diff --git a/media/libstagefright/codecs/amrwbenc/inc/acelp.h b/media/libstagefright/codecs/amrwbenc/inc/acelp.h
index 5a1e536..97555d5 100644
--- a/media/libstagefright/codecs/amrwbenc/inc/acelp.h
+++ b/media/libstagefright/codecs/amrwbenc/inc/acelp.h
@@ -18,7 +18,7 @@
 /*--------------------------------------------------------------------------*
  *                         ACELP.H                                          *
  *--------------------------------------------------------------------------*
- *       Function			 			             *
+ *       Function                                    *
  *--------------------------------------------------------------------------*/
 #ifndef __ACELP_H__
 #define __ACELP_H__
@@ -33,68 +33,68 @@
 Word16 median5(Word16 x[]);
 
 void Autocorr(
-		Word16 x[],                           /* (i)    : Input signal                      */
-		Word16 m,                             /* (i)    : LPC order                         */
-		Word16 r_h[],                         /* (o)    : Autocorrelations  (msb)           */
-		Word16 r_l[]                          /* (o)    : Autocorrelations  (lsb)           */
-	     );
+        Word16 x[],                           /* (i)    : Input signal                      */
+        Word16 m,                             /* (i)    : LPC order                         */
+        Word16 r_h[],                         /* (o)    : Autocorrelations  (msb)           */
+        Word16 r_l[]                          /* (o)    : Autocorrelations  (lsb)           */
+         );
 
 void Lag_window(
-		Word16 r_h[],                         /* (i/o)   : Autocorrelations  (msb)          */
-		Word16 r_l[]                          /* (i/o)   : Autocorrelations  (lsb)          */
-	       );
+        Word16 r_h[],                         /* (i/o)   : Autocorrelations  (msb)          */
+        Word16 r_l[]                          /* (i/o)   : Autocorrelations  (lsb)          */
+           );
 
 void Init_Levinson(
-		Word16 * mem                          /* output  :static memory (18 words) */
-		);
+        Word16 * mem                          /* output  :static memory (18 words) */
+        );
 
 void Levinson(
-		Word16 Rh[],                          /* (i)     : Rh[M+1] Vector of autocorrelations (msb) */
-		Word16 Rl[],                          /* (i)     : Rl[M+1] Vector of autocorrelations (lsb) */
-		Word16 A[],                           /* (o) Q12 : A[M]    LPC coefficients  (m = 16)       */
-		Word16 rc[],                          /* (o) Q15 : rc[M]   Reflection coefficients.         */
-		Word16 * mem                          /* (i/o)   :static memory (18 words)                  */
-	     );
+        Word16 Rh[],                          /* (i)     : Rh[M+1] Vector of autocorrelations (msb) */
+        Word16 Rl[],                          /* (i)     : Rl[M+1] Vector of autocorrelations (lsb) */
+        Word16 A[],                           /* (o) Q12 : A[M]    LPC coefficients  (m = 16)       */
+        Word16 rc[],                          /* (o) Q15 : rc[M]   Reflection coefficients.         */
+        Word16 * mem                          /* (i/o)   :static memory (18 words)                  */
+         );
 
 void Az_isp(
-		Word16 a[],                           /* (i) Q12 : predictor coefficients                 */
-		Word16 isp[],                         /* (o) Q15 : Immittance spectral pairs              */
-		Word16 old_isp[]                      /* (i)     : old isp[] (in case not found M roots)  */
-	   );
+        Word16 a[],                           /* (i) Q12 : predictor coefficients                 */
+        Word16 isp[],                         /* (o) Q15 : Immittance spectral pairs              */
+        Word16 old_isp[]                      /* (i)     : old isp[] (in case not found M roots)  */
+       );
 
 void Isp_Az(
-		Word16 isp[],                         /* (i) Q15 : Immittance spectral pairs            */
-		Word16 a[],                           /* (o) Q12 : predictor coefficients (order = M)   */
-		Word16 m,
-		Word16 adaptive_scaling               /* (i) 0   : adaptive scaling disabled */
-		/*     1   : adaptive scaling enabled  */
-	   );
+        Word16 isp[],                         /* (i) Q15 : Immittance spectral pairs            */
+        Word16 a[],                           /* (o) Q12 : predictor coefficients (order = M)   */
+        Word16 m,
+        Word16 adaptive_scaling               /* (i) 0   : adaptive scaling disabled */
+        /*     1   : adaptive scaling enabled  */
+       );
 
 void Isp_isf(
-		Word16 isp[],                         /* (i) Q15 : isp[m] (range: -1<=val<1)                */
-		Word16 isf[],                         /* (o) Q15 : isf[m] normalized (range: 0.0<=val<=0.5) */
-		Word16 m                              /* (i)     : LPC order                                */
-	    );
+        Word16 isp[],                         /* (i) Q15 : isp[m] (range: -1<=val<1)                */
+        Word16 isf[],                         /* (o) Q15 : isf[m] normalized (range: 0.0<=val<=0.5) */
+        Word16 m                              /* (i)     : LPC order                                */
+        );
 
 void Isf_isp(
-		Word16 isf[],                         /* (i) Q15 : isf[m] normalized (range: 0.0<=val<=0.5) */
-		Word16 isp[],                         /* (o) Q15 : isp[m] (range: -1<=val<1)                */
-		Word16 m                              /* (i)     : LPC order                                */
-	    );
+        Word16 isf[],                         /* (i) Q15 : isf[m] normalized (range: 0.0<=val<=0.5) */
+        Word16 isp[],                         /* (o) Q15 : isp[m] (range: -1<=val<1)                */
+        Word16 m                              /* (i)     : LPC order                                */
+        );
 
 void Int_isp(
-		Word16 isp_old[],                     /* input : isps from past frame              */
-		Word16 isp_new[],                     /* input : isps from present frame           */
-		Word16 frac[],                        /* input : fraction for 3 first subfr (Q15)  */
-		Word16 Az[]                           /* output: LP coefficients in 4 subframes    */
-	    );
+        Word16 isp_old[],                     /* input : isps from past frame              */
+        Word16 isp_new[],                     /* input : isps from present frame           */
+        Word16 frac[],                        /* input : fraction for 3 first subfr (Q15)  */
+        Word16 Az[]                           /* output: LP coefficients in 4 subframes    */
+        );
 
 void Weight_a(
-		Word16 a[],                           /* (i) Q12 : a[m+1]  LPC coefficients             */
-		Word16 ap[],                          /* (o) Q12 : Spectral expanded LPC coefficients   */
-		Word16 gamma,                         /* (i) Q15 : Spectral expansion factor.           */
-		Word16 m                              /* (i)     : LPC order.                           */
-	     );
+        Word16 a[],                           /* (i) Q12 : a[m+1]  LPC coefficients             */
+        Word16 ap[],                          /* (o) Q12 : Spectral expanded LPC coefficients   */
+        Word16 gamma,                         /* (i) Q15 : Spectral expansion factor.           */
+        Word16 m                              /* (i)     : LPC order.                           */
+         );
 
 
 /*-----------------------------------------------------------------*
@@ -102,214 +102,214 @@
  *-----------------------------------------------------------------*/
 
 void Qpisf_2s_46b(
-		Word16 * isf1,                        /* (i) Q15 : ISF in the frequency domain (0..0.5) */
-		Word16 * isf_q,                       /* (o) Q15 : quantized ISF               (0..0.5) */
-		Word16 * past_isfq,                   /* (io)Q15 : past ISF quantizer                   */
-		Word16 * indice,                      /* (o)     : quantization indices                 */
-		Word16 nb_surv                        /* (i)     : number of survivor (1, 2, 3 or 4)    */
-		);
+        Word16 * isf1,                        /* (i) Q15 : ISF in the frequency domain (0..0.5) */
+        Word16 * isf_q,                       /* (o) Q15 : quantized ISF               (0..0.5) */
+        Word16 * past_isfq,                   /* (io)Q15 : past ISF quantizer                   */
+        Word16 * indice,                      /* (o)     : quantization indices                 */
+        Word16 nb_surv                        /* (i)     : number of survivor (1, 2, 3 or 4)    */
+        );
 
 void Qpisf_2s_36b(
-		Word16 * isf1,                        /* (i) Q15 : ISF in the frequency domain (0..0.5) */
-		Word16 * isf_q,                       /* (o) Q15 : quantized ISF               (0..0.5) */
-		Word16 * past_isfq,                   /* (io)Q15 : past ISF quantizer                   */
-		Word16 * indice,                      /* (o)     : quantization indices                 */
-		Word16 nb_surv                        /* (i)     : number of survivor (1, 2, 3 or 4)    */
-		);
+        Word16 * isf1,                        /* (i) Q15 : ISF in the frequency domain (0..0.5) */
+        Word16 * isf_q,                       /* (o) Q15 : quantized ISF               (0..0.5) */
+        Word16 * past_isfq,                   /* (io)Q15 : past ISF quantizer                   */
+        Word16 * indice,                      /* (o)     : quantization indices                 */
+        Word16 nb_surv                        /* (i)     : number of survivor (1, 2, 3 or 4)    */
+        );
 
 void Dpisf_2s_46b(
-		Word16 * indice,                      /* input:  quantization indices                       */
-		Word16 * isf_q,                       /* output: quantized ISF in frequency domain (0..0.5) */
-		Word16 * past_isfq,                   /* i/0   : past ISF quantizer                    */
-		Word16 * isfold,                      /* input : past quantized ISF                    */
-		Word16 * isf_buf,                     /* input : isf buffer                                                        */
-		Word16 bfi,                           /* input : Bad frame indicator                   */
-		Word16 enc_dec
-		);
+        Word16 * indice,                      /* input:  quantization indices                       */
+        Word16 * isf_q,                       /* output: quantized ISF in frequency domain (0..0.5) */
+        Word16 * past_isfq,                   /* i/0   : past ISF quantizer                    */
+        Word16 * isfold,                      /* input : past quantized ISF                    */
+        Word16 * isf_buf,                     /* input : isf buffer                                                        */
+        Word16 bfi,                           /* input : Bad frame indicator                   */
+        Word16 enc_dec
+        );
 
 void Dpisf_2s_36b(
-		Word16 * indice,                      /* input:  quantization indices                       */
-		Word16 * isf_q,                       /* output: quantized ISF in frequency domain (0..0.5) */
-		Word16 * past_isfq,                   /* i/0   : past ISF quantizer                    */
-		Word16 * isfold,                      /* input : past quantized ISF                    */
-		Word16 * isf_buf,                     /* input : isf buffer                                                        */
-		Word16 bfi,                           /* input : Bad frame indicator                   */
-		Word16 enc_dec
-		);
+        Word16 * indice,                      /* input:  quantization indices                       */
+        Word16 * isf_q,                       /* output: quantized ISF in frequency domain (0..0.5) */
+        Word16 * past_isfq,                   /* i/0   : past ISF quantizer                    */
+        Word16 * isfold,                      /* input : past quantized ISF                    */
+        Word16 * isf_buf,                     /* input : isf buffer                                                        */
+        Word16 bfi,                           /* input : Bad frame indicator                   */
+        Word16 enc_dec
+        );
 
 void Qisf_ns(
-		Word16 * isf1,                        /* input : ISF in the frequency domain (0..0.5) */
-		Word16 * isf_q,                       /* output: quantized ISF                        */
-		Word16 * indice                       /* output: quantization indices                 */
-	    );
+        Word16 * isf1,                        /* input : ISF in the frequency domain (0..0.5) */
+        Word16 * isf_q,                       /* output: quantized ISF                        */
+        Word16 * indice                       /* output: quantization indices                 */
+        );
 
 void Disf_ns(
-		Word16 * indice,                      /* input:  quantization indices                  */
-		Word16 * isf_q                        /* input : ISF in the frequency domain (0..0.5)  */
-	    );
+        Word16 * indice,                      /* input:  quantization indices                  */
+        Word16 * isf_q                        /* input : ISF in the frequency domain (0..0.5)  */
+        );
 
 Word16 Sub_VQ(                             /* output: return quantization index     */
-		Word16 * x,                           /* input : ISF residual vector           */
-		Word16 * dico,                        /* input : quantization codebook         */
-		Word16 dim,                           /* input : dimention of vector           */
-		Word16 dico_size,                     /* input : size of quantization codebook */
-		Word32 * distance                     /* output: error of quantization         */
-	     );
+        Word16 * x,                           /* input : ISF residual vector           */
+        Word16 * dico,                        /* input : quantization codebook         */
+        Word16 dim,                           /* input : dimention of vector           */
+        Word16 dico_size,                     /* input : size of quantization codebook */
+        Word32 * distance                     /* output: error of quantization         */
+         );
 
 void Reorder_isf(
-		Word16 * isf,                         /* (i/o) Q15: ISF in the frequency domain (0..0.5) */
-		Word16 min_dist,                      /* (i) Q15  : minimum distance to keep             */
-		Word16 n                              /* (i)      : number of ISF                        */
-		);
+        Word16 * isf,                         /* (i/o) Q15: ISF in the frequency domain (0..0.5) */
+        Word16 min_dist,                      /* (i) Q15  : minimum distance to keep             */
+        Word16 n                              /* (i)      : number of ISF                        */
+        );
 
 /*-----------------------------------------------------------------*
  *                       filter prototypes                         *
  *-----------------------------------------------------------------*/
 
 void Init_Decim_12k8(
-		Word16 mem[]                          /* output: memory (2*NB_COEF_DOWN) set to zeros */
-		);
+        Word16 mem[]                          /* output: memory (2*NB_COEF_DOWN) set to zeros */
+        );
 void Decim_12k8(
-		Word16 sig16k[],                      /* input:  signal to downsampling  */
-		Word16 lg,                            /* input:  length of input         */
-		Word16 sig12k8[],                     /* output: decimated signal        */
-		Word16 mem[]                          /* in/out: memory (2*NB_COEF_DOWN) */
-	       );
+        Word16 sig16k[],                      /* input:  signal to downsampling  */
+        Word16 lg,                            /* input:  length of input         */
+        Word16 sig12k8[],                     /* output: decimated signal        */
+        Word16 mem[]                          /* in/out: memory (2*NB_COEF_DOWN) */
+           );
 
 void Init_HP50_12k8(Word16 mem[]);
 void HP50_12k8(
-		Word16 signal[],                      /* input/output signal */
-		Word16 lg,                            /* lenght of signal    */
-		Word16 mem[]                          /* filter memory [6]   */
-	      );
+        Word16 signal[],                      /* input/output signal */
+        Word16 lg,                            /* lenght of signal    */
+        Word16 mem[]                          /* filter memory [6]   */
+          );
 void Init_HP400_12k8(Word16 mem[]);
 void HP400_12k8(
-		Word16 signal[],                      /* input/output signal */
-		Word16 lg,                            /* lenght of signal    */
-		Word16 mem[]                          /* filter memory [6]   */
-	       );
+        Word16 signal[],                      /* input/output signal */
+        Word16 lg,                            /* lenght of signal    */
+        Word16 mem[]                          /* filter memory [6]   */
+           );
 
 void Init_Filt_6k_7k(Word16 mem[]);
 void Filt_6k_7k(
-		Word16 signal[],                      /* input:  signal                  */
-		Word16 lg,                            /* input:  length of input         */
-		Word16 mem[]                          /* in/out: memory (size=30)        */
-	       );
+        Word16 signal[],                      /* input:  signal                  */
+        Word16 lg,                            /* input:  length of input         */
+        Word16 mem[]                          /* in/out: memory (size=30)        */
+           );
 void Filt_6k_7k_asm(
-		Word16 signal[],                      /* input:  signal                  */
-		Word16 lg,                            /* input:  length of input         */
-		Word16 mem[]                          /* in/out: memory (size=30)        */
-	       );
+        Word16 signal[],                      /* input:  signal                  */
+        Word16 lg,                            /* input:  length of input         */
+        Word16 mem[]                          /* in/out: memory (size=30)        */
+           );
 
 void LP_Decim2(
-		Word16 x[],                           /* in/out: signal to process         */
-		Word16 l,                             /* input : size of filtering         */
-		Word16 mem[]                          /* in/out: memory (size=3)           */
-	      );
+        Word16 x[],                           /* in/out: signal to process         */
+        Word16 l,                             /* input : size of filtering         */
+        Word16 mem[]                          /* in/out: memory (size=3)           */
+          );
 
 void Preemph(
-		Word16 x[],                           /* (i/o)   : input signal overwritten by the output */
-		Word16 mu,                            /* (i) Q15 : preemphasis coefficient                */
-		Word16 lg,                            /* (i)     : lenght of filtering                    */
-		Word16 * mem                          /* (i/o)   : memory (x[-1])                         */
-	    );
+        Word16 x[],                           /* (i/o)   : input signal overwritten by the output */
+        Word16 mu,                            /* (i) Q15 : preemphasis coefficient                */
+        Word16 lg,                            /* (i)     : lenght of filtering                    */
+        Word16 * mem                          /* (i/o)   : memory (x[-1])                         */
+        );
 void Preemph2(
-		Word16 x[],                           /* (i/o)   : input signal overwritten by the output */
-		Word16 mu,                            /* (i) Q15 : preemphasis coefficient                */
-		Word16 lg,                            /* (i)     : lenght of filtering                    */
-		Word16 * mem                          /* (i/o)   : memory (x[-1])                         */
-	     );
+        Word16 x[],                           /* (i/o)   : input signal overwritten by the output */
+        Word16 mu,                            /* (i) Q15 : preemphasis coefficient                */
+        Word16 lg,                            /* (i)     : lenght of filtering                    */
+        Word16 * mem                          /* (i/o)   : memory (x[-1])                         */
+         );
 void Deemph(
-		Word16 x[],                           /* (i/o)   : input signal overwritten by the output */
-		Word16 mu,                            /* (i) Q15 : deemphasis factor                      */
-		Word16 L,                             /* (i)     : vector size                            */
-		Word16 * mem                          /* (i/o)   : memory (y[-1])                         */
-	   );
+        Word16 x[],                           /* (i/o)   : input signal overwritten by the output */
+        Word16 mu,                            /* (i) Q15 : deemphasis factor                      */
+        Word16 L,                             /* (i)     : vector size                            */
+        Word16 * mem                          /* (i/o)   : memory (y[-1])                         */
+       );
 void Deemph2(
-		Word16 x[],                           /* (i/o)   : input signal overwritten by the output */
-		Word16 mu,                            /* (i) Q15 : deemphasis factor                      */
-		Word16 L,                             /* (i)     : vector size                            */
-		Word16 * mem                          /* (i/o)   : memory (y[-1])                         */
-	    );
+        Word16 x[],                           /* (i/o)   : input signal overwritten by the output */
+        Word16 mu,                            /* (i) Q15 : deemphasis factor                      */
+        Word16 L,                             /* (i)     : vector size                            */
+        Word16 * mem                          /* (i/o)   : memory (y[-1])                         */
+        );
 void Deemph_32(
-		Word16 x_hi[],                        /* (i)     : input signal (bit31..16) */
-		Word16 x_lo[],                        /* (i)     : input signal (bit15..4)  */
-		Word16 y[],                           /* (o)     : output signal (x16)      */
-		Word16 mu,                            /* (i) Q15 : deemphasis factor        */
-		Word16 L,                             /* (i)     : vector size              */
-		Word16 * mem                          /* (i/o)   : memory (y[-1])           */
-	      );
+        Word16 x_hi[],                        /* (i)     : input signal (bit31..16) */
+        Word16 x_lo[],                        /* (i)     : input signal (bit15..4)  */
+        Word16 y[],                           /* (o)     : output signal (x16)      */
+        Word16 mu,                            /* (i) Q15 : deemphasis factor        */
+        Word16 L,                             /* (i)     : vector size              */
+        Word16 * mem                          /* (i/o)   : memory (y[-1])           */
+          );
 
 void Deemph_32_asm(
-		Word16 x_hi[],                        /* (i)     : input signal (bit31..16) */
-		Word16 x_lo[],                        /* (i)     : input signal (bit15..4)  */
-		Word16 y[],                           /* (o)     : output signal (x16)      */
-		Word16 * mem                          /* (i/o)   : memory (y[-1])           */
-	      );
+        Word16 x_hi[],                        /* (i)     : input signal (bit31..16) */
+        Word16 x_lo[],                        /* (i)     : input signal (bit15..4)  */
+        Word16 y[],                           /* (o)     : output signal (x16)      */
+        Word16 * mem                          /* (i/o)   : memory (y[-1])           */
+          );
 
 void Convolve(
-		Word16 x[],                           /* (i)     : input vector                              */
-		Word16 h[],                           /* (i) Q15    : impulse response                       */
-		Word16 y[],                           /* (o) 12 bits: output vector                          */
-		Word16 L                              /* (i)     : vector size                               */
-	     );
+        Word16 x[],                           /* (i)     : input vector                              */
+        Word16 h[],                           /* (i) Q15    : impulse response                       */
+        Word16 y[],                           /* (o) 12 bits: output vector                          */
+        Word16 L                              /* (i)     : vector size                               */
+         );
 
 void Convolve_asm(
-		Word16 x[],                           /* (i)     : input vector                              */
-		Word16 h[],                           /* (i) Q15    : impulse response                       */
-		Word16 y[],                           /* (o) 12 bits: output vector                          */
-		Word16 L                              /* (i)     : vector size                               */
-	     );
+        Word16 x[],                           /* (i)     : input vector                              */
+        Word16 h[],                           /* (i) Q15    : impulse response                       */
+        Word16 y[],                           /* (o) 12 bits: output vector                          */
+        Word16 L                              /* (i)     : vector size                               */
+         );
 
 void Residu(
-		Word16 a[],                           /* (i) Q12 : prediction coefficients                     */
-		Word16 x[],                           /* (i)     : speech (values x[-m..-1] are needed         */
-		Word16 y[],                           /* (o)     : residual signal                             */
-		Word16 lg                             /* (i)     : size of filtering                           */
-		);
+        Word16 a[],                           /* (i) Q12 : prediction coefficients                     */
+        Word16 x[],                           /* (i)     : speech (values x[-m..-1] are needed         */
+        Word16 y[],                           /* (o)     : residual signal                             */
+        Word16 lg                             /* (i)     : size of filtering                           */
+        );
 
 void Residu_opt(
-		Word16 a[],                           /* (i) Q12 : prediction coefficients                     */
-		Word16 x[],                           /* (i)     : speech (values x[-m..-1] are needed         */
-		Word16 y[],                           /* (o)     : residual signal                             */
-		Word16 lg                             /* (i)     : size of filtering                           */
-		);
+        Word16 a[],                           /* (i) Q12 : prediction coefficients                     */
+        Word16 x[],                           /* (i)     : speech (values x[-m..-1] are needed         */
+        Word16 y[],                           /* (o)     : residual signal                             */
+        Word16 lg                             /* (i)     : size of filtering                           */
+        );
 
 void Syn_filt(
-	Word16 a[],                           /* (i) Q12 : a[m+1] prediction coefficients           */
-	Word16 x[],                           /* (i)     : input signal                             */
-	Word16 y[],                           /* (o)     : output signal                            */
-	Word16 lg,                            /* (i)     : size of filtering                        */
-	Word16 mem[],                         /* (i/o)   : memory associated with this filtering.   */
-	Word16 update                         /* (i)     : 0=no update, 1=update of memory.         */
-	);
+    Word16 a[],                           /* (i) Q12 : a[m+1] prediction coefficients           */
+    Word16 x[],                           /* (i)     : input signal                             */
+    Word16 y[],                           /* (o)     : output signal                            */
+    Word16 lg,                            /* (i)     : size of filtering                        */
+    Word16 mem[],                         /* (i/o)   : memory associated with this filtering.   */
+    Word16 update                         /* (i)     : 0=no update, 1=update of memory.         */
+    );
 
 void Syn_filt_asm(
-	Word16 a[],                           /* (i) Q12 : a[m+1] prediction coefficients           */
-	Word16 x[],                           /* (i)     : input signal                             */
-	Word16 y[],                           /* (o)     : output signal                            */
-	Word16 mem[]                          /* (i/o)   : memory associated with this filtering.   */
-	);
+    Word16 a[],                           /* (i) Q12 : a[m+1] prediction coefficients           */
+    Word16 x[],                           /* (i)     : input signal                             */
+    Word16 y[],                           /* (o)     : output signal                            */
+    Word16 mem[]                          /* (i/o)   : memory associated with this filtering.   */
+    );
 
 void Syn_filt_32(
-	Word16 a[],                           /* (i) Q12 : a[m+1] prediction coefficients */
-	Word16 m,                             /* (i)     : order of LP filter             */
-	Word16 exc[],                         /* (i) Qnew: excitation (exc[i] >> Qnew)    */
-	Word16 Qnew,                          /* (i)     : exc scaling = 0(min) to 8(max) */
-	Word16 sig_hi[],                      /* (o) /16 : synthesis high                 */
-	Word16 sig_lo[],                      /* (o) /16 : synthesis low                  */
-	Word16 lg                             /* (i)     : size of filtering              */
-	);
+    Word16 a[],                           /* (i) Q12 : a[m+1] prediction coefficients */
+    Word16 m,                             /* (i)     : order of LP filter             */
+    Word16 exc[],                         /* (i) Qnew: excitation (exc[i] >> Qnew)    */
+    Word16 Qnew,                          /* (i)     : exc scaling = 0(min) to 8(max) */
+    Word16 sig_hi[],                      /* (o) /16 : synthesis high                 */
+    Word16 sig_lo[],                      /* (o) /16 : synthesis low                  */
+    Word16 lg                             /* (i)     : size of filtering              */
+    );
 
 void Syn_filt_32_asm(
-	Word16 a[],                           /* (i) Q12 : a[m+1] prediction coefficients */
-	Word16 m,                             /* (i)     : order of LP filter             */
-	Word16 exc[],                         /* (i) Qnew: excitation (exc[i] >> Qnew)    */
-	Word16 Qnew,                          /* (i)     : exc scaling = 0(min) to 8(max) */
-	Word16 sig_hi[],                      /* (o) /16 : synthesis high                 */
-	Word16 sig_lo[],                      /* (o) /16 : synthesis low                  */
-	Word16 lg                             /* (i)     : size of filtering              */
-	);
+    Word16 a[],                           /* (i) Q12 : a[m+1] prediction coefficients */
+    Word16 m,                             /* (i)     : order of LP filter             */
+    Word16 exc[],                         /* (i) Qnew: excitation (exc[i] >> Qnew)    */
+    Word16 Qnew,                          /* (i)     : exc scaling = 0(min) to 8(max) */
+    Word16 sig_hi[],                      /* (o) /16 : synthesis high                 */
+    Word16 sig_lo[],                      /* (o) /16 : synthesis low                  */
+    Word16 lg                             /* (i)     : size of filtering              */
+    );
 /*-----------------------------------------------------------------*
  *                       pitch prototypes                          *
  *-----------------------------------------------------------------*/
@@ -443,12 +443,12 @@
      Word16 nbbits,                        /* (i) : 20, 36, 44, 52, 64, 72 or 88 bits                */
      Word16 ser_size,                      /* (i) : bit rate                                         */
      Word16 _index[]                       /* (o) : index (20): 5+5+5+5 = 20 bits.                   */
-					   /* (o) : index (36): 9+9+9+9 = 36 bits.                   */
-					   /* (o) : index (44): 13+9+13+9 = 44 bits.                 */
-					   /* (o) : index (52): 13+13+13+13 = 52 bits.               */
-					   /* (o) : index (64): 2+2+2+2+14+14+14+14 = 64 bits.       */
-					   /* (o) : index (72): 10+2+10+2+10+14+10+14 = 72 bits.     */
-					   /* (o) : index (88): 11+11+11+11+11+11+11+11 = 88 bits.   */
+                       /* (o) : index (36): 9+9+9+9 = 36 bits.                   */
+                       /* (o) : index (44): 13+9+13+9 = 44 bits.                 */
+                       /* (o) : index (52): 13+13+13+13 = 52 bits.               */
+                       /* (o) : index (64): 2+2+2+2+14+14+14+14 = 64 bits.       */
+                       /* (o) : index (72): 10+2+10+2+10+14+10+14 = 72 bits.     */
+                       /* (o) : index (88): 11+11+11+11+11+11+11+11 = 88 bits.   */
 );
 
 void Pit_shrp(
diff --git a/media/libstagefright/codecs/amrwbenc/inc/basic_op.h b/media/libstagefright/codecs/amrwbenc/inc/basic_op.h
index efa4a96..4021579 100644
--- a/media/libstagefright/codecs/amrwbenc/inc/basic_op.h
+++ b/media/libstagefright/codecs/amrwbenc/inc/basic_op.h
@@ -25,8 +25,8 @@
 #define MAX_32 (Word32)0x7fffffffL
 #define MIN_32 (Word32)0x80000000L
 
-#define MAX_16 (Word16)+32767	/* 0x7fff */
-#define MIN_16 (Word16)-32768	/* 0x8000 */
+#define MAX_16 (Word16)+32767   /* 0x7fff */
+#define MIN_16 (Word16)-32768   /* 0x8000 */
 
 
 #define  static_vo  static __inline
@@ -41,22 +41,22 @@
 #define L_negate(L_var1) (((L_var1) == (MIN_32)) ? (MAX_32) : (-(L_var1)))                 /* Long negate,     2*/
 
 
-#define extract_h(a)			((Word16)(a >> 16))
-#define extract_l(x)            	(Word16)((x))
-#define add1(a,b)			(a + b)
-#define vo_L_msu(a,b,c)			( a - (( b * c ) << 1) )
+#define extract_h(a)            ((Word16)(a >> 16))
+#define extract_l(x)                (Word16)((x))
+#define add1(a,b)           (a + b)
+#define vo_L_msu(a,b,c)         ( a - (( b * c ) << 1) )
 #define vo_mult32(a, b)         ((a) * (b))
-#define vo_mult(a,b)			(( a * b ) >> 15 )
-#define	vo_L_mult(a,b)	    		(((a) * (b)) << 1)
-#define vo_shr_r(var1, var2)   		((var1+((Word16)(1L<<(var2-1))))>>var2)
-#define vo_sub(a,b)			(a - b)
-#define vo_L_deposit_h(a)		((Word32)((a) << 16))
-#define vo_round(a)			((a + 0x00008000) >> 16)
-#define vo_extract_l(a)			((Word16)(a))
-#define vo_L_add(a,b)			(a + b)
-#define vo_L_sub(a,b)			(a - b)
-#define vo_mult_r(a,b)			((( a * b ) + 0x4000 ) >> 15 )
-#define vo_negate(a)		        (-a)
+#define vo_mult(a,b)            (( a * b ) >> 15 )
+#define vo_L_mult(a,b)              (((a) * (b)) << 1)
+#define vo_shr_r(var1, var2)        ((var1+((Word16)(1L<<(var2-1))))>>var2)
+#define vo_sub(a,b)         (a - b)
+#define vo_L_deposit_h(a)       ((Word32)((a) << 16))
+#define vo_round(a)         ((a + 0x00008000) >> 16)
+#define vo_extract_l(a)         ((Word16)(a))
+#define vo_L_add(a,b)           (a + b)
+#define vo_L_sub(a,b)           (a - b)
+#define vo_mult_r(a,b)          ((( a * b ) + 0x4000 ) >> 15 )
+#define vo_negate(a)                (-a)
 #define vo_L_shr_r(L_var1, var2)        ((L_var1+((Word32)(1L<<(var2-1))))>>var2)
 
 
@@ -65,25 +65,25 @@
 |   Prototypes for basic arithmetic operators                               |
 |___________________________________________________________________________|
 */
-static_vo Word16 add (Word16 var1, Word16 var2);				/* Short add,1 */
-static_vo Word16 sub (Word16 var1, Word16 var2);				/* Short sub,1 */
+static_vo Word16 add (Word16 var1, Word16 var2);                /* Short add,1 */
+static_vo Word16 sub (Word16 var1, Word16 var2);                /* Short sub,1 */
 static_vo Word16 shl (Word16 var1, Word16 var2);                                /* Short shift left,    1   */
 static_vo Word16 shr (Word16 var1, Word16 var2);                                /* Short shift right,   1   */
 static_vo Word16 mult (Word16 var1, Word16 var2);                               /* Short mult,          1   */
 static_vo Word32 L_mult (Word16 var1, Word16 var2);                             /* Long mult,           1   */
 static_vo Word16 voround (Word32 L_var1);                                       /* Round,               1   */
-static_vo Word32 L_mac (Word32 L_var3, Word16 var1, Word16 var2);            	/* Mac,  1  */
-static_vo Word32 L_msu (Word32 L_var3, Word16 var1, Word16 var2);   		/* Msu,  1  */
-static_vo Word32 L_add (Word32 L_var1, Word32 L_var2);   		 	/* Long add,        2 */
-static_vo Word32 L_sub (Word32 L_var1, Word32 L_var2);   			/* Long sub,        2 */
-static_vo Word16 mult_r (Word16 var1, Word16 var2);      		 	/* Mult with round, 2 */
-static_vo Word32 L_shl2(Word32 L_var1, Word16 var2);             		/* var2 > 0*/
-static_vo Word32 L_shl (Word32 L_var1, Word16 var2);    	 	 	/* Long shift left, 2 */
-static_vo Word32 L_shr (Word32 L_var1, Word16 var2);    	 	 	/* Long shift right, 2*/
-static_vo Word32 L_shr_r (Word32 L_var1, Word16 var2); 				/* Long shift right with round,  3   */
-static_vo Word16 norm_s (Word16 var1);             				/* Short norm,           15  */
-static_vo Word16 div_s (Word16 var1, Word16 var2); 				/* Short division,       18  */
-static_vo Word16 norm_l (Word32 L_var1);           				/* Long norm,            30  */
+static_vo Word32 L_mac (Word32 L_var3, Word16 var1, Word16 var2);               /* Mac,  1  */
+static_vo Word32 L_msu (Word32 L_var3, Word16 var1, Word16 var2);           /* Msu,  1  */
+static_vo Word32 L_add (Word32 L_var1, Word32 L_var2);              /* Long add,        2 */
+static_vo Word32 L_sub (Word32 L_var1, Word32 L_var2);              /* Long sub,        2 */
+static_vo Word16 mult_r (Word16 var1, Word16 var2);                 /* Mult with round, 2 */
+static_vo Word32 L_shl2(Word32 L_var1, Word16 var2);                    /* var2 > 0*/
+static_vo Word32 L_shl (Word32 L_var1, Word16 var2);                /* Long shift left, 2 */
+static_vo Word32 L_shr (Word32 L_var1, Word16 var2);                /* Long shift right, 2*/
+static_vo Word32 L_shr_r (Word32 L_var1, Word16 var2);              /* Long shift right with round,  3   */
+static_vo Word16 norm_s (Word16 var1);                          /* Short norm,           15  */
+static_vo Word16 div_s (Word16 var1, Word16 var2);              /* Short division,       18  */
+static_vo Word16 norm_l (Word32 L_var1);                        /* Long norm,            30  */
 
 /*___________________________________________________________________________
 |                                                                           |
@@ -125,11 +125,11 @@
 */
 static_vo Word16 add (Word16 var1, Word16 var2)
 {
-	Word16 var_out;
-	Word32 L_sum;
-	L_sum = (Word32) var1 + var2;
-	var_out = saturate (L_sum);
-	return (var_out);
+    Word16 var_out;
+    Word32 L_sum;
+    L_sum = (Word32) var1 + var2;
+    var_out = saturate (L_sum);
+    return (var_out);
 }
 
 /*___________________________________________________________________________
@@ -168,11 +168,11 @@
 
 static_vo Word16 sub (Word16 var1, Word16 var2)
 {
-	Word16 var_out;
-	Word32 L_diff;
-	L_diff = (Word32) var1 - var2;
-	var_out = saturate (L_diff);
-	return (var_out);
+    Word16 var_out;
+    Word32 L_diff;
+    L_diff = (Word32) var1 - var2;
+    var_out = saturate (L_diff);
+    return (var_out);
 }
 
 /*___________________________________________________________________________
@@ -212,27 +212,27 @@
 
 static_vo Word16 shl (Word16 var1, Word16 var2)
 {
-	Word16 var_out;
-	Word32 result;
-	if (var2 < 0)
-	{
-		if (var2 < -16)
-			var2 = -16;
-		var_out = var1 >> ((Word16)-var2);
-	}
-	else
-	{
-		result = (Word32) var1 *((Word32) 1 << var2);
-		if ((var2 > 15 && var1 != 0) || (result != (Word32) ((Word16) result)))
-		{
-			var_out = (Word16)((var1 > 0) ? MAX_16 : MIN_16);
-		}
-		else
-		{
-			var_out = extract_l (result);
-		}
-	}
-	return (var_out);
+    Word16 var_out;
+    Word32 result;
+    if (var2 < 0)
+    {
+        if (var2 < -16)
+            var2 = -16;
+        var_out = var1 >> ((Word16)-var2);
+    }
+    else
+    {
+        result = (Word32) var1 *((Word32) 1 << var2);
+        if ((var2 > 15 && var1 != 0) || (result != (Word32) ((Word16) result)))
+        {
+            var_out = (Word16)((var1 > 0) ? MAX_16 : MIN_16);
+        }
+        else
+        {
+            var_out = extract_l (result);
+        }
+    }
+    return (var_out);
 }
 
 /*___________________________________________________________________________
@@ -272,32 +272,32 @@
 
 static_vo Word16 shr (Word16 var1, Word16 var2)
 {
-	Word16 var_out;
-	if (var2 < 0)
-	{
-		if (var2 < -16)
-			var2 = -16;
-		var_out = shl(var1, (Word16)-var2);
-	}
-	else
-	{
-		if (var2 >= 15)
-		{
-			var_out = (Word16)((var1 < 0) ? -1 : 0);
-		}
-		else
-		{
-			if (var1 < 0)
-			{
-				var_out = (Word16)(~((~var1) >> var2));
-			}
-			else
-			{
-				var_out = (Word16)(var1 >> var2);
-			}
-		}
-	}
-	return (var_out);
+    Word16 var_out;
+    if (var2 < 0)
+    {
+        if (var2 < -16)
+            var2 = -16;
+        var_out = shl(var1, (Word16)-var2);
+    }
+    else
+    {
+        if (var2 >= 15)
+        {
+            var_out = (Word16)((var1 < 0) ? -1 : 0);
+        }
+        else
+        {
+            if (var1 < 0)
+            {
+                var_out = (Word16)(~((~var1) >> var2));
+            }
+            else
+            {
+                var_out = (Word16)(var1 >> var2);
+            }
+        }
+    }
+    return (var_out);
 }
 
 /*___________________________________________________________________________
@@ -337,14 +337,14 @@
 
 static_vo Word16 mult (Word16 var1, Word16 var2)
 {
-	Word16 var_out;
-	Word32 L_product;
-	L_product = (Word32) var1 *(Word32) var2;
-	L_product = (L_product & (Word32) 0xffff8000L) >> 15;
-	if (L_product & (Word32) 0x00010000L)
-		L_product = L_product | (Word32) 0xffff0000L;
-	var_out = saturate (L_product);
-	return (var_out);
+    Word16 var_out;
+    Word32 L_product;
+    L_product = (Word32) var1 *(Word32) var2;
+    L_product = (L_product & (Word32) 0xffff8000L) >> 15;
+    if (L_product & (Word32) 0x00010000L)
+        L_product = L_product | (Word32) 0xffff0000L;
+    var_out = saturate (L_product);
+    return (var_out);
 }
 
 /*___________________________________________________________________________
@@ -384,17 +384,17 @@
 
 static_vo Word32 L_mult (Word16 var1, Word16 var2)
 {
-	Word32 L_var_out;
-	L_var_out = (Word32) var1 *(Word32) var2;
-	if (L_var_out != (Word32) 0x40000000L)
-	{
-		L_var_out *= 2;
-	}
-	else
-	{
-		L_var_out = MAX_32;
-	}
-	return (L_var_out);
+    Word32 L_var_out;
+    L_var_out = (Word32) var1 *(Word32) var2;
+    if (L_var_out != (Word32) 0x40000000L)
+    {
+        L_var_out *= 2;
+    }
+    else
+    {
+        L_var_out = MAX_32;
+    }
+    return (L_var_out);
 }
 
 /*___________________________________________________________________________
@@ -430,11 +430,11 @@
 
 static_vo Word16 voround (Word32 L_var1)
 {
-	Word16 var_out;
-	Word32 L_rounded;
-	L_rounded = L_add (L_var1, (Word32) 0x00008000L);
-	var_out = extract_h (L_rounded);
-	return (var_out);
+    Word16 var_out;
+    Word32 L_rounded;
+    L_rounded = L_add (L_var1, (Word32) 0x00008000L);
+    var_out = extract_h (L_rounded);
+    return (var_out);
 }
 
 /*___________________________________________________________________________
@@ -476,11 +476,11 @@
 
 static_vo Word32 L_mac (Word32 L_var3, Word16 var1, Word16 var2)
 {
-	Word32 L_var_out;
-	Word32 L_product;
-	L_product = ((var1 * var2) << 1);
-	L_var_out = L_add (L_var3, L_product);
-	return (L_var_out);
+    Word32 L_var_out;
+    Word32 L_product;
+    L_product = ((var1 * var2) << 1);
+    L_var_out = L_add (L_var3, L_product);
+    return (L_var_out);
 }
 
 /*___________________________________________________________________________
@@ -522,11 +522,11 @@
 
 static_vo Word32 L_msu (Word32 L_var3, Word16 var1, Word16 var2)
 {
-	Word32 L_var_out;
-	Word32 L_product;
-	L_product = (var1 * var2)<<1;
-	L_var_out = L_sub (L_var3, L_product);
-	return (L_var_out);
+    Word32 L_var_out;
+    Word32 L_product;
+    L_product = (var1 * var2)<<1;
+    L_var_out = L_sub (L_var3, L_product);
+    return (L_var_out);
 }
 
 /*___________________________________________________________________________
@@ -564,16 +564,16 @@
 __attribute__((no_sanitize("integer")))
 static_vo Word32 L_add (Word32 L_var1, Word32 L_var2)
 {
-	Word32 L_var_out;
-	L_var_out = L_var1 + L_var2;
-	if (((L_var1 ^ L_var2) & MIN_32) == 0)
-	{
-		if ((L_var_out ^ L_var1) & MIN_32)
-		{
-			L_var_out = (L_var1 < 0) ? MIN_32 : MAX_32;
-		}
-	}
-	return (L_var_out);
+    Word32 L_var_out;
+    L_var_out = L_var1 + L_var2;
+    if (((L_var1 ^ L_var2) & MIN_32) == 0)
+    {
+        if ((L_var_out ^ L_var1) & MIN_32)
+        {
+            L_var_out = (L_var1 < 0) ? MIN_32 : MAX_32;
+        }
+    }
+    return (L_var_out);
 }
 
 /*___________________________________________________________________________
@@ -610,16 +610,16 @@
 
 static_vo Word32 L_sub (Word32 L_var1, Word32 L_var2)
 {
-	Word32 L_var_out;
-	L_var_out = L_var1 - L_var2;
-	if (((L_var1 ^ L_var2) & MIN_32) != 0)
-	{
-		if ((L_var_out ^ L_var1) & MIN_32)
-		{
-			L_var_out = (L_var1 < 0L) ? MIN_32 : MAX_32;
-		}
-	}
-	return (L_var_out);
+    Word32 L_var_out;
+    L_var_out = L_var1 - L_var2;
+    if (((L_var1 ^ L_var2) & MIN_32) != 0)
+    {
+        if ((L_var_out ^ L_var1) & MIN_32)
+        {
+            L_var_out = (L_var1 < 0L) ? MIN_32 : MAX_32;
+        }
+    }
+    return (L_var_out);
 }
 
 
@@ -659,18 +659,18 @@
 
 static_vo Word16 mult_r (Word16 var1, Word16 var2)
 {
-	Word16 var_out;
-	Word32 L_product_arr;
-	L_product_arr = (Word32) var1 *(Word32) var2;       /* product */
-	L_product_arr += (Word32) 0x00004000L;      /* round */
-	L_product_arr &= (Word32) 0xffff8000L;
-	L_product_arr >>= 15;       /* shift */
-	if (L_product_arr & (Word32) 0x00010000L)   /* sign extend when necessary */
-	{
-		L_product_arr |= (Word32) 0xffff0000L;
-	}
-	var_out = saturate (L_product_arr);
-	return (var_out);
+    Word16 var_out;
+    Word32 L_product_arr;
+    L_product_arr = (Word32) var1 *(Word32) var2;       /* product */
+    L_product_arr += (Word32) 0x00004000L;      /* round */
+    L_product_arr &= (Word32) 0xffff8000L;
+    L_product_arr >>= 15;       /* shift */
+    if (L_product_arr & (Word32) 0x00010000L)   /* sign extend when necessary */
+    {
+        L_product_arr |= (Word32) 0xffff0000L;
+    }
+    var_out = saturate (L_product_arr);
+    return (var_out);
 }
 
 /*___________________________________________________________________________
@@ -709,61 +709,61 @@
 
 static_vo Word32 L_shl (Word32 L_var1, Word16 var2)
 {
-	Word32 L_var_out = 0L;
-	if (var2 <= 0)
-	{
-		if (var2 < -32)
-			var2 = -32;
-		L_var_out = (L_var1 >> (Word16)-var2);
-	}
-	else
-	{
-		for (; var2 > 0; var2--)
-		{
-			if (L_var1 > (Word32) 0X3fffffffL)
-			{
-				L_var_out = MAX_32;
-				break;
-			}
-			else
-			{
-				if (L_var1 < (Word32) 0xc0000000L)
-				{
-					//Overflow = 1;
-					L_var_out = MIN_32;
-					break;
-				}
-			}
-			L_var1 *= 2;
-			L_var_out = L_var1;
-		}
-	}
-	return (L_var_out);
+    Word32 L_var_out = 0L;
+    if (var2 <= 0)
+    {
+        if (var2 < -32)
+            var2 = -32;
+        L_var_out = (L_var1 >> (Word16)-var2);
+    }
+    else
+    {
+        for (; var2 > 0; var2--)
+        {
+            if (L_var1 > (Word32) 0X3fffffffL)
+            {
+                L_var_out = MAX_32;
+                break;
+            }
+            else
+            {
+                if (L_var1 < (Word32) 0xc0000000L)
+                {
+                    //Overflow = 1;
+                    L_var_out = MIN_32;
+                    break;
+                }
+            }
+            L_var1 *= 2;
+            L_var_out = L_var1;
+        }
+    }
+    return (L_var_out);
 }
 
 static_vo Word32 L_shl2(Word32 L_var1, Word16 var2)
 {
-	Word32 L_var_out = 0L;
+    Word32 L_var_out = 0L;
 
-	for (; var2 > 0; var2--)
-	{
-		if (L_var1 > (Word32) 0X3fffffffL)
-		{
-			L_var_out = MAX_32;
-			break;
-		}
-		else
-		{
-			if (L_var1 < (Word32) 0xc0000000L)
-			{
-				L_var_out = MIN_32;
-				break;
-			}
-		}
-		L_var1 <<=1 ;
-		L_var_out = L_var1;
-	}
-	return (L_var_out);
+    for (; var2 > 0; var2--)
+    {
+        if (L_var1 > (Word32) 0X3fffffffL)
+        {
+            L_var_out = MAX_32;
+            break;
+        }
+        else
+        {
+            if (L_var1 < (Word32) 0xc0000000L)
+            {
+                L_var_out = MIN_32;
+                break;
+            }
+        }
+        L_var1 <<=1 ;
+        L_var_out = L_var1;
+    }
+    return (L_var_out);
 }
 
 /*___________________________________________________________________________
@@ -802,32 +802,32 @@
 
 static_vo Word32 L_shr (Word32 L_var1, Word16 var2)
 {
-	Word32 L_var_out;
-	if (var2 < 0)
-	{
-		if (var2 < -32)
-			var2 = -32;
-		L_var_out = L_shl2(L_var1, (Word16)-var2);
-	}
-	else
-	{
-		if (var2 >= 31)
-		{
-			L_var_out = (L_var1 < 0L) ? -1 : 0;
-		}
-		else
-		{
-			if (L_var1 < 0)
-			{
-				L_var_out = ~((~L_var1) >> var2);
-			}
-			else
-			{
-				L_var_out = L_var1 >> var2;
-			}
-		}
-	}
-	return (L_var_out);
+    Word32 L_var_out;
+    if (var2 < 0)
+    {
+        if (var2 < -32)
+            var2 = -32;
+        L_var_out = L_shl2(L_var1, (Word16)-var2);
+    }
+    else
+    {
+        if (var2 >= 31)
+        {
+            L_var_out = (L_var1 < 0L) ? -1 : 0;
+        }
+        else
+        {
+            if (L_var1 < 0)
+            {
+                L_var_out = ~((~L_var1) >> var2);
+            }
+            else
+            {
+                L_var_out = L_var1 >> var2;
+            }
+        }
+    }
+    return (L_var_out);
 }
 
 /*___________________________________________________________________________
@@ -874,23 +874,23 @@
 
 static_vo Word32 L_shr_r (Word32 L_var1, Word16 var2)
 {
-	Word32 L_var_out;
-	if (var2 > 31)
-	{
-		L_var_out = 0;
-	}
-	else
-	{
-		L_var_out = L_shr (L_var1, var2);
-		if (var2 > 0)
-		{
-			if ((L_var1 & ((Word32) 1 << (var2 - 1))) != 0)
-			{
-				L_var_out++;
-			}
-		}
-	}
-	return (L_var_out);
+    Word32 L_var_out;
+    if (var2 > 31)
+    {
+        L_var_out = 0;
+    }
+    else
+    {
+        L_var_out = L_shr (L_var1, var2);
+        if (var2 > 0)
+        {
+            if ((L_var1 & ((Word32) 1 << (var2 - 1))) != 0)
+            {
+                L_var_out++;
+            }
+        }
+    }
+    return (L_var_out);
 }
 
 /*___________________________________________________________________________
@@ -928,30 +928,30 @@
 
 static_vo Word16 norm_s (Word16 var1)
 {
-	Word16 var_out = 0;
-	if (var1 == 0)
-	{
-		var_out = 0;
-	}
-	else
-	{
-		if (var1 == -1)
-		{
-			var_out = 15;
-		}
-		else
-		{
-			if (var1 < 0)
-			{
-				var1 = (Word16)~var1;
-			}
-			for (var_out = 0; var1 < 0x4000; var_out++)
-			{
-				var1 <<= 1;
-			}
-		}
-	}
-	return (var_out);
+    Word16 var_out = 0;
+    if (var1 == 0)
+    {
+        var_out = 0;
+    }
+    else
+    {
+        if (var1 == -1)
+        {
+            var_out = 15;
+        }
+        else
+        {
+            if (var1 < 0)
+            {
+                var1 = (Word16)~var1;
+            }
+            for (var_out = 0; var1 < 0x4000; var_out++)
+            {
+                var1 <<= 1;
+            }
+        }
+    }
+    return (var_out);
 }
 
 /*___________________________________________________________________________
@@ -993,47 +993,47 @@
 
 static_vo Word16 div_s (Word16 var1, Word16 var2)
 {
-	Word16 var_out = 0;
-	Word16 iteration;
-	Word32 L_num;
-	Word32 L_denom;
-	if ((var1 < 0) || (var2 < 0))
-	{
-		var_out = MAX_16;
-		return var_out;
-	}
-	if (var2 == 0)
-	{
-		var_out = MAX_16;
-		return var_out;
-	}
-	if (var1 == 0)
-	{
-		var_out = 0;
-	}
-	else
-	{
-		if (var1 == var2)
-		{
-			var_out = MAX_16;
-		}
-		else
-		{
-			L_num = L_deposit_l (var1);
-			L_denom = L_deposit_l(var2);
-			for (iteration = 0; iteration < 15; iteration++)
-			{
-				var_out <<= 1;
-				L_num <<= 1;
-				if (L_num >= L_denom)
-				{
-					L_num -= L_denom;
-					var_out += 1;
-				}
-			}
-		}
-	}
-	return (var_out);
+    Word16 var_out = 0;
+    Word16 iteration;
+    Word32 L_num;
+    Word32 L_denom;
+    if ((var1 < 0) || (var2 < 0))
+    {
+        var_out = MAX_16;
+        return var_out;
+    }
+    if (var2 == 0)
+    {
+        var_out = MAX_16;
+        return var_out;
+    }
+    if (var1 == 0)
+    {
+        var_out = 0;
+    }
+    else
+    {
+        if (var1 == var2)
+        {
+            var_out = MAX_16;
+        }
+        else
+        {
+            L_num = L_deposit_l (var1);
+            L_denom = L_deposit_l(var2);
+            for (iteration = 0; iteration < 15; iteration++)
+            {
+                var_out <<= 1;
+                L_num <<= 1;
+                if (L_num >= L_denom)
+                {
+                    L_num -= L_denom;
+                    var_out += 1;
+                }
+            }
+        }
+    }
+    return (var_out);
 }
 
 /*___________________________________________________________________________
@@ -1071,20 +1071,20 @@
 
 static_vo Word16 norm_l (Word32 L_var1)
 {
-	Word16 var_out = 0;
-	if (L_var1 != 0)
-	{
-		var_out = 31;
-		if (L_var1 != (Word32) 0xffffffffL)
-		{
-			L_var1 ^= (L_var1 >>31);
-			for (var_out = 0; L_var1 < (Word32) 0x40000000L; var_out++)
-			{
-				L_var1 <<= 1;
-			}
-		}
-	}
-	return (var_out);
+    Word16 var_out = 0;
+    if (L_var1 != 0)
+    {
+        var_out = 31;
+        if (L_var1 != (Word32) 0xffffffffL)
+        {
+            L_var1 ^= (L_var1 >>31);
+            for (var_out = 0; L_var1 < (Word32) 0x40000000L; var_out++)
+            {
+                L_var1 <<= 1;
+            }
+        }
+    }
+    return (var_out);
 }
 
 #endif //__BASIC_OP_H__
diff --git a/media/libstagefright/codecs/amrwbenc/inc/bits.h b/media/libstagefright/codecs/amrwbenc/inc/bits.h
index e880684..ff9c0c1 100644
--- a/media/libstagefright/codecs/amrwbenc/inc/bits.h
+++ b/media/libstagefright/codecs/amrwbenc/inc/bits.h
@@ -18,7 +18,7 @@
 /*--------------------------------------------------------------------------*
 *                         BITS.H                                           *
 *--------------------------------------------------------------------------*
-*       Number of bits for different modes			           *
+*       Number of bits for different modes                     *
 *--------------------------------------------------------------------------*/
 
 #ifndef __BITS_H__
@@ -52,16 +52,16 @@
 #define RX_FRAME_TYPE (Word16)0x6b20
 
 static const Word16 nb_of_bits[NUM_OF_MODES] = {
-	NBBITS_7k,
-	NBBITS_9k,
-	NBBITS_12k,
-	NBBITS_14k,
-	NBBITS_16k,
-	NBBITS_18k,
-	NBBITS_20k,
-	NBBITS_23k,
-	NBBITS_24k,
-	NBBITS_SID
+    NBBITS_7k,
+    NBBITS_9k,
+    NBBITS_12k,
+    NBBITS_14k,
+    NBBITS_16k,
+    NBBITS_18k,
+    NBBITS_20k,
+    NBBITS_23k,
+    NBBITS_24k,
+    NBBITS_SID
 };
 
 /*typedef struct
@@ -74,18 +74,18 @@
 
 //typedef struct
 //{
-//	Word16 prev_ft;
-//	Word16 prev_mode;
+//  Word16 prev_ft;
+//  Word16 prev_mode;
 //} RX_State;
 
 int PackBits(Word16 prms[], Word16 coding_mode, Word16 mode, Coder_State *st);
 
 
 void Parm_serial(
-		Word16 value,                         /* input : parameter value */
-		Word16 no_of_bits,                    /* input : number of bits  */
-		Word16 ** prms
-		);
+        Word16 value,                         /* input : parameter value */
+        Word16 no_of_bits,                    /* input : number of bits  */
+        Word16 ** prms
+        );
 
 
 #endif  //__BITS_H__
diff --git a/media/libstagefright/codecs/amrwbenc/inc/cod_main.h b/media/libstagefright/codecs/amrwbenc/inc/cod_main.h
index 53ca55e..170981e 100644
--- a/media/libstagefright/codecs/amrwbenc/inc/cod_main.h
+++ b/media/libstagefright/codecs/amrwbenc/inc/cod_main.h
@@ -18,7 +18,7 @@
 /*--------------------------------------------------------------------------*
  *                         COD_MAIN.H                                       *
  *--------------------------------------------------------------------------*
- *       Static memory in the encoder				            *
+ *       Static memory in the encoder                           *
  *--------------------------------------------------------------------------*/
 #ifndef __COD_MAIN_H__
 #define __COD_MAIN_H__
@@ -79,21 +79,21 @@
     Word16 vad_hist;
     Word16 gain_alpha;
     /*  TX_State structure  */
-	Word16 sid_update_counter;
+    Word16 sid_update_counter;
     Word16 sid_handover_debt;
     Word16 prev_ft;
-	Word16 allow_dtx;
-	/*some input/output buffer parameters */
-	unsigned char       *inputStream;
-	int			        inputSize;
-	VOAMRWBMODE  		mode;
-	VOAMRWBFRAMETYPE	frameType;
-	unsigned short      *outputStream;
-	int			        outputSize;
-	FrameStream         *stream;
-	VO_MEM_OPERATOR     *pvoMemop;
-	VO_MEM_OPERATOR     voMemoprator;
-	VO_PTR              hCheck;
+    Word16 allow_dtx;
+    /*some input/output buffer parameters */
+    unsigned char       *inputStream;
+    int                 inputSize;
+    VOAMRWBMODE         mode;
+    VOAMRWBFRAMETYPE    frameType;
+    unsigned short      *outputStream;
+    int                 outputSize;
+    FrameStream         *stream;
+    VO_MEM_OPERATOR     *pvoMemop;
+    VO_MEM_OPERATOR     voMemoprator;
+    VO_PTR              hCheck;
 } Coder_State;
 
 typedef void* HAMRENC;
diff --git a/media/libstagefright/codecs/amrwbenc/inc/dtx.h b/media/libstagefright/codecs/amrwbenc/inc/dtx.h
index 0bdda67..82a9bf4 100644
--- a/media/libstagefright/codecs/amrwbenc/inc/dtx.h
+++ b/media/libstagefright/codecs/amrwbenc/inc/dtx.h
@@ -16,9 +16,9 @@
 
 
 /*--------------------------------------------------------------------------*
- *                         DTX.H					    *
+ *                         DTX.H                        *
  *--------------------------------------------------------------------------*
- *       Static memory, constants and frametypes for the DTX 		    *
+ *       Static memory, constants and frametypes for the DTX            *
  *--------------------------------------------------------------------------*/
 
 #ifndef __DTX_H__
diff --git a/media/libstagefright/codecs/amrwbenc/inc/log2.h b/media/libstagefright/codecs/amrwbenc/inc/log2.h
index b065eb4..3d9a6c4 100644
--- a/media/libstagefright/codecs/amrwbenc/inc/log2.h
+++ b/media/libstagefright/codecs/amrwbenc/inc/log2.h
@@ -45,17 +45,17 @@
 ********************************************************************************
 */
 void Log2 (
-		Word32 L_x,        /* (i) : input value                                 */
-		Word16 *exponent,  /* (o) : Integer part of Log2.   (range: 0<=val<=30) */
-		Word16 *fraction   /* (o) : Fractional part of Log2. (range: 0<=val<1)*/
-	  );
+        Word32 L_x,        /* (i) : input value                                 */
+        Word16 *exponent,  /* (o) : Integer part of Log2.   (range: 0<=val<=30) */
+        Word16 *fraction   /* (o) : Fractional part of Log2. (range: 0<=val<1)*/
+      );
 
 void Log2_norm (
-		Word32 L_x,         /* (i) : input value (normalized)                    */
-		Word16 exp,         /* (i) : norm_l (L_x)                                */
-		Word16 *exponent,   /* (o) : Integer part of Log2.   (range: 0<=val<=30) */
-		Word16 *fraction    /* (o) : Fractional part of Log2. (range: 0<=val<1)  */
-	       );
+        Word32 L_x,         /* (i) : input value (normalized)                    */
+        Word16 exp,         /* (i) : norm_l (L_x)                                */
+        Word16 *exponent,   /* (o) : Integer part of Log2.   (range: 0<=val<=30) */
+        Word16 *fraction    /* (o) : Fractional part of Log2. (range: 0<=val<1)  */
+           );
 
 #endif  //__LOG2_H__
 
diff --git a/media/libstagefright/codecs/amrwbenc/inc/main.h b/media/libstagefright/codecs/amrwbenc/inc/main.h
index 3a6f963..adef2df 100644
--- a/media/libstagefright/codecs/amrwbenc/inc/main.h
+++ b/media/libstagefright/codecs/amrwbenc/inc/main.h
@@ -17,9 +17,9 @@
 
 
 /*--------------------------------------------------------------------------*
- *                         MAIN.H	                                    *
+ *                         MAIN.H                                       *
  *--------------------------------------------------------------------------*
- *       Main functions							    *
+ *       Main functions                             *
  *--------------------------------------------------------------------------*/
 
 #ifndef __MAIN_H__
diff --git a/media/libstagefright/codecs/amrwbenc/inc/math_op.h b/media/libstagefright/codecs/amrwbenc/inc/math_op.h
index 7b6196b..c3c00bc 100644
--- a/media/libstagefright/codecs/amrwbenc/inc/math_op.h
+++ b/media/libstagefright/codecs/amrwbenc/inc/math_op.h
@@ -16,40 +16,40 @@
 
 
 /*--------------------------------------------------------------------------*
- *                         MATH_OP.H	                                    *
+ *                         MATH_OP.H                                        *
  *--------------------------------------------------------------------------*
- *       Mathematical operations					    *
+ *       Mathematical operations                        *
  *--------------------------------------------------------------------------*/
 
 #ifndef __MATH_OP_H__
 #define __MATH_OP_H__
 
 Word32 Isqrt(                              /* (o) Q31 : output value (range: 0<=val<1)         */
-		Word32 L_x                            /* (i) Q0  : input value  (range: 0<=val<=7fffffff) */
-	    );
+        Word32 L_x                            /* (i) Q0  : input value  (range: 0<=val<=7fffffff) */
+        );
 
 void Isqrt_n(
-		Word32 * frac,                        /* (i/o) Q31: normalized value (1.0 < frac <= 0.5) */
-		Word16 * exp                          /* (i/o)    : exponent (value = frac x 2^exponent) */
-	    );
+        Word32 * frac,                        /* (i/o) Q31: normalized value (1.0 < frac <= 0.5) */
+        Word16 * exp                          /* (i/o)    : exponent (value = frac x 2^exponent) */
+        );
 
 Word32 Pow2(                               /* (o) Q0  : result       (range: 0<=val<=0x7fffffff) */
-		Word16 exponant,                      /* (i) Q0  : Integer part.      (range: 0<=val<=30)   */
-		Word16 fraction                       /* (i) Q15 : Fractionnal part.  (range: 0.0<=val<1.0) */
-	   );
+        Word16 exponant,                      /* (i) Q0  : Integer part.      (range: 0<=val<=30)   */
+        Word16 fraction                       /* (i) Q15 : Fractionnal part.  (range: 0.0<=val<1.0) */
+       );
 
 Word32 Dot_product12(                      /* (o) Q31: normalized result (1 < val <= -1) */
-		Word16 x[],                           /* (i) 12bits: x vector                       */
-		Word16 y[],                           /* (i) 12bits: y vector                       */
-		Word16 lg,                            /* (i)    : vector length                     */
-		Word16 * exp                          /* (o)    : exponent of result (0..+30)       */
-		);
+        Word16 x[],                           /* (i) 12bits: x vector                       */
+        Word16 y[],                           /* (i) 12bits: y vector                       */
+        Word16 lg,                            /* (i)    : vector length                     */
+        Word16 * exp                          /* (o)    : exponent of result (0..+30)       */
+        );
 
 Word32 Dot_product12_asm(                      /* (o) Q31: normalized result (1 < val <= -1) */
-		Word16 x[],                           /* (i) 12bits: x vector                       */
-		Word16 y[],                           /* (i) 12bits: y vector                       */
-		Word16 lg,                            /* (i)    : vector length                     */
-		Word16 * exp                          /* (o)    : exponent of result (0..+30)       */
-		);
+        Word16 x[],                           /* (i) 12bits: x vector                       */
+        Word16 y[],                           /* (i) 12bits: y vector                       */
+        Word16 lg,                            /* (i)    : vector length                     */
+        Word16 * exp                          /* (o)    : exponent of result (0..+30)       */
+        );
 #endif //__MATH_OP_H__
 
diff --git a/media/libstagefright/codecs/amrwbenc/inc/mem_align.h b/media/libstagefright/codecs/amrwbenc/inc/mem_align.h
index 442786a..2ae5a6c 100644
--- a/media/libstagefright/codecs/amrwbenc/inc/mem_align.h
+++ b/media/libstagefright/codecs/amrwbenc/inc/mem_align.h
@@ -14,9 +14,9 @@
  ** limitations under the License.
  */
 /*******************************************************************************
-	File:		mem_align.h
+    File:       mem_align.h
 
-	Content:	Memory alloc alignments functions
+    Content:    Memory alloc alignments functions
 
 *******************************************************************************/
 
@@ -29,7 +29,7 @@
 extern void *mem_malloc(VO_MEM_OPERATOR *pMemop, unsigned int size, unsigned char alignment, unsigned int CodecID);
 extern void mem_free(VO_MEM_OPERATOR *pMemop, void *mem_ptr, unsigned int CodecID);
 
-#endif	/* __VO_MEM_ALIGN_H__ */
+#endif  /* __VO_MEM_ALIGN_H__ */
 
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/inc/p_med_o.h b/media/libstagefright/codecs/amrwbenc/inc/p_med_o.h
index 4a13f16..77487ed 100644
--- a/media/libstagefright/codecs/amrwbenc/inc/p_med_o.h
+++ b/media/libstagefright/codecs/amrwbenc/inc/p_med_o.h
@@ -17,36 +17,36 @@
 /*--------------------------------------------------------------------------*
  *                         P_MED_O.H                                        *
  *--------------------------------------------------------------------------*
- *       Median open-loop lag search				            *
+ *       Median open-loop lag search                            *
  *--------------------------------------------------------------------------*/
 
 #ifndef __P_MED_O_H__
 #define __P_MED_O_H__
 
 Word16 Pitch_med_ol(                       /* output: open loop pitch lag                        */
-		Word16 wsp[],                         /* input : signal used to compute the open loop pitch */
-		/* wsp[-pit_max] to wsp[-1] should be known   */
-		Word16 L_min,                         /* input : minimum pitch lag                          */
-		Word16 L_max,                         /* input : maximum pitch lag                          */
-		Word16 L_frame,                       /* input : length of frame to compute pitch           */
-		Word16 L_0,                           /* input : old_ open-loop pitch                       */
-		Word16 * gain,                        /* output: normalize correlation of hp_wsp for the Lag */
-		Word16 * hp_wsp_mem,                  /* i:o   : memory of the hypass filter for hp_wsp[] (lg=9)   */
-		Word16 * old_hp_wsp,                  /* i:o   : hypass wsp[]                               */
-		Word16 wght_flg                       /* input : is weighting function used                 */
-		);
+        Word16 wsp[],                         /* input : signal used to compute the open loop pitch */
+        /* wsp[-pit_max] to wsp[-1] should be known   */
+        Word16 L_min,                         /* input : minimum pitch lag                          */
+        Word16 L_max,                         /* input : maximum pitch lag                          */
+        Word16 L_frame,                       /* input : length of frame to compute pitch           */
+        Word16 L_0,                           /* input : old_ open-loop pitch                       */
+        Word16 * gain,                        /* output: normalize correlation of hp_wsp for the Lag */
+        Word16 * hp_wsp_mem,                  /* i:o   : memory of the hypass filter for hp_wsp[] (lg=9)   */
+        Word16 * old_hp_wsp,                  /* i:o   : hypass wsp[]                               */
+        Word16 wght_flg                       /* input : is weighting function used                 */
+        );
 
 Word16 Med_olag(                           /* output : median of  5 previous open-loop lags       */
-		Word16 prev_ol_lag,                   /* input  : previous open-loop lag                     */
-		Word16 old_ol_lag[5]
-	       );
+        Word16 prev_ol_lag,                   /* input  : previous open-loop lag                     */
+        Word16 old_ol_lag[5]
+           );
 
 void Hp_wsp(
-		Word16 wsp[],                         /* i   : wsp[]  signal       */
-		Word16 hp_wsp[],                      /* o   : hypass wsp[]        */
-		Word16 lg,                            /* i   : lenght of signal    */
-		Word16 mem[]                          /* i/o : filter memory [9]   */
-	   );
+        Word16 wsp[],                         /* i   : wsp[]  signal       */
+        Word16 hp_wsp[],                      /* o   : hypass wsp[]        */
+        Word16 lg,                            /* i   : lenght of signal    */
+        Word16 mem[]                          /* i/o : filter memory [9]   */
+       );
 
 #endif  //__P_MED_O_H__
 
diff --git a/media/libstagefright/codecs/amrwbenc/inc/q_pulse.h b/media/libstagefright/codecs/amrwbenc/inc/q_pulse.h
index b5d5280..67140fc 100644
--- a/media/libstagefright/codecs/amrwbenc/inc/q_pulse.h
+++ b/media/libstagefright/codecs/amrwbenc/inc/q_pulse.h
@@ -19,7 +19,7 @@
 /*--------------------------------------------------------------------------*
  *                         Q_PULSE.H                                        *
  *--------------------------------------------------------------------------*
- * Coding and decoding of algebraic codebook			            *
+ * Coding and decoding of algebraic codebook                        *
  *--------------------------------------------------------------------------*/
 
 #ifndef  __Q_PULSE_H__
@@ -28,38 +28,38 @@
 #include "typedef.h"
 
 Word32 quant_1p_N1(                        /* (o) return (N+1) bits           */
-		Word16 pos,                           /* (i) position of the pulse       */
-		Word16 N);                            /* (i) number of bits for position */
+        Word16 pos,                           /* (i) position of the pulse       */
+        Word16 N);                            /* (i) number of bits for position */
 
 Word32 quant_2p_2N1(                       /* (o) return (2*N)+1 bits         */
-		Word16 pos1,                          /* (i) position of the pulse 1     */
-		Word16 pos2,                          /* (i) position of the pulse 2     */
-		Word16 N);                            /* (i) number of bits for position */
+        Word16 pos1,                          /* (i) position of the pulse 1     */
+        Word16 pos2,                          /* (i) position of the pulse 2     */
+        Word16 N);                            /* (i) number of bits for position */
 
 Word32 quant_3p_3N1(                       /* (o) return (3*N)+1 bits         */
-		Word16 pos1,                          /* (i) position of the pulse 1     */
-		Word16 pos2,                          /* (i) position of the pulse 2     */
-		Word16 pos3,                          /* (i) position of the pulse 3     */
-		Word16 N);                            /* (i) number of bits for position */
+        Word16 pos1,                          /* (i) position of the pulse 1     */
+        Word16 pos2,                          /* (i) position of the pulse 2     */
+        Word16 pos3,                          /* (i) position of the pulse 3     */
+        Word16 N);                            /* (i) number of bits for position */
 
 Word32 quant_4p_4N1(                       /* (o) return (4*N)+1 bits         */
-		Word16 pos1,                          /* (i) position of the pulse 1     */
-		Word16 pos2,                          /* (i) position of the pulse 2     */
-		Word16 pos3,                          /* (i) position of the pulse 3     */
-		Word16 pos4,                          /* (i) position of the pulse 4     */
-		Word16 N);                            /* (i) number of bits for position */
+        Word16 pos1,                          /* (i) position of the pulse 1     */
+        Word16 pos2,                          /* (i) position of the pulse 2     */
+        Word16 pos3,                          /* (i) position of the pulse 3     */
+        Word16 pos4,                          /* (i) position of the pulse 4     */
+        Word16 N);                            /* (i) number of bits for position */
 
 Word32 quant_4p_4N(                        /* (o) return 4*N bits             */
-		Word16 pos[],                         /* (i) position of the pulse 1..4  */
-		Word16 N);                            /* (i) number of bits for position */
+        Word16 pos[],                         /* (i) position of the pulse 1..4  */
+        Word16 N);                            /* (i) number of bits for position */
 
 Word32 quant_5p_5N(                        /* (o) return 5*N bits             */
-		Word16 pos[],                         /* (i) position of the pulse 1..5  */
-		Word16 N);                            /* (i) number of bits for position */
+        Word16 pos[],                         /* (i) position of the pulse 1..5  */
+        Word16 N);                            /* (i) number of bits for position */
 
 Word32 quant_6p_6N_2(                      /* (o) return (6*N)-2 bits         */
-		Word16 pos[],                         /* (i) position of the pulse 1..6  */
-		Word16 N);                            /* (i) number of bits for position */
+        Word16 pos[],                         /* (i) position of the pulse 1..6  */
+        Word16 N);                            /* (i) number of bits for position */
 
 
 #endif //__Q_PULSE_H__
diff --git a/media/libstagefright/codecs/amrwbenc/inc/stream.h b/media/libstagefright/codecs/amrwbenc/inc/stream.h
index 4c1d0f0..ec1a700 100644
--- a/media/libstagefright/codecs/amrwbenc/inc/stream.h
+++ b/media/libstagefright/codecs/amrwbenc/inc/stream.h
@@ -17,7 +17,7 @@
 
 
 /***********************************************************************
-File:		stream.h
+File:       stream.h
 
 Contains:       VOME API Buffer Operator Implement Header
 
@@ -28,16 +28,16 @@
 #include "voMem.h"
 #define Frame_Maxsize  1024 * 2  //Work Buffer 10K
 #define Frame_MaxByte  640        //AMR_WB Encoder one frame 320 samples = 640 Bytes
-#define MIN(a,b)	 ((a) < (b)? (a) : (b))
+#define MIN(a,b)     ((a) < (b)? (a) : (b))
 
 typedef struct{
-	unsigned char *set_ptr;
-	unsigned char *frame_ptr;
-	unsigned char *frame_ptr_bk;
-	int  set_len;
-	int  framebuffer_len;
-	int  frame_storelen;
-	int  used_len;
+    unsigned char *set_ptr;
+    unsigned char *frame_ptr;
+    unsigned char *frame_ptr_bk;
+    int  set_len;
+    int  framebuffer_len;
+    int  frame_storelen;
+    int  used_len;
 }FrameStream;
 
 void voAWB_UpdateFrameBuffer(FrameStream *stream, VO_MEM_OPERATOR *pMemOP);
diff --git a/media/libstagefright/codecs/amrwbenc/inc/wb_vad.h b/media/libstagefright/codecs/amrwbenc/inc/wb_vad.h
index 6822f48..9a9af4f 100644
--- a/media/libstagefright/codecs/amrwbenc/inc/wb_vad.h
+++ b/media/libstagefright/codecs/amrwbenc/inc/wb_vad.h
@@ -37,28 +37,28 @@
 
 typedef struct
 {
-	Word16 bckr_est[COMPLEN];              /* background noise estimate                */
-	Word16 ave_level[COMPLEN];             /* averaged input components for stationary */
-	/* estimation                               */
-	Word16 old_level[COMPLEN];             /* input levels of the previous frame       */
-	Word16 sub_level[COMPLEN];             /* input levels calculated at the end of a frame (lookahead)  */
-	Word16 a_data5[F_5TH_CNT][2];          /* memory for the filter bank               */
-	Word16 a_data3[F_3TH_CNT];             /* memory for the filter bank               */
+    Word16 bckr_est[COMPLEN];              /* background noise estimate                */
+    Word16 ave_level[COMPLEN];             /* averaged input components for stationary */
+    /* estimation                               */
+    Word16 old_level[COMPLEN];             /* input levels of the previous frame       */
+    Word16 sub_level[COMPLEN];             /* input levels calculated at the end of a frame (lookahead)  */
+    Word16 a_data5[F_5TH_CNT][2];          /* memory for the filter bank               */
+    Word16 a_data3[F_3TH_CNT];             /* memory for the filter bank               */
 
-	Word16 burst_count;                    /* counts length of a speech burst          */
-	Word16 hang_count;                     /* hangover counter                         */
-	Word16 stat_count;                     /* stationary counter                       */
+    Word16 burst_count;                    /* counts length of a speech burst          */
+    Word16 hang_count;                     /* hangover counter                         */
+    Word16 stat_count;                     /* stationary counter                       */
 
-	/* Note that each of the following two variables holds 15 flags. Each flag reserves 1 bit of the
-	 * variable. The newest flag is in the bit 15 (assuming that LSB is bit 1 and MSB is bit 16). */
-	Word16 vadreg;                         /* flags for intermediate VAD decisions     */
-	Word16 tone_flag;                      /* tone detection flags                     */
+    /* Note that each of the following two variables holds 15 flags. Each flag reserves 1 bit of the
+     * variable. The newest flag is in the bit 15 (assuming that LSB is bit 1 and MSB is bit 16). */
+    Word16 vadreg;                         /* flags for intermediate VAD decisions     */
+    Word16 tone_flag;                      /* tone detection flags                     */
 
-	Word16 sp_est_cnt;                     /* counter for speech level estimation      */
-	Word16 sp_max;                         /* maximum level                            */
-	Word16 sp_max_cnt;                     /* counts frames that contains speech       */
-	Word16 speech_level;                   /* estimated speech level                   */
-	Word32 prev_pow_sum;                   /* power of previous frame                  */
+    Word16 sp_est_cnt;                     /* counter for speech level estimation      */
+    Word16 sp_max;                         /* maximum level                            */
+    Word16 sp_max_cnt;                     /* counts frames that contains speech       */
+    Word16 speech_level;                   /* estimated speech level                   */
+    Word32 prev_pow_sum;                   /* power of previous frame                  */
 
 } VadVars;
 
diff --git a/media/libstagefright/codecs/amrwbenc/inc/wb_vad_c.h b/media/libstagefright/codecs/amrwbenc/inc/wb_vad_c.h
index 04fd318..00b1779 100644
--- a/media/libstagefright/codecs/amrwbenc/inc/wb_vad_c.h
+++ b/media/libstagefright/codecs/amrwbenc/inc/wb_vad_c.h
@@ -16,9 +16,9 @@
 
 
 /*-------------------------------------------------------------------*
- *                         WB_VAD_C.H				     *
+ *                         WB_VAD_C.H                    *
  *-------------------------------------------------------------------*
- * Constants for Voice Activity Detection.			     *
+ * Constants for Voice Activity Detection.               *
  *-------------------------------------------------------------------*/
 
 #ifndef __WB_VAD_C_H__
diff --git a/media/libstagefright/codecs/amrwbenc/src/autocorr.c b/media/libstagefright/codecs/amrwbenc/src/autocorr.c
index 0b2ea89..3ea53f7 100644
--- a/media/libstagefright/codecs/amrwbenc/src/autocorr.c
+++ b/media/libstagefright/codecs/amrwbenc/src/autocorr.c
@@ -31,100 +31,100 @@
 #define UNUSED(x) (void)(x)
 
 void Autocorr(
-		Word16 x[],                           /* (i)    : Input signal                      */
-		Word16 m,                             /* (i)    : LPC order                         */
-		Word16 r_h[],                         /* (o) Q15: Autocorrelations  (msb)           */
-		Word16 r_l[]                          /* (o)    : Autocorrelations  (lsb)           */
-	     )
+        Word16 x[],                           /* (i)    : Input signal                      */
+        Word16 m,                             /* (i)    : LPC order                         */
+        Word16 r_h[],                         /* (o) Q15: Autocorrelations  (msb)           */
+        Word16 r_l[]                          /* (o)    : Autocorrelations  (lsb)           */
+         )
 {
-	Word32 i, norm, shift;
-	Word16 y[L_WINDOW];
-	Word32 L_sum, L_sum1, L_tmp, F_LEN;
-	Word16 *p1,*p2,*p3;
-	const Word16 *p4;
+    Word32 i, norm, shift;
+    Word16 y[L_WINDOW];
+    Word32 L_sum, L_sum1, L_tmp, F_LEN;
+    Word16 *p1,*p2,*p3;
+    const Word16 *p4;
         UNUSED(m);
 
-	/* Windowing of signal */
-	p1 = x;
-	p4 = vo_window;
-	p3 = y;
+    /* Windowing of signal */
+    p1 = x;
+    p4 = vo_window;
+    p3 = y;
 
-	for (i = 0; i < L_WINDOW; i+=4)
-	{
-		*p3++ = vo_mult_r((*p1++), (*p4++));
-		*p3++ = vo_mult_r((*p1++), (*p4++));
-		*p3++ = vo_mult_r((*p1++), (*p4++));
-		*p3++ = vo_mult_r((*p1++), (*p4++));
-	}
+    for (i = 0; i < L_WINDOW; i+=4)
+    {
+        *p3++ = vo_mult_r((*p1++), (*p4++));
+        *p3++ = vo_mult_r((*p1++), (*p4++));
+        *p3++ = vo_mult_r((*p1++), (*p4++));
+        *p3++ = vo_mult_r((*p1++), (*p4++));
+    }
 
-	/* calculate energy of signal */
-	L_sum = vo_L_deposit_h(16);               /* sqrt(256), avoid overflow after rounding */
-	for (i = 0; i < L_WINDOW; i++)
-	{
-		L_tmp = vo_L_mult(y[i], y[i]);
-		L_tmp = (L_tmp >> 8);
-		L_sum += L_tmp;
-	}
+    /* calculate energy of signal */
+    L_sum = vo_L_deposit_h(16);               /* sqrt(256), avoid overflow after rounding */
+    for (i = 0; i < L_WINDOW; i++)
+    {
+        L_tmp = vo_L_mult(y[i], y[i]);
+        L_tmp = (L_tmp >> 8);
+        L_sum += L_tmp;
+    }
 
-	/* scale signal to avoid overflow in autocorrelation */
-	norm = norm_l(L_sum);
-	shift = 4 - (norm >> 1);
-	if(shift > 0)
-	{
-		p1 = y;
-		for (i = 0; i < L_WINDOW; i+=4)
-		{
-			*p1 = vo_shr_r(*p1, shift);
-			p1++;
-			*p1 = vo_shr_r(*p1, shift);
-			p1++;
-			*p1 = vo_shr_r(*p1, shift);
-			p1++;
-			*p1 = vo_shr_r(*p1, shift);
-			p1++;
-		}
-	}
+    /* scale signal to avoid overflow in autocorrelation */
+    norm = norm_l(L_sum);
+    shift = 4 - (norm >> 1);
+    if(shift > 0)
+    {
+        p1 = y;
+        for (i = 0; i < L_WINDOW; i+=4)
+        {
+            *p1 = vo_shr_r(*p1, shift);
+            p1++;
+            *p1 = vo_shr_r(*p1, shift);
+            p1++;
+            *p1 = vo_shr_r(*p1, shift);
+            p1++;
+            *p1 = vo_shr_r(*p1, shift);
+            p1++;
+        }
+    }
 
-	/* Compute and normalize r[0] */
-	L_sum = 1;
-	for (i = 0; i < L_WINDOW; i+=4)
-	{
-		L_sum += vo_L_mult(y[i], y[i]);
-		L_sum += vo_L_mult(y[i+1], y[i+1]);
-		L_sum += vo_L_mult(y[i+2], y[i+2]);
-		L_sum += vo_L_mult(y[i+3], y[i+3]);
-	}
+    /* Compute and normalize r[0] */
+    L_sum = 1;
+    for (i = 0; i < L_WINDOW; i+=4)
+    {
+        L_sum += vo_L_mult(y[i], y[i]);
+        L_sum += vo_L_mult(y[i+1], y[i+1]);
+        L_sum += vo_L_mult(y[i+2], y[i+2]);
+        L_sum += vo_L_mult(y[i+3], y[i+3]);
+    }
 
-	norm = norm_l(L_sum);
-	L_sum = (L_sum << norm);
+    norm = norm_l(L_sum);
+    L_sum = (L_sum << norm);
 
-	r_h[0] = L_sum >> 16;
-	r_l[0] = (L_sum & 0xffff)>>1;
+    r_h[0] = L_sum >> 16;
+    r_l[0] = (L_sum & 0xffff)>>1;
 
-	/* Compute r[1] to r[m] */
-	for (i = 1; i <= 8; i++)
-	{
-		L_sum1 = 0;
-		L_sum = 0;
-		F_LEN = (Word32)(L_WINDOW - 2*i);
-		p1 = y;
-		p2 = y + (2*i)-1;
-		do{
-			L_sum1 += *p1 * *p2++;
-			L_sum += *p1++ * *p2;
-		}while(--F_LEN!=0);
+    /* Compute r[1] to r[m] */
+    for (i = 1; i <= 8; i++)
+    {
+        L_sum1 = 0;
+        L_sum = 0;
+        F_LEN = (Word32)(L_WINDOW - 2*i);
+        p1 = y;
+        p2 = y + (2*i)-1;
+        do{
+            L_sum1 += *p1 * *p2++;
+            L_sum += *p1++ * *p2;
+        }while(--F_LEN!=0);
 
-		L_sum1 += *p1 * *p2++;
+        L_sum1 += *p1 * *p2++;
 
-		L_sum1 = L_sum1<<norm;
-		L_sum = L_sum<<norm;
+        L_sum1 = L_sum1<<norm;
+        L_sum = L_sum<<norm;
 
-		r_h[(2*i)-1] = L_sum1 >> 15;
-		r_l[(2*i)-1] = L_sum1 & 0x00007fff;
-		r_h[(2*i)] = L_sum >> 15;
-		r_l[(2*i)] = L_sum & 0x00007fff;
-	}
-	return;
+        r_h[(2*i)-1] = L_sum1 >> 15;
+        r_l[(2*i)-1] = L_sum1 & 0x00007fff;
+        r_h[(2*i)] = L_sum >> 15;
+        r_l[(2*i)] = L_sum & 0x00007fff;
+    }
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/az_isp.c b/media/libstagefright/codecs/amrwbenc/src/az_isp.c
index 43db27a..d7074f0 100644
--- a/media/libstagefright/codecs/amrwbenc/src/az_isp.c
+++ b/media/libstagefright/codecs/amrwbenc/src/az_isp.c
@@ -58,138 +58,138 @@
 static __inline Word16 Chebps2(Word16 x, Word16 f[], Word32 n);
 
 void Az_isp(
-		Word16 a[],                           /* (i) Q12 : predictor coefficients                 */
-		Word16 isp[],                         /* (o) Q15 : Immittance spectral pairs              */
-		Word16 old_isp[]                      /* (i)     : old isp[] (in case not found M roots)  */
-	   )
+        Word16 a[],                           /* (i) Q12 : predictor coefficients                 */
+        Word16 isp[],                         /* (o) Q15 : Immittance spectral pairs              */
+        Word16 old_isp[]                      /* (i)     : old isp[] (in case not found M roots)  */
+       )
 {
-	Word32 i, j, nf, ip, order;
-	Word16 xlow, ylow, xhigh, yhigh, xmid, ymid, xint;
-	Word16 x, y, sign, exp;
-	Word16 *coef;
-	Word16 f1[NC + 1], f2[NC];
-	Word32 t0;
-	/*-------------------------------------------------------------*
-	 * find the sum and diff polynomials F1(z) and F2(z)           *
-	 *      F1(z) = [A(z) + z^M A(z^-1)]                           *
-	 *      F2(z) = [A(z) - z^M A(z^-1)]/(1-z^-2)                  *
-	 *                                                             *
-	 * for (i=0; i<NC; i++)                                        *
-	 * {                                                           *
-	 *   f1[i] = a[i] + a[M-i];                                    *
-	 *   f2[i] = a[i] - a[M-i];                                    *
-	 * }                                                           *
-	 * f1[NC] = 2.0*a[NC];                                         *
-	 *                                                             *
-	 * for (i=2; i<NC; i++)            Divide by (1-z^-2)          *
-	 *   f2[i] += f2[i-2];                                         *
-	 *-------------------------------------------------------------*/
-	for (i = 0; i < NC; i++)
-	{
-		t0 = a[i] << 15;
-		f1[i] = vo_round(t0 + (a[M - i] << 15));        /* =(a[i]+a[M-i])/2 */
-		f2[i] = vo_round(t0 - (a[M - i] << 15));        /* =(a[i]-a[M-i])/2 */
-	}
-	f1[NC] = a[NC];
-	for (i = 2; i < NC; i++)               /* Divide by (1-z^-2) */
-		f2[i] = add1(f2[i], f2[i - 2]);
+    Word32 i, j, nf, ip, order;
+    Word16 xlow, ylow, xhigh, yhigh, xmid, ymid, xint;
+    Word16 x, y, sign, exp;
+    Word16 *coef;
+    Word16 f1[NC + 1], f2[NC];
+    Word32 t0;
+    /*-------------------------------------------------------------*
+     * find the sum and diff polynomials F1(z) and F2(z)           *
+     *      F1(z) = [A(z) + z^M A(z^-1)]                           *
+     *      F2(z) = [A(z) - z^M A(z^-1)]/(1-z^-2)                  *
+     *                                                             *
+     * for (i=0; i<NC; i++)                                        *
+     * {                                                           *
+     *   f1[i] = a[i] + a[M-i];                                    *
+     *   f2[i] = a[i] - a[M-i];                                    *
+     * }                                                           *
+     * f1[NC] = 2.0*a[NC];                                         *
+     *                                                             *
+     * for (i=2; i<NC; i++)            Divide by (1-z^-2)          *
+     *   f2[i] += f2[i-2];                                         *
+     *-------------------------------------------------------------*/
+    for (i = 0; i < NC; i++)
+    {
+        t0 = a[i] << 15;
+        f1[i] = vo_round(t0 + (a[M - i] << 15));        /* =(a[i]+a[M-i])/2 */
+        f2[i] = vo_round(t0 - (a[M - i] << 15));        /* =(a[i]-a[M-i])/2 */
+    }
+    f1[NC] = a[NC];
+    for (i = 2; i < NC; i++)               /* Divide by (1-z^-2) */
+        f2[i] = add1(f2[i], f2[i - 2]);
 
-	/*---------------------------------------------------------------------*
-	 * Find the ISPs (roots of F1(z) and F2(z) ) using the                 *
-	 * Chebyshev polynomial evaluation.                                    *
-	 * The roots of F1(z) and F2(z) are alternatively searched.            *
-	 * We start by finding the first root of F1(z) then we switch          *
-	 * to F2(z) then back to F1(z) and so on until all roots are found.    *
-	 *                                                                     *
-	 *  - Evaluate Chebyshev pol. at grid points and check for sign change.*
-	 *  - If sign change track the root by subdividing the interval        *
-	 *    2 times and ckecking sign change.                                *
-	 *---------------------------------------------------------------------*/
-	nf = 0;                                  /* number of found frequencies */
-	ip = 0;                                  /* indicator for f1 or f2      */
-	coef = f1;
-	order = NC;
-	xlow = vogrid[0];
-	ylow = Chebps2(xlow, coef, order);
-	j = 0;
-	while ((nf < M - 1) && (j < GRID_POINTS))
-	{
-		j ++;
-		xhigh = xlow;
-		yhigh = ylow;
-		xlow = vogrid[j];
-		ylow = Chebps2(xlow, coef, order);
-		if ((ylow * yhigh) <= (Word32) 0)
-		{
-			/* divide 2 times the interval */
-			for (i = 0; i < 2; i++)
-			{
-				xmid = (xlow >> 1) + (xhigh >> 1);        /* xmid = (xlow + xhigh)/2 */
-				ymid = Chebps2(xmid, coef, order);
-				if ((ylow * ymid) <= (Word32) 0)
-				{
-					yhigh = ymid;
-					xhigh = xmid;
-				} else
-				{
-					ylow = ymid;
-					xlow = xmid;
-				}
-			}
-			/*-------------------------------------------------------------*
-			 * Linear interpolation                                        *
-			 *    xint = xlow - ylow*(xhigh-xlow)/(yhigh-ylow);            *
-			 *-------------------------------------------------------------*/
-			x = xhigh - xlow;
-			y = yhigh - ylow;
-			if (y == 0)
-			{
-				xint = xlow;
-			} else
-			{
-				sign = y;
-				y = abs_s(y);
-				exp = norm_s(y);
-				y = y << exp;
-				y = div_s((Word16) 16383, y);
-				t0 = x * y;
-				t0 = (t0 >> (19 - exp));
-				y = vo_extract_l(t0);         /* y= (xhigh-xlow)/(yhigh-ylow) in Q11 */
-				if (sign < 0)
-					y = -y;
-				t0 = ylow * y;      /* result in Q26 */
-				t0 = (t0 >> 10);        /* result in Q15 */
-				xint = vo_sub(xlow, vo_extract_l(t0));        /* xint = xlow - ylow*y */
-			}
-			isp[nf] = xint;
-			xlow = xint;
-			nf++;
-			if (ip == 0)
-			{
-				ip = 1;
-				coef = f2;
-				order = NC - 1;
-			} else
-			{
-				ip = 0;
-				coef = f1;
-				order = NC;
-			}
-			ylow = Chebps2(xlow, coef, order);
-		}
-	}
-	/* Check if M-1 roots found */
-	if(nf < M - 1)
-	{
-		for (i = 0; i < M; i++)
-		{
-			isp[i] = old_isp[i];
-		}
-	} else
-	{
-		isp[M - 1] = a[M] << 3;                      /* From Q12 to Q15 with saturation */
-	}
-	return;
+    /*---------------------------------------------------------------------*
+     * Find the ISPs (roots of F1(z) and F2(z) ) using the                 *
+     * Chebyshev polynomial evaluation.                                    *
+     * The roots of F1(z) and F2(z) are alternatively searched.            *
+     * We start by finding the first root of F1(z) then we switch          *
+     * to F2(z) then back to F1(z) and so on until all roots are found.    *
+     *                                                                     *
+     *  - Evaluate Chebyshev pol. at grid points and check for sign change.*
+     *  - If sign change track the root by subdividing the interval        *
+     *    2 times and ckecking sign change.                                *
+     *---------------------------------------------------------------------*/
+    nf = 0;                                  /* number of found frequencies */
+    ip = 0;                                  /* indicator for f1 or f2      */
+    coef = f1;
+    order = NC;
+    xlow = vogrid[0];
+    ylow = Chebps2(xlow, coef, order);
+    j = 0;
+    while ((nf < M - 1) && (j < GRID_POINTS))
+    {
+        j ++;
+        xhigh = xlow;
+        yhigh = ylow;
+        xlow = vogrid[j];
+        ylow = Chebps2(xlow, coef, order);
+        if ((ylow * yhigh) <= (Word32) 0)
+        {
+            /* divide 2 times the interval */
+            for (i = 0; i < 2; i++)
+            {
+                xmid = (xlow >> 1) + (xhigh >> 1);        /* xmid = (xlow + xhigh)/2 */
+                ymid = Chebps2(xmid, coef, order);
+                if ((ylow * ymid) <= (Word32) 0)
+                {
+                    yhigh = ymid;
+                    xhigh = xmid;
+                } else
+                {
+                    ylow = ymid;
+                    xlow = xmid;
+                }
+            }
+            /*-------------------------------------------------------------*
+             * Linear interpolation                                        *
+             *    xint = xlow - ylow*(xhigh-xlow)/(yhigh-ylow);            *
+             *-------------------------------------------------------------*/
+            x = xhigh - xlow;
+            y = yhigh - ylow;
+            if (y == 0)
+            {
+                xint = xlow;
+            } else
+            {
+                sign = y;
+                y = abs_s(y);
+                exp = norm_s(y);
+                y = y << exp;
+                y = div_s((Word16) 16383, y);
+                t0 = x * y;
+                t0 = (t0 >> (19 - exp));
+                y = vo_extract_l(t0);         /* y= (xhigh-xlow)/(yhigh-ylow) in Q11 */
+                if (sign < 0)
+                    y = -y;
+                t0 = ylow * y;      /* result in Q26 */
+                t0 = (t0 >> 10);        /* result in Q15 */
+                xint = vo_sub(xlow, vo_extract_l(t0));        /* xint = xlow - ylow*y */
+            }
+            isp[nf] = xint;
+            xlow = xint;
+            nf++;
+            if (ip == 0)
+            {
+                ip = 1;
+                coef = f2;
+                order = NC - 1;
+            } else
+            {
+                ip = 0;
+                coef = f1;
+                order = NC;
+            }
+            ylow = Chebps2(xlow, coef, order);
+        }
+    }
+    /* Check if M-1 roots found */
+    if(nf < M - 1)
+    {
+        for (i = 0; i < M; i++)
+        {
+            isp[i] = old_isp[i];
+        }
+    } else
+    {
+        isp[M - 1] = a[M] << 3;                      /* From Q12 to Q15 with saturation */
+    }
+    return;
 }
 
