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1.5x faster write_back_motion, 1-3% overall

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Originally committed as revision 5198 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Loren Merritt 2006-03-22 12:41:02 +00:00
parent e8600e5edc
commit 53b19144e7
1 changed files with 21 additions and 34 deletions
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55
libavcodec/h264.c
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@ -715,7 +715,7 @@ static void fill_caches(H264Context *h, int mb_type, int for_deblock){
}
h->mv_cache_clean[list]= 0;
if(IS_INTER(top_type)){
if(USES_LIST(top_type, list)){
const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride;
*(uint32_t*)h->mv_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 0];
@ -735,7 +735,7 @@ static void fill_caches(H264Context *h, int mb_type, int for_deblock){
}
//FIXME unify cleanup or sth
if(IS_INTER(left_type[0])){
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]];
@ -749,7 +749,7 @@ static void fill_caches(H264Context *h, int mb_type, int for_deblock){
h->ref_cache[list][scan8[0] - 1 + 1*8]= left_type[0] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
}
if(IS_INTER(left_type[1])){
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]];
@ -767,7 +767,7 @@ static void fill_caches(H264Context *h, int mb_type, int for_deblock){
if(for_deblock || (IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred))
continue;
if(IS_INTER(topleft_type)){
if(USES_LIST(topleft_type, list)){
const int b_xy = h->mb2b_xy[topleft_xy] + 3 + 3*h->b_stride;
const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + h->b8_stride;
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
@ -777,7 +777,7 @@ static void fill_caches(H264Context *h, int mb_type, int for_deblock){
h->ref_cache[list][scan8[0] - 1 - 1*8]= topleft_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
}
if(IS_INTER(topright_type)){
if(USES_LIST(topright_type, list)){
const int b_xy= h->mb2b_xy[topright_xy] + 3*h->b_stride;
const int b8_xy= h->mb2b8_xy[topright_xy] + h->b8_stride;
*(uint32_t*)h->mv_cache[list][scan8[0] + 4 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
@ -801,14 +801,14 @@ static void fill_caches(H264Context *h, int mb_type, int for_deblock){
if( h->pps.cabac ) {
/* XXX beurk, Load mvd */
if(IS_INTER(topleft_type)){
if(USES_LIST(topleft_type, list)){
const int b_xy = h->mb2b_xy[topleft_xy] + 3 + 3*h->b_stride;
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy];
}else{
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 - 1*8]= 0;
}
if(IS_INTER(top_type)){
if(USES_LIST(top_type, list)){
const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
*(uint32_t*)h->mvd_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 0];
*(uint32_t*)h->mvd_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 1];
@ -820,7 +820,7 @@ static void fill_caches(H264Context *h, int mb_type, int for_deblock){
*(uint32_t*)h->mvd_cache [list][scan8[0] + 2 - 1*8]=
*(uint32_t*)h->mvd_cache [list][scan8[0] + 3 - 1*8]= 0;
}
if(IS_INTER(left_type[0])){
if(USES_LIST(left_type[0], list)){
const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[0]];
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[1]];
@ -828,7 +828,7 @@ static void fill_caches(H264Context *h, int mb_type, int for_deblock){
*(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 0*8]=
*(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 1*8]= 0;
}
if(IS_INTER(left_type[1])){
if(USES_LIST(left_type[1], list)){
const int b_xy= h->mb2b_xy[left_xy[1]] + 3;
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[2]];
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[3]];
@ -1424,26 +1424,8 @@ static inline void write_back_motion(H264Context *h, int mb_type){
for(list=0; list<2; list++){
int y;
if(!USES_LIST(mb_type, list)){
if(1){ //FIXME skip or never read if mb_type doesn't use it
for(y=0; y<4; y++){
*(uint64_t*)s->current_picture.motion_val[list][b_xy + 0 + y*h->b_stride]=
*(uint64_t*)s->current_picture.motion_val[list][b_xy + 2 + y*h->b_stride]= 0;
}
if( h->pps.cabac ) {
/* FIXME needed ? */
for(y=0; y<4; y++){
*(uint64_t*)h->mvd_table[list][b_xy + 0 + y*h->b_stride]=
*(uint64_t*)h->mvd_table[list][b_xy + 2 + y*h->b_stride]= 0;
}
}
for(y=0; y<2; y++){
s->current_picture.ref_index[list][b8_xy + 0 + y*h->b8_stride]=
s->current_picture.ref_index[list][b8_xy + 1 + y*h->b8_stride]= LIST_NOT_USED;
}
}
if(!USES_LIST(mb_type, list))
continue;
}
for(y=0; y<4; y++){
*(uint64_t*)s->current_picture.motion_val[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+0 + 8*y];
@ -1455,17 +1437,22 @@ static inline void write_back_motion(H264Context *h, int mb_type){
*(uint64_t*)h->mvd_table[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+2 + 8*y];
}
}
for(y=0; y<2; y++){
s->current_picture.ref_index[list][b8_xy + 0 + y*h->b8_stride]= h->ref_cache[list][scan8[0]+0 + 16*y];
s->current_picture.ref_index[list][b8_xy + 1 + y*h->b8_stride]= h->ref_cache[list][scan8[0]+2 + 16*y];
{
uint8_t *ref_index = &s->current_picture.ref_index[list][b8_xy];
ref_index[0+0*h->b8_stride]= h->ref_cache[list][scan8[0]];
ref_index[1+0*h->b8_stride]= h->ref_cache[list][scan8[4]];
ref_index[0+1*h->b8_stride]= h->ref_cache[list][scan8[8]];
ref_index[1+1*h->b8_stride]= h->ref_cache[list][scan8[12]];
}
}
if(h->slice_type == B_TYPE && h->pps.cabac){
if(IS_8X8(mb_type)){
h->direct_table[b8_xy+1+0*h->b8_stride] = IS_DIRECT(h->sub_mb_type[1]) ? 1 : 0;
h->direct_table[b8_xy+0+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[2]) ? 1 : 0;
h->direct_table[b8_xy+1+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[3]) ? 1 : 0;
uint8_t *direct_table = &h->direct_table[b8_xy];
direct_table[1+0*h->b8_stride] = IS_DIRECT(h->sub_mb_type[1]) ? 1 : 0;
direct_table[0+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[2]) ? 1 : 0;
direct_table[1+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[3]) ? 1 : 0;
}
}
}