Merge branch 'master' of http://repo.or.cz/r/FFMpeg-mirror
[FFMpeg-mirror/DVCPRO-HD.git] / libavcodec / motion_est.c
blobd3877c0682a9adf43c146ab3de1681e5174b0eca
1 /*
2 * Motion estimation
3 * Copyright (c) 2000,2001 Fabrice Bellard.
4 * Copyright (c) 2002-2004 Michael Niedermayer
6 * new motion estimation (X1/EPZS) by Michael Niedermayer <michaelni@gmx.at>
8 * This file is part of FFmpeg.
10 * FFmpeg is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
15 * FFmpeg is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with FFmpeg; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 /**
26 * @file motion_est.c
27 * Motion estimation.
30 #include <stdlib.h>
31 #include <stdio.h>
32 #include <limits.h>
33 #include "avcodec.h"
34 #include "dsputil.h"
35 #include "mpegvideo.h"
37 #undef NDEBUG
38 #include <assert.h>
40 #define SQ(a) ((a)*(a))
42 #define P_LEFT P[1]
43 #define P_TOP P[2]
44 #define P_TOPRIGHT P[3]
45 #define P_MEDIAN P[4]
46 #define P_MV1 P[9]
48 static inline int sad_hpel_motion_search(MpegEncContext * s,
49 int *mx_ptr, int *my_ptr, int dmin,
50 int src_index, int ref_index,
51 int size, int h);
53 static inline int update_map_generation(MotionEstContext *c)
55 c->map_generation+= 1<<(ME_MAP_MV_BITS*2);
56 if(c->map_generation==0){
57 c->map_generation= 1<<(ME_MAP_MV_BITS*2);
58 memset(c->map, 0, sizeof(uint32_t)*ME_MAP_SIZE);
60 return c->map_generation;
63 /* shape adaptive search stuff */
64 typedef struct Minima{
65 int height;
66 int x, y;
67 int checked;
68 }Minima;
70 static int minima_cmp(const void *a, const void *b){
71 const Minima *da = (const Minima *) a;
72 const Minima *db = (const Minima *) b;
74 return da->height - db->height;
77 #define FLAG_QPEL 1 //must be 1
78 #define FLAG_CHROMA 2
79 #define FLAG_DIRECT 4
81 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){
82 const int offset[3]= {
83 y*c-> stride + x,
84 ((y*c->uvstride + x)>>1),
85 ((y*c->uvstride + x)>>1),
87 int i;
88 for(i=0; i<3; i++){
89 c->src[0][i]= src [i] + offset[i];
90 c->ref[0][i]= ref [i] + offset[i];
92 if(ref_index){
93 for(i=0; i<3; i++){
94 c->ref[ref_index][i]= ref2[i] + offset[i];
99 static int get_flags(MotionEstContext *c, int direct, int chroma){
100 return ((c->avctx->flags&CODEC_FLAG_QPEL) ? FLAG_QPEL : 0)
101 + (direct ? FLAG_DIRECT : 0)
102 + (chroma ? FLAG_CHROMA : 0);
105 /*! \brief compares a block (either a full macroblock or a partition thereof)
106 against a proposed motion-compensated prediction of that block
108 static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
109 const int size, const int h, int ref_index, int src_index,
110 me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
111 MotionEstContext * const c= &s->me;
112 const int stride= c->stride;
113 const int uvstride= c->uvstride;
114 const int qpel= flags&FLAG_QPEL;
115 const int chroma= flags&FLAG_CHROMA;
116 const int dxy= subx + (suby<<(1+qpel)); //FIXME log2_subpel?
117 const int hx= subx + (x<<(1+qpel));
118 const int hy= suby + (y<<(1+qpel));
119 uint8_t * const * const ref= c->ref[ref_index];
120 uint8_t * const * const src= c->src[src_index];
121 int d;
122 //FIXME check chroma 4mv, (no crashes ...)
123 if(flags&FLAG_DIRECT){
124 assert(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1));
125 if(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)){
126 const int time_pp= s->pp_time;
127 const int time_pb= s->pb_time;
128 const int mask= 2*qpel+1;
129 if(s->mv_type==MV_TYPE_8X8){
130 int i;
131 for(i=0; i<4; i++){
132 int fx = c->direct_basis_mv[i][0] + hx;
133 int fy = c->direct_basis_mv[i][1] + hy;
134 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));
135 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));
136 int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
137 int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
139 uint8_t *dst= c->temp + 8*(i&1) + 8*stride*(i>>1);
140 if(qpel){
141 c->qpel_put[1][fxy](dst, ref[0] + (fx>>2) + (fy>>2)*stride, stride);
142 c->qpel_avg[1][bxy](dst, ref[8] + (bx>>2) + (by>>2)*stride, stride);
143 }else{
144 c->hpel_put[1][fxy](dst, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 8);
145 c->hpel_avg[1][bxy](dst, ref[8] + (bx>>1) + (by>>1)*stride, stride, 8);
148 }else{
149 int fx = c->direct_basis_mv[0][0] + hx;
150 int fy = c->direct_basis_mv[0][1] + hy;
151 int bx = hx ? fx - c->co_located_mv[0][0] : (c->co_located_mv[0][0]*(time_pb - time_pp)/time_pp);
152 int by = hy ? fy - c->co_located_mv[0][1] : (c->co_located_mv[0][1]*(time_pb - time_pp)/time_pp);
153 int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
154 int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
156 if(qpel){
157 c->qpel_put[1][fxy](c->temp , ref[0] + (fx>>2) + (fy>>2)*stride , stride);
158 c->qpel_put[1][fxy](c->temp + 8 , ref[0] + (fx>>2) + (fy>>2)*stride + 8 , stride);
159 c->qpel_put[1][fxy](c->temp + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8*stride, stride);
160 c->qpel_put[1][fxy](c->temp + 8 + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8 + 8*stride, stride);
161 c->qpel_avg[1][bxy](c->temp , ref[8] + (bx>>2) + (by>>2)*stride , stride);
162 c->qpel_avg[1][bxy](c->temp + 8 , ref[8] + (bx>>2) + (by>>2)*stride + 8 , stride);
163 c->qpel_avg[1][bxy](c->temp + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8*stride, stride);
164 c->qpel_avg[1][bxy](c->temp + 8 + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8 + 8*stride, stride);
165 }else{
166 assert((fx>>1) + 16*s->mb_x >= -16);
167 assert((fy>>1) + 16*s->mb_y >= -16);
168 assert((fx>>1) + 16*s->mb_x <= s->width);
169 assert((fy>>1) + 16*s->mb_y <= s->height);
170 assert((bx>>1) + 16*s->mb_x >= -16);
171 assert((by>>1) + 16*s->mb_y >= -16);
172 assert((bx>>1) + 16*s->mb_x <= s->width);
173 assert((by>>1) + 16*s->mb_y <= s->height);
175 c->hpel_put[0][fxy](c->temp, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 16);
176 c->hpel_avg[0][bxy](c->temp, ref[8] + (bx>>1) + (by>>1)*stride, stride, 16);
179 d = cmp_func(s, c->temp, src[0], stride, 16);
180 }else
181 d= 256*256*256*32;
182 }else{
183 int uvdxy; /* no, it might not be used uninitialized */
184 if(dxy){
185 if(qpel){
186 c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride); //FIXME prototype (add h)
187 if(chroma){
188 int cx= hx/2;
189 int cy= hy/2;
190 cx= (cx>>1)|(cx&1);
191 cy= (cy>>1)|(cy&1);
192 uvdxy= (cx&1) + 2*(cy&1);
193 //FIXME x/y wrong, but mpeg4 qpel is sick anyway, we should drop as much of it as possible in favor for h264
195 }else{
196 c->hpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride, h);
197 if(chroma)
198 uvdxy= dxy | (x&1) | (2*(y&1));
200 d = cmp_func(s, c->temp, src[0], stride, h);
201 }else{
202 d = cmp_func(s, src[0], ref[0] + x + y*stride, stride, h);
203 if(chroma)
204 uvdxy= (x&1) + 2*(y&1);
206 if(chroma){
207 uint8_t * const uvtemp= c->temp + 16*stride;
208 c->hpel_put[size+1][uvdxy](uvtemp , ref[1] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
209 c->hpel_put[size+1][uvdxy](uvtemp+8, ref[2] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
210 d += chroma_cmp_func(s, uvtemp , src[1], uvstride, h>>1);
211 d += chroma_cmp_func(s, uvtemp+8, src[2], uvstride, h>>1);
214 #if 0
215 if(full_pel){
216 const int index= (((y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1);
217 score_map[index]= d;
220 d += (c->mv_penalty[hx - c->pred_x] + c->mv_penalty[hy - c->pred_y])*c->penalty_factor;
221 #endif
222 return d;
225 #include "motion_est_template.c"
227 static int zero_cmp(void *s, uint8_t *a, uint8_t *b, int stride, int h){
228 return 0;
231 static void zero_hpel(uint8_t *a, const uint8_t *b, int stride, int h){
234 int ff_init_me(MpegEncContext *s){
235 MotionEstContext * const c= &s->me;
236 int cache_size= FFMIN(ME_MAP_SIZE>>ME_MAP_SHIFT, 1<<ME_MAP_SHIFT);
237 int dia_size= FFMAX(FFABS(s->avctx->dia_size)&255, FFABS(s->avctx->pre_dia_size)&255);
239 if(FFMIN(s->avctx->dia_size, s->avctx->pre_dia_size) < -ME_MAP_SIZE){
240 av_log(s->avctx, AV_LOG_ERROR, "ME_MAP size is too small for SAB diamond\n");
241 return -1;
244 c->avctx= s->avctx;
246 if(cache_size < 2*dia_size && !c->stride){
247 av_log(s->avctx, AV_LOG_INFO, "ME_MAP size may be a little small for the selected diamond size\n");
250 ff_set_cmp(&s->dsp, s->dsp.me_pre_cmp, c->avctx->me_pre_cmp);
251 ff_set_cmp(&s->dsp, s->dsp.me_cmp, c->avctx->me_cmp);
