3 * Copyright (c) 2000,2001 Fabrice Bellard.
4 * Copyright (c) 2002-2003 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>
33 #include "mpegvideo.h"
38 #define SQ(a) ((a)*(a))
42 #define P_TOPRIGHT P[3]
46 static inline int sad_hpel_motion_search(MpegEncContext * s,
47 int *mx_ptr, int *my_ptr, int dmin,
48 int xmin, int ymin, int xmax, int ymax,
49 int pred_x, int pred_y, Picture *picture,
50 int n, int size, uint8_t * const mv_penalty);
52 static inline int update_map_generation(MpegEncContext * s)
54 s->me.map_generation+= 1<<(ME_MAP_MV_BITS*2);
55 if(s->me.map_generation==0){
56 s->me.map_generation= 1<<(ME_MAP_MV_BITS*2);
57 memset(s->me.map, 0, sizeof(uint32_t)*ME_MAP_SIZE);
59 return s->me.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;
77 #define RENAME(a) simple_ ## a
79 #define CMP(d, x, y, size)\
80 d = cmp(s, src_y, (ref_y) + (x) + (y)*(stride), stride);
82 #define CMP_HPEL(d, dx, dy, x, y, size)\
84 const int dxy= (dx) + 2*(dy);\
85 hpel_put[0][dxy](s->me.scratchpad, (ref_y) + (x) + (y)*(stride), stride, (16>>size));\
86 d = cmp_sub(s, s->me.scratchpad, src_y, stride);\
89 #define CMP_QPEL(d, dx, dy, x, y, size)\
91 const int dxy= (dx) + 4*(dy);\
92 qpel_put[0][dxy](s->me.scratchpad, (ref_y) + (x) + (y)*(stride), stride);\
93 d = cmp_sub(s, s->me.scratchpad, src_y, stride);\
96 #include "motion_est_template.c"
104 #define RENAME(a) simple_chroma_ ## a
106 #define CMP(d, x, y, size)\
107 d = cmp(s, src_y, (ref_y) + (x) + (y)*(stride), stride);\
109 int dxy= ((x)&1) + 2*((y)&1);\
110 int c= ((x)>>1) + ((y)>>1)*uvstride;\
112 chroma_hpel_put[0][dxy](s->me.scratchpad, ref_u + c, uvstride, 8);\
113 d += chroma_cmp(s, s->me.scratchpad, src_u, uvstride);\
114 chroma_hpel_put[0][dxy](s->me.scratchpad, ref_v + c, uvstride, 8);\
115 d += chroma_cmp(s, s->me.scratchpad, src_v, uvstride);\
118 #define CMP_HPEL(d, dx, dy, x, y, size)\
120 const int dxy= (dx) + 2*(dy);\
121 hpel_put[0][dxy](s->me.scratchpad, (ref_y) + (x) + (y)*(stride), stride, (16>>size));\
122 d = cmp_sub(s, s->me.scratchpad, src_y, stride);\
124 int cxy= (dxy) | ((x)&1) | (2*((y)&1));\
125 int c= ((x)>>1) + ((y)>>1)*uvstride;\
126 chroma_hpel_put[0][cxy](s->me.scratchpad, ref_u + c, uvstride, 8);\
127 d += chroma_cmp_sub(s, s->me.scratchpad, src_u, uvstride);\
128 chroma_hpel_put[0][cxy](s->me.scratchpad, ref_v + c, uvstride, 8);\
129 d += chroma_cmp_sub(s, s->me.scratchpad, src_v, uvstride);\
133 #define CMP_QPEL(d, dx, dy, x, y, size)\
135 const int dxy= (dx) + 4*(dy);\
136 qpel_put[0][dxy](s->me.scratchpad, (ref_y) + (x) + (y)*(stride), stride);\
137 d = cmp_sub(s, s->me.scratchpad, src_y, stride);\
140 int cx= (4*(x) + (dx))/2;\
141 int cy= (4*(y) + (dy))/2;\
144 cxy= (cx&1) + 2*(cy&1);\
145 c= ((cx)>>1) + ((cy)>>1)*uvstride;\
146 chroma_hpel_put[0][cxy](s->me.scratchpad, ref_u + c, uvstride, 8);\
147 d += chroma_cmp_sub(s, s->me.scratchpad, src_u, uvstride);\
148 chroma_hpel_put[0][cxy](s->me.scratchpad, ref_v + c, uvstride, 8);\
149 d += chroma_cmp_sub(s, s->me.scratchpad, src_v, uvstride);\
153 #include "motion_est_template.c"
160 /* SIMPLE DIRECT HPEL */
161 #define RENAME(a) simple_direct_hpel_ ## a
162 //FIXME precalc divisions stuff
164 #define CMP_DIRECT(d, dx, dy, x, y, size, cmp_func)\
165 if((x) >= xmin && 2*(x) + (dx) <= 2*xmax && (y) >= ymin && 2*(y) + (dy) <= 2*ymax){\
166 const int hx= 2*(x) + (dx);\
167 const int hy= 2*(y) + (dy);\
168 if(s->mv_type==MV_TYPE_8X8){\
171 int fx = s->me.direct_basis_mv[i][0] + hx;\
172 int fy = s->me.direct_basis_mv[i][1] + hy;\
173 int bx = hx ? fx - s->me.co_located_mv[i][0] : s->me.co_located_mv[i][0]*(time_pb - time_pp)/time_pp + (i &1)*16;\
174 int by = hy ? fy - s->me.co_located_mv[i][1] : s->me.co_located_mv[i][1]*(time_pb - time_pp)/time_pp + (i>>1)*16;\
175 int fxy= (fx&1) + 2*(fy&1);\
176 int bxy= (bx&1) + 2*(by&1);\
178 uint8_t *dst= s->me.scratchpad + 8*(i&1) + 8*stride*(i>>1);\
179 hpel_put[1][fxy](dst, (ref_y ) + (fx>>1) + (fy>>1)*(stride), stride, 8);\
180 hpel_avg[1][bxy](dst, (ref2_y) + (bx>>1) + (by>>1)*(stride), stride, 8);\
183 int fx = s->me.direct_basis_mv[0][0] + hx;\
184 int fy = s->me.direct_basis_mv[0][1] + hy;\
185 int bx = hx ? fx - s->me.co_located_mv[0][0] : (s->me.co_located_mv[0][0]*(time_pb - time_pp)/time_pp);\
186 int by = hy ? fy - s->me.co_located_mv[0][1] : (s->me.co_located_mv[0][1]*(time_pb - time_pp)/time_pp);\
187 int fxy= (fx&1) + 2*(fy&1);\
188 int bxy= (bx&1) + 2*(by&1);\
190 assert((fx>>1) + 16*s->mb_x >= -16);\
191 assert((fy>>1) + 16*s->mb_y >= -16);\
192 assert((fx>>1) + 16*s->mb_x <= s->width);\
193 assert((fy>>1) + 16*s->mb_y <= s->height);\
194 assert((bx>>1) + 16*s->mb_x >= -16);\
195 assert((by>>1) + 16*s->mb_y >= -16);\
196 assert((bx>>1) + 16*s->mb_x <= s->width);\
197 assert((by>>1) + 16*s->mb_y <= s->height);\
199 hpel_put[0][fxy](s->me.scratchpad, (ref_y ) + (fx>>1) + (fy>>1)*(stride), stride, 16);\
200 hpel_avg[0][bxy](s->me.scratchpad, (ref2_y) + (bx>>1) + (by>>1)*(stride), stride, 16);\
202 d = cmp_func(s, s->me.scratchpad, src_y, stride);\
207 #define CMP_HPEL(d, dx, dy, x, y, size)\
208 CMP_DIRECT(d, dx, dy, x, y, size, cmp_sub)
