2 * Copyright (c) 2000,2001 Fabrice Bellard
3 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
5 * 4MV & hq & B-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at>
7 * This file is part of FFmpeg.
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * FFmpeg is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 #include "libavutil/avassert.h"
27 #include "libavutil/internal.h"
31 #include "mpegvideo.h"
36 static void gmc1_motion(MpegEncContext *s,
37 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
38 uint8_t **ref_picture)
42 ptrdiff_t offset, linesize, uvlinesize;
43 int motion_x, motion_y;
46 motion_x= s->sprite_offset[0][0];
47 motion_y= s->sprite_offset[0][1];
48 src_x = s->mb_x * 16 + (motion_x >> (s->sprite_warping_accuracy+1));
49 src_y = s->mb_y * 16 + (motion_y >> (s->sprite_warping_accuracy+1));
50 motion_x<<=(3-s->sprite_warping_accuracy);
51 motion_y<<=(3-s->sprite_warping_accuracy);
52 src_x = av_clip(src_x, -16, s->width);
53 if (src_x == s->width)
55 src_y = av_clip(src_y, -16, s->height);
56 if (src_y == s->height)
59 linesize = s->linesize;
60 uvlinesize = s->uvlinesize;
62 ptr = ref_picture[0] + (src_y * linesize) + src_x;
64 if( (unsigned)src_x >= FFMAX(s->h_edge_pos - 17, 0)
65 || (unsigned)src_y >= FFMAX(s->v_edge_pos - 17, 0)){
66 s->vdsp.emulated_edge_mc(s->edge_emu_buffer, linesize,
67 ptr, linesize, 17, 17, src_x, src_y,
68 s->h_edge_pos, s->v_edge_pos);
69 ptr= s->edge_emu_buffer;
72 if((motion_x|motion_y)&7){
73 s->dsp.gmc1(dest_y , ptr , linesize, 16, motion_x&15, motion_y&15, 128 - s->no_rounding);
74 s->dsp.gmc1(dest_y+8, ptr+8, linesize, 16, motion_x&15, motion_y&15, 128 - s->no_rounding);
78 dxy= ((motion_x>>3)&1) | ((motion_y>>2)&2);
80 s->hdsp.put_no_rnd_pixels_tab[0][dxy](dest_y, ptr, linesize, 16);
82 s->hdsp.put_pixels_tab [0][dxy](dest_y, ptr, linesize, 16);
86 if(CONFIG_GRAY && s->flags&CODEC_FLAG_GRAY) return;
88 motion_x= s->sprite_offset[1][0];
89 motion_y= s->sprite_offset[1][1];
90 src_x = s->mb_x * 8 + (motion_x >> (s->sprite_warping_accuracy+1));
91 src_y = s->mb_y * 8 + (motion_y >> (s->sprite_warping_accuracy+1));
92 motion_x<<=(3-s->sprite_warping_accuracy);
93 motion_y<<=(3-s->sprite_warping_accuracy);
94 src_x = av_clip(src_x, -8, s->width>>1);
95 if (src_x == s->width>>1)
97 src_y = av_clip(src_y, -8, s->height>>1);
98 if (src_y == s->height>>1)
101 offset = (src_y * uvlinesize) + src_x;
102 ptr = ref_picture[1] + offset;
103 if( (unsigned)src_x >= FFMAX((s->h_edge_pos>>1) - 9, 0)
104 || (unsigned)src_y >= FFMAX((s->v_edge_pos>>1) - 9, 0)){
105 s->vdsp.emulated_edge_mc(s->edge_emu_buffer, uvlinesize,
106 ptr, uvlinesize, 9, 9, src_x, src_y,
107 s->h_edge_pos>>1, s->v_edge_pos>>1);
108 ptr= s->edge_emu_buffer;
111 s->dsp.gmc1(dest_cb, ptr, uvlinesize, 8, motion_x&15, motion_y&15, 128 - s->no_rounding);
113 ptr = ref_picture[2] + offset;
115 s->vdsp.emulated_edge_mc(s->edge_emu_buffer, uvlinesize,
116 ptr, uvlinesize, 9, 9, src_x, src_y,
117 s->h_edge_pos>>1, s->v_edge_pos>>1);
118 ptr= s->edge_emu_buffer;
