127b9923fefc6214ac25886902a0a41101444d1f
[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 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 "h263.h"
35 #include "mjpegenc.h"
36 #include "msmpeg4.h"
37 #include "faandct.h"
38 #include "aandcttab.h"
39 #include "flv.h"
40 #include "mpeg4video.h"
41 #include "internal.h"
42 #include <limits.h>
43
44 //#undef NDEBUG
45 //#include <assert.h>
46
47 static int encode_picture(MpegEncContext *s, int picture_number);
48 static int dct_quantize_refine(MpegEncContext *s, DCTELEM *block, int16_t *weight, DCTELEM *orig, int n, int qscale);
49 static int sse_mb(MpegEncContext *s);
50
51 /* enable all paranoid tests for rounding, overflows, etc... */
52 //#define PARANOID
53
54 //#define DEBUG
55
56 static uint8_t default_mv_penalty[MAX_FCODE+1][MAX_MV*2+1];
57 static uint8_t default_fcode_tab[MAX_MV*2+1];
58
59 void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64],
60 const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra)
61 {
62 int qscale;
63 int shift=0;
64
65 for(qscale=qmin; qscale<=qmax; qscale++){
66 int i;
67 if (dsp->fdct == ff_jpeg_fdct_islow
68 #ifdef FAAN_POSTSCALE
69 || dsp->fdct == ff_faandct
70 #endif
71 ) {
72 for(i=0;i<64;i++) {
73 const int j= dsp->idct_permutation[i];
74 /* 16 <= qscale * quant_matrix[i] <= 7905 */
75 /* 19952 <= ff_aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
76 /* (1 << 36) / 19952 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= (1 << 36) / 249205026 */
77 /* 3444240 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= 275 */
78
79 qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) /
80 (qscale * quant_matrix[j]));
81 }
82 } else if (dsp->fdct == fdct_ifast
83 #ifndef FAAN_POSTSCALE
84 || dsp->fdct == ff_faandct
85 #endif
86 ) {
87 for(i=0;i<64;i++) {
88 const int j= dsp->idct_permutation[i];
89 /* 16 <= qscale * quant_matrix[i] <= 7905 */
90 /* 19952 <= ff_aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
91 /* (1 << 36) / 19952 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
92 /* 3444240 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= 275 */
93
94 qmat[qscale][i] = (int)((UINT64_C(1) << (QMAT_SHIFT + 14)) /
95 (ff_aanscales[i] * qscale * quant_matrix[j]));
96 }
97 } else {
98 for(i=0;i<64;i++) {
99 const int j= dsp->idct_permutation[i];
100 /* We can safely suppose that 16 <= quant_matrix[i] <= 255
101 So 16 <= qscale * quant_matrix[i] <= 7905
102 so (1<<19) / 16 >= (1<<19) / (qscale * quant_matrix[i]) >= (1<<19) / 7905
103 so 32768 >= (1<<19) / (qscale * quant_matrix[i]) >= 67
104 */
105 qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) / (qscale * quant_matrix[j]));
106 // qmat [qscale][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[i]);
107 qmat16[qscale][0][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[j]);
108
109 if(qmat16[qscale][0][i]==0 || qmat16[qscale][0][i]==128*256) qmat16[qscale][0][i]=128*256-1;
110 qmat16[qscale][1][i]= ROUNDED_DIV(bias<<(16-QUANT_BIAS_SHIFT), qmat16[qscale][0][i]);
111 }
112 }
113
114 for(i=intra; i<64; i++){
115 int64_t max= 8191;
116 if (dsp->fdct == fdct_ifast
117 #ifndef FAAN_POSTSCALE
118 || dsp->fdct == ff_faandct
119 #endif
120 ) {
121 max = (8191LL*ff_aanscales[i]) >> 14;
122 }
123 while(((max * qmat[qscale][i]) >> shift) > INT_MAX){
124 shift++;
125 }
126 }
127 }
128 if(shift){
129 av_log(NULL, AV_LOG_INFO, "Warning, QMAT_SHIFT is larger than %d, overflows possible\n", QMAT_SHIFT - shift);
