h264: avoid using uninitialized memory in NEON chroma mc
[libav.git] / libavcodec / mpegvideo_motion.c
CommitLineData
3ada94ba 1/*
406792e7 2 * Copyright (c) 2000,2001 Fabrice Bellard
3ada94ba
BF
3 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
4 *
7b94177e
DB
5 * 4MV & hq & B-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at>
6 *
2912e87a 7 * This file is part of Libav.
3ada94ba 8 *
2912e87a 9 * Libav is free software; you can redistribute it and/or
3ada94ba
BF
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.
13 *
2912e87a 14 * Libav is distributed in the hope that it will be useful,
3ada94ba
BF
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.
18 *
19 * You should have received a copy of the GNU Lesser General Public
2912e87a 20 * License along with Libav; if not, write to the Free Software
3ada94ba 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
3ada94ba
BF
22 */
23
c60208e7 24#include <string.h>
218aefce
DB
25
26#include "libavutil/internal.h"
3ada94ba
BF
27#include "avcodec.h"
28#include "dsputil.h"
66ac3dbf 29#include "h261.h"
e0c16e4e 30#include "mpegutils.h"
3ada94ba
BF
31#include "mpegvideo.h"
32#include "mjpegenc.h"
33#include "msmpeg4.h"
368f5035 34#include "qpeldsp.h"
3ada94ba
BF
35#include <limits.h>
36
66f5a6b4
MR
37static void gmc1_motion(MpegEncContext *s,
38 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
39 uint8_t **ref_picture)
3ada94ba
BF
40{
41 uint8_t *ptr;
93f30547
RB
42 int src_x, src_y, motion_x, motion_y;
43 ptrdiff_t offset, linesize, uvlinesize;
a84616b7
LB
44 int emu = 0;
45
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);
3ada94ba 53 if (src_x == s->width)
a84616b7 54 motion_x = 0;
3ada94ba
BF
55 src_y = av_clip(src_y, -16, s->height);
56 if (src_y == s->height)
a84616b7 57 motion_y = 0;
3ada94ba 58
a84616b7 59 linesize = s->linesize;
3ada94ba
BF
60 uvlinesize = s->uvlinesize;
61
a84616b7
LB
62 ptr = ref_picture[0] + src_y * linesize + src_x;
63
ebfe622b
AK
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, ptr,
67 linesize, linesize,
68 17, 17,
69 src_x, src_y,
70 s->h_edge_pos, s->v_edge_pos);
71 ptr = s->edge_emu_buffer;
3ada94ba
BF
72 }
73
a84616b7
LB
74 if ((motion_x | motion_y) & 7) {
75 s->dsp.gmc1(dest_y, ptr, linesize, 16,
76 motion_x & 15, motion_y & 15, 128 - s->no_rounding);
77 s->dsp.gmc1(dest_y + 8, ptr + 8, linesize, 16,
78 motion_x & 15, motion_y & 15, 128 - s->no_rounding);
79 } else {
3ada94ba
BF
80 int dxy;
81
a84616b7
LB
82 dxy = ((motion_x >> 3) & 1) | ((motion_y >> 2) & 2);
83 if (s->no_rounding) {
f4fed5a2 84 s->hdsp.put_no_rnd_pixels_tab[0][dxy](dest_y, ptr, linesize, 16);
a84616b7
LB
85 } else {
86 s->hdsp.put_pixels_tab[0][dxy](dest_y, ptr, linesize, 16);
3ada94ba
BF
87 }
88 }
89
a84616b7
LB
90 if (CONFIG_GRAY && s->flags & CODEC_FLAG_GRAY)
91 return;
92
93 motion_x = s->sprite_offset[1][0];
94 motion_y = s->sprite_offset[1][1];
95 src_x = s->mb_x * 8 + (motion_x >> (s->sprite_warping_accuracy + 1));
96 src_y = s->mb_y * 8 + (motion_y >> (s->sprite_warping_accuracy + 1));
97 motion_x <<= (3 - s->sprite_warping_accuracy);
98 motion_y <<= (3 - s->sprite_warping_accuracy);
99 src_x = av_clip(src_x, -8, s->width >> 1);
100 if (src_x == s->width >> 1)
101 motion_x = 0;
102 src_y = av_clip(src_y, -8, s->height >> 1);
103 if (src_y == s->height >> 1)
104 motion_y = 0;
3ada94ba
BF
105
106 offset = (src_y * uvlinesize) + src_x;
a84616b7 107 ptr = ref_picture[1] + offset;
ebfe622b
AK
108 if ((unsigned)src_x >= FFMAX((s->h_edge_pos >> 1) - 9, 0) ||
109 (unsigned)src_y >= FFMAX((s->v_edge_pos >> 1) - 9, 0)) {
110 s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr,
111 uvlinesize, uvlinesize,
112 9, 9,
113 src_x, src_y,
114 s->h_edge_pos >> 1, s->v_edge_pos >> 1);
115 ptr = s->edge_emu_buffer;
116 emu = 1;
3ada94ba 117 }
a84616b7
LB
118 s->dsp.gmc1(dest_cb, ptr, uvlinesize, 8,
119 motion_x & 15, motion_y & 15, 128 - s->no_rounding);
3ada94ba
BF
120
121 ptr = ref_picture[2] + offset;
a84616b7
LB
122 if (emu) {
123 s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr,
458446ac 124 uvlinesize, uvlinesize,
