| /* |
| * DSP utils |
| * Copyright (c) 2000, 2001, 2002 Fabrice Bellard |
| * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /** |
| * @file |
| * DSP utils. |
| * note, many functions in here may use MMX which trashes the FPU state, it is |
| * absolutely necessary to call emms_c() between dsp & float/double code |
| */ |
| |
| #ifndef AVCODEC_DSPUTIL_H |
| #define AVCODEC_DSPUTIL_H |
| |
| #include "libavutil/intreadwrite.h" |
| #include "avcodec.h" |
| |
| |
| //#define DEBUG |
| /* dct code */ |
| typedef short DCTELEM; |
| |
| void fdct_ifast (DCTELEM *data); |
| void fdct_ifast248 (DCTELEM *data); |
| void ff_jpeg_fdct_islow_8(DCTELEM *data); |
| void ff_jpeg_fdct_islow_10(DCTELEM *data); |
| void ff_fdct248_islow_8(DCTELEM *data); |
| void ff_fdct248_islow_10(DCTELEM *data); |
| |
| void j_rev_dct (DCTELEM *data); |
| void j_rev_dct4 (DCTELEM *data); |
| void j_rev_dct2 (DCTELEM *data); |
| void j_rev_dct1 (DCTELEM *data); |
| void ff_wmv2_idct_c(DCTELEM *data); |
| |
| void ff_fdct_mmx(DCTELEM *block); |
| void ff_fdct_mmx2(DCTELEM *block); |
| void ff_fdct_sse2(DCTELEM *block); |
| |
| #define H264_IDCT(depth) \ |
| void ff_h264_idct8_add_ ## depth ## _c(uint8_t *dst, DCTELEM *block, int stride);\ |
| void ff_h264_idct_add_ ## depth ## _c(uint8_t *dst, DCTELEM *block, int stride);\ |
| void ff_h264_idct8_dc_add_ ## depth ## _c(uint8_t *dst, DCTELEM *block, int stride);\ |
| void ff_h264_idct_dc_add_ ## depth ## _c(uint8_t *dst, DCTELEM *block, int stride);\ |
| void ff_h264_idct_add16_ ## depth ## _c(uint8_t *dst, const int *blockoffset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]);\ |
| void ff_h264_idct_add16intra_ ## depth ## _c(uint8_t *dst, const int *blockoffset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]);\ |
| void ff_h264_idct8_add4_ ## depth ## _c(uint8_t *dst, const int *blockoffset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]);\ |
| void ff_h264_idct_add8_ ## depth ## _c(uint8_t **dest, const int *blockoffset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]);\ |
| void ff_h264_luma_dc_dequant_idct_ ## depth ## _c(DCTELEM *output, DCTELEM *input, int qmul);\ |
| void ff_h264_chroma_dc_dequant_idct_ ## depth ## _c(DCTELEM *block, int qmul); |
| |
| H264_IDCT( 8) |
| H264_IDCT( 9) |
| H264_IDCT(10) |
| |
| void ff_svq3_luma_dc_dequant_idct_c(DCTELEM *output, DCTELEM *input, int qp); |
| void ff_svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp, int dc); |
| |
| /* encoding scans */ |
| extern const uint8_t ff_alternate_horizontal_scan[64]; |
| extern const uint8_t ff_alternate_vertical_scan[64]; |
| extern const uint8_t ff_zigzag_direct[64]; |
| extern const uint8_t ff_zigzag248_direct[64]; |
| |
| /* pixel operations */ |
| #define MAX_NEG_CROP 1024 |
| |
| /* temporary */ |
| extern uint32_t ff_squareTbl[512]; |
| extern uint8_t ff_cropTbl[256 + 2 * MAX_NEG_CROP]; |
| |
| #define PUTAVG_PIXELS(depth)\ |
| void ff_put_pixels8x8_ ## depth ## _c(uint8_t *dst, uint8_t *src, int stride);\ |
| void ff_avg_pixels8x8_ ## depth ## _c(uint8_t *dst, uint8_t *src, int stride);\ |
| void ff_put_pixels16x16_ ## depth ## _c(uint8_t *dst, uint8_t *src, int stride);\ |
| void ff_avg_pixels16x16_ ## depth ## _c(uint8_t *dst, uint8_t *src, int stride); |
| |
| PUTAVG_PIXELS( 8) |
| PUTAVG_PIXELS( 9) |
| PUTAVG_PIXELS(10) |
| |
| #define ff_put_pixels8x8_c ff_put_pixels8x8_8_c |
| #define ff_avg_pixels8x8_c ff_avg_pixels8x8_8_c |
| #define ff_put_pixels16x16_c ff_put_pixels16x16_8_c |
| #define ff_avg_pixels16x16_c ff_avg_pixels16x16_8_c |
| |
| /* VP3 DSP functions */ |
| void ff_vp3_idct_c(DCTELEM *block/* align 16*/); |
| void ff_vp3_idct_put_c(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/); |
