libavcodec/h264_direct.c:264: error: Uninitialized Value
  The value read from ref[_] was never initialized.

libavcodec/h264_direct.c:264:17: 
262.                 h->sub_mb_type[i8] = sub_mb_type;
263. 
264.                 fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1);
                     ^
265.                 fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1);
266.                 if(!IS_INTRA(mb_type_col[y8]) && !h->ref_list[1][0].long_ref

void ff_h264_pred_direct_motion(H264Context * const h, int *mb_type){
    MpegEncContext * const s = &h->s;
    int b8_stride = h->b8_stride;
    int b4_stride = h->b_stride;
    int mb_xy = h->mb_xy;
    int mb_type_col[2];
    const int16_t (*l1mv0)[2], (*l1mv1)[2];
    const int8_t *l1ref0, *l1ref1;
    const int is_b8x8 = IS_8X8(*mb_type);
    unsigned int sub_mb_type;
    int i8, i4;
    assert(h->ref_list[1][0].reference&3);
#define MB_TYPE_16x16_OR_INTRA (MB_TYPE_16x16|MB_TYPE_INTRA4x4|MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM)
    if(IS_INTERLACED(h->ref_list[1][0].mb_type[mb_xy])){
        if(!IS_INTERLACED(*mb_type)){
            int cur_poc = s->current_picture_ptr->poc;
            int *col_poc = h->ref_list[1]->field_poc;
            int col_parity = FFABS(col_poc[0] - cur_poc) >= FFABS(col_poc[1] - cur_poc);
            mb_xy= s->mb_x + ((s->mb_y&~1) + col_parity)*s->mb_stride;
            b8_stride = 0;
        }else if(!(s->picture_structure & h->ref_list[1][0].reference) && !h->ref_list[1][0].mbaff){
            int fieldoff= 2*(h->ref_list[1][0].reference)-3;
            mb_xy += s->mb_stride*fieldoff;
        }
        goto single_col;
    }else{
        if(IS_INTERLACED(*mb_type)){
            mb_xy= s->mb_x + (s->mb_y&~1)*s->mb_stride;
            mb_type_col[0] = h->ref_list[1][0].mb_type[mb_xy];
            mb_type_col[1] = h->ref_list[1][0].mb_type[mb_xy + s->mb_stride];
            b8_stride *= 3;
            b4_stride *= 6;
            if(    (mb_type_col[0] & MB_TYPE_16x16_OR_INTRA)
                && (mb_type_col[1] & MB_TYPE_16x16_OR_INTRA)
                && !is_b8x8){
                sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2;
                *mb_type   |= MB_TYPE_16x8 |MB_TYPE_L0L1|MB_TYPE_DIRECT2;
            }else{
                sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2;
                *mb_type   |= MB_TYPE_8x8|MB_TYPE_L0L1;
            }
        }else{
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){
                sub_mb_type = MB_TYPE_8x8|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2;
                *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;
                *mb_type   |= MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2;
            }else{
                sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2;
                *mb_type   |= MB_TYPE_8x8|MB_TYPE_L0L1;
            }
        }
    }
    l1mv0  = &h->ref_list[1][0].motion_val[0][h->mb2b_xy [mb_xy]];
    l1mv1  = &h->ref_list[1][0].motion_val[1][h->mb2b_xy [mb_xy]];
    l1ref0 = &h->ref_list[1][0].ref_index [0][h->mb2b8_xy[mb_xy]];
    l1ref1 = &h->ref_list[1][0].ref_index [1][h->mb2b8_xy[mb_xy]];
    if(!b8_stride){
        if(s->mb_y&1){
            l1ref0 += h->b8_stride;
            l1ref1 += h->b8_stride;
            l1mv0  +=  2*b4_stride;
            l1mv1  +=  2*b4_stride;
        }
    }
    if(h->direct_spatial_mv_pred){
        int ref[2];
        int mv[2][2];
        int list;
        for(list=0; list<2; list++){
            int refa = h->ref_cache[list][scan8[0] - 1];
            int refb = h->ref_cache[list][scan8[0] - 8];
            int refc = h->ref_cache[list][scan8[0] - 8 + 4];
            if(refc == PART_NOT_AVAILABLE)
                refc = h->ref_cache[list][scan8[0] - 8 - 1];
            ref[list] = FFMIN3((unsigned)refa, (unsigned)refb, (unsigned)refc);
            if(ref[list] < 0)
                ref[list] = -1;
        }
        if(ref[0] < 0 && ref[1] < 0){
            ref[0] = ref[1] = 0;
            mv[0][0] = mv[0][1] =
            mv[1][0] = mv[1][1] = 0;
        }else{
            for(list=0; list<2; list++){
                if(ref[list] >= 0)
                    pred_motion(h, 0, 4, list, ref[list], &mv[list][0], &mv[list][1]);
                else
                    mv[list][0] = mv[list][1] = 0;
            }
        }
        if(ref[1] < 0){
            if(!is_b8x8)
                *mb_type &= ~MB_TYPE_L1;
            sub_mb_type &= ~MB_TYPE_L1;
        }else if(ref[0] < 0){
            if(!is_b8x8)
                *mb_type &= ~MB_TYPE_L0;
