1048 lines
38 KiB
C
Executable File
1048 lines
38 KiB
C
Executable File
/*
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* Motion estimation
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* Copyright (c) 2002-2004 Michael Niedermayer
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* Motion estimation template.
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*/
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#include "libavutil/qsort.h"
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#include "mpegvideo.h"
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//Let us hope gcc will remove the unused vars ...(gcc 3.2.2 seems to do it ...)
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#define LOAD_COMMON\
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uint32_t av_unused * const score_map= c->score_map;\
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const int av_unused xmin= c->xmin;\
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const int av_unused ymin= c->ymin;\
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const int av_unused xmax= c->xmax;\
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const int av_unused ymax= c->ymax;\
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uint8_t *mv_penalty= c->current_mv_penalty;\
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const int pred_x= c->pred_x;\
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const int pred_y= c->pred_y;\
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#define CHECK_HALF_MV(dx, dy, x, y)\
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{\
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const int hx= 2*(x)+(dx);\
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const int hy= 2*(y)+(dy);\
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d= cmp_hpel(s, x, y, dx, dy, size, h, ref_index, src_index, cmp_sub, chroma_cmp_sub, flags);\
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d += (mv_penalty[hx - pred_x] + mv_penalty[hy - pred_y])*penalty_factor;\
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COPY3_IF_LT(dmin, d, bx, hx, by, hy)\
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}
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static int hpel_motion_search(MpegEncContext * s,
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int *mx_ptr, int *my_ptr, int dmin,
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int src_index, int ref_index,
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int size, int h)
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{
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MotionEstContext * const c= &s->me;
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const int mx = *mx_ptr;
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const int my = *my_ptr;
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const int penalty_factor= c->sub_penalty_factor;
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me_cmp_func cmp_sub, chroma_cmp_sub;
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int bx=2*mx, by=2*my;
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LOAD_COMMON
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int flags= c->sub_flags;
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//FIXME factorize
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cmp_sub = s->mecc.me_sub_cmp[size];
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chroma_cmp_sub = s->mecc.me_sub_cmp[size + 1];
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if(c->skip){ //FIXME move out of hpel?
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*mx_ptr = 0;
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*my_ptr = 0;
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return dmin;
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}
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if(c->avctx->me_cmp != c->avctx->me_sub_cmp){
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dmin= cmp(s, mx, my, 0, 0, size, h, ref_index, src_index, cmp_sub, chroma_cmp_sub, flags);
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if(mx || my || size>0)
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dmin += (mv_penalty[2*mx - pred_x] + mv_penalty[2*my - pred_y])*penalty_factor;
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}
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if (mx > xmin && mx < xmax &&
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my > ymin && my < ymax) {
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int d= dmin;
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const int index= (my<<ME_MAP_SHIFT) + mx;
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const int t= score_map[(index-(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)]
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+ (mv_penalty[bx - pred_x] + mv_penalty[by-2 - pred_y])*c->penalty_factor;
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const int l= score_map[(index- 1 )&(ME_MAP_SIZE-1)]
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+ (mv_penalty[bx-2 - pred_x] + mv_penalty[by - pred_y])*c->penalty_factor;
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const int r= score_map[(index+ 1 )&(ME_MAP_SIZE-1)]
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+ (mv_penalty[bx+2 - pred_x] + mv_penalty[by - pred_y])*c->penalty_factor;
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const int b= score_map[(index+(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)]
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+ (mv_penalty[bx - pred_x] + mv_penalty[by+2 - pred_y])*c->penalty_factor;
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#if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 1
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unsigned key;
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unsigned map_generation= c->map_generation;
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key= ((my-1)<<ME_MAP_MV_BITS) + (mx) + map_generation;
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av_assert2(c->map[(index-(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)] == key);
