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Add ff_ prefix to data symbols of encoders, decoders, hwaccel, parsers, bsf.
[libav.git] / libavcodec / mpegvideo_enc.c
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
27 * The simplest mpeg encoder (well, it was the simplest!).
28 */
29
30 #include "libavutil/intmath.h"
31 #include "avcodec.h"
32 #include "dsputil.h"
33 #include "mpegvideo.h"
34 #include "mpegvideo_common.h"
35 #include "h263.h"
36 #include "mjpegenc.h"
37 #include "msmpeg4.h"
38 #include "faandct.h"
39 #include "aandcttab.h"
40 #include "flv.h"
41 #include "mpeg4video.h"
42 #include "internal.h"
43 #include <limits.h>
44
45 //#undef NDEBUG
46 //#include <assert.h>
47
48 static int encode_picture(MpegEncContext *s, int picture_number);
49 static int dct_quantize_refine(MpegEncContext *s, DCTELEM *block, int16_t *weight, DCTELEM *orig, int n, int qscale);
50 static int sse_mb(MpegEncContext *s);
51 static void denoise_dct_c(MpegEncContext *s, DCTELEM *block);
52 static int dct_quantize_trellis_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
53
54 /* enable all paranoid tests for rounding, overflows, etc... */
55 //#define PARANOID
56
57 //#define DEBUG
58
59 static uint8_t default_mv_penalty[MAX_FCODE+1][MAX_MV*2+1];
60 static uint8_t default_fcode_tab[MAX_MV*2+1];
61
62 void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64],
63 const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra)
64 {
65 int qscale;
66 int shift=0;
67
68 for(qscale=qmin; qscale<=qmax; qscale++){
69 int i;
70 if (dsp->fdct == ff_jpeg_fdct_islow
71 #ifdef FAAN_POSTSCALE
72 || dsp->fdct == ff_faandct
73 #endif
74 ) {
75 for(i=0;i<64;i++) {
76 const int j= dsp->idct_permutation[i];
77 /* 16 <= qscale * quant_matrix[i] <= 7905 */
78 /* 19952 <= ff_aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
79 /* (1 << 36) / 19952 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= (1 << 36) / 249205026 */
80 /* 3444240 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= 275 */
81
82 qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) /
83 (qscale * quant_matrix[j]));
84 }
85 } else if (dsp->fdct == fdct_ifast
86 #ifndef FAAN_POSTSCALE
87 || dsp->fdct == ff_faandct
88 #endif
89 ) {
90 for(i=0;i<64;i++) {
91 const int j= dsp->idct_permutation[i];
92 /* 16 <= qscale * quant_matrix[i] <= 7905 */
93 /* 19952 <= ff_aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
94 /* (1 << 36) / 19952 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
95 /* 3444240 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= 275 */
96
97 qmat[qscale][i] = (int)((UINT64_C(1) << (QMAT_SHIFT + 14)) /
98 (ff_aanscales[i] * qscale * quant_matrix[j]));
99 }
100 } else {
101 for(i=0;i<64;i++) {
102 const int j= dsp->idct_permutation[i];
103 /* We can safely suppose that 16 <= quant_matrix[i] <= 255
104 So 16 <= qscale * quant_matrix[i] <= 7905
105 so (1<<19) / 16 >= (1<<19) / (qscale * quant_matrix[i]) >= (1<<19) / 7905
106 so 32768 >= (1<<19) / (qscale * quant_matrix[i]) >= 67
107 */
108 qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) / (qscale * quant_matrix[j]));
109 // qmat [qscale][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[i]);
110 qmat16[qscale][0][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[j]);
111
112 if(qmat16[qscale][0][i]==0 || qmat16[qscale][0][i]==128*256) qmat16[qscale][0][i]=128*256-1;
113 qmat16[qscale][1][i]= ROUNDED_DIV(bias<<(16-QUANT_BIAS_SHIFT), qmat16[qscale][0][i]);
114 }
115 }
116
117 for(i=intra; i<64; i++){
118 int64_t max= 8191;
119 if (dsp->fdct == fdct_ifast
120 #ifndef FAAN_POSTSCALE
121 || dsp->fdct == ff_faandct
122 #endif
123 ) {
124 max = (8191LL*ff_aanscales[i]) >> 14;
125 }
126 while(((max * qmat[qscale][i]) >> shift) > INT_MAX){
127 shift++;
128 }
129 }
130 }
131 if(shift){
132 av_log(NULL, AV_LOG_INFO, "Warning, QMAT_SHIFT is larger than %d, overflows possible\n", QMAT_SHIFT - shift);
133 }
134 }
135
136 static inline void update_qscale(MpegEncContext *s){
137 s->qscale= (s->lambda*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
138 s->qscale= av_clip(s->qscale, s->avctx->qmin, s->avctx->qmax);
139
140 s->lambda2= (s->lambda*s->lambda + FF_LAMBDA_SCALE/2) >> FF_LAMBDA_SHIFT;
141 }
142
143 void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix){
144 int i;
145
146 if(matrix){
147 put_bits(pb, 1, 1);
148 for(i=0;i<64;i++) {
149 put_bits(pb, 8, matrix[ ff_zigzag_direct[i] ]);
150 }
151 }else
152 put_bits(pb, 1, 0);
153 }
154
155 /**
156 * init s->current_picture.qscale_table from s->lambda_table
157 */
158 void ff_init_qscale_tab(MpegEncContext *s){
159 int8_t * const qscale_table= s->current_picture.qscale_table;
160 int i;
161
162 for(i=0; i<s->mb_num; i++){
163 unsigned int lam= s->lambda_table[ s->mb_index2xy[i] ];
164 int qp= (lam*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
165 qscale_table[ s->mb_index2xy[i] ]= av_clip(qp, s->avctx->qmin, s->avctx->qmax);
166 }
167 }
168
169 static void copy_picture_attributes(MpegEncContext *s, AVFrame *dst, AVFrame *src){
170 int i;
171
172 dst->pict_type = src->pict_type;
173 dst->quality = src->quality;
174 dst->coded_picture_number = src->coded_picture_number;
175 dst->display_picture_number = src->display_picture_number;
176 // dst->reference = src->reference;
177 dst->pts = src->pts;
178 dst->interlaced_frame = src->interlaced_frame;
179 dst->top_field_first = src->top_field_first;
180
181 if(s->avctx->me_threshold){
182 if(!src->motion_val[0])
183 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_val not set!\n");
184 if(!src->mb_type)
185 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.mb_type not set!\n");
186 if(!src->ref_index[0])
187 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.ref_index not set!\n");
188 if(src->motion_subsample_log2 != dst->motion_subsample_log2)
189 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_subsample_log2 doesn't match! (%d!=%d)\n",
190 src->motion_subsample_log2, dst->motion_subsample_log2);
191
192 memcpy(dst->mb_type, src->mb_type, s->mb_stride * s->mb_height * sizeof(dst->mb_type[0]));
193
194 for(i=0; i<2; i++){
195 int stride= ((16*s->mb_width )>>src->motion_subsample_log2) + 1;
196 int height= ((16*s->mb_height)>>src->motion_subsample_log2);
197
198 if(src->motion_val[i] && src->motion_val[i] != dst->motion_val[i]){
199 memcpy(dst->motion_val[i], src->motion_val[i], 2*stride*height*sizeof(int16_t));
200 }
201 if(src->ref_index[i] && src->ref_index[i] != dst->ref_index[i]){
202 memcpy(dst->ref_index[i], src->ref_index[i], s->mb_stride*4*s->mb_height*sizeof(int8_t));
203 }
204 }
205 }
206 }
207
208 static void update_duplicate_context_after_me(MpegEncContext *dst, MpegEncContext *src){
209 #define COPY(a) dst->a= src->a
210 COPY(pict_type);
211 COPY(current_picture);
212 COPY(f_code);
213 COPY(b_code);
214 COPY(qscale);
215 COPY(lambda);
216 COPY(lambda2);
217 COPY(picture_in_gop_number);
218 COPY(gop_picture_number);
219 COPY(frame_pred_frame_dct); //FIXME don't set in encode_header
220 COPY(progressive_frame); //FIXME don't set in encode_header
221 COPY(partitioned_frame); //FIXME don't set in encode_header
222 #undef COPY
223 }
224
225 /**
226 * sets the given MpegEncContext to defaults for encoding.
227 * the changed fields will not depend upon the prior state of the MpegEncContext.
228 */
229 static void MPV_encode_defaults(MpegEncContext *s){
230 int i;
231 MPV_common_defaults(s);
232
233 for(i=-16; i<16; i++){
234 default_fcode_tab[i + MAX_MV]= 1;
235 }
236 s->me.mv_penalty= default_mv_penalty;
237 s->fcode_tab= default_fcode_tab;
238 }
239
240 /* init video encoder */
241 av_cold int MPV_encode_init(AVCodecContext *avctx)
242 {
243 MpegEncContext *s = avctx->priv_data;
244 int i;
245 int chroma_h_shift, chroma_v_shift;
246
247 MPV_encode_defaults(s);
248
249 switch (avctx->codec_id) {
250 case CODEC_ID_MPEG2VIDEO:
251 if(avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P){
252 av_log(avctx, AV_LOG_ERROR, "only YUV420 and YUV422 are supported\n");
253 return -1;
254 }
255 break;
256 case CODEC_ID_LJPEG:
257 if(avctx->pix_fmt != PIX_FMT_YUVJ420P && avctx->pix_fmt != PIX_FMT_YUVJ422P && avctx->pix_fmt != PIX_FMT_YUVJ444P && avctx->pix_fmt != PIX_FMT_BGRA &&
258 ((avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P && avctx->pix_fmt != PIX_FMT_YUV444P) || avctx->strict_std_compliance>FF_COMPLIANCE_UNOFFICIAL)){
259 av_log(avctx, AV_LOG_ERROR, "colorspace not supported in LJPEG\n");
260 return -1;
261 }
262 break;
263 case CODEC_ID_MJPEG:
264 if(avctx->pix_fmt != PIX_FMT_YUVJ420P && avctx->pix_fmt != PIX_FMT_YUVJ422P &&
265 ((avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P) || avctx->strict_std_compliance>FF_COMPLIANCE_UNOFFICIAL)){
266 av_log(avctx, AV_LOG_ERROR, "colorspace not supported in jpeg\n");
267 return -1;
268 }
269 break;
270 default:
271 if(avctx->pix_fmt != PIX_FMT_YUV420P){
272 av_log(avctx, AV_LOG_ERROR, "only YUV420 is supported\n");
273 return -1;
274 }
275 }
276
277 switch (avctx->pix_fmt) {
278 case PIX_FMT_YUVJ422P:
279 case PIX_FMT_YUV422P:
280 s->chroma_format = CHROMA_422;
281 break;
282 case PIX_FMT_YUVJ420P:
283 case PIX_FMT_YUV420P:
284 default:
285 s->chroma_format = CHROMA_420;
286 break;
287 }
288
289 s->bit_rate = avctx->bit_rate;
290 s->width = avctx->width;
291 s->height = avctx->height;
292 if(avctx->gop_size > 600 && avctx->strict_std_compliance>FF_COMPLIANCE_EXPERIMENTAL){
293 av_log(avctx, AV_LOG_ERROR, "Warning keyframe interval too large! reducing it ...\n");
294 avctx->gop_size=600;
295 }
296 s->gop_size = avctx->gop_size;
297 s->avctx = avctx;
298 s->flags= avctx->flags;
299 s->flags2= avctx->flags2;
300 s->max_b_frames= avctx->max_b_frames;
301 s->codec_id= avctx->codec->id;
302 s->luma_elim_threshold = avctx->luma_elim_threshold;
303 s->chroma_elim_threshold= avctx->chroma_elim_threshold;
304 s->strict_std_compliance= avctx->strict_std_compliance;
305 s->data_partitioning= avctx->flags & CODEC_FLAG_PART;
306 s->quarter_sample= (avctx->flags & CODEC_FLAG_QPEL)!=0;
307 s->mpeg_quant= avctx->mpeg_quant;
308 s->rtp_mode= !!avctx->rtp_payload_size;
309 s->intra_dc_precision= avctx->intra_dc_precision;
310 s->user_specified_pts = AV_NOPTS_VALUE;
311
312 if (s->gop_size <= 1) {
313 s->intra_only = 1;
314 s->gop_size = 12;
315 } else {
316 s->intra_only = 0;
317 }
318
319 s->me_method = avctx->me_method;
320
321 /* Fixed QSCALE */
322 s->fixed_qscale = !!(avctx->flags & CODEC_FLAG_QSCALE);
323
324 s->adaptive_quant= ( s->avctx->lumi_masking
325 || s->avctx->dark_masking
326 || s->avctx->temporal_cplx_masking
327 || s->avctx->spatial_cplx_masking
328 || s->avctx->p_masking
329 || s->avctx->border_masking
330 || (s->flags&CODEC_FLAG_QP_RD))
331 && !s->fixed_qscale;
332
333 s->obmc= !!(s->flags & CODEC_FLAG_OBMC);
334 s->loop_filter= !!(s->flags & CODEC_FLAG_LOOP_FILTER);
335 s->alternate_scan= !!(s->flags & CODEC_FLAG_ALT_SCAN);
336 s->intra_vlc_format= !!(s->flags2 & CODEC_FLAG2_INTRA_VLC);
337 s->q_scale_type= !!(s->flags2 & CODEC_FLAG2_NON_LINEAR_QUANT);