210 #define CMP(d, x, y, size)\
211 CMP_DIRECT(d, 0, 0, x, y, size, cmp)
213 #include "motion_est_template.c"
221 /* SIMPLE DIRECT QPEL */
222 #define RENAME(a) simple_direct_qpel_ ## a
224 #define CMP_DIRECT(d, dx, dy, x, y, size, cmp_func)\
225 if((x) >= xmin && 4*(x) + (dx) <= 4*xmax && (y) >= ymin && 4*(y) + (dy) <= 4*ymax){\
226 const int qx= 4*(x) + (dx);\
227 const int qy= 4*(y) + (dy);\
228 if(s->mv_type==MV_TYPE_8X8){\
231 int fx = s->me.direct_basis_mv[i][0] + qx;\
232 int fy = s->me.direct_basis_mv[i][1] + qy;\
233 int bx = qx ? fx - s->me.co_located_mv[i][0] : s->me.co_located_mv[i][0]*(time_pb - time_pp)/time_pp + (i &1)*16;\
234 int by = qy ? fy - s->me.co_located_mv[i][1] : s->me.co_located_mv[i][1]*(time_pb - time_pp)/time_pp + (i>>1)*16;\
235 int fxy= (fx&3) + 4*(fy&3);\
236 int bxy= (bx&3) + 4*(by&3);\
238 uint8_t *dst= s->me.scratchpad + 8*(i&1) + 8*stride*(i>>1);\
239 qpel_put[1][fxy](dst, (ref_y ) + (fx>>2) + (fy>>2)*(stride), stride);\
240 qpel_avg[1][bxy](dst, (ref2_y) + (bx>>2) + (by>>2)*(stride), stride);\
243 int fx = s->me.direct_basis_mv[0][0] + qx;\
244 int fy = s->me.direct_basis_mv[0][1] + qy;\
245 int bx = qx ? fx - s->me.co_located_mv[0][0] : s->me.co_located_mv[0][0]*(time_pb - time_pp)/time_pp;\
246 int by = qy ? fy - s->me.co_located_mv[0][1] : s->me.co_located_mv[0][1]*(time_pb - time_pp)/time_pp;\
247 int fxy= (fx&3) + 4*(fy&3);\
248 int bxy= (bx&3) + 4*(by&3);\
250 qpel_put[1][fxy](s->me.scratchpad , (ref_y ) + (fx>>2) + (fy>>2)*(stride) , stride);\
251 qpel_put[1][fxy](s->me.scratchpad + 8 , (ref_y ) + (fx>>2) + (fy>>2)*(stride) + 8 , stride);\
252 qpel_put[1][fxy](s->me.scratchpad + 8*stride, (ref_y ) + (fx>>2) + (fy>>2)*(stride) + 8*stride, stride);\
253 qpel_put[1][fxy](s->me.scratchpad + 8 + 8*stride, (ref_y ) + (fx>>2) + (fy>>2)*(stride) + 8 + 8*stride, stride);\
254 qpel_avg[1][bxy](s->me.scratchpad , (ref2_y) + (bx>>2) + (by>>2)*(stride) , stride);\
255 qpel_avg[1][bxy](s->me.scratchpad + 8 , (ref2_y) + (bx>>2) + (by>>2)*(stride) + 8 , stride);\
256 qpel_avg[1][bxy](s->me.scratchpad + 8*stride, (ref2_y) + (bx>>2) + (by>>2)*(stride) + 8*stride, stride);\
257 qpel_avg[1][bxy](s->me.scratchpad + 8 + 8*stride, (ref2_y) + (bx>>2) + (by>>2)*(stride) + 8 + 8*stride, stride);\
259 d = cmp_func(s, s->me.scratchpad, src_y, stride);\
264 #define CMP_QPEL(d, dx, dy, x, y, size)\
265 CMP_DIRECT(d, dx, dy, x, y, size, cmp_sub)
267 #define CMP(d, x, y, size)\
268 CMP_DIRECT(d, 0, 0, x, y, size, cmp)
270 #include "motion_est_template.c"
279 static int zero_cmp(void *s, uint8_t *a, uint8_t *b, int stride){
283 static void set_cmp(MpegEncContext *s, me_cmp_func *cmp, int type){
284 DSPContext* c= &s->dsp;
287 memset(cmp, 0, sizeof(void*)*11);
295 cmp[0]= c->hadamard8_diff[0];
296 cmp[1]= c->hadamard8_diff[1];
303 cmp[0]= c->dct_sad[0];
304 cmp[1]= c->dct_sad[1];
307 cmp[0]= c->quant_psnr[0];
308 cmp[1]= c->quant_psnr[1];
324 fprintf(stderr,"internal error in cmp function selection\n");
328 static inline int get_penalty_factor(MpegEncContext *s, int type){
338 return s->qscale*s->qscale*2;
343 return (s->qscale*s->qscale*185 + 64)>>7;
347 void ff_init_me(MpegEncContext *s){
348 set_cmp(s, s->dsp.me_pre_cmp, s->avctx->me_pre_cmp);
349 set_cmp(s, s->dsp.me_cmp, s->avctx->me_cmp);
350 set_cmp(s, s->dsp.me_sub_cmp, s->avctx->me_sub_cmp);
351 set_cmp(s, s->dsp.mb_cmp, s->avctx->mb_cmp);
353 if(s->flags&CODEC_FLAG_QPEL){
354 if(s->avctx->me_sub_cmp&FF_CMP_CHROMA)
355 s->me.sub_motion_search= simple_chroma_qpel_motion_search;
357 s->me.sub_motion_search= simple_qpel_motion_search;
359 if(s->avctx->me_sub_cmp&FF_CMP_CHROMA)
360 s->me.sub_motion_search= simple_chroma_hpel_motion_search;
361 else if( s->avctx->me_sub_cmp == FF_CMP_SAD
362 && s->avctx-> me_cmp == FF_CMP_SAD
363 && s->avctx-> mb_cmp == FF_CMP_SAD)
364 s->me.sub_motion_search= sad_hpel_motion_search;
366 s->me.sub_motion_search= simple_hpel_motion_search;
369 if(s->avctx->me_cmp&FF_CMP_CHROMA){
370 s->me.motion_search[0]= simple_chroma_epzs_motion_search;
371 s->me.motion_search[1]= simple_chroma_epzs_motion_search4;
373 s->me.motion_search[0]= simple_epzs_motion_search;
374 s->me.motion_search[1]= simple_epzs_motion_search4;
377 if(s->avctx->me_pre_cmp&FF_CMP_CHROMA){
378 s->me.pre_motion_search= simple_chroma_epzs_motion_search;
380 s->me.pre_motion_search= simple_epzs_motion_search;
383 if(s->flags&CODEC_FLAG_QPEL){
384 if(s->avctx->mb_cmp&FF_CMP_CHROMA)
385 s->me.get_mb_score= simple_chroma_qpel_get_mb_score;
387 s->me.get_mb_score= simple_qpel_get_mb_score;
389 if(s->avctx->mb_cmp&FF_CMP_CHROMA)
390 s->me.get_mb_score= simple_chroma_hpel_get_mb_score;
392 s->me.get_mb_score= simple_hpel_get_mb_score;
396 static int pix_dev(uint8_t * pix, int line_size, int mean)
401 for (i = 0; i < 16; i++) {
402 for (j = 0; j < 16; j += 8) {
403 s += ABS(pix[0]-mean);
404 s += ABS(pix[1]-mean);
405 s += ABS(pix[2]-mean);
406 s += ABS(pix[3]-mean);
407 s += ABS(pix[4]-mean);
408 s += ABS(pix[5]-mean);
409 s += ABS(pix[6]-mean);
410 s += ABS(pix[7]-mean);
413 pix += line_size - 16;
418 static inline void no_motion_search(MpegEncContext * s,
