|| l1ref0[x8 + y8*h->b8_stride] < 0 && l1ref1[x8 + y8*h->b8_stride] == 0)){
|| l1ref0[x8 + y8*h->b8_stride] < 0 && l1ref1[x8 + y8*h->b8_stride] == 0 && (h->x264_build>33 || !h->x264_build))){
static inline void pred_direct_motion(H264Context * const h, int *mb_type){    MpegEncContext * const s = &h->s;    const int mb_xy =   s->mb_x +   s->mb_y*s->mb_stride;    const int b8_xy = 2*s->mb_x + 2*s->mb_y*h->b8_stride;    const int b4_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride;    const int mb_type_col = h->ref_list[1][0].mb_type[mb_xy];    const int16_t (*l1mv0)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[0][b4_xy];    const int16_t (*l1mv1)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[1][b4_xy];    const int8_t *l1ref0 = &h->ref_list[1][0].ref_index[0][b8_xy];    const int8_t *l1ref1 = &h->ref_list[1][0].ref_index[1][b8_xy];    const int is_b8x8 = IS_8X8(*mb_type);    int sub_mb_type;    int i8, i4;    if(IS_8X8(mb_type_col) && !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 && (IS_16X16(mb_type_col) || IS_INTRA(mb_type_col))){        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_b8x8)        *mb_type |= MB_TYPE_DIRECT2;    tprintf("mb_type = %08x, sub_mb_type = %08x, is_b8x8 = %d, mb_type_col = %08x\n", *mb_type, sub_mb_type, is_b8x8, mb_type_col);        if(h->direct_spatial_mv_pred){        int ref[2];        int mv[2][2];        int list;        /* ref = min(neighbors) */        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 == -2)                refc = h->ref_cache[list][scan8[0] - 8 - 1];            ref[list] = refa;            if(ref[list] < 0 || (refb < ref[list] && refb >= 0))                ref[list] = refb;            if(ref[list] < 0 || (refc < ref[list] && refc >= 0))                ref[list] = 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){            *mb_type &= ~MB_TYPE_P0L1;            sub_mb_type &= ~MB_TYPE_P0L1;        }else if(ref[0] < 0){            *mb_type &= ~MB_TYPE_P0L0;            sub_mb_type &= ~MB_TYPE_P0L0;        }        if(IS_16X16(*mb_type)){            fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref[0], 1);            fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, ref[1], 1);            if(!IS_INTRA(mb_type_col)                && (   l1ref0[0] == 0 && ABS(l1mv0[0][0]) <= 1 && ABS(l1mv0[0][1]) <= 1                   || l1ref0[0]  < 0 && l1ref1[0] == 0 && ABS(l1mv1[0][0]) <= 1 && ABS(l1mv1[0][1]) <= 1)){                if(ref[0] > 0)                    fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv[0][0],mv[0][1]), 4);                else                    fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, 0, 4);                if(ref[1] > 0)                    fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, pack16to32(mv[1][0],mv[1][1]), 4);                else                    fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, 0, 4);            }else{                fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv[0][0],mv[0][1]), 4);                fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, pack16to32(mv[1][0],mv[1][1]), 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, ref[0], 1);                fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, ref[1], 1);                    /* col_zero_flag */                if(!IS_INTRA(mb_type_col) && (   l1ref0[x8 + y8*h->b8_stride] == 0                                               || l1ref0[x8 + y8*h->b8_stride] < 0 && l1ref1[x8 + y8*h->b8_stride] == 0)){                    const int16_t (*l1mv)[2]= l1ref0[x8 + y8*h->b8_stride] == 0 ? l1mv0 : l1mv1;                    for(i4=0; i4<4; i4++){                        const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];                        if(ABS(mv_col[0]) <= 1 && ABS(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{ /* direct temporal mv pred */        if(IS_16X16(*mb_type)){            fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, 0, 1);            if(IS_INTRA(mb_type_col)){                fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1);                fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, 0, 4);                fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, 0, 4);            }else{                const int ref0 = l1ref0[0] >= 0 ? h->map_col_to_list0[0][l1ref0[0]]                                                : h->map_col_to_list0[1][l1ref1[0]];                const int dist_scale_factor = h->dist_scale_factor[ref0];                const int16_t *mv_col = l1ref0[0] >= 0 ? l1mv0[0] : l1mv1[0];                int mv_l0[2];                mv_l0[0] = (dist_scale_factor * mv_col[0] + 128) >> 8;                mv_l0[1] = (dist_scale_factor * mv_col[1] + 128) >> 8;                fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref0, 1);                fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv_l0[0],mv_l0[1]), 4);                fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]), 4);            }        }else{            for(i8=0; i8<4; i8++){                const int x8 = i8&1;                const int y8 = i8>>1;                int ref0, dist_scale_factor;                int16_t (*l1mv)[2]= l1mv0;                if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))                    continue;                h->sub_mb_type[i8] = sub_mb_type;                if(IS_INTRA(mb_type_col)){                    fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);                    fill_rectangle(&h->ref_cache[1][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*h->b8_stride];                if(ref0 >= 0)                    ref0 = h->map_col_to_list0[0][ref0];                else{                    ref0 = h->map_col_to_list0[1][l1ref1[x8 + y8*h->b8_stride]];                    l1mv= l1mv1;                }                dist_scale_factor = h->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);                for(i4=0; i4<4; i4++){                    const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];                    int16_t *mv_l0 = h->mv_cache[0][scan8[i8*4+i4]];                    mv_l0[0] = (dist_scale_factor * mv_col[0] + 128) >> 8;                    mv_l0[1] = (dist_scale_factor * 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]);                }            }        }    }}