| #ifndef ENCODER_DOT_H |
| #define ENCODER_DOT_H |
| /*********************************************************************** |
| * |
| * encoder and decoder delays |
| * |
| ***********************************************************************/ |
| /* |
| layerIII enc->dec delay: 1056 (observed) |
| layerII enc->dec dealy: 480 (observed) |
| |
| |
| polyphase 256-16 (dec or enc) = 240 |
| mdct 256+32 (9*32) (dec or enc) = 288 |
| total: 512+16 |
| |
| */ |
| |
| |
| |
| /* ENCDELAY The encoder delay. |
| |
| Minimum allowed is MDCTDELAY (see below) |
| |
| The first 96 samples will be attenuated, so using a value |
| less than 96 will result in lost data in the first 96-ENCDELAY |
| samples. |
| |
| suggested: 800 |
| set to 1160 to sync with FhG. |
| */ |
| #define ENCDELAY 800 |
| |
| |
| |
| |
| /* delay of the MDCT used in mdct.c */ |
| /* original ISO routiens had a delay of 528! Takehiro's routines: */ |
| #define MDCTDELAY 48 |
| #define FFTOFFSET (224+MDCTDELAY) |
| |
| /* |
| Most decoders, including the one we use, have a delay of 528 samples. |
| */ |
| #define DECDELAY 528 |
| |
| |
| /* number of subbands */ |
| #define SBLIMIT 32 |
| |
| /* parition bands bands */ |
| #define CBANDS 63 |
| |
| /* number of critical bands/scale factor bands where masking is computed*/ |
| #define SBPSY_l 21 |
| #define SBPSY_s 12 |
| |
| /* total number of scalefactor bands encoded */ |
| #define SBMAX_l 22 |
| #define SBMAX_s 13 |
| |
| |
| |
| /* FFT sizes */ |
| #define BLKSIZE 1024 |
| #define HBLKSIZE 513 |
| #define BLKSIZE_s 256 |
| #define HBLKSIZE_s 129 |
| |
| |
| /* #define switch_pe 1800 */ |
| #define NORM_TYPE 0 |
| #define START_TYPE 1 |
| #define SHORT_TYPE 2 |
| #define STOP_TYPE 3 |
| |
| |
| #endif |
