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-rw-r--r--ffmpeg/libavcodec/motion_est.c1759
1 files changed, 1759 insertions, 0 deletions
diff --git a/ffmpeg/libavcodec/motion_est.c b/ffmpeg/libavcodec/motion_est.c
new file mode 100644
index 0000000..dc8e39b
--- /dev/null
+++ b/ffmpeg/libavcodec/motion_est.c
@@ -0,0 +1,1759 @@
+/*
+ * Motion estimation
+ * Copyright (c) 2000,2001 Fabrice Bellard
+ * Copyright (c) 2002-2004 Michael Niedermayer
+ *
+ * new motion estimation (X1/EPZS) by Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * Motion estimation.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <limits.h>
+
+#include "avcodec.h"
+#include "mathops.h"
+#include "mpegvideo.h"
+
+#undef NDEBUG
+#include <assert.h>
+
+#define P_LEFT P[1]
+#define P_TOP P[2]
+#define P_TOPRIGHT P[3]
+#define P_MEDIAN P[4]
+#define P_MV1 P[9]
+
+static int sad_hpel_motion_search(MpegEncContext * s,
+ int *mx_ptr, int *my_ptr, int dmin,
+ int src_index, int ref_index,
+ int size, int h);
+
+static inline unsigned update_map_generation(MotionEstContext *c)
+{
+ c->map_generation+= 1<<(ME_MAP_MV_BITS*2);
+ if(c->map_generation==0){
+ c->map_generation= 1<<(ME_MAP_MV_BITS*2);
+ memset(c->map, 0, sizeof(uint32_t)*ME_MAP_SIZE);
+ }
+ return c->map_generation;
+}
+
+/* shape adaptive search stuff */
+typedef struct Minima{
+ int height;
+ int x, y;
+ int checked;
+}Minima;
+
+static int minima_cmp(const void *a, const void *b){
+ const Minima *da = (const Minima *) a;
+ const Minima *db = (const Minima *) b;
+
+ return da->height - db->height;
+}
+
+#define FLAG_QPEL 1 //must be 1
+#define FLAG_CHROMA 2
+#define FLAG_DIRECT 4
+
+static inline void init_ref(MotionEstContext *c, uint8_t *src[3], uint8_t *ref[3], uint8_t *ref2[3], int x, int y, int ref_index){
+ const int offset[3]= {
+ y*c-> stride + x,
+ ((y*c->uvstride + x)>>1),
+ ((y*c->uvstride + x)>>1),
+ };
+ int i;
+ for(i=0; i<3; i++){
+ c->src[0][i]= src [i] + offset[i];
+ c->ref[0][i]= ref [i] + offset[i];
+ }
+ if(ref_index){
+ for(i=0; i<3; i++){
+ c->ref[ref_index][i]= ref2[i] + offset[i];
+ }
+ }
+}
+
+static int get_flags(MotionEstContext *c, int direct, int chroma){
+ return ((c->avctx->flags&CODEC_FLAG_QPEL) ? FLAG_QPEL : 0)
+ + (direct ? FLAG_DIRECT : 0)
+ + (chroma ? FLAG_CHROMA : 0);
+}
+
+static av_always_inline int cmp_direct_inline(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
+ const int size, const int h, int ref_index, int src_index,
+ me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, int qpel){
+ MotionEstContext * const c= &s->me;
+ const int stride= c->stride;
+ const int hx= subx + (x<<(1+qpel));
+ const int hy= suby + (y<<(1+qpel));
+ uint8_t * const * const ref= c->ref[ref_index];
+ uint8_t * const * const src= c->src[src_index];
+ int d;
+ //FIXME check chroma 4mv, (no crashes ...)
+ av_assert2(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1));
+ if(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)){
+ const int time_pp= s->pp_time;
+ const int time_pb= s->pb_time;
+ const int mask= 2*qpel+1;
+ if(s->mv_type==MV_TYPE_8X8){
+ int i;
+ for(i=0; i<4; i++){
+ int fx = c->direct_basis_mv[i][0] + hx;
+ int fy = c->direct_basis_mv[i][1] + hy;
+ int bx = hx ? fx - c->co_located_mv[i][0] : c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(qpel+4));
+ int by = hy ? fy - c->co_located_mv[i][1] : c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(qpel+4));
+ int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
+ int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
+
+ uint8_t *dst= c->temp + 8*(i&1) + 8*stride*(i>>1);
+ if(qpel){
+ c->qpel_put[1][fxy](dst, ref[0] + (fx>>2) + (fy>>2)*stride, stride);
+ c->qpel_avg[1][bxy](dst, ref[8] + (bx>>2) + (by>>2)*stride, stride);
+ }else{
+ c->hpel_put[1][fxy](dst, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 8);
+ c->hpel_avg[1][bxy](dst, ref[8] + (bx>>1) + (by>>1)*stride, stride, 8);
+ }
+ }
+ }else{
+ int fx = c->direct_basis_mv[0][0] + hx;
+ int fy = c->direct_basis_mv[0][1] + hy;
+ int bx = hx ? fx - c->co_located_mv[0][0] : (c->co_located_mv[0][0]*(time_pb - time_pp)/time_pp);
+ int by = hy ? fy - c->co_located_mv[0][1] : (c->co_located_mv[0][1]*(time_pb - time_pp)/time_pp);
+ int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
+ int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
+
+ if(qpel){
+ c->qpel_put[1][fxy](c->temp , ref[0] + (fx>>2) + (fy>>2)*stride , stride);
+ c->qpel_put[1][fxy](c->temp + 8 , ref[0] + (fx>>2) + (fy>>2)*stride + 8 , stride);
+ c->qpel_put[1][fxy](c->temp + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8*stride, stride);
+ c->qpel_put[1][fxy](c->temp + 8 + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8 + 8*stride, stride);
+ c->qpel_avg[1][bxy](c->temp , ref[8] + (bx>>2) + (by>>2)*stride , stride);
+ c->qpel_avg[1][bxy](c->temp + 8 , ref[8] + (bx>>2) + (by>>2)*stride + 8 , stride);
+ c->qpel_avg[1][bxy](c->temp + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8*stride, stride);
+ c->qpel_avg[1][bxy](c->temp + 8 + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8 + 8*stride, stride);
+ }else{
+ av_assert2((fx>>1) + 16*s->mb_x >= -16);
+ av_assert2((fy>>1) + 16*s->mb_y >= -16);
+ av_assert2((fx>>1) + 16*s->mb_x <= s->width);
+ av_assert2((fy>>1) + 16*s->mb_y <= s->height);
+ av_assert2((bx>>1) + 16*s->mb_x >= -16);
+ av_assert2((by>>1) + 16*s->mb_y >= -16);
+ av_assert2((bx>>1) + 16*s->mb_x <= s->width);
+ av_assert2((by>>1) + 16*s->mb_y <= s->height);
+
+ c->hpel_put[0][fxy](c->temp, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 16);
+ c->hpel_avg[0][bxy](c->temp, ref[8] + (bx>>1) + (by>>1)*stride, stride, 16);
+ }
+ }
+ d = cmp_func(s, c->temp, src[0], stride, 16);
+ }else
+ d= 256*256*256*32;
+ return d;
+}
+
+static av_always_inline int cmp_inline(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
+ const int size, const int h, int ref_index, int src_index,
+ me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, int qpel, int chroma){
+ MotionEstContext * const c= &s->me;
+ const int stride= c->stride;
+ const int uvstride= c->uvstride;
+ const int dxy= subx + (suby<<(1+qpel)); //FIXME log2_subpel?
+ const int hx= subx + (x<<(1+qpel));
+ const int hy= suby + (y<<(1+qpel));
+ uint8_t * const * const ref= c->ref[ref_index];
+ uint8_t * const * const src= c->src[src_index];
+ int d;
+ //FIXME check chroma 4mv, (no crashes ...)