| void ff_vp3_idct_add_c(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/); |
| void ff_vp3_idct_dc_add_c(uint8_t *dest/*align 8*/, int line_size, const DCTELEM *block/*align 16*/); |
| |
| void ff_vp3_v_loop_filter_c(uint8_t *src, int stride, int *bounding_values); |
| void ff_vp3_h_loop_filter_c(uint8_t *src, int stride, int *bounding_values); |
| |
| /* EA functions */ |
| void ff_ea_idct_put_c(uint8_t *dest, int linesize, DCTELEM *block); |
| |
| /* 1/2^n downscaling functions from imgconvert.c */ |
| #if LIBAVCODEC_VERSION_MAJOR < 53 |
| /** |
| * @deprecated Use av_image_copy_plane() instead. |
| */ |
| attribute_deprecated |
| void ff_img_copy_plane(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); |
| #endif |
| |
| void ff_shrink22(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); |
| void ff_shrink44(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); |
| void ff_shrink88(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); |
| |
| void ff_gmc_c(uint8_t *dst, uint8_t *src, int stride, int h, int ox, int oy, |
| int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height); |
| |
| /* minimum alignment rules ;) |
| If you notice errors in the align stuff, need more alignment for some ASM code |
| for some CPU or need to use a function with less aligned data then send a mail |
| to the ffmpeg-devel mailing list, ... |
| |
| !warning These alignments might not match reality, (missing attribute((align)) |
| stuff somewhere possible). |
| I (Michael) did not check them, these are just the alignments which I think |
| could be reached easily ... |
| |
| !future video codecs might need functions with less strict alignment |
| */ |
| |
| /* |
| void get_pixels_c(DCTELEM *block, const uint8_t *pixels, int line_size); |
| void diff_pixels_c(DCTELEM *block, const uint8_t *s1, const uint8_t *s2, int stride); |
| void put_pixels_clamped_c(const DCTELEM *block, uint8_t *pixels, int line_size); |
| void add_pixels_clamped_c(const DCTELEM *block, uint8_t *pixels, int line_size); |
| void clear_blocks_c(DCTELEM *blocks); |
| */ |
| |
| /* add and put pixel (decoding) */ |
| // blocksizes for op_pixels_func are 8x4,8x8 16x8 16x16 |
| //h for op_pixels_func is limited to {width/2, width} but never larger than 16 and never smaller than 4 |
| typedef void (*op_pixels_func)(uint8_t *block/*align width (8 or 16)*/, const uint8_t *pixels/*align 1*/, int line_size, int h); |
| typedef void (*tpel_mc_func)(uint8_t *block/*align width (8 or 16)*/, const uint8_t *pixels/*align 1*/, int line_size, int w, int h); |
| typedef void (*qpel_mc_func)(uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride); |
| typedef void (*h264_chroma_mc_func)(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int srcStride, int h, int x, int y); |
| |
| typedef void (*op_fill_func)(uint8_t *block/*align width (8 or 16)*/, uint8_t value, int line_size, int h); |
| |
| #define DEF_OLD_QPEL(name)\ |
| void ff_put_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);\ |
| void ff_put_no_rnd_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);\ |
| void ff_avg_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride); |
| |
| DEF_OLD_QPEL(qpel16_mc11_old_c) |
| DEF_OLD_QPEL(qpel16_mc31_old_c) |
| DEF_OLD_QPEL(qpel16_mc12_old_c) |
| DEF_OLD_QPEL(qpel16_mc32_old_c) |
| DEF_OLD_QPEL(qpel16_mc13_old_c) |
| DEF_OLD_QPEL(qpel16_mc33_old_c) |
| DEF_OLD_QPEL(qpel8_mc11_old_c) |
| DEF_OLD_QPEL(qpel8_mc31_old_c) |
| DEF_OLD_QPEL(qpel8_mc12_old_c) |
| DEF_OLD_QPEL(qpel8_mc32_old_c) |
| DEF_OLD_QPEL(qpel8_mc13_old_c) |
| DEF_OLD_QPEL(qpel8_mc33_old_c) |
| |
| #define CALL_2X_PIXELS(a, b, n)\ |
| static void a(uint8_t *block, const uint8_t *pixels, int line_size, int h){\ |
