+++ /dev/null
-/*
- * Motion estimation
- * Copyright (c) 2000,2001 Fabrice Bellard.
- * Copyright (c) 2002-2003 Michael Niedermayer
- *
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * new Motion Estimation (X1/EPZS) by Michael Niedermayer <michaelni@gmx.at>
- */
-
-/**
- * @file motion_est.c
- * Motion estimation.
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <limits.h>
-#include "avcodec.h"
-#include "dsputil.h"
-#include "mpegvideo.h"
-
-//#undef NDEBUG
-//#include <assert.h>
-
-#define SQ(a) ((a)*(a))
-
-#define P_LEFT P[1]
-#define P_TOP P[2]
-#define P_TOPRIGHT P[3]
-#define P_MEDIAN P[4]
-#define P_MV1 P[9]
-
-static inline int sad_hpel_motion_search(MpegEncContext * s,
- int *mx_ptr, int *my_ptr, int dmin,
- int xmin, int ymin, int xmax, int ymax,
- int pred_x, int pred_y, Picture *picture,
- int n, int size, uint8_t * const mv_penalty);
-
-static inline int update_map_generation(MpegEncContext * s)
-{
- s->me.map_generation+= 1<<(ME_MAP_MV_BITS*2);
- if(s->me.map_generation==0){
- s->me.map_generation= 1<<(ME_MAP_MV_BITS*2);
- memset(s->me.map, 0, sizeof(uint32_t)*ME_MAP_SIZE);
- }
- return s->me.map_generation;
-}
-
-/* shape adaptive search stuff */
-typedef struct Minima{
- int height;
- int x, y;
- int checked;
-}Minima;
-
-static int minima_cmp(const void *a, const void *b){
- const Minima *da = (const Minima *) a;
- const Minima *db = (const Minima *) b;
-
- return da->height - db->height;
-}
-
-/* SIMPLE */
-#define RENAME(a) simple_ ## a
-
-#define CMP(d, x, y, size)\
-d = cmp(s, src_y, (ref_y) + (x) + (y)*(stride), stride);
-
-#define CMP_HPEL(d, dx, dy, x, y, size)\
-{\
- const int dxy= (dx) + 2*(dy);\
- hpel_put[0][dxy](s->me.scratchpad, (ref_y) + (x) + (y)*(stride), stride, (16>>size));\
- d = cmp_sub(s, s->me.scratchpad, src_y, stride);\
-}
-
-#define CMP_QPEL(d, dx, dy, x, y, size)\
-{\
- const int dxy= (dx) + 4*(dy);\
- qpel_put[0][dxy](s->me.scratchpad, (ref_y) + (x) + (y)*(stride), stride);\
- d = cmp_sub(s, s->me.scratchpad, src_y, stride);\
-}
-
-#include "motion_est_template.c"
-#undef RENAME
-#undef CMP
-#undef CMP_HPEL
-#undef CMP_QPEL
-#undef INIT
-
-/* SIMPLE CHROMA */
-#define RENAME(a) simple_chroma_ ## a
-
-#define CMP(d, x, y, size)\
-d = cmp(s, src_y, (ref_y) + (x) + (y)*(stride), stride);\
-if(chroma_cmp){\
- int dxy= ((x)&1) + 2*((y)&1);\
- int c= ((x)>>1) + ((y)>>1)*uvstride;\
-\
- chroma_hpel_put[0][dxy](s->me.scratchpad, ref_u + c, uvstride, 8);\
- d += chroma_cmp(s, s->me.scratchpad, src_u, uvstride);\
- chroma_hpel_put[0][dxy](s->me.scratchpad, ref_v + c, uvstride, 8);\
- d += chroma_cmp(s, s->me.scratchpad, src_v, uvstride);\
-}
-
-#define CMP_HPEL(d, dx, dy, x, y, size)\
-{\
- const int dxy= (dx) + 2*(dy);\
- hpel_put[0][dxy](s->me.scratchpad, (ref_y) + (x) + (y)*(stride), stride, (16>>size));\
- d = cmp_sub(s, s->me.scratchpad, src_y, stride);\
- if(chroma_cmp_sub){\
- int cxy= (dxy) | ((x)&1) | (2*((y)&1));\
- int c= ((x)>>1) + ((y)>>1)*uvstride;\
- chroma_hpel_put[0][cxy](s->me.scratchpad, ref_u + c, uvstride, 8);\
- d += chroma_cmp_sub(s, s->me.scratchpad, src_u, uvstride);\
- chroma_hpel_put[0][cxy](s->me.scratchpad, ref_v + c, uvstride, 8);\
- d += chroma_cmp_sub(s, s->me.scratchpad, src_v, uvstride);\
- }\
-}
-
-#define CMP_QPEL(d, dx, dy, x, y, size)\
-{\
- const int dxy= (dx) + 4*(dy);\
- qpel_put[0][dxy](s->me.scratchpad, (ref_y) + (x) + (y)*(stride), stride);\
- d = cmp_sub(s, s->me.scratchpad, src_y, stride);\
- if(chroma_cmp_sub){\
- int cxy, c;\
- int cx= (4*(x) + (dx))/2;\
- int cy= (4*(y) + (dy))/2;\
- cx= (cx>>1)|(cx&1);\
- cy= (cy>>1)|(cy&1);\
- cxy= (cx&1) + 2*(cy&1);\
- c= ((cx)>>1) + ((cy)>>1)*uvstride;\
- chroma_hpel_put[0][cxy](s->me.scratchpad, ref_u + c, uvstride, 8);\
- d += chroma_cmp_sub(s, s->me.scratchpad, src_u, uvstride);\
- chroma_hpel_put[0][cxy](s->me.scratchpad, ref_v + c, uvstride, 8);\
- d += chroma_cmp_sub(s, s->me.scratchpad, src_v, uvstride);\
- }\
-}
-
-#include "motion_est_template.c"
-#undef RENAME
-#undef CMP
-#undef CMP_HPEL
-#undef CMP_QPEL
-#undef INIT
-
-/* SIMPLE DIRECT HPEL */
-#define RENAME(a) simple_direct_hpel_ ## a
-//FIXME precalc divisions stuff
-
-#define CMP_DIRECT(d, dx, dy, x, y, size, cmp_func)\
-if((x) >= xmin && 2*(x) + (dx) <= 2*xmax && (y) >= ymin && 2*(y) + (dy) <= 2*ymax){\
- const int hx= 2*(x) + (dx);\
- const int hy= 2*(y) + (dy);\
- if(s->mv_type==MV_TYPE_8X8){\
- int i;\
- for(i=0; i<4; i++){\
- int fx = s->me.direct_basis_mv[i][0] + hx;\
- int fy = s->me.direct_basis_mv[i][1] + hy;\
- int bx = hx ? fx - s->me.co_located_mv[i][0] : s->me.co_located_mv[i][0]*(time_pb - time_pp)/time_pp + (i &1)*16;\
- int by = hy ? fy - s->me.co_located_mv[i][1] : s->me.co_located_mv[i][1]*(time_pb - time_pp)/time_pp + (i>>1)*16;\
- int fxy= (fx&1) + 2*(fy&1);\
- int bxy= (bx&1) + 2*(by&1);\
-\
- uint8_t *dst= s->me.scratchpad + 8*(i&1) + 8*stride*(i>>1);\
- hpel_put[1][fxy](dst, (ref_y ) + (fx>>1) + (fy>>1)*(stride), stride, 8);\
- hpel_avg[1][bxy](dst, (ref2_y) + (bx>>1) + (by>>1)*(stride), stride, 8);\
- }\
- }else{\
- int fx = s->me.direct_basis_mv[0][0] + hx;\
- int fy = s->me.direct_basis_mv[0][1] + hy;\
- int bx = hx ? fx - s->me.co_located_mv[0][0] : (s->me.co_located_mv[0][0]*(time_pb - time_pp)/time_pp);\
- int by = hy ? fy - s->me.co_located_mv[0][1] : (s->me.co_located_mv[0][1]*(time_pb - time_pp)/time_pp);\
- int fxy= (fx&1) + 2*(fy&1);\
- int bxy= (bx&1) + 2*(by&1);\
- \
- assert((fx>>1) + 16*s->mb_x >= -16);\
- assert((fy>>1) + 16*s->mb_y >= -16);\
- assert((fx>>1) + 16*s->mb_x <= s->width);\
- assert((fy>>1) + 16*s->mb_y <= s->height);\
