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Replace 5 with AOT_SBR when referring to the MPEG-4 audio object type.
[FFMpeg-mirror/lagarith.git] / libavcodec / mpegvideo_enc.c
blob36e716766458e33ba5159b0e051c09a3493baf75
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 *
6 * 4MV & hq & B-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at>
7 *
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
23 */
24
25 /**
26 * @file libavcodec/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"
36 #include "h263.h"
37 #include "faandct.h"
38 #include "aandcttab.h"
39 #include <limits.h>
40
41 //#undef NDEBUG
42 //#include <assert.h>
43
44 static int encode_picture(MpegEncContext *s, int picture_number);
45 static int dct_quantize_refine(MpegEncContext *s, DCTELEM *block, int16_t *weight, DCTELEM *orig, int n, int qscale);
46 static int sse_mb(MpegEncContext *s);
47
48 /* enable all paranoid tests for rounding, overflows, etc... */
49 //#define PARANOID
50
51 //#define DEBUG
52
53 static uint8_t default_mv_penalty[MAX_FCODE+1][MAX_MV*2+1];
54 static uint8_t default_fcode_tab[MAX_MV*2+1];
55
56 void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64],
57 const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra)
58 {
59 int qscale;
60 int shift=0;
61
62 for(qscale=qmin; qscale<=qmax; qscale++){
63 int i;
64 if (dsp->fdct == ff_jpeg_fdct_islow
65 #ifdef FAAN_POSTSCALE
66 || dsp->fdct == ff_faandct
67 #endif
68 ) {
69 for(i=0;i<64;i++) {
70 const int j= dsp->idct_permutation[i];
71 /* 16 <= qscale * quant_matrix[i] <= 7905 */
72 /* 19952 <= ff_aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
73 /* (1 << 36) / 19952 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= (1 << 36) / 249205026 */
74 /* 3444240 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= 275 */
75
76 qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) /
77 (qscale * quant_matrix[j]));
78 }
79 } else if (dsp->fdct == fdct_ifast
80 #ifndef FAAN_POSTSCALE
81 || dsp->fdct == ff_faandct
82 #endif
83 ) {
84 for(i=0;i<64;i++) {
85 const int j= dsp->idct_permutation[i];
86 /* 16 <= qscale * quant_matrix[i] <= 7905 */
87 /* 19952 <= ff_aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
88 /* (1 << 36) / 19952 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
89 /* 3444240 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= 275 */
90
91 qmat[qscale][i] = (int)((UINT64_C(1) << (QMAT_SHIFT + 14)) /
92 (ff_aanscales[i] * qscale * quant_matrix[j]));
93 }
94 } else {
95 for(i=0;i<64;i++) {
96 const int j= dsp->idct_permutation[i];
97 /* We can safely suppose that 16 <= quant_matrix[i] <= 255
98 So 16 <= qscale * quant_matrix[i] <= 7905
99 so (1<<19) / 16 >= (1<<19) / (qscale * quant_matrix[i]) >= (1<<19) / 7905
100 so 32768 >= (1<<19) / (qscale * quant_matrix[i]) >= 67
101 */
102 qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) / (qscale * quant_matrix[j]));
103 // qmat [qscale][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[i]);
104 qmat16[qscale][0][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[j]);
105
106 if(qmat16[qscale][0][i]==0 || qmat16[qscale][0][i]==128*256) qmat16[qscale][0][i]=128*256-1;
107 qmat16[qscale][1][i]= ROUNDED_DIV(bias<<(16-QUANT_BIAS_SHIFT), qmat16[qscale][0][i]);
108 }
109 }
110
111 for(i=intra; i<64; i++){
112 int64_t max= 8191;
113 if (dsp->fdct == fdct_ifast
114 #ifndef FAAN_POSTSCALE
115 || dsp->fdct == ff_faandct
116 #endif
117 ) {
118 max = (8191LL*ff_aanscales[i]) >> 14;
119 }
120 while(((max * qmat[qscale][i]) >> shift) > INT_MAX){
121 shift++;
122 }
123 }
124 }
125 if(shift){
126 av_log(NULL, AV_LOG_INFO, "Warning, QMAT_SHIFT is larger than %d, overflows possible\n", QMAT_SHIFT - shift);
127 }
128 }
129
130 static inline void update_qscale(MpegEncContext *s){
131 s->qscale= (s->lambda*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
132 s->qscale= av_clip(s->qscale, s->avctx->qmin, s->avctx->qmax);
133
134 s->lambda2= (s->lambda*s->lambda + FF_LAMBDA_SCALE/2) >> FF_LAMBDA_SHIFT;
135 }
136
137 void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix){
138 int i;
139
140 if(matrix){
141 put_bits(pb, 1, 1);
142 for(i=0;i<64;i++) {
143 put_bits(pb, 8, matrix[ ff_zigzag_direct[i] ]);
144 }
145 }else
146 put_bits(pb, 1, 0);
147 }
148
149 static void copy_picture_attributes(MpegEncContext *s, AVFrame *dst, AVFrame *src){
150 int i;
151
152 dst->pict_type = src->pict_type;
153 dst->quality = src->quality;
154 dst->coded_picture_number = src->coded_picture_number;
155 dst->display_picture_number = src->display_picture_number;
156 // dst->reference = src->reference;
157 dst->pts = src->pts;
158 dst->interlaced_frame = src->interlaced_frame;
159 dst->top_field_first = src->top_field_first;
160
161 if(s->avctx->me_threshold){
162 if(!src->motion_val[0])
163 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_val not set!\n");
164 if(!src->mb_type)
165 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.mb_type not set!\n");
166 if(!src->ref_index[0])
167 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.ref_index not set!\n");
168 if(src->motion_subsample_log2 != dst->motion_subsample_log2)
169 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_subsample_log2 doesn't match! (%d!=%d)\n",
170 src->motion_subsample_log2, dst->motion_subsample_log2);
171
172 memcpy(dst->mb_type, src->mb_type, s->mb_stride * s->mb_height * sizeof(dst->mb_type[0]));
173
174 for(i=0; i<2; i++){
175 int stride= ((16*s->mb_width )>>src->motion_subsample_log2) + 1;
176 int height= ((16*s->mb_height)>>src->motion_subsample_log2);
177
178 if(src->motion_val[i] && src->motion_val[i] != dst->motion_val[i]){
179 memcpy(dst->motion_val[i], src->motion_val[i], 2*stride*height*sizeof(int16_t));
180 }
181 if(src->ref_index[i] && src->ref_index[i] != dst->ref_index[i]){
182 memcpy(dst->ref_index[i], src->ref_index[i], s->b8_stride*2*s->mb_height*sizeof(int8_t));
183 }
184 }
185 }
186 }
187
188 static void update_duplicate_context_after_me(MpegEncContext *dst, MpegEncContext *src){
189 #define COPY(a) dst->a= src->a
190 COPY(pict_type);
191 COPY(current_picture);
192 COPY(f_code);
193 COPY(b_code);
194 COPY(qscale);
195 COPY(lambda);
196 COPY(lambda2);
197 COPY(picture_in_gop_number);
198 COPY(gop_picture_number);
199 COPY(frame_pred_frame_dct); //FIXME don't set in encode_header
200 COPY(progressive_frame); //FIXME don't set in encode_header
201 COPY(partitioned_frame); //FIXME don't set in encode_header
202 #undef COPY
203 }
204
205 /**
206 * sets the given MpegEncContext to defaults for encoding.
207 * the changed fields will not depend upon the prior state of the MpegEncContext.
208 */
209 static void MPV_encode_defaults(MpegEncContext *s){
210 int i;
211 MPV_common_defaults(s);
212
213 for(i=-16; i<16; i++){
214 default_fcode_tab[i + MAX_MV]= 1;
215 }
216 s->me.mv_penalty= default_mv_penalty;
217 s->fcode_tab= default_fcode_tab;
218 }
219
220 /* init video encoder */
221 av_cold int MPV_encode_init(AVCodecContext *avctx)
222 {
223 MpegEncContext *s = avctx->priv_data;
224 int i;
225 int chroma_h_shift, chroma_v_shift;
226
227 MPV_encode_defaults(s);
228
229 switch (avctx->codec_id) {
230 case CODEC_ID_MPEG2VIDEO:
231 if(avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P){
232 av_log(avctx, AV_LOG_ERROR, "only YUV420 and YUV422 are supported\n");
233 return -1;
234 }
235 break;
236 case CODEC_ID_LJPEG:
237 case CODEC_ID_MJPEG:
238 if(avctx->pix_fmt != PIX_FMT_YUVJ420P && avctx->pix_fmt != PIX_FMT_YUVJ422P && avctx->pix_fmt != PIX_FMT_RGB32 &&
239 ((avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P) || avctx->strict_std_compliance>FF_COMPLIANCE_INOFFICIAL)){
240 av_log(avctx, AV_LOG_ERROR, "colorspace not supported in jpeg\n");
241 return -1;
242 }
243 break;
244 default:
245 if(avctx->pix_fmt != PIX_FMT_YUV420P){
246 av_log(avctx, AV_LOG_ERROR, "only YUV420 is supported\n");
247 return -1;
248 }
249 }
250
251 switch (avctx->pix_fmt) {
252 case PIX_FMT_YUVJ422P:
253 case PIX_FMT_YUV422P:
254 s->chroma_format = CHROMA_422;
255 break;
256 case PIX_FMT_YUVJ420P:
257 case PIX_FMT_YUV420P:
258 default:
259 s->chroma_format = CHROMA_420;
260 break;
261 }
262
263 s->bit_rate = avctx->bit_rate;
264 s->width = avctx->width;
265 s->height = avctx->height;
266 if(avctx->gop_size > 600 && avctx->strict_std_compliance>FF_COMPLIANCE_EXPERIMENTAL){
267 av_log(avctx, AV_LOG_ERROR, "Warning keyframe interval too large! reducing it ...\n");
268 avctx->gop_size=600;
269 }
270 s->gop_size = avctx->gop_size;
271 s->avctx = avctx;
272 s->flags= avctx->flags;
273 s->flags2= avctx->flags2;
274 s->max_b_frames= avctx->max_b_frames;
275 s->codec_id= avctx->codec->id;
276 s->luma_elim_threshold = avctx->luma_elim_threshold;
277 s->chroma_elim_threshold= avctx->chroma_elim_threshold;
278 s->strict_std_compliance= avctx->strict_std_compliance;
279 s->data_partitioning= avctx->flags & CODEC_FLAG_PART;
280 s->quarter_sample= (avctx->flags & CODEC_FLAG_QPEL)!=0;
281 s->mpeg_quant= avctx->mpeg_quant;
282 s->rtp_mode= !!avctx->rtp_payload_size;
283 s->intra_dc_precision= avctx->intra_dc_precision;
284 s->user_specified_pts = AV_NOPTS_VALUE;
285
286 if (s->gop_size <= 1) {
287 s->intra_only = 1;
288 s->gop_size = 12;
289 } else {
290 s->intra_only = 0;
291 }
292
293 s->me_method = avctx->me_method;
294
295 /* Fixed QSCALE */
296 s->fixed_qscale = !!(avctx->flags & CODEC_FLAG_QSCALE);
297
298 s->adaptive_quant= ( s->avctx->lumi_masking
299 || s->avctx->dark_masking
300 || s->avctx->temporal_cplx_masking
301 || s->avctx->spatial_cplx_masking
302 || s->avctx->p_masking
303 || s->avctx->border_masking
304 || (s->flags&CODEC_FLAG_QP_RD))
305 && !s->fixed_qscale;
306
307 s->obmc= !!(s->flags & CODEC_FLAG_OBMC);
308 s->loop_filter= !!(s->flags & CODEC_FLAG_LOOP_FILTER);
309 s->alternate_scan= !!(s->flags & CODEC_FLAG_ALT_SCAN);
310 s->intra_vlc_format= !!(s->flags2 & CODEC_FLAG2_INTRA_VLC);
311 s->q_scale_type= !!(s->flags2 & CODEC_FLAG2_NON_LINEAR_QUANT);
312
313 if(avctx->rc_max_rate && !avctx->rc_buffer_size){
314 av_log(avctx, AV_LOG_ERROR, "a vbv buffer size is needed, for encoding with a maximum bitrate\n");
315 return -1;
316 }
317
318 if(avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate){
319 av_log(avctx, AV_LOG_INFO, "Warning min_rate > 0 but min_rate != max_rate isn't recommended!\n");
320 }
321
322 if(avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate){
323 av_log(avctx, AV_LOG_ERROR, "bitrate below min bitrate\n");
324 return -1;
325 }
326
327 if(avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate){
328 av_log(avctx, AV_LOG_INFO, "bitrate above max bitrate\n");
329 return -1;
330 }
331
332 if(avctx->rc_max_rate && avctx->rc_max_rate == avctx->bit_rate && avctx->rc_max_rate != avctx->rc_min_rate){
333 av_log(avctx, AV_LOG_INFO, "impossible bitrate constraints, this will fail\n");
334 }
335
336 if(avctx->rc_buffer_size && avctx->bit_rate*av_q2d(avctx->time_base) > avctx->rc_buffer_size){
337 av_log(avctx, AV_LOG_ERROR, "VBV buffer too small for bitrate\n");
338 return -1;
339 }
340
341 if(avctx->bit_rate*av_q2d(avctx->time_base) > avctx->bit_rate_tolerance){
342 av_log(avctx, AV_LOG_ERROR, "bitrate tolerance too small for bitrate\n");
343 return -1;
344 }
345
346 if( s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate
347 && (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO)
348 && 90000LL * (avctx->rc_buffer_size-1) > s->avctx->rc_max_rate*0xFFFFLL){
349
350 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");
351 }
352
353 if((s->flags & CODEC_FLAG_4MV) && s->codec_id != CODEC_ID_MPEG4
354 && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P && s->codec_id != CODEC_ID_FLV1){
355 av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n");
356 return -1;
357 }
358
359 if(s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE){
360 av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with simple mb decision\n");
361 return -1;
362 }
363
364 if(s->obmc && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P){
365 av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with H263(+)\n");
366 return -1;
367 }
368
369 if(s->quarter_sample && s->codec_id != CODEC_ID_MPEG4){
370 av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n");
371 return -1;
372 }
373
374 if(s->data_partitioning && s->codec_id != CODEC_ID_MPEG4){
375 av_log(avctx, AV_LOG_ERROR, "data partitioning not supported by codec\n");
376 return -1;
377 }
378
379 if(s->max_b_frames && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO){
380 av_log(avctx, AV_LOG_ERROR, "b frames not supported by codec\n");
381 return -1;
382 }
383
384 if((s->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN))
385 && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG2VIDEO){
386 av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n");
387 return -1;
388 }
389
390 if(s->mpeg_quant && s->codec_id != CODEC_ID_MPEG4){ //FIXME mpeg2 uses that too
391 av_log(avctx, AV_LOG_ERROR, "mpeg2 style quantization not supported by codec\n");
392 return -1;
393 }
394
395 if((s->flags & CODEC_FLAG_CBP_RD) && !avctx->trellis){
396 av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n");
397 return -1;
398 }
399
400 if((s->flags & CODEC_FLAG_QP_RD) && s->avctx->mb_decision != FF_MB_DECISION_RD){
401 av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n");
402 return -1;
403 }
404
405 if(s->avctx->scenechange_threshold < 1000000000 && (s->flags & CODEC_FLAG_CLOSED_GOP)){
406 av_log(avctx, AV_LOG_ERROR, "closed gop with scene change detection are not supported yet, set threshold to 1000000000\n");
407 return -1;
408 }
409
410 if((s->flags2 & CODEC_FLAG2_INTRA_VLC) && s->codec_id != CODEC_ID_MPEG2VIDEO){
411 av_log(avctx, AV_LOG_ERROR, "intra vlc table not supported by codec\n");
412 return -1;
413 }
414
415 if(s->flags & CODEC_FLAG_LOW_DELAY){
416 if (s->codec_id != CODEC_ID_MPEG2VIDEO){
417 av_log(avctx, AV_LOG_ERROR, "low delay forcing is only available for mpeg2\n");
418 return -1;
419 }
420 if (s->max_b_frames != 0){
421 av_log(avctx, AV_LOG_ERROR, "b frames cannot be used with low delay\n");
422 return -1;
423 }
424 }
425
426 if(s->q_scale_type == 1){
427 if(s->codec_id != CODEC_ID_MPEG2VIDEO){
428 av_log(avctx, AV_LOG_ERROR, "non linear quant is only available for mpeg2\n");
429 return -1;
430 }
431 if(avctx->qmax > 12){
432 av_log(avctx, AV_LOG_ERROR, "non linear quant only supports qmax <= 12 currently\n");
433 return -1;
434 }
435 }
436
437 if(s->avctx->thread_count > 1 && s->codec_id != CODEC_ID_MPEG4
438 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO
439 && (s->codec_id != CODEC_ID_H263P || !(s->flags & CODEC_FLAG_H263P_SLICE_STRUCT))){
440 av_log(avctx, AV_LOG_ERROR, "multi threaded encoding not supported by codec\n");
441 return -1;
442 }
443
444 if(s->avctx->thread_count > 1)
445 s->rtp_mode= 1;
446