 /*--------------------------------------------------------------*
@@ -213,55 +213,55 @@
 
 static __inline Word16 Chebps2(Word16 x, Word16 f[], Word32 n)
 {
-	Word32 i, cheb;
-	Word16 b0_h, b0_l, b1_h, b1_l, b2_h, b2_l;
-	Word32 t0;
+    Word32 i, cheb;
+    Word16 b0_h, b0_l, b1_h, b1_l, b2_h, b2_l;
+    Word32 t0;
 
-	/* Note: All computation are done in Q24. */
+    /* Note: All computation are done in Q24. */
 
-	t0 = f[0] << 13;
-	b2_h = t0 >> 16;
-	b2_l = (t0 & 0xffff)>>1;
+    t0 = f[0] << 13;
+    b2_h = t0 >> 16;
+    b2_l = (t0 & 0xffff)>>1;
 
-	t0 = ((b2_h * x)<<1) + (((b2_l * x)>>15)<<1);
-	t0 <<= 1;
-	t0 += (f[1] << 13);						/* + f[1] in Q24        */
+    t0 = ((b2_h * x)<<1) + (((b2_l * x)>>15)<<1);
+    t0 <<= 1;
+    t0 += (f[1] << 13);                     /* + f[1] in Q24        */
 
-	b1_h = t0 >> 16;
-	b1_l = (t0 & 0xffff) >> 1;
+    b1_h = t0 >> 16;
+    b1_l = (t0 & 0xffff) >> 1;
 
-	for (i = 2; i < n; i++)
-	{
-		t0 = ((b1_h * x)<<1) + (((b1_l * x)>>15)<<1);
+    for (i = 2; i < n; i++)
+    {
+        t0 = ((b1_h * x)<<1) + (((b1_l * x)>>15)<<1);
 
-		t0 += (b2_h * (-16384))<<1;
-		t0 += (f[i] << 12);
-		t0 <<= 1;
-		t0 -= (b2_l << 1);					/* t0 = 2.0*x*b1 - b2 + f[i]; */
+        t0 += (b2_h * (-16384))<<1;
+        t0 += (f[i] << 12);
+        t0 <<= 1;
+        t0 -= (b2_l << 1);                  /* t0 = 2.0*x*b1 - b2 + f[i]; */
 
-		b0_h = t0 >> 16;
-		b0_l = (t0 & 0xffff) >> 1;
+        b0_h = t0 >> 16;
+        b0_l = (t0 & 0xffff) >> 1;
 
-		b2_l = b1_l;                         /* b2 = b1; */
-		b2_h = b1_h;
-		b1_l = b0_l;                         /* b1 = b0; */
-		b1_h = b0_h;
-	}
+        b2_l = b1_l;                         /* b2 = b1; */
+        b2_h = b1_h;
+        b1_l = b0_l;                         /* b1 = b0; */
+        b1_h = b0_h;
+    }
 
-	t0 = ((b1_h * x)<<1) + (((b1_l * x)>>15)<<1);
-	t0 += (b2_h * (-32768))<<1;				/* t0 = x*b1 - b2          */
-	t0 -= (b2_l << 1);
-	t0 += (f[n] << 12);						/* t0 = x*b1 - b2 + f[i]/2 */
+    t0 = ((b1_h * x)<<1) + (((b1_l * x)>>15)<<1);
+    t0 += (b2_h * (-32768))<<1;             /* t0 = x*b1 - b2          */
+    t0 -= (b2_l << 1);
+    t0 += (f[n] << 12);                     /* t0 = x*b1 - b2 + f[i]/2 */
 
-	t0 = L_shl2(t0, 6);                     /* Q24 to Q30 with saturation */
+    t0 = L_shl2(t0, 6);                     /* Q24 to Q30 with saturation */
 
-	cheb = extract_h(t0);                  /* Result in Q14              */
+    cheb = extract_h(t0);                  /* Result in Q14              */
 
-	if (cheb == -32768)
-	{
-		cheb = -32767;                     /* to avoid saturation in Az_isp */
-	}
-	return (cheb);
+    if (cheb == -32768)
+    {
+        cheb = -32767;                     /* to avoid saturation in Az_isp */
+    }
+    return (cheb);
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/bits.c b/media/libstagefright/codecs/amrwbenc/src/bits.c
index e78dc1f..6b8bddd 100644
--- a/media/libstagefright/codecs/amrwbenc/src/bits.c
+++ b/media/libstagefright/codecs/amrwbenc/src/bits.c
@@ -17,7 +17,7 @@
 /***********************************************************************
        File: bits.c
 
-	   Description: Performs bit stream manipulation
+       Description: Performs bit stream manipulation
 
 ************************************************************************/
 
@@ -33,151 +33,151 @@
 
 
 int PackBits(Word16 prms[],             /*  i: analysis parameters */
-			 Word16 coding_mode,        /*  i: coding bit-stream ratio mode */
-			 Word16 mode,               /*  i: coding bit-stream ratio mode*/
-			 Coder_State *st            /*i/o: coder global parameters struct */
-			 )
+             Word16 coding_mode,        /*  i: coding bit-stream ratio mode */
+             Word16 mode,               /*  i: coding bit-stream ratio mode*/
+             Coder_State *st            /*i/o: coder global parameters struct */
+             )
 {
-	Word16 i, frame_type;
-	UWord8 temp;
-	UWord8 *stream_ptr;
-	Word16 bitstreamformat = st->frameType;
+    Word16 i, frame_type;
+    UWord8 temp;
+    UWord8 *stream_ptr;
+    Word16 bitstreamformat = st->frameType;
 
-	unsigned short* dataOut = st->outputStream;
+    unsigned short* dataOut = st->outputStream;
 
-	if (coding_mode == MRDTX)
-	{
-		st->sid_update_counter--;
+    if (coding_mode == MRDTX)
+    {
+        st->sid_update_counter--;
 
-		if (st->prev_ft == TX_SPEECH)
-		{
-			frame_type = TX_SID_FIRST;
-			st->sid_update_counter = 3;
-		} else
-		{
-			if ((st->sid_handover_debt > 0) && (st->sid_update_counter > 2))
-			{
-				/* ensure extra updates are  properly delayed after a possible SID_FIRST */
-				frame_type = TX_SID_UPDATE;
-				st->sid_handover_debt--;
-			} else
-			{
-				if (st->sid_update_counter == 0)
-				{
-					frame_type = TX_SID_UPDATE;
-					st->sid_update_counter = 8;
-				} else
-				{
-					frame_type = TX_NO_DATA;
-				}
-			}
-		}
-	} else
-	{
-		st->sid_update_counter = 8;
-		frame_type = TX_SPEECH;
-	}
-	st->prev_ft = frame_type;
+        if (st->prev_ft == TX_SPEECH)
+        {
+            frame_type = TX_SID_FIRST;
+            st->sid_update_counter = 3;
+        } else
+        {
+            if ((st->sid_handover_debt > 0) && (st->sid_update_counter > 2))
+            {
+                /* ensure extra updates are  properly delayed after a possible SID_FIRST */
+                frame_type = TX_SID_UPDATE;
+                st->sid_handover_debt--;
+            } else
+            {
+                if (st->sid_update_counter == 0)
+                {
+                    frame_type = TX_SID_UPDATE;
+                    st->sid_update_counter = 8;
+                } else
+                {
+                    frame_type = TX_NO_DATA;
+                }
+            }
+        }
+    } else
+    {
+        st->sid_update_counter = 8;
+        frame_type = TX_SPEECH;
+    }
+    st->prev_ft = frame_type;
 
-	if(bitstreamformat == 0)				/* default file format */
-	{
-		*(dataOut) = TX_FRAME_TYPE;
-		*(dataOut + 1) = frame_type;
-		*(dataOut + 2) = mode;
-		for (i = 0; i < nb_of_bits[coding_mode]; i++)
-		{
-			*(dataOut + 3 + i) = prms[i];
-		}
-		return  (3 + nb_of_bits[coding_mode])<<1;
-	} else
-	{
-		if (bitstreamformat == 1)		/* ITU file format */
-		{
-			*(dataOut) = 0x6b21;
-			if(frame_type != TX_NO_DATA && frame_type != TX_SID_FIRST)
-			{
-				*(dataOut + 1) = nb_of_bits[coding_mode];
-				for (i = 0; i < nb_of_bits[coding_mode]; i++)
-				{
-					if(prms[i] == BIT_0){
-						*(dataOut + 2 + i) = BIT_0_ITU;
-					}
-					else{
-						*(dataOut + 2 + i) = BIT_1_ITU;
-					}
-				}
-				return (2 + nb_of_bits[coding_mode])<<1;
-			} else
-			{
-				*(dataOut + 1) = 0;
-				return 2<<1;
-			}
-		} else							/* MIME/storage file format */
-		{
+    if(bitstreamformat == 0)                /* default file format */
+    {
+        *(dataOut) = TX_FRAME_TYPE;
+        *(dataOut + 1) = frame_type;
+        *(dataOut + 2) = mode;
+        for (i = 0; i < nb_of_bits[coding_mode]; i++)
+        {
+            *(dataOut + 3 + i) = prms[i];
+        }
+        return  (3 + nb_of_bits[coding_mode])<<1;
+    } else
+    {
+        if (bitstreamformat == 1)       /* ITU file format */
+        {
+            *(dataOut) = 0x6b21;
+            if(frame_type != TX_NO_DATA && frame_type != TX_SID_FIRST)
+            {
+                *(dataOut + 1) = nb_of_bits[coding_mode];
+                for (i = 0; i < nb_of_bits[coding_mode]; i++)
+                {
+                    if(prms[i] == BIT_0){
+                        *(dataOut + 2 + i) = BIT_0_ITU;
+                    }
+                    else{
+                        *(dataOut + 2 + i) = BIT_1_ITU;
+                    }
+                }
+                return (2 + nb_of_bits[coding_mode])<<1;
+            } else
+            {
+                *(dataOut + 1) = 0;
+                return 2<<1;
+            }
+        } else                          /* MIME/storage file format */
+        {
 #define MRSID 9
-			/* change mode index in case of SID frame */
-			if (coding_mode == MRDTX)
-			{
-				coding_mode = MRSID;
-				if (frame_type == TX_SID_FIRST)
-				{
-					for (i = 0; i < NBBITS_SID; i++)	prms[i] = BIT_0;
-				}
-			}
-			/* -> force NO_DATA frame */
-			if (coding_mode < 0 || coding_mode > 15 || (coding_mode > MRSID && coding_mode < 14))
-			{
-				coding_mode = 15;
-			}
-			/* mark empty frames between SID updates as NO_DATA frames */
-			if (coding_mode == MRSID && frame_type == TX_NO_DATA)
-			{
-				coding_mode = 15;
-			}
-			/* set pointer for packed frame, note that we handle data as bytes */
-			stream_ptr = (UWord8*)dataOut;
-			/* insert table of contents (ToC) byte at the beginning of the packet */
-			*stream_ptr = toc_byte[coding_mode];
-			stream_ptr++;
-			temp = 0;
-			/* sort and pack AMR-WB speech or SID bits */
-			for (i = 1; i < unpacked_size[coding_mode] + 1; i++)
-			{
-				if (prms[sort_ptr[coding_mode][i-1]] == BIT_1)
-				{
-					temp++;
-				}
-				if (i&0x7)
-				{
-					temp <<= 1;
-				}
-				else
-				{
-					*stream_ptr = temp;
-					stream_ptr++;
-					temp = 0;
-				}
-			}
-			/* insert SID type indication and speech mode in case of SID frame */
-			if (coding_mode == MRSID)
-			{
-				if (frame_type == TX_SID_UPDATE)
-				{
-					temp++;
-				}
-				temp <<= 4;
-				temp += mode & 0x000F;
-			}
-			/* insert unused bits (zeros) at the tail of the last byte */
-			if (unused_size[coding_mode])
-			{
-				temp <<= (unused_size[coding_mode] - 1);
-			}
-			*stream_ptr = temp;
-			/* write packed frame into file (1 byte added to cover ToC entry) */
-			return (1 + packed_size[coding_mode]);
-		}
-	}
+            /* change mode index in case of SID frame */
+            if (coding_mode == MRDTX)
+            {
+                coding_mode = MRSID;
+                if (frame_type == TX_SID_FIRST)
+                {
+                    for (i = 0; i < NBBITS_SID; i++)    prms[i] = BIT_0;
+                }
+            }
+            /* -> force NO_DATA frame */
+            if (coding_mode < 0 || coding_mode > 15 || (coding_mode > MRSID && coding_mode < 14))
+            {
+                coding_mode = 15;
+            }
+            /* mark empty frames between SID updates as NO_DATA frames */
+            if (coding_mode == MRSID && frame_type == TX_NO_DATA)
+            {
+                coding_mode = 15;
+            }
+            /* set pointer for packed frame, note that we handle data as bytes */
+            stream_ptr = (UWord8*)dataOut;
+            /* insert table of contents (ToC) byte at the beginning of the packet */
+            *stream_ptr = toc_byte[coding_mode];
+            stream_ptr++;
+            temp = 0;
+            /* sort and pack AMR-WB speech or SID bits */
+            for (i = 1; i < unpacked_size[coding_mode] + 1; i++)
+            {
+                if (prms[sort_ptr[coding_mode][i-1]] == BIT_1)
+                {
+                    temp++;
+                }
+                if (i&0x7)
+                {
+                    temp <<= 1;
+                }
+                else
+                {
+                    *stream_ptr = temp;
+                    stream_ptr++;
+                    temp = 0;
+                }
+            }
+            /* insert SID type indication and speech mode in case of SID frame */
+            if (coding_mode == MRSID)
+            {
+                if (frame_type == TX_SID_UPDATE)
+                {
+                    temp++;
+                }
+                temp <<= 4;
+                temp += mode & 0x000F;
+            }
+            /* insert unused bits (zeros) at the tail of the last byte */
+            if (unused_size[coding_mode])
+            {
+                temp <<= (unused_size[coding_mode] - 1);
+            }
+            *stream_ptr = temp;
+            /* write packed frame into file (1 byte added to cover ToC entry) */
+            return (1 + packed_size[coding_mode]);
+        }
+    }
 }
 
 /*-----------------------------------------------------*
@@ -185,24 +185,24 @@
 *-----------------------------------------------------*/
 
 void Parm_serial(
-		Word16 value,                         /* input : parameter value */
-		Word16 no_of_bits,                    /* input : number of bits  */
-		Word16 ** prms
-		)
+        Word16 value,                         /* input : parameter value */
+        Word16 no_of_bits,                    /* input : number of bits  */
+        Word16 ** prms
+        )
 {
-	Word16 i, bit;
-	*prms += no_of_bits;
-	for (i = 0; i < no_of_bits; i++)
-	{
-		bit = (Word16) (value & 0x0001);    /* get lsb */
-		if (bit == 0)
-			*--(*prms) = BIT_0;
-		else
-			*--(*prms) = BIT_1;
-		value >>= 1;
-	}
-	*prms += no_of_bits;
-	return;
+    Word16 i, bit;
+    *prms += no_of_bits;
+    for (i = 0; i < no_of_bits; i++)
+    {
+        bit = (Word16) (value & 0x0001);    /* get lsb */
+        if (bit == 0)
+            *--(*prms) = BIT_0;
+        else
+            *--(*prms) = BIT_1;
+        value >>= 1;
+    }
+    *prms += no_of_bits;
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/c2t64fx.c b/media/libstagefright/codecs/amrwbenc/src/c2t64fx.c
index 519924d..c7c9279 100644
--- a/media/libstagefright/codecs/amrwbenc/src/c2t64fx.c
+++ b/media/libstagefright/codecs/amrwbenc/src/c2t64fx.c
@@ -17,7 +17,7 @@
 /************************************************************************
 *      File: c2t64fx.c                                                  *
 *                                                                       *
-*	   Description:Performs algebraic codebook search for 6.60kbits mode*
+*      Description:Performs algebraic codebook search for 6.60kbits mode*
 *                                                                       *
 *************************************************************************/
 
@@ -45,255 +45,255 @@
 **************************************************************************/
 
 void ACELP_2t64_fx(
-		Word16 dn[],                          /* (i) <12b : correlation between target x[] and H[]      */
-		Word16 cn[],                          /* (i) <12b : residual after long term prediction         */
-		Word16 H[],                           /* (i) Q12: impulse response of weighted synthesis filter */
-		Word16 code[],                        /* (o) Q9 : algebraic (fixed) codebook excitation         */
-		Word16 y[],                           /* (o) Q9 : filtered fixed codebook excitation            */
-		Word16 * index                        /* (o) : index (12): 5+1+5+1 = 11 bits.                   */
-		)
+        Word16 dn[],                          /* (i) <12b : correlation between target x[] and H[]      */
+        Word16 cn[],                          /* (i) <12b : residual after long term prediction         */
+        Word16 H[],                           /* (i) Q12: impulse response of weighted synthesis filter */
+        Word16 code[],                        /* (o) Q9 : algebraic (fixed) codebook excitation         */
+        Word16 y[],                           /* (o) Q9 : filtered fixed codebook excitation            */
+        Word16 * index                        /* (o) : index (12): 5+1+5+1 = 11 bits.                   */
+        )
 {
-	Word32 i, j, k, i0, i1, ix, iy, pos, pos2;
-	Word16 ps, psk, ps1, ps2, alpk, alp1, alp2, sq;
-	Word16 alp, val, exp, k_cn, k_dn;
-	Word16 *p0, *p1, *p2, *psign;
-	Word16 *h, *h_inv, *ptr_h1, *ptr_h2, *ptr_hf;
+    Word32 i, j, k, i0, i1, ix, iy, pos, pos2;
+    Word16 ps, psk, ps1, ps2, alpk, alp1, alp2, sq;
+    Word16 alp, val, exp, k_cn, k_dn;
+    Word16 *p0, *p1, *p2, *psign;
+    Word16 *h, *h_inv, *ptr_h1, *ptr_h2, *ptr_hf;
 
-	Word16 sign[L_SUBFR], vec[L_SUBFR], dn2[L_SUBFR];
-	Word16 h_buf[4 * L_SUBFR] = {0};
-	Word16 rrixix[NB_TRACK][NB_POS];
-	Word16 rrixiy[MSIZE];
-	Word32 s, cor;
+    Word16 sign[L_SUBFR], vec[L_SUBFR], dn2[L_SUBFR];
+    Word16 h_buf[4 * L_SUBFR] = {0};
+    Word16 rrixix[NB_TRACK][NB_POS];
+    Word16 rrixiy[MSIZE];
+    Word32 s, cor;
 
-	/*----------------------------------------------------------------*
-	 * Find sign for each pulse position.                             *
-	 *----------------------------------------------------------------*/
-	alp = 8192;                              /* alp = 2.0 (Q12) */
+    /*----------------------------------------------------------------*
+     * Find sign for each pulse position.                             *
+     *----------------------------------------------------------------*/
+    alp = 8192;                              /* alp = 2.0 (Q12) */
 
-	/* calculate energy for normalization of cn[] and dn[] */
-	/* set k_cn = 32..32767 (ener_cn = 2^30..256-0) */
+    /* calculate energy for normalization of cn[] and dn[] */
+    /* set k_cn = 32..32767 (ener_cn = 2^30..256-0) */
 #ifdef ASM_OPT             /* asm optimization branch */
-	s = Dot_product12_asm(cn, cn, L_SUBFR, &exp);
+    s = Dot_product12_asm(cn, cn, L_SUBFR, &exp);
 #else
-	s = Dot_product12(cn, cn, L_SUBFR, &exp);
+    s = Dot_product12(cn, cn, L_SUBFR, &exp);
 #endif
 
-	Isqrt_n(&s, &exp);
-	s = L_shl(s, add1(exp, 5));
-	if (s > INT_MAX - 0x8000) {
-		s = INT_MAX - 0x8000;
-	}
-	k_cn = vo_round(s);
+    Isqrt_n(&s, &exp);
+    s = L_shl(s, add1(exp, 5));
+    if (s > INT_MAX - 0x8000) {
+        s = INT_MAX - 0x8000;
+    }
+    k_cn = vo_round(s);
 
-	/* set k_dn = 32..512 (ener_dn = 2^30..2^22) */
+    /* set k_dn = 32..512 (ener_dn = 2^30..2^22) */
 #ifdef ASM_OPT                  /* asm optimization branch */
-	s = Dot_product12_asm(dn, dn, L_SUBFR, &exp);
+    s = Dot_product12_asm(dn, dn, L_SUBFR, &exp);
 #else
-	s = Dot_product12(dn, dn, L_SUBFR, &exp);
+    s = Dot_product12(dn, dn, L_SUBFR, &exp);
 #endif
 
-	Isqrt_n(&s, &exp);
-	k_dn = vo_round(L_shl(s, (exp + 8)));    /* k_dn = 256..4096 */
-	k_dn = vo_mult_r(alp, k_dn);              /* alp in Q12 */
+    Isqrt_n(&s, &exp);
+    k_dn = vo_round(L_shl(s, (exp + 8)));    /* k_dn = 256..4096 */
+    k_dn = vo_mult_r(alp, k_dn);              /* alp in Q12 */
 
-	/* mix normalized cn[] and dn[] */
-	p0 = cn;
-	p1 = dn;
-	p2 = dn2;
+    /* mix normalized cn[] and dn[] */
+    p0 = cn;
+    p1 = dn;
+    p2 = dn2;
 
-	for (i = 0; i < L_SUBFR/4; i++)
-	{
-		s = (k_cn* (*p0++))+(k_dn * (*p1++));
-		*p2++ = s >> 7;
-		s = (k_cn* (*p0++))+(k_dn * (*p1++));
-		*p2++ = s >> 7;
-		s = (k_cn* (*p0++))+(k_dn * (*p1++));
-		*p2++ = s >> 7;
-		s = (k_cn* (*p0++))+(k_dn * (*p1++));
-		*p2++ = s >> 7;
-	}
+    for (i = 0; i < L_SUBFR/4; i++)
+    {
+        s = (k_cn* (*p0++))+(k_dn * (*p1++));
+        *p2++ = s >> 7;
+        s = (k_cn* (*p0++))+(k_dn * (*p1++));
+        *p2++ = s >> 7;
+        s = (k_cn* (*p0++))+(k_dn * (*p1++));
+        *p2++ = s >> 7;
+        s = (k_cn* (*p0++))+(k_dn * (*p1++));
+        *p2++ = s >> 7;
+    }
 
-	/* set sign according to dn2[] = k_cn*cn[] + k_dn*dn[]    */
-	for (i = 0; i < L_SUBFR; i ++)
-	{
-		val = dn[i];
-		ps = dn2[i];
-		if (ps >= 0)
-		{
-			sign[i] = 32767;             /* sign = +1 (Q12) */
-			vec[i] = -32768;
-		} else
-		{
-			sign[i] = -32768;            /* sign = -1 (Q12) */
-			vec[i] = 32767;
-			dn[i] = -val;
-		}
-	}
-	/*------------------------------------------------------------*
-	 * Compute h_inv[i].                                          *
-	 *------------------------------------------------------------*/
-	/* impulse response buffer for fast computation */
-	h = h_buf + L_SUBFR;
-	h_inv = h + (L_SUBFR<<1);
+    /* set sign according to dn2[] = k_cn*cn[] + k_dn*dn[]    */
+    for (i = 0; i < L_SUBFR; i ++)
+    {
+        val = dn[i];
+        ps = dn2[i];
+        if (ps >= 0)
+        {
+            sign[i] = 32767;             /* sign = +1 (Q12) */
+            vec[i] = -32768;
+        } else
+        {
+            sign[i] = -32768;            /* sign = -1 (Q12) */
+            vec[i] = 32767;
+            dn[i] = -val;
+        }
+    }
+    /*------------------------------------------------------------*
+     * Compute h_inv[i].                                          *
+     *------------------------------------------------------------*/
+    /* impulse response buffer for fast computation */
+    h = h_buf + L_SUBFR;
+    h_inv = h + (L_SUBFR<<1);
 
-	for (i = 0; i < L_SUBFR; i++)
-	{
-		h[i] = H[i];
-		h_inv[i] = vo_negate(h[i]);
-	}
+    for (i = 0; i < L_SUBFR; i++)
+    {
+        h[i] = H[i];
+        h_inv[i] = vo_negate(h[i]);
+    }
 
-	/*------------------------------------------------------------*
-	 * Compute rrixix[][] needed for the codebook search.         *
-	 * Result is multiplied by 0.5                                *
-	 *------------------------------------------------------------*/
-	/* Init pointers to last position of rrixix[] */
-	p0 = &rrixix[0][NB_POS - 1];
-	p1 = &rrixix[1][NB_POS - 1];
+    /*------------------------------------------------------------*
+     * Compute rrixix[][] needed for the codebook search.         *
+     * Result is multiplied by 0.5                                *
+     *------------------------------------------------------------*/
+    /* Init pointers to last position of rrixix[] */
+    p0 = &rrixix[0][NB_POS - 1];
+    p1 = &rrixix[1][NB_POS - 1];
 
-	ptr_h1 = h;
-	cor = 0x00010000L;                          /* for rounding */
-	for (i = 0; i < NB_POS; i++)
-	{
-		cor += ((*ptr_h1) * (*ptr_h1) << 1);
-		ptr_h1++;
-		*p1-- = (extract_h(cor) >> 1);
-		cor += ((*ptr_h1) * (*ptr_h1) << 1);
-		ptr_h1++;
-		*p0-- = (extract_h(cor) >> 1);
-	}
+    ptr_h1 = h;
+    cor = 0x00010000L;                          /* for rounding */
+    for (i = 0; i < NB_POS; i++)
+    {
+        cor += ((*ptr_h1) * (*ptr_h1) << 1);
+        ptr_h1++;
+        *p1-- = (extract_h(cor) >> 1);
+        cor += ((*ptr_h1) * (*ptr_h1) << 1);
+        ptr_h1++;
+        *p0-- = (extract_h(cor) >> 1);
+    }
 
-	/*------------------------------------------------------------*
-	 * Compute rrixiy[][] needed for the codebook search.         *
-	 *------------------------------------------------------------*/
-	pos = MSIZE - 1;
-	pos2 = MSIZE - 2;
-	ptr_hf = h + 1;
+    /*------------------------------------------------------------*
+     * Compute rrixiy[][] needed for the codebook search.         *
+     *------------------------------------------------------------*/
+    pos = MSIZE - 1;
+    pos2 = MSIZE - 2;
+    ptr_hf = h + 1;
 
-	for (k = 0; k < NB_POS; k++)
-	{
-		p1 = &rrixiy[pos];
-		p0 = &rrixiy[pos2];
-		cor = 0x00008000L;                        /* for rounding */
-		ptr_h1 = h;
-		ptr_h2 = ptr_hf;
+    for (k = 0; k < NB_POS; k++)
+    {
+        p1 = &rrixiy[pos];
+        p0 = &rrixiy[pos2];
+        cor = 0x00008000L;                        /* for rounding */
+        ptr_h1 = h;
+        ptr_h2 = ptr_hf;
 
-		for (i = (k + 1); i < NB_POS; i++)
-		{
-			cor += ((*ptr_h1) * (*ptr_h2))<<1;
-			ptr_h1++;
-			ptr_h2++;
-			*p1 = extract_h(cor);
-			cor += ((*ptr_h1) * (*ptr_h2))<<1;
-			ptr_h1++;
-			ptr_h2++;
-			*p0 = extract_h(cor);
+        for (i = (k + 1); i < NB_POS; i++)
+        {
+            cor += ((*ptr_h1) * (*ptr_h2))<<1;
+            ptr_h1++;
+            ptr_h2++;
+            *p1 = extract_h(cor);
+            cor += ((*ptr_h1) * (*ptr_h2))<<1;
+            ptr_h1++;
+            ptr_h2++;
+            *p0 = extract_h(cor);
 
-			p1 -= (NB_POS + 1);
-			p0 -= (NB_POS + 1);
-		}
-		cor += ((*ptr_h1) * (*ptr_h2))<<1;
-		ptr_h1++;
-		ptr_h2++;
-		*p1 = extract_h(cor);
+            p1 -= (NB_POS + 1);
+            p0 -= (NB_POS + 1);
+        }
+        cor += ((*ptr_h1) * (*ptr_h2))<<1;
+        ptr_h1++;
+        ptr_h2++;
+        *p1 = extract_h(cor);
 
-		pos -= NB_POS;
-		pos2--;
-		ptr_hf += STEP;
-	}
+        pos -= NB_POS;
+        pos2--;
+        ptr_hf += STEP;
+    }
 
-	/*------------------------------------------------------------*
-	 * Modification of rrixiy[][] to take signs into account.     *
-	 *------------------------------------------------------------*/
-	p0 = rrixiy;
-	for (i = 0; i < L_SUBFR; i += STEP)
-	{
-		psign = sign;
-		if (psign[i] < 0)
-		{
-			psign = vec;
-		}
-		for (j = 1; j < L_SUBFR; j += STEP)
-		{
-			*p0 = vo_mult(*p0, psign[j]);
-			p0++;
-		}
-	}
-	/*-------------------------------------------------------------------*
-	 * search 2 pulses:                                                  *
-	 * ~@~~~~~~~~~~~~~~                                                  *
-	 * 32 pos x 32 pos = 1024 tests (all combinaisons is tested)         *
-	 *-------------------------------------------------------------------*/
-	p0 = rrixix[0];
-	p1 = rrixix[1];
-	p2 = rrixiy;
+    /*------------------------------------------------------------*
+     * Modification of rrixiy[][] to take signs into account.     *
+     *------------------------------------------------------------*/
+    p0 = rrixiy;
+    for (i = 0; i < L_SUBFR; i += STEP)
+    {
+        psign = sign;
+        if (psign[i] < 0)
+        {
+            psign = vec;
+        }
+        for (j = 1; j < L_SUBFR; j += STEP)
+        {
+            *p0 = vo_mult(*p0, psign[j]);
+            p0++;
+        }
+    }
+    /*-------------------------------------------------------------------*
+     * search 2 pulses:                                                  *
+     * ~@~~~~~~~~~~~~~~                                                  *
+     * 32 pos x 32 pos = 1024 tests (all combinaisons is tested)         *
+     *-------------------------------------------------------------------*/
+    p0 = rrixix[0];
+    p1 = rrixix[1];
+    p2 = rrixiy;
 
-	psk = -1;
-	alpk = 1;
-	ix = 0;
-	iy = 1;
+    psk = -1;
+    alpk = 1;
+    ix = 0;
+    iy = 1;
 
-	for (i0 = 0; i0 < L_SUBFR; i0 += STEP)
-	{
-		ps1 = dn[i0];
-		alp1 = (*p0++);
-		pos = -1;
-		for (i1 = 1; i1 < L_SUBFR; i1 += STEP)
-		{
-			ps2 = add1(ps1, dn[i1]);
-			alp2 = add1(alp1, add1(*p1++, *p2++));
-			sq = vo_mult(ps2, ps2);
-			s = vo_L_mult(alpk, sq) - ((psk * alp2)<<1);
-			if (s > 0)
-			{
-				psk = sq;
-				alpk = alp2;
-				pos = i1;
-			}
-		}
-		p1 -= NB_POS;
-		if (pos >= 0)
-		{
-			ix = i0;
-			iy = pos;
-		}
-	}
-	/*-------------------------------------------------------------------*
-	 * Build the codeword, the filtered codeword and index of codevector.*
-	 *-------------------------------------------------------------------*/
+    for (i0 = 0; i0 < L_SUBFR; i0 += STEP)
+    {
+        ps1 = dn[i0];
+        alp1 = (*p0++);
+        pos = -1;
+        for (i1 = 1; i1 < L_SUBFR; i1 += STEP)
+        {
+            ps2 = add1(ps1, dn[i1]);
+            alp2 = add1(alp1, add1(*p1++, *p2++));
+            sq = vo_mult(ps2, ps2);
+            s = vo_L_mult(alpk, sq) - ((psk * alp2)<<1);
+            if (s > 0)
+            {
+                psk = sq;
+                alpk = alp2;
+                pos = i1;
+            }
+        }
+        p1 -= NB_POS;
+        if (pos >= 0)
+        {
+            ix = i0;
+            iy = pos;
+        }
+    }
+    /*-------------------------------------------------------------------*
+     * Build the codeword, the filtered codeword and index of codevector.*
+     *-------------------------------------------------------------------*/
 
-	for (i = 0; i < L_SUBFR; i++)
-	{
-		code[i] = 0;
-	}
+    for (i = 0; i < L_SUBFR; i++)
+    {
+        code[i] = 0;
+    }
 
-	i0 = (ix >> 1);                       /* pos of pulse 1 (0..31) */
-	i1 = (iy >> 1);                       /* pos of pulse 2 (0..31) */
-	if (sign[ix] > 0)
-	{
-		code[ix] = 512;                     /* codeword in Q9 format */
-		p0 = h - ix;
-	} else
-	{
-		code[ix] = -512;
-		i0 += NB_POS;
-		p0 = h_inv - ix;
-	}
-	if (sign[iy] > 0)
-	{
-		code[iy] = 512;
-		p1 = h - iy;
-	} else
-	{
-		code[iy] = -512;
-		i1 += NB_POS;
-		p1 = h_inv - iy;
-	}
-	*index = add1((i0 << 6), i1);
-	for (i = 0; i < L_SUBFR; i++)
-	{
-		y[i] = vo_shr_r(add1((*p0++), (*p1++)), 3);
-	}
-	return;
+    i0 = (ix >> 1);                       /* pos of pulse 1 (0..31) */
+    i1 = (iy >> 1);                       /* pos of pulse 2 (0..31) */
+    if (sign[ix] > 0)
+    {
+        code[ix] = 512;                     /* codeword in Q9 format */
+        p0 = h - ix;
+    } else
+    {
+        code[ix] = -512;
+        i0 += NB_POS;
+        p0 = h_inv - ix;
+    }
+    if (sign[iy] > 0)
+    {
+        code[iy] = 512;
+        p1 = h - iy;
+    } else
+    {
+        code[iy] = -512;
+        i1 += NB_POS;
+        p1 = h_inv - iy;
+    }
+    *index = add1((i0 << 6), i1);
+    for (i = 0; i < L_SUBFR; i++)
+    {
+        y[i] = vo_shr_r(add1((*p0++), (*p1++)), 3);
+    }
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/c4t64fx.c b/media/libstagefright/codecs/amrwbenc/src/c4t64fx.c
index 6505e5d..b9a9e26 100644
--- a/media/libstagefright/codecs/amrwbenc/src/c4t64fx.c
+++ b/media/libstagefright/codecs/amrwbenc/src/c4t64fx.c
@@ -17,7 +17,7 @@
 /***********************************************************************
 *      File: c4t64fx.c                                                 *
 *                                                                      *
-*	   Description:Performs algebraic codebook search for higher modes *
+*      Description:Performs algebraic codebook search for higher modes *
 *                                                                      *
 ************************************************************************/
 
@@ -48,15 +48,15 @@
 #include "q_pulse.h"
 
 static Word16 tipos[36] = {
-	0, 1, 2, 3,                            /* starting point &ipos[0], 1st iter */
-	1, 2, 3, 0,                            /* starting point &ipos[4], 2nd iter */
-	2, 3, 0, 1,                            /* starting point &ipos[8], 3rd iter */
-	3, 0, 1, 2,                            /* starting point &ipos[12], 4th iter */
-	0, 1, 2, 3,
-	1, 2, 3, 0,
-	2, 3, 0, 1,
-	3, 0, 1, 2,
-	0, 1, 2, 3};                           /* end point for 24 pulses &ipos[35], 4th iter */
+    0, 1, 2, 3,                            /* starting point &ipos[0], 1st iter */
+    1, 2, 3, 0,                            /* starting point &ipos[4], 2nd iter */
+    2, 3, 0, 1,                            /* starting point &ipos[8], 3rd iter */
+    3, 0, 1, 2,                            /* starting point &ipos[12], 4th iter */
+    0, 1, 2, 3,
+    1, 2, 3, 0,
+    2, 3, 0, 1,
+    3, 0, 1, 2,
+    0, 1, 2, 3};                           /* end point for 24 pulses &ipos[35], 4th iter */
 
 #define NB_PULSE_MAX  24
 
@@ -70,759 +70,759 @@
 
 /* Private functions */
 void cor_h_vec_012(
-		Word16 h[],                           /* (i) scaled impulse response                 */
-		Word16 vec[],                         /* (i) scaled vector (/8) to correlate with h[] */
-		Word16 track,                         /* (i) track to use                            */
-		Word16 sign[],                        /* (i) sign vector                             */
-		Word16 rrixix[][NB_POS],              /* (i) correlation of h[x] with h[x]      */
-		Word16 cor_1[],                       /* (o) result of correlation (NB_POS elements) */
-		Word16 cor_2[]                        /* (o) result of correlation (NB_POS elements) */
-		);
+        Word16 h[],                           /* (i) scaled impulse response                 */
+        Word16 vec[],                         /* (i) scaled vector (/8) to correlate with h[] */
+        Word16 track,                         /* (i) track to use                            */
+        Word16 sign[],                        /* (i) sign vector                             */
+        Word16 rrixix[][NB_POS],              /* (i) correlation of h[x] with h[x]      */
+        Word16 cor_1[],                       /* (o) result of correlation (NB_POS elements) */
+        Word16 cor_2[]                        /* (o) result of correlation (NB_POS elements) */
+        );
 
 void cor_h_vec_012_asm(
-		Word16 h[],                           /* (i) scaled impulse response                 */
-		Word16 vec[],                         /* (i) scaled vector (/8) to correlate with h[] */
-		Word16 track,                         /* (i) track to use                            */
-		Word16 sign[],                        /* (i) sign vector                             */
-		Word16 rrixix[][NB_POS],              /* (i) correlation of h[x] with h[x]      */
-		Word16 cor_1[],                       /* (o) result of correlation (NB_POS elements) */
-		Word16 cor_2[]                        /* (o) result of correlation (NB_POS elements) */
-		);
+        Word16 h[],                           /* (i) scaled impulse response                 */
+        Word16 vec[],                         /* (i) scaled vector (/8) to correlate with h[] */
+        Word16 track,                         /* (i) track to use                            */
+        Word16 sign[],                        /* (i) sign vector                             */
+        Word16 rrixix[][NB_POS],              /* (i) correlation of h[x] with h[x]      */
+        Word16 cor_1[],                       /* (o) result of correlation (NB_POS elements) */
+        Word16 cor_2[]                        /* (o) result of correlation (NB_POS elements) */
+        );
 
 void cor_h_vec_30(
-		Word16 h[],                           /* (i) scaled impulse response                 */
-		Word16 vec[],                         /* (i) scaled vector (/8) to correlate with h[] */
-		Word16 track,                         /* (i) track to use                            */
-		Word16 sign[],                        /* (i) sign vector                             */
-		Word16 rrixix[][NB_POS],              /* (i) correlation of h[x] with h[x]      */
-		Word16 cor_1[],                       /* (o) result of correlation (NB_POS elements) */
-		Word16 cor_2[]                        /* (o) result of correlation (NB_POS elements) */
-		);
+        Word16 h[],                           /* (i) scaled impulse response                 */
+        Word16 vec[],                         /* (i) scaled vector (/8) to correlate with h[] */
+        Word16 track,                         /* (i) track to use                            */
+        Word16 sign[],                        /* (i) sign vector                             */
+        Word16 rrixix[][NB_POS],              /* (i) correlation of h[x] with h[x]      */
+        Word16 cor_1[],                       /* (o) result of correlation (NB_POS elements) */
+        Word16 cor_2[]                        /* (o) result of correlation (NB_POS elements) */
+        );
 
 void search_ixiy(
-		Word16 nb_pos_ix,                     /* (i) nb of pos for pulse 1 (1..8)       */
-		Word16 track_x,                       /* (i) track of pulse 1                   */
-		Word16 track_y,                       /* (i) track of pulse 2                   */
-		Word16 * ps,                          /* (i/o) correlation of all fixed pulses  */
-		Word16 * alp,                         /* (i/o) energy of all fixed pulses       */
-		Word16 * ix,                          /* (o) position of pulse 1                */
-		Word16 * iy,                          /* (o) position of pulse 2                */
-		Word16 dn[],                          /* (i) corr. between target and h[]       */
-		Word16 dn2[],                         /* (i) vector of selected positions       */
-		Word16 cor_x[],                       /* (i) corr. of pulse 1 with fixed pulses */
-		Word16 cor_y[],                       /* (i) corr. of pulse 2 with fixed pulses */
-		Word16 rrixiy[][MSIZE]                /* (i) corr. of pulse 1 with pulse 2   */
-		);
+        Word16 nb_pos_ix,                     /* (i) nb of pos for pulse 1 (1..8)       */
+        Word16 track_x,                       /* (i) track of pulse 1                   */
+        Word16 track_y,                       /* (i) track of pulse 2                   */
+        Word16 * ps,                          /* (i/o) correlation of all fixed pulses  */
+        Word16 * alp,                         /* (i/o) energy of all fixed pulses       */
+        Word16 * ix,                          /* (o) position of pulse 1                */
+        Word16 * iy,                          /* (o) position of pulse 2                */
+        Word16 dn[],                          /* (i) corr. between target and h[]       */
+        Word16 dn2[],                         /* (i) vector of selected positions       */
+        Word16 cor_x[],                       /* (i) corr. of pulse 1 with fixed pulses */
+        Word16 cor_y[],                       /* (i) corr. of pulse 2 with fixed pulses */
+        Word16 rrixiy[][MSIZE]                /* (i) corr. of pulse 1 with pulse 2   */
+        );
 
 
 void ACELP_4t64_fx(
-		Word16 dn[],                          /* (i) <12b : correlation between target x[] and H[]      */
-		Word16 cn[],                          /* (i) <12b : residual after long term prediction         */
-		Word16 H[],                           /* (i) Q12: impulse response of weighted synthesis filter */
-		Word16 code[],                        /* (o) Q9 : algebraic (fixed) codebook excitation         */
-		Word16 y[],                           /* (o) Q9 : filtered fixed codebook excitation            */
-		Word16 nbbits,                        /* (i) : 20, 36, 44, 52, 64, 72 or 88 bits                */
-		Word16 ser_size,                      /* (i) : bit rate                                         */
-		Word16 _index[]                       /* (o) : index (20): 5+5+5+5 = 20 bits.                   */
-		/* (o) : index (36): 9+9+9+9 = 36 bits.                   */
-		/* (o) : index (44): 13+9+13+9 = 44 bits.                 */
-		/* (o) : index (52): 13+13+13+13 = 52 bits.               */
-		/* (o) : index (64): 2+2+2+2+14+14+14+14 = 64 bits.       */
-		/* (o) : index (72): 10+2+10+2+10+14+10+14 = 72 bits.     */
-		/* (o) : index (88): 11+11+11+11+11+11+11+11 = 88 bits.   */
-		)
+        Word16 dn[],                          /* (i) <12b : correlation between target x[] and H[]      */
+        Word16 cn[],                          /* (i) <12b : residual after long term prediction         */
+        Word16 H[],                           /* (i) Q12: impulse response of weighted synthesis filter */
+        Word16 code[],                        /* (o) Q9 : algebraic (fixed) codebook excitation         */
+        Word16 y[],                           /* (o) Q9 : filtered fixed codebook excitation            */
+        Word16 nbbits,                        /* (i) : 20, 36, 44, 52, 64, 72 or 88 bits                */
+        Word16 ser_size,                      /* (i) : bit rate                                         */
+        Word16 _index[]                       /* (o) : index (20): 5+5+5+5 = 20 bits.                   */
+        /* (o) : index (36): 9+9+9+9 = 36 bits.                   */
+        /* (o) : index (44): 13+9+13+9 = 44 bits.                 */
+        /* (o) : index (52): 13+13+13+13 = 52 bits.               */
+        /* (o) : index (64): 2+2+2+2+14+14+14+14 = 64 bits.       */
+        /* (o) : index (72): 10+2+10+2+10+14+10+14 = 72 bits.     */
+        /* (o) : index (88): 11+11+11+11+11+11+11+11 = 88 bits.   */
+        )
 {
-	Word32 i, j, k;
-	Word16 st, ix, iy, pos, index, track, nb_pulse, nbiter, j_temp;
-	Word16 psk, ps, alpk, alp, val, k_cn, k_dn, exp;
-	Word16 *p0, *p1, *p2, *p3, *psign;
-	Word16 *h, *h_inv, *ptr_h1, *ptr_h2, *ptr_hf, h_shift;
-	Word32 s, cor, L_tmp, L_index;
-	Word16 dn2[L_SUBFR], sign[L_SUBFR], vec[L_SUBFR];
-	Word16 ind[NPMAXPT * NB_TRACK];
-	Word16 codvec[NB_PULSE_MAX], nbpos[10];
-	Word16 cor_x[NB_POS], cor_y[NB_POS], pos_max[NB_TRACK];
-	Word16 h_buf[4 * L_SUBFR];
-	Word16 rrixix[NB_TRACK][NB_POS], rrixiy[NB_TRACK][MSIZE];
-	Word16 ipos[NB_PULSE_MAX];
+    Word32 i, j, k;
+    Word16 st, ix, iy, pos, index, track, nb_pulse, nbiter, j_temp;
+    Word16 psk, ps, alpk, alp, val, k_cn, k_dn, exp;
+    Word16 *p0, *p1, *p2, *p3, *psign;
+    Word16 *h, *h_inv, *ptr_h1, *ptr_h2, *ptr_hf, h_shift;
+    Word32 s, cor, L_tmp, L_index;
+    Word16 dn2[L_SUBFR], sign[L_SUBFR], vec[L_SUBFR];
+    Word16 ind[NPMAXPT * NB_TRACK];
+    Word16 codvec[NB_PULSE_MAX], nbpos[10];
+    Word16 cor_x[NB_POS], cor_y[NB_POS], pos_max[NB_TRACK];
+    Word16 h_buf[4 * L_SUBFR];
+    Word16 rrixix[NB_TRACK][NB_POS], rrixiy[NB_TRACK][MSIZE];
+    Word16 ipos[NB_PULSE_MAX];
 
-	switch (nbbits)
-	{
-		case 20:                               /* 20 bits, 4 pulses, 4 tracks */
-			nbiter = 4;                          /* 4x16x16=1024 loop */
-			alp = 8192;                          /* alp = 2.0 (Q12) */
-			nb_pulse = 4;
-			nbpos[0] = 4;
-			nbpos[1] = 8;
-			break;
-		case 36:                               /* 36 bits, 8 pulses, 4 tracks */
-			nbiter = 4;                          /* 4x20x16=1280 loop */
-			alp = 4096;                          /* alp = 1.0 (Q12) */
-			nb_pulse = 8;
-			nbpos[0] = 4;
-			nbpos[1] = 8;
-			nbpos[2] = 8;
-			break;
-		case 44:                               /* 44 bits, 10 pulses, 4 tracks */
-			nbiter = 4;                          /* 4x26x16=1664 loop */
-			alp = 4096;                          /* alp = 1.0 (Q12) */
-			nb_pulse = 10;
-			nbpos[0] = 4;
-			nbpos[1] = 6;
-			nbpos[2] = 8;
-			nbpos[3] = 8;
-			break;
-		case 52:                               /* 52 bits, 12 pulses, 4 tracks */
-			nbiter = 4;                          /* 4x26x16=1664 loop */
-			alp = 4096;                          /* alp = 1.0 (Q12) */
-			nb_pulse = 12;
-			nbpos[0] = 4;
-			nbpos[1] = 6;
-			nbpos[2] = 8;
-			nbpos[3] = 8;
-			break;
-		case 64:                               /* 64 bits, 16 pulses, 4 tracks */
-			nbiter = 3;                          /* 3x36x16=1728 loop */
-			alp = 3277;                          /* alp = 0.8 (Q12) */
-			nb_pulse = 16;
-			nbpos[0] = 4;
-			nbpos[1] = 4;
-			nbpos[2] = 6;
-			nbpos[3] = 6;
-			nbpos[4] = 8;
-			nbpos[5] = 8;
-			break;
-		case 72:                               /* 72 bits, 18 pulses, 4 tracks */
-			nbiter = 3;                          /* 3x35x16=1680 loop */
-			alp = 3072;                          /* alp = 0.75 (Q12) */
-			nb_pulse = 18;
-			nbpos[0] = 2;
-			nbpos[1] = 3;
-			nbpos[2] = 4;
-			nbpos[3] = 5;
-			nbpos[4] = 6;
-			nbpos[5] = 7;
-			nbpos[6] = 8;
-			break;
-		case 88:                               /* 88 bits, 24 pulses, 4 tracks */
-			if(ser_size > 462)
-				nbiter = 1;
-			else
-				nbiter = 2;                    /* 2x53x16=1696 loop */
+    switch (nbbits)
+    {
+        case 20:                               /* 20 bits, 4 pulses, 4 tracks */
+            nbiter = 4;                          /* 4x16x16=1024 loop */
+            alp = 8192;                          /* alp = 2.0 (Q12) */
+            nb_pulse = 4;
+            nbpos[0] = 4;
+            nbpos[1] = 8;
+            break;
+        case 36:                               /* 36 bits, 8 pulses, 4 tracks */
+            nbiter = 4;                          /* 4x20x16=1280 loop */
+            alp = 4096;                          /* alp = 1.0 (Q12) */
+            nb_pulse = 8;
+            nbpos[0] = 4;
+            nbpos[1] = 8;
+            nbpos[2] = 8;
+            break;
+        case 44:                               /* 44 bits, 10 pulses, 4 tracks */
+            nbiter = 4;                          /* 4x26x16=1664 loop */
+            alp = 4096;                          /* alp = 1.0 (Q12) */
+            nb_pulse = 10;
+            nbpos[0] = 4;
+            nbpos[1] = 6;
+            nbpos[2] = 8;
+            nbpos[3] = 8;
+            break;
+        case 52:                               /* 52 bits, 12 pulses, 4 tracks */
+            nbiter = 4;                          /* 4x26x16=1664 loop */
+            alp = 4096;                          /* alp = 1.0 (Q12) */
+            nb_pulse = 12;
+            nbpos[0] = 4;
+            nbpos[1] = 6;
+            nbpos[2] = 8;
+            nbpos[3] = 8;
+            break;
+        case 64:                               /* 64 bits, 16 pulses, 4 tracks */
+            nbiter = 3;                          /* 3x36x16=1728 loop */
+            alp = 3277;                          /* alp = 0.8 (Q12) */
+            nb_pulse = 16;
+            nbpos[0] = 4;
+            nbpos[1] = 4;
+            nbpos[2] = 6;
+            nbpos[3] = 6;
+            nbpos[4] = 8;
+            nbpos[5] = 8;
+            break;
+        case 72:                               /* 72 bits, 18 pulses, 4 tracks */
+            nbiter = 3;                          /* 3x35x16=1680 loop */
+            alp = 3072;                          /* alp = 0.75 (Q12) */
+            nb_pulse = 18;
+            nbpos[0] = 2;
+            nbpos[1] = 3;
+            nbpos[2] = 4;
+            nbpos[3] = 5;
+            nbpos[4] = 6;
+            nbpos[5] = 7;
+            nbpos[6] = 8;
+            break;
+        case 88:                               /* 88 bits, 24 pulses, 4 tracks */
+            if(ser_size > 462)
+                nbiter = 1;
+            else
+                nbiter = 2;                    /* 2x53x16=1696 loop */
 
-			alp = 2048;                          /* alp = 0.5 (Q12) */
-			nb_pulse = 24;
-			nbpos[0] = 2;
-			nbpos[1] = 2;
-			nbpos[2] = 3;
-			nbpos[3] = 4;
-			nbpos[4] = 5;
-			nbpos[5] = 6;
-			nbpos[6] = 7;
-			nbpos[7] = 8;
-			nbpos[8] = 8;
-			nbpos[9] = 8;
-			break;
-		default:
-			nbiter = 0;
-			alp = 0;
-			nb_pulse = 0;
-	}
+            alp = 2048;                          /* alp = 0.5 (Q12) */
+            nb_pulse = 24;
+            nbpos[0] = 2;
+            nbpos[1] = 2;
+            nbpos[2] = 3;
+            nbpos[3] = 4;
+            nbpos[4] = 5;
+            nbpos[5] = 6;
+            nbpos[6] = 7;
+            nbpos[7] = 8;
+            nbpos[8] = 8;
+            nbpos[9] = 8;
+            break;
+        default:
+            nbiter = 0;
+            alp = 0;
+            nb_pulse = 0;
+    }
 
-	for (i = 0; i < nb_pulse; i++)
-	{
-		codvec[i] = i;
-	}
+    for (i = 0; i < nb_pulse; i++)
+    {
+        codvec[i] = i;
+    }
 
-	/*----------------------------------------------------------------*
-	 * Find sign for each pulse position.                             *
-	 *----------------------------------------------------------------*/
-	/* calculate energy for normalization of cn[] and dn[] */
-	/* set k_cn = 32..32767 (ener_cn = 2^30..256-0) */
+    /*----------------------------------------------------------------*
+     * Find sign for each pulse position.                             *
+     *----------------------------------------------------------------*/
+    /* calculate energy for normalization of cn[] and dn[] */
+    /* set k_cn = 32..32767 (ener_cn = 2^30..256-0) */
 #ifdef ASM_OPT                  /* asm optimization branch */
-	s = Dot_product12_asm(cn, cn, L_SUBFR, &exp);
+    s = Dot_product12_asm(cn, cn, L_SUBFR, &exp);
 #else
-	s = Dot_product12(cn, cn, L_SUBFR, &exp);
+    s = Dot_product12(cn, cn, L_SUBFR, &exp);
 #endif
 
-	Isqrt_n(&s, &exp);
-	s = L_shl(s, (exp + 5));
-	k_cn = extract_h(L_add(s, 0x8000));
+    Isqrt_n(&s, &exp);
+    s = L_shl(s, (exp + 5));
+    k_cn = extract_h(L_add(s, 0x8000));
 
-	/* set k_dn = 32..512 (ener_dn = 2^30..2^22) */
+    /* set k_dn = 32..512 (ener_dn = 2^30..2^22) */
 #ifdef ASM_OPT                      /* asm optimization branch */
-	s = Dot_product12_asm(dn, dn, L_SUBFR, &exp);
+    s = Dot_product12_asm(dn, dn, L_SUBFR, &exp);
 #else
-	s = Dot_product12(dn, dn, L_SUBFR, &exp);
+    s = Dot_product12(dn, dn, L_SUBFR, &exp);
 #endif
 
-	Isqrt_n(&s, &exp);
-	k_dn = (L_shl(s, (exp + 5 + 3)) + 0x8000) >> 16;    /* k_dn = 256..4096 */
-	k_dn = vo_mult_r(alp, k_dn);              /* alp in Q12 */
+    Isqrt_n(&s, &exp);
+    k_dn = (L_shl(s, (exp + 5 + 3)) + 0x8000) >> 16;    /* k_dn = 256..4096 */
+    k_dn = vo_mult_r(alp, k_dn);              /* alp in Q12 */
 
-	/* mix normalized cn[] and dn[] */
-	p0 = cn;
-	p1 = dn;
-	p2 = dn2;
+    /* mix normalized cn[] and dn[] */
+    p0 = cn;
+    p1 = dn;
+    p2 = dn2;
 
-	for (i = 0; i < L_SUBFR/4; i++)
-	{
-		s = (k_cn* (*p0++))+(k_dn * (*p1++));
-		*p2++ = s >> 7;
-		s = (k_cn* (*p0++))+(k_dn * (*p1++));
-		*p2++ = s >> 7;
-		s = (k_cn* (*p0++))+(k_dn * (*p1++));
-		*p2++ = s >> 7;
-		s = (k_cn* (*p0++))+(k_dn * (*p1++));
-		*p2++ = s >> 7;
-	}
+    for (i = 0; i < L_SUBFR/4; i++)
+    {
+        s = (k_cn* (*p0++))+(k_dn * (*p1++));
+        *p2++ = s >> 7;
+        s = (k_cn* (*p0++))+(k_dn * (*p1++));
+        *p2++ = s >> 7;
+        s = (k_cn* (*p0++))+(k_dn * (*p1++));
+        *p2++ = s >> 7;
+        s = (k_cn* (*p0++))+(k_dn * (*p1++));
+        *p2++ = s >> 7;
+    }
 
-	/* set sign according to dn2[] = k_cn*cn[] + k_dn*dn[]    */
-	for(i = 0; i < L_SUBFR; i++)
-	{
-		val = dn[i];
-		ps = dn2[i];
-		if (ps >= 0)
-		{
-			sign[i] = 32767;             /* sign = +1 (Q12) */
-			vec[i] = -32768;
-		} else
-		{
-			sign[i] = -32768;            /* sign = -1 (Q12) */
-			vec[i] = 32767;
-			dn[i] = -val;
-			dn2[i] = -ps;
-		}
-	}
-	/*----------------------------------------------------------------*
-	 * Select NB_MAX position per track according to max of dn2[].    *
-	 *----------------------------------------------------------------*/
-	pos = 0;
-	for (i = 0; i < NB_TRACK; i++)
-	{
-		for (k = 0; k < NB_MAX; k++)
-		{
-			ps = -1;
-			for (j = i; j < L_SUBFR; j += STEP)
-			{
-				if(dn2[j] > ps)
-				{
-					ps = dn2[j];
-					pos = j;
-				}
-			}
-			dn2[pos] = (k - NB_MAX);     /* dn2 < 0 when position is selected */
-			if (k == 0)
-			{
-				pos_max[i] = pos;
-			}
-		}
-	}
+    /* set sign according to dn2[] = k_cn*cn[] + k_dn*dn[]    */
+    for(i = 0; i < L_SUBFR; i++)
+    {
+        val = dn[i];
+        ps = dn2[i];
+        if (ps >= 0)
+        {
+            sign[i] = 32767;             /* sign = +1 (Q12) */
+            vec[i] = -32768;
+        } else
+        {
+            sign[i] = -32768;            /* sign = -1 (Q12) */
+            vec[i] = 32767;
+            dn[i] = -val;
+            dn2[i] = -ps;
+        }
+    }
+    /*----------------------------------------------------------------*
+     * Select NB_MAX position per track according to max of dn2[].    *
+     *----------------------------------------------------------------*/
+    pos = 0;
+    for (i = 0; i < NB_TRACK; i++)
+    {
+        for (k = 0; k < NB_MAX; k++)
+        {
+            ps = -1;
+            for (j = i; j < L_SUBFR; j += STEP)
+            {
+                if(dn2[j] > ps)
+                {
+                    ps = dn2[j];
+                    pos = j;
+                }
+            }
+            dn2[pos] = (k - NB_MAX);     /* dn2 < 0 when position is selected */
+            if (k == 0)
+            {
+                pos_max[i] = pos;
+            }
+        }
+    }
 
-	/*--------------------------------------------------------------*
-	 * Scale h[] to avoid overflow and to get maximum of precision  *
-	 * on correlation.                                              *
-	 *                                                              *
-	 * Maximum of h[] (h[0]) is fixed to 2048 (MAX16 / 16).         *
-	 *  ==> This allow addition of 16 pulses without saturation.    *
-	 *                                                              *
-	 * Energy worst case (on resonant impulse response),            *
-	 * - energy of h[] is approximately MAX/16.                     *
-	 * - During search, the energy is divided by 8 to avoid         *
-	 *   overflow on "alp". (energy of h[] = MAX/128).              *
-	 *  ==> "alp" worst case detected is 22854 on sinusoidal wave.  *
-	 *--------------------------------------------------------------*/
+    /*--------------------------------------------------------------*
+     * Scale h[] to avoid overflow and to get maximum of precision  *
+     * on correlation.                                              *
+     *                                                              *
+     * Maximum of h[] (h[0]) is fixed to 2048 (MAX16 / 16).         *
+     *  ==> This allow addition of 16 pulses without saturation.    *
+     *                                                              *
+     * Energy worst case (on resonant impulse response),            *
+     * - energy of h[] is approximately MAX/16.                     *
+     * - During search, the energy is divided by 8 to avoid         *
+     *   overflow on "alp". (energy of h[] = MAX/128).              *
+     *  ==> "alp" worst case detected is 22854 on sinusoidal wave.  *
+     *--------------------------------------------------------------*/
 
-	/* impulse response buffer for fast computation */
+    /* impulse response buffer for fast computation */
 
-	h = h_buf;
-	h_inv = h_buf + (2 * L_SUBFR);
-	L_tmp = 0;
-	for (i = 0; i < L_SUBFR; i++)
-	{
-		*h++ = 0;
-		*h_inv++ = 0;
-		L_tmp += (H[i] * H[i]) << 1;
-	}
-	/* scale h[] down (/2) when energy of h[] is high with many pulses used */
-	val = extract_h(L_tmp);
-	h_shift = 0;
+    h = h_buf;
+    h_inv = h_buf + (2 * L_SUBFR);
+    L_tmp = 0;
+    for (i = 0; i < L_SUBFR; i++)
+    {
+        *h++ = 0;
+        *h_inv++ = 0;
+        L_tmp += (H[i] * H[i]) << 1;
+    }
+    /* scale h[] down (/2) when energy of h[] is high with many pulses used */
+    val = extract_h(L_tmp);
+    h_shift = 0;
 
-	if ((nb_pulse >= 12) && (val > 1024))
-	{
-		h_shift = 1;
-	}
-	p0 = H;
-	p1 = h;
-	p2 = h_inv;
+    if ((nb_pulse >= 12) && (val > 1024))
+    {
+        h_shift = 1;
+    }
+    p0 = H;
+    p1 = h;
+    p2 = h_inv;
 
-	for (i = 0; i < L_SUBFR/4; i++)
-	{
-		*p1 = *p0++ >> h_shift;
-		*p2++ = -(*p1++);
-		*p1 = *p0++ >> h_shift;
-		*p2++ = -(*p1++);
-		*p1 = *p0++ >> h_shift;
-		*p2++ = -(*p1++);
-		*p1 = *p0++ >> h_shift;
-		*p2++ = -(*p1++);
-	}
+    for (i = 0; i < L_SUBFR/4; i++)
+    {
+        *p1 = *p0++ >> h_shift;
+        *p2++ = -(*p1++);
+        *p1 = *p0++ >> h_shift;
+        *p2++ = -(*p1++);
+        *p1 = *p0++ >> h_shift;
+        *p2++ = -(*p1++);
+        *p1 = *p0++ >> h_shift;
+        *p2++ = -(*p1++);
+    }
 
-	/*------------------------------------------------------------*
-	 * Compute rrixix[][] needed for the codebook search.         *
-	 * This algorithm compute impulse response energy of all      *
-	 * positions (16) in each track (4).       Total = 4x16 = 64. *
-	 *------------------------------------------------------------*/
+    /*------------------------------------------------------------*
+     * Compute rrixix[][] needed for the codebook search.         *
+     * This algorithm compute impulse response energy of all      *
+     * positions (16) in each track (4).       Total = 4x16 = 64. *
+     *------------------------------------------------------------*/
 
-	/* storage order --> i3i3, i2i2, i1i1, i0i0 */
+    /* storage order --> i3i3, i2i2, i1i1, i0i0 */
 
-	/* Init pointers to last position of rrixix[] */
-	p0 = &rrixix[0][NB_POS - 1];
-	p1 = &rrixix[1][NB_POS - 1];
-	p2 = &rrixix[2][NB_POS - 1];
-	p3 = &rrixix[3][NB_POS - 1];
+    /* Init pointers to last position of rrixix[] */
+    p0 = &rrixix[0][NB_POS - 1];
+    p1 = &rrixix[1][NB_POS - 1];
+    p2 = &rrixix[2][NB_POS - 1];
+    p3 = &rrixix[3][NB_POS - 1];
 
-	ptr_h1 = h;
-	cor = 0x00008000L;                             /* for rounding */
-	for (i = 0; i < NB_POS; i++)
-	{
-		cor += vo_L_mult((*ptr_h1), (*ptr_h1));
-		ptr_h1++;
-		*p3-- = extract_h(cor);
-		cor += vo_L_mult((*ptr_h1), (*ptr_h1));
-		ptr_h1++;
-		*p2-- = extract_h(cor);
-		cor += vo_L_mult((*ptr_h1), (*ptr_h1));
-		ptr_h1++;
-		*p1-- = extract_h(cor);
-		cor += vo_L_mult((*ptr_h1), (*ptr_h1));
-		ptr_h1++;
-		*p0-- = extract_h(cor);
-	}
+    ptr_h1 = h;
+    cor = 0x00008000L;                             /* for rounding */
+    for (i = 0; i < NB_POS; i++)
+    {
+        cor += vo_L_mult((*ptr_h1), (*ptr_h1));
+        ptr_h1++;
+        *p3-- = extract_h(cor);
+        cor += vo_L_mult((*ptr_h1), (*ptr_h1));
+        ptr_h1++;
+        *p2-- = extract_h(cor);
+        cor += vo_L_mult((*ptr_h1), (*ptr_h1));
+        ptr_h1++;
+        *p1-- = extract_h(cor);
+        cor += vo_L_mult((*ptr_h1), (*ptr_h1));
+        ptr_h1++;
+        *p0-- = extract_h(cor);
+    }
 
-	/*------------------------------------------------------------*
-	 * Compute rrixiy[][] needed for the codebook search.         *
-	 * This algorithm compute correlation between 2 pulses        *
-	 * (2 impulses responses) in 4 possible adjacents tracks.     *
-	 * (track 0-1, 1-2, 2-3 and 3-0).     Total = 4x16x16 = 1024. *
-	 *------------------------------------------------------------*/
+    /*------------------------------------------------------------*
+     * Compute rrixiy[][] needed for the codebook search.         *
+     * This algorithm compute correlation between 2 pulses        *
+     * (2 impulses responses) in 4 possible adjacents tracks.     *
+     * (track 0-1, 1-2, 2-3 and 3-0).     Total = 4x16x16 = 1024. *
+     *------------------------------------------------------------*/
 
-	/* storage order --> i2i3, i1i2, i0i1, i3i0 */
+    /* storage order --> i2i3, i1i2, i0i1, i3i0 */
 
-	pos = MSIZE - 1;
-	ptr_hf = h + 1;
+    pos = MSIZE - 1;
+    ptr_hf = h + 1;
 
-	for (k = 0; k < NB_POS; k++)
-	{
-		p3 = &rrixiy[2][pos];
-		p2 = &rrixiy[1][pos];
-		p1 = &rrixiy[0][pos];
-		p0 = &rrixiy[3][pos - NB_POS];
+    for (k = 0; k < NB_POS; k++)
+    {
+        p3 = &rrixiy[2][pos];
+        p2 = &rrixiy[1][pos];
+        p1 = &rrixiy[0][pos];
+        p0 = &rrixiy[3][pos - NB_POS];
 
-		cor = 0x00008000L;                   /* for rounding */
-		ptr_h1 = h;
-		ptr_h2 = ptr_hf;
+        cor = 0x00008000L;                   /* for rounding */
+        ptr_h1 = h;
+        ptr_h2 = ptr_hf;
 
-		for (i = k + 1; i < NB_POS; i++)
-		{
-			cor += vo_L_mult((*ptr_h1), (*ptr_h2));
-			ptr_h1++;
-			ptr_h2++;
-			*p3 = extract_h(cor);
-			cor += vo_L_mult((*ptr_h1), (*ptr_h2));
-			ptr_h1++;
-			ptr_h2++;
-			*p2 = extract_h(cor);
-			cor += vo_L_mult((*ptr_h1), (*ptr_h2));
-			ptr_h1++;
-			ptr_h2++;
-			*p1 = extract_h(cor);
-			cor += vo_L_mult((*ptr_h1), (*ptr_h2));
-			ptr_h1++;
-			ptr_h2++;
-			*p0 = extract_h(cor);
+        for (i = k + 1; i < NB_POS; i++)
+        {
+            cor += vo_L_mult((*ptr_h1), (*ptr_h2));
+            ptr_h1++;
+            ptr_h2++;
+            *p3 = extract_h(cor);
+            cor += vo_L_mult((*ptr_h1), (*ptr_h2));
+            ptr_h1++;
+            ptr_h2++;
+            *p2 = extract_h(cor);
+            cor += vo_L_mult((*ptr_h1), (*ptr_h2));
+            ptr_h1++;
+            ptr_h2++;
+            *p1 = extract_h(cor);
+            cor += vo_L_mult((*ptr_h1), (*ptr_h2));
+            ptr_h1++;
+            ptr_h2++;
+            *p0 = extract_h(cor);
 
-			p3 -= (NB_POS + 1);
-			p2 -= (NB_POS + 1);
-			p1 -= (NB_POS + 1);
-			p0 -= (NB_POS + 1);
-		}
-		cor += vo_L_mult((*ptr_h1), (*ptr_h2));
-		ptr_h1++;
-		ptr_h2++;
-		*p3 = extract_h(cor);
-		cor += vo_L_mult((*ptr_h1), (*ptr_h2));
-		ptr_h1++;
-		ptr_h2++;
-		*p2 = extract_h(cor);
-		cor += vo_L_mult((*ptr_h1), (*ptr_h2));
-		ptr_h1++;
-		ptr_h2++;
-		*p1 = extract_h(cor);
+            p3 -= (NB_POS + 1);
+            p2 -= (NB_POS + 1);
+            p1 -= (NB_POS + 1);
+            p0 -= (NB_POS + 1);
+        }
+        cor += vo_L_mult((*ptr_h1), (*ptr_h2));
+        ptr_h1++;
+        ptr_h2++;
+        *p3 = extract_h(cor);
+        cor += vo_L_mult((*ptr_h1), (*ptr_h2));
+        ptr_h1++;
+        ptr_h2++;
+        *p2 = extract_h(cor);
+        cor += vo_L_mult((*ptr_h1), (*ptr_h2));
+        ptr_h1++;
+        ptr_h2++;
+        *p1 = extract_h(cor);
 
-		pos -= NB_POS;
-		ptr_hf += STEP;
-	}
+        pos -= NB_POS;
+        ptr_hf += STEP;
+    }
 
-	/* storage order --> i3i0, i2i3, i1i2, i0i1 */
+    /* storage order --> i3i0, i2i3, i1i2, i0i1 */
 
-	pos = MSIZE - 1;
-	ptr_hf = h + 3;
+    pos = MSIZE - 1;
+    ptr_hf = h + 3;
 
-	for (k = 0; k < NB_POS; k++)
-	{
-		p3 = &rrixiy[3][pos];
-		p2 = &rrixiy[2][pos - 1];
-		p1 = &rrixiy[1][pos - 1];
-		p0 = &rrixiy[0][pos - 1];
+    for (k = 0; k < NB_POS; k++)
+    {
+        p3 = &rrixiy[3][pos];
+        p2 = &rrixiy[2][pos - 1];
+        p1 = &rrixiy[1][pos - 1];
+        p0 = &rrixiy[0][pos - 1];
 
-		cor = 0x00008000L;								/* for rounding */
-		ptr_h1 = h;
-		ptr_h2 = ptr_hf;
+        cor = 0x00008000L;                              /* for rounding */
+        ptr_h1 = h;
+        ptr_h2 = ptr_hf;
 
-		for (i = k + 1; i < NB_POS; i++)
-		{
-			cor += vo_L_mult((*ptr_h1), (*ptr_h2));
-			ptr_h1++;
-			ptr_h2++;
-			*p3 = extract_h(cor);
-			cor += vo_L_mult((*ptr_h1), (*ptr_h2));
-			ptr_h1++;
-			ptr_h2++;
-			*p2 = extract_h(cor);
-			cor += vo_L_mult((*ptr_h1), (*ptr_h2));
-			ptr_h1++;
-			ptr_h2++;
-			*p1 = extract_h(cor);
-			cor += vo_L_mult((*ptr_h1), (*ptr_h2));
-			ptr_h1++;
-			ptr_h2++;
-			*p0 = extract_h(cor);
+        for (i = k + 1; i < NB_POS; i++)
+        {
+            cor += vo_L_mult((*ptr_h1), (*ptr_h2));
+            ptr_h1++;
+            ptr_h2++;
+            *p3 = extract_h(cor);
+            cor += vo_L_mult((*ptr_h1), (*ptr_h2));
+            ptr_h1++;
+            ptr_h2++;
+            *p2 = extract_h(cor);
+            cor += vo_L_mult((*ptr_h1), (*ptr_h2));
+            ptr_h1++;
+            ptr_h2++;
+            *p1 = extract_h(cor);
+            cor += vo_L_mult((*ptr_h1), (*ptr_h2));
+            ptr_h1++;
+            ptr_h2++;
+            *p0 = extract_h(cor);
 
-			p3 -= (NB_POS + 1);
-			p2 -= (NB_POS + 1);
-			p1 -= (NB_POS + 1);
-			p0 -= (NB_POS + 1);
-		}
-		cor += vo_L_mult((*ptr_h1), (*ptr_h2));
-		ptr_h1++;
-		ptr_h2++;
-		*p3 = extract_h(cor);
+            p3 -= (NB_POS + 1);
+            p2 -= (NB_POS + 1);
+            p1 -= (NB_POS + 1);
+            p0 -= (NB_POS + 1);
+        }
+        cor += vo_L_mult((*ptr_h1), (*ptr_h2));
+        ptr_h1++;
+        ptr_h2++;
+        *p3 = extract_h(cor);
 
-		pos--;
-		ptr_hf += STEP;
-	}
+        pos--;
+        ptr_hf += STEP;
+    }
 
-	/*------------------------------------------------------------*
-	 * Modification of rrixiy[][] to take signs into account.     *
-	 *------------------------------------------------------------*/
+    /*------------------------------------------------------------*
+     * Modification of rrixiy[][] to take signs into account.     *
+     *------------------------------------------------------------*/
 
-	p0 = &rrixiy[0][0];
+    p0 = &rrixiy[0][0];
 
-	for (k = 0; k < NB_TRACK; k++)
-	{
-		j_temp = (k + 1)&0x03;
-		for (i = k; i < L_SUBFR; i += STEP)
-		{
-			psign = sign;
-			if (psign[i] < 0)
-			{
-				psign = vec;
-			}
-			j = j_temp;
-			for (; j < L_SUBFR; j += STEP)
-			{
-				*p0 = vo_mult(*p0, psign[j]);
-				p0++;
-			}
-		}
-	}
+    for (k = 0; k < NB_TRACK; k++)
+    {
+        j_temp = (k + 1)&0x03;
+        for (i = k; i < L_SUBFR; i += STEP)
+        {
+            psign = sign;
+            if (psign[i] < 0)
+            {
+                psign = vec;
+            }
+            j = j_temp;
+            for (; j < L_SUBFR; j += STEP)
+            {
+                *p0 = vo_mult(*p0, psign[j]);
+                p0++;
+            }
+        }
+    }
 
-	/*-------------------------------------------------------------------*
-	 *                       Deep first search                           *
-	 *-------------------------------------------------------------------*/
+    /*-------------------------------------------------------------------*
+     *                       Deep first search                           *
+     *-------------------------------------------------------------------*/
 
-	psk = -1;
-	alpk = 1;
+    psk = -1;
+    alpk = 1;
 
-	for (k = 0; k < nbiter; k++)
-	{
-		j_temp = k<<2;
-		for (i = 0; i < nb_pulse; i++)
-			ipos[i] = tipos[j_temp + i];
+    for (k = 0; k < nbiter; k++)
+    {
+        j_temp = k<<2;
+        for (i = 0; i < nb_pulse; i++)
+            ipos[i] = tipos[j_temp + i];
 
-		if(nbbits == 20)
-		{
-			pos = 0;
-			ps = 0;
-			alp = 0;
-			for (i = 0; i < L_SUBFR; i++)
-			{
-				vec[i] = 0;
-			}
-		} else if ((nbbits == 36) || (nbbits == 44))
-		{
-			/* first stage: fix 2 pulses */
-			pos = 2;
+        if(nbbits == 20)
+        {
+            pos = 0;
+            ps = 0;
+            alp = 0;
+            for (i = 0; i < L_SUBFR; i++)
+            {
+                vec[i] = 0;
+            }
+        } else if ((nbbits == 36) || (nbbits == 44))
+        {
+            /* first stage: fix 2 pulses */
+            pos = 2;
 
-			ix = ind[0] = pos_max[ipos[0]];
-			iy = ind[1] = pos_max[ipos[1]];
-			ps = dn[ix] + dn[iy];
-			i = ix >> 2;                /* ix / STEP */
-			j = iy >> 2;                /* iy / STEP */
-			s = rrixix[ipos[0]][i] << 13;
-			s += rrixix[ipos[1]][j] << 13;
-			i = (i << 4) + j;         /* (ix/STEP)*NB_POS + (iy/STEP) */
-			s += rrixiy[ipos[0]][i] << 14;
-			alp = (s + 0x8000) >> 16;
-			if (sign[ix] < 0)
-				p0 = h_inv - ix;
-			else
-				p0 = h - ix;
-			if (sign[iy] < 0)
-				p1 = h_inv - iy;
-			else
-				p1 = h - iy;
+            ix = ind[0] = pos_max[ipos[0]];
+            iy = ind[1] = pos_max[ipos[1]];
+            ps = dn[ix] + dn[iy];
+            i = ix >> 2;                /* ix / STEP */
+            j = iy >> 2;                /* iy / STEP */
+            s = rrixix[ipos[0]][i] << 13;
+            s += rrixix[ipos[1]][j] << 13;
+            i = (i << 4) + j;         /* (ix/STEP)*NB_POS + (iy/STEP) */
+            s += rrixiy[ipos[0]][i] << 14;
+            alp = (s + 0x8000) >> 16;
+            if (sign[ix] < 0)
+                p0 = h_inv - ix;
+            else
+                p0 = h - ix;
+            if (sign[iy] < 0)
+                p1 = h_inv - iy;
+            else
+                p1 = h - iy;
 
-			for (i = 0; i < L_SUBFR; i++)
-			{
-				vec[i] = (*p0++) + (*p1++);
-			}
+            for (i = 0; i < L_SUBFR; i++)
+            {
+                vec[i] = (*p0++) + (*p1++);
+            }
 
-			if(nbbits == 44)
-			{
-				ipos[8] = 0;
-				ipos[9] = 1;
-			}
-		} else
-		{
-			/* first stage: fix 4 pulses */
-			pos = 4;
+            if(nbbits == 44)
+            {
+                ipos[8] = 0;
+                ipos[9] = 1;
+            }
+        } else
+        {
+            /* first stage: fix 4 pulses */
+            pos = 4;
 
-			ix = ind[0] = pos_max[ipos[0]];
-			iy = ind[1] = pos_max[ipos[1]];
-			i = ind[2] = pos_max[ipos[2]];
-			j = ind[3] = pos_max[ipos[3]];
-			ps = add1(add1(add1(dn[ix], dn[iy]), dn[i]), dn[j]);
+            ix = ind[0] = pos_max[ipos[0]];
+            iy = ind[1] = pos_max[ipos[1]];
+            i = ind[2] = pos_max[ipos[2]];
+            j = ind[3] = pos_max[ipos[3]];
+            ps = add1(add1(add1(dn[ix], dn[iy]), dn[i]), dn[j]);
 
-			if (sign[ix] < 0)
-				p0 = h_inv - ix;
-			else
-				p0 = h - ix;
+            if (sign[ix] < 0)
+                p0 = h_inv - ix;
+            else
+                p0 = h - ix;
 
-			if (sign[iy] < 0)
-				p1 = h_inv - iy;
-			else
-				p1 = h - iy;
+            if (sign[iy] < 0)
+                p1 = h_inv - iy;
+            else
+                p1 = h - iy;
 
-			if (sign[i] < 0)
-				p2 = h_inv - i;
-			else
-				p2 = h - i;
+            if (sign[i] < 0)
+                p2 = h_inv - i;
+            else
+                p2 = h - i;
 
-			if (sign[j] < 0)
-				p3 = h_inv - j;
-			else
-				p3 = h - j;
+            if (sign[j] < 0)
+                p3 = h_inv - j;
+            else
+                p3 = h - j;
 
-			L_tmp = 0L;
-			for(i = 0; i < L_SUBFR; i++)
-			{
-				Word32 vecSq2;
-				vec[i]  = add1(add1(add1(*p0++, *p1++), *p2++), *p3++);
-				vecSq2 = (vec[i] * vec[i]) << 1;
-				if (vecSq2 > 0 && L_tmp > INT_MAX - vecSq2) {
-					L_tmp = INT_MAX;
-				} else if (vecSq2 < 0 && L_tmp < INT_MIN - vecSq2) {
-					L_tmp = INT_MIN;
-				} else {
-					L_tmp  += vecSq2;
-				}
-			}
+            L_tmp = 0L;
+            for(i = 0; i < L_SUBFR; i++)
+            {
+                Word32 vecSq2;
+                vec[i]  = add1(add1(add1(*p0++, *p1++), *p2++), *p3++);
+                vecSq2 = (vec[i] * vec[i]) << 1;
+                if (vecSq2 > 0 && L_tmp > INT_MAX - vecSq2) {
+                    L_tmp = INT_MAX;
+                } else if (vecSq2 < 0 && L_tmp < INT_MIN - vecSq2) {
+                    L_tmp = INT_MIN;
+                } else {
+                    L_tmp  += vecSq2;
+                }
+            }
 
-			alp = ((L_tmp >> 3) + 0x8000) >> 16;
+            alp = ((L_tmp >> 3) + 0x8000) >> 16;
 
-			if(nbbits == 72)
-			{
-				ipos[16] = 0;
-				ipos[17] = 1;
-			}
-		}
+            if(nbbits == 72)
+            {
+                ipos[16] = 0;
+                ipos[17] = 1;
+            }
+        }
 
-		/* other stages of 2 pulses */
+        /* other stages of 2 pulses */
 
-		for (j = pos, st = 0; j < nb_pulse; j += 2, st++)
-		{
-			/*--------------------------------------------------*
-			 * Calculate correlation of all possible positions  *
-			 * of the next 2 pulses with previous fixed pulses. *
-			 * Each pulse can have 16 possible positions.       *
-			 *--------------------------------------------------*/
-			if(ipos[j] == 3)
-			{
-				cor_h_vec_30(h, vec, ipos[j], sign, rrixix, cor_x, cor_y);
-			}
-			else
-			{
+        for (j = pos, st = 0; j < nb_pulse; j += 2, st++)
+        {
+            /*--------------------------------------------------*
+             * Calculate correlation of all possible positions  *
+             * of the next 2 pulses with previous fixed pulses. *
+             * Each pulse can have 16 possible positions.       *
+             *--------------------------------------------------*/
+            if(ipos[j] == 3)
+            {
+                cor_h_vec_30(h, vec, ipos[j], sign, rrixix, cor_x, cor_y);
+            }
+            else
+            {
 #ifdef ASM_OPT                 /* asm optimization branch */
-				cor_h_vec_012_asm(h, vec, ipos[j], sign, rrixix, cor_x, cor_y);
+                cor_h_vec_012_asm(h, vec, ipos[j], sign, rrixix, cor_x, cor_y);
 #else
-				cor_h_vec_012(h, vec, ipos[j], sign, rrixix, cor_x, cor_y);
+                cor_h_vec_012(h, vec, ipos[j], sign, rrixix, cor_x, cor_y);
 #endif
-			}
-			/*--------------------------------------------------*
-			 * Find best positions of 2 pulses.                 *
-			 *--------------------------------------------------*/
-			search_ixiy(nbpos[st], ipos[j], ipos[j + 1], &ps, &alp,
-					&ix, &iy, dn, dn2, cor_x, cor_y, rrixiy);
+            }
+            /*--------------------------------------------------*
+             * Find best positions of 2 pulses.                 *
+             *--------------------------------------------------*/
+            search_ixiy(nbpos[st], ipos[j], ipos[j + 1], &ps, &alp,
+                    &ix, &iy, dn, dn2, cor_x, cor_y, rrixiy);
 
-			ind[j] = ix;
-			ind[j + 1] = iy;
+            ind[j] = ix;
+            ind[j + 1] = iy;
 
-			if (sign[ix] < 0)
-				p0 = h_inv - ix;
-			else
-				p0 = h - ix;
-			if (sign[iy] < 0)
-				p1 = h_inv - iy;
-			else
-				p1 = h - iy;
+            if (sign[ix] < 0)
+                p0 = h_inv - ix;
+            else
+                p0 = h - ix;
+            if (sign[iy] < 0)
+                p1 = h_inv - iy;
+            else
+                p1 = h - iy;
 
-			for (i = 0; i < L_SUBFR; i+=4)
-			{
-				vec[i]   += add1((*p0++), (*p1++));
-				vec[i+1] += add1((*p0++), (*p1++));
-				vec[i+2] += add1((*p0++), (*p1++));
-				vec[i+3] += add1((*p0++), (*p1++));
-			}
-		}
-		/* memorise the best codevector */
-		ps = vo_mult(ps, ps);
-		s = vo_L_msu(vo_L_mult(alpk, ps), psk, alp);
-		if (s > 0)
-		{
-			psk = ps;
-			alpk = alp;
-			for (i = 0; i < nb_pulse; i++)
-			{
-				codvec[i] = ind[i];
-			}
-			for (i = 0; i < L_SUBFR; i++)
-			{
-				y[i] = vec[i];
-			}
-		}
-	}
-	/*-------------------------------------------------------------------*
-	 * Build the codeword, the filtered codeword and index of codevector.*
-	 *-------------------------------------------------------------------*/
-	for (i = 0; i < NPMAXPT * NB_TRACK; i++)
-	{
-		ind[i] = -1;
-	}
-	for (i = 0; i < L_SUBFR; i++)
-	{
-		code[i] = 0;
-		y[i] = vo_shr_r(y[i], 3);               /* Q12 to Q9 */
-	}
-	val = (512 >> h_shift);               /* codeword in Q9 format */
-	for (k = 0; k < nb_pulse; k++)
-	{
-		i = codvec[k];                       /* read pulse position */
-		j = sign[i];                         /* read sign           */
-		index = i >> 2;                 /* index = pos of pulse (0..15) */
-		track = (Word16) (i & 0x03);         /* track = i % NB_TRACK (0..3)  */
+            for (i = 0; i < L_SUBFR; i+=4)
+            {
+                vec[i]   += add1((*p0++), (*p1++));
+                vec[i+1] += add1((*p0++), (*p1++));
+                vec[i+2] += add1((*p0++), (*p1++));
+                vec[i+3] += add1((*p0++), (*p1++));
+            }
+        }
+        /* memorise the best codevector */
+        ps = vo_mult(ps, ps);
+        s = vo_L_msu(vo_L_mult(alpk, ps), psk, alp);
+        if (s > 0)
+        {
+            psk = ps;
+            alpk = alp;
+            for (i = 0; i < nb_pulse; i++)
+            {
+                codvec[i] = ind[i];
+            }
+            for (i = 0; i < L_SUBFR; i++)
+            {
+                y[i] = vec[i];
+            }
+        }
+    }
+    /*-------------------------------------------------------------------*
+     * Build the codeword, the filtered codeword and index of codevector.*
+     *-------------------------------------------------------------------*/
+    for (i = 0; i < NPMAXPT * NB_TRACK; i++)
+    {
+        ind[i] = -1;
+    }
+    for (i = 0; i < L_SUBFR; i++)
+    {
+        code[i] = 0;
+        y[i] = vo_shr_r(y[i], 3);               /* Q12 to Q9 */
+    }
+    val = (512 >> h_shift);               /* codeword in Q9 format */
+    for (k = 0; k < nb_pulse; k++)
+    {
+        i = codvec[k];                       /* read pulse position */
+        j = sign[i];                         /* read sign           */
+        index = i >> 2;                 /* index = pos of pulse (0..15) */
+        track = (Word16) (i & 0x03);         /* track = i % NB_TRACK (0..3)  */
 
-		if (j > 0)
-		{
-			code[i] += val;
-			codvec[k] += 128;
-		} else
-		{
-			code[i] -= val;
-			index += NB_POS;
-		}
+        if (j > 0)
+        {
+            code[i] += val;
+            codvec[k] += 128;
+        } else
+        {
+            code[i] -= val;
+            index += NB_POS;
+        }
 
-		i = (Word16)((vo_L_mult(track, NPMAXPT) >> 1));
+        i = (Word16)((vo_L_mult(track, NPMAXPT) >> 1));
 
-		while (ind[i] >= 0)
-		{
-			i += 1;
-		}
-		ind[i] = index;
-	}
+        while (ind[i] >= 0)
+        {
+            i += 1;
+        }
+        ind[i] = index;
+    }
 
-	k = 0;
-	/* Build index of codevector */
-	if(nbbits == 20)
-	{
-		for (track = 0; track < NB_TRACK; track++)
-		{
-			_index[track] = (Word16)(quant_1p_N1(ind[k], 4));
-			k += NPMAXPT;
-		}
-	} else if(nbbits == 36)
-	{
-		for (track = 0; track < NB_TRACK; track++)
-		{
-			_index[track] = (Word16)(quant_2p_2N1(ind[k], ind[k + 1], 4));
-			k += NPMAXPT;
-		}
-	} else if(nbbits == 44)
-	{
-		for (track = 0; track < NB_TRACK - 2; track++)
-		{
-			_index[track] = (Word16)(quant_3p_3N1(ind[k], ind[k + 1], ind[k + 2], 4));
-			k += NPMAXPT;
-		}
-		for (track = 2; track < NB_TRACK; track++)
-		{
-			_index[track] = (Word16)(quant_2p_2N1(ind[k], ind[k + 1], 4));
-			k += NPMAXPT;
-		}
-	} else if(nbbits == 52)
-	{
-		for (track = 0; track < NB_TRACK; track++)
-		{
-			_index[track] = (Word16)(quant_3p_3N1(ind[k], ind[k + 1], ind[k + 2], 4));
-			k += NPMAXPT;
-		}
-	} else if(nbbits == 64)
-	{
-		for (track = 0; track < NB_TRACK; track++)
-		{
-			L_index = quant_4p_4N(&ind[k], 4);
-			_index[track] = (Word16)((L_index >> 14) & 3);
-			_index[track + NB_TRACK] = (Word16)(L_index & 0x3FFF);
-			k += NPMAXPT;
-		}
-	} else if(nbbits == 72)
-	{
-		for (track = 0; track < NB_TRACK - 2; track++)
-		{
-			L_index = quant_5p_5N(&ind[k], 4);
-			_index[track] = (Word16)((L_index >> 10) & 0x03FF);
-			_index[track + NB_TRACK] = (Word16)(L_index & 0x03FF);
-			k += NPMAXPT;
-		}
-		for (track = 2; track < NB_TRACK; track++)
-		{
-			L_index = quant_4p_4N(&ind[k], 4);
-			_index[track] = (Word16)((L_index >> 14) & 3);
-			_index[track + NB_TRACK] = (Word16)(L_index & 0x3FFF);
-			k += NPMAXPT;
-		}
-	} else if(nbbits == 88)
-	{
-		for (track = 0; track < NB_TRACK; track++)
-		{
-			L_index = quant_6p_6N_2(&ind[k], 4);
-			_index[track] = (Word16)((L_index >> 11) & 0x07FF);
-			_index[track + NB_TRACK] = (Word16)(L_index & 0x07FF);
-			k += NPMAXPT;
-		}
-	}
-	return;
+    k = 0;
+    /* Build index of codevector */
+    if(nbbits == 20)
+    {
+        for (track = 0; track < NB_TRACK; track++)
+        {
+            _index[track] = (Word16)(quant_1p_N1(ind[k], 4));
+            k += NPMAXPT;
+        }
+    } else if(nbbits == 36)
+    {
+        for (track = 0; track < NB_TRACK; track++)
+        {
+            _index[track] = (Word16)(quant_2p_2N1(ind[k], ind[k + 1], 4));
+            k += NPMAXPT;
+        }
+    } else if(nbbits == 44)
+    {
+        for (track = 0; track < NB_TRACK - 2; track++)
+        {
+            _index[track] = (Word16)(quant_3p_3N1(ind[k], ind[k + 1], ind[k + 2], 4));
+            k += NPMAXPT;
+        }
+        for (track = 2; track < NB_TRACK; track++)
+        {
+            _index[track] = (Word16)(quant_2p_2N1(ind[k], ind[k + 1], 4));
+            k += NPMAXPT;
+        }
+    } else if(nbbits == 52)
+    {
+        for (track = 0; track < NB_TRACK; track++)
+        {
+            _index[track] = (Word16)(quant_3p_3N1(ind[k], ind[k + 1], ind[k + 2], 4));
+            k += NPMAXPT;
+        }
+    } else if(nbbits == 64)
+    {
+        for (track = 0; track < NB_TRACK; track++)
+        {
+            L_index = quant_4p_4N(&ind[k], 4);
+            _index[track] = (Word16)((L_index >> 14) & 3);
+            _index[track + NB_TRACK] = (Word16)(L_index & 0x3FFF);
+            k += NPMAXPT;
+        }
+    } else if(nbbits == 72)
+    {
+        for (track = 0; track < NB_TRACK - 2; track++)
+        {
+            L_index = quant_5p_5N(&ind[k], 4);
+            _index[track] = (Word16)((L_index >> 10) & 0x03FF);
+            _index[track + NB_TRACK] = (Word16)(L_index & 0x03FF);
+            k += NPMAXPT;
+        }
+        for (track = 2; track < NB_TRACK; track++)
+        {
+            L_index = quant_4p_4N(&ind[k], 4);
+            _index[track] = (Word16)((L_index >> 14) & 3);
+            _index[track + NB_TRACK] = (Word16)(L_index & 0x3FFF);
+            k += NPMAXPT;
+        }
+    } else if(nbbits == 88)
+    {
+        for (track = 0; track < NB_TRACK; track++)
+        {
+            L_index = quant_6p_6N_2(&ind[k], 4);
+            _index[track] = (Word16)((L_index >> 11) & 0x07FF);
+            _index[track + NB_TRACK] = (Word16)(L_index & 0x07FF);
+            k += NPMAXPT;
+        }
+    }
+    return;
 }
 