120 s->dsp.gmc1(dest_cr, ptr, uvlinesize, 8, motion_x&15, motion_y&15, 128 - s->no_rounding);
125 static void gmc_motion(MpegEncContext *s,
126 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
127 uint8_t **ref_picture)
130 int linesize, uvlinesize;
131 const int a= s->sprite_warping_accuracy;
134 linesize = s->linesize;
135 uvlinesize = s->uvlinesize;
137 ptr = ref_picture[0];
139 ox= s->sprite_offset[0][0] + s->sprite_delta[0][0]*s->mb_x*16 + s->sprite_delta[0][1]*s->mb_y*16;
140 oy= s->sprite_offset[0][1] + s->sprite_delta[1][0]*s->mb_x*16 + s->sprite_delta[1][1]*s->mb_y*16;
142 s->dsp.gmc(dest_y, ptr, linesize, 16,
145 s->sprite_delta[0][0], s->sprite_delta[0][1],
146 s->sprite_delta[1][0], s->sprite_delta[1][1],
147 a+1, (1<<(2*a+1)) - s->no_rounding,
148 s->h_edge_pos, s->v_edge_pos);
149 s->dsp.gmc(dest_y+8, ptr, linesize, 16,
150 ox + s->sprite_delta[0][0]*8,
151 oy + s->sprite_delta[1][0]*8,
152 s->sprite_delta[0][0], s->sprite_delta[0][1],
153 s->sprite_delta[1][0], s->sprite_delta[1][1],
154 a+1, (1<<(2*a+1)) - s->no_rounding,
155 s->h_edge_pos, s->v_edge_pos);
157 if(CONFIG_GRAY && s->flags&CODEC_FLAG_GRAY) return;
159 ox= s->sprite_offset[1][0] + s->sprite_delta[0][0]*s->mb_x*8 + s->sprite_delta[0][1]*s->mb_y*8;
160 oy= s->sprite_offset[1][1] + s->sprite_delta[1][0]*s->mb_x*8 + s->sprite_delta[1][1]*s->mb_y*8;
162 ptr = ref_picture[1];
163 s->dsp.gmc(dest_cb, ptr, uvlinesize, 8,
166 s->sprite_delta[0][0], s->sprite_delta[0][1],
167 s->sprite_delta[1][0], s->sprite_delta[1][1],
168 a+1, (1<<(2*a+1)) - s->no_rounding,
169 s->h_edge_pos>>1, s->v_edge_pos>>1);
171 ptr = ref_picture[2];
172 s->dsp.gmc(dest_cr, ptr, uvlinesize, 8,
175 s->sprite_delta[0][0], s->sprite_delta[0][1],
176 s->sprite_delta[1][0], s->sprite_delta[1][1],
177 a+1, (1<<(2*a+1)) - s->no_rounding,
178 s->h_edge_pos>>1, s->v_edge_pos>>1);
181 static inline int hpel_motion(MpegEncContext *s,
182 uint8_t *dest, uint8_t *src,
183 int src_x, int src_y,
184 op_pixels_func *pix_op,
185 int motion_x, int motion_y)
190 src_x += motion_x >> 1;
191 src_y += motion_y >> 1;
193 /* WARNING: do no forget half pels */
194 src_x = av_clip(src_x, -16, s->width); //FIXME unneeded for emu?
195 if (src_x != s->width)
197 src_y = av_clip(src_y, -16, s->height);
198 if (src_y != s->height)
199 dxy |= (motion_y & 1) << 1;
200 src += src_y * s->linesize + src_x;
202 if(s->unrestricted_mv && (s->flags&CODEC_FLAG_EMU_EDGE)){
203 if( (unsigned)src_x > FFMAX(s->h_edge_pos - (motion_x&1) - 8, 0)
204 || (unsigned)src_y > FFMAX(s->v_edge_pos - (motion_y&1) - 8, 0)){
205 s->vdsp.emulated_edge_mc(s->edge_emu_buffer, s->linesize,
206 src, s->linesize, 9, 9,
207 src_x, src_y, s->h_edge_pos, s->v_edge_pos);
208 src= s->edge_emu_buffer;
212 pix_op[dxy](dest, src, s->linesize, 8);
216 static av_always_inline
217 void mpeg_motion_internal(MpegEncContext *s,
218 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
219 int field_based, int bottom_field, int field_select,
220 uint8_t **ref_picture, op_pixels_func (*pix_op)[4],
221 int motion_x, int motion_y, int h, int is_mpeg12, int mb_y)