+ int uvdxy; /* no, it might not be used uninitialized */
+ if(dxy){
+ if(qpel){
+ c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride); //FIXME prototype (add h)
+ if(chroma){
+ int cx= hx/2;
+ int cy= hy/2;
+ cx= (cx>>1)|(cx&1);
+ cy= (cy>>1)|(cy&1);
+ uvdxy= (cx&1) + 2*(cy&1);
+ //FIXME x/y wrong, but mpeg4 qpel is sick anyway, we should drop as much of it as possible in favor for h264
+ }
+ }else{
+ c->hpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride, h);
+ if(chroma)
+ uvdxy= dxy | (x&1) | (2*(y&1));
+ }
+ d = cmp_func(s, c->temp, src[0], stride, h);
+ }else{
+ d = cmp_func(s, src[0], ref[0] + x + y*stride, stride, h);
+ if(chroma)
+ uvdxy= (x&1) + 2*(y&1);
+ }
+ if(chroma){
+ uint8_t * const uvtemp= c->temp + 16*stride;
+ c->hpel_put[size+1][uvdxy](uvtemp , ref[1] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
+ c->hpel_put[size+1][uvdxy](uvtemp+8, ref[2] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
+ d += chroma_cmp_func(s, uvtemp , src[1], uvstride, h>>1);
+ d += chroma_cmp_func(s, uvtemp+8, src[2], uvstride, h>>1);
+ }
+ return d;
+}
+
+static int cmp_simple(MpegEncContext *s, const int x, const int y,
+ int ref_index, int src_index,
+ me_cmp_func cmp_func, me_cmp_func chroma_cmp_func){
+ return cmp_inline(s,x,y,0,0,0,16,ref_index,src_index, cmp_func, chroma_cmp_func, 0, 0);
+}
+
+static int cmp_fpel_internal(MpegEncContext *s, const int x, const int y,
+ const int size, const int h, int ref_index, int src_index,
+ me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
+ if(flags&FLAG_DIRECT){
+ return cmp_direct_inline(s,x,y,0,0,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags&FLAG_QPEL);
+ }else{
+ return cmp_inline(s,x,y,0,0,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0, flags&FLAG_CHROMA);
+ }
+}
+
+static int cmp_internal(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
+ const int size, const int h, int ref_index, int src_index,
+ me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
+ if(flags&FLAG_DIRECT){
+ return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags&FLAG_QPEL);
+ }else{
+ return cmp_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags&FLAG_QPEL, flags&FLAG_CHROMA);
+ }
+}
+
+/** @brief compares a block (either a full macroblock or a partition thereof)
+ against a proposed motion-compensated prediction of that block
+ */
+static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
+ const int size, const int h, int ref_index, int src_index,
+ me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
+ if(av_builtin_constant_p(flags) && av_builtin_constant_p(h) && av_builtin_constant_p(size)
+ && av_builtin_constant_p(subx) && av_builtin_constant_p(suby)
+ && flags==0 && h==16 && size==0 && subx==0 && suby==0){
+ return cmp_simple(s,x,y,ref_index,src_index, cmp_func, chroma_cmp_func);
+ }else if(av_builtin_constant_p(subx) && av_builtin_constant_p(suby)
+ && subx==0 && suby==0){
+ return cmp_fpel_internal(s,x,y,size,h,ref_index,src_index, cmp_func, chroma_cmp_func,flags);
+ }else{
+ return cmp_internal(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags);
+ }
+}
+
+static int cmp_hpel(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
+ const int size, const int h, int ref_index, int src_index,
+ me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
+ if(flags&FLAG_DIRECT){
+ return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0);
+ }else{
+ return cmp_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0, flags&FLAG_CHROMA);
+ }
+}
+
+static int cmp_qpel(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
+ const int size, const int h, int ref_index, int src_index,
+ me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
+ if(flags&FLAG_DIRECT){
+ return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 1);
+ }else{
+ return cmp_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 1, flags&FLAG_CHROMA);
+ }
+}
+
+#include "motion_est_template.c"
+
+static int zero_cmp(void *s, uint8_t *a, uint8_t *b, int stride, int h){
+ return 0;
+}
+
+static void zero_hpel(uint8_t *a, const uint8_t *b, ptrdiff_t stride, int h){
+}
+
+int ff_init_me(MpegEncContext *s){
+ MotionEstContext * const c= &s->me;
+ int cache_size= FFMIN(ME_MAP_SIZE>>ME_MAP_SHIFT, 1<<ME_MAP_SHIFT);
+ int dia_size= FFMAX(FFABS(s->avctx->dia_size)&255, FFABS(s->avctx->pre_dia_size)&255);
+
+ if(FFMIN(s->avctx->dia_size, s->avctx->pre_dia_size) < -FFMIN(ME_MAP_SIZE, MAX_SAB_SIZE)){
+ av_log(s->avctx, AV_LOG_ERROR, "ME_MAP size is too small for SAB diamond\n");
+ return -1;
+ }
+ //special case of snow is needed because snow uses its own iterative ME code
+ if(s->me_method!=ME_ZERO && s->me_method!=ME_EPZS && s->me_method!=ME_X1 && s->avctx->codec_id != AV_CODEC_ID_SNOW){
+ av_log(s->avctx, AV_LOG_ERROR, "me_method is only allowed to be set to zero and epzs; for hex,umh,full and others see dia_size\n");
+ return -1;
+ }
+
+ c->avctx= s->avctx;
+
+ if(cache_size < 2*dia_size && !c->stride){
+ av_log(s->avctx, AV_LOG_INFO, "ME_MAP size may be a little small for the selected diamond size\n");
+ }
+
+ ff_set_cmp(&s->dsp, s->dsp.me_pre_cmp, c->avctx->me_pre_cmp);
+ ff_set_cmp(&s->dsp, s->dsp.me_cmp, c->avctx->me_cmp);
+ ff_set_cmp(&s->dsp, s->dsp.me_sub_cmp, c->avctx->me_sub_cmp);
+ ff_set_cmp(&s->dsp, s->dsp.mb_cmp, c->avctx->mb_cmp);
+
+ c->flags = get_flags(c, 0, c->avctx->me_cmp &FF_CMP_CHROMA);
+ c->sub_flags= get_flags(c, 0, c->avctx->me_sub_cmp&FF_CMP_CHROMA);
+ c->mb_flags = get_flags(c, 0, c->avctx->mb_cmp &FF_CMP_CHROMA);
+
+/*FIXME s->no_rounding b_type*/
+ if(s->flags&CODEC_FLAG_QPEL){
+ c->sub_motion_search= qpel_motion_search;
+ c->qpel_avg= s->dsp.avg_qpel_pixels_tab;
+ if(s->no_rounding) c->qpel_put= s->dsp.put_no_rnd_qpel_pixels_tab;
+ else c->qpel_put= s->dsp.put_qpel_pixels_tab;
+ }else{
+ if(c->avctx->me_sub_cmp&FF_CMP_CHROMA)
+ c->sub_motion_search= hpel_motion_search;
+ else if( c->avctx->me_sub_cmp == FF_CMP_SAD
+ && c->avctx-> me_cmp == FF_CMP_SAD
+ && c->avctx-> mb_cmp == FF_CMP_SAD)
+ c->sub_motion_search= sad_hpel_motion_search; // 2050 vs. 2450 cycles
+ else
+ c->sub_motion_search= hpel_motion_search;
+ }
+ c->hpel_avg= s->hdsp.avg_pixels_tab;
+ if(s->no_rounding) c->hpel_put= s->hdsp.put_no_rnd_pixels_tab;
+ else c->hpel_put= s->hdsp.put_pixels_tab;
+
+ if(s->linesize){
+ c->stride = s->linesize;
+ c->uvstride= s->uvlinesize;
+ }else{
+ c->stride = 16*s->mb_width + 32;
+ c->uvstride= 8*s->mb_width + 16;
+ }
+
+ /* 8x8 fullpel search would need a 4x4 chroma compare, which we do
+ * not have yet, and even if we had, the motion estimation code
+ * does not expect it. */
+ if(s->codec_id != AV_CODEC_ID_SNOW){
+ if((c->avctx->me_cmp&FF_CMP_CHROMA)/* && !s->dsp.me_cmp[2]*/){
+ s->dsp.me_cmp[2]= zero_cmp;
+ }
+ if((c->avctx->me_sub_cmp&FF_CMP_CHROMA) && !s->dsp.me_sub_cmp[2]){
+ s->dsp.me_sub_cmp[2]= zero_cmp;
+ }
+ c->hpel_put[2][0]= c->hpel_put[2][1]=
+ c->hpel_put[2][2]= c->hpel_put[2][3]= zero_hpel;
+ }
+
+ if(s->codec_id == AV_CODEC_ID_H261){
+ c->sub_motion_search= no_sub_motion_search;
+ }
+
+ return 0;
+}
+
+#define CHECK_SAD_HALF_MV(suffix, x, y) \
+{\
+ d= s->dsp.pix_abs[size][(x?1:0)+(y?2:0)](NULL, pix, ptr+((x)>>1), stride, h);\
+ d += (mv_penalty[pen_x + x] + mv_penalty[pen_y + y])*penalty_factor;\
+ COPY3_IF_LT(dminh, d, dx, x, dy, y)\
+}
+
+static int sad_hpel_motion_search(MpegEncContext * s,
+ int *mx_ptr, int *my_ptr, int dmin,
+ int src_index, int ref_index,
+ int size, int h)
+{
+ MotionEstContext * const c= &s->me;
+ const int penalty_factor= c->sub_penalty_factor;
+ int mx, my, dminh;
+ uint8_t *pix, *ptr;
+ int stride= c->stride;
+ const int flags= c->sub_flags;
+ LOAD_COMMON
+
+ av_assert2(flags == 0);
+
+ if(c->skip){
+ *mx_ptr = 0;
+ *my_ptr = 0;
+ return dmin;
+ }
+
+ pix = c->src[src_index][0];
+
+ mx = *mx_ptr;
+ my = *my_ptr;
+ ptr = c->ref[ref_index][0] + (my * stride) + mx;
+
+ dminh = dmin;
+
+ if (mx > xmin && mx < xmax &&
+ my > ymin && my < ymax) {
+ int dx=0, dy=0;
+ int d, pen_x, pen_y;
+ const int index= (my<<ME_MAP_SHIFT) + mx;
+ const int t= score_map[(index-(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
+ const int l= score_map[(index- 1 )&(ME_MAP_SIZE-1)];
+ const int r= score_map[(index+ 1 )&(ME_MAP_SIZE-1)];
+ const int b= score_map[(index+(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
+ mx<<=1;
+ my<<=1;
+
+
+ pen_x= pred_x + mx;
+ pen_y= pred_y + my;
+
+ ptr-= stride;
+ if(t<=b){
+ CHECK_SAD_HALF_MV(y2 , 0, -1)
+ if(l<=r){
+ CHECK_SAD_HALF_MV(xy2, -1, -1)
+ if(t+r<=b+l){
+ CHECK_SAD_HALF_MV(xy2, +1, -1)
+ ptr+= stride;
+ }else{
+ ptr+= stride;
+ CHECK_SAD_HALF_MV(xy2, -1, +1)
+ }
+ CHECK_SAD_HALF_MV(x2 , -1, 0)
+ }else{
+ CHECK_SAD_HALF_MV(xy2, +1, -1)
+ if(t+l<=b+r){
+ CHECK_SAD_HALF_MV(xy2, -1, -1)
+ ptr+= stride;
+ }else{
+ ptr+= stride;
+ CHECK_SAD_HALF_MV(xy2, +1, +1)
+ }
+ CHECK_SAD_HALF_MV(x2 , +1, 0)
+ }
+ }else{
+ if(l<=r){
+ if(t+l<=b+r){
+ CHECK_SAD_HALF_MV(xy2, -1, -1)
+ ptr+= stride;
+ }else{
+ ptr+= stride;
+ CHECK_SAD_HALF_MV(xy2, +1, +1)
+ }
+ CHECK_SAD_HALF_MV(x2 , -1, 0)
+ CHECK_SAD_HALF_MV(xy2, -1, +1)
+ }else{
+ if(t+r<=b+l){
+ CHECK_SAD_HALF_MV(xy2, +1, -1)
+ ptr+= stride;
+ }else{
+ ptr+= stride;
+ CHECK_SAD_HALF_MV(xy2, -1, +1)
+ }
+ CHECK_SAD_HALF_MV(x2 , +1, 0)
+ CHECK_SAD_HALF_MV(xy2, +1, +1)
+ }
+ CHECK_SAD_HALF_MV(y2 , 0, +1)
+ }
+ mx+=dx;
+ my+=dy;
+
+ }else{
+ mx<<=1;
+ my<<=1;
+ }
+
+ *mx_ptr = mx;
+ *my_ptr = my;
+ return dminh;
+}
+
+static inline void set_p_mv_tables(MpegEncContext * s, int mx, int my, int mv4)
+{
+ const int xy= s->mb_x + s->mb_y*s->mb_stride;
+
+ s->p_mv_table[xy][0] = mx;
+ s->p_mv_table[xy][1] = my;
+
+ /* has already been set to the 4 MV if 4MV is done */
+ if(mv4){
+ int mot_xy= s->block_index[0];
+
+ s->current_picture.motion_val[0][mot_xy ][0] = mx;
+ s->current_picture.motion_val[0][mot_xy ][1] = my;
+ s->current_picture.motion_val[0][mot_xy + 1][0] = mx;
+ s->current_picture.motion_val[0][mot_xy + 1][1] = my;
+
+ mot_xy += s->b8_stride;
+ s->current_picture.motion_val[0][mot_xy ][0] = mx;
+ s->current_picture.motion_val[0][mot_xy ][1] = my;
+ s->current_picture.motion_val[0][mot_xy + 1][0] = mx;
+ s->current_picture.motion_val[0][mot_xy + 1][1] = my;
+ }
+}
+
+/**
+ * get fullpel ME search limits.