419 int *mx_ptr, int *my_ptr)
421 *mx_ptr = 16 * s->mb_x;
422 *my_ptr = 16 * s->mb_y;
425 static int full_motion_search(MpegEncContext * s,
426 int *mx_ptr, int *my_ptr, int range,
427 int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
429 int x1, y1, x2, y2, xx, yy, x, y;
435 x1 = xx - range + 1; /* we loose one pixel to avoid boundary pb with half pixel pred */
447 pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
451 for (y = y1; y <= y2; y++) {
452 for (x = x1; x <= x2; x++) {
453 d = s->dsp.pix_abs16x16(pix, ref_picture + (y * s->linesize) + x,
457 (abs(x - xx) + abs(y - yy)) <
458 (abs(mx - xx) + abs(my - yy)))) {
470 if (*mx_ptr < -(2 * range) || *mx_ptr >= (2 * range) ||
471 *my_ptr < -(2 * range) || *my_ptr >= (2 * range)) {
472 fprintf(stderr, "error %d %d\n", *mx_ptr, *my_ptr);
479 static int log_motion_search(MpegEncContext * s,
480 int *mx_ptr, int *my_ptr, int range,
481 int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
483 int x1, y1, x2, y2, xx, yy, x, y;
510 pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
516 for (y = y1; y <= y2; y += range) {
517 for (x = x1; x <= x2; x += range) {
518 d = s->dsp.pix_abs16x16(pix, ref_picture + (y * s->linesize) + x, s->linesize);
519 if (d < dmin || (d == dmin && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
545 } while (range >= 1);
548 fprintf(stderr, "log - MX: %d\tMY: %d\n", mx, my);
555 static int phods_motion_search(MpegEncContext * s,
556 int *mx_ptr, int *my_ptr, int range,
557 int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
559 int x1, y1, x2, y2, xx, yy, x, y, lastx, d;
560 int mx, my, dminx, dminy;
586 pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
597 for (x = x1; x <= x2; x += range) {
598 d = s->dsp.pix_abs16x16(pix, ref_picture + (y * s->linesize) + x, s->linesize);
599 if (d < dminx || (d == dminx && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
606 for (y = y1; y <= y2; y += range) {
607 d = s->dsp.pix_abs16x16(pix, ref_picture + (y * s->linesize) + x, s->linesize);
608 if (d < dminy || (d == dminy && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
634 } while (range >= 1);
637 fprintf(stderr, "phods - MX: %d\tMY: %d\n", mx, my);
640 /* half pixel search */
647 #define Z_THRESHOLD 256
649 #define CHECK_SAD_HALF_MV(suffix, x, y) \
651 d= pix_abs_ ## suffix(pix, ptr+((x)>>1), s->linesize);\
652 d += (mv_penalty[pen_x + x] + mv_penalty[pen_y + y])*penalty_factor;\
653 COPY3_IF_LT(dminh, d, dx, x, dy, y)\
656 static inline int sad_hpel_motion_search(MpegEncContext * s,
657 int *mx_ptr, int *my_ptr, int dmin,
658 int xmin, int ymin, int xmax, int ymax,
659 int pred_x, int pred_y, Picture *picture,
660 int n, int size, uint8_t * const mv_penalty)
662 uint8_t *ref_picture= picture->data[0];
663 uint32_t *score_map= s->me.score_map;
664 const int penalty_factor= s->me.sub_penalty_factor;
665 int mx, my, xx, yy, dminh;
667 op_pixels_abs_func pix_abs_x2;
668 op_pixels_abs_func pix_abs_y2;
669 op_pixels_abs_func pix_abs_xy2;
672 pix_abs_x2 = s->dsp.pix_abs16x16_x2;
673 pix_abs_y2 = s->dsp.pix_abs16x16_y2;
674 pix_abs_xy2= s->dsp.pix_abs16x16_xy2;
676 pix_abs_x2 = s->dsp.pix_abs8x8_x2;
677 pix_abs_y2 = s->dsp.pix_abs8x8_y2;
678 pix_abs_xy2= s->dsp.pix_abs8x8_xy2;
689 xx = 16 * s->mb_x + 8*(n&1);
690 yy = 16 * s->mb_y + 8*(n>>1);
691 pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
695 ptr = ref_picture + ((yy + my) * s->linesize) + (xx + mx);
699 if (mx > xmin && mx < xmax &&
700 my > ymin && my < ymax) {
703 const int index= (my<<ME_MAP_SHIFT) + mx;
704 const int t= score_map[(index-(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
705 const int l= score_map[(index- 1 )&(ME_MAP_SIZE-1)];
706 const int r= score_map[(index+ 1 )&(ME_MAP_SIZE-1)];
707 const int b= score_map[(index+(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
717 CHECK_SAD_HALF_MV(y2 , 0, -1)
719 CHECK_SAD_HALF_MV(xy2, -1, -1)
721 CHECK_SAD_HALF_MV(xy2, +1, -1)
725 CHECK_SAD_HALF_MV(xy2, -1, +1)
727 CHECK_SAD_HALF_MV(x2 , -1, 0)
729 CHECK_SAD_HALF_MV(xy2, +1, -1)
731 CHECK_SAD_HALF_MV(xy2, -1, -1)
735 CHECK_SAD_HALF_MV(xy2, +1, +1)
737 CHECK_SAD_HALF_MV(x2 , +1, 0)
742 CHECK_SAD_HALF_MV(xy2, -1, -1)
746 CHECK_SAD_HALF_MV(xy2, +1, +1)
748 CHECK_SAD_HALF_MV(x2 , -1, 0)
749 CHECK_SAD_HALF_MV(xy2, -1, +1)
752 CHECK_SAD_HALF_MV(xy2, +1, -1)
756 CHECK_SAD_HALF_MV(xy2, -1, +1)
758 CHECK_SAD_HALF_MV(x2 , +1, 0)
759 CHECK_SAD_HALF_MV(xy2, +1, +1)
761 CHECK_SAD_HALF_MV(y2 , 0, +1)
776 static inline void set_p_mv_tables(MpegEncContext * s, int mx, int my, int mv4)
778 const int xy= s->mb_x + s->mb_y*s->mb_stride;
780 s->p_mv_table[xy][0] = mx;
781 s->p_mv_table[xy][1] = my;
783 /* has allready been set to the 4 MV if 4MV is done */
785 int mot_xy= s->block_index[0];
787 s->motion_val[mot_xy ][0]= mx;
788 s->motion_val[mot_xy ][1]= my;
789 s->motion_val[mot_xy+1][0]= mx;
790 s->motion_val[mot_xy+1][1]= my;
792 mot_xy += s->block_wrap[0];
793 s->motion_val[mot_xy ][0]= mx;
794 s->motion_val[mot_xy ][1]= my;
795 s->motion_val[mot_xy+1][0]= mx;
796 s->motion_val[mot_xy+1][1]= my;
801 * get fullpel ME search limits.