a84616b7
LB
125 9, 9,
126 src_x, src_y,
127 s->h_edge_pos >> 1, s->v_edge_pos >> 1);
128 ptr = s->edge_emu_buffer;
3ada94ba 129 }
a84616b7
LB
130 s->dsp.gmc1(dest_cr, ptr, uvlinesize, 8,
131 motion_x & 15, motion_y & 15, 128 - s->no_rounding);
3ada94ba
BF
132}
133
66f5a6b4
MR
134static void gmc_motion(MpegEncContext *s,
135 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
136 uint8_t **ref_picture)
3ada94ba
BF
137{
138 uint8_t *ptr;
139 int linesize, uvlinesize;
a84616b7 140 const int a = s->sprite_warping_accuracy;
3ada94ba
BF
141 int ox, oy;
142
a84616b7 143 linesize = s->linesize;
3ada94ba
BF
144 uvlinesize = s->uvlinesize;
145
146 ptr = ref_picture[0];
147
a84616b7
LB
148 ox = s->sprite_offset[0][0] + s->sprite_delta[0][0] * s->mb_x * 16 +
149 s->sprite_delta[0][1] * s->mb_y * 16;
150 oy = s->sprite_offset[0][1] + s->sprite_delta[1][0] * s->mb_x * 16 +
151 s->sprite_delta[1][1] * s->mb_y * 16;
3ada94ba
BF
152
153 s->dsp.gmc(dest_y, ptr, linesize, 16,
a84616b7
LB
154 ox, oy,
155 s->sprite_delta[0][0], s->sprite_delta[0][1],
156 s->sprite_delta[1][0], s->sprite_delta[1][1],
157 a + 1, (1 << (2 * a + 1)) - s->no_rounding,
158 s->h_edge_pos, s->v_edge_pos);
159 s->dsp.gmc(dest_y + 8, ptr, linesize, 16,
160 ox + s->sprite_delta[0][0] * 8,
161 oy + s->sprite_delta[1][0] * 8,
162 s->sprite_delta[0][0], s->sprite_delta[0][1],
163 s->sprite_delta[1][0], s->sprite_delta[1][1],
164 a + 1, (1 << (2 * a + 1)) - s->no_rounding,
165 s->h_edge_pos, s->v_edge_pos);
166
167 if (CONFIG_GRAY && s->flags & CODEC_FLAG_GRAY)
168 return;
169
170 ox = s->sprite_offset[1][0] + s->sprite_delta[0][0] * s->mb_x * 8 +
171 s->sprite_delta[0][1] * s->mb_y * 8;
172 oy = s->sprite_offset[1][1] + s->sprite_delta[1][0] * s->mb_x * 8 +
173 s->sprite_delta[1][1] * s->mb_y * 8;
3ada94ba
BF
174
175 ptr = ref_picture[1];
176 s->dsp.gmc(dest_cb, ptr, uvlinesize, 8,
a84616b7
LB
177 ox, oy,
178 s->sprite_delta[0][0], s->sprite_delta[0][1],
179 s->sprite_delta[1][0], s->sprite_delta[1][1],
180 a + 1, (1 << (2 * a + 1)) - s->no_rounding,
181 s->h_edge_pos >> 1, s->v_edge_pos >> 1);
3ada94ba
BF
182
183 ptr = ref_picture[2];
184 s->dsp.gmc(dest_cr, ptr, uvlinesize, 8,
a84616b7
LB
185 ox, oy,
186 s->sprite_delta[0][0], s->sprite_delta[0][1],
187 s->sprite_delta[1][0], s->sprite_delta[1][1],
188 a + 1, (1 << (2 * a + 1)) - s->no_rounding,
189 s->h_edge_pos >> 1, s->v_edge_pos >> 1);
3ada94ba
BF
190}
191
192static inline int hpel_motion(MpegEncContext *s,
a84616b7
LB
193 uint8_t *dest, uint8_t *src,
194 int src_x, int src_y,
195 op_pixels_func *pix_op,
196 int motion_x, int motion_y)
3ada94ba 197{
5e39bb07 198 int dxy = 0;
a84616b7 199 int emu = 0;
3ada94ba 200
3ada94ba
BF
201 src_x += motion_x >> 1;
202 src_y += motion_y >> 1;
203
204 /* WARNING: do no forget half pels */
a84616b7 205 src_x = av_clip(src_x, -16, s->width); // FIXME unneeded for emu?
5e39bb07
MR
206 if (src_x != s->width)
207 dxy |= motion_x & 1;
2568646a 208 src_y = av_clip(src_y, -16, s->height);
5e39bb07
MR
209 if (src_y != s->height)
210 dxy |= (motion_y & 1) << 1;
2568646a 211 src += src_y * s->linesize + src_x;
3ada94ba 212
ebfe622b 213 if (s->unrestricted_mv) {
a84616b7
LB
214 if ((unsigned)src_x > FFMAX(s->h_edge_pos - (motion_x & 1) - 8, 0) ||
215 (unsigned)src_y > FFMAX(s->v_edge_pos - (motion_y & 1) - 8, 0)) {
216 s->vdsp.emulated_edge_mc(s->edge_emu_buffer, src,
458446ac 217 s->linesize, s->linesize,
a84616b7
LB
218 9, 9,
219 src_x, src_y, s->h_edge_pos,
220 s->v_edge_pos);
221 src = s->edge_emu_buffer;
222 emu = 1;
3ada94ba
BF
223 }
224 }
2568646a 225 pix_op[dxy](dest, src, s->linesize, 8);
3ada94ba
BF
226 return emu;
227}
228
08c9bfba 229static av_always_inline
bd7c626a 230void mpeg_motion_internal(MpegEncContext *s,
a84616b7
LB
231 uint8_t *dest_y,
232 uint8_t *dest_cb,
233 uint8_t *dest_cr,
234 int field_based,
235 int bottom_field,
236 int field_select,
237 uint8_t **ref_picture,
238 op_pixels_func (*pix_op)[4],
239 int motion_x,
240 int motion_y,
241 int h,
242 int is_mpeg12,
243 int mb_y)
3ada94ba
BF
244{
245 uint8_t *ptr_y, *ptr_cb, *ptr_cr;