+ */
+static inline void get_limits(MpegEncContext *s, int x, int y)
+{
+ MotionEstContext * const c= &s->me;
+ int range= c->avctx->me_range >> (1 + !!(c->flags&FLAG_QPEL));
+ int max_range = MAX_MV >> (1 + !!(c->flags&FLAG_QPEL));
+/*
+ if(c->avctx->me_range) c->range= c->avctx->me_range >> 1;
+ else c->range= 16;
+*/
+ if (s->unrestricted_mv) {
+ c->xmin = - x - 16;
+ c->ymin = - y - 16;
+ c->xmax = - x + s->width;
+ c->ymax = - y + s->height;
+ } else if (s->out_format == FMT_H261){
+ // Search range of H261 is different from other codec standards
+ c->xmin = (x > 15) ? - 15 : 0;
+ c->ymin = (y > 15) ? - 15 : 0;
+ c->xmax = (x < s->mb_width * 16 - 16) ? 15 : 0;
+ c->ymax = (y < s->mb_height * 16 - 16) ? 15 : 0;
+ } else {
+ c->xmin = - x;
+ c->ymin = - y;
+ c->xmax = - x + s->mb_width *16 - 16;
+ c->ymax = - y + s->mb_height*16 - 16;
+ }
+ if(!range || range > max_range)
+ range = max_range;
+ if(range){
+ c->xmin = FFMAX(c->xmin,-range);
+ c->xmax = FFMIN(c->xmax, range);
+ c->ymin = FFMAX(c->ymin,-range);
+ c->ymax = FFMIN(c->ymax, range);
+ }
+}
+
+static inline void init_mv4_ref(MotionEstContext *c){
+ const int stride= c->stride;
+
+ c->ref[1][0] = c->ref[0][0] + 8;
+ c->ref[2][0] = c->ref[0][0] + 8*stride;
+ c->ref[3][0] = c->ref[2][0] + 8;
+ c->src[1][0] = c->src[0][0] + 8;
+ c->src[2][0] = c->src[0][0] + 8*stride;
+ c->src[3][0] = c->src[2][0] + 8;
+}
+
+static inline int h263_mv4_search(MpegEncContext *s, int mx, int my, int shift)
+{
+ MotionEstContext * const c= &s->me;
+ const int size= 1;
+ const int h=8;
+ int block;
+ int P[10][2];
+ int dmin_sum=0, mx4_sum=0, my4_sum=0, i;
+ int same=1;
+ const int stride= c->stride;
+ uint8_t *mv_penalty= c->current_mv_penalty;
+ int saftey_cliping= s->unrestricted_mv && (s->width&15) && (s->height&15);
+
+ init_mv4_ref(c);
+
+ for(block=0; block<4; block++){
+ int mx4, my4;
+ int pred_x4, pred_y4;
+ int dmin4;
+ static const int off[4]= {2, 1, 1, -1};
+ const int mot_stride = s->b8_stride;
+ const int mot_xy = s->block_index[block];
+
+ if(saftey_cliping){
+ c->xmax = - 16*s->mb_x + s->width - 8*(block &1);
+ c->ymax = - 16*s->mb_y + s->height - 8*(block>>1);
+ }
+
+ P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0];
+ P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1];
+
+ if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift);
+
+ /* special case for first line */
+ if (s->first_slice_line && block<2) {
+ c->pred_x= pred_x4= P_LEFT[0];
+ c->pred_y= pred_y4= P_LEFT[1];
+ } else {
+ P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0];
+ P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1];
+ P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][0];
+ P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][1];
+ if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift);
+ if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
+ if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift);
+ if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
+
+ P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
+ P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
+
+ c->pred_x= pred_x4 = P_MEDIAN[0];
+ c->pred_y= pred_y4 = P_MEDIAN[1];
+ }
+ P_MV1[0]= mx;
+ P_MV1[1]= my;
+ if(saftey_cliping)
+ for(i=0; i<10; i++){
+ if(P[i][0] > (c->xmax<<shift)) P[i][0]= (c->xmax<<shift);
+ if(P[i][1] > (c->ymax<<shift)) P[i][1]= (c->ymax<<shift);
+ }
+
+ dmin4 = epzs_motion_search4(s, &mx4, &my4, P, block, block, s->p_mv_table, (1<<16)>>shift);
+
+ dmin4= c->sub_motion_search(s, &mx4, &my4, dmin4, block, block, size, h);
+
+ if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
+ int dxy;
+ const int offset= ((block&1) + (block>>1)*stride)*8;
+ uint8_t *dest_y = c->scratchpad + offset;
+ if(s->quarter_sample){
+ uint8_t *ref= c->ref[block][0] + (mx4>>2) + (my4>>2)*stride;
+ dxy = ((my4 & 3) << 2) | (mx4 & 3);
+
+ if(s->no_rounding)
+ s->dsp.put_no_rnd_qpel_pixels_tab[1][dxy](dest_y , ref , stride);
+ else
+ s->dsp.put_qpel_pixels_tab [1][dxy](dest_y , ref , stride);
+ }else{
+ uint8_t *ref= c->ref[block][0] + (mx4>>1) + (my4>>1)*stride;
+ dxy = ((my4 & 1) << 1) | (mx4 & 1);
+
+ if(s->no_rounding)
+ s->hdsp.put_no_rnd_pixels_tab[1][dxy](dest_y , ref , stride, h);
+ else
+ s->hdsp.put_pixels_tab [1][dxy](dest_y , ref , stride, h);
+ }
+ dmin_sum+= (mv_penalty[mx4-pred_x4] + mv_penalty[my4-pred_y4])*c->mb_penalty_factor;
+ }else
+ dmin_sum+= dmin4;
+
+ if(s->quarter_sample){
+ mx4_sum+= mx4/2;
+ my4_sum+= my4/2;
+ }else{
+ mx4_sum+= mx4;
+ my4_sum+= my4;
+ }
+
+ s->current_picture.motion_val[0][s->block_index[block]][0] = mx4;
+ s->current_picture.motion_val[0][s->block_index[block]][1] = my4;
+
+ if(mx4 != mx || my4 != my) same=0;
+ }
+
+ if(same)
+ return INT_MAX;
+
+ if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
+ dmin_sum += s->dsp.mb_cmp[0](s, s->new_picture.f.data[0] + s->mb_x*16 + s->mb_y*16*stride, c->scratchpad, stride, 16);
+ }
+
+ if(c->avctx->mb_cmp&FF_CMP_CHROMA){
+ int dxy;
+ int mx, my;
+ int offset;
+
+ mx= ff_h263_round_chroma(mx4_sum);
+ my= ff_h263_round_chroma(my4_sum);
+ dxy = ((my & 1) << 1) | (mx & 1);
+
+ offset= (s->mb_x*8 + (mx>>1)) + (s->mb_y*8 + (my>>1))*s->uvlinesize;
+
+ if(s->no_rounding){
+ s->hdsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad , s->last_picture.f.data[1] + offset, s->uvlinesize, 8);
+ s->hdsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad + 8, s->last_picture.f.data[2] + offset, s->uvlinesize, 8);
+ }else{
+ s->hdsp.put_pixels_tab [1][dxy](c->scratchpad , s->last_picture.f.data[1] + offset, s->uvlinesize, 8);
+ s->hdsp.put_pixels_tab [1][dxy](c->scratchpad + 8, s->last_picture.f.data[2] + offset, s->uvlinesize, 8);
+ }
+
+ dmin_sum += s->dsp.mb_cmp[1](s, s->new_picture.f.data[1] + s->mb_x*8 + s->mb_y*8*s->uvlinesize, c->scratchpad , s->uvlinesize, 8);
+ dmin_sum += s->dsp.mb_cmp[1](s, s->new_picture.f.data[2] + s->mb_x*8 + s->mb_y*8*s->uvlinesize, c->scratchpad+8, s->uvlinesize, 8);
+ }
+
+ c->pred_x= mx;
+ c->pred_y= my;
+
+ switch(c->avctx->mb_cmp&0xFF){
+ /*case FF_CMP_SSE:
+ return dmin_sum+ 32*s->qscale*s->qscale;*/
+ case FF_CMP_RD:
+ return dmin_sum;
+ default:
+ return dmin_sum+ 11*c->mb_penalty_factor;
+ }
+}
+
+static inline void init_interlaced_ref(MpegEncContext *s, int ref_index){
+ MotionEstContext * const c= &s->me;
+
+ c->ref[1+ref_index][0] = c->ref[0+ref_index][0] + s->linesize;
+ c->src[1][0] = c->src[0][0] + s->linesize;
+ if(c->flags & FLAG_CHROMA){
+ c->ref[1+ref_index][1] = c->ref[0+ref_index][1] + s->uvlinesize;
+ c->ref[1+ref_index][2] = c->ref[0+ref_index][2] + s->uvlinesize;
+ c->src[1][1] = c->src[0][1] + s->uvlinesize;
+ c->src[1][2] = c->src[0][2] + s->uvlinesize;
+ }
+}
+
+static int interlaced_search(MpegEncContext *s, int ref_index,
+ int16_t (*mv_tables[2][2])[2], uint8_t *field_select_tables[2], int mx, int my, int user_field_select)
+{
+ MotionEstContext * const c= &s->me;
+ const int size=0;
+ const int h=8;
+ int block;
