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Split setting neighboring MBs from fill_decode_caches()

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no speed change.

Originally committed as revision 21842 to svn://svn.ffmpeg.org/ffmpeg/trunk
release/0.6
Michael Niedermayer 15 years ago
parent 83a6c1a69c
commit c1bb66ac19
3 changed files with 53 additions and 20 deletions
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  1. 71
      libavcodec/h264.h
  2. 1
      libavcodec/h264_cabac.c
  3. 1
      libavcodec/h264_cavlc.c

71
libavcodec/h264.h
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@ -282,12 +282,19 @@ typedef struct H264Context{
int chroma_pred_mode;
int intra16x16_pred_mode;
int topleft_mb_xy;
int top_mb_xy;
int topright_mb_xy;
int left_mb_xy[2];
int topleft_type;
int top_type;
int topright_type;
int left_type[2];
const uint8_t * left_block;
int topleft_partition;
int8_t intra4x4_pred_mode_cache[5*8];
int8_t (*intra4x4_pred_mode)[8];
H264PredContext hpc;
@ -734,14 +741,10 @@ static inline int get_chroma_qp(H264Context *h, int t, int qscale){
static inline void pred_pskip_motion(H264Context * const h, int * const mx, int * const my);
static void fill_decode_caches(H264Context *h, int mb_type){
static void fill_decode_neighbors(H264Context *h, int mb_type){
MpegEncContext * const s = &h->s;
const int mb_xy= h->mb_xy;
int topleft_xy, top_xy, topright_xy, left_xy[2];
int topleft_type, top_type, topright_type, left_type[2];
const uint8_t * left_block;
int topleft_partition= -1;
int i;
static const uint8_t left_block_options[4][16]={
{0,1,2,3,7,10,8,11,7+0*8, 7+1*8, 7+2*8, 7+3*8, 2+0*8, 2+3*8, 2+1*8, 2+2*8},
{2,2,3,3,8,11,8,11,7+2*8, 7+2*8, 7+3*8, 7+3*8, 2+1*8, 2+2*8, 2+1*8, 2+2*8},
@ -749,6 +752,8 @@ static void fill_decode_caches(H264Context *h, int mb_type){
{0,2,0,2,7,10,7,10,7+0*8, 7+2*8, 7+0*8, 7+2*8, 2+0*8, 2+3*8, 2+0*8, 2+3*8}
};
h->topleft_partition= -1;
top_xy = mb_xy - (s->mb_stride << MB_FIELD);
/* Wow, what a mess, why didn't they simplify the interlacing & intra
@ -757,7 +762,7 @@ static void fill_decode_caches(H264Context *h, int mb_type){
topleft_xy = top_xy - 1;
topright_xy= top_xy + 1;
left_xy[1] = left_xy[0] = mb_xy-1;
left_block = left_block_options[0];
h->left_block = left_block_options[0];
if(FRAME_MBAFF){
const int left_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[mb_xy-1]);
const int curr_mb_field_flag = IS_INTERLACED(mb_type);
@ -766,12 +771,12 @@ static void fill_decode_caches(H264Context *h, int mb_type){
left_xy[1] = left_xy[0] = mb_xy - s->mb_stride - 1;
if (curr_mb_field_flag) {
left_xy[1] += s->mb_stride;
left_block = left_block_options[3];
h->left_block = left_block_options[3];
} else {
topleft_xy += s->mb_stride;
// take top left mv from the middle of the mb, as opposed to all other modes which use the bottom right partition
topleft_partition = 0;
left_block = left_block_options[1];
h->topleft_partition = 0;
h->left_block = left_block_options[1];
}
}
}else{
@ -784,22 +789,45 @@ static void fill_decode_caches(H264Context *h, int mb_type){
left_xy[1] = left_xy[0] = mb_xy - 1;
if (curr_mb_field_flag) {
left_xy[1] += s->mb_stride;
left_block = left_block_options[3];
h->left_block = left_block_options[3];
} else {
left_block = left_block_options[2];
h->left_block = left_block_options[2];
}
}
}
}
h->top_mb_xy = top_xy;
h->topleft_mb_xy = topleft_xy;
h->top_mb_xy = top_xy;
h->topright_mb_xy= topright_xy;
h->left_mb_xy[0] = left_xy[0];
h->left_mb_xy[1] = left_xy[1];
topleft_type = h->slice_table[topleft_xy ] == h->slice_num ? s->current_picture.mb_type[topleft_xy] : 0;