08c9bfba 246 int dxy, uvdxy, mx, my, src_x, src_y,
a711a2cb
MS
247 uvsrc_x, uvsrc_y, v_edge_pos;
248 ptrdiff_t uvlinesize, linesize;
3ada94ba
BF
249
250#if 0
a84616b7
LB
251 if (s->quarter_sample) {
252 motion_x >>= 1;
253 motion_y >>= 1;
254 }
3ada94ba
BF
255#endif
256
257 v_edge_pos = s->v_edge_pos >> field_based;
f6774f90 258 linesize = s->current_picture.f->linesize[0] << field_based;
259 uvlinesize = s->current_picture.f->linesize[1] << field_based;
3ada94ba 260
a84616b7
LB
261 dxy = ((motion_y & 1) << 1) | (motion_x & 1);
262 src_x = s->mb_x * 16 + (motion_x >> 1);
263 src_y = (mb_y << (4 - field_based)) + (motion_y >> 1);
3ada94ba 264
bd7c626a 265 if (!is_mpeg12 && s->out_format == FMT_H263) {
a84616b7
LB
266 if ((s->workaround_bugs & FF_BUG_HPEL_CHROMA) && field_based) {
267 mx = (motion_x >> 1) | (motion_x & 1);
268 my = motion_y >> 1;
269 uvdxy = ((my & 1) << 1) | (mx & 1);
270 uvsrc_x = s->mb_x * 8 + (mx >> 1);
271 uvsrc_y = (mb_y << (3 - field_based)) + (my >> 1);
272 } else {
273 uvdxy = dxy | (motion_y & 2) | ((motion_x & 2) >> 1);
274 uvsrc_x = src_x >> 1;
275 uvsrc_y = src_y >> 1;
3ada94ba 276 }
a84616b7
LB
277 // Even chroma mv's are full pel in H261
278 } else if (!is_mpeg12 && s->out_format == FMT_H261) {
279 mx = motion_x / 4;
280 my = motion_y / 4;
281 uvdxy = 0;
282 uvsrc_x = s->mb_x * 8 + mx;
283 uvsrc_y = mb_y * 8 + my;
3ada94ba 284 } else {
a84616b7
LB
285 if (s->chroma_y_shift) {
286 mx = motion_x / 2;
287 my = motion_y / 2;
288 uvdxy = ((my & 1) << 1) | (mx & 1);
289 uvsrc_x = s->mb_x * 8 + (mx >> 1);
290 uvsrc_y = (mb_y << (3 - field_based)) + (my >> 1);
3ada94ba 291 } else {
a84616b7
LB
292 if (s->chroma_x_shift) {
293 // Chroma422
294 mx = motion_x / 2;
295 uvdxy = ((motion_y & 1) << 1) | (mx & 1);
296 uvsrc_x = s->mb_x * 8 + (mx >> 1);
3ada94ba
BF
297 uvsrc_y = src_y;
298 } else {
a84616b7
LB
299 // Chroma444
300 uvdxy = dxy;
3ada94ba
BF
301 uvsrc_x = src_x;
302 uvsrc_y = src_y;
303 }
304 }
305 }
306
307 ptr_y = ref_picture[0] + src_y * linesize + src_x;
308 ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x;
309 ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x;
310
a84616b7
LB
311 if ((unsigned)src_x > FFMAX(s->h_edge_pos - (motion_x & 1) - 16, 0) ||
312 (unsigned)src_y > FFMAX(v_edge_pos - (motion_y & 1) - h, 0)) {
313 if (is_mpeg12 ||
314 s->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
315 s->codec_id == AV_CODEC_ID_MPEG1VIDEO) {
316 av_log(s->avctx, AV_LOG_DEBUG,
317 "MPEG motion vector out of boundary (%d %d)\n", src_x,
318 src_y);
319 return;
320 }
321 s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr_y,
458446ac 322 s->linesize, s->linesize,
a84616b7
LB
323 17, 17 + field_based,
324 src_x, src_y << field_based,
325 s->h_edge_pos, s->v_edge_pos);
326 ptr_y = s->edge_emu_buffer;
327 if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) {
328 uint8_t *uvbuf = s->edge_emu_buffer + 18 * s->linesize;
329 s->vdsp.emulated_edge_mc(uvbuf, ptr_cb,
458446ac 330 s->uvlinesize, s->uvlinesize,
a84616b7
LB
331 9, 9 + field_based,
332 uvsrc_x, uvsrc_y << field_based,
333 s->h_edge_pos >> 1, s->v_edge_pos >> 1);
334 s->vdsp.emulated_edge_mc(uvbuf + 16, ptr_cr,
458446ac 335 s->uvlinesize, s->uvlinesize,
a84616b7
LB
336 9, 9 + field_based,
337 uvsrc_x, uvsrc_y << field_based,
338 s->h_edge_pos >> 1, s->v_edge_pos >> 1);
339 ptr_cb = uvbuf;
340 ptr_cr = uvbuf + 16;
341 }
3ada94ba
BF
342 }
343
a84616b7
LB
344 /* FIXME use this for field pix too instead of the obnoxious hack which
345 * changes picture.data */
346 if (bottom_field) {
347 dest_y += s->linesize;
348 dest_cb += s->uvlinesize;
349 dest_cr += s->uvlinesize;
3ada94ba
BF
350 }
351
a84616b7
LB
352 if (field_select) {
353 ptr_y += s->linesize;
354 ptr_cb += s->uvlinesize;
355 ptr_cr += s->uvlinesize;
3ada94ba
BF
356 }
357
358 pix_op[0][dxy](dest_y, ptr_y, linesize, h);
359
a84616b7 360 if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) {
08c9bfba 361 pix_op[s->chroma_x_shift][uvdxy]
a84616b7 362 (dest_cb, ptr_cb, uvlinesize, h >> s->chroma_y_shift);