447 if(!avctx->time_base.den || !avctx->time_base.num){
448 av_log(avctx, AV_LOG_ERROR, "framerate not set\n");
449 return -1;
450 }
451
452 i= (INT_MAX/2+128)>>8;
453 if(avctx->me_threshold >= i){
454 av_log(avctx, AV_LOG_ERROR, "me_threshold too large, max is %d\n", i - 1);
455 return -1;
456 }
457 if(avctx->mb_threshold >= i){
458 av_log(avctx, AV_LOG_ERROR, "mb_threshold too large, max is %d\n", i - 1);
459 return -1;
460 }
461
462 if(avctx->b_frame_strategy && (avctx->flags&CODEC_FLAG_PASS2)){
463 av_log(avctx, AV_LOG_INFO, "notice: b_frame_strategy only affects the first pass\n");
464 avctx->b_frame_strategy = 0;
465 }
466
467 i= av_gcd(avctx->time_base.den, avctx->time_base.num);
468 if(i > 1){
469 av_log(avctx, AV_LOG_INFO, "removing common factors from framerate\n");
470 avctx->time_base.den /= i;
471 avctx->time_base.num /= i;
472 // return -1;
473 }
474
475 if(s->codec_id==CODEC_ID_MJPEG){
476 s->intra_quant_bias= 1<<(QUANT_BIAS_SHIFT-1); //(a + x/2)/x
477 s->inter_quant_bias= 0;
478 }else if(s->mpeg_quant || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO){
479 s->intra_quant_bias= 3<<(QUANT_BIAS_SHIFT-3); //(a + x*3/8)/x
480 s->inter_quant_bias= 0;
481 }else{
482 s->intra_quant_bias=0;
483 s->inter_quant_bias=-(1<<(QUANT_BIAS_SHIFT-2)); //(a - x/4)/x
484 }
485
486 if(avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS)
487 s->intra_quant_bias= avctx->intra_quant_bias;
488 if(avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS)
489 s->inter_quant_bias= avctx->inter_quant_bias;
490
491 avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift);
492
493 if(avctx->codec_id == CODEC_ID_MPEG4 && s->avctx->time_base.den > (1<<16)-1){
494 av_log(avctx, AV_LOG_ERROR, "timebase not supported by mpeg 4 standard\n");
495 return -1;
496 }
497 s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1;
498
499 switch(avctx->codec->id) {
500 case CODEC_ID_MPEG1VIDEO:
501 s->out_format = FMT_MPEG1;
502 s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY);
503 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
504 break;
505 case CODEC_ID_MPEG2VIDEO:
506 s->out_format = FMT_MPEG1;
507 s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY);
508 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
509 s->rtp_mode= 1;
510 break;
511 case CODEC_ID_LJPEG:
512 case CODEC_ID_MJPEG:
513 s->out_format = FMT_MJPEG;
514 s->intra_only = 1; /* force intra only for jpeg */
515 s->mjpeg_vsample[0] = 2;
516 s->mjpeg_vsample[1] = 2>>chroma_v_shift;
517 s->mjpeg_vsample[2] = 2>>chroma_v_shift;
518 s->mjpeg_hsample[0] = 2;
519 s->mjpeg_hsample[1] = 2>>chroma_h_shift;
520 s->mjpeg_hsample[2] = 2>>chroma_h_shift;
521 if (!(CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER)
522 || ff_mjpeg_encode_init(s) < 0)
523 return -1;
524 avctx->delay=0;
525 s->low_delay=1;
526 break;
527 case CODEC_ID_H261:
528 if (!CONFIG_H261_ENCODER) return -1;
529 if (ff_h261_get_picture_format(s->width, s->height) < 0) {
530 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);
531 return -1;
532 }
533 s->out_format = FMT_H261;
534 avctx->delay=0;
535 s->low_delay=1;
536 break;
537 case CODEC_ID_H263:
538 if (!CONFIG_H263_ENCODER) return -1;
539 if (h263_get_picture_format(s->width, s->height) == 7) {
540 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);
541 return -1;
542 }
543 s->out_format = FMT_H263;
544 s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
545 avctx->delay=0;
546 s->low_delay=1;
547 break;
548 case CODEC_ID_H263P:
549 s->out_format = FMT_H263;
550 s->h263_plus = 1;
551 /* Fx */
552 s->umvplus = (avctx->flags & CODEC_FLAG_H263P_UMV) ? 1:0;
553 s->h263_aic= (avctx->flags & CODEC_FLAG_AC_PRED) ? 1:0;
554 s->modified_quant= s->h263_aic;
555 s->alt_inter_vlc= (avctx->flags & CODEC_FLAG_H263P_AIV) ? 1:0;
556 s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
557 s->loop_filter= (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1:0;
558 s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
559 s->h263_slice_structured= (s->flags & CODEC_FLAG_H263P_SLICE_STRUCT) ? 1:0;
560
561 /* /Fx */
562 /* These are just to be sure */
563 avctx->delay=0;
564 s->low_delay=1;
565 break;
566 case CODEC_ID_FLV1:
567 s->out_format = FMT_H263;
568 s->h263_flv = 2; /* format = 1; 11-bit codes */
569 s->unrestricted_mv = 1;
570 s->rtp_mode=0; /* don't allow GOB */
571 avctx->delay=0;
572 s->low_delay=1;
573 break;
574 case CODEC_ID_RV10:
575 s->out_format = FMT_H263;
576 avctx->delay=0;
577 s->low_delay=1;
578 break;
579 case CODEC_ID_RV20:
580 s->out_format = FMT_H263;
581 avctx->delay=0;
582 s->low_delay=1;
583 s->modified_quant=1;
584 s->h263_aic=1;
585 s->h263_plus=1;
586 s->loop_filter=1;
587 s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
588 break;
589 case CODEC_ID_MPEG4:
590 s->out_format = FMT_H263;
591 s->h263_pred = 1;
592 s->unrestricted_mv = 1;
593 s->low_delay= s->max_b_frames ? 0 : 1;
594 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
595 break;
596 case CODEC_ID_MSMPEG4V1:
597 s->out_format = FMT_H263;
598 s->h263_msmpeg4 = 1;
599 s->h263_pred = 1;
600 s->unrestricted_mv = 1;
601 s->msmpeg4_version= 1;
602 avctx->delay=0;
603 s->low_delay=1;
604 break;
605 case CODEC_ID_MSMPEG4V2:
606 s->out_format = FMT_H263;
607 s->h263_msmpeg4 = 1;
608 s->h263_pred = 1;
609 s->unrestricted_mv = 1;
610 s->msmpeg4_version= 2;
611 avctx->delay=0;
612 s->low_delay=1;
613 break;
614 case CODEC_ID_MSMPEG4V3:
615 s->out_format = FMT_H263;
616 s->h263_msmpeg4 = 1;
617 s->h263_pred = 1;
618 s->unrestricted_mv = 1;
619 s->msmpeg4_version= 3;
620 s->flipflop_rounding=1;
621 avctx->delay=0;
622 s->low_delay=1;
623 break;
624 case CODEC_ID_WMV1:
625 s->out_format = FMT_H263;
626 s->h263_msmpeg4 = 1;
627 s->h263_pred = 1;
628 s->unrestricted_mv = 1;
629 s->msmpeg4_version= 4;
630 s->flipflop_rounding=1;
631 avctx->delay=0;
632 s->low_delay=1;
633 break;
634 case CODEC_ID_WMV2:
635 s->out_format = FMT_H263;
636 s->h263_msmpeg4 = 1;
637 s->h263_pred = 1;
638 s->unrestricted_mv = 1;
639 s->msmpeg4_version= 5;
640 s->flipflop_rounding=1;
641 avctx->delay=0;
642 s->low_delay=1;
643 break;
644 default:
645 return -1;
646 }
647
648 avctx->has_b_frames= !s->low_delay;
649
650 s->encoding = 1;
651
652 s->progressive_frame=
653 s->progressive_sequence= !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN));
654
655 /* init */
656 if (MPV_common_init(s) < 0)
657 return -1;
658
659 if(!s->dct_quantize)
660 s->dct_quantize = dct_quantize_c;
661 if(!s->denoise_dct)
662 s->denoise_dct = denoise_dct_c;
663 s->fast_dct_quantize = s->dct_quantize;
664 if(avctx->trellis)
665 s->dct_quantize = dct_quantize_trellis_c;
666
667 if((CONFIG_H263P_ENCODER || CONFIG_RV20_ENCODER) && s->modified_quant)
668 s->chroma_qscale_table= ff_h263_chroma_qscale_table;
669
670 s->quant_precision=5;
671
672 ff_set_cmp(&s->dsp, s->dsp.ildct_cmp, s->avctx->ildct_cmp);
673 ff_set_cmp(&s->dsp, s->dsp.frame_skip_cmp, s->avctx->frame_skip_cmp);
674
675 if (CONFIG_H261_ENCODER && s->out_format == FMT_H261)
676 ff_h261_encode_init(s);
677 if (CONFIG_ANY_H263_ENCODER && s->out_format == FMT_H263)
678 h263_encode_init(s);
679 if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version)
680 ff_msmpeg4_encode_init(s);
681 if ((CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
682 && s->out_format == FMT_MPEG1)
683 ff_mpeg1_encode_init(s);
684
685 /* init q matrix */
686 for(i=0;i<64;i++) {
687 int j= s->dsp.idct_permutation[i];
688 if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->mpeg_quant){
689 s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i];
690 s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i];
691 }else if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
692 s->intra_matrix[j] =
693 s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
694 }else
695 { /* mpeg1/2 */
696 s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i];
697 s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
698 }
699 if(s->avctx->intra_matrix)
700 s->intra_matrix[j] = s->avctx->intra_matrix[i];
701 if(s->avctx->inter_matrix)
702 s->inter_matrix[j] = s->avctx->inter_matrix[i];
703 }
704
705 /* precompute matrix */
706 /* for mjpeg, we do include qscale in the matrix */
707 if (s->out_format != FMT_MJPEG) {
708 ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
709 s->intra_matrix, s->intra_quant_bias, avctx->qmin, 31, 1);
710 ff_convert_matrix(&s->dsp, s->q_inter_matrix, s->q_inter_matrix16,
711 s->inter_matrix, s->inter_quant_bias, avctx->qmin, 31, 0);
712 }
713
714 if(ff_rate_control_init(s) < 0)
715 return -1;
716
717 return 0;
718 }
719
720 av_cold int MPV_encode_end(AVCodecContext *avctx)
721 {
722 MpegEncContext *s = avctx->priv_data;
723
724 ff_rate_control_uninit(s);
725
726 MPV_common_end(s);
727 if ((CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER) && s->out_format == FMT_MJPEG)
728 ff_mjpeg_encode_close(s);
729
730 av_freep(&avctx->extradata);
731
732 return 0;
733 }
734
735 static int get_sae(uint8_t *src, int ref, int stride){
736 int x,y;
737 int acc=0;
738
739 for(y=0; y<16; y++){
740 for(x=0; x<16; x++){
741 acc+= FFABS(src[x+y*stride] - ref);
742 }
743 }
744
745 return acc;
746 }
747
748 static int get_intra_count(MpegEncContext *s, uint8_t *src, uint8_t *ref, int stride){
749 int x, y, w, h;
750 int acc=0;
751
752 w= s->width &~15;
753 h= s->height&~15;
754
755 for(y=0; y<h; y+=16){
756 for(x=0; x<w; x+=16){
757 int offset= x + y*stride;
758 int sad = s->dsp.sad[0](NULL, src + offset, ref + offset, stride, 16);
759 int mean= (s->dsp.pix_sum(src + offset, stride) + 128)>>8;
760 int sae = get_sae(src + offset, mean, stride);
761
762 acc+= sae + 500 < sad;
763 }
764 }
765 return acc;
766 }
767
768
769 static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg){
770 AVFrame *pic=NULL;
771 int64_t pts;
772 int i;
773 const int encoding_delay= s->max_b_frames;
774 int direct=1;
775
776 if(pic_arg){
777 pts= pic_arg->pts;
778 pic_arg->display_picture_number= s->input_picture_number++;
779
780 if(pts != AV_NOPTS_VALUE){
781 if(s->user_specified_pts != AV_NOPTS_VALUE){
782 int64_t time= pts;
783 int64_t last= s->user_specified_pts;
784
785 if(time <= last){
786 av_log(s->avctx, AV_LOG_ERROR, "Error, Invalid timestamp=%"PRId64", last=%"PRId64"\n", pts, s->user_specified_pts);
787 return -1;
788 }
789 }
790 s->user_specified_pts= pts;
791 }else{
792 if(s->user_specified_pts != AV_NOPTS_VALUE){
793 s->user_specified_pts=
794 pts= s->user_specified_pts + 1;
795 av_log(s->avctx, AV_LOG_INFO, "Warning: AVFrame.pts=? trying to guess (%"PRId64")\n", pts);
796 }else{
797 pts= pic_arg->display_picture_number;
798 }
799 }
800 }
801
802 if(pic_arg){
803 if(encoding_delay && !(s->flags&CODEC_FLAG_INPUT_PRESERVED)) direct=0;
804 if(pic_arg->linesize[0] != s->linesize) direct=0;
805 if(pic_arg->linesize[1] != s->uvlinesize) direct=0;
806 if(pic_arg->linesize[2] != s->uvlinesize) direct=0;
807
808 // av_log(AV_LOG_DEBUG, "%d %d %d %d\n",pic_arg->linesize[0], pic_arg->linesize[1], s->linesize, s->uvlinesize);
809
810 if(direct){
811 i= ff_find_unused_picture(s, 1);
812
813 pic= (AVFrame*)&s->picture[i];
814 pic->reference= 3;
815
816 for(i=0; i<4; i++){
817 pic->data[i]= pic_arg->data[i];
818 pic->linesize[i]= pic_arg->linesize[i];
819 }
820 ff_alloc_picture(s, (Picture*)pic, 1);
821 }else{
822 i= ff_find_unused_picture(s, 0);
823
824 pic= (AVFrame*)&s->picture[i];
825 pic->reference= 3;
826
827 ff_alloc_picture(s, (Picture*)pic, 0);
828
829 if( pic->data[0] + INPLACE_OFFSET == pic_arg->data[0]
830 && pic->data[1] + INPLACE_OFFSET == pic_arg->data[1]
831 && pic->data[2] + INPLACE_OFFSET == pic_arg->data[2]){
832 // empty
833 }else{
834 int h_chroma_shift, v_chroma_shift;
835 avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift);
836
837 for(i=0; i<3; i++){
838 int src_stride= pic_arg->linesize[i];
839 int dst_stride= i ? s->uvlinesize : s->linesize;
840 int h_shift= i ? h_chroma_shift : 0;
841 int v_shift= i ? v_chroma_shift : 0;
842 int w= s->width >>h_shift;
843 int h= s->height>>v_shift;
844 uint8_t *src= pic_arg->data[i];
845 uint8_t *dst= pic->data[i];
846
847 if(!s->avctx->rc_buffer_size)
848 dst +=INPLACE_OFFSET;
849
850 if(src_stride==dst_stride)
851 memcpy(dst, src, src_stride*h);
852 else{
853 while(h--){
854 memcpy(dst, src, w);
855 dst += dst_stride;
856 src += src_stride;
857 }
858 }
859 }
860 }
861 }
862 copy_picture_attributes(s, pic, pic_arg);
863 pic->pts= pts; //we set this here to avoid modifiying pic_arg
864 }
865
866 /* shift buffer entries */
867 for(i=1; i<MAX_PICTURE_COUNT /*s->encoding_delay+1*/; i++)
868 s->input_picture[i-1]= s->input_picture[i];
869
870 s->input_picture[encoding_delay]= (Picture*)pic;
871
872 return 0;
873 }
874
875 static int skip_check(MpegEncContext *s, Picture *p, Picture *ref){
876 int x, y, plane;
877 int score=0;
878 int64_t score64=0;
879
880 for(plane=0; plane<3; plane++){
881 const int stride= p->linesize[plane];
882 const int bw= plane ? 1 : 2;
883 for(y=0; y<s->mb_height*bw; y++){
884 for(x=0; x<s->mb_width*bw; x++){
885 int off= p->type == FF_BUFFER_TYPE_SHARED ? 0: 16;
886 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);
887
888 switch(s->avctx->frame_skip_exp){
889 case 0: score= FFMAX(score, v); break;
890 case 1: score+= FFABS(v);break;
891 case 2: score+= v*v;break;
892 case 3: score64+= FFABS(v*v*(int64_t)v);break;
893 case 4: score64+= v*v*(int64_t)(v*v);break;
894 }
895 }
896 }
897 }
898
899 if(score) score64= score;
900
901 if(score64 < s->avctx->frame_skip_threshold)
902 return 1;
903 if(score64 < ((s->avctx->frame_skip_factor * (int64_t)s->lambda)>>8))
904 return 1;
905 return 0;
906 }
907
908 static int estimate_best_b_count(MpegEncContext *s){
909 AVCodec *codec= avcodec_find_encoder(s->avctx->codec_id);
910 AVCodecContext *c= avcodec_alloc_context();
911 AVFrame input[FF_MAX_B_FRAMES+2];
912 const int scale= s->avctx->brd_scale;
913 int i, j, out_size, p_lambda, b_lambda, lambda2;
914 int outbuf_size= s->width * s->height; //FIXME
915 uint8_t *outbuf= av_malloc(outbuf_size);
916 int64_t best_rd= INT64_MAX;
917 int best_b_count= -1;
918
919 assert(scale>=0 && scale <=3);
920
921 // emms_c();
922 p_lambda= s->last_lambda_for[FF_P_TYPE]; //s->next_picture_ptr->quality;
923 b_lambda= s->last_lambda_for[FF_B_TYPE]; //p_lambda *FFABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset;
924 if(!b_lambda) b_lambda= p_lambda; //FIXME we should do this somewhere else
925 lambda2= (b_lambda*b_lambda + (1<<FF_LAMBDA_SHIFT)/2 ) >> FF_LAMBDA_SHIFT;
926
927 c->width = s->width >> scale;
928 c->height= s->height>> scale;
929 c->flags= CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR | CODEC_FLAG_INPUT_PRESERVED /*| CODEC_FLAG_EMU_EDGE*/;
930 c->flags|= s->avctx->flags & CODEC_FLAG_QPEL;
931 c->mb_decision= s->avctx->mb_decision;
932 c->me_cmp= s->avctx->me_cmp;
933 c->mb_cmp= s->avctx->mb_cmp;
