virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

simplify in fill_caches

Browse Source 
Originally committed as revision 8026 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Loren Merritt 2007-02-19 04:44:17 +00:00
parent 9b2bb40341
commit 4672503d8c
1 changed files with 16 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
libavcodec/h264.c
View File

@ -812,34 +812,21 @@ static void fill_caches(H264Context *h, int mb_type, int for_deblock){
*(uint32_t*)&h->ref_cache[list][scan8[0] + 0 - 1*8]= ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101;
}
//FIXME unify cleanup or sth
if(USES_LIST(left_type[0], list)){
const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
const int b8_xy= h->mb2b8_xy[left_xy[0]] + 1;
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0]];
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[1]];
h->ref_cache[list][scan8[0] - 1 + 0*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0]>>1)];
h->ref_cache[list][scan8[0] - 1 + 1*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[1]>>1)];
}else{
*(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 0*8]=
*(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 1*8]= 0;
h->ref_cache[list][scan8[0] - 1 + 0*8]=
h->ref_cache[list][scan8[0] - 1 + 1*8]= left_type[0] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
}
if(USES_LIST(left_type[1], list)){
const int b_xy= h->mb2b_xy[left_xy[1]] + 3;
const int b8_xy= h->mb2b8_xy[left_xy[1]] + 1;
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[2]];
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[3]];
h->ref_cache[list][scan8[0] - 1 + 2*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[2]>>1)];
h->ref_cache[list][scan8[0] - 1 + 3*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[3]>>1)];
}else{
*(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 2*8]=
*(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 3*8]= 0;
h->ref_cache[list][scan8[0] - 1 + 2*8]=
h->ref_cache[list][scan8[0] - 1 + 3*8]= left_type[0] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
assert((!left_type[0]) == (!left_type[1]));
for(i=0; i<2; i++){
int cache_idx = scan8[0] - 1 + i*2*8;
if(USES_LIST(left_type[i], list)){
const int b_xy= h->mb2b_xy[left_xy[i]] + 3;
const int b8_xy= h->mb2b8_xy[left_xy[i]] + 1;
*(uint32_t*)h->mv_cache[list][cache_idx ]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0+i*2]];
*(uint32_t*)h->mv_cache[list][cache_idx+8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[1+i*2]];
h->ref_cache[list][cache_idx ]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0+i*2]>>1)];
h->ref_cache[list][cache_idx+8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[1+i*2]>>1)];
}else{
*(uint32_t*)h->mv_cache [list][cache_idx ]=
*(uint32_t*)h->mv_cache [list][cache_idx+8]= 0;
h->ref_cache[list][cache_idx ]=
h->ref_cache[list][cache_idx+8]= left_type[i] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
}
}
if((for_deblock || (IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred)) && !FRAME_MBAFF)
@ -3632,7 +3619,7 @@ static void hl_decode_mb(H264Context *h){
const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
const int nnz = h->non_zero_count_cache[ scan8[i] ];
h->pred8x8l[ dir ](ptr, (h->topleft_samples_available<<i)&0x8000,
(h->topright_samples_available<<(i+1))&0x8000, linesize);
(h->topright_samples_available<<i)&0x4000, linesize);
if(nnz){
if(nnz == 1 && h->mb[i*16])
idct_dc_add(ptr, h->mb + i*16, linesize);