            sub_mb_type &= ~MB_TYPE_L0;
        }
        if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col[0])){
            for(i8=0; i8<4; i8++){
                int x8 = i8&1;
                int y8 = i8>>1;
                int xy8 = x8+y8*b8_stride;
                int xy4 = 3*x8+y8*b4_stride;
                int a=0, b=0;
                if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
                    continue;
                h->sub_mb_type[i8] = sub_mb_type;
                fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1);
                fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1);
                if(!IS_INTRA(mb_type_col[y8]) && !h->ref_list[1][0].long_ref
                   && (   (l1ref0[xy8] == 0 && FFABS(l1mv0[xy4][0]) <= 1 && FFABS(l1mv0[xy4][1]) <= 1)
                       || (l1ref0[xy8]  < 0 && l1ref1[xy8] == 0 && FFABS(l1mv1[xy4][0]) <= 1 && FFABS(l1mv1[xy4][1]) <= 1))){
                    if(ref[0] > 0)
                        a= pack16to32(mv[0][0],mv[0][1]);
                    if(ref[1] > 0)
                        b= pack16to32(mv[1][0],mv[1][1]);
                }else{
                    a= pack16to32(mv[0][0],mv[0][1]);
                    b= pack16to32(mv[1][0],mv[1][1]);
                }
                fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, a, 4);
                fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, b, 4);
            }
        }else if(IS_16X16(*mb_type)){
            int a=0, b=0;
            fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1);
            fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1);
            if(!IS_INTRA(mb_type_col[0]) && !h->ref_list[1][0].long_ref
               && (   (l1ref0[0] == 0 && FFABS(l1mv0[0][0]) <= 1 && FFABS(l1mv0[0][1]) <= 1)
                   || (l1ref0[0]  < 0 && l1ref1[0] == 0 && FFABS(l1mv1[0][0]) <= 1 && FFABS(l1mv1[0][1]) <= 1
                       && (h->x264_build>33 || !h->x264_build)))){
                if(ref[0] > 0)
                    a= pack16to32(mv[0][0],mv[0][1]);
                if(ref[1] > 0)
                    b= pack16to32(mv[1][0],mv[1][1]);
            }else{
                a= pack16to32(mv[0][0],mv[0][1]);
                b= pack16to32(mv[1][0],mv[1][1]);
            }
            fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, a, 4);
            fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, b, 4);
        }else{
            for(i8=0; i8<4; i8++){
                const int x8 = i8&1;
                const int y8 = i8>>1;
                if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
                    continue;
                h->sub_mb_type[i8] = sub_mb_type;
                fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mv[0][0],mv[0][1]), 4);
                fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mv[1][0],mv[1][1]), 4);
                fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1);
                fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1);
                if(!IS_INTRA(mb_type_col[0]) && !h->ref_list[1][0].long_ref && (   l1ref0[x8 + y8*b8_stride] == 0
                                              || (l1ref0[x8 + y8*b8_stride] < 0 && l1ref1[x8 + y8*b8_stride] == 0
                                                  && (h->x264_build>33 || !h->x264_build)))){
                    const int16_t (*l1mv)[2]= l1ref0[x8 + y8*b8_stride] == 0 ? l1mv0 : l1mv1;
                    if(IS_SUB_8X8(sub_mb_type)){
                        const int16_t *mv_col = l1mv[x8*3 + y8*3*b4_stride];
                        if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){
                            if(ref[0] == 0)
                                fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
                            if(ref[1] == 0)
                                fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
                        }
                    }else
                    for(i4=0; i4<4; i4++){
                        const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*b4_stride];
                        if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){
                            if(ref[0] == 0)
                                *(uint32_t*)h->mv_cache[0][scan8[i8*4+i4]] = 0;
                            if(ref[1] == 0)
                                *(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] = 0;
                        }
                    }
                }
            }
        }
    }else{
        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;
