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- /*
- * Motion estimation
- * Copyright (c) 2000,2001 Fabrice Bellard.
- * Copyright (c) 2002-2004 Michael Niedermayer
- *
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * 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 src_index, int ref_index,
- int size, int h);
- static inline int update_map_generation(MotionEstContext *c)
- {
- c->map_generation+= 1<<(ME_MAP_MV_BITS*2);
- if(c->map_generation==0){
- c->map_generation= 1<<(ME_MAP_MV_BITS*2);
- memset(c->map, 0, sizeof(uint32_t)*ME_MAP_SIZE);
- }
- return c->map_generation;
- }
- /* shape adaptive search stuff */
- typedef struct Minima{
- int height;
- int x, y;
- int checked;
- }Minima;
- static int minima_cmp(const void *a, const void *b){
- const Minima *da = (const Minima *) a;
- const Minima *db = (const Minima *) b;
- return da->height - db->height;
- }
- #define FLAG_QPEL 1 //must be 1
- #define FLAG_CHROMA 2
- #define FLAG_DIRECT 4
- static inline void init_ref(MotionEstContext *c, uint8_t *src[3], uint8_t *ref[3], uint8_t *ref2[3], int x, int y, int ref_index){
- const int offset[3]= {
- y*c-> stride + x,
- ((y*c->uvstride + x)>>1),
- ((y*c->uvstride + x)>>1),
- };
- int i;
- for(i=0; i<3; i++){
- c->src[0][i]= src [i] + offset[i];
- c->ref[0][i]= ref [i] + offset[i];
- }
- if(ref_index){
- for(i=0; i<3; i++){
- c->ref[ref_index][i]= ref2[i] + offset[i];
- }
- }
- }
- static int get_flags(MotionEstContext *c, int direct, int chroma){
- return ((c->avctx->flags&CODEC_FLAG_QPEL) ? FLAG_QPEL : 0)
- + (direct ? FLAG_DIRECT : 0)
- + (chroma ? FLAG_CHROMA : 0);
- }
- /*! \brief compares a block (either a full macroblock or a partition thereof)
- against a proposed motion-compensated prediction of that block
- */
- static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
- const int size, const int h, int ref_index, int src_index,
- me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
- MotionEstContext * const c= &s->me;
- const int stride= c->stride;
- const int uvstride= c->uvstride;
- const int qpel= flags&FLAG_QPEL;
- const int chroma= flags&FLAG_CHROMA;
- const int dxy= subx + (suby<<(1+qpel)); //FIXME log2_subpel?
- const int hx= subx + (x<<(1+qpel));
- const int hy= suby + (y<<(1+qpel));
- uint8_t * const * const ref= c->ref[ref_index];
- uint8_t * const * const src= c->src[src_index];
- int d;
- //FIXME check chroma 4mv, (no crashes ...)
- if(flags&FLAG_DIRECT){
- assert(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1));
- if(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)){
- const int time_pp= s->pp_time;
- const int time_pb= s->pb_time;
- const int mask= 2*qpel+1;
- if(s->mv_type==MV_TYPE_8X8){
- int i;
- for(i=0; i<4; i++){
- int fx = c->direct_basis_mv[i][0] + hx;
- int fy = c->direct_basis_mv[i][1] + hy;
- int bx = hx ? fx - c->co_located_mv[i][0] : c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(qpel+4));
- int by = hy ? fy - c->co_located_mv[i][1] : c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(qpel+4));
- int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
- int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
- uint8_t *dst= c->temp + 8*(i&1) + 8*stride*(i>>1);
- if(qpel){
- c->qpel_put[1][fxy](dst, ref[0] + (fx>>2) + (fy>>2)*stride, stride);
- c->qpel_avg[1][bxy](dst, ref[8] + (bx>>2) + (by>>2)*stride, stride);
- }else{
- c->hpel_put[1][fxy](dst, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 8);
- c->hpel_avg[1][bxy](dst, ref[8] + (bx>>1) + (by>>1)*stride, stride, 8);
- }
- }