223 uint8_t *ptr_y, *ptr_cb, *ptr_cr;
224 int dxy, uvdxy, mx, my, src_x, src_y,
225 uvsrc_x, uvsrc_y, v_edge_pos;
226 ptrdiff_t uvlinesize, linesize;
229 if(s->quarter_sample)
236 v_edge_pos = s->v_edge_pos >> field_based;
237 linesize = s->current_picture.f.linesize[0] << field_based;
238 uvlinesize = s->current_picture.f.linesize[1] << field_based;
240 dxy = ((motion_y & 1) << 1) | (motion_x & 1);
241 src_x = s->mb_x* 16 + (motion_x >> 1);
242 src_y =( mb_y<<(4-field_based)) + (motion_y >> 1);
244 if (!is_mpeg12 && s->out_format == FMT_H263) {
245 if((s->workaround_bugs & FF_BUG_HPEL_CHROMA) && field_based){
246 mx = (motion_x>>1)|(motion_x&1);
248 uvdxy = ((my & 1) << 1) | (mx & 1);
249 uvsrc_x = s->mb_x* 8 + (mx >> 1);
250 uvsrc_y =( mb_y<<(3-field_based))+ (my >> 1);
252 uvdxy = dxy | (motion_y & 2) | ((motion_x & 2) >> 1);
256 }else if(!is_mpeg12 && s->out_format == FMT_H261){//even chroma mv's are full pel in H261
260 uvsrc_x = s->mb_x*8 + mx;
261 uvsrc_y = mb_y*8 + my;
263 if(s->chroma_y_shift){
266 uvdxy = ((my & 1) << 1) | (mx & 1);
267 uvsrc_x = s->mb_x* 8 + (mx >> 1);
268 uvsrc_y =( mb_y<<(3-field_based))+ (my >> 1);
270 if(s->chroma_x_shift){
273 uvdxy = ((motion_y & 1) << 1) | (mx & 1);
274 uvsrc_x = s->mb_x* 8 + (mx >> 1);
285 ptr_y = ref_picture[0] + src_y * linesize + src_x;
286 ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x;
287 ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x;
289 if( (unsigned)src_x > FFMAX(s->h_edge_pos - (motion_x&1) - 16, 0)
290 || (unsigned)src_y > FFMAX( v_edge_pos - (motion_y&1) - h , 0)){
291 if(is_mpeg12 || s->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
292 s->codec_id == AV_CODEC_ID_MPEG1VIDEO){
293 av_log(s->avctx,AV_LOG_DEBUG,
294 "MPEG motion vector out of boundary (%d %d)\n", src_x, src_y);
297 s->vdsp.emulated_edge_mc(s->edge_emu_buffer, s->linesize,
298 ptr_y, s->linesize, 17, 17+field_based,
299 src_x, src_y<<field_based,
300 s->h_edge_pos, s->v_edge_pos);
301 ptr_y = s->edge_emu_buffer;
302 if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
303 uint8_t *uvbuf= s->edge_emu_buffer+18*s->linesize;
304 s->vdsp.emulated_edge_mc(uvbuf, s->uvlinesize,
305 ptr_cb, s->uvlinesize,
307 uvsrc_x, uvsrc_y<<field_based,
308 s->h_edge_pos>>1, s->v_edge_pos>>1);
309 s->vdsp.emulated_edge_mc(uvbuf+16, s->uvlinesize,
310 ptr_cr, s->uvlinesize,
312 uvsrc_x, uvsrc_y<<field_based,
313 s->h_edge_pos>>1, s->v_edge_pos>>1);
319 if(bottom_field){ //FIXME use this for field pix too instead of the obnoxious hack which changes picture.data
320 dest_y += s->linesize;
321 dest_cb+= s->uvlinesize;
322 dest_cr+= s->uvlinesize;
326 ptr_y += s->linesize;
327 ptr_cb+= s->uvlinesize;
328 ptr_cr+= s->uvlinesize;
331 pix_op[0][dxy](dest_y, ptr_y, linesize, h);
333 if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
334 pix_op[s->chroma_x_shift][uvdxy]
335 (dest_cb, ptr_cb, uvlinesize, h >> s->chroma_y_shift);
336 pix_op[s->chroma_x_shift][uvdxy]
337 (dest_cr, ptr_cr, uvlinesize, h >> s->chroma_y_shift);
339 if(!is_mpeg12 && (CONFIG_H261_ENCODER || CONFIG_H261_DECODER) &&