934 c->me_sub_cmp= s->avctx->me_sub_cmp;
935 c->pix_fmt = PIX_FMT_YUV420P;
936 c->time_base= s->avctx->time_base;
937 c->max_b_frames= s->max_b_frames;
938
939 if (avcodec_open(c, codec) < 0)
940 return -1;
941
942 for(i=0; i<s->max_b_frames+2; i++){
943 int ysize= c->width*c->height;
944 int csize= (c->width/2)*(c->height/2);
945 Picture pre_input, *pre_input_ptr= i ? s->input_picture[i-1] : s->next_picture_ptr;
946
947 avcodec_get_frame_defaults(&input[i]);
948 input[i].data[0]= av_malloc(ysize + 2*csize);
949 input[i].data[1]= input[i].data[0] + ysize;
950 input[i].data[2]= input[i].data[1] + csize;
951 input[i].linesize[0]= c->width;
952 input[i].linesize[1]=
953 input[i].linesize[2]= c->width/2;
954
955 if(pre_input_ptr && (!i || s->input_picture[i-1])) {
956 pre_input= *pre_input_ptr;
957
958 if(pre_input.type != FF_BUFFER_TYPE_SHARED && i) {
959 pre_input.data[0]+=INPLACE_OFFSET;
960 pre_input.data[1]+=INPLACE_OFFSET;
961 pre_input.data[2]+=INPLACE_OFFSET;
962 }
963
964 s->dsp.shrink[scale](input[i].data[0], input[i].linesize[0], pre_input.data[0], pre_input.linesize[0], c->width, c->height);
965 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);
966 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);
967 }
968 }
969
970 for(j=0; j<s->max_b_frames+1; j++){
971 int64_t rd=0;
972
973 if(!s->input_picture[j])
974 break;
975
976 c->error[0]= c->error[1]= c->error[2]= 0;
977
978 input[0].pict_type= FF_I_TYPE;
979 input[0].quality= 1 * FF_QP2LAMBDA;
980 out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[0]);
981 // rd += (out_size * lambda2) >> FF_LAMBDA_SHIFT;
982
983 for(i=0; i<s->max_b_frames+1; i++){
984 int is_p= i % (j+1) == j || i==s->max_b_frames;
985
986 input[i+1].pict_type= is_p ? FF_P_TYPE : FF_B_TYPE;
987 input[i+1].quality= is_p ? p_lambda : b_lambda;
988 out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[i+1]);
989 rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
990 }
991
992 /* get the delayed frames */
993 while(out_size){
994 out_size = avcodec_encode_video(c, outbuf, outbuf_size, NULL);
995 rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
996 }
997
998 rd += c->error[0] + c->error[1] + c->error[2];
999
1000 if(rd < best_rd){
1001 best_rd= rd;
1002 best_b_count= j;
1003 }
1004 }
1005
1006 av_freep(&outbuf);
1007 avcodec_close(c);
1008 av_freep(&c);
1009
1010 for(i=0; i<s->max_b_frames+2; i++){
1011 av_freep(&input[i].data[0]);
1012 }
1013
1014 return best_b_count;
1015 }
1016
1017 static void select_input_picture(MpegEncContext *s){
1018 int i;
1019
1020 for(i=1; i<MAX_PICTURE_COUNT; i++)
1021 s->reordered_input_picture[i-1]= s->reordered_input_picture[i];
1022 s->reordered_input_picture[MAX_PICTURE_COUNT-1]= NULL;
1023
1024 /* set next picture type & ordering */
1025 if(s->reordered_input_picture[0]==NULL && s->input_picture[0]){
1026 if(/*s->picture_in_gop_number >= s->gop_size ||*/ s->next_picture_ptr==NULL || s->intra_only){
1027 s->reordered_input_picture[0]= s->input_picture[0];
1028 s->reordered_input_picture[0]->pict_type= FF_I_TYPE;
1029 s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
1030 }else{
1031 int b_frames;
1032
1033 if(s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor){
1034 if(s->picture_in_gop_number < s->gop_size && skip_check(s, s->input_picture[0], s->next_picture_ptr)){
1035 //FIXME check that te gop check above is +-1 correct
1036 //av_log(NULL, AV_LOG_DEBUG, "skip %p %"PRId64"\n", s->input_picture[0]->data[0], s->input_picture[0]->pts);
1037
1038 if(s->input_picture[0]->type == FF_BUFFER_TYPE_SHARED){
1039 for(i=0; i<4; i++)
1040 s->input_picture[0]->data[i]= NULL;
1041 s->input_picture[0]->type= 0;
1042 }else{
1043 assert( s->input_picture[0]->type==FF_BUFFER_TYPE_USER
1044 || s->input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
1045
1046 s->avctx->release_buffer(s->avctx, (AVFrame*)s->input_picture[0]);
1047 }
1048
1049 emms_c();
1050 ff_vbv_update(s, 0);
1051
1052 goto no_output_pic;
1053 }
1054 }
1055
1056 if(s->flags&CODEC_FLAG_PASS2){
1057 for(i=0; i<s->max_b_frames+1; i++){
1058 int pict_num= s->input_picture[0]->display_picture_number + i;
1059
1060 if(pict_num >= s->rc_context.num_entries)
1061 break;
1062 if(!s->input_picture[i]){
1063 s->rc_context.entry[pict_num-1].new_pict_type = FF_P_TYPE;
1064 break;
1065 }
1066
1067 s->input_picture[i]->pict_type=
1068 s->rc_context.entry[pict_num].new_pict_type;
1069 }
1070 }
1071
1072 if(s->avctx->b_frame_strategy==0){
1073 b_frames= s->max_b_frames;
1074 while(b_frames && !s->input_picture[b_frames]) b_frames--;
1075 }else if(s->avctx->b_frame_strategy==1){
1076 for(i=1; i<s->max_b_frames+1; i++){
1077 if(s->input_picture[i] && s->input_picture[i]->b_frame_score==0){
1078 s->input_picture[i]->b_frame_score=
1079 get_intra_count(s, s->input_picture[i ]->data[0],
1080 s->input_picture[i-1]->data[0], s->linesize) + 1;
1081 }
1082 }
1083 for(i=0; i<s->max_b_frames+1; i++){
1084 if(s->input_picture[i]==NULL || s->input_picture[i]->b_frame_score - 1 > s->mb_num/s->avctx->b_sensitivity) break;
1085 }
1086
1087 b_frames= FFMAX(0, i-1);
1088
1089 /* reset scores */
1090 for(i=0; i<b_frames+1; i++){
1091 s->input_picture[i]->b_frame_score=0;
1092 }
1093 }else if(s->avctx->b_frame_strategy==2){
1094 b_frames= estimate_best_b_count(s);
1095 }else{
1096 av_log(s->avctx, AV_LOG_ERROR, "illegal b frame strategy\n");
1097 b_frames=0;
1098 }
1099
1100 emms_c();
1101 //static int b_count=0;
1102 //b_count+= b_frames;
1103 //av_log(s->avctx, AV_LOG_DEBUG, "b_frames: %d\n", b_count);
1104
1105 for(i= b_frames - 1; i>=0; i--){
1106 int type= s->input_picture[i]->pict_type;
1107 if(type && type != FF_B_TYPE)
1108 b_frames= i;
1109 }
1110 if(s->input_picture[b_frames]->pict_type == FF_B_TYPE && b_frames == s->max_b_frames){
1111 av_log(s->avctx, AV_LOG_ERROR, "warning, too many b frames in a row\n");
1112 }
1113
1114 if(s->picture_in_gop_number + b_frames >= s->gop_size){
1115 if((s->flags2 & CODEC_FLAG2_STRICT_GOP) && s->gop_size > s->picture_in_gop_number){
1116 b_frames= s->gop_size - s->picture_in_gop_number - 1;
1117 }else{
1118 if(s->flags & CODEC_FLAG_CLOSED_GOP)
1119 b_frames=0;
1120 s->input_picture[b_frames]->pict_type= FF_I_TYPE;
1121 }
1122 }
1123
1124 if( (s->flags & CODEC_FLAG_CLOSED_GOP)
1125 && b_frames
1126 && s->input_picture[b_frames]->pict_type== FF_I_TYPE)
1127 b_frames--;
1128
1129 s->reordered_input_picture[0]= s->input_picture[b_frames];
1130 if(s->reordered_input_picture[0]->pict_type != FF_I_TYPE)
1131 s->reordered_input_picture[0]->pict_type= FF_P_TYPE;
1132 s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
1133 for(i=0; i<b_frames; i++){
1134 s->reordered_input_picture[i+1]= s->input_picture[i];
1135 s->reordered_input_picture[i+1]->pict_type= FF_B_TYPE;
1136 s->reordered_input_picture[i+1]->coded_picture_number= s->coded_picture_number++;
1137 }
1138 }
1139 }
1140 no_output_pic:
1141 if(s->reordered_input_picture[0]){
1142 s->reordered_input_picture[0]->reference= s->reordered_input_picture[0]->pict_type!=FF_B_TYPE ? 3 : 0;
1143
1144 ff_copy_picture(&s->new_picture, s->reordered_input_picture[0]);
1145
1146 if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_SHARED || s->avctx->rc_buffer_size){
1147 // input is a shared pix, so we can't modifiy it -> alloc a new one & ensure that the shared one is reuseable
1148
1149 int i= ff_find_unused_picture(s, 0);
1150 Picture *pic= &s->picture[i];
1151
1152 pic->reference = s->reordered_input_picture[0]->reference;
1153 ff_alloc_picture(s, pic, 0);
1154
1155 /* mark us unused / free shared pic */
1156 if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_INTERNAL)
1157 s->avctx->release_buffer(s->avctx, (AVFrame*)s->reordered_input_picture[0]);
1158 for(i=0; i<4; i++)
1159 s->reordered_input_picture[0]->data[i]= NULL;
1160 s->reordered_input_picture[0]->type= 0;
1161
1162 copy_picture_attributes(s, (AVFrame*)pic, (AVFrame*)s->reordered_input_picture[0]);
1163
1164 s->current_picture_ptr= pic;
1165 }else{
1166 // input is not a shared pix -> reuse buffer for current_pix
1167
1168 assert( s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_USER
1169 || s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
1170
1171 s->current_picture_ptr= s->reordered_input_picture[0];
1172 for(i=0; i<4; i++){
1173 s->new_picture.data[i]+= INPLACE_OFFSET;
1174 }
1175 }
1176 ff_copy_picture(&s->current_picture, s->current_picture_ptr);
1177
1178 s->picture_number= s->new_picture.display_picture_number;
1179 //printf("dpn:%d\n", s->picture_number);
1180 }else{
1181 memset(&s->new_picture, 0, sizeof(Picture));
1182 }
1183 }
1184
1185 int MPV_encode_picture(AVCodecContext *avctx,
1186 unsigned char *buf, int buf_size, void *data)
1187 {
1188 MpegEncContext *s = avctx->priv_data;
1189 AVFrame *pic_arg = data;
1190 int i, stuffing_count;
1191
1192 for(i=0; i<avctx->thread_count; i++){
1193 int start_y= s->thread_context[i]->start_mb_y;
1194 int end_y= s->thread_context[i]-> end_mb_y;
1195 int h= s->mb_height;
1196 uint8_t *start= buf + (size_t)(((int64_t) buf_size)*start_y/h);
1197 uint8_t *end = buf + (size_t)(((int64_t) buf_size)* end_y/h);
1198
1199 init_put_bits(&s->thread_context[i]->pb, start, end - start);
1200 }
1201
1202 s->picture_in_gop_number++;
1203
1204 if(load_input_picture(s, pic_arg) < 0)
1205 return -1;
1206
1207 select_input_picture(s);
1208
1209 /* output? */
1210 if(s->new_picture.data[0]){
1211 s->pict_type= s->new_picture.pict_type;
1212 //emms_c();
1213 //printf("qs:%f %f %d\n", s->new_picture.quality, s->current_picture.quality, s->qscale);
1214 MPV_frame_start(s, avctx);
1215 vbv_retry:
1216 if (encode_picture(s, s->picture_number) < 0)
1217 return -1;
1218
1219 avctx->header_bits = s->header_bits;
1220 avctx->mv_bits = s->mv_bits;
1221 avctx->misc_bits = s->misc_bits;
1222 avctx->i_tex_bits = s->i_tex_bits;
1223 avctx->p_tex_bits = s->p_tex_bits;
1224 avctx->i_count = s->i_count;
1225 avctx->p_count = s->mb_num - s->i_count - s->skip_count; //FIXME f/b_count in avctx
1226 avctx->skip_count = s->skip_count;
1227
1228 MPV_frame_end(s);
1229
1230 if (CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG)
1231 ff_mjpeg_encode_picture_trailer(s);
1232
1233 if(avctx->rc_buffer_size){
1234 RateControlContext *rcc= &s->rc_context;
1235 int max_size= rcc->buffer_index * avctx->rc_max_available_vbv_use;
1236
1237 if(put_bits_count(&s->pb) > max_size && s->lambda < s->avctx->lmax){
1238 s->next_lambda= FFMAX(s->lambda+1, s->lambda*(s->qscale+1) / s->qscale);
1239 if(s->adaptive_quant){
1240 int i;
1241 for(i=0; i<s->mb_height*s->mb_stride; i++)
1242 s->lambda_table[i]= FFMAX(s->lambda_table[i]+1, s->lambda_table[i]*(s->qscale+1) / s->qscale);
1243 }
1244 s->mb_skipped = 0; //done in MPV_frame_start()
1245 if(s->pict_type==FF_P_TYPE){ //done in encode_picture() so we must undo it
1246 if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
1247 s->no_rounding ^= 1;
1248 }
1249 if(s->pict_type!=FF_B_TYPE){
1250 s->time_base= s->last_time_base;
1251 s->last_non_b_time= s->time - s->pp_time;
1252 }
1253 // av_log(NULL, AV_LOG_ERROR, "R:%d ", s->next_lambda);
1254 for(i=0; i<avctx->thread_count; i++){
1255 PutBitContext *pb= &s->thread_context[i]->pb;
1256 init_put_bits(pb, pb->buf, pb->buf_end - pb->buf);
1257 }
1258 goto vbv_retry;
1259 }
1260
1261 assert(s->avctx->rc_max_rate);
1262 }
1263
1264 if(s->flags&CODEC_FLAG_PASS1)
1265 ff_write_pass1_stats(s);
1266
1267 for(i=0; i<4; i++){
1268 s->current_picture_ptr->error[i]= s->current_picture.error[i];
1269 avctx->error[i] += s->current_picture_ptr->error[i];
1270 }
1271
1272 if(s->flags&CODEC_FLAG_PASS1)
1273 assert(avctx->header_bits + avctx->mv_bits + avctx->misc_bits + avctx->i_tex_bits + avctx->p_tex_bits == put_bits_count(&s->pb));
1274 flush_put_bits(&s->pb);
1275 s->frame_bits = put_bits_count(&s->pb);
1276
1277 stuffing_count= ff_vbv_update(s, s->frame_bits);
1278 if(stuffing_count){
1279 if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < stuffing_count + 50){
1280 av_log(s->avctx, AV_LOG_ERROR, "stuffing too large\n");
1281 return -1;
1282 }
1283
1284 switch(s->codec_id){
1285 case CODEC_ID_MPEG1VIDEO:
1286 case CODEC_ID_MPEG2VIDEO:
1287 while(stuffing_count--){
1288 put_bits(&s->pb, 8, 0);
1289 }
1290 break;
1291 case CODEC_ID_MPEG4:
1292 put_bits(&s->pb, 16, 0);
1293 put_bits(&s->pb, 16, 0x1C3);
1294 stuffing_count -= 4;
1295 while(stuffing_count--){
1296 put_bits(&s->pb, 8, 0xFF);
1297 }
1298 break;
1299 default:
1300 av_log(s->avctx, AV_LOG_ERROR, "vbv buffer overflow\n");
1301 }
1302 flush_put_bits(&s->pb);
1303 s->frame_bits = put_bits_count(&s->pb);
1304 }
1305
1306 /* update mpeg1/2 vbv_delay for CBR */
1307 if(s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate && s->out_format == FMT_MPEG1
1308 && 90000LL * (avctx->rc_buffer_size-1) <= s->avctx->rc_max_rate*0xFFFFLL){
1309 int vbv_delay, min_delay;
1310 double inbits = s->avctx->rc_max_rate*av_q2d(s->avctx->time_base);
1311 int minbits= s->frame_bits - 8*(s->vbv_delay_ptr - s->pb.buf - 1);
1312 double bits = s->rc_context.buffer_index + minbits - inbits;
1313
1314 if(bits<0)
1315 av_log(s->avctx, AV_LOG_ERROR, "Internal error, negative bits\n");
1316
1317 assert(s->repeat_first_field==0);
1318
1319 vbv_delay= bits * 90000 / s->avctx->rc_max_rate;
1320 min_delay= (minbits * 90000LL + s->avctx->rc_max_rate - 1)/ s->avctx->rc_max_rate;
1321
1322 vbv_delay= FFMAX(vbv_delay, min_delay);
1323
1324 assert(vbv_delay < 0xFFFF);
1325
1326 s->vbv_delay_ptr[0] &= 0xF8;
1327 s->vbv_delay_ptr[0] |= vbv_delay>>13;
1328 s->vbv_delay_ptr[1] = vbv_delay>>5;
1329 s->vbv_delay_ptr[2] &= 0x07;
1330 s->vbv_delay_ptr[2] |= vbv_delay<<3;
1331 }
1332 s->total_bits += s->frame_bits;
1333 avctx->frame_bits = s->frame_bits;
1334 }else{
1335 assert((put_bits_ptr(&s->pb) == s->pb.buf));
1336 s->frame_bits=0;
1337 }
1338 assert((s->frame_bits&7)==0);
1339
1340 return s->frame_bits/8;
1341 }
1342
1343 static inline void dct_single_coeff_elimination(MpegEncContext *s, int n, int threshold)
1344 {
1345 static const char tab[64]=
1346 {3,2,2,1,1,1,1,1,
1347 1,1,1,1,1,1,1,1,
1348 1,1,1,1,1,1,1,1,
1349 0,0,0,0,0,0,0,0,
1350 0,0,0,0,0,0,0,0,
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 int score=0;
1355 int run=0;
1356 int i;
1357 DCTELEM *block= s->block[n];
1358 const int last_index= s->block_last_index[n];
1359 int skip_dc;
1360
1361 if(threshold<0){
1362 skip_dc=0;
1363 threshold= -threshold;
1364 }else
1365 skip_dc=1;
1366
1367 /* Are all we could set to zero already zero? */
1368 if(last_index<=skip_dc - 1) return;
1369
1370 for(i=0; i<=last_index; i++){
1371 const int j = s->intra_scantable.permutated[i];
1372 const int level = FFABS(block[j]);
1373 if(level==1){
1374 if(skip_dc && i==0) continue;
1375 score+= tab[run];
1376 run=0;
1377 }else if(level>1){
1378 return;
1379 }else{
1380 run++;