- }else{
- int fx = c->direct_basis_mv[0][0] + hx;
- int fy = c->direct_basis_mv[0][1] + hy;
- int bx = hx ? fx - c->co_located_mv[0][0] : (c->co_located_mv[0][0]*(time_pb - time_pp)/time_pp);
- int by = hy ? fy - c->co_located_mv[0][1] : (c->co_located_mv[0][1]*(time_pb - time_pp)/time_pp);
- int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
- int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
- if(qpel){
- c->qpel_put[1][fxy](c->temp , ref[0] + (fx>>2) + (fy>>2)*stride , stride);
- c->qpel_put[1][fxy](c->temp + 8 , ref[0] + (fx>>2) + (fy>>2)*stride + 8 , stride);
- c->qpel_put[1][fxy](c->temp + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8*stride, stride);
- c->qpel_put[1][fxy](c->temp + 8 + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8 + 8*stride, stride);
- c->qpel_avg[1][bxy](c->temp , ref[8] + (bx>>2) + (by>>2)*stride , stride);
- c->qpel_avg[1][bxy](c->temp + 8 , ref[8] + (bx>>2) + (by>>2)*stride + 8 , stride);
- c->qpel_avg[1][bxy](c->temp + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8*stride, stride);
- c->qpel_avg[1][bxy](c->temp + 8 + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8 + 8*stride, stride);
- }else{
- 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);
- c->hpel_put[0][fxy](c->temp, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 16);
- c->hpel_avg[0][bxy](c->temp, ref[8] + (bx>>1) + (by>>1)*stride, stride, 16);
- }
- }
- d = cmp_func(s, c->temp, src[0], stride, 16);
- }else
- d= 256*256*256*32;
- }else{
- int uvdxy; /* no, it might not be used uninitialized */
- if(dxy){
- if(qpel){
- c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride); //FIXME prototype (add h)
- if(chroma){
- int cx= hx/2;
- int cy= hy/2;
- cx= (cx>>1)|(cx&1);
- cy= (cy>>1)|(cy&1);
- uvdxy= (cx&1) + 2*(cy&1);
- //FIXME x/y wrong, but mpeg4 qpel is sick anyway, we should drop as much of it as possible in favor for h264
- }
- }else{
- c->hpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride, h);
- if(chroma)
- uvdxy= dxy | (x&1) | (2*(y&1));
- }
- d = cmp_func(s, c->temp, src[0], stride, h);
- }else{
- d = cmp_func(s, src[0], ref[0] + x + y*stride, stride, h);
- if(chroma)
- uvdxy= (x&1) + 2*(y&1);
- }
- if(chroma){
- uint8_t * const uvtemp= c->temp + 16*stride;
- c->hpel_put[size+1][uvdxy](uvtemp , ref[1] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
- c->hpel_put[size+1][uvdxy](uvtemp+8, ref[2] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
- d += chroma_cmp_func(s, uvtemp , src[1], uvstride, h>>1);
- d += chroma_cmp_func(s, uvtemp+8, src[2], uvstride, h>>1);
- }
- }
- #if 0
- if(full_pel){
- const int index= (((y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1);
- score_map[index]= d;
- }
- d += (c->mv_penalty[hx - c->pred_x] + c->mv_penalty[hy - c->pred_y])*c->penalty_factor;
- #endif
- return d;
- }
- #include "motion_est_template.c"
- static int zero_cmp(void *s, uint8_t *a, uint8_t *b, int stride, int h){
- return 0;
- }
- static void zero_hpel(uint8_t *a, const uint8_t *b, int stride, int h){
- }
- void ff_init_me(MpegEncContext *s){
- MotionEstContext * const c= &s->me;
- int cache_size= FFMIN(ME_MAP_SIZE>>ME_MAP_SHIFT, 1<<ME_MAP_SHIFT);
- int dia_size= FFMAX(FFABS(s->avctx->dia_size)&255, FFABS(s->avctx->pre_dia_size)&255);
- c->avctx= s->avctx;
- if(cache_size < 2*dia_size && !c->stride){
- av_log(s->avctx, AV_LOG_INFO, "ME_MAP size may be a little small for the selected diamond size\n");
- }
- ff_set_cmp(&s->dsp, s->dsp.me_pre_cmp, c->avctx->me_pre_cmp);