802 * @param range the approximate search range for the old ME code, unused for EPZS and newer
804 static inline void get_limits(MpegEncContext *s, int *range, int *xmin, int *ymin, int *xmax, int *ymax)
806 if(s->avctx->me_range) *range= s->avctx->me_range >> 1;
809 if (s->unrestricted_mv) {
812 *xmax = s->mb_width*16;
813 *ymax = s->mb_height*16;
817 *xmax = s->mb_width*16 - 16;
818 *ymax = s->mb_height*16 - 16;
821 //FIXME try to limit x/y min/max if me_range is set
824 static inline int h263_mv4_search(MpegEncContext *s, int xmin, int ymin, int xmax, int ymax, int mx, int my, int shift)
828 int dmin_sum=0, mx4_sum=0, my4_sum=0;
829 uint8_t * const mv_penalty= s->me.mv_penalty[s->f_code] + MAX_MV;
831 for(block=0; block<4; block++){
833 int pred_x4, pred_y4;
835 static const int off[4]= {2, 1, 1, -1};
836 const int mot_stride = s->block_wrap[0];
837 const int mot_xy = s->block_index[block];
838 // const int block_x= (block&1);
839 // const int block_y= (block>>1);
840 #if 1 // this saves us a bit of cliping work and shouldnt affect compression in a negative way
841 const int rel_xmin4= xmin;
842 const int rel_xmax4= xmax;
843 const int rel_ymin4= ymin;
844 const int rel_ymax4= ymax;
846 const int rel_xmin4= xmin - block_x*8;
847 const int rel_xmax4= xmax - block_x*8 + 8;
848 const int rel_ymin4= ymin - block_y*8;
849 const int rel_ymax4= ymax - block_y*8 + 8;
851 P_LEFT[0] = s->motion_val[mot_xy - 1][0];
852 P_LEFT[1] = s->motion_val[mot_xy - 1][1];
854 if(P_LEFT[0] > (rel_xmax4<<shift)) P_LEFT[0] = (rel_xmax4<<shift);
856 /* special case for first line */
857 if (s->mb_y == 0 && block<2) {
861 P_TOP[0] = s->motion_val[mot_xy - mot_stride ][0];
862 P_TOP[1] = s->motion_val[mot_xy - mot_stride ][1];
863 P_TOPRIGHT[0] = s->motion_val[mot_xy - mot_stride + off[block]][0];
864 P_TOPRIGHT[1] = s->motion_val[mot_xy - mot_stride + off[block]][1];
865 if(P_TOP[1] > (rel_ymax4<<shift)) P_TOP[1] = (rel_ymax4<<shift);
866 if(P_TOPRIGHT[0] < (rel_xmin4<<shift)) P_TOPRIGHT[0]= (rel_xmin4<<shift);
867 if(P_TOPRIGHT[0] > (rel_xmax4<<shift)) P_TOPRIGHT[0]= (rel_xmax4<<shift);
868 if(P_TOPRIGHT[1] > (rel_ymax4<<shift)) P_TOPRIGHT[1]= (rel_ymax4<<shift);
870 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
871 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
873 // if(s->out_format == FMT_H263){
874 pred_x4 = P_MEDIAN[0];
875 pred_y4 = P_MEDIAN[1];
877 }else { /* mpeg1 at least */
886 dmin4 = s->me.motion_search[1](s, block, &mx4, &my4, P, pred_x4, pred_y4, rel_xmin4, rel_ymin4, rel_xmax4, rel_ymax4,
887 &s->last_picture, s->p_mv_table, (1<<16)>>shift, mv_penalty);
889 dmin4= s->me.sub_motion_search(s, &mx4, &my4, dmin4, rel_xmin4, rel_ymin4, rel_xmax4, rel_ymax4,
890 pred_x4, pred_y4, &s->last_picture, block, 1, mv_penalty);
892 if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
894 const int offset= ((block&1) + (block>>1)*s->linesize)*8;
895 uint8_t *dest_y = s->me.scratchpad + offset;
897 if(s->quarter_sample){
898 uint8_t *ref= s->last_picture.data[0] + (s->mb_x*16 + (mx4>>2)) + (s->mb_y*16 + (my4>>2))*s->linesize + offset;
899 dxy = ((my4 & 3) << 2) | (mx4 & 3);
902 s->dsp.put_no_rnd_qpel_pixels_tab[1][dxy](dest_y , ref , s->linesize);
904 s->dsp.put_qpel_pixels_tab [1][dxy](dest_y , ref , s->linesize);
906 uint8_t *ref= s->last_picture.data[0] + (s->mb_x*16 + (mx4>>1)) + (s->mb_y*16 + (my4>>1))*s->linesize + offset;
907 dxy = ((my4 & 1) << 1) | (mx4 & 1);
910 s->dsp.put_no_rnd_pixels_tab[1][dxy](dest_y , ref , s->linesize, 8);
912 s->dsp.put_pixels_tab [1][dxy](dest_y , ref , s->linesize, 8);
914 dmin_sum+= (mv_penalty[mx4-pred_x4] + mv_penalty[my4-pred_y4])*s->me.mb_penalty_factor;
918 if(s->quarter_sample){
926 s->motion_val[ s->block_index[block] ][0]= mx4;
927 s->motion_val[ s->block_index[block] ][1]= my4;
930 if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
931 dmin_sum += s->dsp.mb_cmp[0](s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*16*s->linesize, s->me.scratchpad, s->linesize);
934 if(s->avctx->mb_cmp&FF_CMP_CHROMA){
939 mx= ff_h263_round_chroma(mx4_sum);
940 my= ff_h263_round_chroma(my4_sum);
941 dxy = ((my & 1) << 1) | (mx & 1);
943 offset= (s->mb_x*8 + (mx>>1)) + (s->mb_y*8 + (my>>1))*s->uvlinesize;
946 s->dsp.put_no_rnd_pixels_tab[1][dxy](s->me.scratchpad , s->last_picture.data[1] + offset, s->uvlinesize, 8);
947 s->dsp.put_no_rnd_pixels_tab[1][dxy](s->me.scratchpad+8 , s->last_picture.data[2] + offset, s->uvlinesize, 8);
949 s->dsp.put_pixels_tab [1][dxy](s->me.scratchpad , s->last_picture.data[1] + offset, s->uvlinesize, 8);
950 s->dsp.put_pixels_tab [1][dxy](s->me.scratchpad+8 , s->last_picture.data[2] + offset, s->uvlinesize, 8);
953 dmin_sum += s->dsp.mb_cmp[1](s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*8*s->uvlinesize, s->me.scratchpad , s->uvlinesize);
954 dmin_sum += s->dsp.mb_cmp[1](s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*8*s->uvlinesize, s->me.scratchpad+8, s->uvlinesize);
957 switch(s->avctx->mb_cmp&0xFF){
959 return dmin_sum+ 32*s->qscale*s->qscale;*/