 
@@ -832,135 +832,135 @@
  * Compute correlations of h[] with vec[] for the specified track.   *
  *-------------------------------------------------------------------*/
 void cor_h_vec_30(
-		Word16 h[],                           /* (i) scaled impulse response                 */
-		Word16 vec[],                         /* (i) scaled vector (/8) to correlate with h[] */
-		Word16 track,                         /* (i) track to use                            */
-		Word16 sign[],                        /* (i) sign vector                             */
-		Word16 rrixix[][NB_POS],              /* (i) correlation of h[x] with h[x]      */
-		Word16 cor_1[],                       /* (o) result of correlation (NB_POS elements) */
-		Word16 cor_2[]                        /* (o) result of correlation (NB_POS elements) */
-		)
+        Word16 h[],                           /* (i) scaled impulse response                 */
+        Word16 vec[],                         /* (i) scaled vector (/8) to correlate with h[] */
+        Word16 track,                         /* (i) track to use                            */
+        Word16 sign[],                        /* (i) sign vector                             */
+        Word16 rrixix[][NB_POS],              /* (i) correlation of h[x] with h[x]      */
+        Word16 cor_1[],                       /* (o) result of correlation (NB_POS elements) */
+        Word16 cor_2[]                        /* (o) result of correlation (NB_POS elements) */
+        )
 {
-	Word32 i, j, pos, corr;
-	Word16 *p0, *p1, *p2,*p3,*cor_x,*cor_y;
-	Word32 L_sum1,L_sum2;
-	cor_x = cor_1;
-	cor_y = cor_2;
-	p0 = rrixix[track];
-	p3 = rrixix[0];
-	pos = track;
+    Word32 i, j, pos, corr;
+    Word16 *p0, *p1, *p2,*p3,*cor_x,*cor_y;
+    Word32 L_sum1,L_sum2;
+    cor_x = cor_1;
+    cor_y = cor_2;
+    p0 = rrixix[track];
+    p3 = rrixix[0];
+    pos = track;
 
-	for (i = 0; i < NB_POS; i+=2)
-	{
-		L_sum1 = L_sum2 = 0L;
-		p1 = h;
-		p2 = &vec[pos];
-		for (j=pos;j < L_SUBFR; j++)
-		{
-			L_sum1 += *p1 * *p2;
-			p2-=3;
-			L_sum2 += *p1++ * *p2;
-			p2+=4;
-		}
-		p2-=3;
-		L_sum2 += *p1++ * *p2++;
-		L_sum2 += *p1++ * *p2++;
-		L_sum2 += *p1++ * *p2++;
+    for (i = 0; i < NB_POS; i+=2)
+    {
+        L_sum1 = L_sum2 = 0L;
+        p1 = h;
+        p2 = &vec[pos];
+        for (j=pos;j < L_SUBFR; j++)
+        {
+            L_sum1 += *p1 * *p2;
+            p2-=3;
+            L_sum2 += *p1++ * *p2;
+            p2+=4;
+        }
+        p2-=3;
+        L_sum2 += *p1++ * *p2++;
+        L_sum2 += *p1++ * *p2++;
+        L_sum2 += *p1++ * *p2++;
 
-		L_sum1 = (L_sum1 << 2);
-		L_sum2 = (L_sum2 << 2);
+        L_sum1 = (L_sum1 << 2);
+        L_sum2 = (L_sum2 << 2);
 
-		corr = vo_round(L_sum1);
-		*cor_x++ = vo_mult(corr, sign[pos]) + (*p0++);
-		corr = vo_round(L_sum2);
-		*cor_y++ = vo_mult(corr, sign[pos-3]) + (*p3++);
-		pos += STEP;
+        corr = vo_round(L_sum1);
+        *cor_x++ = vo_mult(corr, sign[pos]) + (*p0++);
+        corr = vo_round(L_sum2);
+        *cor_y++ = vo_mult(corr, sign[pos-3]) + (*p3++);
+        pos += STEP;
 
-		L_sum1 = L_sum2 = 0L;
-		p1 = h;
-		p2 = &vec[pos];
-		for (j=pos;j < L_SUBFR; j++)
-		{
-			L_sum1 += *p1 * *p2;
-			p2-=3;
-			L_sum2 += *p1++ * *p2;
-			p2+=4;
-		}
-		p2-=3;
-		L_sum2 += *p1++ * *p2++;
-		L_sum2 += *p1++ * *p2++;
-		L_sum2 += *p1++ * *p2++;
+        L_sum1 = L_sum2 = 0L;
+        p1 = h;
+        p2 = &vec[pos];
+        for (j=pos;j < L_SUBFR; j++)
+        {
+            L_sum1 += *p1 * *p2;
+            p2-=3;
+            L_sum2 += *p1++ * *p2;
+            p2+=4;
+        }
+        p2-=3;
+        L_sum2 += *p1++ * *p2++;
+        L_sum2 += *p1++ * *p2++;
+        L_sum2 += *p1++ * *p2++;
 
-		L_sum1 = (L_sum1 << 2);
-		L_sum2 = (L_sum2 << 2);
+        L_sum1 = (L_sum1 << 2);
+        L_sum2 = (L_sum2 << 2);
 
-		corr = vo_round(L_sum1);
-		*cor_x++ = vo_mult(corr, sign[pos]) + (*p0++);
-		corr = vo_round(L_sum2);
-		*cor_y++ = vo_mult(corr, sign[pos-3]) + (*p3++);
-		pos += STEP;
-	}
-	return;
+        corr = vo_round(L_sum1);
+        *cor_x++ = vo_mult(corr, sign[pos]) + (*p0++);
+        corr = vo_round(L_sum2);
+        *cor_y++ = vo_mult(corr, sign[pos-3]) + (*p3++);
+        pos += STEP;
+    }
+    return;
 }
 
 void cor_h_vec_012(
-		Word16 h[],                           /* (i) scaled impulse response                 */
-		Word16 vec[],                         /* (i) scaled vector (/8) to correlate with h[] */
-		Word16 track,                         /* (i) track to use                            */
-		Word16 sign[],                        /* (i) sign vector                             */
-		Word16 rrixix[][NB_POS],              /* (i) correlation of h[x] with h[x]      */
-		Word16 cor_1[],                       /* (o) result of correlation (NB_POS elements) */
-		Word16 cor_2[]                        /* (o) result of correlation (NB_POS elements) */
-		)
+        Word16 h[],                           /* (i) scaled impulse response                 */
+        Word16 vec[],                         /* (i) scaled vector (/8) to correlate with h[] */
+        Word16 track,                         /* (i) track to use                            */
+        Word16 sign[],                        /* (i) sign vector                             */
+        Word16 rrixix[][NB_POS],              /* (i) correlation of h[x] with h[x]      */
+        Word16 cor_1[],                       /* (o) result of correlation (NB_POS elements) */
+        Word16 cor_2[]                        /* (o) result of correlation (NB_POS elements) */
+        )
 {
-	Word32 i, j, pos, corr;
-	Word16 *p0, *p1, *p2,*p3,*cor_x,*cor_y;
-	Word32 L_sum1,L_sum2;
-	cor_x = cor_1;
-	cor_y = cor_2;
-	p0 = rrixix[track];
-	p3 = rrixix[track+1];
-	pos = track;
+    Word32 i, j, pos, corr;
+    Word16 *p0, *p1, *p2,*p3,*cor_x,*cor_y;
+    Word32 L_sum1,L_sum2;
+    cor_x = cor_1;
+    cor_y = cor_2;
+    p0 = rrixix[track];
+    p3 = rrixix[track+1];
+    pos = track;
 
-	for (i = 0; i < NB_POS; i+=2)
-	{
-		L_sum1 = L_sum2 = 0L;
-		p1 = h;
-		p2 = &vec[pos];
-		for (j=62-pos ;j >= 0; j--)
-		{
-			L_sum1 += *p1 * *p2++;
-			L_sum2 += *p1++ * *p2;
-		}
-		L_sum1 += *p1 * *p2;
-		L_sum1 = (L_sum1 << 2);
-		L_sum2 = (L_sum2 << 2);
+    for (i = 0; i < NB_POS; i+=2)
+    {
+        L_sum1 = L_sum2 = 0L;
+        p1 = h;
+        p2 = &vec[pos];
+        for (j=62-pos ;j >= 0; j--)
+        {
+            L_sum1 += *p1 * *p2++;
+            L_sum2 += *p1++ * *p2;
+        }
+        L_sum1 += *p1 * *p2;
+        L_sum1 = (L_sum1 << 2);
+        L_sum2 = (L_sum2 << 2);
 
-		corr = (L_sum1 + 0x8000) >> 16;
-		cor_x[i] = vo_mult(corr, sign[pos]) + (*p0++);
-		corr = (L_sum2 + 0x8000) >> 16;
-		cor_y[i] = vo_mult(corr, sign[pos + 1]) + (*p3++);
-		pos += STEP;
+        corr = (L_sum1 + 0x8000) >> 16;
+        cor_x[i] = vo_mult(corr, sign[pos]) + (*p0++);
+        corr = (L_sum2 + 0x8000) >> 16;
+        cor_y[i] = vo_mult(corr, sign[pos + 1]) + (*p3++);
+        pos += STEP;
 
-		L_sum1 = L_sum2 = 0L;
-		p1 = h;
-		p2 = &vec[pos];
-		for (j= 62-pos;j >= 0; j--)
-		{
-			L_sum1 += *p1 * *p2++;
-			L_sum2 += *p1++ * *p2;
-		}
-		L_sum1 += *p1 * *p2;
-		L_sum1 = (L_sum1 << 2);
-		L_sum2 = (L_sum2 << 2);
+        L_sum1 = L_sum2 = 0L;
+        p1 = h;
+        p2 = &vec[pos];
+        for (j= 62-pos;j >= 0; j--)
+        {
+            L_sum1 += *p1 * *p2++;
+            L_sum2 += *p1++ * *p2;
+        }
+        L_sum1 += *p1 * *p2;
+        L_sum1 = (L_sum1 << 2);
+        L_sum2 = (L_sum2 << 2);
 
-		corr = (L_sum1 + 0x8000) >> 16;
-		cor_x[i+1] = vo_mult(corr, sign[pos]) + (*p0++);
-		corr = (L_sum2 + 0x8000) >> 16;
-		cor_y[i+1] = vo_mult(corr, sign[pos + 1]) + (*p3++);
-		pos += STEP;
-	}
-	return;
+        corr = (L_sum1 + 0x8000) >> 16;
+        cor_x[i+1] = vo_mult(corr, sign[pos]) + (*p0++);
+        corr = (L_sum2 + 0x8000) >> 16;
+        cor_y[i+1] = vo_mult(corr, sign[pos + 1]) + (*p3++);
+        pos += STEP;
+    }
+    return;
 }
 
 /*-------------------------------------------------------------------*
@@ -970,80 +970,80 @@
  *-------------------------------------------------------------------*/
 
 void search_ixiy(
-		Word16 nb_pos_ix,                     /* (i) nb of pos for pulse 1 (1..8)       */
-		Word16 track_x,                       /* (i) track of pulse 1                   */
-		Word16 track_y,                       /* (i) track of pulse 2                   */
-		Word16 * ps,                          /* (i/o) correlation of all fixed pulses  */
-		Word16 * alp,                         /* (i/o) energy of all fixed pulses       */
-		Word16 * ix,                          /* (o) position of pulse 1                */
-		Word16 * iy,                          /* (o) position of pulse 2                */
-		Word16 dn[],                          /* (i) corr. between target and h[]       */
-		Word16 dn2[],                         /* (i) vector of selected positions       */
-		Word16 cor_x[],                       /* (i) corr. of pulse 1 with fixed pulses */
-		Word16 cor_y[],                       /* (i) corr. of pulse 2 with fixed pulses */
-		Word16 rrixiy[][MSIZE]                /* (i) corr. of pulse 1 with pulse 2   */
-		)
+        Word16 nb_pos_ix,                     /* (i) nb of pos for pulse 1 (1..8)       */
+        Word16 track_x,                       /* (i) track of pulse 1                   */
+        Word16 track_y,                       /* (i) track of pulse 2                   */
+        Word16 * ps,                          /* (i/o) correlation of all fixed pulses  */
+        Word16 * alp,                         /* (i/o) energy of all fixed pulses       */
+        Word16 * ix,                          /* (o) position of pulse 1                */
+        Word16 * iy,                          /* (o) position of pulse 2                */
+        Word16 dn[],                          /* (i) corr. between target and h[]       */
+        Word16 dn2[],                         /* (i) vector of selected positions       */
+        Word16 cor_x[],                       /* (i) corr. of pulse 1 with fixed pulses */
+        Word16 cor_y[],                       /* (i) corr. of pulse 2 with fixed pulses */
+        Word16 rrixiy[][MSIZE]                /* (i) corr. of pulse 1 with pulse 2   */
+        )
 {
-	Word32 x, y, pos, thres_ix;
-	Word16 ps1, ps2, sq, sqk;
-	Word16 alp_16, alpk;
-	Word16 *p0, *p1, *p2;
-	Word32 s, alp0, alp1, alp2;
+    Word32 x, y, pos, thres_ix;
+    Word16 ps1, ps2, sq, sqk;
+    Word16 alp_16, alpk;
+    Word16 *p0, *p1, *p2;
+    Word32 s, alp0, alp1, alp2;
 
-	p0 = cor_x;
-	p1 = cor_y;
-	p2 = rrixiy[track_x];
+    p0 = cor_x;
+    p1 = cor_y;
+    p2 = rrixiy[track_x];
 
-	thres_ix = nb_pos_ix - NB_MAX;
+    thres_ix = nb_pos_ix - NB_MAX;
 
-	alp0 = L_deposit_h(*alp);
-	alp0 = (alp0 + 0x00008000L);       /* for rounding */
+    alp0 = L_deposit_h(*alp);
+    alp0 = (alp0 + 0x00008000L);       /* for rounding */
 
-	sqk = -1;
-	alpk = 1;
+    sqk = -1;
+    alpk = 1;
 
-	for (x = track_x; x < L_SUBFR; x += STEP)
-	{
-		ps1 = *ps + dn[x];
-		alp1 = alp0 + ((*p0++)<<13);
+    for (x = track_x; x < L_SUBFR; x += STEP)
+    {
+        ps1 = *ps + dn[x];
+        alp1 = alp0 + ((*p0++)<<13);
 
-		if (dn2[x] < thres_ix)
-		{
-			pos = -1;
-			for (y = track_y; y < L_SUBFR; y += STEP)
-			{
-				ps2 = add1(ps1, dn[y]);
+        if (dn2[x] < thres_ix)
+        {
+            pos = -1;
+            for (y = track_y; y < L_SUBFR; y += STEP)
+            {
+                ps2 = add1(ps1, dn[y]);
 
-				alp2 = alp1 + ((*p1++)<<13);
-				alp2 = alp2 + ((*p2++)<<14);
-				alp_16 = extract_h(alp2);
-				sq = vo_mult(ps2, ps2);
-				s = vo_L_mult(alpk, sq) - ((sqk * alp_16)<<1);
+                alp2 = alp1 + ((*p1++)<<13);
+                alp2 = alp2 + ((*p2++)<<14);
+                alp_16 = extract_h(alp2);
+                sq = vo_mult(ps2, ps2);
+                s = vo_L_mult(alpk, sq) - ((sqk * alp_16)<<1);
 
-				if (s > 0)
-				{
-					sqk = sq;
-					alpk = alp_16;
-					pos = y;
-				}
-			}
-			p1 -= NB_POS;
+                if (s > 0)
+                {
+                    sqk = sq;
+                    alpk = alp_16;
+                    pos = y;
+                }
+            }
+            p1 -= NB_POS;
 
-			if (pos >= 0)
-			{
-				*ix = x;
-				*iy = pos;
-			}
-		} else
-		{
-			p2 += NB_POS;
-		}
-	}
+            if (pos >= 0)
+            {
+                *ix = x;
+                *iy = pos;
+            }
+        } else
+        {
+            p2 += NB_POS;
+        }
+    }
 
-	*ps = add1(*ps, add1(dn[*ix], dn[*iy]));
-	*alp = alpk;
+    *ps = add1(*ps, add1(dn[*ix], dn[*iy]));
+    *alp = alpk;
 
-	return;
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/convolve.c b/media/libstagefright/codecs/amrwbenc/src/convolve.c
index 4c1f7d4..9b8b3aa 100644
--- a/media/libstagefright/codecs/amrwbenc/src/convolve.c
+++ b/media/libstagefright/codecs/amrwbenc/src/convolve.c
@@ -17,8 +17,8 @@
 /***********************************************************************
        File: convolve.c
 
-	   Description:Perform the convolution between two vectors x[] and h[]
-	               and write the result in the vector y[]
+       Description:Perform the convolution between two vectors x[] and h[]
+                   and write the result in the vector y[]
 
 ************************************************************************/
 
@@ -28,85 +28,85 @@
 #define UNUSED(x) (void)(x)
 
 void Convolve (
-		Word16 x[],        /* (i)     : input vector                           */
-		Word16 h[],        /* (i)     : impulse response                       */
-		Word16 y[],        /* (o)     : output vector                          */
-		Word16 L           /* (i)     : vector size                            */
-	      )
+        Word16 x[],        /* (i)     : input vector                           */
+        Word16 h[],        /* (i)     : impulse response                       */
+        Word16 y[],        /* (o)     : output vector                          */
+        Word16 L           /* (i)     : vector size                            */
+          )
 {
-	Word32  i, n;
-	Word16 *tmpH,*tmpX;
-	Word32 s;
+    Word32  i, n;
+    Word16 *tmpH,*tmpX;
+    Word32 s;
         UNUSED(L);
 
-	for (n = 0; n < 64;)
-	{
-		tmpH = h+n;
-		tmpX = x;
-		i=n+1;
-		s = vo_mult32((*tmpX++), (*tmpH--));i--;
-		while(i>0)
-		{
-			s += vo_mult32((*tmpX++), (*tmpH--));
-			s += vo_mult32((*tmpX++), (*tmpH--));
-			s += vo_mult32((*tmpX++), (*tmpH--));
-			s += vo_mult32((*tmpX++), (*tmpH--));
-			i -= 4;
-		}
-		y[n] = ((s<<1) + 0x8000)>>16;
-		n++;
+    for (n = 0; n < 64;)
+    {
+        tmpH = h+n;
+        tmpX = x;
+        i=n+1;
+        s = vo_mult32((*tmpX++), (*tmpH--));i--;
+        while(i>0)
+        {
+            s += vo_mult32((*tmpX++), (*tmpH--));
+            s += vo_mult32((*tmpX++), (*tmpH--));
+            s += vo_mult32((*tmpX++), (*tmpH--));
+            s += vo_mult32((*tmpX++), (*tmpH--));
+            i -= 4;
+        }
+        y[n] = ((s<<1) + 0x8000)>>16;
+        n++;
 
-		tmpH = h+n;
-		tmpX = x;
-		i=n+1;
-		s =  vo_mult32((*tmpX++), (*tmpH--));i--;
-		s += vo_mult32((*tmpX++), (*tmpH--));i--;
+        tmpH = h+n;
+        tmpX = x;
+        i=n+1;
+        s =  vo_mult32((*tmpX++), (*tmpH--));i--;
+        s += vo_mult32((*tmpX++), (*tmpH--));i--;
 
-		while(i>0)
-		{
-			s += vo_mult32((*tmpX++), (*tmpH--));
-			s += vo_mult32((*tmpX++), (*tmpH--));
-			s += vo_mult32((*tmpX++), (*tmpH--));
-			s += vo_mult32((*tmpX++), (*tmpH--));
-			i -= 4;
-		}
-		y[n] = ((s<<1) + 0x8000)>>16;
-		n++;
+        while(i>0)
+        {
+            s += vo_mult32((*tmpX++), (*tmpH--));
+            s += vo_mult32((*tmpX++), (*tmpH--));
+            s += vo_mult32((*tmpX++), (*tmpH--));
+            s += vo_mult32((*tmpX++), (*tmpH--));
+            i -= 4;
+        }
+        y[n] = ((s<<1) + 0x8000)>>16;
+        n++;
 
-		tmpH = h+n;
-		tmpX = x;
-		i=n+1;
-		s =  vo_mult32((*tmpX++), (*tmpH--));i--;
-		s += vo_mult32((*tmpX++), (*tmpH--));i--;
-		s += vo_mult32((*tmpX++), (*tmpH--));i--;
+        tmpH = h+n;
+        tmpX = x;
+        i=n+1;
+        s =  vo_mult32((*tmpX++), (*tmpH--));i--;
+        s += vo_mult32((*tmpX++), (*tmpH--));i--;
+        s += vo_mult32((*tmpX++), (*tmpH--));i--;
 
-		while(i>0)
-		{
-			s += vo_mult32((*tmpX++), (*tmpH--));
-			s += vo_mult32((*tmpX++), (*tmpH--));
-			s += vo_mult32((*tmpX++), (*tmpH--));
-			s += vo_mult32((*tmpX++), (*tmpH--));
-			i -= 4;
-		}
-		y[n] = ((s<<1) + 0x8000)>>16;
-		n++;
+        while(i>0)
+        {
+            s += vo_mult32((*tmpX++), (*tmpH--));
+            s += vo_mult32((*tmpX++), (*tmpH--));
+            s += vo_mult32((*tmpX++), (*tmpH--));
+            s += vo_mult32((*tmpX++), (*tmpH--));
+            i -= 4;
+        }
+        y[n] = ((s<<1) + 0x8000)>>16;
+        n++;
 
-		s = 0;
-		tmpH = h+n;
-		tmpX = x;
-		i=n+1;
-		while(i>0)
-		{
-			s += vo_mult32((*tmpX++), (*tmpH--));
-			s += vo_mult32((*tmpX++), (*tmpH--));
-			s += vo_mult32((*tmpX++), (*tmpH--));
-			s += vo_mult32((*tmpX++), (*tmpH--));
-			i -= 4;
-		}
-		y[n] = ((s<<1) + 0x8000)>>16;
-		n++;
-	}
-	return;
+        s = 0;
+        tmpH = h+n;
+        tmpX = x;
+        i=n+1;
+        while(i>0)
+        {
+            s += vo_mult32((*tmpX++), (*tmpH--));
+            s += vo_mult32((*tmpX++), (*tmpH--));
+            s += vo_mult32((*tmpX++), (*tmpH--));
+            s += vo_mult32((*tmpX++), (*tmpH--));
+            i -= 4;
+        }
+        y[n] = ((s<<1) + 0x8000)>>16;
+        n++;
+    }
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/cor_h_x.c b/media/libstagefright/codecs/amrwbenc/src/cor_h_x.c
index d9245ed..b2aa759 100644
--- a/media/libstagefright/codecs/amrwbenc/src/cor_h_x.c
+++ b/media/libstagefright/codecs/amrwbenc/src/cor_h_x.c
@@ -17,10 +17,10 @@
 /***********************************************************************
 *       File: cor_h_x.c                                                *
 *                                                                      *
-*	   Description:Compute correlation between target "x[]" and "h[]"  *
-*	               Designed for codebook search (24 pulses, 4 tracks,  *
-*				   4 pulses per track, 16 positions in each track) to  *
-*				   avoid saturation.                                   *
+*      Description:Compute correlation between target "x[]" and "h[]"  *
+*                  Designed for codebook search (24 pulses, 4 tracks,  *
+*                  4 pulses per track, 16 positions in each track) to  *
+*                  avoid saturation.                                   *
 *                                                                      *
 ************************************************************************/
 
@@ -33,94 +33,94 @@
 #define STEP      4
 
 void cor_h_x(
-		Word16 h[],                           /* (i) Q12 : impulse response of weighted synthesis filter */
-		Word16 x[],                           /* (i) Q0  : target vector                                 */
-		Word16 dn[]                           /* (o) <12bit : correlation between target and h[]         */
-	    )
+        Word16 h[],                           /* (i) Q12 : impulse response of weighted synthesis filter */
+        Word16 x[],                           /* (i) Q0  : target vector                                 */
+        Word16 dn[]                           /* (o) <12bit : correlation between target and h[]         */
+        )
 {
-	Word32 i, j;
-	Word32 L_tmp, y32[L_SUBFR], L_tot;
-	Word16 *p1, *p2;
-	Word32 *p3;
-	Word32 L_max, L_max1, L_max2, L_max3;
-	/* first keep the result on 32 bits and find absolute maximum */
-	L_tot  = 1;
-	L_max  = 0;
-	L_max1 = 0;
-	L_max2 = 0;
-	L_max3 = 0;
-	for (i = 0; i < L_SUBFR; i += STEP)
-	{
-		L_tmp = 1;                                    /* 1 -> to avoid null dn[] */
-		p1 = &x[i];
-		p2 = &h[0];
-		for (j = i; j < L_SUBFR; j++)
-			L_tmp += vo_L_mult(*p1++, *p2++);
+    Word32 i, j;
+    Word32 L_tmp, y32[L_SUBFR], L_tot;
+    Word16 *p1, *p2;
+    Word32 *p3;
+    Word32 L_max, L_max1, L_max2, L_max3;
+    /* first keep the result on 32 bits and find absolute maximum */
+    L_tot  = 1;
+    L_max  = 0;
+    L_max1 = 0;
+    L_max2 = 0;
+    L_max3 = 0;
+    for (i = 0; i < L_SUBFR; i += STEP)
+    {
+        L_tmp = 1;                                    /* 1 -> to avoid null dn[] */
+        p1 = &x[i];
+        p2 = &h[0];
+        for (j = i; j < L_SUBFR; j++)
+            L_tmp += vo_L_mult(*p1++, *p2++);
 
-		y32[i] = L_tmp;
-		L_tmp = (L_tmp > 0)? L_tmp:-L_tmp;
-		if(L_tmp > L_max)
-		{
-			L_max = L_tmp;
-		}
+        y32[i] = L_tmp;
+        L_tmp = (L_tmp > 0)? L_tmp:-L_tmp;
+        if(L_tmp > L_max)
+        {
+            L_max = L_tmp;
+        }
 
-		L_tmp = 1L;
-		p1 = &x[i+1];
-		p2 = &h[0];
-		for (j = i+1; j < L_SUBFR; j++)
-			L_tmp += vo_L_mult(*p1++, *p2++);
+        L_tmp = 1L;
+        p1 = &x[i+1];
+        p2 = &h[0];
+        for (j = i+1; j < L_SUBFR; j++)
+            L_tmp += vo_L_mult(*p1++, *p2++);
 
-		y32[i+1] = L_tmp;
-		L_tmp = (L_tmp > 0)? L_tmp:-L_tmp;
-		if(L_tmp > L_max1)
-		{
-			L_max1 = L_tmp;
-		}
+        y32[i+1] = L_tmp;
+        L_tmp = (L_tmp > 0)? L_tmp:-L_tmp;
+        if(L_tmp > L_max1)
+        {
+            L_max1 = L_tmp;
+        }
 
-		L_tmp = 1;
-		p1 = &x[i+2];
-		p2 = &h[0];
-		for (j = i+2; j < L_SUBFR; j++)
-			L_tmp += vo_L_mult(*p1++, *p2++);
+        L_tmp = 1;
+        p1 = &x[i+2];
+        p2 = &h[0];
+        for (j = i+2; j < L_SUBFR; j++)
+            L_tmp += vo_L_mult(*p1++, *p2++);
 
-		y32[i+2] = L_tmp;
-		L_tmp = (L_tmp > 0)? L_tmp:-L_tmp;
-		if(L_tmp > L_max2)
-		{
-			L_max2 = L_tmp;
-		}
+        y32[i+2] = L_tmp;
+        L_tmp = (L_tmp > 0)? L_tmp:-L_tmp;
+        if(L_tmp > L_max2)
+        {
+            L_max2 = L_tmp;
+        }
 
-		L_tmp = 1;
-		p1 = &x[i+3];
-		p2 = &h[0];
-		for (j = i+3; j < L_SUBFR; j++)
-			L_tmp += vo_L_mult(*p1++, *p2++);
+        L_tmp = 1;
+        p1 = &x[i+3];
+        p2 = &h[0];
+        for (j = i+3; j < L_SUBFR; j++)
+            L_tmp += vo_L_mult(*p1++, *p2++);
 
-		y32[i+3] = L_tmp;
-		L_tmp = (L_tmp > 0)? L_tmp:-L_tmp;
-		if(L_tmp > L_max3)
-		{
-			L_max3 = L_tmp;
-		}
-	}
-	/* tot += 3*max / 8 */
-	L_max = ((L_max + L_max1 + L_max2 + L_max3) >> 2);
-	L_tot = vo_L_add(L_tot, L_max);       /* +max/4 */
-	L_tot = vo_L_add(L_tot, (L_max >> 1));  /* +max/8 */
+        y32[i+3] = L_tmp;
+        L_tmp = (L_tmp > 0)? L_tmp:-L_tmp;
+        if(L_tmp > L_max3)
+        {
+            L_max3 = L_tmp;
+        }
+    }
+    /* tot += 3*max / 8 */
+    L_max = ((L_max + L_max1 + L_max2 + L_max3) >> 2);
+    L_tot = vo_L_add(L_tot, L_max);       /* +max/4 */
+    L_tot = vo_L_add(L_tot, (L_max >> 1));  /* +max/8 */
 
-	/* Find the number of right shifts to do on y32[] so that    */
-	/* 6.0 x sumation of max of dn[] in each track not saturate. */
-	j = norm_l(L_tot) - 4;             /* 4 -> 16 x tot */
-	p1 = dn;
-	p3 = y32;
-	for (i = 0; i < L_SUBFR; i+=4)
-	{
-		*p1++ = vo_round(L_shl(*p3++, j));
-		*p1++ = vo_round(L_shl(*p3++, j));
-		*p1++ = vo_round(L_shl(*p3++, j));
-		*p1++ = vo_round(L_shl(*p3++, j));
-	}
-	return;
+    /* Find the number of right shifts to do on y32[] so that    */
+    /* 6.0 x sumation of max of dn[] in each track not saturate. */
+    j = norm_l(L_tot) - 4;             /* 4 -> 16 x tot */
+    p1 = dn;
+    p3 = y32;
+    for (i = 0; i < L_SUBFR; i+=4)
+    {
+        *p1++ = vo_round(L_shl(*p3++, j));
+        *p1++ = vo_round(L_shl(*p3++, j));
+        *p1++ = vo_round(L_shl(*p3++, j));
+        *p1++ = vo_round(L_shl(*p3++, j));
+    }
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/decim54.c b/media/libstagefright/codecs/amrwbenc/src/decim54.c
index 3b88514..e4c7940 100644
--- a/media/libstagefright/codecs/amrwbenc/src/decim54.c
+++ b/media/libstagefright/codecs/amrwbenc/src/decim54.c
@@ -17,7 +17,7 @@
 /***********************************************************************
 *      File: decim54.c                                                 *
 *                                                                      *
-*	   Description:Decimation of 16kHz signal to 12.8kHz           *
+*      Description:Decimation of 16kHz signal to 12.8kHz           *
 *                                                                      *
 ************************************************************************/
 
@@ -33,114 +33,114 @@
 
 /* Local functions */
 static void Down_samp(
-		Word16 * sig,                         /* input:  signal to downsampling  */
-		Word16 * sig_d,                       /* output: downsampled signal      */
-		Word16 L_frame_d                      /* input:  length of output        */
-		);
+        Word16 * sig,                         /* input:  signal to downsampling  */
+        Word16 * sig_d,                       /* output: downsampled signal      */
+        Word16 L_frame_d                      /* input:  length of output        */
+        );
 
 /* 1/5 resolution interpolation filter  (in Q14)  */
 /* -1.5dB @ 6kHz, -6dB @ 6.4kHz, -10dB @ 6.6kHz, -20dB @ 6.9kHz, -25dB @ 7kHz, -55dB @ 8kHz */
 
 static Word16 fir_down1[4][30] =
 {
-	{-5, 24, -50, 54, 0, -128, 294, -408, 344, 0, -647, 1505, -2379, 3034, 13107, 3034, -2379, 1505, -647, 0, 344, -408,
-	294, -128, 0, 54, -50, 24, -5, 0},
+    {-5, 24, -50, 54, 0, -128, 294, -408, 344, 0, -647, 1505, -2379, 3034, 13107, 3034, -2379, 1505, -647, 0, 344, -408,
+    294, -128, 0, 54, -50, 24, -5, 0},
 
-	{-6, 19, -26, 0, 77, -188, 270, -233, 0, 434, -964, 1366, -1293, 0, 12254, 6575, -2746, 1030, 0, -507, 601, -441,
-	198, 0, -95, 99, -58, 18, 0, -1},
+    {-6, 19, -26, 0, 77, -188, 270, -233, 0, 434, -964, 1366, -1293, 0, 12254, 6575, -2746, 1030, 0, -507, 601, -441,
+    198, 0, -95, 99, -58, 18, 0, -1},
 
-	{-3, 9, 0, -41, 111, -170, 153, 0, -295, 649, -888, 770, 0, -1997, 9894, 9894, -1997, 0, 770, -888, 649, -295, 0,
-	153, -170, 111, -41, 0, 9, -3},
+    {-3, 9, 0, -41, 111, -170, 153, 0, -295, 649, -888, 770, 0, -1997, 9894, 9894, -1997, 0, 770, -888, 649, -295, 0,
+    153, -170, 111, -41, 0, 9, -3},
 
-	{-1, 0, 18, -58, 99, -95, 0, 198, -441, 601, -507, 0, 1030, -2746, 6575, 12254, 0, -1293, 1366, -964, 434, 0,
-	-233, 270, -188, 77, 0, -26, 19, -6}
+    {-1, 0, 18, -58, 99, -95, 0, 198, -441, 601, -507, 0, 1030, -2746, 6575, 12254, 0, -1293, 1366, -964, 434, 0,
+    -233, 270, -188, 77, 0, -26, 19, -6}
 };
 
 void Init_Decim_12k8(
-		Word16 mem[]                          /* output: memory (2*NB_COEF_DOWN) set to zeros */
-		)
+        Word16 mem[]                          /* output: memory (2*NB_COEF_DOWN) set to zeros */
+        )
 {
-	Set_zero(mem, 2 * NB_COEF_DOWN);
-	return;
+    Set_zero(mem, 2 * NB_COEF_DOWN);
+    return;
 }
 
 void Decim_12k8(
-		Word16 sig16k[],                      /* input:  signal to downsampling  */
-		Word16 lg,                            /* input:  length of input         */
-		Word16 sig12k8[],                     /* output: decimated signal        */
-		Word16 mem[]                          /* in/out: memory (2*NB_COEF_DOWN) */
-	       )
+        Word16 sig16k[],                      /* input:  signal to downsampling  */
+        Word16 lg,                            /* input:  length of input         */
+        Word16 sig12k8[],                     /* output: decimated signal        */
+        Word16 mem[]                          /* in/out: memory (2*NB_COEF_DOWN) */
+           )
 {
-	Word16 lg_down;
-	Word16 signal[L_FRAME16k + (2 * NB_COEF_DOWN)];
+    Word16 lg_down;
+    Word16 signal[L_FRAME16k + (2 * NB_COEF_DOWN)];
 
-	Copy(mem, signal, 2 * NB_COEF_DOWN);
+    Copy(mem, signal, 2 * NB_COEF_DOWN);
 
-	Copy(sig16k, signal + (2 * NB_COEF_DOWN), lg);
+    Copy(sig16k, signal + (2 * NB_COEF_DOWN), lg);
 
-	lg_down = (lg * DOWN_FAC)>>15;
+    lg_down = (lg * DOWN_FAC)>>15;
 
-	Down_samp(signal + NB_COEF_DOWN, sig12k8, lg_down);
+    Down_samp(signal + NB_COEF_DOWN, sig12k8, lg_down);
 
-	Copy(signal + lg, mem, 2 * NB_COEF_DOWN);
+    Copy(signal + lg, mem, 2 * NB_COEF_DOWN);
 
-	return;
+    return;
 }
 
 static void Down_samp(
-		Word16 * sig,                         /* input:  signal to downsampling  */
-		Word16 * sig_d,                       /* output: downsampled signal      */
-		Word16 L_frame_d                      /* input:  length of output        */
-		)
+        Word16 * sig,                         /* input:  signal to downsampling  */
+        Word16 * sig_d,                       /* output: downsampled signal      */
+        Word16 L_frame_d                      /* input:  length of output        */
+        )
 {
-	Word32 i, j, frac, pos;
-	Word16 *x, *y;
-	Word32 L_sum;
+    Word32 i, j, frac, pos;
+    Word16 *x, *y;
+    Word32 L_sum;
 
-	pos = 0;                                 /* position is in Q2 -> 1/4 resolution  */
-	for (j = 0; j < L_frame_d; j++)
-	{
-		i = (pos >> 2);                   /* integer part     */
-		frac = pos & 3;                   /* fractional part */
-		x = sig + i - NB_COEF_DOWN + 1;
-		y = (Word16 *)(fir_down1 + frac);
+    pos = 0;                                 /* position is in Q2 -> 1/4 resolution  */
+    for (j = 0; j < L_frame_d; j++)
+    {
+        i = (pos >> 2);                   /* integer part     */
+        frac = pos & 3;                   /* fractional part */
+        x = sig + i - NB_COEF_DOWN + 1;
+        y = (Word16 *)(fir_down1 + frac);
 
-		L_sum = vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x++),(*y++));
-		L_sum += vo_mult32((*x),(*y));
+        L_sum = vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x++),(*y++));
+        L_sum += vo_mult32((*x),(*y));
 
-		L_sum = L_shl2(L_sum, 2);
-		sig_d[j] = extract_h(L_add(L_sum, 0x8000));
-		pos += FAC5;              /* pos + 5/4 */
-	}
-	return;
+        L_sum = L_shl2(L_sum, 2);
+        sig_d[j] = extract_h(L_add(L_sum, 0x8000));
+        pos += FAC5;              /* pos + 5/4 */
+    }
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/deemph.c b/media/libstagefright/codecs/amrwbenc/src/deemph.c
index 5eae6a7..a25a2c8 100644
--- a/media/libstagefright/codecs/amrwbenc/src/deemph.c
+++ b/media/libstagefright/codecs/amrwbenc/src/deemph.c
@@ -17,9 +17,9 @@
 /***********************************************************************
 *       File: deemph.c                                                 *
 *                                                                      *
-*	   Description:filtering through 1/(1-mu z^ -1)                    *
-*	               Deemph2 --> signal is divided by 2                  *
-*				   Deemph_32 --> for 32 bits signal.                   *
+*      Description:filtering through 1/(1-mu z^ -1)                    *
+*                  Deemph2 --> signal is divided by 2                  *
+*                  Deemph_32 --> for 32 bits signal.                   *
 *                                                                      *
 ************************************************************************/
 
@@ -28,100 +28,100 @@
 #include "math_op.h"
 
 void Deemph(
-		Word16 x[],                           /* (i/o)   : input signal overwritten by the output */
-		Word16 mu,                            /* (i) Q15 : deemphasis factor                      */
-		Word16 L,                             /* (i)     : vector size                            */
-		Word16 * mem                          /* (i/o)   : memory (y[-1])                         */
-	   )
+        Word16 x[],                           /* (i/o)   : input signal overwritten by the output */
+        Word16 mu,                            /* (i) Q15 : deemphasis factor                      */
+        Word16 L,                             /* (i)     : vector size                            */
+        Word16 * mem                          /* (i/o)   : memory (y[-1])                         */
+       )
 {
-	Word32 i;
-	Word32 L_tmp;
+    Word32 i;
+    Word32 L_tmp;
 
-	L_tmp = L_deposit_h(x[0]);
-	L_tmp = L_mac(L_tmp, *mem, mu);
-	x[0] = vo_round(L_tmp);
+    L_tmp = L_deposit_h(x[0]);
+    L_tmp = L_mac(L_tmp, *mem, mu);
+    x[0] = vo_round(L_tmp);
 
-	for (i = 1; i < L; i++)
-	{
-		L_tmp = L_deposit_h(x[i]);
-		L_tmp = L_mac(L_tmp, x[i - 1], mu);
-		x[i] = voround(L_tmp);
-	}
+    for (i = 1; i < L; i++)
+    {
+        L_tmp = L_deposit_h(x[i]);
+        L_tmp = L_mac(L_tmp, x[i - 1], mu);
+        x[i] = voround(L_tmp);
+    }
 
-	*mem = x[L - 1];
+    *mem = x[L - 1];
 
-	return;
+    return;
 }
 
 
 void Deemph2(
-		Word16 x[],                           /* (i/o)   : input signal overwritten by the output */
-		Word16 mu,                            /* (i) Q15 : deemphasis factor                      */
-		Word16 L,                             /* (i)     : vector size                            */
-		Word16 * mem                          /* (i/o)   : memory (y[-1])                         */
-	    )
+        Word16 x[],                           /* (i/o)   : input signal overwritten by the output */
+        Word16 mu,                            /* (i) Q15 : deemphasis factor                      */
+        Word16 L,                             /* (i)     : vector size                            */
+        Word16 * mem                          /* (i/o)   : memory (y[-1])                         */
+        )
 {
-	Word32 i;
-	Word32 L_tmp;
-	L_tmp = x[0] << 15;
-	L_tmp += ((*mem) * mu)<<1;
-	x[0] = (L_tmp + 0x8000)>>16;
-	for (i = 1; i < L; i++)
-	{
-		Word32 tmp;
-		L_tmp = x[i] << 15;
-		tmp = (x[i - 1] * mu)<<1;
-		if (tmp > 0 && L_tmp > INT_MAX - tmp) {
-			L_tmp = INT_MAX;
-		} else if (tmp < 0 && L_tmp < INT_MIN - tmp) {
-			L_tmp = INT_MIN;
-		} else {
-			L_tmp += tmp;
-		}
-		if (L_tmp > INT32_MAX - 0x8000) {
-			L_tmp = INT_MAX - 0x8000;
-		}
-		x[i] = (L_tmp + 0x8000)>>16;
-	}
-	*mem = x[L - 1];
-	return;
+    Word32 i;
+    Word32 L_tmp;
+    L_tmp = x[0] << 15;
+    L_tmp += ((*mem) * mu)<<1;
+    x[0] = (L_tmp + 0x8000)>>16;
+    for (i = 1; i < L; i++)
+    {
+        Word32 tmp;
+        L_tmp = x[i] << 15;
+        tmp = (x[i - 1] * mu)<<1;
+        if (tmp > 0 && L_tmp > INT_MAX - tmp) {
+            L_tmp = INT_MAX;
+        } else if (tmp < 0 && L_tmp < INT_MIN - tmp) {
+            L_tmp = INT_MIN;
+        } else {
+            L_tmp += tmp;
+        }
+        if (L_tmp > INT32_MAX - 0x8000) {
+            L_tmp = INT_MAX - 0x8000;
+        }
+        x[i] = (L_tmp + 0x8000)>>16;
+    }
+    *mem = x[L - 1];
+    return;
 }
 
 
 void Deemph_32(
-		Word16 x_hi[],                        /* (i)     : input signal (bit31..16) */
-		Word16 x_lo[],                        /* (i)     : input signal (bit15..4)  */
-		Word16 y[],                           /* (o)     : output signal (x16)      */
-		Word16 mu,                            /* (i) Q15 : deemphasis factor        */
-		Word16 L,                             /* (i)     : vector size              */
-		Word16 * mem                          /* (i/o)   : memory (y[-1])           */
-	      )
+        Word16 x_hi[],                        /* (i)     : input signal (bit31..16) */
+        Word16 x_lo[],                        /* (i)     : input signal (bit15..4)  */
+        Word16 y[],                           /* (o)     : output signal (x16)      */
+        Word16 mu,                            /* (i) Q15 : deemphasis factor        */
+        Word16 L,                             /* (i)     : vector size              */
+        Word16 * mem                          /* (i/o)   : memory (y[-1])           */
+          )
 {
-	Word16 fac;
-	Word32 i, L_tmp;
+    Word16 fac;
+    Word32 i, L_tmp;
 
-	fac = mu >> 1;                                /* Q15 --> Q14 */
+    fac = mu >> 1;                                /* Q15 --> Q14 */
 
-	L_tmp = L_deposit_h(x_hi[0]);
-	L_tmp += (x_lo[0] * 8)<<1;
-	L_tmp = (L_tmp << 3);
-	L_tmp += ((*mem) * fac)<<1;
-	L_tmp = (L_tmp << 1);
-	y[0] = (L_tmp + 0x8000)>>16;
+    L_tmp = L_deposit_h(x_hi[0]);
+    L_tmp += (x_lo[0] * 8)<<1;
+    L_tmp = (L_tmp << 3);
+    L_tmp += ((*mem) * fac)<<1;
+    L_tmp = (L_tmp << 1);
+    y[0] = (L_tmp + 0x8000)>>16;
 
-	for (i = 1; i < L; i++)
-	{
-		L_tmp = L_deposit_h(x_hi[i]);
-		L_tmp += (x_lo[i] * 8)<<1;
-		L_tmp = (L_tmp << 3);
-		L_tmp += (y[i - 1] * fac)<<1;
-		L_tmp = (L_tmp << 1);
-		y[i] = (L_tmp + 0x8000)>>16;
-	}
+    for (i = 1; i < L; i++)
+    {
+        L_tmp = L_deposit_h(x_hi[i]);
+        L_tmp += (x_lo[i] * 8)<<1;
+        L_tmp = (L_tmp << 3);
+        L_tmp += (y[i - 1] * fac)<<1;
+        L_tmp = (L_tmp << 1);
+        y[i] = (L_tmp + 0x8000)>>16;
+    }
 
-	*mem = y[L - 1];
+    *mem = y[L - 1];
 
-	return;
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/dtx.c b/media/libstagefright/codecs/amrwbenc/src/dtx.c
index 2cfaced..6be8683 100644
--- a/media/libstagefright/codecs/amrwbenc/src/dtx.c
+++ b/media/libstagefright/codecs/amrwbenc/src/dtx.c
@@ -17,7 +17,7 @@
 /***********************************************************************
 *       File: dtx.c                                                    *
 *                                                                      *
-*	    Description:DTX functions                                  *
+*       Description:DTX functions                                  *
 *                                                                      *
 ************************************************************************/
 
@@ -35,33 +35,33 @@
 #include "mem_align.h"
 
 static void aver_isf_history(
-		Word16 isf_old[],
-		Word16 indices[],
-		Word32 isf_aver[]
-		);
+        Word16 isf_old[],
+        Word16 indices[],
+        Word32 isf_aver[]
+        );
 
 static void find_frame_indices(
-		Word16 isf_old_tx[],
-		Word16 indices[],
-		dtx_encState * st
-		);
+        Word16 isf_old_tx[],
+        Word16 indices[],
+        dtx_encState * st
+        );
 
 static Word16 dithering_control(
-		dtx_encState * st
-		);
+        dtx_encState * st
+        );
 
 /* excitation energy adjustment depending on speech coder mode used, Q7 */
 static Word16 en_adjust[9] =
 {
-	230,                                   /* mode0 = 7k  :  -5.4dB  */
-	179,                                   /* mode1 = 9k  :  -4.2dB  */
-	141,                                   /* mode2 = 12k :  -3.3dB  */
-	128,                                   /* mode3 = 14k :  -3.0dB  */
-	122,                                   /* mode4 = 16k :  -2.85dB */
-	115,                                   /* mode5 = 18k :  -2.7dB  */
-	115,                                   /* mode6 = 20k :  -2.7dB  */
-	115,                                   /* mode7 = 23k :  -2.7dB  */
-	115                                    /* mode8 = 24k :  -2.7dB  */
+    230,                                   /* mode0 = 7k  :  -5.4dB  */
+    179,                                   /* mode1 = 9k  :  -4.2dB  */
+    141,                                   /* mode2 = 12k :  -3.3dB  */
+    128,                                   /* mode3 = 14k :  -3.0dB  */
+    122,                                   /* mode4 = 16k :  -2.85dB */
+    115,                                   /* mode5 = 18k :  -2.7dB  */
+    115,                                   /* mode6 = 20k :  -2.7dB  */
+    115,                                   /* mode7 = 23k :  -2.7dB  */
+    115                                    /* mode8 = 24k :  -2.7dB  */
 };
 
 /**************************************************************************
@@ -71,24 +71,24 @@
 **************************************************************************/
 Word16 dtx_enc_init(dtx_encState ** st, Word16 isf_init[], VO_MEM_OPERATOR *pMemOP)
 {
-	dtx_encState *s;
+    dtx_encState *s;
 
-	if (st == (dtx_encState **) NULL)
-	{
-		fprintf(stderr, "dtx_enc_init: invalid parameter\n");
-		return -1;
-	}
-	*st = NULL;
+    if (st == (dtx_encState **) NULL)
+    {
+        fprintf(stderr, "dtx_enc_init: invalid parameter\n");
+        return -1;
+    }
+    *st = NULL;
 
-	/* allocate memory */
-	if ((s = (dtx_encState *)mem_malloc(pMemOP, sizeof(dtx_encState), 32, VO_INDEX_ENC_AMRWB)) == NULL)
-	{
-		fprintf(stderr, "dtx_enc_init: can not malloc state structure\n");
-		return -1;
-	}
-	dtx_enc_reset(s, isf_init);
-	*st = s;
-	return 0;
+    /* allocate memory */
+    if ((s = (dtx_encState *)mem_malloc(pMemOP, sizeof(dtx_encState), 32, VO_INDEX_ENC_AMRWB)) == NULL)
+    {
+        fprintf(stderr, "dtx_enc_init: can not malloc state structure\n");
+        return -1;
+    }
+    dtx_enc_reset(s, isf_init);
+    *st = s;
+    return 0;
 }
 
 /**************************************************************************
@@ -98,40 +98,40 @@
 **************************************************************************/
 Word16 dtx_enc_reset(dtx_encState * st, Word16 isf_init[])
 {
-	Word32 i;
+    Word32 i;
 
-	if (st == (dtx_encState *) NULL)
-	{
-		fprintf(stderr, "dtx_enc_reset: invalid parameter\n");
-		return -1;
-	}
-	st->hist_ptr = 0;
-	st->log_en_index = 0;
+    if (st == (dtx_encState *) NULL)
+    {
+        fprintf(stderr, "dtx_enc_reset: invalid parameter\n");
+        return -1;
+    }
+    st->hist_ptr = 0;
+    st->log_en_index = 0;
 
-	/* Init isf_hist[] */
-	for (i = 0; i < DTX_HIST_SIZE; i++)
-	{
-		Copy(isf_init, &st->isf_hist[i * M], M);
-	}
-	st->cng_seed = RANDOM_INITSEED;
+    /* Init isf_hist[] */
+    for (i = 0; i < DTX_HIST_SIZE; i++)
+    {
+        Copy(isf_init, &st->isf_hist[i * M], M);
+    }
+    st->cng_seed = RANDOM_INITSEED;
 
-	/* Reset energy history */
-	Set_zero(st->log_en_hist, DTX_HIST_SIZE);
+    /* Reset energy history */
+    Set_zero(st->log_en_hist, DTX_HIST_SIZE);
 
-	st->dtxHangoverCount = DTX_HANG_CONST;
-	st->decAnaElapsedCount = 32767;
+    st->dtxHangoverCount = DTX_HANG_CONST;
+    st->decAnaElapsedCount = 32767;
 
-	for (i = 0; i < 28; i++)
-	{
-		st->D[i] = 0;
-	}
+    for (i = 0; i < 28; i++)
+    {
+        st->D[i] = 0;
+    }
 
-	for (i = 0; i < DTX_HIST_SIZE - 1; i++)
-	{
-		st->sumD[i] = 0;
-	}
+    for (i = 0; i < DTX_HIST_SIZE - 1; i++)
+    {
+        st->sumD[i] = 0;
+    }
 
-	return 1;
+    return 1;
 }
 
 /**************************************************************************
@@ -141,12 +141,12 @@
 **************************************************************************/
 void dtx_enc_exit(dtx_encState ** st, VO_MEM_OPERATOR *pMemOP)
 {
-	if (st == NULL || *st == NULL)
-		return;
-	/* deallocate memory */
-	mem_free(pMemOP, *st, VO_INDEX_ENC_AMRWB);
-	*st = NULL;
-	return;
+    if (st == NULL || *st == NULL)
+        return;
+    /* deallocate memory */
+    mem_free(pMemOP, *st, VO_INDEX_ENC_AMRWB);
+    *st = NULL;
+    return;
 }
 
 
@@ -156,133 +156,133 @@
 *
 **************************************************************************/
 Word16 dtx_enc(
-		dtx_encState * st,                    /* i/o : State struct                                         */
-		Word16 isf[M],                        /* o   : CN ISF vector                                        */
-		Word16 * exc2,                        /* o   : CN excitation                                        */
-		Word16 ** prms
-	      )
+        dtx_encState * st,                    /* i/o : State struct                                         */
+        Word16 isf[M],                        /* o   : CN ISF vector                                        */
+        Word16 * exc2,                        /* o   : CN excitation                                        */
+        Word16 ** prms
+          )
 {
-	Word32 i, j;
-	Word16 indice[7];
-	Word16 log_en, gain, level, exp, exp0, tmp;
-	Word16 log_en_int_e, log_en_int_m;
-	Word32 L_isf[M], ener32, level32;
-	Word16 isf_order[3];
-	Word16 CN_dith;
+    Word32 i, j;
+    Word16 indice[7];
+    Word16 log_en, gain, level, exp, exp0, tmp;
+    Word16 log_en_int_e, log_en_int_m;
+    Word32 L_isf[M], ener32, level32;
+    Word16 isf_order[3];
+    Word16 CN_dith;
 
-	/* VOX mode computation of SID parameters */
-	log_en = 0;
-	for (i = 0; i < M; i++)
-	{
-		L_isf[i] = 0;
-	}
-	/* average energy and isf */
-	for (i = 0; i < DTX_HIST_SIZE; i++)
-	{
-		/* Division by DTX_HIST_SIZE = 8 has been done in dtx_buffer. log_en is in Q10 */
-		log_en = add(log_en, st->log_en_hist[i]);
+    /* VOX mode computation of SID parameters */
+    log_en = 0;
+    for (i = 0; i < M; i++)
+    {
+        L_isf[i] = 0;
+    }
+    /* average energy and isf */
+    for (i = 0; i < DTX_HIST_SIZE; i++)
+    {
+        /* Division by DTX_HIST_SIZE = 8 has been done in dtx_buffer. log_en is in Q10 */
+        log_en = add(log_en, st->log_en_hist[i]);
 
-	}
-	find_frame_indices(st->isf_hist, isf_order, st);
-	aver_isf_history(st->isf_hist, isf_order, L_isf);
+    }
+    find_frame_indices(st->isf_hist, isf_order, st);
+    aver_isf_history(st->isf_hist, isf_order, L_isf);
 
-	for (j = 0; j < M; j++)
-	{
-		isf[j] = (Word16)(L_isf[j] >> 3);  /* divide by 8 */
-	}
+    for (j = 0; j < M; j++)
+    {
+        isf[j] = (Word16)(L_isf[j] >> 3);  /* divide by 8 */
+    }
 
-	/* quantize logarithmic energy to 6 bits (-6 : 66 dB) which corresponds to -2:22 in log2(E).  */
-	/* st->log_en_index = (short)( (log_en + 2.0) * 2.625 ); */
+    /* quantize logarithmic energy to 6 bits (-6 : 66 dB) which corresponds to -2:22 in log2(E).  */
+    /* st->log_en_index = (short)( (log_en + 2.0) * 2.625 ); */
 
-	/* increase dynamics to 7 bits (Q8) */
-	log_en = (log_en >> 2);
+    /* increase dynamics to 7 bits (Q8) */
+    log_en = (log_en >> 2);
 
-	/* Add 2 in Q8 = 512 to get log2(E) between 0:24 */
-	log_en = add(log_en, 512);
+    /* Add 2 in Q8 = 512 to get log2(E) between 0:24 */
+    log_en = add(log_en, 512);
 
-	/* Multiply by 2.625 to get full 6 bit range. 2.625 = 21504 in Q13. The result is in Q6 */
-	log_en = mult(log_en, 21504);
+    /* Multiply by 2.625 to get full 6 bit range. 2.625 = 21504 in Q13. The result is in Q6 */
+    log_en = mult(log_en, 21504);
 
-	/* Quantize Energy */
-	st->log_en_index = shr(log_en, 6);
+    /* Quantize Energy */
+    st->log_en_index = shr(log_en, 6);
 
-	if(st->log_en_index > 63)
-	{
-		st->log_en_index = 63;
-	}
-	if (st->log_en_index < 0)
-	{
-		st->log_en_index = 0;
-	}
-	/* Quantize ISFs */
-	Qisf_ns(isf, isf, indice);
+    if(st->log_en_index > 63)
+    {
+        st->log_en_index = 63;
+    }
+    if (st->log_en_index < 0)
+    {
+        st->log_en_index = 0;
+    }
+    /* Quantize ISFs */
+    Qisf_ns(isf, isf, indice);
 
 
-	Parm_serial(indice[0], 6, prms);
-	Parm_serial(indice[1], 6, prms);
-	Parm_serial(indice[2], 6, prms);
-	Parm_serial(indice[3], 5, prms);
-	Parm_serial(indice[4], 5, prms);
+    Parm_serial(indice[0], 6, prms);
+    Parm_serial(indice[1], 6, prms);
+    Parm_serial(indice[2], 6, prms);
+    Parm_serial(indice[3], 5, prms);
+    Parm_serial(indice[4], 5, prms);
 
-	Parm_serial((st->log_en_index), 6, prms);
+    Parm_serial((st->log_en_index), 6, prms);
 
-	CN_dith = dithering_control(st);
-	Parm_serial(CN_dith, 1, prms);
+    CN_dith = dithering_control(st);
+    Parm_serial(CN_dith, 1, prms);
 
-	/* level = (float)( pow( 2.0f, (float)st->log_en_index / 2.625 - 2.0 ) );    */
-	/* log2(E) in Q9 (log2(E) lies in between -2:22) */
-	log_en = shl(st->log_en_index, 15 - 6);
+    /* level = (float)( pow( 2.0f, (float)st->log_en_index / 2.625 - 2.0 ) );    */
+    /* log2(E) in Q9 (log2(E) lies in between -2:22) */
+    log_en = shl(st->log_en_index, 15 - 6);
 
-	/* Divide by 2.625; log_en will be between 0:24  */
-	log_en = mult(log_en, 12483);
-	/* the result corresponds to log2(gain) in Q10 */
+    /* Divide by 2.625; log_en will be between 0:24  */
+    log_en = mult(log_en, 12483);
+    /* the result corresponds to log2(gain) in Q10 */
 
-	/* Find integer part  */
-	log_en_int_e = (log_en >> 10);
+    /* Find integer part  */
+    log_en_int_e = (log_en >> 10);
 
-	/* Find fractional part */
-	log_en_int_m = (Word16) (log_en & 0x3ff);
-	log_en_int_m = shl(log_en_int_m, 5);
+    /* Find fractional part */
+    log_en_int_m = (Word16) (log_en & 0x3ff);
+    log_en_int_m = shl(log_en_int_m, 5);
 
-	/* Subtract 2 from log_en in Q9, i.e divide the gain by 2 (energy by 4) */
-	/* Add 16 in order to have the result of pow2 in Q16 */
-	log_en_int_e = add(log_en_int_e, 16 - 1);
+    /* Subtract 2 from log_en in Q9, i.e divide the gain by 2 (energy by 4) */
+    /* Add 16 in order to have the result of pow2 in Q16 */
+    log_en_int_e = add(log_en_int_e, 16 - 1);
 
-	level32 = Pow2(log_en_int_e, log_en_int_m); /* Q16 */
-	exp0 = norm_l(level32);
-	level32 = (level32 << exp0);        /* level in Q31 */
-	exp0 = (15 - exp0);
-	level = extract_h(level32);            /* level in Q15 */
+    level32 = Pow2(log_en_int_e, log_en_int_m); /* Q16 */
+    exp0 = norm_l(level32);
+    level32 = (level32 << exp0);        /* level in Q31 */
+    exp0 = (15 - exp0);
+    level = extract_h(level32);            /* level in Q15 */
 
-	/* generate white noise vector */
-	for (i = 0; i < L_FRAME; i++)
-	{
-		exc2[i] = (Random(&(st->cng_seed)) >> 4);
-	}
+    /* generate white noise vector */
+    for (i = 0; i < L_FRAME; i++)
+    {
+        exc2[i] = (Random(&(st->cng_seed)) >> 4);
+    }
 
-	/* gain = level / sqrt(ener) * sqrt(L_FRAME) */
+    /* gain = level / sqrt(ener) * sqrt(L_FRAME) */
 
-	/* energy of generated excitation */
-	ener32 = Dot_product12(exc2, exc2, L_FRAME, &exp);
+    /* energy of generated excitation */
+    ener32 = Dot_product12(exc2, exc2, L_FRAME, &exp);
 
-	Isqrt_n(&ener32, &exp);
+    Isqrt_n(&ener32, &exp);
 
-	gain = extract_h(ener32);
+    gain = extract_h(ener32);
 
-	gain = mult(level, gain);              /* gain in Q15 */
+    gain = mult(level, gain);              /* gain in Q15 */
 
-	exp = add(exp0, exp);
+    exp = add(exp0, exp);
 
-	/* Multiply by sqrt(L_FRAME)=16, i.e. shift left by 4 */
-	exp += 4;
+    /* Multiply by sqrt(L_FRAME)=16, i.e. shift left by 4 */
+    exp += 4;
 
-	for (i = 0; i < L_FRAME; i++)
-	{
-		tmp = mult(exc2[i], gain);         /* Q0 * Q15 */
-		exc2[i] = shl(tmp, exp);
-	}
+    for (i = 0; i < L_FRAME; i++)
+    {
+        tmp = mult(exc2[i], gain);         /* Q0 * Q15 */
+        exc2[i] = shl(tmp, exp);
+    }
 
-	return 0;
+    return 0;
 }
 
 /**************************************************************************
@@ -291,45 +291,45 @@
 *
 **************************************************************************/
 Word16 dtx_buffer(
-		dtx_encState * st,                    /* i/o : State struct                    */
-		Word16 isf_new[],                     /* i   : isf vector                      */
-		Word32 enr,                           /* i   : residual energy (in L_FRAME)    */
-		Word16 codec_mode
-		)
+        dtx_encState * st,                    /* i/o : State struct                    */
+        Word16 isf_new[],                     /* i   : isf vector                      */
+        Word32 enr,                           /* i   : residual energy (in L_FRAME)    */
+        Word16 codec_mode
+        )
 {
-	Word16 log_en;
+    Word16 log_en;
 
-	Word16 log_en_e;
-	Word16 log_en_m;
-	st->hist_ptr = add(st->hist_ptr, 1);
-	if(st->hist_ptr == DTX_HIST_SIZE)
-	{
-		st->hist_ptr = 0;
-	}
-	/* copy lsp vector into buffer */
-	Copy(isf_new, &st->isf_hist[st->hist_ptr * M], M);
+    Word16 log_en_e;
+    Word16 log_en_m;
+    st->hist_ptr = add(st->hist_ptr, 1);
+    if(st->hist_ptr == DTX_HIST_SIZE)
+    {
+        st->hist_ptr = 0;
+    }
+    /* copy lsp vector into buffer */
+    Copy(isf_new, &st->isf_hist[st->hist_ptr * M], M);
 
-	/* log_en = (float)log10(enr*0.0059322)/(float)log10(2.0f);  */
-	Log2(enr, &log_en_e, &log_en_m);
+    /* log_en = (float)log10(enr*0.0059322)/(float)log10(2.0f);  */
+    Log2(enr, &log_en_e, &log_en_m);
 
-	/* convert exponent and mantissa to Word16 Q7. Q7 is used to simplify averaging in dtx_enc */
-	log_en = shl(log_en_e, 7);             /* Q7 */
-	log_en = add(log_en, shr(log_en_m, 15 - 7));
+    /* convert exponent and mantissa to Word16 Q7. Q7 is used to simplify averaging in dtx_enc */
+    log_en = shl(log_en_e, 7);             /* Q7 */
+    log_en = add(log_en, shr(log_en_m, 15 - 7));
 
-	/* Find energy per sample by multiplying with 0.0059322, i.e subtract log2(1/0.0059322) = 7.39722 The
-	 * constant 0.0059322 takes into account windowings and analysis length from autocorrelation
-	 * computations; 7.39722 in Q7 = 947  */
-	/* Subtract 3 dB = 0.99658 in log2(E) = 127 in Q7. */
-	/* log_en = sub( log_en, 947 + en_adjust[codec_mode] ); */
+    /* Find energy per sample by multiplying with 0.0059322, i.e subtract log2(1/0.0059322) = 7.39722 The
+     * constant 0.0059322 takes into account windowings and analysis length from autocorrelation
+     * computations; 7.39722 in Q7 = 947  */
+    /* Subtract 3 dB = 0.99658 in log2(E) = 127 in Q7. */
+    /* log_en = sub( log_en, 947 + en_adjust[codec_mode] ); */
 
-	/* Find energy per sample (divide by L_FRAME=256), i.e subtract log2(256) = 8.0  (1024 in Q7) */
-	/* Subtract 3 dB = 0.99658 in log2(E) = 127 in Q7. */
+    /* Find energy per sample (divide by L_FRAME=256), i.e subtract log2(256) = 8.0  (1024 in Q7) */
+    /* Subtract 3 dB = 0.99658 in log2(E) = 127 in Q7. */
 
-	log_en = sub(log_en, add(1024, en_adjust[codec_mode]));
+    log_en = sub(log_en, add(1024, en_adjust[codec_mode]));
 
-	/* Insert into the buffer */
-	st->log_en_hist[st->hist_ptr] = log_en;
-	return 0;
+    /* Insert into the buffer */
+    st->log_en_hist[st->hist_ptr] = log_en;
+    return 0;
 }
 
 /**************************************************************************
@@ -339,267 +339,267 @@
 *                                            the decoding side.
 **************************************************************************/
 void tx_dtx_handler(dtx_encState * st,     /* i/o : State struct           */
-		Word16 vad_flag,                      /* i   : vad decision           */
-		Word16 * usedMode                     /* i/o : mode changed or not    */
-		)
+        Word16 vad_flag,                      /* i   : vad decision           */
+        Word16 * usedMode                     /* i/o : mode changed or not    */
+        )
 {
 
-	/* this state machine is in synch with the GSMEFR txDtx machine      */
-	st->decAnaElapsedCount = add(st->decAnaElapsedCount, 1);
+    /* this state machine is in synch with the GSMEFR txDtx machine      */
+    st->decAnaElapsedCount = add(st->decAnaElapsedCount, 1);
 
-	if (vad_flag != 0)
-	{
-		st->dtxHangoverCount = DTX_HANG_CONST;
-	} else
-	{                                      /* non-speech */
-		if (st->dtxHangoverCount == 0)
-		{                                  /* out of decoder analysis hangover  */
-			st->decAnaElapsedCount = 0;
-			*usedMode = MRDTX;
-		} else
-		{                                  /* in possible analysis hangover */
-			st->dtxHangoverCount = sub(st->dtxHangoverCount, 1);
+    if (vad_flag != 0)
+    {
+        st->dtxHangoverCount = DTX_HANG_CONST;
+    } else
+    {                                      /* non-speech */
+        if (st->dtxHangoverCount == 0)
+        {                                  /* out of decoder analysis hangover  */
+            st->decAnaElapsedCount = 0;
+            *usedMode = MRDTX;
+        } else
+        {                                  /* in possible analysis hangover */
+            st->dtxHangoverCount = sub(st->dtxHangoverCount, 1);
 
-			/* decAnaElapsedCount + dtxHangoverCount < DTX_ELAPSED_FRAMES_THRESH */
-			if (sub(add(st->decAnaElapsedCount, st->dtxHangoverCount),
-						DTX_ELAPSED_FRAMES_THRESH) < 0)
-			{
-				*usedMode = MRDTX;
-				/* if short time since decoder update, do not add extra HO */
-			}
-			/* else override VAD and stay in speech mode *usedMode and add extra hangover */
-		}
-	}
+            /* decAnaElapsedCount + dtxHangoverCount < DTX_ELAPSED_FRAMES_THRESH */
+            if (sub(add(st->decAnaElapsedCount, st->dtxHangoverCount),
+                        DTX_ELAPSED_FRAMES_THRESH) < 0)
+            {
+                *usedMode = MRDTX;
+                /* if short time since decoder update, do not add extra HO */
+            }
+            /* else override VAD and stay in speech mode *usedMode and add extra hangover */
+        }
+    }
 
-	return;
+    return;
 }
 
 
 
 static void aver_isf_history(
-		Word16 isf_old[],
-		Word16 indices[],
-		Word32 isf_aver[]
-		)
+        Word16 isf_old[],
+        Word16 indices[],
+        Word32 isf_aver[]
+        )
 {
-	Word32 i, j, k;
-	Word16 isf_tmp[2 * M];
-	Word32 L_tmp;
+    Word32 i, j, k;
+    Word16 isf_tmp[2 * M];
+    Word32 L_tmp;
 
-	/* Memorize in isf_tmp[][] the ISF vectors to be replaced by */
-	/* the median ISF vector prior to the averaging               */
-	for (k = 0; k < 2; k++)
-	{
-		if ((indices[k] + 1) != 0)
-		{
-			for (i = 0; i < M; i++)
-			{
-				isf_tmp[k * M + i] = isf_old[indices[k] * M + i];
-				isf_old[indices[k] * M + i] = isf_old[indices[2] * M + i];
-			}
-		}
-	}
+    /* Memorize in isf_tmp[][] the ISF vectors to be replaced by */
+    /* the median ISF vector prior to the averaging               */
+    for (k = 0; k < 2; k++)
+    {
+        if ((indices[k] + 1) != 0)
+        {
+            for (i = 0; i < M; i++)
+            {
+                isf_tmp[k * M + i] = isf_old[indices[k] * M + i];
+                isf_old[indices[k] * M + i] = isf_old[indices[2] * M + i];
+            }
+        }
+    }
 
-	/* Perform the ISF averaging */
-	for (j = 0; j < M; j++)
-	{
-		L_tmp = 0;
+    /* Perform the ISF averaging */
+    for (j = 0; j < M; j++)
+    {
+        L_tmp = 0;
 
-		for (i = 0; i < DTX_HIST_SIZE; i++)
-		{
-			L_tmp = L_add(L_tmp, L_deposit_l(isf_old[i * M + j]));
-		}
-		isf_aver[j] = L_tmp;
-	}
+        for (i = 0; i < DTX_HIST_SIZE; i++)
+        {
+            L_tmp = L_add(L_tmp, L_deposit_l(isf_old[i * M + j]));
+        }
+        isf_aver[j] = L_tmp;
+    }
 
-	/* Retrieve from isf_tmp[][] the ISF vectors saved prior to averaging */
-	for (k = 0; k < 2; k++)
-	{
-		if ((indices[k] + 1) != 0)
-		{
-			for (i = 0; i < M; i++)
-			{
-				isf_old[indices[k] * M + i] = isf_tmp[k * M + i];
-			}
-		}
-	}
+    /* Retrieve from isf_tmp[][] the ISF vectors saved prior to averaging */
+    for (k = 0; k < 2; k++)
+    {
+        if ((indices[k] + 1) != 0)
+        {
+            for (i = 0; i < M; i++)
+            {
+                isf_old[indices[k] * M + i] = isf_tmp[k * M + i];
+            }
+        }
+    }
 
-	return;
+    return;
 }
 
 static void find_frame_indices(
-		Word16 isf_old_tx[],
-		Word16 indices[],
-		dtx_encState * st
-		)
+        Word16 isf_old_tx[],
+        Word16 indices[],
+        dtx_encState * st
+        )
 {
-	Word32 L_tmp, summin, summax, summax2nd;
-	Word16 i, j, tmp;
-	Word16 ptr;
+    Word32 L_tmp, summin, summax, summax2nd;
+    Word16 i, j, tmp;
+    Word16 ptr;
 
-	/* Remove the effect of the oldest frame from the column */
-	/* sum sumD[0..DTX_HIST_SIZE-1]. sumD[DTX_HIST_SIZE] is    */
-	/* not updated since it will be removed later.           */
+    /* Remove the effect of the oldest frame from the column */
+    /* sum sumD[0..DTX_HIST_SIZE-1]. sumD[DTX_HIST_SIZE] is    */
+    /* not updated since it will be removed later.           */
 
-	tmp = DTX_HIST_SIZE_MIN_ONE;
-	j = -1;
-	for (i = 0; i < DTX_HIST_SIZE_MIN_ONE; i++)
-	{
-		j = add(j, tmp);
-		st->sumD[i] = L_sub(st->sumD[i], st->D[j]);
-		tmp = sub(tmp, 1);
-	}
+    tmp = DTX_HIST_SIZE_MIN_ONE;
+    j = -1;
+    for (i = 0; i < DTX_HIST_SIZE_MIN_ONE; i++)
+    {
+        j = add(j, tmp);
+        st->sumD[i] = L_sub(st->sumD[i], st->D[j]);
+        tmp = sub(tmp, 1);
+    }
 
-	/* Shift the column sum sumD. The element sumD[DTX_HIST_SIZE-1]    */
-	/* corresponding to the oldest frame is removed. The sum of     */
-	/* the distances between the latest isf and other isfs, */
-	/* i.e. the element sumD[0], will be computed during this call. */
-	/* Hence this element is initialized to zero.                   */
+    /* Shift the column sum sumD. The element sumD[DTX_HIST_SIZE-1]    */
+    /* corresponding to the oldest frame is removed. The sum of     */
+    /* the distances between the latest isf and other isfs, */
+    /* i.e. the element sumD[0], will be computed during this call. */
+    /* Hence this element is initialized to zero.                   */
 
-	for (i = DTX_HIST_SIZE_MIN_ONE; i > 0; i--)
-	{
-		st->sumD[i] = st->sumD[i - 1];
-	}
-	st->sumD[0] = 0;
+    for (i = DTX_HIST_SIZE_MIN_ONE; i > 0; i--)
+    {
+        st->sumD[i] = st->sumD[i - 1];
+    }
+    st->sumD[0] = 0;
 
-	/* Remove the oldest frame from the distance matrix.           */
-	/* Note that the distance matrix is replaced by a one-         */
-	/* dimensional array to save static memory.                    */
+    /* Remove the oldest frame from the distance matrix.           */
+    /* Note that the distance matrix is replaced by a one-         */
+    /* dimensional array to save static memory.                    */
 
-	tmp = 0;
-	for (i = 27; i >= 12; i = (Word16) (i - tmp))
-	{
-		tmp = add(tmp, 1);
-		for (j = tmp; j > 0; j--)
-		{
-			st->D[i - j + 1] = st->D[i - j - tmp];
-		}
-	}
+    tmp = 0;
+    for (i = 27; i >= 12; i = (Word16) (i - tmp))
+    {
+        tmp = add(tmp, 1);
+        for (j = tmp; j > 0; j--)
+        {
+            st->D[i - j + 1] = st->D[i - j - tmp];
+        }
+    }
 
-	/* Compute the first column of the distance matrix D            */
-	/* (squared Euclidean distances from isf1[] to isf_old_tx[][]). */
+    /* Compute the first column of the distance matrix D            */
+    /* (squared Euclidean distances from isf1[] to isf_old_tx[][]). */
 
-	ptr = st->hist_ptr;
-	for (i = 1; i < DTX_HIST_SIZE; i++)
-	{
-		/* Compute the distance between the latest isf and the other isfs. */
-		ptr = sub(ptr, 1);
-		if (ptr < 0)
-		{
-			ptr = DTX_HIST_SIZE_MIN_ONE;
-		}
-		L_tmp = 0;
-		for (j = 0; j < M; j++)
-		{
-			tmp = sub(isf_old_tx[st->hist_ptr * M + j], isf_old_tx[ptr * M + j]);
-			L_tmp = L_mac(L_tmp, tmp, tmp);
-		}
-		st->D[i - 1] = L_tmp;
+    ptr = st->hist_ptr;
+    for (i = 1; i < DTX_HIST_SIZE; i++)
+    {
+        /* Compute the distance between the latest isf and the other isfs. */
+        ptr = sub(ptr, 1);
+        if (ptr < 0)
+        {
+            ptr = DTX_HIST_SIZE_MIN_ONE;
+        }
+        L_tmp = 0;
+        for (j = 0; j < M; j++)
+        {
+            tmp = sub(isf_old_tx[st->hist_ptr * M + j], isf_old_tx[ptr * M + j]);
+            L_tmp = L_mac(L_tmp, tmp, tmp);
+        }
+        st->D[i - 1] = L_tmp;
 
-		/* Update also the column sums. */
-		st->sumD[0] = L_add(st->sumD[0], st->D[i - 1]);
-		st->sumD[i] = L_add(st->sumD[i], st->D[i - 1]);
-	}
+        /* Update also the column sums. */
+        st->sumD[0] = L_add(st->sumD[0], st->D[i - 1]);
+        st->sumD[i] = L_add(st->sumD[i], st->D[i - 1]);
+    }
 
-	/* Find the minimum and maximum distances */
-	summax = st->sumD[0];
-	summin = st->sumD[0];
-	indices[0] = 0;
-	indices[2] = 0;
-	for (i = 1; i < DTX_HIST_SIZE; i++)
-	{
-		if (L_sub(st->sumD[i], summax) > 0)
-		{
-			indices[0] = i;
-			summax = st->sumD[i];
-		}
-		if (L_sub(st->sumD[i], summin) < 0)
-		{
-			indices[2] = i;
-			summin = st->sumD[i];
-		}
-	}
+    /* Find the minimum and maximum distances */
+    summax = st->sumD[0];
+    summin = st->sumD[0];
+    indices[0] = 0;
+    indices[2] = 0;
+    for (i = 1; i < DTX_HIST_SIZE; i++)
+    {
+        if (L_sub(st->sumD[i], summax) > 0)
+        {
+            indices[0] = i;
+            summax = st->sumD[i];
+        }
+        if (L_sub(st->sumD[i], summin) < 0)
+        {
+            indices[2] = i;
+            summin = st->sumD[i];
+        }
+    }
 
-	/* Find the second largest distance */
-	summax2nd = -2147483647L;
-	indices[1] = -1;
-	for (i = 0; i < DTX_HIST_SIZE; i++)
-	{
-		if ((L_sub(st->sumD[i], summax2nd) > 0) && (sub(i, indices[0]) != 0))
-		{
-			indices[1] = i;
-			summax2nd = st->sumD[i];
-		}
-	}
+    /* Find the second largest distance */
+    summax2nd = -2147483647L;
+    indices[1] = -1;
+    for (i = 0; i < DTX_HIST_SIZE; i++)
+    {
+        if ((L_sub(st->sumD[i], summax2nd) > 0) && (sub(i, indices[0]) != 0))
+        {
+            indices[1] = i;
+            summax2nd = st->sumD[i];
+        }
+    }
 
-	for (i = 0; i < 3; i++)
-	{
-		indices[i] = sub(st->hist_ptr, indices[i]);
-		if (indices[i] < 0)
-		{
-			indices[i] = add(indices[i], DTX_HIST_SIZE);
-		}
-	}
+    for (i = 0; i < 3; i++)
+    {
+        indices[i] = sub(st->hist_ptr, indices[i]);
+        if (indices[i] < 0)
+        {
+            indices[i] = add(indices[i], DTX_HIST_SIZE);
+        }
+    }
 
-	/* If maximum distance/MED_THRESH is smaller than minimum distance */
-	/* then the median ISF vector replacement is not performed         */
-	tmp = norm_l(summax);
-	summax = (summax << tmp);
-	summin = (summin << tmp);
-	L_tmp = L_mult(voround(summax), INV_MED_THRESH);
-	if(L_tmp <= summin)
-	{
-		indices[0] = -1;
-	}
-	/* If second largest distance/MED_THRESH is smaller than     */
-	/* minimum distance then the median ISF vector replacement is    */
-	/* not performed                                                 */
-	summax2nd = L_shl(summax2nd, tmp);
-	L_tmp = L_mult(voround(summax2nd), INV_MED_THRESH);
-	if(L_tmp <= summin)
-	{
-		indices[1] = -1;
-	}
-	return;
+    /* If maximum distance/MED_THRESH is smaller than minimum distance */
+    /* then the median ISF vector replacement is not performed         */
+    tmp = norm_l(summax);
+    summax = (summax << tmp);
+    summin = (summin << tmp);
+    L_tmp = L_mult(voround(summax), INV_MED_THRESH);
+    if(L_tmp <= summin)
+    {
+        indices[0] = -1;
+    }
+    /* If second largest distance/MED_THRESH is smaller than     */
+    /* minimum distance then the median ISF vector replacement is    */
+    /* not performed                                                 */
+    summax2nd = L_shl(summax2nd, tmp);
+    L_tmp = L_mult(voround(summax2nd), INV_MED_THRESH);
+    if(L_tmp <= summin)
+    {
+        indices[1] = -1;
+    }
+    return;
 }
 
 static Word16 dithering_control(
-		dtx_encState * st
-		)
+        dtx_encState * st
+        )
 {
-	Word16 tmp, mean, CN_dith, gain_diff;
-	Word32 i, ISF_diff;
+    Word16 tmp, mean, CN_dith, gain_diff;
+    Word32 i, ISF_diff;
 
-	/* determine how stationary the spectrum of background noise is */
-	ISF_diff = 0;
-	for (i = 0; i < 8; i++)
-	{
-		ISF_diff = L_add(ISF_diff, st->sumD[i]);
-	}
-	if ((ISF_diff >> 26) > 0)
-	{
-		CN_dith = 1;
-	} else
-	{
-		CN_dith = 0;
-	}
+    /* determine how stationary the spectrum of background noise is */
+    ISF_diff = 0;
+    for (i = 0; i < 8; i++)
+    {
+        ISF_diff = L_add(ISF_diff, st->sumD[i]);
+    }
+    if ((ISF_diff >> 26) > 0)
+    {
+        CN_dith = 1;
+    } else
+    {
+        CN_dith = 0;
+    }
 
-	/* determine how stationary the energy of background noise is */
-	mean = 0;
-	for (i = 0; i < DTX_HIST_SIZE; i++)
-	{
-		mean = add(mean, st->log_en_hist[i]);
-	}
-	mean = (mean >> 3);
-	gain_diff = 0;
-	for (i = 0; i < DTX_HIST_SIZE; i++)
-	{
-		tmp = abs_s(sub(st->log_en_hist[i], mean));
-		gain_diff = add(gain_diff, tmp);
-	}
-	if (gain_diff > GAIN_THR)
-	{
-		CN_dith = 1;
-	}
-	return CN_dith;
+    /* determine how stationary the energy of background noise is */
+    mean = 0;
+    for (i = 0; i < DTX_HIST_SIZE; i++)
+    {
+        mean = add(mean, st->log_en_hist[i]);
+    }
+    mean = (mean >> 3);
+    gain_diff = 0;
+    for (i = 0; i < DTX_HIST_SIZE; i++)
+    {
+        tmp = abs_s(sub(st->log_en_hist[i], mean));
+        gain_diff = add(gain_diff, tmp);
+    }
+    if (gain_diff > GAIN_THR)
+    {
+        CN_dith = 1;
+    }
+    return CN_dith;
 }
diff --git a/media/libstagefright/codecs/amrwbenc/src/g_pitch.c b/media/libstagefright/codecs/amrwbenc/src/g_pitch.c
index d681f2e..98ee87e 100644
--- a/media/libstagefright/codecs/amrwbenc/src/g_pitch.c
+++ b/media/libstagefright/codecs/amrwbenc/src/g_pitch.c
@@ -17,9 +17,9 @@
 /***********************************************************************
 *      File: g_pitch.c                                                 *
 *                                                                      *
-*	   Description:Compute the gain of pitch. Result in Q12        *
-*	               if(gain < 0) gain = 0                           *
-*				   if(gain > 1.2) gain = 1.2           *
+*      Description:Compute the gain of pitch. Result in Q12        *
+*                  if(gain < 0) gain = 0                           *
+*                  if(gain > 1.2) gain = 1.2           *
 ************************************************************************/
 
 #include "typedef.h"
@@ -27,52 +27,52 @@
 #include "math_op.h"
 
 Word16 G_pitch(                            /* (o) Q14 : Gain of pitch lag saturated to 1.2   */
-		Word16 xn[],                          /* (i)     : Pitch target.                        */
-		Word16 y1[],                          /* (i)     : filtered adaptive codebook.          */
-		Word16 g_coeff[],                     /* : Correlations need for gain quantization.     */
-		Word16 L_subfr                        /* : Length of subframe.                          */
-	      )
+        Word16 xn[],                          /* (i)     : Pitch target.                        */
+        Word16 y1[],                          /* (i)     : filtered adaptive codebook.          */
+        Word16 g_coeff[],                     /* : Correlations need for gain quantization.     */
+        Word16 L_subfr                        /* : Length of subframe.                          */
+          )
 {
-	Word32 i;
-	Word16 xy, yy, exp_xy, exp_yy, gain;
-	/* Compute scalar product <y1[],y1[]> */
+    Word32 i;
+    Word16 xy, yy, exp_xy, exp_yy, gain;
+    /* Compute scalar product <y1[],y1[]> */
 #ifdef ASM_OPT                  /* asm optimization branch */
-	/* Compute scalar product <xn[],y1[]> */
-	xy = extract_h(Dot_product12_asm(xn, y1, L_subfr, &exp_xy));
-	yy = extract_h(Dot_product12_asm(y1, y1, L_subfr, &exp_yy));
+    /* Compute scalar product <xn[],y1[]> */
+    xy = extract_h(Dot_product12_asm(xn, y1, L_subfr, &exp_xy));
+    yy = extract_h(Dot_product12_asm(y1, y1, L_subfr, &exp_yy));
 
 #else
-	/* Compute scalar product <xn[],y1[]> */
-	xy = extract_h(Dot_product12(xn, y1, L_subfr, &exp_xy));
-	yy = extract_h(Dot_product12(y1, y1, L_subfr, &exp_yy));
+    /* Compute scalar product <xn[],y1[]> */
+    xy = extract_h(Dot_product12(xn, y1, L_subfr, &exp_xy));
+    yy = extract_h(Dot_product12(y1, y1, L_subfr, &exp_yy));
 
 #endif
 
-	g_coeff[0] = yy;
-	g_coeff[1] = exp_yy;
-	g_coeff[2] = xy;
-	g_coeff[3] = exp_xy;
+    g_coeff[0] = yy;
+    g_coeff[1] = exp_yy;
+    g_coeff[2] = xy;
+    g_coeff[3] = exp_xy;
 
-	/* If (xy < 0) gain = 0 */
-	if (xy < 0)
-		return ((Word16) 0);
+    /* If (xy < 0) gain = 0 */
+    if (xy < 0)
+        return ((Word16) 0);
 
-	/* compute gain = xy/yy */
+    /* compute gain = xy/yy */
 
-	xy >>= 1;                       /* Be sure xy < yy */
-	gain = div_s(xy, yy);
+    xy >>= 1;                       /* Be sure xy < yy */
+    gain = div_s(xy, yy);
 
-	i = exp_xy;
-	i -= exp_yy;
+    i = exp_xy;
+    i -= exp_yy;
 
-	gain = shl(gain, i);
+    gain = shl(gain, i);
 
-	/* if (gain > 1.2) gain = 1.2  in Q14 */
-	if(gain > 19661)
-	{
-		gain = 19661;
-	}
-	return (gain);
+    /* if (gain > 1.2) gain = 1.2  in Q14 */
+    if(gain > 19661)
+    {
+        gain = 19661;
+    }
+    return (gain);
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/gpclip.c b/media/libstagefright/codecs/amrwbenc/src/gpclip.c
index 800b3f9..4ce3daa 100644
--- a/media/libstagefright/codecs/amrwbenc/src/gpclip.c
+++ b/media/libstagefright/codecs/amrwbenc/src/gpclip.c
@@ -35,75 +35,75 @@
 
 
 void Init_gp_clip(
-		Word16 mem[]                          /* (o) : memory of gain of pitch clipping algorithm */
-		)
+        Word16 mem[]                          /* (o) : memory of gain of pitch clipping algorithm */
+        )
 {
-	mem[0] = DIST_ISF_MAX;
-	mem[1] = GAIN_PIT_MIN;
+    mem[0] = DIST_ISF_MAX;
+    mem[1] = GAIN_PIT_MIN;
 }
 
 
 Word16 Gp_clip(
-		Word16 mem[]                          /* (i/o) : memory of gain of pitch clipping algorithm */
-	      )
+        Word16 mem[]                          /* (i/o) : memory of gain of pitch clipping algorithm */
+          )
 {
-	Word16 clip = 0;
-	if ((mem[0] < DIST_ISF_THRES) && (mem[1] > GAIN_PIT_THRES))
-		clip = 1;
+    Word16 clip = 0;
+    if ((mem[0] < DIST_ISF_THRES) && (mem[1] > GAIN_PIT_THRES))
+        clip = 1;
 
-	return (clip);
+    return (clip);
 }
 
 
 void Gp_clip_test_isf(
-		Word16 isf[],                         /* (i)   : isf values (in frequency domain)           */
-		Word16 mem[]                          /* (i/o) : memory of gain of pitch clipping algorithm */
-		)
+        Word16 isf[],                         /* (i)   : isf values (in frequency domain)           */
+        Word16 mem[]                          /* (i/o) : memory of gain of pitch clipping algorithm */
+        )
 {
-	Word16 dist, dist_min;
-	Word32 i;
+    Word16 dist, dist_min;
+    Word32 i;
 
-	dist_min = vo_sub(isf[1], isf[0]);
+    dist_min = vo_sub(isf[1], isf[0]);
 
-	for (i = 2; i < M - 1; i++)
-	{
-		dist = vo_sub(isf[i], isf[i - 1]);
-		if(dist < dist_min)
-		{
-			dist_min = dist;
-		}
-	}
+    for (i = 2; i < M - 1; i++)
+    {
+        dist = vo_sub(isf[i], isf[i - 1]);
+        if(dist < dist_min)
+        {
+            dist_min = dist;
+        }
+    }
 
-	dist = extract_h(L_mac(vo_L_mult(26214, mem[0]), 6554, dist_min));
+    dist = extract_h(L_mac(vo_L_mult(26214, mem[0]), 6554, dist_min));
 
-	if (dist > DIST_ISF_MAX)
-	{
-		dist = DIST_ISF_MAX;
-	}
-	mem[0] = dist;
+    if (dist > DIST_ISF_MAX)
+    {
+        dist = DIST_ISF_MAX;
+    }
+    mem[0] = dist;
 
-	return;
+    return;
 }
 
 
 void Gp_clip_test_gain_pit(
-		Word16 gain_pit,                      /* (i) Q14 : gain of quantized pitch                    */
-		Word16 mem[]                          /* (i/o)   : memory of gain of pitch clipping algorithm */
-		)
+        Word16 gain_pit,                      /* (i) Q14 : gain of quantized pitch                    */
+        Word16 mem[]                          /* (i/o)   : memory of gain of pitch clipping algorithm */
+        )
 {
-	Word16 gain;
-	Word32 L_tmp;
-	L_tmp = (29491 * mem[1])<<1;
-	L_tmp += (3277 * gain_pit)<<1;
+    Word16 gain;
+    Word32 L_tmp;
+    L_tmp = (29491 * mem[1])<<1;
+    L_tmp += (3277 * gain_pit)<<1;
 
-	gain = extract_h(L_tmp);
+    gain = extract_h(L_tmp);
 
-	if(gain < GAIN_PIT_MIN)
-	{
-		gain = GAIN_PIT_MIN;
-	}
-	mem[1] = gain;
-	return;
+    if(gain < GAIN_PIT_MIN)
+    {
+        gain = GAIN_PIT_MIN;
+    }
+    mem[1] = gain;
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/homing.c b/media/libstagefright/codecs/amrwbenc/src/homing.c
index 565040f..a96e7db 100644
--- a/media/libstagefright/codecs/amrwbenc/src/homing.c
+++ b/media/libstagefright/codecs/amrwbenc/src/homing.c
@@ -29,18 +29,18 @@
 
 Word16 encoder_homing_frame_test(Word16 input_frame[])
 {
-	Word32 i;
-	Word16 j = 0;
+    Word32 i;
+    Word16 j = 0;
 
-	/* check 320 input samples for matching EHF_MASK: defined in e_homing.h */
-	for (i = 0; i < L_FRAME16k; i++)
-	{
-		j = (Word16) (input_frame[i] ^ EHF_MASK);
+    /* check 320 input samples for matching EHF_MASK: defined in e_homing.h */
+    for (i = 0; i < L_FRAME16k; i++)
+    {
+        j = (Word16) (input_frame[i] ^ EHF_MASK);
 
