3 * Copyright (c) 2000,2001 Fabrice Bellard.
4 * Copyright (c) 2002-2004 Michael Niedermayer
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 * new Motion Estimation (X1/EPZS) by Michael Niedermayer <michaelni@gmx.at>
34 #include "mpegvideo.h"
39 #define SQ(a) ((a)*(a))
43 #define P_TOPRIGHT P[3]
47 static inline int sad_hpel_motion_search(MpegEncContext * s,
48 int *mx_ptr, int *my_ptr, int dmin,
49 int src_index, int ref_index,
52 static inline int update_map_generation(MotionEstContext *c)
54 c->map_generation+= 1<<(ME_MAP_MV_BITS*2);
55 if(c->map_generation==0){
56 c->map_generation= 1<<(ME_MAP_MV_BITS*2);
57 memset(c->map, 0, sizeof(uint32_t)*ME_MAP_SIZE);
59 return c->map_generation;
62 /* shape adaptive search stuff */
63 typedef struct Minima{
69 static int minima_cmp(const void *a, const void *b){
70 const Minima *da = (const Minima *) a;
71 const Minima *db = (const Minima *) b;
73 return da->height - db->height;
76 #define FLAG_QPEL 1 //must be 1
80 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){
81 const int offset[3]= {
83 ((y*c->uvstride + x)>>1),
84 ((y*c->uvstride + x)>>1),
88 c->src[0][i]= src [i] + offset[i];
89 c->ref[0][i]= ref [i] + offset[i];
93 c->ref[ref_index][i]= ref2[i] + offset[i];
98 static int get_flags(MotionEstContext *c, int direct, int chroma){
99 return ((c->avctx->flags&CODEC_FLAG_QPEL) ? FLAG_QPEL : 0)
100 + (direct ? FLAG_DIRECT : 0)
101 + (chroma ? FLAG_CHROMA : 0);
104 static always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
105 const int size, const int h, int ref_index, int src_index,
106 me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
107 MotionEstContext * const c= &s->me;
108 const int stride= c->stride;
109 const int uvstride= c->uvstride;
110 const int qpel= flags&FLAG_QPEL;
111 const int chroma= flags&FLAG_CHROMA;
112 const int dxy= subx + (suby<<(1+qpel)); //FIXME log2_subpel?
113 const int hx= subx + (x<<(1+qpel));
114 const int hy= suby + (y<<(1+qpel));
115 uint8_t * const * const ref= c->ref[ref_index];
116 uint8_t * const * const src= c->src[src_index];
118 //FIXME check chroma 4mv, (no crashes ...)
119 if(flags&FLAG_DIRECT){
120 if(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)){
121 const int time_pp= s->pp_time;
122 const int time_pb= s->pb_time;
123 const int mask= 2*qpel+1;
124 if(s->mv_type==MV_TYPE_8X8){
127 int fx = c->direct_basis_mv[i][0] + hx;
128 int fy = c->direct_basis_mv[i][1] + hy;
129 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));
130 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));
131 int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
132 int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
134 uint8_t *dst= c->temp + 8*(i&1) + 8*stride*(i>>1);
136 c->qpel_put[1][fxy](dst, ref[0] + (fx>>2) + (fy>>2)*stride, stride);
137 c->qpel_avg[1][bxy](dst, ref[8] + (bx>>2) + (by>>2)*stride, stride);
139 c->hpel_put[1][fxy](dst, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 8);
140 c->hpel_avg[1][bxy](dst, ref[8] + (bx>>1) + (by>>1)*stride, stride, 8);
144 int fx = c->direct_basis_mv[0][0] + hx;
145 int fy = c->direct_basis_mv[0][1] + hy;
146 int bx = hx ? fx - c->co_located_mv[0][0] : (c->co_located_mv[0][0]*(time_pb - time_pp)/time_pp);
147 int by = hy ? fy - c->co_located_mv[0][1] : (c->co_located_mv[0][1]*(time_pb - time_pp)/time_pp);
148 int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
149 int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
152 c->qpel_put[1][fxy](c->temp , ref[0] + (fx>>2) + (fy>>2)*stride , stride);
153 c->qpel_put[1][fxy](c->temp + 8 , ref[0] + (fx>>2) + (fy>>2)*stride + 8 , stride);
154 c->qpel_put[1][fxy](c->temp + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8*stride, stride);
155 c->qpel_put[1][fxy](c->temp + 8 + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8 + 8*stride, stride);
156 c->qpel_avg[1][bxy](c->temp , ref[8] + (bx>>2) + (by>>2)*stride , stride);
157 c->qpel_avg[1][bxy](c->temp + 8 , ref[8] + (bx>>2) + (by>>2)*stride + 8 , stride);
158 c->qpel_avg[1][bxy](c->temp + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8*stride, stride);
159 c->qpel_avg[1][bxy](c->temp + 8 + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8 + 8*stride, stride);
161 assert((fx>>1) + 16*s->mb_x >= -16);
162 assert((fy>>1) + 16*s->mb_y >= -16);
163 assert((fx>>1) + 16*s->mb_x <= s->width);
164 assert((fy>>1) + 16*s->mb_y <= s->height);
165 assert((bx>>1) + 16*s->mb_x >= -16);
166 assert((by>>1) + 16*s->mb_y >= -16);
167 assert((bx>>1) + 16*s->mb_x <= s->width);
168 assert((by>>1) + 16*s->mb_y <= s->height);
170 c->hpel_put[0][fxy](c->temp, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 16);
171 c->hpel_avg[0][bxy](c->temp, ref[8] + (bx>>1) + (by>>1)*stride, stride, 16);
174 d = cmp_func(s, c->temp, src[0], stride, 16);
181 c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride); //FIXME prototype (add h)
187 uvdxy= (cx&1) + 2*(cy&1);
188 //FIXME x/y wrong, but mpeg4 qpel is sick anyway, we should drop as much of it as possible in favor for h264
191 c->hpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride, h);
193 uvdxy= dxy | (x&1) | (2*(y&1));
195 d = cmp_func(s, c->temp, src[0], stride, h);
197 d = cmp_func(s, src[0], ref[0] + x + y*stride, stride, h);
199 uvdxy= (x&1) + 2*(y&1);
202 uint8_t * const uvtemp= c->temp + 16*stride;
203 c->hpel_put[size+1][uvdxy](uvtemp , ref[1] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
204 c->hpel_put[size+1][uvdxy](uvtemp+8, ref[2] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
205 d += chroma_cmp_func(s, uvtemp , src[1], uvstride, h>>1);
206 d += chroma_cmp_func(s, uvtemp+8, src[2], uvstride, h>>1);
211 const int index= (((y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1);
215 d += (c->mv_penalty[hx - c->pred_x] + c->mv_penalty[hy - c->pred_y])*c->penalty_factor;
220 #include "motion_est_template.c"
222 static inline int get_penalty_factor(MpegEncContext *s, int type){
226 return s->lambda>>FF_LAMBDA_SHIFT;
228 return (3*s->lambda)>>(FF_LAMBDA_SHIFT+1);
230 return (2*s->lambda)>>FF_LAMBDA_SHIFT;
235 return s->lambda2>>FF_LAMBDA_SHIFT;
241 void ff_init_me(MpegEncContext *s){
242 MotionEstContext * const c= &s->me;
245 ff_set_cmp(&s->dsp, s->dsp.me_pre_cmp, c->avctx->me_pre_cmp);
246 ff_set_cmp(&s->dsp, s->dsp.me_cmp, c->avctx->me_cmp);
247 ff_set_cmp(&s->dsp, s->dsp.me_sub_cmp, c->avctx->me_sub_cmp);