08c9bfba 363 pix_op[s->chroma_x_shift][uvdxy]
a84616b7 364 (dest_cr, ptr_cr, uvlinesize, h >> s->chroma_y_shift);
3ada94ba 365 }
a84616b7
LB
366 if (!is_mpeg12 && (CONFIG_H261_ENCODER || CONFIG_H261_DECODER) &&
367 s->out_format == FMT_H261) {
3ada94ba
BF
368 ff_h261_loop_filter(s);
369 }
370}
bd7c626a 371/* apply one mpeg motion vector to the three components */
f69f4036
MR
372static void mpeg_motion(MpegEncContext *s,
373 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
374 int field_select, uint8_t **ref_picture,
375 op_pixels_func (*pix_op)[4],
376 int motion_x, int motion_y, int h, int mb_y)
bd7c626a 377{
b250f9c6 378#if !CONFIG_SMALL
a84616b7 379 if (s->out_format == FMT_MPEG1)
f69f4036 380 mpeg_motion_internal(s, dest_y, dest_cb, dest_cr, 0, 0,
a84616b7
LB
381 field_select, ref_picture, pix_op,
382 motion_x, motion_y, h, 1, mb_y);
f69f4036
MR
383 else
384#endif
385 mpeg_motion_internal(s, dest_y, dest_cb, dest_cr, 0, 0,
a84616b7
LB
386 field_select, ref_picture, pix_op,
387 motion_x, motion_y, h, 0, mb_y);
f69f4036
MR
388}
389
390static void mpeg_motion_field(MpegEncContext *s, uint8_t *dest_y,
391 uint8_t *dest_cb, uint8_t *dest_cr,
392 int bottom_field, int field_select,
393 uint8_t **ref_picture,
394 op_pixels_func (*pix_op)[4],
395 int motion_x, int motion_y, int h, int mb_y)
396{
397#if !CONFIG_SMALL
398 if(s->out_format == FMT_MPEG1)
399 mpeg_motion_internal(s, dest_y, dest_cb, dest_cr, 1,
a84616b7
LB
400 bottom_field, field_select, ref_picture, pix_op,
401 motion_x, motion_y, h, 1, mb_y);
bd7c626a
KC
402 else
403#endif
f69f4036 404 mpeg_motion_internal(s, dest_y, dest_cb, dest_cr, 1,
a84616b7
LB
405 bottom_field, field_select, ref_picture, pix_op,
406 motion_x, motion_y, h, 0, mb_y);
bd7c626a 407}
3ada94ba 408
831a1180 409// FIXME: SIMDify, avg variant, 16x16 version
a84616b7
LB
410static inline void put_obmc(uint8_t *dst, uint8_t *src[5], int stride)
411{
3ada94ba 412 int x;
a84616b7
LB
413 uint8_t *const top = src[1];
414 uint8_t *const left = src[2];
415 uint8_t *const mid = src[0];
416 uint8_t *const right = src[3];
417 uint8_t *const bottom = src[4];
3ada94ba
BF
418#define OBMC_FILTER(x, t, l, m, r, b)\
419 dst[x]= (t*top[x] + l*left[x] + m*mid[x] + r*right[x] + b*bottom[x] + 4)>>3
420#define OBMC_FILTER4(x, t, l, m, r, b)\
421 OBMC_FILTER(x , t, l, m, r, b);\
422 OBMC_FILTER(x+1 , t, l, m, r, b);\
423 OBMC_FILTER(x +stride, t, l, m, r, b);\
424 OBMC_FILTER(x+1+stride, t, l, m, r, b);
425
a84616b7
LB
426 x = 0;
427 OBMC_FILTER (x , 2, 2, 4, 0, 0);
428 OBMC_FILTER (x + 1, 2, 1, 5, 0, 0);
429 OBMC_FILTER4(x + 2, 2, 1, 5, 0, 0);
430 OBMC_FILTER4(x + 4, 2, 0, 5, 1, 0);
431 OBMC_FILTER (x + 6, 2, 0, 5, 1, 0);
432 OBMC_FILTER (x + 7, 2, 0, 4, 2, 0);
433 x += stride;
434 OBMC_FILTER (x , 1, 2, 5, 0, 0);
435 OBMC_FILTER (x + 1, 1, 2, 5, 0, 0);
436 OBMC_FILTER (x + 6, 1, 0, 5, 2, 0);
437 OBMC_FILTER (x + 7, 1, 0, 5, 2, 0);
438 x += stride;
439 OBMC_FILTER4(x , 1, 2, 5, 0, 0);
440 OBMC_FILTER4(x + 2, 1, 1, 6, 0, 0);
441 OBMC_FILTER4(x + 4, 1, 0, 6, 1, 0);
442 OBMC_FILTER4(x + 6, 1, 0, 5, 2, 0);
443 x += 2 * stride;
444 OBMC_FILTER4(x , 0, 2, 5, 0, 1);
445 OBMC_FILTER4(x + 2, 0, 1, 6, 0, 1);
446 OBMC_FILTER4(x + 4, 0, 0, 6, 1, 1);
447 OBMC_FILTER4(x + 6, 0, 0, 5, 2, 1);
448 x += 2*stride;
449 OBMC_FILTER (x , 0, 2, 5, 0, 1);
450 OBMC_FILTER (x + 1, 0, 2, 5, 0, 1);
451 OBMC_FILTER4(x + 2, 0, 1, 5, 0, 2);
452 OBMC_FILTER4(x + 4, 0, 0, 5, 1, 2);
453 OBMC_FILTER (x + 6, 0, 0, 5, 2, 1);
454 OBMC_FILTER (x + 7, 0, 0, 5, 2, 1);
455 x += stride;
456 OBMC_FILTER (x , 0, 2, 4, 0, 2);
457 OBMC_FILTER (x + 1, 0, 1, 5, 0, 2);
458 OBMC_FILTER (x + 6, 0, 0, 5, 1, 2);
459 OBMC_FILTER (x + 7, 0, 0, 4, 2, 2);
3ada94ba
BF
460}
461
462/* obmc for 1 8x8 luma block */
463static inline void obmc_motion(MpegEncContext *s,
464 uint8_t *dest, uint8_t *src,
465 int src_x, int src_y,
466 op_pixels_func *pix_op,
a84616b7 467 int16_t mv[5][2] /* mid top left right bottom */)
3ada94ba
BF
468#define MID 0
469{
470 int i;
471 uint8_t *ptr[5];
472
a84616b7 473 assert(s->quarter_sample == 0);
3ada94ba 474
a84616b7
LB