-		if (j)
-			break;
-	}
+        if (j)
+            break;
+    }
 
-	return (Word16) (!j);
+    return (Word16) (!j);
 }
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/hp400.c b/media/libstagefright/codecs/amrwbenc/src/hp400.c
index a6f9701..c658a92 100644
--- a/media/libstagefright/codecs/amrwbenc/src/hp400.c
+++ b/media/libstagefright/codecs/amrwbenc/src/hp400.c
@@ -50,56 +50,56 @@
 
 void Init_HP400_12k8(Word16 mem[])
 {
-	Set_zero(mem, 6);
+    Set_zero(mem, 6);
 }
 
 
 void HP400_12k8(
-		Word16 signal[],                      /* input signal / output is divided by 16 */
-		Word16 lg,                            /* lenght of signal    */
-		Word16 mem[]                          /* filter memory [6]   */
-	       )
+        Word16 signal[],                      /* input signal / output is divided by 16 */
+        Word16 lg,                            /* lenght of signal    */
+        Word16 mem[]                          /* filter memory [6]   */
+           )
 {
-	Word16  x2;
-	Word16 y2_hi, y2_lo, y1_hi, y1_lo, x0, x1;
-	Word32 L_tmp;
-	Word32 num;
-	y2_hi = *mem++;
-	y2_lo = *mem++;
-	y1_hi = *mem++;
-	y1_lo = *mem++;
-	x0 = *mem++;
-	x1 = *mem;
-	num = (Word32)lg;
-	do
-	{
-		x2 = x1;
-		x1 = x0;
-		x0 = *signal;
-		/* y[i] = b[0]*x[i] + b[1]*x[i-1] + b140[2]*x[i-2]  */
-		/* + a[1]*y[i-1] + a[2] * y[i-2];  */
-		L_tmp = 8192L;                    /* rounding to maximise precision */
-		L_tmp += y1_lo * a[1];
-		L_tmp += y2_lo * a[2];
-		L_tmp = L_tmp >> 14;
-		L_tmp += (y1_hi * a[1] + y2_hi * a[2] + (x0 + x2)* b[0] + x1 * b[1]) << 1;
-		L_tmp <<= 1;           /* coeff Q12 --> Q13 */
-		y2_hi = y1_hi;
-		y2_lo = y1_lo;
-		y1_hi = (Word16)(L_tmp>>16);
-		y1_lo = (Word16)((L_tmp & 0xffff)>>1);
+    Word16  x2;
+    Word16 y2_hi, y2_lo, y1_hi, y1_lo, x0, x1;
+    Word32 L_tmp;
+    Word32 num;
+    y2_hi = *mem++;
+    y2_lo = *mem++;
+    y1_hi = *mem++;
+    y1_lo = *mem++;
+    x0 = *mem++;
+    x1 = *mem;
+    num = (Word32)lg;
+    do
+    {
+        x2 = x1;
+        x1 = x0;
+        x0 = *signal;
+        /* y[i] = b[0]*x[i] + b[1]*x[i-1] + b140[2]*x[i-2]  */
+        /* + a[1]*y[i-1] + a[2] * y[i-2];  */
+        L_tmp = 8192L;                    /* rounding to maximise precision */
+        L_tmp += y1_lo * a[1];
+        L_tmp += y2_lo * a[2];
+        L_tmp = L_tmp >> 14;
+        L_tmp += (y1_hi * a[1] + y2_hi * a[2] + (x0 + x2)* b[0] + x1 * b[1]) << 1;
+        L_tmp <<= 1;           /* coeff Q12 --> Q13 */
+        y2_hi = y1_hi;
+        y2_lo = y1_lo;
+        y1_hi = (Word16)(L_tmp>>16);
+        y1_lo = (Word16)((L_tmp & 0xffff)>>1);
 
-		/* signal is divided by 16 to avoid overflow in energy computation */
-		*signal++ = (L_tmp + 0x8000) >> 16;
-	}while(--num !=0);
+        /* signal is divided by 16 to avoid overflow in energy computation */
+        *signal++ = (L_tmp + 0x8000) >> 16;
+    }while(--num !=0);
 
-	*mem-- = x1;
-	*mem-- = x0;
-	*mem-- = y1_lo;
-	*mem-- = y1_hi;
-	*mem-- = y2_lo;
-	*mem   = y2_hi;
-	return;
+    *mem-- = x1;
+    *mem-- = x0;
+    *mem-- = y1_lo;
+    *mem-- = y1_hi;
+    *mem-- = y2_lo;
+    *mem   = y2_hi;
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/hp50.c b/media/libstagefright/codecs/amrwbenc/src/hp50.c
index c1c7b83..807d672 100644
--- a/media/libstagefright/codecs/amrwbenc/src/hp50.c
+++ b/media/libstagefright/codecs/amrwbenc/src/hp50.c
@@ -17,7 +17,7 @@
 /***********************************************************************
 *      File: hp50.c                                                     *
 *                                                                       *
-*	   Description:                                                 *
+*      Description:                                                 *
 * 2nd order high pass filter with cut off frequency at 31 Hz.           *
 * Designed with cheby2 function in MATLAB.                              *
 * Optimized for fixed-point to get the following frequency response:    *
@@ -51,56 +51,56 @@
 
 void Init_HP50_12k8(Word16 mem[])
 {
-	Set_zero(mem, 6);
+    Set_zero(mem, 6);
 }
 
 
 void HP50_12k8(
-		Word16 signal[],                      /* input/output signal */
-		Word16 lg,                            /* lenght of signal    */
-		Word16 mem[]                          /* filter memory [6]   */
-	      )
+        Word16 signal[],                      /* input/output signal */
+        Word16 lg,                            /* lenght of signal    */
+        Word16 mem[]                          /* filter memory [6]   */
+          )
 {
-	Word16 x2;
-	Word16 y2_hi, y2_lo, y1_hi, y1_lo, x0, x1;
-	Word32 L_tmp;
-	Word32 num;
+    Word16 x2;
+    Word16 y2_hi, y2_lo, y1_hi, y1_lo, x0, x1;
+    Word32 L_tmp;
+    Word32 num;
 
-	y2_hi = *mem++;
-	y2_lo = *mem++;
-	y1_hi = *mem++;
-	y1_lo = *mem++;
-	x0 = *mem++;
-	x1 = *mem;
-	num = (Word32)lg;
-	do
-	{
-		x2 = x1;
-		x1 = x0;
-		x0 = *signal;
-		/* y[i] = b[0]*x[i] + b[1]*x[i-1] + b140[2]*x[i-2]  */
-		/* + a[1]*y[i-1] + a[2] * y[i-2];  */
-		L_tmp = 8192 ;                    /* rounding to maximise precision */
-		L_tmp += y1_lo * a[1];
-		L_tmp += y2_lo * a[2];
-		L_tmp = L_tmp >> 14;
-		L_tmp += (y1_hi * a[1] + y2_hi * a[2] + (x0 + x2) * b[0] + x1 * b[1]) << 1;
-		L_tmp <<= 2;           /* coeff Q12 --> Q13 */
-		y2_hi = y1_hi;
-		y2_lo = y1_lo;
-		y1_hi = (Word16)(L_tmp>>16);
-		y1_lo = (Word16)((L_tmp & 0xffff)>>1);
-		*signal++ = extract_h((L_add((L_tmp<<1), 0x8000)));
-	}while(--num !=0);
+    y2_hi = *mem++;
+    y2_lo = *mem++;
+    y1_hi = *mem++;
+    y1_lo = *mem++;
+    x0 = *mem++;
+    x1 = *mem;
+    num = (Word32)lg;
+    do
+    {
+        x2 = x1;
+        x1 = x0;
+        x0 = *signal;
+        /* y[i] = b[0]*x[i] + b[1]*x[i-1] + b140[2]*x[i-2]  */
+        /* + a[1]*y[i-1] + a[2] * y[i-2];  */
+        L_tmp = 8192 ;                    /* rounding to maximise precision */
+        L_tmp += y1_lo * a[1];
+        L_tmp += y2_lo * a[2];
+        L_tmp = L_tmp >> 14;
+        L_tmp += (y1_hi * a[1] + y2_hi * a[2] + (x0 + x2) * b[0] + x1 * b[1]) << 1;
+        L_tmp <<= 2;           /* coeff Q12 --> Q13 */
+        y2_hi = y1_hi;
+        y2_lo = y1_lo;
+        y1_hi = (Word16)(L_tmp>>16);
+        y1_lo = (Word16)((L_tmp & 0xffff)>>1);
+        *signal++ = extract_h((L_add((L_tmp<<1), 0x8000)));
+    }while(--num !=0);
 
-	*mem-- = x1;
-	*mem-- = x0;
-	*mem-- = y1_lo;
-	*mem-- = y1_hi;
-	*mem-- = y2_lo;
-	*mem-- = y2_hi;
+    *mem-- = x1;
+    *mem-- = x0;
+    *mem-- = y1_lo;
+    *mem-- = y1_hi;
+    *mem-- = y2_lo;
+    *mem-- = y2_hi;
 
-	return;
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/hp6k.c b/media/libstagefright/codecs/amrwbenc/src/hp6k.c
index 8e66eb0..0baf612 100644
--- a/media/libstagefright/codecs/amrwbenc/src/hp6k.c
+++ b/media/libstagefright/codecs/amrwbenc/src/hp6k.c
@@ -17,10 +17,10 @@
 /***********************************************************************
 *       File: hp6k.c                                                    *
 *                                                                       *
-*	Description:15th order band pass 6kHz to 7kHz FIR filter        *
+*   Description:15th order band pass 6kHz to 7kHz FIR filter        *
 *       frequency: 4kHz   5kHz  5.5kHz  6kHz  6.5kHz  7kHz 7.5kHz 8kHz  *
-*	dB loss:  -60dB  -45dB  -13dB   -3dB   0dB    -3dB -13dB  -45dB *
-*	                                                                *
+*   dB loss:  -60dB  -45dB  -13dB   -3dB   0dB    -3dB -13dB  -45dB *
+*                                                                   *
 ************************************************************************/
 
 #include "typedef.h"
@@ -34,58 +34,58 @@
 
 Word16 fir_6k_7k[L_FIR] =
 {
-	-32, 47, 32, -27, -369,
-	1122, -1421, 0, 3798, -8880,
-	12349, -10984, 3548, 7766, -18001,
-	22118, -18001, 7766, 3548, -10984,
-	12349, -8880, 3798, 0, -1421,
-	1122, -369, -27, 32, 47,
-	-32
+    -32, 47, 32, -27, -369,
+    1122, -1421, 0, 3798, -8880,
+    12349, -10984, 3548, 7766, -18001,
+    22118, -18001, 7766, 3548, -10984,
+    12349, -8880, 3798, 0, -1421,
+    1122, -369, -27, 32, 47,
+    -32
 };
 
 
 void Init_Filt_6k_7k(Word16 mem[])         /* mem[30] */
 {
-	Set_zero(mem, L_FIR - 1);
-	return;
+    Set_zero(mem, L_FIR - 1);
+    return;
 }
 
 void Filt_6k_7k(
-		Word16 signal[],                      /* input:  signal                  */
-		Word16 lg,                            /* input:  length of input         */
-		Word16 mem[]                          /* in/out: memory (size=30)        */
-	       )
+        Word16 signal[],                      /* input:  signal                  */
+        Word16 lg,                            /* input:  length of input         */
+        Word16 mem[]                          /* in/out: memory (size=30)        */
+           )
 {
-	Word16 x[L_SUBFR16k + (L_FIR - 1)];
-	Word32 i, L_tmp;
+    Word16 x[L_SUBFR16k + (L_FIR - 1)];
+    Word32 i, L_tmp;
 
-	Copy(mem, x, L_FIR - 1);
-	for (i = lg - 1; i >= 0; i--)
-	{
-		x[i + L_FIR - 1] = signal[i] >> 2;                         /* gain of filter = 4 */
-	}
-	for (i = 0; i < lg; i++)
-	{
-		L_tmp =  (x[i] + x[i+ 30]) * fir_6k_7k[0];
-		L_tmp += (x[i+1] + x[i + 29]) * fir_6k_7k[1];
-		L_tmp += (x[i+2] + x[i + 28]) * fir_6k_7k[2];
-		L_tmp += (x[i+3] + x[i + 27]) * fir_6k_7k[3];
-		L_tmp += (x[i+4] + x[i + 26]) * fir_6k_7k[4];
-		L_tmp += (x[i+5] + x[i + 25]) * fir_6k_7k[5];
-		L_tmp += (x[i+6] + x[i + 24]) * fir_6k_7k[6];
-		L_tmp += (x[i+7] + x[i + 23]) * fir_6k_7k[7];
-		L_tmp += (x[i+8] + x[i + 22]) * fir_6k_7k[8];
-		L_tmp += (x[i+9] + x[i + 21]) * fir_6k_7k[9];
-		L_tmp += (x[i+10] + x[i + 20]) * fir_6k_7k[10];
-		L_tmp += (x[i+11] + x[i + 19]) * fir_6k_7k[11];
-		L_tmp += (x[i+12] + x[i + 18]) * fir_6k_7k[12];
-		L_tmp += (x[i+13] + x[i + 17]) * fir_6k_7k[13];
-		L_tmp += (x[i+14] + x[i + 16]) * fir_6k_7k[14];
-		L_tmp += (x[i+15]) * fir_6k_7k[15];
-		signal[i] = (L_tmp + 0x4000) >> 15;
-	}
+    Copy(mem, x, L_FIR - 1);
+    for (i = lg - 1; i >= 0; i--)
+    {
+        x[i + L_FIR - 1] = signal[i] >> 2;                         /* gain of filter = 4 */
+    }
+    for (i = 0; i < lg; i++)
+    {
+        L_tmp =  (x[i] + x[i+ 30]) * fir_6k_7k[0];
+        L_tmp += (x[i+1] + x[i + 29]) * fir_6k_7k[1];
+        L_tmp += (x[i+2] + x[i + 28]) * fir_6k_7k[2];
+        L_tmp += (x[i+3] + x[i + 27]) * fir_6k_7k[3];
+        L_tmp += (x[i+4] + x[i + 26]) * fir_6k_7k[4];
+        L_tmp += (x[i+5] + x[i + 25]) * fir_6k_7k[5];
+        L_tmp += (x[i+6] + x[i + 24]) * fir_6k_7k[6];
+        L_tmp += (x[i+7] + x[i + 23]) * fir_6k_7k[7];
+        L_tmp += (x[i+8] + x[i + 22]) * fir_6k_7k[8];
+        L_tmp += (x[i+9] + x[i + 21]) * fir_6k_7k[9];
+        L_tmp += (x[i+10] + x[i + 20]) * fir_6k_7k[10];
+        L_tmp += (x[i+11] + x[i + 19]) * fir_6k_7k[11];
+        L_tmp += (x[i+12] + x[i + 18]) * fir_6k_7k[12];
+        L_tmp += (x[i+13] + x[i + 17]) * fir_6k_7k[13];
+        L_tmp += (x[i+14] + x[i + 16]) * fir_6k_7k[14];
+        L_tmp += (x[i+15]) * fir_6k_7k[15];
+        signal[i] = (L_tmp + 0x4000) >> 15;
+    }
 
-	Copy(x + lg, mem, L_FIR - 1);
+    Copy(x + lg, mem, L_FIR - 1);
 
 }
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/hp_wsp.c b/media/libstagefright/codecs/amrwbenc/src/hp_wsp.c
index bc1ec49..f0347cb 100644
--- a/media/libstagefright/codecs/amrwbenc/src/hp_wsp.c
+++ b/media/libstagefright/codecs/amrwbenc/src/hp_wsp.c
@@ -48,101 +48,101 @@
 /* Initialization of static values */
 void Init_Hp_wsp(Word16 mem[])
 {
-	Set_zero(mem, 9);
+    Set_zero(mem, 9);
 
-	return;
+    return;
 }
 
 void scale_mem_Hp_wsp(Word16 mem[], Word16 exp)
 {
-	Word32 i;
-	Word32 L_tmp;
+    Word32 i;
+    Word32 L_tmp;
 
-	for (i = 0; i < 6; i += 2)
-	{
-		L_tmp = ((mem[i] << 16) + (mem[i + 1]<<1));
-		L_tmp = L_shl(L_tmp, exp);
-		mem[i] = L_tmp >> 16;
-		mem[i + 1] = (L_tmp & 0xffff)>>1;
-	}
+    for (i = 0; i < 6; i += 2)
+    {
+        L_tmp = ((mem[i] << 16) + (mem[i + 1]<<1));
+        L_tmp = L_shl(L_tmp, exp);
+        mem[i] = L_tmp >> 16;
+        mem[i + 1] = (L_tmp & 0xffff)>>1;
+    }
 
-	for (i = 6; i < 9; i++)
-	{
-		L_tmp = L_deposit_h(mem[i]);       /* x[i] */
-		L_tmp = L_shl(L_tmp, exp);
-		mem[i] = vo_round(L_tmp);
-	}
+    for (i = 6; i < 9; i++)
+    {
+        L_tmp = L_deposit_h(mem[i]);       /* x[i] */
+        L_tmp = L_shl(L_tmp, exp);
+        mem[i] = vo_round(L_tmp);
+    }
 
-	return;
+    return;
 }
 
 
 void Hp_wsp(
-		Word16 wsp[],                         /* i   : wsp[]  signal       */
-		Word16 hp_wsp[],                      /* o   : hypass wsp[]        */
-		Word16 lg,                            /* i   : lenght of signal    */
-		Word16 mem[]                          /* i/o : filter memory [9]   */
-	   )
+        Word16 wsp[],                         /* i   : wsp[]  signal       */
+        Word16 hp_wsp[],                      /* o   : hypass wsp[]        */
+        Word16 lg,                            /* i   : lenght of signal    */
+        Word16 mem[]                          /* i/o : filter memory [9]   */
+       )
 {
-	Word16 x0, x1, x2, x3;
-	Word16 y3_hi, y3_lo, y2_hi, y2_lo, y1_hi, y1_lo;
-	Word32 i, L_tmp;
+    Word16 x0, x1, x2, x3;
+    Word16 y3_hi, y3_lo, y2_hi, y2_lo, y1_hi, y1_lo;
+    Word32 i, L_tmp;
 
-	y3_hi = mem[0];
-	y3_lo = mem[1];
-	y2_hi = mem[2];
-	y2_lo = mem[3];
-	y1_hi = mem[4];
-	y1_lo = mem[5];
-	x0 = mem[6];
-	x1 = mem[7];
-	x2 = mem[8];
+    y3_hi = mem[0];
+    y3_lo = mem[1];
+    y2_hi = mem[2];
+    y2_lo = mem[3];
+    y1_hi = mem[4];
+    y1_lo = mem[5];
+    x0 = mem[6];
+    x1 = mem[7];
+    x2 = mem[8];
 
-	for (i = 0; i < lg; i++)
-	{
-		x3 = x2;
-		x2 = x1;
-		x1 = x0;
-		x0 = wsp[i];
-		/* y[i] = b[0]*x[i] + b[1]*x[i-1] + b140[2]*x[i-2] + b[3]*x[i-3]  */
-		/* + a[1]*y[i-1] + a[2] * y[i-2]  + a[3]*y[i-3]  */
+    for (i = 0; i < lg; i++)
+    {
+        x3 = x2;
+        x2 = x1;
+        x1 = x0;
+        x0 = wsp[i];
+        /* y[i] = b[0]*x[i] + b[1]*x[i-1] + b140[2]*x[i-2] + b[3]*x[i-3]  */
+        /* + a[1]*y[i-1] + a[2] * y[i-2]  + a[3]*y[i-3]  */
 
-		L_tmp = 16384L;                    /* rounding to maximise precision */
-		L_tmp += (y1_lo * a[1])<<1;
-		L_tmp += (y2_lo * a[2])<<1;
-		L_tmp += (y3_lo * a[3])<<1;
-		L_tmp = L_tmp >> 15;
-		L_tmp += (y1_hi * a[1])<<1;
-		L_tmp += (y2_hi * a[2])<<1;
-		L_tmp += (y3_hi * a[3])<<1;
-		L_tmp += (x0 * b[0])<<1;
-		L_tmp += (x1 * b[1])<<1;
-		L_tmp += (x2 * b[2])<<1;
-		L_tmp += (x3 * b[3])<<1;
+        L_tmp = 16384L;                    /* rounding to maximise precision */
+        L_tmp += (y1_lo * a[1])<<1;
+        L_tmp += (y2_lo * a[2])<<1;
+        L_tmp += (y3_lo * a[3])<<1;
+        L_tmp = L_tmp >> 15;
+        L_tmp += (y1_hi * a[1])<<1;
+        L_tmp += (y2_hi * a[2])<<1;
+        L_tmp += (y3_hi * a[3])<<1;
+        L_tmp += (x0 * b[0])<<1;
+        L_tmp += (x1 * b[1])<<1;
+        L_tmp += (x2 * b[2])<<1;
+        L_tmp += (x3 * b[3])<<1;
 
-		L_tmp = L_tmp << 2;
+        L_tmp = L_tmp << 2;
 
-		y3_hi = y2_hi;
-		y3_lo = y2_lo;
-		y2_hi = y1_hi;
-		y2_lo = y1_lo;
-		y1_hi = L_tmp >> 16;
-		y1_lo = (L_tmp & 0xffff) >>1;
+        y3_hi = y2_hi;
+        y3_lo = y2_lo;
+        y2_hi = y1_hi;
+        y2_lo = y1_lo;
+        y1_hi = L_tmp >> 16;
+        y1_lo = (L_tmp & 0xffff) >>1;
 
-		hp_wsp[i] = (L_tmp + 0x4000)>>15;
-	}
+        hp_wsp[i] = (L_tmp + 0x4000)>>15;
+    }
 
-	mem[0] = y3_hi;
-	mem[1] = y3_lo;
-	mem[2] = y2_hi;
-	mem[3] = y2_lo;
-	mem[4] = y1_hi;
-	mem[5] = y1_lo;
-	mem[6] = x0;
-	mem[7] = x1;
-	mem[8] = x2;
+    mem[0] = y3_hi;
+    mem[1] = y3_lo;
+    mem[2] = y2_hi;
+    mem[3] = y2_lo;
+    mem[4] = y1_hi;
+    mem[5] = y1_lo;
+    mem[6] = x0;
+    mem[7] = x1;
+    mem[8] = x2;
 
-	return;
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/int_lpc.c b/media/libstagefright/codecs/amrwbenc/src/int_lpc.c
index 1119bc7..3d8b8cb 100644
--- a/media/libstagefright/codecs/amrwbenc/src/int_lpc.c
+++ b/media/libstagefright/codecs/amrwbenc/src/int_lpc.c
@@ -30,36 +30,36 @@
 
 
 void Int_isp(
-		Word16 isp_old[],                     /* input : isps from past frame              */
-		Word16 isp_new[],                     /* input : isps from present frame           */
-		Word16 frac[],                        /* input : fraction for 3 first subfr (Q15)  */
-		Word16 Az[]                           /* output: LP coefficients in 4 subframes    */
-	    )
+        Word16 isp_old[],                     /* input : isps from past frame              */
+        Word16 isp_new[],                     /* input : isps from present frame           */
+        Word16 frac[],                        /* input : fraction for 3 first subfr (Q15)  */
+        Word16 Az[]                           /* output: LP coefficients in 4 subframes    */
+        )
 {
-	Word32 i, k;
-	Word16 fac_old, fac_new;
-	Word16 isp[M];
-	Word32 L_tmp;
+    Word32 i, k;
+    Word16 fac_old, fac_new;
+    Word16 isp[M];
+    Word32 L_tmp;
 
-	for (k = 0; k < 3; k++)
-	{
-		fac_new = frac[k];
-		fac_old = (32767 - fac_new) + 1;  /* 1.0 - fac_new */
+    for (k = 0; k < 3; k++)
+    {
+        fac_new = frac[k];
+        fac_old = (32767 - fac_new) + 1;  /* 1.0 - fac_new */
 
-		for (i = 0; i < M; i++)
-		{
-			L_tmp = (isp_old[i] * fac_old)<<1;
-			L_tmp += (isp_new[i] * fac_new)<<1;
-			isp[i] = (L_tmp + 0x8000)>>16;
-		}
-		Isp_Az(isp, Az, M, 0);
-		Az += MP1;
-	}
+        for (i = 0; i < M; i++)
+        {
+            L_tmp = (isp_old[i] * fac_old)<<1;
+            L_tmp += (isp_new[i] * fac_new)<<1;
+            isp[i] = (L_tmp + 0x8000)>>16;
+        }
+        Isp_Az(isp, Az, M, 0);
+        Az += MP1;
+    }
 
-	/* 4th subframe: isp_new (frac=1.0) */
-	Isp_Az(isp_new, Az, M, 0);
+    /* 4th subframe: isp_new (frac=1.0) */
+    Isp_Az(isp_new, Az, M, 0);
 
-	return;
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/isp_az.c b/media/libstagefright/codecs/amrwbenc/src/isp_az.c
index 30a8bbd..62e29e7 100644
--- a/media/libstagefright/codecs/amrwbenc/src/isp_az.c
+++ b/media/libstagefright/codecs/amrwbenc/src/isp_az.c
@@ -35,132 +35,132 @@
 static void Get_isp_pol_16kHz(Word16 * isp, Word32 * f, Word16 n);
 
 void Isp_Az(
-		Word16 isp[],                         /* (i) Q15 : Immittance spectral pairs            */
-		Word16 a[],                           /* (o) Q12 : predictor coefficients (order = M)   */
-		Word16 m,
-		Word16 adaptive_scaling               /* (i) 0   : adaptive scaling disabled */
-		                                      /*     1   : adaptive scaling enabled  */
-	   )
+        Word16 isp[],                         /* (i) Q15 : Immittance spectral pairs            */
+        Word16 a[],                           /* (o) Q12 : predictor coefficients (order = M)   */
+        Word16 m,
+        Word16 adaptive_scaling               /* (i) 0   : adaptive scaling disabled */
+                                              /*     1   : adaptive scaling enabled  */
+       )
 {
-	Word32 i, j;
-	Word16 hi, lo;
-	Word32 f1[NC16k + 1], f2[NC16k];
-	Word16 nc;
-	Word32 t0;
-	Word16 q, q_sug;
-	Word32 tmax;
+    Word32 i, j;
+    Word16 hi, lo;
+    Word32 f1[NC16k + 1], f2[NC16k];
+    Word16 nc;
+    Word32 t0;
+    Word16 q, q_sug;
+    Word32 tmax;
 
-	nc = (m >> 1);
-	if(nc > 8)
-	{
-		Get_isp_pol_16kHz(&isp[0], f1, nc);
-		for (i = 0; i <= nc; i++)
-		{
-			f1[i] = f1[i] << 2;
-		}
-	} else
-		Get_isp_pol(&isp[0], f1, nc);
+    nc = (m >> 1);
+    if(nc > 8)
+    {
+        Get_isp_pol_16kHz(&isp[0], f1, nc);
+        for (i = 0; i <= nc; i++)
+        {
+            f1[i] = f1[i] << 2;
+        }
+    } else
+        Get_isp_pol(&isp[0], f1, nc);
 
-	if (nc > 8)
-	{
-		Get_isp_pol_16kHz(&isp[1], f2, (nc - 1));
-		for (i = 0; i <= nc - 1; i++)
-		{
-			f2[i] = f2[i] << 2;
-		}
-	} else
-		Get_isp_pol(&isp[1], f2, (nc - 1));
+    if (nc > 8)
+    {
+        Get_isp_pol_16kHz(&isp[1], f2, (nc - 1));
+        for (i = 0; i <= nc - 1; i++)
+        {
+            f2[i] = f2[i] << 2;
+        }
+    } else
+        Get_isp_pol(&isp[1], f2, (nc - 1));
 
-	/*-----------------------------------------------------*
-	 *  Multiply F2(z) by (1 - z^-2)                       *
-	 *-----------------------------------------------------*/
+    /*-----------------------------------------------------*
+     *  Multiply F2(z) by (1 - z^-2)                       *
+     *-----------------------------------------------------*/
 
-	for (i = (nc - 1); i > 1; i--)
-	{
-		f2[i] = vo_L_sub(f2[i], f2[i - 2]);          /* f2[i] -= f2[i-2]; */
-	}
+    for (i = (nc - 1); i > 1; i--)
+    {
+        f2[i] = vo_L_sub(f2[i], f2[i - 2]);          /* f2[i] -= f2[i-2]; */
+    }
 
-	/*----------------------------------------------------------*
-	 *  Scale F1(z) by (1+isp[m-1])  and  F2(z) by (1-isp[m-1]) *
-	 *----------------------------------------------------------*/
+    /*----------------------------------------------------------*
+     *  Scale F1(z) by (1+isp[m-1])  and  F2(z) by (1-isp[m-1]) *
+     *----------------------------------------------------------*/
 
-	for (i = 0; i < nc; i++)
-	{
-		/* f1[i] *= (1.0 + isp[M-1]); */
+    for (i = 0; i < nc; i++)
+    {
+        /* f1[i] *= (1.0 + isp[M-1]); */
 
-		hi = f1[i] >> 16;
-		lo = (f1[i] & 0xffff)>>1;
+        hi = f1[i] >> 16;
+        lo = (f1[i] & 0xffff)>>1;
 
-		t0 = Mpy_32_16(hi, lo, isp[m - 1]);
-		f1[i] = vo_L_add(f1[i], t0);
+        t0 = Mpy_32_16(hi, lo, isp[m - 1]);
+        f1[i] = vo_L_add(f1[i], t0);
 
-		/* f2[i] *= (1.0 - isp[M-1]); */
+        /* f2[i] *= (1.0 - isp[M-1]); */
 
-		hi = f2[i] >> 16;
-		lo = (f2[i] & 0xffff)>>1;
-		t0 = Mpy_32_16(hi, lo, isp[m - 1]);
-		f2[i] = vo_L_sub(f2[i], t0);
-	}
+        hi = f2[i] >> 16;
+        lo = (f2[i] & 0xffff)>>1;
+        t0 = Mpy_32_16(hi, lo, isp[m - 1]);
+        f2[i] = vo_L_sub(f2[i], t0);
+    }
 
-	/*-----------------------------------------------------*
-	 *  A(z) = (F1(z)+F2(z))/2                             *
-	 *  F1(z) is symmetric and F2(z) is antisymmetric      *
-	 *-----------------------------------------------------*/
+    /*-----------------------------------------------------*
+     *  A(z) = (F1(z)+F2(z))/2                             *
+     *  F1(z) is symmetric and F2(z) is antisymmetric      *
+     *-----------------------------------------------------*/
 
-	/* a[0] = 1.0; */
-	a[0] = 4096;
-	tmax = 1;
-	for (i = 1, j = m - 1; i < nc; i++, j--)
-	{
-		/* a[i] = 0.5*(f1[i] + f2[i]); */
+    /* a[0] = 1.0; */
+    a[0] = 4096;
+    tmax = 1;
+    for (i = 1, j = m - 1; i < nc; i++, j--)
+    {
+        /* a[i] = 0.5*(f1[i] + f2[i]); */
 
-		t0 = vo_L_add(f1[i], f2[i]);          /* f1[i] + f2[i]             */
-		tmax |= L_abs(t0);
-		a[i] = (Word16)(vo_L_shr_r(t0, 12)); /* from Q23 to Q12 and * 0.5 */
+        t0 = vo_L_add(f1[i], f2[i]);          /* f1[i] + f2[i]             */
+        tmax |= L_abs(t0);
+        a[i] = (Word16)(vo_L_shr_r(t0, 12)); /* from Q23 to Q12 and * 0.5 */
 
-		/* a[j] = 0.5*(f1[i] - f2[i]); */
+        /* a[j] = 0.5*(f1[i] - f2[i]); */
 
-		t0 = vo_L_sub(f1[i], f2[i]);          /* f1[i] - f2[i]             */
-		tmax |= L_abs(t0);
-		a[j] = (Word16)(vo_L_shr_r(t0, 12)); /* from Q23 to Q12 and * 0.5 */
-	}
+        t0 = vo_L_sub(f1[i], f2[i]);          /* f1[i] - f2[i]             */
+        tmax |= L_abs(t0);
+        a[j] = (Word16)(vo_L_shr_r(t0, 12)); /* from Q23 to Q12 and * 0.5 */
+    }
 
-	/* rescale data if overflow has occured and reprocess the loop */
-	if(adaptive_scaling == 1)
-		q = 4 - norm_l(tmax);        /* adaptive scaling enabled */
-	else
-		q = 0;                           /* adaptive scaling disabled */
+    /* rescale data if overflow has occured and reprocess the loop */
+    if(adaptive_scaling == 1)
+        q = 4 - norm_l(tmax);        /* adaptive scaling enabled */
+    else
+        q = 0;                           /* adaptive scaling disabled */
 
-	if (q > 0)
-	{
-		q_sug = (12 + q);
-		for (i = 1, j = m - 1; i < nc; i++, j--)
-		{
-			/* a[i] = 0.5*(f1[i] + f2[i]); */
-			t0 = vo_L_add(f1[i], f2[i]);          /* f1[i] + f2[i]             */
-			a[i] = (Word16)(vo_L_shr_r(t0, q_sug)); /* from Q23 to Q12 and * 0.5 */
+    if (q > 0)
+    {
+        q_sug = (12 + q);
+        for (i = 1, j = m - 1; i < nc; i++, j--)
+        {
+            /* a[i] = 0.5*(f1[i] + f2[i]); */
+            t0 = vo_L_add(f1[i], f2[i]);          /* f1[i] + f2[i]             */
+            a[i] = (Word16)(vo_L_shr_r(t0, q_sug)); /* from Q23 to Q12 and * 0.5 */
 
-			/* a[j] = 0.5*(f1[i] - f2[i]); */
-			t0 = vo_L_sub(f1[i], f2[i]);          /* f1[i] - f2[i]             */
-			a[j] = (Word16)(vo_L_shr_r(t0, q_sug)); /* from Q23 to Q12 and * 0.5 */
-		}
-		a[0] = shr(a[0], q);
-	}
-	else
-	{
-		q_sug = 12;
-		q     = 0;
-	}
-	/* a[NC] = 0.5*f1[NC]*(1.0 + isp[M-1]); */
-	hi = f1[nc] >> 16;
-	lo = (f1[nc] & 0xffff)>>1;
-	t0 = Mpy_32_16(hi, lo, isp[m - 1]);
-	t0 = vo_L_add(f1[nc], t0);
-	a[nc] = (Word16)(L_shr_r(t0, q_sug));    /* from Q23 to Q12 and * 0.5 */
-	/* a[m] = isp[m-1]; */
+            /* a[j] = 0.5*(f1[i] - f2[i]); */
+            t0 = vo_L_sub(f1[i], f2[i]);          /* f1[i] - f2[i]             */
+            a[j] = (Word16)(vo_L_shr_r(t0, q_sug)); /* from Q23 to Q12 and * 0.5 */
+        }
+        a[0] = shr(a[0], q);
+    }
+    else
+    {
+        q_sug = 12;
+        q     = 0;
+    }
+    /* a[NC] = 0.5*f1[NC]*(1.0 + isp[M-1]); */
+    hi = f1[nc] >> 16;
+    lo = (f1[nc] & 0xffff)>>1;
+    t0 = Mpy_32_16(hi, lo, isp[m - 1]);
+    t0 = vo_L_add(f1[nc], t0);
+    a[nc] = (Word16)(L_shr_r(t0, q_sug));    /* from Q23 to Q12 and * 0.5 */
+    /* a[m] = isp[m-1]; */
 
-	a[m] = vo_shr_r(isp[m - 1], (3 + q));           /* from Q15 to Q12          */
-	return;
+    a[m] = vo_shr_r(isp[m - 1], (3 + q));           /* from Q15 to Q12          */
+    return;
 }
 
 /*-----------------------------------------------------------*
@@ -185,63 +185,63 @@
 
 static void Get_isp_pol(Word16 * isp, Word32 * f, Word16 n)
 {
-	Word16 hi, lo;
-	Word32 i, j, t0;
-	/* All computation in Q23 */
+    Word16 hi, lo;
+    Word32 i, j, t0;
+    /* All computation in Q23 */
 
-	f[0] = vo_L_mult(4096, 1024);               /* f[0] = 1.0;        in Q23  */
-	f[1] = vo_L_mult(isp[0], -256);             /* f[1] = -2.0*isp[0] in Q23  */
+    f[0] = vo_L_mult(4096, 1024);               /* f[0] = 1.0;        in Q23  */
+    f[1] = vo_L_mult(isp[0], -256);             /* f[1] = -2.0*isp[0] in Q23  */
 
-	f += 2;                                  /* Advance f pointer          */
-	isp += 2;                                /* Advance isp pointer        */
-	for (i = 2; i <= n; i++)
-	{
-		*f = f[-2];
-		for (j = 1; j < i; j++, f--)
-		{
-			hi = f[-1]>>16;
-			lo = (f[-1] & 0xffff)>>1;
+    f += 2;                                  /* Advance f pointer          */
+    isp += 2;                                /* Advance isp pointer        */
+    for (i = 2; i <= n; i++)
+    {
+        *f = f[-2];
+        for (j = 1; j < i; j++, f--)
+        {
+            hi = f[-1]>>16;
+            lo = (f[-1] & 0xffff)>>1;
 
-			t0 = Mpy_32_16(hi, lo, *isp);  /* t0 = f[-1] * isp    */
-			t0 = t0 << 1;
-			*f = vo_L_sub(*f, t0);              /* *f -= t0            */
-			*f = vo_L_add(*f, f[-2]);           /* *f += f[-2]         */
-		}
-		*f -= (*isp << 9);           /* *f -= isp<<8        */
-		f += i;                            /* Advance f pointer   */
-		isp += 2;                          /* Advance isp pointer */
-	}
-	return;
+            t0 = Mpy_32_16(hi, lo, *isp);  /* t0 = f[-1] * isp    */
+            t0 = t0 << 1;
+            *f = vo_L_sub(*f, t0);              /* *f -= t0            */
+            *f = vo_L_add(*f, f[-2]);           /* *f += f[-2]         */
+        }
+        *f -= (*isp << 9);           /* *f -= isp<<8        */
+        f += i;                            /* Advance f pointer   */
+        isp += 2;                          /* Advance isp pointer */
+    }
+    return;
 }
 
 static void Get_isp_pol_16kHz(Word16 * isp, Word32 * f, Word16 n)
 {
-	Word16 hi, lo;
-	Word32 i, j, t0;
+    Word16 hi, lo;
+    Word32 i, j, t0;
 
-	/* All computation in Q23 */
-	f[0] = L_mult(4096, 256);                /* f[0] = 1.0;        in Q23  */
-	f[1] = L_mult(isp[0], -64);              /* f[1] = -2.0*isp[0] in Q23  */
+    /* All computation in Q23 */
+    f[0] = L_mult(4096, 256);                /* f[0] = 1.0;        in Q23  */
+    f[1] = L_mult(isp[0], -64);              /* f[1] = -2.0*isp[0] in Q23  */
 
-	f += 2;                                  /* Advance f pointer          */
-	isp += 2;                                /* Advance isp pointer        */
+    f += 2;                                  /* Advance f pointer          */
+    isp += 2;                                /* Advance isp pointer        */
 
-	for (i = 2; i <= n; i++)
-	{
-		*f = f[-2];
-		for (j = 1; j < i; j++, f--)
-		{
-			VO_L_Extract(f[-1], &hi, &lo);
-			t0 = Mpy_32_16(hi, lo, *isp);  /* t0 = f[-1] * isp    */
-			t0 = L_shl2(t0, 1);
-			*f = L_sub(*f, t0);              /* *f -= t0            */
-			*f = L_add(*f, f[-2]);           /* *f += f[-2]         */
-		}
-		*f = L_msu(*f, *isp, 64);            /* *f -= isp<<8        */
-		f += i;                            /* Advance f pointer   */
-		isp += 2;                          /* Advance isp pointer */
-	}
-	return;
+    for (i = 2; i <= n; i++)
+    {
+        *f = f[-2];
+        for (j = 1; j < i; j++, f--)
+        {
+            VO_L_Extract(f[-1], &hi, &lo);
+            t0 = Mpy_32_16(hi, lo, *isp);  /* t0 = f[-1] * isp    */
+            t0 = L_shl2(t0, 1);
+            *f = L_sub(*f, t0);              /* *f -= t0            */
+            *f = L_add(*f, f[-2]);           /* *f += f[-2]         */
+        }
+        *f = L_msu(*f, *isp, 64);            /* *f -= isp<<8        */
+        f += i;                            /* Advance f pointer   */
+        isp += 2;                          /* Advance isp pointer */
+    }
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/isp_isf.c b/media/libstagefright/codecs/amrwbenc/src/isp_isf.c
index b4ba408..56798e0 100644
--- a/media/libstagefright/codecs/amrwbenc/src/isp_isf.c
+++ b/media/libstagefright/codecs/amrwbenc/src/isp_isf.c
@@ -18,11 +18,11 @@
 *       File: isp_isf.c                                                *
 *                                                                      *
 *       Description:                                                   *
-*	Isp_isf   Transformation isp to isf                            *
-*	Isf_isp   Transformation isf to isp                            *
+*   Isp_isf   Transformation isp to isf                            *
+*   Isf_isp   Transformation isf to isp                            *
 *                                                                      *
-*	The transformation from isp[i] to isf[i] and isf[i] to isp[i]  *
-*	are approximated by a look-up table and interpolation          *
+*   The transformation from isp[i] to isf[i] and isf[i] to isp[i]  *
+*   are approximated by a look-up table and interpolation          *
 *                                                                      *
 ************************************************************************/
 
@@ -31,59 +31,59 @@
 #include "isp_isf.tab"                     /* Look-up table for transformations */
 
 void Isp_isf(
-		Word16 isp[],                         /* (i) Q15 : isp[m] (range: -1<=val<1)                */
-		Word16 isf[],                         /* (o) Q15 : isf[m] normalized (range: 0.0<=val<=0.5) */
-		Word16 m                              /* (i)     : LPC order                                */
-	    )
+        Word16 isp[],                         /* (i) Q15 : isp[m] (range: -1<=val<1)                */
+        Word16 isf[],                         /* (o) Q15 : isf[m] normalized (range: 0.0<=val<=0.5) */
+        Word16 m                              /* (i)     : LPC order                                */
+        )
 {
-	Word32 i, ind;
-	Word32 L_tmp;
-	ind = 127;                               /* beging at end of table -1 */
-	for (i = (m - 1); i >= 0; i--)
-	{
-		if (i >= (m - 2))
-		{                                  /* m-2 is a constant */
-			ind = 127;                       /* beging at end of table -1 */
-		}
-		/* find value in table that is just greater than isp[i] */
-		while (table[ind] < isp[i])
-			ind--;
-		/* acos(isp[i])= ind*128 + ( ( isp[i]-table[ind] ) * slope[ind] )/2048 */
-		L_tmp = vo_L_mult(vo_sub(isp[i], table[ind]), slope[ind]);
-		isf[i] = vo_round((L_tmp << 4));   /* (isp[i]-table[ind])*slope[ind])>>11 */
-		isf[i] = add1(isf[i], (ind << 7));
-	}
-	isf[m - 1] = (isf[m - 1] >> 1);
-	return;
+    Word32 i, ind;
+    Word32 L_tmp;
+    ind = 127;                               /* beging at end of table -1 */
+    for (i = (m - 1); i >= 0; i--)
+    {
+        if (i >= (m - 2))
+        {                                  /* m-2 is a constant */
+            ind = 127;                       /* beging at end of table -1 */
+        }
+        /* find value in table that is just greater than isp[i] */
+        while (table[ind] < isp[i])
+            ind--;
+        /* acos(isp[i])= ind*128 + ( ( isp[i]-table[ind] ) * slope[ind] )/2048 */
+        L_tmp = vo_L_mult(vo_sub(isp[i], table[ind]), slope[ind]);
+        isf[i] = vo_round((L_tmp << 4));   /* (isp[i]-table[ind])*slope[ind])>>11 */
+        isf[i] = add1(isf[i], (ind << 7));
+    }
+    isf[m - 1] = (isf[m - 1] >> 1);
+    return;
 }
 
 
 void Isf_isp(
-		Word16 isf[],                         /* (i) Q15 : isf[m] normalized (range: 0.0<=val<=0.5) */
-		Word16 isp[],                         /* (o) Q15 : isp[m] (range: -1<=val<1)                */
-		Word16 m                              /* (i)     : LPC order                                */
-	    )
+        Word16 isf[],                         /* (i) Q15 : isf[m] normalized (range: 0.0<=val<=0.5) */
+        Word16 isp[],                         /* (o) Q15 : isp[m] (range: -1<=val<1)                */
+        Word16 m                              /* (i)     : LPC order                                */
+        )
 {
-	Word16 offset;
-	Word32 i, ind, L_tmp;
+    Word16 offset;
+    Word32 i, ind, L_tmp;
 
-	for (i = 0; i < m - 1; i++)
-	{
-		isp[i] = isf[i];
-	}
-	isp[m - 1] = (isf[m - 1] << 1);
+    for (i = 0; i < m - 1; i++)
+    {
+        isp[i] = isf[i];
+    }
+    isp[m - 1] = (isf[m - 1] << 1);
 
-	for (i = 0; i < m; i++)
-	{
-		ind = (isp[i] >> 7);                      /* ind    = b7-b15 of isf[i] */
-		offset = (Word16) (isp[i] & 0x007f);      /* offset = b0-b6  of isf[i] */
+    for (i = 0; i < m; i++)
+    {
+        ind = (isp[i] >> 7);                      /* ind    = b7-b15 of isf[i] */
+        offset = (Word16) (isp[i] & 0x007f);      /* offset = b0-b6  of isf[i] */
 
-		/* isp[i] = table[ind]+ ((table[ind+1]-table[ind])*offset) / 128 */
-		L_tmp = vo_L_mult(vo_sub(table[ind + 1], table[ind]), offset);
-		isp[i] = add1(table[ind], (Word16)((L_tmp >> 8)));
-	}
+        /* isp[i] = table[ind]+ ((table[ind+1]-table[ind])*offset) / 128 */
+        L_tmp = vo_L_mult(vo_sub(table[ind + 1], table[ind]), offset);
+        isp[i] = add1(table[ind], (Word16)((L_tmp >> 8)));
+    }
 
-	return;
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/lag_wind.c b/media/libstagefright/codecs/amrwbenc/src/lag_wind.c
index 49c622c..527430b 100644
--- a/media/libstagefright/codecs/amrwbenc/src/lag_wind.c
+++ b/media/libstagefright/codecs/amrwbenc/src/lag_wind.c
@@ -17,8 +17,8 @@
 /***********************************************************************
 *      File: lag_wind.c                                                *
 *                                                                      *
-*	   Description: Lag_windows on autocorrelations                *
-*	                r[i] *= lag_wind[i]                            *
+*      Description: Lag_windows on autocorrelations                *
+*                   r[i] *= lag_wind[i]                            *
 *                                                                      *
 ************************************************************************/
 
@@ -29,20 +29,20 @@
 
 
 void Lag_window(
-		Word16 r_h[],                         /* (i/o)   : Autocorrelations  (msb)          */
-		Word16 r_l[]                          /* (i/o)   : Autocorrelations  (lsb)          */
-	       )
+        Word16 r_h[],                         /* (i/o)   : Autocorrelations  (msb)          */
+        Word16 r_l[]                          /* (i/o)   : Autocorrelations  (lsb)          */
+           )
 {
-	Word32 i;
-	Word32 x;
+    Word32 i;
+    Word32 x;
 
-	for (i = 1; i <= M; i++)
-	{
-		x = Mpy_32(r_h[i], r_l[i], volag_h[i - 1], volag_l[i - 1]);
-		r_h[i] = x >> 16;
-		r_l[i] = (x & 0xffff)>>1;
-	}
-	return;
+    for (i = 1; i <= M; i++)
+    {
+        x = Mpy_32(r_h[i], r_l[i], volag_h[i - 1], volag_l[i - 1]);
+        r_h[i] = x >> 16;
+        r_l[i] = (x & 0xffff)>>1;
+    }
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/levinson.c b/media/libstagefright/codecs/amrwbenc/src/levinson.c
index 4b2f8ed..9d5a3bd 100644
--- a/media/libstagefright/codecs/amrwbenc/src/levinson.c
+++ b/media/libstagefright/codecs/amrwbenc/src/levinson.c
@@ -21,7 +21,7 @@
 *                                                                      *
 ************************************************************************/
 /*---------------------------------------------------------------------------*
- *                         LEVINSON.C					     *
+ *                         LEVINSON.C                        *
  *---------------------------------------------------------------------------*
  *                                                                           *
  *      LEVINSON-DURBIN algorithm in double precision                        *
@@ -96,154 +96,154 @@
 #define NC  (M/2)
 
 void Init_Levinson(
-		Word16 * mem                          /* output  :static memory (18 words) */
-		)
+        Word16 * mem                          /* output  :static memory (18 words) */
+        )
 {
-	Set_zero(mem, 18);                     /* old_A[0..M-1] = 0, old_rc[0..1] = 0 */
-	return;
+    Set_zero(mem, 18);                     /* old_A[0..M-1] = 0, old_rc[0..1] = 0 */
+    return;
 }
 
 
 void Levinson(
-		Word16 Rh[],                          /* (i)     : Rh[M+1] Vector of autocorrelations (msb) */
-		Word16 Rl[],                          /* (i)     : Rl[M+1] Vector of autocorrelations (lsb) */
-		Word16 A[],                           /* (o) Q12 : A[M]    LPC coefficients  (m = 16)       */
-		Word16 rc[],                          /* (o) Q15 : rc[M]   Reflection coefficients.         */
-		Word16 * mem                          /* (i/o)   :static memory (18 words)                  */
-	     )
+        Word16 Rh[],                          /* (i)     : Rh[M+1] Vector of autocorrelations (msb) */
+        Word16 Rl[],                          /* (i)     : Rl[M+1] Vector of autocorrelations (lsb) */
+        Word16 A[],                           /* (o) Q12 : A[M]    LPC coefficients  (m = 16)       */
+        Word16 rc[],                          /* (o) Q15 : rc[M]   Reflection coefficients.         */
+        Word16 * mem                          /* (i/o)   :static memory (18 words)                  */
+         )
 {
-	Word32 i, j;
-	Word16 hi, lo;
-	Word16 Kh, Kl;                         /* reflection coefficient; hi and lo           */
-	Word16 alp_h, alp_l, alp_exp;          /* Prediction gain; hi lo and exponent         */
-	Word16 Ah[M + 1], Al[M + 1];           /* LPC coef. in double prec.                   */
-	Word16 Anh[M + 1], Anl[M + 1];         /* LPC coef.for next iteration in double prec. */
-	Word32 t0, t1, t2;                     /* temporary variable                          */
-	Word16 *old_A, *old_rc;
+    Word32 i, j;
+    Word16 hi, lo;
+    Word16 Kh, Kl;                         /* reflection coefficient; hi and lo           */
+    Word16 alp_h, alp_l, alp_exp;          /* Prediction gain; hi lo and exponent         */
+    Word16 Ah[M + 1], Al[M + 1];           /* LPC coef. in double prec.                   */
+    Word16 Anh[M + 1], Anl[M + 1];         /* LPC coef.for next iteration in double prec. */
+    Word32 t0, t1, t2;                     /* temporary variable                          */
+    Word16 *old_A, *old_rc;
 
-	/* Last A(z) for case of unstable filter */
-	old_A = mem;
-	old_rc = mem + M;
+    /* Last A(z) for case of unstable filter */
+    old_A = mem;
+    old_rc = mem + M;
 
-	/* K = A[1] = -R[1] / R[0] */
+    /* K = A[1] = -R[1] / R[0] */
 
-	t1 = ((Rh[1] << 16) + (Rl[1] << 1));   /* R[1] in Q31 */
-	t2 = L_abs(t1);                        /* abs R[1]         */
-	t0 = Div_32(t2, Rh[0], Rl[0]);         /* R[1]/R[0] in Q31 */
-	if (t1 > 0)
-		t0 = -t0;                          /* -R[1]/R[0]       */
+    t1 = ((Rh[1] << 16) + (Rl[1] << 1));   /* R[1] in Q31 */
+    t2 = L_abs(t1);                        /* abs R[1]         */
+    t0 = Div_32(t2, Rh[0], Rl[0]);         /* R[1]/R[0] in Q31 */
+    if (t1 > 0)
+        t0 = -t0;                          /* -R[1]/R[0]       */
 
-	Kh = t0 >> 16;
-	Kl = (t0 & 0xffff)>>1;
-	rc[0] = Kh;
-	t0 = (t0 >> 4);                        /* A[1] in Q27      */
+    Kh = t0 >> 16;
+    Kl = (t0 & 0xffff)>>1;
+    rc[0] = Kh;
+    t0 = (t0 >> 4);                        /* A[1] in Q27      */
 
-	Ah[1] = t0 >> 16;
-	Al[1] = (t0 & 0xffff)>>1;
+    Ah[1] = t0 >> 16;
+    Al[1] = (t0 & 0xffff)>>1;
 
-	/* Alpha = R[0] * (1-K**2) */
-	t0 = Mpy_32(Kh, Kl, Kh, Kl);           /* K*K      in Q31 */
-	t0 = L_abs(t0);                        /* Some case <0 !! */
-	t0 = vo_L_sub((Word32) 0x7fffffffL, t0);  /* 1 - K*K  in Q31 */
+    /* Alpha = R[0] * (1-K**2) */
+    t0 = Mpy_32(Kh, Kl, Kh, Kl);           /* K*K      in Q31 */
+    t0 = L_abs(t0);                        /* Some case <0 !! */
+    t0 = vo_L_sub((Word32) 0x7fffffffL, t0);  /* 1 - K*K  in Q31 */
 
-	hi = t0 >> 16;
-	lo = (t0 & 0xffff)>>1;
+    hi = t0 >> 16;
+    lo = (t0 & 0xffff)>>1;
 
-	t0 = Mpy_32(Rh[0], Rl[0], hi, lo);     /* Alpha in Q31    */
+    t0 = Mpy_32(Rh[0], Rl[0], hi, lo);     /* Alpha in Q31    */
 
-	/* Normalize Alpha */
-	alp_exp = norm_l(t0);
-	t0 = (t0 << alp_exp);
+    /* Normalize Alpha */
+    alp_exp = norm_l(t0);
+    t0 = (t0 << alp_exp);
 
-	alp_h = t0 >> 16;
-	alp_l = (t0 & 0xffff)>>1;
-	/*--------------------------------------*
-	 * ITERATIONS  I=2 to M                 *
-	 *--------------------------------------*/
-	for (i = 2; i <= M; i++)
-	{
-		/* t0 = SUM ( R[j]*A[i-j] ,j=1,i-1 ) +  R[i] */
-		t0 = 0;
-		for (j = 1; j < i; j++)
-			t0 = vo_L_add(t0, Mpy_32(Rh[j], Rl[j], Ah[i - j], Al[i - j]));
+    alp_h = t0 >> 16;
+    alp_l = (t0 & 0xffff)>>1;
+    /*--------------------------------------*
+     * ITERATIONS  I=2 to M                 *
+     *--------------------------------------*/
+    for (i = 2; i <= M; i++)
+    {
+        /* t0 = SUM ( R[j]*A[i-j] ,j=1,i-1 ) +  R[i] */
+        t0 = 0;
+        for (j = 1; j < i; j++)
+            t0 = vo_L_add(t0, Mpy_32(Rh[j], Rl[j], Ah[i - j], Al[i - j]));
 
-		t0 = t0 << 4;                 /* result in Q27 -> convert to Q31 */
-		/* No overflow possible            */
-		t1 = ((Rh[i] << 16) + (Rl[i] << 1));
-		t0 = vo_L_add(t0, t1);                /* add R[i] in Q31                 */
+        t0 = t0 << 4;                 /* result in Q27 -> convert to Q31 */
+        /* No overflow possible            */
+        t1 = ((Rh[i] << 16) + (Rl[i] << 1));
+        t0 = vo_L_add(t0, t1);                /* add R[i] in Q31                 */
 
-		/* K = -t0 / Alpha */
-		t1 = L_abs(t0);
-		t2 = Div_32(t1, alp_h, alp_l);     /* abs(t0)/Alpha                   */
-		if (t0 > 0)
-			t2 = -t2;                   /* K =-t0/Alpha                    */
-		t2 = (t2 << alp_exp);           /* denormalize; compare to Alpha   */
+        /* K = -t0 / Alpha */
+        t1 = L_abs(t0);
+        t2 = Div_32(t1, alp_h, alp_l);     /* abs(t0)/Alpha                   */
+        if (t0 > 0)
+            t2 = -t2;                   /* K =-t0/Alpha                    */
+        t2 = (t2 << alp_exp);           /* denormalize; compare to Alpha   */
 
-		Kh = t2 >> 16;
-		Kl = (t2 & 0xffff)>>1;
+        Kh = t2 >> 16;
+        Kl = (t2 & 0xffff)>>1;
 
-		rc[i - 1] = Kh;
-		/* Test for unstable filter. If unstable keep old A(z) */
-		if (abs_s(Kh) > 32750)
-		{
-			A[0] = 4096;                    /* Ai[0] not stored (always 1.0) */
-			for (j = 0; j < M; j++)
-			{
-				A[j + 1] = old_A[j];
-			}
-			rc[0] = old_rc[0];             /* only two rc coefficients are needed */
-			rc[1] = old_rc[1];
-			return;
-		}
-		/*------------------------------------------*
-		 *  Compute new LPC coeff. -> An[i]         *
-		 *  An[j]= A[j] + K*A[i-j]     , j=1 to i-1 *
-		 *  An[i]= K                                *
-		 *------------------------------------------*/
-		for (j = 1; j < i; j++)
-		{
-			t0 = Mpy_32(Kh, Kl, Ah[i - j], Al[i - j]);
-			t0 = vo_L_add(t0, ((Ah[j] << 16) + (Al[j] << 1)));
-			Anh[j] = t0 >> 16;
-			Anl[j] = (t0 & 0xffff)>>1;
-		}
-		t2 = (t2 >> 4);                 /* t2 = K in Q31 ->convert to Q27  */
+        rc[i - 1] = Kh;
+        /* Test for unstable filter. If unstable keep old A(z) */
+        if (abs_s(Kh) > 32750)
+        {
+            A[0] = 4096;                    /* Ai[0] not stored (always 1.0) */
+            for (j = 0; j < M; j++)
+            {
+                A[j + 1] = old_A[j];
+            }
+            rc[0] = old_rc[0];             /* only two rc coefficients are needed */
+            rc[1] = old_rc[1];
+            return;
+        }
+        /*------------------------------------------*
+         *  Compute new LPC coeff. -> An[i]         *
+         *  An[j]= A[j] + K*A[i-j]     , j=1 to i-1 *
+         *  An[i]= K                                *
+         *------------------------------------------*/
+        for (j = 1; j < i; j++)
+        {
+            t0 = Mpy_32(Kh, Kl, Ah[i - j], Al[i - j]);
+            t0 = vo_L_add(t0, ((Ah[j] << 16) + (Al[j] << 1)));
+            Anh[j] = t0 >> 16;
+            Anl[j] = (t0 & 0xffff)>>1;
+        }
+        t2 = (t2 >> 4);                 /* t2 = K in Q31 ->convert to Q27  */
 
-		VO_L_Extract(t2, &Anh[i], &Anl[i]);   /* An[i] in Q27                    */
+        VO_L_Extract(t2, &Anh[i], &Anl[i]);   /* An[i] in Q27                    */
 
-		/* Alpha = Alpha * (1-K**2) */
-		t0 = Mpy_32(Kh, Kl, Kh, Kl);               /* K*K      in Q31 */
-		t0 = L_abs(t0);                            /* Some case <0 !! */
-		t0 = vo_L_sub((Word32) 0x7fffffffL, t0);   /* 1 - K*K  in Q31 */
-		hi = t0 >> 16;
-		lo = (t0 & 0xffff)>>1;
-		t0 = Mpy_32(alp_h, alp_l, hi, lo); /* Alpha in Q31    */
+        /* Alpha = Alpha * (1-K**2) */
+        t0 = Mpy_32(Kh, Kl, Kh, Kl);               /* K*K      in Q31 */
+        t0 = L_abs(t0);                            /* Some case <0 !! */
+        t0 = vo_L_sub((Word32) 0x7fffffffL, t0);   /* 1 - K*K  in Q31 */
+        hi = t0 >> 16;
+        lo = (t0 & 0xffff)>>1;
+        t0 = Mpy_32(alp_h, alp_l, hi, lo); /* Alpha in Q31    */
 
-		/* Normalize Alpha */
-		j = norm_l(t0);
-		t0 = (t0 << j);
-		alp_h = t0 >> 16;
-		alp_l = (t0 & 0xffff)>>1;
-		alp_exp += j;         /* Add normalization to alp_exp */
+        /* Normalize Alpha */
+        j = norm_l(t0);
+        t0 = (t0 << j);
+        alp_h = t0 >> 16;
+        alp_l = (t0 & 0xffff)>>1;
+        alp_exp += j;         /* Add normalization to alp_exp */
 
-		/* A[j] = An[j] */
-		for (j = 1; j <= i; j++)
-		{
-			Ah[j] = Anh[j];
-			Al[j] = Anl[j];
-		}
-	}
-	/* Truncate A[i] in Q27 to Q12 with rounding */
-	A[0] = 4096;
-	for (i = 1; i <= M; i++)
-	{
-		t0 = (Ah[i] << 16) + (Al[i] << 1);
-		old_A[i - 1] = A[i] = vo_round((t0 << 1));
-	}
-	old_rc[0] = rc[0];
-	old_rc[1] = rc[1];
+        /* A[j] = An[j] */
+        for (j = 1; j <= i; j++)
+        {
+            Ah[j] = Anh[j];
+            Al[j] = Anl[j];
+        }
+    }
+    /* Truncate A[i] in Q27 to Q12 with rounding */
+    A[0] = 4096;
+    for (i = 1; i <= M; i++)
+    {
+        t0 = (Ah[i] << 16) + (Al[i] << 1);
+        old_A[i - 1] = A[i] = vo_round((t0 << 1));
+    }
+    old_rc[0] = rc[0];
+    old_rc[1] = rc[1];
 
-	return;
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/log2.c b/media/libstagefright/codecs/amrwbenc/src/log2.c
index 0f65541..f14058e 100644
--- a/media/libstagefright/codecs/amrwbenc/src/log2.c
+++ b/media/libstagefright/codecs/amrwbenc/src/log2.c
@@ -54,33 +54,33 @@
 *************************************************************************/
 
 void Log2_norm (
-		Word32 L_x,         /* (i) : input value (normalized)                    */
-		Word16 exp,         /* (i) : norm_l (L_x)                                */
-		Word16 *exponent,   /* (o) : Integer part of Log2.   (range: 0<=val<=30) */
-		Word16 *fraction    /* (o) : Fractional part of Log2. (range: 0<=val<1)  */
-	       )
+        Word32 L_x,         /* (i) : input value (normalized)                    */
+        Word16 exp,         /* (i) : norm_l (L_x)                                */
+        Word16 *exponent,   /* (o) : Integer part of Log2.   (range: 0<=val<=30) */
+        Word16 *fraction    /* (o) : Fractional part of Log2. (range: 0<=val<1)  */
+           )
 {
-	Word16 i, a, tmp;
-	Word32 L_y;
-	if (L_x <= (Word32) 0)
-	{
-		*exponent = 0;
-		*fraction = 0;
-		return;
-	}
-	*exponent = (30 - exp);
-	L_x = (L_x >> 9);
-	i = extract_h (L_x);                /* Extract b25-b31 */
-	L_x = (L_x >> 1);
-	a = (Word16)(L_x);                /* Extract b10-b24 of fraction */
-	a = (Word16)(a & (Word16)0x7fff);
-	i -= 32;
-	L_y = L_deposit_h (table[i]);       /* table[i] << 16        */
-	tmp = vo_sub(table[i], table[i + 1]); /* table[i] - table[i+1] */
-	L_y = vo_L_msu (L_y, tmp, a);          /* L_y -= tmp*a*2        */
-	*fraction = extract_h (L_y);
+    Word16 i, a, tmp;
+    Word32 L_y;
+    if (L_x <= (Word32) 0)
+    {
+        *exponent = 0;
+        *fraction = 0;
+        return;
+    }
+    *exponent = (30 - exp);
+    L_x = (L_x >> 9);
+    i = extract_h (L_x);                /* Extract b25-b31 */
+    L_x = (L_x >> 1);
+    a = (Word16)(L_x);                /* Extract b10-b24 of fraction */
+    a = (Word16)(a & (Word16)0x7fff);
+    i -= 32;
+    L_y = L_deposit_h (table[i]);       /* table[i] << 16        */
+    tmp = vo_sub(table[i], table[i + 1]); /* table[i] - table[i+1] */
+    L_y = vo_L_msu (L_y, tmp, a);          /* L_y -= tmp*a*2        */
+    *fraction = extract_h (L_y);
 
-	return;
+    return;
 }
 
 /*************************************************************************
@@ -96,15 +96,15 @@
 *************************************************************************/
 
 void Log2 (
-		Word32 L_x,         /* (i) : input value                                 */
-		Word16 *exponent,   /* (o) : Integer part of Log2.   (range: 0<=val<=30) */
-		Word16 *fraction    /* (o) : Fractional part of Log2. (range: 0<=val<1) */
-	  )
+        Word32 L_x,         /* (i) : input value                                 */
+        Word16 *exponent,   /* (o) : Integer part of Log2.   (range: 0<=val<=30) */
+        Word16 *fraction    /* (o) : Fractional part of Log2. (range: 0<=val<1) */
+      )
 {
-	Word16 exp;
+    Word16 exp;
 
-	exp = norm_l(L_x);
-	Log2_norm ((L_x << exp), exp, exponent, fraction);
+    exp = norm_l(L_x);
+    Log2_norm ((L_x << exp), exp, exponent, fraction);
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/lp_dec2.c b/media/libstagefright/codecs/amrwbenc/src/lp_dec2.c
index 1d5d076..9a9dd34 100644
--- a/media/libstagefright/codecs/amrwbenc/src/lp_dec2.c
+++ b/media/libstagefright/codecs/amrwbenc/src/lp_dec2.c
@@ -17,7 +17,7 @@
 /***********************************************************************
 *       File: lp_dec2.c                                                *
 *                                                                      *
-*	Description:Decimate a vector by 2 with 2nd order fir filter   *
+*   Description:Decimate a vector by 2 with 2nd order fir filter   *
 *                                                                      *
 ************************************************************************/
 
@@ -33,36 +33,36 @@
 static Word16 h_fir[L_FIR] = {4260, 7536, 9175, 7536, 4260};
 
 void LP_Decim2(
-		Word16 x[],                           /* in/out: signal to process         */
-		Word16 l,                             /* input : size of filtering         */
-		Word16 mem[]                          /* in/out: memory (size=3)           */
-	      )
+        Word16 x[],                           /* in/out: signal to process         */
+        Word16 l,                             /* input : size of filtering         */
+        Word16 mem[]                          /* in/out: memory (size=3)           */
+          )
 {
-	Word16 *p_x, x_buf[L_FRAME + L_MEM];
-	Word32 i, j;
-	Word32 L_tmp;
-	/* copy initial filter states into buffer */
-	p_x = x_buf;
-	for (i = 0; i < L_MEM; i++)
-	{
-		*p_x++ = mem[i];
-		mem[i] = x[l - L_MEM + i];
-	}
-	for (i = 0; i < l; i++)
-	{
-		*p_x++ = x[i];
-	}
-	for (i = 0, j = 0; i < l; i += 2, j++)
-	{
-		p_x = &x_buf[i];
-		L_tmp  = ((*p_x++) * h_fir[0]);
-		L_tmp += ((*p_x++) * h_fir[1]);
-		L_tmp += ((*p_x++) * h_fir[2]);
-		L_tmp += ((*p_x++) * h_fir[3]);
-		L_tmp += ((*p_x++) * h_fir[4]);
-		x[j] = (L_tmp + 0x4000)>>15;
-	}
-	return;
+    Word16 *p_x, x_buf[L_FRAME + L_MEM];
+    Word32 i, j;
+    Word32 L_tmp;
+    /* copy initial filter states into buffer */
+    p_x = x_buf;
+    for (i = 0; i < L_MEM; i++)
+    {
+        *p_x++ = mem[i];
+        mem[i] = x[l - L_MEM + i];
+    }
+    for (i = 0; i < l; i++)
+    {
+        *p_x++ = x[i];
+    }
+    for (i = 0, j = 0; i < l; i += 2, j++)
+    {
+        p_x = &x_buf[i];
+        L_tmp  = ((*p_x++) * h_fir[0]);
+        L_tmp += ((*p_x++) * h_fir[1]);
+        L_tmp += ((*p_x++) * h_fir[2]);
+        L_tmp += ((*p_x++) * h_fir[3]);
+        L_tmp += ((*p_x++) * h_fir[4]);
+        x[j] = (L_tmp + 0x4000)>>15;
+    }
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/math_op.c b/media/libstagefright/codecs/amrwbenc/src/math_op.c
index 7affbb2..3b237da 100644
--- a/media/libstagefright/codecs/amrwbenc/src/math_op.c
+++ b/media/libstagefright/codecs/amrwbenc/src/math_op.c
@@ -55,17 +55,17 @@
 |___________________________________________________________________________|
 */
 Word32 Isqrt(                              /* (o) Q31 : output value (range: 0<=val<1)         */
-		Word32 L_x                            /* (i) Q0  : input value  (range: 0<=val<=7fffffff) */
-	    )
+        Word32 L_x                            /* (i) Q0  : input value  (range: 0<=val<=7fffffff) */
+        )
 {
-	Word16 exp;
-	Word32 L_y;
-	exp = norm_l(L_x);
-	L_x = (L_x << exp);                 /* L_x is normalized */
-	exp = (31 - exp);
-	Isqrt_n(&L_x, &exp);
-	L_y = (L_x << exp);                 /* denormalization   */
-	return (L_y);
+    Word16 exp;
+    Word32 L_y;
+    exp = norm_l(L_x);
+    L_x = (L_x << exp);                 /* L_x is normalized */
+    exp = (31 - exp);
+    Isqrt_n(&L_x, &exp);
+    L_y = (L_x << exp);                 /* denormalization   */
+    return (L_y);
 }
 
 /*___________________________________________________________________________
@@ -90,43 +90,43 @@
 */
 static Word16 table_isqrt[49] =
 {
-	32767, 31790, 30894, 30070, 29309, 28602, 27945, 27330, 26755, 26214,
-	25705, 25225, 24770, 24339, 23930, 23541, 23170, 22817, 22479, 22155,
-	21845, 21548, 21263, 20988, 20724, 20470, 20225, 19988, 19760, 19539,
-	19326, 19119, 18919, 18725, 18536, 18354, 18176, 18004, 17837, 17674,
-	17515, 17361, 17211, 17064, 16921, 16782, 16646, 16514, 16384
+    32767, 31790, 30894, 30070, 29309, 28602, 27945, 27330, 26755, 26214,
+    25705, 25225, 24770, 24339, 23930, 23541, 23170, 22817, 22479, 22155,
+    21845, 21548, 21263, 20988, 20724, 20470, 20225, 19988, 19760, 19539,
+    19326, 19119, 18919, 18725, 18536, 18354, 18176, 18004, 17837, 17674,
+    17515, 17361, 17211, 17064, 16921, 16782, 16646, 16514, 16384
 };
 
 void Isqrt_n(
-		Word32 * frac,                        /* (i/o) Q31: normalized value (1.0 < frac <= 0.5) */
-		Word16 * exp                          /* (i/o)    : exponent (value = frac x 2^exponent) */
-	    )
+        Word32 * frac,                        /* (i/o) Q31: normalized value (1.0 < frac <= 0.5) */
+        Word16 * exp                          /* (i/o)    : exponent (value = frac x 2^exponent) */
+        )
 {
-	Word16 i, a, tmp;
+    Word16 i, a, tmp;
 
-	if (*frac <= (Word32) 0)
-	{
-		*exp = 0;
-		*frac = 0x7fffffffL;
-		return;
-	}
+    if (*frac <= (Word32) 0)
+    {
+        *exp = 0;
+        *frac = 0x7fffffffL;
+        return;
+    }
 
-	if((*exp & 1) == 1)                       /*If exponant odd -> shift right */
-		*frac = (*frac) >> 1;
+    if((*exp & 1) == 1)                       /*If exponant odd -> shift right */
+        *frac = (*frac) >> 1;
 
-	*exp = negate((*exp - 1) >> 1);
+    *exp = negate((*exp - 1) >> 1);
 
-	*frac = (*frac >> 9);
-	i = extract_h(*frac);                  /* Extract b25-b31 */
-	*frac = (*frac >> 1);
-	a = (Word16)(*frac);                  /* Extract b10-b24 */
-	a = (Word16) (a & (Word16) 0x7fff);
-	i -= 16;
-	*frac = L_deposit_h(table_isqrt[i]);   /* table[i] << 16         */
-	tmp = vo_sub(table_isqrt[i], table_isqrt[i + 1]);      /* table[i] - table[i+1]) */
-	*frac = vo_L_msu(*frac, tmp, a);          /* frac -=  tmp*a*2       */
+    *frac = (*frac >> 9);
+    i = extract_h(*frac);                  /* Extract b25-b31 */
+    *frac = (*frac >> 1);
+    a = (Word16)(*frac);                  /* Extract b10-b24 */
+    a = (Word16) (a & (Word16) 0x7fff);
+    i -= 16;
+    *frac = L_deposit_h(table_isqrt[i]);   /* table[i] << 16         */
+    tmp = vo_sub(table_isqrt[i], table_isqrt[i + 1]);      /* table[i] - table[i+1]) */
+    *frac = vo_L_msu(*frac, tmp, a);          /* frac -=  tmp*a*2       */
 
-	return;
+    return;
 }
 
 /*___________________________________________________________________________
@@ -149,34 +149,34 @@
 */
 static Word16 table_pow2[33] =
 {
-	16384, 16743, 17109, 17484, 17867, 18258, 18658, 19066, 19484, 19911,
-	20347, 20792, 21247, 21713, 22188, 22674, 23170, 23678, 24196, 24726,
-	25268, 25821, 26386, 26964, 27554, 28158, 28774, 29405, 30048, 30706,
-	31379, 32066, 32767
+    16384, 16743, 17109, 17484, 17867, 18258, 18658, 19066, 19484, 19911,
+    20347, 20792, 21247, 21713, 22188, 22674, 23170, 23678, 24196, 24726,
+    25268, 25821, 26386, 26964, 27554, 28158, 28774, 29405, 30048, 30706,
+    31379, 32066, 32767
 };
 
 Word32 Pow2(                               /* (o) Q0  : result       (range: 0<=val<=0x7fffffff) */
-		Word16 exponant,                      /* (i) Q0  : Integer part.      (range: 0<=val<=30)   */
-		Word16 fraction                       /* (i) Q15 : Fractionnal part.  (range: 0.0<=val<1.0) */
-	   )
+        Word16 exponant,                      /* (i) Q0  : Integer part.      (range: 0<=val<=30)   */
+        Word16 fraction                       /* (i) Q15 : Fractionnal part.  (range: 0.0<=val<1.0) */
+       )
 {
-	Word16 exp, i, a, tmp;
-	Word32 L_x;
+    Word16 exp, i, a, tmp;
+    Word32 L_x;
 
-	L_x = vo_L_mult(fraction, 32);            /* L_x = fraction<<6           */
-	i = extract_h(L_x);                    /* Extract b10-b16 of fraction */
-	L_x =L_x >> 1;
-	a = (Word16)(L_x);                    /* Extract b0-b9   of fraction */
-	a = (Word16) (a & (Word16) 0x7fff);
+    L_x = vo_L_mult(fraction, 32);            /* L_x = fraction<<6           */
+    i = extract_h(L_x);                    /* Extract b10-b16 of fraction */
+    L_x =L_x >> 1;
+    a = (Word16)(L_x);                    /* Extract b0-b9   of fraction */
+    a = (Word16) (a & (Word16) 0x7fff);
 
-	L_x = L_deposit_h(table_pow2[i]);      /* table[i] << 16        */
-	tmp = vo_sub(table_pow2[i], table_pow2[i + 1]);        /* table[i] - table[i+1] */
-	L_x -= (tmp * a)<<1;              /* L_x -= tmp*a*2        */
+    L_x = L_deposit_h(table_pow2[i]);      /* table[i] << 16        */
+    tmp = vo_sub(table_pow2[i], table_pow2[i + 1]);        /* table[i] - table[i+1] */
+    L_x -= (tmp * a)<<1;              /* L_x -= tmp*a*2        */
 
-	exp = vo_sub(30, exponant);
-	L_x = vo_L_shr_r(L_x, exp);
+    exp = vo_sub(30, exponant);
+    L_x = vo_L_shr_r(L_x, exp);
 
-	return (L_x);
+    return (L_x);
 }
 
 /*___________________________________________________________________________
@@ -194,25 +194,25 @@
 */
 
 Word32 Dot_product12(                      /* (o) Q31: normalized result (1 < val <= -1) */
-		Word16 x[],                           /* (i) 12bits: x vector                       */
-		Word16 y[],                           /* (i) 12bits: y vector                       */
-		Word16 lg,                            /* (i)    : vector length                     */
-		Word16 * exp                          /* (o)    : exponent of result (0..+30)       */
-		)
+        Word16 x[],                           /* (i) 12bits: x vector                       */
+        Word16 y[],                           /* (i) 12bits: y vector                       */
+        Word16 lg,                            /* (i)    : vector length                     */
+        Word16 * exp                          /* (o)    : exponent of result (0..+30)       */
+        )
 {
-	Word16 sft;
-	Word32 i, L_sum;
-	L_sum = 0;
-	for (i = 0; i < lg; i++)
-	{
-		L_sum += x[i] * y[i];
-	}
-	L_sum = (L_sum << 1) + 1;
-	/* Normalize acc in Q31 */
-	sft = norm_l(L_sum);
-	L_sum = L_sum << sft;
-	*exp = 30 - sft;            /* exponent = 0..30 */
-	return (L_sum);
+    Word16 sft;
+    Word32 i, L_sum;
+    L_sum = 0;
+    for (i = 0; i < lg; i++)
+    {
+        L_sum += x[i] * y[i];
+    }
+    L_sum = (L_sum << 1) + 1;
+    /* Normalize acc in Q31 */
+    sft = norm_l(L_sum);
+    L_sum = L_sum << sft;
+    *exp = 30 - sft;            /* exponent = 0..30 */
+    return (L_sum);
 
 }
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/mem_align.c b/media/libstagefright/codecs/amrwbenc/src/mem_align.c
index 3b7853f..04e5976 100644
--- a/media/libstagefright/codecs/amrwbenc/src/mem_align.c
+++ b/media/libstagefright/codecs/amrwbenc/src/mem_align.c
@@ -15,18 +15,18 @@
  */
 
 /*******************************************************************************
-	File:		mem_align.c
+    File:       mem_align.c
 
-	Content:	Memory alloc alignments functions
+    Content:    Memory alloc alignments functions
 
 *******************************************************************************/
 
 
-#include	"mem_align.h"
+#include    "mem_align.h"
 #ifdef _MSC_VER
-#include	<stddef.h>
+#include    <stddef.h>
 #else
-#include	<stdint.h>
+#include    <stdint.h>
 #endif
 
 /*****************************************************************************
@@ -39,50 +39,50 @@
 void *
 mem_malloc(VO_MEM_OPERATOR *pMemop, unsigned int size, unsigned char alignment, unsigned int CodecID)
 {
-	int ret;
-	unsigned char *mem_ptr;
-	VO_MEM_INFO MemInfo;
+    int ret;
+    unsigned char *mem_ptr;
+    VO_MEM_INFO MemInfo;
 
-	if (!alignment) {
+    if (!alignment) {
 
-		MemInfo.Flag = 0;
-		MemInfo.Size = size + 1;
-		ret = pMemop->Alloc(CodecID, &MemInfo);
-		if(ret != 0)
-			return 0;
-		mem_ptr = (unsigned char *)MemInfo.VBuffer;
+        MemInfo.Flag = 0;
+        MemInfo.Size = size + 1;
+        ret = pMemop->Alloc(CodecID, &MemInfo);
+        if(ret != 0)
+            return 0;
+        mem_ptr = (unsigned char *)MemInfo.VBuffer;
 
-		pMemop->Set(CodecID, mem_ptr, 0, size + 1);
+        pMemop->Set(CodecID, mem_ptr, 0, size + 1);
 
-		*mem_ptr = (unsigned char)1;
+        *mem_ptr = (unsigned char)1;
 
-		return ((void *)(mem_ptr+1));
-	} else {
-		unsigned char *tmp;
+        return ((void *)(mem_ptr+1));
+    } else {
+        unsigned char *tmp;
 
-		MemInfo.Flag = 0;
-		MemInfo.Size = size + alignment;
-		ret = pMemop->Alloc(CodecID, &MemInfo);
-		if(ret != 0)
-			return 0;
+        MemInfo.Flag = 0;
+        MemInfo.Size = size + alignment;
+        ret = pMemop->Alloc(CodecID, &MemInfo);
+        if(ret != 0)
+            return 0;
 
-		tmp = (unsigned char *)MemInfo.VBuffer;
+        tmp = (unsigned char *)MemInfo.VBuffer;
 
-		pMemop->Set(CodecID, tmp, 0, size + alignment);
+        pMemop->Set(CodecID, tmp, 0, size + alignment);
 
-		mem_ptr =
-			(unsigned char *) ((intptr_t) (tmp + alignment - 1) &
-					(~((intptr_t) (alignment - 1))));
+        mem_ptr =
+            (unsigned char *) ((intptr_t) (tmp + alignment - 1) &
+                    (~((intptr_t) (alignment - 1))));
 
-		if (mem_ptr == tmp)
-			mem_ptr += alignment;
+        if (mem_ptr == tmp)
+            mem_ptr += alignment;
 
-		*(mem_ptr - 1) = (unsigned char) (mem_ptr - tmp);
+        *(mem_ptr - 1) = (unsigned char) (mem_ptr - tmp);
 
-		return ((void *)mem_ptr);
-	}
+        return ((void *)mem_ptr);
+    }
 
-	return(0);
+    return(0);
 }
 
 
@@ -96,16 +96,16 @@
 mem_free(VO_MEM_OPERATOR *pMemop, void *mem_ptr, unsigned int CodecID)
 {
 
-	unsigned char *ptr;
+    unsigned char *ptr;
 
-	if (mem_ptr == 0)
-		return;
+    if (mem_ptr == 0)
+        return;
 
-	ptr = mem_ptr;
+    ptr = mem_ptr;
 
-	ptr -= *(ptr - 1);
+    ptr -= *(ptr - 1);
 
-	pMemop->Free(CodecID, ptr);
+    pMemop->Free(CodecID, ptr);
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/oper_32b.c b/media/libstagefright/codecs/amrwbenc/src/oper_32b.c
index 27cad76..e6f80d0 100644
--- a/media/libstagefright/codecs/amrwbenc/src/oper_32b.c
+++ b/media/libstagefright/codecs/amrwbenc/src/oper_32b.c
@@ -56,9 +56,9 @@
 
 __inline void VO_L_Extract (Word32 L_32, Word16 *hi, Word16 *lo)
 {
-	*hi = (Word16)(L_32 >> 16);
-	*lo = (Word16)((L_32 & 0xffff) >> 1);
-	return;
+    *hi = (Word16)(L_32 >> 16);
+    *lo = (Word16)((L_32 & 0xffff) >> 1);
+    return;
 }
 
 /*****************************************************************************
@@ -84,11 +84,11 @@
 
 Word32 L_Comp (Word16 hi, Word16 lo)
 {
-	Word32 L_32;
+    Word32 L_32;
 
-	L_32 = L_deposit_h (hi);
+    L_32 = L_deposit_h (hi);
 
-	return (L_mac (L_32, lo, 1));       /* = hi<<16 + lo<<1 */
+    return (L_mac (L_32, lo, 1));       /* = hi<<16 + lo<<1 */
 }
 
 /*****************************************************************************
@@ -113,13 +113,13 @@
 
 __inline Word32  Mpy_32 (Word16 hi1, Word16 lo1, Word16 hi2, Word16 lo2)
 {
-	Word32 L_32;
-	L_32 = (hi1 * hi2);
-	L_32 += (hi1 * lo2) >> 15;
-	L_32 += (lo1 * hi2) >> 15;
-	L_32 <<= 1;
+    Word32 L_32;
+    L_32 = (hi1 * hi2);
+    L_32 += (hi1 * lo2) >> 15;
+    L_32 += (lo1 * hi2) >> 15;
+    L_32 <<= 1;
 
-	return (L_32);
+    return (L_32);
 }
 
 /*****************************************************************************
@@ -142,12 +142,12 @@
 
 __inline Word32 Mpy_32_16 (Word16 hi, Word16 lo, Word16 n)
 {
-	Word32 L_32;
+    Word32 L_32;
 
-	L_32 = (hi * n)<<1;
-	L_32 += (((lo * n)>>15)<<1);
+    L_32 = (hi * n)<<1;
+    L_32 += (((lo * n)>>15)<<1);
 
-	return (L_32);
+    return (L_32);
 }
 
 /*****************************************************************************
@@ -194,30 +194,30 @@
 
 Word32 Div_32 (Word32 L_num, Word16 denom_hi, Word16 denom_lo)
 {
-	Word16 approx, hi, lo, n_hi, n_lo;
-	Word32 L_32;
+    Word16 approx, hi, lo, n_hi, n_lo;
+    Word32 L_32;
 
-	/* First approximation: 1 / L_denom = 1/denom_hi */
+    /* First approximation: 1 / L_denom = 1/denom_hi */
 
-	approx = div_s ((Word16) 0x3fff, denom_hi);
+    approx = div_s ((Word16) 0x3fff, denom_hi);
 
-	/* 1/L_denom = approx * (2.0 - L_denom * approx) */
+    /* 1/L_denom = approx * (2.0 - L_denom * approx) */
 
-	L_32 = Mpy_32_16 (denom_hi, denom_lo, approx);
+    L_32 = Mpy_32_16 (denom_hi, denom_lo, approx);
 
-	L_32 = L_sub ((Word32) 0x7fffffffL, L_32);
-	hi = L_32 >> 16;
-	lo = (L_32 & 0xffff) >> 1;
+    L_32 = L_sub ((Word32) 0x7fffffffL, L_32);
+    hi = L_32 >> 16;
+    lo = (L_32 & 0xffff) >> 1;
 
-	L_32 = Mpy_32_16 (hi, lo, approx);
+    L_32 = Mpy_32_16 (hi, lo, approx);
 
-	/* L_num * (1/L_denom) */
-	hi = L_32 >> 16;
-	lo = (L_32 & 0xffff) >> 1;
-	VO_L_Extract (L_num, &n_hi, &n_lo);
-	L_32 = Mpy_32 (n_hi, n_lo, hi, lo);
-	L_32 = L_shl2(L_32, 2);
+    /* L_num * (1/L_denom) */
+    hi = L_32 >> 16;
+    lo = (L_32 & 0xffff) >> 1;
+    VO_L_Extract (L_num, &n_hi, &n_lo);
+    L_32 = Mpy_32 (n_hi, n_lo, hi, lo);
+    L_32 = L_shl2(L_32, 2);
 
-	return (L_32);
+    return (L_32);
 }
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/p_med_ol.c b/media/libstagefright/codecs/amrwbenc/src/p_med_ol.c
index b8174b9..525bf16 100644
--- a/media/libstagefright/codecs/amrwbenc/src/p_med_ol.c
+++ b/media/libstagefright/codecs/amrwbenc/src/p_med_ol.c
@@ -18,7 +18,7 @@
 *      File: p_med_ol.c                                                *
 *                                                                      *
 *      Description: Compute the open loop pitch lag                    *
-*	            output: open loop pitch lag                        *
+*               output: open loop pitch lag                        *
 ************************************************************************/
 
 #include "typedef.h"
@@ -29,131 +29,131 @@
 #include "p_med_ol.tab"
 
 Word16 Pitch_med_ol(
-		   Word16      wsp[],        /*   i: signal used to compute the open loop pitch*/
+           Word16      wsp[],        /*   i: signal used to compute the open loop pitch*/
                                      /*      wsp[-pit_max] to wsp[-1] should be known */
-		   Coder_State *st,          /* i/o: codec global structure */
-		   Word16      L_frame       /*   i: length of frame to compute pitch */
-		)
+           Coder_State *st,          /* i/o: codec global structure */
+           Word16      L_frame       /*   i: length of frame to compute pitch */
+        )
 {
-	Word16 Tm;
-	Word16 hi, lo;
-	Word16 *ww, *we, *hp_wsp;
-	Word16 exp_R0, exp_R1, exp_R2;
-	Word32 i, j, max, R0, R1, R2;
-	Word16 *p1, *p2;
-	Word16 L_min = 17;                   /* minimum pitch lag: PIT_MIN / OPL_DECIM */
-	Word16 L_max = 115;                  /* maximum pitch lag: PIT_MAX / OPL_DECIM */
-	Word16 L_0 = st->old_T0_med;         /* old open-loop pitch */
-	Word16 *gain = &(st->ol_gain);       /* normalize correlation of hp_wsp for the lag */
-	Word16 *hp_wsp_mem = st->hp_wsp_mem; /* memory of the hypass filter for hp_wsp[] (lg = 9)*/
-	Word16 *old_hp_wsp = st->old_hp_wsp; /* hypass wsp[] */
-	Word16 wght_flg = st->ol_wght_flg;   /* is weighting function used */
+    Word16 Tm;
+    Word16 hi, lo;
+    Word16 *ww, *we, *hp_wsp;
+    Word16 exp_R0, exp_R1, exp_R2;
+    Word32 i, j, max, R0, R1, R2;
+    Word16 *p1, *p2;
+    Word16 L_min = 17;                   /* minimum pitch lag: PIT_MIN / OPL_DECIM */
+    Word16 L_max = 115;                  /* maximum pitch lag: PIT_MAX / OPL_DECIM */
+    Word16 L_0 = st->old_T0_med;         /* old open-loop pitch */
+    Word16 *gain = &(st->ol_gain);       /* normalize correlation of hp_wsp for the lag */
+    Word16 *hp_wsp_mem = st->hp_wsp_mem; /* memory of the hypass filter for hp_wsp[] (lg = 9)*/
+    Word16 *old_hp_wsp = st->old_hp_wsp; /* hypass wsp[] */
+    Word16 wght_flg = st->ol_wght_flg;   /* is weighting function used */
 
-	ww = &corrweight[198];
-	we = &corrweight[98 + L_max - L_0];
+    ww = &corrweight[198];
+    we = &corrweight[98 + L_max - L_0];
 
-	max = MIN_32;
-	Tm = 0;
-	for (i = L_max; i > L_min; i--)
-	{
-		/* Compute the correlation */
-		R0 = 0;
-		p1 = wsp;
-		p2 = &wsp[-i];
-		for (j = 0; j < L_frame; j+=4)
-		{
-			R0 += vo_L_mult((*p1++), (*p2++));
-			R0 += vo_L_mult((*p1++), (*p2++));
-			R0 += vo_L_mult((*p1++), (*p2++));
-			R0 += vo_L_mult((*p1++), (*p2++));
-		}
-		/* Weighting of the correlation function.   */
-		hi = R0>>16;
-		lo = (R0 & 0xffff)>>1;
+    max = MIN_32;
+    Tm = 0;
+    for (i = L_max; i > L_min; i--)
+    {
+        /* Compute the correlation */
+        R0 = 0;
+        p1 = wsp;
+        p2 = &wsp[-i];
+        for (j = 0; j < L_frame; j+=4)
+        {
+            R0 += vo_L_mult((*p1++), (*p2++));
+            R0 += vo_L_mult((*p1++), (*p2++));
+            R0 += vo_L_mult((*p1++), (*p2++));
+            R0 += vo_L_mult((*p1++), (*p2++));
+        }
+        /* Weighting of the correlation function.   */
+        hi = R0>>16;
+        lo = (R0 & 0xffff)>>1;
 
-		R0 = Mpy_32_16(hi, lo, *ww);
-		ww--;
+        R0 = Mpy_32_16(hi, lo, *ww);
+        ww--;
 
-		if ((L_0 > 0) && (wght_flg > 0))
-		{
-			/* Weight the neighbourhood of the old lag. */
-			hi = R0>>16;
-			lo = (R0 & 0xffff)>>1;
-			R0 = Mpy_32_16(hi, lo, *we);
-			we--;
-		}
-		if(R0 >= max)
-		{
-			max = R0;
-			Tm = i;
-		}
-	}
+        if ((L_0 > 0) && (wght_flg > 0))
+        {
+            /* Weight the neighbourhood of the old lag. */
+            hi = R0>>16;
+            lo = (R0 & 0xffff)>>1;
+            R0 = Mpy_32_16(hi, lo, *we);
+            we--;
+        }
+        if(R0 >= max)
+        {
+            max = R0;
+            Tm = i;
+        }
+    }
 
-	/* Hypass the wsp[] vector */
-	hp_wsp = old_hp_wsp + L_max;
-	Hp_wsp(wsp, hp_wsp, L_frame, hp_wsp_mem);
+    /* Hypass the wsp[] vector */
+    hp_wsp = old_hp_wsp + L_max;
+    Hp_wsp(wsp, hp_wsp, L_frame, hp_wsp_mem);
 
-	/* Compute normalize correlation at delay Tm */
-	R0 = 0;
-	R1 = 0;
-	R2 = 0;
-	p1 = hp_wsp;
-	p2 = hp_wsp - Tm;
-	for (j = 0; j < L_frame; j+=4)
-	{
-		R2 += vo_mult32(*p1, *p1);
-		R1 += vo_mult32(*p2, *p2);
-		R0 += vo_mult32(*p1++, *p2++);
-		R2 += vo_mult32(*p1, *p1);
-		R1 += vo_mult32(*p2, *p2);
-		R0 += vo_mult32(*p1++, *p2++);
-		R2 += vo_mult32(*p1, *p1);
-		R1 += vo_mult32(*p2, *p2);
-		R0 += vo_mult32(*p1++, *p2++);
-		R2 += vo_mult32(*p1, *p1);
-		R1 += vo_mult32(*p2, *p2);
-		R0 += vo_mult32(*p1++, *p2++);
-	}
-	R0 = R0 <<1;
-	R1 = (R1 <<1) + 1L;
-	R2 = (R2 <<1) + 1L;
-	/* gain = R0/ sqrt(R1*R2) */
+    /* Compute normalize correlation at delay Tm */
+    R0 = 0;
+    R1 = 0;
+    R2 = 0;
+    p1 = hp_wsp;
+    p2 = hp_wsp - Tm;
+    for (j = 0; j < L_frame; j+=4)
+    {
+        R2 += vo_mult32(*p1, *p1);
+        R1 += vo_mult32(*p2, *p2);
+        R0 += vo_mult32(*p1++, *p2++);
+        R2 += vo_mult32(*p1, *p1);
+        R1 += vo_mult32(*p2, *p2);
+        R0 += vo_mult32(*p1++, *p2++);
+        R2 += vo_mult32(*p1, *p1);
+        R1 += vo_mult32(*p2, *p2);
+        R0 += vo_mult32(*p1++, *p2++);
+        R2 += vo_mult32(*p1, *p1);
+        R1 += vo_mult32(*p2, *p2);
+        R0 += vo_mult32(*p1++, *p2++);
+    }
+    R0 = R0 <<1;
+    R1 = (R1 <<1) + 1L;
+    R2 = (R2 <<1) + 1L;
+    /* gain = R0/ sqrt(R1*R2) */
 
