From 358b5b1a5958fa12b841aefe09e5e81c7d8bd346 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 25 Feb 2010 23:44:42 +0000 Subject: [PATCH] Get rid of mb2b8_xy and b8_stride, change arrays organized based on b8_stride to ones based on mb_stride in h264. about 20 cpu cycles faster overall per MB Originally committed as revision 22065 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/error_resilience.c | 2 +- libavcodec/h264.c | 6 ----- libavcodec/h264.h | 44 ++++++++++++++++------------------- libavcodec/h264_direct.c | 36 ++++++++++++++-------------- libavcodec/h264_mvpred.h | 15 ++++++------ libavcodec/mpegvideo.c | 2 +- 6 files changed, 49 insertions(+), 56 deletions(-) diff --git a/libavcodec/error_resilience.c b/libavcodec/error_resilience.c index 8c6ac9d8a3..898d115461 100644 --- a/libavcodec/error_resilience.c +++ b/libavcodec/error_resilience.c @@ -692,7 +692,7 @@ void ff_er_frame_end(MpegEncContext *s){ av_log(s->avctx, AV_LOG_ERROR, "Warning MVs not available\n"); for(i=0; i<2; i++){ - pic->ref_index[i]= av_mallocz(size * sizeof(uint8_t)); + pic->ref_index[i]= av_mallocz(s->mb_stride * s->mb_height * 4 * sizeof(uint8_t)); pic->motion_val_base[i]= av_mallocz((size+4) * 2 * sizeof(uint16_t)); pic->motion_val[i]= pic->motion_val_base[i]+4; } diff --git a/libavcodec/h264.c b/libavcodec/h264.c index 2b6ecd55ab..5c1c840e79 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -661,7 +661,6 @@ static void free_tables(H264Context *h){ av_freep(&h->mb2b_xy); av_freep(&h->mb2br_xy); - av_freep(&h->mb2b8_xy); for(i = 0; i < MAX_THREADS; i++) { hx = h->thread_context[i]; @@ -764,16 +763,13 @@ int ff_h264_alloc_tables(H264Context *h){ FF_ALLOCZ_OR_GOTO(h->s.avctx, h->mb2b_xy , big_mb_num * sizeof(uint32_t), fail); FF_ALLOCZ_OR_GOTO(h->s.avctx, h->mb2br_xy , big_mb_num * sizeof(uint32_t), fail); - FF_ALLOCZ_OR_GOTO(h->s.avctx, h->mb2b8_xy , big_mb_num * sizeof(uint32_t), fail); for(y=0; ymb_height; y++){ for(x=0; xmb_width; x++){ const int mb_xy= x + y*s->mb_stride; const int b_xy = 4*x + 4*y*h->b_stride; - const int b8_xy= 2*x + 2*y*h->b8_stride; h->mb2b_xy [mb_xy]= b_xy; h->mb2br_xy[mb_xy]= 8*(FMO ? mb_xy : (mb_xy % (2*s->mb_stride))); - h->mb2b8_xy[mb_xy]= b8_xy; } } @@ -798,7 +794,6 @@ static void clone_tables(H264Context *dst, H264Context *src){ dst->cbp_table = src->cbp_table; dst->mb2b_xy = src->mb2b_xy; dst->mb2br_xy = src->mb2br_xy; - dst->mb2b8_xy = src->mb2b8_xy; dst->chroma_pred_mode_table = src->chroma_pred_mode_table; dst->mvd_table[0] = src->mvd_table[0]; dst->mvd_table[1] = src->mvd_table[1]; @@ -1768,7 +1763,6 @@ static int decode_slice_header(H264Context *h, H264Context *h0){ s->mb_height= h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag); h->b_stride= s->mb_width*4; - h->b8_stride= s->mb_width*2; s->width = 16*s->mb_width - 2*FFMIN(h->sps.crop_right, 7); if(h->sps.frame_mbs_only_flag) diff --git a/libavcodec/h264.h b/libavcodec/h264.h index 83db570ec4..b30ce1c03b 100644 --- a/libavcodec/h264.h +++ b/libavcodec/h264.h @@ -347,9 +347,7 @@ typedef struct H264Context{ uint32_t *mb2b_xy; //FIXME are these 4 a good idea? uint32_t *mb2br_xy; - uint32_t *mb2b8_xy; int b_stride; //FIXME use s->b4_stride - int b8_stride; int mb_linesize; ///< may be equal to s->linesize or s->linesize*2, for mbaff int mb_uvlinesize; @@ -990,12 +988,11 @@ static void fill_decode_caches(H264Context *h, int mb_type){ if(USES_LIST(top_type, list)){ const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride; - const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride; AV_COPY128(h->mv_cache[list][scan8[0] + 0 - 1*8], s->current_picture.motion_val[list][b_xy + 0]); h->ref_cache[list][scan8[0] + 0 - 1*8]= - h->ref_cache[list][scan8[0] + 1 - 1*8]= s->current_picture.ref_index[list][b8_xy + 0]; + h->ref_cache[list][scan8[0] + 1 - 1*8]= s->current_picture.ref_index[list][4*top_xy + 2]; h->ref_cache[list][scan8[0] + 2 - 1*8]= - h->ref_cache[list][scan8[0] + 3 - 1*8]= s->current_picture.ref_index[list][b8_xy + 1]; + h->ref_cache[list][scan8[0] + 3 - 1*8]= s->current_picture.ref_index[list][4*top_xy + 3]; }else{ AV_ZERO128(h->mv_cache[list][scan8[0] + 0 - 1*8]); AV_WN32A(&h->ref_cache[list][scan8[0] + 0 - 1*8], ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101); @@ -1005,11 +1002,11 @@ static void fill_decode_caches(H264Context *h, int mb_type){ int cache_idx = scan8[0] - 1 + i*2*8; if(USES_LIST(left_type[i], list)){ const int b_xy= h->mb2b_xy[left_xy[i]] + 3; - const int b8_xy= h->mb2b8_xy[left_xy[i]] + 1; + const int b8_xy= 4*left_xy[i] + 1; AV_COPY32(h->mv_cache[list][cache_idx ], s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0+i*2]]); AV_COPY32(h->mv_cache[list][cache_idx+8], s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[1+i*2]]); - h->ref_cache[list][cache_idx ]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0+i*2]>>1)]; - h->ref_cache[list][cache_idx+8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[1+i*2]>>1)]; + h->ref_cache[list][cache_idx ]= s->current_picture.ref_index[list][b8_xy + (left_block[0+i*2]&~1)]; + h->ref_cache[list][cache_idx+8]= s->current_picture.ref_index[list][b8_xy + (left_block[1+i*2]&~1)]; }else{ AV_ZERO32(h->mv_cache [list][cache_idx ]); AV_ZERO32(h->mv_cache [list][cache_idx+8]); @@ -1020,7 +1017,7 @@ 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 + (h->topleft_partition & 2*h->b_stride); - const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + (h->topleft_partition & h->b8_stride); + const int b8_xy= 4*topleft_xy + 1 + (h->topleft_partition & 2); AV_COPY32(h->mv_cache[list][scan8[0] - 1 - 1*8], 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{ @@ -1030,9 +1027,8 @@ static void fill_decode_caches(H264Context *h, int mb_type){ if(USES_LIST(topright_type, list)){ const int b_xy= h->mb2b_xy[topright_xy] + 3*h->b_stride; - const int b8_xy= h->mb2b8_xy[topright_xy] + h->b8_stride; AV_COPY32(h->mv_cache[list][scan8[0] + 4 - 1*8], s->current_picture.motion_val[list][b_xy]); - h->ref_cache[list][scan8[0] + 4 - 1*8]= s->current_picture.ref_index[list][b8_xy]; + h->ref_cache[list][scan8[0] + 4 - 1*8]= s->current_picture.ref_index[list][4*topright_xy + 2]; }else{ AV_ZERO32(h->mv_cache [list][scan8[0] + 4 - 1*8]); h->ref_cache[list][scan8[0] + 4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE; @@ -1241,12 +1237,12 @@ static int fill_filter_caches(H264Context *h, int mb_type){ continue; } - ref = &s->current_picture.ref_index[list][h->mb2b8_xy[mb_xy]]; + ref = &s->current_picture.ref_index[list][4*mb_xy]; { int (*ref2frm)[64] = h->ref2frm[ h->slice_num&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2); AV_WN32A(&h->ref_cache[list][scan8[ 0]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101); AV_WN32A(&h->ref_cache[list][scan8[ 2]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101); - ref += h->b8_stride; + ref += 2; AV_WN32A(&h->ref_cache[list][scan8[ 8]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101); AV_WN32A(&h->ref_cache[list][scan8[10]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101); } @@ -1319,7 +1315,7 @@ static int fill_filter_caches(H264Context *h, int mb_type){ for(list=0; listlist_count; list++){ if(USES_LIST(top_type, list)){ const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride; - const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride; + const int b8_xy= 4*top_xy + 2; int (*ref2frm)[64] = h->ref2frm[ h->slice_table[top_xy]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2); AV_COPY128(h->mv_cache[list][scan8[0] + 0 - 1*8], s->current_picture.motion_val[list][b_xy + 0]); h->ref_cache[list][scan8[0] + 0 - 1*8]= @@ -1334,16 +1330,16 @@ static int fill_filter_caches(H264Context *h, int mb_type){ if(!IS_INTERLACED(mb_type^left_type[0])){ if(USES_LIST(left_type[0], list)){ const int b_xy= h->mb2b_xy[left_xy[0]] + 3; - const int b8_xy= h->mb2b8_xy[left_xy[0]] + 1; + const int b8_xy= 4*left_xy[0] + 1; int (*ref2frm)[64] = h->ref2frm[ h->slice_table[left_xy[0]]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2); AV_COPY32(h->mv_cache[list][scan8[0] - 1 + 0 ], s->current_picture.motion_val[list][b_xy + h->b_stride*0]); AV_COPY32(h->mv_cache[list][scan8[0] - 1 + 8 ], s->current_picture.motion_val[list][b_xy + h->b_stride*1]); AV_COPY32(h->mv_cache[list][scan8[0] - 1 +16 ], s->current_picture.motion_val[list][b_xy + h->b_stride*2]); AV_COPY32(h->mv_cache[list][scan8[0] - 1 +24 ], s->current_picture.motion_val[list][b_xy + h->b_stride*3]); h->ref_cache[list][scan8[0] - 1 + 0 ]= - h->ref_cache[list][scan8[0] - 1 + 8 ]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + h->b8_stride*0]]; + h->ref_cache[list][scan8[0] - 1 + 8 ]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 2*0]]; h->ref_cache[list][scan8[0] - 1 +16 ]= - h->ref_cache[list][scan8[0] - 1 +24 ]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + h->b8_stride*1]]; + h->ref_cache[list][scan8[0] - 1 +24 ]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 2*1]]; }else{ AV_ZERO32(h->mv_cache [list][scan8[0] - 1 + 0 ]); AV_ZERO32(h->mv_cache [list][scan8[0] - 1 + 8 ]); @@ -1388,12 +1384,12 @@ static inline void write_back_non_zero_count(H264Context *h){ static inline void write_back_motion(H264Context *h, int mb_type){ MpegEncContext * const s = &h->s; - const int b_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride; - const int b8_xy= 2*s->mb_x + 2*s->mb_y*h->b8_stride; + const int b_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride; //try