130 }
131 }
132
133 static inline void update_qscale(MpegEncContext *s){
134 s->qscale= (s->lambda*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
135 s->qscale= av_clip(s->qscale, s->avctx->qmin, s->avctx->qmax);
136
137 s->lambda2= (s->lambda*s->lambda + FF_LAMBDA_SCALE/2) >> FF_LAMBDA_SHIFT;
138 }
139
140 void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix){
141 int i;
142
143 if(matrix){
144 put_bits(pb, 1, 1);
145 for(i=0;i<64;i++) {
146 put_bits(pb, 8, matrix[ ff_zigzag_direct[i] ]);
147 }
148 }else
149 put_bits(pb, 1, 0);
150 }
151
152 /**
153 * init s->current_picture.qscale_table from s->lambda_table
154 */
155 void ff_init_qscale_tab(MpegEncContext *s){
156 int8_t * const qscale_table= s->current_picture.qscale_table;
157 int i;
158
159 for(i=0; i<s->mb_num; i++){
160 unsigned int lam= s->lambda_table[ s->mb_index2xy[i] ];
161 int qp= (lam*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
162 qscale_table[ s->mb_index2xy[i] ]= av_clip(qp, s->avctx->qmin, s->avctx->qmax);
163 }
164 }
165
166 static void copy_picture_attributes(MpegEncContext *s, AVFrame *dst, AVFrame *src){
167 int i;
168
169 dst->pict_type = src->pict_type;
170 dst->quality = src->quality;
171 dst->coded_picture_number = src->coded_picture_number;
172 dst->display_picture_number = src->display_picture_number;
173 // dst->reference = src->reference;
174 dst->pts = src->pts;
175 dst->interlaced_frame = src->interlaced_frame;
176 dst->top_field_first = src->top_field_first;
177
178 if(s->avctx->me_threshold){
179 if(!src->motion_val[0])
180 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_val not set!\n");
181 if(!src->mb_type)
182 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.mb_type not set!\n");
183 if(!src->ref_index[0])
184 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.ref_index not set!\n");
185 if(src->motion_subsample_log2 != dst->motion_subsample_log2)
186 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_subsample_log2 doesn't match! (%d!=%d)\n",
187 src->motion_subsample_log2, dst->motion_subsample_log2);
188
189 memcpy(dst->mb_type, src->mb_type, s->mb_stride * s->mb_height * sizeof(dst->mb_type[0]));
190
191 for(i=0; i<2; i++){
192 int stride= ((16*s->mb_width )>>src->motion_subsample_log2) + 1;
193 int height= ((16*s->mb_height)>>src->motion_subsample_log2);
194
195 if(src->motion_val[i] && src->motion_val[i] != dst->motion_val[i]){
196 memcpy(dst->motion_val[i], src->motion_val[i], 2*stride*height*sizeof(int16_t));
197 }
198 if(src->ref_index[i] && src->ref_index[i] != dst->ref_index[i]){
199 memcpy(dst->ref_index[i], src->ref_index[i], s->b8_stride*2*s->mb_height*sizeof(int8_t));
200 }
201 }
202 }
203 }
204
205 static void update_duplicate_context_after_me(MpegEncContext *dst, MpegEncContext *src){
206 #define COPY(a) dst->a= src->a
207 COPY(pict_type);
208 COPY(current_picture);
209 COPY(f_code);
210 COPY(b_code);
211 COPY(qscale);
212 COPY(lambda);
213 COPY(lambda2);
214 COPY(picture_in_gop_number);
215 COPY(gop_picture_number);
216 COPY(frame_pred_frame_dct); //FIXME don't set in encode_header
217 COPY(progressive_frame); //FIXME don't set in encode_header
218 COPY(partitioned_frame); //FIXME don't set in encode_header
219 #undef COPY
220 }
221
222 /**
223 * sets the given MpegEncContext to defaults for encoding.
224 * the changed fields will not depend upon the prior state of the MpegEncContext.