- assert((bx>>1) + 16*s->mb_x >= -16);\
- assert((by>>1) + 16*s->mb_y >= -16);\
- assert((bx>>1) + 16*s->mb_x <= s->width);\
- assert((by>>1) + 16*s->mb_y <= s->height);\
-\
- hpel_put[0][fxy](s->me.scratchpad, (ref_y ) + (fx>>1) + (fy>>1)*(stride), stride, 16);\
- hpel_avg[0][bxy](s->me.scratchpad, (ref2_y) + (bx>>1) + (by>>1)*(stride), stride, 16);\
- }\
- d = cmp_func(s, s->me.scratchpad, src_y, stride);\
-}else\
- d= 256*256*256*32;
-
-
-#define CMP_HPEL(d, dx, dy, x, y, size)\
- CMP_DIRECT(d, dx, dy, x, y, size, cmp_sub)
-
-#define CMP(d, x, y, size)\
- CMP_DIRECT(d, 0, 0, x, y, size, cmp)
-
-#include "motion_est_template.c"
-#undef RENAME
-#undef CMP
-#undef CMP_HPEL
-#undef CMP_QPEL
-#undef INIT
-#undef CMP_DIRECT
-
-/* SIMPLE DIRECT QPEL */
-#define RENAME(a) simple_direct_qpel_ ## a
-
-#define CMP_DIRECT(d, dx, dy, x, y, size, cmp_func)\
-if((x) >= xmin && 4*(x) + (dx) <= 4*xmax && (y) >= ymin && 4*(y) + (dy) <= 4*ymax){\
- const int qx= 4*(x) + (dx);\
- const int qy= 4*(y) + (dy);\
- if(s->mv_type==MV_TYPE_8X8){\
- int i;\
- for(i=0; i<4; i++){\
- int fx = s->me.direct_basis_mv[i][0] + qx;\
- int fy = s->me.direct_basis_mv[i][1] + qy;\
- int bx = qx ? fx - s->me.co_located_mv[i][0] : s->me.co_located_mv[i][0]*(time_pb - time_pp)/time_pp + (i &1)*16;\
- int by = qy ? fy - s->me.co_located_mv[i][1] : s->me.co_located_mv[i][1]*(time_pb - time_pp)/time_pp + (i>>1)*16;\
- int fxy= (fx&3) + 4*(fy&3);\
- int bxy= (bx&3) + 4*(by&3);\
-\
- uint8_t *dst= s->me.scratchpad + 8*(i&1) + 8*stride*(i>>1);\
- qpel_put[1][fxy](dst, (ref_y ) + (fx>>2) + (fy>>2)*(stride), stride);\
- qpel_avg[1][bxy](dst, (ref2_y) + (bx>>2) + (by>>2)*(stride), stride);\
- }\
- }else{\
- int fx = s->me.direct_basis_mv[0][0] + qx;\
- int fy = s->me.direct_basis_mv[0][1] + qy;\
- int bx = qx ? fx - s->me.co_located_mv[0][0] : s->me.co_located_mv[0][0]*(time_pb - time_pp)/time_pp;\
- int by = qy ? fy - s->me.co_located_mv[0][1] : s->me.co_located_mv[0][1]*(time_pb - time_pp)/time_pp;\
- int fxy= (fx&3) + 4*(fy&3);\
- int bxy= (bx&3) + 4*(by&3);\
-\
- qpel_put[1][fxy](s->me.scratchpad , (ref_y ) + (fx>>2) + (fy>>2)*(stride) , stride);\
- qpel_put[1][fxy](s->me.scratchpad + 8 , (ref_y ) + (fx>>2) + (fy>>2)*(stride) + 8 , stride);\
- qpel_put[1][fxy](s->me.scratchpad + 8*stride, (ref_y ) + (fx>>2) + (fy>>2)*(stride) + 8*stride, stride);\
- qpel_put[1][fxy](s->me.scratchpad + 8 + 8*stride, (ref_y ) + (fx>>2) + (fy>>2)*(stride) + 8 + 8*stride, stride);\
- qpel_avg[1][bxy](s->me.scratchpad , (ref2_y) + (bx>>2) + (by>>2)*(stride) , stride);\
- qpel_avg[1][bxy](s->me.scratchpad + 8 , (ref2_y) + (bx>>2) + (by>>2)*(stride) + 8 , stride);\
- qpel_avg[1][bxy](s->me.scratchpad + 8*stride, (ref2_y) + (bx>>2) + (by>>2)*(stride) + 8*stride, stride);\
- qpel_avg[1][bxy](s->me.scratchpad + 8 + 8*stride, (ref2_y) + (bx>>2) + (by>>2)*(stride) + 8 + 8*stride, stride);\
- }\
- d = cmp_func(s, s->me.scratchpad, src_y, stride);\
-}else\
- d= 256*256*256*32;
-
-
-#define CMP_QPEL(d, dx, dy, x, y, size)\
- CMP_DIRECT(d, dx, dy, x, y, size, cmp_sub)
-
-#define CMP(d, x, y, size)\
- CMP_DIRECT(d, 0, 0, x, y, size, cmp)
-
-#include "motion_est_template.c"
-#undef RENAME
-#undef CMP
-#undef CMP_HPEL
-#undef CMP_QPEL
-#undef INIT
-#undef CMP__DIRECT
-
-
-static int zero_cmp(void *s, uint8_t *a, uint8_t *b, int stride){
- return 0;
-}
-
-static void set_cmp(MpegEncContext *s, me_cmp_func *cmp, int type){
- DSPContext* c= &s->dsp;
- int i;
-
- memset(cmp, 0, sizeof(void*)*11);
-
- switch(type&0xFF){
- case FF_CMP_SAD:
- cmp[0]= c->sad[0];
- cmp[1]= c->sad[1];
- break;
- case FF_CMP_SATD:
- cmp[0]= c->hadamard8_diff[0];
- cmp[1]= c->hadamard8_diff[1];
- break;
- case FF_CMP_SSE:
- cmp[0]= c->sse[0];
- cmp[1]= c->sse[1];
- break;
- case FF_CMP_DCT:
- cmp[0]= c->dct_sad[0];
- cmp[1]= c->dct_sad[1];
- break;
- case FF_CMP_PSNR:
- cmp[0]= c->quant_psnr[0];
- cmp[1]= c->quant_psnr[1];
- break;
- case FF_CMP_BIT:
- cmp[0]= c->bit[0];
- cmp[1]= c->bit[1];
- break;
- case FF_CMP_RD:
- cmp[0]= c->rd[0];
- cmp[1]= c->rd[1];
- break;
- case FF_CMP_ZERO:
- for(i=0; i<7; i++){
- cmp[i]= zero_cmp;
- }
- break;
- default:
- fprintf(stderr,"internal error in cmp function selection\n");
- }
-}
-
-static inline int get_penalty_factor(MpegEncContext *s, int type){
- switch(type&0xFF){
- default:
- case FF_CMP_SAD:
- return s->qscale*2;
- case FF_CMP_DCT:
- return s->qscale*3;
- case FF_CMP_SATD:
- return s->qscale*6;
- case FF_CMP_SSE:
- return s->qscale*s->qscale*2;
- case FF_CMP_BIT:
- return 1;
- case FF_CMP_RD:
- case FF_CMP_PSNR:
- return (s->qscale*s->qscale*185 + 64)>>7;
- }
-}
-
-void ff_init_me(MpegEncContext *s){
- set_cmp(s, s->dsp.me_pre_cmp, s->avctx->me_pre_cmp);
- set_cmp(s, s->dsp.me_cmp, s->avctx->me_cmp);
- set_cmp(s, s->dsp.me_sub_cmp, s->avctx->me_sub_cmp);
- set_cmp(s, s->dsp.mb_cmp, s->avctx->mb_cmp);
-
- if(s->flags&CODEC_FLAG_QPEL){
- if(s->avctx->me_sub_cmp&FF_CMP_CHROMA)
- s->me.sub_motion_search= simple_chroma_qpel_motion_search;
- else
- s->me.sub_motion_search= simple_qpel_motion_search;
- }else{
- if(s->avctx->me_sub_cmp&FF_CMP_CHROMA)
- s->me.sub_motion_search= simple_chroma_hpel_motion_search;
- else if( s->avctx->me_sub_cmp == FF_CMP_SAD
- && s->avctx-> me_cmp == FF_CMP_SAD
- && s->avctx-> mb_cmp == FF_CMP_SAD)
- s->me.sub_motion_search= sad_hpel_motion_search;
- else
- s->me.sub_motion_search= simple_hpel_motion_search;
- }
-
- if(s->avctx->me_cmp&FF_CMP_CHROMA){
- s->me.motion_search[0]= simple_chroma_epzs_motion_search;
- s->me.motion_search[1]= simple_chroma_epzs_motion_search4;