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key= ((my+1)<<ME_MAP_MV_BITS) + (mx) + map_generation;
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av_assert2(c->map[(index+(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)] == key);
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key= ((my)<<ME_MAP_MV_BITS) + (mx+1) + map_generation;
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av_assert2(c->map[(index+1)&(ME_MAP_SIZE-1)] == key);
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key= ((my)<<ME_MAP_MV_BITS) + (mx-1) + map_generation;
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av_assert2(c->map[(index-1)&(ME_MAP_SIZE-1)] == key);
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#endif
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if(t<=b){
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CHECK_HALF_MV(0, 1, mx ,my-1)
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if(l<=r){
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CHECK_HALF_MV(1, 1, mx-1, my-1)
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if(t+r<=b+l){
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CHECK_HALF_MV(1, 1, mx , my-1)
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}else{
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CHECK_HALF_MV(1, 1, mx-1, my )
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}
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CHECK_HALF_MV(1, 0, mx-1, my )
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}else{
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CHECK_HALF_MV(1, 1, mx , my-1)
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if(t+l<=b+r){
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CHECK_HALF_MV(1, 1, mx-1, my-1)
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}else{
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CHECK_HALF_MV(1, 1, mx , my )
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}
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CHECK_HALF_MV(1, 0, mx , my )
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}
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}else{
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if(l<=r){
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if(t+l<=b+r){
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CHECK_HALF_MV(1, 1, mx-1, my-1)
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}else{
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CHECK_HALF_MV(1, 1, mx , my )
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}
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CHECK_HALF_MV(1, 0, mx-1, my)
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CHECK_HALF_MV(1, 1, mx-1, my)
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}else{
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if(t+r<=b+l){
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CHECK_HALF_MV(1, 1, mx , my-1)
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}else{
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CHECK_HALF_MV(1, 1, mx-1, my)
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}
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CHECK_HALF_MV(1, 0, mx , my)
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CHECK_HALF_MV(1, 1, mx , my)
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}
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CHECK_HALF_MV(0, 1, mx , my)
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}
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av_assert2(bx >= xmin*2 && bx <= xmax*2 && by >= ymin*2 && by <= ymax*2);
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}
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*mx_ptr = bx;
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*my_ptr = by;
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return dmin;
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}
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static int no_sub_motion_search(MpegEncContext * s,
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int *mx_ptr, int *my_ptr, int dmin,
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int src_index, int ref_index,
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int size, int h)
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{
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(*mx_ptr) *= 2;
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(*my_ptr) *= 2;
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return dmin;
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}
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static inline int get_mb_score(MpegEncContext *s, int mx, int my,
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int src_index, int ref_index, int size,
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int h, int add_rate)
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{
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MotionEstContext * const c= &s->me;
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const int penalty_factor= c->mb_penalty_factor;
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const int flags= c->mb_flags;
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const int qpel= flags & FLAG_QPEL;
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const int mask= 1+2*qpel;
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me_cmp_func cmp_sub, chroma_cmp_sub;
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int d;
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LOAD_COMMON
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//FIXME factorize
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cmp_sub = s->mecc.mb_cmp[size];
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chroma_cmp_sub = s->mecc.mb_cmp[size + 1];
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d= cmp(s, mx>>(qpel+1), my>>(qpel+1), mx&mask, my&mask, size, h, ref_index, src_index, cmp_sub, chroma_cmp_sub, flags);
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//FIXME check cbp before adding penalty for (0,0) vector
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if(add_rate && (mx || my || size>0))