225 */
226 static void MPV_encode_defaults(MpegEncContext *s){
227 int i;
228 MPV_common_defaults(s);
229
230 for(i=-16; i<16; i++){
231 default_fcode_tab[i + MAX_MV]= 1;
232 }
233 s->me.mv_penalty= default_mv_penalty;
234 s->fcode_tab= default_fcode_tab;
235 }
236
237 /* init video encoder */
238 av_cold int MPV_encode_init(AVCodecContext *avctx)
239 {
240 MpegEncContext *s = avctx->priv_data;
241 int i;
242 int chroma_h_shift, chroma_v_shift;
243
244 MPV_encode_defaults(s);
245
246 switch (avctx->codec_id) {
247 case CODEC_ID_MPEG2VIDEO:
248 if(avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P){
249 av_log(avctx, AV_LOG_ERROR, "only YUV420 and YUV422 are supported\n");
250 return -1;
251 }
252 break;
253 case CODEC_ID_LJPEG:
254 case CODEC_ID_MJPEG:
255 if(avctx->pix_fmt != PIX_FMT_YUVJ420P && avctx->pix_fmt != PIX_FMT_YUVJ422P && avctx->pix_fmt != PIX_FMT_RGB32 &&
256 ((avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P) || avctx->strict_std_compliance>FF_COMPLIANCE_INOFFICIAL)){
257 av_log(avctx, AV_LOG_ERROR, "colorspace not supported in jpeg\n");
258 return -1;
259 }
260 break;
261 default:
262 if(avctx->pix_fmt != PIX_FMT_YUV420P){
263 av_log(avctx, AV_LOG_ERROR, "only YUV420 is supported\n");
264 return -1;
265 }
266 }
267
268 switch (avctx->pix_fmt) {
269 case PIX_FMT_YUVJ422P:
270 case PIX_FMT_YUV422P:
271 s->chroma_format = CHROMA_422;
272 break;
273 case PIX_FMT_YUVJ420P:
274 case PIX_FMT_YUV420P:
275 default:
276 s->chroma_format = CHROMA_420;
277 break;
278 }
279
280 s->bit_rate = avctx->bit_rate;
281 s->width = avctx->width;
282 s->height = avctx->height;
283 if(avctx->gop_size > 600 && avctx->strict_std_compliance>FF_COMPLIANCE_EXPERIMENTAL){
284 av_log(avctx, AV_LOG_ERROR, "Warning keyframe interval too large! reducing it ...\n");
285 avctx->gop_size=600;
286 }
287 s->gop_size = avctx->gop_size;
288 s->avctx = avctx;
289 s->flags= avctx->flags;
290 s->flags2= avctx->flags2;
291 s->max_b_frames= avctx->max_b_frames;
292 s->codec_id= avctx->codec->id;
293 s->luma_elim_threshold = avctx->luma_elim_threshold;
294 s->chroma_elim_threshold= avctx->chroma_elim_threshold;
295 s->strict_std_compliance= avctx->strict_std_compliance;
296 s->data_partitioning= avctx->flags & CODEC_FLAG_PART;
297 s->quarter_sample= (avctx->flags & CODEC_FLAG_QPEL)!=0;
298 s->mpeg_quant= avctx->mpeg_quant;
299 s->rtp_mode= !!avctx->rtp_payload_size;
300 s->intra_dc_precision= avctx->intra_dc_precision;
301 s->user_specified_pts = AV_NOPTS_VALUE;
302
303 if (s->gop_size <= 1) {
304 s->intra_only = 1;
305 s->gop_size = 12;
306 } else {
307 s->intra_only = 0;
308 }
309
310 s->me_method = avctx->me_method;
311
312 /* Fixed QSCALE */
313 s->fixed_qscale = !!(avctx->flags & CODEC_FLAG_QSCALE);
314
315 s->adaptive_quant= ( s->avctx->lumi_masking
316 || s->avctx->dark_masking
317 || s->avctx->temporal_cplx_masking
318 || s->avctx->spatial_cplx_masking
319 || s->avctx->p_masking
320 || s->avctx->border_masking
321 || (s->flags&CODEC_FLAG_QP_RD))
322 && !s->fixed_qscale;
323
324 s->obmc= !!(s->flags & CODEC_FLAG_OBMC);
325 s->loop_filter= !!(s->flags & CODEC_FLAG_LOOP_FILTER);
326 s->alternate_scan= !!(s->flags & CODEC_FLAG_ALT_SCAN);
327 s->intra_vlc_format= !!(s->flags2 & CODEC_FLAG2_INTRA_VLC);
328 s->q_scale_type= !!(s->flags2 & CODEC_FLAG2_NON_LINEAR_QUANT);
329
330 if(avctx->rc_max_rate && !avctx->rc_buffer_size){