1381 }
1382 }
1383 if(score >= threshold) return;
1384 for(i=skip_dc; i<=last_index; i++){
1385 const int j = s->intra_scantable.permutated[i];
1386 block[j]=0;
1387 }
1388 if(block[0]) s->block_last_index[n]= 0;
1389 else s->block_last_index[n]= -1;
1390 }
1391
1392 static inline void clip_coeffs(MpegEncContext *s, DCTELEM *block, int last_index)
1393 {
1394 int i;
1395 const int maxlevel= s->max_qcoeff;
1396 const int minlevel= s->min_qcoeff;
1397 int overflow=0;
1398
1399 if(s->mb_intra){
1400 i=1; //skip clipping of intra dc
1401 }else
1402 i=0;
1403
1404 for(;i<=last_index; i++){
1405 const int j= s->intra_scantable.permutated[i];
1406 int level = block[j];
1407
1408 if (level>maxlevel){
1409 level=maxlevel;
1410 overflow++;
1411 }else if(level<minlevel){
1412 level=minlevel;
1413 overflow++;
1414 }
1415
1416 block[j]= level;
1417 }
1418
1419 if(overflow && s->avctx->mb_decision == FF_MB_DECISION_SIMPLE)
1420 av_log(s->avctx, AV_LOG_INFO, "warning, clipping %d dct coefficients to %d..%d\n", overflow, minlevel, maxlevel);
1421 }
1422
1423 static void get_visual_weight(int16_t *weight, uint8_t *ptr, int stride){
1424 int x, y;
1425 //FIXME optimize
1426 for(y=0; y<8; y++){
1427 for(x=0; x<8; x++){
1428 int x2, y2;
1429 int sum=0;
1430 int sqr=0;
1431 int count=0;
1432
1433 for(y2= FFMAX(y-1, 0); y2 < FFMIN(8, y+2); y2++){
1434 for(x2= FFMAX(x-1, 0); x2 < FFMIN(8, x+2); x2++){
1435 int v= ptr[x2 + y2*stride];
1436 sum += v;
1437 sqr += v*v;
1438 count++;
1439 }
1440 }
1441 weight[x + 8*y]= (36*ff_sqrt(count*sqr - sum*sum)) / count;
1442 }
1443 }
1444 }
1445
1446 static av_always_inline void encode_mb_internal(MpegEncContext *s, int motion_x, int motion_y, int mb_block_height, int mb_block_count)
1447 {
1448 int16_t weight[8][64];
1449 DCTELEM orig[8][64];
1450 const int mb_x= s->mb_x;
1451 const int mb_y= s->mb_y;
1452 int i;
1453 int skip_dct[8];
1454 int dct_offset = s->linesize*8; //default for progressive frames
1455 uint8_t *ptr_y, *ptr_cb, *ptr_cr;
1456 int wrap_y, wrap_c;
1457
1458 for(i=0; i<mb_block_count; i++) skip_dct[i]=s->skipdct;
1459
1460 if(s->adaptive_quant){
1461 const int last_qp= s->qscale;
1462 const int mb_xy= mb_x + mb_y*s->mb_stride;
1463
1464 s->lambda= s->lambda_table[mb_xy];
1465 update_qscale(s);
1466
1467 if(!(s->flags&CODEC_FLAG_QP_RD)){
1468 s->qscale= s->current_picture_ptr->qscale_table[mb_xy];
1469 s->dquant= s->qscale - last_qp;
1470
1471 if(s->out_format==FMT_H263){
1472 s->dquant= av_clip(s->dquant, -2, 2);
1473
1474 if(s->codec_id==CODEC_ID_MPEG4){
1475 if(!s->mb_intra){
1476 if(s->pict_type == FF_B_TYPE){
1477 if(s->dquant&1 || s->mv_dir&MV_DIRECT)
1478 s->dquant= 0;
1479 }
1480 if(s->mv_type==MV_TYPE_8X8)
1481 s->dquant=0;
1482 }
1483 }
1484 }
1485 }
1486 ff_set_qscale(s, last_qp + s->dquant);
1487 }else if(s->flags&CODEC_FLAG_QP_RD)
1488 ff_set_qscale(s, s->qscale + s->dquant);
1489
1490 wrap_y = s->linesize;
1491 wrap_c = s->uvlinesize;
1492 ptr_y = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16;
1493 ptr_cb = s->new_picture.data[1] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
1494 ptr_cr = s->new_picture.data[2] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
1495
1496 if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){
1497 uint8_t *ebuf= s->edge_emu_buffer + 32;
1498 ff_emulated_edge_mc(ebuf , ptr_y , wrap_y,16,16,mb_x*16,mb_y*16, s->width , s->height);
1499 ptr_y= ebuf;
1500 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);
1501 ptr_cb= ebuf+18*wrap_y;
1502 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);
1503 ptr_cr= ebuf+18*wrap_y+8;
1504 }
1505
1506 if (s->mb_intra) {
1507 if(s->flags&CODEC_FLAG_INTERLACED_DCT){
1508 int progressive_score, interlaced_score;
1509
1510 s->interlaced_dct=0;
1511 progressive_score= s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y, 8)
1512 +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y*8, NULL, wrap_y, 8) - 400;
1513
1514 if(progressive_score > 0){
1515 interlaced_score = s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y*2, 8)
1516 +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y , NULL, wrap_y*2, 8);
1517 if(progressive_score > interlaced_score){
1518 s->interlaced_dct=1;
1519
1520 dct_offset= wrap_y;
1521 wrap_y<<=1;
1522 if (s->chroma_format == CHROMA_422)
1523 wrap_c<<=1;
1524 }
1525 }
1526 }
1527
1528 s->dsp.get_pixels(s->block[0], ptr_y , wrap_y);
1529 s->dsp.get_pixels(s->block[1], ptr_y + 8, wrap_y);
1530 s->dsp.get_pixels(s->block[2], ptr_y + dct_offset , wrap_y);
1531 s->dsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y);
1532
1533 if(s->flags&CODEC_FLAG_GRAY){
1534 skip_dct[4]= 1;
1535 skip_dct[5]= 1;
1536 }else{
1537 s->dsp.get_pixels(s->block[4], ptr_cb, wrap_c);
1538 s->dsp.get_pixels(s->block[5], ptr_cr, wrap_c);
1539 if(!s->chroma_y_shift){ /* 422 */
1540 s->dsp.get_pixels(s->block[6], ptr_cb + (dct_offset>>1), wrap_c);
1541 s->dsp.get_pixels(s->block[7], ptr_cr + (dct_offset>>1), wrap_c);
1542 }
1543 }
1544 }else{
1545 op_pixels_func (*op_pix)[4];
1546 qpel_mc_func (*op_qpix)[16];
1547 uint8_t *dest_y, *dest_cb, *dest_cr;
1548
1549 dest_y = s->dest[0];
1550 dest_cb = s->dest[1];
1551 dest_cr = s->dest[2];
1552
1553 if ((!s->no_rounding) || s->pict_type==FF_B_TYPE){
1554 op_pix = s->dsp.put_pixels_tab;
1555 op_qpix= s->dsp.put_qpel_pixels_tab;
1556 }else{
1557 op_pix = s->dsp.put_no_rnd_pixels_tab;
1558 op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab;
1559 }
1560
1561 if (s->mv_dir & MV_DIR_FORWARD) {
1562 MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);
1563 op_pix = s->dsp.avg_pixels_tab;
1564 op_qpix= s->dsp.avg_qpel_pixels_tab;
1565 }
1566 if (s->mv_dir & MV_DIR_BACKWARD) {
1567 MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix);
1568 }
1569
1570 if(s->flags&CODEC_FLAG_INTERLACED_DCT){
1571 int progressive_score, interlaced_score;
1572
1573 s->interlaced_dct=0;
1574 progressive_score= s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y, 8)
1575 +s->dsp.ildct_cmp[0](s, dest_y + wrap_y*8, ptr_y + wrap_y*8, wrap_y, 8) - 400;
1576
1577 if(s->avctx->ildct_cmp == FF_CMP_VSSE) progressive_score -= 400;
1578
1579 if(progressive_score>0){
1580 interlaced_score = s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y*2, 8)
1581 +s->dsp.ildct_cmp[0](s, dest_y + wrap_y , ptr_y + wrap_y , wrap_y*2, 8);
1582
1583 if(progressive_score > interlaced_score){
1584 s->interlaced_dct=1;
1585
1586 dct_offset= wrap_y;
1587 wrap_y<<=1;
1588 if (s->chroma_format == CHROMA_422)
1589 wrap_c<<=1;
1590 }
1591 }
1592 }
1593
1594 s->dsp.diff_pixels(s->block[0], ptr_y , dest_y , wrap_y);
1595 s->dsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y);
1596 s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset , dest_y + dct_offset , wrap_y);
1597 s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8, dest_y + dct_offset + 8, wrap_y);
1598
1599 if(s->flags&CODEC_FLAG_GRAY){
1600 skip_dct[4]= 1;
1601 skip_dct[5]= 1;
1602 }else{
1603 s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
1604 s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
1605 if(!s->chroma_y_shift){ /* 422 */
1606 s->dsp.diff_pixels(s->block[6], ptr_cb + (dct_offset>>1), dest_cb + (dct_offset>>1), wrap_c);
1607 s->dsp.diff_pixels(s->block[7], ptr_cr + (dct_offset>>1), dest_cr + (dct_offset>>1), wrap_c);
1608 }
1609 }
1610 /* pre quantization */
1611 if(s->current_picture.mc_mb_var[s->mb_stride*mb_y+ mb_x]<2*s->qscale*s->qscale){
1612 //FIXME optimize
1613 if(s->dsp.sad[1](NULL, ptr_y , dest_y , wrap_y, 8) < 20*s->qscale) skip_dct[0]= 1;
1614 if(s->dsp.sad[1](NULL, ptr_y + 8, dest_y + 8, wrap_y, 8) < 20*s->qscale) skip_dct[1]= 1;
1615 if(s->dsp.sad[1](NULL, ptr_y +dct_offset , dest_y +dct_offset , wrap_y, 8) < 20*s->qscale) skip_dct[2]= 1;
1616 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;
1617 if(s->dsp.sad[1](NULL, ptr_cb , dest_cb , wrap_c, 8) < 20*s->qscale) skip_dct[4]= 1;
1618 if(s->dsp.sad[1](NULL, ptr_cr , dest_cr , wrap_c, 8) < 20*s->qscale) skip_dct[5]= 1;
1619 if(!s->chroma_y_shift){ /* 422 */
1620 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;
1621 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;
1622 }
1623 }
1624 }
1625
1626 if(s->avctx->quantizer_noise_shaping){
1627 if(!skip_dct[0]) get_visual_weight(weight[0], ptr_y , wrap_y);
1628 if(!skip_dct[1]) get_visual_weight(weight[1], ptr_y + 8, wrap_y);
1629 if(!skip_dct[2]) get_visual_weight(weight[2], ptr_y + dct_offset , wrap_y);
1630 if(!skip_dct[3]) get_visual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y);
1631 if(!skip_dct[4]) get_visual_weight(weight[4], ptr_cb , wrap_c);
1632 if(!skip_dct[5]) get_visual_weight(weight[5], ptr_cr , wrap_c);
1633 if(!s->chroma_y_shift){ /* 422 */
1634 if(!skip_dct[6]) get_visual_weight(weight[6], ptr_cb + (dct_offset>>1), wrap_c);
1635 if(!skip_dct[7]) get_visual_weight(weight[7], ptr_cr + (dct_offset>>1), wrap_c);
1636 }
1637 memcpy(orig[0], s->block[0], sizeof(DCTELEM)*64*mb_block_count);
1638 }
1639
1640 /* DCT & quantize */
1641 assert(s->out_format!=FMT_MJPEG || s->qscale==8);
1642 {
1643 for(i=0;i<mb_block_count;i++) {
1644 if(!skip_dct[i]){
1645 int overflow;
1646 s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow);
1647 // FIXME we could decide to change to quantizer instead of clipping
1648 // JS: I don't think that would be a good idea it could lower quality instead
1649 // of improve it. Just INTRADC clipping deserves changes in quantizer
1650 if (overflow) clip_coeffs(s, s->block[i], s->block_last_index[i]);
1651 }else
1652 s->block_last_index[i]= -1;
1653 }
1654 if(s->avctx->quantizer_noise_shaping){
1655 for(i=0;i<mb_block_count;i++) {
1656 if(!skip_dct[i]){
1657 s->block_last_index[i] = dct_quantize_refine(s, s->block[i], weight[i], orig[i], i, s->qscale);
1658 }
1659 }
1660 }
1661
1662 if(s->luma_elim_threshold && !s->mb_intra)
1663 for(i=0; i<4; i++)
1664 dct_single_coeff_elimination(s, i, s->luma_elim_threshold);
1665 if(s->chroma_elim_threshold && !s->mb_intra)
1666 for(i=4; i<mb_block_count; i++)
1667 dct_single_coeff_elimination(s, i, s->chroma_elim_threshold);
1668
1669 if(s->flags & CODEC_FLAG_CBP_RD){
1670 for(i=0;i<mb_block_count;i++) {
1671 if(s->block_last_index[i] == -1)
1672 s->coded_score[i]= INT_MAX/256;
1673 }
1674 }
1675 }
1676
1677 if((s->flags&CODEC_FLAG_GRAY) && s->mb_intra){
1678 s->block_last_index[4]=
1679 s->block_last_index[5]= 0;
1680 s->block[4][0]=
1681 s->block[5][0]= (1024 + s->c_dc_scale/2)/ s->c_dc_scale;
1682 }
1683
1684 //non c quantize code returns incorrect block_last_index FIXME
1685 if(s->alternate_scan && s->dct_quantize != dct_quantize_c){
1686 for(i=0; i<mb_block_count; i++){
1687 int j;
1688 if(s->block_last_index[i]>0){
1689 for(j=63; j>0; j--){
1690 if(s->block[i][ s->intra_scantable.permutated[j] ]) break;
1691 }
1692 s->block_last_index[i]= j;
1693 }
1694 }
1695 }
1696
1697 /* huffman encode */
1698 switch(s->codec_id){ //FIXME funct ptr could be slightly faster
1699 case CODEC_ID_MPEG1VIDEO:
1700 case CODEC_ID_MPEG2VIDEO:
1701 if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
1702 mpeg1_encode_mb(s, s->block, motion_x, motion_y);
1703 break;
1704 case CODEC_ID_MPEG4:
1705 if (CONFIG_MPEG4_ENCODER)
1706 mpeg4_encode_mb(s, s->block, motion_x, motion_y);
1707 break;
1708 case CODEC_ID_MSMPEG4V2:
1709 case CODEC_ID_MSMPEG4V3:
1710 case CODEC_ID_WMV1:
1711 if (CONFIG_MSMPEG4_ENCODER)
1712 msmpeg4_encode_mb(s, s->block, motion_x, motion_y);
1713 break;
1714 case CODEC_ID_WMV2:
1715 if (CONFIG_WMV2_ENCODER)
1716 ff_wmv2_encode_mb(s, s->block, motion_x, motion_y);
1717 break;
1718 case CODEC_ID_H261:
1719 if (CONFIG_H261_ENCODER)
1720 ff_h261_encode_mb(s, s->block, motion_x, motion_y);
1721 break;
1722 case CODEC_ID_H263:
1723 case CODEC_ID_H263P:
1724 case CODEC_ID_FLV1:
1725 case CODEC_ID_RV10:
1726 case CODEC_ID_RV20:
1727 if (CONFIG_H263_ENCODER || CONFIG_H263P_ENCODER ||
1728 CONFIG_FLV_ENCODER || CONFIG_RV10_ENCODER || CONFIG_RV20_ENCODER)
1729 h263_encode_mb(s, s->block, motion_x, motion_y);
1730 break;
1731 case CODEC_ID_MJPEG:
1732 if (CONFIG_MJPEG_ENCODER)
1733 ff_mjpeg_encode_mb(s, s->block);
1734 break;
1735 default:
1736 assert(0);
1737 }
1738 }
1739
1740 static av_always_inline void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
1741 {
1742 if (s->chroma_format == CHROMA_420) encode_mb_internal(s, motion_x, motion_y, 8, 6);
1743 else encode_mb_internal(s, motion_x, motion_y, 16, 8);
1744 }
1745
1746 static inline void copy_context_before_encode(MpegEncContext *d, MpegEncContext *s, int type){
1747 int i;
1748
1749 memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
1750
1751 /* mpeg1 */
1752 d->mb_skip_run= s->mb_skip_run;
1753 for(i=0; i<3; i++)
1754 d->last_dc[i]= s->last_dc[i];
1755
1756 /* statistics */
1757 d->mv_bits= s->mv_bits;
1758 d->i_tex_bits= s->i_tex_bits;
1759 d->p_tex_bits= s->p_tex_bits;
1760 d->i_count= s->i_count;
1761 d->f_count= s->f_count;
1762 d->b_count= s->b_count;
1763 d->skip_count= s->skip_count;
1764 d->misc_bits= s->misc_bits;
1765 d->last_bits= 0;
1766
1767 d->mb_skipped= 0;
1768 d->qscale= s->qscale;
1769 d->dquant= s->dquant;
1770
1771 d->esc3_level_length= s->esc3_level_length;
1772 }
1773
1774 static 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 d->esc3_level_length= s->esc3_level_length;
1811 }
1812
1813 static inline void encode_mb_hq(MpegEncContext *s, MpegEncContext *backup, MpegEncContext *best, int type,
1814 PutBitContext pb[2], PutBitContext pb2[2], PutBitContext tex_pb[2],
1815 int *dmin, int *next_block, int motion_x, int motion_y)
1816 {
1817 int score;
1818 uint8_t *dest_backup[3];
1819
1820 copy_context_before_encode(s, backup, type);
1821
1822 s->block= s->blocks[*next_block];
1823 s->pb= pb[*next_block];
1824 if(s->data_partitioning){
1825 s->pb2 = pb2 [*next_block];
1826 s->tex_pb= tex_pb[*next_block];
1827 }
1828
1829 if(*next_block){
1830 memcpy(dest_backup, s->dest, sizeof(s->dest));
1831 s->dest[0] = s->rd_scratchpad;
1832 s->dest[1] = s->rd_scratchpad + 16*s->linesize;
1833 s->dest[2] = s->rd_scratchpad + 16*s->linesize + 8;
1834 assert(s->linesize >= 32); //FIXME
1835 }
1836
1837 encode_mb(s, motion_x, motion_y);
1838
1839 score= put_bits_count(&s->pb);
1840 if(s->data_partitioning){
1841 score+= put_bits_count(&s->pb2);
1842 score+= put_bits_count(&s->tex_pb);
1843 }
1844
1845 if(s->avctx->mb_decision == FF_MB_DECISION_RD){
1846 MPV_decode_mb(s, s->block);
1847
1848 score *= s->lambda2;
1849 score += sse_mb(s) << FF_LAMBDA_SHIFT;
1850 }
1851
1852 if(*next_block){
1853 memcpy(s->dest, dest_backup, sizeof(s->dest));
1854 }
1855
1856 if(score<*dmin){
1857 *dmin= score;
1858 *next_block^=1;
1859
1860 copy_context_after_encode(best, s, type);
1861 }
1862 }
1863
1864 static int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, int h, int stride){
1865 uint32_t *sq = ff_squareTbl + 256;
