/* * Motion estimation * Copyright (c) 2000,2001 Fabrice Bellard * Copyright (c) 2002-2004 Michael Niedermayer * * new motion estimation (X1/EPZS) by Michael Niedermayer <michaelni@gmx.at> * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file * Motion estimation. */ #include <stdlib.h> #include <stdio.h> #include <limits.h> #include "avcodec.h" #include "mathops.h" #include "mpegvideo.h" #undef NDEBUG #include <assert.h> #define P_LEFT P[1] #define P_TOP P[2] #define P_TOPRIGHT P[3] #define P_MEDIAN P[4] #define P_MV1 P[9] static int sad_hpel_motion_search(MpegEncContext * s, int *mx_ptr, int *my_ptr, int dmin, int src_index, int ref_index, int size, int h); static inline unsigned update_map_generation(MotionEstContext *c) { c->map_generation+= 1<<(ME_MAP_MV_BITS*2); if(c->map_generation==0){ c->map_generation= 1<<(ME_MAP_MV_BITS*2); memset(c->map, 0, sizeof(uint32_t)*ME_MAP_SIZE); } return c->map_generation; } /* shape adaptive search stuff */ typedef struct Minima{ int height; int x, y; int checked; }Minima; static int minima_cmp(const void *a, const void *b){ const Minima *da = (const Minima *) a; const Minima *db = (const Minima *) b; return da->height - db->height; } #define FLAG_QPEL 1 //must be 1 #define FLAG_CHROMA 2 #define FLAG_DIRECT 4 static inline void init_ref(MotionEstContext *c, uint8_t *src[3], uint8_t *ref[3], uint8_t *ref2[3], int x, int y, int ref_index){ const int offset[3]= { y*c-> stride + x, ((y*c->uvstride + x)>>1), ((y*c->uvstride + x)>>1), }; int i; for(i=0; i<3; i++){ c->src[0][i]= src [i] + offset[i]; c->ref[0][i]= ref [i] + offset[i]; } if(ref_index){ for(i=0; i<3; i++){ c->ref[ref_index][i]= ref2[i] + offset[i]; } } } static int get_flags(MotionEstContext *c, int direct, int chroma){ return ((c->avctx->flags&CODEC_FLAG_QPEL) ? FLAG_QPEL : 0) + (direct ? FLAG_DIRECT : 0) + (chroma ? FLAG_CHROMA : 0); } static av_always_inline int cmp_direct_inline(MpegEncContext *s, const int x, const int y, const int subx, const int suby, const int size, const int h, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, int qpel){ MotionEstContext * const c= &s->me; const int stride= c->stride; const int hx= subx + (x<<(1+qpel)); const int hy= suby + (y<<(1+qpel)); uint8_t * const * const ref= c->ref[ref_index]; uint8_t * const * const src= c->src[src_index]; int d; //FIXME check chroma 4mv, (no crashes ...) av_assert2(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)); if(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)){ const int time_pp= s->pp_time; const int time_pb= s->pb_time; const int mask= 2*qpel+1; if(s->mv_type==MV_TYPE_8X8){ int i; for(i=0; i<4; i++){ int fx = c->direct_basis_mv[i][0] + hx; int fy = c->direct_basis_mv[i][1] + hy; int bx = hx ? fx - c->co_located_mv[i][0] : c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(qpel+4)); int by = hy ? fy - c->co_located_mv[i][1] : c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(qpel+4)); int fxy= (fx&mask) + ((fy&mask)<<(qpel+1)); int bxy= (bx&mask) + ((by&mask)<<(qpel+1)); uint8_t *dst= c->temp + 8*(i&1) + 8*stride*(i>>1); if(qpel){ c->qpel_put[1][fxy](dst, ref[0] + (fx>>2) + (fy>>2)*stride, stride); c->qpel_avg[1][bxy](dst, ref[8] + (bx>>2) + (by>>2)*stride, stride); }else{ c->hpel_put[1][fxy](dst, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 8); c->hpel_avg[1][bxy](dst, ref[8] + (bx>>1) + (by>>1)*stride, stride, 8); } } }else{ int fx = c->direct_basis_mv[0][0] + hx; int fy = c->direct_basis_mv[0][1] + hy; int bx = hx ? fx - c->co_located_mv[0][0] : (c->co_located_mv[0][0]*(time_pb - time_pp)/time_pp); int by = hy ? fy - c->co_located_mv[0][1] : (c->co_located_mv[0][1]*(time_pb - time_pp)/time_pp); int fxy= (fx&mask) + ((fy&mask)<<(qpel+1)); int bxy= (bx&mask) + ((by&mask)<<(qpel+1)); if(qpel){ c->qpel_put[1][fxy](c->temp , ref[0] + (fx>>2) + (fy>>2)*stride , stride); c->qpel_put[1][fxy](c->temp + 8 , ref[0] + (fx>>2) + (fy>>2)*stride + 8 , stride); c->qpel_put[1][fxy](c->temp + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8*stride, stride); c->qpel_put[1][fxy](c->temp + 8 + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8 + 8*stride, stride); c->qpel_avg[1][bxy](c->temp , ref[8] + (bx>>2) + (by>>2)*stride , stride); c->qpel_avg[1][bxy](c->temp + 8 , ref[8] + (bx>>2) + (by>>2)*stride + 8 , stride); c->qpel_avg[1][bxy](c->temp + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8*stride, stride); c->qpel_avg[1][bxy](c->temp + 8 + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8 + 8*stride, stride); }else{ av_assert2((fx>>1) + 16*s->mb_x >= -16); av_assert2((fy>>1) + 16*s->mb_y >= -16); av_assert2((fx>>1) + 16*s->mb_x <= s->width); av_assert2((fy>>1) + 16*s->mb_y <= s->height); av_assert2((bx>>1) + 16*s->mb_x >= -16); av_assert2((by>>1) + 16*s->mb_y >= -16); av_assert2((bx>>1) + 16*s->mb_x <= s->width); av_assert2((by>>1) + 16*s->mb_y <= s->height); c->hpel_put[0][fxy](c->temp, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 16); c->hpel_avg[0][bxy](c->temp, ref[8] + (bx>>1) + (by>>1)*stride, stride, 16); } } d = cmp_func(s, c->temp, src[0], stride, 16); }else d= 256*256*256*32; return d; } static av_always_inline int cmp_inline(MpegEncContext *s, const int x, const int y, const int subx, const int suby, const int size, const int h, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, int qpel, int chroma){ MotionEstContext * const c= &s->me; const int stride= c->stride; const int uvstride= c->uvstride; const int dxy= subx + (suby<<(1+qpel)); //FIXME log2_subpel? const int hx= subx + (x<<(1+qpel)); const int hy= suby + (y<<(1+qpel)); uint8_t * const * const ref= c->ref[ref_index]; uint8_t * const * const src= c->src[src_index]; int d; //FIXME check chroma 4mv, (no crashes ...) int uvdxy; /* no, it might not be used uninitialized */ if(dxy){ if(qpel){ c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride); //FIXME prototype (add h) if(chroma){ int cx= hx/2; int cy= hy/2; cx= (cx>>1)|(cx&1); cy= (cy>>1)|(cy&1); uvdxy= (cx&1) + 2*(cy&1); //FIXME x/y wrong, but mpeg4 qpel is sick anyway, we should drop as much of it as possible in favor for h264 } }else{ c->hpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride, h); if(chroma) uvdxy= dxy | (x&1) | (2*(y&1)); } d = cmp_func(s, c->temp, src[0], stride, h); }else{ d = cmp_func(s, src[0], ref[0] + x + y*stride, stride, h); if(chroma) uvdxy= (x&1) + 2*(y&1); } if(chroma){ uint8_t * const uvtemp= c->temp + 16*stride; c->hpel_put[size+1][uvdxy](uvtemp , ref[1] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1); c->hpel_put[size+1][uvdxy](uvtemp+8, ref[2] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1); d += chroma_cmp_func(s, uvtemp , src[1], uvstride, h>>1); d += chroma_cmp_func(s, uvtemp+8, src[2], uvstride, h>>1); } return d; } static int cmp_simple(MpegEncContext *s, const int x, const int y, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func){ return cmp_inline(s,x,y,0,0,0,16,ref_index,src_index, cmp_func, chroma_cmp_func, 0, 0); } static int cmp_fpel_internal(MpegEncContext *s, const int x, const int y, const int size, const int h, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){ if(flags&FLAG_DIRECT){ return cmp_direct_inline(s,x,y,0,0,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags&FLAG_QPEL); }else{ return cmp_inline(s,x,y,0,0,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0, flags&FLAG_CHROMA); } } static int cmp_internal(MpegEncContext *s, const int x, const int y, const int subx, const int suby, const int size, const int h, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){ if(flags&FLAG_DIRECT){ return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags&FLAG_QPEL); }else{ return cmp_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags&FLAG_QPEL, flags&FLAG_CHROMA); } } /** @brief compares a block (either a full macroblock or a partition thereof) against a proposed motion-compensated prediction of that block */ static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby, const int size, const int h, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){ if(av_builtin_constant_p(flags) && av_builtin_constant_p(h) && av_builtin_constant_p(size) && av_builtin_constant_p(subx) && av_builtin_constant_p(suby) && flags==0 && h==16 && size==0 && subx==0 && suby==0){ return cmp_simple(s,x,y,ref_index,src_index, cmp_func, chroma_cmp_func); }else if(av_builtin_constant_p(subx) && av_builtin_constant_p(suby) && subx==0 && suby==0){ return cmp_fpel_internal(s,x,y,size,h,ref_index,src_index, cmp_func, chroma_cmp_func,flags); }else{ return cmp_internal(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags); } } static int cmp_hpel(MpegEncContext *s, const int x, const int y, const int subx, const int suby, const int size, const int h, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){ if(flags&FLAG_DIRECT){ return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0); }else{ return cmp_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0, flags&FLAG_CHROMA); } } static int cmp_qpel(MpegEncContext *s, const int x, const int y, const int subx, const int suby, const int size, const int h, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){ if(flags&FLAG_DIRECT){ return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 1); }else{ return cmp_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 1, flags&FLAG_CHROMA); } } #include "motion_est_template.c" static int zero_cmp(void *s, uint8_t *a, uint8_t *b, int stride, int h){ return 0; } static void zero_hpel(uint8_t *a, const uint8_t *b, ptrdiff_t stride, int h){ } int ff_init_me(MpegEncContext *s){ MotionEstContext * const c= &s->me; int cache_size= FFMIN(ME_MAP_SIZE>>ME_MAP_SHIFT, 1<<ME_MAP_SHIFT); int dia_size= FFMAX(FFABS(s->avctx->dia_size)&255, FFABS(s->avctx->pre_dia_size)&255); if(FFMIN(s->avctx->dia_size, s->avctx->pre_dia_size) < -FFMIN(ME_MAP_SIZE, MAX_SAB_SIZE)){ av_log(s->avctx, AV_LOG_ERROR, "ME_MAP size is too small for SAB diamond\n"); return -1; } //special case of snow is needed because snow uses its own iterative ME code if(s->me_method!=ME_ZERO && s->me_method!=ME_EPZS && s->me_method!=ME_X1 && s->avctx->codec_id != AV_CODEC_ID_SNOW){ av_log(s->avctx, AV_LOG_ERROR, "me_method is only allowed to be set to zero and epzs; for hex,umh,full and others see dia_size\n"); return -1; } c->avctx= s->avctx; if(cache_size < 2*dia_size && !c->stride){ av_log(s->avctx, AV_LOG_INFO, "ME_MAP size may be a little small for the selected diamond size\n"); } ff_set_cmp(&s->dsp, s->dsp.me_pre_cmp, c->avctx->me_pre_cmp); ff_set_cmp(&s->dsp, s->dsp.me_cmp, c->avctx->me_cmp); ff_set_cmp(&s->dsp, s->dsp.me_sub_cmp, c->avctx->me_sub_cmp); ff_set_cmp(&s->dsp, s->dsp.mb_cmp, c->avctx->mb_cmp); c->flags = get_flags(c, 0, c->avctx->me_cmp &FF_CMP_CHROMA); c->sub_flags= get_flags(c, 0, c->avctx->me_sub_cmp&FF_CMP_CHROMA); c->mb_flags = get_flags(c, 0, c->avctx->mb_cmp &FF_CMP_CHROMA); /*FIXME s->no_rounding b_type*/ if(s->flags&CODEC_FLAG_QPEL){ c->sub_motion_search= qpel_motion_search; c->qpel_avg= s->dsp.avg_qpel_pixels_tab; if(s->no_rounding) c->qpel_put= s->dsp.put_no_rnd_qpel_pixels_tab; else c->qpel_put= s->dsp.put_qpel_pixels_tab; }else{ if(c->avctx->me_sub_cmp&FF_CMP_CHROMA) c->sub_motion_search= hpel_motion_search; else if( c->avctx->me_sub_cmp == FF_CMP_SAD && c->avctx-> me_cmp == FF_CMP_SAD && c->avctx-> mb_cmp == FF_CMP_SAD) c->sub_motion_search= sad_hpel_motion_search; // 2050 vs. 2450 cycles else c->sub_motion_search= hpel_motion_search; } c->hpel_avg = s->hdsp.avg_pixels_tab; if (s->no_rounding) c->hpel_put = s->hdsp.put_no_rnd_pixels_tab; else c->hpel_put = s->hdsp.put_pixels_tab; if(s->linesize){ c->stride = s->linesize; c->uvstride= s->uvlinesize; }else{ c->stride = 16*s->mb_width + 32; c->uvstride= 8*s->mb_width + 16; } /* 8x8 fullpel search would need a 4x4 chroma compare, which we do * not have yet, and even if we had, the motion estimation code * does not expect it. */ if(s->codec_id != AV_CODEC_ID_SNOW){ if((c->avctx->me_cmp&FF_CMP_CHROMA)/* && !s->dsp.me_cmp[2]*/){ s->dsp.me_cmp[2]= zero_cmp; } if((c->avctx->me_sub_cmp&FF_CMP_CHROMA) && !s->dsp.me_sub_cmp[2]){ s->dsp.me_sub_cmp[2]= zero_cmp; } c->hpel_put[2][0]= c->hpel_put[2][1]= c->hpel_put[2][2]= c->hpel_put[2][3]= zero_hpel; } if(s->codec_id == AV_CODEC_ID_H261){ c->sub_motion_search= no_sub_motion_search; } return 0; } #define CHECK_SAD_HALF_MV(suffix, x, y) \ {\ d= s->dsp.pix_abs[size][(x?1:0)+(y?2:0)](NULL, pix, ptr+((x)>>1), stride, h);\ d += (mv_penalty[pen_x + x] + mv_penalty[pen_y + y])*penalty_factor;\ COPY3_IF_LT(dminh, d, dx, x, dy, y)\ } static int sad_hpel_motion_search(MpegEncContext * s, int *mx_ptr, int *my_ptr, int dmin, int src_index, int ref_index, int size, int h) { MotionEstContext * const c= &s->me; const int penalty_factor= c->sub_penalty_factor; int mx, my, dminh; uint8_t *pix, *ptr; int stride= c->stride; const int flags= c->sub_flags; LOAD_COMMON av_assert2(flags == 0); if(c->skip){ *mx_ptr = 0; *my_ptr = 0; return dmin; } pix = c->src[src_index][0]; mx = *mx_ptr; my = *my_ptr; ptr = c->ref[ref_index][0] + (my * stride) + mx; dminh = dmin; if (mx > xmin && mx < xmax && my > ymin && my < ymax) { int dx=0, dy=0; int d, pen_x, pen_y; const int index= (my<<ME_MAP_SHIFT) + mx; const int t= score_map[(index-(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)]; const int l= score_map[(index- 1 )&(ME_MAP_SIZE-1)]; const int