252 ff_set_cmp(&s->dsp, s->dsp.me_sub_cmp, c->avctx->me_sub_cmp);
253 ff_set_cmp(&s->dsp, s->dsp.mb_cmp, c->avctx->mb_cmp);
255 c->flags = get_flags(c, 0, c->avctx->me_cmp &FF_CMP_CHROMA);
256 c->sub_flags= get_flags(c, 0, c->avctx->me_sub_cmp&FF_CMP_CHROMA);
257 c->mb_flags = get_flags(c, 0, c->avctx->mb_cmp &FF_CMP_CHROMA);
259 /*FIXME s->no_rounding b_type*/
260 if(s->flags&CODEC_FLAG_QPEL){
261 c->sub_motion_search= qpel_motion_search;
262 c->qpel_avg= s->dsp.avg_qpel_pixels_tab;
263 if(s->no_rounding) c->qpel_put= s->dsp.put_no_rnd_qpel_pixels_tab;
264 else c->qpel_put= s->dsp.put_qpel_pixels_tab;
265 }else{
266 if(c->avctx->me_sub_cmp&FF_CMP_CHROMA)
267 c->sub_motion_search= hpel_motion_search;
268 else if( c->avctx->me_sub_cmp == FF_CMP_SAD
269 && c->avctx-> me_cmp == FF_CMP_SAD
270 && c->avctx-> mb_cmp == FF_CMP_SAD)
271 c->sub_motion_search= sad_hpel_motion_search; // 2050 vs. 2450 cycles
272 else
273 c->sub_motion_search= hpel_motion_search;
275 c->hpel_avg= s->dsp.avg_pixels_tab;
276 if(s->no_rounding) c->hpel_put= s->dsp.put_no_rnd_pixels_tab;
277 else c->hpel_put= s->dsp.put_pixels_tab;
279 if(s->linesize){
280 c->stride = s->linesize;
281 c->uvstride= s->uvlinesize;
282 }else{
283 c->stride = 16*s->mb_width + 32;
284 c->uvstride= 8*s->mb_width + 16;
287 /* 8x8 fullpel search would need a 4x4 chroma compare, which we do
288 * not have yet, and even if we had, the motion estimation code
289 * does not expect it. */
290 if(s->codec_id != CODEC_ID_SNOW){
291 if((c->avctx->me_cmp&FF_CMP_CHROMA)/* && !s->dsp.me_cmp[2]*/){
292 s->dsp.me_cmp[2]= zero_cmp;
294 if((c->avctx->me_sub_cmp&FF_CMP_CHROMA) && !s->dsp.me_sub_cmp[2]){
295 s->dsp.me_sub_cmp[2]= zero_cmp;
297 c->hpel_put[2][0]= c->hpel_put[2][1]=
298 c->hpel_put[2][2]= c->hpel_put[2][3]= zero_hpel;
301 if(s->codec_id == CODEC_ID_H261){
302 c->sub_motion_search= no_sub_motion_search;
305 c->temp= c->scratchpad;
307 return 0;
310 #if 0
311 static int pix_dev(uint8_t * pix, int line_size, int mean)
313 int s, i, j;
315 s = 0;
316 for (i = 0; i < 16; i++) {
317 for (j = 0; j < 16; j += 8) {
318 s += FFABS(pix[0]-mean);
319 s += FFABS(pix[1]-mean);
320 s += FFABS(pix[2]-mean);
321 s += FFABS(pix[3]-mean);
322 s += FFABS(pix[4]-mean);
323 s += FFABS(pix[5]-mean);
324 s += FFABS(pix[6]-mean);
325 s += FFABS(pix[7]-mean);
326 pix += 8;
328 pix += line_size - 16;
330 return s;
332 #endif
334 static inline void no_motion_search(MpegEncContext * s,
335 int *mx_ptr, int *my_ptr)
337 *mx_ptr = 16 * s->mb_x;
338 *my_ptr = 16 * s->mb_y;
341 #if 0 /* the use of these functions is inside #if 0 */
342 static int full_motion_search(MpegEncContext * s,
343 int *mx_ptr, int *my_ptr, int range,
344 int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
346 int x1, y1, x2, y2, xx, yy, x, y;
347 int mx, my, dmin, d;
348 uint8_t *pix;
350 xx = 16 * s->mb_x;
351 yy = 16 * s->mb_y;
352 x1 = xx - range + 1; /* we loose one pixel to avoid boundary pb with half pixel pred */
353 if (x1 < xmin)
354 x1 = xmin;
355 x2 = xx + range - 1;
356 if (x2 > xmax)
357 x2 = xmax;
358 y1 = yy - range + 1;
359 if (y1 < ymin)
360 y1 = ymin;
361 y2 = yy + range - 1;
362 if (y2 > ymax)
363 y2 = ymax;
364 pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
365 dmin = 0x7fffffff;
366 mx = 0;
367 my = 0;
368 for (y = y1; y <= y2; y++) {
369 for (x = x1; x <= x2; x++) {
370 d = s->dsp.pix_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x,
371 s->linesize, 16);
372 if (d < dmin ||
373 (d == dmin &&
374 (abs(x - xx) + abs(y - yy)) <
375 (abs(mx - xx) + abs(my - yy)))) {
376 dmin = d;
377 mx = x;
378 my = y;
383 *mx_ptr = mx;
384 *my_ptr = my;
386 #if 0
387 if (*mx_ptr < -(2 * range) || *mx_ptr >= (2 * range) ||
388 *my_ptr < -(2 * range) || *my_ptr >= (2 * range)) {
389 av_log(NULL, AV_LOG_ERROR, "error %d %d\n", *mx_ptr, *my_ptr);
391 #endif
392 return dmin;
396 static int log_motion_search(MpegEncContext * s,
397 int *mx_ptr, int *my_ptr, int range,
398 int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
400 int x1, y1, x2, y2, xx, yy, x, y;
401 int mx, my, dmin, d;
402 uint8_t *pix;
404 xx = s->mb_x << 4;
405 yy = s->mb_y << 4;
407 /* Left limit */
408 x1 = xx - range;
409 if (x1 < xmin)
410 x1 = xmin;
412 /* Right limit */
413 x2 = xx + range;
414 if (x2 > xmax)
415 x2 = xmax;
417 /* Upper limit */
418 y1 = yy - range;
419 if (y1 < ymin)
420 y1 = ymin;
422 /* Lower limit */
423 y2 = yy + range;
424 if (y2 > ymax)
425 y2 = ymax;
427 pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
428 dmin = 0x7fffffff;
429 mx = 0;
430 my = 0;
432 do {
433 for (y = y1; y <= y2; y += range) {
434 for (x = x1; x <= x2; x += range) {
435 d = s->dsp.pix_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x, s->linesize, 16);
436 if (d < dmin || (d == dmin && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
437 dmin = d;
438 mx = x;
439 my = y;
444 range = range >> 1;
446 x1 = mx - range;
447 if (x1 < xmin)
448 x1 = xmin;
450 x2 = mx + range;
451 if (x2 > xmax)
452 x2 = xmax;
454 y1 = my - range;
455 if (y1 < ymin)
456 y1 = ymin;
458 y2 = my + range;
459 if (y2 > ymax)
460 y2 = ymax;
462 } while (range >= 1);
464 #ifdef DEBUG
465 av_log(s->avctx, AV_LOG_DEBUG, "log - MX: %d\tMY: %d\n", mx, my);
466 #endif
467 *mx_ptr = mx;
468 *my_ptr = my;
469 return dmin;
472 static int phods_motion_search(MpegEncContext * s,
473 int *mx_ptr, int *my_ptr, int range,
474 int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
476 int x1, y1, x2, y2, xx, yy, x, y, lastx, d;
477 int mx, my, dminx, dminy;
478 uint8_t *pix;
480 xx = s->mb_x << 4;
481 yy = s->mb_y << 4;
483 /* Left limit */
484 x1 = xx - range;
485 if (x1 < xmin)
486 x1 = xmin;
488 /* Right limit */
489 x2 = xx + range;
490 if (x2 > xmax)
491 x2 = xmax;
493 /* Upper limit */
494 y1 = yy - range;
495 if (y1 < ymin)
496 y1 = ymin;
498 /* Lower limit */
499 y2 = yy + range;
500 if (y2 > ymax)
501 y2 = ymax;
503 pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
504 mx = 0;
505 my = 0;
507 x = xx;
508 y = yy;
509 do {
510 dminx = 0x7fffffff;
511 dminy = 0x7fffffff;
513 lastx = x;
514 for (x = x1; x <= x2; x += range) {
515 d = s->dsp.pix_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x, s->linesize, 16);
516 if (d < dminx || (d == dminx && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
517 dminx = d;
518 mx = x;
522 x = lastx;
523 for (y = y1; y <= y2; y += range) {
524 d = s->dsp.pix_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x, s->linesize, 16);
525 if (d < dminy || (d == dminy && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
526 dminy = d;
527 my = y;
531 range = range >> 1;
533 x = mx;
534 y = my;
535 x1 = mx - range;
536 if (x1 < xmin)
537 x1 = xmin;
539 x2 = mx + range;
540 if (x2 > xmax)
541 x2 = xmax;
543 y1 = my - range;
544 if (y1 < ymin)
545 y1 = ymin;
547 y2 = my + range;
548 if (y2 > ymax)
549 y2 = ymax;
551 } while (range >= 1);
553 #ifdef DEBUG
554 av_log(s->avctx, AV_LOG_DEBUG, "phods - MX: %d\tMY: %d\n", mx, my);
555 #endif
557 /* half pixel search */
558 *mx_ptr = mx;
559 *my_ptr = my;
560 return dminy;
562 #endif /* 0 */
564 #define Z_THRESHOLD 256
566 #define CHECK_SAD_HALF_MV(suffix, x, y) \
568 d= s->dsp.pix_abs[size][(x?1:0)+(y?2:0)](NULL, pix, ptr+((x)>>1), stride, h);\
569 d += (mv_penalty[pen_x + x] + mv_penalty[pen_y + y])*penalty_factor;\
570 COPY3_IF_LT(dminh, d, dx, x, dy, y)\
573 static inline int sad_hpel_motion_search(MpegEncContext * s,
574 int *mx_ptr, int *my_ptr, int dmin,
575 int src_index, int ref_index,
576 int size, int h)
578 MotionEstContext * const c= &s->me;
579 const int penalty_factor= c->sub_penalty_factor;
580 int mx, my, dminh;
581 uint8_t *pix, *ptr;
582 int stride= c->stride;
583 const int flags= c->sub_flags;
584 LOAD_COMMON
586 assert(flags == 0);
588 if(c->skip){
589 // printf("S");
590 *mx_ptr = 0;
591 *my_ptr = 0;
592 return dmin;
594 // printf("N");
596 pix = c->src[src_index][0];
598 mx = *mx_ptr;
599 my = *my_ptr;
600 ptr = c->ref[ref_index][0] + (my * stride) + mx;
602 dminh = dmin;
604 if (mx > xmin && mx < xmax &&
605 my > ymin && my < ymax) {
606 int dx=0, dy=0;
607 int d, pen_x, pen_y;
608 const int index= (my<<ME_MAP_SHIFT) + mx;
609 const int t= score_map[(index-(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
610 const int l= score_map[(index- 1 )&(ME_MAP_SIZE-1)];
611 const int r= score_map[(index+ 1 )&(ME_MAP_SIZE-1)];