963 return dmin_sum+ 11*s->me.mb_penalty_factor;
967 void ff_estimate_p_frame_motion(MpegEncContext * s,
971 int sum, varc, vard, mx, my, range, dmin, xx, yy;
972 int xmin, ymin, xmax, ymax;
973 int rel_xmin, rel_ymin, rel_xmax, rel_ymax;
974 int pred_x=0, pred_y=0;
976 const int shift= 1+s->quarter_sample;
978 uint8_t *ref_picture= s->last_picture.data[0];
979 Picture * const pic= &s->current_picture;
980 uint8_t * const mv_penalty= s->me.mv_penalty[s->f_code] + MAX_MV;
982 assert(s->quarter_sample==0 || s->quarter_sample==1);
984 s->me.penalty_factor = get_penalty_factor(s, s->avctx->me_cmp);
985 s->me.sub_penalty_factor= get_penalty_factor(s, s->avctx->me_sub_cmp);
986 s->me.mb_penalty_factor = get_penalty_factor(s, s->avctx->mb_cmp);
988 get_limits(s, &range, &xmin, &ymin, &xmax, &ymax);
989 rel_xmin= xmin - mb_x*16;
990 rel_xmax= xmax - mb_x*16;
991 rel_ymin= ymin - mb_y*16;
992 rel_ymax= ymax - mb_y*16;
995 switch(s->me_method) {
998 no_motion_search(s, &mx, &my);
1004 dmin = full_motion_search(s, &mx, &my, range, xmin, ymin, xmax, ymax, ref_picture);
1009 dmin = log_motion_search(s, &mx, &my, range / 2, xmin, ymin, xmax, ymax, ref_picture);
1014 dmin = phods_motion_search(s, &mx, &my, range / 2, xmin, ymin, xmax, ymax, ref_picture);
1021 const int mot_stride = s->block_wrap[0];
1022 const int mot_xy = s->block_index[0];
1024 P_LEFT[0] = s->motion_val[mot_xy - 1][0];
1025 P_LEFT[1] = s->motion_val[mot_xy - 1][1];
1027 if(P_LEFT[0] > (rel_xmax<<shift)) P_LEFT[0] = (rel_xmax<<shift);
1030 P_TOP[0] = s->motion_val[mot_xy - mot_stride ][0];
1031 P_TOP[1] = s->motion_val[mot_xy - mot_stride ][1];
1032 P_TOPRIGHT[0] = s->motion_val[mot_xy - mot_stride + 2][0];
1033 P_TOPRIGHT[1] = s->motion_val[mot_xy - mot_stride + 2][1];
1034 if(P_TOP[1] > (rel_ymax<<shift)) P_TOP[1] = (rel_ymax<<shift);
1035 if(P_TOPRIGHT[0] < (rel_xmin<<shift)) P_TOPRIGHT[0]= (rel_xmin<<shift);
1036 if(P_TOPRIGHT[1] > (rel_ymax<<shift)) P_TOPRIGHT[1]= (rel_ymax<<shift);
1038 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1039 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1041 if(s->out_format == FMT_H263){
1042 pred_x = P_MEDIAN[0];
1043 pred_y = P_MEDIAN[1];
1044 }else { /* mpeg1 at least */
1054 dmin = s->me.motion_search[0](s, 0, &mx, &my, P, pred_x, pred_y, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
1055 &s->last_picture, s->p_mv_table, (1<<16)>>shift, mv_penalty);
1060 /* intra / predictive decision */
1064 pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
1065 /* At this point (mx,my) are full-pell and the relative displacement */
1066 ppix = ref_picture + ((yy+my) * s->linesize) + (xx+mx);
1068 sum = s->dsp.pix_sum(pix, s->linesize);
1070 varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
1071 vard = (s->dsp.sse[0](NULL, pix, ppix, s->linesize)+128)>>8;
1073 //printf("%d %d %d %X %X %X\n", s->mb_width, mb_x, mb_y,(int)s, (int)s->mb_var, (int)s->mc_mb_var); fflush(stdout);
1074 pic->mb_var [s->mb_stride * mb_y + mb_x] = varc;
1075 pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = vard;
1076 pic->mb_mean [s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
1077 // pic->mb_cmp_score[s->mb_stride * mb_y + mb_x] = dmin;
1078 pic->mb_var_sum += varc;
1079 pic->mc_mb_var_sum += vard;
1080 //printf("E%d %d %d %X %X %X\n", s->mb_width, mb_x, mb_y,(int)s, (int)s->mb_var, (int)s->mc_mb_var); fflush(stdout);
1083 printf("varc=%4d avg_var=%4d (sum=%4d) vard=%4d mx=%2d my=%2d\n",
1084 varc, s->avg_mb_var, sum, vard, mx - xx, my - yy);
1086 if(s->flags&CODEC_FLAG_HQ){
1087 if (vard <= 64 || vard < varc)
1088 s->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
1090 s->scene_change_score+= s->qscale;
1092 if (vard*2 + 200 > varc)
1093 mb_type|= MB_TYPE_INTRA;
1094 if (varc*2 + 200 > vard){
1095 mb_type|= MB_TYPE_INTER;
1096 s->me.sub_motion_search(s, &mx, &my, dmin, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
1097 pred_x, pred_y, &s->last_picture, 0, 0, mv_penalty);
1102 if((s->flags&CODEC_FLAG_4MV)
1103 && !s->me.skip && varc>50 && vard>10){
1104 h263_mv4_search(s, rel_xmin, rel_ymin, rel_xmax, rel_ymax, mx, my, shift);
1105 mb_type|=MB_TYPE_INTER4V;
1107 set_p_mv_tables(s, mx, my, 0);
1109 set_p_mv_tables(s, mx, my, 1);
1111 mb_type= MB_TYPE_INTER;
1113 dmin= s->me.sub_motion_search(s, &mx, &my, dmin, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
1114 pred_x, pred_y, &s->last_picture, 0, 0, mv_penalty);
1116 if(s->avctx->me_sub_cmp != s->avctx->mb_cmp && !s->me.skip)
1117 dmin= s->me.get_mb_score(s, mx, my, pred_x, pred_y, &s->last_picture, mv_penalty);
1119 if((s->flags&CODEC_FLAG_4MV)
1120 && !s->me.skip && varc>50 && vard>10){
1121 int dmin4= h263_mv4_search(s, rel_xmin, rel_ymin, rel_xmax, rel_ymax, mx, my, shift);
1123 mb_type= MB_TYPE_INTER4V;
1127 pic->mb_cmp_score[s->mb_stride * mb_y + mb_x] = dmin;
1128 set_p_mv_tables(s, mx, my, mb_type!=MB_TYPE_INTER4V);
1130 if (vard <= 64 || vard < varc) {
1131 s->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
1133 s->scene_change_score+= s->qscale;