- }else{
- s->me.motion_search[0]= simple_epzs_motion_search;
- s->me.motion_search[1]= simple_epzs_motion_search4;
- }
-
- if(s->avctx->me_pre_cmp&FF_CMP_CHROMA){
- s->me.pre_motion_search= simple_chroma_epzs_motion_search;
- }else{
- s->me.pre_motion_search= simple_epzs_motion_search;
- }
-
- if(s->flags&CODEC_FLAG_QPEL){
- if(s->avctx->mb_cmp&FF_CMP_CHROMA)
- s->me.get_mb_score= simple_chroma_qpel_get_mb_score;
- else
- s->me.get_mb_score= simple_qpel_get_mb_score;
- }else{
- if(s->avctx->mb_cmp&FF_CMP_CHROMA)
- s->me.get_mb_score= simple_chroma_hpel_get_mb_score;
- else
- s->me.get_mb_score= simple_hpel_get_mb_score;
- }
-}
-
-#if 0
-static int pix_dev(uint8_t * pix, int line_size, int mean)
-{
- int s, i, j;
-
- s = 0;
- for (i = 0; i < 16; i++) {
- for (j = 0; j < 16; j += 8) {
- s += ABS(pix[0]-mean);
- s += ABS(pix[1]-mean);
- s += ABS(pix[2]-mean);
- s += ABS(pix[3]-mean);
- s += ABS(pix[4]-mean);
- s += ABS(pix[5]-mean);
- s += ABS(pix[6]-mean);
- s += ABS(pix[7]-mean);
- pix += 8;
- }
- pix += line_size - 16;
- }
- return s;
-}
-#endif
-
-static inline void no_motion_search(MpegEncContext * s,
- int *mx_ptr, int *my_ptr)
-{
- *mx_ptr = 16 * s->mb_x;
- *my_ptr = 16 * s->mb_y;
-}
-
-static int full_motion_search(MpegEncContext * s,
- int *mx_ptr, int *my_ptr, int range,
- int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
-{
- int x1, y1, x2, y2, xx, yy, x, y;
- int mx, my, dmin, d;
- uint8_t *pix;
-
- xx = 16 * s->mb_x;
- yy = 16 * s->mb_y;
- x1 = xx - range + 1; /* we loose one pixel to avoid boundary pb with half pixel pred */
- if (x1 < xmin)
- x1 = xmin;
- x2 = xx + range - 1;
- if (x2 > xmax)
- x2 = xmax;
- y1 = yy - range + 1;
- if (y1 < ymin)
- y1 = ymin;
- y2 = yy + range - 1;
- if (y2 > ymax)
- y2 = ymax;
- pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
- dmin = 0x7fffffff;
- mx = 0;
- my = 0;
- for (y = y1; y <= y2; y++) {
- for (x = x1; x <= x2; x++) {
- d = s->dsp.pix_abs16x16(pix, ref_picture + (y * s->linesize) + x,
- s->linesize);
- if (d < dmin ||
- (d == dmin &&
- (abs(x - xx) + abs(y - yy)) <
- (abs(mx - xx) + abs(my - yy)))) {
- dmin = d;
- mx = x;
- my = y;
- }
- }
- }
-
- *mx_ptr = mx;
- *my_ptr = my;
-
-#if 0
- if (*mx_ptr < -(2 * range) || *mx_ptr >= (2 * range) ||
- *my_ptr < -(2 * range) || *my_ptr >= (2 * range)) {
- fprintf(stderr, "error %d %d\n", *mx_ptr, *my_ptr);
- }
-#endif
- return dmin;
-}
-
-
-static int log_motion_search(MpegEncContext * s,
- int *mx_ptr, int *my_ptr, int range,
- int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
-{
- int x1, y1, x2, y2, xx, yy, x, y;
- int mx, my, dmin, d;
- uint8_t *pix;
-
- xx = s->mb_x << 4;
- yy = s->mb_y << 4;
-
- /* Left limit */
- x1 = xx - range;
- if (x1 < xmin)
- x1 = xmin;
-
- /* Right limit */
- x2 = xx + range;
- if (x2 > xmax)
- x2 = xmax;
-
- /* Upper limit */
- y1 = yy - range;
- if (y1 < ymin)
- y1 = ymin;
-
- /* Lower limit */
- y2 = yy + range;
- if (y2 > ymax)
- y2 = ymax;
-
- pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
- dmin = 0x7fffffff;
- mx = 0;
- my = 0;
-
- do {
- for (y = y1; y <= y2; y += range) {
- for (x = x1; x <= x2; x += range) {
- d = s->dsp.pix_abs16x16(pix, ref_picture + (y * s->linesize) + x, s->linesize);
- if (d < dmin || (d == dmin && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
- dmin = d;
- mx = x;
- my = y;
- }
- }
- }
-
- range = range >> 1;
-
- x1 = mx - range;
- if (x1 < xmin)
- x1 = xmin;
-
- x2 = mx + range;
- if (x2 > xmax)
- x2 = xmax;
-
- y1 = my - range;
- if (y1 < ymin)
- y1 = ymin;
-
- y2 = my + range;
- if (y2 > ymax)
- y2 = ymax;
-
- } while (range >= 1);
-
-#ifdef DEBUG
- fprintf(stderr, "log - MX: %d\tMY: %d\n", mx, my);
-#endif
- *mx_ptr = mx;
- *my_ptr = my;
- return dmin;
-}
-
-static int phods_motion_search(MpegEncContext * s,
- int *mx_ptr, int *my_ptr, int range,
- int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
-{
- int x1, y1, x2, y2, xx, yy, x, y, lastx, d;
- int mx, my, dminx, dminy;
- uint8_t *pix;
-
- xx = s->mb_x << 4;
- yy = s->mb_y << 4;
-
- /* Left limit */
- x1 = xx - range;
- if (x1 < xmin)
- x1 = xmin;
-
- /* Right limit */
- x2 = xx + range;
- if (x2 > xmax)
- x2 = xmax;
-
- /* Upper limit */
- y1 = yy - range;
- if (y1 < ymin)
- y1 = ymin;
-
- /* Lower limit */
- y2 = yy + range;
- if (y2 > ymax)
- y2 = ymax;
-
- pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
- mx = 0;
- my = 0;
-
- x = xx;
- y = yy;
- do {
- dminx = 0x7fffffff;
- dminy = 0x7fffffff;
-
- lastx = x;
- for (x = x1; x <= x2; x += range) {
- d = s->dsp.pix_abs16x16(pix, ref_picture + (y * s->linesize) + x, s->linesize);
- if (d < dminx || (d == dminx && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
- dminx = d;
- mx = x;
- }
- }
-
- x = lastx;
- for (y = y1; y <= y2; y += range) {
- d = s->dsp.pix_abs16x16(pix, ref_picture + (y * s->linesize) + x, s->linesize);
- if (d < dminy || (d == dminy && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
- dminy = d;
- my = y;
- }
- }
-
- range = range >> 1;
-
- x = mx;
- y = my;
- x1 = mx - range;
- if (x1 < xmin)
- x1 = xmin;
-
- x2 = mx + range;
- if (x2 > xmax)
- x2 = xmax;
-
- y1 = my - range;
- if (y1 < ymin)
- y1 = ymin;
-
- y2 = my + range;
- if (y2 > ymax)
- y2 = ymax;
-
- } while (range >= 1);
-
-#ifdef DEBUG
- fprintf(stderr, "phods - MX: %d\tMY: %d\n", mx, my);
-#endif
-
- /* half pixel search */
- *mx_ptr = mx;
- *my_ptr = my;
- return dminy;
-}
-
-
-#define Z_THRESHOLD 256
-
-#define CHECK_SAD_HALF_MV(suffix, x, y) \
-{\
- d= pix_abs_ ## suffix(pix, ptr+((x)>>1), s->linesize);\