612 const int b= score_map[(index+(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
613 mx<<=1;
614 my<<=1;
617 pen_x= pred_x + mx;
618 pen_y= pred_y + my;
620 ptr-= stride;
621 if(t<=b){
622 CHECK_SAD_HALF_MV(y2 , 0, -1)
623 if(l<=r){
624 CHECK_SAD_HALF_MV(xy2, -1, -1)
625 if(t+r<=b+l){
626 CHECK_SAD_HALF_MV(xy2, +1, -1)
627 ptr+= stride;
628 }else{
629 ptr+= stride;
630 CHECK_SAD_HALF_MV(xy2, -1, +1)
632 CHECK_SAD_HALF_MV(x2 , -1, 0)
633 }else{
634 CHECK_SAD_HALF_MV(xy2, +1, -1)
635 if(t+l<=b+r){
636 CHECK_SAD_HALF_MV(xy2, -1, -1)
637 ptr+= stride;
638 }else{
639 ptr+= stride;
640 CHECK_SAD_HALF_MV(xy2, +1, +1)
642 CHECK_SAD_HALF_MV(x2 , +1, 0)
644 }else{
645 if(l<=r){
646 if(t+l<=b+r){
647 CHECK_SAD_HALF_MV(xy2, -1, -1)
648 ptr+= stride;
649 }else{
650 ptr+= stride;
651 CHECK_SAD_HALF_MV(xy2, +1, +1)
653 CHECK_SAD_HALF_MV(x2 , -1, 0)
654 CHECK_SAD_HALF_MV(xy2, -1, +1)
655 }else{
656 if(t+r<=b+l){
657 CHECK_SAD_HALF_MV(xy2, +1, -1)
658 ptr+= stride;
659 }else{
660 ptr+= stride;
661 CHECK_SAD_HALF_MV(xy2, -1, +1)
663 CHECK_SAD_HALF_MV(x2 , +1, 0)
664 CHECK_SAD_HALF_MV(xy2, +1, +1)
666 CHECK_SAD_HALF_MV(y2 , 0, +1)
668 mx+=dx;
669 my+=dy;
671 }else{
672 mx<<=1;
673 my<<=1;
676 *mx_ptr = mx;
677 *my_ptr = my;
678 return dminh;
681 static inline void set_p_mv_tables(MpegEncContext * s, int mx, int my, int mv4)
683 const int xy= s->mb_x + s->mb_y*s->mb_stride;
685 s->p_mv_table[xy][0] = mx;
686 s->p_mv_table[xy][1] = my;
688 /* has already been set to the 4 MV if 4MV is done */
689 if(mv4){
690 int mot_xy= s->block_index[0];
692 s->current_picture.motion_val[0][mot_xy ][0]= mx;
693 s->current_picture.motion_val[0][mot_xy ][1]= my;
694 s->current_picture.motion_val[0][mot_xy+1][0]= mx;
695 s->current_picture.motion_val[0][mot_xy+1][1]= my;
697 mot_xy += s->b8_stride;
698 s->current_picture.motion_val[0][mot_xy ][0]= mx;
699 s->current_picture.motion_val[0][mot_xy ][1]= my;
700 s->current_picture.motion_val[0][mot_xy+1][0]= mx;
701 s->current_picture.motion_val[0][mot_xy+1][1]= my;
706 * get fullpel ME search limits.
708 static inline void get_limits(MpegEncContext *s, int x, int y)
710 MotionEstContext * const c= &s->me;
711 int range= c->avctx->me_range >> (1 + !!(c->flags&FLAG_QPEL));
713 if(c->avctx->me_range) c->range= c->avctx->me_range >> 1;
714 else c->range= 16;
716 if (s->unrestricted_mv) {
717 c->xmin = - x - 16;
718 c->ymin = - y - 16;
719 c->xmax = - x + s->mb_width *16;
720 c->ymax = - y + s->mb_height*16;
721 } else if (s->out_format == FMT_H261){
722 // Search range of H261 is different from other codec standards
723 c->xmin = (x > 15) ? - 15 : 0;
724 c->ymin = (y > 15) ? - 15 : 0;
725 c->xmax = (x < s->mb_width * 16 - 16) ? 15 : 0;
726 c->ymax = (y < s->mb_height * 16 - 16) ? 15 : 0;
727 } else {
728 c->xmin = - x;
729 c->ymin = - y;
730 c->xmax = - x + s->mb_width *16 - 16;
731 c->ymax = - y + s->mb_height*16 - 16;
733 if(range){
734 c->xmin = FFMAX(c->xmin,-range);
735 c->xmax = FFMIN(c->xmax, range);
736 c->ymin = FFMAX(c->ymin,-range);
737 c->ymax = FFMIN(c->ymax, range);
741 static inline void init_mv4_ref(MotionEstContext *c){
742 const int stride= c->stride;
744 c->ref[1][0] = c->ref[0][0] + 8;
745 c->ref[2][0] = c->ref[0][0] + 8*stride;
746 c->ref[3][0] = c->ref[2][0] + 8;
747 c->src[1][0] = c->src[0][0] + 8;
748 c->src[2][0] = c->src[0][0] + 8*stride;
749 c->src[3][0] = c->src[2][0] + 8;
752 static inline int h263_mv4_search(MpegEncContext *s, int mx, int my, int shift)
754 MotionEstContext * const c= &s->me;
755 const int size= 1;
756 const int h=8;
757 int block;
758 int P[10][2];
759 int dmin_sum=0, mx4_sum=0, my4_sum=0;
760 int same=1;
761 const int stride= c->stride;
762 uint8_t *mv_penalty= c->current_mv_penalty;
764 init_mv4_ref(c);
766 for(block=0; block<4; block++){
767 int mx4, my4;
768 int pred_x4, pred_y4;
769 int dmin4;
770 static const int off[4]= {2, 1, 1, -1};
771 const int mot_stride = s->b8_stride;
772 const int mot_xy = s->block_index[block];
774 P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0];
775 P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1];
777 if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift);
779 /* special case for first line */
780 if (s->first_slice_line && block<2) {
781 c->pred_x= pred_x4= P_LEFT[0];
782 c->pred_y= pred_y4= P_LEFT[1];
783 } else {
784 P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0];
785 P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1];
786 P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][0];
787 P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][1];
788 if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift);
789 if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
790 if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift);
791 if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
793 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
794 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
796 c->pred_x= pred_x4 = P_MEDIAN[0];
797 c->pred_y= pred_y4 = P_MEDIAN[1];
799 P_MV1[0]= mx;
800 P_MV1[1]= my;
802 dmin4 = epzs_motion_search4(s, &mx4, &my4, P, block, block, s->p_mv_table, (1<<16)>>shift);
804 dmin4= c->sub_motion_search(s, &mx4, &my4, dmin4, block, block, size, h);
806 if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
807 int dxy;
808 const int offset= ((block&1) + (block>>1)*stride)*8;
809 uint8_t *dest_y = c->scratchpad + offset;
810 if(s->quarter_sample){
811 uint8_t *ref= c->ref[block][0] + (mx4>>2) + (my4>>2)*stride;
812 dxy = ((my4 & 3) << 2) | (mx4 & 3);
814 if(s->no_rounding)
815 s->dsp.put_no_rnd_qpel_pixels_tab[1][dxy](dest_y , ref , stride);
816 else
817 s->dsp.put_qpel_pixels_tab [1][dxy](dest_y , ref , stride);
818 }else{
819 uint8_t *ref= c->ref[block][0] + (mx4>>1) + (my4>>1)*stride;
820 dxy = ((my4 & 1) << 1) | (mx4 & 1);
822 if(s->no_rounding)
823 s->dsp.put_no_rnd_pixels_tab[1][dxy](dest_y , ref , stride, h);
824 else
825 s->dsp.put_pixels_tab [1][dxy](dest_y , ref , stride, h);
827 dmin_sum+= (mv_penalty[mx4-pred_x4] + mv_penalty[my4-pred_y4])*c->mb_penalty_factor;
828 }else
829 dmin_sum+= dmin4;
831 if(s->quarter_sample){
832 mx4_sum+= mx4/2;
833 my4_sum+= my4/2;
834 }else{
835 mx4_sum+= mx4;
836 my4_sum+= my4;
839 s->current_picture.motion_val[0][ s->block_index[block] ][0]= mx4;
840 s->current_picture.motion_val[0][ s->block_index[block] ][1]= my4;
842 if(mx4 != mx || my4 != my) same=0;
845 if(same)
846 return INT_MAX;
848 if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
849 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);
852 if(c->avctx->mb_cmp&FF_CMP_CHROMA){
853 int dxy;
854 int mx, my;
855 int offset;
857 mx= ff_h263_round_chroma(mx4_sum);
858 my= ff_h263_round_chroma(my4_sum);
859 dxy = ((my & 1) << 1) | (mx & 1);
861 offset= (s->mb_x*8 + (mx>>1)) + (s->mb_y*8 + (my>>1))*s->uvlinesize;
863 if(s->no_rounding){
864 s->dsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad , s->last_picture.data[1] + offset, s->uvlinesize, 8);
865 s->dsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad+8 , s->last_picture.data[2] + offset, s->uvlinesize, 8);
866 }else{
867 s->dsp.put_pixels_tab [1][dxy](c->scratchpad , s->last_picture.data[1] + offset, s->uvlinesize, 8);
868 s->dsp.put_pixels_tab [1][dxy](c->scratchpad+8 , s->last_picture.data[2] + offset, s->uvlinesize, 8);
871 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);
872 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);
875 c->pred_x= mx;
876 c->pred_y= my;
878 switch(c->avctx->mb_cmp&0xFF){
879 /*case FF_CMP_SSE:
880 return dmin_sum+ 32*s->qscale*s->qscale;*/
881 case FF_CMP_RD:
882 return dmin_sum;
883 default:
884 return dmin_sum+ 11*c->mb_penalty_factor;
888 static inline void init_interlaced_ref(MpegEncContext *s, int ref_index){
889 MotionEstContext * const c= &s->me;
891 c->ref[1+ref_index][0] = c->ref[0+ref_index][0] + s->linesize;
892 c->src[1][0] = c->src[0][0] + s->linesize;
893 if(c->flags & FLAG_CHROMA){
894 c->ref[1+ref_index][1] = c->ref[0+ref_index][1] + s->uvlinesize;
895 c->ref[1+ref_index][2] = c->ref[0+ref_index][2] + s->uvlinesize;
896 c->src[1][1] = c->src[0][1] + s->uvlinesize;
897 c->src[1][2] = c->src[0][2] + s->uvlinesize;
901 static int interlaced_search(MpegEncContext *s, int ref_index,
902 int16_t (*mv_tables[2][2])[2], uint8_t *field_select_tables[2], int mx, int my, int user_field_select)