331 av_log(avctx, AV_LOG_ERROR, "a vbv buffer size is needed, for encoding with a maximum bitrate\n");
332 return -1;
333 }
334
335 if(avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate){
336 av_log(avctx, AV_LOG_INFO, "Warning min_rate > 0 but min_rate != max_rate isn't recommended!\n");
337 }
338
339 if(avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate){
340 av_log(avctx, AV_LOG_ERROR, "bitrate below min bitrate\n");
341 return -1;
342 }
343
344 if(avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate){
345 av_log(avctx, AV_LOG_INFO, "bitrate above max bitrate\n");
346 return -1;
347 }
348
349 if(avctx->rc_max_rate && avctx->rc_max_rate == avctx->bit_rate && avctx->rc_max_rate != avctx->rc_min_rate){
350 av_log(avctx, AV_LOG_INFO, "impossible bitrate constraints, this will fail\n");
351 }
352
353 if(avctx->rc_buffer_size && avctx->bit_rate*av_q2d(avctx->time_base) > avctx->rc_buffer_size){
354 av_log(avctx, AV_LOG_ERROR, "VBV buffer too small for bitrate\n");
355 return -1;
356 }
357
358 if(avctx->bit_rate*av_q2d(avctx->time_base) > avctx->bit_rate_tolerance){
359 av_log(avctx, AV_LOG_ERROR, "bitrate tolerance too small for bitrate\n");
360 return -1;
361 }
362
363 if( s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate
364 && (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO)
365 && 90000LL * (avctx->rc_buffer_size-1) > s->avctx->rc_max_rate*0xFFFFLL){
366
367 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");
368 }
369
370 if((s->flags & CODEC_FLAG_4MV) && s->codec_id != CODEC_ID_MPEG4
371 && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P && s->codec_id != CODEC_ID_FLV1){
372 av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n");
373 return -1;
374 }
375
376 if(s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE){
377 av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with simple mb decision\n");
378 return -1;
379 }
380
381 if(s->obmc && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P){
382 av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with H263(+)\n");
383 return -1;
384 }
385
386 if(s->quarter_sample && s->codec_id != CODEC_ID_MPEG4){
387 av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n");
388 return -1;
389 }
390
391 if(s->data_partitioning && s->codec_id != CODEC_ID_MPEG4){
392 av_log(avctx, AV_LOG_ERROR, "data partitioning not supported by codec\n");
393 return -1;
394 }
395
396 if(s->max_b_frames && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO){
397 av_log(avctx, AV_LOG_ERROR, "b frames not supported by codec\n");
398 return -1;
399 }
400
401 if ((s->codec_id == CODEC_ID_MPEG4 || s->codec_id == CODEC_ID_H263 ||
402 s->codec_id == CODEC_ID_H263P) &&
403 (avctx->sample_aspect_ratio.num > 255 || avctx->sample_aspect_ratio.den > 255)) {
404 av_log(avctx, AV_LOG_ERROR, "Invalid pixel aspect ratio %i/%i, limit is 255/255\n",
405 avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den);
406 return -1;
407 }
408
409 if((s->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN))
410 && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG2VIDEO){
411 av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n");
412 return -1;
413 }
414
415 if(s->mpeg_quant && s->codec_id != CODEC_ID_MPEG4){ //FIXME mpeg2 uses that too
416 av_log(avctx, AV_LOG_ERROR, "mpeg2 style quantization not supported by codec\n");