r= score_map[(index+ 1 )&(ME_MAP_SIZE-1)]; const int b= score_map[(index+(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)]; mx<<=1; my<<=1; pen_x= pred_x + mx; pen_y= pred_y + my; ptr-= stride; if(t<=b){ CHECK_SAD_HALF_MV(y2 , 0, -1) if(l<=r){ CHECK_SAD_HALF_MV(xy2, -1, -1) if(t+r<=b+l){ CHECK_SAD_HALF_MV(xy2, +1, -1) ptr+= stride; }else{ ptr+= stride; CHECK_SAD_HALF_MV(xy2, -1, +1) } CHECK_SAD_HALF_MV(x2 , -1, 0) }else{ CHECK_SAD_HALF_MV(xy2, +1, -1) if(t+l<=b+r){ CHECK_SAD_HALF_MV(xy2, -1, -1) ptr+= stride; }else{ ptr+= stride; CHECK_SAD_HALF_MV(xy2, +1, +1) } CHECK_SAD_HALF_MV(x2 , +1, 0) } }else{ if(l<=r){ if(t+l<=b+r){ CHECK_SAD_HALF_MV(xy2, -1, -1) ptr+= stride; }else{ ptr+= stride; CHECK_SAD_HALF_MV(xy2, +1, +1) } CHECK_SAD_HALF_MV(x2 , -1, 0) CHECK_SAD_HALF_MV(xy2, -1, +1) }else{ if(t+r<=b+l){ CHECK_SAD_HALF_MV(xy2, +1, -1) ptr+= stride; }else{ ptr+= stride; CHECK_SAD_HALF_MV(xy2, -1, +1) } CHECK_SAD_HALF_MV(x2 , +1, 0) CHECK_SAD_HALF_MV(xy2, +1, +1) } CHECK_SAD_HALF_MV(y2 , 0, +1) } mx+=dx; my+=dy; }else{ mx<<=1; my<<=1; } *mx_ptr = mx; *my_ptr = my; return dminh; } static inline void set_p_mv_tables(MpegEncContext * s, int mx, int my, int mv4) { const int xy= s->mb_x + s->mb_y*s->mb_stride; s->p_mv_table[xy][0] = mx; s->p_mv_table[xy][1] = my; /* has already been set to the 4 MV if 4MV is done */ if(mv4){ int mot_xy= s->block_index[0]; s->current_picture.motion_val[0][mot_xy ][0] = mx; s->current_picture.motion_val[0][mot_xy ][1] = my; s->current_picture.motion_val[0][mot_xy + 1][0] = mx; s->current_picture.motion_val[0][mot_xy + 1][1] = my; mot_xy += s->b8_stride; s->current_picture.motion_val[0][mot_xy ][0] = mx; s->current_picture.motion_val[0][mot_xy ][1] = my; s->current_picture.motion_val[0][mot_xy + 1][0] = mx; s->current_picture.motion_val[0][mot_xy + 1][1] = my; } } /** * get fullpel ME search limits. */ static inline void get_limits(MpegEncContext *s, int x, int y) { MotionEstContext * const c= &s->me; int range= c->avctx->me_range >> (1 + !!(c->flags&FLAG_QPEL)); int max_range = MAX_MV >> (1 + !!(c->flags&FLAG_QPEL)); /* if(c->avctx->me_range) c->range= c->avctx->me_range >> 1; else c->range= 16; */ if (s->unrestricted_mv) { c->xmin = - x - 16; c->ymin = - y - 16; c->xmax = - x + s->width; c->ymax = - y + s->height; } else if (s->out_format == FMT_H261){ // Search range of H261 is different from other codec standards c->xmin = (x > 15) ? - 15 : 0; c->ymin = (y > 15) ? - 15 : 0; c->xmax = (x < s->mb_width * 16 - 16) ? 15 : 0; c->ymax = (y < s->mb_height * 16 - 16) ? 15 : 0; } else { c->xmin = - x; c->ymin = - y; c->xmax = - x + s->mb_width *16 - 16; c->ymax = - y + s->mb_height*16 - 16; } if(!range || range > max_range) range = max_range; if(range){ c->xmin = FFMAX(c->xmin,-range); c->xmax = FFMIN(c->xmax, range); c->ymin = FFMAX(c->ymin,-range); c->ymax = FFMIN(c->ymax, range); } } static inline void init_mv4_ref(MotionEstContext *c){ const int stride= c->stride; c->ref[1][0] = c->ref[0][0] + 8; c->ref[2][0] = c->ref[0][0] + 8*stride; c->ref[3][0] = c->ref[2][0] + 8; c->src[1][0] = c->src[0][0] + 8; c->src[2][0] = c->src[0][0] + 8*stride; c->src[3][0] = c->src[2][0] + 8; } static inline int h263_mv4_search(MpegEncContext *s, int mx, int my, int shift) { MotionEstContext * const c= &s->me; const int size= 1; const int h=8; int block; int P[10][2]; int dmin_sum=0, mx4_sum=0, my4_sum=0, i; int same=1; const int stride= c->stride; uint8_t *mv_penalty= c->current_mv_penalty; int saftey_cliping= s->unrestricted_mv && (s->width&15) && (s->height&15); init_mv4_ref(c); for(block=0; block<4; block++){ int mx4, my4; int pred_x4, pred_y4; int dmin4; static const int off[4]= {2, 1, 1, -1}; const int mot_stride = s->b8_stride; const int mot_xy = s->block_index[block]; if(saftey_cliping){ c->xmax = - 16*s->mb_x + s->width - 8*(block &1); c->ymax = - 16*s->mb_y + s->height - 8*(block>>1); } P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0]; P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1]; if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift); /* special case for first line */ if (s->first_slice_line && block<2) { c->pred_x= pred_x4= P_LEFT[0]; c->pred_y= pred_y4= P_LEFT[1]; } else { P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0]; P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1]; P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][0]; P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][1]; if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift); if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift); if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift); if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift); P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]); P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]); c->pred_x= pred_x4 = P_MEDIAN[0]; c->pred_y= pred_y4 = P_MEDIAN[1]; } P_MV1[0]= mx; P_MV1[1]= my; if(saftey_cliping) for(i=0; i<10; i++){ if(P[i][0] > (c->xmax<<shift)) P[i][0]= (c->xmax<<shift); if(P[i][1] > (c->ymax<<shift)) P[i][1]= (c->ymax<<shift); } dmin4 = epzs_motion_search4(s, &mx4, &my4, P, block, block, s->p_mv_table, (1<<16)>>shift); dmin4= c->sub_motion_search(s, &mx4, &my4, dmin4, block, block, size, h); if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){ int dxy; const int offset= ((block&1) + (block>>1)*stride)*8; uint8_t *dest_y = c->scratchpad + offset; if(s->quarter_sample){ uint8_t *ref= c->ref[block][0] + (mx4>>2) + (my4>>2)*stride; dxy = ((my4 & 3) << 2) | (mx4 & 3); if(s->no_rounding) s->dsp.put_no_rnd_qpel_pixels_tab[1][dxy](dest_y , ref , stride); else s->dsp.put_qpel_pixels_tab [1][dxy](dest_y , ref , stride); }else{ uint8_t *ref= c->ref[block][0] + (mx4>>1) + (my4>>1)*stride; dxy = ((my4 & 1) << 1) | (mx4 & 1); if(s->no_rounding) s->hdsp.put_no_rnd_pixels_tab[1][dxy](dest_y , ref , stride, h); else s->hdsp.put_pixels_tab [1][dxy](dest_y , ref , stride, h); } dmin_sum+= (mv_penalty[mx4-pred_x4] + mv_penalty[my4-pred_y4])*c->mb_penalty_factor; }else dmin_sum+= dmin4; if(s->quarter_sample){ mx4_sum+= mx4/2; my4_sum+= my4/2; }else{ mx4_sum+= mx4; my4_sum+= my4; } s->current_picture.motion_val[0][s->block_index[block]][0] = mx4; s->current_picture.motion_val[0][s->block_index[block]][1] = my4; if(mx4 != mx || my4 != my) same=0; } if(same) return INT_MAX; if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){ dmin_sum += s->dsp.mb_cmp[0](s, s->new_picture.f.data[0] + s->mb_x*16 + s->mb_y*16*stride, c->scratchpad, stride, 16); } if(c->avctx->mb_cmp&FF_CMP_CHROMA){ int dxy; int mx, my; int offset; mx= ff_h263_round_chroma(mx4_sum); my= ff_h263_round_chroma(my4_sum); dxy = ((my & 1) << 1) | (mx & 1); offset= (s->mb_x*8 + (mx>>1)) + (s->mb_y*8 + (my>>1))*s->uvlinesize; if(s->no_rounding){ s->hdsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad , s->last_picture.f.data[1] + offset, s->uvlinesize, 8); s->hdsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad + 8, s->last_picture.f.data[2] + offset, s->uvlinesize, 8); }else{ s->hdsp.put_pixels_tab [1][dxy](c->scratchpad , s->last_picture.f.data[1] + offset, s->uvlinesize, 8); s->hdsp.put_pixels_tab [1][dxy](c->scratchpad + 8, s->last_picture.f.data[2] + offset, s->uvlinesize, 8); } dmin_sum += s->dsp.mb_cmp[1](s, s->new_picture.f.data[1] + s->mb_x*8 + s->mb_y*8*s->uvlinesize, c->scratchpad , s->uvlinesize, 8); dmin_sum += s->dsp.mb_cmp[1](s, s->new_picture.f.data[2] + s->mb_x*8 + s->mb_y*8*s->uvlinesize, c->scratchpad+8, s->uvlinesize, 8); } c->pred_x= mx; c->pred_y= my; switch(c->avctx->mb_cmp&0xFF){ /*case FF_CMP_SSE: return dmin_sum+ 32*s->qscale*s->qscale;*/ case FF_CMP_RD: return dmin_sum; default: return dmin_sum+ 11*c->mb_penalty_factor; } } static inline void init_interlaced_ref(MpegEncContext *s, int ref_index){ MotionEstContext * const c= &s->me; c->ref[1+ref_index][0] = c->ref[0+ref_index][0] + s->linesize; c->src[1][0] = c->src[0][0] + s->linesize; if(c->flags & FLAG_CHROMA){ c->ref[1+ref_index][1] = c->ref[0+ref_index][1] + s->uvlinesize; c->ref[1+ref_index][2] = c->ref[0+ref_index][2] + s->uvlinesize; c->src[1][1] = c->src[0][1] + s->uvlinesize; c->src[1][2] = c->src[0][2] + s->uvlinesize; } } static int interlaced_search(MpegEncContext *s, int ref_index, int16_t (*mv_tables[2][2])[2], uint8_t *field_select_tables[2], int mx, int my, int user_field_select) { MotionEstContext * const c= &s->me; const int size=0; const int h=8; int block; int P[10][2]; uint8_t * const mv_penalty= c->current_mv_penalty; int same=1; const int stride= 2*s->linesize; int dmin_sum= 0; const int mot_stride= s->mb_stride; const int xy= s->mb_x + s->mb_y*mot_stride; c->ymin>>=1; c->ymax>>=1; c->stride<<=1; c->uvstride<<=1; init_interlaced_ref(s, ref_index); for(block=0; block<2; block++){ int field_select; int best_dmin= INT_MAX; int best_field= -1; for(field_select=0; field_select<2; field_select++){ int dmin, mx_i, my_i; int16_t (*mv_table)[2]= mv_tables[block][field_select]; if(user_field_select){ av_assert1(field_select==0 || field_select==1); av_assert1(field_select_tables[block][xy]==0 || field_select_tables[block][xy]==1); if(field_select_tables[block][xy] != field_select) continue; } P_LEFT[0] = mv_table[xy - 1][0]; P_LEFT[1] = mv_table[xy - 1][1]; if(P_LEFT[0] > (c->xmax<<1)) P_LEFT[0] = (c->xmax<<1); c->pred_x= P_LEFT[0]; c->pred_y= P_LEFT[1]; if(!s->first_slice_line){ P_TOP[0] = mv_table[xy - mot_stride][0]; P_TOP[1] = mv_table[xy - mot_stride][1]; P_TOPRIGHT[0] = mv_table[xy - mot_stride + 1][0]; P_TOPRIGHT[1] = mv_table[xy - mot_stride + 1][1]; if(P_TOP[1] > (c->ymax<<1)) P_TOP[1] = (c->ymax<<1); if(P_TOPRIGHT[0] < (c->xmin<<1)) P_TOPRIGHT[0]= (c->xmin<<1); if(P_TOPRIGHT[0] > (c->xmax<<1)) P_TOPRIGHT[0]= (c->xmax<<1); if(P_TOPRIGHT[1] > (c->ymax<<1)) P_TOPRIGHT[1]= (c->ymax<<1); P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]); P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]); } P_MV1[0]= mx; //FIXME not correct if block != field_select P_MV1[1]= my / 2; dmin = epzs_motion_search2(s, &mx_i, &my_i, P, block, field_select+ref_index, mv_table, (1<<16)>>1); dmin= c->sub_motion_search(s, &mx_i, &my_i, dmin, block, field_select+ref_index, size, h); mv_table[xy][0]= mx_i; mv_table[xy][1]= my_i; if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){ int dxy; //FIXME chroma ME uint8_t *ref= c->ref[field_select+ref_index][0] + (mx_i>>1) + (my_i>>1)*stride; dxy = ((my_i & 1) << 1) | (mx_i & 1); if(s->no_rounding){ s->hdsp.put_no_rnd_pixels_tab[size][dxy](c->scratchpad, ref , stride, h); }else{ s->hdsp.put_pixels_tab [size][dxy](c->scratchpad, ref , stride, h); } dmin= s->dsp.mb_cmp[size](s, c->src[block][0], c->scratchpad, stride, h); dmin+= (mv_penalty[mx_i-c->pred_x] + mv_penalty[my_i-c->pred_y] + 1)*c->mb_penalty_factor; }else dmin+= c->mb_penalty_factor; //field_select bits dmin += field_select != block; //slightly prefer same field if(dmin < best_dmin){ best_dmin= dmin; best_field= field_select; } } { int16_t (*mv_table)[2]= mv_tables[block][best_field]; if(mv_table[xy][0] != mx) same=0; //FIXME check if these checks work and are any good at all if(mv_table[xy][1]&1) same=0; if(mv_table[xy][1]*2 != my) same=0; if(best_field != block) same=0; } field_select_tables[block][xy]= best_field; dmin_sum += best_dmin; } c->ymin<<=1; c->ymax<<=1; c->stride>>=1; c->uvstride>>=1; if(same) return INT_MAX; switch(c->avctx->mb_cmp&0xFF){ /*case FF_CMP_SSE: return dmin_sum+ 32*s->qscale*s->qscale;*/ case FF_CMP_RD: return dmin_sum; default: return dmin_sum+ 11*c->mb_penalty_factor; } } static inline int get_penalty_factor(int lambda, int lambda2, int type){ switch(type&0xFF){ default: case FF_CMP_SAD: return lambda>>FF_LAMBDA_SHIFT; case FF_CMP_DCT: return (3*lambda)>>(FF_LAMBDA_SHIFT+1); case FF_CMP_W53: return (4*lambda)>>(FF_LAMBDA_SHIFT); case FF_CMP_W97: return (2*lambda)>>(FF_LAMBDA_SHIFT); case FF_CMP_SATD: case FF_CMP_DCT264: return (2*lambda)>>FF_LAMBDA_SHIFT; case FF_CMP_RD: case FF_CMP_PSNR: case FF_CMP_SSE: case FF_CMP_NSSE: return lambda2>>FF_LAMBDA_SHIFT; case FF_CMP_BIT: return 1; } } void ff_estimate_p_frame_motion(MpegEncContext * s, int mb_x, int mb_y) { MotionEstContext * const c= &s->me; uint8_t *pix, *ppix; int sum, mx, my, dmin; int varc; ///< the variance of the block (sum of squared (p[y][x]-average)) int vard; ///< sum of squared differences with the estimated motion vector int P[10][2]; const int shift= 1+s->quarter_sample; int mb_type=0; Picture * const pic= &s->current_picture; init_ref(c, s->new_picture.f.data, s->last_picture.f.data, NULL, 16*mb_x, 16*mb_y, 0); av_assert0(s->quarter_sample==0 || s->quarter_sample==1); av_assert0(s->linesize == c->stride); av_assert0(s->uvlinesize == c->uvstride); c->penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp); c->sub_penalty_factor= get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_sub_cmp); c->mb_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->mb_cmp); c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV; get_limits(s, 16*mb_x, 16*mb_y); c->skip=0; /* intra / predictive decision */ pix = c->src[0][0]; sum = s->dsp.pix_sum(pix, s->linesize); varc = s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)sum*sum)>>8) + 500; pic->mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8; pic->mb_var [s->mb_stride * mb_y + mb_x] = (varc+128)>>8; c->mb_var_sum_temp += (varc+128)>>8; switch(s->me_method) { case ME_ZERO: default: mx = 