top_type = h->slice_table[top_xy ] == h->slice_num ? s->current_picture.mb_type[top_xy] : 0;
topright_type= h->slice_table[topright_xy] == h->slice_num ? s->current_picture.mb_type[topright_xy]: 0;
left_type[0] = h->slice_table[left_xy[0] ] == h->slice_num ? s->current_picture.mb_type[left_xy[0]] : 0;
left_type[1] = h->slice_table[left_xy[1] ] == h->slice_num ? s->current_picture.mb_type[left_xy[1]] : 0;
//FIXME do we need all in the context?
h->topleft_type = h->slice_table[topleft_xy ] == h->slice_num ? s->current_picture.mb_type[topleft_xy] : 0;
h->top_type = h->slice_table[top_xy ] == h->slice_num ? s->current_picture.mb_type[top_xy] : 0;
h->topright_type= h->slice_table[topright_xy] == h->slice_num ? s->current_picture.mb_type[topright_xy]: 0;
h->left_type[0] = h->slice_table[left_xy[0] ] == h->slice_num ? s->current_picture.mb_type[left_xy[0]] : 0;
h->left_type[1] = h->slice_table[left_xy[1] ] == h->slice_num ? s->current_picture.mb_type[left_xy[1]] : 0;
}
static void fill_decode_caches(H264Context *h, int mb_type){
MpegEncContext * const s = &h->s;
const int mb_xy= h->mb_xy;
int topleft_xy, top_xy, topright_xy, left_xy[2];
int topleft_type, top_type, topright_type, left_type[2];
const uint8_t * left_block= h->left_block;
int i;
topleft_xy = h->topleft_mb_xy ;
top_xy = h->top_mb_xy ;
topright_xy = h->topright_mb_xy;
left_xy[0] = h->left_mb_xy[0] ;
left_xy[1] = h->left_mb_xy[1] ;
topleft_type = h->topleft_type ;
top_type = h->top_type ;
topright_type= h->topright_type ;
left_type[0] = h->left_type[0] ;
left_type[1] = h->left_type[1] ;
if(!IS_SKIP(mb_type)){
if(IS_INTRA(mb_type)){
@ -995,8 +1023,8 @@ static void fill_decode_caches(H264Context *h, int mb_type){
}
if(USES_LIST(topleft_type, list)){
const int b_xy = h->mb2b_xy[topleft_xy] + 3 + h->b_stride + (topleft_partition & 2*h->b_stride);
const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + (topleft_partition & h->b8_stride);
const int b_xy = h->mb2b_xy [topleft_xy] + 3 + h->b_stride + (h->topleft_partition & 2*h->b_stride);
const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + (h->topleft_partition & h->b8_stride);
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
h->ref_cache[list][scan8[0] - 1 - 1*8]= s->current_picture.ref_index[list][b8_xy];
}else{
@ -1452,8 +1480,10 @@ static void decode_mb_skip(H264Context *h){
{
// just for fill_caches. pred_direct_motion will set the real mb_type
mb_type|= MB_TYPE_L0L1|MB_TYPE_DIRECT2|MB_TYPE_SKIP;
if(h->direct_spatial_mv_pred)
if(h->direct_spatial_mv_pred){
fill_decode_neighbors(h, mb_type);
fill_decode_caches(h, mb_type); //FIXME check what is needed and what not ...
}
ff_h264_pred_direct_motion(h, &mb_type);
mb_type|= MB_TYPE_SKIP;
}
@ -1462,6 +1492,7 @@ static void decode_mb_skip(H264Context *h){
int mx, my;
mb_type|= MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P1L0|MB_TYPE_SKIP;
fill_decode_neighbors(h, mb_type);
fill_decode_caches(h, mb_type); //FIXME check what is needed and what not ...
pred_pskip_motion(h, &mx, &my);
fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1);

1
libavcodec/h264_cabac.c
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@ -1365,6 +1365,7 @@ decode_intra_mb:
h->ref_count[1] <<= 1;
}
fill_decode_neighbors(h, mb_type);
fill_decode_caches(h, mb_type);
if( IS_INTRA( mb_type ) ) {

1
libavcodec/h264_cavlc.c
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@ -623,6 +623,7 @@ decode_intra_mb:
h->ref_count[1] <<= 1;
}
fill_decode_neighbors(h, mb_type);
fill_decode_caches(h, mb_type);
//mb_pred

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