Check for the presence of llrint(), lrint(), round() and roundf()
[libav.git] / libavcodec / mpegvideo_enc.c
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1/*
2 * The simplest mpeg encoder (well, it was the simplest!)
3 * Copyright (c) 2000,2001 Fabrice Bellard.
4 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
5 *
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6 * 4MV & hq & B-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at>
7 *
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8 * This file is part of FFmpeg.
9 *
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.
14 *
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.
19 *
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
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23 */
24
25/**
26 * @file mpegvideo_enc.c
27 * The simplest mpeg encoder (well, it was the simplest!).
28 */
29
30#include "avcodec.h"
31#include "dsputil.h"
32#include "mpegvideo.h"
33#include "mpegvideo_common.h"
34#include "mjpegenc.h"
35#include "msmpeg4.h"
eb75a698 36#include "h263.h"
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37#include "faandct.h"
38#include <limits.h>
39
40//#undef NDEBUG
41//#include <assert.h>
42
43static int encode_picture(MpegEncContext *s, int picture_number);
44static int dct_quantize_refine(MpegEncContext *s, DCTELEM *block, int16_t *weight, DCTELEM *orig, int n, int qscale);
45static int sse_mb(MpegEncContext *s);
46
47/* enable all paranoid tests for rounding, overflows, etc... */
48//#define PARANOID
49
50//#define DEBUG
51
52static const uint16_t aanscales[64] = {
53 /* precomputed values scaled up by 14 bits */
54 16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520,
55 22725, 31521, 29692, 26722, 22725, 17855, 12299, 6270,
56 21407, 29692, 27969, 25172, 21407, 16819, 11585, 5906,
57 19266, 26722, 25172, 22654, 19266, 15137, 10426, 5315,
58 16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520,
59 12873, 17855, 16819, 15137, 12873, 10114, 6967, 3552,
60 8867 , 12299, 11585, 10426, 8867, 6967, 4799, 2446,
61 4520 , 6270, 5906, 5315, 4520, 3552, 2446, 1247
62};
63
64static uint8_t default_mv_penalty[MAX_FCODE+1][MAX_MV*2+1];
65static uint8_t default_fcode_tab[MAX_MV*2+1];
66
67enum PixelFormat ff_yuv420p_list[2]= {PIX_FMT_YUV420P, -1};
68
69cea75f 69void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64],
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70 const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra)
71{
72 int qscale;
73 int shift=0;
74
75 for(qscale=qmin; qscale<=qmax; qscale++){
76 int i;
77 if (dsp->fdct == ff_jpeg_fdct_islow
78#ifdef FAAN_POSTSCALE
79 || dsp->fdct == ff_faandct
80#endif
81 ) {
82 for(i=0;i<64;i++) {
83 const int j= dsp->idct_permutation[i];
84 /* 16 <= qscale * quant_matrix[i] <= 7905 */
85 /* 19952 <= aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
86 /* (1<<36)/19952 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
87 /* 3444240 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= 275 */
88
89 qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) /
90 (qscale * quant_matrix[j]));
91 }
92 } else if (dsp->fdct == fdct_ifast
93#ifndef FAAN_POSTSCALE
94 || dsp->fdct == ff_faandct
95#endif
96 ) {
97 for(i=0;i<64;i++) {
98 const int j= dsp->idct_permutation[i];
99 /* 16 <= qscale * quant_matrix[i] <= 7905 */
100 /* 19952 <= aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
101 /* (1<<36)/19952 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
102 /* 3444240 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= 275 */
103
104 qmat[qscale][i] = (int)((UINT64_C(1) << (QMAT_SHIFT + 14)) /
105 (aanscales[i] * qscale * quant_matrix[j]));
106 }
107 } else {
108 for(i=0;i<64;i++) {
109 const int j= dsp->idct_permutation[i];
110 /* We can safely suppose that 16 <= quant_matrix[i] <= 255
111 So 16 <= qscale * quant_matrix[i] <= 7905
112 so (1<<19) / 16 >= (1<<19) / (qscale * quant_matrix[i]) >= (1<<19) / 7905
113 so 32768 >= (1<<19) / (qscale * quant_matrix[i]) >= 67
114 */
115 qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) / (qscale * quant_matrix[j]));
116// qmat [qscale][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[i]);
117 qmat16[qscale][0][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[j]);
118
119 if(qmat16[qscale][0][i]==0 || qmat16[qscale][0][i]==128*256) qmat16[qscale][0][i]=128*256-1;
120 qmat16[qscale][1][i]= ROUNDED_DIV(bias<<(16-QUANT_BIAS_SHIFT), qmat16[qscale][0][i]);
121 }
122 }
123
124 for(i=intra; i<64; i++){
125 int64_t max= 8191;
126 if (dsp->fdct == fdct_ifast
127#ifndef FAAN_POSTSCALE
128 || dsp->fdct == ff_faandct
129#endif
130 ) {
131 max= (8191LL*aanscales[i]) >> 14;
132 }
133 while(((max * qmat[qscale][i]) >> shift) > INT_MAX){
134 shift++;
135 }
136 }
137 }
138 if(shift){
139 av_log(NULL, AV_LOG_INFO, "Warning, QMAT_SHIFT is larger than %d, overflows possible\n", QMAT_SHIFT - shift);
140 }
141}
142
143static inline void update_qscale(MpegEncContext *s){
144 s->qscale= (s->lambda*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
145 s->qscale= av_clip(s->qscale, s->avctx->qmin, s->avctx->qmax);
146
147 s->lambda2= (s->lambda*s->lambda + FF_LAMBDA_SCALE/2) >> FF_LAMBDA_SHIFT;
148}
149
150void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix){
151 int i;
152
153 if(matrix){
154 put_bits(pb, 1, 1);
155 for(i=0;i<64;i++) {
156 put_bits(pb, 8, matrix[ ff_zigzag_direct[i] ]);
157 }
158 }else
159 put_bits(pb, 1, 0);
160}
161
162static void copy_picture_attributes(MpegEncContext *s, AVFrame *dst, AVFrame *src){
163 int i;
164
165 dst->pict_type = src->pict_type;
166 dst->quality = src->quality;
167 dst->coded_picture_number = src->coded_picture_number;
168 dst->display_picture_number = src->display_picture_number;
169// dst->reference = src->reference;
170 dst->pts = src->pts;
171 dst->interlaced_frame = src->interlaced_frame;
172 dst->top_field_first = src->top_field_first;
173
174 if(s->avctx->me_threshold){
175 if(!src->motion_val[0])
176 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_val not set!\n");
177 if(!src->mb_type)
178 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.mb_type not set!\n");
179 if(!src->ref_index[0])
180 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.ref_index not set!\n");
181 if(src->motion_subsample_log2 != dst->motion_subsample_log2)
182 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_subsample_log2 doesn't match! (%d!=%d)\n",
183 src->motion_subsample_log2, dst->motion_subsample_log2);
184
185 memcpy(dst->mb_type, src->mb_type, s->mb_stride * s->mb_height * sizeof(dst->mb_type[0]));
186
187 for(i=0; i<2; i++){
188 int stride= ((16*s->mb_width )>>src->motion_subsample_log2) + 1;
189 int height= ((16*s->mb_height)>>src->motion_subsample_log2);
190
191 if(src->motion_val[i] && src->motion_val[i] != dst->motion_val[i]){
192 memcpy(dst->motion_val[i], src->motion_val[i], 2*stride*height*sizeof(int16_t));
193 }
194 if(src->ref_index[i] && src->ref_index[i] != dst->ref_index[i]){
195 memcpy(dst->ref_index[i], src->ref_index[i], s->b8_stride*2*s->mb_height*sizeof(int8_t));
196 }
197 }
198 }
199}
200
201static void update_duplicate_context_after_me(MpegEncContext *dst, MpegEncContext *src){
202#define COPY(a) dst->a= src->a
203 COPY(pict_type);
204 COPY(current_picture);
205 COPY(f_code);
206 COPY(b_code);
207 COPY(qscale);
208 COPY(lambda);
209 COPY(lambda2);
210 COPY(picture_in_gop_number);
211 COPY(gop_picture_number);
212 COPY(frame_pred_frame_dct); //FIXME don't set in encode_header
213 COPY(progressive_frame); //FIXME don't set in encode_header
214 COPY(partitioned_frame); //FIXME don't set in encode_header
215#undef COPY
216}
217
218/**
219 * sets the given MpegEncContext to defaults for encoding.
220 * the changed fields will not depend upon the prior state of the MpegEncContext.
221 */
222static void MPV_encode_defaults(MpegEncContext *s){
223 int i;
224 MPV_common_defaults(s);
225
226 for(i=-16; i<16; i++){
227 default_fcode_tab[i + MAX_MV]= 1;
228 }
229 s->me.mv_penalty= default_mv_penalty;
230 s->fcode_tab= default_fcode_tab;
231}
232
233/* init video encoder */
234int MPV_encode_init(AVCodecContext *avctx)
235{
236 MpegEncContext *s = avctx->priv_data;
237 int i;
238 int chroma_h_shift, chroma_v_shift;
239
240 MPV_encode_defaults(s);
241
242 switch (avctx->codec_id) {
243 case CODEC_ID_MPEG2VIDEO:
244 if(avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P){
245 av_log(avctx, AV_LOG_ERROR, "only YUV420 and YUV422 are supported\n");
246 return -1;
247 }
248 break;
249 case CODEC_ID_LJPEG:
250 case CODEC_ID_MJPEG:
251 if(avctx->pix_fmt != PIX_FMT_YUVJ420P && avctx->pix_fmt != PIX_FMT_YUVJ422P &&
252 ((avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P) || avctx->strict_std_compliance>FF_COMPLIANCE_INOFFICIAL)){
253 av_log(avctx, AV_LOG_ERROR, "colorspace not supported in jpeg\n");
254 return -1;
255 }
256 break;
257 default:
258 if(avctx->pix_fmt != PIX_FMT_YUV420P){
259 av_log(avctx, AV_LOG_ERROR, "only YUV420 is supported\n");
260 return -1;
261 }
262 }
263
264 switch (avctx->pix_fmt) {
265 case PIX_FMT_YUVJ422P:
266 case PIX_FMT_YUV422P:
267 s->chroma_format = CHROMA_422;
268 break;
269 case PIX_FMT_YUVJ420P:
270 case PIX_FMT_YUV420P:
271 default:
272 s->chroma_format = CHROMA_420;
273 break;
274 }
275
276 s->bit_rate = avctx->bit_rate;
277 s->width = avctx->width;
278 s->height = avctx->height;
279 if(avctx->gop_size > 600 && avctx->strict_std_compliance>FF_COMPLIANCE_EXPERIMENTAL){
280 av_log(avctx, AV_LOG_ERROR, "Warning keyframe interval too large! reducing it ...\n");
281 avctx->gop_size=600;
282 }
283 s->gop_size = avctx->gop_size;
284 s->avctx = avctx;
285 s->flags= avctx->flags;
286 s->flags2= avctx->flags2;
287 s->max_b_frames= avctx->max_b_frames;
288 s->codec_id= avctx->codec->id;
289 s->luma_elim_threshold = avctx->luma_elim_threshold;
290 s->chroma_elim_threshold= avctx->chroma_elim_threshold;
291 s->strict_std_compliance= avctx->strict_std_compliance;
292 s->data_partitioning= avctx->flags & CODEC_FLAG_PART;
293 s->quarter_sample= (avctx->flags & CODEC_FLAG_QPEL)!=0;
294 s->mpeg_quant= avctx->mpeg_quant;
295 s->rtp_mode= !!avctx->rtp_payload_size;
296 s->intra_dc_precision= avctx->intra_dc_precision;
297 s->user_specified_pts = AV_NOPTS_VALUE;
298
299 if (s->gop_size <= 1) {
300 s->intra_only = 1;
301 s->gop_size = 12;
302 } else {
303 s->intra_only = 0;
304 }
305
306 s->me_method = avctx->me_method;
307
308 /* Fixed QSCALE */
309 s->fixed_qscale = !!(avctx->flags & CODEC_FLAG_QSCALE);
310
311 s->adaptive_quant= ( s->avctx->lumi_masking
312 || s->avctx->dark_masking
313 || s->avctx->temporal_cplx_masking
314 || s->avctx->spatial_cplx_masking
315 || s->avctx->p_masking
316 || s->avctx->border_masking
317 || (s->flags&CODEC_FLAG_QP_RD))
318 && !s->fixed_qscale;
319
320 s->obmc= !!(s->flags & CODEC_FLAG_OBMC);
321 s->loop_filter= !!(s->flags & CODEC_FLAG_LOOP_FILTER);
322 s->alternate_scan= !!(s->flags & CODEC_FLAG_ALT_SCAN);
323 s->intra_vlc_format= !!(s->flags2 & CODEC_FLAG2_INTRA_VLC);
324 s->q_scale_type= !!(s->flags2 & CODEC_FLAG2_NON_LINEAR_QUANT);
325
326 if(avctx->rc_max_rate && !avctx->rc_buffer_size){
327 av_log(avctx, AV_LOG_ERROR, "a vbv buffer size is needed, for encoding with a maximum bitrate\n");
328 return -1;
329 }
330
331 if(avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate){
332 av_log(avctx, AV_LOG_INFO, "Warning min_rate > 0 but min_rate != max_rate isn't recommended!\n");
333 }
334
335 if(avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate){
336 av_log(avctx, AV_LOG_ERROR, "bitrate below min bitrate\n");
337 return -1;
338 }
339
340 if(avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate){
341 av_log(avctx, AV_LOG_INFO, "bitrate above max bitrate\n");
342 return -1;
343 }
344
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345 if(avctx->rc_max_rate && avctx->rc_max_rate == avctx->bit_rate && avctx->rc_max_rate != avctx->rc_min_rate){
346 av_log(avctx, AV_LOG_INFO, "impossible bitrate constraints, this will fail\n");
347 }
348
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349 if(avctx->rc_buffer_size && avctx->bit_rate*av_q2d(avctx->time_base) > avctx->rc_buffer_size){
350 av_log(avctx, AV_LOG_ERROR, "VBV buffer too small for bitrate\n");
351 return -1;
352 }
353
354 if(avctx->bit_rate*av_q2d(avctx->time_base) > avctx->bit_rate_tolerance){
355 av_log(avctx, AV_LOG_ERROR, "bitrate tolerance too small for bitrate\n");
356 return -1;
357 }
358
359 if( s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate
360 && (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO)
361 && 90000LL * (avctx->rc_buffer_size-1) > s->avctx->rc_max_rate*0xFFFFLL){
362
363 av_log(avctx, AV_LOG_INFO, "Warning vbv_delay will be set to 0xFFFF (=VBR) as the specified vbv buffer is too large for the given bitrate!\n");
364 }
365
366 if((s->flags & CODEC_FLAG_4MV) && s->codec_id != CODEC_ID_MPEG4
367 && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P && s->codec_id != CODEC_ID_FLV1){
368 av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n");
369 return -1;
370 }
371
372 if(s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE){
373 av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with simple mb decision\n");
374 return -1;
375 }
376
377 if(s->obmc && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P){
378 av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with H263(+)\n");
379 return -1;
380 }
381
382 if(s->quarter_sample && s->codec_id != CODEC_ID_MPEG4){
383 av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n");
384 return -1;
385 }
386
387 if(s->data_partitioning && s->codec_id != CODEC_ID_MPEG4){
388 av_log(avctx, AV_LOG_ERROR, "data partitioning not supported by codec\n");
389 return -1;
390 }
391
392 if(s->max_b_frames && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO){
393 av_log(avctx, AV_LOG_ERROR, "b frames not supported by codec\n");
394 return -1;
395 }
396
397 if((s->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN))
398 && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG2VIDEO){
399 av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n");
400 return -1;
401 }
402
403 if(s->mpeg_quant && s->codec_id != CODEC_ID_MPEG4){ //FIXME mpeg2 uses that too
404 av_log(avctx, AV_LOG_ERROR, "mpeg2 style quantization not supported by codec\n");
405 return -1;
406 }
407
408 if((s->flags & CODEC_FLAG_CBP_RD) && !(s->flags & CODEC_FLAG_TRELLIS_QUANT)){
409 av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n");
410 return -1;
411 }
412
413 if((s->flags & CODEC_FLAG_QP_RD) && s->avctx->mb_decision != FF_MB_DECISION_RD){
414 av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n");
415 return -1;
416 }
417
418 if(s->avctx->scenechange_threshold < 1000000000 && (s->flags & CODEC_FLAG_CLOSED_GOP)){
419 av_log(avctx, AV_LOG_ERROR, "closed gop with scene change detection arent supported yet, set threshold to 1000000000\n");
420 return -1;
421 }
422
423 if((s->flags2 & CODEC_FLAG2_INTRA_VLC) && s->codec_id != CODEC_ID_MPEG2VIDEO){
424 av_log(avctx, AV_LOG_ERROR, "intra vlc table not supported by codec\n");
425 return -1;
426 }
427
428 if(s->flags & CODEC_FLAG_LOW_DELAY){
429 if (s->codec_id != CODEC_ID_MPEG2VIDEO && s->codec_id != CODEC_ID_MPEG1VIDEO){
430 av_log(avctx, AV_LOG_ERROR, "low delay forcing is only available for mpeg1/2\n");
431 return -1;
432 }
433 if (s->max_b_frames != 0){
434 av_log(avctx, AV_LOG_ERROR, "b frames cannot be used with low delay\n");
435 return -1;
436 }