+ int P[10][2];
+ uint8_t * const mv_penalty= c->current_mv_penalty;
+ int same=1;
+ const int stride= 2*s->linesize;
+ int dmin_sum= 0;
+ const int mot_stride= s->mb_stride;
+ const int xy= s->mb_x + s->mb_y*mot_stride;
+
+ c->ymin>>=1;
+ c->ymax>>=1;
+ c->stride<<=1;
+ c->uvstride<<=1;
+ init_interlaced_ref(s, ref_index);
+
+ for(block=0; block<2; block++){
+ int field_select;
+ int best_dmin= INT_MAX;
+ int best_field= -1;
+
+ for(field_select=0; field_select<2; field_select++){
+ int dmin, mx_i, my_i;
+ int16_t (*mv_table)[2]= mv_tables[block][field_select];
+
+ if(user_field_select){
+ av_assert1(field_select==0 || field_select==1);
+ av_assert1(field_select_tables[block][xy]==0 || field_select_tables[block][xy]==1);
+ if(field_select_tables[block][xy] != field_select)
+ continue;
+ }
+
+ P_LEFT[0] = mv_table[xy - 1][0];
+ P_LEFT[1] = mv_table[xy - 1][1];
+ if(P_LEFT[0] > (c->xmax<<1)) P_LEFT[0] = (c->xmax<<1);
+
+ c->pred_x= P_LEFT[0];
+ c->pred_y= P_LEFT[1];
+
+ if(!s->first_slice_line){
+ P_TOP[0] = mv_table[xy - mot_stride][0];
+ P_TOP[1] = mv_table[xy - mot_stride][1];
+ P_TOPRIGHT[0] = mv_table[xy - mot_stride + 1][0];
+ P_TOPRIGHT[1] = mv_table[xy - mot_stride + 1][1];
+ if(P_TOP[1] > (c->ymax<<1)) P_TOP[1] = (c->ymax<<1);
+ if(P_TOPRIGHT[0] < (c->xmin<<1)) P_TOPRIGHT[0]= (c->xmin<<1);
+ if(P_TOPRIGHT[0] > (c->xmax<<1)) P_TOPRIGHT[0]= (c->xmax<<1);
+ if(P_TOPRIGHT[1] > (c->ymax<<1)) P_TOPRIGHT[1]= (c->ymax<<1);
+
+ P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
+ P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
+ }
+ P_MV1[0]= mx; //FIXME not correct if block != field_select
+ P_MV1[1]= my / 2;
+
+ dmin = epzs_motion_search2(s, &mx_i, &my_i, P, block, field_select+ref_index, mv_table, (1<<16)>>1);
+
+ dmin= c->sub_motion_search(s, &mx_i, &my_i, dmin, block, field_select+ref_index, size, h);
+
+ mv_table[xy][0]= mx_i;
+ mv_table[xy][1]= my_i;
+
+ if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
+ int dxy;
+
+ //FIXME chroma ME
+ uint8_t *ref= c->ref[field_select+ref_index][0] + (mx_i>>1) + (my_i>>1)*stride;
+ dxy = ((my_i & 1) << 1) | (mx_i & 1);
+
+ if(s->no_rounding){
+ s->hdsp.put_no_rnd_pixels_tab[size][dxy](c->scratchpad, ref , stride, h);
+ }else{
+ s->hdsp.put_pixels_tab [size][dxy](c->scratchpad, ref , stride, h);
+ }
+ dmin= s->dsp.mb_cmp[size](s, c->src[block][0], c->scratchpad, stride, h);
+ dmin+= (mv_penalty[mx_i-c->pred_x] + mv_penalty[my_i-c->pred_y] + 1)*c->mb_penalty_factor;
+ }else
+ dmin+= c->mb_penalty_factor; //field_select bits
+
+ dmin += field_select != block; //slightly prefer same field
+
+ if(dmin < best_dmin){
+ best_dmin= dmin;
+ best_field= field_select;
+ }
+ }
+ {
+ int16_t (*mv_table)[2]= mv_tables[block][best_field];
+
+ if(mv_table[xy][0] != mx) same=0; //FIXME check if these checks work and are any good at all
+ if(mv_table[xy][1]&1) same=0;
+ if(mv_table[xy][1]*2 != my) same=0;
+ if(best_field != block) same=0;
+ }
+
+ field_select_tables[block][xy]= best_field;
+ dmin_sum += best_dmin;
+ }
+
+ c->ymin<<=1;
+ c->ymax<<=1;
+ c->stride>>=1;
+ c->uvstride>>=1;
+
+ if(same)
+ return INT_MAX;
+
+ switch(c->avctx->mb_cmp&0xFF){
+ /*case FF_CMP_SSE:
+ return dmin_sum+ 32*s->qscale*s->qscale;*/
+ case FF_CMP_RD:
+ return dmin_sum;
+ default:
+ return dmin_sum+ 11*c->mb_penalty_factor;
+ }
+}
+
+static inline int get_penalty_factor(int lambda, int lambda2, int type){
+ switch(type&0xFF){
+ default:
+ case FF_CMP_SAD:
+ return lambda>>FF_LAMBDA_SHIFT;
+ case FF_CMP_DCT:
+ return (3*lambda)>>(FF_LAMBDA_SHIFT+1);
+ case FF_CMP_W53:
+ return (4*lambda)>>(FF_LAMBDA_SHIFT);
+ case FF_CMP_W97:
+ return (2*lambda)>>(FF_LAMBDA_SHIFT);
+ case FF_CMP_SATD:
+ case FF_CMP_DCT264:
+ return (2*lambda)>>FF_LAMBDA_SHIFT;
+ case FF_CMP_RD:
+ case FF_CMP_PSNR:
+ case FF_CMP_SSE:
+ case FF_CMP_NSSE:
+ return lambda2>>FF_LAMBDA_SHIFT;
+ case FF_CMP_BIT:
+ return 1;
+ }
+}
+
+void ff_estimate_p_frame_motion(MpegEncContext * s,
+ int mb_x, int mb_y)
+{
+ MotionEstContext * const c= &s->me;
+ uint8_t *pix, *ppix;
+ int sum, mx, my, dmin;
+ int varc; ///< the variance of the block (sum of squared (p[y][x]-average))
+ int vard; ///< sum of squared differences with the estimated motion vector
+ int P[10][2];
+ const int shift= 1+s->quarter_sample;
+ int mb_type=0;
+ Picture * const pic= &s->current_picture;
+
+ init_ref(c, s->new_picture.f.data, s->last_picture.f.data, NULL, 16*mb_x, 16*mb_y, 0);
+
+ av_assert0(s->quarter_sample==0 || s->quarter_sample==1);
+ av_assert0(s->linesize == c->stride);
+ av_assert0(s->uvlinesize == c->uvstride);
+
+ c->penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp);
+ c->sub_penalty_factor= get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_sub_cmp);
+ c->mb_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->mb_cmp);
+ c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
+
+ get_limits(s, 16*mb_x, 16*mb_y);
+ c->skip=0;
+
+ /* intra / predictive decision */
+ pix = c->src[0][0];
+ sum = s->dsp.pix_sum(pix, s->linesize);
+ varc = s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)sum*sum)>>8) + 500;
+
+ pic->mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
+ pic->mb_var [s->mb_stride * mb_y + mb_x] = (varc+128)>>8;
+ c->mb_var_sum_temp += (varc+128)>>8;
+
+ switch(s->me_method) {
+ case ME_ZERO:
+ default:
+ mx = 0;
+ my = 0;
+ dmin = 0;
+ break;
+ case ME_X1:
+ case ME_EPZS:
+ {
+ const int mot_stride = s->b8_stride;
+ const int mot_xy = s->block_index[0];
+
+ P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0];
+ P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1];
+
+ if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift);
+
+ if(!s->first_slice_line) {
+ P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0];
+ P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1];
+ P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][0];
+ P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][1];
+ if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift);
+ if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
+ if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
+
+ P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
+ P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
+
+ if(s->out_format == FMT_H263){
+ c->pred_x = P_MEDIAN[0];
+ c->pred_y = P_MEDIAN[1];
+ }else { /* mpeg1 at least */
+ c->pred_x= P_LEFT[0];
+ c->pred_y= P_LEFT[1];
+ }
+ }else{
+ c->pred_x= P_LEFT[0];
+ c->pred_y= P_LEFT[1];
+ }
+
+ }
+ dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift, 0, 16);
+
+ break;
+ }
+
+ /* At this point (mx,my) are full-pell and the relative displacement */
+ ppix = c->ref[0][0] + (my * s->linesize) + mx;
+
+ vard = s->dsp.sse[0](NULL, pix, ppix, s->linesize, 16);
+
+ pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = (vard+128)>>8;
+ c->mc_mb_var_sum_temp += (vard+128)>>8;
+
+ if(mb_type){
+ int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100);