| b(block , pixels , line_size, h);\ |
| b(block+n, pixels+n, line_size, h);\ |
| } |
| |
| /* motion estimation */ |
| // h is limited to {width/2, width, 2*width} but never larger than 16 and never smaller than 2 |
| // although currently h<4 is not used as functions with width <8 are neither used nor implemented |
| typedef int (*me_cmp_func)(void /*MpegEncContext*/ *s, uint8_t *blk1/*align width (8 or 16)*/, uint8_t *blk2/*align 1*/, int line_size, int h)/* __attribute__ ((const))*/; |
| |
| /** |
| * Scantable. |
| */ |
| typedef struct ScanTable{ |
| const uint8_t *scantable; |
| uint8_t permutated[64]; |
| uint8_t raster_end[64]; |
| #if ARCH_PPC |
| /** Used by dct_quantize_altivec to find last-non-zero */ |
| DECLARE_ALIGNED(16, uint8_t, inverse)[64]; |
| #endif |
| } ScanTable; |
| |
| void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable); |
| |
| #define EMULATED_EDGE(depth) \ |
| void ff_emulated_edge_mc_ ## depth (uint8_t *buf, const uint8_t *src, int linesize,\ |
| int block_w, int block_h,\ |
| int src_x, int src_y, int w, int h); |
| |
| EMULATED_EDGE(8) |
| EMULATED_EDGE(9) |
| EMULATED_EDGE(10) |
| |
| void ff_add_pixels_clamped_c(const DCTELEM *block, uint8_t *dest, int linesize); |
| void ff_put_pixels_clamped_c(const DCTELEM *block, uint8_t *dest, int linesize); |
| void ff_put_signed_pixels_clamped_c(const DCTELEM *block, uint8_t *dest, int linesize); |
| |
| /** |
| * DSPContext. |
| */ |
| typedef struct DSPContext { |
| /** |
| * Size of DCT coefficients. |
| */ |
| int dct_bits; |
| |
| /* pixel ops : interface with DCT */ |
| void (*get_pixels)(DCTELEM *block/*align 16*/, const uint8_t *pixels/*align 8*/, int line_size); |
| void (*diff_pixels)(DCTELEM *block/*align 16*/, const uint8_t *s1/*align 8*/, const uint8_t *s2/*align 8*/, int stride); |
| void (*put_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size); |
| void (*put_signed_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size); |
| void (*add_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size); |
| void (*add_pixels8)(uint8_t *pixels, DCTELEM *block, int line_size); |
| void (*add_pixels4)(uint8_t *pixels, DCTELEM *block, int line_size); |
| int (*sum_abs_dctelem)(DCTELEM *block/*align 16*/); |
| /** |
| * Motion estimation with emulated edge values. |
| * @param buf pointer to destination buffer (unaligned) |
| * @param src pointer to pixel source (unaligned) |
| * @param linesize width (in pixels) for src/buf |
| * @param block_w number of pixels (per row) to copy to buf |
| * @param block_h nummber of pixel rows to copy to buf |
| * @param src_x offset of src to start of row - this may be negative |
| * @param src_y offset of src to top of image - this may be negative |
| * @param w width of src in pixels |
| * @param h height of src in pixels |
| */ |
| void (*emulated_edge_mc)(uint8_t *buf, const uint8_t *src, int linesize, |
| int block_w, int block_h, |
| int src_x, int src_y, int w, int h); |
| /** |
| * translational global motion compensation. |
| */ |
| void (*gmc1)(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int srcStride, int h, int x16, int y16, int rounder); |
| /** |
| * global motion compensation. |
| */ |
| void (*gmc )(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int ox, int oy, |
| int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height); |
| void (*clear_block)(DCTELEM *block/*align 16*/); |
| void (*clear_blocks)(DCTELEM *blocks/*align 16*/); |
| int (*pix_sum)(uint8_t * pix, int line_size); |
| int (*pix_norm1)(uint8_t * pix, int line_size); |
| // 16x16 8x8 4x4 2x2 16x8 8x4 4x2 8x16 4x8 2x4 |
| |
| me_cmp_func sad[6]; /* identical to pix_absAxA except additional void * */ |
| me_cmp_func sse[6]; |