338
339 if(avctx->rc_max_rate && !avctx->rc_buffer_size){
340 av_log(avctx, AV_LOG_ERROR, "a vbv buffer size is needed, for encoding with a maximum bitrate\n");
341 return -1;
342 }
343
344 if(avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate){
345 av_log(avctx, AV_LOG_INFO, "Warning min_rate > 0 but min_rate != max_rate isn't recommended!\n");
346 }
347
348 if(avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate){
349 av_log(avctx, AV_LOG_ERROR, "bitrate below min bitrate\n");
350 return -1;
351 }
352
353 if(avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate){
354 av_log(avctx, AV_LOG_INFO, "bitrate above max bitrate\n");
355 return -1;
356 }
357
358 if(avctx->rc_max_rate && avctx->rc_max_rate == avctx->bit_rate && avctx->rc_max_rate != avctx->rc_min_rate){
359 av_log(avctx, AV_LOG_INFO, "impossible bitrate constraints, this will fail\n");
360 }
361
362 if(avctx->rc_buffer_size && avctx->bit_rate*(int64_t)avctx->time_base.num > avctx->rc_buffer_size * (int64_t)avctx->time_base.den){
363 av_log(avctx, AV_LOG_ERROR, "VBV buffer too small for bitrate\n");
364 return -1;
365 }
366
367 if(!s->fixed_qscale && avctx->bit_rate*av_q2d(avctx->time_base) > avctx->bit_rate_tolerance){
368 av_log(avctx, AV_LOG_ERROR, "bitrate tolerance too small for bitrate\n");
369 return -1;
370 }
371
372 if( s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate
373 && (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO)
374 && 90000LL * (avctx->rc_buffer_size-1) > s->avctx->rc_max_rate*0xFFFFLL){
375
376 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");
377 }
378
379 if((s->flags & CODEC_FLAG_4MV) && s->codec_id != CODEC_ID_MPEG4
380 && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P && s->codec_id != CODEC_ID_FLV1){
381 av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n");
382 return -1;
383 }
384
385 if(s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE){
386 av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with simple mb decision\n");
387 return -1;
388 }
389
390 if(s->obmc && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P){
391 av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with H263(+)\n");
392 return -1;
393 }
394
395 if(s->quarter_sample && s->codec_id != CODEC_ID_MPEG4){
396 av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n");
397 return -1;
398 }
399
400 if(s->data_partitioning && s->codec_id != CODEC_ID_MPEG4){
401 av_log(avctx, AV_LOG_ERROR, "data partitioning not supported by codec\n");
402 return -1;
403 }
404
405 if(s->max_b_frames && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO){
406 av_log(avctx, AV_LOG_ERROR, "b frames not supported by codec\n");
407 return -1;
408 }
409
410 if ((s->codec_id == CODEC_ID_MPEG4 || s->codec_id == CODEC_ID_H263 ||
411 s->codec_id == CODEC_ID_H263P) &&
412 (avctx->sample_aspect_ratio.num > 255 || avctx->sample_aspect_ratio.den > 255)) {
413 av_log(avctx, AV_LOG_ERROR, "Invalid pixel aspect ratio %i/%i, limit is 255/255\n",
414 avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den);
415 return -1;
416 }
417
418 if((s->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN))
419 && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG2VIDEO){
420 av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n");
421 return -1;
422 }
423
424 if(s->mpeg_quant && s->codec_id != CODEC_ID_MPEG4){ //FIXME mpeg2 uses that too
425 av_log(avctx, AV_LOG_ERROR, "mpeg2 style quantization not supported by codec\n");
426 return -1;
427 }
428
429 if((s->flags & CODEC_FLAG_CBP_RD) && !avctx->trellis){
430 av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n");
431 return -1;
432 }
433
434 if((s->flags & CODEC_FLAG_QP_RD) && s->avctx->mb_decision != FF_MB_DECISION_RD){
435 av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n");
436 return -1;
437 }
438
439 if(s->avctx->scenechange_threshold < 1000000000 && (s->flags & CODEC_FLAG_CLOSED_GOP)){
440 av_log(avctx, AV_LOG_ERROR, "closed gop with scene change detection are not supported yet, set threshold to 1000000000\n");
441 return -1;
442 }
443
444 if((s->flags2 & CODEC_FLAG2_INTRA_VLC) && s->codec_id != CODEC_ID_MPEG2VIDEO){
445 av_log(avctx, AV_LOG_ERROR, "intra vlc table not supported by codec\n");
446 return -1;
447 }
448
449 if(s->flags & CODEC_FLAG_LOW_DELAY){
450 if (s->codec_id != CODEC_ID_MPEG2VIDEO){
451 av_log(avctx, AV_LOG_ERROR, "low delay forcing is only available for mpeg2\n");
452 return -1;
453 }
454 if (s->max_b_frames != 0){
455 av_log(avctx, AV_LOG_ERROR, "b frames cannot be used with low delay\n");
456 return -1;
457 }
458 }
459
460 if(s->q_scale_type == 1){
461 if(s->codec_id != CODEC_ID_MPEG2VIDEO){
462 av_log(avctx, AV_LOG_ERROR, "non linear quant is only available for mpeg2\n");
463 return -1;
464 }
465 if(avctx->qmax > 12){
466 av_log(avctx, AV_LOG_ERROR, "non linear quant only supports qmax <= 12 currently\n");
467 return -1;
468 }
469 }
470
471 if(s->avctx->thread_count > 1 && s->codec_id != CODEC_ID_MPEG4
472 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO
473 && (s->codec_id != CODEC_ID_H263P || !(s->flags & CODEC_FLAG_H263P_SLICE_STRUCT))){
474 av_log(avctx, AV_LOG_ERROR, "multi threaded encoding not supported by codec\n");
475 return -1;
476 }
477
478 if(s->avctx->thread_count < 1){
479 av_log(avctx, AV_LOG_ERROR, "automatic thread number detection not supported by codec, patch welcome\n");
480 return -1;
481 }
482
483 if(s->avctx->thread_count > 1)
484 s->rtp_mode= 1;
485
486 if(!avctx->time_base.den || !avctx->time_base.num){
487 av_log(avctx, AV_LOG_ERROR, "framerate not set\n");
488 return -1;
489 }
490
491 i= (INT_MAX/2+128)>>8;
492 if(avctx->me_threshold >= i){
493 av_log(avctx, AV_LOG_ERROR, "me_threshold too large, max is %d\n", i - 1);
494 return -1;
495 }
496 if(avctx->mb_threshold >= i){
497 av_log(avctx, AV_LOG_ERROR, "mb_threshold too large, max is %d\n", i - 1);
498 return -1;
499 }
500
501 if(avctx->b_frame_strategy && (avctx->flags&CODEC_FLAG_PASS2)){
502 av_log(avctx, AV_LOG_INFO, "notice: b_frame_strategy only affects the first pass\n");
503 avctx->b_frame_strategy = 0;
504 }
505
506 i= av_gcd(avctx->time_base.den, avctx->time_base.num);
507 if(i > 1){
508 av_log(avctx, AV_LOG_INFO, "removing common factors from framerate\n");
509 avctx->time_base.den /= i;
510 avctx->time_base.num /= i;
511 // return -1;
512 }
513
514 if(s->mpeg_quant || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO || s->codec_id==CODEC_ID_MJPEG){
515 s->intra_quant_bias= 3<<(QUANT_BIAS_SHIFT-3); //(a + x*3/8)/x
516 s->inter_quant_bias= 0;
517 }else{
518 s->intra_quant_bias=0;
519 s->inter_quant_bias=-(1<<(QUANT_BIAS_SHIFT-2)); //(a - x/4)/x
520 }
521
522 if(avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS)
523 s->intra_quant_bias= avctx->intra_quant_bias;
524 if(avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS)
525 s->inter_quant_bias= avctx->inter_quant_bias;
526
527 avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift);
528
529 if(avctx->codec_id == CODEC_ID_MPEG4 && s->avctx->time_base.den > (1<<16)-1){
530 av_log(avctx, AV_LOG_ERROR, "timebase %d/%d not supported by MPEG 4 standard, "
531 "the maximum admitted value for the timebase denominator is %d\n",
532 s->avctx->time_base.num, s->avctx->time_base.den, (1<<16)-1);
533 return -1;
534 }
535 s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1;
536
537 switch(avctx->codec->id) {
538 case CODEC_ID_MPEG1VIDEO:
539 s->out_format = FMT_MPEG1;
540 s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY);
541 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
542 break;
543 case CODEC_ID_MPEG2VIDEO:
544 s->out_format = FMT_MPEG1;
545 s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY);
546 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
547 s->rtp_mode= 1;
548 break;
549 case CODEC_ID_LJPEG:
550 case CODEC_ID_MJPEG:
551 s->out_format = FMT_MJPEG;
552 s->intra_only = 1; /* force intra only for jpeg */
553 if(avctx->codec->id == CODEC_ID_LJPEG && avctx->pix_fmt == PIX_FMT_BGRA){
554 s->mjpeg_vsample[0] = s->mjpeg_hsample[0] =
555 s->mjpeg_vsample[1] = s->mjpeg_hsample[1] =
556 s->mjpeg_vsample[2] = s->mjpeg_hsample[2] = 1;
557 }else{
558 s->mjpeg_vsample[0] = 2;
559 s->mjpeg_vsample[1] = 2>>chroma_v_shift;
560 s->mjpeg_vsample[2] = 2>>chroma_v_shift;
561 s->mjpeg_hsample[0] = 2;
562 s->mjpeg_hsample[1] = 2>>chroma_h_shift;
563 s->mjpeg_hsample[2] = 2>>chroma_h_shift;
564 }
565 if (!(CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER)
566 || ff_mjpeg_encode_init(s) < 0)
567 return -1;
568 avctx->delay=0;
569 s->low_delay=1;
570 break;
571 case CODEC_ID_H261:
572 if (!CONFIG_H261_ENCODER) return -1;
573 if (ff_h261_get_picture_format(s->width, s->height) < 0) {
574 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);
575 return -1;
576 }
577 s->out_format = FMT_H261;
578 avctx->delay=0;
579 s->low_delay=1;
580 break;
581 case CODEC_ID_H263:
582 if (!CONFIG_H263_ENCODER) return -1;
583 if (ff_match_2uint16(h263_format, FF_ARRAY_ELEMS(h263_format), s->width, s->height) == 8) {
584 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);
585 return -1;
586 }
587 s->out_format = FMT_H263;
588 s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
589 avctx->delay=0;
590 s->low_delay=1;
591 break;
592 case CODEC_ID_H263P:
593 s->out_format = FMT_H263;
594 s->h263_plus = 1;
595 /* Fx */
596 s->umvplus = (avctx->flags & CODEC_FLAG_H263P_UMV) ? 1:0;
597 s->h263_aic= (avctx->flags & CODEC_FLAG_AC_PRED) ? 1:0;
598 s->modified_quant= s->h263_aic;
599 s->alt_inter_vlc= (avctx->flags & CODEC_FLAG_H263P_AIV) ? 1:0;
600 s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
601 s->loop_filter= (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1:0;
602 s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
603 s->h263_slice_structured= (s->flags & CODEC_FLAG_H263P_SLICE_STRUCT) ? 1:0;
604
605 /* /Fx */
606 /* These are just to be sure */
607 avctx->delay=0;
608 s->low_delay=1;
609 break;
610 case CODEC_ID_FLV1:
611 s->out_format = FMT_H263;
612 s->h263_flv = 2; /* format = 1; 11-bit codes */
613 s->unrestricted_mv = 1;
614 s->rtp_mode=0; /* don't allow GOB */
615 avctx->delay=0;
616 s->low_delay=1;
617 break;
618 case CODEC_ID_RV10:
619 s->out_format = FMT_H263;
620 avctx->delay=0;
621 s->low_delay=1;
622 break;
623 case CODEC_ID_RV20:
624 s->out_format = FMT_H263;
625 avctx->delay=0;
626 s->low_delay=1;
627 s->modified_quant=1;
628 s->h263_aic=1;
629 s->h263_plus=1;
630 s->loop_filter=1;
631 s->unrestricted_mv= 0;
632 break;
633 case CODEC_ID_MPEG4:
634 s->out_format = FMT_H263;
635 s->h263_pred = 1;
636 s->unrestricted_mv = 1;
637 s->low_delay= s->max_b_frames ? 0 : 1;
638 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
639 break;
640 case CODEC_ID_MSMPEG4V1:
641 s->out_format = FMT_H263;
642 s->h263_msmpeg4 = 1;
643 s->h263_pred = 1;
644 s->unrestricted_mv = 1;
645 s->msmpeg4_version= 1;
646 avctx->delay=0;
647 s->low_delay=1;
648 break;
649 case CODEC_ID_MSMPEG4V2:
650 s->out_format = FMT_H263;
651 s->h263_msmpeg4 = 1;