        int ref_offset= 0;
        if(FRAME_MBAFF && IS_INTERLACED(*mb_type)){
            map_col_to_list0[0] = h->map_col_to_list0_field[s->mb_y&1][0];
            map_col_to_list0[1] = h->map_col_to_list0_field[s->mb_y&1][1];
            dist_scale_factor   =h->dist_scale_factor_field[s->mb_y&1];
        }
        if(h->ref_list[1][0].mbaff && IS_INTERLACED(mb_type_col[0]))
            ref_offset += 16;
        if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col[0])){
            int y_shift  = 2*!IS_INTERLACED(*mb_type);
            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;
                }
                ref0 = l1ref0[x8 + y8*b8_stride];
                if(ref0 >= 0)
                    ref0 = map_col_to_list0[0][ref0 + ref_offset];
                else{
                    ref0 = map_col_to_list0[1][l1ref1[x8 + y8*b8_stride] + ref_offset];
                    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;
        }
        if(IS_16X16(*mb_type)){
            int ref, mv0, mv1;
            fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, 0, 1);
            if(IS_INTRA(mb_type_col[0])){
                ref=mv0=mv1=0;
            }else{
                const int ref0 = l1ref0[0] >= 0 ? map_col_to_list0[0][l1ref0[0] + ref_offset]
                                                : map_col_to_list0[1][l1ref1[0] + ref_offset];
                const int scale = dist_scale_factor[ref0];
                const int16_t *mv_col = l1ref0[0] >= 0 ? l1mv0[0] : l1mv1[0];
                int mv_l0[2];
                mv_l0[0] = (scale * mv_col[0] + 128) >> 8;
                mv_l0[1] = (scale * mv_col[1] + 128) >> 8;
                ref= ref0;
                mv0= pack16to32(mv_l0[0],mv_l0[1]);
                mv1= pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]);
            }
            fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref, 1);
            fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, mv0, 4);
            fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, mv1, 4);
        }else{
            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[0])){
                    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;
                }
                ref0 = l1ref0[x8 + y8*b8_stride] + ref_offset;
                if(ref0 >= 0)
                    ref0 = map_col_to_list0[0][ref0];
                else{
                    ref0 = map_col_to_list0[1][l1ref1[x8 + y8*b8_stride] + ref_offset];
                    l1mv= l1mv1;
                }
                scale = dist_scale_factor[ref0];
                fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
                if(IS_SUB_8X8(sub_mb_type)){
                    const int16_t *mv_col = l1mv[x8*3 + y8*3*b4_stride];
                    int mx = (scale * mv_col[0] + 128) >> 8;
                    int my = (scale * mv_col[1] + 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-mv_col[1]), 4);
                }else
                for(i4=0; i4<4; i4++){
                    const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*b4_stride];
                    int16_t *mv_l0 = h->mv_cache[0][scan8[i8*4+i4]];
                    mv_l0[0] = (scale * mv_col[0] + 128) >> 8;
                    mv_l0[1] = (scale * mv_col[1] + 128) >> 8;
                    *(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] =
                        pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]);
                }
            }
        }
    }
}
['void ff_h264_pred_direct_motion(H264Context * const h, int *mb_type){\n    MpegEncContext * const s = &h->s;\n    int b8_stride = h->b8_stride;\n    int b4_stride = h->b_stride;\n    int mb_xy = h->mb_xy;\n    int mb_type_col[2];\n    const int16_t (*l1mv0)[2], (*l1mv1)[2];\n    const int8_t *l1ref0, *l1ref1;\n    const int is_b8x8 = IS_8X8(*mb_type);\n    unsigned int sub_mb_type;\n    int i8, i4;\n    assert(h->ref_list[1][0].reference&3);\n#define MB_TYPE_16x16_OR_INTRA (MB_TYPE_16x16|MB_TYPE_INTRA4x4|MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM)\n    if(IS_INTERLACED(h->ref_list[1][0].mb_type[mb_xy])){\n        if(!IS_INTERLACED(*mb_type)){\n            int cur_poc = s->current_picture_ptr->poc;\n            int *col_poc = h->ref_list[1]->field_poc;\n            int col_parity = FFABS(col_poc[0] - cur_poc) >= FFABS(col_poc[1] - cur_poc);\n            mb_xy= s->mb_x + ((s->mb_y&~1) + col_parity)*s->mb_stride;\n            b8_stride = 0;\n        }else if(!