- ff_set_cmp(&s->dsp, s->dsp.me_cmp, c->avctx->me_cmp);
- ff_set_cmp(&s->dsp, s->dsp.me_sub_cmp, c->avctx->me_sub_cmp);
- ff_set_cmp(&s->dsp, s->dsp.mb_cmp, c->avctx->mb_cmp);
- c->flags = get_flags(c, 0, c->avctx->me_cmp &FF_CMP_CHROMA);
- c->sub_flags= get_flags(c, 0, c->avctx->me_sub_cmp&FF_CMP_CHROMA);
- c->mb_flags = get_flags(c, 0, c->avctx->mb_cmp &FF_CMP_CHROMA);
- /*FIXME s->no_rounding b_type*/
- if(s->flags&CODEC_FLAG_QPEL){
- c->sub_motion_search= qpel_motion_search;
- c->qpel_avg= s->dsp.avg_qpel_pixels_tab;
- if(s->no_rounding) c->qpel_put= s->dsp.put_no_rnd_qpel_pixels_tab;
- else c->qpel_put= s->dsp.put_qpel_pixels_tab;
- }else{
- if(c->avctx->me_sub_cmp&FF_CMP_CHROMA)
- c->sub_motion_search= hpel_motion_search;
- else if( c->avctx->me_sub_cmp == FF_CMP_SAD
- && c->avctx-> me_cmp == FF_CMP_SAD
- && c->avctx-> mb_cmp == FF_CMP_SAD)
- c->sub_motion_search= sad_hpel_motion_search; // 2050 vs. 2450 cycles
- else
- c->sub_motion_search= hpel_motion_search;
- }
- c->hpel_avg= s->dsp.avg_pixels_tab;
- if(s->no_rounding) c->hpel_put= s->dsp.put_no_rnd_pixels_tab;
- else c->hpel_put= s->dsp.put_pixels_tab;
- if(s->linesize){
- c->stride = s->linesize;
- c->uvstride= s->uvlinesize;
- }else{
- c->stride = 16*s->mb_width + 32;
- c->uvstride= 8*s->mb_width + 16;
- }
- // 8x8 fullpel search would need a 4x4 chroma compare, which we dont have yet, and even if we had the motion estimation code doesnt expect it
- if(s->codec_id != CODEC_ID_SNOW){
- if((c->avctx->me_cmp&FF_CMP_CHROMA)/* && !s->dsp.me_cmp[2]*/){
- s->dsp.me_cmp[2]= zero_cmp;
- }
- if((c->avctx->me_sub_cmp&FF_CMP_CHROMA) && !s->dsp.me_sub_cmp[2]){
- s->dsp.me_sub_cmp[2]= zero_cmp;
- }
- c->hpel_put[2][0]= c->hpel_put[2][1]=
- c->hpel_put[2][2]= c->hpel_put[2][3]= zero_hpel;
- }
- if(s->codec_id == CODEC_ID_H261){
- c->sub_motion_search= no_sub_motion_search;
- }
- c->temp= c->scratchpad;
- }
- #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 += FFABS(pix[0]-mean);
- s += FFABS(pix[1]-mean);
- s += FFABS(pix[2]-mean);
- s += FFABS(pix[3]-mean);
- s += FFABS(pix[4]-mean);
- s += FFABS(pix[5]-mean);
- s += FFABS(pix[6]-mean);
- s += FFABS(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;
- }
- #if 0 /* the use of these functions is inside #if 0 */
- 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_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x,
- s->linesize, 16);
- 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)) {
- av_log(NULL, AV_LOG_ERROR, "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_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x, s->linesize, 16);
- 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
- av_log(s->avctx, AV_LOG_DEBUG, "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_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x, s->linesize, 16);
- 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_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x, s->linesize, 16);
- 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
- av_log(s->avctx, AV_LOG_DEBUG, "phods - MX: %d\tMY: %d\n", mx, my);
- #endif
- /* half pixel search */
- *mx_ptr = mx;
- *my_ptr = my;
- return dminy;
- }
- #endif /* 0 */
- #define Z_THRESHOLD 256
- #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 inline 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){
- // printf("S");
- *mx_ptr = 0;
- *my_ptr = 0;
- return dmin;
- }
- // printf("N");
- 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->dsp.put_no_rnd_pixels_tab[1][dxy](dest_y , ref , stride, h);
- else