| me_cmp_func hadamard8_diff[6]; |
| me_cmp_func dct_sad[6]; |
| me_cmp_func quant_psnr[6]; |
| me_cmp_func bit[6]; |
| me_cmp_func rd[6]; |
| me_cmp_func vsad[6]; |
| me_cmp_func vsse[6]; |
| me_cmp_func nsse[6]; |
| me_cmp_func w53[6]; |
| me_cmp_func w97[6]; |
| me_cmp_func dct_max[6]; |
| me_cmp_func dct264_sad[6]; |
| |
| me_cmp_func me_pre_cmp[6]; |
| me_cmp_func me_cmp[6]; |
| me_cmp_func me_sub_cmp[6]; |
| me_cmp_func mb_cmp[6]; |
| me_cmp_func ildct_cmp[6]; //only width 16 used |
| me_cmp_func frame_skip_cmp[6]; //only width 8 used |
| |
| int (*ssd_int8_vs_int16)(const int8_t *pix1, const int16_t *pix2, |
| int size); |
| |
| /** |
| * Halfpel motion compensation with rounding (a+b+1)>>1. |
| * this is an array[4][4] of motion compensation functions for 4 |
| * horizontal blocksizes (8,16) and the 4 halfpel positions<br> |
| * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] |
| * @param block destination where the result is stored |
| * @param pixels source |
| * @param line_size number of bytes in a horizontal line of block |
| * @param h height |
| */ |
| op_pixels_func put_pixels_tab[4][4]; |
| |
| /** |
| * Halfpel motion compensation with rounding (a+b+1)>>1. |
| * This is an array[4][4] of motion compensation functions for 4 |
| * horizontal blocksizes (8,16) and the 4 halfpel positions<br> |
| * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] |
| * @param block destination into which the result is averaged (a+b+1)>>1 |
| * @param pixels source |
| * @param line_size number of bytes in a horizontal line of block |
| * @param h height |
| */ |
| op_pixels_func avg_pixels_tab[4][4]; |
| |
| /** |
| * Halfpel motion compensation with no rounding (a+b)>>1. |
| * this is an array[2][4] of motion compensation functions for 2 |
| * horizontal blocksizes (8,16) and the 4 halfpel positions<br> |
| * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] |
| * @param block destination where the result is stored |
| * @param pixels source |
| * @param line_size number of bytes in a horizontal line of block |
| * @param h height |
| */ |
| op_pixels_func put_no_rnd_pixels_tab[4][4]; |
| |
| /** |
| * Halfpel motion compensation with no rounding (a+b)>>1. |
| * this is an array[2][4] of motion compensation functions for 2 |
| * horizontal blocksizes (8,16) and the 4 halfpel positions<br> |
| * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] |
| * @param block destination into which the result is averaged (a+b)>>1 |
| * @param pixels source |
| * @param line_size number of bytes in a horizontal line of block |
| * @param h height |
| */ |
| op_pixels_func avg_no_rnd_pixels_tab[4][4]; |
| |
| void (*put_no_rnd_pixels_l2[2])(uint8_t *block/*align width (8 or 16)*/, const uint8_t *a/*align 1*/, const uint8_t *b/*align 1*/, int line_size, int h); |
| |
| /** |
| * Thirdpel motion compensation with rounding (a+b+1)>>1. |
| * this is an array[12] of motion compensation functions for the 9 thirdpe |
| * positions<br> |
| * *pixels_tab[ xthirdpel + 4*ythirdpel ] |
| * @param block destination where the result is stored |
| * @param pixels source |
| * @param line_size number of bytes in a horizontal line of block |
| * @param h height |
| */ |
| tpel_mc_func put_tpel_pixels_tab[11]; //FIXME individual func ptr per width? |
| tpel_mc_func avg_tpel_pixels_tab[11]; //FIXME individual func ptr per width? |
| |
| qpel_mc_func put_qpel_pixels_tab[2][16]; |
| qpel_mc_func avg_qpel_pixels_tab[2][16]; |
| qpel_mc_func put_no_rnd_qpel_pixels_tab[2][16]; |
| qpel_mc_func avg_no_rnd_qpel_pixels_tab[2][16]; |
| qpel_mc_func put_mspel_pixels_tab[8]; |
| |
| /** |
| * h264 Chroma MC |
| */ |
| h264_chroma_mc_func put_h264_chroma_pixels_tab[3]; |