(s->picture_structure & h->ref_list[1][0].reference) && !h->ref_list[1][0].mbaff){\n            int fieldoff= 2*(h->ref_list[1][0].reference)-3;\n            mb_xy += s->mb_stride*fieldoff;\n        }\n        goto single_col;\n    }else{\n        if(IS_INTERLACED(*mb_type)){\n            mb_xy= s->mb_x + (s->mb_y&~1)*s->mb_stride;\n            mb_type_col[0] = h->ref_list[1][0].mb_type[mb_xy];\n            mb_type_col[1] = h->ref_list[1][0].mb_type[mb_xy + s->mb_stride];\n            b8_stride *= 3;\n            b4_stride *= 6;\n            if(    (mb_type_col[0] & MB_TYPE_16x16_OR_INTRA)\n                && (mb_type_col[1] & MB_TYPE_16x16_OR_INTRA)\n                && !is_b8x8){\n                sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2;\n                *mb_type   |= MB_TYPE_16x8 |MB_TYPE_L0L1|MB_TYPE_DIRECT2;\n            }else{\n                sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2;\n                *mb_type   |= MB_TYPE_8x8|MB_TYPE_L0L1;\n            }\n        }else{\nsingle_col:\n            mb_type_col[0] =\n            mb_type_col[1] = h->ref_list[1][0].mb_type[mb_xy];\n            if(IS_8X8(mb_type_col[0]) && !h->sps.direct_8x8_inference_flag){\n                sub_mb_type = MB_TYPE_8x8|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2;\n                *mb_type   |= MB_TYPE_8x8|MB_TYPE_L0L1;\n            }else if(!is_b8x8 && (mb_type_col[0] & MB_TYPE_16x16_OR_INTRA)){\n                sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2;\n                *mb_type   |= MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2;\n            }else{\n                sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2;\n                *mb_type   |= MB_TYPE_8x8|MB_TYPE_L0L1;\n            }\n        }\n    }\n    l1mv0  = &h->ref_list[1][0].motion_val[0][h->mb2b_xy [mb_xy]];\n    l1mv1  = &h->ref_list[1][0].motion_val[1][h->mb2b_xy [mb_xy]];\n    l1ref0 = &h->ref_list[1][0].ref_index [0][h->mb2b8_xy[mb_xy]];\n    l1ref1 = &h->ref_list[1][0].ref_index [1][h->mb2b8_xy[mb_xy]];\n    if(!b8_stride){\n        if(s->mb_y&1){\n            l1ref0 += h->b8_stride;\n            l1ref1 += h->b8_stride;\n            l1mv0  +=  2*b4_stride;\n            l1mv1  +=  2*b4_stride;\n        }\n    }\n    if(h->direct_spatial_mv_pred){\n        int ref[2];\n        int mv[2][2];\n        int list;\n        for(list=0; list<2; list++){\n            int refa = h->ref_cache[list][scan8[0] - 1];\n            int refb = h->ref_cache[list][scan8[0] - 8];\n            int refc = h->ref_cache[list][scan8[0] - 8 + 4];\n            if(refc == PART_NOT_AVAILABLE)\n                refc = h->ref_cache[list][scan8[0] - 8 - 1];\n            ref[list] = FFMIN3((unsigned)refa, (unsigned)refb, (unsigned)refc);\n            if(ref[list] < 0)\n                ref[list] = -1;\n        }\n        if(ref[0] < 0 && ref[1] < 0){\n            ref[0] = ref[1] = 0;\n            mv[0][0] = mv[0][1] =\n            mv[1][0] = mv[1][1] = 0;\n        }else{\n            for(list=0; list<2; list++){\n                if(ref[list] >= 0)\n                    pred_motion(h, 0, 4, list, ref[list], &mv[list][0], &mv[list][1]);\n                else\n                    mv[list][0] = mv[list][1] = 0;\n            }\n        }\n        if(ref[1] < 0){\n            if(!is_b8x8)\n                *mb_type &= ~MB_TYPE_L1;\n            sub_mb_type &= ~MB_TYPE_L1;\n        }else if(ref[0] < 0){\n            if(!is_b8x8)\n                *mb_type &= ~MB_TYPE_L0;\n            sub_mb_type &= ~MB_TYPE_L0;\n        }\n        if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col[0])){\n            for(i8=0; i8<4; i8++){\n                int x8 = i8&1;\n                int y8 = i8>>1;\n                int xy8 = x8+y8*b8_stride;\n                int xy4 = 3*x8+y8*b4_stride;\n                int a=0, b=0;\n                if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))\n                    continue;\n                h->sub_mb_type[i8] = sub_mb_type;\n                fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1);\n                fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1);\n                if(!IS_INTRA(mb_type_col[y8]) && !h->ref_list[1][0].long_ref\n                   && (   (l1ref0[xy8] == 0 && FFABS(l1mv0[xy4][0]) <= 1 && FFABS(l1mv0[xy4][1]) <= 1)\n                       || (l1ref0[xy8]  < 0 && l1ref1[xy8] == 0 && FFABS(l1mv1[xy4][0]) <= 1 && FFABS(l1mv1[xy4][1]) <= 1))){\n                    if(ref[0] > 0)\n                        a= pack16to32(mv[0][0],mv[0][1]);\n                    if(ref[1] > 0)\n                        b= pack16to32(mv[1][0],mv[1][1]);\n                }else{\n                    a= pack16to32(mv[0][0],mv[0][1]);\n                    b= pack16to32(mv[1][0],mv[1][1]);\n                }\n                fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, a, 4);\n                fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, b, 4);\n            }\n        }else if(IS_16X16(*mb_type)){\n            int a=0, b=0;\n            fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1);\n            fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1);\n            if(!IS_INTRA(mb_type_col[0]) && !h->ref_list[1][0].long_ref\n               && (   (l1ref0[0] == 0 && FFABS(l1mv0[0][0]) <= 1 && FFABS(l1mv0[0][1]) <= 1)\n                   || (l1ref0[0]  < 0 && l1ref1[0] == 0 && FFABS(l1mv1[0][0]) <= 1 && FFABS(l1mv1[0][1]) <= 1\n                       && (h->x264_build>33 || !h->x264_build)))){\n                if(ref[0] > 0)\n                    a= pack16to32(mv[0][0],mv[0][1]);\n                if(ref[1] > 0)\n                    b= pack16to32(mv[1][0],mv[1][1]);\n            }else{\n                a= pack16to32(mv[0][0],mv[0][1]);\n                b= pack16to32(mv[1][0],mv[1][1]);\n            }\n            fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, a, 4);\n            fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, b, 4);\n        }else{\n            for(i8=0; i8<4; i8++){\n                const int x8 = i8&1;\n                const int y8 = i8>>1;\n                if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))\n                    continue;\n                h->sub_mb_type[i8] = sub_mb_type;\n                fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mv[0][0],mv[0][1]), 4);\n                fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mv[1][0],mv[1][1]), 4);\n                fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1);\n                fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1);\n                if(!IS_INTRA(mb_type_col[0]) && !h->ref_list[1][0].long_ref && (   l1ref0[x8 + y8*b8_stride] == 0\n                                              || (l1ref0[x8 + y8*b8_stride] < 0 && l1ref1[x8 + y8*b8_stride] == 0\n                                                  && (h->x264_build>33 || !h->x264_build)))){\n                    const int16_t (*l1mv)[2]= l1ref0[x8 + y8*b8_stride] == 0 ? l1mv0 : l1mv1;\n                    if(IS_SUB_8X8(sub_mb_type)){\n                        const int16_t *mv_col = l1mv[x8*3 + y8*3*b4_stride];\n                        if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){\n                            if(ref[0] == 0)\n                                fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);\n                            if(ref[1] == 0)\n                                fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);\n                        }\n                    }else\n                    for(i4=0; i4<4; i4++){\n                        const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*b4_stride];\n                        if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){\n                            if(ref[0] == 0)\n                                *(uint32_t*)h->mv_cache[0][scan8[i8*4+i4]] = 0;\n                            if(ref[1] == 0)\n                                *(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] = 0;\n                        }\n                    }\n                }\n            }\n        }\n    }else{\n        const int *map_col_to_list0[2] = {h->map_col_to_list0[0], h->map_col_to_list0[1]};\n        const int *dist_scale_factor = h->dist_scale_factor;\n        int ref_offset= 0;\n        if(FRAME_MBAFF && IS_INTERLACED(*mb_type)){\n            map_col_to_list0[0] = h->map_col_to_list0_field[s->mb_y&1][0];\n            map_col_to_list0[1] = h->map_col_to_list0_field[s->mb_y&1][1];\n            dist_scale_factor   =h->dist_scale_factor_field[s->mb_y&1];\n        }\n        if(h->ref_list[1][0].mbaff && IS_INTERLACED(mb_type_col[0]))\n            ref_offset += 16;\n        if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col[0])){\n            int y_shift  = 2*!IS_INTERLACED(*mb_type);\n            for(i8=0; i8<4; i8++){\n                const int x8 = i8&1;\n                const int y8 = i8>>1;\n                int ref0, scale;\n                const int16_t (*l1mv)[2]= l1mv0;\n                if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))\n                    continue;\n                h->sub_mb_type[i8] = sub_mb_type;\n                fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);\n                