- s->dsp.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.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->dsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad , s->last_picture.data[1] + offset, s->uvlinesize, 8);
- s->dsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad+8 , s->last_picture.data[2] + offset, s->uvlinesize, 8);
- }else{
- s->dsp.put_pixels_tab [1][dxy](c->scratchpad , s->last_picture.data[1] + offset, s->uvlinesize, 8);
- s->dsp.put_pixels_tab [1][dxy](c->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, c->scratchpad , s->uvlinesize, 8);
- dmin_sum += s->dsp.mb_cmp[1](s, s->new_picture.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->dsp.put_no_rnd_pixels_tab[size][dxy](c->scratchpad, ref , stride, h);
- }else{
- s->dsp.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 void clip_input_mv(MpegEncContext * s, int16_t *mv, int interlaced){
- int ymax= s->me.ymax>>interlaced;
- int ymin= s->me.ymin>>interlaced;
- if(mv[0] < s->me.xmin) mv[0] = s->me.xmin;
- if(mv[0] > s->me.xmax) mv[0] = s->me.xmax;
- if(mv[1] < ymin) mv[1] = ymin;
- if(mv[1] > ymax) mv[1] = ymax;
- }
- static inline int check_input_motion(MpegEncContext * s, int mb_x, int mb_y, int p_type){
- MotionEstContext * const c= &s->me;
- Picture *p= s->current_picture_ptr;
- int mb_xy= mb_x + mb_y*s->mb_stride;
- int xy= 2*mb_x + 2*mb_y*s->b8_stride;
- int mb_type= s->current_picture.mb_type[mb_xy];
- int flags= c->flags;
- int shift= (flags&FLAG_QPEL) + 1;
- int mask= (1<<shift)-1;
- int x, y, i;
- int d=0;
- me_cmp_func cmpf= s->dsp.sse[0];
- me_cmp_func chroma_cmpf= s->dsp.sse[1];
- if(p_type && USES_LIST(mb_type, 1)){
- av_log(c->avctx, AV_LOG_ERROR, "backward motion vector in P frame\n");
- return INT_MAX/2;
- }
- assert(IS_INTRA(mb_type) || USES_LIST(mb_type,0) || USES_LIST(mb_type,1));
- for(i=0; i<4; i++){
- int xy= s->block_index[i];
- clip_input_mv(s, p->motion_val[0][xy], !!IS_INTERLACED(mb_type));
- clip_input_mv(s, p->motion_val[1][xy], !!IS_INTERLACED(mb_type));
- }
- if(IS_INTERLACED(mb_type)){
- int xy2= xy + s->b8_stride;
- s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTRA;
- c->stride<<=1;
- c->uvstride<<=1;
- if(!(s->flags & CODEC_FLAG_INTERLACED_ME)){
- av_log(c->avctx, AV_LOG_ERROR, "Interlaced macroblock selected but interlaced motion estimation disabled\n");
- return INT_MAX/2;
- }
- if(USES_LIST(mb_type, 0)){
- int field_select0= p->ref_index[0][xy ];
- int field_select1= p->ref_index[0][xy2];
- assert(field_select0==0 ||field_select0==1);
- assert(field_select1==0 ||field_select1==1);
- init_interlaced_ref(s, 0);
- if(p_type){
- s->p_field_select_table[0][mb_xy]= field_select0;
- s->p_field_select_table[1][mb_xy]= field_select1;
- *(uint32_t*)s->p_field_mv_table[0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[0][xy ];
- *(uint32_t*)s->p_field_mv_table[1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[0][xy2];
- s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER_I;
- }else{
- s->b_field_select_table[0][0][mb_xy]= field_select0;
- s->b_field_select_table[0][1][mb_xy]= field_select1;
- *(uint32_t*)s->b_field_mv_table[0][0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[0][xy ];
- *(uint32_t*)s->b_field_mv_table[0][1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[0][xy2];
- s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_FORWARD_I;
- }
- x= p->motion_val[0][xy ][0];
- y= p->motion_val[0][xy ][1];
- d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select0, 0, cmpf, chroma_cmpf, flags);
- x= p->motion_val[0][xy2][0];