340 s->out_format == FMT_H261){
341 ff_h261_loop_filter(s);
344 /* apply one mpeg motion vector to the three components */
345 static void mpeg_motion(MpegEncContext *s,
346 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
347 int field_select, uint8_t **ref_picture,
348 op_pixels_func (*pix_op)[4],
349 int motion_x, int motion_y, int h, int mb_y)
352 if(s->out_format == FMT_MPEG1)
353 mpeg_motion_internal(s, dest_y, dest_cb, dest_cr, 0, 0,
354 field_select, ref_picture, pix_op,
355 motion_x, motion_y, h, 1, mb_y);
358 mpeg_motion_internal(s, dest_y, dest_cb, dest_cr, 0, 0,
359 field_select, ref_picture, pix_op,
360 motion_x, motion_y, h, 0, mb_y);
363 static void mpeg_motion_field(MpegEncContext *s, uint8_t *dest_y,
364 uint8_t *dest_cb, uint8_t *dest_cr,
365 int bottom_field, int field_select,
366 uint8_t **ref_picture,
367 op_pixels_func (*pix_op)[4],
368 int motion_x, int motion_y, int h, int mb_y)
371 if(s->out_format == FMT_MPEG1)
372 mpeg_motion_internal(s, dest_y, dest_cb, dest_cr, 1,
373 bottom_field, field_select, ref_picture, pix_op,
374 motion_x, motion_y, h, 1, mb_y);
377 mpeg_motion_internal(s, dest_y, dest_cb, dest_cr, 1,
378 bottom_field, field_select, ref_picture, pix_op,
379 motion_x, motion_y, h, 0, mb_y);
382 //FIXME move to dsputil, avg variant, 16x16 version
383 static inline void put_obmc(uint8_t *dst, uint8_t *src[5], int stride){
385 uint8_t * const top = src[1];
386 uint8_t * const left = src[2];
387 uint8_t * const mid = src[0];
388 uint8_t * const right = src[3];
389 uint8_t * const bottom= src[4];
390 #define OBMC_FILTER(x, t, l, m, r, b)\
391 dst[x]= (t*top[x] + l*left[x] + m*mid[x] + r*right[x] + b*bottom[x] + 4)>>3
392 #define OBMC_FILTER4(x, t, l, m, r, b)\
393 OBMC_FILTER(x , t, l, m, r, b);\
394 OBMC_FILTER(x+1 , t, l, m, r, b);\
395 OBMC_FILTER(x +stride, t, l, m, r, b);\
396 OBMC_FILTER(x+1+stride, t, l, m, r, b);
399 OBMC_FILTER (x , 2, 2, 4, 0, 0);
400 OBMC_FILTER (x+1, 2, 1, 5, 0, 0);
401 OBMC_FILTER4(x+2, 2, 1, 5, 0, 0);
402 OBMC_FILTER4(x+4, 2, 0, 5, 1, 0);
403 OBMC_FILTER (x+6, 2, 0, 5, 1, 0);
404 OBMC_FILTER (x+7, 2, 0, 4, 2, 0);
406 OBMC_FILTER (x , 1, 2, 5, 0, 0);
407 OBMC_FILTER (x+1, 1, 2, 5, 0, 0);
408 OBMC_FILTER (x+6, 1, 0, 5, 2, 0);
409 OBMC_FILTER (x+7, 1, 0, 5, 2, 0);
411 OBMC_FILTER4(x , 1, 2, 5, 0, 0);
412 OBMC_FILTER4(x+2, 1, 1, 6, 0, 0);
413 OBMC_FILTER4(x+4, 1, 0, 6, 1, 0);
414 OBMC_FILTER4(x+6, 1, 0, 5, 2, 0);
416 OBMC_FILTER4(x , 0, 2, 5, 0, 1);
417 OBMC_FILTER4(x+2, 0, 1, 6, 0, 1);
418 OBMC_FILTER4(x+4, 0, 0, 6, 1, 1);
419 OBMC_FILTER4(x+6, 0, 0, 5, 2, 1);
421 OBMC_FILTER (x , 0, 2, 5, 0, 1);
422 OBMC_FILTER (x+1, 0, 2, 5, 0, 1);
423 OBMC_FILTER4(x+2, 0, 1, 5, 0, 2);
424 OBMC_FILTER4(x+4, 0, 0, 5, 1, 2);
425 OBMC_FILTER (x+6, 0, 0, 5, 2, 1);
426 OBMC_FILTER (x+7, 0, 0, 5, 2, 1);
428 OBMC_FILTER (x , 0, 2, 4, 0, 2);
429 OBMC_FILTER (x+1, 0, 1, 5, 0, 2);
430 OBMC_FILTER (x+6, 0, 0, 5, 1, 2);
431 OBMC_FILTER (x+7, 0, 0, 4, 2, 2);
434 /* obmc for 1 8x8 luma block */
435 static inline void obmc_motion(MpegEncContext *s,