+ int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20;
+ c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score);
+
+ if(mb_type == CANDIDATE_MB_TYPE_INTER){
+ c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
+ set_p_mv_tables(s, mx, my, 1);
+ }else{
+ mx <<=shift;
+ my <<=shift;
+ }
+ if(mb_type == CANDIDATE_MB_TYPE_INTER4V){
+ h263_mv4_search(s, mx, my, shift);
+
+ set_p_mv_tables(s, mx, my, 0);
+ }
+ if(mb_type == CANDIDATE_MB_TYPE_INTER_I){
+ interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 1);
+ }
+ }else if(c->avctx->mb_decision > FF_MB_DECISION_SIMPLE){
+ int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100);
+ int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20;
+ c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score);
+
+ if (vard*2 + 200*256 > varc)
+ mb_type|= CANDIDATE_MB_TYPE_INTRA;
+ if (varc*2 + 200*256 > vard || s->qscale > 24){
+// if (varc*2 + 200*256 + 50*(s->lambda2>>FF_LAMBDA_SHIFT) > vard){
+ mb_type|= CANDIDATE_MB_TYPE_INTER;
+ c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
+ if(s->flags&CODEC_FLAG_MV0)
+ if(mx || my)
+ mb_type |= CANDIDATE_MB_TYPE_SKIPPED; //FIXME check difference
+ }else{
+ mx <<=shift;
+ my <<=shift;
+ }
+ if((s->flags&CODEC_FLAG_4MV)
+ && !c->skip && varc>50<<8 && vard>10<<8){
+ if(h263_mv4_search(s, mx, my, shift) < INT_MAX)
+ mb_type|=CANDIDATE_MB_TYPE_INTER4V;
+
+ set_p_mv_tables(s, mx, my, 0);
+ }else
+ set_p_mv_tables(s, mx, my, 1);
+ if((s->flags&CODEC_FLAG_INTERLACED_ME)
+ && !c->skip){ //FIXME varc/d checks
+ if(interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0) < INT_MAX)
+ mb_type |= CANDIDATE_MB_TYPE_INTER_I;
+ }
+ }else{
+ int intra_score, i;
+ mb_type= CANDIDATE_MB_TYPE_INTER;
+
+ dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
+ if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
+ dmin= get_mb_score(s, mx, my, 0, 0, 0, 16, 1);
+
+ if((s->flags&CODEC_FLAG_4MV)
+ && !c->skip && varc>50<<8 && vard>10<<8){
+ int dmin4= h263_mv4_search(s, mx, my, shift);
+ if(dmin4 < dmin){
+ mb_type= CANDIDATE_MB_TYPE_INTER4V;
+ dmin=dmin4;
+ }
+ }
+ if((s->flags&CODEC_FLAG_INTERLACED_ME)
+ && !c->skip){ //FIXME varc/d checks
+ int dmin_i= interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0);
+ if(dmin_i < dmin){
+ mb_type = CANDIDATE_MB_TYPE_INTER_I;
+ dmin= dmin_i;
+ }
+ }
+
+ set_p_mv_tables(s, mx, my, mb_type!=CANDIDATE_MB_TYPE_INTER4V);
+
+ /* get intra luma score */
+ if((c->avctx->mb_cmp&0xFF)==FF_CMP_SSE){
+ intra_score= varc - 500;
+ }else{
+ unsigned mean = (sum+128)>>8;
+ mean*= 0x01010101;
+
+ for(i=0; i<16; i++){
+ *(uint32_t*)(&c->scratchpad[i*s->linesize+ 0]) = mean;
+ *(uint32_t*)(&c->scratchpad[i*s->linesize+ 4]) = mean;
+ *(uint32_t*)(&c->scratchpad[i*s->linesize+ 8]) = mean;
+ *(uint32_t*)(&c->scratchpad[i*s->linesize+12]) = mean;
+ }
+
+ intra_score= s->dsp.mb_cmp[0](s, c->scratchpad, pix, s->linesize, 16);
+ }
+ intra_score += c->mb_penalty_factor*16;
+
+ if(intra_score < dmin){
+ mb_type= CANDIDATE_MB_TYPE_INTRA;
+ s->current_picture.mb_type[mb_y*s->mb_stride + mb_x] = CANDIDATE_MB_TYPE_INTRA; //FIXME cleanup
+ }else
+ s->current_picture.mb_type[mb_y*s->mb_stride + mb_x] = 0;
+
+ {
+ int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100);
+ int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20;
+ c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score);
+ }
+ }
+
+ s->mb_type[mb_y*s->mb_stride + mb_x]= mb_type;
+}
+
+int ff_pre_estimate_p_frame_motion(MpegEncContext * s,
+ int mb_x, int mb_y)
+{
+ MotionEstContext * const c= &s->me;
+ int mx, my, dmin;
+ int P[10][2];
+ const int shift= 1+s->quarter_sample;
+ const int xy= mb_x + mb_y*s->mb_stride;
+ init_ref(c, s->new_picture.f.data, s->last_picture.f.data, NULL, 16*mb_x, 16*mb_y, 0);
+
+ av_assert0(s->quarter_sample==0 || s->quarter_sample==1);
+
+ c->pre_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_pre_cmp);
+ c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
+
+ get_limits(s, 16*mb_x, 16*mb_y);
+ c->skip=0;
+
+ P_LEFT[0] = s->p_mv_table[xy + 1][0];
+ P_LEFT[1] = s->p_mv_table[xy + 1][1];
+
+ if(P_LEFT[0] < (c->xmin<<shift)) P_LEFT[0] = (c->xmin<<shift);
+
+ /* special case for first line */
+ if (s->first_slice_line) {
+ c->pred_x= P_LEFT[0];
+ c->pred_y= P_LEFT[1];
+ P_TOP[0]= P_TOPRIGHT[0]= P_MEDIAN[0]=
+ P_TOP[1]= P_TOPRIGHT[1]= P_MEDIAN[1]= 0; //FIXME
+ } else {
+ P_TOP[0] = s->p_mv_table[xy + s->mb_stride ][0];
+ P_TOP[1] = s->p_mv_table[xy + s->mb_stride ][1];
+ P_TOPRIGHT[0] = s->p_mv_table[xy + s->mb_stride - 1][0];
+ P_TOPRIGHT[1] = s->p_mv_table[xy + s->mb_stride - 1][1];
+ if(P_TOP[1] < (c->ymin<<shift)) P_TOP[1] = (c->ymin<<shift);
+ if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift);
+ if(P_TOPRIGHT[1] < (c->ymin<<shift)) P_TOPRIGHT[1]= (c->ymin<<shift);
+
+ P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
+ P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
+
+ c->pred_x = P_MEDIAN[0];
+ c->pred_y = P_MEDIAN[1];
+ }
+
+ dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift, 0, 16);
+
+ s->p_mv_table[xy][0] = mx<<shift;
+ s->p_mv_table[xy][1] = my<<shift;
+
+ return dmin;
+}
+
+static int 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:
+ mx = 0;
+ my = 0;
+ dmin = 0;
+ break;
+ case ME_X1:
+ case ME_EPZS:
+ P_LEFT[0] = mv_table[mot_xy - 1][0];
+ P_LEFT[1] = mv_table[mot_xy - 1][1];
+
+ if (P_LEFT[0] > (c->xmax << shift)) P_LEFT[0] = (c->xmax << shift);
+
+ /* special case for first line */
+ if (!s->first_slice_line) {
+ P_TOP[0] = mv_table[mot_xy - mot_stride ][0];
+ P_TOP[1] = mv_table[mot_xy - mot_stride ][1];
+ P_TOPRIGHT[0] = mv_table[mot_xy - mot_stride + 1][0];
+ P_TOPRIGHT[1] = mv_table[mot_xy - mot_stride + 1][1];
+ if (P_TOP[1] > (c->ymax << shift)) P_TOP[1] = (c->ymax << shift);
+ if (P_TOPRIGHT[0] < (c->xmin << shift)) P_TOPRIGHT[0] = (c->xmin << shift);
+ if (P_TOPRIGHT[1] > (c->ymax << shift)) P_TOPRIGHT[1] = (c->ymax << shift);
+
+ P_MEDIAN[0] = mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
+ P_MEDIAN[1] = mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
+ }
+ c->pred_x = P_LEFT[0];
+ c->pred_y = P_LEFT[1];
+
+ if(mv_table == s->b_forw_mv_table){
+ mv_scale= (s->pb_time<<16) / (s->pp_time<<shift);
+ }else{
+ mv_scale= ((s->pb_time - s->pp_time)<<16) / (s->pp_time<<shift);
+ }
+
+ dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, ref_index, s->p_mv_table, mv_scale, 0, 16);
+
+ break;
+ }
+
+ dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, ref_index, 0, 16);
+
+ if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
+ dmin= get_mb_score(s, mx, my, 0, ref_index, 0, 16, 1);
+
+// s->mb_type[mb_y*s->mb_width + mb_x]= mb_type;
+ mv_table[mot_xy][0]= mx;
+ mv_table[mot_xy][1]= my;
+
+ return dmin;
+}
+
+static inline int check_bidir_mv(MpegEncContext * s,
+ int motion_fx, int motion_fy,
+ int motion_bx, int motion_by,
+ int pred_fx, int pred_fy,
+ int pred_bx, int pred_by,
+ int size, int h)
+{
+ //FIXME optimize?