437 }
438
439 if(s->q_scale_type == 1){
440 if(s->codec_id != CODEC_ID_MPEG2VIDEO){
441 av_log(avctx, AV_LOG_ERROR, "non linear quant is only available for mpeg2\n");
442 return -1;
443 }
444 if(avctx->qmax > 12){
445 av_log(avctx, AV_LOG_ERROR, "non linear quant only supports qmax <= 12 currently\n");
446 return -1;
447 }
448 }
449
450 if(s->avctx->thread_count > 1 && s->codec_id != CODEC_ID_MPEG4
451 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO
452 && (s->codec_id != CODEC_ID_H263P || !(s->flags & CODEC_FLAG_H263P_SLICE_STRUCT))){
453 av_log(avctx, AV_LOG_ERROR, "multi threaded encoding not supported by codec\n");
454 return -1;
455 }
456
457 if(s->avctx->thread_count > 1)
458 s->rtp_mode= 1;
459
460 if(!avctx->time_base.den || !avctx->time_base.num){
461 av_log(avctx, AV_LOG_ERROR, "framerate not set\n");
462 return -1;
463 }
464
465 i= (INT_MAX/2+128)>>8;
466 if(avctx->me_threshold >= i){
467 av_log(avctx, AV_LOG_ERROR, "me_threshold too large, max is %d\n", i - 1);
468 return -1;
469 }
470 if(avctx->mb_threshold >= i){
471 av_log(avctx, AV_LOG_ERROR, "mb_threshold too large, max is %d\n", i - 1);
472 return -1;
473 }
474
475 if(avctx->b_frame_strategy && (avctx->flags&CODEC_FLAG_PASS2)){
476 av_log(avctx, AV_LOG_INFO, "notice: b_frame_strategy only affects the first pass\n");
477 avctx->b_frame_strategy = 0;
478 }
479
480 i= ff_gcd(avctx->time_base.den, avctx->time_base.num);
481 if(i > 1){
482 av_log(avctx, AV_LOG_INFO, "removing common factors from framerate\n");
483 avctx->time_base.den /= i;
484 avctx->time_base.num /= i;
485// return -1;
486 }
487
488 if(s->codec_id==CODEC_ID_MJPEG){
489 s->intra_quant_bias= 1<<(QUANT_BIAS_SHIFT-1); //(a + x/2)/x
490 s->inter_quant_bias= 0;
491 }else if(s->mpeg_quant || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO){
492 s->intra_quant_bias= 3<<(QUANT_BIAS_SHIFT-3); //(a + x*3/8)/x
493 s->inter_quant_bias= 0;
494 }else{
495 s->intra_quant_bias=0;
496 s->inter_quant_bias=-(1<<(QUANT_BIAS_SHIFT-2)); //(a - x/4)/x
497 }
498
499 if(avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS)
500 s->intra_quant_bias= avctx->intra_quant_bias;
501 if(avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS)
502 s->inter_quant_bias= avctx->inter_quant_bias;
503
504 avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift);
505
506 if(avctx->codec_id == CODEC_ID_MPEG4 && s->avctx->time_base.den > (1<<16)-1){
507 av_log(avctx, AV_LOG_ERROR, "timebase not supported by mpeg 4 standard\n");
508 return -1;
509 }
510 s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1;
511
512 switch(avctx->codec->id) {
513 case CODEC_ID_MPEG1VIDEO:
514 s->out_format = FMT_MPEG1;
515 s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY);
516 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
517 break;
518 case CODEC_ID_MPEG2VIDEO:
519 s->out_format = FMT_MPEG1;
520 s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY);
521 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
522 s->rtp_mode= 1;
523 break;
524 case CODEC_ID_LJPEG:
525 case CODEC_ID_MJPEG:
526 s->out_format = FMT_MJPEG;
527 s->intra_only = 1; /* force intra only for jpeg */
528 s->mjpeg_vsample[0] = 2;
529 s->mjpeg_vsample[1] = 2>>chroma_v_shift;
530 s->mjpeg_vsample[2] = 2>>chroma_v_shift;
531 s->mjpeg_hsample[0] = 2;
532 s->mjpeg_hsample[1] = 2>>chroma_h_shift;
533 s->mjpeg_hsample[2] = 2>>chroma_h_shift;
534 if (!(ENABLE_MJPEG_ENCODER || ENABLE_LJPEG_ENCODER)
535 || ff_mjpeg_encode_init(s) < 0)
536 return -1;
537 avctx->delay=0;
538 s->low_delay=1;
539 break;
540 case CODEC_ID_H261:
541 if (!ENABLE_H261_ENCODER) return -1;
542 if (ff_h261_get_picture_format(s->width, s->height) < 0) {
543 av_log(avctx, AV_LOG_ERROR, "The specified picture size of %dx%d is not valid for the H.261 codec.\nValid sizes are 176x144, 352x288\n", s->width, s->height);
544 return -1;
545 }
546 s->out_format = FMT_H261;
547 avctx->delay=0;
548 s->low_delay=1;
549 break;
550 case CODEC_ID_H263:
eb75a698 551 if (!ENABLE_H263_ENCODER) return -1;
3ada94ba
BF
552 if (h263_get_picture_format(s->width, s->height) == 7) {
553 av_log(avctx, AV_LOG_INFO, "The specified picture size of %dx%d is not valid for the H.263 codec.\nValid sizes are 128x96, 176x144, 352x288, 704x576, and 1408x1152. Try H.263+.\n", s->width, s->height);
554 return -1;
555 }
556 s->out_format = FMT_H263;
557 s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
558 avctx->delay=0;
559 s->low_delay=1;
560 break;
561 case CODEC_ID_H263P:
562 s->out_format = FMT_H263;
563 s->h263_plus = 1;
564 /* Fx */
565 s->umvplus = (avctx->flags & CODEC_FLAG_H263P_UMV) ? 1:0;
566 s->h263_aic= (avctx->flags & CODEC_FLAG_AC_PRED) ? 1:0;
567 s->modified_quant= s->h263_aic;
568 s->alt_inter_vlc= (avctx->flags & CODEC_FLAG_H263P_AIV) ? 1:0;
569 s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
570 s->loop_filter= (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1:0;
571 s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
572 s->h263_slice_structured= (s->flags & CODEC_FLAG_H263P_SLICE_STRUCT) ? 1:0;
573
574 /* /Fx */
575 /* These are just to be sure */
576 avctx->delay=0;
577 s->low_delay=1;
578 break;
579 case CODEC_ID_FLV1:
580 s->out_format = FMT_H263;
581 s->h263_flv = 2; /* format = 1; 11-bit codes */
582 s->unrestricted_mv = 1;
583 s->rtp_mode=0; /* don't allow GOB */
584 avctx->delay=0;
585 s->low_delay=1;
586 break;
587 case CODEC_ID_RV10:
588 s->out_format = FMT_H263;
589 avctx->delay=0;
590 s->low_delay=1;
591 break;
592 case CODEC_ID_RV20:
593 s->out_format = FMT_H263;
594 avctx->delay=0;
595 s->low_delay=1;
596 s->modified_quant=1;
597 s->h263_aic=1;
598 s->h263_plus=1;
599 s->loop_filter=1;
600 s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
601 break;
602 case CODEC_ID_MPEG4:
603 s->out_format = FMT_H263;
604 s->h263_pred = 1;
605 s->unrestricted_mv = 1;
606 s->low_delay= s->max_b_frames ? 0 : 1;
607 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
608 break;
609 case CODEC_ID_MSMPEG4V1:
610 s->out_format = FMT_H263;
611 s->h263_msmpeg4 = 1;
612 s->h263_pred = 1;
613 s->unrestricted_mv = 1;
614 s->msmpeg4_version= 1;
615 avctx->delay=0;
616 s->low_delay=1;
617 break;
618 case CODEC_ID_MSMPEG4V2:
619 s->out_format = FMT_H263;
620 s->h263_msmpeg4 = 1;
621 s->h263_pred = 1;
622 s->unrestricted_mv = 1;
623 s->msmpeg4_version= 2;
624 avctx->delay=0;
625 s->low_delay=1;
626 break;
627 case CODEC_ID_MSMPEG4V3:
628 s->out_format = FMT_H263;
629 s->h263_msmpeg4 = 1;
630 s->h263_pred = 1;
631 s->unrestricted_mv = 1;
632 s->msmpeg4_version= 3;
633 s->flipflop_rounding=1;
634 avctx->delay=0;
635 s->low_delay=1;
636 break;
637 case CODEC_ID_WMV1:
638 s->out_format = FMT_H263;
639 s->h263_msmpeg4 = 1;
640 s->h263_pred = 1;
641 s->unrestricted_mv = 1;
642 s->msmpeg4_version= 4;
643 s->flipflop_rounding=1;
644 avctx->delay=0;
645 s->low_delay=1;
646 break;
647 case CODEC_ID_WMV2:
648 s->out_format = FMT_H263;
649 s->h263_msmpeg4 = 1;
650 s->h263_pred = 1;
651 s->unrestricted_mv = 1;
652 s->msmpeg4_version= 5;
653 s->flipflop_rounding=1;
654 avctx->delay=0;
655 s->low_delay=1;
656 break;
657 default:
658 return -1;
659 }
660
661 avctx->has_b_frames= !s->low_delay;
662
663 s->encoding = 1;
664
665 /* init */
666 if (MPV_common_init(s) < 0)
667 return -1;
668
53727262
AJ
669 if(!s->dct_quantize)
670 s->dct_quantize = dct_quantize_c;
671 if(!s->denoise_dct)
672 s->denoise_dct = denoise_dct_c;
673 s->fast_dct_quantize = s->dct_quantize;
674 if(s->flags & CODEC_FLAG_TRELLIS_QUANT)
675 s->dct_quantize = dct_quantize_trellis_c;
676
eb75a698 677 if((ENABLE_H263P_ENCODER || ENABLE_RV20_ENCODER) && s->modified_quant)
3ada94ba
BF
678 s->chroma_qscale_table= ff_h263_chroma_qscale_table;
679 s->progressive_frame=
680 s->progressive_sequence= !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN));
681 s->quant_precision=5;
682
683 ff_set_cmp(&s->dsp, s->dsp.ildct_cmp, s->avctx->ildct_cmp);
684 ff_set_cmp(&s->dsp, s->dsp.frame_skip_cmp, s->avctx->frame_skip_cmp);
685
686 if (ENABLE_H261_ENCODER && s->out_format == FMT_H261)
687 ff_h261_encode_init(s);
eb75a698 688 if (ENABLE_ANY_H263_ENCODER && s->out_format == FMT_H263)
3ada94ba
BF
689 h263_encode_init(s);
690 if (ENABLE_MSMPEG4_ENCODER && s->msmpeg4_version)
691 ff_msmpeg4_encode_init(s);
a6bc5731
AJ
692 if ((ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER)
693 && s->out_format == FMT_MPEG1)
3ada94ba
BF
694 ff_mpeg1_encode_init(s);
695
696 /* init q matrix */
697 for(i=0;i<64;i++) {
698 int j= s->dsp.idct_permutation[i];
eb75a698 699 if(ENABLE_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->mpeg_quant){
3ada94ba
BF
700 s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i];
701 s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i];
702 }else if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
703 s->intra_matrix[j] =
704 s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
705 }else
706 { /* mpeg1/2 */
707 s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i];
708 s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
709 }
710 if(s->avctx->intra_matrix)
711 s->intra_matrix[j] = s->avctx->intra_matrix[i];
712 if(s->avctx->inter_matrix)
713 s->inter_matrix[j] = s->avctx->inter_matrix[i];
714 }
715
716 /* precompute matrix */
717 /* for mjpeg, we do include qscale in the matrix */
718 if (s->out_format != FMT_MJPEG) {
69cea75f 719 ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
3ada94ba 720 s->intra_matrix, s->intra_quant_bias, avctx->qmin, 31, 1);
69cea75f 721 ff_convert_matrix(&s->dsp, s->q_inter_matrix, s->q_inter_matrix16,
3ada94ba
BF
722 s->inter_matrix, s->inter_quant_bias, avctx->qmin, 31, 0);
723 }
724
725 if(ff_rate_control_init(s) < 0)
726 return -1;
727
728 return 0;
729}
730
731int MPV_encode_end(AVCodecContext *avctx)
732{
733 MpegEncContext *s = avctx->priv_data;
734
735 ff_rate_control_uninit(s);
736
737 MPV_common_end(s);
738 if ((ENABLE_MJPEG_ENCODER || ENABLE_LJPEG_ENCODER) && s->out_format == FMT_MJPEG)
739 ff_mjpeg_encode_close(s);
740
741 av_freep(&avctx->extradata);
742
743 return 0;
744}
745
746static int get_sae(uint8_t *src, int ref, int stride){
747 int x,y;
748 int acc=0;
749
750 for(y=0; y<16; y++){
751 for(x=0; x<16; x++){
752 acc+= FFABS(src[x+y*stride] - ref);
753 }
754 }
755
756 return acc;
757}
758
759static int get_intra_count(MpegEncContext *s, uint8_t *src, uint8_t *ref, int stride){
760 int x, y, w, h;
761 int acc=0;
762
763 w= s->width &~15;
764 h= s->height&~15;
765
766 for(y=0; y<h; y+=16){
767 for(x=0; x<w; x+=16){
768 int offset= x + y*stride;
769 int sad = s->dsp.sad[0](NULL, src + offset, ref + offset, stride, 16);
770 int mean= (s->dsp.pix_sum(src + offset, stride) + 128)>>8;
771 int sae = get_sae(src + offset, mean, stride);
772
773 acc+= sae + 500 < sad;
774 }
775 }
776 return acc;
777}
778
779
780static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg){
781 AVFrame *pic=NULL;
782 int64_t pts;
783 int i;
784 const int encoding_delay= s->max_b_frames;
785 int direct=1;
786
787 if(pic_arg){
788 pts= pic_arg->pts;
789 pic_arg->display_picture_number= s->input_picture_number++;
790
791 if(pts != AV_NOPTS_VALUE){
792 if(s->user_specified_pts != AV_NOPTS_VALUE){
793 int64_t time= pts;
794 int64_t last= s->user_specified_pts;
795
796 if(time <= last){
797 av_log(s->avctx, AV_LOG_ERROR, "Error, Invalid timestamp=%"PRId64", last=%"PRId64"\n", pts, s->user_specified_pts);
798 return -1;
799 }
800 }
801 s->user_specified_pts= pts;
802 }else{
803 if(s->user_specified_pts != AV_NOPTS_VALUE){
804 s->user_specified_pts=
805 pts= s->user_specified_pts + 1;
806 av_log(s->avctx, AV_LOG_INFO, "Warning: AVFrame.pts=? trying to guess (%"PRId64")\n", pts);
807 }else{
808 pts= pic_arg->display_picture_number;
809 }
810 }
811 }
812
813 if(pic_arg){
814 if(encoding_delay && !(s->flags&CODEC_FLAG_INPUT_PRESERVED)) direct=0;
815 if(pic_arg->linesize[0] != s->linesize) direct=0;
816 if(pic_arg->linesize[1] != s->uvlinesize) direct=0;
817 if(pic_arg->linesize[2] != s->uvlinesize) direct=0;
818
819// av_log(AV_LOG_DEBUG, "%d %d %d %d\n",pic_arg->linesize[0], pic_arg->linesize[1], s->linesize, s->uvlinesize);
820
821 if(direct){
822 i= ff_find_unused_picture(s, 1);
823
824 pic= (AVFrame*)&s->picture[i];
825 pic->reference= 3;
826
827 for(i=0; i<4; i++){
828 pic->data[i]= pic_arg->data[i];
829 pic->linesize[i]= pic_arg->linesize[i];
830 }
831 alloc_picture(s, (Picture*)pic, 1);
832 }else{
833 i= ff_find_unused_picture(s, 0);
834
835 pic= (AVFrame*)&s->picture[i];
836 pic->reference= 3;
837
838 alloc_picture(s, (Picture*)pic, 0);
839
840 if( pic->data[0] + INPLACE_OFFSET == pic_arg->data[0]
841 && pic->data[1] + INPLACE_OFFSET == pic_arg->data[1]
842 && pic->data[2] + INPLACE_OFFSET == pic_arg->data[2]){
843 // empty
844 }else{
845 int h_chroma_shift, v_chroma_shift;
846 avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift);
847
848 for(i=0; i<3; i++){
849 int src_stride= pic_arg->linesize[i];
850 int dst_stride= i ? s->uvlinesize : s->linesize;
851 int h_shift= i ? h_chroma_shift : 0;
852 int v_shift= i ? v_chroma_shift : 0;
853 int w= s->width >>h_shift;
854 int h= s->height>>v_shift;
855 uint8_t *src= pic_arg->data[i];
856 uint8_t *dst= pic->data[i];
857
858 if(!s->avctx->rc_buffer_size)
859 dst +=INPLACE_OFFSET;
860
861 if(src_stride==dst_stride)
862 memcpy(dst, src, src_stride*h);
863 else{
864 while(h--){
865 memcpy(dst, src, w);
866 dst += dst_stride;
867 src += src_stride;
868 }
869 }
870 }
871 }
872 }
873 copy_picture_attributes(s, pic, pic_arg);
874 pic->pts= pts; //we set this here to avoid modifiying pic_arg
875 }
876
877 /* shift buffer entries */
878 for(i=1; i<MAX_PICTURE_COUNT /*s->encoding_delay+1*/; i++)
879 s->input_picture[i-1]= s->input_picture[i];
880
881 s->input_picture[encoding_delay]= (Picture*)pic;
882
883 return 0;
884}
885
886static int skip_check(MpegEncContext *s, Picture *p, Picture *ref){
887 int x, y, plane;
888 int score=0;
889 int64_t score64=0;
890
891 for(plane=0; plane<3; plane++){
892 const int stride= p->linesize[plane];
893 const int bw= plane ? 1 : 2;
894 for(y=0; y<s->mb_height*bw; y++){
895 for(x=0; x<s->mb_width*bw; x++){
896 int off= p->type == FF_BUFFER_TYPE_SHARED ? 0: 16;
897 int v= s->dsp.frame_skip_cmp[1](s, p->data[plane] + 8*(x + y*stride)+off, ref->data[plane] + 8*(x + y*stride), stride, 8);
898
899 switch(s->avctx->frame_skip_exp){
900 case 0: score= FFMAX(score, v); break;
901 case 1: score+= FFABS(v);break;
902 case 2: score+= v*v;break;
903 case 3: score64+= FFABS(v*v*(int64_t)v);break;
904 case 4: score64+= v*v*(int64_t)(v*v);break;
905 }
906 }
907 }
908 }
909
910 if(score) score64= score;
911
912 if(score64 < s->avctx->frame_skip_threshold)
913 return 1;
914 if(score64 < ((s->avctx->frame_skip_factor * (int64_t)s->lambda)>>8))
915 return 1;
916 return 0;
917}
918
919static int estimate_best_b_count(MpegEncContext *s){
920 AVCodec *codec= avcodec_find_encoder(s->avctx->codec_id);
921 AVCodecContext *c= avcodec_alloc_context();
922 AVFrame input[FF_MAX_B_FRAMES+2];
923 const int scale= s->avctx->brd_scale;
924 int i, j, out_size, p_lambda, b_lambda, lambda2;
925 int outbuf_size= s->width * s->height; //FIXME
926 uint8_t *outbuf= av_malloc(outbuf_size);
927 int64_t best_rd= INT64_MAX;
928 int best_b_count= -1;
929
930 assert(scale>=0 && scale <=3);
931
932// emms_c();
933 p_lambda= s->last_lambda_for[P_TYPE]; //s->next_picture_ptr->quality;
934 b_lambda= s->last_lambda_for[B_TYPE]; //p_lambda *FFABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset;