- y= p->motion_val[0][xy2][1];
- d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select1, 1, cmpf, chroma_cmpf, flags);
- }
- if(USES_LIST(mb_type, 1)){
- int field_select0= p->ref_index[1][xy ];
- int field_select1= p->ref_index[1][xy2];
- assert(field_select0==0 ||field_select0==1);
- assert(field_select1==0 ||field_select1==1);
- init_interlaced_ref(s, 2);
- s->b_field_select_table[1][0][mb_xy]= field_select0;
- s->b_field_select_table[1][1][mb_xy]= field_select1;
- *(uint32_t*)s->b_field_mv_table[1][0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[1][xy ];
- *(uint32_t*)s->b_field_mv_table[1][1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[1][xy2];
- if(USES_LIST(mb_type, 0)){
- s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_BIDIR_I;
- }else{
- s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_BACKWARD_I;
- }
- x= p->motion_val[1][xy ][0];
- y= p->motion_val[1][xy ][1];
- d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select0+2, 0, cmpf, chroma_cmpf, flags);
- x= p->motion_val[1][xy2][0];
- y= p->motion_val[1][xy2][1];
- d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select1+2, 1, cmpf, chroma_cmpf, flags);
- //FIXME bidir scores
- }
- c->stride>>=1;
- c->uvstride>>=1;
- }else if(IS_8X8(mb_type)){
- if(!(s->flags & CODEC_FLAG_4MV)){
- av_log(c->avctx, AV_LOG_ERROR, "4MV macroblock selected but 4MV encoding disabled\n");
- return INT_MAX/2;
- }
- cmpf= s->dsp.sse[1];
- chroma_cmpf= s->dsp.sse[1];
- init_mv4_ref(c);
- for(i=0; i<4; i++){
- xy= s->block_index[i];
- x= p->motion_val[0][xy][0];
- y= p->motion_val[0][xy][1];
- d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 1, 8, i, i, cmpf, chroma_cmpf, flags);
- }
- s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER4V;
- }else{
- if(USES_LIST(mb_type, 0)){
- if(p_type){
- *(uint32_t*)s->p_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy];
- s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER;
- }else if(USES_LIST(mb_type, 1)){
- *(uint32_t*)s->b_bidir_forw_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy];
- *(uint32_t*)s->b_bidir_back_mv_table[mb_xy]= *(uint32_t*)p->motion_val[1][xy];
- s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_BIDIR;
- }else{
- *(uint32_t*)s->b_forw_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy];
- s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_FORWARD;
- }
- x= p->motion_val[0][xy][0];
- y= p->motion_val[0][xy][1];
- d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 16, 0, 0, cmpf, chroma_cmpf, flags);
- }else if(USES_LIST(mb_type, 1)){
- *(uint32_t*)s->b_back_mv_table[mb_xy]= *(uint32_t*)p->motion_val[1][xy];
- s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_BACKWARD;
- x= p->motion_val[1][xy][0];
- y= p->motion_val[1][xy][1];
- d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 16, 2, 0, cmpf, chroma_cmpf, flags);
- }else
- s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTRA;
- }
- return d;
- }
- 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.data, s->last_picture.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;
- if(c->avctx->me_threshold){
- vard= check_input_motion(s, mb_x, mb_y, 1);
- if((vard+128)>>8 < c->avctx->me_threshold){
- int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100);
- int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20;
- pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = (vard+128)>>8;
- c->mc_mb_var_sum_temp += (vard+128)>>8;
- c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score);
- return;
- }