-	exp_R0 = norm_l(R0);
-	R0 = (R0 << exp_R0);
+    exp_R0 = norm_l(R0);
+    R0 = (R0 << exp_R0);
 
-	exp_R1 = norm_l(R1);
-	R1 = (R1 << exp_R1);
+    exp_R1 = norm_l(R1);
+    R1 = (R1 << exp_R1);
 
-	exp_R2 = norm_l(R2);
-	R2 = (R2 << exp_R2);
+    exp_R2 = norm_l(R2);
+    R2 = (R2 << exp_R2);
 
 
-	R1 = vo_L_mult(vo_round(R1), vo_round(R2));
+    R1 = vo_L_mult(vo_round(R1), vo_round(R2));
 
-	i = norm_l(R1);
-	R1 = (R1 << i);
+    i = norm_l(R1);
+    R1 = (R1 << i);
 
-	exp_R1 += exp_R2;
-	exp_R1 += i;
-	exp_R1 = 62 - exp_R1;
+    exp_R1 += exp_R2;
+    exp_R1 += i;
+    exp_R1 = 62 - exp_R1;
 
-	Isqrt_n(&R1, &exp_R1);
+    Isqrt_n(&R1, &exp_R1);
 
-	R0 = vo_L_mult(voround(R0), voround(R1));
-	exp_R0 = 31 - exp_R0;
-	exp_R0 += exp_R1;
+    R0 = vo_L_mult(voround(R0), voround(R1));
+    exp_R0 = 31 - exp_R0;
+    exp_R0 += exp_R1;
 
-	*gain = vo_round(L_shl(R0, exp_R0));
+    *gain = vo_round(L_shl(R0, exp_R0));
 
-	/* Shitf hp_wsp[] for next frame */
+    /* Shitf hp_wsp[] for next frame */
 
-	for (i = 0; i < L_max; i++)
-	{
-		old_hp_wsp[i] = old_hp_wsp[i + L_frame];
-	}
+    for (i = 0; i < L_max; i++)
+    {
+        old_hp_wsp[i] = old_hp_wsp[i + L_frame];
+    }
 
-	return (Tm);
+    return (Tm);
 }
 
 /************************************************************************
@@ -171,84 +171,84 @@
 
 Word16 median5(Word16 x[])
 {
-	Word16 x1, x2, x3, x4, x5;
-	Word16 tmp;
+    Word16 x1, x2, x3, x4, x5;
+    Word16 tmp;
 
-	x1 = x[-2];
-	x2 = x[-1];
-	x3 = x[0];
-	x4 = x[1];
-	x5 = x[2];
+    x1 = x[-2];
+    x2 = x[-1];
+    x3 = x[0];
+    x4 = x[1];
+    x5 = x[2];
 
-	if (x2 < x1)
-	{
-		tmp = x1;
-		x1 = x2;
-		x2 = tmp;
-	}
-	if (x3 < x1)
-	{
-		tmp = x1;
-		x1 = x3;
-		x3 = tmp;
-	}
-	if (x4 < x1)
-	{
-		tmp = x1;
-		x1 = x4;
-		x4 = tmp;
-	}
-	if (x5 < x1)
-	{
-		x5 = x1;
-	}
-	if (x3 < x2)
-	{
-		tmp = x2;
-		x2 = x3;
-		x3 = tmp;
-	}
-	if (x4 < x2)
-	{
-		tmp = x2;
-		x2 = x4;
-		x4 = tmp;
-	}
-	if (x5 < x2)
-	{
-		x5 = x2;
-	}
-	if (x4 < x3)
-	{
-		x3 = x4;
-	}
-	if (x5 < x3)
-	{
-		x3 = x5;
-	}
-	return (x3);
+    if (x2 < x1)
+    {
+        tmp = x1;
+        x1 = x2;
+        x2 = tmp;
+    }
+    if (x3 < x1)
+    {
+        tmp = x1;
+        x1 = x3;
+        x3 = tmp;
+    }
+    if (x4 < x1)
+    {
+        tmp = x1;
+        x1 = x4;
+        x4 = tmp;
+    }
+    if (x5 < x1)
+    {
+        x5 = x1;
+    }
+    if (x3 < x2)
+    {
+        tmp = x2;
+        x2 = x3;
+        x3 = tmp;
+    }
+    if (x4 < x2)
+    {
+        tmp = x2;
+        x2 = x4;
+        x4 = tmp;
+    }
+    if (x5 < x2)
+    {
+        x5 = x2;
+    }
+    if (x4 < x3)
+    {
+        x3 = x4;
+    }
+    if (x5 < x3)
+    {
+        x3 = x5;
+    }
+    return (x3);
 }
 
 
 Word16 Med_olag(                           /* output : median of  5 previous open-loop lags       */
-		Word16 prev_ol_lag,                /* input  : previous open-loop lag                     */
-		Word16 old_ol_lag[5]
-	       )
+        Word16 prev_ol_lag,                /* input  : previous open-loop lag                     */
+        Word16 old_ol_lag[5]
+           )
 {
-	Word32 i;
+    Word32 i;
 
-	/* Use median of 5 previous open-loop lags as old lag */
+    /* Use median of 5 previous open-loop lags as old lag */
 
-	for (i = 4; i > 0; i--)
-	{
-		old_ol_lag[i] = old_ol_lag[i - 1];
-	}
+    for (i = 4; i > 0; i--)
+    {
+        old_ol_lag[i] = old_ol_lag[i - 1];
+    }
 
-	old_ol_lag[0] = prev_ol_lag;
+    old_ol_lag[0] = prev_ol_lag;
 
-	i = median5(&old_ol_lag[2]);
+    i = median5(&old_ol_lag[2]);
 
-	return i;
+    return i;
 
 }
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/pit_shrp.c b/media/libstagefright/codecs/amrwbenc/src/pit_shrp.c
index 6f55b8f..f100253 100644
--- a/media/libstagefright/codecs/amrwbenc/src/pit_shrp.c
+++ b/media/libstagefright/codecs/amrwbenc/src/pit_shrp.c
@@ -25,24 +25,24 @@
 #include "basic_op.h"
 
 void Pit_shrp(
-		Word16 * x,                           /* in/out: impulse response (or algebraic code) */
-		Word16 pit_lag,                       /* input : pitch lag                            */
-		Word16 sharp,                         /* input : pitch sharpening factor (Q15)        */
-		Word16 L_subfr                        /* input : subframe size                        */
-	     )
+        Word16 * x,                           /* in/out: impulse response (or algebraic code) */
+        Word16 pit_lag,                       /* input : pitch lag                            */
+        Word16 sharp,                         /* input : pitch sharpening factor (Q15)        */
+        Word16 L_subfr                        /* input : subframe size                        */
+         )
 {
-	Word32 i;
-	Word32 L_tmp;
-	Word16 *x_ptr = x + pit_lag;
+    Word32 i;
+    Word32 L_tmp;
+    Word16 *x_ptr = x + pit_lag;
 
-	for (i = pit_lag; i < L_subfr; i++)
-	{
-		L_tmp = (*x_ptr << 15);
-		L_tmp += *x++ * sharp;
-		*x_ptr++ = ((L_tmp + 0x4000)>>15);
-	}
+    for (i = pit_lag; i < L_subfr; i++)
+    {
+        L_tmp = (*x_ptr << 15);
+        L_tmp += *x++ * sharp;
+        *x_ptr++ = ((L_tmp + 0x4000)>>15);
+    }
 
-	return;
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/pitch_f4.c b/media/libstagefright/codecs/amrwbenc/src/pitch_f4.c
index b66b55e..de2a221 100644
--- a/media/libstagefright/codecs/amrwbenc/src/pitch_f4.c
+++ b/media/libstagefright/codecs/amrwbenc/src/pitch_f4.c
@@ -18,7 +18,7 @@
 *      File: pitch_f4.c                                                *
 *                                                                      *
 *      Description: Find the closed loop pitch period with             *
-*	            1/4 subsample resolution.                          *
+*               1/4 subsample resolution.                          *
 *                                                                      *
 ************************************************************************/
 
@@ -37,117 +37,117 @@
 
 #ifdef ASM_OPT
 void Norm_corr_asm(
-		Word16 exc[],                         /* (i)     : excitation buffer                     */
-		Word16 xn[],                          /* (i)     : target vector                         */
-		Word16 h[],                           /* (i) Q15 : impulse response of synth/wgt filters */
-		Word16 L_subfr,
-		Word16 t_min,                         /* (i)     : minimum value of pitch lag.           */
-		Word16 t_max,                         /* (i)     : maximum value of pitch lag.           */
-		Word16 corr_norm[]                    /* (o) Q15 : normalized correlation                */
-		);
+        Word16 exc[],                         /* (i)     : excitation buffer                     */
+        Word16 xn[],                          /* (i)     : target vector                         */
+        Word16 h[],                           /* (i) Q15 : impulse response of synth/wgt filters */
+        Word16 L_subfr,
+        Word16 t_min,                         /* (i)     : minimum value of pitch lag.           */
+        Word16 t_max,                         /* (i)     : maximum value of pitch lag.           */
+        Word16 corr_norm[]                    /* (o) Q15 : normalized correlation                */
+        );
 #else
 static void Norm_Corr(
-		Word16 exc[],                         /* (i)     : excitation buffer                     */
-		Word16 xn[],                          /* (i)     : target vector                         */
-		Word16 h[],                           /* (i) Q15 : impulse response of synth/wgt filters */
-		Word16 L_subfr,
-		Word16 t_min,                         /* (i)     : minimum value of pitch lag.           */
-		Word16 t_max,                         /* (i)     : maximum value of pitch lag.           */
-		Word16 corr_norm[]                    /* (o) Q15 : normalized correlation                */
-		);
+        Word16 exc[],                         /* (i)     : excitation buffer                     */
+        Word16 xn[],                          /* (i)     : target vector                         */
+        Word16 h[],                           /* (i) Q15 : impulse response of synth/wgt filters */
+        Word16 L_subfr,
+        Word16 t_min,                         /* (i)     : minimum value of pitch lag.           */
+        Word16 t_max,                         /* (i)     : maximum value of pitch lag.           */
+        Word16 corr_norm[]                    /* (o) Q15 : normalized correlation                */
+        );
 #endif
 
 static Word16 Interpol_4(                  /* (o)  : interpolated value  */
-		Word16 * x,                           /* (i)  : input vector        */
-		Word32 frac                           /* (i)  : fraction (-4..+3)   */
-		);
+        Word16 * x,                           /* (i)  : input vector        */
+        Word32 frac                           /* (i)  : fraction (-4..+3)   */
+        );
 
 
 Word16 Pitch_fr4(                          /* (o)     : pitch period.                         */
-		Word16 exc[],                         /* (i)     : excitation buffer                     */
-		Word16 xn[],                          /* (i)     : target vector                         */
-		Word16 h[],                           /* (i) Q15 : impulse response of synth/wgt filters */
-		Word16 t0_min,                        /* (i)     : minimum value in the searched range.  */
-		Word16 t0_max,                        /* (i)     : maximum value in the searched range.  */
-		Word16 * pit_frac,                    /* (o)     : chosen fraction (0, 1, 2 or 3).       */
-		Word16 i_subfr,                       /* (i)     : indicator for first subframe.         */
-		Word16 t0_fr2,                        /* (i)     : minimum value for resolution 1/2      */
-		Word16 t0_fr1,                        /* (i)     : minimum value for resolution 1        */
-		Word16 L_subfr                        /* (i)     : Length of subframe                    */
-		)
+        Word16 exc[],                         /* (i)     : excitation buffer                     */
+        Word16 xn[],                          /* (i)     : target vector                         */
+        Word16 h[],                           /* (i) Q15 : impulse response of synth/wgt filters */
+        Word16 t0_min,                        /* (i)     : minimum value in the searched range.  */
+        Word16 t0_max,                        /* (i)     : maximum value in the searched range.  */
+        Word16 * pit_frac,                    /* (o)     : chosen fraction (0, 1, 2 or 3).       */
+        Word16 i_subfr,                       /* (i)     : indicator for first subframe.         */
+        Word16 t0_fr2,                        /* (i)     : minimum value for resolution 1/2      */
+        Word16 t0_fr1,                        /* (i)     : minimum value for resolution 1        */
+        Word16 L_subfr                        /* (i)     : Length of subframe                    */
+        )
 {
-	Word32 fraction, i;
-	Word16 t_min, t_max;
-	Word16 max, t0, step, temp;
-	Word16 *corr;
-	Word16 corr_v[40];                     /* Total length = t0_max-t0_min+1+2*L_inter */
+    Word32 fraction, i;
+    Word16 t_min, t_max;
+    Word16 max, t0, step, temp;
+    Word16 *corr;
+    Word16 corr_v[40];                     /* Total length = t0_max-t0_min+1+2*L_inter */
 
-	/* Find interval to compute normalized correlation */
+    /* Find interval to compute normalized correlation */
 
-	t_min = t0_min - L_INTERPOL1;
-	t_max = t0_max + L_INTERPOL1;
-	corr = &corr_v[-t_min];
-	/* Compute normalized correlation between target and filtered excitation */
+    t_min = t0_min - L_INTERPOL1;
+    t_max = t0_max + L_INTERPOL1;
+    corr = &corr_v[-t_min];
+    /* Compute normalized correlation between target and filtered excitation */
 #ifdef ASM_OPT               /* asm optimization branch */
     Norm_corr_asm(exc, xn, h, L_subfr, t_min, t_max, corr);
 #else
-	Norm_Corr(exc, xn, h, L_subfr, t_min, t_max, corr);
+    Norm_Corr(exc, xn, h, L_subfr, t_min, t_max, corr);
 #endif
 
-	/* Find integer pitch */
+    /* Find integer pitch */
 
-	max = corr[t0_min];
-	t0 = t0_min;
-	for (i = t0_min + 1; i <= t0_max; i++)
-	{
-		if (corr[i] >= max)
-		{
-			max = corr[i];
-			t0 = i;
-		}
-	}
-	/* If first subframe and t0 >= t0_fr1, do not search fractionnal pitch */
-	if ((i_subfr == 0) && (t0 >= t0_fr1))
-	{
-		*pit_frac = 0;
-		return (t0);
-	}
-	/*------------------------------------------------------------------*
-	 * Search fractionnal pitch with 1/4 subsample resolution.          *
-	 * Test the fractions around t0 and choose the one which maximizes  *
-	 * the interpolated normalized correlation.                         *
-	 *------------------------------------------------------------------*/
+    max = corr[t0_min];
+    t0 = t0_min;
+    for (i = t0_min + 1; i <= t0_max; i++)
+    {
+        if (corr[i] >= max)
+        {
+            max = corr[i];
+            t0 = i;
+        }
+    }
+    /* If first subframe and t0 >= t0_fr1, do not search fractionnal pitch */
+    if ((i_subfr == 0) && (t0 >= t0_fr1))
+    {
+        *pit_frac = 0;
+        return (t0);
+    }
+    /*------------------------------------------------------------------*
+     * Search fractionnal pitch with 1/4 subsample resolution.          *
+     * Test the fractions around t0 and choose the one which maximizes  *
+     * the interpolated normalized correlation.                         *
+     *------------------------------------------------------------------*/
 
-	step = 1;               /* 1/4 subsample resolution */
-	fraction = -3;
-	if ((t0_fr2 == PIT_MIN)||((i_subfr == 0) && (t0 >= t0_fr2)))
-	{
-		step = 2;              /* 1/2 subsample resolution */
-		fraction = -2;
-	}
-	if(t0 == t0_min)
-	{
-		fraction = 0;
-	}
-	max = Interpol_4(&corr[t0], fraction);
+    step = 1;               /* 1/4 subsample resolution */
+    fraction = -3;
+    if ((t0_fr2 == PIT_MIN)||((i_subfr == 0) && (t0 >= t0_fr2)))
+    {
+        step = 2;              /* 1/2 subsample resolution */
+        fraction = -2;
+    }
+    if(t0 == t0_min)
+    {
+        fraction = 0;
+    }
+    max = Interpol_4(&corr[t0], fraction);
 
-	for (i = fraction + step; i <= 3; i += step)
-	{
-		temp = Interpol_4(&corr[t0], i);
-		if(temp > max)
-		{
-			max = temp;
-			fraction = i;
-		}
-	}
-	/* limit the fraction value in the interval [0,1,2,3] */
-	if (fraction < 0)
-	{
-		fraction += UP_SAMP;
-		t0 -= 1;
-	}
-	*pit_frac = fraction;
-	return (t0);
+    for (i = fraction + step; i <= 3; i += step)
+    {
+        temp = Interpol_4(&corr[t0], i);
+        if(temp > max)
+        {
+            max = temp;
+            fraction = i;
+        }
+    }
+    /* limit the fraction value in the interval [0,1,2,3] */
+    if (fraction < 0)
+    {
+        fraction += UP_SAMP;
+        t0 -= 1;
+    }
+    *pit_frac = fraction;
+    return (t0);
 }
 
 
@@ -161,109 +161,109 @@
 ************************************************************************************/
 #ifndef ASM_OPT
 static void Norm_Corr(
-		Word16 exc[],                         /* (i)     : excitation buffer                     */
-		Word16 xn[],                          /* (i)     : target vector                         */
-		Word16 h[],                           /* (i) Q15 : impulse response of synth/wgt filters */
-		Word16 L_subfr,
-		Word16 t_min,                         /* (i)     : minimum value of pitch lag.           */
-		Word16 t_max,                         /* (i)     : maximum value of pitch lag.           */
-		Word16 corr_norm[])                   /* (o) Q15 : normalized correlation                */
+        Word16 exc[],                         /* (i)     : excitation buffer                     */
+        Word16 xn[],                          /* (i)     : target vector                         */
+        Word16 h[],                           /* (i) Q15 : impulse response of synth/wgt filters */
+        Word16 L_subfr,
+        Word16 t_min,                         /* (i)     : minimum value of pitch lag.           */
+        Word16 t_max,                         /* (i)     : maximum value of pitch lag.           */
+        Word16 corr_norm[])                   /* (o) Q15 : normalized correlation                */
 {
-	Word32 i, k, t;
-	Word32 corr, exp_corr, norm, exp, scale;
-	Word16 exp_norm, excf[L_SUBFR], tmp;
-	Word32 L_tmp, L_tmp1, L_tmp2;
+    Word32 i, k, t;
+    Word32 corr, exp_corr, norm, exp, scale;
+    Word16 exp_norm, excf[L_SUBFR], tmp;
+    Word32 L_tmp, L_tmp1, L_tmp2;
         UNUSED(L_subfr);
 
-	/* compute the filtered excitation for the first delay t_min */
-	k = -t_min;
+    /* compute the filtered excitation for the first delay t_min */
+    k = -t_min;
 
 #ifdef ASM_OPT              /* asm optimization branch */
-	Convolve_asm(&exc[k], h, excf, 64);
+    Convolve_asm(&exc[k], h, excf, 64);
 #else
-	Convolve(&exc[k], h, excf, 64);
+    Convolve(&exc[k], h, excf, 64);
 #endif
 
-	/* Compute rounded down 1/sqrt(energy of xn[]) */
-	L_tmp = 0;
-	for (i = 0; i < 64; i+=4)
-	{
-		L_tmp += (xn[i] * xn[i]);
-		L_tmp += (xn[i+1] * xn[i+1]);
-		L_tmp += (xn[i+2] * xn[i+2]);
-		L_tmp += (xn[i+3] * xn[i+3]);
-	}
+    /* Compute rounded down 1/sqrt(energy of xn[]) */
+    L_tmp = 0;
+    for (i = 0; i < 64; i+=4)
+    {
+        L_tmp += (xn[i] * xn[i]);
+        L_tmp += (xn[i+1] * xn[i+1]);
+        L_tmp += (xn[i+2] * xn[i+2]);
+        L_tmp += (xn[i+3] * xn[i+3]);
+    }
 
-	L_tmp = (L_tmp << 1) + 1;
-	exp = norm_l(L_tmp);
-	exp = (32 - exp);
-	//exp = exp + 2;                     /* energy of xn[] x 2 + rounded up     */
-	scale = -(exp >> 1);           /* (1<<scale) < 1/sqrt(energy rounded) */
+    L_tmp = (L_tmp << 1) + 1;
+    exp = norm_l(L_tmp);
+    exp = (32 - exp);
+    //exp = exp + 2;                     /* energy of xn[] x 2 + rounded up     */
+    scale = -(exp >> 1);           /* (1<<scale) < 1/sqrt(energy rounded) */
 
-	/* loop for every possible period */
+    /* loop for every possible period */
 
-	for (t = t_min; t <= t_max; t++)
-	{
-		/* Compute correlation between xn[] and excf[] */
-		L_tmp  = 0;
-		L_tmp1 = 0;
-		for (i = 0; i < 64; i+=4)
-		{
-			L_tmp  += (xn[i] * excf[i]);
-			L_tmp1 += (excf[i] * excf[i]);
-			L_tmp  += (xn[i+1] * excf[i+1]);
-			L_tmp1 += (excf[i+1] * excf[i+1]);
-			L_tmp  += (xn[i+2] * excf[i+2]);
-			L_tmp1 += (excf[i+2] * excf[i+2]);
-			L_tmp  += (xn[i+3] * excf[i+3]);
-			L_tmp1 += (excf[i+3] * excf[i+3]);
-		}
+    for (t = t_min; t <= t_max; t++)
+    {
+        /* Compute correlation between xn[] and excf[] */
+        L_tmp  = 0;
+        L_tmp1 = 0;
+        for (i = 0; i < 64; i+=4)
+        {
+            L_tmp  += (xn[i] * excf[i]);
+            L_tmp1 += (excf[i] * excf[i]);
+            L_tmp  += (xn[i+1] * excf[i+1]);
+            L_tmp1 += (excf[i+1] * excf[i+1]);
+            L_tmp  += (xn[i+2] * excf[i+2]);
+            L_tmp1 += (excf[i+2] * excf[i+2]);
+            L_tmp  += (xn[i+3] * excf[i+3]);
+            L_tmp1 += (excf[i+3] * excf[i+3]);
+        }
 
-		L_tmp = (L_tmp << 1) + 1;
-		L_tmp1 = (L_tmp1 << 1) + 1;
+        L_tmp = (L_tmp << 1) + 1;
+        L_tmp1 = (L_tmp1 << 1) + 1;
 
-		exp = norm_l(L_tmp);
-		L_tmp = (L_tmp << exp);
-		exp_corr = (30 - exp);
-		corr = extract_h(L_tmp);
+        exp = norm_l(L_tmp);
+        L_tmp = (L_tmp << exp);
+        exp_corr = (30 - exp);
+        corr = extract_h(L_tmp);
 
-		exp = norm_l(L_tmp1);
-		L_tmp = (L_tmp1 << exp);
-		exp_norm = (30 - exp);
+        exp = norm_l(L_tmp1);
+        L_tmp = (L_tmp1 << exp);
+        exp_norm = (30 - exp);
 
-		Isqrt_n(&L_tmp, &exp_norm);
-		norm = extract_h(L_tmp);
+        Isqrt_n(&L_tmp, &exp_norm);
+        norm = extract_h(L_tmp);
 
-		/* Normalize correlation = correlation * (1/sqrt(energy)) */
+        /* Normalize correlation = correlation * (1/sqrt(energy)) */
 
-		L_tmp = vo_L_mult(corr, norm);
+        L_tmp = vo_L_mult(corr, norm);
 
-		L_tmp2 = exp_corr + exp_norm + scale;
-		if(L_tmp2 < 0)
-		{
-			L_tmp2 = -L_tmp2;
-			L_tmp = L_tmp >> L_tmp2;
-		}
-		else
-		{
-			L_tmp = L_tmp << L_tmp2;
-		}
+        L_tmp2 = exp_corr + exp_norm + scale;
+        if(L_tmp2 < 0)
+        {
+            L_tmp2 = -L_tmp2;
+            L_tmp = L_tmp >> L_tmp2;
+        }
+        else
+        {
+            L_tmp = L_tmp << L_tmp2;
+        }
 
-		corr_norm[t] = vo_round(L_tmp);
-		/* modify the filtered excitation excf[] for the next iteration */
+        corr_norm[t] = vo_round(L_tmp);
+        /* modify the filtered excitation excf[] for the next iteration */
 
-		if(t != t_max)
-		{
-			k = -(t + 1);
-			tmp = exc[k];
-			for (i = 63; i > 0; i--)
-			{
-				excf[i] = add1(vo_mult(tmp, h[i]), excf[i - 1]);
-			}
-			excf[0] = vo_mult(tmp, h[0]);
-		}
-	}
-	return;
+        if(t != t_max)
+        {
+            k = -(t + 1);
+            tmp = exc[k];
+            for (i = 63; i > 0; i--)
+            {
+                excf[i] = add1(vo_mult(tmp, h[i]), excf[i - 1]);
+            }
+            excf[0] = vo_mult(tmp, h[0]);
+        }
+    }
+    return;
 }
 
 #endif
@@ -276,10 +276,10 @@
 /* 1/4 resolution interpolation filter (-3 dB at 0.791*fs/2) in Q14 */
 static Word16 inter4_1[4][8] =
 {
-	{-12, 420, -1732, 5429, 13418, -1242, 73, 32},
-	{-26, 455, -2142, 9910, 9910,  -2142, 455, -26},
-	{32,  73, -1242, 13418, 5429, -1732, 420, -12},
-	{206, -766, 1376, 14746, 1376, -766, 206, 0}
+    {-12, 420, -1732, 5429, 13418, -1242, 73, 32},
+    {-26, 455, -2142, 9910, 9910,  -2142, 455, -26},
+    {32,  73, -1242, 13418, 5429, -1732, 420, -12},
+    {206, -766, 1376, 14746, 1376, -766, 206, 0}
 };
 
 /*** Coefficients in floating point
@@ -292,34 +292,34 @@
 ***/
 
 static Word16 Interpol_4(                  /* (o)  : interpolated value  */
-		Word16 * x,                           /* (i)  : input vector        */
-		Word32 frac                           /* (i)  : fraction (-4..+3)   */
-		)
+        Word16 * x,                           /* (i)  : input vector        */
+        Word32 frac                           /* (i)  : fraction (-4..+3)   */
+        )
 {
-	Word16 sum;
-	Word32  k, L_sum;
-	Word16 *ptr;
+    Word16 sum;
+    Word32  k, L_sum;
+    Word16 *ptr;
 
-	if (frac < 0)
-	{
-		frac += UP_SAMP;
-		x--;
-	}
-	x = x - L_INTERPOL1 + 1;
-	k = UP_SAMP - 1 - frac;
-	ptr = &(inter4_1[k][0]);
+    if (frac < 0)
+    {
+        frac += UP_SAMP;
+        x--;
+    }
+    x = x - L_INTERPOL1 + 1;
+    k = UP_SAMP - 1 - frac;
+    ptr = &(inter4_1[k][0]);
 
-	L_sum  = vo_mult32(x[0], (*ptr++));
-	L_sum += vo_mult32(x[1], (*ptr++));
-	L_sum += vo_mult32(x[2], (*ptr++));
-	L_sum += vo_mult32(x[3], (*ptr++));
-	L_sum += vo_mult32(x[4], (*ptr++));
-	L_sum += vo_mult32(x[5], (*ptr++));
-	L_sum += vo_mult32(x[6], (*ptr++));
-	L_sum += vo_mult32(x[7], (*ptr++));
+    L_sum  = vo_mult32(x[0], (*ptr++));
+    L_sum += vo_mult32(x[1], (*ptr++));
+    L_sum += vo_mult32(x[2], (*ptr++));
+    L_sum += vo_mult32(x[3], (*ptr++));
+    L_sum += vo_mult32(x[4], (*ptr++));
+    L_sum += vo_mult32(x[5], (*ptr++));
+    L_sum += vo_mult32(x[6], (*ptr++));
+    L_sum += vo_mult32(x[7], (*ptr++));
 
-	sum = extract_h(L_add(L_shl2(L_sum, 2), 0x8000));
-	return (sum);
+    sum = extract_h(L_add(L_shl2(L_sum, 2), 0x8000));
+    return (sum);
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/pred_lt4.c b/media/libstagefright/codecs/amrwbenc/src/pred_lt4.c
index 8404cf9..386cab3 100644
--- a/media/libstagefright/codecs/amrwbenc/src/pred_lt4.c
+++ b/media/libstagefright/codecs/amrwbenc/src/pred_lt4.c
@@ -34,86 +34,86 @@
 
 Word16 inter4_2[4][32] =
 {
-	{0,-2,4,-2,-10,38,-88,165,-275,424,-619,871,-1207,1699,-2598,5531,14031,-2147,780,-249,
-	-16,153,-213,226,-209,175,-133,91,-55,28,-10,2},
+    {0,-2,4,-2,-10,38,-88,165,-275,424,-619,871,-1207,1699,-2598,5531,14031,-2147,780,-249,
+    -16,153,-213,226,-209,175,-133,91,-55,28,-10,2},
 
-	{1,-7,19,-33,47,-52,43,-9,-60,175,-355,626,-1044,1749,-3267,10359,10359,-3267,1749,-1044,
-	626,-355,175,-60,-9,43,-52,47,-33,19, -7, 1},
+    {1,-7,19,-33,47,-52,43,-9,-60,175,-355,626,-1044,1749,-3267,10359,10359,-3267,1749,-1044,
+    626,-355,175,-60,-9,43,-52,47,-33,19, -7, 1},
 
-	{2,-10,28,-55,91,-133,175,-209,226,-213,153,-16,-249,780,-2147,14031,5531,-2598,1699,-1207,
-	871,-619,424,-275,165,-88,38,-10,-2,4,-2,0},
+    {2,-10,28,-55,91,-133,175,-209,226,-213,153,-16,-249,780,-2147,14031,5531,-2598,1699,-1207,
+    871,-619,424,-275,165,-88,38,-10,-2,4,-2,0},
 
-	{1,-7,22,-49,92,-153,231,-325,431,-544,656,-762,853,-923,968,15401,968,-923,853,-762,
-	656,-544,431,-325,231,-153,92,-49,22,-7, 1, 0}
+    {1,-7,22,-49,92,-153,231,-325,431,-544,656,-762,853,-923,968,15401,968,-923,853,-762,
+    656,-544,431,-325,231,-153,92,-49,22,-7, 1, 0}
 
 };
 
 void Pred_lt4(
-		Word16 exc[],                         /* in/out: excitation buffer */
-		Word16 T0,                            /* input : integer pitch lag */
-		Word16 frac,                          /* input : fraction of lag   */
-		Word16 L_subfr                        /* input : subframe size     */
-	     )
+        Word16 exc[],                         /* in/out: excitation buffer */
+        Word16 T0,                            /* input : integer pitch lag */
+        Word16 frac,                          /* input : fraction of lag   */
+        Word16 L_subfr                        /* input : subframe size     */
+         )
 {
-	Word16 j, k, *x;
-	Word32 L_sum;
-	Word16 *ptr, *ptr1;
-	Word16 *ptr2;
+    Word16 j, k, *x;
+    Word32 L_sum;
+    Word16 *ptr, *ptr1;
+    Word16 *ptr2;
 
-	x = exc - T0;
-	frac = -frac;
-	if (frac < 0)
-	{
-		frac += UP_SAMP;
-		x--;
-	}
-	x -= 15;                                     /* x = L_INTERPOL2 - 1 */
-	k = 3 - frac;                                /* k = UP_SAMP - 1 - frac */
+    x = exc - T0;
+    frac = -frac;
+    if (frac < 0)
+    {
+        frac += UP_SAMP;
+        x--;
+    }
+    x -= 15;                                     /* x = L_INTERPOL2 - 1 */
+    k = 3 - frac;                                /* k = UP_SAMP - 1 - frac */
 
-	ptr2 = &(inter4_2[k][0]);
-	for (j = 0; j < L_subfr; j++)
-	{
-		ptr = ptr2;
-		ptr1 = x;
-		L_sum  = vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
-		L_sum += vo_mult32((*ptr1++), (*ptr++));
+    ptr2 = &(inter4_2[k][0]);
+    for (j = 0; j < L_subfr; j++)
+    {
+        ptr = ptr2;
+        ptr1 = x;
+        L_sum  = vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
+        L_sum += vo_mult32((*ptr1++), (*ptr++));
 
-		L_sum = L_shl2(L_sum, 2);
-		exc[j] = extract_h(L_add(L_sum, 0x8000));
-		x++;
-	}
+        L_sum = L_shl2(L_sum, 2);
+        exc[j] = extract_h(L_add(L_sum, 0x8000));
+        x++;
+    }
 
-	return;
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/preemph.c b/media/libstagefright/codecs/amrwbenc/src/preemph.c
index 6451f20..99a1844 100644
--- a/media/libstagefright/codecs/amrwbenc/src/preemph.c
+++ b/media/libstagefright/codecs/amrwbenc/src/preemph.c
@@ -18,7 +18,7 @@
 *      File: preemph.c                                                *
 *                                                                     *
 *      Description: Preemphasis: filtering through 1 - g z^-1         *
-*	           Preemph2 --> signal is multiplied by 2             *
+*              Preemph2 --> signal is multiplied by 2             *
 *                                                                     *
 ************************************************************************/
 
@@ -26,71 +26,71 @@
 #include "basic_op.h"
 
 void Preemph(
-		Word16 x[],                           /* (i/o)   : input signal overwritten by the output */
-		Word16 mu,                            /* (i) Q15 : preemphasis coefficient                */
-		Word16 lg,                            /* (i)     : lenght of filtering                    */
-		Word16 * mem                          /* (i/o)   : memory (x[-1])                         */
-	    )
+        Word16 x[],                           /* (i/o)   : input signal overwritten by the output */
+        Word16 mu,                            /* (i) Q15 : preemphasis coefficient                */
+        Word16 lg,                            /* (i)     : lenght of filtering                    */
+        Word16 * mem                          /* (i/o)   : memory (x[-1])                         */
+        )
 {
-	Word16 temp;
-	Word32 i, L_tmp;
+    Word16 temp;
+    Word32 i, L_tmp;
 
-	temp = x[lg - 1];
+    temp = x[lg - 1];
 
-	for (i = lg - 1; i > 0; i--)
-	{
-		L_tmp = L_deposit_h(x[i]);
-		L_tmp -= (x[i - 1] * mu)<<1;
-		x[i] = (L_tmp + 0x8000)>>16;
-	}
+    for (i = lg - 1; i > 0; i--)
+    {
+        L_tmp = L_deposit_h(x[i]);
+        L_tmp -= (x[i - 1] * mu)<<1;
+        x[i] = (L_tmp + 0x8000)>>16;
+    }
 
-	L_tmp = L_deposit_h(x[0]);
-	L_tmp -= ((*mem) * mu)<<1;
-	x[0] = (L_tmp + 0x8000)>>16;
+    L_tmp = L_deposit_h(x[0]);
+    L_tmp -= ((*mem) * mu)<<1;
+    x[0] = (L_tmp + 0x8000)>>16;
 
-	*mem = temp;
+    *mem = temp;
 
-	return;
+    return;
 }
 
 
 void Preemph2(
-		Word16 x[],                           /* (i/o)   : input signal overwritten by the output */
-		Word16 mu,                            /* (i) Q15 : preemphasis coefficient                */
-		Word16 lg,                            /* (i)     : lenght of filtering                    */
-		Word16 * mem                          /* (i/o)   : memory (x[-1])                         */
-	     )
+        Word16 x[],                           /* (i/o)   : input signal overwritten by the output */
+        Word16 mu,                            /* (i) Q15 : preemphasis coefficient                */
+        Word16 lg,                            /* (i)     : lenght of filtering                    */
+        Word16 * mem                          /* (i/o)   : memory (x[-1])                         */
+         )
 {
-	Word16 temp;
-	Word32 i, L_tmp;
+    Word16 temp;
+    Word32 i, L_tmp;
 
-	temp = x[lg - 1];
+    temp = x[lg - 1];
 
     for (i = (Word16) (lg - 1); i > 0; i--)
-	{
-		L_tmp = L_deposit_h(x[i]);
-		L_tmp -= (x[i - 1] * mu)<<1; // only called with mu == 22282, so this won't overflow
-		if (L_tmp > INT32_MAX / 2) {
-			L_tmp = INT32_MAX / 2;
-		}
-		L_tmp = (L_tmp << 1);
-		x[i] = (L_tmp + 0x8000)>>16;
-	}
+    {
+        L_tmp = L_deposit_h(x[i]);
+        L_tmp -= (x[i - 1] * mu)<<1; // only called with mu == 22282, so this won't overflow
+        if (L_tmp > INT32_MAX / 2) {
+            L_tmp = INT32_MAX / 2;
+        }
+        L_tmp = (L_tmp << 1);
+        x[i] = (L_tmp + 0x8000)>>16;
+    }
 
-	L_tmp = L_deposit_h(x[0]);
-	L_tmp -= ((*mem) * mu)<<1;
-	if (L_tmp > INT32_MAX / 2) {
-		L_tmp = INT32_MAX / 2;
-	}
-	L_tmp = (L_tmp << 1);
-	if (L_tmp > INT32_MAX - 0x8000) {
-		L_tmp = INT32_MAX - 0x8000;
-	}
-	x[0] = (L_tmp + 0x8000)>>16;
+    L_tmp = L_deposit_h(x[0]);
+    L_tmp -= ((*mem) * mu)<<1;
+    if (L_tmp > INT32_MAX / 2) {
+        L_tmp = INT32_MAX / 2;
+    }
+    L_tmp = (L_tmp << 1);
+    if (L_tmp > INT32_MAX - 0x8000) {
+        L_tmp = INT32_MAX - 0x8000;
+    }
+    x[0] = (L_tmp + 0x8000)>>16;
 
-	*mem = temp;
+    *mem = temp;
 
-	return;
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/q_gain2.c b/media/libstagefright/codecs/amrwbenc/src/q_gain2.c
index e8ca043..bb797d8 100644
--- a/media/libstagefright/codecs/amrwbenc/src/q_gain2.c
+++ b/media/libstagefright/codecs/amrwbenc/src/q_gain2.c
@@ -45,300 +45,300 @@
 
 
 void Init_Q_gain2(
-		Word16 * mem                          /* output  :static memory (2 words)      */
-		)
+        Word16 * mem                          /* output  :static memory (2 words)      */
+        )
 {
-	Word32 i;
+    Word32 i;
 
-	/* 4nd order quantizer energy predictor (init to -14.0 in Q10) */
-	for (i = 0; i < PRED_ORDER; i++)
-	{
-		mem[i] = -14336;                     /* past_qua_en[i] */
-	}
+    /* 4nd order quantizer energy predictor (init to -14.0 in Q10) */
+    for (i = 0; i < PRED_ORDER; i++)
+    {
+        mem[i] = -14336;                     /* past_qua_en[i] */
+    }
 
-	return;
+    return;
 }
 
 Word16 Q_gain2(                            /* Return index of quantization.          */
-		Word16 xn[],                          /* (i) Q_xn: Target vector.               */
-		Word16 y1[],                          /* (i) Q_xn: Adaptive codebook.           */
-		Word16 Q_xn,                          /* (i)     : xn and y1 format             */
-		Word16 y2[],                          /* (i) Q9  : Filtered innovative vector.  */
-		Word16 code[],                        /* (i) Q9  : Innovative vector.           */
-		Word16 g_coeff[],                     /* (i)     : Correlations <xn y1> <y1 y1> */
-		/*           Compute in G_pitch().        */
-		Word16 L_subfr,                       /* (i)     : Subframe lenght.             */
-		Word16 nbits,                         /* (i)     : number of bits (6 or 7)      */
-		Word16 * gain_pit,                    /* (i/o)Q14: Pitch gain.                  */
-		Word32 * gain_cod,                    /* (o) Q16 : Code gain.                   */
-		Word16 gp_clip,                       /* (i)     : Gp Clipping flag             */
-		Word16 * mem                          /* (i/o)   : static memory (2 words)      */
-	      )
+        Word16 xn[],                          /* (i) Q_xn: Target vector.               */
+        Word16 y1[],                          /* (i) Q_xn: Adaptive codebook.           */
+        Word16 Q_xn,                          /* (i)     : xn and y1 format             */
+        Word16 y2[],                          /* (i) Q9  : Filtered innovative vector.  */
+        Word16 code[],                        /* (i) Q9  : Innovative vector.           */
+        Word16 g_coeff[],                     /* (i)     : Correlations <xn y1> <y1 y1> */
+        /*           Compute in G_pitch().        */
+        Word16 L_subfr,                       /* (i)     : Subframe lenght.             */
+        Word16 nbits,                         /* (i)     : number of bits (6 or 7)      */
+        Word16 * gain_pit,                    /* (i/o)Q14: Pitch gain.                  */
+        Word32 * gain_cod,                    /* (o) Q16 : Code gain.                   */
+        Word16 gp_clip,                       /* (i)     : Gp Clipping flag             */
+        Word16 * mem                          /* (i/o)   : static memory (2 words)      */
+          )
 {
-	Word16 index, *p, min_ind, size;
-	Word16 exp, frac, gcode0, exp_gcode0, e_max, exp_code, qua_ener;
-	Word16 g_pitch, g2_pitch, g_code, g_pit_cod, g2_code, g2_code_lo;
-	Word16 coeff[5], coeff_lo[5], exp_coeff[5];
-	Word16 exp_max[5];
-	Word32 i, j, L_tmp, dist_min;
-	Word16 *past_qua_en, *t_qua_gain;
+    Word16 index, *p, min_ind, size;
+    Word16 exp, frac, gcode0, exp_gcode0, e_max, exp_code, qua_ener;
+    Word16 g_pitch, g2_pitch, g_code, g_pit_cod, g2_code, g2_code_lo;
+    Word16 coeff[5], coeff_lo[5], exp_coeff[5];
+    Word16 exp_max[5];
+    Word32 i, j, L_tmp, dist_min;
+    Word16 *past_qua_en, *t_qua_gain;
 
-	past_qua_en = mem;
+    past_qua_en = mem;
 
-	/*-----------------------------------------------------------------*
-	 * - Find the initial quantization pitch index                     *
-	 * - Set gains search range                                        *
-	 *-----------------------------------------------------------------*/
-	if (nbits == 6)
-	{
-		t_qua_gain = t_qua_gain6b;
-		min_ind = 0;
-		size = RANGE;
+    /*-----------------------------------------------------------------*
+     * - Find the initial quantization pitch index                     *
+     * - Set gains search range                                        *
+     *-----------------------------------------------------------------*/
+    if (nbits == 6)
+    {
+        t_qua_gain = t_qua_gain6b;
+        min_ind = 0;
+        size = RANGE;
 
-		if(gp_clip == 1)
-		{
-			size = size - 16;          /* limit gain pitch to 1.0 */
-		}
-	} else
-	{
-		t_qua_gain = t_qua_gain7b;
+        if(gp_clip == 1)
+        {
+            size = size - 16;          /* limit gain pitch to 1.0 */
+        }
+    } else
+    {
+        t_qua_gain = t_qua_gain7b;
 
-		p = t_qua_gain7b + RANGE;            /* pt at 1/4th of table */
+        p = t_qua_gain7b + RANGE;            /* pt at 1/4th of table */
 
-		j = nb_qua_gain7b - RANGE;
+        j = nb_qua_gain7b - RANGE;
 
-		if (gp_clip == 1)
-		{
-			j = j - 27;                /* limit gain pitch to 1.0 */
-		}
-		min_ind = 0;
-		g_pitch = *gain_pit;
+        if (gp_clip == 1)
+        {
+            j = j - 27;                /* limit gain pitch to 1.0 */
+        }
+        min_ind = 0;
+        g_pitch = *gain_pit;
 
-		for (i = 0; i < j; i++, p += 2)
-		{
-			if (g_pitch > *p)
-			{
-				min_ind = min_ind + 1;
-			}
-		}
-		size = RANGE;
-	}
+        for (i = 0; i < j; i++, p += 2)
+        {
+            if (g_pitch > *p)
+            {
+                min_ind = min_ind + 1;
+            }
+        }
+        size = RANGE;
+    }
 
-	/*------------------------------------------------------------------*
-	 *  Compute coefficient need for the quantization.                  *
-	 *                                                                  *
-	 *  coeff[0] =    y1 y1                                             *
-	 *  coeff[1] = -2 xn y1                                             *
-	 *  coeff[2] =    y2 y2                                             *
-	 *  coeff[3] = -2 xn y2                                             *
-	 *  coeff[4] =  2 y1 y2                                             *
-	 *                                                                  *
-	 * Product <y1 y1> and <xn y1> have been compute in G_pitch() and   *
-	 * are in vector g_coeff[].                                         *
-	 *------------------------------------------------------------------*/
+    /*------------------------------------------------------------------*
+     *  Compute coefficient need for the quantization.                  *
+     *                                                                  *
+     *  coeff[0] =    y1 y1                                             *
+     *  coeff[1] = -2 xn y1                                             *
+     *  coeff[2] =    y2 y2                                             *
+     *  coeff[3] = -2 xn y2                                             *
+     *  coeff[4] =  2 y1 y2                                             *
+     *                                                                  *
+     * Product <y1 y1> and <xn y1> have been compute in G_pitch() and   *
+     * are in vector g_coeff[].                                         *
+     *------------------------------------------------------------------*/
 
-	coeff[0] = g_coeff[0];
-	exp_coeff[0] = g_coeff[1];
-	coeff[1] = negate(g_coeff[2]);                    /* coeff[1] = -2 xn y1 */
-	exp_coeff[1] = g_coeff[3] + 1;
+    coeff[0] = g_coeff[0];
+    exp_coeff[0] = g_coeff[1];
+    coeff[1] = negate(g_coeff[2]);                    /* coeff[1] = -2 xn y1 */
+    exp_coeff[1] = g_coeff[3] + 1;
 
-	/* Compute scalar product <y2[],y2[]> */
+    /* Compute scalar product <y2[],y2[]> */
 #ifdef ASM_OPT                   /* asm optimization branch */
-	coeff[2] = extract_h(Dot_product12_asm(y2, y2, L_subfr, &exp));
+    coeff[2] = extract_h(Dot_product12_asm(y2, y2, L_subfr, &exp));
 #else
-	coeff[2] = extract_h(Dot_product12(y2, y2, L_subfr, &exp));
+    coeff[2] = extract_h(Dot_product12(y2, y2, L_subfr, &exp));
 #endif
-	exp_coeff[2] = (exp - 18) + (Q_xn << 1);     /* -18 (y2 Q9) */
+    exp_coeff[2] = (exp - 18) + (Q_xn << 1);     /* -18 (y2 Q9) */
 
-	/* Compute scalar product -2*<xn[],y2[]> */
+    /* Compute scalar product -2*<xn[],y2[]> */
 #ifdef ASM_OPT                  /* asm optimization branch */
-	coeff[3] = extract_h(L_negate(Dot_product12_asm(xn, y2, L_subfr, &exp)));
+    coeff[3] = extract_h(L_negate(Dot_product12_asm(xn, y2, L_subfr, &exp)));
 #else
-	coeff[3] = extract_h(L_negate(Dot_product12(xn, y2, L_subfr, &exp)));
+    coeff[3] = extract_h(L_negate(Dot_product12(xn, y2, L_subfr, &exp)));
 #endif
 
-	exp_coeff[3] = (exp - 8) + Q_xn;  /* -9 (y2 Q9), +1 (2 xn y2) */
+    exp_coeff[3] = (exp - 8) + Q_xn;  /* -9 (y2 Q9), +1 (2 xn y2) */
 
-	/* Compute scalar product 2*<y1[],y2[]> */
+    /* Compute scalar product 2*<y1[],y2[]> */
 #ifdef ASM_OPT                 /* asm optimization branch */
-	coeff[4] = extract_h(Dot_product12_asm(y1, y2, L_subfr, &exp));
+    coeff[4] = extract_h(Dot_product12_asm(y1, y2, L_subfr, &exp));
 #else
-	coeff[4] = extract_h(Dot_product12(y1, y2, L_subfr, &exp));
+    coeff[4] = extract_h(Dot_product12(y1, y2, L_subfr, &exp));
 #endif
-	exp_coeff[4] = (exp - 8) + Q_xn;  /* -9 (y2 Q9), +1 (2 y1 y2) */
+    exp_coeff[4] = (exp - 8) + Q_xn;  /* -9 (y2 Q9), +1 (2 y1 y2) */
 
-	/*-----------------------------------------------------------------*
-	 *  Find energy of code and compute:                               *
-	 *                                                                 *
-	 *    L_tmp = MEAN_ENER - 10log10(energy of code/ L_subfr)         *
-	 *          = MEAN_ENER - 3.0103*log2(energy of code/ L_subfr)     *
-	 *-----------------------------------------------------------------*/
+    /*-----------------------------------------------------------------*
+     *  Find energy of code and compute:                               *
+     *                                                                 *
+     *    L_tmp = MEAN_ENER - 10log10(energy of code/ L_subfr)         *
+     *          = MEAN_ENER - 3.0103*log2(energy of code/ L_subfr)     *
+     *-----------------------------------------------------------------*/
 #ifdef ASM_OPT                 /* asm optimization branch */
-	L_tmp = Dot_product12_asm(code, code, L_subfr, &exp_code);
+    L_tmp = Dot_product12_asm(code, code, L_subfr, &exp_code);
 #else
-	L_tmp = Dot_product12(code, code, L_subfr, &exp_code);
+    L_tmp = Dot_product12(code, code, L_subfr, &exp_code);
 #endif
-	/* exp_code: -18 (code in Q9), -6 (/L_subfr), -31 (L_tmp Q31->Q0) */
-	exp_code = (exp_code - (18 + 6 + 31));
+    /* exp_code: -18 (code in Q9), -6 (/L_subfr), -31 (L_tmp Q31->Q0) */
+    exp_code = (exp_code - (18 + 6 + 31));
 
-	Log2(L_tmp, &exp, &frac);
-	exp += exp_code;
-	L_tmp = Mpy_32_16(exp, frac, -24660);  /* x -3.0103(Q13) -> Q14 */
+    Log2(L_tmp, &exp, &frac);
+    exp += exp_code;
+    L_tmp = Mpy_32_16(exp, frac, -24660);  /* x -3.0103(Q13) -> Q14 */
 
-	L_tmp += (MEAN_ENER * 8192)<<1; /* + MEAN_ENER in Q14 */
+    L_tmp += (MEAN_ENER * 8192)<<1; /* + MEAN_ENER in Q14 */
 
-	/*-----------------------------------------------------------------*
-	 * Compute gcode0.                                                 *
-	 *  = Sum(i=0,1) pred[i]*past_qua_en[i] + mean_ener - ener_code    *
-	 *-----------------------------------------------------------------*/
-	L_tmp = (L_tmp << 10);              /* From Q14 to Q24 */
-	L_tmp += (pred[0] * past_qua_en[0])<<1;      /* Q13*Q10 -> Q24 */
-	L_tmp += (pred[1] * past_qua_en[1])<<1;      /* Q13*Q10 -> Q24 */
-	L_tmp += (pred[2] * past_qua_en[2])<<1;      /* Q13*Q10 -> Q24 */
-	L_tmp += (pred[3] * past_qua_en[3])<<1;      /* Q13*Q10 -> Q24 */
+    /*-----------------------------------------------------------------*
+     * Compute gcode0.                                                 *
+     *  = Sum(i=0,1) pred[i]*past_qua_en[i] + mean_ener - ener_code    *
+     *-----------------------------------------------------------------*/
+    L_tmp = (L_tmp << 10);              /* From Q14 to Q24 */
+    L_tmp += (pred[0] * past_qua_en[0])<<1;      /* Q13*Q10 -> Q24 */
+    L_tmp += (pred[1] * past_qua_en[1])<<1;      /* Q13*Q10 -> Q24 */
+    L_tmp += (pred[2] * past_qua_en[2])<<1;      /* Q13*Q10 -> Q24 */
+    L_tmp += (pred[3] * past_qua_en[3])<<1;      /* Q13*Q10 -> Q24 */
 
-	gcode0 = extract_h(L_tmp);             /* From Q24 to Q8  */
+    gcode0 = extract_h(L_tmp);             /* From Q24 to Q8  */
 
-	/*-----------------------------------------------------------------*
-	 * gcode0 = pow(10.0, gcode0/20)                                   *
-	 *        = pow(2, 3.321928*gcode0/20)                             *
-	 *        = pow(2, 0.166096*gcode0)                                *
-	 *-----------------------------------------------------------------*/
+    /*-----------------------------------------------------------------*
+     * gcode0 = pow(10.0, gcode0/20)                                   *
+     *        = pow(2, 3.321928*gcode0/20)                             *
+     *        = pow(2, 0.166096*gcode0)                                *
+     *-----------------------------------------------------------------*/
 
-	L_tmp = vo_L_mult(gcode0, 5443);          /* *0.166096 in Q15 -> Q24     */
-	L_tmp = L_tmp >> 8;               /* From Q24 to Q16             */
-	VO_L_Extract(L_tmp, &exp_gcode0, &frac);  /* Extract exponent of gcode0  */
+    L_tmp = vo_L_mult(gcode0, 5443);          /* *0.166096 in Q15 -> Q24     */
+    L_tmp = L_tmp >> 8;               /* From Q24 to Q16             */
+    VO_L_Extract(L_tmp, &exp_gcode0, &frac);  /* Extract exponent of gcode0  */
 
-	gcode0 = (Word16)(Pow2(14, frac));    /* Put 14 as exponent so that  */
-	/* output of Pow2() will be:   */
-	/* 16384 < Pow2() <= 32767     */
-	exp_gcode0 -= 14;
+    gcode0 = (Word16)(Pow2(14, frac));    /* Put 14 as exponent so that  */
+    /* output of Pow2() will be:   */
+    /* 16384 < Pow2() <= 32767     */
+    exp_gcode0 -= 14;
 
-	/*-------------------------------------------------------------------------*
-	 * Find the best quantizer                                                 *
-	 * ~~~~~~~~~~~~~~~~~~~~~~~                                                 *
-	 * Before doing the computation we need to aling exponents of coeff[]      *
-	 * to be sure to have the maximum precision.                               *
-	 *                                                                         *
-	 * In the table the pitch gains are in Q14, the code gains are in Q11 and  *
-	 * are multiply by gcode0 which have been multiply by 2^exp_gcode0.        *
-	 * Also when we compute g_pitch*g_pitch, g_code*g_code and g_pitch*g_code  *
-	 * we divide by 2^15.                                                      *
-	 * Considering all the scaling above we have:                              *
-	 *                                                                         *
-	 *   exp_code = exp_gcode0-11+15 = exp_gcode0+4                            *
-	 *                                                                         *
-	 *   g_pitch*g_pitch  = -14-14+15                                          *
-	 *   g_pitch          = -14                                                *
-	 *   g_code*g_code    = (2*exp_code)+15                                    *
-	 *   g_code           = exp_code                                           *
-	 *   g_pitch*g_code   = -14 + exp_code +15                                 *
-	 *                                                                         *
-	 *   g_pitch*g_pitch * coeff[0]  ;exp_max0 = exp_coeff[0] - 13             *
-	 *   g_pitch         * coeff[1]  ;exp_max1 = exp_coeff[1] - 14             *
-	 *   g_code*g_code   * coeff[2]  ;exp_max2 = exp_coeff[2] +15+(2*exp_code) *
-	 *   g_code          * coeff[3]  ;exp_max3 = exp_coeff[3] + exp_code       *
-	 *   g_pitch*g_code  * coeff[4]  ;exp_max4 = exp_coeff[4] + 1 + exp_code   *
-	 *-------------------------------------------------------------------------*/
+    /*-------------------------------------------------------------------------*
+     * Find the best quantizer                                                 *
+     * ~~~~~~~~~~~~~~~~~~~~~~~                                                 *
+     * Before doing the computation we need to aling exponents of coeff[]      *
+     * to be sure to have the maximum precision.                               *
+     *                                                                         *
+     * In the table the pitch gains are in Q14, the code gains are in Q11 and  *
+     * are multiply by gcode0 which have been multiply by 2^exp_gcode0.        *
+     * Also when we compute g_pitch*g_pitch, g_code*g_code and g_pitch*g_code  *
+     * we divide by 2^15.                                                      *
+     * Considering all the scaling above we have:                              *
+     *                                                                         *
+     *   exp_code = exp_gcode0-11+15 = exp_gcode0+4                            *
+     *                                                                         *
+     *   g_pitch*g_pitch  = -14-14+15                                          *
+     *   g_pitch          = -14                                                *
+     *   g_code*g_code    = (2*exp_code)+15                                    *
+     *   g_code           = exp_code                                           *
+     *   g_pitch*g_code   = -14 + exp_code +15                                 *
+     *                                                                         *
+     *   g_pitch*g_pitch * coeff[0]  ;exp_max0 = exp_coeff[0] - 13             *
+     *   g_pitch         * coeff[1]  ;exp_max1 = exp_coeff[1] - 14             *
+     *   g_code*g_code   * coeff[2]  ;exp_max2 = exp_coeff[2] +15+(2*exp_code) *
+     *   g_code          * coeff[3]  ;exp_max3 = exp_coeff[3] + exp_code       *
+     *   g_pitch*g_code  * coeff[4]  ;exp_max4 = exp_coeff[4] + 1 + exp_code   *
+     *-------------------------------------------------------------------------*/
 
-	exp_code = (exp_gcode0 + 4);
-	exp_max[0] = (exp_coeff[0] - 13);
-	exp_max[1] = (exp_coeff[1] - 14);
-	exp_max[2] = (exp_coeff[2] + (15 + (exp_code << 1)));
-	exp_max[3] = (exp_coeff[3] + exp_code);
-	exp_max[4] = (exp_coeff[4] + (1 + exp_code));
+    exp_code = (exp_gcode0 + 4);
+    exp_max[0] = (exp_coeff[0] - 13);
+    exp_max[1] = (exp_coeff[1] - 14);
+    exp_max[2] = (exp_coeff[2] + (15 + (exp_code << 1)));
+    exp_max[3] = (exp_coeff[3] + exp_code);
+    exp_max[4] = (exp_coeff[4] + (1 + exp_code));
 
-	/* Find maximum exponant */
+    /* Find maximum exponant */
 
-	e_max = exp_max[0];
-	for (i = 1; i < 5; i++)
-	{
-		if(exp_max[i] > e_max)
-		{
-			e_max = exp_max[i];
-		}
-	}
+    e_max = exp_max[0];
+    for (i = 1; i < 5; i++)
+    {
+        if(exp_max[i] > e_max)
+        {
+            e_max = exp_max[i];
+        }
+    }
 
-	/* align coeff[] and save in special 32 bit double precision */
+    /* align coeff[] and save in special 32 bit double precision */
 
-	for (i = 0; i < 5; i++)
-	{
-		j = add1(vo_sub(e_max, exp_max[i]), 2);/* /4 to avoid overflow */
-		L_tmp = L_deposit_h(coeff[i]);
-		L_tmp = L_shr(L_tmp, j);
-		VO_L_Extract(L_tmp, &coeff[i], &coeff_lo[i]);
-		coeff_lo[i] = (coeff_lo[i] >> 3);   /* lo >> 3 */
-	}
+    for (i = 0; i < 5; i++)
+    {
+        j = add1(vo_sub(e_max, exp_max[i]), 2);/* /4 to avoid overflow */
+        L_tmp = L_deposit_h(coeff[i]);
+        L_tmp = L_shr(L_tmp, j);
+        VO_L_Extract(L_tmp, &coeff[i], &coeff_lo[i]);
+        coeff_lo[i] = (coeff_lo[i] >> 3);   /* lo >> 3 */
+    }
 
-	/* Codebook search */
-	dist_min = MAX_32;
-	p = &t_qua_gain[min_ind << 1];
+    /* Codebook search */
+    dist_min = MAX_32;
+    p = &t_qua_gain[min_ind << 1];
 
-	index = 0;
-	for (i = 0; i < size; i++)
-	{
-		g_pitch = *p++;
-		g_code = *p++;
+    index = 0;
+    for (i = 0; i < size; i++)
+    {
+        g_pitch = *p++;
+        g_code = *p++;
 
-		g_code = ((g_code * gcode0) + 0x4000)>>15;
-		g2_pitch = ((g_pitch * g_pitch) + 0x4000)>>15;
-		g_pit_cod = ((g_code * g_pitch) + 0x4000)>>15;
-		L_tmp = (g_code * g_code)<<1;
-		VO_L_Extract(L_tmp, &g2_code, &g2_code_lo);
+        g_code = ((g_code * gcode0) + 0x4000)>>15;
+        g2_pitch = ((g_pitch * g_pitch) + 0x4000)>>15;
+        g_pit_cod = ((g_code * g_pitch) + 0x4000)>>15;
+        L_tmp = (g_code * g_code)<<1;
+        VO_L_Extract(L_tmp, &g2_code, &g2_code_lo);
 
-		L_tmp = (coeff[2] * g2_code_lo)<<1;
-		L_tmp =  (L_tmp >> 3);
-		L_tmp += (coeff_lo[0] * g2_pitch)<<1;
-		L_tmp += (coeff_lo[1] * g_pitch)<<1;
-		L_tmp += (coeff_lo[2] * g2_code)<<1;
-		L_tmp += (coeff_lo[3] * g_code)<<1;
-		L_tmp += (coeff_lo[4] * g_pit_cod)<<1;
-		L_tmp =  (L_tmp >> 12);
-		L_tmp += (coeff[0] * g2_pitch)<<1;
-		L_tmp += (coeff[1] * g_pitch)<<1;
-		L_tmp += (coeff[2] * g2_code)<<1;
-		L_tmp += (coeff[3] * g_code)<<1;
-		L_tmp += (coeff[4] * g_pit_cod)<<1;
+        L_tmp = (coeff[2] * g2_code_lo)<<1;
+        L_tmp =  (L_tmp >> 3);
+        L_tmp += (coeff_lo[0] * g2_pitch)<<1;
+        L_tmp += (coeff_lo[1] * g_pitch)<<1;
+        L_tmp += (coeff_lo[2] * g2_code)<<1;
+        L_tmp += (coeff_lo[3] * g_code)<<1;
+        L_tmp += (coeff_lo[4] * g_pit_cod)<<1;
+        L_tmp =  (L_tmp >> 12);
+        L_tmp += (coeff[0] * g2_pitch)<<1;
+        L_tmp += (coeff[1] * g_pitch)<<1;
+        L_tmp += (coeff[2] * g2_code)<<1;
+        L_tmp += (coeff[3] * g_code)<<1;
+        L_tmp += (coeff[4] * g_pit_cod)<<1;
 
-		if(L_tmp < dist_min)
-		{
-			dist_min = L_tmp;
-			index = i;
-		}
-	}
+        if(L_tmp < dist_min)
+        {
+            dist_min = L_tmp;
+            index = i;
+        }
+    }
 
-	/* Read the quantized gains */
-	index = index + min_ind;
-	p = &t_qua_gain[(index + index)];
-	*gain_pit = *p++;                       /* selected pitch gain in Q14 */
-	g_code = *p++;                          /* selected code gain in Q11  */
+    /* Read the quantized gains */
+    index = index + min_ind;
+    p = &t_qua_gain[(index + index)];
+    *gain_pit = *p++;                       /* selected pitch gain in Q14 */
+    g_code = *p++;                          /* selected code gain in Q11  */
 
-	L_tmp = vo_L_mult(g_code, gcode0);             /* Q11*Q0 -> Q12 */
-	L_tmp = L_shl(L_tmp, (exp_gcode0 + 4));   /* Q12 -> Q16 */
+    L_tmp = vo_L_mult(g_code, gcode0);             /* Q11*Q0 -> Q12 */
+    L_tmp = L_shl(L_tmp, (exp_gcode0 + 4));   /* Q12 -> Q16 */
 
-	*gain_cod = L_tmp;                       /* gain of code in Q16 */
+    *gain_cod = L_tmp;                       /* gain of code in Q16 */
 
-	/*---------------------------------------------------*
-	 * qua_ener = 20*log10(g_code)                       *
-	 *          = 6.0206*log2(g_code)                    *
-	 *          = 6.0206*(log2(g_codeQ11) - 11)          *
-	 *---------------------------------------------------*/
+    /*---------------------------------------------------*
+     * qua_ener = 20*log10(g_code)                       *
+     *          = 6.0206*log2(g_code)                    *
+     *          = 6.0206*(log2(g_codeQ11) - 11)          *
+     *---------------------------------------------------*/
 
-	L_tmp = L_deposit_l(g_code);
-	Log2(L_tmp, &exp, &frac);
-	exp -= 11;
-	L_tmp = Mpy_32_16(exp, frac, 24660);   /* x 6.0206 in Q12 */
+    L_tmp = L_deposit_l(g_code);
+    Log2(L_tmp, &exp, &frac);
+    exp -= 11;
+    L_tmp = Mpy_32_16(exp, frac, 24660);   /* x 6.0206 in Q12 */
 
-	qua_ener = (Word16)(L_tmp >> 3); /* result in Q10 */
+    qua_ener = (Word16)(L_tmp >> 3); /* result in Q10 */
 
-	/* update table of past quantized energies */
+    /* update table of past quantized energies */
 
-	past_qua_en[3] = past_qua_en[2];
-	past_qua_en[2] = past_qua_en[1];
-	past_qua_en[1] = past_qua_en[0];
-	past_qua_en[0] = qua_ener;
+    past_qua_en[3] = past_qua_en[2];
+    past_qua_en[2] = past_qua_en[1];
+    past_qua_en[1] = past_qua_en[0];
+    past_qua_en[0] = qua_ener;
 
-	return (index);
+    return (index);
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/q_pulse.c b/media/libstagefright/codecs/amrwbenc/src/q_pulse.c
index d658602..fe0bdda 100644
--- a/media/libstagefright/codecs/amrwbenc/src/q_pulse.c
+++ b/media/libstagefright/codecs/amrwbenc/src/q_pulse.c
@@ -29,372 +29,372 @@
 #define NB_POS 16                          /* pos in track, mask for sign bit */
 
 Word32 quant_1p_N1(                        /* (o) return N+1 bits             */
-		Word16 pos,                        /* (i) position of the pulse       */
-		Word16 N)                          /* (i) number of bits for position */
+        Word16 pos,                        /* (i) position of the pulse       */
+        Word16 N)                          /* (i) number of bits for position */
 {
-	Word16 mask;
-	Word32 index;
+    Word16 mask;
+    Word32 index;
 
-	mask = (1 << N) - 1;              /* mask = ((1<<N)-1); */
-	/*-------------------------------------------------------*
-	 * Quantization of 1 pulse with N+1 bits:                *
-	 *-------------------------------------------------------*/
-	index = L_deposit_l((Word16) (pos & mask));
-	if ((pos & NB_POS) != 0)
-	{
-		index = vo_L_add(index, L_deposit_l(1 << N));   /* index += 1 << N; */
-	}
-	return (index);
+    mask = (1 << N) - 1;              /* mask = ((1<<N)-1); */
+    /*-------------------------------------------------------*
+     * Quantization of 1 pulse with N+1 bits:                *
+     *-------------------------------------------------------*/
+    index = L_deposit_l((Word16) (pos & mask));
+    if ((pos & NB_POS) != 0)
+    {
+        index = vo_L_add(index, L_deposit_l(1 << N));   /* index += 1 << N; */
+    }
+    return (index);
 }
 
 
 Word32 quant_2p_2N1(                       /* (o) return (2*N)+1 bits         */
-		Word16 pos1,                          /* (i) position of the pulse 1     */
-		Word16 pos2,                          /* (i) position of the pulse 2     */
-		Word16 N)                             /* (i) number of bits for position */
+        Word16 pos1,                          /* (i) position of the pulse 1     */
+        Word16 pos2,                          /* (i) position of the pulse 2     */
+        Word16 N)                             /* (i) number of bits for position */
 {
-	Word16 mask, tmp;
-	Word32 index;
-	mask = (1 << N) - 1;              /* mask = ((1<<N)-1); */
-	/*-------------------------------------------------------*
-	 * Quantization of 2 pulses with 2*N+1 bits:             *
-	 *-------------------------------------------------------*/
-	if (((pos2 ^ pos1) & NB_POS) == 0)
-	{
-		/* sign of 1st pulse == sign of 2th pulse */
-		if(pos1 <= pos2)          /* ((pos1 - pos2) <= 0) */
-		{
-			/* index = ((pos1 & mask) << N) + (pos2 & mask); */
-			index = L_deposit_l(add1((((Word16) (pos1 & mask)) << N), ((Word16) (pos2 & mask))));
-		} else
-		{
-			/* ((pos2 & mask) << N) + (pos1 & mask); */
-			index = L_deposit_l(add1((((Word16) (pos2 & mask)) << N), ((Word16) (pos1 & mask))));
-		}
-		if ((pos1 & NB_POS) != 0)
-		{
-			tmp = (N << 1);
-			index = vo_L_add(index, (1L << tmp));       /* index += 1 << (2*N); */
-		}
-	} else
-	{
-		/* sign of 1st pulse != sign of 2th pulse */
-		if (vo_sub((Word16) (pos1 & mask), (Word16) (pos2 & mask)) <= 0)
-		{
-			/* index = ((pos2 & mask) << N) + (pos1 & mask); */
-			index = L_deposit_l(add1((((Word16) (pos2 & mask)) << N), ((Word16) (pos1 & mask))));
-			if ((pos2 & NB_POS) != 0)
-			{
-				tmp = (N << 1);           /* index += 1 << (2*N); */
-				index = vo_L_add(index, (1L << tmp));
-			}
-		} else
-		{
-			/* index = ((pos1 & mask) << N) + (pos2 & mask);	 */
-			index = L_deposit_l(add1((((Word16) (pos1 & mask)) << N), ((Word16) (pos2 & mask))));
-			if ((pos1 & NB_POS) != 0)
-			{
-				tmp = (N << 1);
-				index = vo_L_add(index, (1 << tmp));    /* index += 1 << (2*N); */
-			}
-		}
-	}
-	return (index);
+    Word16 mask, tmp;
+    Word32 index;
+    mask = (1 << N) - 1;              /* mask = ((1<<N)-1); */
+    /*-------------------------------------------------------*
+     * Quantization of 2 pulses with 2*N+1 bits:             *
+     *-------------------------------------------------------*/
+    if (((pos2 ^ pos1) & NB_POS) == 0)
+    {
+        /* sign of 1st pulse == sign of 2th pulse */
+        if(pos1 <= pos2)          /* ((pos1 - pos2) <= 0) */
+        {
+            /* index = ((pos1 & mask) << N) + (pos2 & mask); */
+            index = L_deposit_l(add1((((Word16) (pos1 & mask)) << N), ((Word16) (pos2 & mask))));
+        } else
+        {
+            /* ((pos2 & mask) << N) + (pos1 & mask); */
+            index = L_deposit_l(add1((((Word16) (pos2 & mask)) << N), ((Word16) (pos1 & mask))));
+        }
+        if ((pos1 & NB_POS) != 0)
+        {
+            tmp = (N << 1);
+            index = vo_L_add(index, (1L << tmp));       /* index += 1 << (2*N); */
+        }
+    } else
+    {
+        /* sign of 1st pulse != sign of 2th pulse */
+        if (vo_sub((Word16) (pos1 & mask), (Word16) (pos2 & mask)) <= 0)
+        {
+            /* index = ((pos2 & mask) << N) + (pos1 & mask); */
+            index = L_deposit_l(add1((((Word16) (pos2 & mask)) << N), ((Word16) (pos1 & mask))));
+            if ((pos2 & NB_POS) != 0)
+            {
+                tmp = (N << 1);           /* index += 1 << (2*N); */
+                index = vo_L_add(index, (1L << tmp));
+            }
+        } else
+        {
+            /* index = ((pos1 & mask) << N) + (pos2 & mask);     */
+            index = L_deposit_l(add1((((Word16) (pos1 & mask)) << N), ((Word16) (pos2 & mask))));
+            if ((pos1 & NB_POS) != 0)
+            {
+                tmp = (N << 1);
+                index = vo_L_add(index, (1 << tmp));    /* index += 1 << (2*N); */
+            }
+        }
+    }
+    return (index);
 }
 
 
 Word32 quant_3p_3N1(                       /* (o) return (3*N)+1 bits         */
-		Word16 pos1,                          /* (i) position of the pulse 1     */
-		Word16 pos2,                          /* (i) position of the pulse 2     */
-		Word16 pos3,                          /* (i) position of the pulse 3     */
-		Word16 N)                             /* (i) number of bits for position */
+        Word16 pos1,                          /* (i) position of the pulse 1     */
+        Word16 pos2,                          /* (i) position of the pulse 2     */
+        Word16 pos3,                          /* (i) position of the pulse 3     */
+        Word16 N)                             /* (i) number of bits for position */
 {
-	Word16 nb_pos;
-	Word32 index;
+    Word16 nb_pos;
+    Word32 index;
 
-	nb_pos =(1 <<(N - 1));            /* nb_pos = (1<<(N-1)); */
-	/*-------------------------------------------------------*
-	 * Quantization of 3 pulses with 3*N+1 bits:             *
-	 *-------------------------------------------------------*/
-	if (((pos1 ^ pos2) & nb_pos) == 0)
-	{
-		index = quant_2p_2N1(pos1, pos2, sub(N, 1));    /* index = quant_2p_2N1(pos1, pos2, (N-1)); */
-		/* index += (pos1 & nb_pos) << N; */
-		index = vo_L_add(index, (L_deposit_l((Word16) (pos1 & nb_pos)) << N));
-		/* index += quant_1p_N1(pos3, N) << (2*N); */
-		index = vo_L_add(index, (quant_1p_N1(pos3, N)<<(N << 1)));
+    nb_pos =(1 <<(N - 1));            /* nb_pos = (1<<(N-1)); */
+    /*-------------------------------------------------------*
+     * Quantization of 3 pulses with 3*N+1 bits:             *
+     *-------------------------------------------------------*/
+    if (((pos1 ^ pos2) & nb_pos) == 0)
+    {
+        index = quant_2p_2N1(pos1, pos2, sub(N, 1));    /* index = quant_2p_2N1(pos1, pos2, (N-1)); */
+        /* index += (pos1 & nb_pos) << N; */
+        index = vo_L_add(index, (L_deposit_l((Word16) (pos1 & nb_pos)) << N));
+        /* index += quant_1p_N1(pos3, N) << (2*N); */
+        index = vo_L_add(index, (quant_1p_N1(pos3, N)<<(N << 1)));
 
-	} else if (((pos1 ^ pos3) & nb_pos) == 0)
-	{
-		index = quant_2p_2N1(pos1, pos3, sub(N, 1));    /* index = quant_2p_2N1(pos1, pos3, (N-1)); */
-		index = vo_L_add(index, (L_deposit_l((Word16) (pos1 & nb_pos)) << N));
-		/* index += (pos1 & nb_pos) << N; */
-		index = vo_L_add(index, (quant_1p_N1(pos2, N) << (N << 1)));
-		/* index += quant_1p_N1(pos2, N) <<
-		 * (2*N); */
-	} else
-	{
-		index = quant_2p_2N1(pos2, pos3, (N - 1));    /* index = quant_2p_2N1(pos2, pos3, (N-1)); */
-		/* index += (pos2 & nb_pos) << N;			 */
-		index = vo_L_add(index, (L_deposit_l((Word16) (pos2 & nb_pos)) << N));
-		/* index += quant_1p_N1(pos1, N) << (2*N);	 */
-		index = vo_L_add(index, (quant_1p_N1(pos1, N) << (N << 1)));
-	}
-	return (index);
+    } else if (((pos1 ^ pos3) & nb_pos) == 0)
+    {
+        index = quant_2p_2N1(pos1, pos3, sub(N, 1));    /* index = quant_2p_2N1(pos1, pos3, (N-1)); */
+        index = vo_L_add(index, (L_deposit_l((Word16) (pos1 & nb_pos)) << N));
+        /* index += (pos1 & nb_pos) << N; */
+        index = vo_L_add(index, (quant_1p_N1(pos2, N) << (N << 1)));
+        /* index += quant_1p_N1(pos2, N) <<
+         * (2*N); */
+    } else
+    {
+        index = quant_2p_2N1(pos2, pos3, (N - 1));    /* index = quant_2p_2N1(pos2, pos3, (N-1)); */
+        /* index += (pos2 & nb_pos) << N;            */
+        index = vo_L_add(index, (L_deposit_l((Word16) (pos2 & nb_pos)) << N));
+        /* index += quant_1p_N1(pos1, N) << (2*N);   */
+        index = vo_L_add(index, (quant_1p_N1(pos1, N) << (N << 1)));
+    }
+    return (index);
 }
 
 
 Word32 quant_4p_4N1(                       /* (o) return (4*N)+1 bits         */
-		Word16 pos1,                          /* (i) position of the pulse 1     */
-		Word16 pos2,                          /* (i) position of the pulse 2     */
-		Word16 pos3,                          /* (i) position of the pulse 3     */
-		Word16 pos4,                          /* (i) position of the pulse 4     */
-		Word16 N)                             /* (i) number of bits for position */
+        Word16 pos1,                          /* (i) position of the pulse 1     */
+        Word16 pos2,                          /* (i) position of the pulse 2     */
+        Word16 pos3,                          /* (i) position of the pulse 3     */
+        Word16 pos4,                          /* (i) position of the pulse 4     */
+        Word16 N)                             /* (i) number of bits for position */
 {
-	Word16 nb_pos;
-	Word32 index;
+    Word16 nb_pos;
+    Word32 index;
 
-	nb_pos = 1 << (N - 1);            /* nb_pos = (1<<(N-1));  */
-	/*-------------------------------------------------------*
-	 * Quantization of 4 pulses with 4*N+1 bits:             *
-	 *-------------------------------------------------------*/
-	if (((pos1 ^ pos2) & nb_pos) == 0)
-	{
-		index = quant_2p_2N1(pos1, pos2, sub(N, 1));    /* index = quant_2p_2N1(pos1, pos2, (N-1)); */
-		/* index += (pos1 & nb_pos) << N;	 */
-		index = vo_L_add(index, (L_deposit_l((Word16) (pos1 & nb_pos)) << N));
-		/* index += quant_2p_2N1(pos3, pos4, N) << (2*N); */
-		index = vo_L_add(index, (quant_2p_2N1(pos3, pos4, N) << (N << 1)));
-	} else if (((pos1 ^ pos3) & nb_pos) == 0)
-	{
-		index = quant_2p_2N1(pos1, pos3, (N - 1));
-		/* index += (pos1 & nb_pos) << N; */
-		index = vo_L_add(index, (L_deposit_l((Word16) (pos1 & nb_pos)) << N));
-		/* index += quant_2p_2N1(pos2, pos4, N) << (2*N); */
-		index = vo_L_add(index, (quant_2p_2N1(pos2, pos4, N) << (N << 1)));
-	} else
-	{
-		index = quant_2p_2N1(pos2, pos3, (N - 1));
-		/* index += (pos2 & nb_pos) << N; */
-		index = vo_L_add(index, (L_deposit_l((Word16) (pos2 & nb_pos)) << N));
-		/* index += quant_2p_2N1(pos1, pos4, N) << (2*N); */
-		index = vo_L_add(index, (quant_2p_2N1(pos1, pos4, N) << (N << 1)));
-	}
-	return (index);
+    nb_pos = 1 << (N - 1);            /* nb_pos = (1<<(N-1));  */
+    /*-------------------------------------------------------*
+     * Quantization of 4 pulses with 4*N+1 bits:             *
+     *-------------------------------------------------------*/
+    if (((pos1 ^ pos2) & nb_pos) == 0)
+    {
+        index = quant_2p_2N1(pos1, pos2, sub(N, 1));    /* index = quant_2p_2N1(pos1, pos2, (N-1)); */
+        /* index += (pos1 & nb_pos) << N;    */
+        index = vo_L_add(index, (L_deposit_l((Word16) (pos1 & nb_pos)) << N));
+        /* index += quant_2p_2N1(pos3, pos4, N) << (2*N); */
+        index = vo_L_add(index, (quant_2p_2N1(pos3, pos4, N) << (N << 1)));
+    } else if (((pos1 ^ pos3) & nb_pos) == 0)
+    {
+        index = quant_2p_2N1(pos1, pos3, (N - 1));
+        /* index += (pos1 & nb_pos) << N; */
+        index = vo_L_add(index, (L_deposit_l((Word16) (pos1 & nb_pos)) << N));
+        /* index += quant_2p_2N1(pos2, pos4, N) << (2*N); */
+        index = vo_L_add(index, (quant_2p_2N1(pos2, pos4, N) << (N << 1)));
+    } else
+    {
+        index = quant_2p_2N1(pos2, pos3, (N - 1));
+        /* index += (pos2 & nb_pos) << N; */
+        index = vo_L_add(index, (L_deposit_l((Word16) (pos2 & nb_pos)) << N));
+        /* index += quant_2p_2N1(pos1, pos4, N) << (2*N); */
+        index = vo_L_add(index, (quant_2p_2N1(pos1, pos4, N) << (N << 1)));
+    }
+    return (index);
 }
 
 
 Word32 quant_4p_4N(                        /* (o) return 4*N bits             */
-		Word16 pos[],                         /* (i) position of the pulse 1..4  */
-		Word16 N)                             /* (i) number of bits for position */
+        Word16 pos[],                         /* (i) position of the pulse 1..4  */
+        Word16 N)                             /* (i) number of bits for position */
 {
-	Word16 nb_pos, mask __unused, n_1, tmp;
-	Word16 posA[4], posB[4];
-	Word32 i, j, k, index;
+    Word16 nb_pos, mask __unused, n_1, tmp;
+    Word16 posA[4], posB[4];
+    Word32 i, j, k, index;
 
-	n_1 = (Word16) (N - 1);
-	nb_pos = (1 << n_1);                  /* nb_pos = (1<<n_1); */
-	mask = vo_sub((1 << N), 1);              /* mask = ((1<<N)-1); */
+    n_1 = (Word16) (N - 1);
+    nb_pos = (1 << n_1);                  /* nb_pos = (1<<n_1); */
+    mask = vo_sub((1 << N), 1);              /* mask = ((1<<N)-1); */
 
-	i = 0;
-	j = 0;
-	for (k = 0; k < 4; k++)
-	{
-		if ((pos[k] & nb_pos) == 0)
-		{
-			posA[i++] = pos[k];
-		} else
-		{
-			posB[j++] = pos[k];
-		}
-	}
+    i = 0;
+    j = 0;
+    for (k = 0; k < 4; k++)
+    {
+        if ((pos[k] & nb_pos) == 0)
+        {
+            posA[i++] = pos[k];
+        } else
+        {
+            posB[j++] = pos[k];
+        }
+    }
 
-	switch (i)
-	{
-		case 0:
-			tmp = vo_sub((N << 2), 3);           /* index = 1 << ((4*N)-3); */
-			index = (1L << tmp);
-			/* index += quant_4p_4N1(posB[0], posB[1], posB[2], posB[3], n_1); */
-			index = vo_L_add(index, quant_4p_4N1(posB[0], posB[1], posB[2], posB[3], n_1));
-			break;
-		case 1:
-			/* index = quant_1p_N1(posA[0], n_1) << ((3*n_1)+1); */
-			tmp = add1((Word16)((vo_L_mult(3, n_1) >> 1)), 1);
-			index = L_shl(quant_1p_N1(posA[0], n_1), tmp);
-			/* index += quant_3p_3N1(posB[0], posB[1], posB[2], n_1); */
-			index = vo_L_add(index, quant_3p_3N1(posB[0], posB[1], posB[2], n_1));
-			break;
-		case 2:
-			tmp = ((n_1 << 1) + 1);         /* index = quant_2p_2N1(posA[0], posA[1], n_1) << ((2*n_1)+1); */
-			index = L_shl(quant_2p_2N1(posA[0], posA[1], n_1), tmp);
-			/* index += quant_2p_2N1(posB[0], posB[1], n_1); */
-			index = vo_L_add(index, quant_2p_2N1(posB[0], posB[1], n_1));
-			break;
-		case 3:
-			/* index = quant_3p_3N1(posA[0], posA[1], posA[2], n_1) << N; */
-			index = L_shl(quant_3p_3N1(posA[0], posA[1], posA[2], n_1), N);
-			index = vo_L_add(index, quant_1p_N1(posB[0], n_1));        /* index += quant_1p_N1(posB[0], n_1); */
-			break;
-		case 4:
-			index = quant_4p_4N1(posA[0], posA[1], posA[2], posA[3], n_1);
-			break;
-		default:
-			index = 0;
-			fprintf(stderr, "Error in function quant_4p_4N\n");
-	}
-	tmp = ((N << 2) - 2);               /* index += (i & 3) << ((4*N)-2); */
-	index = vo_L_add(index, L_shl((L_deposit_l(i) & (3L)), tmp));
+    switch (i)
+    {
+        case 0:
+            tmp = vo_sub((N << 2), 3);           /* index = 1 << ((4*N)-3); */
+            index = (1L << tmp);
+            /* index += quant_4p_4N1(posB[0], posB[1], posB[2], posB[3], n_1); */
+            index = vo_L_add(index, quant_4p_4N1(posB[0], posB[1], posB[2], posB[3], n_1));
+            break;
+        case 1:
+            /* index = quant_1p_N1(posA[0], n_1) << ((3*n_1)+1); */
+            tmp = add1((Word16)((vo_L_mult(3, n_1) >> 1)), 1);
+            index = L_shl(quant_1p_N1(posA[0], n_1), tmp);
+            /* index += quant_3p_3N1(posB[0], posB[1], posB[2], n_1); */
+            index = vo_L_add(index, quant_3p_3N1(posB[0], posB[1], posB[2], n_1));
+            break;
+        case 2:
+            tmp = ((n_1 << 1) + 1);         /* index = quant_2p_2N1(posA[0], posA[1], n_1) << ((2*n_1)+1); */
+            index = L_shl(quant_2p_2N1(posA[0], posA[1], n_1), tmp);
+            /* index += quant_2p_2N1(posB[0], posB[1], n_1); */
+            index = vo_L_add(index, quant_2p_2N1(posB[0], posB[1], n_1));
+            break;
+        case 3:
+            /* index = quant_3p_3N1(posA[0], posA[1], posA[2], n_1) << N; */
+            index = L_shl(quant_3p_3N1(posA[0], posA[1], posA[2], n_1), N);
+            index = vo_L_add(index, quant_1p_N1(posB[0], n_1));        /* index += quant_1p_N1(posB[0], n_1); */
+            break;
+        case 4:
+            index = quant_4p_4N1(posA[0], posA[1], posA[2], posA[3], n_1);
+            break;
+        default:
+            index = 0;
+            fprintf(stderr, "Error in function quant_4p_4N\n");
+    }
+    tmp = ((N << 2) - 2);               /* index += (i & 3) << ((4*N)-2); */
+    index = vo_L_add(index, L_shl((L_deposit_l(i) & (3L)), tmp));
 
-	return (index);
+    return (index);
 }
 
 
 
 Word32 quant_5p_5N(                        /* (o) return 5*N bits             */
-		Word16 pos[],                         /* (i) position of the pulse 1..5  */
-		Word16 N)                             /* (i) number of bits for position */
+        Word16 pos[],                         /* (i) position of the pulse 1..5  */
+        Word16 N)                             /* (i) number of bits for position */
 {
-	Word16 nb_pos, n_1, tmp;
-	Word16 posA[5], posB[5];
-	Word32 i, j, k, index, tmp2;
+    Word16 nb_pos, n_1, tmp;
+    Word16 posA[5], posB[5];
+    Word32 i, j, k, index, tmp2;
 
-	n_1 = (Word16) (N - 1);
-	nb_pos = (1 << n_1);                  /* nb_pos = (1<<n_1); */
+    n_1 = (Word16) (N - 1);
+    nb_pos = (1 << n_1);                  /* nb_pos = (1<<n_1); */
 
-	i = 0;
-	j = 0;
-	for (k = 0; k < 5; k++)
-	{
-		if ((pos[k] & nb_pos) == 0)
-		{
-			posA[i++] = pos[k];
-		} else
-		{
-			posB[j++] = pos[k];
-		}
-	}
+    i = 0;
+    j = 0;
+    for (k = 0; k < 5; k++)
+    {
+        if ((pos[k] & nb_pos) == 0)
+        {
+            posA[i++] = pos[k];
+        } else
+        {
+            posB[j++] = pos[k];
+        }
+    }
 
-	switch (i)
-	{
-		case 0:
-			tmp = vo_sub((Word16)((vo_L_mult(5, N) >> 1)), 1);        /* ((5*N)-1)) */
-			index = L_shl(1L, tmp);   /* index = 1 << ((5*N)-1); */
-			tmp = add1((N << 1), 1);  /* index += quant_3p_3N1(posB[0], posB[1], posB[2], n_1) << ((2*N)+1);*/
-			tmp2 = L_shl(quant_3p_3N1(posB[0], posB[1], posB[2], n_1), tmp);
-			index = vo_L_add(index, tmp2);
-			index = vo_L_add(index, quant_2p_2N1(posB[3], posB[4], N));        /* index += quant_2p_2N1(posB[3], posB[4], N); */
-			break;
-		case 1:
-			tmp = vo_sub((Word16)((vo_L_mult(5, N) >> 1)), 1);        /* index = 1 << ((5*N)-1); */
-			index = L_shl(1L, tmp);
-			tmp = add1((N << 1), 1);   /* index += quant_3p_3N1(posB[0], posB[1], posB[2], n_1) <<((2*N)+1);  */
-			tmp2 = L_shl(quant_3p_3N1(posB[0], posB[1], posB[2], n_1), tmp);
-			index = vo_L_add(index, tmp2);
-			index = vo_L_add(index, quant_2p_2N1(posB[3], posA[0], N));        /* index += quant_2p_2N1(posB[3], posA[0], N); */
-			break;
-		case 2:
-			tmp = vo_sub((Word16)((vo_L_mult(5, N) >> 1)), 1);        /* ((5*N)-1)) */
-			index = L_shl(1L, tmp);            /* index = 1 << ((5*N)-1); */
-			tmp = add1((N << 1), 1);           /* index += quant_3p_3N1(posB[0], posB[1], posB[2], n_1) << ((2*N)+1);  */
-			tmp2 = L_shl(quant_3p_3N1(posB[0], posB[1], posB[2], n_1), tmp);
-			index = vo_L_add(index, tmp2);
-			index = vo_L_add(index, quant_2p_2N1(posA[0], posA[1], N));        /* index += quant_2p_2N1(posA[0], posA[1], N); */
-			break;
-		case 3:
-			tmp = add1((N << 1), 1);           /* index = quant_3p_3N1(posA[0], posA[1], posA[2], n_1) << ((2*N)+1);  */
-			index = L_shl(quant_3p_3N1(posA[0], posA[1], posA[2], n_1), tmp);
-			index = vo_L_add(index, quant_2p_2N1(posB[0], posB[1], N));        /* index += quant_2p_2N1(posB[0], posB[1], N); */
-			break;
-		case 4:
-			tmp = add1((N << 1), 1);           /* index = quant_3p_3N1(posA[0], posA[1], posA[2], n_1) << ((2*N)+1);  */
-			index = L_shl(quant_3p_3N1(posA[0], posA[1], posA[2], n_1), tmp);
-			index = vo_L_add(index, quant_2p_2N1(posA[3], posB[0], N));        /* index += quant_2p_2N1(posA[3], posB[0], N); */
-			break;
-		case 5:
-			tmp = add1((N << 1), 1);           /* index = quant_3p_3N1(posA[0], posA[1], posA[2], n_1) << ((2*N)+1);  */
-			index = L_shl(quant_3p_3N1(posA[0], posA[1], posA[2], n_1), tmp);
-			index = vo_L_add(index, quant_2p_2N1(posA[3], posA[4], N));        /* index += quant_2p_2N1(posA[3], posA[4], N); */
-			break;
-		default:
-			index = 0;
-			fprintf(stderr, "Error in function quant_5p_5N\n");
-	}
+    switch (i)
+    {
+        case 0:
+            tmp = vo_sub((Word16)((vo_L_mult(5, N) >> 1)), 1);        /* ((5*N)-1)) */
+            index = L_shl(1L, tmp);   /* index = 1 << ((5*N)-1); */
+            tmp = add1((N << 1), 1);  /* index += quant_3p_3N1(posB[0], posB[1], posB[2], n_1) << ((2*N)+1);*/
+            tmp2 = L_shl(quant_3p_3N1(posB[0], posB[1], posB[2], n_1), tmp);
+            index = vo_L_add(index, tmp2);
+            index = vo_L_add(index, quant_2p_2N1(posB[3], posB[4], N));        /* index += quant_2p_2N1(posB[3], posB[4], N); */
+            break;
+        case 1:
+            tmp = vo_sub((Word16)((vo_L_mult(5, N) >> 1)), 1);        /* index = 1 << ((5*N)-1); */
+            index = L_shl(1L, tmp);
+            tmp = add1((N << 1), 1);   /* index += quant_3p_3N1(posB[0], posB[1], posB[2], n_1) <<((2*N)+1);  */
+            tmp2 = L_shl(quant_3p_3N1(posB[0], posB[1], posB[2], n_1), tmp);
+            index = vo_L_add(index, tmp2);
+            index = vo_L_add(index, quant_2p_2N1(posB[3], posA[0], N));        /* index += quant_2p_2N1(posB[3], posA[0], N); */
+            break;
+        case 2:
+            tmp = vo_sub((Word16)((vo_L_mult(5, N) >> 1)), 1);        /* ((5*N)-1)) */
+            index = L_shl(1L, tmp);            /* index = 1 << ((5*N)-1); */
+            tmp = add1((N << 1), 1);           /* index += quant_3p_3N1(posB[0], posB[1], posB[2], n_1) << ((2*N)+1);  */
+            tmp2 = L_shl(quant_3p_3N1(posB[0], posB[1], posB[2], n_1), tmp);
+            index = vo_L_add(index, tmp2);
+            index = vo_L_add(index, quant_2p_2N1(posA[0], posA[1], N));        /* index += quant_2p_2N1(posA[0], posA[1], N); */
+            break;
+        case 3:
+            tmp = add1((N << 1), 1);           /* index = quant_3p_3N1(posA[0], posA[1], posA[2], n_1) << ((2*N)+1);  */
+            index = L_shl(quant_3p_3N1(posA[0], posA[1], posA[2], n_1), tmp);
+            index = vo_L_add(index, quant_2p_2N1(posB[0], posB[1], N));        /* index += quant_2p_2N1(posB[0], posB[1], N); */
+            break;
+        case 4:
+            tmp = add1((N << 1), 1);           /* index = quant_3p_3N1(posA[0], posA[1], posA[2], n_1) << ((2*N)+1);  */
+            index = L_shl(quant_3p_3N1(posA[0], posA[1], posA[2], n_1), tmp);
+            index = vo_L_add(index, quant_2p_2N1(posA[3], posB[0], N));        /* index += quant_2p_2N1(posA[3], posB[0], N); */
+            break;
+        case 5:
+            tmp = add1((N << 1), 1);           /* index = quant_3p_3N1(posA[0], posA[1], posA[2], n_1) << ((2*N)+1);  */
+            index = L_shl(quant_3p_3N1(posA[0], posA[1], posA[2], n_1), tmp);
+            index = vo_L_add(index, quant_2p_2N1(posA[3], posA[4], N));        /* index += quant_2p_2N1(posA[3], posA[4], N); */
+            break;
+        default:
+            index = 0;
+            fprintf(stderr, "Error in function quant_5p_5N\n");
+    }
 