935 if(!b_lambda) b_lambda= p_lambda; //FIXME we should do this somewhere else
936 lambda2= (b_lambda*b_lambda + (1<<FF_LAMBDA_SHIFT)/2 ) >> FF_LAMBDA_SHIFT;
937
938 c->width = s->width >> scale;
939 c->height= s->height>> scale;
940 c->flags= CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR | CODEC_FLAG_INPUT_PRESERVED /*| CODEC_FLAG_EMU_EDGE*/;
941 c->flags|= s->avctx->flags & CODEC_FLAG_QPEL;
942 c->mb_decision= s->avctx->mb_decision;
943 c->me_cmp= s->avctx->me_cmp;
944 c->mb_cmp= s->avctx->mb_cmp;
945 c->me_sub_cmp= s->avctx->me_sub_cmp;
946 c->pix_fmt = PIX_FMT_YUV420P;
947 c->time_base= s->avctx->time_base;
948 c->max_b_frames= s->max_b_frames;
949
950 if (avcodec_open(c, codec) < 0)
951 return -1;
952
953 for(i=0; i<s->max_b_frames+2; i++){
954 int ysize= c->width*c->height;
955 int csize= (c->width/2)*(c->height/2);
956 Picture pre_input, *pre_input_ptr= i ? s->input_picture[i-1] : s->next_picture_ptr;
957
958 avcodec_get_frame_defaults(&input[i]);
959 input[i].data[0]= av_malloc(ysize + 2*csize);
960 input[i].data[1]= input[i].data[0] + ysize;
961 input[i].data[2]= input[i].data[1] + csize;
962 input[i].linesize[0]= c->width;
963 input[i].linesize[1]=
964 input[i].linesize[2]= c->width/2;
965
966 if(pre_input_ptr && (!i || s->input_picture[i-1])) {
967 pre_input= *pre_input_ptr;
968
969 if(pre_input.type != FF_BUFFER_TYPE_SHARED && i) {
970 pre_input.data[0]+=INPLACE_OFFSET;
971 pre_input.data[1]+=INPLACE_OFFSET;
972 pre_input.data[2]+=INPLACE_OFFSET;
973 }
974
975 s->dsp.shrink[scale](input[i].data[0], input[i].linesize[0], pre_input.data[0], pre_input.linesize[0], c->width, c->height);
976 s->dsp.shrink[scale](input[i].data[1], input[i].linesize[1], pre_input.data[1], pre_input.linesize[1], c->width>>1, c->height>>1);
977 s->dsp.shrink[scale](input[i].data[2], input[i].linesize[2], pre_input.data[2], pre_input.linesize[2], c->width>>1, c->height>>1);
978 }
979 }
980
981 for(j=0; j<s->max_b_frames+1; j++){
982 int64_t rd=0;
983
984 if(!s->input_picture[j])
985 break;
986
987 c->error[0]= c->error[1]= c->error[2]= 0;
988
989 input[0].pict_type= I_TYPE;
990 input[0].quality= 1 * FF_QP2LAMBDA;
991 out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[0]);
992// rd += (out_size * lambda2) >> FF_LAMBDA_SHIFT;
993
994 for(i=0; i<s->max_b_frames+1; i++){
995 int is_p= i % (j+1) == j || i==s->max_b_frames;
996
997 input[i+1].pict_type= is_p ? P_TYPE : B_TYPE;
998 input[i+1].quality= is_p ? p_lambda : b_lambda;
999 out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[i+1]);
1000 rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
1001 }
1002
1003 /* get the delayed frames */
1004 while(out_size){
1005 out_size = avcodec_encode_video(c, outbuf, outbuf_size, NULL);
1006 rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
1007 }
1008
1009 rd += c->error[0] + c->error[1] + c->error[2];
1010
1011 if(rd < best_rd){
1012 best_rd= rd;
1013 best_b_count= j;
1014 }
1015 }
1016
1017 av_freep(&outbuf);
1018 avcodec_close(c);
1019 av_freep(&c);
1020
1021 for(i=0; i<s->max_b_frames+2; i++){
1022 av_freep(&input[i].data[0]);
1023 }
1024
1025 return best_b_count;
1026}
1027
1028static void select_input_picture(MpegEncContext *s){
1029 int i;
1030
1031 for(i=1; i<MAX_PICTURE_COUNT; i++)
1032 s->reordered_input_picture[i-1]= s->reordered_input_picture[i];
1033 s->reordered_input_picture[MAX_PICTURE_COUNT-1]= NULL;
1034
1035 /* set next picture type & ordering */
1036 if(s->reordered_input_picture[0]==NULL && s->input_picture[0]){
1037 if(/*s->picture_in_gop_number >= s->gop_size ||*/ s->next_picture_ptr==NULL || s->intra_only){
1038 s->reordered_input_picture[0]= s->input_picture[0];
1039 s->reordered_input_picture[0]->pict_type= I_TYPE;
1040 s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
1041 }else{
1042 int b_frames;
1043
1044 if(s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor){
1045 if(s->picture_in_gop_number < s->gop_size && skip_check(s, s->input_picture[0], s->next_picture_ptr)){
1046 //FIXME check that te gop check above is +-1 correct
1047//av_log(NULL, AV_LOG_DEBUG, "skip %p %"PRId64"\n", s->input_picture[0]->data[0], s->input_picture[0]->pts);
1048
1049 if(s->input_picture[0]->type == FF_BUFFER_TYPE_SHARED){
1050 for(i=0; i<4; i++)
1051 s->input_picture[0]->data[i]= NULL;
1052 s->input_picture[0]->type= 0;
1053 }else{
1054 assert( s->input_picture[0]->type==FF_BUFFER_TYPE_USER
1055 || s->input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
1056
1057 s->avctx->release_buffer(s->avctx, (AVFrame*)s->input_picture[0]);
1058 }
1059
1060 emms_c();
1061 ff_vbv_update(s, 0);
1062
1063 goto no_output_pic;
1064 }
1065 }
1066
1067 if(s->flags&CODEC_FLAG_PASS2){
1068 for(i=0; i<s->max_b_frames+1; i++){
1069 int pict_num= s->input_picture[0]->display_picture_number + i;
1070
1071 if(pict_num >= s->rc_context.num_entries)
1072 break;
1073 if(!s->input_picture[i]){
1074 s->rc_context.entry[pict_num-1].new_pict_type = P_TYPE;
1075 break;
1076 }
1077
1078 s->input_picture[i]->pict_type=
1079 s->rc_context.entry[pict_num].new_pict_type;
1080 }
1081 }
1082
1083 if(s->avctx->b_frame_strategy==0){
1084 b_frames= s->max_b_frames;
1085 while(b_frames && !s->input_picture[b_frames]) b_frames--;
1086 }else if(s->avctx->b_frame_strategy==1){
1087 for(i=1; i<s->max_b_frames+1; i++){
1088 if(s->input_picture[i] && s->input_picture[i]->b_frame_score==0){
1089 s->input_picture[i]->b_frame_score=
1090 get_intra_count(s, s->input_picture[i ]->data[0],
1091 s->input_picture[i-1]->data[0], s->linesize) + 1;
1092 }
1093 }
1094 for(i=0; i<s->max_b_frames+1; i++){
1095 if(s->input_picture[i]==NULL || s->input_picture[i]->b_frame_score - 1 > s->mb_num/s->avctx->b_sensitivity) break;
1096 }
1097
1098 b_frames= FFMAX(0, i-1);
1099
1100 /* reset scores */
1101 for(i=0; i<b_frames+1; i++){
1102 s->input_picture[i]->b_frame_score=0;
1103 }
1104 }else if(s->avctx->b_frame_strategy==2){
1105 b_frames= estimate_best_b_count(s);
1106 }else{
1107 av_log(s->avctx, AV_LOG_ERROR, "illegal b frame strategy\n");
1108 b_frames=0;
1109 }
1110
1111 emms_c();
1112//static int b_count=0;
1113//b_count+= b_frames;
1114//av_log(s->avctx, AV_LOG_DEBUG, "b_frames: %d\n", b_count);
1115
1116 for(i= b_frames - 1; i>=0; i--){
1117 int type= s->input_picture[i]->pict_type;
1118 if(type && type != B_TYPE)
1119 b_frames= i;
1120 }
1121 if(s->input_picture[b_frames]->pict_type == B_TYPE && b_frames == s->max_b_frames){
1122 av_log(s->avctx, AV_LOG_ERROR, "warning, too many b frames in a row\n");
1123 }
1124
1125 if(s->picture_in_gop_number + b_frames >= s->gop_size){
1126 if((s->flags2 & CODEC_FLAG2_STRICT_GOP) && s->gop_size > s->picture_in_gop_number){
1127 b_frames= s->gop_size - s->picture_in_gop_number - 1;
1128 }else{
1129 if(s->flags & CODEC_FLAG_CLOSED_GOP)
1130 b_frames=0;
1131 s->input_picture[b_frames]->pict_type= I_TYPE;
1132 }
1133 }
1134
1135 if( (s->flags & CODEC_FLAG_CLOSED_GOP)
1136 && b_frames
1137 && s->input_picture[b_frames]->pict_type== I_TYPE)
1138 b_frames--;
1139
1140 s->reordered_input_picture[0]= s->input_picture[b_frames];
1141 if(s->reordered_input_picture[0]->pict_type != I_TYPE)
1142 s->reordered_input_picture[0]->pict_type= P_TYPE;
1143 s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
1144 for(i=0; i<b_frames; i++){
1145 s->reordered_input_picture[i+1]= s->input_picture[i];
1146 s->reordered_input_picture[i+1]->pict_type= B_TYPE;
1147 s->reordered_input_picture[i+1]->coded_picture_number= s->coded_picture_number++;
1148 }
1149 }
1150 }
1151no_output_pic:
1152 if(s->reordered_input_picture[0]){
1153 s->reordered_input_picture[0]->reference= s->reordered_input_picture[0]->pict_type!=B_TYPE ? 3 : 0;
1154
1155 copy_picture(&s->new_picture, s->reordered_input_picture[0]);
1156
1157 if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_SHARED || s->avctx->rc_buffer_size){
1158 // input is a shared pix, so we can't modifiy it -> alloc a new one & ensure that the shared one is reuseable
1159
1160 int i= ff_find_unused_picture(s, 0);
1161 Picture *pic= &s->picture[i];
1162
1163 pic->reference = s->reordered_input_picture[0]->reference;
1164 alloc_picture(s, pic, 0);
1165
1166 /* mark us unused / free shared pic */
1167 if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_INTERNAL)
1168 s->avctx->release_buffer(s->avctx, (AVFrame*)s->reordered_input_picture[0]);
1169 for(i=0; i<4; i++)
1170 s->reordered_input_picture[0]->data[i]= NULL;
1171 s->reordered_input_picture[0]->type= 0;
1172
1173 copy_picture_attributes(s, (AVFrame*)pic, (AVFrame*)s->reordered_input_picture[0]);
1174
1175 s->current_picture_ptr= pic;
1176 }else{
1177 // input is not a shared pix -> reuse buffer for current_pix
1178
1179 assert( s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_USER
1180 || s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
1181
1182 s->current_picture_ptr= s->reordered_input_picture[0];
1183 for(i=0; i<4; i++){
1184 s->new_picture.data[i]+= INPLACE_OFFSET;
1185 }
1186 }
1187 copy_picture(&s->current_picture, s->current_picture_ptr);
1188
1189 s->picture_number= s->new_picture.display_picture_number;
1190//printf("dpn:%d\n", s->picture_number);
1191 }else{
1192 memset(&s->new_picture, 0, sizeof(Picture));
1193 }
1194}
1195
1196int MPV_encode_picture(AVCodecContext *avctx,
1197 unsigned char *buf, int buf_size, void *data)
1198{
1199 MpegEncContext *s = avctx->priv_data;
1200 AVFrame *pic_arg = data;
1201 int i, stuffing_count;
1202
1203 for(i=0; i<avctx->thread_count; i++){
1204 int start_y= s->thread_context[i]->start_mb_y;
1205 int end_y= s->thread_context[i]-> end_mb_y;
1206 int h= s->mb_height;
1207 uint8_t *start= buf + (size_t)(((int64_t) buf_size)*start_y/h);
1208 uint8_t *end = buf + (size_t)(((int64_t) buf_size)* end_y/h);
1209
1210 init_put_bits(&s->thread_context[i]->pb, start, end - start);
1211 }
1212
1213 s->picture_in_gop_number++;
1214
1215 if(load_input_picture(s, pic_arg) < 0)
1216 return -1;
1217
1218 select_input_picture(s);
1219
1220 /* output? */
1221 if(s->new_picture.data[0]){
1222 s->pict_type= s->new_picture.pict_type;
1223//emms_c();
1224//printf("qs:%f %f %d\n", s->new_picture.quality, s->current_picture.quality, s->qscale);
1225 MPV_frame_start(s, avctx);
1226vbv_retry:
1227 if (encode_picture(s, s->picture_number) < 0)
1228 return -1;
1229
1230 avctx->real_pict_num = s->picture_number;
1231 avctx->header_bits = s->header_bits;
1232 avctx->mv_bits = s->mv_bits;
1233 avctx->misc_bits = s->misc_bits;
1234 avctx->i_tex_bits = s->i_tex_bits;
1235 avctx->p_tex_bits = s->p_tex_bits;
1236 avctx->i_count = s->i_count;
1237 avctx->p_count = s->mb_num - s->i_count - s->skip_count; //FIXME f/b_count in avctx
1238 avctx->skip_count = s->skip_count;
1239
1240 MPV_frame_end(s);
1241
1242 if (ENABLE_MJPEG_ENCODER && s->out_format == FMT_MJPEG)
1243 ff_mjpeg_encode_picture_trailer(s);
1244
1245 if(avctx->rc_buffer_size){
1246 RateControlContext *rcc= &s->rc_context;
1247 int max_size= rcc->buffer_index/3;
1248
1249 if(put_bits_count(&s->pb) > max_size && s->lambda < s->avctx->lmax){
1250 s->next_lambda= FFMAX(s->lambda+1, s->lambda*(s->qscale+1) / s->qscale);
1251 if(s->adaptive_quant){
1252 int i;
1253 for(i=0; i<s->mb_height*s->mb_stride; i++)
1254 s->lambda_table[i]= FFMAX(s->lambda_table[i]+1, s->lambda_table[i]*(s->qscale+1) / s->qscale);
1255 }
1256 s->mb_skipped = 0; //done in MPV_frame_start()
1257 if(s->pict_type==P_TYPE){ //done in encode_picture() so we must undo it
1258 if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
1259 s->no_rounding ^= 1;
1260 }
1261 if(s->pict_type!=B_TYPE){
1262 s->time_base= s->last_time_base;
1263 s->last_non_b_time= s->time - s->pp_time;
1264 }
1265// av_log(NULL, AV_LOG_ERROR, "R:%d ", s->next_lambda);
1266 for(i=0; i<avctx->thread_count; i++){
1267 PutBitContext *pb= &s->thread_context[i]->pb;
1268 init_put_bits(pb, pb->buf, pb->buf_end - pb->buf);
1269 }
1270 goto vbv_retry;
1271 }
1272
1273 assert(s->avctx->rc_max_rate);
1274 }
1275
1276 if(s->flags&CODEC_FLAG_PASS1)
1277 ff_write_pass1_stats(s);
1278
1279 for(i=0; i<4; i++){
1280 s->current_picture_ptr->error[i]= s->current_picture.error[i];
1281 avctx->error[i] += s->current_picture_ptr->error[i];
1282 }
1283
1284 if(s->flags&CODEC_FLAG_PASS1)
1285 assert(avctx->header_bits + avctx->mv_bits + avctx->misc_bits + avctx->i_tex_bits + avctx->p_tex_bits == put_bits_count(&s->pb));
1286 flush_put_bits(&s->pb);
1287 s->frame_bits = put_bits_count(&s->pb);
1288
1289 stuffing_count= ff_vbv_update(s, s->frame_bits);
1290 if(stuffing_count){
1291 if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < stuffing_count + 50){
1292 av_log(s->avctx, AV_LOG_ERROR, "stuffing too large\n");
1293 return -1;
1294 }
1295
1296 switch(s->codec_id){
1297 case CODEC_ID_MPEG1VIDEO:
1298 case CODEC_ID_MPEG2VIDEO:
1299 while(stuffing_count--){
1300 put_bits(&s->pb, 8, 0);
1301 }
1302 break;
1303 case CODEC_ID_MPEG4:
1304 put_bits(&s->pb, 16, 0);
1305 put_bits(&s->pb, 16, 0x1C3);
1306 stuffing_count -= 4;
1307 while(stuffing_count--){
1308 put_bits(&s->pb, 8, 0xFF);
1309 }
1310 break;
1311 default:
1312 av_log(s->avctx, AV_LOG_ERROR, "vbv buffer overflow\n");
1313 }
1314 flush_put_bits(&s->pb);
1315 s->frame_bits = put_bits_count(&s->pb);
1316 }
1317
1318 /* update mpeg1/2 vbv_delay for CBR */
1319 if(s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate && s->out_format == FMT_MPEG1
1320 && 90000LL * (avctx->rc_buffer_size-1) <= s->avctx->rc_max_rate*0xFFFFLL){
1321 int vbv_delay;
1322
1323 assert(s->repeat_first_field==0);
1324
1325 vbv_delay= lrintf(90000 * s->rc_context.buffer_index / s->avctx->rc_max_rate);
1326 assert(vbv_delay < 0xFFFF);
1327
1328 s->vbv_delay_ptr[0] &= 0xF8;
1329 s->vbv_delay_ptr[0] |= vbv_delay>>13;
1330 s->vbv_delay_ptr[1] = vbv_delay>>5;
1331 s->vbv_delay_ptr[2] &= 0x07;
1332 s->vbv_delay_ptr[2] |= vbv_delay<<3;
1333 }
1334 s->total_bits += s->frame_bits;
1335 avctx->frame_bits = s->frame_bits;
1336 }else{
1337 assert((pbBufPtr(&s->pb) == s->pb.buf));
1338 s->frame_bits=0;
1339 }
1340 assert((s->frame_bits&7)==0);
1341
1342 return s->frame_bits/8;
1343}
1344
1345static inline void dct_single_coeff_elimination(MpegEncContext *s, int n, int threshold)
1346{
1347 static const char tab[64]=
1348 {3,2,2,1,1,1,1,1,
1349 1,1,1,1,1,1,1,1,
1350 1,1,1,1,1,1,1,1,
1351 0,0,0,0,0,0,0,0,
1352 0,0,0,0,0,0,0,0,
1353 0,0,0,0,0,0,0,0,
1354 0,0,0,0,0,0,0,0,
1355 0,0,0,0,0,0,0,0};
1356 int score=0;
1357 int run=0;
1358 int i;
1359 DCTELEM *block= s->block[n];
1360 const int last_index= s->block_last_index[n];
1361 int skip_dc;
1362
1363 if(threshold<0){
1364 skip_dc=0;
1365 threshold= -threshold;
1366 }else
1367 skip_dc=1;
1368
1369 /* are all which we could set to zero are allready zero? */
1370 if(last_index<=skip_dc - 1) return;
1371
1372 for(i=0; i<=last_index; i++){
1373 const int j = s->intra_scantable.permutated[i];
1374 const int level = FFABS(block[j]);
1375 if(level==1){
1376 if(skip_dc && i==0) continue;
1377 score+= tab[run];
1378 run=0;
1379 }else if(level>1){
1380 return;
1381 }else{
1382 run++;
1383 }
1384 }
1385 if(score >= threshold) return;
1386 for(i=skip_dc; i<=last_index; i++){
1387 const int j = s->intra_scantable.permutated[i];
1388 block[j]=0;
1389 }
1390 if(block[0]) s->block_last_index[n]= 0;
1391 else s->block_last_index[n]= -1;
1392}
1393
1394static inline void clip_coeffs(MpegEncContext *s, DCTELEM *block, int last_index)
1395{
1396 int i;
1397 const int maxlevel= s->max_qcoeff;
1398 const int minlevel= s->min_qcoeff;
1399 int overflow=0;
1400