+ //FIXME better f_code prediction (max mv & distance)
+ //FIXME pointers
+ MotionEstContext * const c= &s->me;
+ uint8_t * const mv_penalty_f= c->mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame
+ uint8_t * const mv_penalty_b= c->mv_penalty[s->b_code] + MAX_MV; // f_code of the prev frame
+ int stride= c->stride;
+ uint8_t *dest_y = c->scratchpad;
+ uint8_t *ptr;
+ int dxy;
+ int src_x, src_y;
+ int fbmin;
+ uint8_t **src_data= c->src[0];
+ uint8_t **ref_data= c->ref[0];
+ uint8_t **ref2_data= c->ref[2];
+
+ if(s->quarter_sample){
+ dxy = ((motion_fy & 3) << 2) | (motion_fx & 3);
+ src_x = motion_fx >> 2;
+ src_y = motion_fy >> 2;
+
+ ptr = ref_data[0] + (src_y * stride) + src_x;
+ s->dsp.put_qpel_pixels_tab[0][dxy](dest_y , ptr , stride);
+
+ dxy = ((motion_by & 3) << 2) | (motion_bx & 3);
+ src_x = motion_bx >> 2;
+ src_y = motion_by >> 2;
+
+ ptr = ref2_data[0] + (src_y * stride) + src_x;
+ s->dsp.avg_qpel_pixels_tab[size][dxy](dest_y , ptr , stride);
+ }else{
+ dxy = ((motion_fy & 1) << 1) | (motion_fx & 1);
+ src_x = motion_fx >> 1;
+ src_y = motion_fy >> 1;
+
+ ptr = ref_data[0] + (src_y * stride) + src_x;
+ s->hdsp.put_pixels_tab[size][dxy](dest_y , ptr , stride, h);
+
+ dxy = ((motion_by & 1) << 1) | (motion_bx & 1);
+ src_x = motion_bx >> 1;
+ src_y = motion_by >> 1;
+
+ ptr = ref2_data[0] + (src_y * stride) + src_x;
+ s->hdsp.avg_pixels_tab[size][dxy](dest_y , ptr , stride, h);
+ }
+
+ fbmin = (mv_penalty_f[motion_fx-pred_fx] + mv_penalty_f[motion_fy-pred_fy])*c->mb_penalty_factor
+ +(mv_penalty_b[motion_bx-pred_bx] + mv_penalty_b[motion_by-pred_by])*c->mb_penalty_factor
+ + s->dsp.mb_cmp[size](s, src_data[0], dest_y, stride, h); //FIXME new_pic
+
+ if(c->avctx->mb_cmp&FF_CMP_CHROMA){
+ }
+ //FIXME CHROMA !!!
+
+ return fbmin;
+}
+
+/* refine the bidir vectors in hq mode and return the score in both lq & hq mode*/
+static inline int bidir_refine(MpegEncContext * s, int mb_x, int mb_y)
+{
+ MotionEstContext * const c= &s->me;
+ const int mot_stride = s->mb_stride;
+ const int xy = mb_y *mot_stride + mb_x;
+ int fbmin;
+ int pred_fx= s->b_bidir_forw_mv_table[xy-1][0];
+ int pred_fy= s->b_bidir_forw_mv_table[xy-1][1];
+ int pred_bx= s->b_bidir_back_mv_table[xy-1][0];
+ int pred_by= s->b_bidir_back_mv_table[xy-1][1];
+ int motion_fx= s->b_bidir_forw_mv_table[xy][0]= s->b_forw_mv_table[xy][0];
+ int motion_fy= s->b_bidir_forw_mv_table[xy][1]= s->b_forw_mv_table[xy][1];
+ int motion_bx= s->b_bidir_back_mv_table[xy][0]= s->b_back_mv_table[xy][0];
+ int motion_by= s->b_bidir_back_mv_table[xy][1]= s->b_back_mv_table[xy][1];
+ const int flags= c->sub_flags;
+ const int qpel= flags&FLAG_QPEL;
+ const int shift= 1+qpel;
+ const int xmin= c->xmin<<shift;
+ const int ymin= c->ymin<<shift;
+ const int xmax= c->xmax<<shift;
+ const int ymax= c->ymax<<shift;
+#define HASH(fx,fy,bx,by) ((fx)+17*(fy)+63*(bx)+117*(by))
+#define HASH8(fx,fy,bx,by) ((uint8_t)HASH(fx,fy,bx,by))
+ int hashidx= HASH(motion_fx,motion_fy, motion_bx, motion_by);
+ uint8_t map[256] = { 0 };
+
+ map[hashidx&255] = 1;
+
+ fbmin= check_bidir_mv(s, motion_fx, motion_fy,
+ motion_bx, motion_by,
+ pred_fx, pred_fy,
+ pred_bx, pred_by,
+ 0, 16);
+
+ if(s->avctx->bidir_refine){
+ int end;
+ static const uint8_t limittab[5]={0,8,32,64,80};
+ const int limit= limittab[s->avctx->bidir_refine];
+ static const int8_t vect[][4]={
+{ 0, 0, 0, 1}, { 0, 0, 0,-1}, { 0, 0, 1, 0}, { 0, 0,-1, 0}, { 0, 1, 0, 0}, { 0,-1, 0, 0}, { 1, 0, 0, 0}, {-1, 0, 0, 0},
+
+{ 0, 0, 1, 1}, { 0, 0,-1,-1}, { 0, 1, 1, 0}, { 0,-1,-1, 0}, { 1, 1, 0, 0}, {-1,-1, 0, 0}, { 1, 0, 0, 1}, {-1, 0, 0,-1},
+{ 0, 1, 0, 1}, { 0,-1, 0,-1}, { 1, 0, 1, 0}, {-1, 0,-1, 0},
+{ 0, 0,-1, 1}, { 0, 0, 1,-1}, { 0,-1, 1, 0}, { 0, 1,-1, 0}, {-1, 1, 0, 0}, { 1,-1, 0, 0}, { 1, 0, 0,-1}, {-1, 0, 0, 1},
+{ 0,-1, 0, 1}, { 0, 1, 0,-1}, {-1, 0, 1, 0}, { 1, 0,-1, 0},
+
+{ 0, 1, 1, 1}, { 0,-1,-1,-1}, { 1, 1, 1, 0}, {-1,-1,-1, 0}, { 1, 1, 0, 1}, {-1,-1, 0,-1}, { 1, 0, 1, 1}, {-1, 0,-1,-1},
+{ 0,-1, 1, 1}, { 0, 1,-1,-1}, {-1, 1, 1, 0}, { 1,-1,-1, 0}, { 1, 1, 0,-1}, {-1,-1, 0, 1}, { 1, 0,-1, 1}, {-1, 0, 1,-1},
+{ 0, 1,-1, 1}, { 0,-1, 1,-1}, { 1,-1, 1, 0}, {-1, 1,-1, 0}, {-1, 1, 0, 1}, { 1,-1, 0,-1}, { 1, 0, 1,-1}, {-1, 0,-1, 1},
+{ 0, 1, 1,-1}, { 0,-1,-1, 1}, { 1, 1,-1, 0}, {-1,-1, 1, 0}, { 1,-1, 0, 1}, {-1, 1, 0,-1}, {-1, 0, 1, 1}, { 1, 0,-1,-1},
+
+{ 1, 1, 1, 1}, {-1,-1,-1,-1},
+{ 1, 1, 1,-1}, {-1,-1,-1, 1}, { 1, 1,-1, 1}, {-1,-1, 1,-1}, { 1,-1, 1, 1}, {-1, 1,-1,-1}, {-1, 1, 1, 1}, { 1,-1,-1,-1},
+{ 1, 1,-1,-1}, {-1,-1, 1, 1}, { 1,-1,-1, 1}, {-1, 1, 1,-1}, { 1,-1, 1,-1}, {-1, 1,-1, 1},
+ };
+ static const uint8_t hash[]={
+HASH8( 0, 0, 0, 1), HASH8( 0, 0, 0,-1), HASH8( 0, 0, 1, 0), HASH8( 0, 0,-1, 0), HASH8( 0, 1, 0, 0), HASH8( 0,-1, 0, 0), HASH8( 1, 0, 0, 0), HASH8(-1, 0, 0, 0),
+
+HASH8( 0, 0, 1, 1), HASH8( 0, 0,-1,-1), HASH8( 0, 1, 1, 0), HASH8( 0,-1,-1, 0), HASH8( 1, 1, 0, 0), HASH8(-1,-1, 0, 0), HASH8( 1, 0, 0, 1), HASH8(-1, 0, 0,-1),
+HASH8( 0, 1, 0, 1), HASH8( 0,-1, 0,-1), HASH8( 1, 0, 1, 0), HASH8(-1, 0,-1, 0),
+HASH8( 0, 0,-1, 1), HASH8( 0, 0, 1,-1), HASH8( 0,-1, 1, 0), HASH8( 0, 1,-1, 0), HASH8(-1, 1, 0, 0), HASH8( 1,-1, 0, 0), HASH8( 1, 0, 0,-1), HASH8(-1, 0, 0, 1),
+HASH8( 0,-1, 0, 1), HASH8( 0, 1, 0,-1), HASH8(-1, 0, 1, 0), HASH8( 1, 0,-1, 0),
+
+HASH8( 0, 1, 1, 1), HASH8( 0,-1,-1,-1), HASH8( 1, 1, 1, 0), HASH8(-1,-1,-1, 0), HASH8( 1, 1, 0, 1), HASH8(-1,-1, 0,-1), HASH8( 1, 0, 1, 1), HASH8(-1, 0,-1,-1),
+HASH8( 0,-1, 1, 1), HASH8( 0, 1,-1,-1), HASH8(-1, 1, 1, 0), HASH8( 1,-1,-1, 0), HASH8( 1, 1, 0,-1), HASH8(-1,-1, 0, 1), HASH8( 1, 0,-1, 1), HASH8(-1, 0, 1,-1),
+HASH8( 0, 1,-1, 1), HASH8( 0,-1, 1,-1), HASH8( 1,-1, 1, 0), HASH8(-1, 1,-1, 0), HASH8(-1, 1, 0, 1), HASH8( 1,-1, 0,-1), HASH8( 1, 0, 1,-1), HASH8(-1, 0,-1, 1),
+HASH8( 0, 1, 1,-1), HASH8( 0,-1,-1, 1), HASH8( 1, 1,-1, 0), HASH8(-1,-1, 1, 0), HASH8( 1,-1, 0, 1), HASH8(-1, 1, 0,-1), HASH8(-1, 0, 1, 1), HASH8( 1, 0,-1,-1),
+
+HASH8( 1, 1, 1, 1), HASH8(-1,-1,-1,-1),
+HASH8( 1, 1, 1,-1), HASH8(-1,-1,-1, 1), HASH8( 1, 1,-1, 1), HASH8(-1,-1, 1,-1), HASH8( 1,-1, 1, 1), HASH8(-1, 1,-1,-1), HASH8(-1, 1, 1, 1), HASH8( 1,-1,-1,-1),
+HASH8( 1, 1,-1,-1), HASH8(-1,-1, 1, 1), HASH8( 1,-1,-1, 1), HASH8(-1, 1, 1,-1), HASH8( 1,-1, 1,-1), HASH8(-1, 1,-1, 1),
+};
+
+#define CHECK_BIDIR(fx,fy,bx,by)\
+ if( !map[(hashidx+HASH(fx,fy,bx,by))&255]\