436 uint8_t *dest, uint8_t *src,
437 int src_x, int src_y,
438 op_pixels_func *pix_op,
439 int16_t mv[5][2]/* mid top left right bottom*/)
445 av_assert2(s->quarter_sample==0);
448 if(i && mv[i][0]==mv[MID][0] && mv[i][1]==mv[MID][1]){
451 ptr[i]= s->obmc_scratchpad + 8*(i&1) + s->linesize*8*(i>>1);
452 hpel_motion(s, ptr[i], src,
459 put_obmc(dest, ptr, s->linesize);
462 static inline void qpel_motion(MpegEncContext *s,
463 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
464 int field_based, int bottom_field, int field_select,
465 uint8_t **ref_picture, op_pixels_func (*pix_op)[4],
466 qpel_mc_func (*qpix_op)[16],
467 int motion_x, int motion_y, int h)
469 uint8_t *ptr_y, *ptr_cb, *ptr_cr;
470 int dxy, uvdxy, mx, my, src_x, src_y, uvsrc_x, uvsrc_y, v_edge_pos;
471 ptrdiff_t linesize, uvlinesize;
473 dxy = ((motion_y & 3) << 2) | (motion_x & 3);
474 src_x = s->mb_x * 16 + (motion_x >> 2);
475 src_y = s->mb_y * (16 >> field_based) + (motion_y >> 2);
477 v_edge_pos = s->v_edge_pos >> field_based;
478 linesize = s->linesize << field_based;
479 uvlinesize = s->uvlinesize << field_based;
484 }else if(s->workaround_bugs&FF_BUG_QPEL_CHROMA2){
485 static const int rtab[8]= {0,0,1,1,0,0,0,1};
486 mx= (motion_x>>1) + rtab[motion_x&7];
487 my= (motion_y>>1) + rtab[motion_y&7];
488 }else if(s->workaround_bugs&FF_BUG_QPEL_CHROMA){
489 mx= (motion_x>>1)|(motion_x&1);
490 my= (motion_y>>1)|(motion_y&1);
498 uvdxy= (mx&1) | ((my&1)<<1);
502 uvsrc_x = s->mb_x * 8 + mx;
503 uvsrc_y = s->mb_y * (8 >> field_based) + my;
505 ptr_y = ref_picture[0] + src_y * linesize + src_x;
506 ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x;
507 ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x;
509 if( (unsigned)src_x > FFMAX(s->h_edge_pos - (motion_x&3) - 16, 0)
510 || (unsigned)src_y > FFMAX( v_edge_pos - (motion_y&3) - h , 0)){
511 s->vdsp.emulated_edge_mc(s->edge_emu_buffer, s->linesize,
513 17, 17+field_based, src_x, src_y<<field_based,
514 s->h_edge_pos, s->v_edge_pos);
515 ptr_y= s->edge_emu_buffer;
516 if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
517 uint8_t *uvbuf= s->edge_emu_buffer + 18*s->linesize;
518 s->vdsp.emulated_edge_mc(uvbuf, s->uvlinesize,
519 ptr_cb, s->uvlinesize,
521 uvsrc_x, uvsrc_y<<field_based,
522 s->h_edge_pos>>1, s->v_edge_pos>>1);
523 s->vdsp.emulated_edge_mc(uvbuf + 16, s->uvlinesize,
524 ptr_cr, s->uvlinesize,
526 uvsrc_x, uvsrc_y<<field_based,
527 s->h_edge_pos>>1, s->v_edge_pos>>1);
534 qpix_op[0][dxy](dest_y, ptr_y, linesize);
537 dest_y += s->linesize;
538 dest_cb+= s->uvlinesize;
539 dest_cr+= s->uvlinesize;
543 ptr_y += s->linesize;
544 ptr_cb += s->uvlinesize;
545 ptr_cr += s->uvlinesize;
547 //damn interlaced mode
548 //FIXME boundary mirroring is not exactly correct here
549 qpix_op[1][dxy](dest_y , ptr_y , linesize);
550 qpix_op[1][dxy](dest_y+8, ptr_y+8, linesize);
552 if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
553 pix_op[1][uvdxy](dest_cr, ptr_cr, uvlinesize, h >> 1);
554 pix_op[1][uvdxy](dest_cb, ptr_cb, uvlinesize, h >> 1);
559 * h263 chroma 4mv motion compensation.