if(IS_INTRA(mb_type_col[y8])){\n                    fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);\n                    fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);\n                    fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);\n                    continue;\n                }\n                ref0 = l1ref0[x8 + y8*b8_stride];\n                if(ref0 >= 0)\n                    ref0 = map_col_to_list0[0][ref0 + ref_offset];\n                else{\n                    ref0 = map_col_to_list0[1][l1ref1[x8 + y8*b8_stride] + ref_offset];\n                    l1mv= l1mv1;\n                }\n                scale = dist_scale_factor[ref0];\n                fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);\n                {\n                    const int16_t *mv_col = l1mv[x8*3 + y8*b4_stride];\n                    int my_col = (mv_col[1]<<y_shift)/2;\n                    int mx = (scale * mv_col[0] + 128) >> 8;\n                    int my = (scale * my_col + 128) >> 8;\n                    fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4);\n                    fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-my_col), 4);\n                }\n            }\n            return;\n        }\n        if(IS_16X16(*mb_type)){\n            int ref, mv0, mv1;\n            fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, 0, 1);\n            if(IS_INTRA(mb_type_col[0])){\n                ref=mv0=mv1=0;\n            }else{\n                const int ref0 = l1ref0[0] >= 0 ? map_col_to_list0[0][l1ref0[0] + ref_offset]\n                                                : map_col_to_list0[1][l1ref1[0] + ref_offset];\n                const int scale = dist_scale_factor[ref0];\n                const int16_t *mv_col = l1ref0[0] >= 0 ? l1mv0[0] : l1mv1[0];\n                int mv_l0[2];\n                mv_l0[0] = (scale * mv_col[0] + 128) >> 8;\n                mv_l0[1] = (scale * mv_col[1] + 128) >> 8;\n                ref= ref0;\n                mv0= pack16to32(mv_l0[0],mv_l0[1]);\n                mv1= pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]);\n            }\n            fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref, 1);\n            fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, mv0, 4);\n            fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, mv1, 4);\n        }else{\n            for(i8=0; i8<4; i8++){\n                const int x8 = i8&1;\n                const int y8 = i8>>1;\n                int ref0, scale;\n                const int16_t (*l1mv)[2]= l1mv0;\n                if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))\n                    continue;\n                h->sub_mb_type[i8] = sub_mb_type;\n                fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);\n                if(IS_INTRA(mb_type_col[0])){\n                    fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);\n                    fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);\n                    fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);\n                    continue;\n                }\n                ref0 = l1ref0[x8 + y8*b8_stride] + ref_offset;\n                if(ref0 >= 0)\n                    ref0 = map_col_to_list0[0][ref0];\n                else{\n                    ref0 = map_col_to_list0[1][l1ref1[x8 + y8*b8_stride] + ref_offset];\n                    l1mv= l1mv1;\n                }\n                scale = dist_scale_factor[ref0];\n                fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);\n                if(IS_SUB_8X8(sub_mb_type)){\n                    const int16_t *mv_col = l1mv[x8*3 + y8*3*b4_stride];\n                    int mx = (scale * mv_col[0] + 128) >> 8;\n                    int my = (scale * mv_col[1] + 128) >> 8;\n                    fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4);\n                    fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-mv_col[1]), 4);\n                }else\n                for(i4=0; i4<4; i4++){\n                    const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*b4_stride];\n                    int16_t *mv_l0 = h->mv_cache[0][scan8[i8*4+i4]];\n                    mv_l0[0] = (scale * mv_col[0] + 128) >> 8;\n                    mv_l0[1] = (scale * mv_col[1] + 128) >> 8;\n                    *(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] =\n                        pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]);\n                }\n            }\n        }\n    }\n}']