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d += (mv_penalty[mx - pred_x] + mv_penalty[my - pred_y])*penalty_factor;
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return d;
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}
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int ff_get_mb_score(MpegEncContext *s, int mx, int my, int src_index,
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int ref_index, int size, int h, int add_rate)
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{
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return get_mb_score(s, mx, my, src_index, ref_index, size, h, add_rate);
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}
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#define CHECK_QUARTER_MV(dx, dy, x, y)\
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{\
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const int hx= 4*(x)+(dx);\
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const int hy= 4*(y)+(dy);\
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d= cmp_qpel(s, x, y, dx, dy, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);\
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d += (mv_penalty[hx - pred_x] + mv_penalty[hy - pred_y])*penalty_factor;\
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COPY3_IF_LT(dmin, d, bx, hx, by, hy)\
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}
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static int qpel_motion_search(MpegEncContext * s,
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int *mx_ptr, int *my_ptr, int dmin,
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int src_index, int ref_index,
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int size, int h)
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{
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MotionEstContext * const c= &s->me;
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const int mx = *mx_ptr;
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const int my = *my_ptr;
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const int penalty_factor= c->sub_penalty_factor;
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const unsigned map_generation = c->map_generation;
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const int subpel_quality= c->avctx->me_subpel_quality;
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uint32_t *map= c->map;
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me_cmp_func cmpf, chroma_cmpf;
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me_cmp_func cmp_sub, chroma_cmp_sub;
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LOAD_COMMON
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int flags= c->sub_flags;
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cmpf = s->mecc.me_cmp[size];
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chroma_cmpf = s->mecc.me_cmp[size + 1]; // FIXME: factorize
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//FIXME factorize
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cmp_sub = s->mecc.me_sub_cmp[size];
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chroma_cmp_sub = s->mecc.me_sub_cmp[size + 1];
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if(c->skip){ //FIXME somehow move up (benchmark)
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*mx_ptr = 0;
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*my_ptr = 0;
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return dmin;
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}
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if(c->avctx->me_cmp != c->avctx->me_sub_cmp){
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dmin= cmp(s, mx, my, 0, 0, size, h, ref_index, src_index, cmp_sub, chroma_cmp_sub, flags);
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if(mx || my || size>0)
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dmin += (mv_penalty[4*mx - pred_x] + mv_penalty[4*my - pred_y])*penalty_factor;
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}
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if (mx > xmin && mx < xmax &&
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my > ymin && my < ymax) {
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int bx=4*mx, by=4*my;
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int d= dmin;
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int i, nx, ny;
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const int index= (my<<ME_MAP_SHIFT) + mx;
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const int t= score_map[(index-(1<<ME_MAP_SHIFT) )&(ME_MAP_SIZE-1)];
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const int l= score_map[(index- 1 )&(ME_MAP_SIZE-1)];
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const int r= score_map[(index+ 1 )&(ME_MAP_SIZE-1)];
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const int b= score_map[(index+(1<<ME_MAP_SHIFT) )&(ME_MAP_SIZE-1)];
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const int c= score_map[(index )&(ME_MAP_SIZE-1)];
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int best[8];
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int best_pos[8][2];
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memset(best, 64, sizeof(int)*8);
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if(s->me.dia_size>=2){
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const int tl= score_map[(index-(1<<ME_MAP_SHIFT)-1)&(ME_MAP_SIZE-1)];
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const int bl= score_map[(index+(1<<ME_MAP_SHIFT)-1)&(ME_MAP_SIZE-1)];
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const int tr= score_map[(index-(1<<ME_MAP_SHIFT)+1)&(ME_MAP_SIZE-1)];
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const int br= score_map[(index+(1<<ME_MAP_SHIFT)+1)&(ME_MAP_SIZE-1)];
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for(ny= -3; ny <= 3; ny++){
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for(nx= -3; nx <= 3; nx++){
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//FIXME this could overflow (unlikely though)
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const int64_t t2= nx*nx*(tr + tl - 2*t) + 4*nx*(tr-tl) + 32*t;