904 MotionEstContext * const c= &s->me;
905 const int size=0;
906 const int h=8;
907 int block;
908 int P[10][2];
909 uint8_t * const mv_penalty= c->current_mv_penalty;
910 int same=1;
911 const int stride= 2*s->linesize;
912 int dmin_sum= 0;
913 const int mot_stride= s->mb_stride;
914 const int xy= s->mb_x + s->mb_y*mot_stride;
916 c->ymin>>=1;
917 c->ymax>>=1;
918 c->stride<<=1;
919 c->uvstride<<=1;
920 init_interlaced_ref(s, ref_index);
922 for(block=0; block<2; block++){
923 int field_select;
924 int best_dmin= INT_MAX;
925 int best_field= -1;
927 for(field_select=0; field_select<2; field_select++){
928 int dmin, mx_i, my_i;
929 int16_t (*mv_table)[2]= mv_tables[block][field_select];
931 if(user_field_select){
932 assert(field_select==0 || field_select==1);
933 assert(field_select_tables[block][xy]==0 || field_select_tables[block][xy]==1);
934 if(field_select_tables[block][xy] != field_select)
935 continue;
938 P_LEFT[0] = mv_table[xy - 1][0];
939 P_LEFT[1] = mv_table[xy - 1][1];
940 if(P_LEFT[0] > (c->xmax<<1)) P_LEFT[0] = (c->xmax<<1);
942 c->pred_x= P_LEFT[0];
943 c->pred_y= P_LEFT[1];
945 if(!s->first_slice_line){
946 P_TOP[0] = mv_table[xy - mot_stride][0];
947 P_TOP[1] = mv_table[xy - mot_stride][1];
948 P_TOPRIGHT[0] = mv_table[xy - mot_stride + 1][0];
949 P_TOPRIGHT[1] = mv_table[xy - mot_stride + 1][1];
950 if(P_TOP[1] > (c->ymax<<1)) P_TOP[1] = (c->ymax<<1);
951 if(P_TOPRIGHT[0] < (c->xmin<<1)) P_TOPRIGHT[0]= (c->xmin<<1);
952 if(P_TOPRIGHT[0] > (c->xmax<<1)) P_TOPRIGHT[0]= (c->xmax<<1);
953 if(P_TOPRIGHT[1] > (c->ymax<<1)) P_TOPRIGHT[1]= (c->ymax<<1);
955 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
956 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
958 P_MV1[0]= mx; //FIXME not correct if block != field_select
959 P_MV1[1]= my / 2;
961 dmin = epzs_motion_search2(s, &mx_i, &my_i, P, block, field_select+ref_index, mv_table, (1<<16)>>1);
963 dmin= c->sub_motion_search(s, &mx_i, &my_i, dmin, block, field_select+ref_index, size, h);
965 mv_table[xy][0]= mx_i;
966 mv_table[xy][1]= my_i;
968 if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
969 int dxy;
971 //FIXME chroma ME
972 uint8_t *ref= c->ref[field_select+ref_index][0] + (mx_i>>1) + (my_i>>1)*stride;
973 dxy = ((my_i & 1) << 1) | (mx_i & 1);
975 if(s->no_rounding){
976 s->dsp.put_no_rnd_pixels_tab[size][dxy](c->scratchpad, ref , stride, h);
977 }else{
978 s->dsp.put_pixels_tab [size][dxy](c->scratchpad, ref , stride, h);
980 dmin= s->dsp.mb_cmp[size](s, c->src[block][0], c->scratchpad, stride, h);
981 dmin+= (mv_penalty[mx_i-c->pred_x] + mv_penalty[my_i-c->pred_y] + 1)*c->mb_penalty_factor;
982 }else
983 dmin+= c->mb_penalty_factor; //field_select bits
985 dmin += field_select != block; //slightly prefer same field
987 if(dmin < best_dmin){
988 best_dmin= dmin;
989 best_field= field_select;
993 int16_t (*mv_table)[2]= mv_tables[block][best_field];
995 if(mv_table[xy][0] != mx) same=0; //FIXME check if these checks work and are any good at all
996 if(mv_table[xy][1]&1) same=0;
997 if(mv_table[xy][1]*2 != my) same=0;
998 if(best_field != block) same=0;
1001 field_select_tables[block][xy]= best_field;
1002 dmin_sum += best_dmin;
1005 c->ymin<<=1;
1006 c->ymax<<=1;
1007 c->stride>>=1;
1008 c->uvstride>>=1;
1010 if(same)
1011 return INT_MAX;
1013 switch(c->avctx->mb_cmp&0xFF){
1014 /*case FF_CMP_SSE:
1015 return dmin_sum+ 32*s->qscale*s->qscale;*/
1016 case FF_CMP_RD:
1017 return dmin_sum;
1018 default:
1019 return dmin_sum+ 11*c->mb_penalty_factor;
1023 static void clip_input_mv(MpegEncContext * s, int16_t *mv, int interlaced){
1024 int ymax= s->me.ymax>>interlaced;
1025 int ymin= s->me.ymin>>interlaced;
1027 if(mv[0] < s->me.xmin) mv[0] = s->me.xmin;
1028 if(mv[0] > s->me.xmax) mv[0] = s->me.xmax;
1029 if(mv[1] < ymin) mv[1] = ymin;
1030 if(mv[1] > ymax) mv[1] = ymax;
1033 static inline int check_input_motion(MpegEncContext * s, int mb_x, int mb_y, int p_type){
1034 MotionEstContext * const c= &s->me;
1035 Picture *p= s->current_picture_ptr;
1036 int mb_xy= mb_x + mb_y*s->mb_stride;
1037 int xy= 2*mb_x + 2*mb_y*s->b8_stride;
1038 int mb_type= s->current_picture.mb_type[mb_xy];
1039 int flags= c->flags;
1040 int shift= (flags&FLAG_QPEL) + 1;
1041 int mask= (1<<shift)-1;
1042 int x, y, i;
1043 int d=0;
1044 me_cmp_func cmpf= s->dsp.sse[0];
1045 me_cmp_func chroma_cmpf= s->dsp.sse[1];
1047 if(p_type && USES_LIST(mb_type, 1)){
1048 av_log(c->avctx, AV_LOG_ERROR, "backward motion vector in P frame\n");
1049 return INT_MAX/2;
1051 assert(IS_INTRA(mb_type) || USES_LIST(mb_type,0) || USES_LIST(mb_type,1));
1053 for(i=0; i<4; i++){
1054 int xy= s->block_index[i];
1055 clip_input_mv(s, p->motion_val[0][xy], !!IS_INTERLACED(mb_type));
1056 clip_input_mv(s, p->motion_val[1][xy], !!IS_INTERLACED(mb_type));
1059 if(IS_INTERLACED(mb_type)){
1060 int xy2= xy + s->b8_stride;
1061 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTRA;
1062 c->stride<<=1;
1063 c->uvstride<<=1;
1065 if(!(s->flags & CODEC_FLAG_INTERLACED_ME)){
1066 av_log(c->avctx, AV_LOG_ERROR, "Interlaced macroblock selected but interlaced motion estimation disabled\n");
1067 return INT_MAX/2;
1070 if(USES_LIST(mb_type, 0)){
1071 int field_select0= p->ref_index[0][xy ];
1072 int field_select1= p->ref_index[0][xy2];
1073 assert(field_select0==0 ||field_select0==1);
1074 assert(field_select1==0 ||field_select1==1);
1075 init_interlaced_ref(s, 0);
1077 if(p_type){
1078 s->p_field_select_table[0][mb_xy]= field_select0;
1079 s->p_field_select_table[1][mb_xy]= field_select1;
1080 *(uint32_t*)s->p_field_mv_table[0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[0][xy ];
1081 *(uint32_t*)s->p_field_mv_table[1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[0][xy2];
1082 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER_I;
1083 }else{
1084 s->b_field_select_table[0][0][mb_xy]= field_select0;
1085 s->b_field_select_table[0][1][mb_xy]= field_select1;
1086 *(uint32_t*)s->b_field_mv_table[0][0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[0][xy ];
1087 *(uint32_t*)s->b_field_mv_table[0][1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[0][xy2];
1088 s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_FORWARD_I;
1091 x= p->motion_val[0][xy ][0];
1092 y= p->motion_val[0][xy ][1];
1093 d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select0, 0, cmpf, chroma_cmpf, flags);
1094 x= p->motion_val[0][xy2][0];
1095 y= p->motion_val[0][xy2][1];
1096 d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select1, 1, cmpf, chroma_cmpf, flags);
1098 if(USES_LIST(mb_type, 1)){
1099 int field_select0= p->ref_index[1][xy ];
1100 int field_select1= p->ref_index[1][xy2];
1101 assert(field_select0==0 ||field_select0==1);
1102 assert(field_select1==0 ||field_select1==1);
1103 init_interlaced_ref(s, 2);
1105 s->b_field_select_table[1][0][mb_xy]= field_select0;
1106 s->b_field_select_table[1][1][mb_xy]= field_select1;
1107 *(uint32_t*)s->b_field_mv_table[1][0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[1][xy ];
1108 *(uint32_t*)s->b_field_mv_table[1][1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[1][xy2];
1109 if(USES_LIST(mb_type, 0)){
1110 s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_BIDIR_I;
1111 }else{
1112 s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_BACKWARD_I;
1115 x= p->motion_val[1][xy ][0];
1116 y= p->motion_val[1][xy ][1];
1117 d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select0+2, 0, cmpf, chroma_cmpf, flags);
1118 x= p->motion_val[1][xy2][0];
1119 y= p->motion_val[1][xy2][1];
1120 d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select1+2, 1, cmpf, chroma_cmpf, flags);
1121 //FIXME bidir scores
1123 c->stride>>=1;
1124 c->uvstride>>=1;
1125 }else if(IS_8X8(mb_type)){
1126 if(!(s->flags & CODEC_FLAG_4MV)){
1127 av_log(c->avctx, AV_LOG_ERROR, "4MV macroblock selected but 4MV encoding disabled\n");
1128 return INT_MAX/2;
1130 cmpf= s->dsp.sse[1];
1131 chroma_cmpf= s->dsp.sse[1];
1132 init_mv4_ref(c);
1133 for(i=0; i<4; i++){
1134 xy= s->block_index[i];
1135 x= p->motion_val[0][xy][0];
1136 y= p->motion_val[0][xy][1];
1137 d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 1, 8, i, i, cmpf, chroma_cmpf, flags);
1139 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER4V;
1140 }else{
1141 if(USES_LIST(mb_type, 0)){
1142 if(p_type){