248 ff_set_cmp(&s->dsp, s->dsp.mb_cmp, c->avctx->mb_cmp);
250 c->flags = get_flags(c, 0, c->avctx->me_cmp &FF_CMP_CHROMA);
251 c->sub_flags= get_flags(c, 0, c->avctx->me_sub_cmp&FF_CMP_CHROMA);
252 c->mb_flags = get_flags(c, 0, c->avctx->mb_cmp &FF_CMP_CHROMA);
254 /*FIXME s->no_rounding b_type*/
255 if(s->flags&CODEC_FLAG_QPEL){
256 c->sub_motion_search= qpel_motion_search;
257 c->qpel_avg= s->dsp.avg_qpel_pixels_tab;
258 if(s->no_rounding) c->qpel_put= s->dsp.put_no_rnd_qpel_pixels_tab;
259 else c->qpel_put= s->dsp.put_qpel_pixels_tab;
261 if(c->avctx->me_sub_cmp&FF_CMP_CHROMA)
262 c->sub_motion_search= hpel_motion_search;
263 else if( c->avctx->me_sub_cmp == FF_CMP_SAD
264 && c->avctx-> me_cmp == FF_CMP_SAD
265 && c->avctx-> mb_cmp == FF_CMP_SAD)
266 c->sub_motion_search= sad_hpel_motion_search; // 2050 vs. 2450 cycles
268 c->sub_motion_search= hpel_motion_search;
269 c->hpel_avg= s->dsp.avg_pixels_tab;
270 if(s->no_rounding) c->hpel_put= s->dsp.put_no_rnd_pixels_tab;
271 else c->hpel_put= s->dsp.put_pixels_tab;
274 c->stride = s->linesize;
275 c->uvstride= s->uvlinesize;
277 c->stride = 16*s->mb_width + 32;
278 c->uvstride= 8*s->mb_width + 16;
281 c->temp= c->scratchpad;
285 static int pix_dev(uint8_t * pix, int line_size, int mean)
290 for (i = 0; i < 16; i++) {
291 for (j = 0; j < 16; j += 8) {
292 s += ABS(pix[0]-mean);
293 s += ABS(pix[1]-mean);
294 s += ABS(pix[2]-mean);
295 s += ABS(pix[3]-mean);
296 s += ABS(pix[4]-mean);
297 s += ABS(pix[5]-mean);
298 s += ABS(pix[6]-mean);
299 s += ABS(pix[7]-mean);
302 pix += line_size - 16;
308 static inline void no_motion_search(MpegEncContext * s,
309 int *mx_ptr, int *my_ptr)
311 *mx_ptr = 16 * s->mb_x;
312 *my_ptr = 16 * s->mb_y;
315 static int full_motion_search(MpegEncContext * s,
316 int *mx_ptr, int *my_ptr, int range,
317 int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
319 int x1, y1, x2, y2, xx, yy, x, y;
325 x1 = xx - range + 1; /* we loose one pixel to avoid boundary pb with half pixel pred */
337 pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
341 for (y = y1; y <= y2; y++) {
342 for (x = x1; x <= x2; x++) {
343 d = s->dsp.pix_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x,
347 (abs(x - xx) + abs(y - yy)) <
348 (abs(mx - xx) + abs(my - yy)))) {
360 if (*mx_ptr < -(2 * range) || *mx_ptr >= (2 * range) ||
361 *my_ptr < -(2 * range) || *my_ptr >= (2 * range)) {
362 fprintf(stderr, "error %d %d\n", *mx_ptr, *my_ptr);
369 static int log_motion_search(MpegEncContext * s,
370 int *mx_ptr, int *my_ptr, int range,
371 int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
373 int x1, y1, x2, y2, xx, yy, x, y;
400 pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
406 for (y = y1; y <= y2; y += range) {
407 for (x = x1; x <= x2; x += range) {
408 d = s->dsp.pix_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x, s->linesize, 16);
409 if (d < dmin || (d == dmin && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
435 } while (range >= 1);
438 fprintf(stderr, "log - MX: %d\tMY: %d\n", mx, my);
445 static int phods_motion_search(MpegEncContext * s,
446 int *mx_ptr, int *my_ptr, int range,
447 int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
449 int x1, y1, x2, y2, xx, yy, x, y, lastx, d;
450 int mx, my, dminx, dminy;
476 pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
487 for (x = x1; x <= x2; x += range) {
488 d = s->dsp.pix_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x, s->linesize, 16);
489 if (d < dminx || (d == dminx && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
496 for (y = y1; y <= y2; y += range) {
497 d = s->dsp.pix_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x, s->linesize, 16);
498 if (d < dminy || (d == dminy && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
524 } while (range >= 1);
527 fprintf(stderr, "phods - MX: %d\tMY: %d\n", mx, my);
530 /* half pixel search */
537 #define Z_THRESHOLD 256
539 #define CHECK_SAD_HALF_MV(suffix, x, y) \
541 d= s->dsp.pix_abs[size][(x?1:0)+(y?2:0)](NULL, pix, ptr+((x)>>1), stride, h);\
542 d += (mv_penalty[pen_x + x] + mv_penalty[pen_y + y])*penalty_factor;\
543 COPY3_IF_LT(dminh, d, dx, x, dy, y)\
546 static inline int sad_hpel_motion_search(MpegEncContext * s,
547 int *mx_ptr, int *my_ptr, int dmin,
548 int src_index, int ref_index,
551 MotionEstContext * const c= &s->me;
552 const int penalty_factor= c->sub_penalty_factor;
555 int stride= c->stride;
556 const int flags= c->sub_flags;
569 pix = c->src[src_index][0];
573 ptr = c->ref[ref_index][0] + (my * stride) + mx;
577 if (mx > xmin && mx < xmax &&
578 my > ymin && my < ymax) {
581 const int index= (my<<ME_MAP_SHIFT) + mx;
582 const int t= score_map[(index-(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
583 const int l= score_map[(index- 1 )&(ME_MAP_SIZE-1)];
584 const int r= score_map[(index+ 1 )&(ME_MAP_SIZE-1)];
585 const int b= score_map[(index+(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
595 CHECK_SAD_HALF_MV(y2 , 0, -1)
597 CHECK_SAD_HALF_MV(xy2, -1, -1)
599 CHECK_SAD_HALF_MV(xy2, +1, -1)
603 CHECK_SAD_HALF_MV(xy2, -1, +1)
605 CHECK_SAD_HALF_MV(x2 , -1, 0)
607 CHECK_SAD_HALF_MV(xy2, +1, -1)
609 CHECK_SAD_HALF_MV(xy2, -1, -1)
613 CHECK_SAD_HALF_MV(xy2, +1, +1)
615 CHECK_SAD_HALF_MV(x2 , +1, 0)
620 CHECK_SAD_HALF_MV(xy2, -1, -1)
624 CHECK_SAD_HALF_MV(xy2, +1, +1)
626 CHECK_SAD_HALF_MV(x2 , -1, 0)
627 CHECK_SAD_HALF_MV(xy2, -1, +1)
630 CHECK_SAD_HALF_MV(xy2, +1, -1)
634 CHECK_SAD_HALF_MV(xy2, -1, +1)
636 CHECK_SAD_HALF_MV(x2 , +1, 0)
637 CHECK_SAD_HALF_MV(xy2, +1, +1)
639 CHECK_SAD_HALF_MV(y2 , 0, +1)
654 static inline void set_p_mv_tables(MpegEncContext * s, int mx, int my, int mv4)
656 const int xy= s->mb_x + s->mb_y*s->mb_stride;
658 s->p_mv_table[xy][0] = mx;
659 s->p_mv_table[xy][1] = my;
661 /* has allready been set to the 4 MV if 4MV is done */
663 int mot_xy= s->block_index[0];
665 s->current_picture.motion_val[0][mot_xy ][0]= mx;
666 s->current_picture.motion_val[0][mot_xy ][1]= my;
667 s->current_picture.motion_val[0][mot_xy+1][0]= mx;
668 s->current_picture.motion_val[0][mot_xy+1][1]= my;
670 mot_xy += s->b8_stride;
671 s->current_picture.motion_val[0][mot_xy ][0]= mx;
672 s->current_picture.motion_val[0][mot_xy ][1]= my;
673 s->current_picture.motion_val[0][mot_xy+1][0]= mx;
674 s->current_picture.motion_val[0][mot_xy+1][1]= my;
679 * get fullpel ME search limits.