652 s->h263_pred = 1;
653 s->unrestricted_mv = 1;
654 s->msmpeg4_version= 2;
655 avctx->delay=0;
656 s->low_delay=1;
657 break;
658 case CODEC_ID_MSMPEG4V3:
659 s->out_format = FMT_H263;
660 s->h263_msmpeg4 = 1;
661 s->h263_pred = 1;
662 s->unrestricted_mv = 1;
663 s->msmpeg4_version= 3;
664 s->flipflop_rounding=1;
665 avctx->delay=0;
666 s->low_delay=1;
667 break;
668 case CODEC_ID_WMV1:
669 s->out_format = FMT_H263;
670 s->h263_msmpeg4 = 1;
671 s->h263_pred = 1;
672 s->unrestricted_mv = 1;
673 s->msmpeg4_version= 4;
674 s->flipflop_rounding=1;
675 avctx->delay=0;
676 s->low_delay=1;
677 break;
678 case CODEC_ID_WMV2:
679 s->out_format = FMT_H263;
680 s->h263_msmpeg4 = 1;
681 s->h263_pred = 1;
682 s->unrestricted_mv = 1;
683 s->msmpeg4_version= 5;
684 s->flipflop_rounding=1;
685 avctx->delay=0;
686 s->low_delay=1;
687 break;
688 default:
689 return -1;
690 }
691
692 avctx->has_b_frames= !s->low_delay;
693
694 s->encoding = 1;
695
696 s->progressive_frame=
697 s->progressive_sequence= !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN));
698
699 /* init */
700 if (MPV_common_init(s) < 0)
701 return -1;
702
703 if(!s->dct_quantize)
704 s->dct_quantize = dct_quantize_c;
705 if(!s->denoise_dct)
706 s->denoise_dct = denoise_dct_c;
707 s->fast_dct_quantize = s->dct_quantize;
708 if(avctx->trellis)
709 s->dct_quantize = dct_quantize_trellis_c;
710
711 if((CONFIG_H263P_ENCODER || CONFIG_RV20_ENCODER) && s->modified_quant)
712 s->chroma_qscale_table= ff_h263_chroma_qscale_table;
713
714 s->quant_precision=5;
715
716 ff_set_cmp(&s->dsp, s->dsp.ildct_cmp, s->avctx->ildct_cmp);
717 ff_set_cmp(&s->dsp, s->dsp.frame_skip_cmp, s->avctx->frame_skip_cmp);
718
719 if (CONFIG_H261_ENCODER && s->out_format == FMT_H261)
720 ff_h261_encode_init(s);
721 if (CONFIG_H263_ENCODER && s->out_format == FMT_H263)
722 h263_encode_init(s);
723 if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version)
724 ff_msmpeg4_encode_init(s);
725 if ((CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
726 && s->out_format == FMT_MPEG1)
727 ff_mpeg1_encode_init(s);
728
729 /* init q matrix */
730 for(i=0;i<64;i++) {
731 int j= s->dsp.idct_permutation[i];
732 if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->mpeg_quant){
733 s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i];
734 s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i];
735 }else if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
736 s->intra_matrix[j] =
737 s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
738 }else
739 { /* mpeg1/2 */
740 s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i];
741 s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
742 }
743 if(s->avctx->intra_matrix)
744 s->intra_matrix[j] = s->avctx->intra_matrix[i];
745 if(s->avctx->inter_matrix)
746 s->inter_matrix[j] = s->avctx->inter_matrix[i];
747 }
748
749 /* precompute matrix */
750 /* for mjpeg, we do include qscale in the matrix */
751 if (s->out_format != FMT_MJPEG) {
752 ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
753 s->intra_matrix, s->intra_quant_bias, avctx->qmin, 31, 1);
754 ff_convert_matrix(&s->dsp, s->q_inter_matrix, s->q_inter_matrix16,
755 s->inter_matrix, s->inter_quant_bias, avctx->qmin, 31, 0);
756 }
757
758 if(ff_rate_control_init(s) < 0)
759 return -1;
760
761 return 0;
762 }
763
764 av_cold int MPV_encode_end(AVCodecContext *avctx)
765 {
766 MpegEncContext *s = avctx->priv_data;
767
768 ff_rate_control_uninit(s);
769
770 MPV_common_end(s);
771 if ((CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER) && s->out_format == FMT_MJPEG)
772 ff_mjpeg_encode_close(s);
773
774 av_freep(&avctx->extradata);
775
776 return 0;
777 }
778
779 static int get_sae(uint8_t *src, int ref, int stride){
780 int x,y;
781 int acc=0;
782
783 for(y=0; y<16; y++){
784 for(x=0; x<16; x++){
785 acc+= FFABS(src[x+y*stride] - ref);
786 }
787 }
788
789 return acc;
790 }
791
792 static int get_intra_count(MpegEncContext *s, uint8_t *src, uint8_t *ref, int stride){
793 int x, y, w, h;
794 int acc=0;
795
796 w= s->width &~15;
797 h= s->height&~15;
798
799 for(y=0; y<h; y+=16){
800 for(x=0; x<w; x+=16){
801 int offset= x + y*stride;
802 int sad = s->dsp.sad[0](NULL, src + offset, ref + offset, stride, 16);
803 int mean= (s->dsp.pix_sum(src + offset, stride) + 128)>>8;
804 int sae = get_sae(src + offset, mean, stride);
805
806 acc+= sae + 500 < sad;
807 }
808 }
809 return acc;
810 }
811
812
813 static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg){
814 AVFrame *pic=NULL;
815 int64_t pts;
816 int i;
817 const int encoding_delay= s->max_b_frames;
818 int direct=1;
819
820 if(pic_arg){
821 pts= pic_arg->pts;
822 pic_arg->display_picture_number= s->input_picture_number++;
823
824 if(pts != AV_NOPTS_VALUE){
825 if(s->user_specified_pts != AV_NOPTS_VALUE){
826 int64_t time= pts;
827 int64_t last= s->user_specified_pts;
828
829 if(time <= last){
830 av_log(s->avctx, AV_LOG_ERROR, "Error, Invalid timestamp=%"PRId64", last=%"PRId64"\n", pts, s->user_specified_pts);
831 return -1;
832 }
833 }
834 s->user_specified_pts= pts;
835 }else{
836 if(s->user_specified_pts != AV_NOPTS_VALUE){
837 s->user_specified_pts=
838 pts= s->user_specified_pts + 1;
839 av_log(s->avctx, AV_LOG_INFO, "Warning: AVFrame.pts=? trying to guess (%"PRId64")\n", pts);
840 }else{
841 pts= pic_arg->display_picture_number;
842 }
843 }
844 }
845
846 if(pic_arg){
847 if(encoding_delay && !(s->flags&CODEC_FLAG_INPUT_PRESERVED)) direct=0;
848 if(pic_arg->linesize[0] != s->linesize) direct=0;
849 if(pic_arg->linesize[1] != s->uvlinesize) direct=0;
850 if(pic_arg->linesize[2] != s->uvlinesize) direct=0;
851
852 // av_log(AV_LOG_DEBUG, "%d %d %d %d\n",pic_arg->linesize[0], pic_arg->linesize[1], s->linesize, s->uvlinesize);
853
854 if(direct){
855 i= ff_find_unused_picture(s, 1);
856
857 pic= (AVFrame*)&s->picture[i];
858 pic->reference= 3;
859
860 for(i=0; i<4; i++){
861 pic->data[i]= pic_arg->data[i];
862 pic->linesize[i]= pic_arg->linesize[i];
863 }
864 if(ff_alloc_picture(s, (Picture*)pic, 1) < 0){
865 return -1;
866 }
867 }else{
868 i= ff_find_unused_picture(s, 0);
869
870 pic= (AVFrame*)&s->picture[i];
871 pic->reference= 3;
872
873 if(ff_alloc_picture(s, (Picture*)pic, 0) < 0){
874 return -1;
875 }
876
877 if( pic->data[0] + INPLACE_OFFSET == pic_arg->data[0]
878 && pic->data[1] + INPLACE_OFFSET == pic_arg->data[1]
879 && pic->data[2] + INPLACE_OFFSET == pic_arg->data[2]){
880 // empty
881 }else{
882 int h_chroma_shift, v_chroma_shift;
883 avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift);
884
885 for(i=0; i<3; i++){
886 int src_stride= pic_arg->linesize[i];
887 int dst_stride= i ? s->uvlinesize : s->linesize;
888 int h_shift= i ? h_chroma_shift : 0;
889 int v_shift= i ? v_chroma_shift : 0;
890 int w= s->width >>h_shift;
891 int h= s->height>>v_shift;
892 uint8_t *src= pic_arg->data[i];
893 uint8_t *dst= pic->data[i];
894
895 if(!s->avctx->rc_buffer_size)
896 dst +=INPLACE_OFFSET;
897
898 if(src_stride==dst_stride)
899 memcpy(dst, src, src_stride*h);
900 else{
901 while(h--){
902 memcpy(dst, src, w);
903 dst += dst_stride;
904 src += src_stride;
905 }
906 }
907 }
908 }
909 }
910 copy_picture_attributes(s, pic, pic_arg);
911 pic->pts= pts; //we set this here to avoid modifiying pic_arg
912 }
913
914 /* shift buffer entries */
915 for(i=1; i<MAX_PICTURE_COUNT /*s->encoding_delay+1*/; i++)
916 s->input_picture[i-1]= s->input_picture[i];
917
918 s->input_picture[encoding_delay]= (Picture*)pic;
919
920 return 0;
921 }
922
923 static int skip_check(MpegEncContext *s, Picture *p, Picture *ref){
924 int x, y, plane;
925 int score=0;
926 int64_t score64=0;
927
928 for(plane=0; plane<3; plane++){
929 const int stride= p->linesize[plane];
930 const int bw= plane ? 1 : 2;
931 for(y=0; y<s->mb_height*bw; y++){
932 for(x=0; x<s->mb_width*bw; x++){
933 int off= p->type == FF_BUFFER_TYPE_SHARED ? 0: 16;
934 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);
935
936 switch(s->avctx->frame_skip_exp){
937 case 0: score= FFMAX(score, v); break;
938 case 1: score+= FFABS(v);break;
939 case 2: score+= v*v;break;
940 case 3: score64+= FFABS(v*v*(int64_t)v);break;
941 case 4: score64+= v*v*(int64_t)(v*v);break;
942 }
943 }
944 }
945 }
946
947 if(score) score64= score;
948
949 if(score64 < s->avctx->frame_skip_threshold)
950 return 1;
951 if(score64 < ((s->avctx->frame_skip_factor * (int64_t)s->lambda)>>8))
952 return 1;
953 return 0;
954 }
955
956 static int estimate_best_b_count(MpegEncContext *s){
957 AVCodec *codec= avcodec_find_encoder(s->avctx->codec_id);
958 AVCodecContext *c= avcodec_alloc_context();
959 AVFrame input[FF_MAX_B_FRAMES+2];
960 const int scale= s->avctx->brd_scale;
961 int i, j, out_size, p_lambda, b_lambda, lambda2;
962 int outbuf_size= s->width * s->height; //FIXME
963 uint8_t *outbuf= av_malloc(outbuf_size);
964 int64_t best_rd= INT64_MAX;
965 int best_b_count= -1;
966
967 assert(scale>=0 && scale <=3);
968
969 // emms_c();
970 p_lambda= s->last_lambda_for[FF_P_TYPE]; //s->next_picture_ptr->quality;
971 b_lambda= s->last_lambda_for[FF_B_TYPE]; //p_lambda *FFABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset;
972 if(!b_lambda) b_lambda= p_lambda; //FIXME we should do this somewhere else
973 lambda2= (b_lambda*b_lambda + (1<<FF_LAMBDA_SHIFT)/2 ) >> FF_LAMBDA_SHIFT;
974
975 c->width = s->width >> scale;
976 c->height= s->height>> scale;
977 c->flags= CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR | CODEC_FLAG_INPUT_PRESERVED /*| CODEC_FLAG_EMU_EDGE*/;
978 c->flags|= s->avctx->flags & CODEC_FLAG_QPEL;
979 c->mb_decision= s->avctx->mb_decision;
980 c->me_cmp= s->avctx->me_cmp;
981 c->mb_cmp= s->avctx->mb_cmp;
982 c->me_sub_cmp= s->avctx->me_sub_cmp;
983 c->pix_fmt = PIX_FMT_YUV420P;
984 c->time_base= s->avctx->time_base;
985 c->max_b_frames= s->max_b_frames;
986
987 if (avcodec_open(c, codec) < 0)
988 return -1;
989
990 for(i=0; i<s->max_b_frames+2; i++){
991 int ysize= c->width*c->height;
992 int csize= (c->width/2)*(c->height/2);
993 Picture pre_input, *pre_input_ptr= i ? s->input_picture[i-1] : s->next_picture_ptr;
994
995 avcodec_get_frame_defaults(&input[i]);
996 input[i].data[0]= av_malloc(ysize + 2*csize);
997 input[i].data[1]= input[i].data[0] + ysize;
998 input[i].data[2]= input[i].data[1] + csize;
999 input[i].linesize[0]= c->width;
1000 input[i].linesize[1]=
1001 input[i].linesize[2]= c->width/2;
1002
1003 if(pre_input_ptr && (!i || s->input_picture[i-1])) {
1004 pre_input= *pre_input_ptr;
1005
1006 if(pre_input.type != FF_BUFFER_TYPE_SHARED && i) {
1007 pre_input.data[0]+=INPLACE_OFFSET;
1008 pre_input.data[1]+=INPLACE_OFFSET;
1009 pre_input.data[2]+=INPLACE_OFFSET;
1010 }
1011
1012 s->dsp.shrink[scale](input[i].data[0], input[i].linesize[0], pre_input.data[0], pre_input.linesize[0], c->width, c->height);
1013 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);
1014 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);
1015 }
1016 }
1017
1018 for(j=0; j<s->max_b_frames+1; j++){
1019 int64_t rd=0;
1020
1021 if(!s->input_picture[j])