- if((vard+128)>>8 < c->avctx->mb_threshold)
- mb_type= s->mb_type[mb_x + mb_y*s->mb_stride];
- }
- 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;
- #if 0
- case ME_FULL:
- dmin = full_motion_search(s, &mx, &my, range, ref_picture);
- mx-= mb_x*16;
- my-= mb_y*16;
- break;
- case ME_LOG:
- dmin = log_motion_search(s, &mx, &my, range / 2, ref_picture);
- mx-= mb_x*16;
- my-= mb_y*16;
- break;
- case ME_PHODS:
- dmin = phods_motion_search(s, &mx, &my, range / 2, ref_picture);
- mx-= mb_x*16;
- my-= mb_y*16;
- break;
- #endif
- 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;
- // pic->mb_cmp_score[s->mb_stride * mb_y + mb_x] = dmin;
- c->mc_mb_var_sum_temp += (vard+128)>>8;
- #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(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= ff_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;
- }
- }
- // pic->mb_cmp_score[s->mb_stride * mb_y + mb_x] = dmin;
- 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{
- int 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);
- }
- #if 0 //FIXME
- /* get chroma score */
- if(c->avctx->mb_cmp&FF_CMP_CHROMA){
- for(i=1; i<3; i++){
- uint8_t *dest_c;
- int mean;
- if(s->out_format == FMT_H263){
- mean= (s->dc_val[i][mb_x + mb_y*s->b8_stride] + 4)>>3; //FIXME not exact but simple ;)
- }else{
- mean= (s->last_dc[i] + 4)>>3;
- }
- dest_c = s->new_picture.data[i] + (mb_y * 8 * (s->uvlinesize)) + mb_x * 8;
- mean*= 0x01010101;
- for(i=0; i<8; i++){
- *(uint32_t*)(&c->scratchpad[i*s->uvlinesize+ 0]) = mean;
- *(uint32_t*)(&c->scratchpad[i*s->uvlinesize+ 4]) = mean;
- }
- intra_score+= s->dsp.mb_cmp[1](s, c->scratchpad, dest_c, s->uvlinesize);
- }
- }
- #endif
- 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.data, s->last_picture.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 ff_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:
- no_motion_search(s, &mx, &my);
- dmin = 0;
- mx-= mb_x*16;
- my-= mb_y*16;
- break;
- #if 0
- case ME_FULL:
- dmin = full_motion_search(s, &mx, &my, range, ref_picture);
- mx-= mb_x*16;
- my-= mb_y*16;
- break;
- case ME_LOG:
- dmin = log_motion_search(s, &mx, &my, range / 2, ref_picture);
- mx-= mb_x*16;
- my-= mb_y*16;
- break;
- case ME_PHODS:
- dmin = phods_motion_search(s, &mx, &my, range / 2, ref_picture);
- mx-= mb_x*16;
- my-= mb_y*16;
- break;
- #endif
- 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= ff_get_mb_score(s, mx, my, 0, ref_index, 0, 16, 1);
- //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 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->dsp.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->dsp.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;
- uint8_t map[8][8][8][8];
- memset(map,0,sizeof(map));
- #define BIDIR_MAP(fx,fy,bx,by) \
- map[(motion_fx+fx)&7][(motion_fy+fy)&7][(motion_bx+bx)&7][(motion_by+by)&7]
- BIDIR_MAP(0,0,0,0) = 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 score, end;
- #define CHECK_BIDIR(fx,fy,bx,by)\
- if( !BIDIR_MAP(fx,fy,bx,by)\
- &&(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)){\
- BIDIR_MAP(fx,fy,bx,by) = 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){\
- 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))
- #define CHECK_BIDIRR(a,b,c,d)\
- CHECK_BIDIR2(a,b,c,d)\
- CHECK_BIDIR2(b,c,d,a)\
- CHECK_BIDIR2(c,d,a,b)\
- CHECK_BIDIR2(d,a,b,c)
- do{
- end=1;
- CHECK_BIDIRR( 0, 0, 0, 1)
- if(s->avctx->bidir_refine > 1){
- CHECK_BIDIRR( 0, 0, 1, 1)
- CHECK_BIDIR2( 0, 1, 0, 1)
- CHECK_BIDIR2( 1, 0, 1, 0)
- CHECK_BIDIRR( 0, 0,-1, 1)
