mirror of https://git.ffmpeg.org/ffmpeg.git
1748 lines
67 KiB
C
1748 lines
67 KiB
C
/*
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* Motion estimation
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* Copyright (c) 2000,2001 Fabrice Bellard
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* Copyright (c) 2002-2004 Michael Niedermayer
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*
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* new motion estimation (X1/EPZS) by Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of Libav.
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*
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* Libav 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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* Libav 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 Libav; 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.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <limits.h>
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#include "avcodec.h"
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#include "mathops.h"
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#include "mpegutils.h"
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#include "mpegvideo.h"
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#undef NDEBUG
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#include <assert.h>
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#define P_LEFT P[1]
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#define P_TOP P[2]
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#define P_TOPRIGHT P[3]
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#define P_MEDIAN P[4]
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#define P_MV1 P[9]
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static int sad_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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static inline unsigned update_map_generation(MotionEstContext *c)
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{
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c->map_generation+= 1<<(ME_MAP_MV_BITS*2);
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if(c->map_generation==0){
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c->map_generation= 1<<(ME_MAP_MV_BITS*2);
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memset(c->map, 0, sizeof(uint32_t)*ME_MAP_SIZE);
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}
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return c->map_generation;
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}
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/* shape adaptive search stuff */
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typedef struct Minima{
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int height;
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int x, y;
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int checked;
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}Minima;
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static int minima_cmp(const void *a, const void *b){
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const Minima *da = (const Minima *) a;
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const Minima *db = (const Minima *) b;
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return da->height - db->height;
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}
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#define FLAG_QPEL 1 //must be 1
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#define FLAG_CHROMA 2
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#define FLAG_DIRECT 4
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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){
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const int offset[3]= {
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y*c-> stride + x,
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((y*c->uvstride + x)>>1),
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((y*c->uvstride + x)>>1),
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};
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int i;
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for(i=0; i<3; i++){
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c->src[0][i]= src [i] + offset[i];
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c->ref[0][i]= ref [i] + offset[i];
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}
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if(ref_index){
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for(i=0; i<3; i++){
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c->ref[ref_index][i]= ref2[i] + offset[i];
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}
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}
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}
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static int get_flags(MotionEstContext *c, int direct, int chroma){
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return ((c->avctx->flags&CODEC_FLAG_QPEL) ? FLAG_QPEL : 0)
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+ (direct ? FLAG_DIRECT : 0)
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+ (chroma ? FLAG_CHROMA : 0);
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}
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static av_always_inline int cmp_direct_inline(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
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const int size, const int h, int ref_index, int src_index,
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me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, int qpel){
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MotionEstContext * const c= &s->me;
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const int stride= c->stride;
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const int hx= subx + (x<<(1+qpel));
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const int hy= suby + (y<<(1+qpel));
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uint8_t * const * const ref= c->ref[ref_index];
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uint8_t * const * const src= c->src[src_index];
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int d;
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//FIXME check chroma 4mv, (no crashes ...)
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assert(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1));
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if(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)){
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const int time_pp= s->pp_time;
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const int time_pb= s->pb_time;
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const int mask= 2*qpel+1;
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if(s->mv_type==MV_TYPE_8X8){
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int i;
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for(i=0; i<4; i++){
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int fx = c->direct_basis_mv[i][0] + hx;
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int fy = c->direct_basis_mv[i][1] + hy;
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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));
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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));
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int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
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int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
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uint8_t *dst= c->temp + 8*(i&1) + 8*stride*(i>>1);
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if(qpel){
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c->qpel_put[1][fxy](dst, ref[0] + (fx>>2) + (fy>>2)*stride, stride);
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c->qpel_avg[1][bxy](dst, ref[8] + (bx>>2) + (by>>2)*stride, stride);
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}else{
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c->hpel_put[1][fxy](dst, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 8);
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c->hpel_avg[1][bxy](dst, ref[8] + (bx>>1) + (by>>1)*stride, stride, 8);
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}
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}
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}else{
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int fx = c->direct_basis_mv[0][0] + hx;
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int fy = c->direct_basis_mv[0][1] + hy;
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int bx = hx ? fx - c->co_located_mv[0][0] : (c->co_located_mv[0][0]*(time_pb - time_pp)/time_pp);
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int by = hy ? fy - c->co_located_mv[0][1] : (c->co_located_mv[0][1]*(time_pb - time_pp)/time_pp);
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int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
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int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
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if(qpel){
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c->qpel_put[1][fxy](c->temp , ref[0] + (fx>>2) + (fy>>2)*stride , stride);
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c->qpel_put[1][fxy](c->temp + 8 , ref[0] + (fx>>2) + (fy>>2)*stride + 8 , stride);
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c->qpel_put[1][fxy](c->temp + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8*stride, stride);
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c->qpel_put[1][fxy](c->temp + 8 + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8 + 8*stride, stride);
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c->qpel_avg[1][bxy](c->temp , ref[8] + (bx>>2) + (by>>2)*stride , stride);
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c->qpel_avg[1][bxy](c->temp + 8 , ref[8] + (bx>>2) + (by>>2)*stride + 8 , stride);
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c->qpel_avg[1][bxy](c->temp + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8*stride, stride);
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c->qpel_avg[1][bxy](c->temp + 8 + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8 + 8*stride, stride);
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}else{
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assert((fx>>1) + 16*s->mb_x >= -16);
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assert((fy>>1) + 16*s->mb_y >= -16);
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assert((fx>>1) + 16*s->mb_x <= s->width);
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assert((fy>>1) + 16*s->mb_y <= s->height);
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assert((bx>>1) + 16*s->mb_x >= -16);
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assert((by>>1) + 16*s->mb_y >= -16);
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assert((bx>>1) + 16*s->mb_x <= s->width);
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assert((by>>1) + 16*s->mb_y <= s->height);
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c->hpel_put[0][fxy](c->temp, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 16);
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c->hpel_avg[0][bxy](c->temp, ref[8] + (bx>>1) + (by>>1)*stride, stride, 16);
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}
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}
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d = cmp_func(s, c->temp, src[0], stride, 16);
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}else
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d= 256*256*256*32;
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return d;
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}
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static av_always_inline int cmp_inline(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
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const int size, const int h, int ref_index, int src_index,
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me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, int qpel, int chroma){
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MotionEstContext * const c= &s->me;
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const int stride= c->stride;
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const int uvstride= c->uvstride;
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const int dxy= subx + (suby<<(1+qpel)); //FIXME log2_subpel?