1022 break;
1023
1024 c->error[0]= c->error[1]= c->error[2]= 0;
1025
1026 input[0].pict_type= FF_I_TYPE;
1027 input[0].quality= 1 * FF_QP2LAMBDA;
1028 out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[0]);
1029 // rd += (out_size * lambda2) >> FF_LAMBDA_SHIFT;
1030
1031 for(i=0; i<s->max_b_frames+1; i++){
1032 int is_p= i % (j+1) == j || i==s->max_b_frames;
1033
1034 input[i+1].pict_type= is_p ? FF_P_TYPE : FF_B_TYPE;
1035 input[i+1].quality= is_p ? p_lambda : b_lambda;
1036 out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[i+1]);
1037 rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
1038 }
1039
1040 /* get the delayed frames */
1041 while(out_size){
1042 out_size = avcodec_encode_video(c, outbuf, outbuf_size, NULL);
1043 rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
1044 }
1045
1046 rd += c->error[0] + c->error[1] + c->error[2];
1047
1048 if(rd < best_rd){
1049 best_rd= rd;
1050 best_b_count= j;
1051 }
1052 }
1053
1054 av_freep(&outbuf);
1055 avcodec_close(c);
1056 av_freep(&c);
1057
1058 for(i=0; i<s->max_b_frames+2; i++){
1059 av_freep(&input[i].data[0]);
1060 }
1061
1062 return best_b_count;
1063 }
1064
1065 static int select_input_picture(MpegEncContext *s){
1066 int i;
1067
1068 for(i=1; i<MAX_PICTURE_COUNT; i++)
1069 s->reordered_input_picture[i-1]= s->reordered_input_picture[i];
1070 s->reordered_input_picture[MAX_PICTURE_COUNT-1]= NULL;
1071
1072 /* set next picture type & ordering */
1073 if(s->reordered_input_picture[0]==NULL && s->input_picture[0]){
1074 if(/*s->picture_in_gop_number >= s->gop_size ||*/ s->next_picture_ptr==NULL || s->intra_only){
1075 s->reordered_input_picture[0]= s->input_picture[0];
1076 s->reordered_input_picture[0]->pict_type= FF_I_TYPE;
1077 s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
1078 }else{
1079 int b_frames;
1080
1081 if(s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor){
1082 if(s->picture_in_gop_number < s->gop_size && skip_check(s, s->input_picture[0], s->next_picture_ptr)){
1083 //FIXME check that te gop check above is +-1 correct
1084 //av_log(NULL, AV_LOG_DEBUG, "skip %p %"PRId64"\n", s->input_picture[0]->data[0], s->input_picture[0]->pts);
1085
1086 if(s->input_picture[0]->type == FF_BUFFER_TYPE_SHARED){
1087 for(i=0; i<4; i++)
1088 s->input_picture[0]->data[i]= NULL;
1089 s->input_picture[0]->type= 0;
1090 }else{
1091 assert( s->input_picture[0]->type==FF_BUFFER_TYPE_USER
1092 || s->input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
1093
1094 s->avctx->release_buffer(s->avctx, (AVFrame*)s->input_picture[0]);
1095 }
1096
1097 emms_c();
1098 ff_vbv_update(s, 0);
1099
1100 goto no_output_pic;
1101 }
1102 }
1103
1104 if(s->flags&CODEC_FLAG_PASS2){
1105 for(i=0; i<s->max_b_frames+1; i++){
1106 int pict_num= s->input_picture[0]->display_picture_number + i;
1107
1108 if(pict_num >= s->rc_context.num_entries)
1109 break;
1110 if(!s->input_picture[i]){
1111 s->rc_context.entry[pict_num-1].new_pict_type = FF_P_TYPE;
1112 break;
1113 }
1114
1115 s->input_picture[i]->pict_type=
1116 s->rc_context.entry[pict_num].new_pict_type;
1117 }
1118 }
1119
1120 if(s->avctx->b_frame_strategy==0){
1121 b_frames= s->max_b_frames;
1122 while(b_frames && !s->input_picture[b_frames]) b_frames--;
1123 }else if(s->avctx->b_frame_strategy==1){
1124 for(i=1; i<s->max_b_frames+1; i++){
1125 if(s->input_picture[i] && s->input_picture[i]->b_frame_score==0){
1126 s->input_picture[i]->b_frame_score=
1127 get_intra_count(s, s->input_picture[i ]->data[0],
1128 s->input_picture[i-1]->data[0], s->linesize) + 1;
1129 }
1130 }
1131 for(i=0; i<s->max_b_frames+1; i++){
1132 if(s->input_picture[i]==NULL || s->input_picture[i]->b_frame_score - 1 > s->mb_num/s->avctx->b_sensitivity) break;
1133 }
1134
1135 b_frames= FFMAX(0, i-1);
1136
1137 /* reset scores */
1138 for(i=0; i<b_frames+1; i++){
1139 s->input_picture[i]->b_frame_score=0;
1140 }
1141 }else if(s->avctx->b_frame_strategy==2){
1142 b_frames= estimate_best_b_count(s);
1143 }else{
1144 av_log(s->avctx, AV_LOG_ERROR, "illegal b frame strategy\n");
1145 b_frames=0;
1146 }
1147
1148 emms_c();
1149 //static int b_count=0;
1150 //b_count+= b_frames;
1151 //av_log(s->avctx, AV_LOG_DEBUG, "b_frames: %d\n", b_count);
1152
1153 for(i= b_frames - 1; i>=0; i--){
1154 int type= s->input_picture[i]->pict_type;
1155 if(type && type != FF_B_TYPE)
1156 b_frames= i;
1157 }
1158 if(s->input_picture[b_frames]->pict_type == FF_B_TYPE && b_frames == s->max_b_frames){
1159 av_log(s->avctx, AV_LOG_ERROR, "warning, too many b frames in a row\n");
1160 }
1161
1162 if(s->picture_in_gop_number + b_frames >= s->gop_size){
1163 if((s->flags2 & CODEC_FLAG2_STRICT_GOP) && s->gop_size > s->picture_in_gop_number){
1164 b_frames= s->gop_size - s->picture_in_gop_number - 1;
1165 }else{
1166 if(s->flags & CODEC_FLAG_CLOSED_GOP)
1167 b_frames=0;
1168 s->input_picture[b_frames]->pict_type= FF_I_TYPE;
1169 }
1170 }
1171
1172 if( (s->flags & CODEC_FLAG_CLOSED_GOP)
1173 && b_frames
1174 && s->input_picture[b_frames]->pict_type== FF_I_TYPE)
1175 b_frames--;
1176
1177 s->reordered_input_picture[0]= s->input_picture[b_frames];
1178 if(s->reordered_input_picture[0]->pict_type != FF_I_TYPE)
1179 s->reordered_input_picture[0]->pict_type= FF_P_TYPE;
1180 s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
1181 for(i=0; i<b_frames; i++){
1182 s->reordered_input_picture[i+1]= s->input_picture[i];
1183 s->reordered_input_picture[i+1]->pict_type= FF_B_TYPE;
1184 s->reordered_input_picture[i+1]->coded_picture_number= s->coded_picture_number++;
1185 }
1186 }
1187 }
1188 no_output_pic:
1189 if(s->reordered_input_picture[0]){
1190 s->reordered_input_picture[0]->reference= s->reordered_input_picture[0]->pict_type!=FF_B_TYPE ? 3 : 0;
1191
1192 ff_copy_picture(&s->new_picture, s->reordered_input_picture[0]);
1193
1194 if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_SHARED || s->avctx->rc_buffer_size){
1195 // input is a shared pix, so we can't modifiy it -> alloc a new one & ensure that the shared one is reuseable
1196
1197 int i= ff_find_unused_picture(s, 0);
1198 Picture *pic= &s->picture[i];
1199
1200 pic->reference = s->reordered_input_picture[0]->reference;
1201 if(ff_alloc_picture(s, pic, 0) < 0){
1202 return -1;
1203 }
1204
1205 /* mark us unused / free shared pic */
1206 if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_INTERNAL)
1207 s->avctx->release_buffer(s->avctx, (AVFrame*)s->reordered_input_picture[0]);
1208 for(i=0; i<4; i++)
1209 s->reordered_input_picture[0]->data[i]= NULL;
1210 s->reordered_input_picture[0]->type= 0;
1211
1212 copy_picture_attributes(s, (AVFrame*)pic, (AVFrame*)s->reordered_input_picture[0]);
1213
1214 s->current_picture_ptr= pic;
1215 }else{
1216 // input is not a shared pix -> reuse buffer for current_pix
1217
1218 assert( s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_USER
1219 || s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
1220
1221 s->current_picture_ptr= s->reordered_input_picture[0];
1222 for(i=0; i<4; i++){
1223 s->new_picture.data[i]+= INPLACE_OFFSET;
1224 }
1225 }
1226 ff_copy_picture(&s->current_picture, s->current_picture_ptr);
1227
1228 s->picture_number= s->new_picture.display_picture_number;
1229 //printf("dpn:%d\n", s->picture_number);
1230 }else{
1231 memset(&s->new_picture, 0, sizeof(Picture));
1232 }
1233 return 0;
1234 }
1235
1236 int MPV_encode_picture(AVCodecContext *avctx,
1237 unsigned char *buf, int buf_size, void *data)
1238 {
1239 MpegEncContext *s = avctx->priv_data;
1240 AVFrame *pic_arg = data;
1241 int i, stuffing_count;
1242
1243 for(i=0; i<avctx->thread_count; i++){
1244 int start_y= s->thread_context[i]->start_mb_y;
1245 int end_y= s->thread_context[i]-> end_mb_y;
1246 int h= s->mb_height;
1247 uint8_t *start= buf + (size_t)(((int64_t) buf_size)*start_y/h);
1248 uint8_t *end = buf + (size_t)(((int64_t) buf_size)* end_y/h);
1249
1250 init_put_bits(&s->thread_context[i]->pb, start, end - start);
1251 }
1252
1253 s->picture_in_gop_number++;
1254
1255 if(load_input_picture(s, pic_arg) < 0)
1256 return -1;
1257
1258 if(select_input_picture(s) < 0){
1259 return -1;
1260 }
1261
1262 /* output? */
1263 if(s->new_picture.data[0]){
1264 s->pict_type= s->new_picture.pict_type;
1265 //emms_c();
1266 //printf("qs:%f %f %d\n", s->new_picture.quality, s->current_picture.quality, s->qscale);
1267 MPV_frame_start(s, avctx);
1268 vbv_retry:
1269 if (encode_picture(s, s->picture_number) < 0)
1270 return -1;
1271
1272 avctx->header_bits = s->header_bits;
1273 avctx->mv_bits = s->mv_bits;
1274 avctx->misc_bits = s->misc_bits;
1275 avctx->i_tex_bits = s->i_tex_bits;
1276 avctx->p_tex_bits = s->p_tex_bits;
1277 avctx->i_count = s->i_count;
1278 avctx->p_count = s->mb_num - s->i_count - s->skip_count; //FIXME f/b_count in avctx
1279 avctx->skip_count = s->skip_count;
1280
1281 MPV_frame_end(s);
1282
1283 if (CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG)
1284 ff_mjpeg_encode_picture_trailer(s);
1285
1286 if(avctx->rc_buffer_size){
1287 RateControlContext *rcc= &s->rc_context;
1288 int max_size= rcc->buffer_index * avctx->rc_max_available_vbv_use;
1289
1290 if(put_bits_count(&s->pb) > max_size && s->lambda < s->avctx->lmax){
1291 s->next_lambda= FFMAX(s->lambda+1, s->lambda*(s->qscale+1) / s->qscale);
1292 if(s->adaptive_quant){
1293 int i;
1294 for(i=0; i<s->mb_height*s->mb_stride; i++)
1295 s->lambda_table[i]= FFMAX(s->lambda_table[i]+1, s->lambda_table[i]*(s->qscale+1) / s->qscale);
1296 }
1297 s->mb_skipped = 0; //done in MPV_frame_start()
1298 if(s->pict_type==FF_P_TYPE){ //done in encode_picture() so we must undo it
1299 if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
1300 s->no_rounding ^= 1;
1301 }
1302 if(s->pict_type!=FF_B_TYPE){
1303 s->time_base= s->last_time_base;
1304 s->last_non_b_time= s->time - s->pp_time;
1305 }
1306 // av_log(NULL, AV_LOG_ERROR, "R:%d ", s->next_lambda);
1307 for(i=0; i<avctx->thread_count; i++){
1308 PutBitContext *pb= &s->thread_context[i]->pb;
1309 init_put_bits(pb, pb->buf, pb->buf_end - pb->buf);
1310 }
1311 goto vbv_retry;
1312 }
1313
1314 assert(s->avctx->rc_max_rate);
1315 }
1316
1317 if(s->flags&CODEC_FLAG_PASS1)
1318 ff_write_pass1_stats(s);
1319
1320 for(i=0; i<4; i++){
1321 s->current_picture_ptr->error[i]= s->current_picture.error[i];
1322 avctx->error[i] += s->current_picture_ptr->error[i];
1323 }
1324
1325 if(s->flags&CODEC_FLAG_PASS1)
1326 assert(avctx->header_bits + avctx->mv_bits + avctx->misc_bits + avctx->i_tex_bits + avctx->p_tex_bits == put_bits_count(&s->pb));
1327 flush_put_bits(&s->pb);
1328 s->frame_bits = put_bits_count(&s->pb);
1329
1330 stuffing_count= ff_vbv_update(s, s->frame_bits);
1331 if(stuffing_count){
1332 if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < stuffing_count + 50){
1333 av_log(s->avctx, AV_LOG_ERROR, "stuffing too large\n");
1334 return -1;
1335 }
1336
1337 switch(s->codec_id){
1338 case CODEC_ID_MPEG1VIDEO:
1339 case CODEC_ID_MPEG2VIDEO:
1340 while(stuffing_count--){
1341 put_bits(&s->pb, 8, 0);
1342 }
1343 break;
1344 case CODEC_ID_MPEG4:
1345 put_bits(&s->pb, 16, 0);
1346 put_bits(&s->pb, 16, 0x1C3);
1347 stuffing_count -= 4;
1348 while(stuffing_count--){
1349 put_bits(&s->pb, 8, 0xFF);
1350 }
1351 break;
1352 default:
1353 av_log(s->avctx, AV_LOG_ERROR, "vbv buffer overflow\n");
1354 }
1355 flush_put_bits(&s->pb);
1356 s->frame_bits = put_bits_count(&s->pb);
1357 }
1358
1359 /* update mpeg1/2 vbv_delay for CBR */
1360 if(s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate && s->out_format == FMT_MPEG1
1361 && 90000LL * (avctx->rc_buffer_size-1) <= s->avctx->rc_max_rate*0xFFFFLL){
1362 int vbv_delay, min_delay;
1363 double inbits = s->avctx->rc_max_rate*av_q2d(s->avctx->time_base);
1364 int minbits= s->frame_bits - 8*(s->vbv_delay_ptr - s->pb.buf - 1);
1365 double bits = s->rc_context.buffer_index + minbits - inbits;
1366
1367 if(bits<0)
1368 av_log(s->avctx, AV_LOG_ERROR, "Internal error, negative bits\n");
1369
1370 assert(s->repeat_first_field==0);
1371
1372 vbv_delay= bits * 90000 / s->avctx->rc_max_rate;
1373 min_delay= (minbits * 90000LL + s->avctx->rc_max_rate - 1)/ s->avctx->rc_max_rate;
1374
1375 vbv_delay= FFMAX(vbv_delay, min_delay);
1376
1377 assert(vbv_delay < 0xFFFF);
1378
1379 s->vbv_delay_ptr[0] &= 0xF8;
1380 s->vbv_delay_ptr[0] |= vbv_delay>>13;
1381 s->vbv_delay_ptr[1] = vbv_delay>>5;
1382 s->vbv_delay_ptr[2] &= 0x07;
1383 s->vbv_delay_ptr[2] |= vbv_delay<<3;
1384 }
1385 s->total_bits += s->frame_bits;
1386 avctx->frame_bits = s->frame_bits;
1387 }else{
1388 assert((put_bits_ptr(&s->pb) == s->pb.buf));
1389 s->frame_bits=0;
1390 }
1391 assert((s->frame_bits&7)==0);
1392
1393 return s->frame_bits/8;
1394 }
1395
1396 static inline void dct_single_coeff_elimination(MpegEncContext *s, int n, int threshold)
1397 {
1398 static const char tab[64]=
1399 {3,2,2,1,1,1,1,1,
1400 1,1,1,1,1,1,1,1,
1401 1,1,1,1,1,1,1,1,
1402 0,0,0,0,0,0,0,0,
1403 0,0,0,0,0,0,0,0,
1404 0,0,0,0,0,0,0,0,
1405 0,0,0,0,0,0,0,0,
1406 0,0,0,0,0,0,0,0};
1407 int score=0;
1408 int run=0;
1409 int i;
1410 DCTELEM *block= s->block[n];
1411 const int last_index= s->block_last_index[n];
1412 int skip_dc;
1413
1414 if(threshold<0){
1415 skip_dc=0;
1416 threshold= -threshold;
1417 }else
1418 skip_dc=1;
1419
1420 /* Are all we could set to zero already zero? */
1421 if(last_index<=skip_dc - 1) return;
1422
1423 for(i=0; i<=last_index; i++){
1424 const int j = s->intra_scantable.permutated[i];
1425 const int level = FFABS(block[j]);
1426 if(level==1){
1427 if(skip_dc && i==0) continue;
1428 score+= tab[run];
1429 run=0;
1430 }else if(level>1){
1431 return;
1432 }else{
1433 run++;
1434 }
1435 }
1436 if(score >= threshold) return;
1437 for(i=skip_dc; i<=last_index; i++){
1438 const int j = s->intra_scantable.permutated[i];
1439 block[j]=0;
1440 }
1441 if(block[0]) s->block_last_index[n]= 0;
1442 else s->block_last_index[n]= -1;
1443 }
1444
1445 static inline void clip_coeffs(MpegEncContext *s, DCTELEM *block, int last_index)
1446 {
1447 int i;
1448 const int maxlevel= s->max_qcoeff;
1449 const int minlevel= s->min_qcoeff;
1450 int overflow=0;
1451
1452 if(s->mb_intra){
1453 i=1; //skip clipping of intra dc
1454 }else
1455 i=0;
1456
1457 for(;i<=last_index; i++){
1458 const int j= s->intra_scantable.permutated[i];
1459 int level = block[j];
1460
1461 if (level>maxlevel){
1462 level=maxlevel;
1463 overflow++;
1464 }else if(level<minlevel){
1465 level=minlevel;
1466 overflow++;
1467 }
1468
1469 block[j]= level;
1470 }
1471
1472 if(overflow && s->avctx->mb_decision == FF_MB_DECISION_SIMPLE)
1473 av_log(s->avctx, AV_LOG_INFO, "warning, clipping %d dct coefficients to %d..%d\n", overflow, minlevel, maxlevel);
1474 }
1475
1476 static void get_visual_weight(int16_t *weight, uint8_t *ptr, int stride){
1477 int x, y;
1478 //FIXME optimize
1479 for(y=0; y<8; y++){
1480 for(x=0; x<8; x++){
1481 int x2, y2;
1482 int sum=0;
1483 int sqr=0;
1484 int count=0;
1485
1486 for(y2= FFMAX(y-1, 0); y2 < FFMIN(8, y+2); y2++){
1487 for(x2= FFMAX(x-1, 0); x2 < FFMIN(8, x+2); x2++){
1488 int v= ptr[x2 + y2*stride];
1489 sum += v;
1490 sqr += v*v;
1491 count++;
1492 }
1493 }
1494 weight[x + 8*y]= (36*ff_sqrt(count*sqr - sum*sum)) / count;
1495 }
1496 }
1497 }
1498
1499 static av_always_inline void encode_mb_internal(MpegEncContext *s, int motion_x, int motion_y, int mb_block_height, int mb_block_count)
1500 {
1501 int16_t weight[8][64];
1502 DCTELEM orig[8][64];
1503 const int mb_x= s->mb_x;
1504 const int mb_y= s->mb_y;
1505 int i;
1506 int skip_dct[8];
1507 int dct_offset = s->linesize*8; //default for progressive frames
1508 uint8_t *ptr_y, *ptr_cb, *ptr_cr;
1509 int wrap_y, wrap_c;
1510
1511 for(i=0; i<mb_block_count; i++) skip_dct[i]=s->skipdct;
1512
1513 if(s->adaptive_quant){
1514 const int last_qp= s->qscale;
1515 const int mb_xy= mb_x + mb_y*s->mb_stride;
1516
1517 s->lambda= s->lambda_table[mb_xy];
1518 update_qscale(s);
1519
1520 if(!(s->flags&CODEC_FLAG_QP_RD)){
1521 s->qscale= s->current_picture_ptr->qscale_table[mb_xy];
1522 s->dquant= s->qscale - last_qp;
1523
1524 if(s->out_format==FMT_H263){
1525 s->dquant= av_clip(s->dquant, -2, 2);
1526
1527 if(s->codec_id==CODEC_ID_MPEG4){
1528 if(!s->mb_intra){
1529 if(s->pict_type == FF_B_TYPE){
1530 if(s->dquant&1 || s->mv_dir&MV_DIRECT)
1531 s->dquant= 0;
1532 }
1533 if(s->mv_type==MV_TYPE_8X8)
1534 s->dquant=0;
1535 }
1536 }
1537 }
1538 }
1539 ff_set_qscale(s, last_qp + s->dquant);
1540 }else if(s->flags&CODEC_FLAG_QP_RD)
1541 ff_set_qscale(s, s->qscale + s->dquant);
1542
1543 wrap_y = s->linesize;
1544 wrap_c = s->uvlinesize;
1545 ptr_y = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16;
1546 ptr_cb = s->new_picture.data[1] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
1547 ptr_cr = s->new_picture.data[2] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
1548
1549 if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){
1550 uint8_t *ebuf= s->edge_emu_buffer + 32;
1551 ff_emulated_edge_mc(ebuf , ptr_y , wrap_y,16,16,mb_x*16,mb_y*16, s->width , s->height);
1552 ptr_y= ebuf;
1553 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);
1554 ptr_cb= ebuf+18*wrap_y;
1555 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);
1556 ptr_cr= ebuf+18*wrap_y+8;
1557 }
1558
1559 if (s->mb_intra) {
1560 if(s->flags&CODEC_FLAG_INTERLACED_DCT){
1561 int progressive_score, interlaced_score;
1562
1563 s->interlaced_dct=0;
1564 progressive_score= s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y, 8)
1565 +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y*8, NULL, wrap_y, 8) - 400;
1566
1567 if(progressive_score > 0){
1568 interlaced_score = s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y*2, 8)
1569 +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y , NULL, wrap_y*2, 8);
1570 if(progressive_score > interlaced_score){
1571 s->interlaced_dct=1;
1572
1573 dct_offset= wrap_y;
1574 wrap_y<<=1;
1575 if (s->chroma_format == CHROMA_422)
1576 wrap_c<<=1;
1577 }
1578 }
1579 }
1580
1581 s->dsp.get_pixels(s->block[0], ptr_y , wrap_y);
1582 s->dsp.get_pixels(s->block[1], ptr_y + 8, wrap_y);
1583 s->dsp.get_pixels(s->block[2], ptr_y + dct_offset , wrap_y);
1584 s->dsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y);
1585
1586 if(s->flags&CODEC_FLAG_GRAY){
1587 skip_dct[4]= 1;
1588 skip_dct[5]= 1;
1589 }else{
1590 s->dsp.get_pixels(s->block[4], ptr_cb, wrap_c);
1591 s->dsp.get_pixels(s->block[5], ptr_cr, wrap_c);
1592 if(!s->chroma_y_shift){ /* 422 */
1593 s->dsp.get_pixels(s->block[6], ptr_cb + (dct_offset>>1), wrap_c);
1594 s->dsp.get_pixels(s->block[7], ptr_cr + (dct_offset>>1), wrap_c);
1595 }
1596 }
1597 }else{
1598 op_pixels_func (*op_pix)[4];
1599 qpel_mc_func (*op_qpix)[16];
1600 uint8_t *dest_y, *dest_cb, *dest_cr;
1601
1602 dest_y = s->dest[0];
1603 dest_cb = s->dest[1];
1604 dest_cr = s->dest[2];
1605
1606 if ((!s->no_rounding) || s->pict_type==FF_B_TYPE){
1607 op_pix = s->dsp.put_pixels_tab;
1608 op_qpix= s->dsp.put_qpel_pixels_tab;
1609 }else{
1610 op_pix = s->dsp.put_no_rnd_pixels_tab;
1611 op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab;
1612 }
1613
1614 if (s->mv_dir & MV_DIR_FORWARD) {
1615 MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);
1616 op_pix = s->dsp.avg_pixels_tab;
1617 op_qpix= s->dsp.avg_qpel_pixels_tab;
1618 }
1619 if (s->mv_dir & MV_DIR_BACKWARD) {
1620 MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix);
1621 }
1622
1623 if(s->flags&CODEC_FLAG_INTERLACED_DCT){
1624 int progressive_score, interlaced_score;
1625
1626 s->interlaced_dct=0;
1627 progressive_score= s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y, 8)
1628 +s->dsp.ildct_cmp[0](s, dest_y + wrap_y*8, ptr_y + wrap_y*8, wrap_y, 8) - 400;
1629
1630 if(s->avctx->ildct_cmp == FF_CMP_VSSE) progressive_score -= 400;
1631
1632 if(progressive_score>0){
1633 interlaced_score = s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y*2, 8)
1634 +s->dsp.ildct_cmp[0](s, dest_y + wrap_y , ptr_y + wrap_y , wrap_y*2, 8);
1635
1636 if(progressive_score > interlaced_score){
1637 s->interlaced_dct=1;
1638
1639 dct_offset= wrap_y;
1640 wrap_y<<=1;
1641 if (s->chroma_format == CHROMA_422)
1642 wrap_c<<=1;
1643 }
1644 }
1645 }
1646
1647 s->dsp.diff_pixels(s->block[0], ptr_y , dest_y , wrap_y);
1648 s->dsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y);
1649 s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset , dest_y + dct_offset , wrap_y);
1650 s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8, dest_y + dct_offset + 8, wrap_y);
1651
1652 if(s->flags&CODEC_FLAG_GRAY){
1653 skip_dct[4]= 1;
1654 skip_dct[5]= 1;
1655 }else{
1656 s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
1657 s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
1658 if(!s->chroma_y_shift){ /* 422 */
1659 s->dsp.diff_pixels(s->block[6], ptr_cb + (dct_offset>>1), dest_cb + (dct_offset>>1), wrap_c);
1660 s->dsp.diff_pixels(s->block[7], ptr_cr + (dct_offset>>1), dest_cr + (dct_offset>>1), wrap_c);
1661 }
1662 }
1663 /* pre quantization */
1664 if(s->current_picture.mc_mb_var[s->mb_stride*mb_y+ mb_x]<2*s->qscale*s->qscale){
1665 //FIXME optimize
1666 if(s->dsp.sad[1](NULL, ptr_y , dest_y , wrap_y, 8) < 20*s->qscale) skip_dct[0]= 1;
1667 if(s->dsp.sad[1](NULL, ptr_y + 8, dest_y + 8, wrap_y, 8) < 20*s->qscale) skip_dct[1]= 1;
1668 if(s->dsp.sad[1](NULL, ptr_y +dct_offset , dest_y +dct_offset , wrap_y, 8) < 20*s->qscale) skip_dct[2]= 1;
1669 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;
1670 if(s->dsp.sad[1](NULL, ptr_cb , dest_cb , wrap_c, 8) < 20*s->qscale) skip_dct[4]= 1;
1671 if(s->dsp.sad[1](NULL, ptr_cr , dest_cr , wrap_c, 8) < 20*s->qscale) skip_dct[5]= 1;
1672 if(!s->chroma_y_shift){ /* 422 */
1673 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;
1674 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;
1675 }
1676 }
1677 }
1678
1679 if(s->avctx->quantizer_noise_shaping){
1680 if(!skip_dct[0]) get_visual_weight(weight[0], ptr_y , wrap_y);
1681 if(!skip_dct[1]) get_visual_weight(weight[1], ptr_y + 8, wrap_y);
1682 if(!skip_dct[2]) get_visual_weight(weight[2], ptr_y + dct_offset , wrap_y);