1137 s->mb_type[mb_y*s->mb_stride + mb_x]= mb_type;
1140 int ff_pre_estimate_p_frame_motion(MpegEncContext * s,
1143 int mx, my, range, dmin;
1144 int xmin, ymin, xmax, ymax;
1145 int rel_xmin, rel_ymin, rel_xmax, rel_ymax;
1146 int pred_x=0, pred_y=0;
1148 const int shift= 1+s->quarter_sample;
1149 uint8_t * const mv_penalty= s->me.mv_penalty[s->f_code] + MAX_MV;
1150 const int xy= mb_x + mb_y*s->mb_stride;
1152 assert(s->quarter_sample==0 || s->quarter_sample==1);
1154 s->me.pre_penalty_factor = get_penalty_factor(s, s->avctx->me_pre_cmp);
1156 get_limits(s, &range, &xmin, &ymin, &xmax, &ymax);
1157 rel_xmin= xmin - mb_x*16;
1158 rel_xmax= xmax - mb_x*16;
1159 rel_ymin= ymin - mb_y*16;
1160 rel_ymax= ymax - mb_y*16;
1163 P_LEFT[0] = s->p_mv_table[xy + 1][0];
1164 P_LEFT[1] = s->p_mv_table[xy + 1][1];
1166 if(P_LEFT[0] < (rel_xmin<<shift)) P_LEFT[0] = (rel_xmin<<shift);
1168 /* special case for first line */
1169 if (mb_y == s->mb_height-1) {
1172 P_TOP[0]= P_TOPRIGHT[0]= P_MEDIAN[0]=
1173 P_TOP[1]= P_TOPRIGHT[1]= P_MEDIAN[1]= 0; //FIXME
1175 P_TOP[0] = s->p_mv_table[xy + s->mb_stride ][0];
1176 P_TOP[1] = s->p_mv_table[xy + s->mb_stride ][1];
1177 P_TOPRIGHT[0] = s->p_mv_table[xy + s->mb_stride - 1][0];
1178 P_TOPRIGHT[1] = s->p_mv_table[xy + s->mb_stride - 1][1];
1179 if(P_TOP[1] < (rel_ymin<<shift)) P_TOP[1] = (rel_ymin<<shift);
1180 if(P_TOPRIGHT[0] > (rel_xmax<<shift)) P_TOPRIGHT[0]= (rel_xmax<<shift);
1181 if(P_TOPRIGHT[1] < (rel_ymin<<shift)) P_TOPRIGHT[1]= (rel_ymin<<shift);
1183 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1184 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1186 pred_x = P_MEDIAN[0];
1187 pred_y = P_MEDIAN[1];
1189 dmin = s->me.pre_motion_search(s, 0, &mx, &my, P, pred_x, pred_y, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
1190 &s->last_picture, s->p_mv_table, (1<<16)>>shift, mv_penalty);
1192 s->p_mv_table[xy][0] = mx<<shift;
1193 s->p_mv_table[xy][1] = my<<shift;
1198 static int ff_estimate_motion_b(MpegEncContext * s,
1199 int mb_x, int mb_y, int16_t (*mv_table)[2], Picture *picture, int f_code)
1201 int mx, my, range, dmin;
1202 int xmin, ymin, xmax, ymax;
1203 int rel_xmin, rel_ymin, rel_xmax, rel_ymax;
1204 int pred_x=0, pred_y=0;
1206 const int shift= 1+s->quarter_sample;
1207 const int mot_stride = s->mb_stride;
1208 const int mot_xy = mb_y*mot_stride + mb_x;
1209 uint8_t * const ref_picture= picture->data[0];
1210 uint8_t * const mv_penalty= s->me.mv_penalty[f_code] + MAX_MV;
1213 s->me.penalty_factor = get_penalty_factor(s, s->avctx->me_cmp);
1214 s->me.sub_penalty_factor= get_penalty_factor(s, s->avctx->me_sub_cmp);
1215 s->me.mb_penalty_factor = get_penalty_factor(s, s->avctx->mb_cmp);
1217 get_limits(s, &range, &xmin, &ymin, &xmax, &ymax);
1218 rel_xmin= xmin - mb_x*16;
1219 rel_xmax= xmax - mb_x*16;
1220 rel_ymin= ymin - mb_y*16;
1221 rel_ymax= ymax - mb_y*16;
1223 switch(s->me_method) {
1226 no_motion_search(s, &mx, &my);
1232 dmin = full_motion_search(s, &mx, &my, range, xmin, ymin, xmax, ymax, ref_picture);
1237 dmin = log_motion_search(s, &mx, &my, range / 2, xmin, ymin, xmax, ymax, ref_picture);
1242 dmin = phods_motion_search(s, &mx, &my, range / 2, xmin, ymin, xmax, ymax, ref_picture);
1249 P_LEFT[0] = mv_table[mot_xy - 1][0];
1250 P_LEFT[1] = mv_table[mot_xy - 1][1];
1252 if(P_LEFT[0] > (rel_xmax<<shift)) P_LEFT[0] = (rel_xmax<<shift);
1254 /* special case for first line */
1256 P_TOP[0] = mv_table[mot_xy - mot_stride ][0];
1257 P_TOP[1] = mv_table[mot_xy - mot_stride ][1];
1258 P_TOPRIGHT[0] = mv_table[mot_xy - mot_stride + 1 ][0];
1259 P_TOPRIGHT[1] = mv_table[mot_xy - mot_stride + 1 ][1];
1260 if(P_TOP[1] > (rel_ymax<<shift)) P_TOP[1]= (rel_ymax<<shift);
1261 if(P_TOPRIGHT[0] < (rel_xmin<<shift)) P_TOPRIGHT[0]= (rel_xmin<<shift);
1262 if(P_TOPRIGHT[1] > (rel_ymax<<shift)) P_TOPRIGHT[1]= (rel_ymax<<shift);
1264 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1265 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1271 if(mv_table == s->b_forw_mv_table){
1272 mv_scale= (s->pb_time<<16) / (s->pp_time<<shift);
1274 mv_scale= ((s->pb_time - s->pp_time)<<16) / (s->pp_time<<shift);
1277 dmin = s->me.motion_search[0](s, 0, &mx, &my, P, pred_x, pred_y, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
1278 picture, s->p_mv_table, mv_scale, mv_penalty);
1283 dmin= s->me.sub_motion_search(s, &mx, &my, dmin, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
1284 pred_x, pred_y, picture, 0, 0, mv_penalty);
1286 if(s->avctx->me_sub_cmp != s->avctx->mb_cmp && !s->me.skip)
1287 dmin= s->me.get_mb_score(s, mx, my, pred_x, pred_y, picture, mv_penalty);
1289 //printf("%d %d %d %d//", s->mb_x, s->mb_y, mx, my);
1290 // s->mb_type[mb_y*s->mb_width + mb_x]= mb_type;
1291 mv_table[mot_xy][0]= mx;
1292 mv_table[mot_xy][1]= my;
1297 static inline int check_bidir_mv(MpegEncContext * s,
1299 int motion_fx, int motion_fy,
1300 int motion_bx, int motion_by,
1301 int pred_fx, int pred_fy,
1302 int pred_bx, int pred_by)
1305 //FIXME move into template?