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const int hx= subx + (x<<(1+qpel));
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const int hy= suby + (y<<(1+qpel));
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uint8_t * const * const ref= c->ref[ref_index];
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uint8_t * const * const src= c->src[src_index];
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int d;
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//FIXME check chroma 4mv, (no crashes ...)
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int uvdxy; /* no, it might not be used uninitialized */
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if(dxy){
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if(qpel){
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c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride); //FIXME prototype (add h)
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if(chroma){
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int cx= hx/2;
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int cy= hy/2;
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cx= (cx>>1)|(cx&1);
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cy= (cy>>1)|(cy&1);
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uvdxy= (cx&1) + 2*(cy&1);
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//FIXME x/y wrong, but mpeg4 qpel is sick anyway, we should drop as much of it as possible in favor for h264
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}
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}else{
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c->hpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride, h);
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if(chroma)
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uvdxy= dxy | (x&1) | (2*(y&1));
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}
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d = cmp_func(s, c->temp, src[0], stride, h);
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}else{
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d = cmp_func(s, src[0], ref[0] + x + y*stride, stride, h);
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if(chroma)
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uvdxy= (x&1) + 2*(y&1);
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}
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if(chroma){
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uint8_t * const uvtemp= c->temp + 16*stride;
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c->hpel_put[size+1][uvdxy](uvtemp , ref[1] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
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c->hpel_put[size+1][uvdxy](uvtemp+8, ref[2] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
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d += chroma_cmp_func(s, uvtemp , src[1], uvstride, h>>1);
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d += chroma_cmp_func(s, uvtemp+8, src[2], uvstride, h>>1);
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}
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return d;
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}
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static int cmp_simple(MpegEncContext *s, const int x, const int y,
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int ref_index, int src_index,
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me_cmp_func cmp_func, me_cmp_func chroma_cmp_func){
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return cmp_inline(s,x,y,0,0,0,16,ref_index,src_index, cmp_func, chroma_cmp_func, 0, 0);
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}
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static int cmp_fpel_internal(MpegEncContext *s, const int x, const int y,
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const int size, const int h, int ref_index, int src_index,
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me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
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if(flags&FLAG_DIRECT){
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return cmp_direct_inline(s,x,y,0,0,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags&FLAG_QPEL);
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}else{
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return cmp_inline(s,x,y,0,0,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0, flags&FLAG_CHROMA);
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}
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}
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static int cmp_internal(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
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const int size, const int h, int ref_index, int src_index,
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me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
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if(flags&FLAG_DIRECT){
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return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags&FLAG_QPEL);
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}else{
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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);
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}
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}
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/** @brief compares a block (either a full macroblock or a partition thereof)
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against a proposed motion-compensated prediction of that block
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*/
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static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
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const int size, const int h, int ref_index, int src_index,
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me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
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if(av_builtin_constant_p(flags) && av_builtin_constant_p(h) && av_builtin_constant_p(size)
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&& av_builtin_constant_p(subx) && av_builtin_constant_p(suby)
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&& flags==0 && h==16 && size==0 && subx==0 && suby==0){
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return cmp_simple(s,x,y,ref_index,src_index, cmp_func, chroma_cmp_func);
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}else if(av_builtin_constant_p(subx) && av_builtin_constant_p(suby)
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&& subx==0 && suby==0){
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return cmp_fpel_internal(s,x,y,size,h,ref_index,src_index, cmp_func, chroma_cmp_func,flags);
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}else{
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return cmp_internal(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags);
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}
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}
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static int cmp_hpel(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
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const int size, const int h, int ref_index, int src_index,
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me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
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if(flags&FLAG_DIRECT){
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return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0);
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}else{
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return cmp_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0, flags&FLAG_CHROMA);
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}