1401 if(s->mb_intra){
1402 i=1; //skip clipping of intra dc
1403 }else
1404 i=0;
1405
1406 for(;i<=last_index; i++){
1407 const int j= s->intra_scantable.permutated[i];
1408 int level = block[j];
1409
1410 if (level>maxlevel){
1411 level=maxlevel;
1412 overflow++;
1413 }else if(level<minlevel){
1414 level=minlevel;
1415 overflow++;
1416 }
1417
1418 block[j]= level;
1419 }
1420
1421 if(overflow && s->avctx->mb_decision == FF_MB_DECISION_SIMPLE)
1422 av_log(s->avctx, AV_LOG_INFO, "warning, clipping %d dct coefficients to %d..%d\n", overflow, minlevel, maxlevel);
1423}
1424
f073a393 1425static void get_visual_weight(int16_t *weight, uint8_t *ptr, int stride){
3ada94ba
BF
1426 int x, y;
1427//FIXME optimize
1428 for(y=0; y<8; y++){
1429 for(x=0; x<8; x++){
1430 int x2, y2;
1431 int sum=0;
1432 int sqr=0;
1433 int count=0;
1434
1435 for(y2= FFMAX(y-1, 0); y2 < FFMIN(8, y+2); y2++){
1436 for(x2= FFMAX(x-1, 0); x2 < FFMIN(8, x+2); x2++){
1437 int v= ptr[x2 + y2*stride];
1438 sum += v;
1439 sqr += v*v;
1440 count++;
1441 }
1442 }
1443 weight[x + 8*y]= (36*ff_sqrt(count*sqr - sum*sum)) / count;
1444 }
1445 }
1446}
1447
1448static av_always_inline void encode_mb_internal(MpegEncContext *s, int motion_x, int motion_y, int mb_block_height, int mb_block_count)
1449{
1450 int16_t weight[8][64];
1451 DCTELEM orig[8][64];
1452 const int mb_x= s->mb_x;
1453 const int mb_y= s->mb_y;
1454 int i;
1455 int skip_dct[8];
1456 int dct_offset = s->linesize*8; //default for progressive frames
1457 uint8_t *ptr_y, *ptr_cb, *ptr_cr;
1458 int wrap_y, wrap_c;
1459
1460 for(i=0; i<mb_block_count; i++) skip_dct[i]=s->skipdct;
1461
1462 if(s->adaptive_quant){
1463 const int last_qp= s->qscale;
1464 const int mb_xy= mb_x + mb_y*s->mb_stride;
1465
1466 s->lambda= s->lambda_table[mb_xy];
1467 update_qscale(s);
1468
1469 if(!(s->flags&CODEC_FLAG_QP_RD)){
1470 s->qscale= s->current_picture_ptr->qscale_table[mb_xy];
1471 s->dquant= s->qscale - last_qp;
1472
1473 if(s->out_format==FMT_H263){
1474 s->dquant= av_clip(s->dquant, -2, 2);
1475
1476 if(s->codec_id==CODEC_ID_MPEG4){
1477 if(!s->mb_intra){
1478 if(s->pict_type == B_TYPE){
1479 if(s->dquant&1 || s->mv_dir&MV_DIRECT)
1480 s->dquant= 0;
1481 }
1482 if(s->mv_type==MV_TYPE_8X8)
1483 s->dquant=0;
1484 }
1485 }
1486 }
1487 }
1488 ff_set_qscale(s, last_qp + s->dquant);
1489 }else if(s->flags&CODEC_FLAG_QP_RD)
1490 ff_set_qscale(s, s->qscale + s->dquant);
1491
1492 wrap_y = s->linesize;
1493 wrap_c = s->uvlinesize;
1494 ptr_y = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16;
1495 ptr_cb = s->new_picture.data[1] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
1496 ptr_cr = s->new_picture.data[2] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
1497
1498 if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){
1499 uint8_t *ebuf= s->edge_emu_buffer + 32;
1500 ff_emulated_edge_mc(ebuf , ptr_y , wrap_y,16,16,mb_x*16,mb_y*16, s->width , s->height);
1501 ptr_y= ebuf;
1502 ff_emulated_edge_mc(ebuf+18*wrap_y , ptr_cb, wrap_c, 8, mb_block_height, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
1503 ptr_cb= ebuf+18*wrap_y;
1504 ff_emulated_edge_mc(ebuf+18*wrap_y+8, ptr_cr, wrap_c, 8, mb_block_height, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
1505 ptr_cr= ebuf+18*wrap_y+8;
1506 }
1507
1508 if (s->mb_intra) {
1509 if(s->flags&CODEC_FLAG_INTERLACED_DCT){
1510 int progressive_score, interlaced_score;
1511
1512 s->interlaced_dct=0;
1513 progressive_score= s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y, 8)
1514 +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y*8, NULL, wrap_y, 8) - 400;
1515
1516 if(progressive_score > 0){
1517 interlaced_score = s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y*2, 8)
1518 +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y , NULL, wrap_y*2, 8);
1519 if(progressive_score > interlaced_score){
1520 s->interlaced_dct=1;
1521
1522 dct_offset= wrap_y;
1523 wrap_y<<=1;
1524 if (s->chroma_format == CHROMA_422)
1525 wrap_c<<=1;
1526 }
1527 }
1528 }
1529
1530 s->dsp.get_pixels(s->block[0], ptr_y , wrap_y);
1531 s->dsp.get_pixels(s->block[1], ptr_y + 8, wrap_y);
1532 s->dsp.get_pixels(s->block[2], ptr_y + dct_offset , wrap_y);
1533 s->dsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y);
1534
1535 if(s->flags&CODEC_FLAG_GRAY){
1536 skip_dct[4]= 1;
1537 skip_dct[5]= 1;
1538 }else{
1539 s->dsp.get_pixels(s->block[4], ptr_cb, wrap_c);
1540 s->dsp.get_pixels(s->block[5], ptr_cr, wrap_c);
1541 if(!s->chroma_y_shift){ /* 422 */
1542 s->dsp.get_pixels(s->block[6], ptr_cb + (dct_offset>>1), wrap_c);
1543 s->dsp.get_pixels(s->block[7], ptr_cr + (dct_offset>>1), wrap_c);
1544 }
1545 }
1546 }else{
1547 op_pixels_func (*op_pix)[4];
1548 qpel_mc_func (*op_qpix)[16];
1549 uint8_t *dest_y, *dest_cb, *dest_cr;
1550
1551 dest_y = s->dest[0];
1552 dest_cb = s->dest[1];
1553 dest_cr = s->dest[2];
1554
1555 if ((!s->no_rounding) || s->pict_type==B_TYPE){
1556 op_pix = s->dsp.put_pixels_tab;
1557 op_qpix= s->dsp.put_qpel_pixels_tab;
1558 }else{
1559 op_pix = s->dsp.put_no_rnd_pixels_tab;
1560 op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab;
1561 }
1562
1563 if (s->mv_dir & MV_DIR_FORWARD) {
1564 MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);
1565 op_pix = s->dsp.avg_pixels_tab;
1566 op_qpix= s->dsp.avg_qpel_pixels_tab;
1567 }
1568 if (s->mv_dir & MV_DIR_BACKWARD) {
1569 MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix);
1570 }
1571
1572 if(s->flags&CODEC_FLAG_INTERLACED_DCT){
1573 int progressive_score, interlaced_score;
1574
1575 s->interlaced_dct=0;
1576 progressive_score= s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y, 8)
1577 +s->dsp.ildct_cmp[0](s, dest_y + wrap_y*8, ptr_y + wrap_y*8, wrap_y, 8) - 400;
1578
1579 if(s->avctx->ildct_cmp == FF_CMP_VSSE) progressive_score -= 400;
1580
1581 if(progressive_score>0){
1582 interlaced_score = s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y*2, 8)
1583 +s->dsp.ildct_cmp[0](s, dest_y + wrap_y , ptr_y + wrap_y , wrap_y*2, 8);
1584
1585 if(progressive_score > interlaced_score){
1586 s->interlaced_dct=1;
1587
1588 dct_offset= wrap_y;
1589 wrap_y<<=1;
1590 if (s->chroma_format == CHROMA_422)
1591 wrap_c<<=1;
1592 }
1593 }
1594 }
1595
1596 s->dsp.diff_pixels(s->block[0], ptr_y , dest_y , wrap_y);
1597 s->dsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y);
1598 s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset , dest_y + dct_offset , wrap_y);
1599 s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8, dest_y + dct_offset + 8, wrap_y);
1600
1601 if(s->flags&CODEC_FLAG_GRAY){
1602 skip_dct[4]= 1;
1603 skip_dct[5]= 1;
1604 }else{
1605 s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
1606 s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
1607 if(!s->chroma_y_shift){ /* 422 */
1608 s->dsp.diff_pixels(s->block[6], ptr_cb + (dct_offset>>1), dest_cb + (dct_offset>>1), wrap_c);
1609 s->dsp.diff_pixels(s->block[7], ptr_cr + (dct_offset>>1), dest_cr + (dct_offset>>1), wrap_c);
1610 }
1611 }
1612 /* pre quantization */
1613 if(s->current_picture.mc_mb_var[s->mb_stride*mb_y+ mb_x]<2*s->qscale*s->qscale){
1614 //FIXME optimize
1615 if(s->dsp.sad[1](NULL, ptr_y , dest_y , wrap_y, 8) < 20*s->qscale) skip_dct[0]= 1;
1616 if(s->dsp.sad[1](NULL, ptr_y + 8, dest_y + 8, wrap_y, 8) < 20*s->qscale) skip_dct[1]= 1;
1617 if(s->dsp.sad[1](NULL, ptr_y +dct_offset , dest_y +dct_offset , wrap_y, 8) < 20*s->qscale) skip_dct[2]= 1;
1618 if(s->dsp.sad[1](NULL, ptr_y +dct_offset+ 8, dest_y +dct_offset+ 8, wrap_y, 8) < 20*s->qscale) skip_dct[3]= 1;
1619 if(s->dsp.sad[1](NULL, ptr_cb , dest_cb , wrap_c, 8) < 20*s->qscale) skip_dct[4]= 1;
1620 if(s->dsp.sad[1](NULL, ptr_cr , dest_cr , wrap_c, 8) < 20*s->qscale) skip_dct[5]= 1;
1621 if(!s->chroma_y_shift){ /* 422 */
1622 if(s->dsp.sad[1](NULL, ptr_cb +(dct_offset>>1), dest_cb +(dct_offset>>1), wrap_c, 8) < 20*s->qscale) skip_dct[6]= 1;
1623 if(s->dsp.sad[1](NULL, ptr_cr +(dct_offset>>1), dest_cr +(dct_offset>>1), wrap_c, 8) < 20*s->qscale) skip_dct[7]= 1;
1624 }
1625 }
1626 }
1627
1628 if(s->avctx->quantizer_noise_shaping){
f073a393
DB
1629 if(!skip_dct[0]) get_visual_weight(weight[0], ptr_y , wrap_y);
1630 if(!skip_dct[1]) get_visual_weight(weight[1], ptr_y + 8, wrap_y);
1631 if(!skip_dct[2]) get_visual_weight(weight[2], ptr_y + dct_offset , wrap_y);
1632 if(!skip_dct[3]) get_visual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y);
1633 if(!skip_dct[4]) get_visual_weight(weight[4], ptr_cb , wrap_c);
1634 if(!skip_dct[5]) get_visual_weight(weight[5], ptr_cr , wrap_c);
3ada94ba 1635 if(!s->chroma_y_shift){ /* 422 */
f073a393
DB
1636 if(!skip_dct[6]) get_visual_weight(weight[6], ptr_cb + (dct_offset>>1), wrap_c);
1637 if(!skip_dct[7]) get_visual_weight(weight[7], ptr_cr + (dct_offset>>1), wrap_c);
3ada94ba
BF
1638 }
1639 memcpy(orig[0], s->block[0], sizeof(DCTELEM)*64*mb_block_count);
1640 }
1641
1642 /* DCT & quantize */
1643 assert(s->out_format!=FMT_MJPEG || s->qscale==8);
1644 {
1645 for(i=0;i<mb_block_count;i++) {
1646 if(!skip_dct[i]){
1647 int overflow;
1648 s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow);
1649 // FIXME we could decide to change to quantizer instead of clipping
1650 // JS: I don't think that would be a good idea it could lower quality instead
1651 // of improve it. Just INTRADC clipping deserves changes in quantizer
1652 if (overflow) clip_coeffs(s, s->block[i], s->block_last_index[i]);
1653 }else
1654 s->block_last_index[i]= -1;
1655 }
1656 if(s->avctx->quantizer_noise_shaping){
1657 for(i=0;i<mb_block_count;i++) {
1658 if(!skip_dct[i]){
1659 s->block_last_index[i] = dct_quantize_refine(s, s->block[i], weight[i], orig[i], i, s->qscale);
1660 }
1661 }
1662 }
1663
1664 if(s->luma_elim_threshold && !s->mb_intra)
1665 for(i=0; i<4; i++)
1666 dct_single_coeff_elimination(s, i, s->luma_elim_threshold);
1667 if(s->chroma_elim_threshold && !s->mb_intra)
1668 for(i=4; i<mb_block_count; i++)
1669 dct_single_coeff_elimination(s, i, s->chroma_elim_threshold);
1670
1671 if(s->flags & CODEC_FLAG_CBP_RD){
1672 for(i=0;i<mb_block_count;i++) {
1673 if(s->block_last_index[i] == -1)
1674 s->coded_score[i]= INT_MAX/256;
1675 }
1676 }
1677 }
1678
1679 if((s->flags&CODEC_FLAG_GRAY) && s->mb_intra){
1680 s->block_last_index[4]=
1681 s->block_last_index[5]= 0;
1682 s->block[4][0]=
1683 s->block[5][0]= (1024 + s->c_dc_scale/2)/ s->c_dc_scale;
1684 }
1685
1686 //non c quantize code returns incorrect block_last_index FIXME
1687 if(s->alternate_scan && s->dct_quantize != dct_quantize_c){
1688 for(i=0; i<mb_block_count; i++){
1689 int j;
1690 if(s->block_last_index[i]>0){
1691 for(j=63; j>0; j--){
1692 if(s->block[i][ s->intra_scantable.permutated[j] ]) break;
1693 }
1694 s->block_last_index[i]= j;
1695 }
1696 }
1697 }
1698
1699 /* huffman encode */
1700 switch(s->codec_id){ //FIXME funct ptr could be slightly faster
1701 case CODEC_ID_MPEG1VIDEO:
1702 case CODEC_ID_MPEG2VIDEO:
a6bc5731 1703 if (ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER)
56be950a
AJ
1704 mpeg1_encode_mb(s, s->block, motion_x, motion_y);
1705 break;
3ada94ba 1706 case CODEC_ID_MPEG4:
eb75a698 1707 if (ENABLE_MPEG4_ENCODER)
674eeb5f
AJ
1708 mpeg4_encode_mb(s, s->block, motion_x, motion_y);
1709 break;
3ada94ba
BF
1710 case CODEC_ID_MSMPEG4V2:
1711 case CODEC_ID_MSMPEG4V3:
1712 case CODEC_ID_WMV1:
1713 if (ENABLE_MSMPEG4_ENCODER)
1714 msmpeg4_encode_mb(s, s->block, motion_x, motion_y);
1715 break;
1716 case CODEC_ID_WMV2:
1717 if (ENABLE_WMV2_ENCODER)
1718 ff_wmv2_encode_mb(s, s->block, motion_x, motion_y);
1719 break;
1720 case CODEC_ID_H261:
1721 if (ENABLE_H261_ENCODER)
1722 ff_h261_encode_mb(s, s->block, motion_x, motion_y);
1723 break;
1724 case CODEC_ID_H263:
1725 case CODEC_ID_H263P:
1726 case CODEC_ID_FLV1:
1727 case CODEC_ID_RV10:
1728 case CODEC_ID_RV20:
eb75a698
AJ
1729 if (ENABLE_H263_ENCODER || ENABLE_H263P_ENCODER ||
1730 ENABLE_FLV_ENCODER || ENABLE_RV10_ENCODER || ENABLE_RV20_ENCODER)
674eeb5f
AJ
1731 h263_encode_mb(s, s->block, motion_x, motion_y);
1732 break;
3ada94ba
BF
1733 case CODEC_ID_MJPEG:
1734 if (ENABLE_MJPEG_ENCODER)
1735 ff_mjpeg_encode_mb(s, s->block);
1736 break;
1737 default:
1738 assert(0);
1739 }
1740}
1741
1742static av_always_inline void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
1743{
1744 if (s->chroma_format == CHROMA_420) encode_mb_internal(s, motion_x, motion_y, 8, 6);
1745 else encode_mb_internal(s, motion_x, motion_y, 16, 8);
1746}
1747
3ada94ba
BF
1748static inline void copy_context_before_encode(MpegEncContext *d, MpegEncContext *s, int type){
1749 int i;
1750
1751 memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
1752
1753 /* mpeg1 */
1754 d->mb_skip_run= s->mb_skip_run;
1755 for(i=0; i<3; i++)
1756 d->last_dc[i]= s->last_dc[i];
1757
1758 /* statistics */
1759 d->mv_bits= s->mv_bits;
1760 d->i_tex_bits= s->i_tex_bits;
1761 d->p_tex_bits= s->p_tex_bits;
1762 d->i_count= s->i_count;
1763 d->f_count= s->f_count;
1764 d->b_count= s->b_count;
1765 d->skip_count= s->skip_count;
1766 d->misc_bits= s->misc_bits;
1767 d->last_bits= 0;
1768
1769 d->mb_skipped= 0;
1770 d->qscale= s->qscale;
1771 d->dquant= s->dquant;
1772}
1773
1774static inline void copy_context_after_encode(MpegEncContext *d, MpegEncContext *s, int type){
1775 int i;
1776
1777 memcpy(d->mv, s->mv, 2*4*2*sizeof(int));
1778 memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
1779
1780 /* mpeg1 */
1781 d->mb_skip_run= s->mb_skip_run;
1782 for(i=0; i<3; i++)
1783 d->last_dc[i]= s->last_dc[i];
1784
1785 /* statistics */
1786 d->mv_bits= s->mv_bits;
1787 d->i_tex_bits= s->i_tex_bits;
1788 d->p_tex_bits= s->p_tex_bits;
1789 d->i_count= s->i_count;
1790 d->f_count= s->f_count;
1791 d->b_count= s->b_count;
1792 d->skip_count= s->skip_count;
1793 d->misc_bits= s->misc_bits;
1794
1795 d->mb_intra= s->mb_intra;
1796 d->mb_skipped= s->mb_skipped;
1797 d->mv_type= s->mv_type;
1798 d->mv_dir= s->mv_dir;
1799 d->pb= s->pb;
1800 if(s->data_partitioning){
1801 d->pb2= s->pb2;
1802 d->tex_pb= s->tex_pb;
1803 }
1804 d->block= s->block;
1805 for(i=0; i<8; i++)
1806 d->block_last_index[i]= s->block_last_index[i];
1807 d->interlaced_dct= s->interlaced_dct;
1808 d->qscale= s->qscale;
1809}
1810
1811static inline void encode_mb_hq(MpegEncContext *s, MpegEncContext *backup, MpegEncContext *best, int type,
1812 PutBitContext pb[2], PutBitContext pb2[2], PutBitContext tex_pb[2],
1813 int *dmin, int *next_block, int motion_x, int motion_y)
1814{
1815 int score;
1816 uint8_t *dest_backup[3];
1817
1818 copy_context_before_encode(s, backup, type);
1819
1820 s->block= s->blocks[*next_block];
1821 s->pb= pb[*next_block];
1822 if(s->data_partitioning){
1823 s->pb2 = pb2 [*next_block];
1824 s->tex_pb= tex_pb[*next_block];
1825 }
1826
1827 if(*next_block){
1828 memcpy(dest_backup, s->dest, sizeof(s->dest));
1829 s->dest[0] = s->rd_scratchpad;
1830 s->dest[1] = s->rd_scratchpad + 16*s->linesize;
1831 s->dest[2] = s->rd_scratchpad + 16*s->linesize + 8;
1832 assert(s->linesize >= 32); //FIXME
1833 }
1834
1835 encode_mb(s, motion_x, motion_y);
1836
1837 score= put_bits_count(&s->pb);
1838 if(s->data_partitioning){
1839 score+= put_bits_count(&s->pb2);
1840 score+= put_bits_count(&s->tex_pb);
1841 }
1842
1843 if(s->avctx->mb_decision == FF_MB_DECISION_RD){
1844 MPV_decode_mb(s, s->block);
1845
1846 score *= s->lambda2;
1847 score += sse_mb(s) << FF_LAMBDA_SHIFT;
1848 }
1849
1850 if(*next_block){
1851 memcpy(s->dest, dest_backup, sizeof(s->dest));
1852 }
1853
1854 if(score<*dmin){
1855 *dmin= score;
1856 *next_block^=1;