561 static void chroma_4mv_motion(MpegEncContext *s,
562 uint8_t *dest_cb, uint8_t *dest_cr,
563 uint8_t **ref_picture,
564 op_pixels_func *pix_op,
567 int dxy, emu=0, src_x, src_y;
571 /* In case of 8X8, we construct a single chroma motion vector
572 with a special rounding */
573 mx= ff_h263_round_chroma(mx);
574 my= ff_h263_round_chroma(my);
576 dxy = ((my & 1) << 1) | (mx & 1);
580 src_x = s->mb_x * 8 + mx;
581 src_y = s->mb_y * 8 + my;
582 src_x = av_clip(src_x, -8, (s->width >> 1));
583 if (src_x == (s->width >> 1))
585 src_y = av_clip(src_y, -8, (s->height >> 1));
586 if (src_y == (s->height >> 1))
589 offset = src_y * s->uvlinesize + src_x;
590 ptr = ref_picture[1] + offset;
591 if(s->flags&CODEC_FLAG_EMU_EDGE){
592 if( (unsigned)src_x > FFMAX((s->h_edge_pos>>1) - (dxy &1) - 8, 0)
593 || (unsigned)src_y > FFMAX((s->v_edge_pos>>1) - (dxy>>1) - 8, 0)){
594 s->vdsp.emulated_edge_mc(s->edge_emu_buffer, s->uvlinesize,
595 ptr, s->uvlinesize, 9, 9, src_x, src_y,
596 s->h_edge_pos>>1, s->v_edge_pos>>1);
597 ptr= s->edge_emu_buffer;
601 pix_op[dxy](dest_cb, ptr, s->uvlinesize, 8);
603 ptr = ref_picture[2] + offset;
605 s->vdsp.emulated_edge_mc(s->edge_emu_buffer, s->uvlinesize,
606 ptr, s->uvlinesize, 9, 9, src_x, src_y,
607 s->h_edge_pos>>1, s->v_edge_pos>>1);
608 ptr= s->edge_emu_buffer;
610 pix_op[dxy](dest_cr, ptr, s->uvlinesize, 8);
613 static inline void prefetch_motion(MpegEncContext *s, uint8_t **pix, int dir){
614 /* fetch pixels for estimated mv 4 macroblocks ahead
615 * optimized for 64byte cache lines */
616 const int shift = s->quarter_sample ? 2 : 1;
617 const int mx= (s->mv[dir][0][0]>>shift) + 16*s->mb_x + 8;
618 const int my= (s->mv[dir][0][1]>>shift) + 16*s->mb_y;
619 int off= mx + (my + (s->mb_x&3)*4)*s->linesize + 64;
620 s->vdsp.prefetch(pix[0]+off, s->linesize, 4);
621 off= (mx>>1) + ((my>>1) + (s->mb_x&7))*s->uvlinesize + 64;
622 s->vdsp.prefetch(pix[1]+off, pix[2]-pix[1], 2);
626 * motion compensation of a single macroblock
628 * @param dest_y luma destination pointer
629 * @param dest_cb chroma cb/u destination pointer
630 * @param dest_cr chroma cr/v destination pointer
631 * @param dir direction (0->forward, 1->backward)
632 * @param ref_picture array[3] of pointers to the 3 planes of the reference picture
633 * @param pix_op halfpel motion compensation function (average or put normally)
634 * @param qpix_op qpel motion compensation function (average or put normally)
635 * the motion vectors are taken from s->mv and the MV type from s->mv_type
637 static av_always_inline void MPV_motion_internal(MpegEncContext *s,
638 uint8_t *dest_y, uint8_t *dest_cb,
639 uint8_t *dest_cr, int dir,
640 uint8_t **ref_picture,
641 op_pixels_func (*pix_op)[4],
642 qpel_mc_func (*qpix_op)[16], int is_mpeg12)
644 int dxy, mx, my, src_x, src_y, motion_x, motion_y;
651 prefetch_motion(s, ref_picture, dir);
653 if(!is_mpeg12 && s->obmc && s->pict_type != AV_PICTURE_TYPE_B){
654 LOCAL_ALIGNED_8(int16_t, mv_cache, [4], [4][2]);
655 Picture *cur_frame = &s->current_picture;
656 const int xy= s->mb_x + s->mb_y*s->mb_stride;
657 const int mot_stride= s->b8_stride;
658 const int mot_xy= mb_x*2 + mb_y*2*mot_stride;
660 av_assert2(!s->mb_skipped);