1306 //FIXME better f_code prediction (max mv & distance)
1307 uint8_t * const mv_penalty= s->me.mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame
1308 uint8_t *dest_y = s->me.scratchpad;
1314 if(s->quarter_sample){
1315 dxy = ((motion_fy & 3) << 2) | (motion_fx & 3);
1316 src_x = mb_x * 16 + (motion_fx >> 2);
1317 src_y = mb_y * 16 + (motion_fy >> 2);
1318 assert(src_x >=-16 && src_x<=s->width);
1319 assert(src_y >=-16 && src_y<=s->height);
1321 ptr = s->last_picture.data[0] + (src_y * s->linesize) + src_x;
1322 s->dsp.put_qpel_pixels_tab[0][dxy](dest_y , ptr , s->linesize);
1324 dxy = ((motion_by & 3) << 2) | (motion_bx & 3);
1325 src_x = mb_x * 16 + (motion_bx >> 2);
1326 src_y = mb_y * 16 + (motion_by >> 2);
1327 assert(src_x >=-16 && src_x<=s->width);
1328 assert(src_y >=-16 && src_y<=s->height);
1330 ptr = s->next_picture.data[0] + (src_y * s->linesize) + src_x;
1331 s->dsp.avg_qpel_pixels_tab[0][dxy](dest_y , ptr , s->linesize);
1333 dxy = ((motion_fy & 1) << 1) | (motion_fx & 1);
1334 src_x = mb_x * 16 + (motion_fx >> 1);
1335 src_y = mb_y * 16 + (motion_fy >> 1);
1336 assert(src_x >=-16 && src_x<=s->width);
1337 assert(src_y >=-16 && src_y<=s->height);
1339 ptr = s->last_picture.data[0] + (src_y * s->linesize) + src_x;
1340 s->dsp.put_pixels_tab[0][dxy](dest_y , ptr , s->linesize, 16);
1342 dxy = ((motion_by & 1) << 1) | (motion_bx & 1);
1343 src_x = mb_x * 16 + (motion_bx >> 1);
1344 src_y = mb_y * 16 + (motion_by >> 1);
1345 assert(src_x >=-16 && src_x<=s->width);
1346 assert(src_y >=-16 && src_y<=s->height);
1348 ptr = s->next_picture.data[0] + (src_y * s->linesize) + src_x;
1349 s->dsp.avg_pixels_tab[0][dxy](dest_y , ptr , s->linesize, 16);
1352 fbmin = (mv_penalty[motion_fx-pred_fx] + mv_penalty[motion_fy-pred_fy])*s->me.mb_penalty_factor
1353 +(mv_penalty[motion_bx-pred_bx] + mv_penalty[motion_by-pred_by])*s->me.mb_penalty_factor
1354 + s->dsp.mb_cmp[0](s, s->new_picture.data[0] + mb_x*16 + mb_y*16*s->linesize, dest_y, s->linesize);
1356 if(s->avctx->mb_cmp&FF_CMP_CHROMA){
1363 /* refine the bidir vectors in hq mode and return the score in both lq & hq mode*/
1364 static inline int bidir_refine(MpegEncContext * s,
1367 const int mot_stride = s->mb_stride;
1368 const int xy = mb_y *mot_stride + mb_x;
1370 int pred_fx= s->b_bidir_forw_mv_table[xy-1][0];
1371 int pred_fy= s->b_bidir_forw_mv_table[xy-1][1];
1372 int pred_bx= s->b_bidir_back_mv_table[xy-1][0];
1373 int pred_by= s->b_bidir_back_mv_table[xy-1][1];
1374 int motion_fx= s->b_bidir_forw_mv_table[xy][0]= s->b_forw_mv_table[xy][0];
1375 int motion_fy= s->b_bidir_forw_mv_table[xy][1]= s->b_forw_mv_table[xy][1];
1376 int motion_bx= s->b_bidir_back_mv_table[xy][0]= s->b_back_mv_table[xy][0];
1377 int motion_by= s->b_bidir_back_mv_table[xy][1]= s->b_back_mv_table[xy][1];
1379 //FIXME do refinement and add flag
1381 fbmin= check_bidir_mv(s, mb_x, mb_y,
1382 motion_fx, motion_fy,
1383 motion_bx, motion_by,
1390 static inline int direct_search(MpegEncContext * s,
1394 const int mot_stride = s->mb_stride;
1395 const int mot_xy = mb_y*mot_stride + mb_x;
1396 const int shift= 1+s->quarter_sample;
1398 const int time_pp= s->pp_time;
1399 const int time_pb= s->pb_time;
1400 int mx, my, xmin, xmax, ymin, ymax;
1401 int16_t (*mv_table)[2]= s->b_direct_mv_table;
1402 uint8_t * const mv_penalty= s->me.mv_penalty[1] + MAX_MV;
1404 ymin= xmin=(-32)>>shift;
1405 ymax= xmax= 31>>shift;
1407 if(IS_8X8(s->next_picture.mb_type[mot_xy])){
1408 s->mv_type= MV_TYPE_8X8;
1410 s->mv_type= MV_TYPE_16X16;
1414 int index= s->block_index[i];
1417 s->me.co_located_mv[i][0]= s->motion_val[index][0];
1418 s->me.co_located_mv[i][1]= s->motion_val[index][1];
1419 s->me.direct_basis_mv[i][0]= s->me.co_located_mv[i][0]*time_pb/time_pp + ((i& 1)<<(shift+3));
1420 s->me.direct_basis_mv[i][1]= s->me.co_located_mv[i][1]*time_pb/time_pp + ((i>>1)<<(shift+3));
1421 // s->me.direct_basis_mv[1][i][0]= s->me.co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(shift+3);
1422 // s->me.direct_basis_mv[1][i][1]= s->me.co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(shift+3);
1424 max= FFMAX(s->me.direct_basis_mv[i][0], s->me.direct_basis_mv[i][0] - s->me.co_located_mv[i][0])>>shift;
1425 min= FFMIN(s->me.direct_basis_mv[i][0], s->me.direct_basis_mv[i][0] - s->me.co_located_mv[i][0])>>shift;
1426 max+= (2*mb_x + (i& 1))*8 + 1; // +-1 is for the simpler rounding
1427 min+= (2*mb_x + (i& 1))*8 - 1;
1428 xmax= FFMIN(xmax, s->width - max);
1429 xmin= FFMAX(xmin, - 16 - min);
1431 max= FFMAX(s->me.direct_basis_mv[i][1], s->me.direct_basis_mv[i][1] - s->me.co_located_mv[i][1])>>shift;
1432 min= FFMIN(s->me.direct_basis_mv[i][1], s->me.direct_basis_mv[i][1] - s->me.co_located_mv[i][1])>>shift;
1433 max+= (2*mb_y + (i>>1))*8 + 1; // +-1 is for the simpler rounding
1434 min+= (2*mb_y + (i>>1))*8 - 1;
1435 ymax= FFMIN(ymax, s->height - max);
1436 ymin= FFMAX(ymin, - 16 - min);
1438 if(s->mv_type == MV_TYPE_16X16) break;
1441 assert(xmax <= 15 && ymax <= 15 && xmin >= -16 && ymin >= -16);
1443 if(xmax < 0 || xmin >0 || ymax < 0 || ymin > 0){
1444 s->b_direct_mv_table[mot_xy][0]= 0;
1445 s->b_direct_mv_table[mot_xy][1]= 0;
1447 return 256*256*256*64;
1450 P_LEFT[0] = clip(mv_table[mot_xy - 1][0], xmin<<shift, xmax<<shift);
1451 P_LEFT[1] = clip(mv_table[mot_xy - 1][1], ymin<<shift, ymax<<shift);
1453 /* special case for first line */
1455 P_TOP[0] = clip(mv_table[mot_xy - mot_stride ][0], xmin<<shift, xmax<<shift);
1456 P_TOP[1] = clip(mv_table[mot_xy - mot_stride ][1], ymin<<shift, ymax<<shift);
1457 P_TOPRIGHT[0] = clip(mv_table[mot_xy - mot_stride + 1 ][0], xmin<<shift, xmax<<shift);
1458 P_TOPRIGHT[1] = clip(mv_table[mot_xy - mot_stride + 1 ][1], ymin<<shift, ymax<<shift);
