| 370 | } |
| 371 | |
| 372 | static void init_frame(FlacEncodeContext *s) |
| 373 | { |
| 374 | int i, ch; |
| 375 | FlacFrame *frame; |
| 376 | |
| 377 | frame = &s->frame; |
| 378 | |
| 379 | for(i=0; i<16; i++) { |
| 380 | if(s->avctx->frame_size == ff_flac_blocksize_table[i]) { |
| 381 | frame->blocksize = ff_flac_blocksize_table[i]; |
| 382 | frame->bs_code[0] = i; |
| 383 | frame->bs_code[1] = 0; |
| 384 | break; |
| 385 | } |
| 386 | } |
| 387 | if(i == 16) { |
| 388 | frame->blocksize = s->avctx->frame_size; |
| 389 | if(frame->blocksize <= 256) { |
| 390 | frame->bs_code[0] = 6; |
| 391 | frame->bs_code[1] = frame->blocksize-1; |
| 392 | } else { |
| 393 | frame->bs_code[0] = 7; |
| 394 | frame->bs_code[1] = frame->blocksize-1; |
| 395 | } |
| 396 | } |
| 397 | |
| 398 | for(ch=0; ch<s->channels; ch++) { |
| 399 | frame->subframes[ch].obits = 16; |
| 400 | } |
| 401 | } |
| 402 | |
| 403 | /** |
| 404 | * Copy channel-interleaved input samples into separate subframes |