681 static inline void get_limits(MpegEncContext *s, int x, int y)
683 MotionEstContext * const c= &s->me;
685 if(c->avctx->me_range) c->range= c->avctx->me_range >> 1;
688 if (s->unrestricted_mv) {
691 c->xmax = - x + s->mb_width *16;
692 c->ymax = - y + s->mb_height*16;
696 c->xmax = - x + s->mb_width *16 - 16;
697 c->ymax = - y + s->mb_height*16 - 16;
701 static inline void init_mv4_ref(MotionEstContext *c){
702 const int stride= c->stride;
704 c->ref[1][0] = c->ref[0][0] + 8;
705 c->ref[2][0] = c->ref[0][0] + 8*stride;
706 c->ref[3][0] = c->ref[2][0] + 8;
707 c->src[1][0] = c->src[0][0] + 8;
708 c->src[2][0] = c->src[0][0] + 8*stride;
709 c->src[3][0] = c->src[2][0] + 8;
712 static inline int h263_mv4_search(MpegEncContext *s, int mx, int my, int shift)
714 MotionEstContext * const c= &s->me;
719 int dmin_sum=0, mx4_sum=0, my4_sum=0;
721 const int stride= c->stride;
722 const int uvstride= c->uvstride;
723 uint8_t *mv_penalty= c->current_mv_penalty;
727 for(block=0; block<4; block++){
729 int pred_x4, pred_y4;
731 static const int off[4]= {2, 1, 1, -1};
732 const int mot_stride = s->b8_stride;
733 const int mot_xy = s->block_index[block];
735 P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0];
736 P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1];
738 if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift);
740 /* special case for first line */
741 if (s->first_slice_line && block<2) {
742 c->pred_x= pred_x4= P_LEFT[0];
743 c->pred_y= pred_y4= P_LEFT[1];
745 P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0];
746 P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1];
747 P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][0];
748 P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][1];
749 if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift);
750 if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
751 if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift);
752 if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
754 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
755 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
757 c->pred_x= pred_x4 = P_MEDIAN[0];
758 c->pred_y= pred_y4 = P_MEDIAN[1];
763 dmin4 = epzs_motion_search4(s, &mx4, &my4, P, block, block, s->p_mv_table, (1<<16)>>shift);
765 dmin4= c->sub_motion_search(s, &mx4, &my4, dmin4, block, block, size, h);
767 if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
769 const int offset= ((block&1) + (block>>1)*stride)*8;
770 uint8_t *dest_y = c->scratchpad + offset;
771 if(s->quarter_sample){
772 uint8_t *ref= c->ref[block][0] + (mx4>>2) + (my4>>2)*stride;
773 dxy = ((my4 & 3) << 2) | (mx4 & 3);
776 s->dsp.put_no_rnd_qpel_pixels_tab[1][dxy](dest_y , ref , stride);
778 s->dsp.put_qpel_pixels_tab [1][dxy](dest_y , ref , stride);
780 uint8_t *ref= c->ref[block][0] + (mx4>>1) + (my4>>1)*stride;
781 dxy = ((my4 & 1) << 1) | (mx4 & 1);
784 s->dsp.put_no_rnd_pixels_tab[1][dxy](dest_y , ref , stride, h);
786 s->dsp.put_pixels_tab [1][dxy](dest_y , ref , stride, h);
788 dmin_sum+= (mv_penalty[mx4-pred_x4] + mv_penalty[my4-pred_y4])*c->mb_penalty_factor;
792 if(s->quarter_sample){
800 s->current_picture.motion_val[0][ s->block_index[block] ][0]= mx4;
801 s->current_picture.motion_val[0][ s->block_index[block] ][1]= my4;
803 if(mx4 != mx || my4 != my) same=0;
809 if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
810 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);
813 if(c->avctx->mb_cmp&FF_CMP_CHROMA){
818 mx= ff_h263_round_chroma(mx4_sum);
819 my= ff_h263_round_chroma(my4_sum);
820 dxy = ((my & 1) << 1) | (mx & 1);
822 offset= (s->mb_x*8 + (mx>>1)) + (s->mb_y*8 + (my>>1))*s->uvlinesize;
825 s->dsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad , s->last_picture.data[1] + offset, s->uvlinesize, 8);
826 s->dsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad+8 , s->last_picture.data[2] + offset, s->uvlinesize, 8);
828 s->dsp.put_pixels_tab [1][dxy](c->scratchpad , s->last_picture.data[1] + offset, s->uvlinesize, 8);
829 s->dsp.put_pixels_tab [1][dxy](c->scratchpad+8 , s->last_picture.data[2] + offset, s->uvlinesize, 8);
832 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);
833 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);
839 switch(c->avctx->mb_cmp&0xFF){
841 return dmin_sum+ 32*s->qscale*s->qscale;*/
845 return dmin_sum+ 11*c->mb_penalty_factor;
849 static inline void init_interlaced_ref(MpegEncContext *s, int ref_index){
850 MotionEstContext * const c= &s->me;
852 c->ref[1+ref_index][0] = c->ref[0+ref_index][0] + s->linesize;
853 c->src[1][0] = c->src[0][0] + s->linesize;
854 if(c->flags & FLAG_CHROMA){
855 c->ref[1+ref_index][1] = c->ref[0+ref_index][1] + s->uvlinesize;
856 c->ref[1+ref_index][2] = c->ref[0+ref_index][2] + s->uvlinesize;
857 c->src[1][1] = c->src[0][1] + s->uvlinesize;
858 c->src[1][2] = c->src[0][2] + s->uvlinesize;
862 static int interlaced_search(MpegEncContext *s, int ref_index,
863 int16_t (*mv_tables[2][2])[2], uint8_t *field_select_tables[2], int mx, int my, int user_field_select)
865 MotionEstContext * const c= &s->me;
870 uint8_t * const mv_penalty= c->current_mv_penalty;
872 const int stride= 2*s->linesize;
873 const int uvstride= 2*s->uvlinesize;
875 const int mot_stride= s->mb_stride;
876 const int xy= s->mb_x + s->mb_y*mot_stride;
882 init_interlaced_ref(s, ref_index);
884 for(block=0; block<2; block++){
886 int best_dmin= INT_MAX;
889 for(field_select=0; field_select<2; field_select++){
890 int dmin, mx_i, my_i;
891 int16_t (*mv_table)[2]= mv_tables[block][field_select];
893 if(user_field_select){
894 if(field_select_tables[block][xy] != field_select)
898 P_LEFT[0] = mv_table[xy - 1][0];
899 P_LEFT[1] = mv_table[xy - 1][1];
900 if(P_LEFT[0] > (c->xmax<<1)) P_LEFT[0] = (c->xmax<<1);
902 c->pred_x= P_LEFT[0];
903 c->pred_y= P_LEFT[1];
905 if(!s->first_slice_line){
906 P_TOP[0] = mv_table[xy - mot_stride][0];
907 P_TOP[1] = mv_table[xy - mot_stride][1];
908 P_TOPRIGHT[0] = mv_table[xy - mot_stride + 1][0];
909 P_TOPRIGHT[1] = mv_table[xy - mot_stride + 1][1];
910 if(P_TOP[1] > (c->ymax<<1)) P_TOP[1] = (c->ymax<<1);
911 if(P_TOPRIGHT[0] < (c->xmin<<1)) P_TOPRIGHT[0]= (c->xmin<<1);
912 if(P_TOPRIGHT[0] > (c->xmax<<1)) P_TOPRIGHT[0]= (c->xmax<<1);
913 if(P_TOPRIGHT[1] > (c->ymax<<1)) P_TOPRIGHT[1]= (c->ymax<<1);