1866 int acc=0;
1867 int x,y;
1868
1869 if(w==16 && h==16)
1870 return s->dsp.sse[0](NULL, src1, src2, stride, 16);
1871 else if(w==8 && h==8)
1872 return s->dsp.sse[1](NULL, src1, src2, stride, 8);
1873
1874 for(y=0; y<h; y++){
1875 for(x=0; x<w; x++){
1876 acc+= sq[src1[x + y*stride] - src2[x + y*stride]];
1877 }
1878 }
1879
1880 assert(acc>=0);
1881
1882 return acc;
1883 }
1884
1885 static int sse_mb(MpegEncContext *s){
1886 int w= 16;
1887 int h= 16;
1888
1889 if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
1890 if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
1891
1892 if(w==16 && h==16)
1893 if(s->avctx->mb_cmp == FF_CMP_NSSE){
1894 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)
1895 +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)
1896 +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);
1897 }else{
1898 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)
1899 +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)
1900 +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);
1901 }
1902 else
1903 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)
1904 +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)
1905 +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);
1906 }
1907
1908 static int pre_estimate_motion_thread(AVCodecContext *c, void *arg){
1909 MpegEncContext *s= *(void**)arg;
1910
1911
1912 s->me.pre_pass=1;
1913 s->me.dia_size= s->avctx->pre_dia_size;
1914 s->first_slice_line=1;
1915 for(s->mb_y= s->end_mb_y-1; s->mb_y >= s->start_mb_y; s->mb_y--) {
1916 for(s->mb_x=s->mb_width-1; s->mb_x >=0 ;s->mb_x--) {
1917 ff_pre_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
1918 }
1919 s->first_slice_line=0;
1920 }
1921
1922 s->me.pre_pass=0;
1923
1924 return 0;
1925 }
1926
1927 static int estimate_motion_thread(AVCodecContext *c, void *arg){
1928 MpegEncContext *s= *(void**)arg;
1929
1930 ff_check_alignment();
1931
1932 s->me.dia_size= s->avctx->dia_size;
1933 s->first_slice_line=1;
1934 for(s->mb_y= s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) {
1935 s->mb_x=0; //for block init below
1936 ff_init_block_index(s);
1937 for(s->mb_x=0; s->mb_x < s->mb_width; s->mb_x++) {
1938 s->block_index[0]+=2;
1939 s->block_index[1]+=2;
1940 s->block_index[2]+=2;
1941 s->block_index[3]+=2;
1942
1943 /* compute motion vector & mb_type and store in context */
1944 if(s->pict_type==FF_B_TYPE)
1945 ff_estimate_b_frame_motion(s, s->mb_x, s->mb_y);
1946 else
1947 ff_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
1948 }
1949 s->first_slice_line=0;
1950 }
1951 return 0;
1952 }
1953
1954 static int mb_var_thread(AVCodecContext *c, void *arg){
1955 MpegEncContext *s= *(void**)arg;
1956 int mb_x, mb_y;
1957
1958 ff_check_alignment();
1959
1960 for(mb_y=s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
1961 for(mb_x=0; mb_x < s->mb_width; mb_x++) {
1962 int xx = mb_x * 16;
1963 int yy = mb_y * 16;
1964 uint8_t *pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
1965 int varc;
1966 int sum = s->dsp.pix_sum(pix, s->linesize);
1967
1968 varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
1969
1970 s->current_picture.mb_var [s->mb_stride * mb_y + mb_x] = varc;
1971 s->current_picture.mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
1972 s->me.mb_var_sum_temp += varc;
1973 }
1974 }
1975 return 0;
1976 }
1977
1978 static void write_slice_end(MpegEncContext *s){
1979 if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4){
1980 if(s->partitioned_frame){
1981 ff_mpeg4_merge_partitions(s);
1982 }
1983
1984 ff_mpeg4_stuffing(&s->pb);
1985 }else if(CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG){
1986 ff_mjpeg_encode_stuffing(&s->pb);
1987 }
1988
1989 align_put_bits(&s->pb);
1990 flush_put_bits(&s->pb);
1991
1992 if((s->flags&CODEC_FLAG_PASS1) && !s->partitioned_frame)
1993 s->misc_bits+= get_bits_diff(s);
1994 }
1995
1996 static int encode_thread(AVCodecContext *c, void *arg){
1997 MpegEncContext *s= *(void**)arg;
1998 int mb_x, mb_y, pdif = 0;
1999 int chr_h= 16>>s->chroma_y_shift;
2000 int i, j;
2001 MpegEncContext best_s, backup_s;
2002 uint8_t bit_buf[2][MAX_MB_BYTES];
2003 uint8_t bit_buf2[2][MAX_MB_BYTES];
2004 uint8_t bit_buf_tex[2][MAX_MB_BYTES];
2005 PutBitContext pb[2], pb2[2], tex_pb[2];
2006 //printf("%d->%d\n", s->resync_mb_y, s->end_mb_y);
2007
2008 ff_check_alignment();
2009
2010 for(i=0; i<2; i++){
2011 init_put_bits(&pb [i], bit_buf [i], MAX_MB_BYTES);
2012 init_put_bits(&pb2 [i], bit_buf2 [i], MAX_MB_BYTES);
2013 init_put_bits(&tex_pb[i], bit_buf_tex[i], MAX_MB_BYTES);
2014 }
2015
2016 s->last_bits= put_bits_count(&s->pb);
2017 s->mv_bits=0;
2018 s->misc_bits=0;
2019 s->i_tex_bits=0;
2020 s->p_tex_bits=0;
2021 s->i_count=0;
2022 s->f_count=0;
2023 s->b_count=0;
2024 s->skip_count=0;
2025
2026 for(i=0; i<3; i++){
2027 /* init last dc values */
2028 /* note: quant matrix value (8) is implied here */
2029 s->last_dc[i] = 128 << s->intra_dc_precision;
2030
2031 s->current_picture.error[i] = 0;
2032 }
2033 s->mb_skip_run = 0;
2034 memset(s->last_mv, 0, sizeof(s->last_mv));
2035
2036 s->last_mv_dir = 0;
2037
2038 switch(s->codec_id){
2039 case CODEC_ID_H263:
2040 case CODEC_ID_H263P:
2041 case CODEC_ID_FLV1:
2042 if (CONFIG_H263_ENCODER || CONFIG_H263P_ENCODER || CONFIG_FLV_ENCODER)
2043 s->gob_index = ff_h263_get_gob_height(s);
2044 break;
2045 case CODEC_ID_MPEG4:
2046 if(CONFIG_MPEG4_ENCODER && s->partitioned_frame)
2047 ff_mpeg4_init_partitions(s);
2048 break;
2049 }
2050
2051 s->resync_mb_x=0;
2052 s->resync_mb_y=0;
2053 s->first_slice_line = 1;
2054 s->ptr_lastgob = s->pb.buf;
2055 for(mb_y= s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
2056 // printf("row %d at %X\n", s->mb_y, (int)s);
2057 s->mb_x=0;
2058 s->mb_y= mb_y;
2059
2060 ff_set_qscale(s, s->qscale);
2061 ff_init_block_index(s);
2062
2063 for(mb_x=0; mb_x < s->mb_width; mb_x++) {
2064 int xy= mb_y*s->mb_stride + mb_x; // removed const, H261 needs to adjust this
2065 int mb_type= s->mb_type[xy];
2066 // int d;
2067 int dmin= INT_MAX;
2068 int dir;
2069
2070 if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < MAX_MB_BYTES){
2071 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
2072 return -1;
2073 }
2074 if(s->data_partitioning){
2075 if( s->pb2 .buf_end - s->pb2 .buf - (put_bits_count(&s-> pb2)>>3) < MAX_MB_BYTES
2076 || s->tex_pb.buf_end - s->tex_pb.buf - (put_bits_count(&s->tex_pb )>>3) < MAX_MB_BYTES){
2077 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
2078 return -1;
2079 }
2080 }
2081
2082 s->mb_x = mb_x;
2083 s->mb_y = mb_y; // moved into loop, can get changed by H.261
2084 ff_update_block_index(s);
2085
2086 if(CONFIG_H261_ENCODER && s->codec_id == CODEC_ID_H261){
2087 ff_h261_reorder_mb_index(s);
2088 xy= s->mb_y*s->mb_stride + s->mb_x;
2089 mb_type= s->mb_type[xy];
2090 }
2091
2092 /* write gob / video packet header */
2093 if(s->rtp_mode){
2094 int current_packet_size, is_gob_start;
2095
2096 current_packet_size= ((put_bits_count(&s->pb)+7)>>3) - (s->ptr_lastgob - s->pb.buf);
2097
2098 is_gob_start= s->avctx->rtp_payload_size && current_packet_size >= s->avctx->rtp_payload_size && mb_y + mb_x>0;
2099
2100 if(s->start_mb_y == mb_y && mb_y > 0 && mb_x==0) is_gob_start=1;
2101
2102 switch(s->codec_id){
2103 case CODEC_ID_H263:
2104 case CODEC_ID_H263P:
2105 if(!s->h263_slice_structured)
2106 if(s->mb_x || s->mb_y%s->gob_index) is_gob_start=0;
2107 break;
2108 case CODEC_ID_MPEG2VIDEO:
2109 if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1;
2110 case CODEC_ID_MPEG1VIDEO:
2111 if(s->mb_skip_run) is_gob_start=0;
2112 break;
2113 }
2114
2115 if(is_gob_start){
2116 if(s->start_mb_y != mb_y || mb_x!=0){
2117 write_slice_end(s);
2118
2119 if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->partitioned_frame){
2120 ff_mpeg4_init_partitions(s);
2121 }
2122 }
2123
2124 assert((put_bits_count(&s->pb)&7) == 0);
2125 current_packet_size= put_bits_ptr(&s->pb) - s->ptr_lastgob;
2126
2127 if(s->avctx->error_rate && s->resync_mb_x + s->resync_mb_y > 0){
2128 int r= put_bits_count(&s->pb)/8 + s->picture_number + 16 + s->mb_x + s->mb_y;
2129 int d= 100 / s->avctx->error_rate;
2130 if(r % d == 0){
2131 current_packet_size=0;
2132 #ifndef ALT_BITSTREAM_WRITER
2133 s->pb.buf_ptr= s->ptr_lastgob;
2134 #endif
2135 assert(put_bits_ptr(&s->pb) == s->ptr_lastgob);
2136 }
2137 }
2138
2139 if (s->avctx->rtp_callback){
2140 int number_mb = (mb_y - s->resync_mb_y)*s->mb_width + mb_x - s->resync_mb_x;
2141 s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, current_packet_size, number_mb);
2142 }
2143
2144 switch(s->codec_id){
2145 case CODEC_ID_MPEG4:
2146 if (CONFIG_MPEG4_ENCODER) {
2147 ff_mpeg4_encode_video_packet_header(s);
2148 ff_mpeg4_clean_buffers(s);
2149 }
2150 break;
2151 case CODEC_ID_MPEG1VIDEO:
2152 case CODEC_ID_MPEG2VIDEO:
2153 if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER) {
2154 ff_mpeg1_encode_slice_header(s);
2155 ff_mpeg1_clean_buffers(s);
2156 }
2157 break;
2158 case CODEC_ID_H263:
2159 case CODEC_ID_H263P:
2160 if (CONFIG_H263_ENCODER || CONFIG_H263P_ENCODER)
2161 h263_encode_gob_header(s, mb_y);
2162 break;
2163 }
2164
2165 if(s->flags&CODEC_FLAG_PASS1){
2166 int bits= put_bits_count(&s->pb);
2167 s->misc_bits+= bits - s->last_bits;
2168 s->last_bits= bits;
2169 }
2170
2171 s->ptr_lastgob += current_packet_size;
2172 s->first_slice_line=1;
2173 s->resync_mb_x=mb_x;
2174 s->resync_mb_y=mb_y;
2175 }
2176 }
2177
2178 if( (s->resync_mb_x == s->mb_x)
2179 && s->resync_mb_y+1 == s->mb_y){
2180 s->first_slice_line=0;
2181 }
2182
2183 s->mb_skipped=0;
2184 s->dquant=0; //only for QP_RD
2185
2186 if(mb_type & (mb_type-1) || (s->flags & CODEC_FLAG_QP_RD)){ // more than 1 MB type possible or CODEC_FLAG_QP_RD
2187 int next_block=0;
2188 int pb_bits_count, pb2_bits_count, tex_pb_bits_count;
2189
2190 copy_context_before_encode(&backup_s, s, -1);
2191 backup_s.pb= s->pb;
2192 best_s.data_partitioning= s->data_partitioning;
2193 best_s.partitioned_frame= s->partitioned_frame;
2194 if(s->data_partitioning){
2195 backup_s.pb2= s->pb2;
2196 backup_s.tex_pb= s->tex_pb;
2197 }
2198
2199 if(mb_type&CANDIDATE_MB_TYPE_INTER){
2200 s->mv_dir = MV_DIR_FORWARD;
2201 s->mv_type = MV_TYPE_16X16;
2202 s->mb_intra= 0;
2203 s->mv[0][0][0] = s->p_mv_table[xy][0];
2204 s->mv[0][0][1] = s->p_mv_table[xy][1];
2205 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER, pb, pb2, tex_pb,
2206 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2207 }
2208 if(mb_type&CANDIDATE_MB_TYPE_INTER_I){
2209 s->mv_dir = MV_DIR_FORWARD;
2210 s->mv_type = MV_TYPE_FIELD;
2211 s->mb_intra= 0;
2212 for(i=0; i<2; i++){
2213 j= s->field_select[0][i] = s->p_field_select_table[i][xy];
2214 s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
2215 s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
2216 }
2217 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER_I, pb, pb2, tex_pb,
2218 &dmin, &next_block, 0, 0);
2219 }
2220 if(mb_type&CANDIDATE_MB_TYPE_SKIPPED){
2221 s->mv_dir = MV_DIR_FORWARD;
2222 s->mv_type = MV_TYPE_16X16;
2223 s->mb_intra= 0;
2224 s->mv[0][0][0] = 0;
2225 s->mv[0][0][1] = 0;
2226 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_SKIPPED, pb, pb2, tex_pb,
2227 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2228 }
2229 if(mb_type&CANDIDATE_MB_TYPE_INTER4V){
2230 s->mv_dir = MV_DIR_FORWARD;
2231 s->mv_type = MV_TYPE_8X8;
2232 s->mb_intra= 0;
2233 for(i=0; i<4; i++){
2234 s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
2235 s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
2236 }
2237 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER4V, pb, pb2, tex_pb,
2238 &dmin, &next_block, 0, 0);
2239 }
2240 if(mb_type&CANDIDATE_MB_TYPE_FORWARD){
2241 s->mv_dir = MV_DIR_FORWARD;
2242 s->mv_type = MV_TYPE_16X16;
2243 s->mb_intra= 0;
2244 s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
2245 s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
2246 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD, pb, pb2, tex_pb,
2247 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2248 }
2249 if(mb_type&CANDIDATE_MB_TYPE_BACKWARD){
2250 s->mv_dir = MV_DIR_BACKWARD;
2251 s->mv_type = MV_TYPE_16X16;
2252 s->mb_intra= 0;
2253 s->mv[1][0][0] = s->b_back_mv_table[xy][0];
2254 s->mv[1][0][1] = s->b_back_mv_table[xy][1];
2255 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD, pb, pb2, tex_pb,
2256 &dmin, &next_block, s->mv[1][0][0], s->mv[1][0][1]);
2257 }
2258 if(mb_type&CANDIDATE_MB_TYPE_BIDIR){
2259 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2260 s->mv_type = MV_TYPE_16X16;
2261 s->mb_intra= 0;
2262 s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
2263 s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
2264 s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
2265 s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
2266 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR, pb, pb2, tex_pb,
2267 &dmin, &next_block, 0, 0);
2268 }
2269 if(mb_type&CANDIDATE_MB_TYPE_FORWARD_I){
2270 s->mv_dir = MV_DIR_FORWARD;
2271 s->mv_type = MV_TYPE_FIELD;
2272 s->mb_intra= 0;
2273 for(i=0; i<2; i++){
2274 j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
2275 s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
2276 s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
2277 }
2278 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD_I, pb, pb2, tex_pb,
2279 &dmin, &next_block, 0, 0);
2280 }
2281 if(mb_type&CANDIDATE_MB_TYPE_BACKWARD_I){
2282 s->mv_dir = MV_DIR_BACKWARD;
2283 s->mv_type = MV_TYPE_FIELD;
2284 s->mb_intra= 0;
2285 for(i=0; i<2; i++){
2286 j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
2287 s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
2288 s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
2289 }
2290 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD_I, pb, pb2, tex_pb,
2291 &dmin, &next_block, 0, 0);
2292 }
2293 if(mb_type&CANDIDATE_MB_TYPE_BIDIR_I){
2294 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2295 s->mv_type = MV_TYPE_FIELD;
2296 s->mb_intra= 0;
2297 for(dir=0; dir<2; dir++){
2298 for(i=0; i<2; i++){
2299 j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
2300 s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
2301 s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
2302 }
2303 }
2304 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR_I, pb, pb2, tex_pb,
2305 &dmin, &next_block, 0, 0);
2306 }
2307 if(mb_type&CANDIDATE_MB_TYPE_INTRA){
2308 s->mv_dir = 0;
2309 s->mv_type = MV_TYPE_16X16;
2310 s->mb_intra= 1;
2311 s->mv[0][0][0] = 0;
2312 s->mv[0][0][1] = 0;
2313 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTRA, pb, pb2, tex_pb,
2314 &dmin, &next_block, 0, 0);
2315 if(s->h263_pred || s->h263_aic){
2316 if(best_s.mb_intra)
2317 s->mbintra_table[mb_x + mb_y*s->mb_stride]=1;
2318 else
2319 ff_clean_intra_table_entries(s); //old mode?