417 return -1;
418 }
419
420 if((s->flags & CODEC_FLAG_CBP_RD) && !avctx->trellis){
421 av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n");
422 return -1;
423 }
424
425 if((s->flags & CODEC_FLAG_QP_RD) && s->avctx->mb_decision != FF_MB_DECISION_RD){
426 av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n");
427 return -1;
428 }
429
430 if(s->avctx->scenechange_threshold < 1000000000 && (s->flags & CODEC_FLAG_CLOSED_GOP)){
431 av_log(avctx, AV_LOG_ERROR, "closed gop with scene change detection are not supported yet, set threshold to 1000000000\n");
432 return -1;
433 }
434
435 if((s->flags2 & CODEC_FLAG2_INTRA_VLC) && s->codec_id != CODEC_ID_MPEG2VIDEO){
436 av_log(avctx, AV_LOG_ERROR, "intra vlc table not supported by codec\n");
437 return -1;
438 }
439
440 if(s->flags & CODEC_FLAG_LOW_DELAY){
441 if (s->codec_id != CODEC_ID_MPEG2VIDEO){
442 av_log(avctx, AV_LOG_ERROR, "low delay forcing is only available for mpeg2\n");
443 return -1;
444 }
445 if (s->max_b_frames != 0){
446 av_log(avctx, AV_LOG_ERROR, "b frames cannot be used with low delay\n");
447 return -1;
448 }
449 }
450
451 if(s->q_scale_type == 1){
452 if(s->codec_id != CODEC_ID_MPEG2VIDEO){
453 av_log(avctx, AV_LOG_ERROR, "non linear quant is only available for mpeg2\n");
454 return -1;
455 }
456 if(avctx->qmax > 12){
457 av_log(avctx, AV_LOG_ERROR, "non linear quant only supports qmax <= 12 currently\n");
458 return -1;
459 }
460 }
461
462 if(s->avctx->thread_count > 1 && s->codec_id != CODEC_ID_MPEG4
463 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO
464 && (s->codec_id != CODEC_ID_H263P || !(s->flags & CODEC_FLAG_H263P_SLICE_STRUCT))){
465 av_log(avctx, AV_LOG_ERROR, "multi threaded encoding not supported by codec\n");
466 return -1;
467 }
468
469 if(s->avctx->thread_count < 1){
470 av_log(avctx, AV_LOG_ERROR, "automatic thread number detection not supported by codec, patch welcome\n");
471 return -1;
472 }
473
474 if(s->avctx->thread_count > 1)
475 s->rtp_mode= 1;
476
477 if(!avctx->time_base.den || !avctx->time_base.num){
478 av_log(avctx, AV_LOG_ERROR, "framerate not set\n");
479 return -1;
480 }
481
482 i= (INT_MAX/2+128)>>8;
483 if(avctx->me_threshold >= i){
484 av_log(avctx, AV_LOG_ERROR, "me_threshold too large, max is %d\n", i - 1);
485 return -1;
486 }
487 if(avctx->mb_threshold >= i){
488 av_log(avctx, AV_LOG_ERROR, "mb_threshold too large, max is %d\n", i - 1);
489 return -1;
490 }
491
492 if(avctx->b_frame_strategy && (avctx->flags&CODEC_FLAG_PASS2)){
493 av_log(avctx, AV_LOG_INFO, "notice: b_frame_strategy only affects the first pass\n");
494 avctx->b_frame_strategy = 0;
495 }
496
497 i= av_gcd(avctx->time_base.den, avctx->time_base.num);
498 if(i > 1){
499 av_log(avctx, AV_LOG_INFO, "removing common factors from framerate\n");
500 avctx->time_base.den /= i;
501 avctx->time_base.num /= i;
502 // return -1;
503 }
504
505 if(s->codec_id==CODEC_ID_MJPEG){
506 s->intra_quant_bias= 1<<(QUANT_BIAS_SHIFT-1); //(a + x/2)/x
507 s->inter_quant_bias= 0;
508 }else if(s->mpeg_quant || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO){
509 s->intra_quant_bias= 3<<(QUANT_BIAS_SHIFT-3); //(a + x*3/8)/x
510 s->inter_quant_bias= 0;
511 }else{
512 s->intra_quant_bias=0;
513 s->inter_quant_bias=-(1<<(QUANT_BIAS_SHIFT-2)); //(a - x/4)/x
514 }
515
516 if(avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS)