- d += (mv_penalty[pen_x + x] + mv_penalty[pen_y + y])*penalty_factor;\
- COPY3_IF_LT(dminh, d, dx, x, dy, y)\
-}
-
-static inline int sad_hpel_motion_search(MpegEncContext * s,
- int *mx_ptr, int *my_ptr, int dmin,
- int xmin, int ymin, int xmax, int ymax,
- int pred_x, int pred_y, Picture *picture,
- int n, int size, uint8_t * const mv_penalty)
-{
- uint8_t *ref_picture= picture->data[0];
- uint32_t *score_map= s->me.score_map;
- const int penalty_factor= s->me.sub_penalty_factor;
- int mx, my, xx, yy, dminh;
- uint8_t *pix, *ptr;
- op_pixels_abs_func pix_abs_x2;
- op_pixels_abs_func pix_abs_y2;
- op_pixels_abs_func pix_abs_xy2;
-
- if(size==0){
- pix_abs_x2 = s->dsp.pix_abs16x16_x2;
- pix_abs_y2 = s->dsp.pix_abs16x16_y2;
- pix_abs_xy2= s->dsp.pix_abs16x16_xy2;
- }else{
- pix_abs_x2 = s->dsp.pix_abs8x8_x2;
- pix_abs_y2 = s->dsp.pix_abs8x8_y2;
- pix_abs_xy2= s->dsp.pix_abs8x8_xy2;
- }
-
- if(s->me.skip){
-// printf("S");
- *mx_ptr = 0;
- *my_ptr = 0;
- return dmin;
- }
-// printf("N");
-
- xx = 16 * s->mb_x + 8*(n&1);
- yy = 16 * s->mb_y + 8*(n>>1);
- pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
-
- mx = *mx_ptr;
- my = *my_ptr;
- ptr = ref_picture + ((yy + my) * s->linesize) + (xx + 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-= s->linesize;
- 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+= s->linesize;
- }else{
- ptr+= s->linesize;
- 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+= s->linesize;
- }else{
- ptr+= s->linesize;
- 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+= s->linesize;
- }else{
- ptr+= s->linesize;
- 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+= s->linesize;
- }else{
- ptr+= s->linesize;
- 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 allready been set to the 4 MV if 4MV is done */
- if(mv4){
- int mot_xy= s->block_index[0];
-
- s->motion_val[mot_xy ][0]= mx;
- s->motion_val[mot_xy ][1]= my;
- s->motion_val[mot_xy+1][0]= mx;
- s->motion_val[mot_xy+1][1]= my;
-
- mot_xy += s->block_wrap[0];
- s->motion_val[mot_xy ][0]= mx;
- s->motion_val[mot_xy ][1]= my;
- s->motion_val[mot_xy+1][0]= mx;
- s->motion_val[mot_xy+1][1]= my;
- }
-}
-
-/**
- * get fullpel ME search limits.
- * @param range the approximate search range for the old ME code, unused for EPZS and newer
- */
-static inline void get_limits(MpegEncContext *s, int *range, int *xmin, int *ymin, int *xmax, int *ymax)
-{
- if(s->avctx->me_range) *range= s->avctx->me_range >> 1;
- else *range= 16;
-
- if (s->unrestricted_mv) {
- *xmin = -16;
- *ymin = -16;
- *xmax = s->mb_width*16;
- *ymax = s->mb_height*16;
- } else {
- *xmin = 0;
- *ymin = 0;
- *xmax = s->mb_width*16 - 16;
- *ymax = s->mb_height*16 - 16;
- }
-
- //FIXME try to limit x/y min/max if me_range is set
-}
-
-static inline int h263_mv4_search(MpegEncContext *s, int xmin, int ymin, int xmax, int ymax, int mx, int my, int shift)
-{
- int block;
- int P[10][2];
- int dmin_sum=0, mx4_sum=0, my4_sum=0;
- uint8_t * const mv_penalty= s->me.mv_penalty[s->f_code] + MAX_MV;
-
- 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->block_wrap[0];
- const int mot_xy = s->block_index[block];
-// const int block_x= (block&1);
-// const int block_y= (block>>1);
-#if 1 // this saves us a bit of cliping work and shouldnt affect compression in a negative way
- const int rel_xmin4= xmin;
- const int rel_xmax4= xmax;
- const int rel_ymin4= ymin;
- const int rel_ymax4= ymax;
-#else
- const int rel_xmin4= xmin - block_x*8;
- const int rel_xmax4= xmax - block_x*8 + 8;
- const int rel_ymin4= ymin - block_y*8;
- const int rel_ymax4= ymax - block_y*8 + 8;
-#endif
- P_LEFT[0] = s->motion_val[mot_xy - 1][0];
- P_LEFT[1] = s->motion_val[mot_xy - 1][1];
-
- if(P_LEFT[0] > (rel_xmax4<<shift)) P_LEFT[0] = (rel_xmax4<<shift);
-
- /* special case for first line */
- if (s->mb_y == 0 && block<2) {
- pred_x4= P_LEFT[0];
- pred_y4= P_LEFT[1];
- } else {
- P_TOP[0] = s->motion_val[mot_xy - mot_stride ][0];
- P_TOP[1] = s->motion_val[mot_xy - mot_stride ][1];
- P_TOPRIGHT[0] = s->motion_val[mot_xy - mot_stride + off[block]][0];
- P_TOPRIGHT[1] = s->motion_val[mot_xy - mot_stride + off[block]][1];
- if(P_TOP[1] > (rel_ymax4<<shift)) P_TOP[1] = (rel_ymax4<<shift);
- if(P_TOPRIGHT[0] < (rel_xmin4<<shift)) P_TOPRIGHT[0]= (rel_xmin4<<shift);
- if(P_TOPRIGHT[0] > (rel_xmax4<<shift)) P_TOPRIGHT[0]= (rel_xmax4<<shift);
- if(P_TOPRIGHT[1] > (rel_ymax4<<shift)) P_TOPRIGHT[1]= (rel_ymax4<<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){
- pred_x4 = P_MEDIAN[0];
- pred_y4 = P_MEDIAN[1];
-#if 0
- }else { /* mpeg1 at least */
- pred_x4= P_LEFT[0];
- pred_y4= P_LEFT[1];
- }
-#endif
- }
- P_MV1[0]= mx;
- P_MV1[1]= my;
-
- dmin4 = s->me.motion_search[1](s, block, &mx4, &my4, P, pred_x4, pred_y4, rel_xmin4, rel_ymin4, rel_xmax4, rel_ymax4,
- &s->last_picture, s->p_mv_table, (1<<16)>>shift, mv_penalty);
-
- dmin4= s->me.sub_motion_search(s, &mx4, &my4, dmin4, rel_xmin4, rel_ymin4, rel_xmax4, rel_ymax4,
- pred_x4, pred_y4, &s->last_picture, block, 1, mv_penalty);
-
- if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
- int dxy;
- const int offset= ((block&1) + (block>>1)*s->linesize)*8;
- uint8_t *dest_y = s->me.scratchpad + offset;
-
- if(s->quarter_sample){
- uint8_t *ref= s->last_picture.data[0] + (s->mb_x*16 + (mx4>>2)) + (s->mb_y*16 + (my4>>2))*s->linesize + offset;
- dxy = ((my4 & 3) << 2) | (mx4 & 3);
-
- if(s->no_rounding)
- s->dsp.put_no_rnd_qpel_pixels_tab[1][dxy](dest_y , ref , s->linesize);
- else
- s->dsp.put_qpel_pixels_tab [1][dxy](dest_y , ref , s->linesize);
- }else{