2320 }
2321 }
2322
2323 if((s->flags & CODEC_FLAG_QP_RD) && dmin < INT_MAX){
2324 if(best_s.mv_type==MV_TYPE_16X16){ //FIXME move 4mv after QPRD
2325 const int last_qp= backup_s.qscale;
2326 int qpi, qp, dc[6];
2327 DCTELEM ac[6][16];
2328 const int mvdir= (best_s.mv_dir&MV_DIR_BACKWARD) ? 1 : 0;
2329 static const int dquant_tab[4]={-1,1,-2,2};
2330
2331 assert(backup_s.dquant == 0);
2332
2333 //FIXME intra
2334 s->mv_dir= best_s.mv_dir;
2335 s->mv_type = MV_TYPE_16X16;
2336 s->mb_intra= best_s.mb_intra;
2337 s->mv[0][0][0] = best_s.mv[0][0][0];
2338 s->mv[0][0][1] = best_s.mv[0][0][1];
2339 s->mv[1][0][0] = best_s.mv[1][0][0];
2340 s->mv[1][0][1] = best_s.mv[1][0][1];
2341
2342 qpi = s->pict_type == FF_B_TYPE ? 2 : 0;
2343 for(; qpi<4; qpi++){
2344 int dquant= dquant_tab[qpi];
2345 qp= last_qp + dquant;
2346 if(qp < s->avctx->qmin || qp > s->avctx->qmax)
2347 continue;
2348 backup_s.dquant= dquant;
2349 if(s->mb_intra && s->dc_val[0]){
2350 for(i=0; i<6; i++){
2351 dc[i]= s->dc_val[0][ s->block_index[i] ];
2352 memcpy(ac[i], s->ac_val[0][s->block_index[i]], sizeof(DCTELEM)*16);
2353 }
2354 }
2355
2356 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
2357 &dmin, &next_block, s->mv[mvdir][0][0], s->mv[mvdir][0][1]);
2358 if(best_s.qscale != qp){
2359 if(s->mb_intra && s->dc_val[0]){
2360 for(i=0; i<6; i++){
2361 s->dc_val[0][ s->block_index[i] ]= dc[i];
2362 memcpy(s->ac_val[0][s->block_index[i]], ac[i], sizeof(DCTELEM)*16);
2363 }
2364 }
2365 }
2366 }
2367 }
2368 }
2369 if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT){
2370 int mx= s->b_direct_mv_table[xy][0];
2371 int my= s->b_direct_mv_table[xy][1];
2372
2373 backup_s.dquant = 0;
2374 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2375 s->mb_intra= 0;
2376 ff_mpeg4_set_direct_mv(s, mx, my);
2377 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
2378 &dmin, &next_block, mx, my);
2379 }
2380 if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT0){
2381 backup_s.dquant = 0;
2382 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2383 s->mb_intra= 0;
2384 ff_mpeg4_set_direct_mv(s, 0, 0);
2385 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
2386 &dmin, &next_block, 0, 0);
2387 }
2388 if(!best_s.mb_intra && s->flags2&CODEC_FLAG2_SKIP_RD){
2389 int coded=0;
2390 for(i=0; i<6; i++)
2391 coded |= s->block_last_index[i];
2392 if(coded){
2393 int mx,my;
2394 memcpy(s->mv, best_s.mv, sizeof(s->mv));
2395 if(CONFIG_MPEG4_ENCODER && best_s.mv_dir & MV_DIRECT){
2396 mx=my=0; //FIXME find the one we actually used
2397 ff_mpeg4_set_direct_mv(s, mx, my);
2398 }else if(best_s.mv_dir&MV_DIR_BACKWARD){
2399 mx= s->mv[1][0][0];
2400 my= s->mv[1][0][1];
2401 }else{
2402 mx= s->mv[0][0][0];
2403 my= s->mv[0][0][1];
2404 }
2405
2406 s->mv_dir= best_s.mv_dir;
2407 s->mv_type = best_s.mv_type;
2408 s->mb_intra= 0;
2409 /* s->mv[0][0][0] = best_s.mv[0][0][0];
2410 s->mv[0][0][1] = best_s.mv[0][0][1];
2411 s->mv[1][0][0] = best_s.mv[1][0][0];
2412 s->mv[1][0][1] = best_s.mv[1][0][1];*/
2413 backup_s.dquant= 0;
2414 s->skipdct=1;
2415 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
2416 &dmin, &next_block, mx, my);
2417 s->skipdct=0;
2418 }
2419 }
2420
2421 s->current_picture.qscale_table[xy]= best_s.qscale;
2422
2423 copy_context_after_encode(s, &best_s, -1);
2424
2425 pb_bits_count= put_bits_count(&s->pb);
2426 flush_put_bits(&s->pb);
2427 ff_copy_bits(&backup_s.pb, bit_buf[next_block^1], pb_bits_count);
2428 s->pb= backup_s.pb;
2429
2430 if(s->data_partitioning){
2431 pb2_bits_count= put_bits_count(&s->pb2);
2432 flush_put_bits(&s->pb2);
2433 ff_copy_bits(&backup_s.pb2, bit_buf2[next_block^1], pb2_bits_count);
2434 s->pb2= backup_s.pb2;
2435
2436 tex_pb_bits_count= put_bits_count(&s->tex_pb);
2437 flush_put_bits(&s->tex_pb);
2438 ff_copy_bits(&backup_s.tex_pb, bit_buf_tex[next_block^1], tex_pb_bits_count);
2439 s->tex_pb= backup_s.tex_pb;
2440 }
2441 s->last_bits= put_bits_count(&s->pb);
2442
2443 if (CONFIG_ANY_H263_ENCODER &&
2444 s->out_format == FMT_H263 && s->pict_type!=FF_B_TYPE)
2445 ff_h263_update_motion_val(s);
2446
2447 if(next_block==0){ //FIXME 16 vs linesize16
2448 s->dsp.put_pixels_tab[0][0](s->dest[0], s->rd_scratchpad , s->linesize ,16);
2449 s->dsp.put_pixels_tab[1][0](s->dest[1], s->rd_scratchpad + 16*s->linesize , s->uvlinesize, 8);
2450 s->dsp.put_pixels_tab[1][0](s->dest[2], s->rd_scratchpad + 16*s->linesize + 8, s->uvlinesize, 8);
2451 }
2452
2453 if(s->avctx->mb_decision == FF_MB_DECISION_BITS)
2454 MPV_decode_mb(s, s->block);
2455 } else {
2456 int motion_x = 0, motion_y = 0;
2457 s->mv_type=MV_TYPE_16X16;
2458 // only one MB-Type possible
2459
2460 switch(mb_type){
2461 case CANDIDATE_MB_TYPE_INTRA:
2462 s->mv_dir = 0;
2463 s->mb_intra= 1;
2464 motion_x= s->mv[0][0][0] = 0;
2465 motion_y= s->mv[0][0][1] = 0;
2466 break;
2467 case CANDIDATE_MB_TYPE_INTER:
2468 s->mv_dir = MV_DIR_FORWARD;
2469 s->mb_intra= 0;
2470 motion_x= s->mv[0][0][0] = s->p_mv_table[xy][0];
2471 motion_y= s->mv[0][0][1] = s->p_mv_table[xy][1];
2472 break;
2473 case CANDIDATE_MB_TYPE_INTER_I:
2474 s->mv_dir = MV_DIR_FORWARD;
2475 s->mv_type = MV_TYPE_FIELD;
2476 s->mb_intra= 0;
2477 for(i=0; i<2; i++){
2478 j= s->field_select[0][i] = s->p_field_select_table[i][xy];
2479 s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
2480 s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
2481 }
2482 break;
2483 case CANDIDATE_MB_TYPE_INTER4V:
2484 s->mv_dir = MV_DIR_FORWARD;
2485 s->mv_type = MV_TYPE_8X8;
2486 s->mb_intra= 0;
2487 for(i=0; i<4; i++){
2488 s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
2489 s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
2490 }
2491 break;
2492 case CANDIDATE_MB_TYPE_DIRECT:
2493 if (CONFIG_MPEG4_ENCODER) {
2494 s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT;
2495 s->mb_intra= 0;
2496 motion_x=s->b_direct_mv_table[xy][0];
2497 motion_y=s->b_direct_mv_table[xy][1];
2498 ff_mpeg4_set_direct_mv(s, motion_x, motion_y);
2499 }
2500 break;
2501 case CANDIDATE_MB_TYPE_DIRECT0:
2502 if (CONFIG_MPEG4_ENCODER) {
2503 s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT;
2504 s->mb_intra= 0;
2505 ff_mpeg4_set_direct_mv(s, 0, 0);
2506 }
2507 break;
2508 case CANDIDATE_MB_TYPE_BIDIR:
2509 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2510 s->mb_intra= 0;
2511 s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
2512 s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
2513 s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
2514 s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
2515 break;
2516 case CANDIDATE_MB_TYPE_BACKWARD:
2517 s->mv_dir = MV_DIR_BACKWARD;
2518 s->mb_intra= 0;
2519 motion_x= s->mv[1][0][0] = s->b_back_mv_table[xy][0];
2520 motion_y= s->mv[1][0][1] = s->b_back_mv_table[xy][1];
2521 break;
2522 case CANDIDATE_MB_TYPE_FORWARD:
2523 s->mv_dir = MV_DIR_FORWARD;
2524 s->mb_intra= 0;
2525 motion_x= s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
2526 motion_y= s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
2527 // printf(" %d %d ", motion_x, motion_y);
2528 break;
2529 case CANDIDATE_MB_TYPE_FORWARD_I:
2530 s->mv_dir = MV_DIR_FORWARD;
2531 s->mv_type = MV_TYPE_FIELD;
2532 s->mb_intra= 0;
2533 for(i=0; i<2; i++){
2534 j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
2535 s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
2536 s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
2537 }
2538 break;
2539 case CANDIDATE_MB_TYPE_BACKWARD_I:
2540 s->mv_dir = MV_DIR_BACKWARD;
2541 s->mv_type = MV_TYPE_FIELD;
2542 s->mb_intra= 0;
2543 for(i=0; i<2; i++){
2544 j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
2545 s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
2546 s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
2547 }
2548 break;
2549 case CANDIDATE_MB_TYPE_BIDIR_I:
2550 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2551 s->mv_type = MV_TYPE_FIELD;
2552 s->mb_intra= 0;
2553 for(dir=0; dir<2; dir++){
2554 for(i=0; i<2; i++){
2555 j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
2556 s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
2557 s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
2558 }
2559 }
2560 break;
2561 default:
2562 av_log(s->avctx, AV_LOG_ERROR, "illegal MB type\n");
2563 }
2564
2565 encode_mb(s, motion_x, motion_y);
2566
2567 // RAL: Update last macroblock type
2568 s->last_mv_dir = s->mv_dir;
2569
2570 if (CONFIG_ANY_H263_ENCODER &&
2571 s->out_format == FMT_H263 && s->pict_type!=FF_B_TYPE)
2572 ff_h263_update_motion_val(s);
2573
2574 MPV_decode_mb(s, s->block);
2575 }
2576
2577 /* clean the MV table in IPS frames for direct mode in B frames */
2578 if(s->mb_intra /* && I,P,S_TYPE */){
2579 s->p_mv_table[xy][0]=0;
2580 s->p_mv_table[xy][1]=0;
2581 }
2582
2583 if(s->flags&CODEC_FLAG_PSNR){
2584 int w= 16;
2585 int h= 16;
2586
2587 if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
2588 if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
2589
2590 s->current_picture.error[0] += sse(
2591 s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16,
2592 s->dest[0], w, h, s->linesize);
2593 s->current_picture.error[1] += sse(
2594 s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h,
2595 s->dest[1], w>>1, h>>s->chroma_y_shift, s->uvlinesize);
2596 s->current_picture.error[2] += sse(
2597 s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h,
2598 s->dest[2], w>>1, h>>s->chroma_y_shift, s->uvlinesize);
2599 }
2600 if(s->loop_filter){
2601 if(CONFIG_ANY_H263_ENCODER && s->out_format == FMT_H263)
2602 ff_h263_loop_filter(s);
2603 }
2604 //printf("MB %d %d bits\n", s->mb_x+s->mb_y*s->mb_stride, put_bits_count(&s->pb));
2605 }
2606 }
2607
2608 //not beautiful here but we must write it before flushing so it has to be here
2609 if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type == FF_I_TYPE)
2610 msmpeg4_encode_ext_header(s);
2611
2612 write_slice_end(s);
2613
2614 /* Send the last GOB if RTP */
2615 if (s->avctx->rtp_callback) {
2616 int number_mb = (mb_y - s->resync_mb_y)*s->mb_width - s->resync_mb_x;
2617 pdif = put_bits_ptr(&s->pb) - s->ptr_lastgob;
2618 /* Call the RTP callback to send the last GOB */
2619 emms_c();
2620 s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, pdif, number_mb);
2621 }
2622
2623 return 0;
2624 }
2625
2626 #define MERGE(field) dst->field += src->field; src->field=0
2627 static void merge_context_after_me(MpegEncContext *dst, MpegEncContext *src){
2628 MERGE(me.scene_change_score);
2629 MERGE(me.mc_mb_var_sum_temp);
2630 MERGE(me.mb_var_sum_temp);
2631 }
2632
2633 static void merge_context_after_encode(MpegEncContext *dst, MpegEncContext *src){
2634 int i;
2635
2636 MERGE(dct_count[0]); //note, the other dct vars are not part of the context
2637 MERGE(dct_count[1]);
2638 MERGE(mv_bits);
2639 MERGE(i_tex_bits);
2640 MERGE(p_tex_bits);
2641 MERGE(i_count);
2642 MERGE(f_count);
2643 MERGE(b_count);
2644 MERGE(skip_count);
2645 MERGE(misc_bits);
2646 MERGE(error_count);
2647 MERGE(padding_bug_score);
2648 MERGE(current_picture.error[0]);
2649 MERGE(current_picture.error[1]);
2650 MERGE(current_picture.error[2]);
2651
2652 if(dst->avctx->noise_reduction){
2653 for(i=0; i<64; i++){
2654 MERGE(dct_error_sum[0][i]);
2655 MERGE(dct_error_sum[1][i]);
2656 }
2657 }
2658
2659 assert(put_bits_count(&src->pb) % 8 ==0);
2660 assert(put_bits_count(&dst->pb) % 8 ==0);
2661 ff_copy_bits(&dst->pb, src->pb.buf, put_bits_count(&src->pb));
2662 flush_put_bits(&dst->pb);
2663 }
2664
2665 static int estimate_qp(MpegEncContext *s, int dry_run){
2666 if (s->next_lambda){
2667 s->current_picture_ptr->quality=
2668 s->current_picture.quality = s->next_lambda;
2669 if(!dry_run) s->next_lambda= 0;
2670 } else if (!s->fixed_qscale) {
2671 s->current_picture_ptr->quality=
2672 s->current_picture.quality = ff_rate_estimate_qscale(s, dry_run);
2673 if (s->current_picture.quality < 0)
2674 return -1;
2675 }
2676
2677 if(s->adaptive_quant){
2678 switch(s->codec_id){
2679 case CODEC_ID_MPEG4:
2680 if (CONFIG_MPEG4_ENCODER)
2681 ff_clean_mpeg4_qscales(s);
2682 break;
2683 case CODEC_ID_H263:
2684 case CODEC_ID_H263P:
2685 case CODEC_ID_FLV1:
2686 if (CONFIG_H263_ENCODER||CONFIG_H263P_ENCODER||CONFIG_FLV_ENCODER)
2687 ff_clean_h263_qscales(s);
2688 break;
2689 }
2690
2691 s->lambda= s->lambda_table[0];
2692 //FIXME broken
2693 }else
2694 s->lambda= s->current_picture.quality;
2695 //printf("%d %d\n", s->avctx->global_quality, s->current_picture.quality);
2696 update_qscale(s);
2697 return 0;
2698 }
2699
2700 /* must be called before writing the header */
2701 static void set_frame_distances(MpegEncContext * s){
2702 assert(s->current_picture_ptr->pts != AV_NOPTS_VALUE);
2703 s->time= s->current_picture_ptr->pts*s->avctx->time_base.num;
2704
2705 if(s->pict_type==FF_B_TYPE){
2706 s->pb_time= s->pp_time - (s->last_non_b_time - s->time);
2707 assert(s->pb_time > 0 && s->pb_time < s->pp_time);
2708 }else{
2709 s->pp_time= s->time - s->last_non_b_time;
2710 s->last_non_b_time= s->time;
2711 assert(s->picture_number==0 || s->pp_time > 0);
2712 }
2713 }
2714
2715 static int encode_picture(MpegEncContext *s, int picture_number)
2716 {
2717 int i;
2718 int bits;
2719
2720 s->picture_number = picture_number;
2721
2722 /* Reset the average MB variance */
2723 s->me.mb_var_sum_temp =
2724 s->me.mc_mb_var_sum_temp = 0;
2725
2726 /* we need to initialize some time vars before we can encode b-frames */
2727 // RAL: Condition added for MPEG1VIDEO
2728 if (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO || (s->h263_pred && !s->h263_msmpeg4))
2729 set_frame_distances(s);
2730 if(CONFIG_MPEG4_ENCODER && s->codec_id == CODEC_ID_MPEG4)
2731 ff_set_mpeg4_time(s);
2732
2733 s->me.scene_change_score=0;
2734
2735 // s->lambda= s->current_picture_ptr->quality; //FIXME qscale / ... stuff for ME rate distortion
2736
2737 if(s->pict_type==FF_I_TYPE){
2738 if(s->msmpeg4_version >= 3) s->no_rounding=1;
2739 else s->no_rounding=0;
2740 }else if(s->pict_type!=FF_B_TYPE){
2741 if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
2742 s->no_rounding ^= 1;
2743 }
2744
2745 if(s->flags & CODEC_FLAG_PASS2){
2746 if (estimate_qp(s,1) < 0)
2747 return -1;
2748 ff_get_2pass_fcode(s);
2749 }else if(!(s->flags & CODEC_FLAG_QSCALE)){
2750 if(s->pict_type==FF_B_TYPE)
2751 s->lambda= s->last_lambda_for[s->pict_type];
2752 else
2753 s->lambda= s->last_lambda_for[s->last_non_b_pict_type];
2754 update_qscale(s);
2755 }
2756
2757 s->mb_intra=0; //for the rate distortion & bit compare functions
2758 for(i=1; i<s->avctx->thread_count; i++){
2759 ff_update_duplicate_context(s->thread_context[i], s);
2760 }
2761
2762 if(ff_init_me(s)<0)
2763 return -1;
2764
2765 /* Estimate motion for every MB */
2766 if(s->pict_type != FF_I_TYPE){
2767 s->lambda = (s->lambda * s->avctx->me_penalty_compensation + 128)>>8;
2768 s->lambda2= (s->lambda2* (int64_t)s->avctx->me_penalty_compensation + 128)>>8;
2769 if(s->pict_type != FF_B_TYPE && s->avctx->me_threshold==0){
2770 if((s->avctx->pre_me && s->last_non_b_pict_type==FF_I_TYPE) || s->avctx->pre_me==2){
2771 s->avctx->execute(s->avctx, pre_estimate_motion_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count, sizeof(void*));
2772 }
2773 }
2774
2775 s->avctx->execute(s->avctx, estimate_motion_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count, sizeof(void*));