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const int64_t c2= nx*nx*( r + l - 2*c) + 4*nx*( r- l) + 32*c;
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const int64_t b2= nx*nx*(br + bl - 2*b) + 4*nx*(br-bl) + 32*b;
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int score= (ny*ny*(b2 + t2 - 2*c2) + 4*ny*(b2 - t2) + 32*c2 + 512)>>10;
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int i;
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if((nx&3)==0 && (ny&3)==0) continue;
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score += (mv_penalty[4*mx + nx - pred_x] + mv_penalty[4*my + ny - pred_y])*penalty_factor;
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// if(nx&1) score-=1024*c->penalty_factor;
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// if(ny&1) score-=1024*c->penalty_factor;
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for(i=0; i<8; i++){
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if(score < best[i]){
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memmove(&best[i+1], &best[i], sizeof(int)*(7-i));
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memmove(&best_pos[i+1][0], &best_pos[i][0], sizeof(int)*2*(7-i));
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best[i]= score;
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best_pos[i][0]= nx + 4*mx;
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best_pos[i][1]= ny + 4*my;
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break;
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}
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}
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}
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}
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}else{
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int tl;
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//FIXME this could overflow (unlikely though)
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const int cx = 4*(r - l);
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const int cx2= r + l - 2*c;
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const int cy = 4*(b - t);
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const int cy2= b + t - 2*c;
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int cxy;
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if(map[(index-(1<<ME_MAP_SHIFT)-1)&(ME_MAP_SIZE-1)] == ((my-1)<<ME_MAP_MV_BITS) + (mx-1) + map_generation){
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tl= score_map[(index-(1<<ME_MAP_SHIFT)-1)&(ME_MAP_SIZE-1)];
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}else{
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tl= cmp(s, mx-1, my-1, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);//FIXME wrong if chroma me is different
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}
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cxy= 2*tl + (cx + cy)/4 - (cx2 + cy2) - 2*c;
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av_assert2(16*cx2 + 4*cx + 32*c == 32*r);
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av_assert2(16*cx2 - 4*cx + 32*c == 32*l);
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av_assert2(16*cy2 + 4*cy + 32*c == 32*b);
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av_assert2(16*cy2 - 4*cy + 32*c == 32*t);
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av_assert2(16*cxy + 16*cy2 + 16*cx2 - 4*cy - 4*cx + 32*c == 32*tl);
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for(ny= -3; ny <= 3; ny++){
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for(nx= -3; nx <= 3; nx++){
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//FIXME this could overflow (unlikely though)
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int score= ny*nx*cxy + nx*nx*cx2 + ny*ny*cy2 + nx*cx + ny*cy + 32*c; //FIXME factor
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int i;
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if((nx&3)==0 && (ny&3)==0) continue;
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score += 32*(mv_penalty[4*mx + nx - pred_x] + mv_penalty[4*my + ny - pred_y])*penalty_factor;
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// if(nx&1) score-=32*c->penalty_factor;
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// if(ny&1) score-=32*c->penalty_factor;
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for(i=0; i<8; i++){
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if(score < best[i]){
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memmove(&best[i+1], &best[i], sizeof(int)*(7-i));
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memmove(&best_pos[i+1][0], &best_pos[i][0], sizeof(int)*2*(7-i));
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best[i]= score;
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best_pos[i][0]= nx + 4*mx;
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best_pos[i][1]= ny + 4*my;
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break;
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}
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}
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}
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}
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}
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for(i=0; i<subpel_quality; i++){
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nx= best_pos[i][0];
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ny= best_pos[i][1];
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CHECK_QUARTER_MV(nx&3, ny&3, nx>>2, ny>>2)
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}
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av_assert2(bx >= xmin*4 && bx <= xmax*4 && by >= ymin*4 && by <= ymax*4);
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*mx_ptr = bx;
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*my_ptr = by;
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}else{
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*mx_ptr =4*mx;
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*my_ptr =4*my;
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}
