Revision 33dbc1b7
| libavcodec/vp3.c | ||
|---|---|---|
| 461 | 461 |
|
| 462 | 462 |
/* unpack the list of partially-coded superblocks */ |
| 463 | 463 |
bit = get_bits1(gb); |
| 464 |
/* toggle the bit because as soon as the first run length is |
|
| 465 |
* fetched the bit will be toggled again */ |
|
| 466 |
bit ^= 1; |
|
| 467 | 464 |
while (current_superblock < s->superblock_count) {
|
| 468 |
if (current_run-- == 0) {
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bit ^= 1; |
|
| 470 | 465 |
current_run = get_vlc2(gb, |
| 471 |
s->superblock_run_length_vlc.table, 6, 2); |
|
| 472 |
if (current_run == 33)
|
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s->superblock_run_length_vlc.table, 6, 2) + 1;
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if (current_run == 34)
|
|
| 473 | 468 |
current_run += get_bits(gb, 12); |
| 474 | 469 |
|
| 470 |
if (current_superblock + current_run > s->superblock_count) {
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av_log(s->avctx, AV_LOG_ERROR, "Invalid partially coded superblock run length\n"); |
|
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return -1; |
|
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} |
|
| 474 |
|
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memset(s->superblock_coding + current_superblock, bit, current_run); |
|
| 476 |
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current_superblock += current_run; |
|
| 478 |
|
|
| 475 | 479 |
/* if any of the superblocks are not partially coded, flag |
| 476 | 480 |
* a boolean to decode the list of fully-coded superblocks */ |
| 477 | 481 |
if (bit == 0) {
|
| ... | ... | |
| 482 | 486 |
* superblocks */ |
| 483 | 487 |
decode_partial_blocks = 1; |
| 484 | 488 |
} |
| 485 |
} |
|
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s->superblock_coding[current_superblock++] = bit;
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|
| 489 |
|
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bit ^= 1;
|
|
| 487 | 491 |
} |
| 488 | 492 |
|
| 489 | 493 |
/* unpack the list of fully coded superblocks if any of the blocks were |
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