2776 }else /* if(s->pict_type == FF_I_TYPE) */{
2777 /* I-Frame */
2778 for(i=0; i<s->mb_stride*s->mb_height; i++)
2779 s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
2780
2781 if(!s->fixed_qscale){
2782 /* finding spatial complexity for I-frame rate control */
2783 s->avctx->execute(s->avctx, mb_var_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count, sizeof(void*));
2784 }
2785 }
2786 for(i=1; i<s->avctx->thread_count; i++){
2787 merge_context_after_me(s, s->thread_context[i]);
2788 }
2789 s->current_picture.mc_mb_var_sum= s->current_picture_ptr->mc_mb_var_sum= s->me.mc_mb_var_sum_temp;
2790 s->current_picture. mb_var_sum= s->current_picture_ptr-> mb_var_sum= s->me. mb_var_sum_temp;
2791 emms_c();
2792
2793 if(s->me.scene_change_score > s->avctx->scenechange_threshold && s->pict_type == FF_P_TYPE){
2794 s->pict_type= FF_I_TYPE;
2795 for(i=0; i<s->mb_stride*s->mb_height; i++)
2796 s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
2797 //printf("Scene change detected, encoding as I Frame %d %d\n", s->current_picture.mb_var_sum, s->current_picture.mc_mb_var_sum);
2798 }
2799
2800 if(!s->umvplus){
2801 if(s->pict_type==FF_P_TYPE || s->pict_type==FF_S_TYPE) {
2802 s->f_code= ff_get_best_fcode(s, s->p_mv_table, CANDIDATE_MB_TYPE_INTER);
2803
2804 if(s->flags & CODEC_FLAG_INTERLACED_ME){
2805 int a,b;
2806 a= ff_get_best_fcode(s, s->p_field_mv_table[0][0], CANDIDATE_MB_TYPE_INTER_I); //FIXME field_select
2807 b= ff_get_best_fcode(s, s->p_field_mv_table[1][1], CANDIDATE_MB_TYPE_INTER_I);
2808 s->f_code= FFMAX3(s->f_code, a, b);
2809 }
2810
2811 ff_fix_long_p_mvs(s);
2812 ff_fix_long_mvs(s, NULL, 0, s->p_mv_table, s->f_code, CANDIDATE_MB_TYPE_INTER, 0);
2813 if(s->flags & CODEC_FLAG_INTERLACED_ME){
2814 int j;
2815 for(i=0; i<2; i++){
2816 for(j=0; j<2; j++)
2817 ff_fix_long_mvs(s, s->p_field_select_table[i], j,
2818 s->p_field_mv_table[i][j], s->f_code, CANDIDATE_MB_TYPE_INTER_I, 0);
2819 }
2820 }
2821 }
2822
2823 if(s->pict_type==FF_B_TYPE){
2824 int a, b;
2825
2826 a = ff_get_best_fcode(s, s->b_forw_mv_table, CANDIDATE_MB_TYPE_FORWARD);
2827 b = ff_get_best_fcode(s, s->b_bidir_forw_mv_table, CANDIDATE_MB_TYPE_BIDIR);
2828 s->f_code = FFMAX(a, b);
2829
2830 a = ff_get_best_fcode(s, s->b_back_mv_table, CANDIDATE_MB_TYPE_BACKWARD);
2831 b = ff_get_best_fcode(s, s->b_bidir_back_mv_table, CANDIDATE_MB_TYPE_BIDIR);
2832 s->b_code = FFMAX(a, b);
2833
2834 ff_fix_long_mvs(s, NULL, 0, s->b_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_FORWARD, 1);
2835 ff_fix_long_mvs(s, NULL, 0, s->b_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BACKWARD, 1);
2836 ff_fix_long_mvs(s, NULL, 0, s->b_bidir_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_BIDIR, 1);
2837 ff_fix_long_mvs(s, NULL, 0, s->b_bidir_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BIDIR, 1);
2838 if(s->flags & CODEC_FLAG_INTERLACED_ME){
2839 int dir, j;
2840 for(dir=0; dir<2; dir++){
2841 for(i=0; i<2; i++){
2842 for(j=0; j<2; j++){
2843 int type= dir ? (CANDIDATE_MB_TYPE_BACKWARD_I|CANDIDATE_MB_TYPE_BIDIR_I)
2844 : (CANDIDATE_MB_TYPE_FORWARD_I |CANDIDATE_MB_TYPE_BIDIR_I);
2845 ff_fix_long_mvs(s, s->b_field_select_table[dir][i], j,
2846 s->b_field_mv_table[dir][i][j], dir ? s->b_code : s->f_code, type, 1);
2847 }
2848 }
2849 }
2850 }
2851 }
2852 }
2853
2854 if (estimate_qp(s, 0) < 0)
2855 return -1;
2856
2857 if(s->qscale < 3 && s->max_qcoeff<=128 && s->pict_type==FF_I_TYPE && !(s->flags & CODEC_FLAG_QSCALE))
2858 s->qscale= 3; //reduce clipping problems
2859
2860 if (s->out_format == FMT_MJPEG) {
2861 /* for mjpeg, we do include qscale in the matrix */
2862 s->intra_matrix[0] = ff_mpeg1_default_intra_matrix[0];
2863 for(i=1;i<64;i++){
2864 int j= s->dsp.idct_permutation[i];
2865
2866 s->intra_matrix[j] = av_clip_uint8((ff_mpeg1_default_intra_matrix[i] * s->qscale) >> 3);
2867 }
2868 ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
2869 s->intra_matrix, s->intra_quant_bias, 8, 8, 1);
2870 s->qscale= 8;
2871 }
2872
2873 //FIXME var duplication
2874 s->current_picture_ptr->key_frame=
2875 s->current_picture.key_frame= s->pict_type == FF_I_TYPE; //FIXME pic_ptr
2876 s->current_picture_ptr->pict_type=
2877 s->current_picture.pict_type= s->pict_type;
2878
2879 if(s->current_picture.key_frame)
2880 s->picture_in_gop_number=0;
2881
2882 s->last_bits= put_bits_count(&s->pb);
2883 switch(s->out_format) {
2884 case FMT_MJPEG:
2885 if (CONFIG_MJPEG_ENCODER)
2886 ff_mjpeg_encode_picture_header(s);
2887 break;
2888 case FMT_H261:
2889 if (CONFIG_H261_ENCODER)
2890 ff_h261_encode_picture_header(s, picture_number);
2891 break;
2892 case FMT_H263:
2893 if (CONFIG_WMV2_ENCODER && s->codec_id == CODEC_ID_WMV2)
2894 ff_wmv2_encode_picture_header(s, picture_number);
2895 else if (CONFIG_MSMPEG4_ENCODER && s->h263_msmpeg4)
2896 msmpeg4_encode_picture_header(s, picture_number);
2897 else if (CONFIG_MPEG4_ENCODER && s->h263_pred)
2898 mpeg4_encode_picture_header(s, picture_number);
2899 else if (CONFIG_RV10_ENCODER && s->codec_id == CODEC_ID_RV10)
2900 rv10_encode_picture_header(s, picture_number);
2901 else if (CONFIG_RV20_ENCODER && s->codec_id == CODEC_ID_RV20)
2902 rv20_encode_picture_header(s, picture_number);
2903 else if (CONFIG_FLV_ENCODER && s->codec_id == CODEC_ID_FLV1)
2904 ff_flv_encode_picture_header(s, picture_number);
2905 else if (CONFIG_ANY_H263_ENCODER)
2906 h263_encode_picture_header(s, picture_number);
2907 break;
2908 case FMT_MPEG1:
2909 if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
2910 mpeg1_encode_picture_header(s, picture_number);
2911 break;
2912 case FMT_H264:
2913 break;
2914 default:
2915 assert(0);
2916 }
2917 bits= put_bits_count(&s->pb);
2918 s->header_bits= bits - s->last_bits;
2919
2920 for(i=1; i<s->avctx->thread_count; i++){
2921 update_duplicate_context_after_me(s->thread_context[i], s);
2922 }
2923 s->avctx->execute(s->avctx, encode_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count, sizeof(void*));
2924 for(i=1; i<s->avctx->thread_count; i++){
2925 merge_context_after_encode(s, s->thread_context[i]);
2926 }
2927 emms_c();
2928 return 0;
2929 }
2930
2931 void denoise_dct_c(MpegEncContext *s, DCTELEM *block){
2932 const int intra= s->mb_intra;
2933 int i;
2934
2935 s->dct_count[intra]++;
2936
2937 for(i=0; i<64; i++){
2938 int level= block[i];
2939
2940 if(level){
2941 if(level>0){
2942 s->dct_error_sum[intra][i] += level;
2943 level -= s->dct_offset[intra][i];
2944 if(level<0) level=0;
2945 }else{
2946 s->dct_error_sum[intra][i] -= level;
2947 level += s->dct_offset[intra][i];
2948 if(level>0) level=0;
2949 }
2950 block[i]= level;
2951 }
2952 }
2953 }
2954
2955 int dct_quantize_trellis_c(MpegEncContext *s,
2956 DCTELEM *block, int n,
2957 int qscale, int *overflow){
2958 const int *qmat;
2959 const uint8_t *scantable= s->intra_scantable.scantable;
2960 const uint8_t *perm_scantable= s->intra_scantable.permutated;
2961 int max=0;
2962 unsigned int threshold1, threshold2;
2963 int bias=0;
2964 int run_tab[65];
2965 int level_tab[65];
2966 int score_tab[65];
2967 int survivor[65];
2968 int survivor_count;
2969 int last_run=0;
2970 int last_level=0;
2971 int last_score= 0;
2972 int last_i;
2973 int coeff[2][64];
2974 int coeff_count[64];
2975 int qmul, qadd, start_i, last_non_zero, i, dc;
2976 const int esc_length= s->ac_esc_length;
2977 uint8_t * length;
2978 uint8_t * last_length;
2979 const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6);
2980
2981 s->dsp.fdct (block);
2982
2983 if(s->dct_error_sum)
2984 s->denoise_dct(s, block);
2985 qmul= qscale*16;
2986 qadd= ((qscale-1)|1)*8;
2987
2988 if (s->mb_intra) {
2989 int q;
2990 if (!s->h263_aic) {
2991 if (n < 4)
2992 q = s->y_dc_scale;
2993 else
2994 q = s->c_dc_scale;
2995 q = q << 3;
2996 } else{
2997 /* For AIC we skip quant/dequant of INTRADC */
2998 q = 1 << 3;
2999 qadd=0;
3000 }
3001
3002 /* note: block[0] is assumed to be positive */
3003 block[0] = (block[0] + (q >> 1)) / q;
3004 start_i = 1;
3005 last_non_zero = 0;
3006 qmat = s->q_intra_matrix[qscale];
3007 if(s->mpeg_quant || s->out_format == FMT_MPEG1)
3008 bias= 1<<(QMAT_SHIFT-1);
3009 length = s->intra_ac_vlc_length;
3010 last_length= s->intra_ac_vlc_last_length;
3011 } else {
3012 start_i = 0;
3013 last_non_zero = -1;
3014 qmat = s->q_inter_matrix[qscale];
3015 length = s->inter_ac_vlc_length;
3016 last_length= s->inter_ac_vlc_last_length;
3017 }
3018 last_i= start_i;
3019
3020 threshold1= (1<<QMAT_SHIFT) - bias - 1;
3021 threshold2= (threshold1<<1);
3022
3023 for(i=63; i>=start_i; i--) {
3024 const int j = scantable[i];
3025 int level = block[j] * qmat[j];
3026
3027 if(((unsigned)(level+threshold1))>threshold2){
3028 last_non_zero = i;
3029 break;
3030 }
3031 }
3032
3033 for(i=start_i; i<=last_non_zero; i++) {
3034 const int j = scantable[i];
3035 int level = block[j] * qmat[j];
3036
3037 // if( bias+level >= (1<<(QMAT_SHIFT - 3))
3038 // || bias-level >= (1<<(QMAT_SHIFT - 3))){
3039 if(((unsigned)(level+threshold1))>threshold2){
3040 if(level>0){
3041 level= (bias + level)>>QMAT_SHIFT;
3042 coeff[0][i]= level;
3043 coeff[1][i]= level-1;
3044 // coeff[2][k]= level-2;
3045 }else{
3046 level= (bias - level)>>QMAT_SHIFT;
3047 coeff[0][i]= -level;
3048 coeff[1][i]= -level+1;
3049 // coeff[2][k]= -level+2;
3050 }
3051 coeff_count[i]= FFMIN(level, 2);
3052 assert(coeff_count[i]);
3053 max |=level;
3054 }else{
3055 coeff[0][i]= (level>>31)|1;
3056 coeff_count[i]= 1;
3057 }
3058 }
3059
3060 *overflow= s->max_qcoeff < max; //overflow might have happened
3061
3062 if(last_non_zero < start_i){
3063 memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM));
3064 return last_non_zero;
3065 }
3066
3067 score_tab[start_i]= 0;
3068 survivor[0]= start_i;
3069 survivor_count= 1;
3070
3071 for(i=start_i; i<=last_non_zero; i++){
3072 int level_index, j, zero_distortion;
3073 int dct_coeff= FFABS(block[ scantable[i] ]);
3074 int best_score=256*256*256*120;
3075
3076 if ( s->dsp.fdct == fdct_ifast
3077 #ifndef FAAN_POSTSCALE
3078 || s->dsp.fdct == ff_faandct
3079 #endif
3080 )
3081 dct_coeff= (dct_coeff*ff_inv_aanscales[ scantable[i] ]) >> 12;
3082 zero_distortion= dct_coeff*dct_coeff;
3083
3084 for(level_index=0; level_index < coeff_count[i]; level_index++){
3085 int distortion;
3086 int level= coeff[level_index][i];
3087 const int alevel= FFABS(level);
3088 int unquant_coeff;
3089
3090 assert(level);
3091
3092 if(s->out_format == FMT_H263){
3093 unquant_coeff= alevel*qmul + qadd;
3094 }else{ //MPEG1
3095 j= s->dsp.idct_permutation[ scantable[i] ]; //FIXME optimize
3096 if(s->mb_intra){
3097 unquant_coeff = (int)( alevel * qscale * s->intra_matrix[j]) >> 3;
3098 unquant_coeff = (unquant_coeff - 1) | 1;
3099 }else{
3100 unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[j])) >> 4;
3101 unquant_coeff = (unquant_coeff - 1) | 1;
3102 }
3103 unquant_coeff<<= 3;
3104 }
3105
3106 distortion= (unquant_coeff - dct_coeff) * (unquant_coeff - dct_coeff) - zero_distortion;
3107 level+=64;
3108 if((level&(~127)) == 0){
3109 for(j=survivor_count-1; j>=0; j--){
3110 int run= i - survivor[j];
3111 int score= distortion + length[UNI_AC_ENC_INDEX(run, level)]*lambda;
3112 score += score_tab[i-run];
3113
3114 if(score < best_score){
3115 best_score= score;
3116 run_tab[i+1]= run;
3117 level_tab[i+1]= level-64;
3118 }
3119 }
3120
3121 if(s->out_format == FMT_H263){
3122 for(j=survivor_count-1; j>=0; j--){
3123 int run= i - survivor[j];
3124 int score= distortion + last_length[UNI_AC_ENC_INDEX(run, level)]*lambda;
3125 score += score_tab[i-run];
3126 if(score < last_score){
3127 last_score= score;
3128 last_run= run;
3129 last_level= level-64;
3130 last_i= i+1;
3131 }
3132 }
3133 }
3134 }else{
3135 distortion += esc_length*lambda;
3136 for(j=survivor_count-1; j>=0; j--){
3137 int run= i - survivor[j];
3138 int score= distortion + score_tab[i-run];
3139
3140 if(score < best_score){
3141 best_score= score;
3142 run_tab[i+1]= run;
3143 level_tab[i+1]= level-64;
3144 }
3145 }
3146
3147 if(s->out_format == FMT_H263){
3148 for(j=survivor_count-1; j>=0; j--){
3149 int run= i - survivor[j];
3150 int score= distortion + score_tab[i-run];
3151 if(score < last_score){
3152 last_score= score;
3153 last_run= run;
3154 last_level= level-64;
3155 last_i= i+1;
3156 }
3157 }
3158 }
3159 }
3160 }
3161
3162 score_tab[i+1]= best_score;
3163
3164 //Note: there is a vlc code in mpeg4 which is 1 bit shorter then another one with a shorter run and the same level
3165 if(last_non_zero <= 27){
3166 for(; survivor_count; survivor_count--){
3167 if(score_tab[ survivor[survivor_count-1] ] <= best_score)
3168 break;
3169 }
3170 }else{
3171 for(; survivor_count; survivor_count--){
3172 if(score_tab[ survivor[survivor_count-1] ] <= best_score + lambda)
3173 break;
3174 }
3175 }
3176
3177 survivor[ survivor_count++ ]= i+1;
3178 }
3179
3180 if(s->out_format != FMT_H263){
3181 last_score= 256*256*256*120;
3182 for(i= survivor[0]; i<=last_non_zero + 1; i++){
3183 int score= score_tab[i];
3184 if(i) score += lambda*2; //FIXME exacter?
3185
3186 if(score < last_score){
3187 last_score= score;
3188 last_i= i;
3189 last_level= level_tab[i];
3190 last_run= run_tab[i];
3191 }
3192 }
3193 }
3194
3195 s->coded_score[n] = last_score;
3196
3197 dc= FFABS(block[0]);
3198 last_non_zero= last_i - 1;
3199 memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM));
3200
3201 if(last_non_zero < start_i)
3202 return last_non_zero;
3203
3204 if(last_non_zero == 0 && start_i == 0){
3205 int best_level= 0;
3206 int best_score= dc * dc;
3207
3208 for(i=0; i<coeff_count[0]; i++){
3209 int level= coeff[i][0];
3210 int alevel= FFABS(level);
3211 int unquant_coeff, score, distortion;
3212
3213 if(s->out_format == FMT_H263){
3214 unquant_coeff= (alevel*qmul + qadd)>>3;
3215 }else{ //MPEG1
3216 unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[0])) >> 4;
3217 unquant_coeff = (unquant_coeff - 1) | 1;
3218 }
3219 unquant_coeff = (unquant_coeff + 4) >> 3;
3220 unquant_coeff<<= 3 + 3;
3221
3222 distortion= (unquant_coeff - dc) * (unquant_coeff - dc);
3223 level+=64;
3224 if((level&(~127)) == 0) score= distortion + last_length[UNI_AC_ENC_INDEX(0, level)]*lambda;
3225 else score= distortion + esc_length*lambda;
3226
3227 if(score < best_score){
3228 best_score= score;
3229 best_level= level - 64;
3230 }
3231 }
3232 block[0]= best_level;
3233 s->coded_score[n] = best_score - dc*dc;
3234 if(best_level == 0) return -1;
3235 else return last_non_zero;
3236 }
3237
3238 i= last_i;
3239 assert(last_level);
3240
3241 block[ perm_scantable[last_non_zero] ]= last_level;
3242 i -= last_run + 1;
3243
3244 for(; i>start_i; i -= run_tab[i] + 1){
3245 block[ perm_scantable[i-1] ]= level_tab[i];
3246 }
3247
3248 return last_non_zero;
3249 }
3250
3251 //#define REFINE_STATS 1
3252 static int16_t basis[64][64];
3253
3254 static void build_basis(uint8_t *perm){
3255 int i, j, x, y;
3256 emms_c();
3257 for(i=0; i<8; i++){
3258 for(j=0; j<8; j++){
3259 for(y=0; y<8; y++){
3260 for(x=0; x<8; x++){
3261 double s= 0.25*(1<<BASIS_SHIFT);
3262 int index= 8*i + j;
3263 int perm_index= perm[index];
3264 if(i==0) s*= sqrt(0.5);
3265 if(j==0) s*= sqrt(0.5);
3266 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)));
3267 }
3268 }
3269 }
3270 }
3271 }
3272
3273 static int dct_quantize_refine(MpegEncContext *s, //FIXME breaks denoise?