- uint8_t *ref= s->last_picture.data[0] + (s->mb_x*16 + (mx4>>1)) + (s->mb_y*16 + (my4>>1))*s->linesize + offset;
- dxy = ((my4 & 1) << 1) | (mx4 & 1);
-
- if(s->no_rounding)
- s->dsp.put_no_rnd_pixels_tab[1][dxy](dest_y , ref , s->linesize, 8);
- else
- s->dsp.put_pixels_tab [1][dxy](dest_y , ref , s->linesize, 8);
- }
- dmin_sum+= (mv_penalty[mx4-pred_x4] + mv_penalty[my4-pred_y4])*s->me.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->motion_val[ s->block_index[block] ][0]= mx4;
- s->motion_val[ s->block_index[block] ][1]= my4;
- }
-
- if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
- dmin_sum += s->dsp.mb_cmp[0](s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*16*s->linesize, s->me.scratchpad, s->linesize);
- }
-
- if(s->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->dsp.put_no_rnd_pixels_tab[1][dxy](s->me.scratchpad , s->last_picture.data[1] + offset, s->uvlinesize, 8);
- s->dsp.put_no_rnd_pixels_tab[1][dxy](s->me.scratchpad+8 , s->last_picture.data[2] + offset, s->uvlinesize, 8);
- }else{
- s->dsp.put_pixels_tab [1][dxy](s->me.scratchpad , s->last_picture.data[1] + offset, s->uvlinesize, 8);
- s->dsp.put_pixels_tab [1][dxy](s->me.scratchpad+8 , s->last_picture.data[2] + offset, s->uvlinesize, 8);
- }
-
- dmin_sum += s->dsp.mb_cmp[1](s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*8*s->uvlinesize, s->me.scratchpad , s->uvlinesize);
- dmin_sum += s->dsp.mb_cmp[1](s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*8*s->uvlinesize, s->me.scratchpad+8, s->uvlinesize);
- }
-
- switch(s->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*s->me.mb_penalty_factor;
- }
-}
-
-void ff_estimate_p_frame_motion(MpegEncContext * s,
- int mb_x, int mb_y)
-{
- uint8_t *pix, *ppix;
- int sum, varc, vard, mx, my, range, dmin, xx, yy;
- int xmin, ymin, xmax, ymax;
- int rel_xmin, rel_ymin, rel_xmax, rel_ymax;
- int pred_x=0, pred_y=0;
- int P[10][2];
- const int shift= 1+s->quarter_sample;
- int mb_type=0;
- uint8_t *ref_picture= s->last_picture.data[0];
- Picture * const pic= &s->current_picture;
- uint8_t * const mv_penalty= s->me.mv_penalty[s->f_code] + MAX_MV;
-
- assert(s->quarter_sample==0 || s->quarter_sample==1);
-
- s->me.penalty_factor = get_penalty_factor(s, s->avctx->me_cmp);
- s->me.sub_penalty_factor= get_penalty_factor(s, s->avctx->me_sub_cmp);
- s->me.mb_penalty_factor = get_penalty_factor(s, s->avctx->mb_cmp);
-
- get_limits(s, &range, &xmin, &ymin, &xmax, &ymax);
- rel_xmin= xmin - mb_x*16;
- rel_xmax= xmax - mb_x*16;
- rel_ymin= ymin - mb_y*16;
- rel_ymax= ymax - mb_y*16;
- s->me.skip=0;
-
- switch(s->me_method) {
- case ME_ZERO:
- default:
- no_motion_search(s, &mx, &my);
- mx-= mb_x*16;
- my-= mb_y*16;
- dmin = 0;
- break;
- case ME_FULL:
- dmin = full_motion_search(s, &mx, &my, range, xmin, ymin, xmax, ymax, ref_picture);
- mx-= mb_x*16;
- my-= mb_y*16;
- break;
- case ME_LOG:
- dmin = log_motion_search(s, &mx, &my, range / 2, xmin, ymin, xmax, ymax, ref_picture);
- mx-= mb_x*16;
- my-= mb_y*16;
- break;
- case ME_PHODS:
- dmin = phods_motion_search(s, &mx, &my, range / 2, xmin, ymin, xmax, ymax, ref_picture);
- mx-= mb_x*16;
- my-= mb_y*16;
- break;
- case ME_X1:
- case ME_EPZS:
- {
- const int mot_stride = s->block_wrap[0];
- const int mot_xy = s->block_index[0];
-
- P_LEFT[0] = s->motion_val[mot_xy - 1][0];
- P_LEFT[1] = s->motion_val[mot_xy - 1][1];
-
- if(P_LEFT[0] > (rel_xmax<<shift)) P_LEFT[0] = (rel_xmax<<shift);
-
- if(mb_y) {
- P_TOP[0] = s->motion_val[mot_xy - mot_stride ][0];
- P_TOP[1] = s->motion_val[mot_xy - mot_stride ][1];
- P_TOPRIGHT[0] = s->motion_val[mot_xy - mot_stride + 2][0];
- P_TOPRIGHT[1] = s->motion_val[mot_xy - mot_stride + 2][1];
- if(P_TOP[1] > (rel_ymax<<shift)) P_TOP[1] = (rel_ymax<<shift);
- if(P_TOPRIGHT[0] < (rel_xmin<<shift)) P_TOPRIGHT[0]= (rel_xmin<<shift);
- if(P_TOPRIGHT[1] > (rel_ymax<<shift)) P_TOPRIGHT[1]= (rel_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){
- pred_x = P_MEDIAN[0];
- pred_y = P_MEDIAN[1];
- }else { /* mpeg1 at least */
- pred_x= P_LEFT[0];
- pred_y= P_LEFT[1];
- }
- }else{
- pred_x= P_LEFT[0];
- pred_y= P_LEFT[1];
- }
-
- }
- dmin = s->me.motion_search[0](s, 0, &mx, &my, P, pred_x, pred_y, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
- &s->last_picture, s->p_mv_table, (1<<16)>>shift, mv_penalty);
-
- break;
- }
-
- /* intra / predictive decision */
- xx = mb_x * 16;
- yy = mb_y * 16;
-
- pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
- /* At this point (mx,my) are full-pell and the relative displacement */
- ppix = ref_picture + ((yy+my) * s->linesize) + (xx+mx);
-
- sum = s->dsp.pix_sum(pix, s->linesize);
-
- varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
- vard = (s->dsp.sse[0](NULL, pix, ppix, s->linesize)+128)>>8;
-
-//printf("%d %d %d %X %X %X\n", s->mb_width, mb_x, mb_y,(int)s, (int)s->mb_var, (int)s->mc_mb_var); fflush(stdout);
- pic->mb_var [s->mb_stride * mb_y + mb_x] = varc;
- pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = vard;
- pic->mb_mean [s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
-// pic->mb_cmp_score[s->mb_stride * mb_y + mb_x] = dmin;
- pic->mb_var_sum += varc;
- pic->mc_mb_var_sum += vard;
-//printf("E%d %d %d %X %X %X\n", s->mb_width, mb_x, mb_y,(int)s, (int)s->mb_var, (int)s->mc_mb_var); fflush(stdout);
-
-#if 0
- printf("varc=%4d avg_var=%4d (sum=%4d) vard=%4d mx=%2d my=%2d\n",
- varc, s->avg_mb_var, sum, vard, mx - xx, my - yy);
-#endif
- if(s->avctx->mb_decision > FF_MB_DECISION_SIMPLE){
- if (vard <= 64 || vard < varc)
- s->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
- else
- s->scene_change_score+= s->qscale;