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return dmin;
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}
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#define CHECK_MV(x,y)\
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{\
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const unsigned key = ((unsigned)(y)<<ME_MAP_MV_BITS) + (x) + map_generation;\
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const int index= (((unsigned)(y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1);\
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av_assert2((x) >= xmin);\
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av_assert2((x) <= xmax);\
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av_assert2((y) >= ymin);\
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av_assert2((y) <= ymax);\
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if(map[index]!=key){\
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d= cmp(s, x, y, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);\
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map[index]= key;\
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score_map[index]= d;\
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d += (mv_penalty[((x)*(1<<shift))-pred_x] + mv_penalty[((y)*(1<<shift))-pred_y])*penalty_factor;\
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COPY3_IF_LT(dmin, d, best[0], x, best[1], y)\
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}\
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}
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#define CHECK_CLIPPED_MV(ax,ay)\
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{\
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const int Lx= ax;\
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const int Ly= ay;\
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const int Lx2= FFMAX(xmin, FFMIN(Lx, xmax));\
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const int Ly2= FFMAX(ymin, FFMIN(Ly, ymax));\
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CHECK_MV(Lx2, Ly2)\
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}
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#define CHECK_MV_DIR(x,y,new_dir)\
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{\
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const unsigned key = ((unsigned)(y)<<ME_MAP_MV_BITS) + (x) + map_generation;\
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const int index= (((unsigned)(y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1);\
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if(map[index]!=key){\
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d= cmp(s, x, y, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);\
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map[index]= key;\
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score_map[index]= d;\
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d += (mv_penalty[(int)((unsigned)(x)<<shift)-pred_x] + mv_penalty[(int)((unsigned)(y)<<shift)-pred_y])*penalty_factor;\
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if(d<dmin){\
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best[0]=x;\
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best[1]=y;\
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dmin=d;\
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next_dir= new_dir;\
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}\
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}\
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}
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#define check(x,y,S,v)\
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if( (x)<(xmin<<(S)) ) av_log(NULL, AV_LOG_ERROR, "%d %d %d %d %d xmin" #v, xmin, (x), (y), s->mb_x, s->mb_y);\
|
|
if( (x)>(xmax<<(S)) ) av_log(NULL, AV_LOG_ERROR, "%d %d %d %d %d xmax" #v, xmax, (x), (y), s->mb_x, s->mb_y);\
|
|
if( (y)<(ymin<<(S)) ) av_log(NULL, AV_LOG_ERROR, "%d %d %d %d %d ymin" #v, ymin, (x), (y), s->mb_x, s->mb_y);\
|
|
if( (y)>(ymax<<(S)) ) av_log(NULL, AV_LOG_ERROR, "%d %d %d %d %d ymax" #v, ymax, (x), (y), s->mb_x, s->mb_y);\
|
|
|
|
#define LOAD_COMMON2\
|
|
uint32_t *map= c->map;\
|
|
const int qpel= flags&FLAG_QPEL;\
|
|
const int shift= 1+qpel;\
|
|
|
|
static av_always_inline int small_diamond_search(MpegEncContext * s, int *best, int dmin,
|
|
int src_index, int ref_index, const int penalty_factor,
|
|
int size, int h, int flags)
|
|
{
|
|
MotionEstContext * const c= &s->me;
|
|
me_cmp_func cmpf, chroma_cmpf;
|
|
int next_dir=-1;
|
|
LOAD_COMMON
|
|
LOAD_COMMON2
|
|
unsigned map_generation = c->map_generation;
|
|
|
|
cmpf = s->mecc.me_cmp[size];
|
|
chroma_cmpf = s->mecc.me_cmp[size + 1];
|
|
|
|
{ /* ensure that the best point is in the MAP as h/qpel refinement needs it */
|
|
const unsigned key = ((unsigned)best[1]<<ME_MAP_MV_BITS) + best[0] + map_generation;
|
|
const int index= (((unsigned)best[1]<<ME_MAP_SHIFT) + best[0])&(ME_MAP_SIZE-1);
|
|
if (map[index] != key) { // this will be executed only very rarely
|
|
score_map[index]= cmp(s, best[0], best[1], 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);
|
|
map[index]= key;
|
|
}
|
|
}
|
|
|
|
for(;;){
|
|
int d;
|
|
const int dir= next_dir;
|
|
const int x= best[0];
|
|
const int y= best[1];
|
|
next_dir=-1;
|
|
|
|
if(dir!=2 && x>xmin) CHECK_MV_DIR(x-1, y , 0)
|
|
if(dir!=3 && y>ymin) CHECK_MV_DIR(x , y-1, 1)
|
|
if(dir!=0 && x<xmax) CHECK_MV_DIR(x+1, y , 2)
|
|
if(dir!=1 && y<ymax) CHECK_MV_DIR(x , y+1, 3)
|
|
|
|
if(next_dir==-1){
|
|
return dmin;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int funny_diamond_search(MpegEncContext * s, int *best, int dmin,
|
|
int src_index, int ref_index, const int penalty_factor,
|
|
int size, int h, int flags)
|
|
{
|
|
MotionEstContext * const c= &s->me;
|
|
me_cmp_func cmpf, chroma_cmpf;
|
|
int dia_size;
|
|
LOAD_COMMON
|
|
LOAD_COMMON2
|
|
unsigned map_generation = c->map_generation;
|
|
|
|
cmpf = s->mecc.me_cmp[size];
|
|
chroma_cmpf = s->mecc.me_cmp[size + 1];
|
|
|
|
for(dia_size=1; dia_size<=4; dia_size++){
|
|
int dir;
|
|
const int x= best[0];
|
|
const int y= best[1];
|
|
|
|
if(dia_size&(dia_size-1)) continue;
|
|
|
|
if( x + dia_size > xmax