915 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
916 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
918 P_MV1[0]= mx; //FIXME not correct if block != field_select
921 dmin = epzs_motion_search2(s, &mx_i, &my_i, P, block, field_select+ref_index, mv_table, (1<<16)>>1);
923 dmin= c->sub_motion_search(s, &mx_i, &my_i, dmin, block, field_select+ref_index, size, h);
925 mv_table[xy][0]= mx_i;
926 mv_table[xy][1]= my_i;
928 if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
932 uint8_t *ref= c->ref[field_select+ref_index][0] + (mx_i>>1) + (my_i>>1)*stride;
933 dxy = ((my_i & 1) << 1) | (mx_i & 1);
936 s->dsp.put_no_rnd_pixels_tab[size][dxy](c->scratchpad, ref , stride, h);
938 s->dsp.put_pixels_tab [size][dxy](c->scratchpad, ref , stride, h);
940 dmin= s->dsp.mb_cmp[size](s, c->src[block][0], c->scratchpad, stride, h);
941 dmin+= (mv_penalty[mx_i-c->pred_x] + mv_penalty[my_i-c->pred_y] + 1)*c->mb_penalty_factor;
943 dmin+= c->mb_penalty_factor; //field_select bits
945 dmin += field_select != block; //slightly prefer same field
947 if(dmin < best_dmin){
949 best_field= field_select;
953 int16_t (*mv_table)[2]= mv_tables[block][best_field];
955 if(mv_table[xy][0] != mx) same=0; //FIXME check if these checks work and are any good at all
956 if(mv_table[xy][1]&1) same=0;
957 if(mv_table[xy][1]*2 != my) same=0;
958 if(best_field != block) same=0;
961 field_select_tables[block][xy]= best_field;
962 dmin_sum += best_dmin;
973 switch(c->avctx->mb_cmp&0xFF){
975 return dmin_sum+ 32*s->qscale*s->qscale;*/
979 return dmin_sum+ 11*c->mb_penalty_factor;
983 static inline int check_input_motion(MpegEncContext * s, int mb_x, int mb_y, int p_type){
984 MotionEstContext * const c= &s->me;
985 Picture *p= s->current_picture_ptr;
986 int mb_xy= mb_x + mb_y*s->mb_stride;
987 int xy= 2*mb_x + 2*mb_y*s->b8_stride;
988 int mb_type= s->current_picture.mb_type[mb_xy];
990 int shift= (flags&FLAG_QPEL) + 1;
991 int mask= (1<<shift)-1;
994 me_cmp_func cmpf= s->dsp.sse[0];
995 me_cmp_func chroma_cmpf= s->dsp.sse[1];
997 assert(p_type==0 || !USES_LIST(mb_type, 1));
998 assert(IS_INTRA(mb_type) || USES_LIST(mb_type,0) || USES_LIST(mb_type,1));
1000 if(IS_INTERLACED(mb_type)){
1001 int xy2= xy + s->b8_stride;
1002 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTRA;
1006 if(!(s->flags & CODEC_FLAG_INTERLACED_ME)){
1007 av_log(c->avctx, AV_LOG_ERROR, "Interlaced macroblock selected but interlaced motion estimation disabled\n");
1011 if(USES_LIST(mb_type, 0)){
1012 int field_select0= p->ref_index[0][xy ];
1013 int field_select1= p->ref_index[0][xy2];
1014 assert(field_select0==0 ||field_select0==1);
1015 assert(field_select1==0 ||field_select1==1);
1016 init_interlaced_ref(s, 0);
1019 s->p_field_select_table[0][mb_xy]= field_select0;
1020 s->p_field_select_table[1][mb_xy]= field_select1;
1021 *(uint32_t*)s->p_field_mv_table[0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[0][xy ];
1022 *(uint32_t*)s->p_field_mv_table[1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[0][xy2];
1023 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER_I;
1025 s->b_field_select_table[0][0][mb_xy]= field_select0;
1026 s->b_field_select_table[0][1][mb_xy]= field_select1;
1027 *(uint32_t*)s->b_field_mv_table[0][0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[0][xy ];
1028 *(uint32_t*)s->b_field_mv_table[0][1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[0][xy2];
1029 s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_FORWARD_I;
1032 x= p->motion_val[0][xy ][0];
1033 y= p->motion_val[0][xy ][1];
1034 d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select0, 0, cmpf, chroma_cmpf, flags);
1035 x= p->motion_val[0][xy2][0];
1036 y= p->motion_val[0][xy2][1];
1037 d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select1, 1, cmpf, chroma_cmpf, flags);
1039 if(USES_LIST(mb_type, 1)){
1040 int field_select0= p->ref_index[1][xy ];
1041 int field_select1= p->ref_index[1][xy2];
1042 assert(field_select0==0 ||field_select0==1);
1043 assert(field_select1==0 ||field_select1==1);
1044 init_interlaced_ref(s, 2);
1046 s->b_field_select_table[1][0][mb_xy]= field_select0;
1047 s->b_field_select_table[1][1][mb_xy]= field_select1;
1048 *(uint32_t*)s->b_field_mv_table[1][0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[1][xy ];
1049 *(uint32_t*)s->b_field_mv_table[1][1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[1][xy2];
1050 if(USES_LIST(mb_type, 0)){
1051 s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_BIDIR_I;
1053 s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_BACKWARD_I;
1056 x= p->motion_val[1][xy ][0];
1057 y= p->motion_val[1][xy ][1];
1058 d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select0+2, 0, cmpf, chroma_cmpf, flags);
1059 x= p->motion_val[1][xy2][0];
1060 y= p->motion_val[1][xy2][1];
1061 d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select1+2, 1, cmpf, chroma_cmpf, flags);
1062 //FIXME bidir scores
1066 }else if(IS_8X8(mb_type)){
1067 if(!(s->flags & CODEC_FLAG_4MV)){
1068 av_log(c->avctx, AV_LOG_ERROR, "4MV macroblock selected but 4MV encoding disabled\n");
1071 cmpf= s->dsp.sse[1];
1072 chroma_cmpf= s->dsp.sse[1];
1075 xy= s->block_index[i];
1076 x= p->motion_val[0][xy][0];
1077 y= p->motion_val[0][xy][1];
1078 d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 1, 8, i, i, cmpf, chroma_cmpf, flags);
1080 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER4V;
1082 if(USES_LIST(mb_type, 0)){
1084 *(uint32_t*)s->p_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy];
1085 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER;
1086 }else if(USES_LIST(mb_type, 1)){
1087 *(uint32_t*)s->b_bidir_forw_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy];
1088 *(uint32_t*)s->b_bidir_back_mv_table[mb_xy]= *(uint32_t*)p->motion_val[1][xy];
1089 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_BIDIR;
1091 *(uint32_t*)s->b_forw_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy];
1092 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_FORWARD;
1094 x= p->motion_val[0][xy][0];
1095 y= p->motion_val[0][xy][1];
1096 d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 16, 0, 0, cmpf, chroma_cmpf, flags);
1097 }else if(USES_LIST(mb_type, 1)){
1098 *(uint32_t*)s->b_back_mv_table[mb_xy]= *(uint32_t*)p->motion_val[1][xy];