475 for (i = 0; i < 5; i++) {
476 if (i && mv[i][0] == mv[MID][0] && mv[i][1] == mv[MID][1]) {
477 ptr[i] = ptr[MID];
478 } else {
479 ptr[i] = s->obmc_scratchpad + 8 * (i & 1) +
480 s->linesize * 8 * (i >> 1);
481 hpel_motion(s, ptr[i], src, src_x, src_y, pix_op,
3ada94ba
BF
482 mv[i][0], mv[i][1]);
483 }
484 }
485
486 put_obmc(dest, ptr, s->linesize);
487}
488
489static inline void qpel_motion(MpegEncContext *s,
a84616b7
LB
490 uint8_t *dest_y,
491 uint8_t *dest_cb,
492 uint8_t *dest_cr,
493 int field_based, int bottom_field,
494 int field_select, uint8_t **ref_picture,
495 op_pixels_func (*pix_op)[4],
3ada94ba
BF
496 qpel_mc_func (*qpix_op)[16],
497 int motion_x, int motion_y, int h)
498{
499 uint8_t *ptr_y, *ptr_cb, *ptr_cr;
93f30547
RB
500 int dxy, uvdxy, mx, my, src_x, src_y, uvsrc_x, uvsrc_y, v_edge_pos;
501 ptrdiff_t linesize, uvlinesize;
3ada94ba 502
a84616b7
LB
503 dxy = ((motion_y & 3) << 2) | (motion_x & 3);
504
3ada94ba
BF
505 src_x = s->mb_x * 16 + (motion_x >> 2);
506 src_y = s->mb_y * (16 >> field_based) + (motion_y >> 2);
507
508 v_edge_pos = s->v_edge_pos >> field_based;
a84616b7 509 linesize = s->linesize << field_based;
3ada94ba
BF
510 uvlinesize = s->uvlinesize << field_based;
511
a84616b7
LB
512 if (field_based) {
513 mx = motion_x / 2;
514 my = motion_y >> 1;
515 } else if (s->workaround_bugs & FF_BUG_QPEL_CHROMA2) {
516 static const int rtab[8] = { 0, 0, 1, 1, 0, 0, 0, 1 };
517 mx = (motion_x >> 1) + rtab[motion_x & 7];
518 my = (motion_y >> 1) + rtab[motion_y & 7];
519 } else if (s->workaround_bugs & FF_BUG_QPEL_CHROMA) {
520 mx = (motion_x >> 1) | (motion_x & 1);
521 my = (motion_y >> 1) | (motion_y & 1);
522 } else {
523 mx = motion_x / 2;
524 my = motion_y / 2;
3ada94ba 525 }
a84616b7
LB
526 mx = (mx >> 1) | (mx & 1);
527 my = (my >> 1) | (my & 1);
3ada94ba 528
a84616b7
LB
529 uvdxy = (mx & 1) | ((my & 1) << 1);
530 mx >>= 1;
531 my >>= 1;
3ada94ba
BF
532
533 uvsrc_x = s->mb_x * 8 + mx;
534 uvsrc_y = s->mb_y * (8 >> field_based) + my;
535
a84616b7 536 ptr_y = ref_picture[0] + src_y * linesize + src_x;
3ada94ba
BF
537 ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x;
538 ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x;
539
a84616b7
LB
540 if ((unsigned)src_x > FFMAX(s->h_edge_pos - (motion_x & 3) - 16, 0) ||
541 (unsigned)src_y > FFMAX(v_edge_pos - (motion_y & 3) - h, 0)) {
542 s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr_y,
458446ac 543 s->linesize, s->linesize,
a84616b7
LB
544 17, 17 + field_based,
545 src_x, src_y << field_based,
546 s->h_edge_pos, s->v_edge_pos);
547 ptr_y = s->edge_emu_buffer;
548 if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) {
549 uint8_t *uvbuf = s->edge_emu_buffer + 18 * s->linesize;
550 s->vdsp.emulated_edge_mc(uvbuf, ptr_cb,
458446ac 551 s->uvlinesize, s->uvlinesize,
a84616b7
LB
552 9, 9 + field_based,
553 uvsrc_x, uvsrc_y << field_based,
554 s->h_edge_pos >> 1, s->v_edge_pos >> 1);
555 s->vdsp.emulated_edge_mc(uvbuf + 16, ptr_cr,
458446ac 556 s->uvlinesize, s->uvlinesize,
a84616b7
LB
557 9, 9 + field_based,
558 uvsrc_x, uvsrc_y << field_based,
559 s->h_edge_pos >> 1, s->v_edge_pos >> 1);
560 ptr_cb = uvbuf;
561 ptr_cr = uvbuf + 16;
3ada94ba
BF
562 }
563 }
564
a84616b7 565 if (!field_based)
3ada94ba 566 qpix_op[0][dxy](dest_y, ptr_y, linesize);
a84616b7
LB
567 else {
568 if (bottom_field) {
569 dest_y += s->linesize;
570 dest_cb += s->uvlinesize;
571 dest_cr += s->uvlinesize;
3ada94ba
BF
572 }
573
a84616b7 574 if (field_select) {
3ada94ba
BF
575 ptr_y += s->linesize;
576 ptr_cb += s->uvlinesize;
577 ptr_cr += s->uvlinesize;
578 }
a84616b7
LB
579 // damn interlaced mode
580 // FIXME boundary mirroring is not exactly correct here
581 qpix_op[1][dxy](dest_y, ptr_y, linesize);
582 qpix_op[1][dxy](dest_y + 8, ptr_y + 8, linesize);
3ada94ba 583 }
a84616b7 584 if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) {
3ada94ba
BF
585 pix_op[1][uvdxy](dest_cr, ptr_cr, uvlinesize, h >> 1);
586 pix_op[1][uvdxy](dest_cb, ptr_cb, uvlinesize, h >> 1);
587 }
588}
589
590/**
b9ca2042 591 * h263 chroma 4mv motion compensation.