|
|
|| x - dia_size < xmin
|
|
|| y + dia_size > ymax
|
|
|| y - dia_size < ymin)
|
|
continue;
|
|
|
|
for(dir= 0; dir<dia_size; dir+=2){
|
|
int d;
|
|
|
|
CHECK_MV(x + dir , y + dia_size - dir);
|
|
CHECK_MV(x + dia_size - dir, y - dir );
|
|
CHECK_MV(x - dir , y - dia_size + dir);
|
|
CHECK_MV(x - dia_size + dir, y + dir );
|
|
}
|
|
|
|
if(x!=best[0] || y!=best[1])
|
|
dia_size=0;
|
|
}
|
|
return dmin;
|
|
}
|
|
|
|
static int hex_search(MpegEncContext * s, int *best, int dmin,
|
|
int src_index, int ref_index, const int penalty_factor,
|
|
int size, int h, int flags, int dia_size)
|
|
{
|
|
MotionEstContext * const c= &s->me;
|
|
me_cmp_func cmpf, chroma_cmpf;
|
|
LOAD_COMMON
|
|
LOAD_COMMON2
|
|
unsigned map_generation = c->map_generation;
|
|
int x,y,d;
|
|
const int dec= dia_size & (dia_size-1);
|
|
|
|
cmpf = s->mecc.me_cmp[size];
|
|
chroma_cmpf = s->mecc.me_cmp[size + 1];
|
|
|
|
for(;dia_size; dia_size= dec ? dia_size-1 : dia_size>>1){
|
|
do{
|
|
x= best[0];
|
|
y= best[1];
|
|
|
|
CHECK_CLIPPED_MV(x -dia_size , y);
|
|
CHECK_CLIPPED_MV(x+ dia_size , y);
|
|
CHECK_CLIPPED_MV(x+( dia_size>>1), y+dia_size);
|
|
CHECK_CLIPPED_MV(x+( dia_size>>1), y-dia_size);
|
|
if(dia_size>1){
|
|
CHECK_CLIPPED_MV(x+(-dia_size>>1), y+dia_size);
|
|
CHECK_CLIPPED_MV(x+(-dia_size>>1), y-dia_size);
|
|
}
|
|
}while(best[0] != x || best[1] != y);
|
|
}
|
|
|
|
return dmin;
|
|
}
|
|
|
|
static int l2s_dia_search(MpegEncContext * s, int *best, int dmin,
|
|
int src_index, int ref_index, const int penalty_factor,
|
|
int size, int h, int flags)
|
|
{
|
|
MotionEstContext * const c= &s->me;
|
|
me_cmp_func cmpf, chroma_cmpf;
|
|
LOAD_COMMON
|
|
LOAD_COMMON2
|
|
unsigned map_generation = c->map_generation;
|
|
int x,y,i,d;
|
|
int dia_size= c->dia_size&0xFF;
|
|
const int dec= dia_size & (dia_size-1);
|
|
static const int hex[8][2]={{-2, 0}, {-1,-1}, { 0,-2}, { 1,-1},
|
|
{ 2, 0}, { 1, 1}, { 0, 2}, {-1, 1}};
|
|
|
|
cmpf = s->mecc.me_cmp[size];
|
|
chroma_cmpf = s->mecc.me_cmp[size + 1];
|
|
|
|
for(; dia_size; dia_size= dec ? dia_size-1 : dia_size>>1){
|
|
do{
|
|
x= best[0];
|
|
y= best[1];
|
|
for(i=0; i<8; i++){
|
|
CHECK_CLIPPED_MV(x+hex[i][0]*dia_size, y+hex[i][1]*dia_size);
|
|
}
|
|
}while(best[0] != x || best[1] != y);
|
|
}
|
|
|
|
x= best[0];
|
|
y= best[1];
|
|
CHECK_CLIPPED_MV(x+1, y);
|
|
CHECK_CLIPPED_MV(x, y+1);
|
|
CHECK_CLIPPED_MV(x-1, y);
|
|
CHECK_CLIPPED_MV(x, y-1);
|
|
|
|
return dmin;
|
|
}
|
|
|
|
static int umh_search(MpegEncContext * s, int *best, int dmin,
|
|
int src_index, int ref_index, const int penalty_factor,
|
|
int size, int h, int flags)
|
|
{
|
|
MotionEstContext * const c= &s->me;
|
|
me_cmp_func cmpf, chroma_cmpf;
|
|
LOAD_COMMON
|
|
LOAD_COMMON2
|
|
unsigned map_generation = c->map_generation;
|
|
int x,y,x2,y2, i, j, d;
|
|
const int dia_size= c->dia_size&0xFE;
|
|
static const int hex[16][2]={{-4,-2}, {-4,-1}, {-4, 0}, {-4, 1}, {-4, 2},
|
|
{ 4,-2}, { 4,-1}, { 4, 0}, { 4, 1}, { 4, 2},
|
|
{-2, 3}, { 0, 4}, { 2, 3},
|
|
{-2,-3}, { 0,-4}, { 2,-3},};
|
|
|
|
cmpf = s->mecc.me_cmp[size];
|
|
chroma_cmpf = s->mecc.me_cmp[size + 1];
|
|
|
|
x= best[0];
|
|
y= best[1];
|
|
for(x2=FFMAX(x-dia_size+1, xmin); x2<=FFMIN(x+dia_size-1,xmax); x2+=2){
|
|
CHECK_MV(x2, y);
|
|
}
|
|
for(y2=FFMAX(y-dia_size/2+1, ymin); y2<=FFMIN(y+dia_size/2-1,ymax); y2+=2){
|
|
CHECK_MV(x, y2);
|
|
}
|
|
|
|
x= best[0];
|
|
y= best[1];
|
|
for(y2=FFMAX(y-2, ymin); y2<=FFMIN(y+2,ymax); y2++){
|
|
for(x2=FFMAX(x-2, xmin); x2<=FFMIN(x+2,xmax); x2++){
|
|
CHECK_MV(x2, y2);
|
|
}
|
|
}
|
|
|
|
//FIXME prevent the CLIP stuff
|
|
|
|
for(j=1; j<=dia_size/4; j++){
|
|
for(i=0; i<16; i++){
|
|
CHECK_CLIPPED_MV(x+hex[i][0]*j, y+hex[i][1]*j);
|
|
}
|
|
}
|
|
|
|
return hex_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags, 2);
|
|
}
|
|
|
|
static int full_search(MpegEncContext * s, int *best, int dmin,
|
|
int src_index, int ref_index, const int penalty_factor,
|
|
int size, int h, int flags)
|
|
{
|
|
MotionEstContext * const c= &s->me;
|
|
me_cmp_func cmpf, chroma_cmpf;
|
|
LOAD_COMMON
|
|
LOAD_COMMON2
|
|
unsigned map_generation = c->map_generation;
|
|
int x,y, d;
|
|
const int dia_size= c->dia_size&0xFF;
|
|
|
|
cmpf = s->mecc.me_cmp[size];
|
|
chroma_cmpf = s->mecc.me_cmp[size + 1];
|
|
|
|
for(y=FFMAX(-dia_size, ymin); y<=FFMIN(dia_size,ymax); y++){
|
|
for(x=FFMAX(-dia_size, xmin); x<=FFMIN(dia_size,xmax); x++){
|
|
CHECK_MV(x, y);
|
|
}
|
|
}
|
|
|
|
x= best[0];
|
|
y= best[1];
|
|
d= dmin;
|
|
CHECK_CLIPPED_MV(x , y);
|
|
CHECK_CLIPPED_MV(x+1, y);
|
|
CHECK_CLIPPED_MV(x, y+1);
|
|
CHECK_CLIPPED_MV(x-1, y);
|
|
CHECK_CLIPPED_MV(x, y-1);
|
|
best[0]= x;
|
|
best[1]= y;
|
|
|
|
return d;
|
|
}
|
|
|
|
#define SAB_CHECK_MV(ax,ay)\
|
|
{\
|
|
const unsigned key = ((ay)<<ME_MAP_MV_BITS) + (ax) + map_generation;\
|
|
const int index= (((ay)<<ME_MAP_SHIFT) + (ax))&(ME_MAP_SIZE-1);\
|
|
if(map[index]!=key){\
|
|
d= cmp(s, ax, ay, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);\
|
|
map[index]= key;\
|
|
score_map[index]= d;\
|
|
d += (mv_penalty[((ax)<<shift)-pred_x] + mv_penalty[((ay)<<shift)-pred_y])*penalty_factor;\
|
|
if(d < minima[minima_count-1].height){\
|
|
int j=0;\
|
|
\
|
|
while(d >= minima[j].height) j++;\
|
|
\
|
|
memmove(&minima [j+1], &minima [j], (minima_count - j - 1)*sizeof(Minima));\
|
|
\
|
|
minima[j].checked= 0;\
|
|
minima[j].height= d;\
|
|
minima[j].x= ax;\
|
|
minima[j].y= ay;\
|
|
\
|
|
i=-1;\
|
|
continue;\
|
|
}\
|
|
}\
|
|
}
|
|
|
|
#define MAX_SAB_SIZE ME_MAP_SIZE
|
|
static int sab_diamond_search(MpegEncContext * s, int *best, int dmin,
|
|
int src_index, int ref_index, const int penalty_factor,
|
|
int size, int h, int flags)
|
|
{
|
|
MotionEstContext * const c= &s->me;
|
|
me_cmp_func cmpf, chroma_cmpf;
|
|
Minima minima[MAX_SAB_SIZE];
|
|
const int minima_count= FFABS(c->dia_size);
|
|
int i, j;
|
|
LOAD_COMMON
|
|
LOAD_COMMON2
|
|
unsigned map_generation = c->map_generation;
|
|
|
|
av_assert1(minima_count <= MAX_SAB_SIZE);
|
|
|
|
cmpf = s->mecc.me_cmp[size];
|
|
chroma_cmpf = s->mecc.me_cmp[size + 1];
|
|
|
|
/*Note j<MAX_SAB_SIZE is needed if MAX_SAB_SIZE < ME_MAP_SIZE as j can
|
|
become larger due to MVs overflowing their ME_MAP_MV_BITS bits space in map
|
|
*/
|
|