1683 if(!skip_dct[3]) get_visual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y);
1684 if(!skip_dct[4]) get_visual_weight(weight[4], ptr_cb , wrap_c);
1685 if(!skip_dct[5]) get_visual_weight(weight[5], ptr_cr , wrap_c);
1686 if(!s->chroma_y_shift){ /* 422 */
1687 if(!skip_dct[6]) get_visual_weight(weight[6], ptr_cb + (dct_offset>>1), wrap_c);
1688 if(!skip_dct[7]) get_visual_weight(weight[7], ptr_cr + (dct_offset>>1), wrap_c);
1689 }
1690 memcpy(orig[0], s->block[0], sizeof(DCTELEM)*64*mb_block_count);
1691 }
1692
1693 /* DCT & quantize */
1694 assert(s->out_format!=FMT_MJPEG || s->qscale==8);
1695 {
1696 for(i=0;i<mb_block_count;i++) {
1697 if(!skip_dct[i]){
1698 int overflow;
1699 s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow);
1700 // FIXME we could decide to change to quantizer instead of clipping
1701 // JS: I don't think that would be a good idea it could lower quality instead
1702 // of improve it. Just INTRADC clipping deserves changes in quantizer
1703 if (overflow) clip_coeffs(s, s->block[i], s->block_last_index[i]);
1704 }else
1705 s->block_last_index[i]= -1;
1706 }
1707 if(s->avctx->quantizer_noise_shaping){
1708 for(i=0;i<mb_block_count;i++) {
1709 if(!skip_dct[i]){
1710 s->block_last_index[i] = dct_quantize_refine(s, s->block[i], weight[i], orig[i], i, s->qscale);
1711 }
1712 }
1713 }
1714
1715 if(s->luma_elim_threshold && !s->mb_intra)
1716 for(i=0; i<4; i++)
1717 dct_single_coeff_elimination(s, i, s->luma_elim_threshold);
1718 if(s->chroma_elim_threshold && !s->mb_intra)
1719 for(i=4; i<mb_block_count; i++)
1720 dct_single_coeff_elimination(s, i, s->chroma_elim_threshold);
1721
1722 if(s->flags & CODEC_FLAG_CBP_RD){
1723 for(i=0;i<mb_block_count;i++) {
1724 if(s->block_last_index[i] == -1)
1725 s->coded_score[i]= INT_MAX/256;
1726 }
1727 }
1728 }
1729
1730 if((s->flags&CODEC_FLAG_GRAY) && s->mb_intra){
1731 s->block_last_index[4]=
1732 s->block_last_index[5]= 0;
1733 s->block[4][0]=
1734 s->block[5][0]= (1024 + s->c_dc_scale/2)/ s->c_dc_scale;
1735 }
1736
1737 //non c quantize code returns incorrect block_last_index FIXME
1738 if(s->alternate_scan && s->dct_quantize != dct_quantize_c){
1739 for(i=0; i<mb_block_count; i++){
1740 int j;
1741 if(s->block_last_index[i]>0){
1742 for(j=63; j>0; j--){
1743 if(s->block[i][ s->intra_scantable.permutated[j] ]) break;
1744 }
1745 s->block_last_index[i]= j;
1746 }
1747 }
1748 }
1749
1750 /* huffman encode */
1751 switch(s->codec_id){ //FIXME funct ptr could be slightly faster
1752 case CODEC_ID_MPEG1VIDEO:
1753 case CODEC_ID_MPEG2VIDEO:
1754 if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
1755 mpeg1_encode_mb(s, s->block, motion_x, motion_y);
1756 break;
1757 case CODEC_ID_MPEG4:
1758 if (CONFIG_MPEG4_ENCODER)
1759 mpeg4_encode_mb(s, s->block, motion_x, motion_y);
1760 break;
1761 case CODEC_ID_MSMPEG4V2:
1762 case CODEC_ID_MSMPEG4V3:
1763 case CODEC_ID_WMV1:
1764 if (CONFIG_MSMPEG4_ENCODER)
1765 msmpeg4_encode_mb(s, s->block, motion_x, motion_y);
1766 break;
1767 case CODEC_ID_WMV2:
1768 if (CONFIG_WMV2_ENCODER)
1769 ff_wmv2_encode_mb(s, s->block, motion_x, motion_y);
1770 break;
1771 case CODEC_ID_H261:
1772 if (CONFIG_H261_ENCODER)
1773 ff_h261_encode_mb(s, s->block, motion_x, motion_y);
1774 break;
1775 case CODEC_ID_H263:
1776 case CODEC_ID_H263P:
1777 case CODEC_ID_FLV1:
1778 case CODEC_ID_RV10:
1779 case CODEC_ID_RV20:
1780 if (CONFIG_H263_ENCODER)
1781 h263_encode_mb(s, s->block, motion_x, motion_y);
1782 break;
1783 case CODEC_ID_MJPEG:
1784 if (CONFIG_MJPEG_ENCODER)
1785 ff_mjpeg_encode_mb(s, s->block);
1786 break;
1787 default:
1788 assert(0);
1789 }
1790 }
1791
1792 static av_always_inline void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
1793 {
1794 if (s->chroma_format == CHROMA_420) encode_mb_internal(s, motion_x, motion_y, 8, 6);
1795 else encode_mb_internal(s, motion_x, motion_y, 16, 8);
1796 }
1797
1798 static inline void copy_context_before_encode(MpegEncContext *d, MpegEncContext *s, int type){
1799 int i;
1800
1801 memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
1802
1803 /* mpeg1 */
1804 d->mb_skip_run= s->mb_skip_run;
1805 for(i=0; i<3; i++)
1806 d->last_dc[i]= s->last_dc[i];
1807
1808 /* statistics */
1809 d->mv_bits= s->mv_bits;
1810 d->i_tex_bits= s->i_tex_bits;
1811 d->p_tex_bits= s->p_tex_bits;
1812 d->i_count= s->i_count;
1813 d->f_count= s->f_count;
1814 d->b_count= s->b_count;
1815 d->skip_count= s->skip_count;
1816 d->misc_bits= s->misc_bits;
1817 d->last_bits= 0;
1818
1819 d->mb_skipped= 0;
1820 d->qscale= s->qscale;
1821 d->dquant= s->dquant;
1822
1823 d->esc3_level_length= s->esc3_level_length;
1824 }
1825
1826 static inline void copy_context_after_encode(MpegEncContext *d, MpegEncContext *s, int type){
1827 int i;
1828
1829 memcpy(d->mv, s->mv, 2*4*2*sizeof(int));
1830 memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
1831
1832 /* mpeg1 */
1833 d->mb_skip_run= s->mb_skip_run;
1834 for(i=0; i<3; i++)
1835 d->last_dc[i]= s->last_dc[i];
1836
1837 /* statistics */
1838 d->mv_bits= s->mv_bits;
1839 d->i_tex_bits= s->i_tex_bits;
1840 d->p_tex_bits= s->p_tex_bits;
1841 d->i_count= s->i_count;
1842 d->f_count= s->f_count;
1843 d->b_count= s->b_count;
1844 d->skip_count= s->skip_count;
1845 d->misc_bits= s->misc_bits;
1846
1847 d->mb_intra= s->mb_intra;
1848 d->mb_skipped= s->mb_skipped;
1849 d->mv_type= s->mv_type;
1850 d->mv_dir= s->mv_dir;
1851 d->pb= s->pb;
1852 if(s->data_partitioning){
1853 d->pb2= s->pb2;
1854 d->tex_pb= s->tex_pb;
1855 }
1856 d->block= s->block;
1857 for(i=0; i<8; i++)
1858 d->block_last_index[i]= s->block_last_index[i];
1859 d->interlaced_dct= s->interlaced_dct;
1860 d->qscale= s->qscale;
1861
1862 d->esc3_level_length= s->esc3_level_length;
1863 }
1864
1865 static inline void encode_mb_hq(MpegEncContext *s, MpegEncContext *backup, MpegEncContext *best, int type,
1866 PutBitContext pb[2], PutBitContext pb2[2], PutBitContext tex_pb[2],
1867 int *dmin, int *next_block, int motion_x, int motion_y)
1868 {
1869 int score;
1870 uint8_t *dest_backup[3];
1871
1872 copy_context_before_encode(s, backup, type);
1873
1874 s->block= s->blocks[*next_block];
1875 s->pb= pb[*next_block];
1876 if(s->data_partitioning){
1877 s->pb2 = pb2 [*next_block];
1878 s->tex_pb= tex_pb[*next_block];
1879 }
1880
1881 if(*next_block){
1882 memcpy(dest_backup, s->dest, sizeof(s->dest));
1883 s->dest[0] = s->rd_scratchpad;
1884 s->dest[1] = s->rd_scratchpad + 16*s->linesize;
1885 s->dest[2] = s->rd_scratchpad + 16*s->linesize + 8;
1886 assert(s->linesize >= 32); //FIXME
1887 }
1888
1889 encode_mb(s, motion_x, motion_y);
1890
1891 score= put_bits_count(&s->pb);
1892 if(s->data_partitioning){
1893 score+= put_bits_count(&s->pb2);
1894 score+= put_bits_count(&s->tex_pb);
1895 }
1896
1897 if(s->avctx->mb_decision == FF_MB_DECISION_RD){
1898 MPV_decode_mb(s, s->block);
1899
1900 score *= s->lambda2;
1901 score += sse_mb(s) << FF_LAMBDA_SHIFT;
1902 }
1903
1904 if(*next_block){
1905 memcpy(s->dest, dest_backup, sizeof(s->dest));
1906 }
1907
1908 if(score<*dmin){
1909 *dmin= score;
1910 *next_block^=1;
1911
1912 copy_context_after_encode(best, s, type);
1913 }
1914 }
1915
1916 static int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, int h, int stride){
1917 uint32_t *sq = ff_squareTbl + 256;
1918 int acc=0;
1919 int x,y;
1920
1921 if(w==16 && h==16)
1922 return s->dsp.sse[0](NULL, src1, src2, stride, 16);
1923 else if(w==8 && h==8)
1924 return s->dsp.sse[1](NULL, src1, src2, stride, 8);
1925
1926 for(y=0; y<h; y++){
1927 for(x=0; x<w; x++){
1928 acc+= sq[src1[x + y*stride] - src2[x + y*stride]];
1929 }
1930 }
1931
1932 assert(acc>=0);
1933
1934 return acc;
1935 }
1936
1937 static int sse_mb(MpegEncContext *s){
1938 int w= 16;
1939 int h= 16;
1940
1941 if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
1942 if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
1943
1944 if(w==16 && h==16)
1945 if(s->avctx->mb_cmp == FF_CMP_NSSE){
1946 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)
1947 +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)
1948 +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);
1949 }else{
1950 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)
1951 +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)
1952 +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);
1953 }
1954 else
1955 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)
1956 +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)
1957 +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);
1958 }
1959
1960 static int pre_estimate_motion_thread(AVCodecContext *c, void *arg){
1961 MpegEncContext *s= *(void**)arg;
1962
1963
1964 s->me.pre_pass=1;
1965 s->me.dia_size= s->avctx->pre_dia_size;
1966 s->first_slice_line=1;
1967 for(s->mb_y= s->end_mb_y-1; s->mb_y >= s->start_mb_y; s->mb_y--) {
1968 for(s->mb_x=s->mb_width-1; s->mb_x >=0 ;s->mb_x--) {
1969 ff_pre_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
1970 }
1971 s->first_slice_line=0;
1972 }
1973
1974 s->me.pre_pass=0;
1975
1976 return 0;
1977 }
1978
1979 static int estimate_motion_thread(AVCodecContext *c, void *arg){
1980 MpegEncContext *s= *(void**)arg;
1981
1982 ff_check_alignment();
1983
1984 s->me.dia_size= s->avctx->dia_size;
1985 s->first_slice_line=1;
1986 for(s->mb_y= s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) {
1987 s->mb_x=0; //for block init below
1988 ff_init_block_index(s);
1989 for(s->mb_x=0; s->mb_x < s->mb_width; s->mb_x++) {
1990 s->block_index[0]+=2;
1991 s->block_index[1]+=2;
1992 s->block_index[2]+=2;
1993 s->block_index[3]+=2;
1994
1995 /* compute motion vector & mb_type and store in context */
1996 if(s->pict_type==FF_B_TYPE)
1997 ff_estimate_b_frame_motion(s, s->mb_x, s->mb_y);
1998 else
1999 ff_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
2000 }
2001 s->first_slice_line=0;
2002 }
2003 return 0;
2004 }
2005
2006 static int mb_var_thread(AVCodecContext *c, void *arg){
2007 MpegEncContext *s= *(void**)arg;
2008 int mb_x, mb_y;
2009
2010 ff_check_alignment();
2011
2012 for(mb_y=s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
2013 for(mb_x=0; mb_x < s->mb_width; mb_x++) {
2014 int xx = mb_x * 16;
2015 int yy = mb_y * 16;
2016 uint8_t *pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
2017 int varc;
2018 int sum = s->dsp.pix_sum(pix, s->linesize);
2019
2020 varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
2021
2022 s->current_picture.mb_var [s->mb_stride * mb_y + mb_x] = varc;
2023 s->current_picture.mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
2024 s->me.mb_var_sum_temp += varc;
2025 }
2026 }
2027 return 0;
2028 }
2029
2030 static void write_slice_end(MpegEncContext *s){
2031 if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4){
2032 if(s->partitioned_frame){
2033 ff_mpeg4_merge_partitions(s);
2034 }
2035
2036 ff_mpeg4_stuffing(&s->pb);
2037 }else if(CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG){
2038 ff_mjpeg_encode_stuffing(&s->pb);
2039 }
2040
2041 align_put_bits(&s->pb);
2042 flush_put_bits(&s->pb);