-
- if (vard*2 + 200 > varc)
- mb_type|= MB_TYPE_INTRA;
- if (varc*2 + 200 > vard){
- mb_type|= MB_TYPE_INTER;
- s->me.sub_motion_search(s, &mx, &my, dmin, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
- pred_x, pred_y, &s->last_picture, 0, 0, mv_penalty);
- }else{
- mx <<=shift;
- my <<=shift;
- }
- if((s->flags&CODEC_FLAG_4MV)
- && !s->me.skip && varc>50 && vard>10){
- h263_mv4_search(s, rel_xmin, rel_ymin, rel_xmax, rel_ymax, mx, my, shift);
- mb_type|=MB_TYPE_INTER4V;
-
- set_p_mv_tables(s, mx, my, 0);
- }else
- set_p_mv_tables(s, mx, my, 1);
- }else{
- mb_type= MB_TYPE_INTER;
-
- dmin= s->me.sub_motion_search(s, &mx, &my, dmin, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
- pred_x, pred_y, &s->last_picture, 0, 0, mv_penalty);
-
- if(s->avctx->me_sub_cmp != s->avctx->mb_cmp && !s->me.skip)
- dmin= s->me.get_mb_score(s, mx, my, pred_x, pred_y, &s->last_picture, mv_penalty);
-
- if((s->flags&CODEC_FLAG_4MV)
- && !s->me.skip && varc>50 && vard>10){
- int dmin4= h263_mv4_search(s, rel_xmin, rel_ymin, rel_xmax, rel_ymax, mx, my, shift);
- if(dmin4 < dmin){
- mb_type= MB_TYPE_INTER4V;
- dmin=dmin4;
- }
- }
- pic->mb_cmp_score[s->mb_stride * mb_y + mb_x] = dmin;
- set_p_mv_tables(s, mx, my, mb_type!=MB_TYPE_INTER4V);
-
- if (vard <= 64 || vard < varc) {
- s->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
- }else{
- s->scene_change_score+= s->qscale;
- }
- }
-
- 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)
-{
- int mx, my, range, dmin;
- int xmin, ymin, xmax, ymax;
- int rel_xmin, rel_ymin, rel_xmax, rel_ymax;
- int pred_x=0, pred_y=0;
- int P[10][2];
- const int shift= 1+s->quarter_sample;
- uint8_t * const mv_penalty= s->me.mv_penalty[s->f_code] + MAX_MV;
- const int xy= mb_x + mb_y*s->mb_stride;
-
- assert(s->quarter_sample==0 || s->quarter_sample==1);
-
- s->me.pre_penalty_factor = get_penalty_factor(s, s->avctx->me_pre_cmp);
-
- get_limits(s, &range, &xmin, &ymin, &xmax, &ymax);
- rel_xmin= xmin - mb_x*16;
- rel_xmax= xmax - mb_x*16;
- rel_ymin= ymin - mb_y*16;
- rel_ymax= ymax - mb_y*16;
- s->me.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] < (rel_xmin<<shift)) P_LEFT[0] = (rel_xmin<<shift);
-
- /* special case for first line */
- if (mb_y == s->mb_height-1) {
- pred_x= P_LEFT[0];
- 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] < (rel_ymin<<shift)) P_TOP[1] = (rel_ymin<<shift);
- if(P_TOPRIGHT[0] > (rel_xmax<<shift)) P_TOPRIGHT[0]= (rel_xmax<<shift);
- if(P_TOPRIGHT[1] < (rel_ymin<<shift)) P_TOPRIGHT[1]= (rel_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]);
-
- pred_x = P_MEDIAN[0];
- pred_y = P_MEDIAN[1];
- }
- dmin = s->me.pre_motion_search(s, 0, &mx, &my, P, pred_x, pred_y, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
- &s->last_picture, s->p_mv_table, (1<<16)>>shift, mv_penalty);
-
- s->p_mv_table[xy][0] = mx<<shift;
- s->p_mv_table[xy][1] = my<<shift;
-
- return dmin;
-}
-
-static int ff_estimate_motion_b(MpegEncContext * s,
- int mb_x, int mb_y, int16_t (*mv_table)[2], Picture *picture, int f_code)
-{
- int mx, my, range, dmin;
- int xmin, ymin, xmax, ymax;
- int rel_xmin, rel_ymin, rel_xmax, rel_ymax;
- int pred_x=0, pred_y=0;
- 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 ref_picture= picture->data[0];
- uint8_t * const mv_penalty= s->me.mv_penalty[f_code] + MAX_MV;
- int mv_scale;
-
- s->me.penalty_factor = get_penalty_factor(s, s->avctx->me_cmp);
- s->me.sub_penalty_factor= get_penalty_factor(s, s->avctx->me_sub_cmp);
- s->me.mb_penalty_factor = get_penalty_factor(s, s->avctx->mb_cmp);
-
- get_limits(s, &range, &xmin, &ymin, &xmax, &ymax);
- rel_xmin= xmin - mb_x*16;
- rel_xmax= xmax - mb_x*16;
- rel_ymin= ymin - mb_y*16;
- rel_ymax= ymax - mb_y*16;
-
- switch(s->me_method) {
- case ME_ZERO:
- default:
- no_motion_search(s, &mx, &my);
- dmin = 0;
- mx-= mb_x*16;
- my-= mb_y*16;
- break;
- case ME_FULL:
- dmin = full_motion_search(s, &mx, &my, range, xmin, ymin, xmax, ymax, ref_picture);
- mx-= mb_x*16;
- my-= mb_y*16;
- break;
- case ME_LOG:
- dmin = log_motion_search(s, &mx, &my, range / 2, xmin, ymin, xmax, ymax, ref_picture);
- mx-= mb_x*16;
- my-= mb_y*16;
- break;
- case ME_PHODS:
- dmin = phods_motion_search(s, &mx, &my, range / 2, xmin, ymin, xmax, ymax, ref_picture);
- mx-= mb_x*16;
- my-= mb_y*16;
- 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] > (rel_xmax<<shift)) P_LEFT[0] = (rel_xmax<<shift);
-
- /* special case for first line */
- if (mb_y) {
- 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] > (rel_ymax<<shift)) P_TOP[1]= (rel_ymax<<shift);
- if(P_TOPRIGHT[0] < (rel_xmin<<shift)) P_TOPRIGHT[0]= (rel_xmin<<shift);
- if(P_TOPRIGHT[1] > (rel_ymax<<shift)) P_TOPRIGHT[1]= (rel_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]);
- }
- pred_x= P_LEFT[0];
- 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 = s->me.motion_search[0](s, 0, &mx, &my, P, pred_x, pred_y, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
- picture, s->p_mv_table, mv_scale, mv_penalty);
-
- break;
- }
-
- dmin= s->me.sub_motion_search(s, &mx, &my, dmin, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
- pred_x, pred_y, picture, 0, 0, mv_penalty);
-
- if(s->avctx->me_sub_cmp != s->avctx->mb_cmp && !s->me.skip)
- dmin= s->me.get_mb_score(s, mx, my, pred_x, pred_y, picture, mv_penalty);
-
-//printf("%d %d %d %d//", s->mb_x, s->mb_y, mx, my);
-// 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 mb_x, int mb_y,
- int motion_fx, int motion_fy,
- int motion_bx, int motion_by,
- int pred_fx, int pred_fy,
- int pred_bx, int pred_by)
-{
- //FIXME optimize?