1857
1858 copy_context_after_encode(best, s, type);
1859 }
1860}
1861
1862static int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, int h, int stride){
1863 uint32_t *sq = ff_squareTbl + 256;
1864 int acc=0;
1865 int x,y;
1866
1867 if(w==16 && h==16)
1868 return s->dsp.sse[0](NULL, src1, src2, stride, 16);
1869 else if(w==8 && h==8)
1870 return s->dsp.sse[1](NULL, src1, src2, stride, 8);
1871
1872 for(y=0; y<h; y++){
1873 for(x=0; x<w; x++){
1874 acc+= sq[src1[x + y*stride] - src2[x + y*stride]];
1875 }
1876 }
1877
1878 assert(acc>=0);
1879
1880 return acc;
1881}
1882
1883static int sse_mb(MpegEncContext *s){
1884 int w= 16;
1885 int h= 16;
1886
1887 if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
1888 if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
1889
1890 if(w==16 && h==16)
1891 if(s->avctx->mb_cmp == FF_CMP_NSSE){
1892 return s->dsp.nsse[0](s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], s->linesize, 16)
1893 +s->dsp.nsse[1](s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[1], s->uvlinesize, 8)
1894 +s->dsp.nsse[1](s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[2], s->uvlinesize, 8);
1895 }else{
1896 return s->dsp.sse[0](NULL, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], s->linesize, 16)
1897 +s->dsp.sse[1](NULL, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[1], s->uvlinesize, 8)
1898 +s->dsp.sse[1](NULL, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[2], s->uvlinesize, 8);
1899 }
1900 else
1901 return sse(s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], w, h, s->linesize)
1902 +sse(s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[1], w>>1, h>>1, s->uvlinesize)
1903 +sse(s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[2], w>>1, h>>1, s->uvlinesize);
1904}
1905
1906static int pre_estimate_motion_thread(AVCodecContext *c, void *arg){
1907 MpegEncContext *s= arg;
1908
1909
1910 s->me.pre_pass=1;
1911 s->me.dia_size= s->avctx->pre_dia_size;
1912 s->first_slice_line=1;
1913 for(s->mb_y= s->end_mb_y-1; s->mb_y >= s->start_mb_y; s->mb_y--) {
1914 for(s->mb_x=s->mb_width-1; s->mb_x >=0 ;s->mb_x--) {
1915 ff_pre_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
1916 }
1917 s->first_slice_line=0;
1918 }
1919
1920 s->me.pre_pass=0;
1921
1922 return 0;
1923}
1924
1925static int estimate_motion_thread(AVCodecContext *c, void *arg){
1926 MpegEncContext *s= arg;
1927
1928 ff_check_alignment();
1929
1930 s->me.dia_size= s->avctx->dia_size;
1931 s->first_slice_line=1;
1932 for(s->mb_y= s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) {
1933 s->mb_x=0; //for block init below
1934 ff_init_block_index(s);
1935 for(s->mb_x=0; s->mb_x < s->mb_width; s->mb_x++) {
1936 s->block_index[0]+=2;
1937 s->block_index[1]+=2;
1938 s->block_index[2]+=2;
1939 s->block_index[3]+=2;
1940
1941 /* compute motion vector & mb_type and store in context */
1942 if(s->pict_type==B_TYPE)
1943 ff_estimate_b_frame_motion(s, s->mb_x, s->mb_y);
1944 else
1945 ff_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
1946 }
1947 s->first_slice_line=0;
1948 }
1949 return 0;
1950}
1951
1952static int mb_var_thread(AVCodecContext *c, void *arg){
1953 MpegEncContext *s= arg;
1954 int mb_x, mb_y;
1955
1956 ff_check_alignment();
1957
1958 for(mb_y=s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
1959 for(mb_x=0; mb_x < s->mb_width; mb_x++) {
1960 int xx = mb_x * 16;
1961 int yy = mb_y * 16;
1962 uint8_t *pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
1963 int varc;
1964 int sum = s->dsp.pix_sum(pix, s->linesize);
1965
1966 varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
1967
1968 s->current_picture.mb_var [s->mb_stride * mb_y + mb_x] = varc;
1969 s->current_picture.mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
1970 s->me.mb_var_sum_temp += varc;
1971 }
1972 }
1973 return 0;
1974}
1975
1976static void write_slice_end(MpegEncContext *s){
eb75a698 1977 if(ENABLE_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4){
3ada94ba
BF
1978 if(s->partitioned_frame){
1979 ff_mpeg4_merge_partitions(s);
1980 }
1981
1982 ff_mpeg4_stuffing(&s->pb);
1983 }else if(ENABLE_MJPEG_ENCODER && s->out_format == FMT_MJPEG){
1984 ff_mjpeg_encode_stuffing(&s->pb);
1985 }
1986
1987 align_put_bits(&s->pb);
1988 flush_put_bits(&s->pb);
1989
1990 if((s->flags&CODEC_FLAG_PASS1) && !s->partitioned_frame)
1991 s->misc_bits+= get_bits_diff(s);
1992}
1993
1994static int encode_thread(AVCodecContext *c, void *arg){
1995 MpegEncContext *s= arg;
1996 int mb_x, mb_y, pdif = 0;
1997 int i, j;
1998 MpegEncContext best_s, backup_s;
1999 uint8_t bit_buf[2][MAX_MB_BYTES];
2000 uint8_t bit_buf2[2][MAX_MB_BYTES];
2001 uint8_t bit_buf_tex[2][MAX_MB_BYTES];
2002 PutBitContext pb[2], pb2[2], tex_pb[2];
2003//printf("%d->%d\n", s->resync_mb_y, s->end_mb_y);
2004
2005 ff_check_alignment();
2006
2007 for(i=0; i<2; i++){
2008 init_put_bits(&pb [i], bit_buf [i], MAX_MB_BYTES);
2009 init_put_bits(&pb2 [i], bit_buf2 [i], MAX_MB_BYTES);
2010 init_put_bits(&tex_pb[i], bit_buf_tex[i], MAX_MB_BYTES);
2011 }
2012
2013 s->last_bits= put_bits_count(&s->pb);
2014 s->mv_bits=0;
2015 s->misc_bits=0;
2016 s->i_tex_bits=0;
2017 s->p_tex_bits=0;
2018 s->i_count=0;
2019 s->f_count=0;
2020 s->b_count=0;
2021 s->skip_count=0;
2022
2023 for(i=0; i<3; i++){
2024 /* init last dc values */
2025 /* note: quant matrix value (8) is implied here */
2026 s->last_dc[i] = 128 << s->intra_dc_precision;
2027
2028 s->current_picture.error[i] = 0;
2029 }
2030 s->mb_skip_run = 0;
2031 memset(s->last_mv, 0, sizeof(s->last_mv));
2032
2033 s->last_mv_dir = 0;
2034
2035 switch(s->codec_id){
2036 case CODEC_ID_H263:
2037 case CODEC_ID_H263P:
2038 case CODEC_ID_FLV1:
eb75a698 2039 if (ENABLE_H263_ENCODER || ENABLE_H263P_ENCODER || ENABLE_FLV_ENCODER)
674eeb5f 2040 s->gob_index = ff_h263_get_gob_height(s);
3ada94ba
BF
2041 break;
2042 case CODEC_ID_MPEG4:
eb75a698 2043 if(ENABLE_MPEG4_ENCODER && s->partitioned_frame)
3ada94ba
BF
2044 ff_mpeg4_init_partitions(s);
2045 break;
2046 }
2047
2048 s->resync_mb_x=0;
2049 s->resync_mb_y=0;
2050 s->first_slice_line = 1;
2051 s->ptr_lastgob = s->pb.buf;
2052 for(mb_y= s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
2053// printf("row %d at %X\n", s->mb_y, (int)s);
2054 s->mb_x=0;
2055 s->mb_y= mb_y;
2056
2057 ff_set_qscale(s, s->qscale);
2058 ff_init_block_index(s);
2059
2060 for(mb_x=0; mb_x < s->mb_width; mb_x++) {
2061 int xy= mb_y*s->mb_stride + mb_x; // removed const, H261 needs to adjust this
2062 int mb_type= s->mb_type[xy];
2063// int d;
2064 int dmin= INT_MAX;
2065 int dir;
2066
2067 if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < MAX_MB_BYTES){
2068 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
2069 return -1;
2070 }
2071 if(s->data_partitioning){
2072 if( s->pb2 .buf_end - s->pb2 .buf - (put_bits_count(&s-> pb2)>>3) < MAX_MB_BYTES
2073 || s->tex_pb.buf_end - s->tex_pb.buf - (put_bits_count(&s->tex_pb )>>3) < MAX_MB_BYTES){
2074 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
2075 return -1;
2076 }
2077 }
2078
2079 s->mb_x = mb_x;
2080 s->mb_y = mb_y; // moved into loop, can get changed by H.261
2081 ff_update_block_index(s);
2082
2083 if(ENABLE_H261_ENCODER && s->codec_id == CODEC_ID_H261){
2084 ff_h261_reorder_mb_index(s);
2085 xy= s->mb_y*s->mb_stride + s->mb_x;
2086 mb_type= s->mb_type[xy];
2087 }
2088
2089 /* write gob / video packet header */
2090 if(s->rtp_mode){
2091 int current_packet_size, is_gob_start;
2092
2093 current_packet_size= ((put_bits_count(&s->pb)+7)>>3) - (s->ptr_lastgob - s->pb.buf);
2094
2095 is_gob_start= s->avctx->rtp_payload_size && current_packet_size >= s->avctx->rtp_payload_size && mb_y + mb_x>0;
2096
2097 if(s->start_mb_y == mb_y && mb_y > 0 && mb_x==0) is_gob_start=1;
2098
2099 switch(s->codec_id){
2100 case CODEC_ID_H263:
2101 case CODEC_ID_H263P:
2102 if(!s->h263_slice_structured)
2103 if(s->mb_x || s->mb_y%s->gob_index) is_gob_start=0;
2104 break;
2105 case CODEC_ID_MPEG2VIDEO:
2106 if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1;
2107 case CODEC_ID_MPEG1VIDEO:
2108 if(s->mb_skip_run) is_gob_start=0;
2109 break;
2110 }
2111
2112 if(is_gob_start){
2113 if(s->start_mb_y != mb_y || mb_x!=0){
2114 write_slice_end(s);
2115
eb75a698 2116 if(ENABLE_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->partitioned_frame){
3ada94ba
BF
2117 ff_mpeg4_init_partitions(s);
2118 }
2119 }
2120
2121 assert((put_bits_count(&s->pb)&7) == 0);
2122 current_packet_size= pbBufPtr(&s->pb) - s->ptr_lastgob;
2123
2124 if(s->avctx->error_rate && s->resync_mb_x + s->resync_mb_y > 0){
2125 int r= put_bits_count(&s->pb)/8 + s->picture_number + 16 + s->mb_x + s->mb_y;
2126 int d= 100 / s->avctx->error_rate;
2127 if(r % d == 0){
2128 current_packet_size=0;
2129#ifndef ALT_BITSTREAM_WRITER
2130 s->pb.buf_ptr= s->ptr_lastgob;
2131#endif
2132 assert(pbBufPtr(&s->pb) == s->ptr_lastgob);
2133 }
2134 }
2135
2136 if (s->avctx->rtp_callback){
2137 int number_mb = (mb_y - s->resync_mb_y)*s->mb_width + mb_x - s->resync_mb_x;
2138 s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, current_packet_size, number_mb);
2139 }
2140
2141 switch(s->codec_id){
2142 case CODEC_ID_MPEG4:
eb75a698 2143 if (ENABLE_MPEG4_ENCODER) {
674eeb5f
AJ
2144 ff_mpeg4_encode_video_packet_header(s);
2145 ff_mpeg4_clean_buffers(s);
eb75a698 2146 }
3ada94ba
BF
2147 break;
2148 case CODEC_ID_MPEG1VIDEO:
2149 case CODEC_ID_MPEG2VIDEO:
a6bc5731 2150 if (ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER) {
56be950a
AJ
2151 ff_mpeg1_encode_slice_header(s);
2152 ff_mpeg1_clean_buffers(s);
a6bc5731 2153 }
3ada94ba
BF
2154 break;
2155 case CODEC_ID_H263:
2156 case CODEC_ID_H263P:
eb75a698 2157 if (ENABLE_H263_ENCODER || ENABLE_H263P_ENCODER)
674eeb5f 2158 h263_encode_gob_header(s, mb_y);
3ada94ba
BF
2159 break;
2160 }
2161
2162 if(s->flags&CODEC_FLAG_PASS1){
2163 int bits= put_bits_count(&s->pb);
2164 s->misc_bits+= bits - s->last_bits;
2165 s->last_bits= bits;
2166 }
2167
2168 s->ptr_lastgob += current_packet_size;
2169 s->first_slice_line=1;
2170 s->resync_mb_x=mb_x;
2171 s->resync_mb_y=mb_y;
2172 }
2173 }
2174
2175 if( (s->resync_mb_x == s->mb_x)
2176 && s->resync_mb_y+1 == s->mb_y){
2177 s->first_slice_line=0;
2178 }
2179
2180 s->mb_skipped=0;
2181 s->dquant=0; //only for QP_RD
2182
2183 if(mb_type & (mb_type-1) || (s->flags & CODEC_FLAG_QP_RD)){ // more than 1 MB type possible or CODEC_FLAG_QP_RD
2184 int next_block=0;
2185 int pb_bits_count, pb2_bits_count, tex_pb_bits_count;
2186
2187 copy_context_before_encode(&backup_s, s, -1);
2188 backup_s.pb= s->pb;
2189 best_s.data_partitioning= s->data_partitioning;
2190 best_s.partitioned_frame= s->partitioned_frame;
2191 if(s->data_partitioning){
2192 backup_s.pb2= s->pb2;
2193 backup_s.tex_pb= s->tex_pb;
2194 }
2195
2196 if(mb_type&CANDIDATE_MB_TYPE_INTER){
2197 s->mv_dir = MV_DIR_FORWARD;
2198 s->mv_type = MV_TYPE_16X16;
2199 s->mb_intra= 0;
2200 s->mv[0][0][0] = s->p_mv_table[xy][0];
2201 s->mv[0][0][1] = s->p_mv_table[xy][1];
2202 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER, pb, pb2, tex_pb,
2203 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2204 }
2205 if(mb_type&CANDIDATE_MB_TYPE_INTER_I){
2206 s->mv_dir = MV_DIR_FORWARD;
2207 s->mv_type = MV_TYPE_FIELD;
2208 s->mb_intra= 0;
2209 for(i=0; i<2; i++){
2210 j= s->field_select[0][i] = s->p_field_select_table[i][xy];
2211 s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
2212 s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
2213 }
2214 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER_I, pb, pb2, tex_pb,
2215 &dmin, &next_block, 0, 0);
2216 }
2217 if(mb_type&CANDIDATE_MB_TYPE_SKIPPED){
2218 s->mv_dir = MV_DIR_FORWARD;
2219 s->mv_type = MV_TYPE_16X16;
2220 s->mb_intra= 0;
2221 s->mv[0][0][0] = 0;
2222 s->mv[0][0][1] = 0;
2223 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_SKIPPED, pb, pb2, tex_pb,
2224 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2225 }
2226 if(mb_type&CANDIDATE_MB_TYPE_INTER4V){
2227 s->mv_dir = MV_DIR_FORWARD;
2228 s->mv_type = MV_TYPE_8X8;
2229 s->mb_intra= 0;
2230 for(i=0; i<4; i++){
2231 s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
2232 s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
2233 }
2234 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER4V, pb, pb2, tex_pb,
2235 &dmin, &next_block, 0, 0);
2236 }
2237 if(mb_type&CANDIDATE_MB_TYPE_FORWARD){
2238 s->mv_dir = MV_DIR_FORWARD;
2239 s->mv_type = MV_TYPE_16X16;
2240 s->mb_intra= 0;
2241 s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
2242 s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
2243 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD, pb, pb2, tex_pb,
2244 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2245 }
2246 if(mb_type&CANDIDATE_MB_TYPE_BACKWARD){
2247 s->mv_dir = MV_DIR_BACKWARD;
2248 s->mv_type = MV_TYPE_16X16;
2249 s->mb_intra= 0;
2250 s->mv[1][0][0] = s->b_back_mv_table[xy][0];
2251 s->mv[1][0][1] = s->b_back_mv_table[xy][1];
2252 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD, pb, pb2, tex_pb,
2253 &dmin, &next_block, s->mv[1][0][0], s->mv[1][0][1]);
2254 }
2255 if(mb_type&CANDIDATE_MB_TYPE_BIDIR){
2256 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2257 s->mv_type = MV_TYPE_16X16;
2258 s->mb_intra= 0;
2259 s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
2260 s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
2261 s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
2262 s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
2263 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR, pb, pb2, tex_pb,
2264 &dmin, &next_block, 0, 0);
2265 }
2266 if(mb_type&CANDIDATE_MB_TYPE_FORWARD_I){
2267 s->mv_dir = MV_DIR_FORWARD;
2268 s->mv_type = MV_TYPE_FIELD;
2269 s->mb_intra= 0;
2270 for(i=0; i<2; i++){
2271 j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
2272 s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
2273 s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
2274 }
2275 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD_I, pb, pb2, tex_pb,
2276 &dmin, &next_block, 0, 0);
2277 }
2278 if(mb_type&CANDIDATE_MB_TYPE_BACKWARD_I){
2279 s->mv_dir = MV_DIR_BACKWARD;
2280 s->mv_type = MV_TYPE_FIELD;
2281 s->mb_intra= 0;
2282 for(i=0; i<2; i++){
2283 j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
2284 s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
2285 s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
2286 }
2287 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD_I, pb, pb2, tex_pb,
2288 &dmin, &next_block, 0, 0);
2289 }
2290 if(mb_type&CANDIDATE_MB_TYPE_BIDIR_I){
2291 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2292 s->mv_type = MV_TYPE_FIELD;
2293 s->mb_intra= 0;
2294 for(dir=0; dir<2; dir++){
2295 for(i=0; i<2; i++){
2296 j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
2297 s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
2298 s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
2299 }
2300 }
2301 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR_I, pb, pb2, tex_pb,
2302 &dmin, &next_block, 0, 0);
2303 }
2304 if(mb_type&CANDIDATE_MB_TYPE_INTRA){
2305 s->mv_dir = 0;
2306 s->mv_type = MV_TYPE_16X16;
2307 s->mb_intra= 1;
2308 s->mv[0][0][0] = 0;
2309 s->mv[0][0][1] = 0;
2310 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTRA, pb, pb2, tex_pb,
2311 &dmin, &next_block, 0, 0);
2312 if(s->h263_pred || s->h263_aic){
2313 if(best_s.mb_intra)
2314 s->mbintra_table[mb_x + mb_y*s->mb_stride]=1;
2315 else
2316 ff_clean_intra_table_entries(s); //old mode?