1460 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1461 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1464 //FIXME direct_search ptr in context!!! (needed for chroma anyway or this will get messy)
1465 if(s->flags&CODEC_FLAG_QPEL){
1466 dmin = simple_direct_qpel_epzs_motion_search(s, 0, &mx, &my, P, 0, 0, xmin, ymin, xmax, ymax,
1467 &s->last_picture, mv_table, 1<<14, mv_penalty);
1468 dmin = simple_direct_qpel_qpel_motion_search(s, &mx, &my, dmin, xmin, ymin, xmax, ymax,
1469 0, 0, &s->last_picture, 0, 0, mv_penalty);
1471 if(s->avctx->me_sub_cmp != s->avctx->mb_cmp && !s->me.skip)
1472 dmin= simple_direct_qpel_qpel_get_mb_score(s, mx, my, 0, 0, &s->last_picture, mv_penalty);
1474 dmin = simple_direct_hpel_epzs_motion_search(s, 0, &mx, &my, P, 0, 0, xmin, ymin, xmax, ymax,
1475 &s->last_picture, mv_table, 1<<15, mv_penalty);
1476 dmin = simple_direct_hpel_hpel_motion_search(s, &mx, &my, dmin, xmin, ymin, xmax, ymax,
1477 0, 0, &s->last_picture, 0, 0, mv_penalty);
1479 if(s->avctx->me_sub_cmp != s->avctx->mb_cmp && !s->me.skip)
1480 dmin= simple_direct_hpel_hpel_get_mb_score(s, mx, my, 0, 0, &s->last_picture, mv_penalty);
1483 s->b_direct_mv_table[mot_xy][0]= mx;
1484 s->b_direct_mv_table[mot_xy][1]= my;
1488 void ff_estimate_b_frame_motion(MpegEncContext * s,
1491 const int penalty_factor= s->me.mb_penalty_factor;
1492 int fmin, bmin, dmin, fbmin;
1495 dmin= direct_search(s, mb_x, mb_y);
1497 fmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, &s->last_picture, s->f_code) + 3*penalty_factor;
1498 bmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, &s->next_picture, s->b_code) + 2*penalty_factor;
1499 //printf(" %d %d ", s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1]);
1501 fbmin= bidir_refine(s, mb_x, mb_y) + penalty_factor;
1502 //printf("%d %d %d %d\n", dmin, fmin, bmin, fbmin);
1505 type = MB_TYPE_FORWARD;
1507 // RAL: No MB_TYPE_DIRECT in MPEG-1 video (only MPEG-4)
1508 if (s->codec_id != CODEC_ID_MPEG1VIDEO && dmin <= score){
1510 type = MB_TYPE_DIRECT;
1514 type= MB_TYPE_BACKWARD;
1518 type= MB_TYPE_BIDIR;
1521 score= ((unsigned)(score*score + 128*256))>>16;
1522 s->current_picture.mc_mb_var_sum += score;
1523 s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE
1526 if(s->flags&CODEC_FLAG_HQ){
1527 type= MB_TYPE_FORWARD | MB_TYPE_BACKWARD | MB_TYPE_BIDIR | MB_TYPE_DIRECT; //FIXME something smarter
1528 if(dmin>256*256*16) type&= ~MB_TYPE_DIRECT; //dont try direct mode if its invalid for this MB
1531 s->mb_type[mb_y*s->mb_stride + mb_x]= type;
1534 /* find best f_code for ME which do unlimited searches */
1535 int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type)
1537 if(s->me_method>=ME_EPZS){
1540 uint8_t * fcode_tab= s->fcode_tab;
1542 int best_score=-10000000;
1544 for(i=0; i<8; i++) score[i]= s->mb_num*(8-i);
1546 for(y=0; y<s->mb_height; y++){
1548 int xy= y*s->mb_stride;
1549 for(x=0; x<s->mb_width; x++){
1550 if(s->mb_type[xy] & type){
1551 int fcode= FFMAX(fcode_tab[mv_table[xy][0] + MAX_MV],
1552 fcode_tab[mv_table[xy][1] + MAX_MV]);
1555 for(j=0; j<fcode && j<8; j++){
1556 if(s->pict_type==B_TYPE || s->current_picture.mc_mb_var[xy] < s->current_picture.mb_var[xy])
1565 if(score[i] > best_score){
1566 best_score= score[i];
1569 // printf("%d %d\n", i, score[i]);
1572 // printf("fcode: %d type: %d\n", i, s->pict_type);
1574 /* for(i=0; i<=MAX_FCODE; i++){
1575 printf("%d ", mv_num[i]);
1583 void ff_fix_long_p_mvs(MpegEncContext * s)
1585 const int f_code= s->f_code;
1588 range = (((s->codec_id == CODEC_ID_MPEG1VIDEO) ? 8 : 16) << f_code);
1590 if(s->msmpeg4_version) range= 16;
1592 if(s->avctx->me_range && range > s->avctx->me_range) range= s->avctx->me_range;
1594 /* clip / convert to intra 16x16 type MVs */
1595 for(y=0; y<s->mb_height; y++){
1597 int xy= y*s->mb_stride;
1598 for(x=0; x<s->mb_width; x++){
1599 if(s->mb_type[xy]&MB_TYPE_INTER){
1600 if( s->p_mv_table[xy][0] >=range || s->p_mv_table[xy][0] <-range
1601 || s->p_mv_table[xy][1] >=range || s->p_mv_table[xy][1] <-range){
1602 s->mb_type[xy] &= ~MB_TYPE_INTER;
1603 s->mb_type[xy] |= MB_TYPE_INTRA;
1604 s->p_mv_table[xy][0] = 0;
1605 s->p_mv_table[xy][1] = 0;
1611 //printf("%d no:%d %d//\n", clip, noclip, f_code);
1612 if(s->flags&CODEC_FLAG_4MV){
1613 const int wrap= 2+ s->mb_width*2;
1615 /* clip / convert to intra 8x8 type MVs */
1616 for(y=0; y<s->mb_height; y++){
1617 int xy= (y*2 + 1)*wrap + 1;
1618 int i= y*s->mb_stride;
1621 for(x=0; x<s->mb_width; x++){
1622 if(s->mb_type[i]&MB_TYPE_INTER4V){
1624 for(block=0; block<4; block++){
1625 int off= (block& 1) + (block>>1)*wrap;
1626 int mx= s->motion_val[ xy + off ][0];
1627 int my= s->motion_val[ xy + off ][1];
1629 if( mx >=range || mx <-range
1630 || my >=range || my <-range){
1631 s->mb_type[i] &= ~MB_TYPE_INTER4V;
1632 s->mb_type[i] |= MB_TYPE_INTRA;
1643 void ff_fix_long_b_mvs(MpegEncContext * s, int16_t (*mv_table)[2], int f_code, int type)
1647 // RAL: 8 in MPEG-1, 16 in MPEG-4
1648 int range = (((s->codec_id == CODEC_ID_MPEG1VIDEO) ? 8 : 16) << f_code);
1650 if(s->avctx->me_range && range > s->avctx->me_range) range= s->avctx->me_range;
1652 /* clip / convert to intra 16x16 type MVs */
1653 for(y=0; y<s->mb_height; y++){
1655 int xy= y*s->mb_stride;
1656 for(x=0; x<s->mb_width; x++){
1657 if (s->mb_type[xy] & type){ // RAL: "type" test added...
1658 if( mv_table[xy][0] >=range || mv_table[xy][0] <-range
1659 || mv_table[xy][1] >=range || mv_table[xy][1] <-range){
1661 if(s->codec_id == CODEC_ID_MPEG1VIDEO && 0){
1663 if (mv_table[xy][0] > range-1) mv_table[xy][0]= range-1;
1664 else if(mv_table[xy][0] < -range ) mv_table[xy][0]= -range;
1665 if (mv_table[xy][1] > range-1) mv_table[xy][1]= range-1;
1666 else if(mv_table[xy][1] < -range ) mv_table[xy][1]= -range;