for(j=i=0; i<ME_MAP_SIZE && j<MAX_SAB_SIZE; i++){
|
|
uint32_t key= map[i];
|
|
|
|
key += (1<<(ME_MAP_MV_BITS-1)) + (1<<(2*ME_MAP_MV_BITS-1));
|
|
|
|
if ((key & (-(1 << (2 * ME_MAP_MV_BITS)))) != map_generation)
|
|
continue;
|
|
|
|
minima[j].height= score_map[i];
|
|
minima[j].x= key & ((1<<ME_MAP_MV_BITS)-1); key>>=ME_MAP_MV_BITS;
|
|
minima[j].y= key & ((1<<ME_MAP_MV_BITS)-1);
|
|
minima[j].x-= (1<<(ME_MAP_MV_BITS-1));
|
|
minima[j].y-= (1<<(ME_MAP_MV_BITS-1));
|
|
|
|
// all entries in map should be in range except if the mv overflows their ME_MAP_MV_BITS bits space
|
|
if( minima[j].x > xmax || minima[j].x < xmin
|
|
|| minima[j].y > ymax || minima[j].y < ymin)
|
|
continue;
|
|
|
|
minima[j].checked=0;
|
|
if(minima[j].x || minima[j].y)
|
|
minima[j].height+= (mv_penalty[((minima[j].x)<<shift)-pred_x] + mv_penalty[((minima[j].y)<<shift)-pred_y])*penalty_factor;
|
|
|
|
j++;
|
|
}
|
|
|
|
AV_QSORT(minima, j, Minima, minima_cmp);
|
|
|
|
for(; j<minima_count; j++){
|
|
minima[j].height=256*256*256*64;
|
|
minima[j].checked=0;
|
|
minima[j].x= minima[j].y=0;
|
|
}
|
|
|
|
for(i=0; i<minima_count; i++){
|
|
const int x= minima[i].x;
|
|
const int y= minima[i].y;
|
|
int d;
|
|
|
|
if(minima[i].checked) continue;
|
|
|
|
if( x >= xmax || x <= xmin
|
|
|| y >= ymax || y <= ymin)
|
|
continue;
|
|
|
|
SAB_CHECK_MV(x-1, y)
|
|
SAB_CHECK_MV(x+1, y)
|
|
SAB_CHECK_MV(x , y-1)
|
|
SAB_CHECK_MV(x , y+1)
|
|
|
|
minima[i].checked= 1;
|
|
}
|
|
|
|
best[0]= minima[0].x;
|
|
best[1]= minima[0].y;
|
|
dmin= minima[0].height;
|
|
|
|
if( best[0] < xmax && best[0] > xmin
|
|
&& best[1] < ymax && best[1] > ymin){
|
|
int d;
|
|
// ensure that the reference samples for hpel refinement are in the map
|
|
CHECK_MV(best[0]-1, best[1])
|
|
CHECK_MV(best[0]+1, best[1])
|
|
CHECK_MV(best[0], best[1]-1)
|
|
CHECK_MV(best[0], best[1]+1)
|
|
}
|
|
return dmin;
|
|
}
|
|
|
|
static int var_diamond_search(MpegEncContext * s, int *best, int dmin,
|
|
int src_index, int ref_index, const int penalty_factor,
|
|
int size, int h, int flags)
|
|
{
|
|
MotionEstContext * const c= &s->me;
|
|
me_cmp_func cmpf, chroma_cmpf;
|
|
int dia_size;
|
|
LOAD_COMMON
|
|
LOAD_COMMON2
|
|
unsigned map_generation = c->map_generation;
|
|
|
|
cmpf = s->mecc.me_cmp[size];
|
|
chroma_cmpf = s->mecc.me_cmp[size + 1];
|
|
|
|
for(dia_size=1; dia_size<=c->dia_size; dia_size++){
|
|
int dir, start, end;
|
|
const int x= best[0];
|
|
const int y= best[1];
|
|
|
|
start= FFMAX(0, y + dia_size - ymax);
|
|
end = FFMIN(dia_size, xmax - x + 1);
|
|
for(dir= start; dir<end; dir++){
|
|
int d;
|
|
|
|
//check(x + dir,y + dia_size - dir,0, a0)
|
|
CHECK_MV(x + dir , y + dia_size - dir);
|
|
}
|
|
|
|
start= FFMAX(0, x + dia_size - xmax);
|
|
end = FFMIN(dia_size, y - ymin + 1);
|
|
for(dir= start; dir<end; dir++){
|
|
int d;
|
|
|
|
//check(x + dia_size - dir, y - dir,0, a1)
|
|
CHECK_MV(x + dia_size - dir, y - dir );
|
|
}
|
|
|
|
start= FFMAX(0, -y + dia_size + ymin );
|
|
end = FFMIN(dia_size, x - xmin + 1);
|
|
for(dir= start; dir<end; dir++){
|
|
int d;
|
|
|
|
//check(x - dir,y - dia_size + dir,0, a2)
|
|
CHECK_MV(x - dir , y - dia_size + dir);
|
|
}
|
|
|
|
start= FFMAX(0, -x + dia_size + xmin );
|
|
end = FFMIN(dia_size, ymax - y + 1);
|
|
for(dir= start; dir<end; dir++){
|
|
int d;
|
|
|
|
//check(x - dia_size + dir, y + dir,0, a3)
|
|
CHECK_MV(x - dia_size + dir, y + dir );
|
|
}
|
|
|
|
if(x!=best[0] || y!=best[1])
|
|
dia_size=0;
|
|
}
|
|
return dmin;
|
|
}
|
|
|
|
static av_always_inline int diamond_search(MpegEncContext * s, int *best, int dmin,
|
|
int src_index, int ref_index, const int penalty_factor,
|
|
int size, int h, int flags){
|
|
MotionEstContext * const c= &s->me;
|
|
if(c->dia_size==-1)
|
|
return funny_diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
|
|
else if(c->dia_size<-1)
|
|
return sab_diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
|
|
else if(c->dia_size<2)
|
|
return small_diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
|
|
else if(c->dia_size>1024)
|
|
return full_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
|
|
else if(c->dia_size>768)
|
|
return umh_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
|
|
else if(c->dia_size>512)
|
|
return hex_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags, c->dia_size&0xFF);
|
|
else if(c->dia_size>256)
|
|
return l2s_dia_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
|
|
else
|
|
return var_diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
|
|
}
|
|
|
|
/**
|
|
@param P a list of candidate mvs to check before starting the
|
|
iterative search. If one of the candidates is close to the optimal mv, then
|
|
it takes fewer iterations. And it increases the chance that we find the
|
|
optimal mv.
|
|
*/
|
|
static av_always_inline int epzs_motion_search_internal(MpegEncContext * s, int *mx_ptr, int *my_ptr,
|
|
int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2],
|
|
int ref_mv_scale, int flags, int size, int h)
|
|
{
|
|
MotionEstContext * const c= &s->me;
|
|
int best[2]={0, 0}; /**< x and y coordinates of the best motion vector.
|
|
i.e. the difference between the position of the
|
|
block currently being encoded and the position of
|
|
the block chosen to predict it from. */
|
|
int d; ///< the score (cmp + penalty) of any given mv
|
|
int dmin; /**< the best value of d, i.e. the score
|
|
corresponding to the mv stored in best[]. */
|
|
unsigned map_generation;
|
|
int penalty_factor;
|
|
const int ref_mv_stride= s->mb_stride; //pass as arg FIXME
|
|
const int ref_mv_xy = s->mb_x + s->mb_y * ref_mv_stride; // add to last_mv before passing FIXME
|
|
me_cmp_func cmpf, chroma_cmpf;
|
|
|
|
LOAD_COMMON
|
|
LOAD_COMMON2
|
|
|
|
if(c->pre_pass){
|
|
penalty_factor= c->pre_penalty_factor;
|
|
cmpf = s->mecc.me_pre_cmp[size];
|
|
chroma_cmpf = s->mecc.me_pre_cmp[size + 1];
|
|
}else{
|
|
penalty_factor= c->penalty_factor;
|
|
cmpf = s->mecc.me_cmp[size];
|
|
chroma_cmpf = s->mecc.me_cmp[size + 1];
|
|
}
|
|
|
|
map_generation= update_map_generation(c);
|
|
|
|
av_assert2(cmpf);
|
|
dmin= cmp(s, 0, 0, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);
|
|
map[0]= map_generation;
|
|
score_map[0]= dmin;
|
|
|
|
//FIXME precalc first term below?