517 s->intra_quant_bias= avctx->intra_quant_bias;
518 if(avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS)
519 s->inter_quant_bias= avctx->inter_quant_bias;
520
521 avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift);
522
523 if(avctx->codec_id == CODEC_ID_MPEG4 && s->avctx->time_base.den > (1<<16)-1){
524 av_log(avctx, AV_LOG_ERROR, "timebase not supported by mpeg 4 standard\n");
525 return -1;
526 }
527 s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1;
528
529 switch(avctx->codec->id) {
530 case CODEC_ID_MPEG1VIDEO:
531 s->out_format = FMT_MPEG1;
532 s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY);
533 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
534 break;
535 case CODEC_ID_MPEG2VIDEO:
536 s->out_format = FMT_MPEG1;
537 s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY);
538 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
539 s->rtp_mode= 1;
540 break;
541 case CODEC_ID_LJPEG:
542 case CODEC_ID_MJPEG:
543 s->out_format = FMT_MJPEG;
544 s->intra_only = 1; /* force intra only for jpeg */
545 if(avctx->codec->id == CODEC_ID_LJPEG && avctx->pix_fmt == PIX_FMT_BGRA){
546 s->mjpeg_vsample[0] = s->mjpeg_hsample[0] =
547 s->mjpeg_vsample[1] = s->mjpeg_hsample[1] =
548 s->mjpeg_vsample[2] = s->mjpeg_hsample[2] = 1;
549 }else{
550 s->mjpeg_vsample[0] = 2;
551 s->mjpeg_vsample[1] = 2>>chroma_v_shift;
552 s->mjpeg_vsample[2] = 2>>chroma_v_shift;
553 s->mjpeg_hsample[0] = 2;
554 s->mjpeg_hsample[1] = 2>>chroma_h_shift;
555 s->mjpeg_hsample[2] = 2>>chroma_h_shift;
556 }
557 if (!(CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER)
558 || ff_mjpeg_encode_init(s) < 0)
559 return -1;
560 avctx->delay=0;
561 s->low_delay=1;
562 break;
563 case CODEC_ID_H261:
564 if (!CONFIG_H261_ENCODER) return -1;
565 if (ff_h261_get_picture_format(s->width, s->height) < 0) {
566 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);
567 return -1;
568 }
569 s->out_format = FMT_H261;
570 avctx->delay=0;
571 s->low_delay=1;
572 break;
573 case CODEC_ID_H263:
574 if (!CONFIG_H263_ENCODER) return -1;
575 if (ff_match_2uint16(h263_format, FF_ARRAY_ELEMS(h263_format), s->width, s->height) == 7) {
576 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);
577 return -1;
578 }
579 s->out_format = FMT_H263;
580 s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
581 avctx->delay=0;
582 s->low_delay=1;
583 break;
584 case CODEC_ID_H263P:
585 s->out_format = FMT_H263;
586 s->h263_plus = 1;
587 /* Fx */
588 s->umvplus = (avctx->flags & CODEC_FLAG_H263P_UMV) ? 1:0;
589 s->h263_aic= (avctx->flags & CODEC_FLAG_AC_PRED) ? 1:0;
590 s->modified_quant= s->h263_aic;
591 s->alt_inter_vlc= (avctx->flags & CODEC_FLAG_H263P_AIV) ? 1:0;
592 s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
593 s->loop_filter= (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1:0;
594 s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
595 s->h263_slice_structured= (s->flags & CODEC_FLAG_H263P_SLICE_STRUCT) ? 1:0;
596
597 /* /Fx */
598 /* These are just to be sure */
599 avctx->delay=0;
600 s->low_delay=1;
601 break;
602 case CODEC_ID_FLV1:
603 s->out_format = FMT_H263;
604 s->h263_flv = 2; /* format = 1; 11-bit codes */
605 s->unrestricted_mv = 1;
606 s->rtp_mode=0; /* don't allow GOB */
607 avctx->delay=0;
608 s->low_delay=1;
609 break;
610 case CODEC_ID_RV10:
611 s->out_format = FMT_H263;
612 avctx->delay=0;