2317 }
2318 }
2319
2320 if((s->flags & CODEC_FLAG_QP_RD) && dmin < INT_MAX){
2321 if(best_s.mv_type==MV_TYPE_16X16){ //FIXME move 4mv after QPRD
2322 const int last_qp= backup_s.qscale;
2323 int qpi, qp, dc[6];
2324 DCTELEM ac[6][16];
2325 const int mvdir= (best_s.mv_dir&MV_DIR_BACKWARD) ? 1 : 0;
2326 static const int dquant_tab[4]={-1,1,-2,2};
2327
2328 assert(backup_s.dquant == 0);
2329
2330 //FIXME intra
2331 s->mv_dir= best_s.mv_dir;
2332 s->mv_type = MV_TYPE_16X16;
2333 s->mb_intra= best_s.mb_intra;
2334 s->mv[0][0][0] = best_s.mv[0][0][0];
2335 s->mv[0][0][1] = best_s.mv[0][0][1];
2336 s->mv[1][0][0] = best_s.mv[1][0][0];
2337 s->mv[1][0][1] = best_s.mv[1][0][1];
2338
2339 qpi = s->pict_type == B_TYPE ? 2 : 0;
2340 for(; qpi<4; qpi++){
2341 int dquant= dquant_tab[qpi];
2342 qp= last_qp + dquant;
2343 if(qp < s->avctx->qmin || qp > s->avctx->qmax)
2344 continue;
2345 backup_s.dquant= dquant;
2346 if(s->mb_intra && s->dc_val[0]){
2347 for(i=0; i<6; i++){
2348 dc[i]= s->dc_val[0][ s->block_index[i] ];
2349 memcpy(ac[i], s->ac_val[0][s->block_index[i]], sizeof(DCTELEM)*16);
2350 }
2351 }
2352
2353 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
2354 &dmin, &next_block, s->mv[mvdir][0][0], s->mv[mvdir][0][1]);
2355 if(best_s.qscale != qp){
2356 if(s->mb_intra && s->dc_val[0]){
2357 for(i=0; i<6; i++){
2358 s->dc_val[0][ s->block_index[i] ]= dc[i];
2359 memcpy(s->ac_val[0][s->block_index[i]], ac[i], sizeof(DCTELEM)*16);
2360 }
2361 }
2362 }
2363 }
2364 }
2365 }
eb75a698 2366 if(ENABLE_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT){
3ada94ba
BF
2367 int mx= s->b_direct_mv_table[xy][0];
2368 int my= s->b_direct_mv_table[xy][1];
2369
2370 backup_s.dquant = 0;
2371 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2372 s->mb_intra= 0;
2373 ff_mpeg4_set_direct_mv(s, mx, my);
2374 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
2375 &dmin, &next_block, mx, my);
2376 }
eb75a698 2377 if(ENABLE_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT0){
3ada94ba
BF
2378 backup_s.dquant = 0;
2379 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2380 s->mb_intra= 0;
2381 ff_mpeg4_set_direct_mv(s, 0, 0);
2382 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
2383 &dmin, &next_block, 0, 0);
2384 }
2385 if(!best_s.mb_intra && s->flags2&CODEC_FLAG2_SKIP_RD){
2386 int coded=0;
2387 for(i=0; i<6; i++)
2388 coded |= s->block_last_index[i];
2389 if(coded){
2390 int mx,my;
2391 memcpy(s->mv, best_s.mv, sizeof(s->mv));
eb75a698 2392 if(ENABLE_MPEG4_ENCODER && best_s.mv_dir & MV_DIRECT){
3ada94ba
BF
2393 mx=my=0; //FIXME find the one we actually used
2394 ff_mpeg4_set_direct_mv(s, mx, my);
2395 }else if(best_s.mv_dir&MV_DIR_BACKWARD){
2396 mx= s->mv[1][0][0];
2397 my= s->mv[1][0][1];
2398 }else{
2399 mx= s->mv[0][0][0];
2400 my= s->mv[0][0][1];
2401 }
2402
2403 s->mv_dir= best_s.mv_dir;
2404 s->mv_type = best_s.mv_type;
2405 s->mb_intra= 0;
2406/* s->mv[0][0][0] = best_s.mv[0][0][0];
2407 s->mv[0][0][1] = best_s.mv[0][0][1];
2408 s->mv[1][0][0] = best_s.mv[1][0][0];
2409 s->mv[1][0][1] = best_s.mv[1][0][1];*/
2410 backup_s.dquant= 0;
2411 s->skipdct=1;
2412 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
2413 &dmin, &next_block, mx, my);
2414 s->skipdct=0;
2415 }
2416 }
2417
2418 s->current_picture.qscale_table[xy]= best_s.qscale;
2419
2420 copy_context_after_encode(s, &best_s, -1);
2421
2422 pb_bits_count= put_bits_count(&s->pb);
2423 flush_put_bits(&s->pb);
2424 ff_copy_bits(&backup_s.pb, bit_buf[next_block^1], pb_bits_count);
2425 s->pb= backup_s.pb;
2426
2427 if(s->data_partitioning){
2428 pb2_bits_count= put_bits_count(&s->pb2);
2429 flush_put_bits(&s->pb2);
2430 ff_copy_bits(&backup_s.pb2, bit_buf2[next_block^1], pb2_bits_count);
2431 s->pb2= backup_s.pb2;
2432
2433 tex_pb_bits_count= put_bits_count(&s->tex_pb);
2434 flush_put_bits(&s->tex_pb);
2435 ff_copy_bits(&backup_s.tex_pb, bit_buf_tex[next_block^1], tex_pb_bits_count);
2436 s->tex_pb= backup_s.tex_pb;
2437 }
2438 s->last_bits= put_bits_count(&s->pb);
2439
eb75a698
AJ
2440 if (ENABLE_ANY_H263_ENCODER &&
2441 s->out_format == FMT_H263 && s->pict_type!=B_TYPE)
3ada94ba
BF
2442 ff_h263_update_motion_val(s);
2443
2444 if(next_block==0){ //FIXME 16 vs linesize16
2445 s->dsp.put_pixels_tab[0][0](s->dest[0], s->rd_scratchpad , s->linesize ,16);
2446 s->dsp.put_pixels_tab[1][0](s->dest[1], s->rd_scratchpad + 16*s->linesize , s->uvlinesize, 8);
2447 s->dsp.put_pixels_tab[1][0](s->dest[2], s->rd_scratchpad + 16*s->linesize + 8, s->uvlinesize, 8);
2448 }
2449
2450 if(s->avctx->mb_decision == FF_MB_DECISION_BITS)
2451 MPV_decode_mb(s, s->block);
2452 } else {
2453 int motion_x = 0, motion_y = 0;
2454 s->mv_type=MV_TYPE_16X16;
2455 // only one MB-Type possible
2456
2457 switch(mb_type){
2458 case CANDIDATE_MB_TYPE_INTRA:
2459 s->mv_dir = 0;
2460 s->mb_intra= 1;
2461 motion_x= s->mv[0][0][0] = 0;
2462 motion_y= s->mv[0][0][1] = 0;
2463 break;
2464 case CANDIDATE_MB_TYPE_INTER:
2465 s->mv_dir = MV_DIR_FORWARD;
2466 s->mb_intra= 0;
2467 motion_x= s->mv[0][0][0] = s->p_mv_table[xy][0];
2468 motion_y= s->mv[0][0][1] = s->p_mv_table[xy][1];
2469 break;
2470 case CANDIDATE_MB_TYPE_INTER_I:
2471 s->mv_dir = MV_DIR_FORWARD;
2472 s->mv_type = MV_TYPE_FIELD;
2473 s->mb_intra= 0;
2474 for(i=0; i<2; i++){
2475 j= s->field_select[0][i] = s->p_field_select_table[i][xy];
2476 s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
2477 s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
2478 }
2479 break;
2480 case CANDIDATE_MB_TYPE_INTER4V:
2481 s->mv_dir = MV_DIR_FORWARD;
2482 s->mv_type = MV_TYPE_8X8;
2483 s->mb_intra= 0;
2484 for(i=0; i<4; i++){
2485 s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
2486 s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
2487 }
2488 break;
2489 case CANDIDATE_MB_TYPE_DIRECT:
eb75a698 2490 if (ENABLE_MPEG4_ENCODER) {
674eeb5f
AJ
2491 s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT;
2492 s->mb_intra= 0;
2493 motion_x=s->b_direct_mv_table[xy][0];
2494 motion_y=s->b_direct_mv_table[xy][1];
2495 ff_mpeg4_set_direct_mv(s, motion_x, motion_y);
eb75a698 2496 }
3ada94ba
BF
2497 break;
2498 case CANDIDATE_MB_TYPE_DIRECT0:
eb75a698 2499 if (ENABLE_MPEG4_ENCODER) {
674eeb5f
AJ
2500 s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT;
2501 s->mb_intra= 0;
2502 ff_mpeg4_set_direct_mv(s, 0, 0);
eb75a698 2503 }
3ada94ba
BF
2504 break;
2505 case CANDIDATE_MB_TYPE_BIDIR:
2506 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2507 s->mb_intra= 0;
2508 s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
2509 s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
2510 s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
2511 s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
2512 break;
2513 case CANDIDATE_MB_TYPE_BACKWARD:
2514 s->mv_dir = MV_DIR_BACKWARD;
2515 s->mb_intra= 0;
2516 motion_x= s->mv[1][0][0] = s->b_back_mv_table[xy][0];
2517 motion_y= s->mv[1][0][1] = s->b_back_mv_table[xy][1];
2518 break;
2519 case CANDIDATE_MB_TYPE_FORWARD:
2520 s->mv_dir = MV_DIR_FORWARD;
2521 s->mb_intra= 0;
2522 motion_x= s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
2523 motion_y= s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
2524// printf(" %d %d ", motion_x, motion_y);
2525 break;
2526 case CANDIDATE_MB_TYPE_FORWARD_I:
2527 s->mv_dir = MV_DIR_FORWARD;
2528 s->mv_type = MV_TYPE_FIELD;
2529 s->mb_intra= 0;
2530 for(i=0; i<2; i++){
2531 j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
2532 s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
2533 s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
2534 }
2535 break;
2536 case CANDIDATE_MB_TYPE_BACKWARD_I:
2537 s->mv_dir = MV_DIR_BACKWARD;
2538 s->mv_type = MV_TYPE_FIELD;
2539 s->mb_intra= 0;
2540 for(i=0; i<2; i++){
2541 j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
2542 s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
2543 s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
2544 }
2545 break;
2546 case CANDIDATE_MB_TYPE_BIDIR_I:
2547 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2548 s->mv_type = MV_TYPE_FIELD;
2549 s->mb_intra= 0;
2550 for(dir=0; dir<2; dir++){
2551 for(i=0; i<2; i++){
2552 j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
2553 s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
2554 s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
2555 }
2556 }
2557 break;
2558 default:
2559 av_log(s->avctx, AV_LOG_ERROR, "illegal MB type\n");
2560 }
2561
2562 encode_mb(s, motion_x, motion_y);
2563
2564 // RAL: Update last macroblock type
2565 s->last_mv_dir = s->mv_dir;
2566
eb75a698
AJ
2567 if (ENABLE_ANY_H263_ENCODER &&
2568 s->out_format == FMT_H263 && s->pict_type!=B_TYPE)
3ada94ba
BF
2569 ff_h263_update_motion_val(s);
2570
2571 MPV_decode_mb(s, s->block);
2572 }
2573
2574 /* clean the MV table in IPS frames for direct mode in B frames */
2575 if(s->mb_intra /* && I,P,S_TYPE */){
2576 s->p_mv_table[xy][0]=0;
2577 s->p_mv_table[xy][1]=0;
2578 }
2579
2580 if(s->flags&CODEC_FLAG_PSNR){
2581 int w= 16;
2582 int h= 16;
2583
2584 if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
2585 if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
2586
2587 s->current_picture.error[0] += sse(
2588 s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16,
2589 s->dest[0], w, h, s->linesize);
2590 s->current_picture.error[1] += sse(
2591 s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,
2592 s->dest[1], w>>1, h>>1, s->uvlinesize);
2593 s->current_picture.error[2] += sse(
2594 s, s->new_picture .data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,
2595 s->dest[2], w>>1, h>>1, s->uvlinesize);
2596 }
2597 if(s->loop_filter){
eb75a698 2598 if(ENABLE_ANY_H263_ENCODER && s->out_format == FMT_H263)
3ada94ba
BF
2599 ff_h263_loop_filter(s);
2600 }
2601//printf("MB %d %d bits\n", s->mb_x+s->mb_y*s->mb_stride, put_bits_count(&s->pb));
2602 }
2603 }
2604
2605 //not beautiful here but we must write it before flushing so it has to be here
2606 if (ENABLE_MSMPEG4_ENCODER && s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type == I_TYPE)
2607 msmpeg4_encode_ext_header(s);
2608
2609 write_slice_end(s);
2610
2611 /* Send the last GOB if RTP */
2612 if (s->avctx->rtp_callback) {
2613 int number_mb = (mb_y - s->resync_mb_y)*s->mb_width - s->resync_mb_x;
2614 pdif = pbBufPtr(&s->pb) - s->ptr_lastgob;
2615 /* Call the RTP callback to send the last GOB */
2616 emms_c();
2617 s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, pdif, number_mb);
2618 }
2619
2620 return 0;
2621}
2622
2623#define MERGE(field) dst->field += src->field; src->field=0
2624static void merge_context_after_me(MpegEncContext *dst, MpegEncContext *src){
2625 MERGE(me.scene_change_score);
2626 MERGE(me.mc_mb_var_sum_temp);
2627 MERGE(me.mb_var_sum_temp);
2628}
2629
2630static void merge_context_after_encode(MpegEncContext *dst, MpegEncContext *src){
2631 int i;
2632
2633 MERGE(dct_count[0]); //note, the other dct vars are not part of the context
2634 MERGE(dct_count[1]);
2635 MERGE(mv_bits);
2636 MERGE(i_tex_bits);
2637 MERGE(p_tex_bits);
2638 MERGE(i_count);
2639 MERGE(f_count);
2640 MERGE(b_count);
2641 MERGE(skip_count);
2642 MERGE(misc_bits);
2643 MERGE(error_count);
2644 MERGE(padding_bug_score);
2645 MERGE(current_picture.error[0]);
2646 MERGE(current_picture.error[1]);
2647 MERGE(current_picture.error[2]);
2648
2649 if(dst->avctx->noise_reduction){
2650 for(i=0; i<64; i++){
2651 MERGE(dct_error_sum[0][i]);
2652 MERGE(dct_error_sum[1][i]);
2653 }
2654 }
2655
2656 assert(put_bits_count(&src->pb) % 8 ==0);
2657 assert(put_bits_count(&dst->pb) % 8 ==0);
2658 ff_copy_bits(&dst->pb, src->pb.buf, put_bits_count(&src->pb));
2659 flush_put_bits(&dst->pb);
2660}
2661
2662static int estimate_qp(MpegEncContext *s, int dry_run){
2663 if (s->next_lambda){
2664 s->current_picture_ptr->quality=
2665 s->current_picture.quality = s->next_lambda;
2666 if(!dry_run) s->next_lambda= 0;
2667 } else if (!s->fixed_qscale) {
2668 s->current_picture_ptr->quality=
2669 s->current_picture.quality = ff_rate_estimate_qscale(s, dry_run);
2670 if (s->current_picture.quality < 0)
2671 return -1;
2672 }
2673
2674 if(s->adaptive_quant){
2675 switch(s->codec_id){
2676 case CODEC_ID_MPEG4:
eb75a698 2677 if (ENABLE_MPEG4_ENCODER)
674eeb5f 2678 ff_clean_mpeg4_qscales(s);
3ada94ba
BF
2679 break;
2680 case CODEC_ID_H263:
2681 case CODEC_ID_H263P:
2682 case CODEC_ID_FLV1:
eb75a698 2683 if (ENABLE_H263_ENCODER||ENABLE_H263P_ENCODER||ENABLE_FLV_ENCODER)
674eeb5f 2684 ff_clean_h263_qscales(s);
3ada94ba
BF
2685 break;
2686 }
2687
2688 s->lambda= s->lambda_table[0];
2689 //FIXME broken
2690 }else
2691 s->lambda= s->current_picture.quality;
2692//printf("%d %d\n", s->avctx->global_quality, s->current_picture.quality);
2693 update_qscale(s);
2694 return 0;
2695}
2696
7da31a80
AJ
2697/* must be called before writing the header */
2698static void set_frame_distances(MpegEncContext * s){
2699 assert(s->current_picture_ptr->pts != AV_NOPTS_VALUE);
2700 s->time= s->current_picture_ptr->pts*s->avctx->time_base.num;
2701
2702 if(s->pict_type==B_TYPE){
2703 s->pb_time= s->pp_time - (s->last_non_b_time - s->time);
2704 assert(s->pb_time > 0 && s->pb_time < s->pp_time);
2705 }else{
2706 s->pp_time= s->time - s->last_non_b_time;
2707 s->last_non_b_time= s->time;
2708 assert(s->picture_number==0 || s->pp_time > 0);
2709 }
2710}
2711
3ada94ba
BF
2712static int encode_picture(MpegEncContext *s, int picture_number)
2713{
2714 int i;
2715 int bits;
2716
2717 s->picture_number = picture_number;
2718
2719 /* Reset the average MB variance */
2720 s->me.mb_var_sum_temp =
2721 s->me.mc_mb_var_sum_temp = 0;
2722
2723 /* we need to initialize some time vars before we can encode b-frames */
2724 // RAL: Condition added for MPEG1VIDEO
2725 if (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO || (s->h263_pred && !s->h263_msmpeg4))
7da31a80
AJ
2726 set_frame_distances(s);
2727 if(ENABLE_MPEG4_ENCODER && s->codec_id == CODEC_ID_MPEG4)
2728 ff_set_mpeg4_time(s);
3ada94ba
BF
2729
2730 s->me.scene_change_score=0;
2731
2732// s->lambda= s->current_picture_ptr->quality; //FIXME qscale / ... stuff for ME ratedistoration
2733
2734 if(s->pict_type==I_TYPE){
2735 if(s->msmpeg4_version >= 3) s->no_rounding=1;
2736 else s->no_rounding=0;
2737 }else if(s->pict_type!=B_TYPE){
2738 if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
2739 s->no_rounding ^= 1;
2740 }
2741
2742 if(s->flags & CODEC_FLAG_PASS2){
2743 if (estimate_qp(s,1) < 0)
2744 return -1;
2745 ff_get_2pass_fcode(s);
2746 }else if(!(s->flags & CODEC_FLAG_QSCALE)){
2747 if(s->pict_type==B_TYPE)
2748 s->lambda= s->last_lambda_for[s->pict_type];
2749 else
2750 s->lambda= s->last_lambda_for[s->last_non_b_pict_type];
2751 update_qscale(s);
2752 }
2753
2754 s->mb_intra=0; //for the rate distortion & bit compare functions
2755 for(i=1; i<s->avctx->thread_count; i++){
2756 ff_update_duplicate_context(s->thread_context[i], s);
2757 }
2758
2759 ff_init_me(s);
2760
2761 /* Estimate motion for every MB */
2762 if(s->pict_type != I_TYPE){
2763 s->lambda = (s->lambda * s->avctx->me_penalty_compensation + 128)>>8;
2764 s->lambda2= (s->lambda2* (int64_t)s->avctx->me_penalty_compensation + 128)>>8;
2765 if(s->pict_type != B_TYPE && s->avctx->me_threshold==0){
2766 if((s->avctx->pre_me && s->last_non_b_pict_type==I_TYPE) || s->avctx->pre_me==2){
