openharmony/third_party_ffmpeg
1
0
Fork 0
mirror of https://gitee.com/openharmony/third_party_ffmpeg synced 2024-11-24 03:39:45 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

h264: move neighbor_transform_size into the per-slice context

Browse Source
This commit is contained in:
Anton Khirnov 2015-01-17 22:28:46 +01:00
parent e6287f077c
commit 99a35d1ccb
3 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
libavcodec/h264.h
View File

@ -342,6 +342,11 @@ typedef struct H264SliceContext {
unsigned int topright_samples_available;
unsigned int left_samples_available;
/**
* number of neighbors (top and/or left) that used 8x8 dct
*/
int neighbor_transform_size;
/**
* non zero coeff count cache.
* is 64 if not available.
@ -398,11 +403,6 @@ typedef struct H264Context {
#define LIST_NOT_USED -1 // FIXME rename?
#define PART_NOT_AVAILABLE -2
/**
* number of neighbors (top and/or left) that used 8x8 dct
*/
int neighbor_transform_size;
/**
* block_offset[ 0..23] for frame macroblocks
* block_offset[24..47] for field macroblocks

4
libavcodec/h264_cabac.c
View File

@ -2050,7 +2050,7 @@ decode_intra_mb:
if( IS_INTRA( mb_type ) ) {
int i, pred_mode;
if( IS_INTRA4x4( mb_type ) ) {
if( dct8x8_allowed && get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] ) ) {
if (dct8x8_allowed && get_cabac_noinline(&h->cabac, &h->cabac_state[399 + sl->neighbor_transform_size])) {
mb_type |= MB_TYPE_8x8DCT;
for( i = 0; i < 16; i+=4 ) {
int pred = pred_intra_mode(h, sl, i);
@ -2309,7 +2309,7 @@ decode_intra_mb:
h->cbp_table[mb_xy] = h->cbp = cbp;
if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
mb_type |= MB_TYPE_8x8DCT * get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] );
mb_type |= MB_TYPE_8x8DCT * get_cabac_noinline(&h->cabac, &h->cabac_state[399 + sl->neighbor_transform_size]);
}
/* It would be better to do this in fill_decode_caches, but we don't know

2
libavcodec/h264_mvpred.h
View File

@ -794,7 +794,7 @@ static void fill_decode_caches(H264Context *h, H264SliceContext *sl, int mb_type
}
}
h->neighbor_transform_size = !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[LTOP]);
sl->neighbor_transform_size = !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[LTOP]);
}
/**