613 s->low_delay=1;
614 break;
615 case CODEC_ID_RV20:
616 s->out_format = FMT_H263;
617 avctx->delay=0;
618 s->low_delay=1;
619 s->modified_quant=1;
620 s->h263_aic=1;
621 s->h263_plus=1;
622 s->loop_filter=1;
623 s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
624 break;
625 case CODEC_ID_MPEG4:
626 s->out_format = FMT_H263;
627 s->h263_pred = 1;
628 s->unrestricted_mv = 1;
629 s->low_delay= s->max_b_frames ? 0 : 1;
630 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
631 break;
632 case CODEC_ID_MSMPEG4V1:
633 s->out_format = FMT_H263;
634 s->h263_msmpeg4 = 1;
635 s->h263_pred = 1;
636 s->unrestricted_mv = 1;
637 s->msmpeg4_version= 1;
638 avctx->delay=0;
639 s->low_delay=1;
640 break;
641 case CODEC_ID_MSMPEG4V2:
642 s->out_format = FMT_H263;
643 s->h263_msmpeg4 = 1;
644 s->h263_pred = 1;
645 s->unrestricted_mv = 1;
646 s->msmpeg4_version= 2;
647 avctx->delay=0;
648 s->low_delay=1;
649 break;
650 case CODEC_ID_MSMPEG4V3:
651 s->out_format = FMT_H263;
652 s->h263_msmpeg4 = 1;
653 s->h263_pred = 1;
654 s->unrestricted_mv = 1;
655 s->msmpeg4_version= 3;
656 s->flipflop_rounding=1;
657 avctx->delay=0;
658 s->low_delay=1;
659 break;
660 case CODEC_ID_WMV1:
661 s->out_format = FMT_H263;
662 s->h263_msmpeg4 = 1;
663 s->h263_pred = 1;
664 s->unrestricted_mv = 1;
665 s->msmpeg4_version= 4;
666 s->flipflop_rounding=1;
667 avctx->delay=0;
668 s->low_delay=1;
669 break;
670 case CODEC_ID_WMV2:
671 s->out_format = FMT_H263;
672 s->h263_msmpeg4 = 1;
673 s->h263_pred = 1;
674 s->unrestricted_mv = 1;
675 s->msmpeg4_version= 5;
676 s->flipflop_rounding=1;
677 avctx->delay=0;
678 s->low_delay=1;
679 break;
680 default:
681 return -1;
682 }
683
684 avctx->has_b_frames= !s->low_delay;
685
686 s->encoding = 1;
687
688 s->progressive_frame=
689 s->progressive_sequence= !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN));
690
691 /* init */
692 if (MPV_common_init(s) < 0)
693 return -1;
694
695 if(!s->dct_quantize)
696 s->dct_quantize = dct_quantize_c;
697 if(!s->denoise_dct)
698 s->denoise_dct = denoise_dct_c;
699 s->fast_dct_quantize = s->dct_quantize;
700 if(avctx->trellis)
701 s->dct_quantize = dct_quantize_trellis_c;
702
703 if((CONFIG_H263P_ENCODER || CONFIG_RV20_ENCODER) && s->modified_quant)
704 s->chroma_qscale_table= ff_h263_chroma_qscale_table;
705
706 s->quant_precision=5;
707
708 ff_set_cmp(&s->dsp, s->dsp.ildct_cmp, s->avctx->ildct_cmp);
709 ff_set_cmp(&s->dsp, s->dsp.frame_skip_cmp, s->avctx->frame_skip_cmp);
710
711 if (CONFIG_H261_ENCODER && s->out_format == FMT_H261)
712 ff_h261_encode_init(s);
713 if (CONFIG_H263_ENCODER && s->out_format == FMT_H263)
714 h263_encode_init(s);
715 if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version)
716 ff_msmpeg4_encode_init(s);
717 if ((CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
718 && s->out_format == FMT_MPEG1)
719 ff_mpeg1_encode_init(s);
720
721 /* init q matrix */
722 for(i=0;i<64;i++) {
723 int j= s->dsp.idct_permutation[i];
724 if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->mpeg_quant){
725 s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i];
726 s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i];
727 }else if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
728 s->intra_matrix[j] =
729 s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
730 }else
731 { /* mpeg1/2 */
732 s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i];