662 AV_COPY32(mv_cache[1][1], cur_frame->motion_val[0][mot_xy ]);
663 AV_COPY32(mv_cache[1][2], cur_frame->motion_val[0][mot_xy + 1]);
665 AV_COPY32(mv_cache[2][1], cur_frame->motion_val[0][mot_xy + mot_stride ]);
666 AV_COPY32(mv_cache[2][2], cur_frame->motion_val[0][mot_xy + mot_stride + 1]);
668 AV_COPY32(mv_cache[3][1], cur_frame->motion_val[0][mot_xy + mot_stride ]);
669 AV_COPY32(mv_cache[3][2], cur_frame->motion_val[0][mot_xy + mot_stride + 1]);
671 if (mb_y == 0 || IS_INTRA(cur_frame->mb_type[xy - s->mb_stride])) {
672 AV_COPY32(mv_cache[0][1], mv_cache[1][1]);
673 AV_COPY32(mv_cache[0][2], mv_cache[1][2]);
675 AV_COPY32(mv_cache[0][1], cur_frame->motion_val[0][mot_xy - mot_stride ]);
676 AV_COPY32(mv_cache[0][2], cur_frame->motion_val[0][mot_xy - mot_stride + 1]);
679 if (mb_x == 0 || IS_INTRA(cur_frame->mb_type[xy - 1])) {
680 AV_COPY32(mv_cache[1][0], mv_cache[1][1]);
681 AV_COPY32(mv_cache[2][0], mv_cache[2][1]);
683 AV_COPY32(mv_cache[1][0], cur_frame->motion_val[0][mot_xy - 1]);
684 AV_COPY32(mv_cache[2][0], cur_frame->motion_val[0][mot_xy - 1 + mot_stride]);
687 if (mb_x + 1 >= s->mb_width || IS_INTRA(cur_frame->mb_type[xy + 1])) {
688 AV_COPY32(mv_cache[1][3], mv_cache[1][2]);
689 AV_COPY32(mv_cache[2][3], mv_cache[2][2]);
691 AV_COPY32(mv_cache[1][3], cur_frame->motion_val[0][mot_xy + 2]);
692 AV_COPY32(mv_cache[2][3], cur_frame->motion_val[0][mot_xy + 2 + mot_stride]);
698 const int x= (i&1)+1;
699 const int y= (i>>1)+1;
701 {mv_cache[y][x ][0], mv_cache[y][x ][1]},
702 {mv_cache[y-1][x][0], mv_cache[y-1][x][1]},
703 {mv_cache[y][x-1][0], mv_cache[y][x-1][1]},
704 {mv_cache[y][x+1][0], mv_cache[y][x+1][1]},
705 {mv_cache[y+1][x][0], mv_cache[y+1][x][1]}};
707 obmc_motion(s, dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize,
709 mb_x * 16 + (i & 1) * 8, mb_y * 16 + (i >>1) * 8,
716 if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY))
717 chroma_4mv_motion(s, dest_cb, dest_cr, ref_picture, pix_op[1], mx, my);
725 if(s->real_sprite_warping_points==1){
726 gmc1_motion(s, dest_y, dest_cb, dest_cr,
729 gmc_motion(s, dest_y, dest_cb, dest_cr,
732 }else if(!is_mpeg12 && s->quarter_sample){
733 qpel_motion(s, dest_y, dest_cb, dest_cr,
735 ref_picture, pix_op, qpix_op,
736 s->mv[dir][0][0], s->mv[dir][0][1], 16);
737 } else if (!is_mpeg12 && (CONFIG_WMV2_DECODER || CONFIG_WMV2_ENCODER) &&
738 s->mspel && s->codec_id == AV_CODEC_ID_WMV2) {
739 ff_mspel_motion(s, dest_y, dest_cb, dest_cr,
741 s->mv[dir][0][0], s->mv[dir][0][1], 16);
744 mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
746 s->mv[dir][0][0], s->mv[dir][0][1], 16, mb_y);
753 if(s->quarter_sample){
755 motion_x = s->mv[dir][i][0];
756 motion_y = s->mv[dir][i][1];
758 dxy = ((motion_y & 3) << 2) | (motion_x & 3);
759 src_x = mb_x * 16 + (motion_x >> 2) + (i & 1) * 8;
760 src_y = mb_y * 16 + (motion_y >> 2) + (i >>1) * 8;
762 /* WARNING: do no forget half pels */
763 src_x = av_clip(src_x, -16, s->width);
764 if (src_x == s->width)
766 src_y = av_clip(src_y, -16, s->height);
767 if (src_y == s->height)
770 ptr = ref_picture[0] + (src_y * s->linesize) + (src_x);
771 if(s->flags&CODEC_FLAG_EMU_EDGE){
772 if( (unsigned)src_x > FFMAX(s->h_edge_pos - (motion_x&3) - 8, 0)