- //FIXME move into template?
- //FIXME better f_code prediction (max mv & distance)
- uint8_t * const mv_penalty= s->me.mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame
- uint8_t *dest_y = s->me.scratchpad;
- uint8_t *ptr;
- int dxy;
- int src_x, src_y;
- int fbmin;
-
- if(s->quarter_sample){
- dxy = ((motion_fy & 3) << 2) | (motion_fx & 3);
- src_x = mb_x * 16 + (motion_fx >> 2);
- src_y = mb_y * 16 + (motion_fy >> 2);
- assert(src_x >=-16 && src_x<=s->h_edge_pos);
- assert(src_y >=-16 && src_y<=s->v_edge_pos);
-
- ptr = s->last_picture.data[0] + (src_y * s->linesize) + src_x;
- s->dsp.put_qpel_pixels_tab[0][dxy](dest_y , ptr , s->linesize);
-
- dxy = ((motion_by & 3) << 2) | (motion_bx & 3);
- src_x = mb_x * 16 + (motion_bx >> 2);
- src_y = mb_y * 16 + (motion_by >> 2);
- assert(src_x >=-16 && src_x<=s->h_edge_pos);
- assert(src_y >=-16 && src_y<=s->v_edge_pos);
-
- ptr = s->next_picture.data[0] + (src_y * s->linesize) + src_x;
- s->dsp.avg_qpel_pixels_tab[0][dxy](dest_y , ptr , s->linesize);
- }else{
- dxy = ((motion_fy & 1) << 1) | (motion_fx & 1);
- src_x = mb_x * 16 + (motion_fx >> 1);
- src_y = mb_y * 16 + (motion_fy >> 1);
- assert(src_x >=-16 && src_x<=s->h_edge_pos);
- assert(src_y >=-16 && src_y<=s->v_edge_pos);
-
- ptr = s->last_picture.data[0] + (src_y * s->linesize) + src_x;
- s->dsp.put_pixels_tab[0][dxy](dest_y , ptr , s->linesize, 16);
-
- dxy = ((motion_by & 1) << 1) | (motion_bx & 1);
- src_x = mb_x * 16 + (motion_bx >> 1);
- src_y = mb_y * 16 + (motion_by >> 1);
- assert(src_x >=-16 && src_x<=s->h_edge_pos);
- assert(src_y >=-16 && src_y<=s->v_edge_pos);
-
- ptr = s->next_picture.data[0] + (src_y * s->linesize) + src_x;
- s->dsp.avg_pixels_tab[0][dxy](dest_y , ptr , s->linesize, 16);
- }
-
- fbmin = (mv_penalty[motion_fx-pred_fx] + mv_penalty[motion_fy-pred_fy])*s->me.mb_penalty_factor
- +(mv_penalty[motion_bx-pred_bx] + mv_penalty[motion_by-pred_by])*s->me.mb_penalty_factor
- + s->dsp.mb_cmp[0](s, s->new_picture.data[0] + mb_x*16 + mb_y*16*s->linesize, dest_y, s->linesize);
-
- if(s->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)
-{
- 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];
-
- //FIXME do refinement and add flag
-
- fbmin= check_bidir_mv(s, mb_x, mb_y,
- motion_fx, motion_fy,
- motion_bx, motion_by,
- pred_fx, pred_fy,
- pred_bx, pred_by);
-
- return fbmin;
-}
-
-static inline int direct_search(MpegEncContext * s,
- int mb_x, int mb_y)
-{
- 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;
- uint8_t * const mv_penalty= s->me.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;
-
- s->me.co_located_mv[i][0]= s->motion_val[index][0];
- s->me.co_located_mv[i][1]= s->motion_val[index][1];
- s->me.direct_basis_mv[i][0]= s->me.co_located_mv[i][0]*time_pb/time_pp + ((i& 1)<<(shift+3));
- s->me.direct_basis_mv[i][1]= s->me.co_located_mv[i][1]*time_pb/time_pp + ((i>>1)<<(shift+3));
-// s->me.direct_basis_mv[1][i][0]= s->me.co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(shift+3);
-// s->me.direct_basis_mv[1][i][1]= s->me.co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(shift+3);
-
- max= FFMAX(s->me.direct_basis_mv[i][0], s->me.direct_basis_mv[i][0] - s->me.co_located_mv[i][0])>>shift;
- min= FFMIN(s->me.direct_basis_mv[i][0], s->me.direct_basis_mv[i][0] - s->me.co_located_mv[i][0])>>shift;
- max+= (2*mb_x + (i& 1))*8 + 1; // +-1 is for the simpler rounding
- min+= (2*mb_x + (i& 1))*8 - 1;
- xmax= FFMIN(xmax, s->width - max);
- xmin= FFMAX(xmin, - 16 - min);
-
- max= FFMAX(s->me.direct_basis_mv[i][1], s->me.direct_basis_mv[i][1] - s->me.co_located_mv[i][1])>>shift;
- min= FFMIN(s->me.direct_basis_mv[i][1], s->me.direct_basis_mv[i][1] - s->me.co_located_mv[i][1])>>shift;
- max+= (2*mb_y + (i>>1))*8 + 1; // +-1 is for the simpler rounding
- min+= (2*mb_y + (i>>1))*8 - 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;
- }
-
- P_LEFT[0] = clip(mv_table[mot_xy - 1][0], xmin<<shift, xmax<<shift);
- P_LEFT[1] = clip(mv_table[mot_xy - 1][1], ymin<<shift, ymax<<shift);
-
- /* special case for first line */
- if (mb_y) {
- P_TOP[0] = clip(mv_table[mot_xy - mot_stride ][0], xmin<<shift, xmax<<shift);
- P_TOP[1] = clip(mv_table[mot_xy - mot_stride ][1], ymin<<shift, ymax<<shift);
- P_TOPRIGHT[0] = clip(mv_table[mot_xy - mot_stride + 1 ][0], xmin<<shift, xmax<<shift);
- P_TOPRIGHT[1] = 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]);
- }
-
- //FIXME direct_search ptr in context!!! (needed for chroma anyway or this will get messy)
- if(s->flags&CODEC_FLAG_QPEL){
- dmin = simple_direct_qpel_epzs_motion_search(s, 0, &mx, &my, P, 0, 0, xmin, ymin, xmax, ymax,
- &s->last_picture, mv_table, 1<<14, mv_penalty);
- dmin = simple_direct_qpel_qpel_motion_search(s, &mx, &my, dmin, xmin, ymin, xmax, ymax,
- 0, 0, &s->last_picture, 0, 0, mv_penalty);
-
- if(s->avctx->me_sub_cmp != s->avctx->mb_cmp && !s->me.skip)