0; my = 0; dmin = 0; break; case ME_X1: case ME_EPZS: { const int mot_stride = s->b8_stride; const int mot_xy = s->block_index[0]; P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0]; P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1]; if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift); if(!s->first_slice_line) { P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0]; P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1]; P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][0]; P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][1]; if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift); if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift); if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift); P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]); P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]); if(s->out_format == FMT_H263){ c->pred_x = P_MEDIAN[0]; c->pred_y = P_MEDIAN[1]; }else { /* mpeg1 at least */ c->pred_x= P_LEFT[0]; c->pred_y= P_LEFT[1]; } }else{ c->pred_x= P_LEFT[0]; c->pred_y= P_LEFT[1]; } } dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift, 0, 16); break; } /* At this point (mx,my) are full-pell and the relative displacement */ ppix = c->ref[0][0] + (my * s->linesize) + mx; vard = s->dsp.sse[0](NULL, pix, ppix, s->linesize, 16); pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = (vard+128)>>8; c->mc_mb_var_sum_temp += (vard+128)>>8; if(mb_type){ int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100); int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20; c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score); if(mb_type == CANDIDATE_MB_TYPE_INTER){ c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16); set_p_mv_tables(s, mx, my, 1); }else{ mx <<=shift; my <<=shift; } if(mb_type == CANDIDATE_MB_TYPE_INTER4V){ h263_mv4_search(s, mx, my, shift); set_p_mv_tables(s, mx, my, 0); } if(mb_type == CANDIDATE_MB_TYPE_INTER_I){ interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 1); } }else if(c->avctx->mb_decision > FF_MB_DECISION_SIMPLE){ int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100); int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20; c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score); if (vard*2 + 200*256 > varc) mb_type|= CANDIDATE_MB_TYPE_INTRA; if (varc*2 + 200*256 > vard || s->qscale > 24){ // if (varc*2 + 200*256 + 50*(s->lambda2>>FF_LAMBDA_SHIFT) > vard){ mb_type|= CANDIDATE_MB_TYPE_INTER; c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16); if(s->flags&CODEC_FLAG_MV0) if(mx || my) mb_type |= CANDIDATE_MB_TYPE_SKIPPED; //FIXME check difference }else{ mx <<=shift; my <<=shift; } if((s->flags&CODEC_FLAG_4MV) && !c->skip && varc>50<<8 && vard>10<<8){ if(h263_mv4_search(s, mx, my, shift) < INT_MAX) mb_type|=CANDIDATE_MB_TYPE_INTER4V; set_p_mv_tables(s, mx, my, 0); }else set_p_mv_tables(s, mx, my, 1); if((s->flags&CODEC_FLAG_INTERLACED_ME) && !c->skip){ //FIXME varc/d checks if(interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0) < INT_MAX) mb_type |= CANDIDATE_MB_TYPE_INTER_I; } }else{ int intra_score, i; mb_type= CANDIDATE_MB_TYPE_INTER; dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16); if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip) dmin= get_mb_score(s, mx, my, 0, 0, 0, 16, 1); if((s->flags&CODEC_FLAG_4MV) && !c->skip && varc>50<<8 && vard>10<<8){ int dmin4= h263_mv4_search(s, mx, my, shift); if(dmin4 < dmin){ mb_type= CANDIDATE_MB_TYPE_INTER4V; dmin=dmin4; } } if((s->flags&CODEC_FLAG_INTERLACED_ME) && !c->skip){ //FIXME varc/d checks int dmin_i= interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0); if(dmin_i < dmin){ mb_type = CANDIDATE_MB_TYPE_INTER_I; dmin= dmin_i; } } set_p_mv_tables(s, mx, my, mb_type!=CANDIDATE_MB_TYPE_INTER4V); /* get intra luma score */ if((c->avctx->mb_cmp&0xFF)==FF_CMP_SSE){ intra_score= varc - 500; }else{ unsigned mean = (sum+128)>>8; mean*= 0x01010101; for(i=0; i<16; i++){ *(uint32_t*)(&c->scratchpad[i*s->linesize+ 0]) = mean; *(uint32_t*)(&c->scratchpad[i*s->linesize+ 4]) = mean; *(uint32_t*)(&c->scratchpad[i*s->linesize+ 8]) = mean; *(uint32_t*)(&c->scratchpad[i*s->linesize+12]) = mean; } intra_score= s->dsp.mb_cmp[0](s, c->scratchpad, pix, s->linesize, 16); } intra_score += c->mb_penalty_factor*16; if(intra_score < dmin){ mb_type= CANDIDATE_MB_TYPE_INTRA; s->current_picture.mb_type[mb_y*s->mb_stride + mb_x] = CANDIDATE_MB_TYPE_INTRA; //FIXME cleanup }else s->current_picture.mb_type[mb_y*s->mb_stride + mb_x] = 0; { int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100); int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20; c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score); } } s->mb_type[mb_y*s->mb_stride + mb_x]= mb_type; } int ff_pre_estimate_p_frame_motion(MpegEncContext * s, int mb_x, int mb_y) { MotionEstContext * const c= &s->me; int mx, my, dmin; int P[10][2]; const int shift= 1+s->quarter_sample; const int xy= mb_x + mb_y*s->mb_stride; init_ref(c, s->new_picture.f.data, s->last_picture.f.data, NULL, 16*mb_x, 16*mb_y, 0); av_assert0(s->quarter_sample==0 || s->quarter_sample==1); c->pre_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_pre_cmp); c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV; get_limits(s, 16*mb_x, 16*mb_y); c->skip=0; P_LEFT[0] = s->p_mv_table[xy + 1][0]; P_LEFT[1] = s->p_mv_table[xy + 1][1]; if(P_LEFT[0] < (c->xmin<<shift)) P_LEFT[0] = (c->xmin<<shift); /* special case for first line */ if (s->first_slice_line) { c->pred_x= P_LEFT[0]; c->pred_y= P_LEFT[1]; P_TOP[0]= P_TOPRIGHT[0]= P_MEDIAN[0]= P_TOP[1]= P_TOPRIGHT[1]= P_MEDIAN[1]= 0; //FIXME } else { P_TOP[0] = s->p_mv_table[xy + s->mb_stride ][0]; P_TOP[1] = s->p_mv_table[xy + s->mb_stride ][1]; P_TOPRIGHT[0] = s->p_mv_table[xy + s->mb_stride - 1][0]; P_TOPRIGHT[1] = s->p_mv_table[xy + s->mb_stride - 1][1]; if(P_TOP[1] < (c->ymin<<shift)) P_TOP[1] = (c->ymin<<shift); if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift); if(P_TOPRIGHT[1] < (c->ymin<<shift)) P_TOPRIGHT[1]= (c->ymin<<shift); P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]); P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]); c->pred_x = P_MEDIAN[0]; c->pred_y = P_MEDIAN[1]; } dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift, 0, 16); s->p_mv_table[xy][0] = mx<<shift; s->p_mv_table[xy][1] = my<<shift; return dmin; } static int estimate_motion_b(MpegEncContext *s, int mb_x, int mb_y, int16_t (*mv_table)[2], int ref_index, int f_code) { MotionEstContext * const c= &s->me; int mx, my, dmin; int P[10][2]; const int shift= 1+s->quarter_sample; const int mot_stride = s->mb_stride; const int mot_xy = mb_y*mot_stride + mb_x; uint8_t * const