-	return (index);
+    return (index);
 }
 
 
 Word32 quant_6p_6N_2(                      /* (o) return (6*N)-2 bits         */
-		Word16 pos[],                         /* (i) position of the pulse 1..6  */
-		Word16 N)                             /* (i) number of bits for position */
+        Word16 pos[],                         /* (i) position of the pulse 1..6  */
+        Word16 N)                             /* (i) number of bits for position */
 {
-	Word16 nb_pos, n_1;
-	Word16 posA[6], posB[6];
-	Word32 i, j, k, index;
+    Word16 nb_pos, n_1;
+    Word16 posA[6], posB[6];
+    Word32 i, j, k, index;
 
-	/* !!  N and n_1 are constants -> it doesn't need to be operated by Basic Operators */
-	n_1 = (Word16) (N - 1);
-	nb_pos = (1 << n_1);                  /* nb_pos = (1<<n_1); */
+    /* !!  N and n_1 are constants -> it doesn't need to be operated by Basic Operators */
+    n_1 = (Word16) (N - 1);
+    nb_pos = (1 << n_1);                  /* nb_pos = (1<<n_1); */
 
-	i = 0;
-	j = 0;
-	for (k = 0; k < 6; k++)
-	{
-		if ((pos[k] & nb_pos) == 0)
-		{
-			posA[i++] = pos[k];
-		} else
-		{
-			posB[j++] = pos[k];
-		}
-	}
+    i = 0;
+    j = 0;
+    for (k = 0; k < 6; k++)
+    {
+        if ((pos[k] & nb_pos) == 0)
+        {
+            posA[i++] = pos[k];
+        } else
+        {
+            posB[j++] = pos[k];
+        }
+    }
 
-	switch (i)
-	{
-		case 0:
-			index = (1 << (Word16) (6 * N - 5));        /* index = 1 << ((6*N)-5); */
-			index = vo_L_add(index, (quant_5p_5N(posB, n_1) << N)); /* index += quant_5p_5N(posB, n_1) << N; */
-			index = vo_L_add(index, quant_1p_N1(posB[5], n_1));        /* index += quant_1p_N1(posB[5], n_1); */
-			break;
-		case 1:
-			index = (1L << (Word16) (6 * N - 5));        /* index = 1 << ((6*N)-5); */
-			index = vo_L_add(index, (quant_5p_5N(posB, n_1) << N)); /* index += quant_5p_5N(posB, n_1) << N; */
-			index = vo_L_add(index, quant_1p_N1(posA[0], n_1));        /* index += quant_1p_N1(posA[0], n_1); */
-			break;
-		case 2:
-			index = (1L << (Word16) (6 * N - 5));        /* index = 1 << ((6*N)-5); */
-			/* index += quant_4p_4N(posB, n_1) << ((2*n_1)+1); */
-			index = vo_L_add(index, (quant_4p_4N(posB, n_1) << (Word16) (2 * n_1 + 1)));
-			index = vo_L_add(index, quant_2p_2N1(posA[0], posA[1], n_1));      /* index += quant_2p_2N1(posA[0], posA[1], n_1); */
-			break;
-		case 3:
-			index = (quant_3p_3N1(posA[0], posA[1], posA[2], n_1) << (Word16) (3 * n_1 + 1));
-			                                  /* index = quant_3p_3N1(posA[0], posA[1], posA[2], n_1) << ((3*n_1)+1); */
-			index =vo_L_add(index, quant_3p_3N1(posB[0], posB[1], posB[2], n_1));
-			                                 /* index += quant_3p_3N1(posB[0], posB[1], posB[2], n_1); */
-			break;
-		case 4:
-			i = 2;
-			index = (quant_4p_4N(posA, n_1) << (Word16) (2 * n_1 + 1));  /* index = quant_4p_4N(posA, n_1) << ((2*n_1)+1); */
-			index = vo_L_add(index, quant_2p_2N1(posB[0], posB[1], n_1));      /* index += quant_2p_2N1(posB[0], posB[1], n_1); */
-			break;
-		case 5:
-			i = 1;
-			index = (quant_5p_5N(posA, n_1) << N);       /* index = quant_5p_5N(posA, n_1) << N; */
-			index = vo_L_add(index, quant_1p_N1(posB[0], n_1));        /* index += quant_1p_N1(posB[0], n_1); */
-			break;
-		case 6:
-			i = 0;
-			index = (quant_5p_5N(posA, n_1) << N);       /* index = quant_5p_5N(posA, n_1) << N; */
-			index = vo_L_add(index, quant_1p_N1(posA[5], n_1));        /* index += quant_1p_N1(posA[5], n_1); */
-			break;
-		default:
-			index = 0;
-			fprintf(stderr, "Error in function quant_6p_6N_2\n");
-	}
-	index = vo_L_add(index, ((L_deposit_l(i) & 3L) << (Word16) (6 * N - 4)));   /* index += (i & 3) << ((6*N)-4); */
+    switch (i)
+    {
+        case 0:
+            index = (1 << (Word16) (6 * N - 5));        /* index = 1 << ((6*N)-5); */
+            index = vo_L_add(index, (quant_5p_5N(posB, n_1) << N)); /* index += quant_5p_5N(posB, n_1) << N; */
+            index = vo_L_add(index, quant_1p_N1(posB[5], n_1));        /* index += quant_1p_N1(posB[5], n_1); */
+            break;
+        case 1:
+            index = (1L << (Word16) (6 * N - 5));        /* index = 1 << ((6*N)-5); */
+            index = vo_L_add(index, (quant_5p_5N(posB, n_1) << N)); /* index += quant_5p_5N(posB, n_1) << N; */
+            index = vo_L_add(index, quant_1p_N1(posA[0], n_1));        /* index += quant_1p_N1(posA[0], n_1); */
+            break;
+        case 2:
+            index = (1L << (Word16) (6 * N - 5));        /* index = 1 << ((6*N)-5); */
+            /* index += quant_4p_4N(posB, n_1) << ((2*n_1)+1); */
+            index = vo_L_add(index, (quant_4p_4N(posB, n_1) << (Word16) (2 * n_1 + 1)));
+            index = vo_L_add(index, quant_2p_2N1(posA[0], posA[1], n_1));      /* index += quant_2p_2N1(posA[0], posA[1], n_1); */
+            break;
+        case 3:
+            index = (quant_3p_3N1(posA[0], posA[1], posA[2], n_1) << (Word16) (3 * n_1 + 1));
+                                              /* index = quant_3p_3N1(posA[0], posA[1], posA[2], n_1) << ((3*n_1)+1); */
+            index =vo_L_add(index, quant_3p_3N1(posB[0], posB[1], posB[2], n_1));
+                                             /* index += quant_3p_3N1(posB[0], posB[1], posB[2], n_1); */
+            break;
+        case 4:
+            i = 2;
+            index = (quant_4p_4N(posA, n_1) << (Word16) (2 * n_1 + 1));  /* index = quant_4p_4N(posA, n_1) << ((2*n_1)+1); */
+            index = vo_L_add(index, quant_2p_2N1(posB[0], posB[1], n_1));      /* index += quant_2p_2N1(posB[0], posB[1], n_1); */
+            break;
+        case 5:
+            i = 1;
+            index = (quant_5p_5N(posA, n_1) << N);       /* index = quant_5p_5N(posA, n_1) << N; */
+            index = vo_L_add(index, quant_1p_N1(posB[0], n_1));        /* index += quant_1p_N1(posB[0], n_1); */
+            break;
+        case 6:
+            i = 0;
+            index = (quant_5p_5N(posA, n_1) << N);       /* index = quant_5p_5N(posA, n_1) << N; */
+            index = vo_L_add(index, quant_1p_N1(posA[5], n_1));        /* index += quant_1p_N1(posA[5], n_1); */
+            break;
+        default:
+            index = 0;
+            fprintf(stderr, "Error in function quant_6p_6N_2\n");
+    }
+    index = vo_L_add(index, ((L_deposit_l(i) & 3L) << (Word16) (6 * N - 4)));   /* index += (i & 3) << ((6*N)-4); */
 
-	return (index);
+    return (index);
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/qisf_ns.c b/media/libstagefright/codecs/amrwbenc/src/qisf_ns.c
index fc2f00d..eac98e2 100644
--- a/media/libstagefright/codecs/amrwbenc/src/qisf_ns.c
+++ b/media/libstagefright/codecs/amrwbenc/src/qisf_ns.c
@@ -33,30 +33,30 @@
 *------------------------------------------------------------------*/
 
 void Qisf_ns(
-		Word16 * isf1,                        /* input : ISF in the frequency domain (0..0.5) */
-		Word16 * isf_q,                       /* output: quantized ISF                        */
-		Word16 * indice                       /* output: quantization indices                 */
-	    )
+        Word16 * isf1,                        /* input : ISF in the frequency domain (0..0.5) */
+        Word16 * isf_q,                       /* output: quantized ISF                        */
+        Word16 * indice                       /* output: quantization indices                 */
+        )
 {
-	Word16 i;
-	Word32 tmp;
+    Word16 i;
+    Word32 tmp;
 
-	for (i = 0; i < ORDER; i++)
-	{
-		isf_q[i] = sub(isf1[i], mean_isf_noise[i]);
-	}
+    for (i = 0; i < ORDER; i++)
+    {
+        isf_q[i] = sub(isf1[i], mean_isf_noise[i]);
+    }
 
-	indice[0] = Sub_VQ(&isf_q[0], dico1_isf_noise, 2, SIZE_BK_NOISE1, &tmp);
-	indice[1] = Sub_VQ(&isf_q[2], dico2_isf_noise, 3, SIZE_BK_NOISE2, &tmp);
-	indice[2] = Sub_VQ(&isf_q[5], dico3_isf_noise, 3, SIZE_BK_NOISE3, &tmp);
-	indice[3] = Sub_VQ(&isf_q[8], dico4_isf_noise, 4, SIZE_BK_NOISE4, &tmp);
-	indice[4] = Sub_VQ(&isf_q[12], dico5_isf_noise, 4, SIZE_BK_NOISE5, &tmp);
+    indice[0] = Sub_VQ(&isf_q[0], dico1_isf_noise, 2, SIZE_BK_NOISE1, &tmp);
+    indice[1] = Sub_VQ(&isf_q[2], dico2_isf_noise, 3, SIZE_BK_NOISE2, &tmp);
+    indice[2] = Sub_VQ(&isf_q[5], dico3_isf_noise, 3, SIZE_BK_NOISE3, &tmp);
+    indice[3] = Sub_VQ(&isf_q[8], dico4_isf_noise, 4, SIZE_BK_NOISE4, &tmp);
+    indice[4] = Sub_VQ(&isf_q[12], dico5_isf_noise, 4, SIZE_BK_NOISE5, &tmp);
 
-	/* decoding the ISFs */
+    /* decoding the ISFs */
 
-	Disf_ns(indice, isf_q);
+    Disf_ns(indice, isf_q);
 
-	return;
+    return;
 }
 
 /********************************************************************
@@ -70,41 +70,41 @@
 *********************************************************************/
 
 void Disf_ns(
-		Word16 * indice,                      /* input:  quantization indices                  */
-		Word16 * isf_q                        /* input : ISF in the frequency domain (0..0.5)  */
-	    )
+        Word16 * indice,                      /* input:  quantization indices                  */
+        Word16 * isf_q                        /* input : ISF in the frequency domain (0..0.5)  */
+        )
 {
-	Word16 i;
+    Word16 i;
 
-	for (i = 0; i < 2; i++)
-	{
-		isf_q[i] = dico1_isf_noise[indice[0] * 2 + i];
-	}
-	for (i = 0; i < 3; i++)
-	{
-		isf_q[i + 2] = dico2_isf_noise[indice[1] * 3 + i];
-	}
-	for (i = 0; i < 3; i++)
-	{
-		isf_q[i + 5] = dico3_isf_noise[indice[2] * 3 + i];
-	}
-	for (i = 0; i < 4; i++)
-	{
-		isf_q[i + 8] = dico4_isf_noise[indice[3] * 4 + i];
-	}
-	for (i = 0; i < 4; i++)
-	{
-		isf_q[i + 12] = dico5_isf_noise[indice[4] * 4 + i];
-	}
+    for (i = 0; i < 2; i++)
+    {
+        isf_q[i] = dico1_isf_noise[indice[0] * 2 + i];
+    }
+    for (i = 0; i < 3; i++)
+    {
+        isf_q[i + 2] = dico2_isf_noise[indice[1] * 3 + i];
+    }
+    for (i = 0; i < 3; i++)
+    {
+        isf_q[i + 5] = dico3_isf_noise[indice[2] * 3 + i];
+    }
+    for (i = 0; i < 4; i++)
+    {
+        isf_q[i + 8] = dico4_isf_noise[indice[3] * 4 + i];
+    }
+    for (i = 0; i < 4; i++)
+    {
+        isf_q[i + 12] = dico5_isf_noise[indice[4] * 4 + i];
+    }
 
-	for (i = 0; i < ORDER; i++)
-	{
-		isf_q[i] = add(isf_q[i], mean_isf_noise[i]);
-	}
+    for (i = 0; i < ORDER; i++)
+    {
+        isf_q[i] = add(isf_q[i], mean_isf_noise[i]);
+    }
 
-	Reorder_isf(isf_q, ISF_GAP, ORDER);
+    Reorder_isf(isf_q, ISF_GAP, ORDER);
 
-	return;
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/qpisf_2s.c b/media/libstagefright/codecs/amrwbenc/src/qpisf_2s.c
index c711cd0..bec334e 100644
--- a/media/libstagefright/codecs/amrwbenc/src/qpisf_2s.c
+++ b/media/libstagefright/codecs/amrwbenc/src/qpisf_2s.c
@@ -36,13 +36,13 @@
 
 /* private functions */
 static void VQ_stage1(
-		Word16 * x,                           /* input : ISF residual vector           */
-		Word16 * dico,                        /* input : quantization codebook         */
-		Word16 dim,                           /* input : dimention of vector           */
-		Word16 dico_size,                     /* input : size of quantization codebook */
-		Word16 * index,                       /* output: indices of survivors          */
-		Word16 surv                           /* input : number of survivor            */
-		);
+        Word16 * x,                           /* input : ISF residual vector           */
+        Word16 * dico,                        /* input : quantization codebook         */
+        Word16 dim,                           /* input : dimention of vector           */
+        Word16 dico_size,                     /* input : size of quantization codebook */
+        Word16 * index,                       /* output: indices of survivors          */
+        Word16 surv                           /* input : number of survivor            */
+        );
 
 /**************************************************************************
 * Function:   Qpisf_2s_46B()                                              *
@@ -54,84 +54,84 @@
 ***************************************************************************/
 
 void Qpisf_2s_46b(
-		Word16 * isf1,                        /* (i) Q15 : ISF in the frequency domain (0..0.5) */
-		Word16 * isf_q,                       /* (o) Q15 : quantized ISF               (0..0.5) */
-		Word16 * past_isfq,                   /* (io)Q15 : past ISF quantizer                   */
-		Word16 * indice,                      /* (o)     : quantization indices                 */
-		Word16 nb_surv                        /* (i)     : number of survivor (1, 2, 3 or 4)    */
-		)
+        Word16 * isf1,                        /* (i) Q15 : ISF in the frequency domain (0..0.5) */
+        Word16 * isf_q,                       /* (o) Q15 : quantized ISF               (0..0.5) */
+        Word16 * past_isfq,                   /* (io)Q15 : past ISF quantizer                   */
+        Word16 * indice,                      /* (o)     : quantization indices                 */
+        Word16 nb_surv                        /* (i)     : number of survivor (1, 2, 3 or 4)    */
+        )
 {
-	Word16 tmp_ind[5];
-	Word16 surv1[N_SURV_MAX];              /* indices of survivors from 1st stage */
-	Word32 i, k, temp, min_err, distance;
-	Word16 isf[ORDER];
-	Word16 isf_stage2[ORDER];
+    Word16 tmp_ind[5];
+    Word16 surv1[N_SURV_MAX];              /* indices of survivors from 1st stage */
+    Word32 i, k, temp, min_err, distance;
+    Word16 isf[ORDER];
+    Word16 isf_stage2[ORDER];
 
-	for (i = 0; i < ORDER; i++)
-	{
-		isf[i] = vo_sub(isf1[i], mean_isf[i]);
-		isf[i] = vo_sub(isf[i], vo_mult(MU, past_isfq[i]));
-	}
+    for (i = 0; i < ORDER; i++)
+    {
+        isf[i] = vo_sub(isf1[i], mean_isf[i]);
+        isf[i] = vo_sub(isf[i], vo_mult(MU, past_isfq[i]));
+    }
 
-	VQ_stage1(&isf[0], dico1_isf, 9, SIZE_BK1, surv1, nb_surv);
+    VQ_stage1(&isf[0], dico1_isf, 9, SIZE_BK1, surv1, nb_surv);
 
-	distance = MAX_32;
+    distance = MAX_32;
 
-	for (k = 0; k < nb_surv; k++)
-	{
-		for (i = 0; i < 9; i++)
-		{
-			isf_stage2[i] = vo_sub(isf[i], dico1_isf[i + surv1[k] * 9]);
-		}
-		tmp_ind[0] = Sub_VQ(&isf_stage2[0], dico21_isf, 3, SIZE_BK21, &min_err);
-		temp = min_err;
-		tmp_ind[1] = Sub_VQ(&isf_stage2[3], dico22_isf, 3, SIZE_BK22, &min_err);
-		temp = vo_L_add(temp, min_err);
-		tmp_ind[2] = Sub_VQ(&isf_stage2[6], dico23_isf, 3, SIZE_BK23, &min_err);
-		temp = vo_L_add(temp, min_err);
+    for (k = 0; k < nb_surv; k++)
+    {
+        for (i = 0; i < 9; i++)
+        {
+            isf_stage2[i] = vo_sub(isf[i], dico1_isf[i + surv1[k] * 9]);
+        }
+        tmp_ind[0] = Sub_VQ(&isf_stage2[0], dico21_isf, 3, SIZE_BK21, &min_err);
+        temp = min_err;
+        tmp_ind[1] = Sub_VQ(&isf_stage2[3], dico22_isf, 3, SIZE_BK22, &min_err);
+        temp = vo_L_add(temp, min_err);
+        tmp_ind[2] = Sub_VQ(&isf_stage2[6], dico23_isf, 3, SIZE_BK23, &min_err);
+        temp = vo_L_add(temp, min_err);
 
-		if(temp < distance)
-		{
-			distance = temp;
-			indice[0] = surv1[k];
-			for (i = 0; i < 3; i++)
-			{
-				indice[i + 2] = tmp_ind[i];
-			}
-		}
-	}
+        if(temp < distance)
+        {
+            distance = temp;
+            indice[0] = surv1[k];
+            for (i = 0; i < 3; i++)
+            {
+                indice[i + 2] = tmp_ind[i];
+            }
+        }
+    }
 
 
-	VQ_stage1(&isf[9], dico2_isf, 7, SIZE_BK2, surv1, nb_surv);
+    VQ_stage1(&isf[9], dico2_isf, 7, SIZE_BK2, surv1, nb_surv);
 
-	distance = MAX_32;
+    distance = MAX_32;
 
-	for (k = 0; k < nb_surv; k++)
-	{
-		for (i = 0; i < 7; i++)
-		{
-			isf_stage2[i] = vo_sub(isf[9 + i], dico2_isf[i + surv1[k] * 7]);
-		}
+    for (k = 0; k < nb_surv; k++)
+    {
+        for (i = 0; i < 7; i++)
+        {
+            isf_stage2[i] = vo_sub(isf[9 + i], dico2_isf[i + surv1[k] * 7]);
+        }
 
-		tmp_ind[0] = Sub_VQ(&isf_stage2[0], dico24_isf, 3, SIZE_BK24, &min_err);
-		temp = min_err;
-		tmp_ind[1] = Sub_VQ(&isf_stage2[3], dico25_isf, 4, SIZE_BK25, &min_err);
-		temp = vo_L_add(temp, min_err);
+        tmp_ind[0] = Sub_VQ(&isf_stage2[0], dico24_isf, 3, SIZE_BK24, &min_err);
+        temp = min_err;
+        tmp_ind[1] = Sub_VQ(&isf_stage2[3], dico25_isf, 4, SIZE_BK25, &min_err);
+        temp = vo_L_add(temp, min_err);
 
-		if(temp < distance)
-		{
-			distance = temp;
-			indice[1] = surv1[k];
-			for (i = 0; i < 2; i++)
-			{
-				indice[i + 5] = tmp_ind[i];
-			}
-		}
-	}
+        if(temp < distance)
+        {
+            distance = temp;
+            indice[1] = surv1[k];
+            for (i = 0; i < 2; i++)
+            {
+                indice[i + 5] = tmp_ind[i];
+            }
+        }
+    }
 
-	Dpisf_2s_46b(indice, isf_q, past_isfq, isf_q, isf_q, 0, 0);
+    Dpisf_2s_46b(indice, isf_q, past_isfq, isf_q, isf_q, 0, 0);
 
-	return;
+    return;
 }
 
 /*****************************************************************************
@@ -144,76 +144,76 @@
 ******************************************************************************/
 
 void Qpisf_2s_36b(
-		Word16 * isf1,                        /* (i) Q15 : ISF in the frequency domain (0..0.5) */
-		Word16 * isf_q,                       /* (o) Q15 : quantized ISF               (0..0.5) */
-		Word16 * past_isfq,                   /* (io)Q15 : past ISF quantizer                   */
-		Word16 * indice,                      /* (o)     : quantization indices                 */
-		Word16 nb_surv                        /* (i)     : number of survivor (1, 2, 3 or 4)    */
-		)
+        Word16 * isf1,                        /* (i) Q15 : ISF in the frequency domain (0..0.5) */
+        Word16 * isf_q,                       /* (o) Q15 : quantized ISF               (0..0.5) */
+        Word16 * past_isfq,                   /* (io)Q15 : past ISF quantizer                   */
+        Word16 * indice,                      /* (o)     : quantization indices                 */
+        Word16 nb_surv                        /* (i)     : number of survivor (1, 2, 3 or 4)    */
+        )
 {
-	Word16 i, k, tmp_ind[5];
-	Word16 surv1[N_SURV_MAX];              /* indices of survivors from 1st stage */
-	Word32 temp, min_err, distance;
-	Word16 isf[ORDER];
-	Word16 isf_stage2[ORDER];
+    Word16 i, k, tmp_ind[5];
+    Word16 surv1[N_SURV_MAX];              /* indices of survivors from 1st stage */
+    Word32 temp, min_err, distance;
+    Word16 isf[ORDER];
+    Word16 isf_stage2[ORDER];
 
-	for (i = 0; i < ORDER; i++)
-	{
-		isf[i] = vo_sub(isf1[i], mean_isf[i]);
-		isf[i] = vo_sub(isf[i], vo_mult(MU, past_isfq[i]));
-	}
+    for (i = 0; i < ORDER; i++)
+    {
+        isf[i] = vo_sub(isf1[i], mean_isf[i]);
+        isf[i] = vo_sub(isf[i], vo_mult(MU, past_isfq[i]));
+    }
 
-	VQ_stage1(&isf[0], dico1_isf, 9, SIZE_BK1, surv1, nb_surv);
+    VQ_stage1(&isf[0], dico1_isf, 9, SIZE_BK1, surv1, nb_surv);
 
-	distance = MAX_32;
+    distance = MAX_32;
 
-	for (k = 0; k < nb_surv; k++)
-	{
-		for (i = 0; i < 9; i++)
-		{
-			isf_stage2[i] = vo_sub(isf[i], dico1_isf[i + surv1[k] * 9]);
-		}
+    for (k = 0; k < nb_surv; k++)
+    {
+        for (i = 0; i < 9; i++)
+        {
+            isf_stage2[i] = vo_sub(isf[i], dico1_isf[i + surv1[k] * 9]);
+        }
 
-		tmp_ind[0] = Sub_VQ(&isf_stage2[0], dico21_isf_36b, 5, SIZE_BK21_36b, &min_err);
-		temp = min_err;
-		tmp_ind[1] = Sub_VQ(&isf_stage2[5], dico22_isf_36b, 4, SIZE_BK22_36b, &min_err);
-		temp = vo_L_add(temp, min_err);
+        tmp_ind[0] = Sub_VQ(&isf_stage2[0], dico21_isf_36b, 5, SIZE_BK21_36b, &min_err);
+        temp = min_err;
+        tmp_ind[1] = Sub_VQ(&isf_stage2[5], dico22_isf_36b, 4, SIZE_BK22_36b, &min_err);
+        temp = vo_L_add(temp, min_err);
 
-		if(temp < distance)
-		{
-			distance = temp;
-			indice[0] = surv1[k];
-			for (i = 0; i < 2; i++)
-			{
-				indice[i + 2] = tmp_ind[i];
-			}
-		}
-	}
+        if(temp < distance)
+        {
+            distance = temp;
+            indice[0] = surv1[k];
+            for (i = 0; i < 2; i++)
+            {
+                indice[i + 2] = tmp_ind[i];
+            }
+        }
+    }
 
-	VQ_stage1(&isf[9], dico2_isf, 7, SIZE_BK2, surv1, nb_surv);
-	distance = MAX_32;
+    VQ_stage1(&isf[9], dico2_isf, 7, SIZE_BK2, surv1, nb_surv);
+    distance = MAX_32;
 
-	for (k = 0; k < nb_surv; k++)
-	{
-		for (i = 0; i < 7; i++)
-		{
-			isf_stage2[i] = vo_sub(isf[9 + i], dico2_isf[i + surv1[k] * 7]);
-		}
+    for (k = 0; k < nb_surv; k++)
+    {
+        for (i = 0; i < 7; i++)
+        {
+            isf_stage2[i] = vo_sub(isf[9 + i], dico2_isf[i + surv1[k] * 7]);
+        }
 
-		tmp_ind[0] = Sub_VQ(&isf_stage2[0], dico23_isf_36b, 7, SIZE_BK23_36b, &min_err);
-		temp = min_err;
+        tmp_ind[0] = Sub_VQ(&isf_stage2[0], dico23_isf_36b, 7, SIZE_BK23_36b, &min_err);
+        temp = min_err;
 
-		if(temp < distance)
-		{
-			distance = temp;
-			indice[1] = surv1[k];
-			indice[4] = tmp_ind[0];
-		}
-	}
+        if(temp < distance)
+        {
+            distance = temp;
+            indice[1] = surv1[k];
+            indice[4] = tmp_ind[0];
+        }
+    }
 
-	Dpisf_2s_36b(indice, isf_q, past_isfq, isf_q, isf_q, 0, 0);
+    Dpisf_2s_36b(indice, isf_q, past_isfq, isf_q, isf_q, 0, 0);
 
-	return;
+    return;
 }
 
 /*********************************************************************
@@ -223,90 +223,90 @@
 **********************************************************************/
 
 void Dpisf_2s_46b(
-		Word16 * indice,                      /* input:  quantization indices                       */
-		Word16 * isf_q,                       /* output: quantized ISF in frequency domain (0..0.5) */
-		Word16 * past_isfq,                   /* i/0   : past ISF quantizer                    */
-		Word16 * isfold,                      /* input : past quantized ISF                    */
-		Word16 * isf_buf,                     /* input : isf buffer                                                        */
-		Word16 bfi,                           /* input : Bad frame indicator                   */
-		Word16 enc_dec
-		)
+        Word16 * indice,                      /* input:  quantization indices                       */
+        Word16 * isf_q,                       /* output: quantized ISF in frequency domain (0..0.5) */
+        Word16 * past_isfq,                   /* i/0   : past ISF quantizer                    */
+        Word16 * isfold,                      /* input : past quantized ISF                    */
+        Word16 * isf_buf,                     /* input : isf buffer                                                        */
+        Word16 bfi,                           /* input : Bad frame indicator                   */
+        Word16 enc_dec
+        )
 {
-	Word16 ref_isf[M], tmp;
-	Word32 i, j, L_tmp;
+    Word16 ref_isf[M], tmp;
+    Word32 i, j, L_tmp;
 
-	if (bfi == 0)                          /* Good frame */
-	{
-		for (i = 0; i < 9; i++)
-		{
-			isf_q[i] = dico1_isf[indice[0] * 9 + i];
-		}
-		for (i = 0; i < 7; i++)
-		{
-			isf_q[i + 9] = dico2_isf[indice[1] * 7 + i];
-		}
+    if (bfi == 0)                          /* Good frame */
+    {
+        for (i = 0; i < 9; i++)
+        {
+            isf_q[i] = dico1_isf[indice[0] * 9 + i];
+        }
+        for (i = 0; i < 7; i++)
+        {
+            isf_q[i + 9] = dico2_isf[indice[1] * 7 + i];
+        }
 
-		for (i = 0; i < 3; i++)
-		{
-			isf_q[i] = add1(isf_q[i], dico21_isf[indice[2] * 3 + i]);
-			isf_q[i + 3] = add1(isf_q[i + 3], dico22_isf[indice[3] * 3 + i]);
-			isf_q[i + 6] = add1(isf_q[i + 6], dico23_isf[indice[4] * 3 + i]);
-			isf_q[i + 9] = add1(isf_q[i + 9], dico24_isf[indice[5] * 3 + i]);
-		}
+        for (i = 0; i < 3; i++)
+        {
+            isf_q[i] = add1(isf_q[i], dico21_isf[indice[2] * 3 + i]);
+            isf_q[i + 3] = add1(isf_q[i + 3], dico22_isf[indice[3] * 3 + i]);
+            isf_q[i + 6] = add1(isf_q[i + 6], dico23_isf[indice[4] * 3 + i]);
+            isf_q[i + 9] = add1(isf_q[i + 9], dico24_isf[indice[5] * 3 + i]);
+        }
 
-		for (i = 0; i < 4; i++)
-		{
-			isf_q[i + 12] = add1(isf_q[i + 12], dico25_isf[indice[6] * 4 + i]);
-		}
+        for (i = 0; i < 4; i++)
+        {
+            isf_q[i + 12] = add1(isf_q[i + 12], dico25_isf[indice[6] * 4 + i]);
+        }
 
-		for (i = 0; i < ORDER; i++)
-		{
-			tmp = isf_q[i];
-			isf_q[i] = add1(tmp, mean_isf[i]);
-			isf_q[i] = add1(isf_q[i], vo_mult(MU, past_isfq[i]));
-			past_isfq[i] = tmp;
-		}
+        for (i = 0; i < ORDER; i++)
+        {
+            tmp = isf_q[i];
+            isf_q[i] = add1(tmp, mean_isf[i]);
+            isf_q[i] = add1(isf_q[i], vo_mult(MU, past_isfq[i]));
+            past_isfq[i] = tmp;
+        }
 
-		if (enc_dec)
-		{
-			for (i = 0; i < M; i++)
-			{
-				for (j = (L_MEANBUF - 1); j > 0; j--)
-				{
-					isf_buf[j * M + i] = isf_buf[(j - 1) * M + i];
-				}
-				isf_buf[i] = isf_q[i];
-			}
-		}
-	} else
-	{                                      /* bad frame */
-		for (i = 0; i < M; i++)
-		{
-			L_tmp = mean_isf[i] << 14;
-			for (j = 0; j < L_MEANBUF; j++)
-			{
-				L_tmp += (isf_buf[j * M + i] << 14);
-			}
-			ref_isf[i] = vo_round(L_tmp);
-		}
+        if (enc_dec)
+        {
+            for (i = 0; i < M; i++)
+            {
+                for (j = (L_MEANBUF - 1); j > 0; j--)
+                {
+                    isf_buf[j * M + i] = isf_buf[(j - 1) * M + i];
+                }
+                isf_buf[i] = isf_q[i];
+            }
+        }
+    } else
+    {                                      /* bad frame */
+        for (i = 0; i < M; i++)
+        {
+            L_tmp = mean_isf[i] << 14;
+            for (j = 0; j < L_MEANBUF; j++)
+            {
+                L_tmp += (isf_buf[j * M + i] << 14);
+            }
+            ref_isf[i] = vo_round(L_tmp);
+        }
 
-		/* use the past ISFs slightly shifted towards their mean */
-		for (i = 0; i < ORDER; i++)
-		{
-			isf_q[i] = add1(vo_mult(ALPHA, isfold[i]), vo_mult(ONE_ALPHA, ref_isf[i]));
-		}
+        /* use the past ISFs slightly shifted towards their mean */
+        for (i = 0; i < ORDER; i++)
+        {
+            isf_q[i] = add1(vo_mult(ALPHA, isfold[i]), vo_mult(ONE_ALPHA, ref_isf[i]));
+        }
 
-		/* estimate past quantized residual to be used in next frame */
-		for (i = 0; i < ORDER; i++)
-		{
-			tmp = add1(ref_isf[i], vo_mult(past_isfq[i], MU));      /* predicted ISF */
-			past_isfq[i] = vo_sub(isf_q[i], tmp);
-			past_isfq[i] = (past_isfq[i] >> 1);        /* past_isfq[i] *= 0.5 */
-		}
-	}
+        /* estimate past quantized residual to be used in next frame */
+        for (i = 0; i < ORDER; i++)
+        {
+            tmp = add1(ref_isf[i], vo_mult(past_isfq[i], MU));      /* predicted ISF */
+            past_isfq[i] = vo_sub(isf_q[i], tmp);
+            past_isfq[i] = (past_isfq[i] >> 1);        /* past_isfq[i] *= 0.5 */
+        }
+    }
 
-	Reorder_isf(isf_q, ISF_GAP, ORDER);
-	return;
+    Reorder_isf(isf_q, ISF_GAP, ORDER);
+    return;
 }
 
 /*********************************************************************
@@ -316,92 +316,92 @@
 *********************************************************************/
 
 void Dpisf_2s_36b(
-		Word16 * indice,                      /* input:  quantization indices                       */
-		Word16 * isf_q,                       /* output: quantized ISF in frequency domain (0..0.5) */
-		Word16 * past_isfq,                   /* i/0   : past ISF quantizer                    */
-		Word16 * isfold,                      /* input : past quantized ISF                    */
-		Word16 * isf_buf,                     /* input : isf buffer                                                        */
-		Word16 bfi,                           /* input : Bad frame indicator                   */
-		Word16 enc_dec
-		)
+        Word16 * indice,                      /* input:  quantization indices                       */
+        Word16 * isf_q,                       /* output: quantized ISF in frequency domain (0..0.5) */
+        Word16 * past_isfq,                   /* i/0   : past ISF quantizer                    */
+        Word16 * isfold,                      /* input : past quantized ISF                    */
+        Word16 * isf_buf,                     /* input : isf buffer                                                        */
+        Word16 bfi,                           /* input : Bad frame indicator                   */
+        Word16 enc_dec
+        )
 {
-	Word16 ref_isf[M], tmp;
-	Word32 i, j, L_tmp;
+    Word16 ref_isf[M], tmp;
+    Word32 i, j, L_tmp;
 
-	if (bfi == 0)                          /* Good frame */
-	{
-		for (i = 0; i < 9; i++)
-		{
-			isf_q[i] = dico1_isf[indice[0] * 9 + i];
-		}
-		for (i = 0; i < 7; i++)
-		{
-			isf_q[i + 9] = dico2_isf[indice[1] * 7 + i];
-		}
+    if (bfi == 0)                          /* Good frame */
+    {
+        for (i = 0; i < 9; i++)
+        {
+            isf_q[i] = dico1_isf[indice[0] * 9 + i];
+        }
+        for (i = 0; i < 7; i++)
+        {
+            isf_q[i + 9] = dico2_isf[indice[1] * 7 + i];
+        }
 
-		for (i = 0; i < 5; i++)
-		{
-			isf_q[i] = add1(isf_q[i], dico21_isf_36b[indice[2] * 5 + i]);
-		}
-		for (i = 0; i < 4; i++)
-		{
-			isf_q[i + 5] = add1(isf_q[i + 5], dico22_isf_36b[indice[3] * 4 + i]);
-		}
-		for (i = 0; i < 7; i++)
-		{
-			isf_q[i + 9] = add1(isf_q[i + 9], dico23_isf_36b[indice[4] * 7 + i]);
-		}
+        for (i = 0; i < 5; i++)
+        {
+            isf_q[i] = add1(isf_q[i], dico21_isf_36b[indice[2] * 5 + i]);
+        }
+        for (i = 0; i < 4; i++)
+        {
+            isf_q[i + 5] = add1(isf_q[i + 5], dico22_isf_36b[indice[3] * 4 + i]);
+        }
+        for (i = 0; i < 7; i++)
+        {
+            isf_q[i + 9] = add1(isf_q[i + 9], dico23_isf_36b[indice[4] * 7 + i]);
+        }
 
-		for (i = 0; i < ORDER; i++)
-		{
-			tmp = isf_q[i];
-			isf_q[i] = add1(tmp, mean_isf[i]);
-			isf_q[i] = add1(isf_q[i], vo_mult(MU, past_isfq[i]));
-			past_isfq[i] = tmp;
-		}
+        for (i = 0; i < ORDER; i++)
+        {
+            tmp = isf_q[i];
+            isf_q[i] = add1(tmp, mean_isf[i]);
+            isf_q[i] = add1(isf_q[i], vo_mult(MU, past_isfq[i]));
+            past_isfq[i] = tmp;
+        }
 
 
-		if (enc_dec)
-		{
-			for (i = 0; i < M; i++)
-			{
-				for (j = (L_MEANBUF - 1); j > 0; j--)
-				{
-					isf_buf[j * M + i] = isf_buf[(j - 1) * M + i];
-				}
-				isf_buf[i] = isf_q[i];
-			}
-		}
-	} else
-	{                                      /* bad frame */
-		for (i = 0; i < M; i++)
-		{
-			L_tmp = (mean_isf[i] << 14);
-			for (j = 0; j < L_MEANBUF; j++)
-			{
-				L_tmp += (isf_buf[j * M + i] << 14);
-			}
-			ref_isf[i] = vo_round(L_tmp);
-		}
+        if (enc_dec)
+        {
+            for (i = 0; i < M; i++)
+            {
+                for (j = (L_MEANBUF - 1); j > 0; j--)
+                {
+                    isf_buf[j * M + i] = isf_buf[(j - 1) * M + i];
+                }
+                isf_buf[i] = isf_q[i];
+            }
+        }
+    } else
+    {                                      /* bad frame */
+        for (i = 0; i < M; i++)
+        {
+            L_tmp = (mean_isf[i] << 14);
+            for (j = 0; j < L_MEANBUF; j++)
+            {
+                L_tmp += (isf_buf[j * M + i] << 14);
+            }
+            ref_isf[i] = vo_round(L_tmp);
+        }
 
-		/* use the past ISFs slightly shifted towards their mean */
-		for (i = 0; i < ORDER; i++)
-		{
-			isf_q[i] = add1(vo_mult(ALPHA, isfold[i]), vo_mult(ONE_ALPHA, ref_isf[i]));
-		}
+        /* use the past ISFs slightly shifted towards their mean */
+        for (i = 0; i < ORDER; i++)
+        {
+            isf_q[i] = add1(vo_mult(ALPHA, isfold[i]), vo_mult(ONE_ALPHA, ref_isf[i]));
+        }
 
-		/* estimate past quantized residual to be used in next frame */
-		for (i = 0; i < ORDER; i++)
-		{
-			tmp = add1(ref_isf[i], vo_mult(past_isfq[i], MU));      /* predicted ISF */
-			past_isfq[i] = vo_sub(isf_q[i], tmp);
-			past_isfq[i] = past_isfq[i] >> 1;         /* past_isfq[i] *= 0.5 */
-		}
-	}
+        /* estimate past quantized residual to be used in next frame */
+        for (i = 0; i < ORDER; i++)
+        {
+            tmp = add1(ref_isf[i], vo_mult(past_isfq[i], MU));      /* predicted ISF */
+            past_isfq[i] = vo_sub(isf_q[i], tmp);
+            past_isfq[i] = past_isfq[i] >> 1;         /* past_isfq[i] *= 0.5 */
+        }
+    }
 
-	Reorder_isf(isf_q, ISF_GAP, ORDER);
+    Reorder_isf(isf_q, ISF_GAP, ORDER);
 
-	return;
+    return;
 }
 
 
@@ -419,122 +419,122 @@
 ****************************************************************************/
 
 void Reorder_isf(
-		Word16 * isf,                         /* (i/o) Q15: ISF in the frequency domain (0..0.5) */
-		Word16 min_dist,                      /* (i) Q15  : minimum distance to keep             */
-		Word16 n                              /* (i)      : number of ISF                        */
-		)
+        Word16 * isf,                         /* (i/o) Q15: ISF in the frequency domain (0..0.5) */
+        Word16 min_dist,                      /* (i) Q15  : minimum distance to keep             */
+        Word16 n                              /* (i)      : number of ISF                        */
+        )
 {
-	Word32 i;
-	Word16 isf_min;
+    Word32 i;
+    Word16 isf_min;
 
-	isf_min = min_dist;
-	for (i = 0; i < n - 1; i++)
-	{
-		if(isf[i] < isf_min)
-		{
-			isf[i] = isf_min;
-		}
-		isf_min = (isf[i] + min_dist);
-	}
-	return;
+    isf_min = min_dist;
+    for (i = 0; i < n - 1; i++)
+    {
+        if(isf[i] < isf_min)
+        {
+            isf[i] = isf_min;
+        }
+        isf_min = (isf[i] + min_dist);
+    }
+    return;
 }
 
 
 Word16 Sub_VQ(                             /* output: return quantization index     */
-		Word16 * x,                           /* input : ISF residual vector           */
-		Word16 * dico,                        /* input : quantization codebook         */
-		Word16 dim,                           /* input : dimention of vector           */
-		Word16 dico_size,                     /* input : size of quantization codebook */
-		Word32 * distance                     /* output: error of quantization         */
-	     )
+        Word16 * x,                           /* input : ISF residual vector           */
+        Word16 * dico,                        /* input : quantization codebook         */
+        Word16 dim,                           /* input : dimention of vector           */
+        Word16 dico_size,                     /* input : size of quantization codebook */
+        Word32 * distance                     /* output: error of quantization         */
+         )
 {
-	Word16 temp, *p_dico;
-	Word32 i, j, index;
-	Word32 dist_min, dist;
+    Word16 temp, *p_dico;
+    Word32 i, j, index;
+    Word32 dist_min, dist;
 
-	dist_min = MAX_32;
-	p_dico = dico;
+    dist_min = MAX_32;
+    p_dico = dico;
 
-	index = 0;
-	for (i = 0; i < dico_size; i++)
-	{
-		dist = 0;
+    index = 0;
+    for (i = 0; i < dico_size; i++)
+    {
+        dist = 0;
 
-		for (j = 0; j < dim; j++)
-		{
-			temp = x[j] - (*p_dico++);
-			dist += (temp * temp)<<1;
-		}
+        for (j = 0; j < dim; j++)
+        {
+            temp = x[j] - (*p_dico++);
+            dist += (temp * temp)<<1;
+        }
 
-		if(dist < dist_min)
-		{
-			dist_min = dist;
-			index = i;
-		}
-	}
+        if(dist < dist_min)
+        {
+            dist_min = dist;
+            index = i;
+        }
+    }
 
-	*distance = dist_min;
+    *distance = dist_min;
 
-	/* Reading the selected vector */
-	p_dico = &dico[index * dim];
-	for (j = 0; j < dim; j++)
-	{
-		x[j] = *p_dico++;
-	}
+    /* Reading the selected vector */
+    p_dico = &dico[index * dim];
+    for (j = 0; j < dim; j++)
+    {
+        x[j] = *p_dico++;
+    }
 
-	return index;
+    return index;
 }
 
 
 static void VQ_stage1(
-		Word16 * x,                           /* input : ISF residual vector           */
-		Word16 * dico,                        /* input : quantization codebook         */
-		Word16 dim,                           /* input : dimention of vector           */
-		Word16 dico_size,                     /* input : size of quantization codebook */
-		Word16 * index,                       /* output: indices of survivors          */
-		Word16 surv                           /* input : number of survivor            */
-		)
+        Word16 * x,                           /* input : ISF residual vector           */
+        Word16 * dico,                        /* input : quantization codebook         */
+        Word16 dim,                           /* input : dimention of vector           */
+        Word16 dico_size,                     /* input : size of quantization codebook */
+        Word16 * index,                       /* output: indices of survivors          */
+        Word16 surv                           /* input : number of survivor            */
+        )
 {
-	Word16 temp, *p_dico;
-	Word32 i, j, k, l;
-	Word32 dist_min[N_SURV_MAX], dist;
+    Word16 temp, *p_dico;
+    Word32 i, j, k, l;
+    Word32 dist_min[N_SURV_MAX], dist;
 
-	dist_min[0] = MAX_32;
-	dist_min[1] = MAX_32;
-	dist_min[2] = MAX_32;
-	dist_min[3] = MAX_32;
-	index[0] = 0;
-	index[1] = 1;
-	index[2] = 2;
-	index[3] = 3;
+    dist_min[0] = MAX_32;
+    dist_min[1] = MAX_32;
+    dist_min[2] = MAX_32;
+    dist_min[3] = MAX_32;
+    index[0] = 0;
+    index[1] = 1;
+    index[2] = 2;
+    index[3] = 3;
 
-	p_dico = dico;
+    p_dico = dico;
 
-	for (i = 0; i < dico_size; i++)
-	{
-		dist = 0;
-		for (j = 0; j < dim; j++)
-		{
-			temp = x[j] -  (*p_dico++);
-			dist += (temp * temp)<<1;
-		}
+    for (i = 0; i < dico_size; i++)
+    {
+        dist = 0;
+        for (j = 0; j < dim; j++)
+        {
+            temp = x[j] -  (*p_dico++);
+            dist += (temp * temp)<<1;
+        }
 
-		for (k = 0; k < surv; k++)
-		{
-			if(dist < dist_min[k])
-			{
-				for (l = surv - 1; l > k; l--)
-				{
-					dist_min[l] = dist_min[l - 1];
-					index[l] = index[l - 1];
-				}
-				dist_min[k] = dist;
-				index[k] = i;
-				break;
-			}
-		}
-	}
-	return;
+        for (k = 0; k < surv; k++)
+        {
+            if(dist < dist_min[k])
+            {
+                for (l = surv - 1; l > k; l--)
+                {
+                    dist_min[l] = dist_min[l - 1];
+                    index[l] = index[l - 1];
+                }
+                dist_min[k] = dist;
+                index[k] = i;
+                break;
+            }
+        }
+    }
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/random.c b/media/libstagefright/codecs/amrwbenc/src/random.c
index b896863..758343c 100644
--- a/media/libstagefright/codecs/amrwbenc/src/random.c
+++ b/media/libstagefright/codecs/amrwbenc/src/random.c
@@ -26,8 +26,8 @@
 
 Word16 Random(Word16 * seed)
 {
-	/* static Word16 seed = 21845; */
-	*seed = (Word16)(L_add((L_mult(*seed, 31821) >> 1), 13849L));
-	return (*seed);
+    /* static Word16 seed = 21845; */
+    *seed = (Word16)(L_add((L_mult(*seed, 31821) >> 1), 13849L));
+    return (*seed);
 }
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/residu.c b/media/libstagefright/codecs/amrwbenc/src/residu.c
index b0c04b5..76d0e41 100644
--- a/media/libstagefright/codecs/amrwbenc/src/residu.c
+++ b/media/libstagefright/codecs/amrwbenc/src/residu.c
@@ -26,41 +26,41 @@
 #include "basic_op.h"
 
 void Residu(
-		Word16 a[],                           /* (i) Q12 : prediction coefficients                     */
-		Word16 x[],                           /* (i)     : speech (values x[-m..-1] are needed         */
-		Word16 y[],                           /* (o) x2  : residual signal                             */
-		Word16 lg                             /* (i)     : size of filtering                           */
-		)
+        Word16 a[],                           /* (i) Q12 : prediction coefficients                     */
+        Word16 x[],                           /* (i)     : speech (values x[-m..-1] are needed         */
+        Word16 y[],                           /* (o) x2  : residual signal                             */
+        Word16 lg                             /* (i)     : size of filtering                           */
+        )
 {
-	Word16 i,*p1, *p2;
-	Word32 s;
-	for (i = 0; i < lg; i++)
-	{
-		p1 = a;
-		p2 = &x[i];
-		s  = vo_mult32((*p1++), (*p2--));
-		s += vo_mult32((*p1++), (*p2--));
-		s += vo_mult32((*p1++), (*p2--));
-		s += vo_mult32((*p1++), (*p2--));
-		s += vo_mult32((*p1++), (*p2--));
-		s += vo_mult32((*p1++), (*p2--));
-		s += vo_mult32((*p1++), (*p2--));
-		s += vo_mult32((*p1++), (*p2--));
-		s += vo_mult32((*p1++), (*p2--));
-		s += vo_mult32((*p1++), (*p2--));
-		s += vo_mult32((*p1++), (*p2--));
-		s += vo_mult32((*p1++), (*p2--));
-		s += vo_mult32((*p1++), (*p2--));
-		s += vo_mult32((*p1++), (*p2--));
-		s += vo_mult32((*p1++), (*p2--));
-		s += vo_mult32((*p1++), (*p2--));
-		s += vo_mult32((*p1), (*p2));
+    Word16 i,*p1, *p2;
+    Word32 s;
+    for (i = 0; i < lg; i++)
+    {
+        p1 = a;
+        p2 = &x[i];
+        s  = vo_mult32((*p1++), (*p2--));
+        s += vo_mult32((*p1++), (*p2--));
+        s += vo_mult32((*p1++), (*p2--));
+        s += vo_mult32((*p1++), (*p2--));
+        s += vo_mult32((*p1++), (*p2--));
+        s += vo_mult32((*p1++), (*p2--));
+        s += vo_mult32((*p1++), (*p2--));
+        s += vo_mult32((*p1++), (*p2--));
+        s += vo_mult32((*p1++), (*p2--));
+        s += vo_mult32((*p1++), (*p2--));
+        s += vo_mult32((*p1++), (*p2--));
+        s += vo_mult32((*p1++), (*p2--));
+        s += vo_mult32((*p1++), (*p2--));
+        s += vo_mult32((*p1++), (*p2--));
+        s += vo_mult32((*p1++), (*p2--));
+        s += vo_mult32((*p1++), (*p2--));
+        s += vo_mult32((*p1), (*p2));
 
-		s = L_shl2(s, 5);
-		y[i] = extract_h(L_add(s, 0x8000));
-	}
+        s = L_shl2(s, 5);
+        y[i] = extract_h(L_add(s, 0x8000));
+    }
 
-	return;
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/scale.c b/media/libstagefright/codecs/amrwbenc/src/scale.c
index 418cc06..21458c8 100644
--- a/media/libstagefright/codecs/amrwbenc/src/scale.c
+++ b/media/libstagefright/codecs/amrwbenc/src/scale.c
@@ -25,32 +25,32 @@
 #include "basic_op.h"
 
 void Scale_sig(
-		Word16 x[],                           /* (i/o) : signal to scale               */
-		Word16 lg,                            /* (i)   : size of x[]                   */
-		Word16 exp                            /* (i)   : exponent: x = round(x << exp) */
-	      )
+        Word16 x[],                           /* (i/o) : signal to scale               */
+        Word16 lg,                            /* (i)   : size of x[]                   */
+        Word16 exp                            /* (i)   : exponent: x = round(x << exp) */
+          )
 {
-	Word32 i;
-	Word32 L_tmp;
-	if(exp > 0)
-	{
-		for (i = lg - 1 ; i >= 0; i--)
-		{
-			L_tmp = L_shl2(x[i], 16 + exp);
-			x[i] = extract_h(L_add(L_tmp, 0x8000));
-		}
-	}
-	else
-	{
-		exp = -exp;
-		for (i = lg - 1; i >= 0; i--)
-		{
-			L_tmp = x[i] << 16;
-			L_tmp >>= exp;
-			x[i] = (L_tmp + 0x8000)>>16;
-		}
-	}
-	return;
+    Word32 i;
+    Word32 L_tmp;
+    if(exp > 0)
+    {
+        for (i = lg - 1 ; i >= 0; i--)
+        {
+            L_tmp = L_shl2(x[i], 16 + exp);
+            x[i] = extract_h(L_add(L_tmp, 0x8000));
+        }
+    }
+    else
+    {
+        exp = -exp;
+        for (i = lg - 1; i >= 0; i--)
+        {
+            L_tmp = x[i] << 16;
+            L_tmp >>= exp;
+            x[i] = (L_tmp + 0x8000)>>16;
+        }
+    }
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/stream.c b/media/libstagefright/codecs/amrwbenc/src/stream.c
index 780f009..a39149e 100644
--- a/media/libstagefright/codecs/amrwbenc/src/stream.c
+++ b/media/libstagefright/codecs/amrwbenc/src/stream.c
@@ -25,34 +25,34 @@
 
 void voAWB_InitFrameBuffer(FrameStream *stream)
 {
-	stream->set_ptr = NULL;
-	stream->frame_ptr_bk = stream->frame_ptr;
-	stream->set_len = 0;
-	stream->framebuffer_len = 0;
-	stream->frame_storelen = 0;
+    stream->set_ptr = NULL;
+    stream->frame_ptr_bk = stream->frame_ptr;
+    stream->set_len = 0;
+    stream->framebuffer_len = 0;
+    stream->frame_storelen = 0;
 }
 
 void voAWB_UpdateFrameBuffer(
-		FrameStream *stream,
-		VO_MEM_OPERATOR *pMemOP
-		)
+        FrameStream *stream,
+        VO_MEM_OPERATOR *pMemOP
+        )
 {
-	int  len;
-	len  = MIN(Frame_Maxsize - stream->frame_storelen, stream->set_len);
-	pMemOP->Copy(VO_INDEX_ENC_AMRWB, stream->frame_ptr_bk + stream->frame_storelen , stream->set_ptr, len);
-	stream->set_len -= len;
-	stream->set_ptr += len;
-	stream->framebuffer_len = stream->frame_storelen + len;
-	stream->frame_ptr = stream->frame_ptr_bk;
-	stream->used_len += len;
+    int  len;
+    len  = MIN(Frame_Maxsize - stream->frame_storelen, stream->set_len);
+    pMemOP->Copy(VO_INDEX_ENC_AMRWB, stream->frame_ptr_bk + stream->frame_storelen , stream->set_ptr, len);
+    stream->set_len -= len;
+    stream->set_ptr += len;
+    stream->framebuffer_len = stream->frame_storelen + len;
+    stream->frame_ptr = stream->frame_ptr_bk;
+    stream->used_len += len;
 }
 
 void voAWB_FlushFrameBuffer(FrameStream *stream)
 {
-	stream->set_ptr = NULL;
-	stream->frame_ptr_bk = stream->frame_ptr;
-	stream->set_len = 0;
-	stream->framebuffer_len = 0;
-	stream->frame_storelen = 0;
+    stream->set_ptr = NULL;
+    stream->frame_ptr_bk = stream->frame_ptr;
+    stream->set_len = 0;
+    stream->framebuffer_len = 0;
+    stream->frame_storelen = 0;
 }
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/syn_filt.c b/media/libstagefright/codecs/amrwbenc/src/syn_filt.c
index 961aadc..7eba12f 100644
--- a/media/libstagefright/codecs/amrwbenc/src/syn_filt.c
+++ b/media/libstagefright/codecs/amrwbenc/src/syn_filt.c
@@ -29,134 +29,134 @@
 #define UNUSED(x) (void)(x)
 
 void Syn_filt(
-		Word16 a[],                           /* (i) Q12 : a[m+1] prediction coefficients           */
-		Word16 x[],                           /* (i)     : input signal                             */
-		Word16 y[],                           /* (o)     : output signal                            */
-		Word16 lg,                            /* (i)     : size of filtering                        */
-		Word16 mem[],                         /* (i/o)   : memory associated with this filtering.   */
-		Word16 update                         /* (i)     : 0=no update, 1=update of memory.         */
-	     )
+        Word16 a[],                           /* (i) Q12 : a[m+1] prediction coefficients           */
+        Word16 x[],                           /* (i)     : input signal                             */
+        Word16 y[],                           /* (o)     : output signal                            */
+        Word16 lg,                            /* (i)     : size of filtering                        */
+        Word16 mem[],                         /* (i/o)   : memory associated with this filtering.   */
+        Word16 update                         /* (i)     : 0=no update, 1=update of memory.         */
+         )
 {
-	Word32 i, a0;
-	Word16 y_buf[L_SUBFR16k + M16k];
-	Word32 L_tmp;
-	Word16 *yy, *p1, *p2;
-	yy = &y_buf[0];
-	/* copy initial filter states into synthesis buffer */
-	for (i = 0; i < 16; i++)
-	{
-		*yy++ = mem[i];
-	}
-	a0 = (a[0] >> 1);                     /* input / 2 */
-	/* Do the filtering. */
-	for (i = 0; i < lg; i++)
-	{
-		p1 = &a[1];
-		p2 = &yy[i-1];
-		L_tmp  = vo_mult32(a0, x[i]);
-		L_tmp -= vo_mult32((*p1++), (*p2--));
-		L_tmp -= vo_mult32((*p1++), (*p2--));
-		L_tmp -= vo_mult32((*p1++), (*p2--));
-		L_tmp -= vo_mult32((*p1++), (*p2--));
-		L_tmp -= vo_mult32((*p1++), (*p2--));
-		L_tmp -= vo_mult32((*p1++), (*p2--));
-		L_tmp -= vo_mult32((*p1++), (*p2--));
-		L_tmp -= vo_mult32((*p1++), (*p2--));
-		L_tmp -= vo_mult32((*p1++), (*p2--));
-		L_tmp -= vo_mult32((*p1++), (*p2--));
-		L_tmp -= vo_mult32((*p1++), (*p2--));
-		L_tmp -= vo_mult32((*p1++), (*p2--));
-		L_tmp -= vo_mult32((*p1++), (*p2--));
-		L_tmp -= vo_mult32((*p1++), (*p2--));
-		L_tmp -= vo_mult32((*p1++), (*p2--));
-		L_tmp -= vo_mult32((*p1), (*p2));
+    Word32 i, a0;
+    Word16 y_buf[L_SUBFR16k + M16k];
+    Word32 L_tmp;
+    Word16 *yy, *p1, *p2;
+    yy = &y_buf[0];
+    /* copy initial filter states into synthesis buffer */
+    for (i = 0; i < 16; i++)
+    {
+        *yy++ = mem[i];
+    }
+    a0 = (a[0] >> 1);                     /* input / 2 */
+    /* Do the filtering. */
+    for (i = 0; i < lg; i++)
+    {
+        p1 = &a[1];
+        p2 = &yy[i-1];
+        L_tmp  = vo_mult32(a0, x[i]);
+        L_tmp -= vo_mult32((*p1++), (*p2--));
+        L_tmp -= vo_mult32((*p1++), (*p2--));
+        L_tmp -= vo_mult32((*p1++), (*p2--));
+        L_tmp -= vo_mult32((*p1++), (*p2--));
+        L_tmp -= vo_mult32((*p1++), (*p2--));
+        L_tmp -= vo_mult32((*p1++), (*p2--));
+        L_tmp -= vo_mult32((*p1++), (*p2--));
+        L_tmp -= vo_mult32((*p1++), (*p2--));
+        L_tmp -= vo_mult32((*p1++), (*p2--));
+        L_tmp -= vo_mult32((*p1++), (*p2--));
+        L_tmp -= vo_mult32((*p1++), (*p2--));
+        L_tmp -= vo_mult32((*p1++), (*p2--));
+        L_tmp -= vo_mult32((*p1++), (*p2--));
+        L_tmp -= vo_mult32((*p1++), (*p2--));
+        L_tmp -= vo_mult32((*p1++), (*p2--));
+        L_tmp -= vo_mult32((*p1), (*p2));
 
-		L_tmp = L_shl2(L_tmp, 4);
-		y[i] = yy[i] = extract_h(L_add(L_tmp, 0x8000));
-	}
-	/* Update memory if required */
-	if (update)
-		for (i = 0; i < 16; i++)
-		{
-			mem[i] = yy[lg - 16 + i];
-		}
-	return;
+        L_tmp = L_shl2(L_tmp, 4);
+        y[i] = yy[i] = extract_h(L_add(L_tmp, 0x8000));
+    }
+    /* Update memory if required */
+    if (update)
+        for (i = 0; i < 16; i++)
+        {
+            mem[i] = yy[lg - 16 + i];
+        }
+    return;
 }
 
 
 void Syn_filt_32(
-		Word16 a[],                           /* (i) Q12 : a[m+1] prediction coefficients */
-		Word16 m,                             /* (i)     : order of LP filter             */
-		Word16 exc[],                         /* (i) Qnew: excitation (exc[i] >> Qnew)    */
-		Word16 Qnew,                          /* (i)     : exc scaling = 0(min) to 8(max) */
-		Word16 sig_hi[],                      /* (o) /16 : synthesis high                 */
-		Word16 sig_lo[],                      /* (o) /16 : synthesis low                  */
-		Word16 lg                             /* (i)     : size of filtering              */
-		)
+        Word16 a[],                           /* (i) Q12 : a[m+1] prediction coefficients */
+        Word16 m,                             /* (i)     : order of LP filter             */
+        Word16 exc[],                         /* (i) Qnew: excitation (exc[i] >> Qnew)    */
+        Word16 Qnew,                          /* (i)     : exc scaling = 0(min) to 8(max) */
+        Word16 sig_hi[],                      /* (o) /16 : synthesis high                 */
+        Word16 sig_lo[],                      /* (o) /16 : synthesis low                  */
+        Word16 lg                             /* (i)     : size of filtering              */
+        )
 {
-	Word32 i,a0;
-	Word32 L_tmp, L_tmp1;
-	Word16 *p1, *p2, *p3;
+    Word32 i,a0;
+    Word32 L_tmp, L_tmp1;
+    Word16 *p1, *p2, *p3;
         UNUSED(m);
 
-	a0 = a[0] >> (4 + Qnew);          /* input / 16 and >>Qnew */
-	/* Do the filtering. */
-	for (i = 0; i < lg; i++)
-	{
-		L_tmp  = 0;
-		L_tmp1 = 0;
-		p1 = a;
-		p2 = &sig_lo[i - 1];
-		p3 = &sig_hi[i - 1];
+    a0 = a[0] >> (4 + Qnew);          /* input / 16 and >>Qnew */
+    /* Do the filtering. */
+    for (i = 0; i < lg; i++)
+    {
+        L_tmp  = 0;
+        L_tmp1 = 0;
+        p1 = a;
+        p2 = &sig_lo[i - 1];
+        p3 = &sig_hi[i - 1];
 
-		L_tmp  -= vo_mult32((*p2--), (*p1));
-		L_tmp1 -= vo_mult32((*p3--), (*p1++));
-		L_tmp  -= vo_mult32((*p2--), (*p1));
-		L_tmp1 -= vo_mult32((*p3--), (*p1++));
-		L_tmp  -= vo_mult32((*p2--), (*p1));
-		L_tmp1 -= vo_mult32((*p3--), (*p1++));
-		L_tmp  -= vo_mult32((*p2--), (*p1));
-		L_tmp1 -= vo_mult32((*p3--), (*p1++));
-		L_tmp  -= vo_mult32((*p2--), (*p1));
-		L_tmp1 -= vo_mult32((*p3--), (*p1++));
-		L_tmp  -= vo_mult32((*p2--), (*p1));
-		L_tmp1 -= vo_mult32((*p3--), (*p1++));
-		L_tmp  -= vo_mult32((*p2--), (*p1));
-		L_tmp1 -= vo_mult32((*p3--), (*p1++));
-		L_tmp  -= vo_mult32((*p2--), (*p1));
-		L_tmp1 -= vo_mult32((*p3--), (*p1++));
-		L_tmp  -= vo_mult32((*p2--), (*p1));
-		L_tmp1 -= vo_mult32((*p3--), (*p1++));
-		L_tmp  -= vo_mult32((*p2--), (*p1));
-		L_tmp1 -= vo_mult32((*p3--), (*p1++));
-		L_tmp  -= vo_mult32((*p2--), (*p1));
-		L_tmp1 -= vo_mult32((*p3--), (*p1++));
-		L_tmp  -= vo_mult32((*p2--), (*p1));
-		L_tmp1 -= vo_mult32((*p3--), (*p1++));
-		L_tmp  -= vo_mult32((*p2--), (*p1));
-		L_tmp1 -= vo_mult32((*p3--), (*p1++));
-		L_tmp  -= vo_mult32((*p2--), (*p1));
-		L_tmp1 -= vo_mult32((*p3--), (*p1++));
-		L_tmp  -= vo_mult32((*p2--), (*p1));
-		L_tmp1 -= vo_mult32((*p3--), (*p1++));
-		L_tmp  -= vo_mult32((*p2--), (*p1));
-		L_tmp1 -= vo_mult32((*p3--), (*p1++));
+        L_tmp  -= vo_mult32((*p2--), (*p1));
+        L_tmp1 -= vo_mult32((*p3--), (*p1++));
+        L_tmp  -= vo_mult32((*p2--), (*p1));
+        L_tmp1 -= vo_mult32((*p3--), (*p1++));
+        L_tmp  -= vo_mult32((*p2--), (*p1));
+        L_tmp1 -= vo_mult32((*p3--), (*p1++));
+        L_tmp  -= vo_mult32((*p2--), (*p1));
+        L_tmp1 -= vo_mult32((*p3--), (*p1++));
+        L_tmp  -= vo_mult32((*p2--), (*p1));
+        L_tmp1 -= vo_mult32((*p3--), (*p1++));
+        L_tmp  -= vo_mult32((*p2--), (*p1));
+        L_tmp1 -= vo_mult32((*p3--), (*p1++));
+        L_tmp  -= vo_mult32((*p2--), (*p1));
+        L_tmp1 -= vo_mult32((*p3--), (*p1++));
+        L_tmp  -= vo_mult32((*p2--), (*p1));
+        L_tmp1 -= vo_mult32((*p3--), (*p1++));
+        L_tmp  -= vo_mult32((*p2--), (*p1));
+        L_tmp1 -= vo_mult32((*p3--), (*p1++));
+        L_tmp  -= vo_mult32((*p2--), (*p1));
+        L_tmp1 -= vo_mult32((*p3--), (*p1++));
+        L_tmp  -= vo_mult32((*p2--), (*p1));
+        L_tmp1 -= vo_mult32((*p3--), (*p1++));
+        L_tmp  -= vo_mult32((*p2--), (*p1));
+        L_tmp1 -= vo_mult32((*p3--), (*p1++));
+        L_tmp  -= vo_mult32((*p2--), (*p1));
+        L_tmp1 -= vo_mult32((*p3--), (*p1++));
+        L_tmp  -= vo_mult32((*p2--), (*p1));
+        L_tmp1 -= vo_mult32((*p3--), (*p1++));
+        L_tmp  -= vo_mult32((*p2--), (*p1));
+        L_tmp1 -= vo_mult32((*p3--), (*p1++));
+        L_tmp  -= vo_mult32((*p2--), (*p1));
+        L_tmp1 -= vo_mult32((*p3--), (*p1++));
 
-		L_tmp = L_tmp >> 11;
-		L_tmp += vo_L_mult(exc[i], a0);
+        L_tmp = L_tmp >> 11;
+        L_tmp += vo_L_mult(exc[i], a0);
 
-		/* sig_hi = bit16 to bit31 of synthesis */
-		L_tmp = L_tmp - (L_tmp1<<1);
+        /* sig_hi = bit16 to bit31 of synthesis */
+        L_tmp = L_tmp - (L_tmp1<<1);
 
-		L_tmp = L_tmp >> 3;           /* ai in Q12 */
-		sig_hi[i] = extract_h(L_tmp);
+        L_tmp = L_tmp >> 3;           /* ai in Q12 */
+        sig_hi[i] = extract_h(L_tmp);
 
-		/* sig_lo = bit4 to bit15 of synthesis */
-		L_tmp >>= 4;           /* 4 : sig_lo[i] >> 4 */
-		sig_lo[i] = (Word16)((L_tmp - (sig_hi[i] << 13)));
-	}
+        /* sig_lo = bit4 to bit15 of synthesis */
+        L_tmp >>= 4;           /* 4 : sig_lo[i] >> 4 */
+        sig_lo[i] = (Word16)((L_tmp - (sig_hi[i] << 13)));
+    }
 
-	return;
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/updt_tar.c b/media/libstagefright/codecs/amrwbenc/src/updt_tar.c
index 96779fd..f312ca3 100644
--- a/media/libstagefright/codecs/amrwbenc/src/updt_tar.c
+++ b/media/libstagefright/codecs/amrwbenc/src/updt_tar.c
@@ -25,24 +25,24 @@
 #include "basic_op.h"
 
 void Updt_tar(
-		Word16 * x,                           /* (i) Q0  : old target (for pitch search)     */
-		Word16 * x2,                          /* (o) Q0  : new target (for codebook search)  */
-		Word16 * y,                           /* (i) Q0  : filtered adaptive codebook vector */
-		Word16 gain,                          /* (i) Q14 : adaptive codebook gain            */
-		Word16 L                              /* (i)     : subframe size                     */
-	     )
+        Word16 * x,                           /* (i) Q0  : old target (for pitch search)     */
+        Word16 * x2,                          /* (o) Q0  : new target (for codebook search)  */
+        Word16 * y,                           /* (i) Q0  : filtered adaptive codebook vector */
+        Word16 gain,                          /* (i) Q14 : adaptive codebook gain            */
+        Word16 L                              /* (i)     : subframe size                     */
+         )
 {
-	Word32 i;
-	Word32 L_tmp;
+    Word32 i;
+    Word32 L_tmp;
 
-	for (i = 0; i < L; i++)
-	{
-		L_tmp = x[i] << 15;
-		L_tmp -= (y[i] * gain)<<1;
-		x2[i] = extract_h(L_shl2(L_tmp, 1));
-	}
+    for (i = 0; i < L; i++)
+    {
+        L_tmp = x[i] << 15;
+        L_tmp -= (y[i] * gain)<<1;
+        x2[i] = extract_h(L_shl2(L_tmp, 1));
+    }
 
-	return;
+    return;
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/util.c b/media/libstagefright/codecs/amrwbenc/src/util.c
index 333140d..374245f 100644
--- a/media/libstagefright/codecs/amrwbenc/src/util.c
+++ b/media/libstagefright/codecs/amrwbenc/src/util.c
@@ -30,15 +30,15 @@
 ************************************************************************/
 
 void Set_zero(
-		Word16 x[],                           /* (o)    : vector to clear     */
-		Word16 L                              /* (i)    : length of vector    */
-	     )
+        Word16 x[],                           /* (o)    : vector to clear     */
+        Word16 L                              /* (i)    : length of vector    */
+         )
 {
-	Word32 num = (Word32)L;
-	while (num > 0) {
-		*x++ = 0;
+    Word32 num = (Word32)L;
+    while (num > 0) {
+        *x++ = 0;
                 --num;
-	}
+    }
 }
 
 
@@ -49,28 +49,28 @@
 *********************************************************************/
 
 void Copy(
-		Word16 x[],                           /* (i)   : input vector   */
-		Word16 y[],                           /* (o)   : output vector  */
-		Word16 L                              /* (i)   : vector length  */
-	 )
+        Word16 x[],                           /* (i)   : input vector   */
+        Word16 y[],                           /* (o)   : output vector  */
+        Word16 L                              /* (i)   : vector length  */
+     )
 {
-	Word32	temp1,temp2,num;
+    Word32  temp1,temp2,num;
         if (L <= 0) {
                 return;
         }
-	if(L&1)
-	{
-		temp1 = *x++;
-		*y++ = temp1;
-	}
-	num = (Word32)(L>>1);
-	while (num > 0) {
-		temp1 = *x++;
-		temp2 = *x++;
-		*y++ = temp1;
-		*y++ = temp2;
+    if(L&1)
+    {
+        temp1 = *x++;
+        *y++ = temp1;
+    }
+    num = (Word32)(L>>1);
+    while (num > 0) {
+        temp1 = *x++;
+        temp2 = *x++;
+        *y++ = temp1;
+        *y++ = temp2;
                 --num;
-	}
+    }
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/voAMRWBEnc.c b/media/libstagefright/codecs/amrwbenc/src/voAMRWBEnc.c
index df7b9b3..7b578ca 100644
--- a/media/libstagefright/codecs/amrwbenc/src/voAMRWBEnc.c
+++ b/media/libstagefright/codecs/amrwbenc/src/voAMRWBEnc.c
@@ -19,8 +19,8 @@
 *                                                                      *
 *      Description: Performs the main encoder routine                  *
 *                   Fixed-point C simulation of AMR WB ACELP coding    *
-*		    algorithm with 20 msspeech frames for              *
-*		    wideband speech signals.                           *
+*           algorithm with 20 msspeech frames for              *
+*           wideband speech signals.                           *
 *                                                                      *
 ************************************************************************/
 
@@ -51,95 +51,95 @@
 /* isp tables for initialization */
 static Word16 isp_init[M] =
 {
-	32138, 30274, 27246, 23170, 18205, 12540, 6393, 0,
-	-6393, -12540, -18205, -23170, -27246, -30274, -32138, 1475
+    32138, 30274, 27246, 23170, 18205, 12540, 6393, 0,
+    -6393, -12540, -18205, -23170, -27246, -30274, -32138, 1475
 };
 
 static Word16 isf_init[M] =
 {
-	1024, 2048, 3072, 4096, 5120, 6144, 7168, 8192,
-	9216, 10240, 11264, 12288, 13312, 14336, 15360, 3840
+    1024, 2048, 3072, 4096, 5120, 6144, 7168, 8192,
+    9216, 10240, 11264, 12288, 13312, 14336, 15360, 3840
 };
 
 /* High Band encoding */
 static const Word16 HP_gain[16] =
 {
-	3624, 4673, 5597, 6479, 7425, 8378, 9324, 10264,
-	11210, 12206, 13391, 14844, 16770, 19655, 24289, 32728
+    3624, 4673, 5597, 6479, 7425, 8378, 9324, 10264,
+    11210, 12206, 13391, 14844, 16770, 19655, 24289, 32728
 };
 
 /* Private function declaration */
 static Word16 synthesis(
-			Word16 Aq[],                          /* A(z)  : quantized Az               */
-			Word16 exc[],                         /* (i)   : excitation at 12kHz        */
-			Word16 Q_new,                         /* (i)   : scaling performed on exc   */
-			Word16 synth16k[],                    /* (o)   : 16kHz synthesis signal     */
-			Coder_State * st                      /* (i/o) : State structure            */
-			);
+            Word16 Aq[],                          /* A(z)  : quantized Az               */
+            Word16 exc[],                         /* (i)   : excitation at 12kHz        */
+            Word16 Q_new,                         /* (i)   : scaling performed on exc   */
+            Word16 synth16k[],                    /* (o)   : 16kHz synthesis signal     */
+            Coder_State * st                      /* (i/o) : State structure            */
+            );
 
 /* Codec some parameters initialization */
 void Reset_encoder(void *st, Word16 reset_all)
 {
-	Word16 i;
-	Coder_State *cod_state;
-	cod_state = (Coder_State *) st;
-	Set_zero(cod_state->old_exc, PIT_MAX + L_INTERPOL);
-	Set_zero(cod_state->mem_syn, M);
-	Set_zero(cod_state->past_isfq, M);
-	cod_state->mem_w0 = 0;
-	cod_state->tilt_code = 0;
-	cod_state->first_frame = 1;
-	Init_gp_clip(cod_state->gp_clip);
-	cod_state->L_gc_thres = 0;
-	if (reset_all != 0)
-	{
-		/* Static vectors to zero */
-		Set_zero(cod_state->old_speech, L_TOTAL - L_FRAME);
-		Set_zero(cod_state->old_wsp, (PIT_MAX / OPL_DECIM));
-		Set_zero(cod_state->mem_decim2, 3);
-		/* routines initialization */
-		Init_Decim_12k8(cod_state->mem_decim);
-		Init_HP50_12k8(cod_state->mem_sig_in);
-		Init_Levinson(cod_state->mem_levinson);
-		Init_Q_gain2(cod_state->qua_gain);
-		Init_Hp_wsp(cod_state->hp_wsp_mem);
-		/* isp initialization */
-		Copy(isp_init, cod_state->ispold, M);
-		Copy(isp_init, cod_state->ispold_q, M);
-		/* variable initialization */
-		cod_state->mem_preemph = 0;
-		cod_state->mem_wsp = 0;
-		cod_state->Q_old = 15;
-		cod_state->Q_max[0] = 15;
-		cod_state->Q_max[1] = 15;
-		cod_state->old_wsp_max = 0;
-		cod_state->old_wsp_shift = 0;
-		/* pitch ol initialization */
-		cod_state->old_T0_med = 40;
-		cod_state->ol_gain = 0;
-		cod_state->ada_w = 0;
-		cod_state->ol_wght_flg = 0;
-		for (i = 0; i < 5; i++)
-		{
-			cod_state->old_ol_lag[i] = 40;
-		}
-		Set_zero(cod_state->old_hp_wsp, (L_FRAME / 2) / OPL_DECIM + (PIT_MAX / OPL_DECIM));
-		Set_zero(cod_state->mem_syn_hf, M);
-		Set_zero(cod_state->mem_syn_hi, M);
-		Set_zero(cod_state->mem_syn_lo, M);
-		Init_HP50_12k8(cod_state->mem_sig_out);
-		Init_Filt_6k_7k(cod_state->mem_hf);
-		Init_HP400_12k8(cod_state->mem_hp400);
-		Copy(isf_init, cod_state->isfold, M);
-		cod_state->mem_deemph = 0;
-		cod_state->seed2 = 21845;
-		Init_Filt_6k_7k(cod_state->mem_hf2);
-		cod_state->gain_alpha = 32767;
-		cod_state->vad_hist = 0;
-		wb_vad_reset(cod_state->vadSt);
-		dtx_enc_reset(cod_state->dtx_encSt, isf_init);
-	}
-	return;
+    Word16 i;
+    Coder_State *cod_state;
+    cod_state = (Coder_State *) st;
+    Set_zero(cod_state->old_exc, PIT_MAX + L_INTERPOL);
+    Set_zero(cod_state->mem_syn, M);
+    Set_zero(cod_state->past_isfq, M);
+    cod_state->mem_w0 = 0;
+    cod_state->tilt_code = 0;
+    cod_state->first_frame = 1;
+    Init_gp_clip(cod_state->gp_clip);
+    cod_state->L_gc_thres = 0;
+    if (reset_all != 0)
+    {
+        /* Static vectors to zero */
+        Set_zero(cod_state->old_speech, L_TOTAL - L_FRAME);
+        Set_zero(cod_state->old_wsp, (PIT_MAX / OPL_DECIM));
+        Set_zero(cod_state->mem_decim2, 3);
+        /* routines initialization */
+        Init_Decim_12k8(cod_state->mem_decim);
+        Init_HP50_12k8(cod_state->mem_sig_in);
+        Init_Levinson(cod_state->mem_levinson);
+        Init_Q_gain2(cod_state->qua_gain);
+        Init_Hp_wsp(cod_state->hp_wsp_mem);
+        /* isp initialization */
+        Copy(isp_init, cod_state->ispold, M);
+        Copy(isp_init, cod_state->ispold_q, M);
+        /* variable initialization */
+        cod_state->mem_preemph = 0;
+        cod_state->mem_wsp = 0;
+        cod_state->Q_old = 15;
+        cod_state->Q_max[0] = 15;
+        cod_state->Q_max[1] = 15;
+        cod_state->old_wsp_max = 0;
+        cod_state->old_wsp_shift = 0;
+        /* pitch ol initialization */
+        cod_state->old_T0_med = 40;
+        cod_state->ol_gain = 0;
+        cod_state->ada_w = 0;
+        cod_state->ol_wght_flg = 0;
+        for (i = 0; i < 5; i++)
+        {
+            cod_state->old_ol_lag[i] = 40;
+        }
+        Set_zero(cod_state->old_hp_wsp, (L_FRAME / 2) / OPL_DECIM + (PIT_MAX / OPL_DECIM));
+        Set_zero(cod_state->mem_syn_hf, M);
+        Set_zero(cod_state->mem_syn_hi, M);
+        Set_zero(cod_state->mem_syn_lo, M);
+        Init_HP50_12k8(cod_state->mem_sig_out);
+        Init_Filt_6k_7k(cod_state->mem_hf);
+        Init_HP400_12k8(cod_state->mem_hp400);
+        Copy(isf_init, cod_state->isfold, M);
+        cod_state->mem_deemph = 0;
+        cod_state->seed2 = 21845;
+        Init_Filt_6k_7k(cod_state->mem_hf2);
+        cod_state->gain_alpha = 32767;
+        cod_state->vad_hist = 0;
+        wb_vad_reset(cod_state->vadSt);
+        dtx_enc_reset(cod_state->dtx_encSt, isf_init);
+    }
+    return;
 }
 
 /*-----------------------------------------------------------------*
@@ -149,1176 +149,1176 @@
 *                                                                 *
 *-----------------------------------------------------------------*/
 void coder(
-		Word16 * mode,                        /* input :  used mode                             */
-		Word16 speech16k[],                   /* input :  320 new speech samples (at 16 kHz)    */
-		Word16 prms[],                        /* output:  output parameters                     */
-		Word16 * ser_size,                    /* output:  bit rate of the used mode             */
-		void *spe_state,                      /* i/o   :  State structure                       */
-		Word16 allow_dtx                      /* input :  DTX ON/OFF                            */
-	  )
+        Word16 * mode,                        /* input :  used mode                             */
+        Word16 speech16k[],                   /* input :  320 new speech samples (at 16 kHz)    */
+        Word16 prms[],                        /* output:  output parameters                     */
+        Word16 * ser_size,                    /* output:  bit rate of the used mode             */
+        void *spe_state,                      /* i/o   :  State structure                       */
+        Word16 allow_dtx                      /* input :  DTX ON/OFF                            */
+      )
 {
-	/* Coder states */
-	Coder_State *st;
-	/* Speech vector */
-	Word16 old_speech[L_TOTAL];
-	Word16 *new_speech, *speech, *p_window;
+    /* Coder states */
+    Coder_State *st;
+    /* Speech vector */
+    Word16 old_speech[L_TOTAL];
+    Word16 *new_speech, *speech, *p_window;
 
-	/* Weighted speech vector */
-	Word16 old_wsp[L_FRAME + (PIT_MAX / OPL_DECIM)];
-	Word16 *wsp;
+    /* Weighted speech vector */
+    Word16 old_wsp[L_FRAME + (PIT_MAX / OPL_DECIM)];
+    Word16 *wsp;
 
-	/* Excitation vector */
-	Word16 old_exc[(L_FRAME + 1) + PIT_MAX + L_INTERPOL];
-	Word16 *exc;
+    /* Excitation vector */
+    Word16 old_exc[(L_FRAME + 1) + PIT_MAX + L_INTERPOL];
+    Word16 *exc;
 
-	/* LPC coefficients */
-	Word16 r_h[M + 1], r_l[M + 1];         /* Autocorrelations of windowed speech  */
-	Word16 rc[M];                          /* Reflection coefficients.             */
-	Word16 Ap[M + 1];                      /* A(z) with spectral expansion         */
-	Word16 ispnew[M];                      /* immittance spectral pairs at 4nd sfr */
-	Word16 ispnew_q[M];                    /* quantized ISPs at 4nd subframe       */
-	Word16 isf[M];                         /* ISF (frequency domain) at 4nd sfr    */
-	Word16 *p_A, *p_Aq;                    /* ptr to A(z) for the 4 subframes      */
-	Word16 A[NB_SUBFR * (M + 1)];          /* A(z) unquantized for the 4 subframes */
-	Word16 Aq[NB_SUBFR * (M + 1)];         /* A(z)   quantized for the 4 subframes */
+    /* LPC coefficients */
+    Word16 r_h[M + 1], r_l[M + 1];         /* Autocorrelations of windowed speech  */
+    Word16 rc[M];                          /* Reflection coefficients.             */
+    Word16 Ap[M + 1];                      /* A(z) with spectral expansion         */
+    Word16 ispnew[M];                      /* immittance spectral pairs at 4nd sfr */
+    Word16 ispnew_q[M];                    /* quantized ISPs at 4nd subframe       */
+    Word16 isf[M];                         /* ISF (frequency domain) at 4nd sfr    */
+    Word16 *p_A, *p_Aq;                    /* ptr to A(z) for the 4 subframes      */
+    Word16 A[NB_SUBFR * (M + 1)];          /* A(z) unquantized for the 4 subframes */
+    Word16 Aq[NB_SUBFR * (M + 1)];         /* A(z)   quantized for the 4 subframes */
 
-	/* Other vectors */
-	Word16 xn[L_SUBFR];                    /* Target vector for pitch search     */
-	Word16 xn2[L_SUBFR];                   /* Target vector for codebook search  */
-	Word16 dn[L_SUBFR];                    /* Correlation between xn2 and h1     */
-	Word16 cn[L_SUBFR];                    /* Target vector in residual domain   */
-	Word16 h1[L_SUBFR];                    /* Impulse response vector            */
-	Word16 h2[L_SUBFR];                    /* Impulse response vector            */
-	Word16 code[L_SUBFR];                  /* Fixed codebook excitation          */
-	Word16 y1[L_SUBFR];                    /* Filtered adaptive excitation       */
-	Word16 y2[L_SUBFR];                    /* Filtered adaptive excitation       */
-	Word16 error[M + L_SUBFR];             /* error of quantization              */
-	Word16 synth[L_SUBFR];                 /* 12.8kHz synthesis vector           */
-	Word16 exc2[L_FRAME];                  /* excitation vector                  */
-	Word16 buf[L_FRAME];                   /* VAD buffer                         */
+    /* Other vectors */
+    Word16 xn[L_SUBFR];                    /* Target vector for pitch search     */
+    Word16 xn2[L_SUBFR];                   /* Target vector for codebook search  */
+    Word16 dn[L_SUBFR];                    /* Correlation between xn2 and h1     */
+    Word16 cn[L_SUBFR];                    /* Target vector in residual domain   */
+    Word16 h1[L_SUBFR];                    /* Impulse response vector            */
+    Word16 h2[L_SUBFR];                    /* Impulse response vector            */
+    Word16 code[L_SUBFR];                  /* Fixed codebook excitation          */
+    Word16 y1[L_SUBFR];                    /* Filtered adaptive excitation       */
+    Word16 y2[L_SUBFR];                    /* Filtered adaptive excitation       */
+    Word16 error[M + L_SUBFR];             /* error of quantization              */
+    Word16 synth[L_SUBFR];                 /* 12.8kHz synthesis vector           */
+    Word16 exc2[L_FRAME];                  /* excitation vector                  */
+    Word16 buf[L_FRAME];                   /* VAD buffer                         */
 
-	/* Scalars */
-	Word32 i, j, i_subfr, select, pit_flag, clip_gain, vad_flag;
-	Word16 codec_mode;
-	Word16 T_op, T_op2, T0, T0_min, T0_max, T0_frac, index;
-	Word16 gain_pit, gain_code, g_coeff[4], g_coeff2[4];
-	Word16 tmp, gain1, gain2, exp, Q_new, mu, shift, max;
-	Word16 voice_fac;
-	Word16 indice[8];
-	Word32 L_tmp, L_gain_code, L_max, L_tmp1;
-	Word16 code2[L_SUBFR];                         /* Fixed codebook excitation  */
-	Word16 stab_fac, fac, gain_code_lo;
+    /* Scalars */
+    Word32 i, j, i_subfr, select, pit_flag, clip_gain, vad_flag;
+    Word16 codec_mode;
+    Word16 T_op, T_op2, T0, T0_min, T0_max, T0_frac, index;
+    Word16 gain_pit, gain_code, g_coeff[4], g_coeff2[4];
+    Word16 tmp, gain1, gain2, exp, Q_new, mu, shift, max;
+    Word16 voice_fac;
+    Word16 indice[8];
+    Word32 L_tmp, L_gain_code, L_max, L_tmp1;
+    Word16 code2[L_SUBFR];                         /* Fixed codebook excitation  */
+    Word16 stab_fac, fac, gain_code_lo;
 
-	Word16 corr_gain;
-	Word16 *vo_p0, *vo_p1, *vo_p2, *vo_p3;
+    Word16 corr_gain;
+    Word16 *vo_p0, *vo_p1, *vo_p2, *vo_p3;
 
-	st = (Coder_State *) spe_state;
+    st = (Coder_State *) spe_state;
 
-	*ser_size = nb_of_bits[*mode];
-	codec_mode = *mode;
+    *ser_size = nb_of_bits[*mode];
+    codec_mode = *mode;
 
-	/*--------------------------------------------------------------------------*
-	 *          Initialize pointers to speech vector.                           *
-	 *                                                                          *
-	 *                                                                          *
-	 *                    |-------|-------|-------|-------|-------|-------|     *
-	 *                     past sp   sf1     sf2     sf3     sf4    L_NEXT      *
-	 *                    <-------  Total speech buffer (L_TOTAL)   ------>     *
-	 *              old_speech                                                  *
-	 *                    <-------  LPC analysis window (L_WINDOW)  ------>     *
-	 *                    |       <-- present frame (L_FRAME) ---->             *
-	 *                   p_window |       <----- new speech (L_FRAME) ---->     *
-	 *                            |       |                                     *
-	 *                          speech    |                                     *
-	 *                                 new_speech                               *
-	 *--------------------------------------------------------------------------*/
+    /*--------------------------------------------------------------------------*
+     *          Initialize pointers to speech vector.                           *
+     *                                                                          *
+     *                                                                          *
+     *                    |-------|-------|-------|-------|-------|-------|     *
+     *                     past sp   sf1     sf2     sf3     sf4    L_NEXT      *
+     *                    <-------  Total speech buffer (L_TOTAL)   ------>     *
+     *              old_speech                                                  *
+     *                    <-------  LPC analysis window (L_WINDOW)  ------>     *
+     *                    |       <-- present frame (L_FRAME) ---->             *
+     *                   p_window |       <----- new speech (L_FRAME) ---->     *
+     *                            |       |                                     *
+     *                          speech    |                                     *
+     *                                 new_speech                               *
+     *--------------------------------------------------------------------------*/
 
-	new_speech = old_speech + L_TOTAL - L_FRAME - L_FILT;         /* New speech     */
-	speech = old_speech + L_TOTAL - L_FRAME - L_NEXT;             /* Present frame  */
-	p_window = old_speech + L_TOTAL - L_WINDOW;
+    new_speech = old_speech + L_TOTAL - L_FRAME - L_FILT;         /* New speech     */
+    speech = old_speech + L_TOTAL - L_FRAME - L_NEXT;             /* Present frame  */
+    p_window = old_speech + L_TOTAL - L_WINDOW;
 
-	exc = old_exc + PIT_MAX + L_INTERPOL;
-	wsp = old_wsp + (PIT_MAX / OPL_DECIM);
+    exc = old_exc + PIT_MAX + L_INTERPOL;
+    wsp = old_wsp + (PIT_MAX / OPL_DECIM);
 
-	/* copy coder memory state into working space */
-	Copy(st->old_speech, old_speech, L_TOTAL - L_FRAME);
-	Copy(st->old_wsp, old_wsp, PIT_MAX / OPL_DECIM);
-	Copy(st->old_exc, old_exc, PIT_MAX + L_INTERPOL);
+    /* copy coder memory state into working space */
+    Copy(st->old_speech, old_speech, L_TOTAL - L_FRAME);
+    Copy(st->old_wsp, old_wsp, PIT_MAX / OPL_DECIM);
+    Copy(st->old_exc, old_exc, PIT_MAX + L_INTERPOL);
 
-	/*---------------------------------------------------------------*
-	 * Down sampling signal from 16kHz to 12.8kHz                    *
-	 * -> The signal is extended by L_FILT samples (padded to zero)  *
-	 * to avoid additional delay (L_FILT samples) in the coder.      *
-	 * The last L_FILT samples are approximated after decimation and *
-	 * are used (and windowed) only in autocorrelations.             *
-	 *---------------------------------------------------------------*/
+    /*---------------------------------------------------------------*
+     * Down sampling signal from 16kHz to 12.8kHz                    *
+     * -> The signal is extended by L_FILT samples (padded to zero)  *
+     * to avoid additional delay (L_FILT samples) in the coder.      *
+     * The last L_FILT samples are approximated after decimation and *
+     * are used (and windowed) only in autocorrelations.             *
+     *---------------------------------------------------------------*/
 
-	Decim_12k8(speech16k, L_FRAME16k, new_speech, st->mem_decim);
+    Decim_12k8(speech16k, L_FRAME16k, new_speech, st->mem_decim);
 