1099 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_BACKWARD;
1101 x= p->motion_val[1][xy][0];
1102 y= p->motion_val[1][xy][1];
1103 d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 16, 2, 0, cmpf, chroma_cmpf, flags);
1105 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTRA;
1110 void ff_estimate_p_frame_motion(MpegEncContext * s,
1113 MotionEstContext * const c= &s->me;
1114 uint8_t *pix, *ppix;
1115 int sum, varc, vard, mx, my, dmin;
1117 const int shift= 1+s->quarter_sample;
1119 Picture * const pic= &s->current_picture;
1121 init_ref(c, s->new_picture.data, s->last_picture.data, NULL, 16*mb_x, 16*mb_y, 0);
1123 assert(s->quarter_sample==0 || s->quarter_sample==1);
1124 assert(s->linesize == c->stride);
1125 assert(s->uvlinesize == c->uvstride);
1127 c->penalty_factor = get_penalty_factor(s, c->avctx->me_cmp);
1128 c->sub_penalty_factor= get_penalty_factor(s, c->avctx->me_sub_cmp);
1129 c->mb_penalty_factor = get_penalty_factor(s, c->avctx->mb_cmp);
1130 c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
1132 get_limits(s, 16*mb_x, 16*mb_y);
1135 /* intra / predictive decision */
1137 sum = s->dsp.pix_sum(pix, s->linesize);
1138 varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
1140 pic->mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
1141 pic->mb_var [s->mb_stride * mb_y + mb_x] = varc;
1142 c->mb_var_sum_temp += varc;
1144 if(c->avctx->me_threshold){
1145 vard= (check_input_motion(s, mb_x, mb_y, 1)+128)>>8;
1147 if(vard<c->avctx->me_threshold){
1148 pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = vard;
1149 c->mc_mb_var_sum_temp += vard;
1150 if (vard <= 64 || vard < varc) { //FIXME
1151 c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
1153 c->scene_change_score+= s->qscale;
1157 if(vard<c->avctx->mb_threshold)
1158 mb_type= s->mb_type[mb_x + mb_y*s->mb_stride];
1161 switch(s->me_method) {
1164 no_motion_search(s, &mx, &my);
1171 dmin = full_motion_search(s, &mx, &my, range, ref_picture);
1176 dmin = log_motion_search(s, &mx, &my, range / 2, ref_picture);
1181 dmin = phods_motion_search(s, &mx, &my, range / 2, ref_picture);
1189 const int mot_stride = s->b8_stride;
1190 const int mot_xy = s->block_index[0];
1192 P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0];
1193 P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1];
1195 if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift);
1197 if(!s->first_slice_line) {
1198 P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0];
1199 P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1];
1200 P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][0];
1201 P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][1];
1202 if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift);
1203 if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
1204 if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
1206 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1207 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1209 if(s->out_format == FMT_H263){
1210 c->pred_x = P_MEDIAN[0];
1211 c->pred_y = P_MEDIAN[1];
1212 }else { /* mpeg1 at least */
1213 c->pred_x= P_LEFT[0];
1214 c->pred_y= P_LEFT[1];
1217 c->pred_x= P_LEFT[0];
1218 c->pred_y= P_LEFT[1];
1222 dmin = epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift);
1227 /* At this point (mx,my) are full-pell and the relative displacement */
1228 ppix = c->ref[0][0] + (my * s->linesize) + mx;
1230 vard = (s->dsp.sse[0](NULL, pix, ppix, s->linesize, 16)+128)>>8;
1232 pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = vard;
1233 // pic->mb_cmp_score[s->mb_stride * mb_y + mb_x] = dmin;
1234 c->mc_mb_var_sum_temp += vard;
1237 printf("varc=%4d avg_var=%4d (sum=%4d) vard=%4d mx=%2d my=%2d\n",
1238 varc, s->avg_mb_var, sum, vard, mx - xx, my - yy);
1241 if (vard <= 64 || vard < varc)
1242 c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
1244 c->scene_change_score+= s->qscale;
1246 if(mb_type == CANDIDATE_MB_TYPE_INTER){
1247 c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1248 set_p_mv_tables(s, mx, my, 1);
1253 if(mb_type == CANDIDATE_MB_TYPE_INTER4V){
1254 h263_mv4_search(s, mx, my, shift);
1256 set_p_mv_tables(s, mx, my, 0);
1258 if(mb_type == CANDIDATE_MB_TYPE_INTER_I){
1259 interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 1);
1261 }else if(c->avctx->mb_decision > FF_MB_DECISION_SIMPLE){
1262 if (vard <= 64 || vard < varc)
1263 c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
1265 c->scene_change_score+= s->qscale;
1267 if (vard*2 + 200 > varc)
1268 mb_type|= CANDIDATE_MB_TYPE_INTRA;
1269 if (varc*2 + 200 > vard){
1270 mb_type|= CANDIDATE_MB_TYPE_INTER;
1271 c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1272 if(s->flags&CODEC_FLAG_MV0)
1274 mb_type |= CANDIDATE_MB_TYPE_SKIPED; //FIXME check difference
1279 if((s->flags&CODEC_FLAG_4MV)
1280 && !c->skip && varc>50 && vard>10){
1281 if(h263_mv4_search(s, mx, my, shift) < INT_MAX)
1282 mb_type|=CANDIDATE_MB_TYPE_INTER4V;
1284 set_p_mv_tables(s, mx, my, 0);
1286 set_p_mv_tables(s, mx, my, 1);
1287 if((s->flags&CODEC_FLAG_INTERLACED_ME)
1288 && !c->skip){ //FIXME varc/d checks
1289 if(interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0) < INT_MAX)
1290 mb_type |= CANDIDATE_MB_TYPE_INTER_I;
1294 mb_type= CANDIDATE_MB_TYPE_INTER;
1296 dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1297 if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
1298 dmin= get_mb_score(s, mx, my, 0, 0);
1300 if((s->flags&CODEC_FLAG_4MV)
1301 && !c->skip && varc>50 && vard>10){
1302 int dmin4= h263_mv4_search(s, mx, my, shift);
1304 mb_type= CANDIDATE_MB_TYPE_INTER4V;
1308 if((s->flags&CODEC_FLAG_INTERLACED_ME)
1309 && !c->skip){ //FIXME varc/d checks
1310 int dmin_i= interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0);
1312 mb_type = CANDIDATE_MB_TYPE_INTER_I;
1317 // pic->mb_cmp_score[s->mb_stride * mb_y + mb_x] = dmin;
1318 set_p_mv_tables(s, mx, my, mb_type!=CANDIDATE_MB_TYPE_INTER4V);
1320 /* get intra luma score */
1321 if((c->avctx->mb_cmp&0xFF)==FF_CMP_SSE){
1322 intra_score= (varc<<8) - 500; //FIXME dont scale it down so we dont have to fix it
1324 int mean= (sum+128)>>8;
1327 for(i=0; i<16; i++){
1328 *(uint32_t*)(&c->scratchpad[i*s->linesize+ 0]) = mean;
1329 *(uint32_t*)(&c->scratchpad[i*s->linesize+ 4]) = mean;