mv_penalty= c->mv_penalty[f_code] + MAX_MV; int mv_scale; c->penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp); c->sub_penalty_factor= get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_sub_cmp); c->mb_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->mb_cmp); c->current_mv_penalty= mv_penalty; get_limits(s, 16*mb_x, 16*mb_y); switch(s->me_method) { case ME_ZERO: default: mx = 0; my = 0; dmin = 0; break; case ME_X1: case ME_EPZS: P_LEFT[0] = mv_table[mot_xy - 1][0]; P_LEFT[1] = mv_table[mot_xy - 1][1]; if (P_LEFT[0] > (c->xmax << shift)) P_LEFT[0] = (c->xmax << shift); /* special case for first line */ if (!s->first_slice_line) { P_TOP[0] = mv_table[mot_xy - mot_stride ][0]; P_TOP[1] = mv_table[mot_xy - mot_stride ][1]; P_TOPRIGHT[0] = mv_table[mot_xy - mot_stride + 1][0]; P_TOPRIGHT[1] = mv_table[mot_xy - mot_stride + 1][1]; if (P_TOP[1] > (c->ymax << shift)) P_TOP[1] = (c->ymax << shift); if (P_TOPRIGHT[0] < (c->xmin << shift)) P_TOPRIGHT[0] = (c->xmin << shift); if (P_TOPRIGHT[1] > (c->ymax << shift)) P_TOPRIGHT[1] = (c->ymax << shift); P_MEDIAN[0] = mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]); P_MEDIAN[1] = mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]); } c->pred_x = P_LEFT[0]; c->pred_y = P_LEFT[1]; if(mv_table == s->b_forw_mv_table){ mv_scale= (s->pb_time<<16) / (s->pp_time<<shift); }else{ mv_scale= ((s->pb_time - s->pp_time)<<16) / (s->pp_time<<shift); } dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, ref_index, s->p_mv_table, mv_scale, 0, 16); break; } dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, ref_index, 0, 16); if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip) dmin= get_mb_score(s, mx, my, 0, ref_index, 0, 16, 1); // s->mb_type[mb_y*s->mb_width + mb_x]= mb_type; mv_table[mot_xy][0]= mx; mv_table[mot_xy][1]= my; return dmin; } static inline int check_bidir_mv(MpegEncContext * s, int motion_fx, int motion_fy, int motion_bx, int motion_by, int pred_fx, int pred_fy, int pred_bx, int pred_by, int size, int h) { //FIXME optimize? //FIXME better f_code prediction (max mv & distance) //FIXME pointers MotionEstContext * const c= &s->me; uint8_t * const mv_penalty_f= c->mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame uint8_t * const mv_penalty_b= c->mv_penalty[s->b_code] + MAX_MV; // f_code of the prev frame int stride= c->stride; uint8_t *dest_y = c->scratchpad; uint8_t *ptr; int dxy; int src_x, src_y; int fbmin; uint8_t **src_data= c->src[0]; uint8_t **ref_data= c->ref[0]; uint8_t **ref2_data= c->ref[2]; if(s->quarter_sample){ dxy = ((motion_fy & 3) << 2) | (motion_fx & 3); src_x = motion_fx >> 2; src_y = motion_fy >> 2; ptr = ref_data[0] + (src_y * stride) + src_x; s->dsp.put_qpel_pixels_tab[0][dxy](dest_y , ptr , stride); dxy = ((motion_by & 3) << 2) | (motion_bx & 3); src_x = motion_bx >> 2; src_y = motion_by >> 2; ptr = ref2_data[0] + (src_y * stride) + src_x; s->dsp.avg_qpel_pixels_tab[size][dxy](dest_y , ptr , stride); }else{ dxy = ((motion_fy & 1) << 1) | (motion_fx & 1); src_x = motion_fx >> 1; src_y = motion_fy >> 1; ptr = ref_data[0] + (src_y * stride) + src_x; s->hdsp.put_pixels_tab[size][dxy](dest_y , ptr , stride, h); dxy = ((motion_by & 1) << 1) | (motion_bx & 1); src_x = motion_bx >> 1; src_y = motion_by >> 1; ptr = ref2_data[0] + (src_y * stride) + src_x; s->hdsp.avg_pixels_tab[size][dxy](dest_y , ptr , stride, h); } fbmin = (mv_penalty_f[motion_fx-pred_fx] + mv_penalty_f[motion_fy-pred_fy])*c->mb_penalty_factor +(mv_penalty_b[motion_bx-pred_bx] + mv_penalty_b[motion_by-pred_by])*c->mb_penalty_factor + s->dsp.mb_cmp[size](s, src_data[0], dest_y, stride, h); //FIXME new_pic if(c->avctx->mb_cmp&FF_CMP_CHROMA){ } //FIXME CHROMA !!! return fbmin; } /* refine the bidir vectors in hq mode and return the score in both lq & hq mode*/ static inline int bidir_refine(MpegEncContext * s, int mb_x, int mb_y) { MotionEstContext * const c= &s->me; const int mot_stride = s->mb_stride; const int xy = mb_y *mot_stride + mb_x; int fbmin; int pred_fx= s->b_bidir_forw_mv_table[xy-1][0]; int pred_fy= s->b_bidir_forw_mv_table[xy-1][1]; int pred_bx= s->b_bidir_back_mv_table[xy-1][0]; int pred_by= s->b_bidir_back_mv_table[xy-1][1]; int motion_fx= s->b_bidir_forw_mv_table[xy][0]= s->b_forw_mv_table[xy][0]; int motion_fy= s->b_bidir_forw_mv_table[xy][1]= s->b_forw_mv_table[xy][1]; int motion_bx= s->b_bidir_back_mv_table[xy][0]= s->b_back_mv_table[xy][0]; int motion_by= s->b_bidir_back_mv_table[xy][1]= s->b_back_mv_table[xy][1]; const int flags= c->sub_flags; const int qpel= flags&FLAG_QPEL; const int shift= 1+qpel; const int xmin= c->xmin<<shift; const int ymin= c->ymin<<shift; const int xmax= c->xmax<<shift; const int ymax= c->ymax<<shift; #define HASH(fx,fy,bx,by) ((fx)+17*(fy)+63*(bx)+117*(by)) #define HASH8(fx,fy,bx,by) ((uint8_t)HASH(fx,fy,bx,by)) int hashidx= HASH(motion_fx,motion_fy, motion_bx, motion_by); uint8_t map[256] = { 0 }; map[hashidx&255] = 1; fbmin= check_bidir_mv(s, motion_fx, motion_fy, motion_bx, motion_by, pred_fx, pred_fy, pred_bx, pred_by, 0, 16); if(s->avctx->bidir_refine){ int end; static const uint8_t limittab[5]={0,8,32,64,80}; const int limit= limittab[s->avctx->bidir_refine]; static const int8_t vect[][4]={ { 0, 0, 0, 1}, { 0, 0, 0,-1}, { 0, 0, 1, 0}, { 0, 0,-1, 0}, { 0, 1, 0, 0}, { 0,-1, 0, 0}, { 1, 0, 0, 0}, {-1, 0, 0, 0}, { 0, 0, 1, 1}, { 0, 0,-1,-1}, { 0, 1, 1, 0}, { 0,-1,-1, 0}, { 1, 1, 0, 0}, {-1,-1, 0, 0}, { 1, 0, 0, 1}, {-1, 0, 0,-1}, { 0, 1, 0, 1}, { 0,-1, 0,-1}, { 1, 0, 1, 0}, {-1, 0,-1, 0}, { 0, 0,-1, 1}, { 0, 0, 1,-1}, { 0,-1, 1, 0}, { 0, 1,-1, 0}, {-1, 1, 0, 0}, { 1,-1, 0, 0}, { 1, 0, 0,-1}, {-1, 0, 0, 1}, { 0,-1, 0, 1}, { 0, 1, 0,-1}, {-1, 0, 1, 0}, { 1, 0,-1, 0}, { 0, 1, 1, 1}, { 0,-1,-1,-1}, { 1, 1, 1, 0}, {-1,-1,-1, 0}, { 1, 1, 0, 1}, {-1,-1, 0,-1}, { 1, 0, 1, 1}, {-1, 0,-1,-1}, { 0,-1, 1, 1}, { 0, 1,-1,-1}, {-1, 1, 1, 0}, { 1,-1,-1, 0}, { 1, 1, 0,-1}, {-1,-1, 0, 1}, { 1, 0,-1, 1}, {-1, 0, 1,-1}, { 0, 1,-1, 1}, { 0,-1, 1,-1}, { 1,-1, 1, 0}, {-1, 1,-1, 0}, {-1, 1, 0, 1}, { 1,-1, 0,-1}, { 1, 0, 1,-1}, {-1, 0,-1, 1}, { 0, 1, 1,-1}, { 0,-1,-1, 1}, { 1, 1,-1, 0}, {-1,-1, 1, 0}, { 1,-1, 0, 1}, {-1, 1, 0,-1}, {-1, 0, 1, 1}, { 1, 0,-1,-1}, { 1, 1, 1, 1}, {-1,-1,-1,-1}, { 1, 1, 1,-1}, {-1,-1,-1, 1}, { 1, 1,-1, 1}, {-1,-1, 1,-1}, { 1,-1, 1, 1}, {-1, 1,-1,-1}, {-1, 1, 1, 1}, { 1,-1,-1,-1}, { 1, 1,-1,-1}, {-1,-1, 1, 1}, { 1,-1,-1, 1}, {-1, 1, 1,-1}, { 1,-1, 1,-1}, {-1, 1,-1, 1}, }; static const uint8_t hash[]={ HASH8( 0, 0, 0, 1), HASH8( 0, 0, 0,-1), HASH8( 0, 0, 1, 0), HASH8( 0, 0,-1, 0), HASH8( 0, 1, 0, 0), HASH8( 0,-1, 0, 0), HASH8( 1, 0, 0, 0), HASH8(-1, 0, 0, 0), HASH8( 0, 0, 1, 1), HASH8( 0, 0,-1,-1), HASH8( 0, 1, 1, 0), HASH8( 0,-1,-1, 0), HASH8( 