| h264_chroma_mc_func avg_h264_chroma_pixels_tab[3]; |
| |
| qpel_mc_func put_h264_qpel_pixels_tab[4][16]; |
| qpel_mc_func avg_h264_qpel_pixels_tab[4][16]; |
| |
| qpel_mc_func put_2tap_qpel_pixels_tab[4][16]; |
| qpel_mc_func avg_2tap_qpel_pixels_tab[4][16]; |
| |
| me_cmp_func pix_abs[2][4]; |
| |
| /* huffyuv specific */ |
| void (*add_bytes)(uint8_t *dst/*align 16*/, uint8_t *src/*align 16*/, int w); |
| void (*diff_bytes)(uint8_t *dst/*align 16*/, uint8_t *src1/*align 16*/, uint8_t *src2/*align 1*/,int w); |
| /** |
| * subtract huffyuv's variant of median prediction |
| * note, this might read from src1[-1], src2[-1] |
| */ |
| void (*sub_hfyu_median_prediction)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int w, int *left, int *left_top); |
| void (*add_hfyu_median_prediction)(uint8_t *dst, const uint8_t *top, const uint8_t *diff, int w, int *left, int *left_top); |
| int (*add_hfyu_left_prediction)(uint8_t *dst, const uint8_t *src, int w, int left); |
| void (*add_hfyu_left_prediction_bgr32)(uint8_t *dst, const uint8_t *src, int w, int *red, int *green, int *blue, int *alpha); |
| /* this might write to dst[w] */ |
| void (*bswap_buf)(uint32_t *dst, const uint32_t *src, int w); |
| void (*bswap16_buf)(uint16_t *dst, const uint16_t *src, int len); |
| |
| void (*h263_v_loop_filter)(uint8_t *src, int stride, int qscale); |
| void (*h263_h_loop_filter)(uint8_t *src, int stride, int qscale); |
| |
| void (*h261_loop_filter)(uint8_t *src, int stride); |
| |
| void (*x8_v_loop_filter)(uint8_t *src, int stride, int qscale); |
| void (*x8_h_loop_filter)(uint8_t *src, int stride, int qscale); |
| |
| void (*vp3_idct_dc_add)(uint8_t *dest/*align 8*/, int line_size, const DCTELEM *block/*align 16*/); |
| void (*vp3_v_loop_filter)(uint8_t *src, int stride, int *bounding_values); |
| void (*vp3_h_loop_filter)(uint8_t *src, int stride, int *bounding_values); |
| |
| /* assume len is a multiple of 4, and arrays are 16-byte aligned */ |
| void (*vorbis_inverse_coupling)(float *mag, float *ang, int blocksize); |
| void (*ac3_downmix)(float (*samples)[256], float (*matrix)[2], int out_ch, int in_ch, int len); |
| /* assume len is a multiple of 8, and arrays are 16-byte aligned */ |
| void (*vector_fmul)(float *dst, const float *src0, const float *src1, int len); |
| void (*vector_fmul_reverse)(float *dst, const float *src0, const float *src1, int len); |
| /* assume len is a multiple of 8, and src arrays are 16-byte aligned */ |
| void (*vector_fmul_add)(float *dst, const float *src0, const float *src1, const float *src2, int len); |
| /* assume len is a multiple of 4, and arrays are 16-byte aligned */ |
| void (*vector_fmul_window)(float *dst, const float *src0, const float *src1, const float *win, int len); |
| /* assume len is a multiple of 8, and arrays are 16-byte aligned */ |
| void (*vector_clipf)(float *dst /* align 16 */, const float *src /* align 16 */, float min, float max, int len /* align 16 */); |
| /** |
| * Multiply a vector of floats by a scalar float. Source and |
| * destination vectors must overlap exactly or not at all. |
| * @param dst result vector, 16-byte aligned |
| * @param src input vector, 16-byte aligned |
| * @param mul scalar value |
| * @param len length of vector, multiple of 4 |
| */ |
| void (*vector_fmul_scalar)(float *dst, const float *src, float mul, |
| int len); |
| /** |
| * Calculate the scalar product of two vectors of floats. |
| * @param v1 first vector, 16-byte aligned |
| * @param v2 second vector, 16-byte aligned |
| * @param len length of vectors, multiple of 4 |
| */ |
| float (*scalarproduct_float)(const float *v1, const float *v2, int len); |
| /** |
| * Calculate the sum and difference of two vectors of floats. |