1143 *(uint32_t*)s->p_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy];
1144 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER;
1145 }else if(USES_LIST(mb_type, 1)){
1146 *(uint32_t*)s->b_bidir_forw_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy];
1147 *(uint32_t*)s->b_bidir_back_mv_table[mb_xy]= *(uint32_t*)p->motion_val[1][xy];
1148 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_BIDIR;
1149 }else{
1150 *(uint32_t*)s->b_forw_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy];
1151 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_FORWARD;
1153 x= p->motion_val[0][xy][0];
1154 y= p->motion_val[0][xy][1];
1155 d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 16, 0, 0, cmpf, chroma_cmpf, flags);
1156 }else if(USES_LIST(mb_type, 1)){
1157 *(uint32_t*)s->b_back_mv_table[mb_xy]= *(uint32_t*)p->motion_val[1][xy];
1158 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_BACKWARD;
1160 x= p->motion_val[1][xy][0];
1161 y= p->motion_val[1][xy][1];
1162 d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 16, 2, 0, cmpf, chroma_cmpf, flags);
1163 }else
1164 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTRA;
1166 return d;
1169 void ff_estimate_p_frame_motion(MpegEncContext * s,
1170 int mb_x, int mb_y)
1172 MotionEstContext * const c= &s->me;
1173 uint8_t *pix, *ppix;
1174 int sum, mx, my, dmin;
1175 int varc; ///< the variance of the block (sum of squared (p[y][x]-average))
1176 int vard; ///< sum of squared differences with the estimated motion vector
1177 int P[10][2];
1178 const int shift= 1+s->quarter_sample;
1179 int mb_type=0;
1180 Picture * const pic= &s->current_picture;
1182 init_ref(c, s->new_picture.data, s->last_picture.data, NULL, 16*mb_x, 16*mb_y, 0);
1184 assert(s->quarter_sample==0 || s->quarter_sample==1);
1185 assert(s->linesize == c->stride);
1186 assert(s->uvlinesize == c->uvstride);
1188 c->penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp);
1189 c->sub_penalty_factor= get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_sub_cmp);
1190 c->mb_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->mb_cmp);
1191 c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
1193 get_limits(s, 16*mb_x, 16*mb_y);
1194 c->skip=0;
1196 /* intra / predictive decision */
1197 pix = c->src[0][0];
1198 sum = s->dsp.pix_sum(pix, s->linesize);
1199 varc = s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500;
1201 pic->mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
1202 pic->mb_var [s->mb_stride * mb_y + mb_x] = (varc+128)>>8;
1203 c->mb_var_sum_temp += (varc+128)>>8;
1205 if(c->avctx->me_threshold){
1206 vard= check_input_motion(s, mb_x, mb_y, 1);
1208 if((vard+128)>>8 < c->avctx->me_threshold){
1209 int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100);
1210 int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20;
1211 pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = (vard+128)>>8;
1212 c->mc_mb_var_sum_temp += (vard+128)>>8;
1213 c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score);
1214 return;
1216 if((vard+128)>>8 < c->avctx->mb_threshold)
1217 mb_type= s->mb_type[mb_x + mb_y*s->mb_stride];
1220 switch(s->me_method) {
1221 case ME_ZERO:
1222 default:
1223 no_motion_search(s, &mx, &my);
1224 mx-= mb_x*16;
1225 my-= mb_y*16;
1226 dmin = 0;
1227 break;
1228 #if 0
1229 case ME_FULL:
1230 dmin = full_motion_search(s, &mx, &my, range, ref_picture);
1231 mx-= mb_x*16;
1232 my-= mb_y*16;
1233 break;
1234 case ME_LOG:
1235 dmin = log_motion_search(s, &mx, &my, range / 2, ref_picture);
1236 mx-= mb_x*16;
1237 my-= mb_y*16;
1238 break;
1239 case ME_PHODS:
1240 dmin = phods_motion_search(s, &mx, &my, range / 2, ref_picture);
1241 mx-= mb_x*16;
1242 my-= mb_y*16;
1243 break;
1244 #endif
1245 case ME_X1:
1246 case ME_EPZS:
1248 const int mot_stride = s->b8_stride;
1249 const int mot_xy = s->block_index[0];
1251 P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0];
1252 P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1];
1254 if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift);
1256 if(!s->first_slice_line) {
1257 P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0];
1258 P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1];
1259 P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][0];
1260 P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][1];
1261 if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift);
1262 if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
1263 if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
1265 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1266 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1268 if(s->out_format == FMT_H263){
1269 c->pred_x = P_MEDIAN[0];
1270 c->pred_y = P_MEDIAN[1];
1271 }else { /* mpeg1 at least */
1272 c->pred_x= P_LEFT[0];
1273 c->pred_y= P_LEFT[1];
1275 }else{
1276 c->pred_x= P_LEFT[0];
1277 c->pred_y= P_LEFT[1];
1281 dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift, 0, 16);
1283 break;
1286 /* At this point (mx,my) are full-pell and the relative displacement */
1287 ppix = c->ref[0][0] + (my * s->linesize) + mx;
1289 vard = s->dsp.sse[0](NULL, pix, ppix, s->linesize, 16);
1291 pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = (vard+128)>>8;
1292 // pic->mb_cmp_score[s->mb_stride * mb_y + mb_x] = dmin;
1293 c->mc_mb_var_sum_temp += (vard+128)>>8;
1295 #if 0
1296 printf("varc=%4d avg_var=%4d (sum=%4d) vard=%4d mx=%2d my=%2d\n",
1297 varc, s->avg_mb_var, sum, vard, mx - xx, my - yy);
1298 #endif
1299 if(mb_type){
1300 int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100);
1301 int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20;
1302 c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score);
1304 if(mb_type == CANDIDATE_MB_TYPE_INTER){
1305 c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1306 set_p_mv_tables(s, mx, my, 1);
1307 }else{
1308 mx <<=shift;
1309 my <<=shift;
1311 if(mb_type == CANDIDATE_MB_TYPE_INTER4V){
1312 h263_mv4_search(s, mx, my, shift);
1314 set_p_mv_tables(s, mx, my, 0);
1316 if(mb_type == CANDIDATE_MB_TYPE_INTER_I){
1317 interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 1);
1319 }else if(c->avctx->mb_decision > FF_MB_DECISION_SIMPLE){
1320 int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100);
1321 int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20;
1322 c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score);
1324 if (vard*2 + 200*256 > varc)
1325 mb_type|= CANDIDATE_MB_TYPE_INTRA;
1326 if (varc*2 + 200*256 > vard || s->qscale > 24){
1327 // if (varc*2 + 200*256 + 50*(s->lambda2>>FF_LAMBDA_SHIFT) > vard){
1328 mb_type|= CANDIDATE_MB_TYPE_INTER;
1329 c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1330 if(s->flags&CODEC_FLAG_MV0)
1331 if(mx || my)
1332 mb_type |= CANDIDATE_MB_TYPE_SKIPPED; //FIXME check difference
1333 }else{
1334 mx <<=shift;
1335 my <<=shift;
1337 if((s->flags&CODEC_FLAG_4MV)
1338 && !c->skip && varc>50<<8 && vard>10<<8){
1339 if(h263_mv4_search(s, mx, my, shift) < INT_MAX)
1340 mb_type|=CANDIDATE_MB_TYPE_INTER4V;
1342 set_p_mv_tables(s, mx, my, 0);
1343 }else
1344 set_p_mv_tables(s, mx, my, 1);
1345 if((s->flags&CODEC_FLAG_INTERLACED_ME)
1346 && !c->skip){ //FIXME varc/d checks
1347 if(interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0) < INT_MAX)
1348 mb_type |= CANDIDATE_MB_TYPE_INTER_I;
1350 }else{
1351 int intra_score, i;
1352 mb_type= CANDIDATE_MB_TYPE_INTER;
1354 dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1355 if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
1356 dmin= ff_get_mb_score(s, mx, my, 0, 0, 0, 16, 1);
1358 if((s->flags&CODEC_FLAG_4MV)
1359 && !c->skip && varc>50<<8 && vard>10<<8){
1360 int dmin4= h263_mv4_search(s, mx, my, shift);
1361 if(dmin4 < dmin){
1362 mb_type= CANDIDATE_MB_TYPE_INTER4V;
1363 dmin=dmin4;
1366 if((s->flags&CODEC_FLAG_INTERLACED_ME)
1367 && !c->skip){ //FIXME varc/d checks
1368 int dmin_i= interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0);
1369 if(dmin_i < dmin){
1370 mb_type = CANDIDATE_MB_TYPE_INTER_I;
1371 dmin= dmin_i;
1375 // pic->mb_cmp_score[s->mb_stride * mb_y + mb_x] = dmin;
1376 set_p_mv_tables(s, mx, my, mb_type!=CANDIDATE_MB_TYPE_INTER4V);
1378 /* get intra luma score */
1379 if((c->avctx->mb_cmp&0xFF)==FF_CMP_SSE){
1380 intra_score= varc - 500;
1381 }else{
1382 int mean= (sum+128)>>8;