1, 1, 0, 0), HASH8(-1,-1, 0, 0), HASH8( 1, 0, 0, 1), HASH8(-1, 0, 0,-1), HASH8( 0, 1, 0, 1), HASH8( 0,-1, 0,-1), HASH8( 1, 0, 1, 0), HASH8(-1, 0,-1, 0), HASH8( 0, 0,-1, 1), HASH8( 0, 0, 1,-1), HASH8( 0,-1, 1, 0), HASH8( 0, 1,-1, 0), HASH8(-1, 1, 0, 0), HASH8( 1,-1, 0, 0), HASH8( 1, 0, 0,-1), HASH8(-1, 0, 0, 1), HASH8( 0,-1, 0, 1), HASH8( 0, 1, 0,-1), HASH8(-1, 0, 1, 0), HASH8( 1, 0,-1, 0), HASH8( 0, 1, 1, 1), HASH8( 0,-1,-1,-1), HASH8( 1, 1, 1, 0), HASH8(-1,-1,-1, 0), HASH8( 1, 1, 0, 1), HASH8(-1,-1, 0,-1), HASH8( 1, 0, 1, 1), HASH8(-1, 0,-1,-1), HASH8( 0,-1, 1, 1), HASH8( 0, 1,-1,-1), HASH8(-1, 1, 1, 0), HASH8( 1,-1,-1, 0), HASH8( 1, 1, 0,-1), HASH8(-1,-1, 0, 1), HASH8( 1, 0,-1, 1), HASH8(-1, 0, 1,-1), HASH8( 0, 1,-1, 1), HASH8( 0,-1, 1,-1), HASH8( 1,-1, 1, 0), HASH8(-1, 1,-1, 0), HASH8(-1, 1, 0, 1), HASH8( 1,-1, 0,-1), HASH8( 1, 0, 1,-1), HASH8(-1, 0,-1, 1), HASH8( 0, 1, 1,-1), HASH8( 0,-1,-1, 1), HASH8( 1, 1,-1, 0), HASH8(-1,-1, 1, 0), HASH8( 1,-1, 0, 1), HASH8(-1, 1, 0,-1), HASH8(-1, 0, 1, 1), HASH8( 1, 0,-1,-1), HASH8( 1, 1, 1, 1), HASH8(-1,-1,-1,-1), HASH8( 1, 1, 1,-1), HASH8(-1,-1,-1, 1), HASH8( 1, 1,-1, 1), HASH8(-1,-1, 1,-1), HASH8( 1,-1, 1, 1), HASH8(-1, 1,-1,-1), HASH8(-1, 1, 1, 1), HASH8( 1,-1,-1,-1), HASH8( 1, 1,-1,-1), HASH8(-1,-1, 1, 1), HASH8( 1,-1,-1, 1), HASH8(-1, 1, 1,-1), HASH8( 1,-1, 1,-1), HASH8(-1, 1,-1, 1), }; #define CHECK_BIDIR(fx,fy,bx,by)\ if( !map[(hashidx+HASH(fx,fy,bx,by))&255]\ &&(fx<=0 || motion_fx+fx<=xmax) && (fy<=0 || motion_fy+fy<=ymax) && (bx<=0 || motion_bx+bx<=xmax) && (by<=0 || motion_by+by<=ymax)\ &&(fx>=0 || motion_fx+fx>=xmin) && (fy>=0 || motion_fy+fy>=ymin) && (bx>=0 || motion_bx+bx>=xmin) && (by>=0 || motion_by+by>=ymin)){\ int score;\ map[(hashidx+HASH(fx,fy,bx,by))&255] = 1;\ score= check_bidir_mv(s, motion_fx+fx, motion_fy+fy, motion_bx+bx, motion_by+by, pred_fx, pred_fy, pred_bx, pred_by, 0, 16);\ if(score < fbmin){\ hashidx += HASH(fx,fy,bx,by);\ fbmin= score;\ motion_fx+=fx;\ motion_fy+=fy;\ motion_bx+=bx;\ motion_by+=by;\ end=0;\ }\ } #define CHECK_BIDIR2(a,b,c,d)\ CHECK_BIDIR(a,b,c,d)\ CHECK_BIDIR(-(a),-(b),-(c),-(d)) do{ int i; int borderdist=0; end=1; CHECK_BIDIR2(0,0,0,1) CHECK_BIDIR2(0,0,1,0) CHECK_BIDIR2(0,1,0,0) CHECK_BIDIR2(1,0,0,0) for(i=8; i<limit; i++){ int fx= motion_fx+vect[i][0]; int fy= motion_fy+vect[i][1]; int bx= motion_bx+vect[i][2]; int by= motion_by+vect[i][3]; if(borderdist<=0){ int a= (xmax - FFMAX(fx,bx))|(FFMIN(fx,bx) - xmin); int b= (ymax - FFMAX(fy,by))|(FFMIN(fy,by) - ymin); if((a|b) < 0) map[(hashidx+hash[i])&255] = 1; } if(!map[(hashidx+hash[i])&255]){ int score; map[(hashidx+hash[i])&255] = 1; score= check_bidir_mv(s, fx, fy, bx, by, pred_fx, pred_fy, pred_bx, pred_by, 0, 16); if(score < fbmin){ hashidx += hash[i]; fbmin= score; motion_fx=fx; motion_fy=fy; motion_bx=bx; motion_by=by; end=0; borderdist--; if(borderdist<=0){ int a= FFMIN(xmax - FFMAX(fx,bx), FFMIN(fx,bx) - xmin); int b= FFMIN(ymax - FFMAX(fy,by), FFMIN(fy,by) - ymin); borderdist= FFMIN(a,b); } } } } }while(!end); } s->b_bidir_forw_mv_table[xy][0]= motion_fx; s->b_bidir_forw_mv_table[xy][1]= motion_fy; s->b_bidir_back_mv_table[xy][0]= motion_bx; s->b_bidir_back_mv_table[xy][1]= motion_by; return fbmin; } static inline int direct_search(MpegEncContext * s, int mb_x, int mb_y) { MotionEstContext * const c= &s->me; int P[10][2]; const int mot_stride = s->mb_stride; const int mot_xy = mb_y*mot_stride + mb_x; const int shift= 1+s->quarter_sample; int dmin, i; const int time_pp= s->pp_time; const int time_pb= s->pb_time; int mx, my, xmin, xmax, ymin, ymax; int16_t (*mv_table)[2]= s->b_direct_mv_table; c->current_mv_penalty= c->mv_penalty[1] + MAX_MV; ymin= xmin=(-32)>>shift; ymax= xmax= 31>>shift; if (IS_8X8(s->next_picture.mb_type[mot_xy])) { s->mv_type= MV_TYPE_8X8; }else{ s->mv_type= MV_TYPE_16X16; } for(i=0; i<4; i++){ int index= s->block_index[i]; int min, max; c->co_located_mv[i][0] = s->next_picture.motion_val[0][index][0]; c->co_located_mv[i][1] = s->next_picture.motion_val[0][index][1]; c->direct_basis_mv[i][0]= c->co_located_mv[i][0]*time_pb/time_pp + ((i& 1)<<(shift+3)); c->direct_basis_mv[i][1]= c->co_located_mv[i][1]*time_pb/time_pp + ((i>>1)<<(shift+3)); // c->direct_basis_mv[1][i][0]= c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(shift+3); // c->direct_basis_mv[1][i][1]= c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(shift+3); max= FFMAX(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->co_located_mv[i][0])>>shift; min= FFMIN(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->co_located_mv[i][0])>>shift; max+= 16*mb_x + 1; // +-1 is for the simpler rounding min+= 16*mb_x - 1; xmax= FFMIN(xmax, s->width - max); xmin= FFMAX(xmin, - 16 - min); max= FFMAX(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->co_located_mv[i][1])>>shift; min= FFMIN(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->co_located_mv[i][1])>>shift; max+= 16*mb_y + 1; // +-1 is for the simpler rounding min+= 16*mb_y - 1; ymax= FFMIN(ymax, s->height - max); ymin= FFMAX(ymin, - 16 - min); if(s->mv_type == MV_TYPE_16X16) break; } av_assert2(xmax <= 15 && ymax <= 15 && xmin >= -16 && ymin >= -16); if(xmax < 0 || xmin >0 || ymax < 0 || ymin > 0){ s->b_direct_mv_table[mot_xy][0]= 0; s->b_direct_mv_table[mot_xy][1]= 0; return 256*256*256*64; } c->xmin= xmin; c->ymin= ymin; c->xmax= xmax; c->ymax= ymax; c->flags |= FLAG_DIRECT; c->sub_flags |= FLAG_DIRECT; c->pred_x=0; c->pred_y=0; P_LEFT[0] = av_clip(mv_table[mot_xy - 1][0], xmin<<shift, xmax<<shift); P_LEFT[1] = av_clip(mv_table[mot_xy - 1][1], ymin<<shift, ymax<<shift); /* special case for first line */ if (!s->first_slice_line) { //FIXME maybe allow this over thread boundary as it is clipped P_TOP[0] = av_clip(mv_table[mot_xy - mot_stride ][0], xmin<<shift, xmax<<shift); P_TOP[1] = av_clip(mv_table[mot_xy - mot_stride ][1], ymin<<shift, ymax<<shift); P_TOPRIGHT[0] = av_clip(mv_table[mot_xy - mot_stride + 1 ][0], xmin<<shift, xmax<<shift); P_TOPRIGHT[1] = av_clip(mv_table[mot_xy - mot_stride + 1 ][1], ymin<<shift, ymax<<shift); P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]); P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]); } dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, mv_table, 1<<(16-shift), 0, 16); if(c->sub_flags&FLAG_QPEL) dmin = qpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16); else dmin = hpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16); if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip) dmin= get_mb_score(s, mx, my, 0, 0, 0, 16, 1); get_limits(s, 16*mb_x, 16*mb_y); //restore c->?min/max, maybe not needed mv_table[mot_xy][0]= mx; mv_table[mot_xy][1]= my; c->flags &= ~FLAG_DIRECT; c->sub_flags &= ~FLAG_DIRECT; return dmin; } void ff_estimate_b_frame_motion(MpegEncContext * s, int mb_x, int mb_y) { MotionEstContext * const c= &s->me; const int penalty_factor= c->mb_penalty_factor; int fmin, bmin, dmin, fbmin, bimin, fimin; int type=0; const int xy = mb_y*s->mb_stride + mb_x; init_ref(c, s->new_picture.f.data, s->last_picture.f.data, s->next_picture.f.data, 16 * mb_x, 16 * mb_y, 2); get_limits(s, 16*mb_x, 16*mb_y); c->skip=0; if (s->codec_id == AV_CODEC_ID_MPEG4 && s->next_picture.mbskip_table[xy]) { int score= direct_search(s, mb_x, mb_y); //FIXME just check 0,0 score= ((unsigned)(score*score + 128*256))>>16; c->mc_mb_var_sum_temp += score; s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE s->mb_type[mb_y*s->mb_stride + mb_x]= CANDIDATE_MB_TYPE_DIRECT0; return; } if (s->codec_id == AV_CODEC_ID_MPEG4) dmin= direct_search(s, mb_x, mb_y); else dmin= INT_MAX; //FIXME penalty stuff for non mpeg4 c->skip=0; fmin = estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code) + 3 * penalty_factor; c->skip=0; bmin = estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code) + 2 * penalty_factor; av_dlog(s, " %d %d ", s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1]); c->skip=0; fbmin= bidir_refine(s, mb_x, mb_y) + penalty_factor; av_dlog(s, "%d %d %d %d\n", dmin, fmin, bmin, fbmin); if(s->flags & CODEC_FLAG_INTERLACED_ME){ //FIXME mb type penalty c->skip=0; c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV; fimin= interlaced_search(s, 0, s->b_field_mv_table[0], s->b_field_select_table[0], s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 0); c->current_mv_penalty= c->mv_penalty[s->b_code] + MAX_MV; bimin= interlaced_search(s, 2, s->b_field_mv_table[1], s->b_field_select_table[1], s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 0); }else fimin= bimin= INT_MAX; { int score= fmin; type = CANDIDATE_MB_TYPE_FORWARD; if (dmin <= score){ score = dmin; type = CANDIDATE_MB_TYPE_DIRECT; } if(bmin<score){ score=bmin; type= CANDIDATE_MB_TYPE_BACKWARD; } if(fbmin<score){ score=fbmin; type= CANDIDATE_MB_TYPE_BIDIR; } if(fimin<score){ score=fimin; type= CANDIDATE_MB_TYPE_FORWARD_I; } if(bimin<score){ score=bimin; type= CANDIDATE_MB_TYPE_BACKWARD_I; } score= ((unsigned)(score*score + 128*256))>>16; c->mc_mb_var_sum_temp += score; s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE } if(c->avctx->mb_decision > FF_MB_DECISION_SIMPLE){ type= CANDIDATE_MB_TYPE_FORWARD | CANDIDATE_MB_TYPE_BACKWARD | CANDIDATE_MB_TYPE_BIDIR | CANDIDATE_MB_TYPE_DIRECT; if(fimin < INT_MAX) type |= CANDIDATE_MB_TYPE_FORWARD_I; if(bimin < INT_MAX) type |= CANDIDATE_MB_TYPE_BACKWARD_I; if(fimin < INT_MAX && bimin < INT_MAX){ type |= CANDIDATE_MB_TYPE_BIDIR_I; } //FIXME something smarter if(dmin>256*256*16) type&= ~CANDIDATE_MB_TYPE_DIRECT; //do not try direct mode if it is invalid for this MB if(s->codec_id == AV_CODEC_ID_MPEG4 && type&CANDIDATE_MB_TYPE_DIRECT && s->flags&CODEC_FLAG_MV0 && *(uint32_t*)s->b_direct_mv_table[xy]) type |= CANDIDATE_MB_TYPE_DIRECT0; } s->mb_type[mb_y*s->mb_stride + mb_x]= type; } /* find best f_code for ME which do unlimited searches */ int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type) { if(s->me_method>=ME_EPZS){ int score[8]; int i, y, range= s->avctx->me_range ? s->avctx->me_range : (INT_MAX/2); uint8_t * fcode_tab= s->fcode_tab; int best_fcode=-1; int best_score=-10000000; if(s->msmpeg4_version) range= FFMIN(range, 16); else if(s->codec_id == AV_CODEC_ID_MPEG2VIDEO && s->avctx->strict_std_compliance >= FF_COMPLIANCE_NORMAL) range= FFMIN(range, 256); for(i=0; i<8; i++) score[i]= s->mb_num*(8-i); for(y=0; y<s->mb_height; y++){ int x; int xy= y*s->mb_stride; for(x=0; x<s->mb_width; x++){ if(s->mb_type[xy] & type){ int mx= mv_table[xy][0]; int my= mv_table[xy][1]; int fcode= FFMAX(fcode_tab[mx + MAX_MV], fcode_tab[my + MAX_MV]); int j; if(mx >= range || mx < -range || my >= range || my < -range) continue; for(j=0; j<fcode && j<8; j++){ if(s->pict_type==AV_PICTURE_TYPE_B || s->current_picture.mc_mb_var[xy] < s->current_picture.mb_var[xy]) score[j]-= 170; } } xy++; } } for(i=1; i<8; i++){ if(score[i] > best_score){ best_score= score[i]; best_fcode= i; } } return best_fcode; }else{ return 1; } } void ff_fix_long_p_mvs(MpegEncContext * s) { MotionEstContext * const c= &s->me; const int f_code= s->f_code; int y, range; av_assert0(s->pict_type==AV_PICTURE_TYPE_P); range = (((s->out_format == FMT_MPEG1 || s->msmpeg4_version) ? 8 : 16) << f_code); av_assert0(range <= 16 || !s->msmpeg4_version); av_assert0(range <=256 || !(s->codec_id == AV_CODEC_ID_MPEG2VIDEO && s->avctx->strict_std_compliance >= FF_COMPLIANCE_NORMAL)); if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range; if(s->flags&CODEC_FLAG_4MV){ const int wrap= s->b8_stride; /* clip / convert to intra 8x8 type MVs */ for(y=0; y<s->mb_height; y++){ int xy= y*2*wrap; int i= y*s->mb_stride; int x; for(x=0; x<s->mb_width; x++){ if(s->mb_type[i]&CANDIDATE_MB_TYPE_INTER4V){ int block; for(block=0; block<4; block++){ int off= (block& 1) + (block>>1)*wrap; int mx = s->current_picture.motion_val[0][ xy + off ][0]; int my = s->current_picture.motion_val[0][ xy + off ][1]; if( mx >=range || mx <-range || my >=range || my <-range){ s->mb_type[i] &= ~CANDIDATE_MB_TYPE_INTER4V; s->mb_type[i] |= CANDIDATE_MB_TYPE_INTRA; s->current_picture.mb_type[i] = CANDIDATE_MB_TYPE_INTRA; } } } xy+=2; i++; } } } } /** * * @param truncate 1 for truncation, 0 for using intra */ void ff_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_select, int16_t (*mv_table)[2], int f_code, int type, int truncate) { MotionEstContext * const c= &s->me; int y, h_range, v_range; // RAL: 8 in MPEG-1, 16 in MPEG-4 int range = (((s->out_format == FMT_MPEG1 || s->msmpeg4_version) ? 8 : 16) << f_code); if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range; h_range= range; v_range= field_select_table ? range>>1 : range; /* clip / convert to intra 16x16 type MVs */ for(y=0; y<s->mb_height; y++){ int x; int xy= y*s->mb_stride; for(x=0; x<s->mb_width; x++){ if (s->mb_type[xy] & type){ // RAL: "type" test added... if(field_select_table==NULL || field_select_table[xy] == field_select){ if( mv_table[xy][0] >=h_range || mv_table[xy][0] <-h_range || mv_table[xy][1] >=v_range || mv_table[xy][1] <-v_range){ if(truncate){ if (mv_table[xy][0] > h_range-1) mv_table[xy][0]= h_range-1; else if(mv_table[xy][0] < -h_range ) mv_table[xy][0]= -h_range; if (mv_table[xy][1] > v_range-1) mv_table[xy][1]= v_range-1; else if(mv_table[xy][1] < -v_range ) mv_table[xy][1]= -v_range; }else{ s->mb_type[xy] &= ~type; s->mb_type[xy] |= CANDIDATE_MB_TYPE_INTRA; mv_table[xy][0]= mv_table[xy][1]= 0; } } } } xy++; } } }