| * @param v1 first input vector, sum output, 16-byte aligned |
| * @param v2 second input vector, difference output, 16-byte aligned |
| * @param len length of vectors, multiple of 4 |
| */ |
| void (*butterflies_float)(float *restrict v1, float *restrict v2, int len); |
| |
| /* (I)DCT */ |
| void (*fdct)(DCTELEM *block/* align 16*/); |
| void (*fdct248)(DCTELEM *block/* align 16*/); |
| |
| /* IDCT really*/ |
| void (*idct)(DCTELEM *block/* align 16*/); |
| |
| /** |
| * block -> idct -> clip to unsigned 8 bit -> dest. |
| * (-1392, 0, 0, ...) -> idct -> (-174, -174, ...) -> put -> (0, 0, ...) |
| * @param line_size size in bytes of a horizontal line of dest |
| */ |
| void (*idct_put)(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/); |
| |
| /** |
| * block -> idct -> add dest -> clip to unsigned 8 bit -> dest. |
| * @param line_size size in bytes of a horizontal line of dest |
| */ |
| void (*idct_add)(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/); |
| |
| /** |
| * idct input permutation. |
| * several optimized IDCTs need a permutated input (relative to the normal order of the reference |
| * IDCT) |
| * this permutation must be performed before the idct_put/add, note, normally this can be merged |
| * with the zigzag/alternate scan<br> |
| * an example to avoid confusion: |
| * - (->decode coeffs -> zigzag reorder -> dequant -> reference idct ->...) |
| * - (x -> referece dct -> reference idct -> x) |
| * - (x -> referece dct -> simple_mmx_perm = idct_permutation -> simple_idct_mmx -> x) |
| * - (->decode coeffs -> zigzag reorder -> simple_mmx_perm -> dequant -> simple_idct_mmx ->...) |
| */ |
| uint8_t idct_permutation[64]; |
| int idct_permutation_type; |
| #define FF_NO_IDCT_PERM 1 |
| #define FF_LIBMPEG2_IDCT_PERM 2 |
| #define FF_SIMPLE_IDCT_PERM 3 |
| #define FF_TRANSPOSE_IDCT_PERM 4 |
| #define FF_PARTTRANS_IDCT_PERM 5 |
| #define FF_SSE2_IDCT_PERM 6 |
| |
| int (*try_8x8basis)(int16_t rem[64], int16_t weight[64], int16_t basis[64], int scale); |
| void (*add_8x8basis)(int16_t rem[64], int16_t basis[64], int scale); |
| #define BASIS_SHIFT 16 |
| #define RECON_SHIFT 6 |
| |
| void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w, int h, int sides); |
| #define EDGE_WIDTH 16 |
| #define EDGE_TOP 1 |
| #define EDGE_BOTTOM 2 |
| |
| void (*prefetch)(void *mem, int stride, int h); |
| |
| void (*shrink[4])(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); |
| |
| /* mlp/truehd functions */ |
| void (*mlp_filter_channel)(int32_t *state, const int32_t *coeff, |
| int firorder, int iirorder, |
| unsigned int filter_shift, int32_t mask, int blocksize, |
| int32_t *sample_buffer); |
| |
| /* intrax8 functions */ |
| void (*x8_spatial_compensation[12])(uint8_t *src , uint8_t *dst, int linesize); |
| void (*x8_setup_spatial_compensation)(uint8_t *src, uint8_t *dst, int linesize, |
| int * range, int * sum, int edges); |
| |
| /** |
| * Calculate scalar product of two vectors. |
| * @param len length of vectors, should be multiple of 16 |
| * @param shift number of bits to discard from product |
| */ |
| int32_t (*scalarproduct_int16)(const int16_t *v1, const int16_t *v2/*align 16*/, int len, int shift); |
| /* ape functions */ |
| /** |
| * Calculate scalar product of v1 and v2, |
| * and v1[i] += v3[i] * mul |
| * @param len length of vectors, should be multiple of 16 |
| */ |
| int32_t (*scalarproduct_and_madd_int16)(int16_t *v1/*align 16*/, const int16_t *v2, const int16_t *v3, int len, int mul); |
| |
| /** |
| * Apply symmetric window in 16-bit fixed-point. |
| * @param output destination array |
| * constraints: 16-byte aligned |
| * @param input source array |
| * constraints: 16-byte aligned |
| * @param window window array |