+ &&(fx<=0 || motion_fx+fx<=xmax) && (fy<=0 || motion_fy+fy<=ymax) && (bx<=0 || motion_bx+bx<=xmax) && (by<=0 || motion_by+by<=ymax)\
+ &&(fx>=0 || motion_fx+fx>=xmin) && (fy>=0 || motion_fy+fy>=ymin) && (bx>=0 || motion_bx+bx>=xmin) && (by>=0 || motion_by+by>=ymin)){\
+ int score;\
+ map[(hashidx+HASH(fx,fy,bx,by))&255] = 1;\
+ score= check_bidir_mv(s, motion_fx+fx, motion_fy+fy, motion_bx+bx, motion_by+by, pred_fx, pred_fy, pred_bx, pred_by, 0, 16);\
+ if(score < fbmin){\
+ hashidx += HASH(fx,fy,bx,by);\
+ fbmin= score;\
+ motion_fx+=fx;\
+ motion_fy+=fy;\
+ motion_bx+=bx;\
+ motion_by+=by;\
+ end=0;\
+ }\
+ }
+#define CHECK_BIDIR2(a,b,c,d)\
+CHECK_BIDIR(a,b,c,d)\
+CHECK_BIDIR(-(a),-(b),-(c),-(d))
+
+ do{
+ int i;
+ int borderdist=0;
+ end=1;
+
+ CHECK_BIDIR2(0,0,0,1)
+ CHECK_BIDIR2(0,0,1,0)
+ CHECK_BIDIR2(0,1,0,0)
+ CHECK_BIDIR2(1,0,0,0)
+
+ for(i=8; i<limit; i++){
+ int fx= motion_fx+vect[i][0];
+ int fy= motion_fy+vect[i][1];
+ int bx= motion_bx+vect[i][2];
+ int by= motion_by+vect[i][3];
+ if(borderdist<=0){
+ int a= (xmax - FFMAX(fx,bx))|(FFMIN(fx,bx) - xmin);
+ int b= (ymax - FFMAX(fy,by))|(FFMIN(fy,by) - ymin);
+ if((a|b) < 0)
+ map[(hashidx+hash[i])&255] = 1;
+ }
+ if(!map[(hashidx+hash[i])&255]){
+ int score;
+ map[(hashidx+hash[i])&255] = 1;
+ score= check_bidir_mv(s, fx, fy, bx, by, pred_fx, pred_fy, pred_bx, pred_by, 0, 16);
+ if(score < fbmin){
+ hashidx += hash[i];
+ fbmin= score;
+ motion_fx=fx;
+ motion_fy=fy;
+ motion_bx=bx;
+ motion_by=by;
+ end=0;
+ borderdist--;
+ if(borderdist<=0){
+ int a= FFMIN(xmax - FFMAX(fx,bx), FFMIN(fx,bx) - xmin);
+ int b= FFMIN(ymax - FFMAX(fy,by), FFMIN(fy,by) - ymin);
+ borderdist= FFMIN(a,b);
+ }
+ }
+ }
+ }
+ }while(!end);
+ }
+
+ s->b_bidir_forw_mv_table[xy][0]= motion_fx;
+ s->b_bidir_forw_mv_table[xy][1]= motion_fy;
+ s->b_bidir_back_mv_table[xy][0]= motion_bx;
+ s->b_bidir_back_mv_table[xy][1]= motion_by;
+
+ return fbmin;
+}
+
+static inline int direct_search(MpegEncContext * s, int mb_x, int mb_y)
+{
+ MotionEstContext * const c= &s->me;
+ int P[10][2];
+ const int mot_stride = s->mb_stride;
+ const int mot_xy = mb_y*mot_stride + mb_x;
+ const int shift= 1+s->quarter_sample;
+ int dmin, i;
+ const int time_pp= s->pp_time;
+ const int time_pb= s->pb_time;
+ int mx, my, xmin, xmax, ymin, ymax;
+ int16_t (*mv_table)[2]= s->b_direct_mv_table;
+
+ c->current_mv_penalty= c->mv_penalty[1] + MAX_MV;
+ ymin= xmin=(-32)>>shift;
+ ymax= xmax= 31>>shift;
+
+ if (IS_8X8(s->next_picture.mb_type[mot_xy])) {
+ s->mv_type= MV_TYPE_8X8;
+ }else{
+ s->mv_type= MV_TYPE_16X16;
+ }
+
+ for(i=0; i<4; i++){
+ int index= s->block_index[i];
+ int min, max;
+
+ c->co_located_mv[i][0] = s->next_picture.motion_val[0][index][0];
+ c->co_located_mv[i][1] = s->next_picture.motion_val[0][index][1];
+ c->direct_basis_mv[i][0]= c->co_located_mv[i][0]*time_pb/time_pp + ((i& 1)<<(shift+3));
+ c->direct_basis_mv[i][1]= c->co_located_mv[i][1]*time_pb/time_pp + ((i>>1)<<(shift+3));
+// c->direct_basis_mv[1][i][0]= c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(shift+3);
+// c->direct_basis_mv[1][i][1]= c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(shift+3);
+
+ max= FFMAX(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->co_located_mv[i][0])>>shift;
+ min= FFMIN(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->co_located_mv[i][0])>>shift;
+ max+= 16*mb_x + 1; // +-1 is for the simpler rounding
+ min+= 16*mb_x - 1;
+ xmax= FFMIN(xmax, s->width - max);
+ xmin= FFMAX(xmin, - 16 - min);
+
+ max= FFMAX(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->co_located_mv[i][1])>>shift;
+ min= FFMIN(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->co_located_mv[i][1])>>shift;
+ max+= 16*mb_y + 1; // +-1 is for the simpler rounding
+ min+= 16*mb_y - 1;
+ ymax= FFMIN(ymax, s->height - max);
+ ymin= FFMAX(ymin, - 16 - min);
+
+ if(s->mv_type == MV_TYPE_16X16) break;
+ }
+
+ av_assert2(xmax <= 15 && ymax <= 15 && xmin >= -16 && ymin >= -16);
+
+ if(xmax < 0 || xmin >0 || ymax < 0 || ymin > 0){
+ s->b_direct_mv_table[mot_xy][0]= 0;
+ s->b_direct_mv_table[mot_xy][1]= 0;
+
+ return 256*256*256*64;
+ }
+
+ c->xmin= xmin;
+ c->ymin= ymin;
+ c->xmax= xmax;
+ c->ymax= ymax;
+ c->flags |= FLAG_DIRECT;
+ c->sub_flags |= FLAG_DIRECT;
+ c->pred_x=0;
+ c->pred_y=0;
+
+ P_LEFT[0] = av_clip(mv_table[mot_xy - 1][0], xmin<<shift, xmax<<shift);
+ P_LEFT[1] = av_clip(mv_table[mot_xy - 1][1], ymin<<shift, ymax<<shift);
+
+ /* special case for first line */
+ if (!s->first_slice_line) { //FIXME maybe allow this over thread boundary as it is clipped
+ P_TOP[0] = av_clip(mv_table[mot_xy - mot_stride ][0], xmin<<shift, xmax<<shift);
+ P_TOP[1] = av_clip(mv_table[mot_xy - mot_stride ][1], ymin<<shift, ymax<<shift);
+ P_TOPRIGHT[0] = av_clip(mv_table[mot_xy - mot_stride + 1 ][0], xmin<<shift, xmax<<shift);
+ P_TOPRIGHT[1] = av_clip(mv_table[mot_xy - mot_stride + 1 ][1], ymin<<shift, ymax<<shift);
+
+ P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
+ P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
+ }
+
+ dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, mv_table, 1<<(16-shift), 0, 16);
+ if(c->sub_flags&FLAG_QPEL)
+ dmin = qpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
+ else
+ dmin = hpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
+
+ if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
+ dmin= get_mb_score(s, mx, my, 0, 0, 0, 16, 1);
+
+ get_limits(s, 16*mb_x, 16*mb_y); //restore c->?min/max, maybe not needed
+
+ mv_table[mot_xy][0]= mx;
+ mv_table[mot_xy][1]= my;
+ c->flags &= ~FLAG_DIRECT;
+ c->sub_flags &= ~FLAG_DIRECT;
+
+ return dmin;
+}
+
+void ff_estimate_b_frame_motion(MpegEncContext * s,
+ int mb_x, int mb_y)
+{
+ MotionEstContext * const c= &s->me;
+ const int penalty_factor= c->mb_penalty_factor;
+ int fmin, bmin, dmin, fbmin, bimin, fimin;
+ int type=0;
+ const int xy = mb_y*s->mb_stride + mb_x;
+ init_ref(c, s->new_picture.f.data, s->last_picture.f.data,
+ s->next_picture.f.data, 16 * mb_x, 16 * mb_y, 2);
+
+ get_limits(s, 16*mb_x, 16*mb_y);
+
+ c->skip=0;
+
+ if (s->codec_id == AV_CODEC_ID_MPEG4 && s->next_picture.mbskip_table[xy]) {
+ int score= direct_search(s, mb_x, mb_y); //FIXME just check 0,0
+
+ score= ((unsigned)(score*score + 128*256))>>16;
+ c->mc_mb_var_sum_temp += score;
+ s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE
+ s->mb_type[mb_y*s->mb_stride + mb_x]= CANDIDATE_MB_TYPE_DIRECT0;
+
+ return;
+ }
+
+ if (s->codec_id == AV_CODEC_ID_MPEG4)
+ dmin= direct_search(s, mb_x, mb_y);
+ else
+ dmin= INT_MAX;
+//FIXME penalty stuff for non mpeg4
+ c->skip=0;
+ fmin= 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;
+ av_dlog(s, " %d %d ", s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1]);
+
+ c->skip=0;
+ fbmin= bidir_refine(s, mb_x, mb_y) + penalty_factor;
+ av_dlog(s, "%d %d %d %d\n", dmin, fmin, bmin, fbmin);
+
+ if(s->flags & CODEC_FLAG_INTERLACED_ME){
+//FIXME mb type penalty
+ c->skip=0;
+ c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
+ fimin= interlaced_search(s, 0,
+ s->b_field_mv_table[0], s->b_field_select_table[0],
+ s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 0);
+ c->current_mv_penalty= c->mv_penalty[s->b_code] + MAX_MV;
+ bimin= interlaced_search(s, 2,
+ s->b_field_mv_table[1], s->b_field_select_table[1],
+ s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 0);
+ }else
+ fimin= bimin= INT_MAX;
+
+ {
+ int score= fmin;
+ type = CANDIDATE_MB_TYPE_FORWARD;
+
+ if (dmin <= score){
+ score = dmin;
+ type = CANDIDATE_MB_TYPE_DIRECT;
+ }
+ if(bmin<score){
+ score=bmin;
+ type= CANDIDATE_MB_TYPE_BACKWARD;
+ }
+ if(fbmin<score){
+ score=fbmin;
+ type= CANDIDATE_MB_TYPE_BIDIR;
+ }
+ if(fimin<score){
+ score=fimin;
+ type= CANDIDATE_MB_TYPE_FORWARD_I;
+ }
+ if(bimin<score){
+ score=bimin;
+ type= CANDIDATE_MB_TYPE_BACKWARD_I;
+ }
+
+ score= ((unsigned)(score*score + 128*256))>>16;
+ c->mc_mb_var_sum_temp += score;
+ s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE
+ }
+
+ if(c->avctx->mb_decision > FF_MB_DECISION_SIMPLE){
+ type= CANDIDATE_MB_TYPE_FORWARD | CANDIDATE_MB_TYPE_BACKWARD | CANDIDATE_MB_TYPE_BIDIR | CANDIDATE_MB_TYPE_DIRECT;
+ if(fimin < INT_MAX)
+ type |= CANDIDATE_MB_TYPE_FORWARD_I;
+ if(bimin < INT_MAX)
+ type |= CANDIDATE_MB_TYPE_BACKWARD_I;
+ if(fimin < INT_MAX && bimin < INT_MAX){
+ type |= CANDIDATE_MB_TYPE_BIDIR_I;
+ }
+ //FIXME something smarter
+ if(dmin>256*256*16) type&= ~CANDIDATE_MB_TYPE_DIRECT; //do not try direct mode if it is invalid for this MB
+ if(s->codec_id == AV_CODEC_ID_MPEG4 && type&CANDIDATE_MB_TYPE_DIRECT && s->flags&CODEC_FLAG_MV0 && *(uint32_t*)s->b_direct_mv_table[xy])
+ type |= CANDIDATE_MB_TYPE_DIRECT0;
+ }
+
+ s->mb_type[mb_y*s->mb_stride + mb_x]= type;
+}
+
+/* find best f_code for ME which do unlimited searches */
+int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type)
+{
+ if(s->me_method>=ME_EPZS){
+ int score[8];
+ int i, y, range= s->avctx->me_range ? s->avctx->me_range : (INT_MAX/2);
+ uint8_t * fcode_tab= s->fcode_tab;
+ int best_fcode=-1;
+ int best_score=-10000000;
+
+ if(s->msmpeg4_version)
+ range= FFMIN(range, 16);
+ else if(s->codec_id == AV_CODEC_ID_MPEG2VIDEO && s->avctx->strict_std_compliance >= FF_COMPLIANCE_NORMAL)
+ range= FFMIN(range, 256);
+
+ for(i=0; i<8; i++) score[i]= s->mb_num*(8-i);
+
+ for(y=0; y<s->mb_height; y++){
+ int x;
+ int xy= y*s->mb_stride;
+ for(x=0; x<s->mb_width; x++){
+ if(s->mb_type[xy] & type){
+ int mx= mv_table[xy][0];
+ int my= mv_table[xy][1];
+ int fcode= FFMAX(fcode_tab[mx + MAX_MV],
+ fcode_tab[my + MAX_MV]);
+ int j;
+
+ if(mx >= range || mx < -range ||
+ my >= range || my < -range)
+ continue;
+
+ for(j=0; j<fcode && j<8; j++){
+ if(s->pict_type==AV_PICTURE_TYPE_B || s->current_picture.mc_mb_var[xy] < s->current_picture.mb_var[xy])
+ score[j]-= 170;
+ }
+ }
+ xy++;
+ }
+ }
+
+ for(i=1; i<8; i++){
+ if(score[i] > best_score){
+ best_score= score[i];
+ best_fcode= i;
+ }
+ }
+
+ return best_fcode;
+ }else{
+ return 1;
+ }
+}
+
+void ff_fix_long_p_mvs(MpegEncContext * s)
+{
+ MotionEstContext * const c= &s->me;
+ const int f_code= s->f_code;
+ int y, range;
+ av_assert0(s->pict_type==AV_PICTURE_TYPE_P);
+
+ range = (((s->out_format == FMT_MPEG1 || s->msmpeg4_version) ? 8 : 16) << f_code);
+
+ av_assert0(range <= 16 || !s->msmpeg4_version);
+ av_assert0(range <=256 || !(s->codec_id == AV_CODEC_ID_MPEG2VIDEO && s->avctx->strict_std_compliance >= FF_COMPLIANCE_NORMAL));
+
+ if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range;
+
+ if(s->flags&CODEC_FLAG_4MV){
+ const int wrap= s->b8_stride;
+
+ /* clip / convert to intra 8x8 type MVs */
+ for(y=0; y<s->mb_height; y++){
+ int xy= y*2*wrap;
+ int i= y*s->mb_stride;
+ int x;
+
+ for(x=0; x<s->mb_width; x++){
+ if(s->mb_type[i]&CANDIDATE_MB_TYPE_INTER4V){
+ int block;
+ for(block=0; block<4; block++){
+ int off= (block& 1) + (block>>1)*wrap;
+ int mx = s->current_picture.motion_val[0][ xy + off ][0];
+ int my = s->current_picture.motion_val[0][ xy + off ][1];
+
+ if( mx >=range || mx <-range
+ || my >=range || my <-range){
+ s->mb_type[i] &= ~CANDIDATE_MB_TYPE_INTER4V;
+ s->mb_type[i] |= CANDIDATE_MB_TYPE_INTRA;
+ s->current_picture.mb_type[i] = CANDIDATE_MB_TYPE_INTRA;
+ }
+ }
+ }
+ xy+=2;
+ i++;
+ }
+ }
+ }
+}
+
+/**
+ *
+ * @param truncate 1 for truncation, 0 for using intra
+ */
+void ff_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_select,
+ int16_t (*mv_table)[2], int f_code, int type, int truncate)
+{
+ MotionEstContext * const c= &s->me;
+ int y, h_range, v_range;
+
+ // RAL: 8 in MPEG-1, 16 in MPEG-4
+ int range = (((s->out_format == FMT_MPEG1 || s->msmpeg4_version) ? 8 : 16) << f_code);
+
+ if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range;
+
+ h_range= range;
+ v_range= field_select_table ? range>>1 : range;
+
+ /* clip / convert to intra 16x16 type MVs */
+ for(y=0; y<s->mb_height; y++){
+ int x;
+ int xy= y*s->mb_stride;
+ for(x=0; x<s->mb_width; x++){
+ if (s->mb_type[xy] & type){ // RAL: "type" test added...
+ if(field_select_table==NULL || field_select_table[xy] == field_select){
+ if( mv_table[xy][0] >=h_range || mv_table[xy][0] <-h_range
+ || mv_table[xy][1] >=v_range || mv_table[xy][1] <-v_range){
+
+ if(truncate){
+ if (mv_table[xy][0] > h_range-1) mv_table[xy][0]= h_range-1;
+ else if(mv_table[xy][0] < -h_range ) mv_table[xy][0]= -h_range;
+ if (mv_table[xy][1] > v_range-1) mv_table[xy][1]= v_range-1;
+ else if(mv_table[xy][1] < -v_range ) mv_table[xy][1]= -v_range;
+ }else{
+ s->mb_type[xy] &= ~type;
+ s->mb_type[xy] |= CANDIDATE_MB_TYPE_INTRA;
+ mv_table[xy][0]=
+ mv_table[xy][1]= 0;
+ }
+ }
+ }
+ }
+ xy++;
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-06 14:19:44 +0000