-	/* last L_FILT samples for autocorrelation window */
-	Copy(st->mem_decim, code, 2 * L_FILT16k);
-	Set_zero(error, L_FILT16k);            /* set next sample to zero */
-	Decim_12k8(error, L_FILT16k, new_speech + L_FRAME, code);
+    /* last L_FILT samples for autocorrelation window */
+    Copy(st->mem_decim, code, 2 * L_FILT16k);
+    Set_zero(error, L_FILT16k);            /* set next sample to zero */
+    Decim_12k8(error, L_FILT16k, new_speech + L_FRAME, code);
 
-	/*---------------------------------------------------------------*
-	 * Perform 50Hz HP filtering of input signal.                    *
-	 *---------------------------------------------------------------*/
+    /*---------------------------------------------------------------*
+     * Perform 50Hz HP filtering of input signal.                    *
+     *---------------------------------------------------------------*/
 
-	HP50_12k8(new_speech, L_FRAME, st->mem_sig_in);
+    HP50_12k8(new_speech, L_FRAME, st->mem_sig_in);
 
-	/* last L_FILT samples for autocorrelation window */
-	Copy(st->mem_sig_in, code, 6);
-	HP50_12k8(new_speech + L_FRAME, L_FILT, code);
+    /* last L_FILT samples for autocorrelation window */
+    Copy(st->mem_sig_in, code, 6);
+    HP50_12k8(new_speech + L_FRAME, L_FILT, code);
 
-	/*---------------------------------------------------------------*
-	 * Perform fixed preemphasis through 1 - g z^-1                  *
-	 * Scale signal to get maximum of precision in filtering         *
-	 *---------------------------------------------------------------*/
+    /*---------------------------------------------------------------*
+     * Perform fixed preemphasis through 1 - g z^-1                  *
+     * Scale signal to get maximum of precision in filtering         *
+     *---------------------------------------------------------------*/
 
-	mu = PREEMPH_FAC >> 1;              /* Q15 --> Q14 */
+    mu = PREEMPH_FAC >> 1;              /* Q15 --> Q14 */
 
-	/* get max of new preemphased samples (L_FRAME+L_FILT) */
-	L_tmp = new_speech[0] << 15;
-	L_tmp -= (st->mem_preemph * mu)<<1;
-	L_max = L_abs(L_tmp);
+    /* get max of new preemphased samples (L_FRAME+L_FILT) */
+    L_tmp = new_speech[0] << 15;
+    L_tmp -= (st->mem_preemph * mu)<<1;
+    L_max = L_abs(L_tmp);
 
-	for (i = 1; i < L_FRAME + L_FILT; i++)
-	{
-		L_tmp = new_speech[i] << 15;
-		L_tmp -= (new_speech[i - 1] * mu)<<1;
-		L_tmp = L_abs(L_tmp);
-		if(L_tmp > L_max)
-		{
-			L_max = L_tmp;
-		}
-	}
+    for (i = 1; i < L_FRAME + L_FILT; i++)
+    {
+        L_tmp = new_speech[i] << 15;
+        L_tmp -= (new_speech[i - 1] * mu)<<1;
+        L_tmp = L_abs(L_tmp);
+        if(L_tmp > L_max)
+        {
+            L_max = L_tmp;
+        }
+    }
 
-	/* get scaling factor for new and previous samples */
-	/* limit scaling to Q_MAX to keep dynamic for ringing in low signal */
-	/* limit scaling to Q_MAX also to avoid a[0]<1 in syn_filt_32 */
-	tmp = extract_h(L_max);
-	if (tmp == 0)
-	{
-		shift = Q_MAX;
-	} else
-	{
-		shift = norm_s(tmp) - 1;
-		if (shift < 0)
-		{
-			shift = 0;
-		}
-		if (shift > Q_MAX)
-		{
-			shift = Q_MAX;
-		}
-	}
-	Q_new = shift;
-	if (Q_new > st->Q_max[0])
-	{
-		Q_new = st->Q_max[0];
-	}
-	if (Q_new > st->Q_max[1])
-	{
-		Q_new = st->Q_max[1];
-	}
-	exp = (Q_new - st->Q_old);
-	st->Q_old = Q_new;
-	st->Q_max[1] = st->Q_max[0];
-	st->Q_max[0] = shift;
+    /* get scaling factor for new and previous samples */
+    /* limit scaling to Q_MAX to keep dynamic for ringing in low signal */
+    /* limit scaling to Q_MAX also to avoid a[0]<1 in syn_filt_32 */
+    tmp = extract_h(L_max);
+    if (tmp == 0)
+    {
+        shift = Q_MAX;
+    } else
+    {
+        shift = norm_s(tmp) - 1;
+        if (shift < 0)
+        {
+            shift = 0;
+        }
+        if (shift > Q_MAX)
+        {
+            shift = Q_MAX;
+        }
+    }
+    Q_new = shift;
+    if (Q_new > st->Q_max[0])
+    {
+        Q_new = st->Q_max[0];
+    }
+    if (Q_new > st->Q_max[1])
+    {
+        Q_new = st->Q_max[1];
+    }
+    exp = (Q_new - st->Q_old);
+    st->Q_old = Q_new;
+    st->Q_max[1] = st->Q_max[0];
+    st->Q_max[0] = shift;
 
-	/* preemphasis with scaling (L_FRAME+L_FILT) */
-	tmp = new_speech[L_FRAME - 1];
+    /* preemphasis with scaling (L_FRAME+L_FILT) */
+    tmp = new_speech[L_FRAME - 1];
 
-	for (i = L_FRAME + L_FILT - 1; i > 0; i--)
-	{
-		L_tmp = new_speech[i] << 15;
-		L_tmp -= (new_speech[i - 1] * mu)<<1;
-		L_tmp = (L_tmp << Q_new);
-		new_speech[i] = vo_round(L_tmp);
-	}
+    for (i = L_FRAME + L_FILT - 1; i > 0; i--)
+    {
+        L_tmp = new_speech[i] << 15;
+        L_tmp -= (new_speech[i - 1] * mu)<<1;
+        L_tmp = (L_tmp << Q_new);
+        new_speech[i] = vo_round(L_tmp);
+    }
 
-	L_tmp = new_speech[0] << 15;
-	L_tmp -= (st->mem_preemph * mu)<<1;
-	L_tmp = (L_tmp << Q_new);
-	new_speech[0] = vo_round(L_tmp);
+    L_tmp = new_speech[0] << 15;
+    L_tmp -= (st->mem_preemph * mu)<<1;
+    L_tmp = (L_tmp << Q_new);
+    new_speech[0] = vo_round(L_tmp);
 
-	st->mem_preemph = tmp;
+    st->mem_preemph = tmp;
 
-	/* scale previous samples and memory */
+    /* scale previous samples and memory */
 
-	Scale_sig(old_speech, L_TOTAL - L_FRAME - L_FILT, exp);
-	Scale_sig(old_exc, PIT_MAX + L_INTERPOL, exp);
-	Scale_sig(st->mem_syn, M, exp);
-	Scale_sig(st->mem_decim2, 3, exp);
-	Scale_sig(&(st->mem_wsp), 1, exp);
-	Scale_sig(&(st->mem_w0), 1, exp);
+    Scale_sig(old_speech, L_TOTAL - L_FRAME - L_FILT, exp);
+    Scale_sig(old_exc, PIT_MAX + L_INTERPOL, exp);
+    Scale_sig(st->mem_syn, M, exp);
+    Scale_sig(st->mem_decim2, 3, exp);
+    Scale_sig(&(st->mem_wsp), 1, exp);
+    Scale_sig(&(st->mem_w0), 1, exp);
 
-	/*------------------------------------------------------------------------*
-	 *  Call VAD                                                              *
-	 *  Preemphesis scale down signal in low frequency and keep dynamic in HF.*
-	 *  Vad work slightly in futur (new_speech = speech + L_NEXT - L_FILT).   *
-	 *------------------------------------------------------------------------*/
-	Copy(new_speech, buf, L_FRAME);
+    /*------------------------------------------------------------------------*
+     *  Call VAD                                                              *
+     *  Preemphesis scale down signal in low frequency and keep dynamic in HF.*
+     *  Vad work slightly in futur (new_speech = speech + L_NEXT - L_FILT).   *
+     *------------------------------------------------------------------------*/
+    Copy(new_speech, buf, L_FRAME);
 
 #ifdef ASM_OPT        /* asm optimization branch */
-	Scale_sig_opt(buf, L_FRAME, 1 - Q_new);
+    Scale_sig_opt(buf, L_FRAME, 1 - Q_new);
 #else
-	Scale_sig(buf, L_FRAME, 1 - Q_new);
+    Scale_sig(buf, L_FRAME, 1 - Q_new);
 #endif
 
-	vad_flag = wb_vad(st->vadSt, buf);          /* Voice Activity Detection */
-	if (vad_flag == 0)
-	{
-		st->vad_hist = (st->vad_hist + 1);
-	} else
-	{
-		st->vad_hist = 0;
-	}
+    vad_flag = wb_vad(st->vadSt, buf);          /* Voice Activity Detection */
+    if (vad_flag == 0)
+    {
+        st->vad_hist = (st->vad_hist + 1);
+    } else
+    {
+        st->vad_hist = 0;
+    }
 
-	/* DTX processing */
-	if (allow_dtx != 0)
-	{
-		/* Note that mode may change here */
-		tx_dtx_handler(st->dtx_encSt, vad_flag, mode);
-		*ser_size = nb_of_bits[*mode];
-	}
+    /* DTX processing */
+    if (allow_dtx != 0)
+    {
+        /* Note that mode may change here */
+        tx_dtx_handler(st->dtx_encSt, vad_flag, mode);
+        *ser_size = nb_of_bits[*mode];
+    }
 
-	if(*mode != MRDTX)
-	{
-		Parm_serial(vad_flag, 1, &prms);
-	}
-	/*------------------------------------------------------------------------*
-	 *  Perform LPC analysis                                                  *
-	 *  ~~~~~~~~~~~~~~~~~~~~                                                  *
-	 *   - autocorrelation + lag windowing                                    *
-	 *   - Levinson-durbin algorithm to find a[]                              *
-	 *   - convert a[] to isp[]                                               *
-	 *   - convert isp[] to isf[] for quantization                            *
-	 *   - quantize and code the isf[]                                        *
-	 *   - convert isf[] to isp[] for interpolation                           *
-	 *   - find the interpolated ISPs and convert to a[] for the 4 subframes  *
-	 *------------------------------------------------------------------------*/
+    if(*mode != MRDTX)
+    {
+        Parm_serial(vad_flag, 1, &prms);
+    }
+    /*------------------------------------------------------------------------*
+     *  Perform LPC analysis                                                  *
+     *  ~~~~~~~~~~~~~~~~~~~~                                                  *
+     *   - autocorrelation + lag windowing                                    *
+     *   - Levinson-durbin algorithm to find a[]                              *
+     *   - convert a[] to isp[]                                               *
+     *   - convert isp[] to isf[] for quantization                            *
+     *   - quantize and code the isf[]                                        *
+     *   - convert isf[] to isp[] for interpolation                           *
+     *   - find the interpolated ISPs and convert to a[] for the 4 subframes  *
+     *------------------------------------------------------------------------*/
 
-	/* LP analysis centered at 4nd subframe */
-	Autocorr(p_window, M, r_h, r_l);                        /* Autocorrelations */
-	Lag_window(r_h, r_l);                                   /* Lag windowing    */
-	Levinson(r_h, r_l, A, rc, st->mem_levinson);            /* Levinson Durbin  */
-	Az_isp(A, ispnew, st->ispold);                          /* From A(z) to ISP */
+    /* LP analysis centered at 4nd subframe */
+    Autocorr(p_window, M, r_h, r_l);                        /* Autocorrelations */
+    Lag_window(r_h, r_l);                                   /* Lag windowing    */
+    Levinson(r_h, r_l, A, rc, st->mem_levinson);            /* Levinson Durbin  */
+    Az_isp(A, ispnew, st->ispold);                          /* From A(z) to ISP */
 
-	/* Find the interpolated ISPs and convert to a[] for all subframes */
-	Int_isp(st->ispold, ispnew, interpol_frac, A);
+    /* Find the interpolated ISPs and convert to a[] for all subframes */
+    Int_isp(st->ispold, ispnew, interpol_frac, A);
 
-	/* update ispold[] for the next frame */
-	Copy(ispnew, st->ispold, M);
+    /* update ispold[] for the next frame */
+    Copy(ispnew, st->ispold, M);
 
-	/* Convert ISPs to frequency domain 0..6400 */
-	Isp_isf(ispnew, isf, M);
+    /* Convert ISPs to frequency domain 0..6400 */
+    Isp_isf(ispnew, isf, M);
 
-	/* check resonance for pitch clipping algorithm */
-	Gp_clip_test_isf(isf, st->gp_clip);
+    /* check resonance for pitch clipping algorithm */
+    Gp_clip_test_isf(isf, st->gp_clip);
 
-	/*----------------------------------------------------------------------*
-	 *  Perform PITCH_OL analysis                                           *
-	 *  ~~~~~~~~~~~~~~~~~~~~~~~~~                                           *
-	 * - Find the residual res[] for the whole speech frame                 *
-	 * - Find the weighted input speech wsp[] for the whole speech frame    *
-	 * - scale wsp[] to avoid overflow in pitch estimation                  *
-	 * - Find open loop pitch lag for whole speech frame                    *
-	 *----------------------------------------------------------------------*/
-	p_A = A;
-	for (i_subfr = 0; i_subfr < L_FRAME; i_subfr += L_SUBFR)
-	{
-		/* Weighting of LPC coefficients */
-		Weight_a(p_A, Ap, GAMMA1, M);
+    /*----------------------------------------------------------------------*
+     *  Perform PITCH_OL analysis                                           *
+     *  ~~~~~~~~~~~~~~~~~~~~~~~~~                                           *
+     * - Find the residual res[] for the whole speech frame                 *
+     * - Find the weighted input speech wsp[] for the whole speech frame    *
+     * - scale wsp[] to avoid overflow in pitch estimation                  *
+     * - Find open loop pitch lag for whole speech frame                    *
+     *----------------------------------------------------------------------*/
+    p_A = A;
+    for (i_subfr = 0; i_subfr < L_FRAME; i_subfr += L_SUBFR)
+    {
+        /* Weighting of LPC coefficients */
+        Weight_a(p_A, Ap, GAMMA1, M);
 
 #ifdef ASM_OPT                    /* asm optimization branch */
-		Residu_opt(Ap, &speech[i_subfr], &wsp[i_subfr], L_SUBFR);
+        Residu_opt(Ap, &speech[i_subfr], &wsp[i_subfr], L_SUBFR);
 #else
-		Residu(Ap, &speech[i_subfr], &wsp[i_subfr], L_SUBFR);
+        Residu(Ap, &speech[i_subfr], &wsp[i_subfr], L_SUBFR);
 #endif
 
-		p_A += (M + 1);
-	}
+        p_A += (M + 1);
+    }
 
-	Deemph2(wsp, TILT_FAC, L_FRAME, &(st->mem_wsp));
+    Deemph2(wsp, TILT_FAC, L_FRAME, &(st->mem_wsp));
 
-	/* find maximum value on wsp[] for 12 bits scaling */
-	max = 0;
-	for (i = 0; i < L_FRAME; i++)
-	{
-		tmp = abs_s(wsp[i]);
-		if(tmp > max)
-		{
-			max = tmp;
-		}
-	}
-	tmp = st->old_wsp_max;
-	if(max > tmp)
-	{
-		tmp = max;                         /* tmp = max(wsp_max, old_wsp_max) */
-	}
-	st->old_wsp_max = max;
+    /* find maximum value on wsp[] for 12 bits scaling */
+    max = 0;
+    for (i = 0; i < L_FRAME; i++)
+    {
+        tmp = abs_s(wsp[i]);
+        if(tmp > max)
+        {
+            max = tmp;
+        }
+    }
+    tmp = st->old_wsp_max;
+    if(max > tmp)
+    {
+        tmp = max;                         /* tmp = max(wsp_max, old_wsp_max) */
+    }
+    st->old_wsp_max = max;
 
-	shift = norm_s(tmp) - 3;
-	if (shift > 0)
-	{
-		shift = 0;                         /* shift = 0..-3 */
-	}
-	/* decimation of wsp[] to search pitch in LF and to reduce complexity */
-	LP_Decim2(wsp, L_FRAME, st->mem_decim2);
+    shift = norm_s(tmp) - 3;
+    if (shift > 0)
+    {
+        shift = 0;                         /* shift = 0..-3 */
+    }
+    /* decimation of wsp[] to search pitch in LF and to reduce complexity */
+    LP_Decim2(wsp, L_FRAME, st->mem_decim2);
 
-	/* scale wsp[] in 12 bits to avoid overflow */
+    /* scale wsp[] in 12 bits to avoid overflow */
 #ifdef  ASM_OPT                  /* asm optimization branch */
-	Scale_sig_opt(wsp, L_FRAME / OPL_DECIM, shift);
+    Scale_sig_opt(wsp, L_FRAME / OPL_DECIM, shift);
 #else
-	Scale_sig(wsp, L_FRAME / OPL_DECIM, shift);
+    Scale_sig(wsp, L_FRAME / OPL_DECIM, shift);
 #endif
-	/* scale old_wsp (warning: exp must be Q_new-Q_old) */
-	exp = exp + (shift - st->old_wsp_shift);
-	st->old_wsp_shift = shift;
+    /* scale old_wsp (warning: exp must be Q_new-Q_old) */
+    exp = exp + (shift - st->old_wsp_shift);
+    st->old_wsp_shift = shift;
 
-	Scale_sig(old_wsp, PIT_MAX / OPL_DECIM, exp);
-	Scale_sig(st->old_hp_wsp, PIT_MAX / OPL_DECIM, exp);
+    Scale_sig(old_wsp, PIT_MAX / OPL_DECIM, exp);
+    Scale_sig(st->old_hp_wsp, PIT_MAX / OPL_DECIM, exp);
 
-	scale_mem_Hp_wsp(st->hp_wsp_mem, exp);
+    scale_mem_Hp_wsp(st->hp_wsp_mem, exp);
 
-	/* Find open loop pitch lag for whole speech frame */
+    /* Find open loop pitch lag for whole speech frame */
 
-	if(*ser_size == NBBITS_7k)
-	{
-		/* Find open loop pitch lag for whole speech frame */
-		T_op = Pitch_med_ol(wsp, st, L_FRAME / OPL_DECIM);
-	} else
-	{
-		/* Find open loop pitch lag for first 1/2 frame */
-		T_op = Pitch_med_ol(wsp, st, (L_FRAME/2) / OPL_DECIM);
-	}
+    if(*ser_size == NBBITS_7k)
+    {
+        /* Find open loop pitch lag for whole speech frame */
+        T_op = Pitch_med_ol(wsp, st, L_FRAME / OPL_DECIM);
+    } else
+    {
+        /* Find open loop pitch lag for first 1/2 frame */
+        T_op = Pitch_med_ol(wsp, st, (L_FRAME/2) / OPL_DECIM);
+    }
 
-	if(st->ol_gain > 19661)       /* 0.6 in Q15 */
-	{
-		st->old_T0_med = Med_olag(T_op, st->old_ol_lag);
-		st->ada_w = 32767;
-	} else
-	{
-		st->ada_w = vo_mult(st->ada_w, 29491);
-	}
+    if(st->ol_gain > 19661)       /* 0.6 in Q15 */
+    {
+        st->old_T0_med = Med_olag(T_op, st->old_ol_lag);
+        st->ada_w = 32767;
+    } else
+    {
+        st->ada_w = vo_mult(st->ada_w, 29491);
+    }
 
-	if(st->ada_w < 26214)
-		st->ol_wght_flg = 0;
-	else
-		st->ol_wght_flg = 1;
+    if(st->ada_w < 26214)
+        st->ol_wght_flg = 0;
+    else
+        st->ol_wght_flg = 1;
 
-	wb_vad_tone_detection(st->vadSt, st->ol_gain);
-	T_op *= OPL_DECIM;
+    wb_vad_tone_detection(st->vadSt, st->ol_gain);
+    T_op *= OPL_DECIM;
 
-	if(*ser_size != NBBITS_7k)
-	{
-		/* Find open loop pitch lag for second 1/2 frame */
-		T_op2 = Pitch_med_ol(wsp + ((L_FRAME / 2) / OPL_DECIM), st, (L_FRAME/2) / OPL_DECIM);
+    if(*ser_size != NBBITS_7k)
+    {
+        /* Find open loop pitch lag for second 1/2 frame */
+        T_op2 = Pitch_med_ol(wsp + ((L_FRAME / 2) / OPL_DECIM), st, (L_FRAME/2) / OPL_DECIM);
 
-		if(st->ol_gain > 19661)   /* 0.6 in Q15 */
-		{
-			st->old_T0_med = Med_olag(T_op2, st->old_ol_lag);
-			st->ada_w = 32767;
-		} else
-		{
-			st->ada_w = mult(st->ada_w, 29491);
-		}
+        if(st->ol_gain > 19661)   /* 0.6 in Q15 */
+        {
+            st->old_T0_med = Med_olag(T_op2, st->old_ol_lag);
+            st->ada_w = 32767;
+        } else
+        {
+            st->ada_w = mult(st->ada_w, 29491);
+        }
 
-		if(st->ada_w < 26214)
-			st->ol_wght_flg = 0;
-		else
-			st->ol_wght_flg = 1;
+        if(st->ada_w < 26214)
+            st->ol_wght_flg = 0;
+        else
+            st->ol_wght_flg = 1;
 
-		wb_vad_tone_detection(st->vadSt, st->ol_gain);
+        wb_vad_tone_detection(st->vadSt, st->ol_gain);
 
-		T_op2 *= OPL_DECIM;
+        T_op2 *= OPL_DECIM;
 
-	} else
-	{
-		T_op2 = T_op;
-	}
-	/*----------------------------------------------------------------------*
-	 *                              DTX-CNG                                 *
-	 *----------------------------------------------------------------------*/
-	if(*mode == MRDTX)            /* CNG mode */
-	{
-		/* Buffer isf's and energy */
+    } else
+    {
+        T_op2 = T_op;
+    }
+    /*----------------------------------------------------------------------*
+     *                              DTX-CNG                                 *
+     *----------------------------------------------------------------------*/
+    if(*mode == MRDTX)            /* CNG mode */
+    {
+        /* Buffer isf's and energy */
 #ifdef ASM_OPT                   /* asm optimization branch */
-		Residu_opt(&A[3 * (M + 1)], speech, exc, L_FRAME);
+        Residu_opt(&A[3 * (M + 1)], speech, exc, L_FRAME);
 #else
-		Residu(&A[3 * (M + 1)], speech, exc, L_FRAME);
+        Residu(&A[3 * (M + 1)], speech, exc, L_FRAME);
 #endif
 
-		for (i = 0; i < L_FRAME; i++)
-		{
-			exc2[i] = shr(exc[i], Q_new);
-		}
+        for (i = 0; i < L_FRAME; i++)
+        {
+            exc2[i] = shr(exc[i], Q_new);
+        }
 
-		L_tmp = 0;
-		for (i = 0; i < L_FRAME; i++)
-			L_tmp += (exc2[i] * exc2[i])<<1;
+        L_tmp = 0;
+        for (i = 0; i < L_FRAME; i++)
+            L_tmp += (exc2[i] * exc2[i])<<1;
 
-		L_tmp >>= 1;
+        L_tmp >>= 1;
 
-		dtx_buffer(st->dtx_encSt, isf, L_tmp, codec_mode);
+        dtx_buffer(st->dtx_encSt, isf, L_tmp, codec_mode);
 
-		/* Quantize and code the ISFs */
-		dtx_enc(st->dtx_encSt, isf, exc2, &prms);
+        /* Quantize and code the ISFs */
+        dtx_enc(st->dtx_encSt, isf, exc2, &prms);
 
-		/* Convert ISFs to the cosine domain */
-		Isf_isp(isf, ispnew_q, M);
-		Isp_Az(ispnew_q, Aq, M, 0);
+        /* Convert ISFs to the cosine domain */
+        Isf_isp(isf, ispnew_q, M);
+        Isp_Az(ispnew_q, Aq, M, 0);
 
-		for (i_subfr = 0; i_subfr < L_FRAME; i_subfr += L_SUBFR)
-		{
-			corr_gain = synthesis(Aq, &exc2[i_subfr], 0, &speech16k[i_subfr * 5 / 4], st);
-		}
-		Copy(isf, st->isfold, M);
+        for (i_subfr = 0; i_subfr < L_FRAME; i_subfr += L_SUBFR)
+        {
+            corr_gain = synthesis(Aq, &exc2[i_subfr], 0, &speech16k[i_subfr * 5 / 4], st);
+        }
+        Copy(isf, st->isfold, M);
 
-		/* reset speech coder memories */
-		Reset_encoder(st, 0);
+        /* reset speech coder memories */
+        Reset_encoder(st, 0);
 
-		/*--------------------------------------------------*
-		 * Update signal for next frame.                    *
-		 * -> save past of speech[] and wsp[].              *
-		 *--------------------------------------------------*/
+        /*--------------------------------------------------*
+         * Update signal for next frame.                    *
+         * -> save past of speech[] and wsp[].              *
+         *--------------------------------------------------*/
 
-		Copy(&old_speech[L_FRAME], st->old_speech, L_TOTAL - L_FRAME);
-		Copy(&old_wsp[L_FRAME / OPL_DECIM], st->old_wsp, PIT_MAX / OPL_DECIM);
+        Copy(&old_speech[L_FRAME], st->old_speech, L_TOTAL - L_FRAME);
+        Copy(&old_wsp[L_FRAME / OPL_DECIM], st->old_wsp, PIT_MAX / OPL_DECIM);
 
-		return;
-	}
-	/*----------------------------------------------------------------------*
-	 *                               ACELP                                  *
-	 *----------------------------------------------------------------------*/
+        return;
+    }
+    /*----------------------------------------------------------------------*
+     *                               ACELP                                  *
+     *----------------------------------------------------------------------*/
 
-	/* Quantize and code the ISFs */
+    /* Quantize and code the ISFs */
 
-	if (*ser_size <= NBBITS_7k)
-	{
-		Qpisf_2s_36b(isf, isf, st->past_isfq, indice, 4);
+    if (*ser_size <= NBBITS_7k)
+    {
+        Qpisf_2s_36b(isf, isf, st->past_isfq, indice, 4);
 
-		Parm_serial(indice[0], 8, &prms);
-		Parm_serial(indice[1], 8, &prms);
-		Parm_serial(indice[2], 7, &prms);
-		Parm_serial(indice[3], 7, &prms);
-		Parm_serial(indice[4], 6, &prms);
-	} else
-	{
-		Qpisf_2s_46b(isf, isf, st->past_isfq, indice, 4);
+        Parm_serial(indice[0], 8, &prms);
+        Parm_serial(indice[1], 8, &prms);
+        Parm_serial(indice[2], 7, &prms);
+        Parm_serial(indice[3], 7, &prms);
+        Parm_serial(indice[4], 6, &prms);
+    } else
+    {
+        Qpisf_2s_46b(isf, isf, st->past_isfq, indice, 4);
 
-		Parm_serial(indice[0], 8, &prms);
-		Parm_serial(indice[1], 8, &prms);
-		Parm_serial(indice[2], 6, &prms);
-		Parm_serial(indice[3], 7, &prms);
-		Parm_serial(indice[4], 7, &prms);
-		Parm_serial(indice[5], 5, &prms);
-		Parm_serial(indice[6], 5, &prms);
-	}
+        Parm_serial(indice[0], 8, &prms);
+        Parm_serial(indice[1], 8, &prms);
+        Parm_serial(indice[2], 6, &prms);
+        Parm_serial(indice[3], 7, &prms);
+        Parm_serial(indice[4], 7, &prms);
+        Parm_serial(indice[5], 5, &prms);
+        Parm_serial(indice[6], 5, &prms);
+    }
 
-	/* Check stability on isf : distance between old isf and current isf */
+    /* Check stability on isf : distance between old isf and current isf */
 
-	L_tmp = 0;
-	for (i = 0; i < M - 1; i++)
-	{
-		tmp = vo_sub(isf[i], st->isfold[i]);
-		L_tmp += (tmp * tmp)<<1;
-	}
+    L_tmp = 0;
+    for (i = 0; i < M - 1; i++)
+    {
+        tmp = vo_sub(isf[i], st->isfold[i]);
+        L_tmp += (tmp * tmp)<<1;
+    }
 
-	tmp = extract_h(L_shl2(L_tmp, 8));
+    tmp = extract_h(L_shl2(L_tmp, 8));
 
-	tmp = vo_mult(tmp, 26214);                /* tmp = L_tmp*0.8/256 */
-	tmp = vo_sub(20480, tmp);                 /* 1.25 - tmp (in Q14) */
+    tmp = vo_mult(tmp, 26214);                /* tmp = L_tmp*0.8/256 */
+    tmp = vo_sub(20480, tmp);                 /* 1.25 - tmp (in Q14) */
 
-	stab_fac = shl(tmp, 1);
+    stab_fac = shl(tmp, 1);
 
-	if (stab_fac < 0)
-	{
-		stab_fac = 0;
-	}
-	Copy(isf, st->isfold, M);
+    if (stab_fac < 0)
+    {
+        stab_fac = 0;
+    }
+    Copy(isf, st->isfold, M);
 
-	/* Convert ISFs to the cosine domain */
-	Isf_isp(isf, ispnew_q, M);
+    /* Convert ISFs to the cosine domain */
+    Isf_isp(isf, ispnew_q, M);
 
-	if (st->first_frame != 0)
-	{
-		st->first_frame = 0;
-		Copy(ispnew_q, st->ispold_q, M);
-	}
-	/* Find the interpolated ISPs and convert to a[] for all subframes */
+    if (st->first_frame != 0)
+    {
+        st->first_frame = 0;
+        Copy(ispnew_q, st->ispold_q, M);
+    }
+    /* Find the interpolated ISPs and convert to a[] for all subframes */
 
-	Int_isp(st->ispold_q, ispnew_q, interpol_frac, Aq);
+    Int_isp(st->ispold_q, ispnew_q, interpol_frac, Aq);
 
-	/* update ispold[] for the next frame */
-	Copy(ispnew_q, st->ispold_q, M);
+    /* update ispold[] for the next frame */
+    Copy(ispnew_q, st->ispold_q, M);
 
-	p_Aq = Aq;
-	for (i_subfr = 0; i_subfr < L_FRAME; i_subfr += L_SUBFR)
-	{
+    p_Aq = Aq;
+    for (i_subfr = 0; i_subfr < L_FRAME; i_subfr += L_SUBFR)
+    {
 #ifdef ASM_OPT               /* asm optimization branch */
-		Residu_opt(p_Aq, &speech[i_subfr], &exc[i_subfr], L_SUBFR);
+        Residu_opt(p_Aq, &speech[i_subfr], &exc[i_subfr], L_SUBFR);
 #else
-		Residu(p_Aq, &speech[i_subfr], &exc[i_subfr], L_SUBFR);
+        Residu(p_Aq, &speech[i_subfr], &exc[i_subfr], L_SUBFR);
 #endif
-		p_Aq += (M + 1);
-	}
+        p_Aq += (M + 1);
+    }
 
-	/* Buffer isf's and energy for dtx on non-speech frame */
-	if (vad_flag == 0)
-	{
-		for (i = 0; i < L_FRAME; i++)
-		{
-			exc2[i] = exc[i] >> Q_new;
-		}
-		L_tmp = 0;
-		for (i = 0; i < L_FRAME; i++)
-			L_tmp += (exc2[i] * exc2[i])<<1;
-		L_tmp >>= 1;
+    /* Buffer isf's and energy for dtx on non-speech frame */
+    if (vad_flag == 0)
+    {
+        for (i = 0; i < L_FRAME; i++)
+        {
+            exc2[i] = exc[i] >> Q_new;
+        }
+        L_tmp = 0;
+        for (i = 0; i < L_FRAME; i++)
+            L_tmp += (exc2[i] * exc2[i])<<1;
+        L_tmp >>= 1;
 
-		dtx_buffer(st->dtx_encSt, isf, L_tmp, codec_mode);
-	}
-	/* range for closed loop pitch search in 1st subframe */
+        dtx_buffer(st->dtx_encSt, isf, L_tmp, codec_mode);
+    }
+    /* range for closed loop pitch search in 1st subframe */
 
-	T0_min = T_op - 8;
-	if (T0_min < PIT_MIN)
-	{
-		T0_min = PIT_MIN;
-	}
-	T0_max = (T0_min + 15);
+    T0_min = T_op - 8;
+    if (T0_min < PIT_MIN)
+    {
+        T0_min = PIT_MIN;
+    }
+    T0_max = (T0_min + 15);
 
-	if(T0_max > PIT_MAX)
-	{
-		T0_max = PIT_MAX;
-		T0_min = T0_max - 15;
-	}
-	/*------------------------------------------------------------------------*
-	 *          Loop for every subframe in the analysis frame                 *
-	 *------------------------------------------------------------------------*
-	 *  To find the pitch and innovation parameters. The subframe size is     *
-	 *  L_SUBFR and the loop is repeated L_FRAME/L_SUBFR times.               *
-	 *     - compute the target signal for pitch search                       *
-	 *     - compute impulse response of weighted synthesis filter (h1[])     *
-	 *     - find the closed-loop pitch parameters                            *
-	 *     - encode the pitch dealy                                           *
-	 *     - find 2 lt prediction (with / without LP filter for lt pred)      *
-	 *     - find 2 pitch gains and choose the best lt prediction.            *
-	 *     - find target vector for codebook search                           *
-	 *     - update the impulse response h1[] for codebook search             *
-	 *     - correlation between target vector and impulse response           *
-	 *     - codebook search and encoding                                     *
-	 *     - VQ of pitch and codebook gains                                   *
-	 *     - find voicing factor and tilt of code for next subframe.          *
-	 *     - update states of weighting filter                                *
-	 *     - find excitation and synthesis speech                             *
-	 *------------------------------------------------------------------------*/
-	p_A = A;
-	p_Aq = Aq;
-	for (i_subfr = 0; i_subfr < L_FRAME; i_subfr += L_SUBFR)
-	{
-		pit_flag = i_subfr;
-		if ((i_subfr == 2 * L_SUBFR) && (*ser_size > NBBITS_7k))
-		{
-			pit_flag = 0;
-			/* range for closed loop pitch search in 3rd subframe */
-			T0_min = (T_op2 - 8);
+    if(T0_max > PIT_MAX)
+    {
+        T0_max = PIT_MAX;
+        T0_min = T0_max - 15;
+    }
+    /*------------------------------------------------------------------------*
+     *          Loop for every subframe in the analysis frame                 *
+     *------------------------------------------------------------------------*
+     *  To find the pitch and innovation parameters. The subframe size is     *
+     *  L_SUBFR and the loop is repeated L_FRAME/L_SUBFR times.               *
+     *     - compute the target signal for pitch search                       *
+     *     - compute impulse response of weighted synthesis filter (h1[])     *
+     *     - find the closed-loop pitch parameters                            *
+     *     - encode the pitch dealy                                           *
+     *     - find 2 lt prediction (with / without LP filter for lt pred)      *
+     *     - find 2 pitch gains and choose the best lt prediction.            *
+     *     - find target vector for codebook search                           *
+     *     - update the impulse response h1[] for codebook search             *
+     *     - correlation between target vector and impulse response           *
+     *     - codebook search and encoding                                     *
+     *     - VQ of pitch and codebook gains                                   *
+     *     - find voicing factor and tilt of code for next subframe.          *
+     *     - update states of weighting filter                                *
+     *     - find excitation and synthesis speech                             *
+     *------------------------------------------------------------------------*/
+    p_A = A;
+    p_Aq = Aq;
+    for (i_subfr = 0; i_subfr < L_FRAME; i_subfr += L_SUBFR)
+    {
+        pit_flag = i_subfr;
+        if ((i_subfr == 2 * L_SUBFR) && (*ser_size > NBBITS_7k))
+        {
+            pit_flag = 0;
+            /* range for closed loop pitch search in 3rd subframe */
+            T0_min = (T_op2 - 8);
 
-			if (T0_min < PIT_MIN)
-			{
-				T0_min = PIT_MIN;
-			}
-			T0_max = (T0_min + 15);
-			if (T0_max > PIT_MAX)
-			{
-				T0_max = PIT_MAX;
-				T0_min = (T0_max - 15);
-			}
-		}
-		/*-----------------------------------------------------------------------*
-		 *                                                                       *
-		 *        Find the target vector for pitch search:                       *
-		 *        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~                        *
-		 *                                                                       *
-		 *             |------|  res[n]                                          *
-		 * speech[n]---| A(z) |--------                                          *
-		 *             |------|       |   |--------| error[n]  |------|          *
-		 *                   zero -- (-)--| 1/A(z) |-----------| W(z) |-- target *
-		 *                   exc          |--------|           |------|          *
-		 *                                                                       *
-		 * Instead of subtracting the zero-input response of filters from        *
-		 * the weighted input speech, the above configuration is used to         *
-		 * compute the target vector.                                            *
-		 *                                                                       *
-		 *-----------------------------------------------------------------------*/
+            if (T0_min < PIT_MIN)
+            {
+                T0_min = PIT_MIN;
+            }
+            T0_max = (T0_min + 15);
+            if (T0_max > PIT_MAX)
+            {
+                T0_max = PIT_MAX;
+                T0_min = (T0_max - 15);
+            }
+        }
+        /*-----------------------------------------------------------------------*
+         *                                                                       *
+         *        Find the target vector for pitch search:                       *
+         *        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~                        *
+         *                                                                       *
+         *             |------|  res[n]                                          *
+         * speech[n]---| A(z) |--------                                          *
+         *             |------|       |   |--------| error[n]  |------|          *
+         *                   zero -- (-)--| 1/A(z) |-----------| W(z) |-- target *
+         *                   exc          |--------|           |------|          *
+         *                                                                       *
+         * Instead of subtracting the zero-input response of filters from        *
+         * the weighted input speech, the above configuration is used to         *
+         * compute the target vector.                                            *
+         *                                                                       *
+         *-----------------------------------------------------------------------*/
 
-		for (i = 0; i < M; i++)
-		{
-			error[i] = vo_sub(speech[i + i_subfr - M], st->mem_syn[i]);
-		}
+        for (i = 0; i < M; i++)
+        {
+            error[i] = vo_sub(speech[i + i_subfr - M], st->mem_syn[i]);
+        }
 
 #ifdef ASM_OPT              /* asm optimization branch */
-		Residu_opt(p_Aq, &speech[i_subfr], &exc[i_subfr], L_SUBFR);
+        Residu_opt(p_Aq, &speech[i_subfr], &exc[i_subfr], L_SUBFR);
 #else
-		Residu(p_Aq, &speech[i_subfr], &exc[i_subfr], L_SUBFR);
+        Residu(p_Aq, &speech[i_subfr], &exc[i_subfr], L_SUBFR);
 #endif
-		Syn_filt(p_Aq, &exc[i_subfr], error + M, L_SUBFR, error, 0);
-		Weight_a(p_A, Ap, GAMMA1, M);
+        Syn_filt(p_Aq, &exc[i_subfr], error + M, L_SUBFR, error, 0);
+        Weight_a(p_A, Ap, GAMMA1, M);
 
 #ifdef ASM_OPT             /* asm optimization branch */
-		Residu_opt(Ap, error + M, xn, L_SUBFR);
+        Residu_opt(Ap, error + M, xn, L_SUBFR);
 #else
-		Residu(Ap, error + M, xn, L_SUBFR);
+        Residu(Ap, error + M, xn, L_SUBFR);
 #endif
-		Deemph2(xn, TILT_FAC, L_SUBFR, &(st->mem_w0));
+        Deemph2(xn, TILT_FAC, L_SUBFR, &(st->mem_w0));
 
-		/*----------------------------------------------------------------------*
-		 * Find approx. target in residual domain "cn[]" for inovation search.  *
-		 *----------------------------------------------------------------------*/
-		/* first half: xn[] --> cn[] */
-		Set_zero(code, M);
-		Copy(xn, code + M, L_SUBFR / 2);
-		tmp = 0;
-		Preemph2(code + M, TILT_FAC, L_SUBFR / 2, &tmp);
-		Weight_a(p_A, Ap, GAMMA1, M);
-		Syn_filt(Ap,code + M, code + M, L_SUBFR / 2, code, 0);
+        /*----------------------------------------------------------------------*
+         * Find approx. target in residual domain "cn[]" for inovation search.  *
+         *----------------------------------------------------------------------*/
+        /* first half: xn[] --> cn[] */
+        Set_zero(code, M);
+        Copy(xn, code + M, L_SUBFR / 2);
+        tmp = 0;
+        Preemph2(code + M, TILT_FAC, L_SUBFR / 2, &tmp);
+        Weight_a(p_A, Ap, GAMMA1, M);
+        Syn_filt(Ap,code + M, code + M, L_SUBFR / 2, code, 0);
 
 #ifdef ASM_OPT                /* asm optimization branch */
-		Residu_opt(p_Aq,code + M, cn, L_SUBFR / 2);
+        Residu_opt(p_Aq,code + M, cn, L_SUBFR / 2);
 #else
-		Residu(p_Aq,code + M, cn, L_SUBFR / 2);
+        Residu(p_Aq,code + M, cn, L_SUBFR / 2);
 #endif
 
-		/* second half: res[] --> cn[] (approximated and faster) */
-		Copy(&exc[i_subfr + (L_SUBFR / 2)], cn + (L_SUBFR / 2), L_SUBFR / 2);
+        /* second half: res[] --> cn[] (approximated and faster) */
+        Copy(&exc[i_subfr + (L_SUBFR / 2)], cn + (L_SUBFR / 2), L_SUBFR / 2);
 
-		/*---------------------------------------------------------------*
-		 * Compute impulse response, h1[], of weighted synthesis filter  *
-		 *---------------------------------------------------------------*/
+        /*---------------------------------------------------------------*
+         * Compute impulse response, h1[], of weighted synthesis filter  *
+         *---------------------------------------------------------------*/
 
-		Set_zero(error, M + L_SUBFR);
-		Weight_a(p_A, error + M, GAMMA1, M);
+        Set_zero(error, M + L_SUBFR);
+        Weight_a(p_A, error + M, GAMMA1, M);
 
-		vo_p0 = error+M;
-		vo_p3 = h1;
-		for (i = 0; i < L_SUBFR; i++)
-		{
-			L_tmp = *vo_p0 << 14;        /* x4 (Q12 to Q14) */
-			vo_p1 = p_Aq + 1;
-			vo_p2 = vo_p0-1;
-			for (j = 1; j <= M/4; j++)
-			{
-				L_tmp -= *vo_p1++ * *vo_p2--;
-				L_tmp -= *vo_p1++ * *vo_p2--;
-				L_tmp -= *vo_p1++ * *vo_p2--;
-				L_tmp -= *vo_p1++ * *vo_p2--;
-			}
-			*vo_p3++ = *vo_p0++ = vo_round((L_tmp <<4));
-		}
-		/* deemph without division by 2 -> Q14 to Q15 */
-		tmp = 0;
-		Deemph2(h1, TILT_FAC, L_SUBFR, &tmp);   /* h1 in Q14 */
+        vo_p0 = error+M;
+        vo_p3 = h1;
+        for (i = 0; i < L_SUBFR; i++)
+        {
+            L_tmp = *vo_p0 << 14;        /* x4 (Q12 to Q14) */
+            vo_p1 = p_Aq + 1;
+            vo_p2 = vo_p0-1;
+            for (j = 1; j <= M/4; j++)
+            {
+                L_tmp -= *vo_p1++ * *vo_p2--;
+                L_tmp -= *vo_p1++ * *vo_p2--;
+                L_tmp -= *vo_p1++ * *vo_p2--;
+                L_tmp -= *vo_p1++ * *vo_p2--;
+            }
+            *vo_p3++ = *vo_p0++ = vo_round((L_tmp <<4));
+        }
+        /* deemph without division by 2 -> Q14 to Q15 */
+        tmp = 0;
+        Deemph2(h1, TILT_FAC, L_SUBFR, &tmp);   /* h1 in Q14 */
 
-		/* h2 in Q12 for codebook search */
-		Copy(h1, h2, L_SUBFR);
+        /* h2 in Q12 for codebook search */
+        Copy(h1, h2, L_SUBFR);
 
-		/*---------------------------------------------------------------*
-		 * scale xn[] and h1[] to avoid overflow in dot_product12()      *
-		 *---------------------------------------------------------------*/
+        /*---------------------------------------------------------------*
+         * scale xn[] and h1[] to avoid overflow in dot_product12()      *
+         *---------------------------------------------------------------*/
 #ifdef  ASM_OPT                  /* asm optimization branch */
-		Scale_sig_opt(h2, L_SUBFR, -2);
-		Scale_sig_opt(xn, L_SUBFR, shift);     /* scaling of xn[] to limit dynamic at 12 bits */
-		Scale_sig_opt(h1, L_SUBFR, 1 + shift);  /* set h1[] in Q15 with scaling for convolution */
+        Scale_sig_opt(h2, L_SUBFR, -2);
+        Scale_sig_opt(xn, L_SUBFR, shift);     /* scaling of xn[] to limit dynamic at 12 bits */
+        Scale_sig_opt(h1, L_SUBFR, 1 + shift);  /* set h1[] in Q15 with scaling for convolution */
 #else
-		Scale_sig(h2, L_SUBFR, -2);
-		Scale_sig(xn, L_SUBFR, shift);     /* scaling of xn[] to limit dynamic at 12 bits */
-		Scale_sig(h1, L_SUBFR, 1 + shift);  /* set h1[] in Q15 with scaling for convolution */
+        Scale_sig(h2, L_SUBFR, -2);
+        Scale_sig(xn, L_SUBFR, shift);     /* scaling of xn[] to limit dynamic at 12 bits */
+        Scale_sig(h1, L_SUBFR, 1 + shift);  /* set h1[] in Q15 with scaling for convolution */
 #endif
-		/*----------------------------------------------------------------------*
-		 *                 Closed-loop fractional pitch search                  *
-		 *----------------------------------------------------------------------*/
-		/* find closed loop fractional pitch  lag */
-		if(*ser_size <= NBBITS_9k)
-		{
-			T0 = Pitch_fr4(&exc[i_subfr], xn, h1, T0_min, T0_max, &T0_frac,
-					pit_flag, PIT_MIN, PIT_FR1_8b, L_SUBFR);
+        /*----------------------------------------------------------------------*
+         *                 Closed-loop fractional pitch search                  *
+         *----------------------------------------------------------------------*/
+        /* find closed loop fractional pitch  lag */
+        if(*ser_size <= NBBITS_9k)
+        {
+            T0 = Pitch_fr4(&exc[i_subfr], xn, h1, T0_min, T0_max, &T0_frac,
+                    pit_flag, PIT_MIN, PIT_FR1_8b, L_SUBFR);
 
-			/* encode pitch lag */
-			if (pit_flag == 0)             /* if 1st/3rd subframe */
-			{
-				/*--------------------------------------------------------------*
-				 * The pitch range for the 1st/3rd subframe is encoded with     *
-				 * 8 bits and is divided as follows:                            *
-				 *   PIT_MIN to PIT_FR1-1  resolution 1/2 (frac = 0 or 2)       *
-				 *   PIT_FR1 to PIT_MAX    resolution 1   (frac = 0)            *
-				 *--------------------------------------------------------------*/
-				if (T0 < PIT_FR1_8b)
-				{
-					index = ((T0 << 1) + (T0_frac >> 1) - (PIT_MIN<<1));
-				} else
-				{
-					index = ((T0 - PIT_FR1_8b) + ((PIT_FR1_8b - PIT_MIN)*2));
-				}
+            /* encode pitch lag */
+            if (pit_flag == 0)             /* if 1st/3rd subframe */
+            {
+                /*--------------------------------------------------------------*
+                 * The pitch range for the 1st/3rd subframe is encoded with     *
+                 * 8 bits and is divided as follows:                            *
+                 *   PIT_MIN to PIT_FR1-1  resolution 1/2 (frac = 0 or 2)       *
+                 *   PIT_FR1 to PIT_MAX    resolution 1   (frac = 0)            *
+                 *--------------------------------------------------------------*/
+                if (T0 < PIT_FR1_8b)
+                {
+                    index = ((T0 << 1) + (T0_frac >> 1) - (PIT_MIN<<1));
+                } else
+                {
+                    index = ((T0 - PIT_FR1_8b) + ((PIT_FR1_8b - PIT_MIN)*2));
+                }
 
-				Parm_serial(index, 8, &prms);
+                Parm_serial(index, 8, &prms);
 
-				/* find T0_min and T0_max for subframe 2 and 4 */
-				T0_min = (T0 - 8);
-				if (T0_min < PIT_MIN)
-				{
-					T0_min = PIT_MIN;
-				}
-				T0_max = T0_min + 15;
-				if (T0_max > PIT_MAX)
-				{
-					T0_max = PIT_MAX;
-					T0_min = (T0_max - 15);
-				}
-			} else
-			{                              /* if subframe 2 or 4 */
-				/*--------------------------------------------------------------*
-				 * The pitch range for subframe 2 or 4 is encoded with 5 bits:  *
-				 *   T0_min  to T0_max     resolution 1/2 (frac = 0 or 2)       *
-				 *--------------------------------------------------------------*/
-				i = (T0 - T0_min);
-				index = (i << 1) + (T0_frac >> 1);
+                /* find T0_min and T0_max for subframe 2 and 4 */
+                T0_min = (T0 - 8);
+                if (T0_min < PIT_MIN)
+                {
+                    T0_min = PIT_MIN;
+                }
+                T0_max = T0_min + 15;
+                if (T0_max > PIT_MAX)
+                {
+                    T0_max = PIT_MAX;
+                    T0_min = (T0_max - 15);
+                }
+            } else
+            {                              /* if subframe 2 or 4 */
+                /*--------------------------------------------------------------*
+                 * The pitch range for subframe 2 or 4 is encoded with 5 bits:  *
+                 *   T0_min  to T0_max     resolution 1/2 (frac = 0 or 2)       *
+                 *--------------------------------------------------------------*/
+                i = (T0 - T0_min);
+                index = (i << 1) + (T0_frac >> 1);
 
-				Parm_serial(index, 5, &prms);
-			}
-		} else
-		{
-			T0 = Pitch_fr4(&exc[i_subfr], xn, h1, T0_min, T0_max, &T0_frac,
-					pit_flag, PIT_FR2, PIT_FR1_9b, L_SUBFR);
+                Parm_serial(index, 5, &prms);
+            }
+        } else
+        {
+            T0 = Pitch_fr4(&exc[i_subfr], xn, h1, T0_min, T0_max, &T0_frac,
+                    pit_flag, PIT_FR2, PIT_FR1_9b, L_SUBFR);
 
-			/* encode pitch lag */
-			if (pit_flag == 0)             /* if 1st/3rd subframe */
-			{
-				/*--------------------------------------------------------------*
-				 * The pitch range for the 1st/3rd subframe is encoded with     *
-				 * 9 bits and is divided as follows:                            *
-				 *   PIT_MIN to PIT_FR2-1  resolution 1/4 (frac = 0,1,2 or 3)   *
-				 *   PIT_FR2 to PIT_FR1-1  resolution 1/2 (frac = 0 or 1)       *
-				 *   PIT_FR1 to PIT_MAX    resolution 1   (frac = 0)            *
-				 *--------------------------------------------------------------*/
+            /* encode pitch lag */
+            if (pit_flag == 0)             /* if 1st/3rd subframe */
+            {
+                /*--------------------------------------------------------------*
+                 * The pitch range for the 1st/3rd subframe is encoded with     *
+                 * 9 bits and is divided as follows:                            *
+                 *   PIT_MIN to PIT_FR2-1  resolution 1/4 (frac = 0,1,2 or 3)   *
+                 *   PIT_FR2 to PIT_FR1-1  resolution 1/2 (frac = 0 or 1)       *
+                 *   PIT_FR1 to PIT_MAX    resolution 1   (frac = 0)            *
+                 *--------------------------------------------------------------*/
 
-				if (T0 < PIT_FR2)
-				{
-					index = ((T0 << 2) + T0_frac) - (PIT_MIN << 2);
-				} else if(T0 < PIT_FR1_9b)
-				{
-					index = ((((T0 << 1) + (T0_frac >> 1)) - (PIT_FR2<<1)) + ((PIT_FR2 - PIT_MIN)<<2));
-				} else
-				{
-					index = (((T0 - PIT_FR1_9b) + ((PIT_FR2 - PIT_MIN)<<2)) + ((PIT_FR1_9b - PIT_FR2)<<1));
-				}
+                if (T0 < PIT_FR2)
+                {
+                    index = ((T0 << 2) + T0_frac) - (PIT_MIN << 2);
+                } else if(T0 < PIT_FR1_9b)
+                {
+                    index = ((((T0 << 1) + (T0_frac >> 1)) - (PIT_FR2<<1)) + ((PIT_FR2 - PIT_MIN)<<2));
+                } else
+                {
+                    index = (((T0 - PIT_FR1_9b) + ((PIT_FR2 - PIT_MIN)<<2)) + ((PIT_FR1_9b - PIT_FR2)<<1));
+                }
 
-				Parm_serial(index, 9, &prms);
+                Parm_serial(index, 9, &prms);
 
-				/* find T0_min and T0_max for subframe 2 and 4 */
+                /* find T0_min and T0_max for subframe 2 and 4 */
 
-				T0_min = (T0 - 8);
-				if (T0_min < PIT_MIN)
-				{
-					T0_min = PIT_MIN;
-				}
-				T0_max = T0_min + 15;
+                T0_min = (T0 - 8);
+                if (T0_min < PIT_MIN)
+                {
+                    T0_min = PIT_MIN;
+                }
+                T0_max = T0_min + 15;
 
-				if (T0_max > PIT_MAX)
-				{
-					T0_max = PIT_MAX;
-					T0_min = (T0_max - 15);
-				}
-			} else
-			{                              /* if subframe 2 or 4 */
-				/*--------------------------------------------------------------*
-				 * The pitch range for subframe 2 or 4 is encoded with 6 bits:  *
-				 *   T0_min  to T0_max     resolution 1/4 (frac = 0,1,2 or 3)   *
-				 *--------------------------------------------------------------*/
-				i = (T0 - T0_min);
-				index = (i << 2) + T0_frac;
-				Parm_serial(index, 6, &prms);
-			}
-		}
+                if (T0_max > PIT_MAX)
+                {
+                    T0_max = PIT_MAX;
+                    T0_min = (T0_max - 15);
+                }
+            } else
+            {                              /* if subframe 2 or 4 */
+                /*--------------------------------------------------------------*
+                 * The pitch range for subframe 2 or 4 is encoded with 6 bits:  *
+                 *   T0_min  to T0_max     resolution 1/4 (frac = 0,1,2 or 3)   *
+                 *--------------------------------------------------------------*/
+                i = (T0 - T0_min);
+                index = (i << 2) + T0_frac;
+                Parm_serial(index, 6, &prms);
+            }
+        }
 
-		/*-----------------------------------------------------------------*
-		 * Gain clipping test to avoid unstable synthesis on frame erasure *
-		 *-----------------------------------------------------------------*/
+        /*-----------------------------------------------------------------*
+         * Gain clipping test to avoid unstable synthesis on frame erasure *
+         *-----------------------------------------------------------------*/
 
-		clip_gain = 0;
-		if((st->gp_clip[0] < 154) && (st->gp_clip[1] > 14746))
-			clip_gain = 1;
+        clip_gain = 0;
+        if((st->gp_clip[0] < 154) && (st->gp_clip[1] > 14746))
+            clip_gain = 1;
 
-		/*-----------------------------------------------------------------*
-		 * - find unity gain pitch excitation (adaptive codebook entry)    *
-		 *   with fractional interpolation.                                *
-		 * - find filtered pitch exc. y1[]=exc[] convolved with h1[])      *
-		 * - compute pitch gain1                                           *
-		 *-----------------------------------------------------------------*/
-		/* find pitch exitation */
+        /*-----------------------------------------------------------------*
+         * - find unity gain pitch excitation (adaptive codebook entry)    *
+         *   with fractional interpolation.                                *
+         * - find filtered pitch exc. y1[]=exc[] convolved with h1[])      *
+         * - compute pitch gain1                                           *
+         *-----------------------------------------------------------------*/
+        /* find pitch exitation */
 #ifdef ASM_OPT                  /* asm optimization branch */
-		pred_lt4_asm(&exc[i_subfr], T0, T0_frac, L_SUBFR + 1);
+        pred_lt4_asm(&exc[i_subfr], T0, T0_frac, L_SUBFR + 1);
 #else
-		Pred_lt4(&exc[i_subfr], T0, T0_frac, L_SUBFR + 1);
+        Pred_lt4(&exc[i_subfr], T0, T0_frac, L_SUBFR + 1);
 #endif
-		if (*ser_size > NBBITS_9k)
-		{
+        if (*ser_size > NBBITS_9k)
+        {
 #ifdef ASM_OPT                   /* asm optimization branch */
-			Convolve_asm(&exc[i_subfr], h1, y1, L_SUBFR);
+            Convolve_asm(&exc[i_subfr], h1, y1, L_SUBFR);
 #else
-			Convolve(&exc[i_subfr], h1, y1, L_SUBFR);
+            Convolve(&exc[i_subfr], h1, y1, L_SUBFR);
 #endif
-			gain1 = G_pitch(xn, y1, g_coeff, L_SUBFR);
-			/* clip gain if necessary to avoid problem at decoder */
-			if ((clip_gain != 0) && (gain1 > GP_CLIP))
-			{
-				gain1 = GP_CLIP;
-			}
-			/* find energy of new target xn2[] */
-			Updt_tar(xn, dn, y1, gain1, L_SUBFR);       /* dn used temporary */
-		} else
-		{
-			gain1 = 0;
-		}
-		/*-----------------------------------------------------------------*
-		 * - find pitch excitation filtered by 1st order LP filter.        *
-		 * - find filtered pitch exc. y2[]=exc[] convolved with h1[])      *
-		 * - compute pitch gain2                                           *
-		 *-----------------------------------------------------------------*/
-		/* find pitch excitation with lp filter */
-		vo_p0 = exc + i_subfr-1;
-		vo_p1 = code;
-		/* find pitch excitation with lp filter */
-		for (i = 0; i < L_SUBFR/2; i++)
-		{
-			L_tmp = 5898 * *vo_p0++;
-			L_tmp1 = 5898 * *vo_p0;
-			L_tmp += 20972 * *vo_p0++;
-			L_tmp1 += 20972 * *vo_p0++;
-			L_tmp1 += 5898 * *vo_p0--;
-			L_tmp += 5898 * *vo_p0;
-			*vo_p1++ = (L_tmp + 0x4000)>>15;
-			*vo_p1++ = (L_tmp1 + 0x4000)>>15;
-		}
+            gain1 = G_pitch(xn, y1, g_coeff, L_SUBFR);
+            /* clip gain if necessary to avoid problem at decoder */
+            if ((clip_gain != 0) && (gain1 > GP_CLIP))
+            {
+                gain1 = GP_CLIP;
+            }
+            /* find energy of new target xn2[] */
+            Updt_tar(xn, dn, y1, gain1, L_SUBFR);       /* dn used temporary */
+        } else
+        {
+            gain1 = 0;
+        }
+        /*-----------------------------------------------------------------*
+         * - find pitch excitation filtered by 1st order LP filter.        *
+         * - find filtered pitch exc. y2[]=exc[] convolved with h1[])      *
+         * - compute pitch gain2                                           *
+         *-----------------------------------------------------------------*/
+        /* find pitch excitation with lp filter */
+        vo_p0 = exc + i_subfr-1;
+        vo_p1 = code;
+        /* find pitch excitation with lp filter */
+        for (i = 0; i < L_SUBFR/2; i++)
+        {
+            L_tmp = 5898 * *vo_p0++;
+            L_tmp1 = 5898 * *vo_p0;
+            L_tmp += 20972 * *vo_p0++;
+            L_tmp1 += 20972 * *vo_p0++;
+            L_tmp1 += 5898 * *vo_p0--;
+            L_tmp += 5898 * *vo_p0;
+            *vo_p1++ = (L_tmp + 0x4000)>>15;
+            *vo_p1++ = (L_tmp1 + 0x4000)>>15;
+        }
 
 #ifdef ASM_OPT                 /* asm optimization branch */
-		Convolve_asm(code, h1, y2, L_SUBFR);
+        Convolve_asm(code, h1, y2, L_SUBFR);
 #else
-		Convolve(code, h1, y2, L_SUBFR);
+        Convolve(code, h1, y2, L_SUBFR);
 #endif
 
-		gain2 = G_pitch(xn, y2, g_coeff2, L_SUBFR);
+        gain2 = G_pitch(xn, y2, g_coeff2, L_SUBFR);
 
-		/* clip gain if necessary to avoid problem at decoder */
-		if ((clip_gain != 0) && (gain2 > GP_CLIP))
-		{
-			gain2 = GP_CLIP;
-		}
-		/* find energy of new target xn2[] */
-		Updt_tar(xn, xn2, y2, gain2, L_SUBFR);
-		/*-----------------------------------------------------------------*
-		 * use the best prediction (minimise quadratic error).             *
-		 *-----------------------------------------------------------------*/
-		select = 0;
-		if(*ser_size > NBBITS_9k)
-		{
-			L_tmp = 0L;
-			vo_p0 = dn;
-			vo_p1 = xn2;
-			for (i = 0; i < L_SUBFR/2; i++)
-			{
-				L_tmp += *vo_p0 * *vo_p0;
-				vo_p0++;
-				L_tmp -= *vo_p1 * *vo_p1;
-				vo_p1++;
-				L_tmp += *vo_p0 * *vo_p0;
-				vo_p0++;
-				L_tmp -= *vo_p1 * *vo_p1;
-				vo_p1++;
-			}
+        /* clip gain if necessary to avoid problem at decoder */
+        if ((clip_gain != 0) && (gain2 > GP_CLIP))
+        {
+            gain2 = GP_CLIP;
+        }
+        /* find energy of new target xn2[] */
+        Updt_tar(xn, xn2, y2, gain2, L_SUBFR);
+        /*-----------------------------------------------------------------*
+         * use the best prediction (minimise quadratic error).             *
+         *-----------------------------------------------------------------*/
+        select = 0;
+        if(*ser_size > NBBITS_9k)
+        {
+            L_tmp = 0L;
+            vo_p0 = dn;
+            vo_p1 = xn2;
+            for (i = 0; i < L_SUBFR/2; i++)
+            {
+                L_tmp += *vo_p0 * *vo_p0;
+                vo_p0++;
+                L_tmp -= *vo_p1 * *vo_p1;
+                vo_p1++;
+                L_tmp += *vo_p0 * *vo_p0;
+                vo_p0++;
+                L_tmp -= *vo_p1 * *vo_p1;
+                vo_p1++;
+            }
 
-			if (L_tmp <= 0)
-			{
-				select = 1;
-			}
-			Parm_serial(select, 1, &prms);
-		}
-		if (select == 0)
-		{
-			/* use the lp filter for pitch excitation prediction */
-			gain_pit = gain2;
-			Copy(code, &exc[i_subfr], L_SUBFR);
-			Copy(y2, y1, L_SUBFR);
-			Copy(g_coeff2, g_coeff, 4);
-		} else
-		{
-			/* no filter used for pitch excitation prediction */
-			gain_pit = gain1;
-			Copy(dn, xn2, L_SUBFR);        /* target vector for codebook search */
-		}
-		/*-----------------------------------------------------------------*
-		 * - update cn[] for codebook search                               *
-		 *-----------------------------------------------------------------*/
-		Updt_tar(cn, cn, &exc[i_subfr], gain_pit, L_SUBFR);
+            if (L_tmp <= 0)
+            {
+                select = 1;
+            }
+            Parm_serial(select, 1, &prms);
+        }
+        if (select == 0)
+        {
+            /* use the lp filter for pitch excitation prediction */
+            gain_pit = gain2;
+            Copy(code, &exc[i_subfr], L_SUBFR);
+            Copy(y2, y1, L_SUBFR);
+            Copy(g_coeff2, g_coeff, 4);
+        } else
+        {
+            /* no filter used for pitch excitation prediction */
+            gain_pit = gain1;
+            Copy(dn, xn2, L_SUBFR);        /* target vector for codebook search */
+        }
+        /*-----------------------------------------------------------------*
+         * - update cn[] for codebook search                               *
+         *-----------------------------------------------------------------*/
+        Updt_tar(cn, cn, &exc[i_subfr], gain_pit, L_SUBFR);
 
 #ifdef  ASM_OPT                           /* asm optimization branch */
-		Scale_sig_opt(cn, L_SUBFR, shift);     /* scaling of cn[] to limit dynamic at 12 bits */
+        Scale_sig_opt(cn, L_SUBFR, shift);     /* scaling of cn[] to limit dynamic at 12 bits */
 #else
-		Scale_sig(cn, L_SUBFR, shift);     /* scaling of cn[] to limit dynamic at 12 bits */
+        Scale_sig(cn, L_SUBFR, shift);     /* scaling of cn[] to limit dynamic at 12 bits */
 #endif
-		/*-----------------------------------------------------------------*
-		 * - include fixed-gain pitch contribution into impulse resp. h1[] *
-		 *-----------------------------------------------------------------*/
-		tmp = 0;
-		Preemph(h2, st->tilt_code, L_SUBFR, &tmp);
+        /*-----------------------------------------------------------------*
+         * - include fixed-gain pitch contribution into impulse resp. h1[] *
+         *-----------------------------------------------------------------*/
+        tmp = 0;
+        Preemph(h2, st->tilt_code, L_SUBFR, &tmp);
 
-		if (T0_frac > 2)
-			T0 = (T0 + 1);
-		Pit_shrp(h2, T0, PIT_SHARP, L_SUBFR);
-		/*-----------------------------------------------------------------*
-		 * - Correlation between target xn2[] and impulse response h1[]    *
-		 * - Innovative codebook search                                    *
-		 *-----------------------------------------------------------------*/
-		cor_h_x(h2, xn2, dn);
-		if (*ser_size <= NBBITS_7k)
-		{
-			ACELP_2t64_fx(dn, cn, h2, code, y2, indice);
+        if (T0_frac > 2)
+            T0 = (T0 + 1);
+        Pit_shrp(h2, T0, PIT_SHARP, L_SUBFR);
+        /*-----------------------------------------------------------------*
+         * - Correlation between target xn2[] and impulse response h1[]    *
+         * - Innovative codebook search                                    *
+         *-----------------------------------------------------------------*/
+        cor_h_x(h2, xn2, dn);
+        if (*ser_size <= NBBITS_7k)
+        {
+            ACELP_2t64_fx(dn, cn, h2, code, y2, indice);
 
-			Parm_serial(indice[0], 12, &prms);
-		} else if(*ser_size <= NBBITS_9k)
-		{
-			ACELP_4t64_fx(dn, cn, h2, code, y2, 20, *ser_size, indice);
+            Parm_serial(indice[0], 12, &prms);
+        } else if(*ser_size <= NBBITS_9k)
+        {
+            ACELP_4t64_fx(dn, cn, h2, code, y2, 20, *ser_size, indice);
 
-			Parm_serial(indice[0], 5, &prms);
-			Parm_serial(indice[1], 5, &prms);
-			Parm_serial(indice[2], 5, &prms);
-			Parm_serial(indice[3], 5, &prms);
-		} else if(*ser_size <= NBBITS_12k)
-		{
-			ACELP_4t64_fx(dn, cn, h2, code, y2, 36, *ser_size, indice);
+            Parm_serial(indice[0], 5, &prms);
+            Parm_serial(indice[1], 5, &prms);
+            Parm_serial(indice[2], 5, &prms);
+            Parm_serial(indice[3], 5, &prms);
+        } else if(*ser_size <= NBBITS_12k)
+        {
+            ACELP_4t64_fx(dn, cn, h2, code, y2, 36, *ser_size, indice);
 
-			Parm_serial(indice[0], 9, &prms);
-			Parm_serial(indice[1], 9, &prms);
-			Parm_serial(indice[2], 9, &prms);
-			Parm_serial(indice[3], 9, &prms);
-		} else if(*ser_size <= NBBITS_14k)
-		{
-			ACELP_4t64_fx(dn, cn, h2, code, y2, 44, *ser_size, indice);
+            Parm_serial(indice[0], 9, &prms);
+            Parm_serial(indice[1], 9, &prms);
+            Parm_serial(indice[2], 9, &prms);
+            Parm_serial(indice[3], 9, &prms);
+        } else if(*ser_size <= NBBITS_14k)
+        {
+            ACELP_4t64_fx(dn, cn, h2, code, y2, 44, *ser_size, indice);
 
-			Parm_serial(indice[0], 13, &prms);
-			Parm_serial(indice[1], 13, &prms);
-			Parm_serial(indice[2], 9, &prms);
-			Parm_serial(indice[3], 9, &prms);
-		} else if(*ser_size <= NBBITS_16k)
-		{
-			ACELP_4t64_fx(dn, cn, h2, code, y2, 52, *ser_size, indice);
+            Parm_serial(indice[0], 13, &prms);
+            Parm_serial(indice[1], 13, &prms);
+            Parm_serial(indice[2], 9, &prms);
+            Parm_serial(indice[3], 9, &prms);
+        } else if(*ser_size <= NBBITS_16k)
+        {
+            ACELP_4t64_fx(dn, cn, h2, code, y2, 52, *ser_size, indice);
 
-			Parm_serial(indice[0], 13, &prms);
-			Parm_serial(indice[1], 13, &prms);
-			Parm_serial(indice[2], 13, &prms);
-			Parm_serial(indice[3], 13, &prms);
-		} else if(*ser_size <= NBBITS_18k)
-		{
-			ACELP_4t64_fx(dn, cn, h2, code, y2, 64, *ser_size, indice);
+            Parm_serial(indice[0], 13, &prms);
+            Parm_serial(indice[1], 13, &prms);
+            Parm_serial(indice[2], 13, &prms);
+            Parm_serial(indice[3], 13, &prms);
+        } else if(*ser_size <= NBBITS_18k)
+        {
+            ACELP_4t64_fx(dn, cn, h2, code, y2, 64, *ser_size, indice);
 
-			Parm_serial(indice[0], 2, &prms);
-			Parm_serial(indice[1], 2, &prms);
-			Parm_serial(indice[2], 2, &prms);
-			Parm_serial(indice[3], 2, &prms);
-			Parm_serial(indice[4], 14, &prms);
-			Parm_serial(indice[5], 14, &prms);
-			Parm_serial(indice[6], 14, &prms);
-			Parm_serial(indice[7], 14, &prms);
-		} else if(*ser_size <= NBBITS_20k)
-		{
-			ACELP_4t64_fx(dn, cn, h2, code, y2, 72, *ser_size, indice);
+            Parm_serial(indice[0], 2, &prms);
+            Parm_serial(indice[1], 2, &prms);
+            Parm_serial(indice[2], 2, &prms);
+            Parm_serial(indice[3], 2, &prms);
+            Parm_serial(indice[4], 14, &prms);
+            Parm_serial(indice[5], 14, &prms);
+            Parm_serial(indice[6], 14, &prms);
+            Parm_serial(indice[7], 14, &prms);
+        } else if(*ser_size <= NBBITS_20k)
+        {
+            ACELP_4t64_fx(dn, cn, h2, code, y2, 72, *ser_size, indice);
 
-			Parm_serial(indice[0], 10, &prms);
-			Parm_serial(indice[1], 10, &prms);
-			Parm_serial(indice[2], 2, &prms);
-			Parm_serial(indice[3], 2, &prms);
-			Parm_serial(indice[4], 10, &prms);
-			Parm_serial(indice[5], 10, &prms);
-			Parm_serial(indice[6], 14, &prms);
-			Parm_serial(indice[7], 14, &prms);
-		} else
-		{
-			ACELP_4t64_fx(dn, cn, h2, code, y2, 88, *ser_size, indice);
+            Parm_serial(indice[0], 10, &prms);
+            Parm_serial(indice[1], 10, &prms);
+            Parm_serial(indice[2], 2, &prms);
+            Parm_serial(indice[3], 2, &prms);
+            Parm_serial(indice[4], 10, &prms);
+            Parm_serial(indice[5], 10, &prms);
+            Parm_serial(indice[6], 14, &prms);
+            Parm_serial(indice[7], 14, &prms);
+        } else
+        {
+            ACELP_4t64_fx(dn, cn, h2, code, y2, 88, *ser_size, indice);
 
-			Parm_serial(indice[0], 11, &prms);
-			Parm_serial(indice[1], 11, &prms);
-			Parm_serial(indice[2], 11, &prms);
-			Parm_serial(indice[3], 11, &prms);
-			Parm_serial(indice[4], 11, &prms);
-			Parm_serial(indice[5], 11, &prms);
-			Parm_serial(indice[6], 11, &prms);
-			Parm_serial(indice[7], 11, &prms);
-		}
-		/*-------------------------------------------------------*
-		 * - Add the fixed-gain pitch contribution to code[].    *
-		 *-------------------------------------------------------*/
-		tmp = 0;
-		Preemph(code, st->tilt_code, L_SUBFR, &tmp);
-		Pit_shrp(code, T0, PIT_SHARP, L_SUBFR);
-		/*----------------------------------------------------------*
-		 *  - Compute the fixed codebook gain                       *
-		 *  - quantize fixed codebook gain                          *
-		 *----------------------------------------------------------*/
-		if(*ser_size <= NBBITS_9k)
-		{
-			index = Q_gain2(xn, y1, Q_new + shift, y2, code, g_coeff, L_SUBFR, 6,
-					&gain_pit, &L_gain_code, clip_gain, st->qua_gain);
-			Parm_serial(index, 6, &prms);
-		} else
-		{
-			index = Q_gain2(xn, y1, Q_new + shift, y2, code, g_coeff, L_SUBFR, 7,
-					&gain_pit, &L_gain_code, clip_gain, st->qua_gain);
-			Parm_serial(index, 7, &prms);
-		}
-		/* test quantized gain of pitch for pitch clipping algorithm */
-		Gp_clip_test_gain_pit(gain_pit, st->gp_clip);
+            Parm_serial(indice[0], 11, &prms);
+            Parm_serial(indice[1], 11, &prms);
+            Parm_serial(indice[2], 11, &prms);
+            Parm_serial(indice[3], 11, &prms);
+            Parm_serial(indice[4], 11, &prms);
+            Parm_serial(indice[5], 11, &prms);
+            Parm_serial(indice[6], 11, &prms);
+            Parm_serial(indice[7], 11, &prms);
+        }
+        /*-------------------------------------------------------*
+         * - Add the fixed-gain pitch contribution to code[].    *
+         *-------------------------------------------------------*/
+        tmp = 0;
+        Preemph(code, st->tilt_code, L_SUBFR, &tmp);
+        Pit_shrp(code, T0, PIT_SHARP, L_SUBFR);
+        /*----------------------------------------------------------*
+         *  - Compute the fixed codebook gain                       *
+         *  - quantize fixed codebook gain                          *
+         *----------------------------------------------------------*/
+        if(*ser_size <= NBBITS_9k)
+        {
+            index = Q_gain2(xn, y1, Q_new + shift, y2, code, g_coeff, L_SUBFR, 6,
+                    &gain_pit, &L_gain_code, clip_gain, st->qua_gain);
+            Parm_serial(index, 6, &prms);
+        } else
+        {
+            index = Q_gain2(xn, y1, Q_new + shift, y2, code, g_coeff, L_SUBFR, 7,
+                    &gain_pit, &L_gain_code, clip_gain, st->qua_gain);
+            Parm_serial(index, 7, &prms);
+        }
+        /* test quantized gain of pitch for pitch clipping algorithm */
+        Gp_clip_test_gain_pit(gain_pit, st->gp_clip);
 
-		L_tmp = L_shl(L_gain_code, Q_new);
-		gain_code = extract_h(L_add(L_tmp, 0x8000));
+        L_tmp = L_shl(L_gain_code, Q_new);
+        gain_code = extract_h(L_add(L_tmp, 0x8000));
 
-		/*----------------------------------------------------------*
-		 * Update parameters for the next subframe.                 *
-		 * - tilt of code: 0.0 (unvoiced) to 0.5 (voiced)           *
-		 *----------------------------------------------------------*/
-		/* find voice factor in Q15 (1=voiced, -1=unvoiced) */
-		Copy(&exc[i_subfr], exc2, L_SUBFR);
+        /*----------------------------------------------------------*
+         * Update parameters for the next subframe.                 *
+         * - tilt of code: 0.0 (unvoiced) to 0.5 (voiced)           *
+         *----------------------------------------------------------*/
+        /* find voice factor in Q15 (1=voiced, -1=unvoiced) */
+        Copy(&exc[i_subfr], exc2, L_SUBFR);
 
 #ifdef ASM_OPT                           /* asm optimization branch */
-		Scale_sig_opt(exc2, L_SUBFR, shift);
+        Scale_sig_opt(exc2, L_SUBFR, shift);
 #else
-		Scale_sig(exc2, L_SUBFR, shift);
+        Scale_sig(exc2, L_SUBFR, shift);
 #endif
-		voice_fac = voice_factor(exc2, shift, gain_pit, code, gain_code, L_SUBFR);
-		/* tilt of code for next subframe: 0.5=voiced, 0=unvoiced */
-		st->tilt_code = ((voice_fac >> 2) + 8192);
-		/*------------------------------------------------------*
-		 * - Update filter's memory "mem_w0" for finding the    *
-		 *   target vector in the next subframe.                *
-		 * - Find the total excitation                          *
-		 * - Find synthesis speech to update mem_syn[].         *
-		 *------------------------------------------------------*/
+        voice_fac = voice_factor(exc2, shift, gain_pit, code, gain_code, L_SUBFR);
+        /* tilt of code for next subframe: 0.5=voiced, 0=unvoiced */
+        st->tilt_code = ((voice_fac >> 2) + 8192);
+        /*------------------------------------------------------*
+         * - Update filter's memory "mem_w0" for finding the    *
+         *   target vector in the next subframe.                *
+         * - Find the total excitation                          *
+         * - Find synthesis speech to update mem_syn[].         *
+         *------------------------------------------------------*/
 
-		/* y2 in Q9, gain_pit in Q14 */
-		L_tmp = (gain_code * y2[L_SUBFR - 1])<<1;
-		L_tmp = L_shl(L_tmp, (5 + shift));
-		L_tmp = L_negate(L_tmp);
-		L_tmp += (xn[L_SUBFR - 1] * 16384)<<1;
-		L_tmp -= (y1[L_SUBFR - 1] * gain_pit)<<1;
-		L_tmp = L_shl(L_tmp, (1 - shift));
-		st->mem_w0 = extract_h(L_add(L_tmp, 0x8000));
+        /* y2 in Q9, gain_pit in Q14 */
+        L_tmp = (gain_code * y2[L_SUBFR - 1])<<1;
+        L_tmp = L_shl(L_tmp, (5 + shift));
+        L_tmp = L_negate(L_tmp);
+        L_tmp += (xn[L_SUBFR - 1] * 16384)<<1;
+        L_tmp -= (y1[L_SUBFR - 1] * gain_pit)<<1;
+        L_tmp = L_shl(L_tmp, (1 - shift));
+        st->mem_w0 = extract_h(L_add(L_tmp, 0x8000));
 
-		if (*ser_size >= NBBITS_24k)
-			Copy(&exc[i_subfr], exc2, L_SUBFR);
+        if (*ser_size >= NBBITS_24k)
+            Copy(&exc[i_subfr], exc2, L_SUBFR);
 
-		for (i = 0; i < L_SUBFR; i++)
-		{
-			/* code in Q9, gain_pit in Q14 */
-			L_tmp = (gain_code * code[i])<<1;
-			L_tmp = (L_tmp << 5);
-			L_tmp += (exc[i + i_subfr] * gain_pit)<<1;
-			L_tmp = L_shl2(L_tmp, 1);
-			exc[i + i_subfr] = extract_h(L_add(L_tmp, 0x8000));
-		}
+        for (i = 0; i < L_SUBFR; i++)
+        {
+            /* code in Q9, gain_pit in Q14 */
+            L_tmp = (gain_code * code[i])<<1;
+            L_tmp = (L_tmp << 5);
+            L_tmp += (exc[i + i_subfr] * gain_pit)<<1;
+            L_tmp = L_shl2(L_tmp, 1);
+            exc[i + i_subfr] = extract_h(L_add(L_tmp, 0x8000));
+        }
 
-		Syn_filt(p_Aq,&exc[i_subfr], synth, L_SUBFR, st->mem_syn, 1);
+        Syn_filt(p_Aq,&exc[i_subfr], synth, L_SUBFR, st->mem_syn, 1);
 
-		if(*ser_size >= NBBITS_24k)
-		{
-			/*------------------------------------------------------------*
-			 * phase dispersion to enhance noise in low bit rate          *
-			 *------------------------------------------------------------*/
-			/* L_gain_code in Q16 */
-			VO_L_Extract(L_gain_code, &gain_code, &gain_code_lo);
+        if(*ser_size >= NBBITS_24k)
+        {
+            /*------------------------------------------------------------*
+             * phase dispersion to enhance noise in low bit rate          *
+             *------------------------------------------------------------*/
+            /* L_gain_code in Q16 */
+            VO_L_Extract(L_gain_code, &gain_code, &gain_code_lo);
 
-			/*------------------------------------------------------------*
-			 * noise enhancer                                             *
-			 * ~~~~~~~~~~~~~~                                             *
-			 * - Enhance excitation on noise. (modify gain of code)       *
-			 *   If signal is noisy and LPC filter is stable, move gain   *
-			 *   of code 1.5 dB toward gain of code threshold.            *
-			 *   This decrease by 3 dB noise energy variation.            *
-			 *------------------------------------------------------------*/
-			tmp = (16384 - (voice_fac >> 1));        /* 1=unvoiced, 0=voiced */
-			fac = vo_mult(stab_fac, tmp);
-			L_tmp = L_gain_code;
-			if(L_tmp < st->L_gc_thres)
-			{
-				L_tmp = vo_L_add(L_tmp, Mpy_32_16(gain_code, gain_code_lo, 6226));
-				if(L_tmp > st->L_gc_thres)
-				{
-					L_tmp = st->L_gc_thres;
-				}
-			} else
-			{
-				L_tmp = Mpy_32_16(gain_code, gain_code_lo, 27536);
-				if(L_tmp < st->L_gc_thres)
-				{
-					L_tmp = st->L_gc_thres;
-				}
-			}
-			st->L_gc_thres = L_tmp;
+            /*------------------------------------------------------------*
+             * noise enhancer                                             *
+             * ~~~~~~~~~~~~~~                                             *
+             * - Enhance excitation on noise. (modify gain of code)       *
+             *   If signal is noisy and LPC filter is stable, move gain   *
+             *   of code 1.5 dB toward gain of code threshold.            *
+             *   This decrease by 3 dB noise energy variation.            *
+             *------------------------------------------------------------*/
+            tmp = (16384 - (voice_fac >> 1));        /* 1=unvoiced, 0=voiced */
+            fac = vo_mult(stab_fac, tmp);
+            L_tmp = L_gain_code;
+            if(L_tmp < st->L_gc_thres)
+            {
+                L_tmp = vo_L_add(L_tmp, Mpy_32_16(gain_code, gain_code_lo, 6226));
+                if(L_tmp > st->L_gc_thres)
+                {
+                    L_tmp = st->L_gc_thres;
+                }
+            } else
+            {
+                L_tmp = Mpy_32_16(gain_code, gain_code_lo, 27536);
+                if(L_tmp < st->L_gc_thres)
+                {
+                    L_tmp = st->L_gc_thres;
+                }
+            }
+            st->L_gc_thres = L_tmp;
 
-			L_gain_code = Mpy_32_16(gain_code, gain_code_lo, (32767 - fac));
-			VO_L_Extract(L_tmp, &gain_code, &gain_code_lo);
-			L_gain_code = vo_L_add(L_gain_code, Mpy_32_16(gain_code, gain_code_lo, fac));
+            L_gain_code = Mpy_32_16(gain_code, gain_code_lo, (32767 - fac));
+            VO_L_Extract(L_tmp, &gain_code, &gain_code_lo);
+            L_gain_code = vo_L_add(L_gain_code, Mpy_32_16(gain_code, gain_code_lo, fac));
 
-			/*------------------------------------------------------------*
-			 * pitch enhancer                                             *
-			 * ~~~~~~~~~~~~~~                                             *
-			 * - Enhance excitation on voice. (HP filtering of code)      *
-			 *   On voiced signal, filtering of code by a smooth fir HP   *
-			 *   filter to decrease energy of code in low frequency.      *
-			 *------------------------------------------------------------*/
+            /*------------------------------------------------------------*
+             * pitch enhancer                                             *
+             * ~~~~~~~~~~~~~~                                             *
+             * - Enhance excitation on voice. (HP filtering of code)      *
+             *   On voiced signal, filtering of code by a smooth fir HP   *
+             *   filter to decrease energy of code in low frequency.      *
+             *------------------------------------------------------------*/
 
-			tmp = ((voice_fac >> 3) + 4096); /* 0.25=voiced, 0=unvoiced */
+            tmp = ((voice_fac >> 3) + 4096); /* 0.25=voiced, 0=unvoiced */
 
-			L_tmp = L_deposit_h(code[0]);
-			L_tmp -= (code[1] * tmp)<<1;
-			code2[0] = vo_round(L_tmp);
+            L_tmp = L_deposit_h(code[0]);
+            L_tmp -= (code[1] * tmp)<<1;
+            code2[0] = vo_round(L_tmp);
 
-			for (i = 1; i < L_SUBFR - 1; i++)
-			{
-				L_tmp = L_deposit_h(code[i]);
-				L_tmp -= (code[i + 1] * tmp)<<1;
-				L_tmp -= (code[i - 1] * tmp)<<1;
-				code2[i] = vo_round(L_tmp);
-			}
+            for (i = 1; i < L_SUBFR - 1; i++)
+            {
+                L_tmp = L_deposit_h(code[i]);
+                L_tmp -= (code[i + 1] * tmp)<<1;
+                L_tmp -= (code[i - 1] * tmp)<<1;
+                code2[i] = vo_round(L_tmp);
+            }
 
-			L_tmp = L_deposit_h(code[L_SUBFR - 1]);
-			L_tmp -= (code[L_SUBFR - 2] * tmp)<<1;
-			code2[L_SUBFR - 1] = vo_round(L_tmp);
+            L_tmp = L_deposit_h(code[L_SUBFR - 1]);
+            L_tmp -= (code[L_SUBFR - 2] * tmp)<<1;
+            code2[L_SUBFR - 1] = vo_round(L_tmp);
 
-			/* build excitation */
-			gain_code = vo_round(L_shl(L_gain_code, Q_new));
+            /* build excitation */
+            gain_code = vo_round(L_shl(L_gain_code, Q_new));
 
-			for (i = 0; i < L_SUBFR; i++)
-			{
-				L_tmp = (code2[i] * gain_code)<<1;
-				L_tmp = (L_tmp << 5);
-				L_tmp += (exc2[i] * gain_pit)<<1;
-				L_tmp = (L_tmp << 1);
-				exc2[i] = vo_round(L_tmp);
-			}
+            for (i = 0; i < L_SUBFR; i++)
+            {
+                L_tmp = (code2[i] * gain_code)<<1;
+                L_tmp = (L_tmp << 5);
+                L_tmp += (exc2[i] * gain_pit)<<1;
+                L_tmp = (L_tmp << 1);
+                exc2[i] = vo_round(L_tmp);
+            }
 
-			corr_gain = synthesis(p_Aq, exc2, Q_new, &speech16k[i_subfr * 5 / 4], st);
-			Parm_serial(corr_gain, 4, &prms);
-		}
-		p_A += (M + 1);
-		p_Aq += (M + 1);
-	}                                      /* end of subframe loop */
+            corr_gain = synthesis(p_Aq, exc2, Q_new, &speech16k[i_subfr * 5 / 4], st);
+            Parm_serial(corr_gain, 4, &prms);
+        }
+        p_A += (M + 1);
+        p_Aq += (M + 1);
+    }                                      /* end of subframe loop */
 
-	/*--------------------------------------------------*
-	 * Update signal for next frame.                    *
-	 * -> save past of speech[], wsp[] and exc[].       *
-	 *--------------------------------------------------*/
-	Copy(&old_speech[L_FRAME], st->old_speech, L_TOTAL - L_FRAME);
-	Copy(&old_wsp[L_FRAME / OPL_DECIM], st->old_wsp, PIT_MAX / OPL_DECIM);
-	Copy(&old_exc[L_FRAME], st->old_exc, PIT_MAX + L_INTERPOL);
-	return;
+    /*--------------------------------------------------*
+     * Update signal for next frame.                    *
+     * -> save past of speech[], wsp[] and exc[].       *
+     *--------------------------------------------------*/
+    Copy(&old_speech[L_FRAME], st->old_speech, L_TOTAL - L_FRAME);
+    Copy(&old_wsp[L_FRAME / OPL_DECIM], st->old_wsp, PIT_MAX / OPL_DECIM);
+    Copy(&old_exc[L_FRAME], st->old_exc, PIT_MAX + L_INTERPOL);
+    return;
 }
 
 /*-----------------------------------------------------*
@@ -1329,225 +1329,225 @@
 *-----------------------------------------------------*/
 
 static Word16 synthesis(
-		Word16 Aq[],                          /* A(z)  : quantized Az               */
-		Word16 exc[],                         /* (i)   : excitation at 12kHz        */
-		Word16 Q_new,                         /* (i)   : scaling performed on exc   */
-		Word16 synth16k[],                    /* (o)   : 16kHz synthesis signal     */
-		Coder_State * st                      /* (i/o) : State structure            */
-		)
+        Word16 Aq[],                          /* A(z)  : quantized Az               */
+        Word16 exc[],                         /* (i)   : excitation at 12kHz        */
+        Word16 Q_new,                         /* (i)   : scaling performed on exc   */
+        Word16 synth16k[],                    /* (o)   : 16kHz synthesis signal     */
+        Coder_State * st                      /* (i/o) : State structure            */
+        )
 {
-	Word16 fac, tmp, exp;
-	Word16 ener, exp_ener;
-	Word32 L_tmp, i;
+    Word16 fac, tmp, exp;
+    Word16 ener, exp_ener;
+    Word32 L_tmp, i;
 
-	Word16 synth_hi[M + L_SUBFR], synth_lo[M + L_SUBFR];
-	Word16 synth[L_SUBFR];
-	Word16 HF[L_SUBFR16k];                 /* High Frequency vector      */
-	Word16 Ap[M + 1];
+    Word16 synth_hi[M + L_SUBFR], synth_lo[M + L_SUBFR];
+    Word16 synth[L_SUBFR];
+    Word16 HF[L_SUBFR16k];                 /* High Frequency vector      */
+    Word16 Ap[M + 1];
 
-	Word16 HF_SP[L_SUBFR16k];              /* High Frequency vector (from original signal) */
+    Word16 HF_SP[L_SUBFR16k];              /* High Frequency vector (from original signal) */
 
-	Word16 HP_est_gain, HP_calc_gain, HP_corr_gain;
-	Word16 dist_min, dist;
-	Word16 HP_gain_ind = 0;
-	Word16 gain1, gain2;
-	Word16 weight1, weight2;
+    Word16 HP_est_gain, HP_calc_gain, HP_corr_gain;
+    Word16 dist_min, dist;
+    Word16 HP_gain_ind = 0;
+    Word16 gain1, gain2;
+    Word16 weight1, weight2;
 
-	/*------------------------------------------------------------*
-	 * speech synthesis                                           *
-	 * ~~~~~~~~~~~~~~~~                                           *
-	 * - Find synthesis speech corresponding to exc2[].           *
-	 * - Perform fixed deemphasis and hp 50hz filtering.          *
-	 * - Oversampling from 12.8kHz to 16kHz.                      *
-	 *------------------------------------------------------------*/
-	Copy(st->mem_syn_hi, synth_hi, M);
-	Copy(st->mem_syn_lo, synth_lo, M);
+    /*------------------------------------------------------------*
+     * speech synthesis                                           *
+     * ~~~~~~~~~~~~~~~~                                           *
+     * - Find synthesis speech corresponding to exc2[].           *
+     * - Perform fixed deemphasis and hp 50hz filtering.          *
+     * - Oversampling from 12.8kHz to 16kHz.                      *
+     *------------------------------------------------------------*/
+    Copy(st->mem_syn_hi, synth_hi, M);
+    Copy(st->mem_syn_lo, synth_lo, M);
 
 #ifdef ASM_OPT                 /* asm optimization branch */
-	Syn_filt_32_asm(Aq, M, exc, Q_new, synth_hi + M, synth_lo + M, L_SUBFR);
+    Syn_filt_32_asm(Aq, M, exc, Q_new, synth_hi + M, synth_lo + M, L_SUBFR);
 #else
-	Syn_filt_32(Aq, M, exc, Q_new, synth_hi + M, synth_lo + M, L_SUBFR);
+    Syn_filt_32(Aq, M, exc, Q_new, synth_hi + M, synth_lo + M, L_SUBFR);
 #endif
 
-	Copy(synth_hi + L_SUBFR, st->mem_syn_hi, M);
-	Copy(synth_lo + L_SUBFR, st->mem_syn_lo, M);
+    Copy(synth_hi + L_SUBFR, st->mem_syn_hi, M);
+    Copy(synth_lo + L_SUBFR, st->mem_syn_lo, M);
 
 #ifdef ASM_OPT                 /* asm optimization branch */
-	Deemph_32_asm(synth_hi + M, synth_lo + M, synth, &(st->mem_deemph));
+    Deemph_32_asm(synth_hi + M, synth_lo + M, synth, &(st->mem_deemph));
 #else
-	Deemph_32(synth_hi + M, synth_lo + M, synth, PREEMPH_FAC, L_SUBFR, &(st->mem_deemph));
+    Deemph_32(synth_hi + M, synth_lo + M, synth, PREEMPH_FAC, L_SUBFR, &(st->mem_deemph));
 #endif
 
-	HP50_12k8(synth, L_SUBFR, st->mem_sig_out);
+    HP50_12k8(synth, L_SUBFR, st->mem_sig_out);
 
-	/* Original speech signal as reference for high band gain quantisation */
-	for (i = 0; i < L_SUBFR16k; i++)
-	{
-		HF_SP[i] = synth16k[i];
-	}
+    /* Original speech signal as reference for high band gain quantisation */
+    for (i = 0; i < L_SUBFR16k; i++)
+    {
+        HF_SP[i] = synth16k[i];
+    }
 