|
|
if ((s->pict_type == AV_PICTURE_TYPE_B && !(c->flags & FLAG_DIRECT)) ||
|
|
s->mpv_flags & FF_MPV_FLAG_MV0)
|
|
dmin += (mv_penalty[pred_x] + mv_penalty[pred_y])*penalty_factor;
|
|
|
|
/* first line */
|
|
if (s->first_slice_line) {
|
|
CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
|
|
CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
|
|
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
|
|
}else{
|
|
if(dmin<((h*h*s->avctx->mv0_threshold)>>8)
|
|
&& ( P_LEFT[0] |P_LEFT[1]
|
|
|P_TOP[0] |P_TOP[1]
|
|
|P_TOPRIGHT[0]|P_TOPRIGHT[1])==0){
|
|
*mx_ptr= 0;
|
|
*my_ptr= 0;
|
|
c->skip=1;
|
|
return dmin;
|
|
}
|
|
CHECK_MV( P_MEDIAN[0] >>shift , P_MEDIAN[1] >>shift)
|
|
CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift) , (P_MEDIAN[1]>>shift)-1)
|
|
CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift) , (P_MEDIAN[1]>>shift)+1)
|
|
CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift)-1, (P_MEDIAN[1]>>shift) )
|
|
CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift)+1, (P_MEDIAN[1]>>shift) )
|
|
CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
|
|
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
|
|
CHECK_MV(P_LEFT[0] >>shift, P_LEFT[1] >>shift)
|
|
CHECK_MV(P_TOP[0] >>shift, P_TOP[1] >>shift)
|
|
CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift)
|
|
}
|
|
if(dmin>h*h*4){
|
|
if(c->pre_pass){
|
|
CHECK_CLIPPED_MV((last_mv[ref_mv_xy-1][0]*ref_mv_scale + (1<<15))>>16,
|
|
(last_mv[ref_mv_xy-1][1]*ref_mv_scale + (1<<15))>>16)
|
|
if(!s->first_slice_line)
|
|
CHECK_CLIPPED_MV((last_mv[ref_mv_xy-ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
|
|
(last_mv[ref_mv_xy-ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
|
|
}else{
|
|
CHECK_CLIPPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16,
|
|
(last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16)
|
|
if(s->mb_y+1<s->end_mb_y) //FIXME replace at least with last_slice_line
|
|
CHECK_CLIPPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
|
|
(last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
|
|
}
|
|
}
|
|
|
|
if(c->avctx->last_predictor_count){
|
|
const int count= c->avctx->last_predictor_count;
|
|
const int xstart= FFMAX(0, s->mb_x - count);
|
|
const int ystart= FFMAX(0, s->mb_y - count);
|
|
const int xend= FFMIN(s->mb_width , s->mb_x + count + 1);
|
|
const int yend= FFMIN(s->mb_height, s->mb_y + count + 1);
|
|
int mb_y;
|
|
|
|
for(mb_y=ystart; mb_y<yend; mb_y++){
|
|
int mb_x;
|
|
for(mb_x=xstart; mb_x<xend; mb_x++){
|
|
const int xy= mb_x + 1 + (mb_y + 1)*ref_mv_stride;
|
|
int mx= (last_mv[xy][0]*ref_mv_scale + (1<<15))>>16;
|
|
int my= (last_mv[xy][1]*ref_mv_scale + (1<<15))>>16;
|
|
|
|
if(mx>xmax || mx<xmin || my>ymax || my<ymin) continue;
|
|
CHECK_MV(mx,my)
|
|
}
|
|
}
|
|
}
|
|
|
|
//check(best[0],best[1],0, b0)
|
|
dmin= diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
|
|
|
|
//check(best[0],best[1],0, b1)
|
|
*mx_ptr= best[0];
|
|
*my_ptr= best[1];
|
|
|
|
return dmin;
|
|
}
|
|
|
|
//this function is dedicated to the brain damaged gcc
|
|
int ff_epzs_motion_search(MpegEncContext *s, int *mx_ptr, int *my_ptr,
|
|
int P[10][2], int src_index, int ref_index,
|
|
int16_t (*last_mv)[2], int ref_mv_scale,
|
|
int size, int h)
|
|
{
|
|
MotionEstContext * const c= &s->me;
|
|
//FIXME convert other functions in the same way if faster
|
|
if(c->flags==0 && h==16 && size==0){
|
|
return epzs_motion_search_internal(s, mx_ptr, my_ptr, P, src_index, ref_index, last_mv, ref_mv_scale, 0, 0, 16);
|
|
// case FLAG_QPEL:
|
|
// return epzs_motion_search_internal(s, mx_ptr, my_ptr, P, src_index, ref_index, last_mv, ref_mv_scale, FLAG_QPEL);
|
|
}else{
|
|
return epzs_motion_search_internal(s, mx_ptr, my_ptr, P, src_index, ref_index, last_mv, ref_mv_scale, c->flags, size, h);
|
|
}
|
|
}
|
|
|
|
static int epzs_motion_search2(MpegEncContext * s,
|
|
int *mx_ptr, int *my_ptr, int P[10][2],
|
|
int src_index, int ref_index, int16_t (*last_mv)[2],
|
|
int ref_mv_scale, const int size)
|
|
{
|
|
MotionEstContext * const c= &s->me;
|
|
int best[2]={0, 0};
|
|
int d, dmin;
|
|
unsigned map_generation;
|
|
const int penalty_factor= c->penalty_factor;
|
|
const int h=8;
|
|
const int ref_mv_stride= s->mb_stride;
|
|
const int ref_mv_xy= s->mb_x + s->mb_y *ref_mv_stride;
|
|
me_cmp_func cmpf, chroma_cmpf;
|
|
LOAD_COMMON
|
|
int flags= c->flags;
|
|
LOAD_COMMON2
|
|
|
|
cmpf = s->mecc.me_cmp[size];
|
|
chroma_cmpf = s->mecc.me_cmp[size + 1];
|
|
|
|
map_generation= update_map_generation(c);
|
|
|
|
dmin = 1000000;
|
|
|
|
/* first line */
|
|
if (s->first_slice_line) {
|
|
CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
|
|
CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
|
|
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
|
|
CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)
|
|
}else{
|
|
CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)
|
|
//FIXME try some early stop
|
|
CHECK_MV(P_MEDIAN[0]>>shift, P_MEDIAN[1]>>shift)
|
|
CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
|
|
CHECK_MV(P_TOP[0]>>shift, P_TOP[1]>>shift)
|
|
CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift)
|
|
CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
|
|
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
|
|
}
|
|
if(dmin>64*4){
|
|
CHECK_CLIPPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16,
|
|
(last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16)
|
|
if(s->mb_y+1<s->end_mb_y) //FIXME replace at least with last_slice_line
|
|
CHECK_CLIPPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
|
|
(last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
|
|
}
|
|
|
|
dmin= diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
|
|
|
|
*mx_ptr= best[0];
|
|
*my_ptr= best[1];
|
|
|
|
return dmin;
|
|
}
|