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Fix ref_shift so that it is correct for more/all? MBAFF/PAFF mixes.
Fixes at least MR9_BT_B. Originally committed as revision 15380 to svn://svn.ffmpeg.org/ffmpeg/trunk
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471341a7f3
commit
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@ -938,6 +938,7 @@ static inline void direct_ref_list_init(H264Context * const h){
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memcpy(cur->ref_count[0], cur->ref_count[1], sizeof(cur->ref_count[0]));
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memcpy(cur->ref_poc [0], cur->ref_poc [1], sizeof(cur->ref_poc [0]));
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}
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cur->mbaff= FRAME_MBAFF;
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if(cur->pict_type != FF_B_TYPE || h->direct_spatial_mv_pred)
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return;
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for(list=0; list<2; list++){
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@ -1179,16 +1180,20 @@ single_col:
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}else{ /* direct temporal mv pred */
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const int *map_col_to_list0[2] = {h->map_col_to_list0[0], h->map_col_to_list0[1]};
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const int *dist_scale_factor = h->dist_scale_factor;
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int ref_shift= 1;
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if(FRAME_MBAFF && IS_INTERLACED(*mb_type)){
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map_col_to_list0[0] = h->map_col_to_list0_field[s->mb_y&1][0];
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map_col_to_list0[1] = h->map_col_to_list0_field[s->mb_y&1][1];
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dist_scale_factor =h->dist_scale_factor_field[s->mb_y&1];
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ref_shift--;
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}
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if(h->ref_list[1][0].mbaff && IS_INTERLACED(mb_type_col[0]))
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ref_shift++;
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if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col[0])){
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/* FIXME assumes direct_8x8_inference == 1 */
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int y_shift = 2*!IS_INTERLACED(*mb_type);
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int ref_shift= FRAME_MBAFF ? y_shift : 1;
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for(i8=0; i8<4; i8++){
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const int x8 = i8&1;
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@ -1239,8 +1244,8 @@ single_col:
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if(IS_INTRA(mb_type_col[0])){
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ref=mv0=mv1=0;
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}else{
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const int ref0 = l1ref0[0] >= 0 ? map_col_to_list0[0][l1ref0[0]]
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: map_col_to_list0[1][l1ref1[0]];
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const int ref0 = l1ref0[0] >= 0 ? map_col_to_list0[0][(l1ref0[0]*2)>>ref_shift]
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: map_col_to_list0[1][(l1ref1[0]*2)>>ref_shift];
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const int scale = dist_scale_factor[ref0];
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const int16_t *mv_col = l1ref0[0] >= 0 ? l1mv0[0] : l1mv1[0];
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int mv_l0[2];
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@ -1271,11 +1276,11 @@ single_col:
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continue;
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}
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ref0 = l1ref0[x8 + y8*b8_stride];
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ref0 = (l1ref0[x8 + y8*b8_stride]*2)>>ref_shift;
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if(ref0 >= 0)
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ref0 = map_col_to_list0[0][ref0];
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else{
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ref0 = map_col_to_list0[1][l1ref1[x8 + y8*b8_stride]];
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ref0 = map_col_to_list0[1][(l1ref1[x8 + y8*b8_stride]*2)>>ref_shift];
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l1mv= l1mv1;
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}
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scale = dist_scale_factor[ref0];
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@ -120,6 +120,7 @@ typedef struct Picture{
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int long_ref; ///< 1->long term reference 0->short term reference
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int ref_poc[2][2][16]; ///< h264 POCs of the frames used as reference (FIXME need per slice)
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int ref_count[2][2]; ///< number of entries in ref_poc (FIXME need per slice)
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int mbaff; ///< h264 1 -> MBAFF frame 0-> not MBAFF
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int mb_var_sum; ///< sum of MB variance for current frame
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int mc_mb_var_sum; ///< motion compensated MB variance for current frame
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