2767 s->avctx->execute(s->avctx, pre_estimate_motion_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count);
2768 }
2769 }
2770
2771 s->avctx->execute(s->avctx, estimate_motion_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count);
2772 }else /* if(s->pict_type == I_TYPE) */{
2773 /* I-Frame */
2774 for(i=0; i<s->mb_stride*s->mb_height; i++)
2775 s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
2776
2777 if(!s->fixed_qscale){
2778 /* finding spatial complexity for I-frame rate control */
2779 s->avctx->execute(s->avctx, mb_var_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count);
2780 }
2781 }
2782 for(i=1; i<s->avctx->thread_count; i++){
2783 merge_context_after_me(s, s->thread_context[i]);
2784 }
2785 s->current_picture.mc_mb_var_sum= s->current_picture_ptr->mc_mb_var_sum= s->me.mc_mb_var_sum_temp;
2786 s->current_picture. mb_var_sum= s->current_picture_ptr-> mb_var_sum= s->me. mb_var_sum_temp;
2787 emms_c();
2788
2789 if(s->me.scene_change_score > s->avctx->scenechange_threshold && s->pict_type == P_TYPE){
2790 s->pict_type= I_TYPE;
2791 for(i=0; i<s->mb_stride*s->mb_height; i++)
2792 s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
2793//printf("Scene change detected, encoding as I Frame %d %d\n", s->current_picture.mb_var_sum, s->current_picture.mc_mb_var_sum);
2794 }
2795
2796 if(!s->umvplus){
2797 if(s->pict_type==P_TYPE || s->pict_type==S_TYPE) {
2798 s->f_code= ff_get_best_fcode(s, s->p_mv_table, CANDIDATE_MB_TYPE_INTER);
2799
2800 if(s->flags & CODEC_FLAG_INTERLACED_ME){
2801 int a,b;
2802 a= ff_get_best_fcode(s, s->p_field_mv_table[0][0], CANDIDATE_MB_TYPE_INTER_I); //FIXME field_select
2803 b= ff_get_best_fcode(s, s->p_field_mv_table[1][1], CANDIDATE_MB_TYPE_INTER_I);
2804 s->f_code= FFMAX(s->f_code, FFMAX(a,b));
2805 }
2806
2807 ff_fix_long_p_mvs(s);
2808 ff_fix_long_mvs(s, NULL, 0, s->p_mv_table, s->f_code, CANDIDATE_MB_TYPE_INTER, 0);
2809 if(s->flags & CODEC_FLAG_INTERLACED_ME){
2810 int j;
2811 for(i=0; i<2; i++){
2812 for(j=0; j<2; j++)
2813 ff_fix_long_mvs(s, s->p_field_select_table[i], j,
2814 s->p_field_mv_table[i][j], s->f_code, CANDIDATE_MB_TYPE_INTER_I, 0);
2815 }
2816 }
2817 }
2818
2819 if(s->pict_type==B_TYPE){
2820 int a, b;
2821
2822 a = ff_get_best_fcode(s, s->b_forw_mv_table, CANDIDATE_MB_TYPE_FORWARD);
2823 b = ff_get_best_fcode(s, s->b_bidir_forw_mv_table, CANDIDATE_MB_TYPE_BIDIR);
2824 s->f_code = FFMAX(a, b);
2825
2826 a = ff_get_best_fcode(s, s->b_back_mv_table, CANDIDATE_MB_TYPE_BACKWARD);
2827 b = ff_get_best_fcode(s, s->b_bidir_back_mv_table, CANDIDATE_MB_TYPE_BIDIR);
2828 s->b_code = FFMAX(a, b);
2829
2830 ff_fix_long_mvs(s, NULL, 0, s->b_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_FORWARD, 1);
2831 ff_fix_long_mvs(s, NULL, 0, s->b_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BACKWARD, 1);
2832 ff_fix_long_mvs(s, NULL, 0, s->b_bidir_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_BIDIR, 1);
2833 ff_fix_long_mvs(s, NULL, 0, s->b_bidir_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BIDIR, 1);
2834 if(s->flags & CODEC_FLAG_INTERLACED_ME){
2835 int dir, j;
2836 for(dir=0; dir<2; dir++){
2837 for(i=0; i<2; i++){
2838 for(j=0; j<2; j++){
2839 int type= dir ? (CANDIDATE_MB_TYPE_BACKWARD_I|CANDIDATE_MB_TYPE_BIDIR_I)
2840 : (CANDIDATE_MB_TYPE_FORWARD_I |CANDIDATE_MB_TYPE_BIDIR_I);
2841 ff_fix_long_mvs(s, s->b_field_select_table[dir][i], j,
2842 s->b_field_mv_table[dir][i][j], dir ? s->b_code : s->f_code, type, 1);
2843 }
2844 }
2845 }
2846 }
2847 }
2848 }
2849
2850 if (estimate_qp(s, 0) < 0)
2851 return -1;
2852
2853 if(s->qscale < 3 && s->max_qcoeff<=128 && s->pict_type==I_TYPE && !(s->flags & CODEC_FLAG_QSCALE))
2854 s->qscale= 3; //reduce clipping problems
2855
2856 if (s->out_format == FMT_MJPEG) {
2857 /* for mjpeg, we do include qscale in the matrix */
2858 s->intra_matrix[0] = ff_mpeg1_default_intra_matrix[0];
2859 for(i=1;i<64;i++){
2860 int j= s->dsp.idct_permutation[i];
2861
2862 s->intra_matrix[j] = av_clip_uint8((ff_mpeg1_default_intra_matrix[i] * s->qscale) >> 3);
2863 }
69cea75f 2864 ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
3ada94ba
BF
2865 s->intra_matrix, s->intra_quant_bias, 8, 8, 1);
2866 s->qscale= 8;
2867 }
2868
2869 //FIXME var duplication
2870 s->current_picture_ptr->key_frame=
2871 s->current_picture.key_frame= s->pict_type == I_TYPE; //FIXME pic_ptr
2872 s->current_picture_ptr->pict_type=
2873 s->current_picture.pict_type= s->pict_type;
2874
2875 if(s->current_picture.key_frame)
2876 s->picture_in_gop_number=0;
2877
2878 s->last_bits= put_bits_count(&s->pb);
2879 switch(s->out_format) {
2880 case FMT_MJPEG:
2881 if (ENABLE_MJPEG_ENCODER)
2882 ff_mjpeg_encode_picture_header(s);
2883 break;
2884 case FMT_H261:
2885 if (ENABLE_H261_ENCODER)
2886 ff_h261_encode_picture_header(s, picture_number);
2887 break;
2888 case FMT_H263:
2889 if (ENABLE_WMV2_ENCODER && s->codec_id == CODEC_ID_WMV2)
2890 ff_wmv2_encode_picture_header(s, picture_number);
2891 else if (ENABLE_MSMPEG4_ENCODER && s->h263_msmpeg4)
2892 msmpeg4_encode_picture_header(s, picture_number);
eb75a698 2893 else if (ENABLE_MPEG4_ENCODER && s->h263_pred)
3ada94ba
BF
2894 mpeg4_encode_picture_header(s, picture_number);
2895 else if (ENABLE_RV10_ENCODER && s->codec_id == CODEC_ID_RV10)
2896 rv10_encode_picture_header(s, picture_number);
2897 else if (ENABLE_RV20_ENCODER && s->codec_id == CODEC_ID_RV20)
2898 rv20_encode_picture_header(s, picture_number);
eb75a698 2899 else if (ENABLE_FLV_ENCODER && s->codec_id == CODEC_ID_FLV1)
3ada94ba 2900 ff_flv_encode_picture_header(s, picture_number);
eb75a698 2901 else if (ENABLE_ANY_H263_ENCODER)
3ada94ba
BF
2902 h263_encode_picture_header(s, picture_number);
2903 break;
2904 case FMT_MPEG1:
a6bc5731 2905 if (ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER)
56be950a 2906 mpeg1_encode_picture_header(s, picture_number);
3ada94ba
BF
2907 break;
2908 case FMT_H264:
2909 break;
2910 default:
2911 assert(0);
2912 }
2913 bits= put_bits_count(&s->pb);
2914 s->header_bits= bits - s->last_bits;
2915
2916 for(i=1; i<s->avctx->thread_count; i++){
2917 update_duplicate_context_after_me(s->thread_context[i], s);
2918 }
2919 s->avctx->execute(s->avctx, encode_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count);
2920 for(i=1; i<s->avctx->thread_count; i++){
2921 merge_context_after_encode(s, s->thread_context[i]);
2922 }
2923 emms_c();
2924 return 0;
2925}
2926
2927void denoise_dct_c(MpegEncContext *s, DCTELEM *block){
2928 const int intra= s->mb_intra;
2929 int i;
2930
2931 s->dct_count[intra]++;
2932
2933 for(i=0; i<64; i++){
2934 int level= block[i];
2935
2936 if(level){
2937 if(level>0){
2938 s->dct_error_sum[intra][i] += level;
2939 level -= s->dct_offset[intra][i];
2940 if(level<0) level=0;
2941 }else{
2942 s->dct_error_sum[intra][i] -= level;
2943 level += s->dct_offset[intra][i];
2944 if(level>0) level=0;
2945 }
2946 block[i]= level;
2947 }
2948 }
2949}
2950
2951int dct_quantize_trellis_c(MpegEncContext *s,
2952 DCTELEM *block, int n,
2953 int qscale, int *overflow){
2954 const int *qmat;
2955 const uint8_t *scantable= s->intra_scantable.scantable;
2956 const uint8_t *perm_scantable= s->intra_scantable.permutated;
2957 int max=0;
2958 unsigned int threshold1, threshold2;
2959 int bias=0;
2960 int run_tab[65];
2961 int level_tab[65];
2962 int score_tab[65];
2963 int survivor[65];
2964 int survivor_count;
2965 int last_run=0;
2966 int last_level=0;
2967 int last_score= 0;
2968 int last_i;
2969 int coeff[2][64];
2970 int coeff_count[64];
2971 int qmul, qadd, start_i, last_non_zero, i, dc;
2972 const int esc_length= s->ac_esc_length;
2973 uint8_t * length;
2974 uint8_t * last_length;
2975 const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6);
2976
2977 s->dsp.fdct (block);
2978
2979 if(s->dct_error_sum)
2980 s->denoise_dct(s, block);
2981 qmul= qscale*16;
2982 qadd= ((qscale-1)|1)*8;
2983
2984 if (s->mb_intra) {
2985 int q;
2986 if (!s->h263_aic) {
2987 if (n < 4)
2988 q = s->y_dc_scale;
2989 else
2990 q = s->c_dc_scale;
2991 q = q << 3;
2992 } else{
2993 /* For AIC we skip quant/dequant of INTRADC */
2994 q = 1 << 3;
2995 qadd=0;
2996 }
2997
2998 /* note: block[0] is assumed to be positive */
2999 block[0] = (block[0] + (q >> 1)) / q;
3000 start_i = 1;
3001 last_non_zero = 0;
3002 qmat = s->q_intra_matrix[qscale];
3003 if(s->mpeg_quant || s->out_format == FMT_MPEG1)
3004 bias= 1<<(QMAT_SHIFT-1);
3005 length = s->intra_ac_vlc_length;
3006 last_length= s->intra_ac_vlc_last_length;
3007 } else {
3008 start_i = 0;
3009 last_non_zero = -1;
3010 qmat = s->q_inter_matrix[qscale];
3011 length = s->inter_ac_vlc_length;
3012 last_length= s->inter_ac_vlc_last_length;
3013 }
3014 last_i= start_i;
3015
3016 threshold1= (1<<QMAT_SHIFT) - bias - 1;
3017 threshold2= (threshold1<<1);
3018
3019 for(i=63; i>=start_i; i--) {
3020 const int j = scantable[i];
3021 int level = block[j] * qmat[j];
3022
3023 if(((unsigned)(level+threshold1))>threshold2){
3024 last_non_zero = i;
3025 break;
3026 }
3027 }
3028
3029 for(i=start_i; i<=last_non_zero; i++) {
3030 const int j = scantable[i];
3031 int level = block[j] * qmat[j];
3032
3033// if( bias+level >= (1<<(QMAT_SHIFT - 3))
3034// || bias-level >= (1<<(QMAT_SHIFT - 3))){
3035 if(((unsigned)(level+threshold1))>threshold2){
3036 if(level>0){
3037 level= (bias + level)>>QMAT_SHIFT;
3038 coeff[0][i]= level;
3039 coeff[1][i]= level-1;
3040// coeff[2][k]= level-2;
3041 }else{
3042 level= (bias - level)>>QMAT_SHIFT;
3043 coeff[0][i]= -level;
3044 coeff[1][i]= -level+1;
3045// coeff[2][k]= -level+2;
3046 }
3047 coeff_count[i]= FFMIN(level, 2);
3048 assert(coeff_count[i]);
3049 max |=level;
3050 }else{
3051 coeff[0][i]= (level>>31)|1;
3052 coeff_count[i]= 1;
3053 }
3054 }
3055
3056 *overflow= s->max_qcoeff < max; //overflow might have happened
3057
3058 if(last_non_zero < start_i){
3059 memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM));
3060 return last_non_zero;
3061 }
3062
3063 score_tab[start_i]= 0;
3064 survivor[0]= start_i;
3065 survivor_count= 1;
3066
3067 for(i=start_i; i<=last_non_zero; i++){
3068 int level_index, j;
3069 const int dct_coeff= FFABS(block[ scantable[i] ]);
3070 const int zero_distoration= dct_coeff*dct_coeff;
3071 int best_score=256*256*256*120;
3072 for(level_index=0; level_index < coeff_count[i]; level_index++){
3073 int distoration;
3074 int level= coeff[level_index][i];
3075 const int alevel= FFABS(level);
3076 int unquant_coeff;
3077
3078 assert(level);
3079
3080 if(s->out_format == FMT_H263){
3081 unquant_coeff= alevel*qmul + qadd;
3082 }else{ //MPEG1
3083 j= s->dsp.idct_permutation[ scantable[i] ]; //FIXME optimize
3084 if(s->mb_intra){
3085 unquant_coeff = (int)( alevel * qscale * s->intra_matrix[j]) >> 3;
3086 unquant_coeff = (unquant_coeff - 1) | 1;
3087 }else{
3088 unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[j])) >> 4;
3089 unquant_coeff = (unquant_coeff - 1) | 1;
3090 }
3091 unquant_coeff<<= 3;
3092 }
3093
3094 distoration= (unquant_coeff - dct_coeff) * (unquant_coeff - dct_coeff) - zero_distoration;
3095 level+=64;
3096 if((level&(~127)) == 0){
3097 for(j=survivor_count-1; j>=0; j--){
3098 int run= i - survivor[j];
3099 int score= distoration + length[UNI_AC_ENC_INDEX(run, level)]*lambda;
3100 score += score_tab[i-run];
3101
3102 if(score < best_score){
3103 best_score= score;
3104 run_tab[i+1]= run;
3105 level_tab[i+1]= level-64;
3106 }
3107 }
3108
3109 if(s->out_format == FMT_H263){
3110 for(j=survivor_count-1; j>=0; j--){
3111 int run= i - survivor[j];
3112 int score= distoration + last_length[UNI_AC_ENC_INDEX(run, level)]*lambda;
3113 score += score_tab[i-run];
3114 if(score < last_score){
3115 last_score= score;
3116 last_run= run;
3117 last_level= level-64;
3118 last_i= i+1;
3119 }
3120 }
3121 }
3122 }else{
3123 distoration += esc_length*lambda;
3124 for(j=survivor_count-1; j>=0; j--){
3125 int run= i - survivor[j];
3126 int score= distoration + score_tab[i-run];
3127
3128 if(score < best_score){
3129 best_score= score;
3130 run_tab[i+1]= run;
3131 level_tab[i+1]= level-64;
3132 }
3133 }
3134
3135 if(s->out_format == FMT_H263){
3136 for(j=survivor_count-1; j>=0; j--){
3137 int run= i - survivor[j];
3138 int score= distoration + score_tab[i-run];
3139 if(score < last_score){
3140 last_score= score;
3141 last_run= run;
3142 last_level= level-64;
3143 last_i= i+1;
3144 }
3145 }
3146 }
3147 }
3148 }
3149
3150 score_tab[i+1]= best_score;
3151
3152 //Note: there is a vlc code in mpeg4 which is 1 bit shorter then another one with a shorter run and the same level
3153 if(last_non_zero <= 27){
3154 for(; survivor_count; survivor_count--){
3155 if(score_tab[ survivor[survivor_count-1] ] <= best_score)
3156 break;
3157 }
3158 }else{
3159 for(; survivor_count; survivor_count--){
3160 if(score_tab[ survivor[survivor_count-1] ] <= best_score + lambda)
3161 break;
3162 }
3163 }
3164
3165 survivor[ survivor_count++ ]= i+1;
3166 }
3167
3168 if(s->out_format != FMT_H263){
3169 last_score= 256*256*256*120;
3170 for(i= survivor[0]; i<=last_non_zero + 1; i++){
3171 int score= score_tab[i];
3172 if(i) score += lambda*2; //FIXME exacter?
3173
3174 if(score < last_score){
3175 last_score= score;
3176 last_i= i;
3177 last_level= level_tab[i];
3178 last_run= run_tab[i];
3179 }
3180 }
3181 }
3182
3183 s->coded_score[n] = last_score;
3184
3185 dc= FFABS(block[0]);
3186 last_non_zero= last_i - 1;
3187 memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM));
3188
3189 if(last_non_zero < start_i)
3190 return last_non_zero;
3191
3192 if(last_non_zero == 0 && start_i == 0){
3193 int best_level= 0;
3194 int best_score= dc * dc;
3195
3196 for(i=0; i<coeff_count[0]; i++){
3197 int level= coeff[i][0];
3198 int alevel= FFABS(level);
3199 int unquant_coeff, score, distortion;
3200
3201 if(s->out_format == FMT_H263){
3202 unquant_coeff= (alevel*qmul + qadd)>>3;
3203 }else{ //MPEG1
3204 unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[0])) >> 4;
3205 unquant_coeff = (unquant_coeff - 1) | 1;
3206 }
3207 unquant_coeff = (unquant_coeff + 4) >> 3;
3208 unquant_coeff<<= 3 + 3;
3209
3210 distortion= (unquant_coeff - dc) * (unquant_coeff - dc);
3211 level+=64;
3212 if((level&(~127)) == 0) score= distortion + last_length[UNI_AC_ENC_INDEX(0, level)]*lambda;
3213 else score= distortion + esc_length*lambda;
3214
3215 if(score < best_score){
3216 best_score= score;
3217 best_level= level - 64;
3218 }
3219 }
3220 block[0]= best_level;
3221 s->coded_score[n] = best_score - dc*dc;
3222 if(best_level == 0) return -1;
3223 else return last_non_zero;
3224 }
3225
3226 i= last_i;
3227 assert(last_level);
3228
3229 block[ perm_scantable[last_non_zero] ]= last_level;
3230 i -= last_run + 1;
3231
3232 for(; i>start_i; i -= run_tab[i] + 1){
3233 block[ perm_scantable[i-1] ]= level_tab[i];
3234 }
3235
3236 return last_non_zero;
3237}
3238
3239//#define REFINE_STATS 1
3240static int16_t basis[64][64];
3241
3242static void build_basis(uint8_t *perm){
3243 int i, j, x, y;
3244 emms_c();
3245 for(i=0; i<8; i++){
3246 for(j=0; j<8; j++){
3247 for(y=0; y<8; y++){
3248 for(x=0; x<8; x++){
3249 double s= 0.25*(1<<BASIS_SHIFT);
3250 int index= 8*i + j;
3251 int perm_index= perm[index];
3252 if(i==0) s*= sqrt(0.5);
3253 if(j==0) s*= sqrt(0.5);
3254 basis[perm_index][8*x + y]= lrintf(s * cos((M_PI/8.0)*i*(x+0.5)) * cos((M_PI/8.0)*j*(y+0.5)));
3255 }
3256 }
3257 }
3258 }
3259}
3260
3261static int dct_quantize_refine(MpegEncContext *s, //FIXME breaks denoise?