1330 *(uint32_t*)(&c->scratchpad[i*s->linesize+ 8]) = mean;
1331 *(uint32_t*)(&c->scratchpad[i*s->linesize+12]) = mean;
1334 intra_score= s->dsp.mb_cmp[0](s, c->scratchpad, pix, s->linesize, 16);
1337 /* get chroma score */
1338 if(c->avctx->mb_cmp&FF_CMP_CHROMA){
1343 if(s->out_format == FMT_H263){
1344 mean= (s->dc_val[i][mb_x + mb_y*s->b8_stride] + 4)>>3; //FIXME not exact but simple ;)
1346 mean= (s->last_dc[i] + 4)>>3;
1348 dest_c = s->new_picture.data[i] + (mb_y * 8 * (s->uvlinesize)) + mb_x * 8;
1352 *(uint32_t*)(&c->scratchpad[i*s->uvlinesize+ 0]) = mean;
1353 *(uint32_t*)(&c->scratchpad[i*s->uvlinesize+ 4]) = mean;
1356 intra_score+= s->dsp.mb_cmp[1](s, c->scratchpad, dest_c, s->uvlinesize);
1360 intra_score += c->mb_penalty_factor*16;
1362 if(intra_score < dmin){
1363 mb_type= CANDIDATE_MB_TYPE_INTRA;
1364 s->current_picture.mb_type[mb_y*s->mb_stride + mb_x]= CANDIDATE_MB_TYPE_INTRA; //FIXME cleanup
1366 s->current_picture.mb_type[mb_y*s->mb_stride + mb_x]= 0;
1368 if (vard <= 64 || vard < varc) { //FIXME
1369 c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
1371 c->scene_change_score+= s->qscale;
1375 s->mb_type[mb_y*s->mb_stride + mb_x]= mb_type;
1378 int ff_pre_estimate_p_frame_motion(MpegEncContext * s,
1381 MotionEstContext * const c= &s->me;
1384 const int shift= 1+s->quarter_sample;
1385 const int xy= mb_x + mb_y*s->mb_stride;
1386 init_ref(c, s->new_picture.data, s->last_picture.data, NULL, 16*mb_x, 16*mb_y, 0);
1388 assert(s->quarter_sample==0 || s->quarter_sample==1);
1390 c->pre_penalty_factor = get_penalty_factor(s, c->avctx->me_pre_cmp);
1391 c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
1393 get_limits(s, 16*mb_x, 16*mb_y);
1396 P_LEFT[0] = s->p_mv_table[xy + 1][0];
1397 P_LEFT[1] = s->p_mv_table[xy + 1][1];
1399 if(P_LEFT[0] < (c->xmin<<shift)) P_LEFT[0] = (c->xmin<<shift);
1401 /* special case for first line */
1402 if (s->first_slice_line) {
1403 c->pred_x= P_LEFT[0];
1404 c->pred_y= P_LEFT[1];
1405 P_TOP[0]= P_TOPRIGHT[0]= P_MEDIAN[0]=
1406 P_TOP[1]= P_TOPRIGHT[1]= P_MEDIAN[1]= 0; //FIXME
1408 P_TOP[0] = s->p_mv_table[xy + s->mb_stride ][0];
1409 P_TOP[1] = s->p_mv_table[xy + s->mb_stride ][1];
1410 P_TOPRIGHT[0] = s->p_mv_table[xy + s->mb_stride - 1][0];
1411 P_TOPRIGHT[1] = s->p_mv_table[xy + s->mb_stride - 1][1];
1412 if(P_TOP[1] < (c->ymin<<shift)) P_TOP[1] = (c->ymin<<shift);
1413 if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift);
1414 if(P_TOPRIGHT[1] < (c->ymin<<shift)) P_TOPRIGHT[1]= (c->ymin<<shift);
1416 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1417 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1419 c->pred_x = P_MEDIAN[0];
1420 c->pred_y = P_MEDIAN[1];
1423 dmin = epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift);
1425 s->p_mv_table[xy][0] = mx<<shift;
1426 s->p_mv_table[xy][1] = my<<shift;
1431 static int ff_estimate_motion_b(MpegEncContext * s,
1432 int mb_x, int mb_y, int16_t (*mv_table)[2], int ref_index, int f_code)
1434 MotionEstContext * const c= &s->me;
1437 const int shift= 1+s->quarter_sample;
1438 const int mot_stride = s->mb_stride;
1439 const int mot_xy = mb_y*mot_stride + mb_x;
1440 uint8_t * const mv_penalty= c->mv_penalty[f_code] + MAX_MV;
1443 c->penalty_factor = get_penalty_factor(s, c->avctx->me_cmp);
1444 c->sub_penalty_factor= get_penalty_factor(s, c->avctx->me_sub_cmp);
1445 c->mb_penalty_factor = get_penalty_factor(s, c->avctx->mb_cmp);
1446 c->current_mv_penalty= mv_penalty;
1448 get_limits(s, 16*mb_x, 16*mb_y);
1450 switch(s->me_method) {
1453 no_motion_search(s, &mx, &my);
1460 dmin = full_motion_search(s, &mx, &my, range, ref_picture);
1465 dmin = log_motion_search(s, &mx, &my, range / 2, ref_picture);
1470 dmin = phods_motion_search(s, &mx, &my, range / 2, ref_picture);
1478 P_LEFT[0] = mv_table[mot_xy - 1][0];
1479 P_LEFT[1] = mv_table[mot_xy - 1][1];
1481 if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift);
1483 /* special case for first line */
1484 if (!s->first_slice_line) {
1485 P_TOP[0] = mv_table[mot_xy - mot_stride ][0];
1486 P_TOP[1] = mv_table[mot_xy - mot_stride ][1];
1487 P_TOPRIGHT[0] = mv_table[mot_xy - mot_stride + 1 ][0];
1488 P_TOPRIGHT[1] = mv_table[mot_xy - mot_stride + 1 ][1];
1489 if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1]= (c->ymax<<shift);
1490 if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
1491 if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
1493 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1494 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1496 c->pred_x= P_LEFT[0];
1497 c->pred_y= P_LEFT[1];
1500 if(mv_table == s->b_forw_mv_table){
1501 mv_scale= (s->pb_time<<16) / (s->pp_time<<shift);
1503 mv_scale= ((s->pb_time - s->pp_time)<<16) / (s->pp_time<<shift);
1506 dmin = epzs_motion_search(s, &mx, &my, P, 0, ref_index, s->p_mv_table, mv_scale);
1511 dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, ref_index, 0, 16);
1513 if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
1514 dmin= get_mb_score(s, mx, my, 0, ref_index);
1516 //printf("%d %d %d %d//", s->mb_x, s->mb_y, mx, my);
1517 // s->mb_type[mb_y*s->mb_width + mb_x]= mb_type;
1518 mv_table[mot_xy][0]= mx;
1519 mv_table[mot_xy][1]= my;
1524 static inline int check_bidir_mv(MpegEncContext * s,
1525 int motion_fx, int motion_fy,
1526 int motion_bx, int motion_by,
1527 int pred_fx, int pred_fy,
1528 int pred_bx, int pred_by,
1532 //FIXME better f_code prediction (max mv & distance)
1534 MotionEstContext * const c= &s->me;
1535 uint8_t * const mv_penalty= c->mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame
1536 int stride= c->stride;
1537 int uvstride= c->uvstride;
1538 uint8_t *dest_y = c->scratchpad;
1543 uint8_t **src_data= c->src[0];
1544 uint8_t **ref_data= c->ref[0];
1545 uint8_t **ref2_data= c->ref[2];
1547 if(s->quarter_sample){
1548 dxy = ((motion_fy & 3) << 2) | (motion_fx & 3);
1549 src_x = motion_fx >> 2;
1550 src_y = motion_fy >> 2;
1552 ptr = ref_data[0] + (src_y * stride) + src_x;
1553 s->dsp.put_qpel_pixels_tab[0][dxy](dest_y , ptr , stride);
1555 dxy = ((motion_by & 3) << 2) | (motion_bx & 3);
1556 src_x = motion_bx >> 2;
1557 src_y = motion_by >> 2;
1559 ptr = ref2_data[0] + (src_y * stride) + src_x;
1560 s->dsp.avg_qpel_pixels_tab[size][dxy](dest_y , ptr , stride);
