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authorAnton Khirnov <anton@khirnov.net>2015-01-17 22:28:46 +0100
committerAnton Khirnov <anton@khirnov.net>2015-03-21 11:27:13 +0100
commite7226984ac13aacb84eae77a372df8ff7685848f (patch)
tree57ef86e9247fbf9abc8ffea1c830f75df509014b /libavcodec/h264_cabac.c
parent30da98adbda6de1f55188f9058a3a5c715049633 (diff)
downloadffmpeg-e7226984ac13aacb84eae77a372df8ff7685848f.tar.gz
h264: move [{top,left}_]cbp into the per-slice context
Diffstat (limited to 'libavcodec/h264_cabac.c')
-rw-r--r--libavcodec/h264_cabac.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/libavcodec/h264_cabac.c b/libavcodec/h264_cabac.c
index 8107b6c6ef..df6baee9fc 100644
--- a/libavcodec/h264_cabac.c
+++ b/libavcodec/h264_cabac.c
@@ -1406,8 +1406,8 @@ static int decode_cabac_mb_cbp_luma(H264Context *h, H264SliceContext *sl)
{
int cbp_b, cbp_a, ctx, cbp = 0;
- cbp_a = h->left_cbp;
- cbp_b = h->top_cbp;
+ cbp_a = sl->left_cbp;
+ cbp_b = sl->top_cbp;
ctx = !(cbp_a & 0x02) + 2 * !(cbp_b & 0x04);
cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]);
@@ -1424,8 +1424,8 @@ static int decode_cabac_mb_cbp_chroma(H264Context *h, H264SliceContext *sl)
int ctx;
int cbp_a, cbp_b;
- cbp_a = (h->left_cbp>>4)&0x03;
- cbp_b = (h-> top_cbp>>4)&0x03;
+ cbp_a = (sl->left_cbp>>4)&0x03;
+ cbp_b = (sl-> top_cbp>>4)&0x03;
ctx = 0;
if( cbp_a > 0 ) ctx++;
@@ -1555,12 +1555,12 @@ static av_always_inline int get_cabac_cbf_ctx(H264Context *h, H264SliceContext *
if( is_dc ) {
if( cat == 3 ) {
idx -= CHROMA_DC_BLOCK_INDEX;
- nza = (h->left_cbp>>(6+idx))&0x01;
- nzb = (h-> top_cbp>>(6+idx))&0x01;
+ nza = (sl->left_cbp>>(6+idx))&0x01;
+ nzb = (sl-> top_cbp>>(6+idx))&0x01;
} else {
idx -= LUMA_DC_BLOCK_INDEX;
- nza = h->left_cbp&(0x100<<idx);
- nzb = h-> top_cbp&(0x100<<idx);
+ nza = sl->left_cbp&(0x100<<idx);
+ nzb = sl-> top_cbp&(0x100<<idx);
}
} else {
nza = sl->non_zero_count_cache[scan8[idx] - 1];
@@ -2315,7 +2315,7 @@ decode_intra_mb:
cbp |= decode_cabac_mb_cbp_chroma(h, sl) << 4;
}
- h->cbp_table[mb_xy] = h->cbp = cbp;
+ h->cbp_table[mb_xy] = sl->cbp = cbp;
if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
mb_type |= MB_TYPE_8x8DCT * get_cabac_noinline(&sl->cabac, &sl->cabac_state[399 + sl->neighbor_transform_size]);