virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-03-28 12:32:17 +02:00
Code Issues Releases Activity

h264dec: Fix mix of lossless and lossy MBs decoding

Browse Source 
CC: libav-stable@libav.org

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Anton Mitrofanov 2017-06-15 18:56:16 -04:00 committed by Anton Khirnov
parent 18d3f36d3c
commit 70946e6059
2 changed files with 16 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
libavcodec/h264_cabac.c
View File

@ -2371,14 +2371,6 @@ decode_intra_mb:
const uint8_t *scan, *scan8x8;
const uint32_t *qmul;
if(IS_INTERLACED(mb_type)){
scan8x8 = sl->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
scan = sl->qscale ? h->field_scan : h->field_scan_q0;
}else{
scan8x8 = sl->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
scan = sl->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
}
// decode_cabac_mb_dqp
if(get_cabac_noinline( &sl->cabac, &sl->cabac_state[60 + (sl->last_qscale_diff != 0)])){
int val = 1;
@ -2409,6 +2401,14 @@ decode_intra_mb:
}else
sl->last_qscale_diff=0;
if(IS_INTERLACED(mb_type)){
scan8x8 = sl->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
scan = sl->qscale ? h->field_scan : h->field_scan_q0;
}else{
scan8x8 = sl->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
scan = sl->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
}
decode_cabac_luma_residual(h, sl, scan, scan8x8, pixel_shift, mb_type, cbp, 0);
if (CHROMA444(h)) {
decode_cabac_luma_residual(h, sl, scan, scan8x8, pixel_shift, mb_type, cbp, 1);

16
libavcodec/h264_cavlc.c
View File

@ -1093,14 +1093,6 @@ decode_intra_mb:
const uint8_t *scan, *scan8x8;
const int max_qp = 51 + 6 * (h->ps.sps->bit_depth_luma - 8);
if(IS_INTERLACED(mb_type)){
scan8x8 = sl->qscale ? h->field_scan8x8_cavlc : h->field_scan8x8_cavlc_q0;
scan = sl->qscale ? h->field_scan : h->field_scan_q0;
}else{
scan8x8 = sl->qscale ? h->zigzag_scan8x8_cavlc : h->zigzag_scan8x8_cavlc_q0;
scan = sl->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
}
dquant= get_se_golomb(&sl->gb);
sl->qscale += dquant;
@ -1117,6 +1109,14 @@ decode_intra_mb:
sl->chroma_qp[0] = get_chroma_qp(h->ps.pps, 0, sl->qscale);
sl->chroma_qp[1] = get_chroma_qp(h->ps.pps, 1, sl->qscale);
if(IS_INTERLACED(mb_type)){
scan8x8 = sl->qscale ? h->field_scan8x8_cavlc : h->field_scan8x8_cavlc_q0;
scan = sl->qscale ? h->field_scan : h->field_scan_q0;
}else{
scan8x8 = sl->qscale ? h->zigzag_scan8x8_cavlc : h->zigzag_scan8x8_cavlc_q0;
scan = sl->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
}
if ((ret = decode_luma_residual(h, sl, gb, scan, scan8x8, pixel_shift, mb_type, cbp, 0)) < 0 ) {
return -1;
}