2043
2044 if((s->flags&CODEC_FLAG_PASS1) && !s->partitioned_frame)
2045 s->misc_bits+= get_bits_diff(s);
2046 }
2047
2048 static int encode_thread(AVCodecContext *c, void *arg){
2049 MpegEncContext *s= *(void**)arg;
2050 int mb_x, mb_y, pdif = 0;
2051 int chr_h= 16>>s->chroma_y_shift;
2052 int i, j;
2053 MpegEncContext best_s, backup_s;
2054 uint8_t bit_buf[2][MAX_MB_BYTES];
2055 uint8_t bit_buf2[2][MAX_MB_BYTES];
2056 uint8_t bit_buf_tex[2][MAX_MB_BYTES];
2057 PutBitContext pb[2], pb2[2], tex_pb[2];
2058 //printf("%d->%d\n", s->resync_mb_y, s->end_mb_y);
2059
2060 ff_check_alignment();
2061
2062 for(i=0; i<2; i++){
2063 init_put_bits(&pb [i], bit_buf [i], MAX_MB_BYTES);
2064 init_put_bits(&pb2 [i], bit_buf2 [i], MAX_MB_BYTES);
2065 init_put_bits(&tex_pb[i], bit_buf_tex[i], MAX_MB_BYTES);
2066 }
2067
2068 s->last_bits= put_bits_count(&s->pb);
2069 s->mv_bits=0;
2070 s->misc_bits=0;
2071 s->i_tex_bits=0;
2072 s->p_tex_bits=0;
2073 s->i_count=0;
2074 s->f_count=0;
2075 s->b_count=0;
2076 s->skip_count=0;
2077
2078 for(i=0; i<3; i++){
2079 /* init last dc values */
2080 /* note: quant matrix value (8) is implied here */
2081 s->last_dc[i] = 128 << s->intra_dc_precision;
2082
2083 s->current_picture.error[i] = 0;
2084 }
2085 s->mb_skip_run = 0;
2086 memset(s->last_mv, 0, sizeof(s->last_mv));
2087
2088 s->last_mv_dir = 0;
2089
2090 switch(s->codec_id){
2091 case CODEC_ID_H263:
2092 case CODEC_ID_H263P:
2093 case CODEC_ID_FLV1:
2094 if (CONFIG_H263_ENCODER)
2095 s->gob_index = ff_h263_get_gob_height(s);
2096 break;
2097 case CODEC_ID_MPEG4:
2098 if(CONFIG_MPEG4_ENCODER && s->partitioned_frame)
2099 ff_mpeg4_init_partitions(s);
2100 break;
2101 }
2102
2103 s->resync_mb_x=0;
2104 s->resync_mb_y=0;
2105 s->first_slice_line = 1;
2106 s->ptr_lastgob = s->pb.buf;
2107 for(mb_y= s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
2108 // printf("row %d at %X\n", s->mb_y, (int)s);
2109 s->mb_x=0;
2110 s->mb_y= mb_y;
2111
2112 ff_set_qscale(s, s->qscale);
2113 ff_init_block_index(s);
2114
2115 for(mb_x=0; mb_x < s->mb_width; mb_x++) {
2116 int xy= mb_y*s->mb_stride + mb_x; // removed const, H261 needs to adjust this
2117 int mb_type= s->mb_type[xy];
2118 // int d;
2119 int dmin= INT_MAX;
2120 int dir;
2121
2122 if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < MAX_MB_BYTES){
2123 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
2124 return -1;
2125 }
2126 if(s->data_partitioning){
2127 if( s->pb2 .buf_end - s->pb2 .buf - (put_bits_count(&s-> pb2)>>3) < MAX_MB_BYTES
2128 || s->tex_pb.buf_end - s->tex_pb.buf - (put_bits_count(&s->tex_pb )>>3) < MAX_MB_BYTES){
2129 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
2130 return -1;
2131 }
2132 }
2133
2134 s->mb_x = mb_x;
2135 s->mb_y = mb_y; // moved into loop, can get changed by H.261
2136 ff_update_block_index(s);
2137
2138 if(CONFIG_H261_ENCODER && s->codec_id == CODEC_ID_H261){
2139 ff_h261_reorder_mb_index(s);
2140 xy= s->mb_y*s->mb_stride + s->mb_x;
2141 mb_type= s->mb_type[xy];
2142 }
2143
2144 /* write gob / video packet header */
2145 if(s->rtp_mode){
2146 int current_packet_size, is_gob_start;
2147
2148 current_packet_size= ((put_bits_count(&s->pb)+7)>>3) - (s->ptr_lastgob - s->pb.buf);
2149
2150 is_gob_start= s->avctx->rtp_payload_size && current_packet_size >= s->avctx->rtp_payload_size && mb_y + mb_x>0;
2151
2152 if(s->start_mb_y == mb_y && mb_y > 0 && mb_x==0) is_gob_start=1;
2153
2154 switch(s->codec_id){
2155 case CODEC_ID_H263:
2156 case CODEC_ID_H263P:
2157 if(!s->h263_slice_structured)
2158 if(s->mb_x || s->mb_y%s->gob_index) is_gob_start=0;
2159 break;
2160 case CODEC_ID_MPEG2VIDEO:
2161 if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1;
2162 case CODEC_ID_MPEG1VIDEO:
2163 if(s->mb_skip_run) is_gob_start=0;
2164 break;
2165 }
2166
2167 if(is_gob_start){
2168 if(s->start_mb_y != mb_y || mb_x!=0){
2169 write_slice_end(s);
2170
2171 if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->partitioned_frame){
2172 ff_mpeg4_init_partitions(s);
2173 }
2174 }
2175
2176 assert((put_bits_count(&s->pb)&7) == 0);
2177 current_packet_size= put_bits_ptr(&s->pb) - s->ptr_lastgob;
2178
2179 if(s->avctx->error_rate && s->resync_mb_x + s->resync_mb_y > 0){
2180 int r= put_bits_count(&s->pb)/8 + s->picture_number + 16 + s->mb_x + s->mb_y;
2181 int d= 100 / s->avctx->error_rate;
2182 if(r % d == 0){
2183 current_packet_size=0;
2184 #ifndef ALT_BITSTREAM_WRITER
2185 s->pb.buf_ptr= s->ptr_lastgob;
2186 #endif
2187 assert(put_bits_ptr(&s->pb) == s->ptr_lastgob);
2188 }
2189 }
2190
2191 if (s->avctx->rtp_callback){
2192 int number_mb = (mb_y - s->resync_mb_y)*s->mb_width + mb_x - s->resync_mb_x;
2193 s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, current_packet_size, number_mb);
2194 }
2195
2196 switch(s->codec_id){
2197 case CODEC_ID_MPEG4:
2198 if (CONFIG_MPEG4_ENCODER) {
2199 ff_mpeg4_encode_video_packet_header(s);
2200 ff_mpeg4_clean_buffers(s);
2201 }
2202 break;
2203 case CODEC_ID_MPEG1VIDEO:
2204 case CODEC_ID_MPEG2VIDEO:
2205 if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER) {
2206 ff_mpeg1_encode_slice_header(s);
2207 ff_mpeg1_clean_buffers(s);
2208 }
2209 break;
2210 case CODEC_ID_H263:
2211 case CODEC_ID_H263P:
2212 if (CONFIG_H263_ENCODER)
2213 h263_encode_gob_header(s, mb_y);
2214 break;
2215 }
2216
2217 if(s->flags&CODEC_FLAG_PASS1){
2218 int bits= put_bits_count(&s->pb);
2219 s->misc_bits+= bits - s->last_bits;
2220 s->last_bits= bits;
2221 }
2222
2223 s->ptr_lastgob += current_packet_size;
2224 s->first_slice_line=1;
2225 s->resync_mb_x=mb_x;
2226 s->resync_mb_y=mb_y;
2227 }
2228 }
2229
2230 if( (s->resync_mb_x == s->mb_x)
2231 && s->resync_mb_y+1 == s->mb_y){
2232 s->first_slice_line=0;
2233 }
2234
2235 s->mb_skipped=0;
2236 s->dquant=0; //only for QP_RD
2237
2238 if(mb_type & (mb_type-1) || (s->flags & CODEC_FLAG_QP_RD)){ // more than 1 MB type possible or CODEC_FLAG_QP_RD
2239 int next_block=0;
2240 int pb_bits_count, pb2_bits_count, tex_pb_bits_count;
2241
2242 copy_context_before_encode(&backup_s, s, -1);
2243 backup_s.pb= s->pb;
2244 best_s.data_partitioning= s->data_partitioning;
2245 best_s.partitioned_frame= s->partitioned_frame;
2246 if(s->data_partitioning){
2247 backup_s.pb2= s->pb2;
2248 backup_s.tex_pb= s->tex_pb;
2249 }
2250
2251 if(mb_type&CANDIDATE_MB_TYPE_INTER){
2252 s->mv_dir = MV_DIR_FORWARD;
2253 s->mv_type = MV_TYPE_16X16;
2254 s->mb_intra= 0;
2255 s->mv[0][0][0] = s->p_mv_table[xy][0];
2256 s->mv[0][0][1] = s->p_mv_table[xy][1];
2257 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER, pb, pb2, tex_pb,
2258 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2259 }
2260 if(mb_type&CANDIDATE_MB_TYPE_INTER_I){
2261 s->mv_dir = MV_DIR_FORWARD;
2262 s->mv_type = MV_TYPE_FIELD;
2263 s->mb_intra= 0;
2264 for(i=0; i<2; i++){
2265 j= s->field_select[0][i] = s->p_field_select_table[i][xy];
2266 s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
2267 s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
2268 }
2269 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER_I, pb, pb2, tex_pb,
2270 &dmin, &next_block, 0, 0);
2271 }
2272 if(mb_type&CANDIDATE_MB_TYPE_SKIPPED){
2273 s->mv_dir = MV_DIR_FORWARD;
2274 s->mv_type = MV_TYPE_16X16;
2275 s->mb_intra= 0;
2276 s->mv[0][0][0] = 0;
2277 s->mv[0][0][1] = 0;
2278 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_SKIPPED, pb, pb2, tex_pb,
2279 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2280 }
2281 if(mb_type&CANDIDATE_MB_TYPE_INTER4V){
2282 s->mv_dir = MV_DIR_FORWARD;
2283 s->mv_type = MV_TYPE_8X8;
2284 s->mb_intra= 0;
2285 for(i=0; i<4; i++){
2286 s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
2287 s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
2288 }
2289 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER4V, pb, pb2, tex_pb,
2290 &dmin, &next_block, 0, 0);
2291 }
2292 if(mb_type&CANDIDATE_MB_TYPE_FORWARD){
2293 s->mv_dir = MV_DIR_FORWARD;
2294 s->mv_type = MV_TYPE_16X16;
2295 s->mb_intra= 0;
2296 s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
2297 s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
2298 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD, pb, pb2, tex_pb,
2299 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2300 }
2301 if(mb_type&CANDIDATE_MB_TYPE_BACKWARD){
2302 s->mv_dir = MV_DIR_BACKWARD;
2303 s->mv_type = MV_TYPE_16X16;
2304 s->mb_intra= 0;
2305 s->mv[1][0][0] = s->b_back_mv_table[xy][0];
2306 s->mv[1][0][1] = s->b_back_mv_table[xy][1];
2307 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD, pb, pb2, tex_pb,
2308 &dmin, &next_block, s->mv[1][0][0], s->mv[1][0][1]);
2309 }
2310 if(mb_type&CANDIDATE_MB_TYPE_BIDIR){
2311 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2312 s->mv_type = MV_TYPE_16X16;
2313 s->mb_intra= 0;
2314 s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
2315 s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
2316 s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
2317 s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
2318 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR, pb, pb2, tex_pb,
2319 &dmin, &next_block, 0, 0);
2320 }
2321 if(mb_type&CANDIDATE_MB_TYPE_FORWARD_I){
2322 s->mv_dir = MV_DIR_FORWARD;
2323 s->mv_type = MV_TYPE_FIELD;
2324 s->mb_intra= 0;
2325 for(i=0; i<2; i++){
2326 j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
2327 s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
2328 s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
2329 }
2330 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD_I, pb, pb2, tex_pb,
2331 &dmin, &next_block, 0, 0);
2332 }
2333 if(mb_type&CANDIDATE_MB_TYPE_BACKWARD_I){
2334 s->mv_dir = MV_DIR_BACKWARD;
2335 s->mv_type = MV_TYPE_FIELD;
2336 s->mb_intra= 0;
2337 for(i=0; i<2; i++){
2338 j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
2339 s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
2340 s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
2341 }
2342 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD_I, pb, pb2, tex_pb,
2343 &dmin, &next_block, 0, 0);
2344 }
2345 if(mb_type&CANDIDATE_MB_TYPE_BIDIR_I){
2346 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2347 s->mv_type = MV_TYPE_FIELD;
2348 s->mb_intra= 0;
2349 for(dir=0; dir<2; dir++){
2350 for(i=0; i<2; i++){
2351 j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
2352 s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
2353 s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
2354 }
2355 }
2356 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR_I, pb, pb2, tex_pb,
2357 &dmin, &next_block, 0, 0);
2358 }
2359 if(mb_type&CANDIDATE_MB_TYPE_INTRA){
2360 s->mv_dir = 0;
2361 s->mv_type = MV_TYPE_16X16;
2362 s->mb_intra= 1;
2363 s->mv[0][0][0] = 0;
2364 s->mv[0][0][1] = 0;
2365 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTRA, pb, pb2, tex_pb,
2366 &dmin, &next_block, 0, 0);
2367 if(s->h263_pred || s->h263_aic){
2368 if(best_s.mb_intra)
2369 s->mbintra_table[mb_x + mb_y*s->mb_stride]=1;
2370 else
2371 ff_clean_intra_table_entries(s); //old mode?