-	/*------------------------------------------------------*
-	 * HF noise synthesis                                   *
-	 * ~~~~~~~~~~~~~~~~~~                                   *
-	 * - Generate HF noise between 5.5 and 7.5 kHz.         *
-	 * - Set energy of noise according to synthesis tilt.   *
-	 *     tilt > 0.8 ==> - 14 dB (voiced)                  *
-	 *     tilt   0.5 ==> - 6 dB  (voiced or noise)         *
-	 *     tilt < 0.0 ==>   0 dB  (noise)                   *
-	 *------------------------------------------------------*/
-	/* generate white noise vector */
-	for (i = 0; i < L_SUBFR16k; i++)
-	{
-		HF[i] = Random(&(st->seed2))>>3;
-	}
-	/* energy of excitation */
+    /*------------------------------------------------------*
+     * HF noise synthesis                                   *
+     * ~~~~~~~~~~~~~~~~~~                                   *
+     * - Generate HF noise between 5.5 and 7.5 kHz.         *
+     * - Set energy of noise according to synthesis tilt.   *
+     *     tilt > 0.8 ==> - 14 dB (voiced)                  *
+     *     tilt   0.5 ==> - 6 dB  (voiced or noise)         *
+     *     tilt < 0.0 ==>   0 dB  (noise)                   *
+     *------------------------------------------------------*/
+    /* generate white noise vector */
+    for (i = 0; i < L_SUBFR16k; i++)
+    {
+        HF[i] = Random(&(st->seed2))>>3;
+    }
+    /* energy of excitation */
 #ifdef ASM_OPT                    /* asm optimization branch */
-	Scale_sig_opt(exc, L_SUBFR, -3);
-	Q_new = Q_new - 3;
-	ener = extract_h(Dot_product12_asm(exc, exc, L_SUBFR, &exp_ener));
+    Scale_sig_opt(exc, L_SUBFR, -3);
+    Q_new = Q_new - 3;
+    ener = extract_h(Dot_product12_asm(exc, exc, L_SUBFR, &exp_ener));
 #else
-	Scale_sig(exc, L_SUBFR, -3);
-	Q_new = Q_new - 3;
-	ener = extract_h(Dot_product12(exc, exc, L_SUBFR, &exp_ener));
+    Scale_sig(exc, L_SUBFR, -3);
+    Q_new = Q_new - 3;
+    ener = extract_h(Dot_product12(exc, exc, L_SUBFR, &exp_ener));
 #endif
 
-	exp_ener = exp_ener - (Q_new + Q_new);
-	/* set energy of white noise to energy of excitation */
+    exp_ener = exp_ener - (Q_new + Q_new);
+    /* set energy of white noise to energy of excitation */
 #ifdef ASM_OPT              /* asm optimization branch */
-	tmp = extract_h(Dot_product12_asm(HF, HF, L_SUBFR16k, &exp));
+    tmp = extract_h(Dot_product12_asm(HF, HF, L_SUBFR16k, &exp));
 #else
-	tmp = extract_h(Dot_product12(HF, HF, L_SUBFR16k, &exp));
+    tmp = extract_h(Dot_product12(HF, HF, L_SUBFR16k, &exp));
 #endif
 
-	if(tmp > ener)
-	{
-		tmp = (tmp >> 1);                 /* Be sure tmp < ener */
-		exp = (exp + 1);
-	}
-	L_tmp = L_deposit_h(div_s(tmp, ener)); /* result is normalized */
-	exp = (exp - exp_ener);
-	Isqrt_n(&L_tmp, &exp);
-	L_tmp = L_shl(L_tmp, (exp + 1));       /* L_tmp x 2, L_tmp in Q31 */
-	tmp = extract_h(L_tmp);                /* tmp = 2 x sqrt(ener_exc/ener_hf) */
+    if(tmp > ener)
+    {
+        tmp = (tmp >> 1);                 /* Be sure tmp < ener */
+        exp = (exp + 1);
+    }
+    L_tmp = L_deposit_h(div_s(tmp, ener)); /* result is normalized */
+    exp = (exp - exp_ener);
+    Isqrt_n(&L_tmp, &exp);
+    L_tmp = L_shl(L_tmp, (exp + 1));       /* L_tmp x 2, L_tmp in Q31 */
+    tmp = extract_h(L_tmp);                /* tmp = 2 x sqrt(ener_exc/ener_hf) */
 
-	for (i = 0; i < L_SUBFR16k; i++)
-	{
-		HF[i] = vo_mult(HF[i], tmp);
-	}
+    for (i = 0; i < L_SUBFR16k; i++)
+    {
+        HF[i] = vo_mult(HF[i], tmp);
+    }
 
-	/* find tilt of synthesis speech (tilt: 1=voiced, -1=unvoiced) */
-	HP400_12k8(synth, L_SUBFR, st->mem_hp400);
+    /* find tilt of synthesis speech (tilt: 1=voiced, -1=unvoiced) */
+    HP400_12k8(synth, L_SUBFR, st->mem_hp400);
 
-	L_tmp = 1L;
-	for (i = 0; i < L_SUBFR; i++)
-		L_tmp += (synth[i] * synth[i])<<1;
+    L_tmp = 1L;
+    for (i = 0; i < L_SUBFR; i++)
+        L_tmp += (synth[i] * synth[i])<<1;
 
-	exp = norm_l(L_tmp);
-	ener = extract_h(L_tmp << exp);   /* ener = r[0] */
+    exp = norm_l(L_tmp);
+    ener = extract_h(L_tmp << exp);   /* ener = r[0] */
 
-	L_tmp = 1L;
-	for (i = 1; i < L_SUBFR; i++)
-		L_tmp +=(synth[i] * synth[i - 1])<<1;
+    L_tmp = 1L;
+    for (i = 1; i < L_SUBFR; i++)
+        L_tmp +=(synth[i] * synth[i - 1])<<1;
 
-	tmp = extract_h(L_tmp << exp);    /* tmp = r[1] */
+    tmp = extract_h(L_tmp << exp);    /* tmp = r[1] */
 
-	if (tmp > 0)
-	{
-		fac = div_s(tmp, ener);
-	} else
-	{
-		fac = 0;
-	}
+    if (tmp > 0)
+    {
+        fac = div_s(tmp, ener);
+    } else
+    {
+        fac = 0;
+    }
 
-	/* modify energy of white noise according to synthesis tilt */
-	gain1 = 32767 - fac;
-	gain2 = vo_mult(gain1, 20480);
-	gain2 = shl(gain2, 1);
+    /* modify energy of white noise according to synthesis tilt */
+    gain1 = 32767 - fac;
+    gain2 = vo_mult(gain1, 20480);
+    gain2 = shl(gain2, 1);
 
-	if (st->vad_hist > 0)
-	{
-		weight1 = 0;
-		weight2 = 32767;
-	} else
-	{
-		weight1 = 32767;
-		weight2 = 0;
-	}
-	tmp = vo_mult(weight1, gain1);
-	tmp = add1(tmp, vo_mult(weight2, gain2));
+    if (st->vad_hist > 0)
+    {
+        weight1 = 0;
+        weight2 = 32767;
+    } else
+    {
+        weight1 = 32767;
+        weight2 = 0;
+    }
+    tmp = vo_mult(weight1, gain1);
+    tmp = add1(tmp, vo_mult(weight2, gain2));
 
-	if (tmp != 0)
-	{
-		tmp = (tmp + 1);
-	}
-	HP_est_gain = tmp;
+    if (tmp != 0)
+    {
+        tmp = (tmp + 1);
+    }
+    HP_est_gain = tmp;
 
-	if(HP_est_gain < 3277)
-	{
-		HP_est_gain = 3277;                /* 0.1 in Q15 */
-	}
-	/* synthesis of noise: 4.8kHz..5.6kHz --> 6kHz..7kHz */
-	Weight_a(Aq, Ap, 19661, M);            /* fac=0.6 */
+    if(HP_est_gain < 3277)
+    {
+        HP_est_gain = 3277;                /* 0.1 in Q15 */
+    }
+    /* synthesis of noise: 4.8kHz..5.6kHz --> 6kHz..7kHz */
+    Weight_a(Aq, Ap, 19661, M);            /* fac=0.6 */
 
 #ifdef ASM_OPT                /* asm optimization branch */
-	Syn_filt_asm(Ap, HF, HF, st->mem_syn_hf);
-	/* noise High Pass filtering (1ms of delay) */
-	Filt_6k_7k_asm(HF, L_SUBFR16k, st->mem_hf);
-	/* filtering of the original signal */
-	Filt_6k_7k_asm(HF_SP, L_SUBFR16k, st->mem_hf2);
+    Syn_filt_asm(Ap, HF, HF, st->mem_syn_hf);
+    /* noise High Pass filtering (1ms of delay) */
+    Filt_6k_7k_asm(HF, L_SUBFR16k, st->mem_hf);
+    /* filtering of the original signal */
+    Filt_6k_7k_asm(HF_SP, L_SUBFR16k, st->mem_hf2);
 
-	/* check the gain difference */
-	Scale_sig_opt(HF_SP, L_SUBFR16k, -1);
-	ener = extract_h(Dot_product12_asm(HF_SP, HF_SP, L_SUBFR16k, &exp_ener));
-	/* set energy of white noise to energy of excitation */
-	tmp = extract_h(Dot_product12_asm(HF, HF, L_SUBFR16k, &exp));
+    /* check the gain difference */
+    Scale_sig_opt(HF_SP, L_SUBFR16k, -1);
+    ener = extract_h(Dot_product12_asm(HF_SP, HF_SP, L_SUBFR16k, &exp_ener));
+    /* set energy of white noise to energy of excitation */
+    tmp = extract_h(Dot_product12_asm(HF, HF, L_SUBFR16k, &exp));
 #else
-	Syn_filt(Ap, HF, HF, L_SUBFR16k, st->mem_syn_hf, 1);
-	/* noise High Pass filtering (1ms of delay) */
-	Filt_6k_7k(HF, L_SUBFR16k, st->mem_hf);
-	/* filtering of the original signal */
-	Filt_6k_7k(HF_SP, L_SUBFR16k, st->mem_hf2);
-	/* check the gain difference */
-	Scale_sig(HF_SP, L_SUBFR16k, -1);
-	ener = extract_h(Dot_product12(HF_SP, HF_SP, L_SUBFR16k, &exp_ener));
-	/* set energy of white noise to energy of excitation */
-	tmp = extract_h(Dot_product12(HF, HF, L_SUBFR16k, &exp));
+    Syn_filt(Ap, HF, HF, L_SUBFR16k, st->mem_syn_hf, 1);
+    /* noise High Pass filtering (1ms of delay) */
+    Filt_6k_7k(HF, L_SUBFR16k, st->mem_hf);
+    /* filtering of the original signal */
+    Filt_6k_7k(HF_SP, L_SUBFR16k, st->mem_hf2);
+    /* check the gain difference */
+    Scale_sig(HF_SP, L_SUBFR16k, -1);
+    ener = extract_h(Dot_product12(HF_SP, HF_SP, L_SUBFR16k, &exp_ener));
+    /* set energy of white noise to energy of excitation */
+    tmp = extract_h(Dot_product12(HF, HF, L_SUBFR16k, &exp));
 #endif
 
-	if (tmp > ener)
-	{
-		tmp = (tmp >> 1);                 /* Be sure tmp < ener */
-		exp = (exp + 1);
-	}
-	L_tmp = L_deposit_h(div_s(tmp, ener)); /* result is normalized */
-	exp = vo_sub(exp, exp_ener);
-	Isqrt_n(&L_tmp, &exp);
-	L_tmp = L_shl(L_tmp, exp);             /* L_tmp, L_tmp in Q31 */
-	HP_calc_gain = extract_h(L_tmp);       /* tmp = sqrt(ener_input/ener_hf) */
+    if (tmp > ener)
+    {
+        tmp = (tmp >> 1);                 /* Be sure tmp < ener */
+        exp = (exp + 1);
+    }
+    L_tmp = L_deposit_h(div_s(tmp, ener)); /* result is normalized */
+    exp = vo_sub(exp, exp_ener);
+    Isqrt_n(&L_tmp, &exp);
+    L_tmp = L_shl(L_tmp, exp);             /* L_tmp, L_tmp in Q31 */
+    HP_calc_gain = extract_h(L_tmp);       /* tmp = sqrt(ener_input/ener_hf) */
 
-	/* st->gain_alpha *= st->dtx_encSt->dtxHangoverCount/7 */
-	L_tmp = (vo_L_mult(st->dtx_encSt->dtxHangoverCount, 4681) << 15);
-	st->gain_alpha = vo_mult(st->gain_alpha, extract_h(L_tmp));
+    /* st->gain_alpha *= st->dtx_encSt->dtxHangoverCount/7 */
+    L_tmp = (vo_L_mult(st->dtx_encSt->dtxHangoverCount, 4681) << 15);
+    st->gain_alpha = vo_mult(st->gain_alpha, extract_h(L_tmp));
 
-	if(st->dtx_encSt->dtxHangoverCount > 6)
-		st->gain_alpha = 32767;
-	HP_est_gain = HP_est_gain >> 1;     /* From Q15 to Q14 */
-	HP_corr_gain = add1(vo_mult(HP_calc_gain, st->gain_alpha), vo_mult((32767 - st->gain_alpha), HP_est_gain));
+    if(st->dtx_encSt->dtxHangoverCount > 6)
+        st->gain_alpha = 32767;
+    HP_est_gain = HP_est_gain >> 1;     /* From Q15 to Q14 */
+    HP_corr_gain = add1(vo_mult(HP_calc_gain, st->gain_alpha), vo_mult((32767 - st->gain_alpha), HP_est_gain));
 
-	/* Quantise the correction gain */
-	dist_min = 32767;
-	for (i = 0; i < 16; i++)
-	{
-		dist = vo_mult((HP_corr_gain - HP_gain[i]), (HP_corr_gain - HP_gain[i]));
-		if (dist_min > dist)
-		{
-			dist_min = dist;
-			HP_gain_ind = i;
-		}
-	}
-	HP_corr_gain = HP_gain[HP_gain_ind];
-	/* return the quantised gain index when using the highest mode, otherwise zero */
-	return (HP_gain_ind);
+    /* Quantise the correction gain */
+    dist_min = 32767;
+    for (i = 0; i < 16; i++)
+    {
+        dist = vo_mult((HP_corr_gain - HP_gain[i]), (HP_corr_gain - HP_gain[i]));
+        if (dist_min > dist)
+        {
+            dist_min = dist;
+            HP_gain_ind = i;
+        }
+    }
+    HP_corr_gain = HP_gain[HP_gain_ind];
+    /* return the quantised gain index when using the highest mode, otherwise zero */
+    return (HP_gain_ind);
 }
 
 /*************************************************
@@ -1558,33 +1558,33 @@
 
 int AMR_Enc_Encode(HAMRENC hCodec)
 {
-	Word32 i;
-	Coder_State *gData = (Coder_State*)hCodec;
-	Word16 *signal;
-	Word16 packed_size = 0;
-	Word16 prms[NB_BITS_MAX];
-	Word16 coding_mode = 0, nb_bits, allow_dtx, mode, reset_flag;
-	mode = gData->mode;
-	coding_mode = gData->mode;
-	nb_bits = nb_of_bits[mode];
-	signal = (Word16 *)gData->inputStream;
-	allow_dtx = gData->allow_dtx;
+    Word32 i;
+    Coder_State *gData = (Coder_State*)hCodec;
+    Word16 *signal;
+    Word16 packed_size = 0;
+    Word16 prms[NB_BITS_MAX];
+    Word16 coding_mode = 0, nb_bits, allow_dtx, mode, reset_flag;
+    mode = gData->mode;
+    coding_mode = gData->mode;
+    nb_bits = nb_of_bits[mode];
+    signal = (Word16 *)gData->inputStream;
+    allow_dtx = gData->allow_dtx;
 
-	/* check for homing frame */
-	reset_flag = encoder_homing_frame_test(signal);
+    /* check for homing frame */
+    reset_flag = encoder_homing_frame_test(signal);
 
-	for (i = 0; i < L_FRAME16k; i++)   /* Delete the 2 LSBs (14-bit input) */
-	{
-		*(signal + i) = (Word16) (*(signal + i) & 0xfffC);
-	}
+    for (i = 0; i < L_FRAME16k; i++)   /* Delete the 2 LSBs (14-bit input) */
+    {
+        *(signal + i) = (Word16) (*(signal + i) & 0xfffC);
+    }
 
-	coder(&coding_mode, signal, prms, &nb_bits, gData, allow_dtx);
-	packed_size = PackBits(prms, coding_mode, mode, gData);
-	if (reset_flag != 0)
-	{
-		Reset_encoder(gData, 1);
-	}
-	return packed_size;
+    coder(&coding_mode, signal, prms, &nb_bits, gData, allow_dtx);
+    packed_size = PackBits(prms, coding_mode, mode, gData);
+    if (reset_flag != 0)
+    {
+        Reset_encoder(gData, 1);
+    }
+    return packed_size;
 }
 
 /***************************************************************************
@@ -1594,94 +1594,94 @@
 ***************************************************************************/
 
 VO_U32 VO_API voAMRWB_Init(VO_HANDLE * phCodec,                   /* o: the audio codec handle */
-						   VO_AUDIO_CODINGTYPE vType,             /* i: Codec Type ID */
-						   VO_CODEC_INIT_USERDATA * pUserData     /* i: init Parameters */
-						   )
+                           VO_AUDIO_CODINGTYPE vType,             /* i: Codec Type ID */
+                           VO_CODEC_INIT_USERDATA * pUserData     /* i: init Parameters */
+                           )
 {
-	Coder_State *st;
-	FrameStream *stream;
+    Coder_State *st;
+    FrameStream *stream;
 #ifdef USE_DEAULT_MEM
-	VO_MEM_OPERATOR voMemoprator;
+    VO_MEM_OPERATOR voMemoprator;
 #endif
-	VO_MEM_OPERATOR *pMemOP;
+    VO_MEM_OPERATOR *pMemOP;
         UNUSED(vType);
 
-	int interMem = 0;
+    int interMem = 0;
 
-	if(pUserData == NULL || pUserData->memflag != VO_IMF_USERMEMOPERATOR || pUserData->memData == NULL )
-	{
+    if(pUserData == NULL || pUserData->memflag != VO_IMF_USERMEMOPERATOR || pUserData->memData == NULL )
+    {
 #ifdef USE_DEAULT_MEM
-		voMemoprator.Alloc = cmnMemAlloc;
-		voMemoprator.Copy = cmnMemCopy;
-		voMemoprator.Free = cmnMemFree;
-		voMemoprator.Set = cmnMemSet;
-		voMemoprator.Check = cmnMemCheck;
-		interMem = 1;
-		pMemOP = &voMemoprator;
+        voMemoprator.Alloc = cmnMemAlloc;
+        voMemoprator.Copy = cmnMemCopy;
+        voMemoprator.Free = cmnMemFree;
+        voMemoprator.Set = cmnMemSet;
+        voMemoprator.Check = cmnMemCheck;
+        interMem = 1;
+        pMemOP = &voMemoprator;
 #else
-		*phCodec = NULL;
-		return VO_ERR_INVALID_ARG;
+        *phCodec = NULL;
+        return VO_ERR_INVALID_ARG;
 #endif
-	}
-	else
-	{
-		pMemOP = (VO_MEM_OPERATOR *)pUserData->memData;
-	}
-	/*-------------------------------------------------------------------------*
-	 * Memory allocation for coder state.                                      *
-	 *-------------------------------------------------------------------------*/
-	if ((st = (Coder_State *)mem_malloc(pMemOP, sizeof(Coder_State), 32, VO_INDEX_ENC_AMRWB)) == NULL)
-	{
-		return VO_ERR_OUTOF_MEMORY;
-	}
+    }
+    else
+    {
+        pMemOP = (VO_MEM_OPERATOR *)pUserData->memData;
+    }
+    /*-------------------------------------------------------------------------*
+     * Memory allocation for coder state.                                      *
+     *-------------------------------------------------------------------------*/
+    if ((st = (Coder_State *)mem_malloc(pMemOP, sizeof(Coder_State), 32, VO_INDEX_ENC_AMRWB)) == NULL)
+    {
+        return VO_ERR_OUTOF_MEMORY;
+    }
 
-	st->vadSt = NULL;
-	st->dtx_encSt = NULL;
-	st->sid_update_counter = 3;
-	st->sid_handover_debt = 0;
-	st->prev_ft = TX_SPEECH;
-	st->inputStream = NULL;
-	st->inputSize = 0;
+    st->vadSt = NULL;
+    st->dtx_encSt = NULL;
+    st->sid_update_counter = 3;
+    st->sid_handover_debt = 0;
+    st->prev_ft = TX_SPEECH;
+    st->inputStream = NULL;
+    st->inputSize = 0;
 
-	/* Default setting */
-	st->mode = VOAMRWB_MD2385;                        /* bit rate 23.85kbps */
-	st->frameType = VOAMRWB_RFC3267;                  /* frame type: RFC3267 */
-	st->allow_dtx = 0;                                /* disable DTX mode */
+    /* Default setting */
+    st->mode = VOAMRWB_MD2385;                        /* bit rate 23.85kbps */
+    st->frameType = VOAMRWB_RFC3267;                  /* frame type: RFC3267 */
+    st->allow_dtx = 0;                                /* disable DTX mode */
 
-	st->outputStream = NULL;
-	st->outputSize = 0;
+    st->outputStream = NULL;
+    st->outputSize = 0;
 
-	st->stream = (FrameStream *)mem_malloc(pMemOP, sizeof(FrameStream), 32, VO_INDEX_ENC_AMRWB);
-	if(st->stream == NULL)
-		return VO_ERR_OUTOF_MEMORY;
+    st->stream = (FrameStream *)mem_malloc(pMemOP, sizeof(FrameStream), 32, VO_INDEX_ENC_AMRWB);
+    if(st->stream == NULL)
+        return VO_ERR_OUTOF_MEMORY;
 
-	st->stream->frame_ptr = (unsigned char *)mem_malloc(pMemOP, Frame_Maxsize, 32, VO_INDEX_ENC_AMRWB);
-	if(st->stream->frame_ptr == NULL)
-		return  VO_ERR_OUTOF_MEMORY;
+    st->stream->frame_ptr = (unsigned char *)mem_malloc(pMemOP, Frame_Maxsize, 32, VO_INDEX_ENC_AMRWB);
+    if(st->stream->frame_ptr == NULL)
+        return  VO_ERR_OUTOF_MEMORY;
 
-	stream = st->stream;
-	voAWB_InitFrameBuffer(stream);
+    stream = st->stream;
+    voAWB_InitFrameBuffer(stream);
 
-	wb_vad_init(&(st->vadSt), pMemOP);
-	dtx_enc_init(&(st->dtx_encSt), isf_init, pMemOP);
+    wb_vad_init(&(st->vadSt), pMemOP);
+    dtx_enc_init(&(st->dtx_encSt), isf_init, pMemOP);
 
-	Reset_encoder((void *) st, 1);
+    Reset_encoder((void *) st, 1);
 
-	if(interMem)
-	{
-		st->voMemoprator.Alloc = cmnMemAlloc;
-		st->voMemoprator.Copy = cmnMemCopy;
-		st->voMemoprator.Free = cmnMemFree;
-		st->voMemoprator.Set = cmnMemSet;
-		st->voMemoprator.Check = cmnMemCheck;
-		pMemOP = &st->voMemoprator;
-	}
+    if(interMem)
+    {
+        st->voMemoprator.Alloc = cmnMemAlloc;
+        st->voMemoprator.Copy = cmnMemCopy;
+        st->voMemoprator.Free = cmnMemFree;
+        st->voMemoprator.Set = cmnMemSet;
+        st->voMemoprator.Check = cmnMemCheck;
+        pMemOP = &st->voMemoprator;
+    }
 
-	st->pvoMemop = pMemOP;
+    st->pvoMemop = pMemOP;
 
-	*phCodec = (void *) st;
+    *phCodec = (void *) st;
 
-	return VO_ERR_NONE;
+    return VO_ERR_NONE;
 }
 
 /**********************************************************************************
@@ -1691,32 +1691,32 @@
 ***********************************************************************************/
 
 VO_U32 VO_API voAMRWB_SetInputData(
-		VO_HANDLE hCodec,                   /* i/o: The codec handle which was created by Init function */
-		VO_CODECBUFFER * pInput             /*   i: The input buffer parameter  */
-		)
+        VO_HANDLE hCodec,                   /* i/o: The codec handle which was created by Init function */
+        VO_CODECBUFFER * pInput             /*   i: The input buffer parameter  */
+        )
 {
-	Coder_State  *gData;
-	FrameStream  *stream;
+    Coder_State  *gData;
+    FrameStream  *stream;
 
-	if(NULL == hCodec)
-	{
-		return VO_ERR_INVALID_ARG;
-	}
+    if(NULL == hCodec)
+    {
+        return VO_ERR_INVALID_ARG;
+    }
 
-	gData = (Coder_State *)hCodec;
-	stream = gData->stream;
+    gData = (Coder_State *)hCodec;
+    stream = gData->stream;
 
-	if(NULL == pInput || NULL == pInput->Buffer)
-	{
-		return VO_ERR_INVALID_ARG;
-	}
+    if(NULL == pInput || NULL == pInput->Buffer)
+    {
+        return VO_ERR_INVALID_ARG;
+    }
 
-	stream->set_ptr    = pInput->Buffer;
-	stream->set_len    = pInput->Length;
-	stream->frame_ptr  = stream->frame_ptr_bk;
-	stream->used_len   = 0;
+    stream->set_ptr    = pInput->Buffer;
+    stream->set_len    = pInput->Length;
+    stream->frame_ptr  = stream->frame_ptr_bk;
+    stream->used_len   = 0;
 
-	return VO_ERR_NONE;
+    return VO_ERR_NONE;
 }
 
 /**************************************************************************************
@@ -1726,52 +1726,52 @@
 ***************************************************************************************/
 
 VO_U32 VO_API voAMRWB_GetOutputData(
-		VO_HANDLE hCodec,                    /* i: The Codec Handle which was created by Init function*/
-		VO_CODECBUFFER * pOutput,            /* o: The output audio data */
-		VO_AUDIO_OUTPUTINFO * pAudioFormat   /* o: The encoder module filled audio format and used the input size*/
-		)
+        VO_HANDLE hCodec,                    /* i: The Codec Handle which was created by Init function*/
+        VO_CODECBUFFER * pOutput,            /* o: The output audio data */
+        VO_AUDIO_OUTPUTINFO * pAudioFormat   /* o: The encoder module filled audio format and used the input size*/
+        )
 {
-	Coder_State* gData = (Coder_State*)hCodec;
-	VO_MEM_OPERATOR  *pMemOP;
-	FrameStream  *stream = (FrameStream *)gData->stream;
-	pMemOP = (VO_MEM_OPERATOR  *)gData->pvoMemop;
+    Coder_State* gData = (Coder_State*)hCodec;
+    VO_MEM_OPERATOR  *pMemOP;
+    FrameStream  *stream = (FrameStream *)gData->stream;
+    pMemOP = (VO_MEM_OPERATOR  *)gData->pvoMemop;
 
-	if(stream->framebuffer_len  < Frame_MaxByte)         /* check the work buffer len */
-	{
-		stream->frame_storelen = stream->framebuffer_len;
-		if(stream->frame_storelen)
-		{
-			pMemOP->Copy(VO_INDEX_ENC_AMRWB, stream->frame_ptr_bk , stream->frame_ptr , stream->frame_storelen);
-		}
-		if(stream->set_len > 0)
-		{
-			voAWB_UpdateFrameBuffer(stream, pMemOP);
-		}
-		if(stream->framebuffer_len < Frame_MaxByte)
-		{
-			if(pAudioFormat)
-				pAudioFormat->InputUsed = stream->used_len;
-			return VO_ERR_INPUT_BUFFER_SMALL;
-		}
-	}
+    if(stream->framebuffer_len  < Frame_MaxByte)         /* check the work buffer len */
+    {
+        stream->frame_storelen = stream->framebuffer_len;
+        if(stream->frame_storelen)
+        {
+            pMemOP->Copy(VO_INDEX_ENC_AMRWB, stream->frame_ptr_bk , stream->frame_ptr , stream->frame_storelen);
+        }
+        if(stream->set_len > 0)
+        {
+            voAWB_UpdateFrameBuffer(stream, pMemOP);
+        }
+        if(stream->framebuffer_len < Frame_MaxByte)
+        {
+            if(pAudioFormat)
+                pAudioFormat->InputUsed = stream->used_len;
+            return VO_ERR_INPUT_BUFFER_SMALL;
+        }
+    }
 
-	gData->inputStream = stream->frame_ptr;
-	gData->outputStream = (unsigned short*)pOutput->Buffer;
+    gData->inputStream = stream->frame_ptr;
+    gData->outputStream = (unsigned short*)pOutput->Buffer;
 
-	gData->outputSize = AMR_Enc_Encode(gData);         /* encoder main function */
+    gData->outputSize = AMR_Enc_Encode(gData);         /* encoder main function */
 
-	pOutput->Length = gData->outputSize;               /* get the output buffer length */
-	stream->frame_ptr += 640;                          /* update the work buffer ptr */
-	stream->framebuffer_len  -= 640;
+    pOutput->Length = gData->outputSize;               /* get the output buffer length */
+    stream->frame_ptr += 640;                          /* update the work buffer ptr */
+    stream->framebuffer_len  -= 640;
 
-	if(pAudioFormat)                                   /* return output audio information */
-	{
-		pAudioFormat->Format.Channels = 1;
-		pAudioFormat->Format.SampleRate = 8000;
-		pAudioFormat->Format.SampleBits = 16;
-		pAudioFormat->InputUsed = stream->used_len;
-	}
-	return VO_ERR_NONE;
+    if(pAudioFormat)                                   /* return output audio information */
+    {
+        pAudioFormat->Format.Channels = 1;
+        pAudioFormat->Format.SampleRate = 8000;
+        pAudioFormat->Format.SampleBits = 16;
+        pAudioFormat->InputUsed = stream->used_len;
+    }
+    return VO_ERR_NONE;
 }
 
 /*************************************************************************
@@ -1782,50 +1782,50 @@
 
 
 VO_U32 VO_API voAMRWB_SetParam(
-		VO_HANDLE hCodec,   /* i/o: The Codec Handle which was created by Init function */
-		VO_S32 uParamID,    /*   i: The param ID */
-		VO_PTR pData        /*   i: The param value depend on the ID */
-		)
+        VO_HANDLE hCodec,   /* i/o: The Codec Handle which was created by Init function */
+        VO_S32 uParamID,    /*   i: The param ID */
+        VO_PTR pData        /*   i: The param value depend on the ID */
+        )
 {
-	Coder_State* gData = (Coder_State*)hCodec;
-	FrameStream *stream = (FrameStream *)(gData->stream);
-	int *lValue = (int*)pData;
+    Coder_State* gData = (Coder_State*)hCodec;
+    FrameStream *stream = (FrameStream *)(gData->stream);
+    int *lValue = (int*)pData;
 
-	switch(uParamID)
-	{
-		/* setting AMR-WB frame type*/
-		case VO_PID_AMRWB_FRAMETYPE:
-			if(*lValue < VOAMRWB_DEFAULT || *lValue > VOAMRWB_RFC3267)
-				return VO_ERR_WRONG_PARAM_ID;
-			gData->frameType = *lValue;
-			break;
-		/* setting AMR-WB bit rate */
-		case VO_PID_AMRWB_MODE:
-			{
-				if(*lValue < VOAMRWB_MD66 || *lValue > VOAMRWB_MD2385)
-					return VO_ERR_WRONG_PARAM_ID;
-				gData->mode = *lValue;
-			}
-			break;
-		/* enable or disable DTX mode */
-		case VO_PID_AMRWB_DTX:
-			gData->allow_dtx = (Word16)(*lValue);
-			break;
+    switch(uParamID)
+    {
+        /* setting AMR-WB frame type*/
+        case VO_PID_AMRWB_FRAMETYPE:
+            if(*lValue < VOAMRWB_DEFAULT || *lValue > VOAMRWB_RFC3267)
+                return VO_ERR_WRONG_PARAM_ID;
+            gData->frameType = *lValue;
+            break;
+        /* setting AMR-WB bit rate */
+        case VO_PID_AMRWB_MODE:
+            {
+                if(*lValue < VOAMRWB_MD66 || *lValue > VOAMRWB_MD2385)
+                    return VO_ERR_WRONG_PARAM_ID;
+                gData->mode = *lValue;
+            }
+            break;
+        /* enable or disable DTX mode */
+        case VO_PID_AMRWB_DTX:
+            gData->allow_dtx = (Word16)(*lValue);
+            break;
 
-		case VO_PID_COMMON_HEADDATA:
-			break;
+        case VO_PID_COMMON_HEADDATA:
+            break;
         /* flush the work buffer */
-		case VO_PID_COMMON_FLUSH:
-			stream->set_ptr = NULL;
-			stream->frame_storelen = 0;
-			stream->framebuffer_len = 0;
-			stream->set_len = 0;
-			break;
+        case VO_PID_COMMON_FLUSH:
+            stream->set_ptr = NULL;
+            stream->frame_storelen = 0;
+            stream->framebuffer_len = 0;
+            stream->set_len = 0;
+            break;
 
-		default:
-			return VO_ERR_WRONG_PARAM_ID;
-	}
-	return VO_ERR_NONE;
+        default:
+            return VO_ERR_WRONG_PARAM_ID;
+    }
+    return VO_ERR_NONE;
 }
 
 /**************************************************************************
@@ -1835,52 +1835,52 @@
 ***************************************************************************/
 
 VO_U32 VO_API voAMRWB_GetParam(
-		VO_HANDLE hCodec,      /* i: The Codec Handle which was created by Init function */
-		VO_S32 uParamID,       /* i: The param ID */
-		VO_PTR pData           /* o: The param value depend on the ID */
-		)
+        VO_HANDLE hCodec,      /* i: The Codec Handle which was created by Init function */
+        VO_S32 uParamID,       /* i: The param ID */
+        VO_PTR pData           /* o: The param value depend on the ID */
+        )
 {
-	int    temp;
-	Coder_State* gData = (Coder_State*)hCodec;
+    int    temp;
+    Coder_State* gData = (Coder_State*)hCodec;
 
-	if (gData==NULL)
-		return VO_ERR_INVALID_ARG;
-	switch(uParamID)
-	{
-		/* output audio format */
-		case VO_PID_AMRWB_FORMAT:
-			{
-				VO_AUDIO_FORMAT* fmt = (VO_AUDIO_FORMAT*)pData;
-				fmt->Channels   = 1;
-				fmt->SampleRate = 16000;
-				fmt->SampleBits = 16;
-				break;
-			}
+    if (gData==NULL)
+        return VO_ERR_INVALID_ARG;
+    switch(uParamID)
+    {
+        /* output audio format */
+        case VO_PID_AMRWB_FORMAT:
+            {
+                VO_AUDIO_FORMAT* fmt = (VO_AUDIO_FORMAT*)pData;
+                fmt->Channels   = 1;
+                fmt->SampleRate = 16000;
+                fmt->SampleBits = 16;
+                break;
+            }
         /* output audio channel number */
-		case VO_PID_AMRWB_CHANNELS:
-			temp = 1;
-			pData = (void *)(&temp);
-			break;
+        case VO_PID_AMRWB_CHANNELS:
+            temp = 1;
+            pData = (void *)(&temp);
+            break;
         /* output audio sample rate */
-		case VO_PID_AMRWB_SAMPLERATE:
-			temp = 16000;
-			pData = (void *)(&temp);
-			break;
-		/* output audio frame type */
-		case VO_PID_AMRWB_FRAMETYPE:
-			temp = gData->frameType;
-			pData = (void *)(&temp);
-			break;
-		/* output audio bit rate */
-		case VO_PID_AMRWB_MODE:
-			temp = gData->mode;
-			pData = (void *)(&temp);
-			break;
-		default:
-			return VO_ERR_WRONG_PARAM_ID;
-	}
+        case VO_PID_AMRWB_SAMPLERATE:
+            temp = 16000;
+            pData = (void *)(&temp);
+            break;
+        /* output audio frame type */
+        case VO_PID_AMRWB_FRAMETYPE:
+            temp = gData->frameType;
+            pData = (void *)(&temp);
+            break;
+        /* output audio bit rate */
+        case VO_PID_AMRWB_MODE:
+            temp = gData->mode;
+            pData = (void *)(&temp);
+            break;
+        default:
+            return VO_ERR_WRONG_PARAM_ID;
+    }
 
-	return VO_ERR_NONE;
+    return VO_ERR_NONE;
 }
 
 /***********************************************************************************
@@ -1890,32 +1890,32 @@
 *************************************************************************************/
 
 VO_U32 VO_API voAMRWB_Uninit(VO_HANDLE hCodec           /* i/o: Codec handle pointer */
-							 )
+                             )
 {
-	Coder_State* gData = (Coder_State*)hCodec;
-	VO_MEM_OPERATOR *pMemOP;
-	pMemOP = gData->pvoMemop;
+    Coder_State* gData = (Coder_State*)hCodec;
+    VO_MEM_OPERATOR *pMemOP;
+    pMemOP = gData->pvoMemop;
 
-	if(hCodec)
-	{
-		if(gData->stream)
-		{
-			if(gData->stream->frame_ptr_bk)
-			{
-				mem_free(pMemOP, gData->stream->frame_ptr_bk, VO_INDEX_ENC_AMRWB);
-				gData->stream->frame_ptr_bk = NULL;
-			}
-			mem_free(pMemOP, gData->stream, VO_INDEX_ENC_AMRWB);
-			gData->stream = NULL;
-		}
-		wb_vad_exit(&(((Coder_State *) gData)->vadSt), pMemOP);
-		dtx_enc_exit(&(((Coder_State *) gData)->dtx_encSt), pMemOP);
+    if(hCodec)
+    {
+        if(gData->stream)
+        {
+            if(gData->stream->frame_ptr_bk)
+            {
+                mem_free(pMemOP, gData->stream->frame_ptr_bk, VO_INDEX_ENC_AMRWB);
+                gData->stream->frame_ptr_bk = NULL;
+            }
+            mem_free(pMemOP, gData->stream, VO_INDEX_ENC_AMRWB);
+            gData->stream = NULL;
+        }
+        wb_vad_exit(&(((Coder_State *) gData)->vadSt), pMemOP);
+        dtx_enc_exit(&(((Coder_State *) gData)->dtx_encSt), pMemOP);
 
-		mem_free(pMemOP, hCodec, VO_INDEX_ENC_AMRWB);
-		hCodec = NULL;
-	}
+        mem_free(pMemOP, hCodec, VO_INDEX_ENC_AMRWB);
+        hCodec = NULL;
+    }
 
-	return VO_ERR_NONE;
+    return VO_ERR_NONE;
 }
 
 /********************************************************************************
@@ -1925,19 +1925,19 @@
 ********************************************************************************/
 
 VO_S32 VO_API voGetAMRWBEncAPI(
-							   VO_AUDIO_CODECAPI * pEncHandle      /* i/o: Codec handle pointer */
-							   )
+                               VO_AUDIO_CODECAPI * pEncHandle      /* i/o: Codec handle pointer */
+                               )
 {
-	if(NULL == pEncHandle)
-		return VO_ERR_INVALID_ARG;
-	pEncHandle->Init = voAMRWB_Init;
-	pEncHandle->SetInputData = voAMRWB_SetInputData;
-	pEncHandle->GetOutputData = voAMRWB_GetOutputData;
-	pEncHandle->SetParam = voAMRWB_SetParam;
-	pEncHandle->GetParam = voAMRWB_GetParam;
-	pEncHandle->Uninit = voAMRWB_Uninit;
+    if(NULL == pEncHandle)
+        return VO_ERR_INVALID_ARG;
+    pEncHandle->Init = voAMRWB_Init;
+    pEncHandle->SetInputData = voAMRWB_SetInputData;
+    pEncHandle->GetOutputData = voAMRWB_GetOutputData;
+    pEncHandle->SetParam = voAMRWB_SetParam;
+    pEncHandle->GetParam = voAMRWB_GetParam;
+    pEncHandle->Uninit = voAMRWB_Uninit;
 
-	return VO_ERR_NONE;
+    return VO_ERR_NONE;
 }
 
 #ifdef __cplusplus
diff --git a/media/libstagefright/codecs/amrwbenc/src/voicefac.c b/media/libstagefright/codecs/amrwbenc/src/voicefac.c
index d890044..c9f48c2 100644
--- a/media/libstagefright/codecs/amrwbenc/src/voicefac.c
+++ b/media/libstagefright/codecs/amrwbenc/src/voicefac.c
@@ -26,65 +26,65 @@
 #include "math_op.h"
 
 Word16 voice_factor(                                  /* (o) Q15   : factor (-1=unvoiced to 1=voiced) */
-		Word16 exc[],                         /* (i) Q_exc : pitch excitation                 */
-		Word16 Q_exc,                         /* (i)       : exc format                       */
-		Word16 gain_pit,                      /* (i) Q14   : gain of pitch                    */
-		Word16 code[],                        /* (i) Q9    : Fixed codebook excitation        */
-		Word16 gain_code,                     /* (i) Q0    : gain of code                     */
-		Word16 L_subfr                        /* (i)       : subframe length                  */
-		)
+        Word16 exc[],                         /* (i) Q_exc : pitch excitation                 */
+        Word16 Q_exc,                         /* (i)       : exc format                       */
+        Word16 gain_pit,                      /* (i) Q14   : gain of pitch                    */
+        Word16 code[],                        /* (i) Q9    : Fixed codebook excitation        */
+        Word16 gain_code,                     /* (i) Q0    : gain of code                     */
+        Word16 L_subfr                        /* (i)       : subframe length                  */
+        )
 {
-	Word16 tmp, exp, ener1, exp1, ener2, exp2;
-	Word32 i, L_tmp;
+    Word16 tmp, exp, ener1, exp1, ener2, exp2;
+    Word32 i, L_tmp;
 
 #ifdef ASM_OPT               /* asm optimization branch */
-	ener1 = extract_h(Dot_product12_asm(exc, exc, L_subfr, &exp1));
+    ener1 = extract_h(Dot_product12_asm(exc, exc, L_subfr, &exp1));
 #else
-	ener1 = extract_h(Dot_product12(exc, exc, L_subfr, &exp1));
+    ener1 = extract_h(Dot_product12(exc, exc, L_subfr, &exp1));
 #endif
-	exp1 = exp1 - (Q_exc + Q_exc);
-	L_tmp = vo_L_mult(gain_pit, gain_pit);
-	exp = norm_l(L_tmp);
-	tmp = extract_h(L_tmp << exp);
-	ener1 = vo_mult(ener1, tmp);
-	exp1 = exp1 - exp - 10;        /* 10 -> gain_pit Q14 to Q9 */
+    exp1 = exp1 - (Q_exc + Q_exc);
+    L_tmp = vo_L_mult(gain_pit, gain_pit);
+    exp = norm_l(L_tmp);
+    tmp = extract_h(L_tmp << exp);
+    ener1 = vo_mult(ener1, tmp);
+    exp1 = exp1 - exp - 10;        /* 10 -> gain_pit Q14 to Q9 */
 
 #ifdef ASM_OPT                /* asm optimization branch */
-	ener2 = extract_h(Dot_product12_asm(code, code, L_subfr, &exp2));
+    ener2 = extract_h(Dot_product12_asm(code, code, L_subfr, &exp2));
 #else
-	ener2 = extract_h(Dot_product12(code, code, L_subfr, &exp2));
+    ener2 = extract_h(Dot_product12(code, code, L_subfr, &exp2));
 #endif
 
-	exp = norm_s(gain_code);
-	tmp = gain_code << exp;
-	tmp = vo_mult(tmp, tmp);
-	ener2 = vo_mult(ener2, tmp);
-	exp2 = exp2 - (exp + exp);
+    exp = norm_s(gain_code);
+    tmp = gain_code << exp;
+    tmp = vo_mult(tmp, tmp);
+    ener2 = vo_mult(ener2, tmp);
+    exp2 = exp2 - (exp + exp);
 
-	i = exp1 - exp2;
+    i = exp1 - exp2;
 
-	if (i >= 0)
-	{
-		ener1 = ener1 >> 1;
-		ener2 = ener2 >> (i + 1);
-	} else
-	{
-		ener1 = ener1 >> (1 - i);
-		ener2 = ener2 >> 1;
-	}
+    if (i >= 0)
+    {
+        ener1 = ener1 >> 1;
+        ener2 = ener2 >> (i + 1);
+    } else
+    {
+        ener1 = ener1 >> (1 - i);
+        ener2 = ener2 >> 1;
+    }
 
-	tmp = vo_sub(ener1, ener2);
-	ener1 = add1(add1(ener1, ener2), 1);
+    tmp = vo_sub(ener1, ener2);
+    ener1 = add1(add1(ener1, ener2), 1);
 
-	if (tmp >= 0)
-	{
-		tmp = div_s(tmp, ener1);
-	} else
-	{
-		tmp = vo_negate(div_s(vo_negate(tmp), ener1));
-	}
+    if (tmp >= 0)
+    {
+        tmp = div_s(tmp, ener1);
+    } else
+    {
+        tmp = vo_negate(div_s(vo_negate(tmp), ener1));
+    }
 
-	return (tmp);
+    return (tmp);
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/wb_vad.c b/media/libstagefright/codecs/amrwbenc/src/wb_vad.c
index 2beaefd..866a69c 100644
--- a/media/libstagefright/codecs/amrwbenc/src/wb_vad.c
+++ b/media/libstagefright/codecs/amrwbenc/src/wb_vad.c
@@ -44,30 +44,30 @@
 *********************************************************************************/
 
 static Word16 ilog2(                       /* return: output value of the log2 */
-		Word16 mant                        /* i: value to be converted */
-		)
+        Word16 mant                        /* i: value to be converted */
+        )
 {
-	Word16 ex, ex2, res;
-	Word32 i, l_temp;
+    Word16 ex, ex2, res;
+    Word32 i, l_temp;
 
-	if (mant <= 0)
-	{
-		mant = 1;
-	}
-	ex = norm_s(mant);
-	mant = mant << ex;
+    if (mant <= 0)
+    {
+        mant = 1;
+    }
+    ex = norm_s(mant);
+    mant = mant << ex;
 
-	for (i = 0; i < 3; i++)
-		mant = vo_mult(mant, mant);
-	l_temp = vo_L_mult(mant, mant);
+    for (i = 0; i < 3; i++)
+        mant = vo_mult(mant, mant);
+    l_temp = vo_L_mult(mant, mant);
 
-	ex2 = norm_l(l_temp);
-	mant = extract_h(l_temp << ex2);
+    ex2 = norm_l(l_temp);
+    mant = extract_h(l_temp << ex2);
 
-	res = (ex + 16) << 10;
-	res = add1(res, (ex2 << 6));
-	res = vo_sub(add1(res, 127), (mant >> 8));
-	return (res);
+    res = (ex + 16) << 10;
+    res = add1(res, (ex2 << 6));
+    res = vo_sub(add1(res, 127), (mant >> 8));
+    return (res);
 }
 
 /******************************************************************************
@@ -79,23 +79,23 @@
 *******************************************************************************/
 
 static void filter5(
-		Word16 * in0,                         /* i/o : input values; output low-pass part  */
-		Word16 * in1,                         /* i/o : input values; output high-pass part */
-		Word16 data[]                         /* i/o : filter memory                       */
-		)
+        Word16 * in0,                         /* i/o : input values; output low-pass part  */
+        Word16 * in1,                         /* i/o : input values; output high-pass part */
+        Word16 data[]                         /* i/o : filter memory                       */
+        )
 {
-	Word16 temp0, temp1, temp2;
+    Word16 temp0, temp1, temp2;
 
-	temp0 = vo_sub(*in0, vo_mult(COEFF5_1, data[0]));
-	temp1 = add1(data[0], vo_mult(COEFF5_1, temp0));
-	data[0] = temp0;
+    temp0 = vo_sub(*in0, vo_mult(COEFF5_1, data[0]));
+    temp1 = add1(data[0], vo_mult(COEFF5_1, temp0));
+    data[0] = temp0;
 
-	temp0 = vo_sub(*in1, vo_mult(COEFF5_2, data[1]));
-	temp2 = add1(data[1], vo_mult(COEFF5_2, temp0));
-	data[1] = temp0;
+    temp0 = vo_sub(*in1, vo_mult(COEFF5_2, data[1]));
+    temp2 = add1(data[1], vo_mult(COEFF5_2, temp0));
+    data[1] = temp0;
 
-	*in0 = extract_h((vo_L_add(temp1, temp2) << 15));
-	*in1 = extract_h((vo_L_sub(temp1, temp2) << 15));
+    *in0 = extract_h((vo_L_add(temp1, temp2) << 15));
+    *in1 = extract_h((vo_L_sub(temp1, temp2) << 15));
 }
 
 /******************************************************************************
@@ -107,19 +107,19 @@
 *******************************************************************************/
 
 static void filter3(
-		Word16 * in0,                         /* i/o : input values; output low-pass part  */
-		Word16 * in1,                         /* i/o : input values; output high-pass part */
-		Word16 * data                         /* i/o : filter memory                       */
-		)
+        Word16 * in0,                         /* i/o : input values; output low-pass part  */
+        Word16 * in1,                         /* i/o : input values; output high-pass part */
+        Word16 * data                         /* i/o : filter memory                       */
+        )
 {
-	Word16 temp1, temp2;
+    Word16 temp1, temp2;
 
-	temp1 = vo_sub(*in1, vo_mult(COEFF3, *data));
-	temp2 = add1(*data, vo_mult(COEFF3, temp1));
-	*data = temp1;
+    temp1 = vo_sub(*in1, vo_mult(COEFF3, *data));
+    temp2 = add1(*data, vo_mult(COEFF3, temp1));
+    *data = temp1;
 
-	*in1 = extract_h((vo_L_sub(*in0, temp2) << 15));
-	*in0 = extract_h((vo_L_add(*in0, temp2) << 15));
+    *in1 = extract_h((vo_L_sub(*in0, temp2) << 15));
+    *in0 = extract_h((vo_L_add(*in0, temp2) << 15));
 }
 
 /******************************************************************************
@@ -135,36 +135,36 @@
 ******************************************************************************/
 
 static Word16 level_calculation(                      /* return: signal level */
-		Word16 data[],                        /* i   : signal buffer                                    */
-		Word16 * sub_level,                   /* i   : level calculated at the end of the previous frame*/
-		                                      /* o   : level of signal calculated from the last         */
-		                                      /*       (count2 - count1) samples                        */
-		Word16 count1,                        /* i   : number of samples to be counted                  */
-		Word16 count2,                        /* i   : number of samples to be counted                  */
-		Word16 ind_m,                         /* i   : step size for the index of the data buffer       */
-		Word16 ind_a,                         /* i   : starting index of the data buffer                */
-		Word16 scale                          /* i   : scaling for the level calculation                */
-		)
+        Word16 data[],                        /* i   : signal buffer                                    */
+        Word16 * sub_level,                   /* i   : level calculated at the end of the previous frame*/
+                                              /* o   : level of signal calculated from the last         */
+                                              /*       (count2 - count1) samples                        */
+        Word16 count1,                        /* i   : number of samples to be counted                  */
+        Word16 count2,                        /* i   : number of samples to be counted                  */
+        Word16 ind_m,                         /* i   : step size for the index of the data buffer       */
+        Word16 ind_a,                         /* i   : starting index of the data buffer                */
+        Word16 scale                          /* i   : scaling for the level calculation                */
+        )
 {
-	Word32 i, l_temp1, l_temp2;
-	Word16 level;
+    Word32 i, l_temp1, l_temp2;
+    Word16 level;
 
-	l_temp1 = 0L;
-	for (i = count1; i < count2; i++)
-	{
-		l_temp1 += (abs_s(data[ind_m * i + ind_a])<<1);
-	}
+    l_temp1 = 0L;
+    for (i = count1; i < count2; i++)
+    {
+        l_temp1 += (abs_s(data[ind_m * i + ind_a])<<1);
+    }
 
-	l_temp2 = vo_L_add(l_temp1, L_shl(*sub_level, 16 - scale));
-	*sub_level = extract_h(L_shl(l_temp1, scale));
+    l_temp2 = vo_L_add(l_temp1, L_shl(*sub_level, 16 - scale));
+    *sub_level = extract_h(L_shl(l_temp1, scale));
 
-	for (i = 0; i < count1; i++)
-	{
-		l_temp2 += (abs_s(data[ind_m * i + ind_a])<<1);
-	}
-	level = extract_h(L_shl2(l_temp2, scale));
+    for (i = 0; i < count1; i++)
+    {
+        l_temp2 += (abs_s(data[ind_m * i + ind_a])<<1);
+    }
+    level = extract_h(L_shl2(l_temp2, scale));
 
-	return level;
+    return level;
 }
 
 /******************************************************************************
@@ -176,75 +176,75 @@
 *******************************************************************************/
 
 static void filter_bank(
-		VadVars * st,                         /* i/o : State struct               */
-		Word16 in[],                          /* i   : input frame                */
-		Word16 level[]                        /* o   : signal levels at each band */
-		)
+        VadVars * st,                         /* i/o : State struct               */
+        Word16 in[],                          /* i   : input frame                */
+        Word16 level[]                        /* o   : signal levels at each band */
+        )
 {
-	Word32 i;
-	Word16 tmp_buf[FRAME_LEN];
+    Word32 i;
+    Word16 tmp_buf[FRAME_LEN];
 
-	/* shift input 1 bit down for safe scaling */
-	for (i = 0; i < FRAME_LEN; i++)
-	{
-		tmp_buf[i] = in[i] >> 1;
-	}
+    /* shift input 1 bit down for safe scaling */
+    for (i = 0; i < FRAME_LEN; i++)
+    {
+        tmp_buf[i] = in[i] >> 1;
+    }
 
-	/* run the filter bank */
-	for (i = 0; i < 128; i++)
-	{
-		filter5(&tmp_buf[2 * i], &tmp_buf[2 * i + 1], st->a_data5[0]);
-	}
-	for (i = 0; i < 64; i++)
-	{
-		filter5(&tmp_buf[4 * i], &tmp_buf[4 * i + 2], st->a_data5[1]);
-		filter5(&tmp_buf[4 * i + 1], &tmp_buf[4 * i + 3], st->a_data5[2]);
-	}
-	for (i = 0; i < 32; i++)
-	{
-		filter5(&tmp_buf[8 * i], &tmp_buf[8 * i + 4], st->a_data5[3]);
-		filter5(&tmp_buf[8 * i + 2], &tmp_buf[8 * i + 6], st->a_data5[4]);
-		filter3(&tmp_buf[8 * i + 3], &tmp_buf[8 * i + 7], &st->a_data3[0]);
-	}
-	for (i = 0; i < 16; i++)
-	{
-		filter3(&tmp_buf[16 * i + 0], &tmp_buf[16 * i + 8], &st->a_data3[1]);
-		filter3(&tmp_buf[16 * i + 4], &tmp_buf[16 * i + 12], &st->a_data3[2]);
-		filter3(&tmp_buf[16 * i + 6], &tmp_buf[16 * i + 14], &st->a_data3[3]);
-	}
+    /* run the filter bank */
+    for (i = 0; i < 128; i++)
+    {
+        filter5(&tmp_buf[2 * i], &tmp_buf[2 * i + 1], st->a_data5[0]);
+    }
+    for (i = 0; i < 64; i++)
+    {
+        filter5(&tmp_buf[4 * i], &tmp_buf[4 * i + 2], st->a_data5[1]);
+        filter5(&tmp_buf[4 * i + 1], &tmp_buf[4 * i + 3], st->a_data5[2]);
+    }
+    for (i = 0; i < 32; i++)
+    {
+        filter5(&tmp_buf[8 * i], &tmp_buf[8 * i + 4], st->a_data5[3]);
+        filter5(&tmp_buf[8 * i + 2], &tmp_buf[8 * i + 6], st->a_data5[4]);
+        filter3(&tmp_buf[8 * i + 3], &tmp_buf[8 * i + 7], &st->a_data3[0]);
+    }
+    for (i = 0; i < 16; i++)
+    {
+        filter3(&tmp_buf[16 * i + 0], &tmp_buf[16 * i + 8], &st->a_data3[1]);
+        filter3(&tmp_buf[16 * i + 4], &tmp_buf[16 * i + 12], &st->a_data3[2]);
+        filter3(&tmp_buf[16 * i + 6], &tmp_buf[16 * i + 14], &st->a_data3[3]);
+    }
 
-	for (i = 0; i < 8; i++)
-	{
-		filter3(&tmp_buf[32 * i + 0], &tmp_buf[32 * i + 16], &st->a_data3[4]);
-		filter3(&tmp_buf[32 * i + 8], &tmp_buf[32 * i + 24], &st->a_data3[5]);
-	}
+    for (i = 0; i < 8; i++)
+    {
+        filter3(&tmp_buf[32 * i + 0], &tmp_buf[32 * i + 16], &st->a_data3[4]);
+        filter3(&tmp_buf[32 * i + 8], &tmp_buf[32 * i + 24], &st->a_data3[5]);
+    }
 
-	/* calculate levels in each frequency band */
+    /* calculate levels in each frequency band */
 
-	/* 4800 - 6400 Hz */
-	level[11] = level_calculation(tmp_buf, &st->sub_level[11], 16, 64, 4, 1, 14);
-	/* 4000 - 4800 Hz */
-	level[10] = level_calculation(tmp_buf, &st->sub_level[10], 8, 32, 8, 7, 15);
-	/* 3200 - 4000 Hz */
-	level[9] = level_calculation(tmp_buf, &st->sub_level[9],8, 32, 8, 3, 15);
-	/* 2400 - 3200 Hz */
-	level[8] = level_calculation(tmp_buf, &st->sub_level[8],8, 32, 8, 2, 15);
-	/* 2000 - 2400 Hz */
-	level[7] = level_calculation(tmp_buf, &st->sub_level[7],4, 16, 16, 14, 16);
-	/* 1600 - 2000 Hz */
-	level[6] = level_calculation(tmp_buf, &st->sub_level[6],4, 16, 16, 6, 16);
-	/* 1200 - 1600 Hz */
-	level[5] = level_calculation(tmp_buf, &st->sub_level[5],4, 16, 16, 4, 16);
-	/* 800 - 1200 Hz */
-	level[4] = level_calculation(tmp_buf, &st->sub_level[4],4, 16, 16, 12, 16);
-	/* 600 - 800 Hz */
-	level[3] = level_calculation(tmp_buf, &st->sub_level[3],2, 8, 32, 8, 17);
-	/* 400 - 600 Hz */
-	level[2] = level_calculation(tmp_buf, &st->sub_level[2],2, 8, 32, 24, 17);
-	/* 200 - 400 Hz */
-	level[1] = level_calculation(tmp_buf, &st->sub_level[1],2, 8, 32, 16, 17);
-	/* 0 - 200 Hz */
-	level[0] = level_calculation(tmp_buf, &st->sub_level[0],2, 8, 32, 0, 17);
+    /* 4800 - 6400 Hz */
+    level[11] = level_calculation(tmp_buf, &st->sub_level[11], 16, 64, 4, 1, 14);
+    /* 4000 - 4800 Hz */
+    level[10] = level_calculation(tmp_buf, &st->sub_level[10], 8, 32, 8, 7, 15);
+    /* 3200 - 4000 Hz */
+    level[9] = level_calculation(tmp_buf, &st->sub_level[9],8, 32, 8, 3, 15);
+    /* 2400 - 3200 Hz */
+    level[8] = level_calculation(tmp_buf, &st->sub_level[8],8, 32, 8, 2, 15);
+    /* 2000 - 2400 Hz */
+    level[7] = level_calculation(tmp_buf, &st->sub_level[7],4, 16, 16, 14, 16);
+    /* 1600 - 2000 Hz */
+    level[6] = level_calculation(tmp_buf, &st->sub_level[6],4, 16, 16, 6, 16);
+    /* 1200 - 1600 Hz */
+    level[5] = level_calculation(tmp_buf, &st->sub_level[5],4, 16, 16, 4, 16);
+    /* 800 - 1200 Hz */
+    level[4] = level_calculation(tmp_buf, &st->sub_level[4],4, 16, 16, 12, 16);
+    /* 600 - 800 Hz */
+    level[3] = level_calculation(tmp_buf, &st->sub_level[3],2, 8, 32, 8, 17);
+    /* 400 - 600 Hz */
+    level[2] = level_calculation(tmp_buf, &st->sub_level[2],2, 8, 32, 24, 17);
+    /* 200 - 400 Hz */
+    level[1] = level_calculation(tmp_buf, &st->sub_level[1],2, 8, 32, 16, 17);
+    /* 0 - 200 Hz */
+    level[0] = level_calculation(tmp_buf, &st->sub_level[0],2, 8, 32, 0, 17);
 }
 
 /******************************************************************************
@@ -255,86 +255,86 @@
 *******************************************************************************/
 
 static void update_cntrl(
-		VadVars * st,                         /* i/o : State structure                    */
-		Word16 level[]                        /* i   : sub-band levels of the input frame */
-		)
+        VadVars * st,                         /* i/o : State structure                    */
+        Word16 level[]                        /* i   : sub-band levels of the input frame */
+        )
 {
-	Word32 i;
-	Word16 num, temp, stat_rat, exp, denom;
-	Word16 alpha;
+    Word32 i;
+    Word16 num, temp, stat_rat, exp, denom;
+    Word16 alpha;
 
-	/* if a tone has been detected for a while, initialize stat_count */
-	if (sub((Word16) (st->tone_flag & 0x7c00), 0x7c00) == 0)
-	{
-		st->stat_count = STAT_COUNT;
-	} else
-	{
-		/* if 8 last vad-decisions have been "0", reinitialize stat_count */
-		if ((st->vadreg & 0x7f80) == 0)
-		{
-			st->stat_count = STAT_COUNT;
-		} else
-		{
-			stat_rat = 0;
-			for (i = 0; i < COMPLEN; i++)
-			{
-				if(level[i] > st->ave_level[i])
-				{
-					num = level[i];
-					denom = st->ave_level[i];
-				} else
-				{
-					num = st->ave_level[i];
-					denom = level[i];
-				}
-				/* Limit nimimum value of num and denom to STAT_THR_LEVEL */
-				if(num < STAT_THR_LEVEL)
-				{
-					num = STAT_THR_LEVEL;
-				}
-				if(denom < STAT_THR_LEVEL)
-				{
-					denom = STAT_THR_LEVEL;
-				}
-				exp = norm_s(denom);
-				denom = denom << exp;
+    /* if a tone has been detected for a while, initialize stat_count */
+    if (sub((Word16) (st->tone_flag & 0x7c00), 0x7c00) == 0)
+    {
+        st->stat_count = STAT_COUNT;
+    } else
+    {
+        /* if 8 last vad-decisions have been "0", reinitialize stat_count */
+        if ((st->vadreg & 0x7f80) == 0)
+        {
+            st->stat_count = STAT_COUNT;
+        } else
+        {
+            stat_rat = 0;
+            for (i = 0; i < COMPLEN; i++)
+            {
+                if(level[i] > st->ave_level[i])
+                {
+                    num = level[i];
+                    denom = st->ave_level[i];
+                } else
+                {
+                    num = st->ave_level[i];
+                    denom = level[i];
+                }
+                /* Limit nimimum value of num and denom to STAT_THR_LEVEL */
+                if(num < STAT_THR_LEVEL)
+                {
+                    num = STAT_THR_LEVEL;
+                }
+                if(denom < STAT_THR_LEVEL)
+                {
+                    denom = STAT_THR_LEVEL;
+                }
+                exp = norm_s(denom);
+                denom = denom << exp;
 
-				/* stat_rat = num/denom * 64 */
-				temp = div_s(num >> 1, denom);
-				stat_rat = add1(stat_rat, shr(temp, (8 - exp)));
-			}
+                /* stat_rat = num/denom * 64 */
+                temp = div_s(num >> 1, denom);
+                stat_rat = add1(stat_rat, shr(temp, (8 - exp)));
+            }
 
-			/* compare stat_rat with a threshold and update stat_count */
-			if(stat_rat > STAT_THR)
-			{
-				st->stat_count = STAT_COUNT;
-			} else
-			{
-				if ((st->vadreg & 0x4000) != 0)
-				{
+            /* compare stat_rat with a threshold and update stat_count */
+            if(stat_rat > STAT_THR)
+            {
+                st->stat_count = STAT_COUNT;
+            } else
+            {
+                if ((st->vadreg & 0x4000) != 0)
+                {
 
-					if (st->stat_count != 0)
-					{
-						st->stat_count = st->stat_count - 1;
-					}
-				}
-			}
-		}
-	}
+                    if (st->stat_count != 0)
+                    {
+                        st->stat_count = st->stat_count - 1;
+                    }
+                }
+            }
+        }
+    }
 
-	/* Update average amplitude estimate for stationarity estimation */
-	alpha = ALPHA4;
-	if(st->stat_count == STAT_COUNT)
-	{
-		alpha = 32767;
-	} else if ((st->vadreg & 0x4000) == 0)
-	{
-		alpha = ALPHA5;
-	}
-	for (i = 0; i < COMPLEN; i++)
-	{
-		st->ave_level[i] = add1(st->ave_level[i], vo_mult_r(alpha, vo_sub(level[i], st->ave_level[i])));
-	}
+    /* Update average amplitude estimate for stationarity estimation */
+    alpha = ALPHA4;
+    if(st->stat_count == STAT_COUNT)
+    {
+        alpha = 32767;
+    } else if ((st->vadreg & 0x4000) == 0)
+    {
+        alpha = ALPHA5;
+    }
+    for (i = 0; i < COMPLEN; i++)
+    {
+        st->ave_level[i] = add1(st->ave_level[i], vo_mult_r(alpha, vo_sub(level[i], st->ave_level[i])));
+    }
 }
 
 /******************************************************************************
@@ -345,38 +345,38 @@
 *******************************************************************************/
 
 static Word16 hangover_addition(                      /* return: VAD_flag indicating final VAD decision */
-		VadVars * st,                         /* i/o : State structure                     */
-		Word16 low_power,                     /* i   : flag power of the input frame    */
-		Word16 hang_len,                      /* i   : hangover length */
-		Word16 burst_len                      /* i   : minimum burst length for hangover addition */
-		)
+        VadVars * st,                         /* i/o : State structure                     */
+        Word16 low_power,                     /* i   : flag power of the input frame    */
+        Word16 hang_len,                      /* i   : hangover length */
+        Word16 burst_len                      /* i   : minimum burst length for hangover addition */
+        )
 {
-	/* if the input power (pow_sum) is lower than a threshold, clear counters and set VAD_flag to "0"         */
-	if (low_power != 0)
-	{
-		st->burst_count = 0;
-		st->hang_count = 0;
-		return 0;
-	}
-	/* update the counters (hang_count, burst_count) */
-	if ((st->vadreg & 0x4000) != 0)
-	{
-		st->burst_count = st->burst_count + 1;
-		if(st->burst_count >= burst_len)
-		{
-			st->hang_count = hang_len;
-		}
-		return 1;
-	} else
-	{
-		st->burst_count = 0;
-		if (st->hang_count > 0)
-		{
-			st->hang_count = st->hang_count - 1;
-			return 1;
-		}
-	}
-	return 0;
+    /* if the input power (pow_sum) is lower than a threshold, clear counters and set VAD_flag to "0"         */
+    if (low_power != 0)
+    {
+        st->burst_count = 0;
+        st->hang_count = 0;
+        return 0;
+    }
+    /* update the counters (hang_count, burst_count) */
+    if ((st->vadreg & 0x4000) != 0)
+    {
+        st->burst_count = st->burst_count + 1;
+        if(st->burst_count >= burst_len)
+        {
+            st->hang_count = hang_len;
+        }
+        return 1;
+    } else
+    {
+        st->burst_count = 0;
+        if (st->hang_count > 0)
+        {
+            st->hang_count = st->hang_count - 1;
+            return 1;
+        }
+    }
+    return 0;
 }
 
 /******************************************************************************
@@ -387,66 +387,66 @@
 *******************************************************************************/
 
 static void noise_estimate_update(
-		VadVars * st,                         /* i/o : State structure                       */
-		Word16 level[]                        /* i   : sub-band levels of the input frame */
-		)
+        VadVars * st,                         /* i/o : State structure                       */
+        Word16 level[]                        /* i   : sub-band levels of the input frame */
+        )
 {
-	Word32 i;
-	Word16 alpha_up, alpha_down, bckr_add = 2;
+    Word32 i;
+    Word16 alpha_up, alpha_down, bckr_add = 2;
 
-	/* Control update of bckr_est[] */
-	update_cntrl(st, level);
+    /* Control update of bckr_est[] */
+    update_cntrl(st, level);
 
-	/* Choose update speed */
-	if ((0x7800 & st->vadreg) == 0)
-	{
-		alpha_up = ALPHA_UP1;
-		alpha_down = ALPHA_DOWN1;
-	} else
-	{
-		if (st->stat_count == 0)
-		{
-			alpha_up = ALPHA_UP2;
-			alpha_down = ALPHA_DOWN2;
-		} else
-		{
-			alpha_up = 0;
-			alpha_down = ALPHA3;
-			bckr_add = 0;
-		}
-	}
+    /* Choose update speed */
+    if ((0x7800 & st->vadreg) == 0)
+    {
+        alpha_up = ALPHA_UP1;
+        alpha_down = ALPHA_DOWN1;
+    } else
+    {
+        if (st->stat_count == 0)
+        {
+            alpha_up = ALPHA_UP2;
+            alpha_down = ALPHA_DOWN2;
+        } else
+        {
+            alpha_up = 0;
+            alpha_down = ALPHA3;
+            bckr_add = 0;
+        }
+    }
 
-	/* Update noise estimate (bckr_est) */
-	for (i = 0; i < COMPLEN; i++)
-	{
-		Word16 temp;
-		temp = (st->old_level[i] - st->bckr_est[i]);
+    /* Update noise estimate (bckr_est) */
+    for (i = 0; i < COMPLEN; i++)
+    {
+        Word16 temp;
+        temp = (st->old_level[i] - st->bckr_est[i]);
 
-		if (temp < 0)
-		{                                  /* update downwards */
-			st->bckr_est[i] = add1(-2, add(st->bckr_est[i],vo_mult_r(alpha_down, temp)));
-			/* limit minimum value of the noise estimate to NOISE_MIN */
-			if(st->bckr_est[i] < NOISE_MIN)
-			{
-				st->bckr_est[i] = NOISE_MIN;
-			}
-		} else
-		{                                  /* update upwards */
-			st->bckr_est[i] = add1(bckr_add, add1(st->bckr_est[i],vo_mult_r(alpha_up, temp)));
+        if (temp < 0)
+        {                                  /* update downwards */
+            st->bckr_est[i] = add1(-2, add(st->bckr_est[i],vo_mult_r(alpha_down, temp)));
+            /* limit minimum value of the noise estimate to NOISE_MIN */
+            if(st->bckr_est[i] < NOISE_MIN)
+            {
+                st->bckr_est[i] = NOISE_MIN;
+            }
+        } else
+        {                                  /* update upwards */
+            st->bckr_est[i] = add1(bckr_add, add1(st->bckr_est[i],vo_mult_r(alpha_up, temp)));
 
-			/* limit maximum value of the noise estimate to NOISE_MAX */
-			if(st->bckr_est[i] > NOISE_MAX)
-			{
-				st->bckr_est[i] = NOISE_MAX;
-			}
-		}
-	}
+            /* limit maximum value of the noise estimate to NOISE_MAX */
+            if(st->bckr_est[i] > NOISE_MAX)
+            {
+                st->bckr_est[i] = NOISE_MAX;
+            }
+        }
+    }
 
-	/* Update signal levels of the previous frame (old_level) */
-	for (i = 0; i < COMPLEN; i++)
-	{
-		st->old_level[i] = level[i];
-	}
+    /* Update signal levels of the previous frame (old_level) */
+    for (i = 0; i < COMPLEN; i++)
+    {
+        st->old_level[i] = level[i];
+    }
 }
 
 /******************************************************************************
@@ -457,100 +457,100 @@
 *******************************************************************************/
 
 static Word16 vad_decision(                           /* return value : VAD_flag */
-		VadVars * st,                         /* i/o : State structure                       */
-		Word16 level[COMPLEN],                /* i   : sub-band levels of the input frame */
-		Word32 pow_sum                        /* i   : power of the input frame           */
-		)
+        VadVars * st,                         /* i/o : State structure                       */
+        Word16 level[COMPLEN],                /* i   : sub-band levels of the input frame */
+        Word32 pow_sum                        /* i   : power of the input frame           */
+        )
 {
-	Word32 i;
-	Word32 L_snr_sum;
-	Word32 L_temp;
-	Word16 vad_thr, temp, noise_level;
-	Word16 low_power_flag;
-	Word16 hang_len, burst_len;
-	Word16 ilog2_speech_level, ilog2_noise_level;
-	Word16 temp2;
+    Word32 i;
+    Word32 L_snr_sum;
+    Word32 L_temp;
+    Word16 vad_thr, temp, noise_level;
+    Word16 low_power_flag;
+    Word16 hang_len, burst_len;
+    Word16 ilog2_speech_level, ilog2_noise_level;
+    Word16 temp2;
 
-	/* Calculate squared sum of the input levels (level) divided by the background noise components
-	 * (bckr_est). */
-	L_snr_sum = 0;
-	for (i = 0; i < COMPLEN; i++)
-	{
-		Word16 exp;
+    /* Calculate squared sum of the input levels (level) divided by the background noise components
+     * (bckr_est). */
+    L_snr_sum = 0;
+    for (i = 0; i < COMPLEN; i++)
+    {
+        Word16 exp;
 
-		exp = norm_s(st->bckr_est[i]);
-		temp = (st->bckr_est[i] << exp);
-		temp = div_s((level[i] >> 1), temp);
-		temp = shl(temp, (exp - (UNIRSHFT - 1)));
-		L_snr_sum = L_mac(L_snr_sum, temp, temp);
-	}
+        exp = norm_s(st->bckr_est[i]);
+        temp = (st->bckr_est[i] << exp);
+        temp = div_s((level[i] >> 1), temp);
+        temp = shl(temp, (exp - (UNIRSHFT - 1)));
+        L_snr_sum = L_mac(L_snr_sum, temp, temp);
+    }
 
-	/* Calculate average level of estimated background noise */
-	L_temp = 0;
-	for (i = 1; i < COMPLEN; i++)          /* ignore lowest band */
-	{
-		L_temp = vo_L_add(L_temp, st->bckr_est[i]);
-	}
+    /* Calculate average level of estimated background noise */
+    L_temp = 0;
+    for (i = 1; i < COMPLEN; i++)          /* ignore lowest band */
+    {
+        L_temp = vo_L_add(L_temp, st->bckr_est[i]);
+    }
 
-	noise_level = extract_h((L_temp << 12));
-	/* if SNR is lower than a threshold (MIN_SPEECH_SNR), and increase speech_level */
-	temp = vo_mult(noise_level, MIN_SPEECH_SNR) << 3;
+    noise_level = extract_h((L_temp << 12));
+    /* if SNR is lower than a threshold (MIN_SPEECH_SNR), and increase speech_level */
+    temp = vo_mult(noise_level, MIN_SPEECH_SNR) << 3;
 
-	if(st->speech_level < temp)
-	{
-		st->speech_level = temp;
-	}
-	ilog2_noise_level = ilog2(noise_level);
+    if(st->speech_level < temp)
+    {
+        st->speech_level = temp;
+    }
+    ilog2_noise_level = ilog2(noise_level);
 
-	/* If SNR is very poor, speech_level is probably corrupted by noise level. This is correctred by
-	 * subtracting MIN_SPEECH_SNR*noise_level from speech level */
-	ilog2_speech_level = ilog2(st->speech_level - temp);
+    /* If SNR is very poor, speech_level is probably corrupted by noise level. This is correctred by
+     * subtracting MIN_SPEECH_SNR*noise_level from speech level */
+    ilog2_speech_level = ilog2(st->speech_level - temp);
 
-	temp = add1(vo_mult(NO_SLOPE, (ilog2_noise_level - NO_P1)), THR_HIGH);
+    temp = add1(vo_mult(NO_SLOPE, (ilog2_noise_level - NO_P1)), THR_HIGH);
 
-	temp2 = add1(SP_CH_MIN, vo_mult(SP_SLOPE, (ilog2_speech_level - SP_P1)));
-	if (temp2 < SP_CH_MIN)
-	{
-		temp2 = SP_CH_MIN;
-	}
-	if (temp2 > SP_CH_MAX)
-	{
-		temp2 = SP_CH_MAX;
-	}
-	vad_thr = temp + temp2;
+    temp2 = add1(SP_CH_MIN, vo_mult(SP_SLOPE, (ilog2_speech_level - SP_P1)));
+    if (temp2 < SP_CH_MIN)
+    {
+        temp2 = SP_CH_MIN;
+    }
+    if (temp2 > SP_CH_MAX)
+    {
+        temp2 = SP_CH_MAX;
+    }
+    vad_thr = temp + temp2;
 
-	if(vad_thr < THR_MIN)
-	{
-		vad_thr = THR_MIN;
-	}
-	/* Shift VAD decision register */
-	st->vadreg = (st->vadreg >> 1);
+    if(vad_thr < THR_MIN)
+    {
+        vad_thr = THR_MIN;
+    }
+    /* Shift VAD decision register */
+    st->vadreg = (st->vadreg >> 1);
 
-	/* Make intermediate VAD decision */
-	if(L_snr_sum > vo_L_mult(vad_thr, (512 * COMPLEN)))
-	{
-		st->vadreg = (Word16) (st->vadreg | 0x4000);
-	}
-	/* check if the input power (pow_sum) is lower than a threshold" */
-	if(pow_sum < VAD_POW_LOW)
-	{
-		low_power_flag = 1;
-	} else
-	{
-		low_power_flag = 0;
-	}
-	/* Update background noise estimates */
-	noise_estimate_update(st, level);
+    /* Make intermediate VAD decision */
+    if(L_snr_sum > vo_L_mult(vad_thr, (512 * COMPLEN)))
+    {
+        st->vadreg = (Word16) (st->vadreg | 0x4000);
+    }
+    /* check if the input power (pow_sum) is lower than a threshold" */
+    if(pow_sum < VAD_POW_LOW)
+    {
+        low_power_flag = 1;
+    } else
+    {
+        low_power_flag = 0;
+    }
+    /* Update background noise estimates */
+    noise_estimate_update(st, level);
 
-	/* Calculate values for hang_len and burst_len based on vad_thr */
-	hang_len = add1(vo_mult(HANG_SLOPE, (vad_thr - HANG_P1)), HANG_HIGH);
-	if(hang_len < HANG_LOW)
-	{
-		hang_len = HANG_LOW;
-	}
-	burst_len = add1(vo_mult(BURST_SLOPE, (vad_thr - BURST_P1)), BURST_HIGH);
+    /* Calculate values for hang_len and burst_len based on vad_thr */
+    hang_len = add1(vo_mult(HANG_SLOPE, (vad_thr - HANG_P1)), HANG_HIGH);
+    if(hang_len < HANG_LOW)
+    {
+        hang_len = HANG_LOW;
+    }
+    burst_len = add1(vo_mult(BURST_SLOPE, (vad_thr - BURST_P1)), BURST_HIGH);
 
-	return (hangover_addition(st, low_power_flag, hang_len, burst_len));
+    return (hangover_addition(st, low_power_flag, hang_len, burst_len));
 }
 
 /******************************************************************************
@@ -566,54 +566,54 @@
 *******************************************************************************/
 
 static void Estimate_Speech(
-		VadVars * st,                         /* i/o : State structure    */
-		Word16 in_level                       /* level of the input frame */
-		)
+        VadVars * st,                         /* i/o : State structure    */
+        Word16 in_level                       /* level of the input frame */
+        )
 {
-	Word16 alpha;
+    Word16 alpha;
 
-	/* if the required activity count cannot be achieved, reset counters */
-	if((st->sp_est_cnt - st->sp_max_cnt) > (SP_EST_COUNT - SP_ACTIVITY_COUNT))
-	{
-		st->sp_est_cnt = 0;
-		st->sp_max = 0;
-		st->sp_max_cnt = 0;
-	}
-	st->sp_est_cnt += 1;
+    /* if the required activity count cannot be achieved, reset counters */
+    if((st->sp_est_cnt - st->sp_max_cnt) > (SP_EST_COUNT - SP_ACTIVITY_COUNT))
+    {
+        st->sp_est_cnt = 0;
+        st->sp_max = 0;
+        st->sp_max_cnt = 0;
+    }
+    st->sp_est_cnt += 1;
 
-	if (((st->vadreg & 0x4000)||(in_level > st->speech_level)) && (in_level > MIN_SPEECH_LEVEL1))
-	{
-		/* update sp_max */
-		if(in_level > st->sp_max)
-		{
-			st->sp_max = in_level;
-		}
-		st->sp_max_cnt += 1;
+    if (((st->vadreg & 0x4000)||(in_level > st->speech_level)) && (in_level > MIN_SPEECH_LEVEL1))
+    {
+        /* update sp_max */
+        if(in_level > st->sp_max)
+        {
+            st->sp_max = in_level;
+        }
+        st->sp_max_cnt += 1;
 
-		if(st->sp_max_cnt >= SP_ACTIVITY_COUNT)
-		{
-			Word16 tmp;
-			/* update speech estimate */
-			tmp = (st->sp_max >> 1);      /* scale to get "average" speech level */
+        if(st->sp_max_cnt >= SP_ACTIVITY_COUNT)
+        {
+            Word16 tmp;
+            /* update speech estimate */
+            tmp = (st->sp_max >> 1);      /* scale to get "average" speech level */
 
-			/* select update speed */
-			if(tmp > st->speech_level)
-			{
-				alpha = ALPHA_SP_UP;
-			} else
-			{
-				alpha = ALPHA_SP_DOWN;
-			}
-			if(tmp > MIN_SPEECH_LEVEL2)
-			{
-				st->speech_level = add1(st->speech_level, vo_mult_r(alpha, vo_sub(tmp, st->speech_level)));
-			}
-			/* clear all counters used for speech estimation */
-			st->sp_max = 0;
-			st->sp_max_cnt = 0;
-			st->sp_est_cnt = 0;
-		}
-	}
+            /* select update speed */
+            if(tmp > st->speech_level)
+            {
+                alpha = ALPHA_SP_UP;
+            } else
+            {
+                alpha = ALPHA_SP_DOWN;
+            }
+            if(tmp > MIN_SPEECH_LEVEL2)
+            {
+                st->speech_level = add1(st->speech_level, vo_mult_r(alpha, vo_sub(tmp, st->speech_level)));
+            }
+            /* clear all counters used for speech estimation */
+            st->sp_max = 0;
+            st->sp_max_cnt = 0;
+            st->sp_est_cnt = 0;
+        }
+    }
 }
 
 /******************************************************************************
@@ -624,30 +624,30 @@
 *******************************************************************************/
 
 Word16 wb_vad_init(                        /* return: non-zero with error, zero for ok. */
-		VadVars ** state,                     /* i/o : State structure    */
-		VO_MEM_OPERATOR *pMemOP
-		)
+        VadVars ** state,                     /* i/o : State structure    */
+        VO_MEM_OPERATOR *pMemOP
+        )
 {
-	VadVars *s;
+    VadVars *s;
 
-	if (state == (VadVars **) NULL)
-	{
-		fprintf(stderr, "vad_init: invalid parameter\n");
-		return -1;
-	}
-	*state = NULL;
+    if (state == (VadVars **) NULL)
+    {
+        fprintf(stderr, "vad_init: invalid parameter\n");
+        return -1;
+    }
+    *state = NULL;
 
-	/* allocate memory */
-	if ((s = (VadVars *) mem_malloc(pMemOP, sizeof(VadVars), 32, VO_INDEX_ENC_AMRWB)) == NULL)
-	{
-		fprintf(stderr, "vad_init: can not malloc state structure\n");
-		return -1;
-	}
-	wb_vad_reset(s);
+    /* allocate memory */
+    if ((s = (VadVars *) mem_malloc(pMemOP, sizeof(VadVars), 32, VO_INDEX_ENC_AMRWB)) == NULL)
+    {
+        fprintf(stderr, "vad_init: can not malloc state structure\n");
+        return -1;
+    }
+    wb_vad_reset(s);
 
-	*state = s;
+    *state = s;
 
-	return 0;
+    return 0;
 }
 
 /******************************************************************************
@@ -658,51 +658,51 @@
 *******************************************************************************/
 
 Word16 wb_vad_reset(                       /* return: non-zero with error, zero for ok. */
-		VadVars * state                       /* i/o : State structure    */
-		)
+        VadVars * state                       /* i/o : State structure    */
+        )
 {
-	Word32 i, j;
+    Word32 i, j;
 
-	if (state == (VadVars *) NULL)
-	{
-		fprintf(stderr, "vad_reset: invalid parameter\n");
-		return -1;
-	}
-	state->tone_flag = 0;
-	state->vadreg = 0;
-	state->hang_count = 0;
-	state->burst_count = 0;
-	state->hang_count = 0;
+    if (state == (VadVars *) NULL)
+    {
+        fprintf(stderr, "vad_reset: invalid parameter\n");
+        return -1;
+    }
+    state->tone_flag = 0;
+    state->vadreg = 0;
+    state->hang_count = 0;
+    state->burst_count = 0;
+    state->hang_count = 0;
 
-	/* initialize memory used by the filter bank */
-	for (i = 0; i < F_5TH_CNT; i++)
-	{
-		for (j = 0; j < 2; j++)
-		{
-			state->a_data5[i][j] = 0;
-		}
-	}
+    /* initialize memory used by the filter bank */
+    for (i = 0; i < F_5TH_CNT; i++)
+    {
+        for (j = 0; j < 2; j++)
+        {
+            state->a_data5[i][j] = 0;
+        }
+    }
 
-	for (i = 0; i < F_3TH_CNT; i++)
-	{
-		state->a_data3[i] = 0;
-	}
+    for (i = 0; i < F_3TH_CNT; i++)
+    {
+        state->a_data3[i] = 0;
+    }
 
-	/* initialize the rest of the memory */
-	for (i = 0; i < COMPLEN; i++)
-	{
-		state->bckr_est[i] = NOISE_INIT;
-		state->old_level[i] = NOISE_INIT;
-		state->ave_level[i] = NOISE_INIT;
-		state->sub_level[i] = 0;
-	}
+    /* initialize the rest of the memory */
+    for (i = 0; i < COMPLEN; i++)
+    {
+        state->bckr_est[i] = NOISE_INIT;
+        state->old_level[i] = NOISE_INIT;
+        state->ave_level[i] = NOISE_INIT;
+        state->sub_level[i] = 0;
+    }
 
-	state->sp_est_cnt = 0;
-	state->sp_max = 0;
-	state->sp_max_cnt = 0;
-	state->speech_level = SPEECH_LEVEL_INIT;
-	state->prev_pow_sum = 0;
-	return 0;
+    state->sp_est_cnt = 0;
+    state->sp_max = 0;
+    state->sp_max_cnt = 0;
+    state->speech_level = SPEECH_LEVEL_INIT;
+    state->prev_pow_sum = 0;
+    return 0;
 }
 
 /******************************************************************************
@@ -713,16 +713,16 @@
 *******************************************************************************/
 
 void wb_vad_exit(
-		VadVars ** state,                      /* i/o : State structure    */
-		VO_MEM_OPERATOR *pMemOP
-		)
+        VadVars ** state,                      /* i/o : State structure    */
+        VO_MEM_OPERATOR *pMemOP
+        )
 {
-	if (state == NULL || *state == NULL)
-		return;
-	/* deallocate memory */
-	mem_free(pMemOP, *state, VO_INDEX_ENC_AMRWB);
-	*state = NULL;
-	return;
+    if (state == NULL || *state == NULL)
+        return;
+    /* deallocate memory */
+    mem_free(pMemOP, *state, VO_INDEX_ENC_AMRWB);
+    *state = NULL;
+    return;
 }
 
 /******************************************************************************
@@ -735,18 +735,18 @@
 *******************************************************************************/
 
 void wb_vad_tone_detection(
-		VadVars * st,                         /* i/o : State struct            */
-		Word16 p_gain                         /* pitch gain      */
-		)
+        VadVars * st,                         /* i/o : State struct            */
+        Word16 p_gain                         /* pitch gain      */
+        )
 {
-	/* update tone flag */
-	st->tone_flag = (st->tone_flag >> 1);
+    /* update tone flag */
+    st->tone_flag = (st->tone_flag >> 1);
 
-	/* if (pitch_gain > TONE_THR) set tone flag */
-	if (p_gain > TONE_THR)
-	{
-		st->tone_flag = (Word16) (st->tone_flag | 0x4000);
-	}
+    /* if (pitch_gain > TONE_THR) set tone flag */
+    if (p_gain > TONE_THR)
+    {
+        st->tone_flag = (Word16) (st->tone_flag | 0x4000);
+    }
 }
 
 /******************************************************************************
@@ -757,50 +757,50 @@
 *******************************************************************************/
 
 Word16 wb_vad(                                /* Return value : VAD Decision, 1 = speech, 0 = noise */
-		VadVars * st,                         /* i/o : State structure                 */
-		Word16 in_buf[]                       /* i   : samples of the input frame   */
-	     )
+        VadVars * st,                         /* i/o : State structure                 */
+        Word16 in_buf[]                       /* i   : samples of the input frame   */
+         )
 {
-	Word16 level[COMPLEN];
-	Word32 i;
-	Word16 VAD_flag, temp;
-	Word32 L_temp, pow_sum;
+    Word16 level[COMPLEN];
+    Word32 i;
+    Word16 VAD_flag, temp;
+    Word32 L_temp, pow_sum;
 
-	/* Calculate power of the input frame. */
-	L_temp = 0L;
-	for (i = 0; i < FRAME_LEN; i++)
-	{
-		L_temp = L_mac(L_temp, in_buf[i], in_buf[i]);
-	}
+    /* Calculate power of the input frame. */
+    L_temp = 0L;
+    for (i = 0; i < FRAME_LEN; i++)
+    {
+        L_temp = L_mac(L_temp, in_buf[i], in_buf[i]);
+    }
 
-	/* pow_sum = power of current frame and previous frame */
-	pow_sum = L_add(L_temp, st->prev_pow_sum);
+    /* pow_sum = power of current frame and previous frame */
+    pow_sum = L_add(L_temp, st->prev_pow_sum);
 
-	/* save power of current frame for next call */
-	st->prev_pow_sum = L_temp;
+    /* save power of current frame for next call */
+    st->prev_pow_sum = L_temp;
 
-	/* If input power is very low, clear tone flag */
-	if (pow_sum < POW_TONE_THR)
-	{
-		st->tone_flag = (Word16) (st->tone_flag & 0x1fff);
-	}
-	/* Run the filter bank and calculate signal levels at each band */
-	filter_bank(st, in_buf, level);
+    /* If input power is very low, clear tone flag */
+    if (pow_sum < POW_TONE_THR)
+    {
+        st->tone_flag = (Word16) (st->tone_flag & 0x1fff);
+    }
+    /* Run the filter bank and calculate signal levels at each band */
+    filter_bank(st, in_buf, level);
 
-	/* compute VAD decision */
-	VAD_flag = vad_decision(st, level, pow_sum);
+    /* compute VAD decision */
+    VAD_flag = vad_decision(st, level, pow_sum);
 
-	/* Calculate input level */
-	L_temp = 0;
-	for (i = 1; i < COMPLEN; i++)          /* ignore lowest band */
-	{
-		L_temp = vo_L_add(L_temp, level[i]);
-	}
+    /* Calculate input level */
+    L_temp = 0;
+    for (i = 1; i < COMPLEN; i++)          /* ignore lowest band */
+    {
+        L_temp = vo_L_add(L_temp, level[i]);
+    }
 
-	temp = extract_h(L_temp << 12);
+    temp = extract_h(L_temp << 12);
 
-	Estimate_Speech(st, temp);             /* Estimate speech level */
-	return (VAD_flag);
+    Estimate_Speech(st, temp);             /* Estimate speech level */
+    return (VAD_flag);
 }
 
 
diff --git a/media/libstagefright/codecs/amrwbenc/src/weight_a.c b/media/libstagefright/codecs/amrwbenc/src/weight_a.c
index a02b48d..23b774e 100644
--- a/media/libstagefright/codecs/amrwbenc/src/weight_a.c
+++ b/media/libstagefright/codecs/amrwbenc/src/weight_a.c
@@ -18,7 +18,7 @@
 *       File: weight_a.c                                               *
 *                                                                      *
 *       Description:Weighting of LPC coefficients                      *
-*	               ap[i] = a[i] * (gamma ** i)                     *
+*                  ap[i] = a[i] * (gamma ** i)                     *
 *                                                                      *
 ************************************************************************/
 
@@ -26,22 +26,22 @@
 #include "basic_op.h"
 
 void Weight_a(
-		Word16 a[],                           /* (i) Q12 : a[m+1]  LPC coefficients             */
-		Word16 ap[],                          /* (o) Q12 : Spectral expanded LPC coefficients   */
-		Word16 gamma,                         /* (i) Q15 : Spectral expansion factor.           */
-		Word16 m                              /* (i)     : LPC order.                           */
-	     )
+        Word16 a[],                           /* (i) Q12 : a[m+1]  LPC coefficients             */
+        Word16 ap[],                          /* (o) Q12 : Spectral expanded LPC coefficients   */
+        Word16 gamma,                         /* (i) Q15 : Spectral expansion factor.           */
+        Word16 m                              /* (i)     : LPC order.                           */
+         )
 {
-	Word32 num = m - 1, fac;
-	*ap++ = *a++;
-	fac = gamma;
-	do{
-		*ap++ =(Word16)(((vo_L_mult((*a++), fac)) + 0x8000) >> 16);
-		fac = (vo_L_mult(fac, gamma) + 0x8000) >> 16;
-	}while(--num != 0);
+    Word32 num = m - 1, fac;
+    *ap++ = *a++;
+    fac = gamma;
+    do{
+        *ap++ =(Word16)(((vo_L_mult((*a++), fac)) + 0x8000) >> 16);
+        fac = (vo_L_mult(fac, gamma) + 0x8000) >> 16;
+    }while(--num != 0);
 
-	*ap++ = (Word16)(((vo_L_mult((*a++), fac)) + 0x8000) >> 16);
-	return;
+    *ap++ = (Word16)(((vo_L_mult((*a++), fac)) + 0x8000) >> 16);
+    return;
 }