773 || (unsigned)src_y > FFMAX(s->v_edge_pos - (motion_y&3) - 8, 0)){
774 s->vdsp.emulated_edge_mc(s->edge_emu_buffer, s->linesize,
775 ptr, s->linesize, 9, 9,
777 s->h_edge_pos, s->v_edge_pos);
778 ptr= s->edge_emu_buffer;
781 dest = dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize;
782 qpix_op[1][dxy](dest, ptr, s->linesize);
784 mx += s->mv[dir][i][0]/2;
785 my += s->mv[dir][i][1]/2;
789 hpel_motion(s, dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize,
791 mb_x * 16 + (i & 1) * 8, mb_y * 16 + (i >>1) * 8,
793 s->mv[dir][i][0], s->mv[dir][i][1]);
795 mx += s->mv[dir][i][0];
796 my += s->mv[dir][i][1];
800 if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY))
801 chroma_4mv_motion(s, dest_cb, dest_cr, ref_picture, pix_op[1], mx, my);
805 if (s->picture_structure == PICT_FRAME) {
806 if(!is_mpeg12 && s->quarter_sample){
808 qpel_motion(s, dest_y, dest_cb, dest_cr,
809 1, i, s->field_select[dir][i],
810 ref_picture, pix_op, qpix_op,
811 s->mv[dir][i][0], s->mv[dir][i][1], 8);
815 mpeg_motion_field(s, dest_y, dest_cb, dest_cr,
816 0, s->field_select[dir][0],
818 s->mv[dir][0][0], s->mv[dir][0][1], 8, mb_y);
820 mpeg_motion_field(s, dest_y, dest_cb, dest_cr,
821 1, s->field_select[dir][1],
823 s->mv[dir][1][0], s->mv[dir][1][1], 8, mb_y);
826 if( s->picture_structure != s->field_select[dir][0] + 1 && s->pict_type != AV_PICTURE_TYPE_B && !s->first_field
828 ref_picture = s->current_picture_ptr->f.data;
831 mpeg_motion(s, dest_y, dest_cb, dest_cr,
832 s->field_select[dir][0],
834 s->mv[dir][0][0], s->mv[dir][0][1], 16, mb_y>>1);
839 uint8_t ** ref2picture;
841 if((s->picture_structure == s->field_select[dir][i] + 1
842 || s->pict_type == AV_PICTURE_TYPE_B || s->first_field) && ref_picture[0]){
843 ref2picture= ref_picture;
845 ref2picture = s->current_picture_ptr->f.data;
848 mpeg_motion(s, dest_y, dest_cb, dest_cr,
849 s->field_select[dir][i],
851 s->mv[dir][i][0], s->mv[dir][i][1] + 16*i, 8, mb_y>>1);
853 dest_y += 16*s->linesize;
854 dest_cb+= (16>>s->chroma_y_shift)*s->uvlinesize;
855 dest_cr+= (16>>s->chroma_y_shift)*s->uvlinesize;
859 if(s->picture_structure == PICT_FRAME){
863 mpeg_motion_field(s, dest_y, dest_cb, dest_cr,
864 j, j^i, ref_picture, pix_op,
865 s->mv[dir][2*i + j][0],
866 s->mv[dir][2*i + j][1], 8, mb_y);
868 pix_op = s->hdsp.avg_pixels_tab;
871 if (!ref_picture[0]) {
872 ref_picture = s->current_picture_ptr->f.data;
875 mpeg_motion(s, dest_y, dest_cb, dest_cr,
876 s->picture_structure != i+1,
878 s->mv[dir][2*i][0],s->mv[dir][2*i][1],16, mb_y>>1);
880 // after put we make avg of the same block
881 pix_op=s->hdsp.avg_pixels_tab;
883 //opposite parity is always in the same frame if this is second field
885 ref_picture = s->current_picture_ptr->f.data;
890 default: av_assert2(0);
894 void ff_MPV_motion(MpegEncContext *s,
895 uint8_t *dest_y, uint8_t *dest_cb,
896 uint8_t *dest_cr, int dir,
897 uint8_t **ref_picture,
898 op_pixels_func (*pix_op)[4],
899 qpel_mc_func (*qpix_op)[16])
902 if(s->out_format == FMT_MPEG1)
903 MPV_motion_internal(s, dest_y, dest_cb, dest_cr, dir,
904 ref_picture, pix_op, qpix_op, 1);
907 MPV_motion_internal(s, dest_y, dest_cb, dest_cr, dir,
908 ref_picture, pix_op, qpix_op, 0);