1562 dxy = ((motion_fy & 1) << 1) | (motion_fx & 1);
1563 src_x = motion_fx >> 1;
1564 src_y = motion_fy >> 1;
1566 ptr = ref_data[0] + (src_y * stride) + src_x;
1567 s->dsp.put_pixels_tab[size][dxy](dest_y , ptr , stride, h);
1569 dxy = ((motion_by & 1) << 1) | (motion_bx & 1);
1570 src_x = motion_bx >> 1;
1571 src_y = motion_by >> 1;
1573 ptr = ref2_data[0] + (src_y * stride) + src_x;
1574 s->dsp.avg_pixels_tab[size][dxy](dest_y , ptr , stride, h);
1577 fbmin = (mv_penalty[motion_fx-pred_fx] + mv_penalty[motion_fy-pred_fy])*c->mb_penalty_factor
1578 +(mv_penalty[motion_bx-pred_bx] + mv_penalty[motion_by-pred_by])*c->mb_penalty_factor
1579 + s->dsp.mb_cmp[size](s, src_data[0], dest_y, stride, h); //FIXME new_pic
1581 if(c->avctx->mb_cmp&FF_CMP_CHROMA){
1588 /* refine the bidir vectors in hq mode and return the score in both lq & hq mode*/
1589 static inline int bidir_refine(MpegEncContext * s, int mb_x, int mb_y)
1591 const int mot_stride = s->mb_stride;
1592 const int xy = mb_y *mot_stride + mb_x;
1594 int pred_fx= s->b_bidir_forw_mv_table[xy-1][0];
1595 int pred_fy= s->b_bidir_forw_mv_table[xy-1][1];
1596 int pred_bx= s->b_bidir_back_mv_table[xy-1][0];
1597 int pred_by= s->b_bidir_back_mv_table[xy-1][1];
1598 int motion_fx= s->b_bidir_forw_mv_table[xy][0]= s->b_forw_mv_table[xy][0];
1599 int motion_fy= s->b_bidir_forw_mv_table[xy][1]= s->b_forw_mv_table[xy][1];
1600 int motion_bx= s->b_bidir_back_mv_table[xy][0]= s->b_back_mv_table[xy][0];
1601 int motion_by= s->b_bidir_back_mv_table[xy][1]= s->b_back_mv_table[xy][1];
1603 //FIXME do refinement and add flag
1605 fbmin= check_bidir_mv(s, motion_fx, motion_fy,
1606 motion_bx, motion_by,
1614 static inline int direct_search(MpegEncContext * s, int mb_x, int mb_y)
1616 MotionEstContext * const c= &s->me;
1618 const int mot_stride = s->mb_stride;
1619 const int mot_xy = mb_y*mot_stride + mb_x;
1620 const int shift= 1+s->quarter_sample;
1622 const int time_pp= s->pp_time;
1623 const int time_pb= s->pb_time;
1624 int mx, my, xmin, xmax, ymin, ymax;
1625 int16_t (*mv_table)[2]= s->b_direct_mv_table;
1627 c->current_mv_penalty= c->mv_penalty[1] + MAX_MV;
1628 ymin= xmin=(-32)>>shift;
1629 ymax= xmax= 31>>shift;
1631 if(IS_8X8(s->next_picture.mb_type[mot_xy])){
1632 s->mv_type= MV_TYPE_8X8;
1634 s->mv_type= MV_TYPE_16X16;
1638 int index= s->block_index[i];
1641 c->co_located_mv[i][0]= s->next_picture.motion_val[0][index][0];
1642 c->co_located_mv[i][1]= s->next_picture.motion_val[0][index][1];
1643 c->direct_basis_mv[i][0]= c->co_located_mv[i][0]*time_pb/time_pp + ((i& 1)<<(shift+3));
1644 c->direct_basis_mv[i][1]= c->co_located_mv[i][1]*time_pb/time_pp + ((i>>1)<<(shift+3));
1645 // c->direct_basis_mv[1][i][0]= c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(shift+3);
1646 // c->direct_basis_mv[1][i][1]= c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(shift+3);
1648 max= FFMAX(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->co_located_mv[i][0])>>shift;
1649 min= FFMIN(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->co_located_mv[i][0])>>shift;
1650 max+= 16*mb_x + 1; // +-1 is for the simpler rounding
1652 xmax= FFMIN(xmax, s->width - max);
1653 xmin= FFMAX(xmin, - 16 - min);
1655 max= FFMAX(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->co_located_mv[i][1])>>shift;
1656 min= FFMIN(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->co_located_mv[i][1])>>shift;
1657 max+= 16*mb_y + 1; // +-1 is for the simpler rounding
1659 ymax= FFMIN(ymax, s->height - max);
1660 ymin= FFMAX(ymin, - 16 - min);
1662 if(s->mv_type == MV_TYPE_16X16) break;
1665 assert(xmax <= 15 && ymax <= 15 && xmin >= -16 && ymin >= -16);
1667 if(xmax < 0 || xmin >0 || ymax < 0 || ymin > 0){
1668 s->b_direct_mv_table[mot_xy][0]= 0;
1669 s->b_direct_mv_table[mot_xy][1]= 0;
1671 return 256*256*256*64;
1678 c->flags |= FLAG_DIRECT;
1679 c->sub_flags |= FLAG_DIRECT;
1683 P_LEFT[0] = clip(mv_table[mot_xy - 1][0], xmin<<shift, xmax<<shift);
1684 P_LEFT[1] = clip(mv_table[mot_xy - 1][1], ymin<<shift, ymax<<shift);
1686 /* special case for first line */
1687 if (!s->first_slice_line) { //FIXME maybe allow this over thread boundary as its cliped
1688 P_TOP[0] = clip(mv_table[mot_xy - mot_stride ][0], xmin<<shift, xmax<<shift);
1689 P_TOP[1] = clip(mv_table[mot_xy - mot_stride ][1], ymin<<shift, ymax<<shift);
1690 P_TOPRIGHT[0] = clip(mv_table[mot_xy - mot_stride + 1 ][0], xmin<<shift, xmax<<shift);
1691 P_TOPRIGHT[1] = clip(mv_table[mot_xy - mot_stride + 1 ][1], ymin<<shift, ymax<<shift);
1693 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1694 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1697 dmin = epzs_motion_search(s, &mx, &my, P, 0, 0, mv_table, 1<<(16-shift));
1698 if(c->sub_flags&FLAG_QPEL)
1699 dmin = qpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1701 dmin = hpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1703 if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
1704 dmin= get_mb_score(s, mx, my, 0, 0);
1706 get_limits(s, 16*mb_x, 16*mb_y); //restore c->?min/max, maybe not needed
1708 s->b_direct_mv_table[mot_xy][0]= mx;
1709 s->b_direct_mv_table[mot_xy][1]= my;
1710 c->flags &= ~FLAG_DIRECT;
1711 c->sub_flags &= ~FLAG_DIRECT;
1716 void ff_estimate_b_frame_motion(MpegEncContext * s,
1719 MotionEstContext * const c= &s->me;
1720 const int penalty_factor= c->mb_penalty_factor;
1721 int fmin, bmin, dmin, fbmin, bimin, fimin;
1723 const int xy = mb_y*s->mb_stride + mb_x;
1724 init_ref(c, s->new_picture.data, s->last_picture.data, s->next_picture.data, 16*mb_x, 16*mb_y, 2);
1728 if(c->avctx->me_threshold){
1729 int vard= (check_input_motion(s, mb_x, mb_y, 0)+128)>>8;
1731 if(vard<c->avctx->me_threshold){
1732 // pix = c->src[0][0];
1733 // sum = s->dsp.pix_sum(pix, s->linesize);
1734 // varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
1736 // pic->mb_var [s->mb_stride * mb_y + mb_x] = varc;
1737 s->current_picture.mc_mb_var[s->mb_stride * mb_y + mb_x] = vard;
1738 /* pic->mb_mean [s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
1739 c->mb_var_sum_temp += varc;*/
1740 c->mc_mb_var_sum_temp += vard;
1741 /* if (vard <= 64 || vard < varc) {
1742 c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
1744 c->scene_change_score+= s->qscale;
1748 if(vard<c->avctx->mb_threshold){
