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ffmpeg.wasm-core
Commit cc615d2c authored by Michael Niedermayer's avatar Michael Niedermayer
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Originally committed as revision 14619 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent d00eac6c
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Showing with 63 additions and 63 deletions
libavcodec/h264.c
View file @ cc615d2c
......@@ -1011,18 +1011,18 @@ static inline void pred_direct_motion(H264Context * const h, int *mb_type){
single_col:
mb_type_col[0] =
mb_type_col[1] = h->ref_list[1][0].mb_type[mb_xy];
if(IS_8X8(mb_type_col[0]) && !h->sps.direct_8x8_inference_flag){
/* FIXME save sub mb types from previous frames (or derive from MVs)
* so we know exactly what block size to use */
sub_mb_type = MB_TYPE_8x8|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_4x4 */
*mb_type |= MB_TYPE_8x8|MB_TYPE_L0L1;
}else if(!is_b8x8 && (mb_type_col[0] & MB_TYPE_16x16_OR_INTRA)){
sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
*mb_type |= MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_16x16 */
}else{
sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
*mb_type |= MB_TYPE_8x8|MB_TYPE_L0L1;
}
if(IS_8X8(mb_type_col[0]) && !h->sps.direct_8x8_inference_flag){
/* FIXME save sub mb types from previous frames (or derive from MVs)
* so we know exactly what block size to use */
sub_mb_type = MB_TYPE_8x8|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_4x4 */
*mb_type |= MB_TYPE_8x8|MB_TYPE_L0L1;
}else if(!is_b8x8 && (mb_type_col[0] & MB_TYPE_16x16_OR_INTRA)){
sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
*mb_type |= MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_16x16 */
}else{
sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
*mb_type |= MB_TYPE_8x8|MB_TYPE_L0L1;
}
}
}
......@@ -1166,64 +1166,64 @@ single_col:
const int *map_col_to_list0[2] = {h->map_col_to_list0[0], h->map_col_to_list0[1]};
const int *dist_scale_factor = h->dist_scale_factor;
if(FRAME_MBAFF && IS_INTERLACED(*mb_type)){
map_col_to_list0[0] = h->map_col_to_list0_field[0];
map_col_to_list0[1] = h->map_col_to_list0_field[1];
dist_scale_factor = h->dist_scale_factor_field;
if(FRAME_MBAFF && IS_INTERLACED(*mb_type)){
map_col_to_list0[0] = h->map_col_to_list0_field[0];
map_col_to_list0[1] = h->map_col_to_list0_field[1];
dist_scale_factor = h->dist_scale_factor_field;
}
if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col[0])){
/* FIXME assumes direct_8x8_inference == 1 */
int y_shift;
int ref_shift;
if(IS_INTERLACED(*mb_type)){
/* frame to field scaling */
y_shift = 0;
ref_shift= FRAME_MBAFF ? 0 : 1;
}else{
y_shift = 2;
ref_shift= FRAME_MBAFF ? 2 : 1;
}
if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col[0])){
/* FIXME assumes direct_8x8_inference == 1 */
int y_shift;
int ref_shift;
if(IS_INTERLACED(*mb_type)){
/* frame to field scaling */
y_shift = 0;
ref_shift= FRAME_MBAFF ? 0 : 1;
}else{
y_shift = 2;
ref_shift= FRAME_MBAFF ? 2 : 1;
}
for(i8=0; i8<4; i8++){
const int x8 = i8&1;
const int y8 = i8>>1;
int ref0, scale;
const int16_t (*l1mv)[2]= l1mv0;
for(i8=0; i8<4; i8++){
const int x8 = i8&1;
const int y8 = i8>>1;
int ref0, scale;
const int16_t (*l1mv)[2]= l1mv0;
if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
continue;
h->sub_mb_type[i8] = sub_mb_type;
fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
if(IS_INTRA(mb_type_col[y8])){
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);
fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
continue;
}
if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
continue;
h->sub_mb_type[i8] = sub_mb_type;
ref0 = l1ref0[x8 + y8*b8_stride];
if(ref0 >= 0)
ref0 = map_col_to_list0[0][ref0*2>>ref_shift];
else{
ref0 = map_col_to_list0[1][l1ref1[x8 + y8*b8_stride]*2>>ref_shift];
l1mv= l1mv1;
}
scale = dist_scale_factor[ref0];
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
if(IS_INTRA(mb_type_col[y8])){
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);
fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
continue;
}
{
const int16_t *mv_col = l1mv[x8*3 + y8*b4_stride];
int my_col = (mv_col[1]<<y_shift)/2;
int mx = (scale * mv_col[0] + 128) >> 8;
int my = (scale * my_col + 128) >> 8;
fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4);
fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-my_col), 4);
}
ref0 = l1ref0[x8 + y8*b8_stride];
if(ref0 >= 0)
ref0 = map_col_to_list0[0][ref0*2>>ref_shift];
else{
ref0 = map_col_to_list0[1][l1ref1[x8 + y8*b8_stride]*2>>ref_shift];
l1mv= l1mv1;
}
scale = dist_scale_factor[ref0];
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
{
const int16_t *mv_col = l1mv[x8*3 + y8*b4_stride];
int my_col = (mv_col[1]<<y_shift)/2;
int mx = (scale * mv_col[0] + 128) >> 8;
int my = (scale * my_col + 128) >> 8;
fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4);
fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-my_col), 4);
}
return;
}
return;
}
/* one-to-one mv scaling */
......
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