1383 mean*= 0x01010101;
1385 for(i=0; i<16; i++){
1386 *(uint32_t*)(&c->scratchpad[i*s->linesize+ 0]) = mean;
1387 *(uint32_t*)(&c->scratchpad[i*s->linesize+ 4]) = mean;
1388 *(uint32_t*)(&c->scratchpad[i*s->linesize+ 8]) = mean;
1389 *(uint32_t*)(&c->scratchpad[i*s->linesize+12]) = mean;
1392 intra_score= s->dsp.mb_cmp[0](s, c->scratchpad, pix, s->linesize, 16);
1394 #if 0 //FIXME
1395 /* get chroma score */
1396 if(c->avctx->mb_cmp&FF_CMP_CHROMA){
1397 for(i=1; i<3; i++){
1398 uint8_t *dest_c;
1399 int mean;
1401 if(s->out_format == FMT_H263){
1402 mean= (s->dc_val[i][mb_x + mb_y*s->b8_stride] + 4)>>3; //FIXME not exact but simple ;)
1403 }else{
1404 mean= (s->last_dc[i] + 4)>>3;
1406 dest_c = s->new_picture.data[i] + (mb_y * 8 * (s->uvlinesize)) + mb_x * 8;
1408 mean*= 0x01010101;
1409 for(i=0; i<8; i++){
1410 *(uint32_t*)(&c->scratchpad[i*s->uvlinesize+ 0]) = mean;
1411 *(uint32_t*)(&c->scratchpad[i*s->uvlinesize+ 4]) = mean;
1414 intra_score+= s->dsp.mb_cmp[1](s, c->scratchpad, dest_c, s->uvlinesize);
1417 #endif
1418 intra_score += c->mb_penalty_factor*16;
1420 if(intra_score < dmin){
1421 mb_type= CANDIDATE_MB_TYPE_INTRA;
1422 s->current_picture.mb_type[mb_y*s->mb_stride + mb_x]= CANDIDATE_MB_TYPE_INTRA; //FIXME cleanup
1423 }else
1424 s->current_picture.mb_type[mb_y*s->mb_stride + mb_x]= 0;
1427 int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100);
1428 int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20;
1429 c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score);
1433 s->mb_type[mb_y*s->mb_stride + mb_x]= mb_type;
1436 int ff_pre_estimate_p_frame_motion(MpegEncContext * s,
1437 int mb_x, int mb_y)
1439 MotionEstContext * const c= &s->me;
1440 int mx, my, dmin;
1441 int P[10][2];
1442 const int shift= 1+s->quarter_sample;
1443 const int xy= mb_x + mb_y*s->mb_stride;
1444 init_ref(c, s->new_picture.data, s->last_picture.data, NULL, 16*mb_x, 16*mb_y, 0);
1446 assert(s->quarter_sample==0 || s->quarter_sample==1);
1448 c->pre_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_pre_cmp);
1449 c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
1451 get_limits(s, 16*mb_x, 16*mb_y);
1452 c->skip=0;
1454 P_LEFT[0] = s->p_mv_table[xy + 1][0];
1455 P_LEFT[1] = s->p_mv_table[xy + 1][1];
1457 if(P_LEFT[0] < (c->xmin<<shift)) P_LEFT[0] = (c->xmin<<shift);
1459 /* special case for first line */
1460 if (s->first_slice_line) {
1461 c->pred_x= P_LEFT[0];
1462 c->pred_y= P_LEFT[1];
1463 P_TOP[0]= P_TOPRIGHT[0]= P_MEDIAN[0]=
1464 P_TOP[1]= P_TOPRIGHT[1]= P_MEDIAN[1]= 0; //FIXME
1465 } else {
1466 P_TOP[0] = s->p_mv_table[xy + s->mb_stride ][0];
1467 P_TOP[1] = s->p_mv_table[xy + s->mb_stride ][1];
1468 P_TOPRIGHT[0] = s->p_mv_table[xy + s->mb_stride - 1][0];
1469 P_TOPRIGHT[1] = s->p_mv_table[xy + s->mb_stride - 1][1];
1470 if(P_TOP[1] < (c->ymin<<shift)) P_TOP[1] = (c->ymin<<shift);
1471 if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift);
1472 if(P_TOPRIGHT[1] < (c->ymin<<shift)) P_TOPRIGHT[1]= (c->ymin<<shift);
1474 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1475 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1477 c->pred_x = P_MEDIAN[0];
1478 c->pred_y = P_MEDIAN[1];
1481 dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift, 0, 16);
1483 s->p_mv_table[xy][0] = mx<<shift;
1484 s->p_mv_table[xy][1] = my<<shift;
1486 return dmin;
1489 static int ff_estimate_motion_b(MpegEncContext * s,
1490 int mb_x, int mb_y, int16_t (*mv_table)[2], int ref_index, int f_code)
1492 MotionEstContext * const c= &s->me;
1493 int mx, my, dmin;
1494 int P[10][2];
1495 const int shift= 1+s->quarter_sample;
1496 const int mot_stride = s->mb_stride;
1497 const int mot_xy = mb_y*mot_stride + mb_x;
1498 uint8_t * const mv_penalty= c->mv_penalty[f_code] + MAX_MV;
1499 int mv_scale;
1501 c->penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp);
1502 c->sub_penalty_factor= get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_sub_cmp);
1503 c->mb_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->mb_cmp);
1504 c->current_mv_penalty= mv_penalty;
1506 get_limits(s, 16*mb_x, 16*mb_y);
1508 switch(s->me_method) {
1509 case ME_ZERO:
1510 default:
1511 no_motion_search(s, &mx, &my);
1512 dmin = 0;
1513 mx-= mb_x*16;
1514 my-= mb_y*16;
1515 break;
1516 #if 0
1517 case ME_FULL:
1518 dmin = full_motion_search(s, &mx, &my, range, ref_picture);
1519 mx-= mb_x*16;
1520 my-= mb_y*16;
1521 break;
1522 case ME_LOG:
1523 dmin = log_motion_search(s, &mx, &my, range / 2, ref_picture);
1524 mx-= mb_x*16;
1525 my-= mb_y*16;
1526 break;
1527 case ME_PHODS:
1528 dmin = phods_motion_search(s, &mx, &my, range / 2, ref_picture);
1529 mx-= mb_x*16;
1530 my-= mb_y*16;
1531 break;
1532 #endif
1533 case ME_X1:
1534 case ME_EPZS:
1536 P_LEFT[0] = mv_table[mot_xy - 1][0];
1537 P_LEFT[1] = mv_table[mot_xy - 1][1];
1539 if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift);
1541 /* special case for first line */
1542 if (!s->first_slice_line) {
1543 P_TOP[0] = mv_table[mot_xy - mot_stride ][0];
1544 P_TOP[1] = mv_table[mot_xy - mot_stride ][1];
1545 P_TOPRIGHT[0] = mv_table[mot_xy - mot_stride + 1 ][0];
1546 P_TOPRIGHT[1] = mv_table[mot_xy - mot_stride + 1 ][1];
1547 if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1]= (c->ymax<<shift);
1548 if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
1549 if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
1551 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1552 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1554 c->pred_x= P_LEFT[0];
1555 c->pred_y= P_LEFT[1];
1558 if(mv_table == s->b_forw_mv_table){
1559 mv_scale= (s->pb_time<<16) / (s->pp_time<<shift);
1560 }else{
1561 mv_scale= ((s->pb_time - s->pp_time)<<16) / (s->pp_time<<shift);
1564 dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, ref_index, s->p_mv_table, mv_scale, 0, 16);
1566 break;
1569 dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, ref_index, 0, 16);
1571 if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
1572 dmin= ff_get_mb_score(s, mx, my, 0, ref_index, 0, 16, 1);
1574 //printf("%d %d %d %d//", s->mb_x, s->mb_y, mx, my);
1575 // s->mb_type[mb_y*s->mb_width + mb_x]= mb_type;
1576 mv_table[mot_xy][0]= mx;
1577 mv_table[mot_xy][1]= my;
1579 return dmin;
1582 static inline int check_bidir_mv(MpegEncContext * s,
1583 int motion_fx, int motion_fy,
1584 int motion_bx, int motion_by,
1585 int pred_fx, int pred_fy,
1586 int pred_bx, int pred_by,
1587 int size, int h)
1589 //FIXME optimize?
1590 //FIXME better f_code prediction (max mv & distance)
1591 //FIXME pointers
1592 MotionEstContext * const c= &s->me;
1593 uint8_t * const mv_penalty_f= c->mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame
1594 uint8_t * const mv_penalty_b= c->mv_penalty[s->b_code] + MAX_MV; // f_code of the prev frame
1595 int stride= c->stride;
1596 uint8_t *dest_y = c->scratchpad;
1597 uint8_t *ptr;
1598 int dxy;
1599 int src_x, src_y;
1600 int fbmin;
1601 uint8_t **src_data= c->src[0];
1602 uint8_t **ref_data= c->ref[0];
1603 uint8_t **ref2_data= c->ref[2];
1605 if(s->quarter_sample){
1606 dxy = ((motion_fy & 3) << 2) | (motion_fx & 3);
1607 src_x = motion_fx >> 2;
1608 src_y = motion_fy >> 2;
1610 ptr = ref_data[0] + (src_y * stride) + src_x;
1611 s->dsp.put_qpel_pixels_tab[0][dxy](dest_y , ptr , stride);
1613 dxy = ((motion_by & 3) << 2) | (motion_bx & 3);
1614 src_x = motion_bx >> 2;
1615 src_y = motion_by >> 2;
1617 ptr = ref2_data[0] + (src_y * stride) + src_x;
1618 s->dsp.avg_qpel_pixels_tab[size][dxy](dest_y , ptr , stride);
1619 }else{
1620 dxy = ((motion_fy & 1) << 1) | (motion_fx & 1);
1621 src_x = motion_fx >> 1;
1622 src_y = motion_fy >> 1;
1624 ptr = ref_data[0] + (src_y * stride) + src_x;
1625 s->dsp.put_pixels_tab[size][dxy](dest_y , ptr , stride, h);
1627 dxy = ((motion_by & 1) << 1) | (motion_bx & 1);
1628 src_x = motion_bx >> 1;
1629 src_y = motion_by >> 1;
1631 ptr = ref2_data[0] + (src_y * stride) + src_x;
1632 s->dsp.avg_pixels_tab[size][dxy](dest_y , ptr , stride, h);
1635 fbmin = (mv_penalty_f[motion_fx-pred_fx] + mv_penalty_f[motion_fy-pred_fy])*c->mb_penalty_factor
1636 +(mv_penalty_b[motion_bx-pred_bx] + mv_penalty_b[motion_by-pred_by])*c->mb_penalty_factor
1637 + s->dsp.mb_cmp[size](s, src_data[0], dest_y, stride, h); //FIXME new_pic
1639 if(c->avctx->mb_cmp&FF_CMP_CHROMA){
1641 //FIXME CHROMA !!!