3ada94ba 592 */
66f5a6b4
MR
593static void chroma_4mv_motion(MpegEncContext *s,
594 uint8_t *dest_cb, uint8_t *dest_cr,
595 uint8_t **ref_picture,
596 op_pixels_func *pix_op,
597 int mx, int my)
598{
3ada94ba 599 uint8_t *ptr;
93f30547
RB
600 int src_x, src_y, dxy, emu = 0;
601 ptrdiff_t offset;
3ada94ba
BF
602
603 /* In case of 8X8, we construct a single chroma motion vector
a84616b7
LB
604 * with a special rounding */
605 mx = ff_h263_round_chroma(mx);
606 my = ff_h263_round_chroma(my);
3ada94ba 607
a84616b7 608 dxy = ((my & 1) << 1) | (mx & 1);
3ada94ba
BF
609 mx >>= 1;
610 my >>= 1;
611
612 src_x = s->mb_x * 8 + mx;
613 src_y = s->mb_y * 8 + my;
c31a25e7
JGG
614 src_x = av_clip(src_x, -8, (s->width >> 1));
615 if (src_x == (s->width >> 1))
3ada94ba 616 dxy &= ~1;
c31a25e7
JGG
617 src_y = av_clip(src_y, -8, (s->height >> 1));
618 if (src_y == (s->height >> 1))
3ada94ba
BF
619 dxy &= ~2;
620
ee41963f 621 offset = src_y * s->uvlinesize + src_x;
a84616b7 622 ptr = ref_picture[1] + offset;
ebfe622b
AK
623 if ((unsigned)src_x > FFMAX((s->h_edge_pos >> 1) - (dxy & 1) - 8, 0) ||
624 (unsigned)src_y > FFMAX((s->v_edge_pos >> 1) - (dxy >> 1) - 8, 0)) {
625 s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr,
626 s->uvlinesize, s->uvlinesize,
627 9, 9, src_x, src_y,
628 s->h_edge_pos >> 1, s->v_edge_pos >> 1);
629 ptr = s->edge_emu_buffer;
630 emu = 1;
3ada94ba
BF
631 }
632 pix_op[dxy](dest_cb, ptr, s->uvlinesize, 8);
633
634 ptr = ref_picture[2] + offset;
a84616b7 635 if (emu) {
458446ac
RB
636 s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr,
637 s->uvlinesize, s->uvlinesize,
a84616b7
LB
638 9, 9, src_x, src_y,
639 s->h_edge_pos >> 1, s->v_edge_pos >> 1);
640 ptr = s->edge_emu_buffer;
3ada94ba
BF
641 }
642 pix_op[dxy](dest_cr, ptr, s->uvlinesize, 8);
643}
644
a84616b7
LB
645static inline void prefetch_motion(MpegEncContext *s, uint8_t **pix, int dir)
646{
3ada94ba
BF
647 /* fetch pixels for estimated mv 4 macroblocks ahead
648 * optimized for 64byte cache lines */
649 const int shift = s->quarter_sample ? 2 : 1;
a84616b7
LB
650 const int mx = (s->mv[dir][0][0] >> shift) + 16 * s->mb_x + 8;
651 const int my = (s->mv[dir][0][1] >> shift) + 16 * s->mb_y;
652 int off = mx + (my + (s->mb_x & 3) * 4) * s->linesize + 64;
653
654 s->vdsp.prefetch(pix[0] + off, s->linesize, 4);
655 off = (mx >> 1) + ((my >> 1) + (s->mb_x & 7)) * s->uvlinesize + 64;
656 s->vdsp.prefetch(pix[1] + off, pix[2] - pix[1], 2);
3ada94ba
BF
657}
658
95587859
LB
659static inline void apply_obmc(MpegEncContext *s,
660 uint8_t *dest_y,
661 uint8_t *dest_cb,
662 uint8_t *dest_cr,
663 uint8_t **ref_picture,
664 op_pixels_func (*pix_op)[4])
665{
666 LOCAL_ALIGNED_8(int16_t, mv_cache, [4], [4][2]);
667 Picture *cur_frame = &s->current_picture;
668 int mb_x = s->mb_x;
669 int mb_y = s->mb_y;
670 const int xy = mb_x + mb_y * s->mb_stride;
671 const int mot_stride = s->b8_stride;
672 const int mot_xy = mb_x * 2 + mb_y * 2 * mot_stride;
673 int mx, my, i;
674
675 assert(!s->mb_skipped);
676
677 AV_COPY32(mv_cache[1][1], cur_frame->motion_val[0][mot_xy]);
678 AV_COPY32(mv_cache[1][2], cur_frame->motion_val[0][mot_xy + 1]);
679
680 AV_COPY32(mv_cache[2][1],
681 cur_frame->motion_val[0][mot_xy + mot_stride]);
682 AV_COPY32(mv_cache[2][2],
683 cur_frame->motion_val[0][mot_xy + mot_stride + 1]);
684
685 AV_COPY32(mv_cache[3][1],
686 cur_frame->motion_val[0][mot_xy + mot_stride]);
687 AV_COPY32(mv_cache[3][2],
688 cur_frame->motion_val[0][mot_xy + mot_stride + 1]);
689
690 if (mb_y == 0 || IS_INTRA(cur_frame->mb_type[xy - s->mb_stride])) {
691 AV_COPY32(mv_cache[0][1], mv_cache[1][1]);
692 AV_COPY32(mv_cache[0][2], mv_cache[1][2]);
693 } else {
694 AV_COPY32(mv_cache[0][1],
695 cur_frame->motion_val[0][mot_xy - mot_stride]);
696 AV_COPY32(mv_cache[0][2],
697 cur_frame->motion_val[0][mot_xy - mot_stride + 1]);
698 }
699
700 if (mb_x == 0 || IS_INTRA(cur_frame->mb_type[xy - 1])) {
701 AV_COPY32(mv_cache[1][0], mv_cache[1][1]);
702 AV_COPY32(mv_cache[2][0], mv_cache[2][1]);
703 } else {
704 AV_COPY32(mv_cache[1][0], cur_frame->motion_val[0][mot_xy - 1]);
705 AV_COPY32(mv_cache[2][0],
706 cur_frame->motion_val[0][mot_xy - 1 + mot_stride]);
707 }
708
709 if (mb_x + 1 >= s->mb_width || IS_INTRA(cur_frame->mb_type[xy + 1])) {
710 AV_COPY32(mv_cache[1][3], mv_cache[1][2]);
711 AV_COPY32(mv_cache[2][3], mv_cache[2][2]);
712 } else {
713 AV_COPY32(mv_cache[1][3], cur_frame->motion_val[0][mot_xy + 2]);
714 AV_COPY32(mv_cache[2][3],