3274 DCTELEM *block, int16_t *weight, DCTELEM *orig,
3275 int n, int qscale){
3276 int16_t rem[64];
3277 DECLARE_ALIGNED_16(DCTELEM, d1[64]);
3278 const uint8_t *scantable= s->intra_scantable.scantable;
3279 const uint8_t *perm_scantable= s->intra_scantable.permutated;
3280 // unsigned int threshold1, threshold2;
3281 // int bias=0;
3282 int run_tab[65];
3283 int prev_run=0;
3284 int prev_level=0;
3285 int qmul, qadd, start_i, last_non_zero, i, dc;
3286 uint8_t * length;
3287 uint8_t * last_length;
3288 int lambda;
3289 int rle_index, run, q = 1, sum; //q is only used when s->mb_intra is true
3290 #ifdef REFINE_STATS
3291 static int count=0;
3292 static int after_last=0;
3293 static int to_zero=0;
3294 static int from_zero=0;
3295 static int raise=0;
3296 static int lower=0;
3297 static int messed_sign=0;
3298 #endif
3299
3300 if(basis[0][0] == 0)
3301 build_basis(s->dsp.idct_permutation);
3302
3303 qmul= qscale*2;
3304 qadd= (qscale-1)|1;
3305 if (s->mb_intra) {
3306 if (!s->h263_aic) {
3307 if (n < 4)
3308 q = s->y_dc_scale;
3309 else
3310 q = s->c_dc_scale;
3311 } else{
3312 /* For AIC we skip quant/dequant of INTRADC */
3313 q = 1;
3314 qadd=0;
3315 }
3316 q <<= RECON_SHIFT-3;
3317 /* note: block[0] is assumed to be positive */
3318 dc= block[0]*q;
3319 // block[0] = (block[0] + (q >> 1)) / q;
3320 start_i = 1;
3321 // if(s->mpeg_quant || s->out_format == FMT_MPEG1)
3322 // bias= 1<<(QMAT_SHIFT-1);
3323 length = s->intra_ac_vlc_length;
3324 last_length= s->intra_ac_vlc_last_length;
3325 } else {
3326 dc= 0;
3327 start_i = 0;
3328 length = s->inter_ac_vlc_length;
3329 last_length= s->inter_ac_vlc_last_length;
3330 }
3331 last_non_zero = s->block_last_index[n];
3332
3333 #ifdef REFINE_STATS
3334 {START_TIMER
3335 #endif
3336 dc += (1<<(RECON_SHIFT-1));
3337 for(i=0; i<64; i++){
3338 rem[i]= dc - (orig[i]<<RECON_SHIFT); //FIXME use orig dirrectly instead of copying to rem[]
3339 }
3340 #ifdef REFINE_STATS
3341 STOP_TIMER("memset rem[]")}
3342 #endif
3343 sum=0;
3344 for(i=0; i<64; i++){
3345 int one= 36;
3346 int qns=4;
3347 int w;
3348
3349 w= FFABS(weight[i]) + qns*one;
3350 w= 15 + (48*qns*one + w/2)/w; // 16 .. 63
3351
3352 weight[i] = w;
3353 // w=weight[i] = (63*qns + (w/2)) / w;
3354
3355 assert(w>0);
3356 assert(w<(1<<6));
3357 sum += w*w;
3358 }
3359 lambda= sum*(uint64_t)s->lambda2 >> (FF_LAMBDA_SHIFT - 6 + 6 + 6 + 6);
3360 #ifdef REFINE_STATS
3361 {START_TIMER
3362 #endif
3363 run=0;
3364 rle_index=0;
3365 for(i=start_i; i<=last_non_zero; i++){
3366 int j= perm_scantable[i];
3367 const int level= block[j];
3368 int coeff;
3369
3370 if(level){
3371 if(level<0) coeff= qmul*level - qadd;
3372 else coeff= qmul*level + qadd;
3373 run_tab[rle_index++]=run;
3374 run=0;
3375
3376 s->dsp.add_8x8basis(rem, basis[j], coeff);
3377 }else{
3378 run++;
3379 }
3380 }
3381 #ifdef REFINE_STATS
3382 if(last_non_zero>0){
3383 STOP_TIMER("init rem[]")
3384 }
3385 }
3386
3387 {START_TIMER
3388 #endif
3389 for(;;){
3390 int best_score=s->dsp.try_8x8basis(rem, weight, basis[0], 0);
3391 int best_coeff=0;
3392 int best_change=0;
3393 int run2, best_unquant_change=0, analyze_gradient;
3394 #ifdef REFINE_STATS
3395 {START_TIMER
3396 #endif
3397 analyze_gradient = last_non_zero > 2 || s->avctx->quantizer_noise_shaping >= 3;
3398
3399 if(analyze_gradient){
3400 #ifdef REFINE_STATS
3401 {START_TIMER
3402 #endif
3403 for(i=0; i<64; i++){
3404 int w= weight[i];
3405
3406 d1[i] = (rem[i]*w*w + (1<<(RECON_SHIFT+12-1)))>>(RECON_SHIFT+12);
3407 }
3408 #ifdef REFINE_STATS
3409 STOP_TIMER("rem*w*w")}
3410 {START_TIMER
3411 #endif
3412 s->dsp.fdct(d1);
3413 #ifdef REFINE_STATS
3414 STOP_TIMER("dct")}
3415 #endif
3416 }
3417
3418 if(start_i){
3419 const int level= block[0];
3420 int change, old_coeff;
3421
3422 assert(s->mb_intra);
3423
3424 old_coeff= q*level;
3425
3426 for(change=-1; change<=1; change+=2){
3427 int new_level= level + change;
3428 int score, new_coeff;
3429
3430 new_coeff= q*new_level;
3431 if(new_coeff >= 2048 || new_coeff < 0)
3432 continue;
3433
3434 score= s->dsp.try_8x8basis(rem, weight, basis[0], new_coeff - old_coeff);
3435 if(score<best_score){
3436 best_score= score;
3437 best_coeff= 0;
3438 best_change= change;
3439 best_unquant_change= new_coeff - old_coeff;
3440 }
3441 }
3442 }
3443
3444 run=0;
3445 rle_index=0;
3446 run2= run_tab[rle_index++];
3447 prev_level=0;
3448 prev_run=0;
3449
3450 for(i=start_i; i<64; i++){
3451 int j= perm_scantable[i];
3452 const int level= block[j];
3453 int change, old_coeff;
3454
3455 if(s->avctx->quantizer_noise_shaping < 3 && i > last_non_zero + 1)
3456 break;
3457
3458 if(level){
3459 if(level<0) old_coeff= qmul*level - qadd;
3460 else old_coeff= qmul*level + qadd;
3461 run2= run_tab[rle_index++]; //FIXME ! maybe after last
3462 }else{
3463 old_coeff=0;
3464 run2--;
3465 assert(run2>=0 || i >= last_non_zero );
3466 }
3467
3468 for(change=-1; change<=1; change+=2){
3469 int new_level= level + change;
3470 int score, new_coeff, unquant_change;
3471
3472 score=0;
3473 if(s->avctx->quantizer_noise_shaping < 2 && FFABS(new_level) > FFABS(level))
3474 continue;
3475
3476 if(new_level){
3477 if(new_level<0) new_coeff= qmul*new_level - qadd;
3478 else new_coeff= qmul*new_level + qadd;
3479 if(new_coeff >= 2048 || new_coeff <= -2048)
3480 continue;
3481 //FIXME check for overflow
3482
3483 if(level){
3484 if(level < 63 && level > -63){
3485 if(i < last_non_zero)
3486 score += length[UNI_AC_ENC_INDEX(run, new_level+64)]
3487 - length[UNI_AC_ENC_INDEX(run, level+64)];
3488 else
3489 score += last_length[UNI_AC_ENC_INDEX(run, new_level+64)]
3490 - last_length[UNI_AC_ENC_INDEX(run, level+64)];
3491 }
3492 }else{
3493 assert(FFABS(new_level)==1);
3494
3495 if(analyze_gradient){
3496 int g= d1[ scantable[i] ];
3497 if(g && (g^new_level) >= 0)
3498 continue;
3499 }
3500
3501 if(i < last_non_zero){
3502 int next_i= i + run2 + 1;
3503 int next_level= block[ perm_scantable[next_i] ] + 64;
3504
3505 if(next_level&(~127))
3506 next_level= 0;
3507
3508 if(next_i < last_non_zero)
3509 score += length[UNI_AC_ENC_INDEX(run, 65)]
3510 + length[UNI_AC_ENC_INDEX(run2, next_level)]
3511 - length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
3512 else
3513 score += length[UNI_AC_ENC_INDEX(run, 65)]
3514 + last_length[UNI_AC_ENC_INDEX(run2, next_level)]
3515 - last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
3516 }else{
3517 score += last_length[UNI_AC_ENC_INDEX(run, 65)];
3518 if(prev_level){
3519 score += length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
3520 - last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
3521 }
3522 }
3523 }
3524 }else{
3525 new_coeff=0;
3526 assert(FFABS(level)==1);
3527
3528 if(i < last_non_zero){
3529 int next_i= i + run2 + 1;
3530 int next_level= block[ perm_scantable[next_i] ] + 64;
3531
3532 if(next_level&(~127))
3533 next_level= 0;
3534
3535 if(next_i < last_non_zero)
3536 score += length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
3537 - length[UNI_AC_ENC_INDEX(run2, next_level)]
3538 - length[UNI_AC_ENC_INDEX(run, 65)];
3539 else
3540 score += last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
3541 - last_length[UNI_AC_ENC_INDEX(run2, next_level)]
3542 - length[UNI_AC_ENC_INDEX(run, 65)];
3543 }else{
3544 score += -last_length[UNI_AC_ENC_INDEX(run, 65)];
3545 if(prev_level){
3546 score += last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
3547 - length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
3548 }
3549 }
3550 }
3551
3552 score *= lambda;
3553
3554 unquant_change= new_coeff - old_coeff;
3555 assert((score < 100*lambda && score > -100*lambda) || lambda==0);
3556
3557 score+= s->dsp.try_8x8basis(rem, weight, basis[j], unquant_change);
3558 if(score<best_score){
3559 best_score= score;
3560 best_coeff= i;
3561 best_change= change;
3562 best_unquant_change= unquant_change;
3563 }
3564 }
3565 if(level){
3566 prev_level= level + 64;
3567 if(prev_level&(~127))
3568 prev_level= 0;
3569 prev_run= run;
3570 run=0;
3571 }else{
3572 run++;
3573 }
3574 }
3575 #ifdef REFINE_STATS
3576 STOP_TIMER("iterative step")}
3577 #endif
3578
3579 if(best_change){
3580 int j= perm_scantable[ best_coeff ];
3581
3582 block[j] += best_change;
3583
3584 if(best_coeff > last_non_zero){
3585 last_non_zero= best_coeff;
3586 assert(block[j]);
3587 #ifdef REFINE_STATS
3588 after_last++;
3589 #endif
3590 }else{
3591 #ifdef REFINE_STATS
3592 if(block[j]){
3593 if(block[j] - best_change){
3594 if(FFABS(block[j]) > FFABS(block[j] - best_change)){
3595 raise++;
3596 }else{
3597 lower++;
3598 }
3599 }else{
3600 from_zero++;
3601 }
3602 }else{
3603 to_zero++;
3604 }
3605 #endif
3606 for(; last_non_zero>=start_i; last_non_zero--){
3607 if(block[perm_scantable[last_non_zero]])
3608 break;
3609 }
3610 }
3611 #ifdef REFINE_STATS
3612 count++;
3613 if(256*256*256*64 % count == 0){
3614 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);
3615 }
3616 #endif
3617 run=0;
3618 rle_index=0;
3619 for(i=start_i; i<=last_non_zero; i++){
3620 int j= perm_scantable[i];
3621 const int level= block[j];
3622
3623 if(level){
3624 run_tab[rle_index++]=run;
3625 run=0;
3626 }else{
3627 run++;
3628 }
3629 }
3630
3631 s->dsp.add_8x8basis(rem, basis[j], best_unquant_change);
3632 }else{
3633 break;
3634 }
3635 }
3636 #ifdef REFINE_STATS
3637 if(last_non_zero>0){
3638 STOP_TIMER("iterative search")
3639 }
3640 }
3641 #endif
3642
3643 return last_non_zero;
3644 }
3645
3646 int dct_quantize_c(MpegEncContext *s,
3647 DCTELEM *block, int n,
3648 int qscale, int *overflow)
3649 {
3650 int i, j, level, last_non_zero, q, start_i;
3651 const int *qmat;
3652 const uint8_t *scantable= s->intra_scantable.scantable;
3653 int bias;
3654 int max=0;
3655 unsigned int threshold1, threshold2;
3656
3657 s->dsp.fdct (block);
3658
3659 if(s->dct_error_sum)
3660 s->denoise_dct(s, block);
3661
3662 if (s->mb_intra) {
3663 if (!s->h263_aic) {
3664 if (n < 4)
3665 q = s->y_dc_scale;
3666 else
3667 q = s->c_dc_scale;
3668 q = q << 3;
3669 } else
3670 /* For AIC we skip quant/dequant of INTRADC */
3671 q = 1 << 3;
3672
3673 /* note: block[0] is assumed to be positive */
3674 block[0] = (block[0] + (q >> 1)) / q;
3675 start_i = 1;
3676 last_non_zero = 0;
3677 qmat = s->q_intra_matrix[qscale];
3678 bias= s->intra_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT);
3679 } else {
3680 start_i = 0;
3681 last_non_zero = -1;
3682 qmat = s->q_inter_matrix[qscale];
3683 bias= s->inter_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT);
3684 }
3685 threshold1= (1<<QMAT_SHIFT) - bias - 1;
3686 threshold2= (threshold1<<1);
3687 for(i=63;i>=start_i;i--) {
3688 j = scantable[i];
3689 level = block[j] * qmat[j];
3690
3691 if(((unsigned)(level+threshold1))>threshold2){
3692 last_non_zero = i;
3693 break;
3694 }else{
3695 block[j]=0;
3696 }
3697 }
3698 for(i=start_i; i<=last_non_zero; i++) {
3699 j = scantable[i];
3700 level = block[j] * qmat[j];
3701
3702 // if( bias+level >= (1<<QMAT_SHIFT)
3703 // || bias-level >= (1<<QMAT_SHIFT)){
3704 if(((unsigned)(level+threshold1))>threshold2){
3705 if(level>0){
3706 level= (bias + level)>>QMAT_SHIFT;
3707 block[j]= level;
3708 }else{
3709 level= (bias - level)>>QMAT_SHIFT;
3710 block[j]= -level;
3711 }
3712 max |=level;
3713 }else{
3714 block[j]=0;
3715 }
3716 }
3717 *overflow= s->max_qcoeff < max; //overflow might have happened
3718
3719 /* we need this permutation so that we correct the IDCT, we only permute the !=0 elements */
3720 if (s->dsp.idct_permutation_type != FF_NO_IDCT_PERM)
3721 ff_block_permute(block, s->dsp.idct_permutation, scantable, last_non_zero);
3722
3723 return last_non_zero;
3724 }
3725
3726 AVCodec h263_encoder = {
3727 "h263",
3728 CODEC_TYPE_VIDEO,
3729 CODEC_ID_H263,
3730 sizeof(MpegEncContext),
3731 MPV_encode_init,
3732 MPV_encode_picture,
3733 MPV_encode_end,
3734 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
3735 .long_name= NULL_IF_CONFIG_SMALL("H.263 / H.263-1996"),
3736 };
3737
3738 AVCodec h263p_encoder = {
3739 "h263p",
3740 CODEC_TYPE_VIDEO,
3741 CODEC_ID_H263P,
3742 sizeof(MpegEncContext),
3743 MPV_encode_init,
3744 MPV_encode_picture,
3745 MPV_encode_end,
3746 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
3747 .long_name= NULL_IF_CONFIG_SMALL("H.263+ / H.263-1998 / H.263 version 2"),
3748 };
3749
3750 AVCodec flv_encoder = {
3751 "flv",
3752 CODEC_TYPE_VIDEO,
3753 CODEC_ID_FLV1,
3754 sizeof(MpegEncContext),
3755 MPV_encode_init,
3756 MPV_encode_picture,
3757 MPV_encode_end,
3758 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
3759 .long_name= NULL_IF_CONFIG_SMALL("Flash Video (FLV)"),
3760 };
3761
3762 AVCodec rv10_encoder = {
3763 "rv10",
3764 CODEC_TYPE_VIDEO,
3765 CODEC_ID_RV10,
3766 sizeof(MpegEncContext),
3767 MPV_encode_init,
3768 MPV_encode_picture,
3769 MPV_encode_end,
3770 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
3771 .long_name= NULL_IF_CONFIG_SMALL("RealVideo 1.0"),
3772 };
3773
3774 AVCodec rv20_encoder = {
3775 "rv20",
3776 CODEC_TYPE_VIDEO,
3777 CODEC_ID_RV20,
3778 sizeof(MpegEncContext),
3779 MPV_encode_init,
3780 MPV_encode_picture,
3781 MPV_encode_end,
3782 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
3783 .long_name= NULL_IF_CONFIG_SMALL("RealVideo 2.0"),
3784 };
3785
3786 AVCodec mpeg4_encoder = {
3787 "mpeg4",
3788 CODEC_TYPE_VIDEO,
3789 CODEC_ID_MPEG4,
3790 sizeof(MpegEncContext),
3791 MPV_encode_init,
3792 MPV_encode_picture,
3793 MPV_encode_end,
3794 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
3795 .capabilities= CODEC_CAP_DELAY,
3796 .long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2"),
3797 };
3798
3799 AVCodec msmpeg4v1_encoder = {
3800 "msmpeg4v1",
3801 CODEC_TYPE_VIDEO,
3802 CODEC_ID_MSMPEG4V1,
3803 sizeof(MpegEncContext),
3804 MPV_encode_init,
3805 MPV_encode_picture,
3806 MPV_encode_end,
3807 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
3808 .long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 1"),
3809 };
3810
3811 AVCodec msmpeg4v2_encoder = {
3812 "msmpeg4v2",
3813 CODEC_TYPE_VIDEO,
3814 CODEC_ID_MSMPEG4V2,
3815 sizeof(MpegEncContext),
3816 MPV_encode_init,
3817 MPV_encode_picture,
3818 MPV_encode_end,
3819 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
3820 .long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 2"),
3821 };
3822
3823 AVCodec msmpeg4v3_encoder = {
3824 "msmpeg4",
3825 CODEC_TYPE_VIDEO,
3826 CODEC_ID_MSMPEG4V3,
3827 sizeof(MpegEncContext),
3828 MPV_encode_init,
3829 MPV_encode_picture,
3830 MPV_encode_end,
3831 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
3832 .long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 3"),
3833 };
3834
3835 AVCodec wmv1_encoder = {
3836 "wmv1",
3837 CODEC_TYPE_VIDEO,
3838 CODEC_ID_WMV1,
3839 sizeof(MpegEncContext),
3840 MPV_encode_init,
3841 MPV_encode_picture,
3842 MPV_encode_end,
3843 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
3844 .long_name= NULL_IF_CONFIG_SMALL("Windows Media Video 7"),
3845 };
ffmpeg Lagarith lossless decoder