1643 return fbmin;
1646 /* refine the bidir vectors in hq mode and return the score in both lq & hq mode*/
1647 static inline int bidir_refine(MpegEncContext * s, int mb_x, int mb_y)
1649 MotionEstContext * const c= &s->me;
1650 const int mot_stride = s->mb_stride;
1651 const int xy = mb_y *mot_stride + mb_x;
1652 int fbmin;
1653 int pred_fx= s->b_bidir_forw_mv_table[xy-1][0];
1654 int pred_fy= s->b_bidir_forw_mv_table[xy-1][1];
1655 int pred_bx= s->b_bidir_back_mv_table[xy-1][0];
1656 int pred_by= s->b_bidir_back_mv_table[xy-1][1];
1657 int motion_fx= s->b_bidir_forw_mv_table[xy][0]= s->b_forw_mv_table[xy][0];
1658 int motion_fy= s->b_bidir_forw_mv_table[xy][1]= s->b_forw_mv_table[xy][1];
1659 int motion_bx= s->b_bidir_back_mv_table[xy][0]= s->b_back_mv_table[xy][0];
1660 int motion_by= s->b_bidir_back_mv_table[xy][1]= s->b_back_mv_table[xy][1];
1661 const int flags= c->sub_flags;
1662 const int qpel= flags&FLAG_QPEL;
1663 const int shift= 1+qpel;
1664 const int xmin= c->xmin<<shift;
1665 const int ymin= c->ymin<<shift;
1666 const int xmax= c->xmax<<shift;
1667 const int ymax= c->ymax<<shift;
1668 uint8_t map[8][8][8][8];
1670 memset(map,0,sizeof(map));
1671 #define BIDIR_MAP(fx,fy,bx,by) \
1672 map[(motion_fx+fx)&7][(motion_fy+fy)&7][(motion_bx+bx)&7][(motion_by+by)&7]
1673 BIDIR_MAP(0,0,0,0) = 1;
1675 fbmin= check_bidir_mv(s, motion_fx, motion_fy,
1676 motion_bx, motion_by,
1677 pred_fx, pred_fy,
1678 pred_bx, pred_by,
1679 0, 16);
1681 if(s->avctx->bidir_refine){
1682 int score, end;
1683 #define CHECK_BIDIR(fx,fy,bx,by)\
1684 if( !BIDIR_MAP(fx,fy,bx,by)\
1685 &&(fx<=0 || motion_fx+fx<=xmax) && (fy<=0 || motion_fy+fy<=ymax) && (bx<=0 || motion_bx+bx<=xmax) && (by<=0 || motion_by+by<=ymax)\
1686 &&(fx>=0 || motion_fx+fx>=xmin) && (fy>=0 || motion_fy+fy>=ymin) && (bx>=0 || motion_bx+bx>=xmin) && (by>=0 || motion_by+by>=ymin)){\
1687 BIDIR_MAP(fx,fy,bx,by) = 1;\
1688 score= check_bidir_mv(s, motion_fx+fx, motion_fy+fy, motion_bx+bx, motion_by+by, pred_fx, pred_fy, pred_bx, pred_by, 0, 16);\
1689 if(score < fbmin){\
1690 fbmin= score;\
1691 motion_fx+=fx;\
1692 motion_fy+=fy;\
1693 motion_bx+=bx;\
1694 motion_by+=by;\
1695 end=0;\
1698 #define CHECK_BIDIR2(a,b,c,d)\
1699 CHECK_BIDIR(a,b,c,d)\
1700 CHECK_BIDIR(-(a),-(b),-(c),-(d))
1702 #define CHECK_BIDIRR(a,b,c,d)\
1703 CHECK_BIDIR2(a,b,c,d)\
1704 CHECK_BIDIR2(b,c,d,a)\
1705 CHECK_BIDIR2(c,d,a,b)\
1706 CHECK_BIDIR2(d,a,b,c)
1709 end=1;
1711 CHECK_BIDIRR( 0, 0, 0, 1)
1712 if(s->avctx->bidir_refine > 1){
1713 CHECK_BIDIRR( 0, 0, 1, 1)
1714 CHECK_BIDIR2( 0, 1, 0, 1)
1715 CHECK_BIDIR2( 1, 0, 1, 0)
1716 CHECK_BIDIRR( 0, 0,-1, 1)
1717 CHECK_BIDIR2( 0,-1, 0, 1)
1718 CHECK_BIDIR2(-1, 0, 1, 0)
1719 if(s->avctx->bidir_refine > 2){
1720 CHECK_BIDIRR( 0, 1, 1, 1)
1721 CHECK_BIDIRR( 0,-1, 1, 1)
1722 CHECK_BIDIRR( 0, 1,-1, 1)
1723 CHECK_BIDIRR( 0, 1, 1,-1)
1724 if(s->avctx->bidir_refine > 3){
1725 CHECK_BIDIR2( 1, 1, 1, 1)
1726 CHECK_BIDIRR( 1, 1, 1,-1)
1727 CHECK_BIDIR2( 1, 1,-1,-1)
1728 CHECK_BIDIR2( 1,-1,-1, 1)
1729 CHECK_BIDIR2( 1,-1, 1,-1)
1733 }while(!end);
1736 s->b_bidir_forw_mv_table[xy][0]= motion_fx;
1737 s->b_bidir_forw_mv_table[xy][1]= motion_fy;
1738 s->b_bidir_back_mv_table[xy][0]= motion_bx;
1739 s->b_bidir_back_mv_table[xy][1]= motion_by;
1741 return fbmin;
1744 static inline int direct_search(MpegEncContext * s, int mb_x, int mb_y)
1746 MotionEstContext * const c= &s->me;
1747 int P[10][2];
1748 const int mot_stride = s->mb_stride;
1749 const int mot_xy = mb_y*mot_stride + mb_x;
1750 const int shift= 1+s->quarter_sample;
1751 int dmin, i;
1752 const int time_pp= s->pp_time;
1753 const int time_pb= s->pb_time;
1754 int mx, my, xmin, xmax, ymin, ymax;
1755 int16_t (*mv_table)[2]= s->b_direct_mv_table;
1757 c->current_mv_penalty= c->mv_penalty[1] + MAX_MV;
1758 ymin= xmin=(-32)>>shift;
1759 ymax= xmax= 31>>shift;
1761 if(IS_8X8(s->next_picture.mb_type[mot_xy])){
1762 s->mv_type= MV_TYPE_8X8;
1763 }else{
1764 s->mv_type= MV_TYPE_16X16;
1767 for(i=0; i<4; i++){
1768 int index= s->block_index[i];
1769 int min, max;
1771 c->co_located_mv[i][0]= s->next_picture.motion_val[0][index][0];
1772 c->co_located_mv[i][1]= s->next_picture.motion_val[0][index][1];
1773 c->direct_basis_mv[i][0]= c->co_located_mv[i][0]*time_pb/time_pp + ((i& 1)<<(shift+3));
1774 c->direct_basis_mv[i][1]= c->co_located_mv[i][1]*time_pb/time_pp + ((i>>1)<<(shift+3));
1775 // c->direct_basis_mv[1][i][0]= c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(shift+3);
1776 // c->direct_basis_mv[1][i][1]= c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(shift+3);
1778 max= FFMAX(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->co_located_mv[i][0])>>shift;
1779 min= FFMIN(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->co_located_mv[i][0])>>shift;
1780 max+= 16*mb_x + 1; // +-1 is for the simpler rounding
1781 min+= 16*mb_x - 1;
1782 xmax= FFMIN(xmax, s->width - max);
1783 xmin= FFMAX(xmin, - 16 - min);
1785 max= FFMAX(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->co_located_mv[i][1])>>shift;
1786 min= FFMIN(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->co_located_mv[i][1])>>shift;
1787 max+= 16*mb_y + 1; // +-1 is for the simpler rounding
1788 min+= 16*mb_y - 1;
1789 ymax= FFMIN(ymax, s->height - max);
1790 ymin= FFMAX(ymin, - 16 - min);
1792 if(s->mv_type == MV_TYPE_16X16) break;
1795 assert(xmax <= 15 && ymax <= 15 && xmin >= -16 && ymin >= -16);
1797 if(xmax < 0 || xmin >0 || ymax < 0 || ymin > 0){
1798 s->b_direct_mv_table[mot_xy][0]= 0;
1799 s->b_direct_mv_table[mot_xy][1]= 0;
1801 return 256*256*256*64;
1804 c->xmin= xmin;
1805 c->ymin= ymin;
1806 c->xmax= xmax;
1807 c->ymax= ymax;
1808 c->flags |= FLAG_DIRECT;
1809 c->sub_flags |= FLAG_DIRECT;
1810 c->pred_x=0;
1811 c->pred_y=0;
1813 P_LEFT[0] = av_clip(mv_table[mot_xy - 1][0], xmin<<shift, xmax<<shift);
1814 P_LEFT[1] = av_clip(mv_table[mot_xy - 1][1], ymin<<shift, ymax<<shift);
1816 /* special case for first line */
1817 if (!s->first_slice_line) { //FIXME maybe allow this over thread boundary as it is clipped
1818 P_TOP[0] = av_clip(mv_table[mot_xy - mot_stride ][0], xmin<<shift, xmax<<shift);
1819 P_TOP[1] = av_clip(mv_table[mot_xy - mot_stride ][1], ymin<<shift, ymax<<shift);
1820 P_TOPRIGHT[0] = av_clip(mv_table[mot_xy - mot_stride + 1 ][0], xmin<<shift, xmax<<shift);
1821 P_TOPRIGHT[1] = av_clip(mv_table[mot_xy - mot_stride + 1 ][1], ymin<<shift, ymax<<shift);
1823 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1824 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1827 dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, mv_table, 1<<(16-shift), 0, 16);
1828 if(c->sub_flags&FLAG_QPEL)
1829 dmin = qpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1830 else
1831 dmin = hpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1833 if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
1834 dmin= ff_get_mb_score(s, mx, my, 0, 0, 0, 16, 1);
1836 get_limits(s, 16*mb_x, 16*mb_y); //restore c->?min/max, maybe not needed
1838 mv_table[mot_xy][0]= mx;
1839 mv_table[mot_xy][1]= my;
1840 c->flags &= ~FLAG_DIRECT;
1841 c->sub_flags &= ~FLAG_DIRECT;
1843 return dmin;
1846 void ff_estimate_b_frame_motion(MpegEncContext * s,
1847 int mb_x, int mb_y)
1849 MotionEstContext * const c= &s->me;
1850 const int penalty_factor= c->mb_penalty_factor;
1851 int fmin, bmin, dmin, fbmin, bimin, fimin;
1852 int type=0;
1853 const int xy = mb_y*s->mb_stride + mb_x;
1854 init_ref(c, s->new_picture.data, s->last_picture.data, s->next_picture.data, 16*mb_x, 16*mb_y, 2);
1856 get_limits(s, 16*mb_x, 16*mb_y);
1858 c->skip=0;
1860 if(s->codec_id == CODEC_ID_MPEG4 && s->next_picture.mbskip_table[xy]){
1861 int score= direct_search(s, mb_x, mb_y); //FIXME just check 0,0
1863 score= ((unsigned)(score*score + 128*256))>>16;
1864 c->mc_mb_var_sum_temp += score;
1865 s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE
1866 s->mb_type[mb_y*s->mb_stride + mb_x]= CANDIDATE_MB_TYPE_DIRECT0;
1868 return;
1871 if(c->avctx->me_threshold){
1872 int vard= check_input_motion(s, mb_x, mb_y, 0);
1874 if((vard+128)>>8 < c->avctx->me_threshold){
1875 // pix = c->src[0][0];
1876 // sum = s->dsp.pix_sum(pix, s->linesize);
1877 // varc = s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500;
1879 // pic->mb_var [s->mb_stride * mb_y + mb_x] = (varc+128)>>8;
1880 s->current_picture.mc_mb_var[s->mb_stride * mb_y + mb_x] = (vard+128)>>8;