mb2b(8)_xy + const int b8_xy= 4*h->mb_xy; int list; if(!USES_LIST(mb_type, 0)) - fill_rectangle(&s->current_picture.ref_index[0][b8_xy], 2, 2, h->b8_stride, (uint8_t)LIST_NOT_USED, 1); + fill_rectangle(&s->current_picture.ref_index[0][b8_xy], 2, 2, 2, (uint8_t)LIST_NOT_USED, 1); for(list=0; listlist_count; list++){ int y, b_stride; @@ -1424,10 +1420,10 @@ static inline void write_back_motion(H264Context *h, int mb_type){ { int8_t *ref_index = &s->current_picture.ref_index[list][b8_xy]; - ref_index[0+0*h->b8_stride]= h->ref_cache[list][scan8[0]]; - ref_index[1+0*h->b8_stride]= h->ref_cache[list][scan8[4]]; - ref_index[0+1*h->b8_stride]= h->ref_cache[list][scan8[8]]; - ref_index[1+1*h->b8_stride]= h->ref_cache[list][scan8[12]]; + ref_index[0+0*2]= h->ref_cache[list][scan8[0]]; + ref_index[1+0*2]= h->ref_cache[list][scan8[4]]; + ref_index[0+1*2]= h->ref_cache[list][scan8[8]]; + ref_index[1+1*2]= h->ref_cache[list][scan8[12]]; } } diff --git a/libavcodec/h264_direct.c b/libavcodec/h264_direct.c index 8977be114f..4d716796cd 100644 --- a/libavcodec/h264_direct.c +++ b/libavcodec/h264_direct.c @@ -142,7 +142,7 @@ void ff_h264_direct_ref_list_init(H264Context * const h){ static void pred_spatial_direct_motion(H264Context * const h, int *mb_type){ MpegEncContext * const s = &h->s; - int b8_stride = h->b8_stride; + int b8_stride = 2; int b4_stride = h->b_stride; int mb_xy = h->mb_xy; int mb_type_col[2]; @@ -228,7 +228,7 @@ static void pred_spatial_direct_motion(H264Context * const h, int *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; + b8_stride = 2+4*s->mb_stride; b4_stride *= 6; sub_mb_type |= MB_TYPE_16x16|MB_TYPE_DIRECT2; /* B_SUB_8x8 */ @@ -262,12 +262,12 @@ single_col: 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]]; + l1ref0 = &h->ref_list[1][0].ref_index [0][4*mb_xy]; + l1ref1 = &h->ref_list[1][0].ref_index [1][4*mb_xy]; if(!b8_stride){ if(s->mb_y&1){ - l1ref0 += h->b8_stride; - l1ref1 += h->b8_stride; + l1ref0 += 2; + l1ref1 += 2; l1mv0 += 2*b4_stride; l1mv1 += 2*b4_stride; } @@ -342,11 +342,12 @@ single_col: 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); + assert(b8_stride==2); /* col_zero_flag */ - 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 + if(!IS_INTRA(mb_type_col[0]) && !h->ref_list[1][0].long_ref && ( l1ref0[i8] == 0 + || (l1ref0[i8] < 0 && l1ref1[i8] == 0 && h->x264_build>33U))){ - const int16_t (*l1mv)[2]= l1ref0[x8 + y8*b8_stride] == 0 ? l1mv0 : l1mv1; + const int16_t (*l1mv)[2]= l1ref0[i8] == 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){ @@ -381,7 +382,7 @@ single_col: static void pred_temp_direct_motion(H264Context * const h, int *mb_type){ MpegEncContext * const s = &h->s; - int b8_stride = h->b8_stride; + int b8_stride = 2; int b4_stride = h->b_stride; int mb_xy = h->mb_xy; int mb_type_col[2]; @@ -406,7 +407,7 @@ static void pred_temp_direct_motion(H264Context * const h, int *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; + b8_stride = 2+4*s->mb_stride; b4_stride *= 6; sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */ @@ -441,12 +442,12 @@ single_col: 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]]; + l1ref0 = &h->ref_list[1][0].ref_index [0][4*mb_xy]; + l1ref1 = &h->ref_list[1][0].ref_index [1][4*mb_xy]; if(!b8_stride){ if(s->mb_y&1){ - l1ref0 += h->b8_stride; - l1ref1 += h->b8_stride; + l1ref0 += 2; + l1ref1 += 2; l1mv0 += 2*b4_stride; l1mv1 += 2*b4_stride; } @@ -549,11 +550,12 @@ single_col: continue; } - ref0 = l1ref0[x8 + y8*b8_stride]; + assert(b8_stride == 2); + ref0 = l1ref0[i8]; 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]; + ref0 = map_col_to_list0[1][l1ref1[i8] + ref_offset]; l1mv= l1mv1; } scale = dist_scale_factor[ref0]; diff --git a/libavcodec/h264_mvpred.h b/libavcodec/h264_mvpred.h index 4a6780a75e..a9bfa5adf7 100644 --- a/libavcodec/h264_mvpred.h +++ b/libavcodec/h264_mvpred.h @@ -43,15 +43,15 @@ static inline int fetch_diagonal_mv(H264Context *h, const int16_t **C, int i, in * make mbaff happy, so we can't move all this logic to fill_caches */ if(FRAME_MBAFF){ -#define SET_DIAG_MV(MV_OP, REF_OP, X4, Y4)\ - const int x4 = X4, y4 = Y4;\ - const int mb_type = mb_types[(x4>>2)+(y4>>2)*s->mb_stride];\ +#define SET_DIAG_MV(MV_OP, REF_OP, XY, Y4)\ + const int xy = XY, y4 = Y4;\ + const int mb_type = mb_types[xy+(y4>>2)*s->mb_stride];\ if(!USES_LIST(mb_type,list))\ return LIST_NOT_USED;\ - mv = s->current_picture_ptr->motion_val[list][x4 + y4*h->b_stride];\ + mv = s->current_picture_ptr->motion_val[list][h->mb2b_xy[xy]+3 + y4*h->b_stride];\ h->mv_cache[list][scan8[0]-2][0] = mv[0];\ h->mv_cache[list][scan8[0]-2][1] = mv[1] MV_OP;\ - return s->current_picture_ptr->ref_index[list][(x4>>1) + (y4>>1)*h->b8_stride] REF_OP; + return s->current_picture_ptr->ref_index[list][4*xy+1 + (y4&~1)] REF_OP; if(topright_ref == PART_NOT_AVAILABLE && i >= scan8[0]+8 && (i&7)==4 @@ -63,12 +63,13 @@ static inline int fetch_diagonal_mv(H264Context *h, const int16_t **C, int i, in if(!MB_FIELD && IS_INTERLACED(mb_types[h->left_mb_xy[0]])){ - SET_DIAG_MV(*2, >>1, s->mb_x*4-1, (s->mb_y|1)*4+(s->mb_y&1)*2+(i>>4)-1); + SET_DIAG_MV(*2, >>1, h->left_mb_xy[0]+s->mb_stride, (s->mb_y&1)*2+(i>>4)-1); + assert(h->left_mb_xy[0] == h->left_mb_xy[1]); } if(MB_FIELD && !IS_INTERLACED(mb_types[h->left_mb_xy[0]])){ // left shift will turn LIST_NOT_USED into PART_NOT_AVAILABLE, but that's OK. - SET_DIAG_MV(/2, <<1, s->mb_x*4-1, (s->mb_y&~1)*4 - 1 + ((i-scan8[0])>>3)*2); + SET_DIAG_MV(/2, <<1, h->left_mb_xy[i>=36], (- 1 + ((i-scan8[0])>>3)*2)&3); } } #undef SET_DIAG_MV diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c index 0ad5718c69..be78679f8d 100644 --- a/libavcodec/mpegvideo.c +++ b/libavcodec/mpegvideo.c @@ -257,7 +257,7 @@ int ff_alloc_picture(MpegEncContext *s, Picture *pic, int shared){ for(i=0; i<2; i++){ FF_ALLOCZ_OR_GOTO(s->avctx, pic->motion_val_base[i], 2 * (b4_array_size+4) * sizeof(int16_t), fail) pic->motion_val[i]= pic->motion_val_base[i]+4; - FF_ALLOCZ_OR_GOTO(s->avctx, pic->ref_index[i], b8_array_size * sizeof(uint8_t), fail) + FF_ALLOCZ_OR_GOTO(s->avctx, pic->ref_index[i], 4*mb_array_size * sizeof(uint8_t), fail) } pic->motion_subsample_log2= 2; }else if(s->out_format == FMT_H263 || s->encoding || (s->avctx->debug&FF_DEBUG_MV) || (s->avctx->debug_mv)){