| * constraints: 16-byte aligned, at least len/2 elements |
| * @param len full window length |
| * constraints: multiple of ? greater than zero |
| */ |
| void (*apply_window_int16)(int16_t *output, const int16_t *input, |
| const int16_t *window, unsigned int len); |
| |
| /** |
| * Clip each element in an array of int32_t to a given minimum and maximum value. |
| * @param dst destination array |
| * constraints: 16-byte aligned |
| * @param src source array |
| * constraints: 16-byte aligned |
| * @param min minimum value |
| * constraints: must in the the range [-(1<<24), 1<<24] |
| * @param max maximum value |
| * constraints: must in the the range [-(1<<24), 1<<24] |
| * @param len number of elements in the array |
| * constraints: multiple of 32 greater than zero |
| */ |
| void (*vector_clip_int32)(int32_t *dst, const int32_t *src, int32_t min, |
| int32_t max, unsigned int len); |
| |
| /* rv30 functions */ |
| qpel_mc_func put_rv30_tpel_pixels_tab[4][16]; |
| qpel_mc_func avg_rv30_tpel_pixels_tab[4][16]; |
| |
| /* rv40 functions */ |
| qpel_mc_func put_rv40_qpel_pixels_tab[4][16]; |
| qpel_mc_func avg_rv40_qpel_pixels_tab[4][16]; |
| h264_chroma_mc_func put_rv40_chroma_pixels_tab[3]; |
| h264_chroma_mc_func avg_rv40_chroma_pixels_tab[3]; |
| |
| op_fill_func fill_block_tab[2]; |
| } DSPContext; |
| |
| void dsputil_static_init(void); |
| void dsputil_init(DSPContext* p, AVCodecContext *avctx); |
| |
| int ff_check_alignment(void); |
| |
| /** |
| * permute block according to permuatation. |
| * @param last last non zero element in scantable order |
| */ |
| void ff_block_permute(DCTELEM *block, uint8_t *permutation, const uint8_t *scantable, int last); |
| |
| void ff_set_cmp(DSPContext* c, me_cmp_func *cmp, int type); |
| |
| #define BYTE_VEC32(c) ((c)*0x01010101UL) |
| #define BYTE_VEC64(c) ((c)*0x0001000100010001UL) |
| |
| static inline uint32_t rnd_avg32(uint32_t a, uint32_t b) |
| { |
| return (a | b) - (((a ^ b) & ~BYTE_VEC32(0x01)) >> 1); |
| } |
| |
| static inline uint32_t no_rnd_avg32(uint32_t a, uint32_t b) |
| { |
| return (a & b) + (((a ^ b) & ~BYTE_VEC32(0x01)) >> 1); |
| } |
| |
| static inline uint64_t rnd_avg64(uint64_t a, uint64_t b) |
| { |
| return (a | b) - (((a ^ b) & ~BYTE_VEC64(0x01)) >> 1); |
| } |
| |
| static inline uint64_t no_rnd_avg64(uint64_t a, uint64_t b) |
| { |
| return (a & b) + (((a ^ b) & ~BYTE_VEC64(0x01)) >> 1); |
| } |
| |
| static inline int get_penalty_factor(int lambda, int lambda2, int type){ |
| switch(type&0xFF){ |
| default: |
| case FF_CMP_SAD: |
| return lambda>>FF_LAMBDA_SHIFT; |
| case FF_CMP_DCT: |
| return (3*lambda)>>(FF_LAMBDA_SHIFT+1); |
| case FF_CMP_W53: |
| return (4*lambda)>>(FF_LAMBDA_SHIFT); |
| case FF_CMP_W97: |
| return (2*lambda)>>(FF_LAMBDA_SHIFT); |
| case FF_CMP_SATD: |
| case FF_CMP_DCT264: |
| return (2*lambda)>>FF_LAMBDA_SHIFT; |
| case FF_CMP_RD: |
| case FF_CMP_PSNR: |
| case FF_CMP_SSE: |
| case FF_CMP_NSSE: |
| return lambda2>>FF_LAMBDA_SHIFT; |
| case FF_CMP_BIT: |
| return 1; |
| } |
| } |
| |
| void dsputil_init_alpha(DSPContext* c, AVCodecContext *avctx); |
| void dsputil_init_arm(DSPContext* c, AVCodecContext *avctx); |
| void dsputil_init_bfin(DSPContext* c, AVCodecContext *avctx); |
| void dsputil_init_mlib(DSPContext* c, AVCodecContext *avctx); |
| void dsputil_init_mmi(DSPContext* c, AVCodecContext *avctx); |
| void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx); |
| void dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx); |
| void dsputil_init_sh4(DSPContext* c, AVCodecContext *avctx); |
| void dsputil_init_vis(DSPContext* c, AVCodecContext *avctx); |
| |
| void ff_dsputil_init_dwt(DSPContext *c); |
| void ff_rv30dsp_init(DSPContext* c, AVCodecContext *avctx); |