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}
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static int cmp_qpel(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
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const int size, const int h, int ref_index, int src_index,
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me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
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if(flags&FLAG_DIRECT){
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return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 1);
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}else{
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return cmp_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 1, flags&FLAG_CHROMA);
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}
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}
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#include "motion_est_template.c"
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static int zero_cmp(MpegEncContext *s, uint8_t *a, uint8_t *b,
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int stride, int h)
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{
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return 0;
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}
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static void zero_hpel(uint8_t *a, const uint8_t *b, ptrdiff_t stride, int h){
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}
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int ff_init_me(MpegEncContext *s){
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MotionEstContext * const c= &s->me;
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int cache_size= FFMIN(ME_MAP_SIZE>>ME_MAP_SHIFT, 1<<ME_MAP_SHIFT);
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int dia_size= FFMAX(FFABS(s->avctx->dia_size)&255, FFABS(s->avctx->pre_dia_size)&255);
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if(FFMIN(s->avctx->dia_size, s->avctx->pre_dia_size) < -ME_MAP_SIZE){
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av_log(s->avctx, AV_LOG_ERROR, "ME_MAP size is too small for SAB diamond\n");
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return -1;
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}
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if (s->me_method != ME_ZERO &&
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s->me_method != ME_EPZS &&
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s->me_method != ME_X1) {
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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");
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return -1;
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}
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c->avctx= s->avctx;
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if(cache_size < 2*dia_size && !c->stride){
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av_log(s->avctx, AV_LOG_INFO, "ME_MAP size may be a little small for the selected diamond size\n");
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}
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ff_set_cmp(&s->dsp, s->dsp.me_pre_cmp, c->avctx->me_pre_cmp);
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ff_set_cmp(&s->dsp, s->dsp.me_cmp, c->avctx->me_cmp);
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ff_set_cmp(&s->dsp, s->dsp.me_sub_cmp, c->avctx->me_sub_cmp);
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ff_set_cmp(&s->dsp, s->dsp.mb_cmp, c->avctx->mb_cmp);
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c->flags = get_flags(c, 0, c->avctx->me_cmp &FF_CMP_CHROMA);
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c->sub_flags= get_flags(c, 0, c->avctx->me_sub_cmp&FF_CMP_CHROMA);
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c->mb_flags = get_flags(c, 0, c->avctx->mb_cmp &FF_CMP_CHROMA);
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/*FIXME s->no_rounding b_type*/
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if(s->flags&CODEC_FLAG_QPEL){
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c->sub_motion_search= qpel_motion_search;
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c->qpel_avg= s->dsp.avg_qpel_pixels_tab;
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if(s->no_rounding) c->qpel_put= s->dsp.put_no_rnd_qpel_pixels_tab;
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else c->qpel_put= s->dsp.put_qpel_pixels_tab;
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}else{
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if(c->avctx->me_sub_cmp&FF_CMP_CHROMA)
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c->sub_motion_search= hpel_motion_search;
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else if( c->avctx->me_sub_cmp == FF_CMP_SAD
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&& c->avctx-> me_cmp == FF_CMP_SAD
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&& c->avctx-> mb_cmp == FF_CMP_SAD)
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c->sub_motion_search= sad_hpel_motion_search; // 2050 vs. 2450 cycles
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else
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c->sub_motion_search= hpel_motion_search;
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}
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c->hpel_avg = s->hdsp.avg_pixels_tab;
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if (s->no_rounding)
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c->hpel_put = s->hdsp.put_no_rnd_pixels_tab;
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else
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c->hpel_put = s->hdsp.put_pixels_tab;
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if(s->linesize){
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c->stride = s->linesize;
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c->uvstride= s->uvlinesize;
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}else{
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c->stride = 16*s->mb_width + 32;
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c->uvstride= 8*s->mb_width + 16;
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}
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/* 8x8 fullpel search would need a 4x4 chroma compare, which we do
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* not have yet, and even if we had, the motion estimation code
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* does not expect it. */
|
|
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
|
|
|
|
assert(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));
|
|
/*
|
|
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->mb_width *16;
|
|
c->ymax = - y + s->mb_height*16;
|
|
} 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){
|
|
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;
|
|
int same=1;
|
|
const int stride= c->stride;
|
|
uint8_t *mv_penalty= c->current_mv_penalty;
|
|
|
|
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];
|
|
|
|
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;
|
|
|
|
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){
|
|
assert(field_select==0 || field_select==1);
|
|
assert(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_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);
|
|
|
|
assert(s->quarter_sample==0 || s->quarter_sample==1);
|
|
assert(s->linesize == c->stride);
|
|
assert(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);
|
|
|
|
assert(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;
|
|
}
|
|
|
|
assert(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;
|
|
assert(s->pict_type==AV_PICTURE_TYPE_P);
|
|
|
|
range = (((s->out_format == FMT_MPEG1 || s->msmpeg4_version) ? 8 : 16) << f_code);
|
|
|
|
assert(range <= 16 || !s->msmpeg4_version);
|
|
assert(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++;
|
|
}
|
|
}
|
|
}
|