- dmin= simple_direct_qpel_qpel_get_mb_score(s, mx, my, 0, 0, &s->last_picture, mv_penalty);
- }else{
- dmin = simple_direct_hpel_epzs_motion_search(s, 0, &mx, &my, P, 0, 0, xmin, ymin, xmax, ymax,
- &s->last_picture, mv_table, 1<<15, mv_penalty);
- dmin = simple_direct_hpel_hpel_motion_search(s, &mx, &my, dmin, xmin, ymin, xmax, ymax,
- 0, 0, &s->last_picture, 0, 0, mv_penalty);
-
- if(s->avctx->me_sub_cmp != s->avctx->mb_cmp && !s->me.skip)
- dmin= simple_direct_hpel_hpel_get_mb_score(s, mx, my, 0, 0, &s->last_picture, mv_penalty);
- }
-
- s->b_direct_mv_table[mot_xy][0]= mx;
- s->b_direct_mv_table[mot_xy][1]= my;
- return dmin;
-}
-
-void ff_estimate_b_frame_motion(MpegEncContext * s,
- int mb_x, int mb_y)
-{
- const int penalty_factor= s->me.mb_penalty_factor;
- int fmin, bmin, dmin, fbmin;
- int type=0;
-
- s->me.skip=0;
- if (s->codec_id == CODEC_ID_MPEG4)
- dmin= direct_search(s, mb_x, mb_y);
- else
- dmin= INT_MAX;
-
- s->me.skip=0;
- fmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, &s->last_picture, s->f_code) + 3*penalty_factor;
-
- s->me.skip=0;
- bmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, &s->next_picture, s->b_code) + 2*penalty_factor;
-//printf(" %d %d ", s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1]);
-
- s->me.skip=0;
- fbmin= bidir_refine(s, mb_x, mb_y) + penalty_factor;
-//printf("%d %d %d %d\n", dmin, fmin, bmin, fbmin);
- {
- int score= fmin;
- type = MB_TYPE_FORWARD;
-
- if (dmin <= score){
- score = dmin;
- type = MB_TYPE_DIRECT;
- }
- if(bmin<score){
- score=bmin;
- type= MB_TYPE_BACKWARD;
- }
- if(fbmin<score){
- score=fbmin;
- type= MB_TYPE_BIDIR;
- }
-
- score= ((unsigned)(score*score + 128*256))>>16;
- s->current_picture.mc_mb_var_sum += score;
- s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE
- }
-
- if(s->avctx->mb_decision > FF_MB_DECISION_SIMPLE){
- type= MB_TYPE_FORWARD | MB_TYPE_BACKWARD | MB_TYPE_BIDIR | MB_TYPE_DIRECT; //FIXME something smarter
- if(dmin>256*256*16) type&= ~MB_TYPE_DIRECT; //dont try direct mode if its invalid for this MB
- }
-
- 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;
- uint8_t * fcode_tab= s->fcode_tab;
- int best_fcode=-1;
- int best_score=-10000000;
-
- 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 fcode= FFMAX(fcode_tab[mv_table[xy][0] + MAX_MV],
- fcode_tab[mv_table[xy][1] + MAX_MV]);
- int j;
-
- for(j=0; j<fcode && j<8; j++){
- if(s->pict_type==B_TYPE || 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;
- }
-// printf("%d %d\n", i, score[i]);
- }
-
-// printf("fcode: %d type: %d\n", i, s->pict_type);
- return best_fcode;
-/* for(i=0; i<=MAX_FCODE; i++){
- printf("%d ", mv_num[i]);
- }
- printf("\n");*/
- }else{
- return 1;
- }
-}
-
-void ff_fix_long_p_mvs(MpegEncContext * s)
-{
- const int f_code= s->f_code;
- int y, range;
- assert(s->pict_type==P_TYPE);
-
- range = (((s->out_format == FMT_MPEG1) ? 8 : 16) << f_code);
-
- if(s->msmpeg4_version) range= 16;
-
- if(s->avctx->me_range && range > s->avctx->me_range) range= s->avctx->me_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]&MB_TYPE_INTER){
- if( s->p_mv_table[xy][0] >=range || s->p_mv_table[xy][0] <-range
- || s->p_mv_table[xy][1] >=range || s->p_mv_table[xy][1] <-range){
- s->mb_type[xy] &= ~MB_TYPE_INTER;
- s->mb_type[xy] |= MB_TYPE_INTRA;
- s->p_mv_table[xy][0] = 0;
- s->p_mv_table[xy][1] = 0;
- }
- }
- xy++;
- }
- }
-//printf("%d no:%d %d//\n", clip, noclip, f_code);
- if(s->flags&CODEC_FLAG_4MV){
- const int wrap= 2+ s->mb_width*2;
-
- /* clip / convert to intra 8x8 type MVs */
- for(y=0; y<s->mb_height; y++){
- int xy= (y*2 + 1)*wrap + 1;
- int i= y*s->mb_stride;
- int x;
-
- for(x=0; x<s->mb_width; x++){
- if(s->mb_type[i]&MB_TYPE_INTER4V){
- int block;
- for(block=0; block<4; block++){
- int off= (block& 1) + (block>>1)*wrap;
- int mx= s->motion_val[ xy + off ][0];
- int my= s->motion_val[ xy + off ][1];
-
- if( mx >=range || mx <-range
- || my >=range || my <-range){
- s->mb_type[i] &= ~MB_TYPE_INTER4V;
- s->mb_type[i] |= MB_TYPE_INTRA;
- }
- }
- }
- xy+=2;
- i++;
- }
- }
- }
-}
-
-void ff_fix_long_b_mvs(MpegEncContext * s, int16_t (*mv_table)[2], int f_code, int type)
-{
- int y;
-
- // RAL: 8 in MPEG-1, 16 in MPEG-4
- int range = (((s->out_format == FMT_MPEG1) ? 8 : 16) << f_code);
-
- if(s->avctx->me_range && range > s->avctx->me_range) range= s->avctx->me_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( mv_table[xy][0] >=range || mv_table[xy][0] <-range
- || mv_table[xy][1] >=range || mv_table[xy][1] <-range){
-
- if(s->codec_id == CODEC_ID_MPEG1VIDEO && 0){
- }else{
- if (mv_table[xy][0] > range-1) mv_table[xy][0]= range-1;
- else if(mv_table[xy][0] < -range ) mv_table[xy][0]= -range;
- if (mv_table[xy][1] > range-1) mv_table[xy][1]= range-1;
- else if(mv_table[xy][1] < -range ) mv_table[xy][1]= -range;
- }
- }
- }
- xy++;
- }
- }
-}
projects / synfig.git / blobdiff