| void ff_rv40dsp_init(DSPContext* c, AVCodecContext *avctx); |
| void ff_intrax8dsp_init(DSPContext* c, AVCodecContext *avctx); |
| void ff_mlp_init(DSPContext* c, AVCodecContext *avctx); |
| void ff_mlp_init_x86(DSPContext* c, AVCodecContext *avctx); |
| |
| |
| #if ARCH_ARM |
| |
| |
| #if HAVE_NEON |
| # define STRIDE_ALIGN 16 |
| #endif |
| |
| #elif ARCH_PPC |
| |
| #define STRIDE_ALIGN 16 |
| |
| #elif HAVE_MMI |
| |
| #define STRIDE_ALIGN 16 |
| |
| #endif |
| |
| #ifndef STRIDE_ALIGN |
| # define STRIDE_ALIGN 8 |
| #endif |
| |
| #define LOCAL_ALIGNED_A(a, t, v, s, o, ...) \ |
| uint8_t la_##v[sizeof(t s o) + (a)]; \ |
| t (*v) o = (void *)FFALIGN((uintptr_t)la_##v, a) |
| |
| #define LOCAL_ALIGNED_D(a, t, v, s, o, ...) DECLARE_ALIGNED(a, t, v) s o |
| |
| #define LOCAL_ALIGNED(a, t, v, ...) LOCAL_ALIGNED_A(a, t, v, __VA_ARGS__,,) |
| |
| #if HAVE_LOCAL_ALIGNED_8 |
| # define LOCAL_ALIGNED_8(t, v, ...) LOCAL_ALIGNED_D(8, t, v, __VA_ARGS__,,) |
| #else |
| # define LOCAL_ALIGNED_8(t, v, ...) LOCAL_ALIGNED(8, t, v, __VA_ARGS__) |
| #endif |
| |
| #if HAVE_LOCAL_ALIGNED_16 |
| # define LOCAL_ALIGNED_16(t, v, ...) LOCAL_ALIGNED_D(16, t, v, __VA_ARGS__,,) |
| #else |
| # define LOCAL_ALIGNED_16(t, v, ...) LOCAL_ALIGNED(16, t, v, __VA_ARGS__) |
| #endif |
| |
| #define WRAPPER8_16(name8, name16)\ |
| static int name16(void /*MpegEncContext*/ *s, uint8_t *dst, uint8_t *src, int stride, int h){\ |
| return name8(s, dst , src , stride, h)\ |
| +name8(s, dst+8 , src+8 , stride, h);\ |
| } |
| |
| #define WRAPPER8_16_SQ(name8, name16)\ |
| static int name16(void /*MpegEncContext*/ *s, uint8_t *dst, uint8_t *src, int stride, int h){\ |
| int score=0;\ |
| score +=name8(s, dst , src , stride, 8);\ |
| score +=name8(s, dst+8 , src+8 , stride, 8);\ |
| if(h==16){\ |
| dst += 8*stride;\ |
| src += 8*stride;\ |
| score +=name8(s, dst , src , stride, 8);\ |
| score +=name8(s, dst+8 , src+8 , stride, 8);\ |
| }\ |
| return score;\ |
| } |
| |
| |
| static inline void copy_block2(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h) |
| { |
| int i; |
| for(i=0; i<h; i++) |
| { |
| AV_WN16(dst , AV_RN16(src )); |
| dst+=dstStride; |
| src+=srcStride; |
| } |
| } |
| |
| static inline void copy_block4(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h) |
| { |
| int i; |
| for(i=0; i<h; i++) |
| { |
| AV_WN32(dst , AV_RN32(src )); |
| dst+=dstStride; |
| src+=srcStride; |
| } |
| } |
| |
| static inline void copy_block8(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h) |
| { |
| int i; |
| for(i=0; i<h; i++) |
| { |
| AV_WN32(dst , AV_RN32(src )); |
| AV_WN32(dst+4 , AV_RN32(src+4 )); |
| dst+=dstStride; |
| src+=srcStride; |
| } |
| } |
| |
| static inline void copy_block9(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h) |
| { |
| int i; |
| for(i=0; i<h; i++) |
| { |
| AV_WN32(dst , AV_RN32(src )); |
| AV_WN32(dst+4 , AV_RN32(src+4 )); |
| dst[8]= src[8]; |
| dst+=dstStride; |
| src+=srcStride; |
| } |
| } |
| |
| static inline void copy_block16(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h) |
| { |
| int i; |
| for(i=0; i<h; i++) |
| { |
| AV_WN32(dst , AV_RN32(src )); |
| AV_WN32(dst+4 , AV_RN32(src+4 )); |
| AV_WN32(dst+8 , AV_RN32(src+8 )); |
| AV_WN32(dst+12, AV_RN32(src+12)); |
| dst+=dstStride; |
| src+=srcStride; |
| } |
| } |
| |
| static inline void copy_block17(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h) |
| { |
| int i; |
| for(i=0; i<h; i++) |
| { |
| AV_WN32(dst , AV_RN32(src )); |
| AV_WN32(dst+4 , AV_RN32(src+4 )); |
| AV_WN32(dst+8 , AV_RN32(src+8 )); |
| AV_WN32(dst+12, AV_RN32(src+12)); |
| dst[16]= src[16]; |
| dst+=dstStride; |
| src+=srcStride; |
| } |
| } |
| |
| #endif /* AVCODEC_DSPUTIL_H */ |