1881 /* pic->mb_mean [s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
1882 c->mb_var_sum_temp += (varc+128)>>8;*/
1883 c->mc_mb_var_sum_temp += (vard+128)>>8;
1884 /* if (vard <= 64<<8 || vard < varc) {
1885 c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
1886 }else{
1887 c->scene_change_score+= s->qscale * s->avctx->scenechange_factor;
1889 return;
1891 if((vard+128)>>8 < c->avctx->mb_threshold){
1892 type= s->mb_type[mb_y*s->mb_stride + mb_x];
1893 if(type == CANDIDATE_MB_TYPE_DIRECT){
1894 direct_search(s, mb_x, mb_y);
1896 if(type == CANDIDATE_MB_TYPE_FORWARD || type == CANDIDATE_MB_TYPE_BIDIR){
1897 c->skip=0;
1898 ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code);
1900 if(type == CANDIDATE_MB_TYPE_BACKWARD || type == CANDIDATE_MB_TYPE_BIDIR){
1901 c->skip=0;
1902 ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code);
1904 if(type == CANDIDATE_MB_TYPE_FORWARD_I || type == CANDIDATE_MB_TYPE_BIDIR_I){
1905 c->skip=0;
1906 c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
1907 interlaced_search(s, 0,
1908 s->b_field_mv_table[0], s->b_field_select_table[0],
1909 s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 1);
1911 if(type == CANDIDATE_MB_TYPE_BACKWARD_I || type == CANDIDATE_MB_TYPE_BIDIR_I){
1912 c->skip=0;
1913 c->current_mv_penalty= c->mv_penalty[s->b_code] + MAX_MV;
1914 interlaced_search(s, 2,
1915 s->b_field_mv_table[1], s->b_field_select_table[1],
1916 s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 1);
1918 return;
1922 if (s->codec_id == CODEC_ID_MPEG4)
1923 dmin= direct_search(s, mb_x, mb_y);
1924 else
1925 dmin= INT_MAX;
1926 //FIXME penalty stuff for non mpeg4
1927 c->skip=0;
1928 fmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code) + 3*penalty_factor;
1930 c->skip=0;
1931 bmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code) + 2*penalty_factor;
1932 //printf(" %d %d ", s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1]);
1934 c->skip=0;
1935 fbmin= bidir_refine(s, mb_x, mb_y) + penalty_factor;
1936 //printf("%d %d %d %d\n", dmin, fmin, bmin, fbmin);
1938 if(s->flags & CODEC_FLAG_INTERLACED_ME){
1939 //FIXME mb type penalty
1940 c->skip=0;
1941 c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
1942 fimin= interlaced_search(s, 0,
1943 s->b_field_mv_table[0], s->b_field_select_table[0],
1944 s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 0);
1945 c->current_mv_penalty= c->mv_penalty[s->b_code] + MAX_MV;
1946 bimin= interlaced_search(s, 2,
1947 s->b_field_mv_table[1], s->b_field_select_table[1],
1948 s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 0);
1949 }else
1950 fimin= bimin= INT_MAX;
1953 int score= fmin;
1954 type = CANDIDATE_MB_TYPE_FORWARD;
1956 if (dmin <= score){
1957 score = dmin;
1958 type = CANDIDATE_MB_TYPE_DIRECT;
1960 if(bmin<score){
1961 score=bmin;
1962 type= CANDIDATE_MB_TYPE_BACKWARD;
1964 if(fbmin<score){
1965 score=fbmin;
1966 type= CANDIDATE_MB_TYPE_BIDIR;
1968 if(fimin<score){
1969 score=fimin;
1970 type= CANDIDATE_MB_TYPE_FORWARD_I;
1972 if(bimin<score){
1973 score=bimin;
1974 type= CANDIDATE_MB_TYPE_BACKWARD_I;
1977 score= ((unsigned)(score*score + 128*256))>>16;
1978 c->mc_mb_var_sum_temp += score;
1979 s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE
1982 if(c->avctx->mb_decision > FF_MB_DECISION_SIMPLE){
1983 type= CANDIDATE_MB_TYPE_FORWARD | CANDIDATE_MB_TYPE_BACKWARD | CANDIDATE_MB_TYPE_BIDIR | CANDIDATE_MB_TYPE_DIRECT;
1984 if(fimin < INT_MAX)
1985 type |= CANDIDATE_MB_TYPE_FORWARD_I;
1986 if(bimin < INT_MAX)
1987 type |= CANDIDATE_MB_TYPE_BACKWARD_I;
1988 if(fimin < INT_MAX && bimin < INT_MAX){
1989 type |= CANDIDATE_MB_TYPE_BIDIR_I;
1991 //FIXME something smarter
1992 if(dmin>256*256*16) type&= ~CANDIDATE_MB_TYPE_DIRECT; //do not try direct mode if it is invalid for this MB
1993 if(s->codec_id == CODEC_ID_MPEG4 && type&CANDIDATE_MB_TYPE_DIRECT && s->flags&CODEC_FLAG_MV0 && *(uint32_t*)s->b_direct_mv_table[xy])
1994 type |= CANDIDATE_MB_TYPE_DIRECT0;
1995 #if 0
1996 if(s->out_format == FMT_MPEG1)
1997 type |= CANDIDATE_MB_TYPE_INTRA;
1998 #endif
2001 s->mb_type[mb_y*s->mb_stride + mb_x]= type;
2004 /* find best f_code for ME which do unlimited searches */
2005 int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type)
2007 if(s->me_method>=ME_EPZS){
2008 int score[8];
2009 int i, y, range= s->avctx->me_range ? s->avctx->me_range : (INT_MAX/2);
2010 uint8_t * fcode_tab= s->fcode_tab;
2011 int best_fcode=-1;
2012 int best_score=-10000000;
2014 if(s->msmpeg4_version)
2015 range= FFMIN(range, 16);
2016 else if(s->codec_id == CODEC_ID_MPEG2VIDEO && s->avctx->strict_std_compliance >= FF_COMPLIANCE_NORMAL)
2017 range= FFMIN(range, 256);
2019 for(i=0; i<8; i++) score[i]= s->mb_num*(8-i);
2021 for(y=0; y<s->mb_height; y++){
2022 int x;
2023 int xy= y*s->mb_stride;
2024 for(x=0; x<s->mb_width; x++){
2025 if(s->mb_type[xy] & type){
2026 int mx= mv_table[xy][0];
2027 int my= mv_table[xy][1];
2028 int fcode= FFMAX(fcode_tab[mx + MAX_MV],
2029 fcode_tab[my + MAX_MV]);
2030 int j;
2032 if(mx >= range || mx < -range ||
2033 my >= range || my < -range)
2034 continue;
2036 for(j=0; j<fcode && j<8; j++){
2037 if(s->pict_type==FF_B_TYPE || s->current_picture.mc_mb_var[xy] < s->current_picture.mb_var[xy])
2038 score[j]-= 170;
2041 xy++;
2045 for(i=1; i<8; i++){
2046 if(score[i] > best_score){
2047 best_score= score[i];
2048 best_fcode= i;
2050 // printf("%d %d\n", i, score[i]);
2053 // printf("fcode: %d type: %d\n", i, s->pict_type);
2054 return best_fcode;
2055 /* for(i=0; i<=MAX_FCODE; i++){
2056 printf("%d ", mv_num[i]);
2058 printf("\n");*/
2059 }else{
2060 return 1;
2064 void ff_fix_long_p_mvs(MpegEncContext * s)
2066 MotionEstContext * const c= &s->me;
2067 const int f_code= s->f_code;
2068 int y, range;
2069 assert(s->pict_type==FF_P_TYPE);
2071 range = (((s->out_format == FMT_MPEG1 || s->msmpeg4_version) ? 8 : 16) << f_code);
2073 assert(range <= 16 || !s->msmpeg4_version);
2074 assert(range <=256 || !(s->codec_id == CODEC_ID_MPEG2VIDEO && s->avctx->strict_std_compliance >= FF_COMPLIANCE_NORMAL));
2076 if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range;
2078 //printf("%d no:%d %d//\n", clip, noclip, f_code);
2079 if(s->flags&CODEC_FLAG_4MV){
2080 const int wrap= s->b8_stride;
2082 /* clip / convert to intra 8x8 type MVs */
2083 for(y=0; y<s->mb_height; y++){
2084 int xy= y*2*wrap;
2085 int i= y*s->mb_stride;
2086 int x;
2088 for(x=0; x<s->mb_width; x++){
2089 if(s->mb_type[i]&CANDIDATE_MB_TYPE_INTER4V){
2090 int block;
2091 for(block=0; block<4; block++){
2092 int off= (block& 1) + (block>>1)*wrap;
2093 int mx= s->current_picture.motion_val[0][ xy + off ][0];
2094 int my= s->current_picture.motion_val[0][ xy + off ][1];
2096 if( mx >=range || mx <-range
2097 || my >=range || my <-range){
2098 s->mb_type[i] &= ~CANDIDATE_MB_TYPE_INTER4V;
2099 s->mb_type[i] |= CANDIDATE_MB_TYPE_INTRA;
2100 s->current_picture.mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
2104 xy+=2;
2105 i++;
2113 * @param truncate 1 for truncation, 0 for using intra
2115 void ff_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_select,
2116 int16_t (*mv_table)[2], int f_code, int type, int truncate)
2118 MotionEstContext * const c= &s->me;
2119 int y, h_range, v_range;
2121 // RAL: 8 in MPEG-1, 16 in MPEG-4
2122 int range = (((s->out_format == FMT_MPEG1 || s->msmpeg4_version) ? 8 : 16) << f_code);
2124 if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range;
2126 h_range= range;
2127 v_range= field_select_table ? range>>1 : range;
2129 /* clip / convert to intra 16x16 type MVs */
2130 for(y=0; y<s->mb_height; y++){
2131 int x;
2132 int xy= y*s->mb_stride;
2133 for(x=0; x<s->mb_width; x++){
2134 if (s->mb_type[xy] & type){ // RAL: "type" test added...
2135 if(field_select_table==NULL || field_select_table[xy] == field_select){
2136 if( mv_table[xy][0] >=h_range || mv_table[xy][0] <-h_range
2137 || mv_table[xy][1] >=v_range || mv_table[xy][1] <-v_range){
2139 if(truncate){
2140 if (mv_table[xy][0] > h_range-1) mv_table[xy][0]= h_range-1;
2141 else if(mv_table[xy][0] < -h_range ) mv_table[xy][0]= -h_range;
2142 if (mv_table[xy][1] > v_range-1) mv_table[xy][1]= v_range-1;
2143 else if(mv_table[xy][1] < -v_range ) mv_table[xy][1]= -v_range;
2144 }else{
2145 s->mb_type[xy] &= ~type;
2146 s->mb_type[xy] |= CANDIDATE_MB_TYPE_INTRA;
2147 mv_table[xy][0]=
2148 mv_table[xy][1]= 0;
2153 xy++;