3262 DCTELEM *block, int16_t *weight, DCTELEM *orig,
3263 int n, int qscale){
3264 int16_t rem[64];
3265 DECLARE_ALIGNED_16(DCTELEM, d1[64]);
3266 const int *qmat;
3267 const uint8_t *scantable= s->intra_scantable.scantable;
3268 const uint8_t *perm_scantable= s->intra_scantable.permutated;
3269// unsigned int threshold1, threshold2;
3270// int bias=0;
3271 int run_tab[65];
3272 int prev_run=0;
3273 int prev_level=0;
3274 int qmul, qadd, start_i, last_non_zero, i, dc;
3275 uint8_t * length;
3276 uint8_t * last_length;
3277 int lambda;
3278 int rle_index, run, q = 1, sum; //q is only used when s->mb_intra is true
3279#ifdef REFINE_STATS
3280static int count=0;
3281static int after_last=0;
3282static int to_zero=0;
3283static int from_zero=0;
3284static int raise=0;
3285static int lower=0;
3286static int messed_sign=0;
3287#endif
3288
3289 if(basis[0][0] == 0)
3290 build_basis(s->dsp.idct_permutation);
3291
3292 qmul= qscale*2;
3293 qadd= (qscale-1)|1;
3294 if (s->mb_intra) {
3295 if (!s->h263_aic) {
3296 if (n < 4)
3297 q = s->y_dc_scale;
3298 else
3299 q = s->c_dc_scale;
3300 } else{
3301 /* For AIC we skip quant/dequant of INTRADC */
3302 q = 1;
3303 qadd=0;
3304 }
3305 q <<= RECON_SHIFT-3;
3306 /* note: block[0] is assumed to be positive */
3307 dc= block[0]*q;
3308// block[0] = (block[0] + (q >> 1)) / q;
3309 start_i = 1;
3310 qmat = s->q_intra_matrix[qscale];
3311// if(s->mpeg_quant || s->out_format == FMT_MPEG1)
3312// bias= 1<<(QMAT_SHIFT-1);
3313 length = s->intra_ac_vlc_length;
3314 last_length= s->intra_ac_vlc_last_length;
3315 } else {
3316 dc= 0;
3317 start_i = 0;
3318 qmat = s->q_inter_matrix[qscale];
3319 length = s->inter_ac_vlc_length;
3320 last_length= s->inter_ac_vlc_last_length;
3321 }
3322 last_non_zero = s->block_last_index[n];
3323
3324#ifdef REFINE_STATS
3325{START_TIMER
3326#endif
3327 dc += (1<<(RECON_SHIFT-1));
3328 for(i=0; i<64; i++){
3329 rem[i]= dc - (orig[i]<<RECON_SHIFT); //FIXME use orig dirrectly instead of copying to rem[]
3330 }
3331#ifdef REFINE_STATS
3332STOP_TIMER("memset rem[]")}
3333#endif
3334 sum=0;
3335 for(i=0; i<64; i++){
3336 int one= 36;
3337 int qns=4;
3338 int w;
3339
3340 w= FFABS(weight[i]) + qns*one;
3341 w= 15 + (48*qns*one + w/2)/w; // 16 .. 63
3342
3343 weight[i] = w;
3344// w=weight[i] = (63*qns + (w/2)) / w;
3345
3346 assert(w>0);
3347 assert(w<(1<<6));
3348 sum += w*w;
3349 }
3350 lambda= sum*(uint64_t)s->lambda2 >> (FF_LAMBDA_SHIFT - 6 + 6 + 6 + 6);
3351#ifdef REFINE_STATS
3352{START_TIMER
3353#endif
3354 run=0;
3355 rle_index=0;
3356 for(i=start_i; i<=last_non_zero; i++){
3357 int j= perm_scantable[i];
3358 const int level= block[j];
3359 int coeff;
3360
3361 if(level){
3362 if(level<0) coeff= qmul*level - qadd;
3363 else coeff= qmul*level + qadd;
3364 run_tab[rle_index++]=run;
3365 run=0;
3366
3367 s->dsp.add_8x8basis(rem, basis[j], coeff);
3368 }else{
3369 run++;
3370 }
3371 }
3372#ifdef REFINE_STATS
3373if(last_non_zero>0){
3374STOP_TIMER("init rem[]")
3375}
3376}
3377
3378{START_TIMER
3379#endif
3380 for(;;){
3381 int best_score=s->dsp.try_8x8basis(rem, weight, basis[0], 0);
3382 int best_coeff=0;
3383 int best_change=0;
3384 int run2, best_unquant_change=0, analyze_gradient;
3385#ifdef REFINE_STATS
3386{START_TIMER
3387#endif
3388 analyze_gradient = last_non_zero > 2 || s->avctx->quantizer_noise_shaping >= 3;
3389
3390 if(analyze_gradient){
3391#ifdef REFINE_STATS
3392{START_TIMER
3393#endif
3394 for(i=0; i<64; i++){
3395 int w= weight[i];
3396
3397 d1[i] = (rem[i]*w*w + (1<<(RECON_SHIFT+12-1)))>>(RECON_SHIFT+12);
3398 }
3399#ifdef REFINE_STATS
3400STOP_TIMER("rem*w*w")}
3401{START_TIMER
3402#endif
3403 s->dsp.fdct(d1);
3404#ifdef REFINE_STATS
3405STOP_TIMER("dct")}
3406#endif
3407 }
3408
3409 if(start_i){
3410 const int level= block[0];
3411 int change, old_coeff;
3412
3413 assert(s->mb_intra);
3414
3415 old_coeff= q*level;
3416
3417 for(change=-1; change<=1; change+=2){
3418 int new_level= level + change;
3419 int score, new_coeff;
3420
3421 new_coeff= q*new_level;
3422 if(new_coeff >= 2048 || new_coeff < 0)
3423 continue;
3424
3425 score= s->dsp.try_8x8basis(rem, weight, basis[0], new_coeff - old_coeff);
3426 if(score<best_score){
3427 best_score= score;
3428 best_coeff= 0;
3429 best_change= change;
3430 best_unquant_change= new_coeff - old_coeff;
3431 }
3432 }
3433 }
3434
3435 run=0;
3436 rle_index=0;
3437 run2= run_tab[rle_index++];
3438 prev_level=0;
3439 prev_run=0;
3440
3441 for(i=start_i; i<64; i++){
3442 int j= perm_scantable[i];
3443 const int level= block[j];
3444 int change, old_coeff;
3445
3446 if(s->avctx->quantizer_noise_shaping < 3 && i > last_non_zero + 1)
3447 break;
3448
3449 if(level){
3450 if(level<0) old_coeff= qmul*level - qadd;
3451 else old_coeff= qmul*level + qadd;
3452 run2= run_tab[rle_index++]; //FIXME ! maybe after last
3453 }else{
3454 old_coeff=0;
3455 run2--;
3456 assert(run2>=0 || i >= last_non_zero );
3457 }
3458
3459 for(change=-1; change<=1; change+=2){
3460 int new_level= level + change;
3461 int score, new_coeff, unquant_change;
3462
3463 score=0;
3464 if(s->avctx->quantizer_noise_shaping < 2 && FFABS(new_level) > FFABS(level))
3465 continue;
3466
3467 if(new_level){
3468 if(new_level<0) new_coeff= qmul*new_level - qadd;
3469 else new_coeff= qmul*new_level + qadd;
3470 if(new_coeff >= 2048 || new_coeff <= -2048)
3471 continue;
3472 //FIXME check for overflow
3473
3474 if(level){
3475 if(level < 63 && level > -63){
3476 if(i < last_non_zero)
3477 score += length[UNI_AC_ENC_INDEX(run, new_level+64)]
3478 - length[UNI_AC_ENC_INDEX(run, level+64)];
3479 else
3480 score += last_length[UNI_AC_ENC_INDEX(run, new_level+64)]
3481 - last_length[UNI_AC_ENC_INDEX(run, level+64)];
3482 }
3483 }else{
3484 assert(FFABS(new_level)==1);
3485
3486 if(analyze_gradient){
3487 int g= d1[ scantable[i] ];
3488 if(g && (g^new_level) >= 0)
3489 continue;
3490 }
3491
3492 if(i < last_non_zero){
3493 int next_i= i + run2 + 1;
3494 int next_level= block[ perm_scantable[next_i] ] + 64;
3495
3496 if(next_level&(~127))
3497 next_level= 0;
3498
3499 if(next_i < last_non_zero)
3500 score += length[UNI_AC_ENC_INDEX(run, 65)]
3501 + length[UNI_AC_ENC_INDEX(run2, next_level)]
3502 - length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
3503 else
3504 score += length[UNI_AC_ENC_INDEX(run, 65)]
3505 + last_length[UNI_AC_ENC_INDEX(run2, next_level)]
3506 - last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
3507 }else{
3508 score += last_length[UNI_AC_ENC_INDEX(run, 65)];
3509 if(prev_level){
3510 score += length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
3511 - last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
3512 }
3513 }
3514 }
3515 }else{
3516 new_coeff=0;
3517 assert(FFABS(level)==1);
3518
3519 if(i < last_non_zero){
3520 int next_i= i + run2 + 1;
3521 int next_level= block[ perm_scantable[next_i] ] + 64;
3522
3523 if(next_level&(~127))
3524 next_level= 0;
3525
3526 if(next_i < last_non_zero)
3527 score += length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
3528 - length[UNI_AC_ENC_INDEX(run2, next_level)]
3529 - length[UNI_AC_ENC_INDEX(run, 65)];
3530 else
3531 score += last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
3532 - last_length[UNI_AC_ENC_INDEX(run2, next_level)]
3533 - length[UNI_AC_ENC_INDEX(run, 65)];
3534 }else{
3535 score += -last_length[UNI_AC_ENC_INDEX(run, 65)];
3536 if(prev_level){
3537 score += last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
3538 - length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
3539 }
3540 }
3541 }
3542
3543 score *= lambda;
3544
3545 unquant_change= new_coeff - old_coeff;
3546 assert((score < 100*lambda && score > -100*lambda) || lambda==0);
3547
3548 score+= s->dsp.try_8x8basis(rem, weight, basis[j], unquant_change);
3549 if(score<best_score){
3550 best_score= score;
3551 best_coeff= i;
3552 best_change= change;
3553 best_unquant_change= unquant_change;
3554 }
3555 }
3556 if(level){
3557 prev_level= level + 64;
3558 if(prev_level&(~127))
3559 prev_level= 0;
3560 prev_run= run;
3561 run=0;
3562 }else{
3563 run++;
3564 }
3565 }
3566#ifdef REFINE_STATS
3567STOP_TIMER("iterative step")}
3568#endif
3569
3570 if(best_change){
3571 int j= perm_scantable[ best_coeff ];
3572
3573 block[j] += best_change;
3574
3575 if(best_coeff > last_non_zero){
3576 last_non_zero= best_coeff;
3577 assert(block[j]);
3578#ifdef REFINE_STATS
3579after_last++;
3580#endif
3581 }else{
3582#ifdef REFINE_STATS
3583if(block[j]){
3584 if(block[j] - best_change){
3585 if(FFABS(block[j]) > FFABS(block[j] - best_change)){
3586 raise++;
3587 }else{
3588 lower++;
3589 }
3590 }else{
3591 from_zero++;
3592 }
3593}else{
3594 to_zero++;
3595}
3596#endif
3597 for(; last_non_zero>=start_i; last_non_zero--){
3598 if(block[perm_scantable[last_non_zero]])
3599 break;
3600 }
3601 }
3602#ifdef REFINE_STATS
3603count++;
3604if(256*256*256*64 % count == 0){
3605 printf("after_last:%d to_zero:%d from_zero:%d raise:%d lower:%d sign:%d xyp:%d/%d/%d\n", after_last, to_zero, from_zero, raise, lower, messed_sign, s->mb_x, s->mb_y, s->picture_number);
3606}
3607#endif
3608 run=0;
3609 rle_index=0;
3610 for(i=start_i; i<=last_non_zero; i++){
3611 int j= perm_scantable[i];
3612 const int level= block[j];
3613
3614 if(level){
3615 run_tab[rle_index++]=run;
3616 run=0;
3617 }else{
3618 run++;
3619 }
3620 }
3621
3622 s->dsp.add_8x8basis(rem, basis[j], best_unquant_change);
3623 }else{
3624 break;
3625 }
3626 }
3627#ifdef REFINE_STATS
3628if(last_non_zero>0){
3629STOP_TIMER("iterative search")
3630}
3631}
3632#endif
3633
3634 return last_non_zero;
3635}
3636
3637int dct_quantize_c(MpegEncContext *s,
3638 DCTELEM *block, int n,
3639 int qscale, int *overflow)
3640{
3641 int i, j, level, last_non_zero, q, start_i;
3642 const int *qmat;
3643 const uint8_t *scantable= s->intra_scantable.scantable;
3644 int bias;
3645 int max=0;
3646 unsigned int threshold1, threshold2;
3647
3648 s->dsp.fdct (block);
3649
3650 if(s->dct_error_sum)
3651 s->denoise_dct(s, block);
3652
3653 if (s->mb_intra) {
3654 if (!s->h263_aic) {
3655 if (n < 4)
3656 q = s->y_dc_scale;
3657 else
3658 q = s->c_dc_scale;
3659 q = q << 3;
3660 } else
3661 /* For AIC we skip quant/dequant of INTRADC */
3662 q = 1 << 3;
3663
3664 /* note: block[0] is assumed to be positive */
3665 block[0] = (block[0] + (q >> 1)) / q;
3666 start_i = 1;
3667 last_non_zero = 0;
3668 qmat = s->q_intra_matrix[qscale];
3669 bias= s->intra_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT);
3670 } else {
3671 start_i = 0;
3672 last_non_zero = -1;
3673 qmat = s->q_inter_matrix[qscale];
3674 bias= s->inter_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT);
3675 }
3676 threshold1= (1<<QMAT_SHIFT) - bias - 1;
3677 threshold2= (threshold1<<1);
3678 for(i=63;i>=start_i;i--) {
3679 j = scantable[i];
3680 level = block[j] * qmat[j];
3681
3682 if(((unsigned)(level+threshold1))>threshold2){
3683 last_non_zero = i;
3684 break;
3685 }else{
3686 block[j]=0;
3687 }
3688 }
3689 for(i=start_i; i<=last_non_zero; i++) {
3690 j = scantable[i];
3691 level = block[j] * qmat[j];
3692
3693// if( bias+level >= (1<<QMAT_SHIFT)
3694// || bias-level >= (1<<QMAT_SHIFT)){
3695 if(((unsigned)(level+threshold1))>threshold2){
3696 if(level>0){
3697 level= (bias + level)>>QMAT_SHIFT;
3698 block[j]= level;
3699 }else{
3700 level= (bias - level)>>QMAT_SHIFT;
3701 block[j]= -level;
3702 }
3703 max |=level;
3704 }else{
3705 block[j]=0;
3706 }
3707 }
3708 *overflow= s->max_qcoeff < max; //overflow might have happened
3709
3710 /* we need this permutation so that we correct the IDCT, we only permute the !=0 elements */
3711 if (s->dsp.idct_permutation_type != FF_NO_IDCT_PERM)
3712 ff_block_permute(block, s->dsp.idct_permutation, scantable, last_non_zero);
3713
3714 return last_non_zero;
3715}
3716
3717AVCodec h263_encoder = {
3718 "h263",
3719 CODEC_TYPE_VIDEO,
3720 CODEC_ID_H263,
3721 sizeof(MpegEncContext),
3722 MPV_encode_init,
3723 MPV_encode_picture,
3724 MPV_encode_end,
3725 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3726};
3727
3728AVCodec h263p_encoder = {
3729 "h263p",
3730 CODEC_TYPE_VIDEO,
3731 CODEC_ID_H263P,
3732 sizeof(MpegEncContext),
3733 MPV_encode_init,
3734 MPV_encode_picture,
3735 MPV_encode_end,
3736 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3737};
3738
3739AVCodec flv_encoder = {
3740 "flv",
3741 CODEC_TYPE_VIDEO,
3742 CODEC_ID_FLV1,
3743 sizeof(MpegEncContext),
3744 MPV_encode_init,
3745 MPV_encode_picture,
3746 MPV_encode_end,
3747 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3748};
3749
3750AVCodec rv10_encoder = {
3751 "rv10",
3752 CODEC_TYPE_VIDEO,
3753 CODEC_ID_RV10,
3754 sizeof(MpegEncContext),
3755 MPV_encode_init,
3756 MPV_encode_picture,
3757 MPV_encode_end,
3758 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3759};
3760
3761AVCodec rv20_encoder = {
3762 "rv20",
3763 CODEC_TYPE_VIDEO,
3764 CODEC_ID_RV20,
3765 sizeof(MpegEncContext),
3766 MPV_encode_init,
3767 MPV_encode_picture,
3768 MPV_encode_end,
3769 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3770};
3771
3772AVCodec mpeg4_encoder = {
3773 "mpeg4",
3774 CODEC_TYPE_VIDEO,
3775 CODEC_ID_MPEG4,
3776 sizeof(MpegEncContext),
3777 MPV_encode_init,
3778 MPV_encode_picture,
3779 MPV_encode_end,
3780 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3781 .capabilities= CODEC_CAP_DELAY,
3782};
3783
3784AVCodec msmpeg4v1_encoder = {
3785 "msmpeg4v1",
3786 CODEC_TYPE_VIDEO,
3787 CODEC_ID_MSMPEG4V1,
3788 sizeof(MpegEncContext),
3789 MPV_encode_init,
3790 MPV_encode_picture,
3791 MPV_encode_end,
3792 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3793};
3794
3795AVCodec msmpeg4v2_encoder = {
3796 "msmpeg4v2",
3797 CODEC_TYPE_VIDEO,
3798 CODEC_ID_MSMPEG4V2,
3799 sizeof(MpegEncContext),
3800 MPV_encode_init,
3801 MPV_encode_picture,
3802 MPV_encode_end,
3803 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3804};
3805
3806AVCodec msmpeg4v3_encoder = {
3807 "msmpeg4",
3808 CODEC_TYPE_VIDEO,
3809 CODEC_ID_MSMPEG4V3,
3810 sizeof(MpegEncContext),
3811 MPV_encode_init,
3812 MPV_encode_picture,
3813 MPV_encode_end,
3814 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3815};
3816
3817AVCodec wmv1_encoder = {
3818 "wmv1",
3819 CODEC_TYPE_VIDEO,
3820 CODEC_ID_WMV1,
3821 sizeof(MpegEncContext),
3822 MPV_encode_init,
3823 MPV_encode_picture,
3824 MPV_encode_end,
3825 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3826};