715 cur_frame->motion_val[0][mot_xy + 2 + mot_stride]);
716 }
717
718 mx = 0;
719 my = 0;
720 for (i = 0; i < 4; i++) {
721 const int x = (i & 1) + 1;
722 const int y = (i >> 1) + 1;
723 int16_t mv[5][2] = {
724 { mv_cache[y][x][0], mv_cache[y][x][1] },
725 { mv_cache[y - 1][x][0], mv_cache[y - 1][x][1] },
726 { mv_cache[y][x - 1][0], mv_cache[y][x - 1][1] },
727 { mv_cache[y][x + 1][0], mv_cache[y][x + 1][1] },
728 { mv_cache[y + 1][x][0], mv_cache[y + 1][x][1] }
729 };
730 // FIXME cleanup
731 obmc_motion(s, dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize,
732 ref_picture[0],
733 mb_x * 16 + (i & 1) * 8, mb_y * 16 + (i >> 1) * 8,
734 pix_op[1],
735 mv);
736
737 mx += mv[0][0];
738 my += mv[0][1];
739 }
740 if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY))
741 chroma_4mv_motion(s, dest_cb, dest_cr,
742 ref_picture, pix_op[1],
743 mx, my);
744}
745
825c7c62
LB
746static inline void apply_8x8(MpegEncContext *s,
747 uint8_t *dest_y,
748 uint8_t *dest_cb,
749 uint8_t *dest_cr,
750 int dir,
751 uint8_t **ref_picture,
752 qpel_mc_func (*qpix_op)[16],
753 op_pixels_func (*pix_op)[4])
754{
755 int dxy, mx, my, src_x, src_y;
756 int i;
757 int mb_x = s->mb_x;
758 int mb_y = s->mb_y;
759 uint8_t *ptr, *dest;
760
761 mx = 0;
762 my = 0;
763 if (s->quarter_sample) {
764 for (i = 0; i < 4; i++) {
765 int motion_x = s->mv[dir][i][0];
766 int motion_y = s->mv[dir][i][1];
767
768 dxy = ((motion_y & 3) << 2) | (motion_x & 3);
769 src_x = mb_x * 16 + (motion_x >> 2) + (i & 1) * 8;
770 src_y = mb_y * 16 + (motion_y >> 2) + (i >> 1) * 8;
771
772 /* WARNING: do no forget half pels */
773 src_x = av_clip(src_x, -16, s->width);
774 if (src_x == s->width)
775 dxy &= ~3;
776 src_y = av_clip(src_y, -16, s->height);
777 if (src_y == s->height)
778 dxy &= ~12;
779
780 ptr = ref_picture[0] + (src_y * s->linesize) + (src_x);
ebfe622b
AK
781 if ((unsigned)src_x > FFMAX(s->h_edge_pos - (motion_x & 3) - 8, 0) ||
782 (unsigned)src_y > FFMAX(s->v_edge_pos - (motion_y & 3) - 8, 0)) {
783 s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr,
784 s->linesize, s->linesize,
785 9, 9,
786 src_x, src_y,
787 s->h_edge_pos,
788 s->v_edge_pos);
789 ptr = s->edge_emu_buffer;
825c7c62
LB
790 }
791 dest = dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize;
792 qpix_op[1][dxy](dest, ptr, s->linesize);
793
794 mx += s->mv[dir][i][0] / 2;
795 my += s->mv[dir][i][1] / 2;
796 }
797 } else {
798 for (i = 0; i < 4; i++) {
799 hpel_motion(s,
800 dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize,
801 ref_picture[0],
802 mb_x * 16 + (i & 1) * 8,
803 mb_y * 16 + (i >> 1) * 8,
804 pix_op[1],
805 s->mv[dir][i][0],
806 s->mv[dir][i][1]);
807
808 mx += s->mv[dir][i][0];
809 my += s->mv[dir][i][1];
810 }
811 }
812
813 if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY))
814 chroma_4mv_motion(s, dest_cb, dest_cr,
815 ref_picture, pix_op[1], mx, my);
816}
817
3ada94ba
BF
818/**
819 * motion compensation of a single macroblock
820 * @param s context
821 * @param dest_y luma destination pointer
822 * @param dest_cb chroma cb/u destination pointer
823 * @param dest_cr chroma cr/v destination pointer
824 * @param dir direction (0->forward, 1->backward)
825 * @param ref_picture array[3] of pointers to the 3 planes of the reference picture
9a58234f
DB
826 * @param pix_op halfpel motion compensation function (average or put normally)
827 * @param qpix_op qpel motion compensation function (average or put normally)
3ada94ba
BF
828 * the motion vectors are taken from s->mv and the MV type from s->mv_type
829 */
b1d31e2f 830static av_always_inline void MPV_motion_internal(MpegEncContext *s,
a84616b7
LB
831 uint8_t *dest_y,
832 uint8_t *dest_cb,
833 uint8_t *dest_cr,
834 int dir,
835 uint8_t **ref_picture,
836 op_pixels_func (*pix_op)[4],
837 qpel_mc_func (*qpix_op)[16],
838 int is_mpeg12)
3ada94ba 839{
825c7c62
LB
840 int i;
841 int mb_y = s->mb_y;
3ada94ba
BF
842
843 prefetch_motion(s, ref_picture, dir);
844
a84616b7 845 if (!is_mpeg12 && s->obmc && s->pict_type != AV_PICTURE_TYPE_B) {
95587859 846 apply_obmc(s, dest_y, dest_cb, dest_cr, ref_picture, pix_op);
3ada94ba
BF
847 return;
848 }
849
a84616b7 850 switch (s->mv_type) {
3ada94ba 851 case MV_TYPE_16X16:
a84616b7
LB
852 if (s->mcsel) {
853 if (s->real_sprite_warping_points == 1) {
3ada94ba
BF
854 gmc1_motion(s, dest_y, dest_cb, dest_cr,
855 ref_picture);
a84616b7 856 } else {
3ada94ba 857 gmc_motion(s, dest_y, dest_cb, dest_cr,
a84616b7 858 ref_picture);