2372 }
2373 }
2374
2375 if((s->flags & CODEC_FLAG_QP_RD) && dmin < INT_MAX){
2376 if(best_s.mv_type==MV_TYPE_16X16){ //FIXME move 4mv after QPRD
2377 const int last_qp= backup_s.qscale;
2378 int qpi, qp, dc[6];
2379 DCTELEM ac[6][16];
2380 const int mvdir= (best_s.mv_dir&MV_DIR_BACKWARD) ? 1 : 0;
2381 static const int dquant_tab[4]={-1,1,-2,2};
2382
2383 assert(backup_s.dquant == 0);
2384
2385 //FIXME intra
2386 s->mv_dir= best_s.mv_dir;
2387 s->mv_type = MV_TYPE_16X16;
2388 s->mb_intra= best_s.mb_intra;
2389 s->mv[0][0][0] = best_s.mv[0][0][0];
2390 s->mv[0][0][1] = best_s.mv[0][0][1];
2391 s->mv[1][0][0] = best_s.mv[1][0][0];
2392 s->mv[1][0][1] = best_s.mv[1][0][1];
2393
2394 qpi = s->pict_type == FF_B_TYPE ? 2 : 0;
2395 for(; qpi<4; qpi++){
2396 int dquant= dquant_tab[qpi];
2397 qp= last_qp + dquant;
2398 if(qp < s->avctx->qmin || qp > s->avctx->qmax)
2399 continue;
2400 backup_s.dquant= dquant;
2401 if(s->mb_intra && s->dc_val[0]){
2402 for(i=0; i<6; i++){
2403 dc[i]= s->dc_val[0][ s->block_index[i] ];
2404 memcpy(ac[i], s->ac_val[0][s->block_index[i]], sizeof(DCTELEM)*16);
2405 }
2406 }
2407
2408 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
2409 &dmin, &next_block, s->mv[mvdir][0][0], s->mv[mvdir][0][1]);
2410 if(best_s.qscale != qp){
2411 if(s->mb_intra && s->dc_val[0]){
2412 for(i=0; i<6; i++){
2413 s->dc_val[0][ s->block_index[i] ]= dc[i];
2414 memcpy(s->ac_val[0][s->block_index[i]], ac[i], sizeof(DCTELEM)*16);
2415 }
2416 }
2417 }
2418 }
2419 }
2420 }
2421 if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT){
2422 int mx= s->b_direct_mv_table[xy][0];
2423 int my= s->b_direct_mv_table[xy][1];
2424
2425 backup_s.dquant = 0;
2426 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2427 s->mb_intra= 0;
2428 ff_mpeg4_set_direct_mv(s, mx, my);
2429 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
2430 &dmin, &next_block, mx, my);
2431 }
2432 if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT0){
2433 backup_s.dquant = 0;
2434 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2435 s->mb_intra= 0;
2436 ff_mpeg4_set_direct_mv(s, 0, 0);
2437 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
2438 &dmin, &next_block, 0, 0);
2439 }
2440 if(!best_s.mb_intra && s->flags2&CODEC_FLAG2_SKIP_RD){
2441 int coded=0;
2442 for(i=0; i<6; i++)
2443 coded |= s->block_last_index[i];
2444 if(coded){
2445 int mx,my;
2446 memcpy(s->mv, best_s.mv, sizeof(s->mv));
2447 if(CONFIG_MPEG4_ENCODER && best_s.mv_dir & MV_DIRECT){
2448 mx=my=0; //FIXME find the one we actually used
2449 ff_mpeg4_set_direct_mv(s, mx, my);
2450 }else if(best_s.mv_dir&MV_DIR_BACKWARD){
2451 mx= s->mv[1][0][0];
2452 my= s->mv[1][0][1];
2453 }else{
2454 mx= s->mv[0][0][0];
2455 my= s->mv[0][0][1];
2456 }
2457
2458 s->mv_dir= best_s.mv_dir;
2459 s->mv_type = best_s.mv_type;
2460 s->mb_intra= 0;
2461 /* s->mv[0][0][0] = best_s.mv[0][0][0];
2462 s->mv[0][0][1] = best_s.mv[0][0][1];
2463 s->mv[1][0][0] = best_s.mv[1][0][0];
2464 s->mv[1][0][1] = best_s.mv[1][0][1];*/
2465 backup_s.dquant= 0;
2466 s->skipdct=1;
2467 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
2468 &dmin, &next_block, mx, my);
2469 s->skipdct=0;
2470 }
2471 }
2472
2473 s->current_picture.qscale_table[xy]= best_s.qscale;
2474
2475 copy_context_after_encode(s, &best_s, -1);
2476
2477 pb_bits_count= put_bits_count(&s->pb);
2478 flush_put_bits(&s->pb);
2479 ff_copy_bits(&backup_s.pb, bit_buf[next_block^1], pb_bits_count);
2480 s->pb= backup_s.pb;
2481
2482 if(s->data_partitioning){
2483 pb2_bits_count= put_bits_count(&s->pb2);
2484 flush_put_bits(&s->pb2);
2485 ff_copy_bits(&backup_s.pb2, bit_buf2[next_block^1], pb2_bits_count);
2486 s->pb2= backup_s.pb2;
2487
2488 tex_pb_bits_count= put_bits_count(&s->tex_pb);
2489 flush_put_bits(&s->tex_pb);
2490 ff_copy_bits(&backup_s.tex_pb, bit_buf_tex[next_block^1], tex_pb_bits_count);
2491 s->tex_pb= backup_s.tex_pb;
2492 }
2493 s->last_bits= put_bits_count(&s->pb);
2494
2495 if (CONFIG_H263_ENCODER &&
2496 s->out_format == FMT_H263 && s->pict_type!=FF_B_TYPE)
2497 ff_h263_update_motion_val(s);
2498
2499 if(next_block==0){ //FIXME 16 vs linesize16
2500 s->dsp.put_pixels_tab[0][0](s->dest[0], s->rd_scratchpad , s->linesize ,16);
2501 s->dsp.put_pixels_tab[1][0](s->dest[1], s->rd_scratchpad + 16*s->linesize , s->uvlinesize, 8);
2502 s->dsp.put_pixels_tab[1][0](s->dest[2], s->rd_scratchpad + 16*s->linesize + 8, s->uvlinesize, 8);
2503 }
2504
2505 if(s->avctx->mb_decision == FF_MB_DECISION_BITS)
2506 MPV_decode_mb(s, s->block);
2507 } else {
2508 int motion_x = 0, motion_y = 0;
2509 s->mv_type=MV_TYPE_16X16;
2510 // only one MB-Type possible
2511
2512 switch(mb_type){
2513 case CANDIDATE_MB_TYPE_INTRA:
2514 s->mv_dir = 0;
2515 s->mb_intra= 1;
2516 motion_x= s->mv[0][0][0] = 0;
2517 motion_y= s->mv[0][0][1] = 0;
2518 break;
2519 case CANDIDATE_MB_TYPE_INTER:
2520 s->mv_dir = MV_DIR_FORWARD;
2521 s->mb_intra= 0;
2522 motion_x= s->mv[0][0][0] = s->p_mv_table[xy][0];
2523 motion_y= s->mv[0][0][1] = s->p_mv_table[xy][1];
2524 break;
2525 case CANDIDATE_MB_TYPE_INTER_I:
2526 s->mv_dir = MV_DIR_FORWARD;
2527 s->mv_type = MV_TYPE_FIELD;
2528 s->mb_intra= 0;
2529 for(i=0; i<2; i++){
2530 j= s->field_select[0][i] = s->p_field_select_table[i][xy];
2531 s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
2532 s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
2533 }
2534 break;
2535 case CANDIDATE_MB_TYPE_INTER4V:
2536 s->mv_dir = MV_DIR_FORWARD;
2537 s->mv_type = MV_TYPE_8X8;
2538 s->mb_intra= 0;
2539 for(i=0; i<4; i++){
2540 s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
2541 s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
2542 }
2543 break;
2544 case CANDIDATE_MB_TYPE_DIRECT:
2545 if (CONFIG_MPEG4_ENCODER) {
2546 s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT;
2547 s->mb_intra= 0;
2548 motion_x=s->b_direct_mv_table[xy][0];
2549 motion_y=s->b_direct_mv_table[xy][1];
2550 ff_mpeg4_set_direct_mv(s, motion_x, motion_y);
2551 }
2552 break;
2553 case CANDIDATE_MB_TYPE_DIRECT0:
2554 if (CONFIG_MPEG4_ENCODER) {
2555 s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT;
2556 s->mb_intra= 0;
2557 ff_mpeg4_set_direct_mv(s, 0, 0);
2558 }
2559 break;
2560 case CANDIDATE_MB_TYPE_BIDIR:
2561 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2562 s->mb_intra= 0;
2563 s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
2564 s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
2565 s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
2566 s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
2567 break;
2568 case CANDIDATE_MB_TYPE_BACKWARD:
2569 s->mv_dir = MV_DIR_BACKWARD;
2570 s->mb_intra= 0;
2571 motion_x= s->mv[1][0][0] = s->b_back_mv_table[xy][0];
2572 motion_y= s->mv[1][0][1] = s->b_back_mv_table[xy][1];
2573 break;
2574 case CANDIDATE_MB_TYPE_FORWARD:
2575 s->mv_dir = MV_DIR_FORWARD;
2576 s->mb_intra= 0;
2577 motion_x= s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
2578 motion_y= s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
2579 // printf(" %d %d ", motion_x, motion_y);
2580 break;
2581 case CANDIDATE_MB_TYPE_FORWARD_I:
2582 s->mv_dir = MV_DIR_FORWARD;
2583 s->mv_type = MV_TYPE_FIELD;
2584 s->mb_intra= 0;
2585 for(i=0; i<2; i++){
2586 j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
2587 s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
2588 s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
2589 }
2590 break;
2591 case CANDIDATE_MB_TYPE_BACKWARD_I:
2592 s->mv_dir = MV_DIR_BACKWARD;
2593 s->mv_type = MV_TYPE_FIELD;
2594 s->mb_intra= 0;
2595 for(i=0; i<2; i++){
2596 j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
2597 s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
2598 s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
2599 }
2600 break;
2601 case CANDIDATE_MB_TYPE_BIDIR_I:
2602 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2603 s->mv_type = MV_TYPE_FIELD;
2604 s->mb_intra= 0;
2605 for(dir=0; dir<2; dir++){
2606 for(i=0; i<2; i++){
2607 j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
2608 s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
2609 s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
2610 }
2611 }
2612 break;
2613 default:
2614 av_log(s->avctx, AV_LOG_ERROR, "illegal MB type\n");
2615 }
2616
2617 encode_mb(s, motion_x, motion_y);
2618
2619 // RAL: Update last macroblock type
2620 s->last_mv_dir = s->mv_dir;
2621
2622 if (CONFIG_H263_ENCODER &&
2623 s->out_format == FMT_H263 && s->pict_type!=FF_B_TYPE)
2624 ff_h263_update_motion_val(s);
2625
2626 MPV_decode_mb(s, s->block);
2627 }
2628
2629 /* clean the MV table in IPS frames for direct mode in B frames */
2630 if(s->mb_intra /* && I,P,S_TYPE */){
2631 s->p_mv_table[xy][0]=0;
2632 s->p_mv_table[xy][1]=0;
2633 }
2634
2635 if(s->flags&CODEC_FLAG_PSNR){
2636 int w= 16;
2637 int h= 16;
2638
2639 if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
2640 if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
2641
2642 s->current_picture.error[0] += sse(
2643 s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16,
2644 s->dest[0], w, h, s->linesize);
2645 s->current_picture.error[1] += sse(
2646 s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h,
2647 s->dest[1], w>>1, h>>s->chroma_y_shift, s->uvlinesize);
2648 s->current_picture.error[2] += sse(
2649 s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h,
2650 s->dest[2], w>>1, h>>s->chroma_y_shift, s->uvlinesize);
2651 }
2652 if(s->loop_filter){
2653 if(CONFIG_H263_ENCODER && s->out_format == FMT_H263)
2654 ff_h263_loop_filter(s);
2655 }
2656 //printf("MB %d %d bits\n", s->mb_x+s->mb_y*s->mb_stride, put_bits_count(&s->pb));
2657 }
2658 }
2659
2660 //not beautiful here but we must write it before flushing so it has to be here
2661 if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type == FF_I_TYPE)
2662 msmpeg4_encode_ext_header(s);
2663
2664 write_slice_end(s);
2665
2666 /* Send the last GOB if RTP */
2667 if (s->avctx->rtp_callback) {
2668 int number_mb = (mb_y - s->resync_mb_y)*s->mb_width - s->resync_mb_x;
2669 pdif = put_bits_ptr(&s->pb) - s->ptr_lastgob;
2670 /* Call the RTP callback to send the last GOB */
2671 emms_c();
2672 s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, pdif, number_mb);
2673 }
2674
2675 return 0;
2676 }
2677
2678 #define MERGE(field) dst->field += src->field; src->field=0
2679 static void merge_context_after_me(MpegEncContext *dst, MpegEncContext *src){
2680 MERGE(me.scene_change_score);
2681 MERGE(me.mc_mb_var_sum_temp);
2682 MERGE(me.mb_var_sum_temp);
2683 }
2684
2685 static void merge_context_after_encode(MpegEncContext *dst, MpegEncContext *src){
2686 int i;
2687
2688 MERGE(dct_count[0]); //note, the other dct vars are not part of the context
2689 MERGE(dct_count[1]);
2690 MERGE(mv_bits);
2691 MERGE(i_tex_bits);
2692 MERGE(p_tex_bits);
2693 MERGE(i_count);
2694 MERGE(f_count);
2695 MERGE(b_count);
2696 MERGE(skip_count);
2697 MERGE(misc_bits);
2698 MERGE(error_count);
2699 MERGE(padding_bug_score);
2700 MERGE(current_picture.error[0]);
2701 MERGE(current_picture.error[1]);
2702 MERGE(current_picture.error[2]);
2703
2704 if(dst->avctx->noise_reduction){
2705 for(i=0; i<64; i++){
2706 MERGE(dct_error_sum[0][i]);
2707 MERGE(dct_error_sum[1][i]);
2708 }
2709 }
2710
2711 assert(put_bits_count(&src->pb) % 8 ==0);
2712 assert(put_bits_count(&dst->pb) % 8 ==0);
2713 ff_copy_bits(&dst->pb, src->pb.buf, put_bits_count(&src->pb));
2714 flush_put_bits(&dst->pb);
2715 }
2716
2717 static int estimate_qp(MpegEncContext *s, int dry_run){
2718 if (s->next_lambda){
2719 s->current_picture_ptr->quality=
2720 s->current_picture.quality = s->next_lambda;
2721 if(!dry_run) s->next_lambda= 0;
2722 } else if (!s->fixed_qscale) {
2723 s->current_picture_ptr->quality=
2724 s->current_picture.quality = ff_rate_estimate_qscale(s, dry_run);