1749 type= s->mb_type[mb_y*s->mb_stride + mb_x];
1750 if(type == CANDIDATE_MB_TYPE_DIRECT){
1751 direct_search(s, mb_x, mb_y);
1753 if(type == CANDIDATE_MB_TYPE_FORWARD || type == CANDIDATE_MB_TYPE_BIDIR){
1755 ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code);
1757 if(type == CANDIDATE_MB_TYPE_BACKWARD || type == CANDIDATE_MB_TYPE_BIDIR){
1759 ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code);
1761 if(type == CANDIDATE_MB_TYPE_FORWARD_I || type == CANDIDATE_MB_TYPE_BIDIR_I){
1763 c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
1764 interlaced_search(s, 0,
1765 s->b_field_mv_table[0], s->b_field_select_table[0],
1766 s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 1);
1768 if(type == CANDIDATE_MB_TYPE_BACKWARD_I || type == CANDIDATE_MB_TYPE_BIDIR_I){
1770 c->current_mv_penalty= c->mv_penalty[s->b_code] + MAX_MV;
1771 interlaced_search(s, 2,
1772 s->b_field_mv_table[1], s->b_field_select_table[1],
1773 s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 1);
1779 if (s->codec_id == CODEC_ID_MPEG4)
1780 dmin= direct_search(s, mb_x, mb_y);
1783 //FIXME penalty stuff for non mpeg4
1785 fmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code) + 3*penalty_factor;
1788 bmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code) + 2*penalty_factor;
1789 //printf(" %d %d ", s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1]);
1792 fbmin= bidir_refine(s, mb_x, mb_y) + penalty_factor;
1793 //printf("%d %d %d %d\n", dmin, fmin, bmin, fbmin);
1795 if(s->flags & CODEC_FLAG_INTERLACED_ME){
1796 //FIXME mb type penalty
1798 c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
1799 fimin= interlaced_search(s, 0,
1800 s->b_field_mv_table[0], s->b_field_select_table[0],
1801 s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 0);
1802 c->current_mv_penalty= c->mv_penalty[s->b_code] + MAX_MV;
1803 bimin= interlaced_search(s, 2,
1804 s->b_field_mv_table[1], s->b_field_select_table[1],
1805 s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 0);
1807 fimin= bimin= INT_MAX;
1811 type = CANDIDATE_MB_TYPE_FORWARD;
1815 type = CANDIDATE_MB_TYPE_DIRECT;
1819 type= CANDIDATE_MB_TYPE_BACKWARD;
1823 type= CANDIDATE_MB_TYPE_BIDIR;
1827 type= CANDIDATE_MB_TYPE_FORWARD_I;
1831 type= CANDIDATE_MB_TYPE_BACKWARD_I;
1834 score= ((unsigned)(score*score + 128*256))>>16;
1835 c->mc_mb_var_sum_temp += score;
1836 s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE
1839 if(c->avctx->mb_decision > FF_MB_DECISION_SIMPLE){
1840 type= CANDIDATE_MB_TYPE_FORWARD | CANDIDATE_MB_TYPE_BACKWARD | CANDIDATE_MB_TYPE_BIDIR | CANDIDATE_MB_TYPE_DIRECT;
1842 type |= CANDIDATE_MB_TYPE_FORWARD_I;
1844 type |= CANDIDATE_MB_TYPE_BACKWARD_I;
1845 if(fimin < INT_MAX && bimin < INT_MAX){
1846 type |= CANDIDATE_MB_TYPE_BIDIR_I;
1848 //FIXME something smarter
1849 if(dmin>256*256*16) type&= ~CANDIDATE_MB_TYPE_DIRECT; //dont try direct mode if its invalid for this MB
1851 if(s->out_format == FMT_MPEG1)
1852 type |= CANDIDATE_MB_TYPE_INTRA;
1856 s->mb_type[mb_y*s->mb_stride + mb_x]= type;
1859 /* find best f_code for ME which do unlimited searches */
1860 int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type)
1862 if(s->me_method>=ME_EPZS){
1865 uint8_t * fcode_tab= s->fcode_tab;
1867 int best_score=-10000000;
1869 for(i=0; i<8; i++) score[i]= s->mb_num*(8-i);
1871 for(y=0; y<s->mb_height; y++){
1873 int xy= y*s->mb_stride;
1874 for(x=0; x<s->mb_width; x++){
1875 if(s->mb_type[xy] & type){
1876 int fcode= FFMAX(fcode_tab[mv_table[xy][0] + MAX_MV],
1877 fcode_tab[mv_table[xy][1] + MAX_MV]);
1880 for(j=0; j<fcode && j<8; j++){
1881 if(s->pict_type==B_TYPE || s->current_picture.mc_mb_var[xy] < s->current_picture.mb_var[xy])
1890 if(score[i] > best_score){
1891 best_score= score[i];
1894 // printf("%d %d\n", i, score[i]);
1897 // printf("fcode: %d type: %d\n", i, s->pict_type);
1899 /* for(i=0; i<=MAX_FCODE; i++){
1900 printf("%d ", mv_num[i]);
1908 void ff_fix_long_p_mvs(MpegEncContext * s)
1910 MotionEstContext * const c= &s->me;
1911 const int f_code= s->f_code;
1913 assert(s->pict_type==P_TYPE);
1915 range = (((s->out_format == FMT_MPEG1) ? 8 : 16) << f_code);
1917 if(s->msmpeg4_version) range= 16;
1919 if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range;
1921 //printf("%d no:%d %d//\n", clip, noclip, f_code);
1922 if(s->flags&CODEC_FLAG_4MV){
1923 const int wrap= s->b8_stride;
1925 /* clip / convert to intra 8x8 type MVs */
1926 for(y=0; y<s->mb_height; y++){
1928 int i= y*s->mb_stride;
1931 for(x=0; x<s->mb_width; x++){
1932 if(s->mb_type[i]&CANDIDATE_MB_TYPE_INTER4V){
1934 for(block=0; block<4; block++){
1935 int off= (block& 1) + (block>>1)*wrap;
1936 int mx= s->current_picture.motion_val[0][ xy + off ][0];
1937 int my= s->current_picture.motion_val[0][ xy + off ][1];
1939 if( mx >=range || mx <-range
1940 || my >=range || my <-range){
1941 s->mb_type[i] &= ~CANDIDATE_MB_TYPE_INTER4V;
1942 s->mb_type[i] |= CANDIDATE_MB_TYPE_INTRA;
1943 s->current_picture.mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
1956 * @param truncate 1 for truncation, 0 for using intra
1958 void ff_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_select,
1959 int16_t (*mv_table)[2], int f_code, int type, int truncate)
1961 MotionEstContext * const c= &s->me;
1962 int y, h_range, v_range;
1964 // RAL: 8 in MPEG-1, 16 in MPEG-4
1965 int range = (((s->out_format == FMT_MPEG1) ? 8 : 16) << f_code);
1967 if(s->msmpeg4_version) range= 16;
1968 if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range;
1971 v_range= field_select_table ? range>>1 : range;
1973 /* clip / convert to intra 16x16 type MVs */
1974 for(y=0; y<s->mb_height; y++){
1976 int xy= y*s->mb_stride;
1977 for(x=0; x<s->mb_width; x++){
1978 if (s->mb_type[xy] & type){ // RAL: "type" test added...
1979 if(field_select_table==NULL || field_select_table[xy] == field_select){
1980 if( mv_table[xy][0] >=h_range || mv_table[xy][0] <-h_range
1981 || mv_table[xy][1] >=v_range || mv_table[xy][1] <-v_range){
1984 if (mv_table[xy][0] > h_range-1) mv_table[xy][0]= h_range-1;
1985 else if(mv_table[xy][0] < -h_range ) mv_table[xy][0]= -h_range;
1986 if (mv_table[xy][1] > v_range-1) mv_table[xy][1]= v_range-1;
1987 else if(mv_table[xy][1] < -v_range ) mv_table[xy][1]= -v_range;
1989 s->mb_type[xy] &= ~type;
1990 s->mb_type[xy] |= CANDIDATE_MB_TYPE_INTRA;