- CHECK_BIDIR2( 0,-1, 0, 1)
- CHECK_BIDIR2(-1, 0, 1, 0)
- if(s->avctx->bidir_refine > 2){
- CHECK_BIDIRR( 0, 1, 1, 1)
- CHECK_BIDIRR( 0,-1, 1, 1)
- CHECK_BIDIRR( 0, 1,-1, 1)
- CHECK_BIDIRR( 0, 1, 1,-1)
- if(s->avctx->bidir_refine > 3){
- CHECK_BIDIR2( 1, 1, 1, 1)
- CHECK_BIDIRR( 1, 1, 1,-1)
- CHECK_BIDIR2( 1, 1,-1,-1)
- CHECK_BIDIR2( 1,-1,-1, 1)
- CHECK_BIDIR2( 1,-1, 1,-1)
- }
- }
- }
- }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 its 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= ff_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.data, s->last_picture.data, s->next_picture.data, 16*mb_x, 16*mb_y, 2);
- get_limits(s, 16*mb_x, 16*mb_y);
- c->skip=0;
- if(s->codec_id == 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(c->avctx->me_threshold){
- int vard= check_input_motion(s, mb_x, mb_y, 0);
- if((vard+128)>>8 < c->avctx->me_threshold){
- // 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_var [s->mb_stride * mb_y + mb_x] = (varc+128)>>8;
- s->current_picture.mc_mb_var[s->mb_stride * mb_y + mb_x] = (vard+128)>>8;
- /* pic->mb_mean [s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
- c->mb_var_sum_temp += (varc+128)>>8;*/
- c->mc_mb_var_sum_temp += (vard+128)>>8;
- /* if (vard <= 64<<8 || vard < varc) {
- c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
- }else{
- c->scene_change_score+= s->qscale * s->avctx->scenechange_factor;
- }*/
- return;
- }
- if((vard+128)>>8 < c->avctx->mb_threshold){
- type= s->mb_type[mb_y*s->mb_stride + mb_x];
- if(type == CANDIDATE_MB_TYPE_DIRECT){
- direct_search(s, mb_x, mb_y);
- }
- if(type == CANDIDATE_MB_TYPE_FORWARD || type == CANDIDATE_MB_TYPE_BIDIR){
- c->skip=0;
- ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code);
- }
- if(type == CANDIDATE_MB_TYPE_BACKWARD || type == CANDIDATE_MB_TYPE_BIDIR){
- c->skip=0;
- ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code);
- }
- if(type == CANDIDATE_MB_TYPE_FORWARD_I || type == CANDIDATE_MB_TYPE_BIDIR_I){
- c->skip=0;
- c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
- 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], 1);
- }
- if(type == CANDIDATE_MB_TYPE_BACKWARD_I || type == CANDIDATE_MB_TYPE_BIDIR_I){
- c->skip=0;
- c->current_mv_penalty= c->mv_penalty[s->b_code] + MAX_MV;
- 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], 1);
- }
- return;
- }
- }
- if (s->codec_id == 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= ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code) + 3*penalty_factor;
- c->skip=0;
- bmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code) + 2*penalty_factor;
- //printf(" %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;
- //printf("%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; //dont try direct mode if its invalid for this MB
- if(s->codec_id == 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;
- #if 0
- if(s->out_format == FMT_MPEG1)
- type |= CANDIDATE_MB_TYPE_INTRA;
- #endif
- }
- 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 == 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==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)
- {
- MotionEstContext * const c= &s->me;
- const int f_code= s->f_code;
- int y, range;
- assert(s->pict_type==P_TYPE);
- 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 == 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;
- //printf("%d no:%d %d//\n", clip, noclip, f_code);
- 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++;
- }
- }
- }
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