diff options
Diffstat (limited to 'libavcodec/svq3.c')
| -rw-r--r-- | libavcodec/svq3.c | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/libavcodec/svq3.c b/libavcodec/svq3.c index 23ab209..7cde5e5 100644 --- a/libavcodec/svq3.c +++ b/libavcodec/svq3.c @@ -633,9 +633,8 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type) memset(h->intra4x4_pred_mode+h->mb2br_xy[mb_xy], DC_PRED, 8); } if (!IS_SKIP(mb_type) || s->pict_type == AV_PICTURE_TYPE_B) { - memset(h->non_zero_count_cache + 8, 0, 14*8*sizeof(uint8_t)); - s->dsp.clear_blocks(h->mb+ 0); - s->dsp.clear_blocks(h->mb+384); + memset(h->non_zero_count_cache + 8, 0, 4*9*sizeof(uint8_t)); + s->dsp.clear_blocks(h->mb); } if (!IS_INTRA16x16(mb_type) && (!IS_SKIP(mb_type) || s->pict_type == AV_PICTURE_TYPE_B)) { @@ -655,8 +654,8 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type) } } if (IS_INTRA16x16(mb_type)) { - AV_ZERO128(h->mb_luma_dc[0]+0); - AV_ZERO128(h->mb_luma_dc[0]+8); + AV_ZERO128(h->mb_luma_dc+0); + AV_ZERO128(h->mb_luma_dc+8); if (svq3_decode_block(&s->gb, h->mb_luma_dc, 0, 1)){ av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding intra luma dc\n"); return -1; @@ -682,23 +681,20 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type) } if ((cbp & 0x30)) { - for (i = 1; i < 3; ++i) { - if (svq3_decode_block(&s->gb, &h->mb[16*16*i], 0, 3)){ + for (i = 0; i < 2; ++i) { + if (svq3_decode_block(&s->gb, &h->mb[16*(16 + 4*i)], 0, 3)){ av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding chroma dc block\n"); return -1; } } if ((cbp & 0x20)) { - for (i = 1; i < 3; i++) { - for (j = 0; j < 4; j++) { - k = 16*i + j; - h->non_zero_count_cache[ scan8[k] ] = 1; - - if (svq3_decode_block(&s->gb, &h->mb[16*k], 1, 1)){ - av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding chroma ac block\n"); - return -1; - } + for (i = 0; i < 8; i++) { + h->non_zero_count_cache[ scan8[16+i] ] = 1; + + if (svq3_decode_block(&s->gb, &h->mb[16*(16 + i)], 1, 1)){ + av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding chroma ac block\n"); + return -1; } } } |