3ada94ba 859 }
a84616b7 860 } else if (!is_mpeg12 && s->quarter_sample) {
3ada94ba
BF
861 qpel_motion(s, dest_y, dest_cb, dest_cr,
862 0, 0, 0,
863 ref_picture, pix_op, qpix_op,
864 s->mv[dir][0][0], s->mv[dir][0][1], 16);
18f2d5cb 865 } else if (!is_mpeg12 && (CONFIG_WMV2_DECODER || CONFIG_WMV2_ENCODER) &&
36ef5369 866 s->mspel && s->codec_id == AV_CODEC_ID_WMV2) {
3ada94ba 867 ff_mspel_motion(s, dest_y, dest_cb, dest_cr,
a84616b7
LB
868 ref_picture, pix_op,
869 s->mv[dir][0][0], s->mv[dir][0][1], 16);
870 } else {
f69f4036 871 mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
3ada94ba 872 ref_picture, pix_op,
078cdecf 873 s->mv[dir][0][0], s->mv[dir][0][1], 16, mb_y);
3ada94ba
BF
874 }
875 break;
876 case MV_TYPE_8X8:
825c7c62
LB
877 if (!is_mpeg12)
878 apply_8x8(s, dest_y, dest_cb, dest_cr,
879 dir, ref_picture, qpix_op, pix_op);
3ada94ba
BF
880 break;
881 case MV_TYPE_FIELD:
882 if (s->picture_structure == PICT_FRAME) {
a84616b7
LB
883 if (!is_mpeg12 && s->quarter_sample) {
884 for (i = 0; i < 2; i++)
3ada94ba
BF
885 qpel_motion(s, dest_y, dest_cb, dest_cr,
886 1, i, s->field_select[dir][i],
887 ref_picture, pix_op, qpix_op,
888 s->mv[dir][i][0], s->mv[dir][i][1], 8);
a84616b7 889 } else {
3ada94ba 890 /* top field */
f69f4036
MR
891 mpeg_motion_field(s, dest_y, dest_cb, dest_cr,
892 0, s->field_select[dir][0],
893 ref_picture, pix_op,
894 s->mv[dir][0][0], s->mv[dir][0][1], 8, mb_y);
3ada94ba 895 /* bottom field */
f69f4036
MR
896 mpeg_motion_field(s, dest_y, dest_cb, dest_cr,
897 1, s->field_select[dir][1],
898 ref_picture, pix_op,
899 s->mv[dir][1][0], s->mv[dir][1][1], 8, mb_y);
3ada94ba
BF
900 }
901 } else {
a84616b7
LB
902 if (s->picture_structure != s->field_select[dir][0] + 1 &&
903 s->pict_type != AV_PICTURE_TYPE_B && !s->first_field) {
f6774f90 904 ref_picture = s->current_picture_ptr->f->data;
3ada94ba
BF
905 }
906
907 mpeg_motion(s, dest_y, dest_cb, dest_cr,
f69f4036 908 s->field_select[dir][0],
3ada94ba 909 ref_picture, pix_op,
a84616b7 910 s->mv[dir][0][0], s->mv[dir][0][1], 16, mb_y >> 1);
3ada94ba
BF
911 }
912 break;
913 case MV_TYPE_16X8:
a84616b7
LB
914 for (i = 0; i < 2; i++) {
915 uint8_t **ref2picture;
3ada94ba 916
a84616b7
LB
917 if (s->picture_structure == s->field_select[dir][i] + 1
918 || s->pict_type == AV_PICTURE_TYPE_B || s->first_field) {
919 ref2picture = ref_picture;
920 } else {
f6774f90 921 ref2picture = s->current_picture_ptr->f->data;
3ada94ba
BF
922 }
923
924 mpeg_motion(s, dest_y, dest_cb, dest_cr,
f69f4036 925 s->field_select[dir][i],
3ada94ba 926 ref2picture, pix_op,
a84616b7
LB
927 s->mv[dir][i][0], s->mv[dir][i][1] + 16 * i,
928 8, mb_y >> 1);
3ada94ba 929
a84616b7
LB
930 dest_y += 16 * s->linesize;
931 dest_cb += (16 >> s->chroma_y_shift) * s->uvlinesize;
932 dest_cr += (16 >> s->chroma_y_shift) * s->uvlinesize;
3ada94ba
BF
933 }
934 break;
935 case MV_TYPE_DMV:
a84616b7
LB
936 if (s->picture_structure == PICT_FRAME) {
937 for (i = 0; i < 2; i++) {
3ada94ba 938 int j;
a84616b7 939 for (j = 0; j < 2; j++)
f69f4036 940 mpeg_motion_field(s, dest_y, dest_cb, dest_cr,
a84616b7
LB
941 j, j ^ i, ref_picture, pix_op,
942 s->mv[dir][2 * i + j][0],
943 s->mv[dir][2 * i + j][1], 8, mb_y);
f4fed5a2 944 pix_op = s->hdsp.avg_pixels_tab;
3ada94ba 945 }
a84616b7
LB
946 } else {
947 for (i = 0; i < 2; i++) {
3ada94ba 948 mpeg_motion(s, dest_y, dest_cb, dest_cr,
a84616b7 949 s->picture_structure != i + 1,
3ada94ba 950 ref_picture, pix_op,
a84616b7
LB
951 s->mv[dir][2 * i][0], s->mv[dir][2 * i][1],
952 16, mb_y >> 1);
3ada94ba
BF
953
954 // after put we make avg of the same block
a84616b7 955 pix_op = s->hdsp.avg_pixels_tab;
3ada94ba 956
a84616b7
LB
957 /* opposite parity is always in the same frame if this is
958 * second field */
959 if (!s->first_field) {
f6774f90 960 ref_picture = s->current_picture_ptr->f->data;
3ada94ba
BF
961 }
962 }
963 }
a84616b7 964 break;
3ada94ba
BF
965 default: assert(0);
966 }
967}
968
7a851153
MR
969void ff_MPV_motion(MpegEncContext *s,
970 uint8_t *dest_y, uint8_t *dest_cb,
971 uint8_t *dest_cr, int dir,
972 uint8_t **ref_picture,
973 op_pixels_func (*pix_op)[4],
974 qpel_mc_func (*qpix_op)[16])
bd7c626a 975{
b250f9c6 976#if !CONFIG_SMALL
a84616b7 977 if (s->out_format == FMT_MPEG1)
bd7c626a
KC
978 MPV_motion_internal(s, dest_y, dest_cb, dest_cr, dir,
979 ref_picture, pix_op, qpix_op, 1);
980 else
981#endif
982 MPV_motion_internal(s, dest_y, dest_cb, dest_cr, dir,
983 ref_picture, pix_op, qpix_op, 0);
984}