733 s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
734 }
735 if(s->avctx->intra_matrix)
736 s->intra_matrix[j] = s->avctx->intra_matrix[i];
737 if(s->avctx->inter_matrix)
738 s->inter_matrix[j] = s->avctx->inter_matrix[i];
739 }
740
741 /* precompute matrix */
742 /* for mjpeg, we do include qscale in the matrix */
743 if (s->out_format != FMT_MJPEG) {
744 ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
745 s->intra_matrix, s->intra_quant_bias, avctx->qmin, 31, 1);
746 ff_convert_matrix(&s->dsp, s->q_inter_matrix, s->q_inter_matrix16,
747 s->inter_matrix, s->inter_quant_bias, avctx->qmin, 31, 0);
748 }
749
750 if(ff_rate_control_init(s) < 0)
751 return -1;
752
753 return 0;
754 }
755
756 av_cold int MPV_encode_end(AVCodecContext *avctx)
757 {
758 MpegEncContext *s = avctx->priv_data;
759
760 ff_rate_control_uninit(s);
761
762 MPV_common_end(s);
763 if ((CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER) && s->out_format == FMT_MJPEG)
764 ff_mjpeg_encode_close(s);
765
766 av_freep(&avctx->extradata);
767
768 return 0;
769 }
770
771 static int get_sae(uint8_t *src, int ref, int stride){
772 int x,y;
773 int acc=0;
774
775 for(y=0; y<16; y++){
776 for(x=0; x<16; x++){
777 acc+= FFABS(src[x+y*stride] - ref);
778 }
779 }
780
781 return acc;
782 }
783
784 static int get_intra_count(MpegEncContext *s, uint8_t *src, uint8_t *ref, int stride){
785 int x, y, w, h;
786 int acc=0;
787
788 w= s->width &~15;
789 h= s->height&~15;
790
791 for(y=0; y<h; y+=16){
792 for(x=0; x<w; x+=16){
793 int offset= x + y*stride;
794 int sad = s->dsp.sad[0](NULL, src + offset, ref + offset, stride, 16);
795 int mean= (s->dsp.pix_sum(src + offset, stride) + 128)>>8;
796 int sae = get_sae(src + offset, mean, stride);
797
798 acc+= sae + 500 < sad;
799 }
800 }
801 return acc;
802 }
803
804
805 static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg){
806 AVFrame *pic=NULL;
807 int64_t pts;
808 int i;
809 const int encoding_delay= s->max_b_frames;
810 int direct=1;
811
812 if(pic_arg){
813 pts= pic_arg->pts;
814 pic_arg->display_picture_number= s->input_picture_number++;
815
816 if(pts != AV_NOPTS_VALUE){
817 if(s->user_specified_pts != AV_NOPTS_VALUE){
818 int64_t time= pts;
819 int64_t last= s->user_specified_pts;
820
821 if(time <= last){
822 av_log(s->avctx, AV_LOG_ERROR, "Error, Invalid timestamp=%"PRId64", last=%"PRId64"\n", pts, s->user_specified_pts);
823 return -1;
824 }
825 }
826 s->user_specified_pts= pts;
827 }else{
828 if(s->user_specified_pts != AV_NOPTS_VALUE){
829 s->user_specified_pts=
830 pts= s->user_specified_pts + 1;
831 av_log(s->avctx, AV_LOG_INFO, "Warning: AVFrame.pts=? trying to guess (%"PRId64")\n", pts);
832 }else{
833 pts= pic_arg->display_picture_number;
834 }
835 }
836 }
837
838 if(pic_arg){
839 if(encoding_delay && !(s->flags&CODEC_FLAG_INPUT_PRESERVED)) direct=0;
840 if(pic_arg->linesize[0] != s->linesize) direct=0;
841 if(pic_arg->linesize[1] != s->uvlinesize) direct=0;
842 if(pic_arg->linesize[2] != s->uvlinesize) direct=0;
843
844 // av_log(AV_LOG_DEBUG, "%d %d %d %d\n",pic_arg->linesize[0], pic_arg->linesize[1], s->linesize, s->uvlinesize);
845
846 if(direct){
847 i= ff_find_unused_picture(s, 1);
848
849 pic= (AVFrame*)&s->picture[i];
850 pic->reference= 3;
851
852 for(i=0; i<4; i++){
853 pic->data[i]= pic_arg->data[i];
854 pic->linesize[i]= pic_arg->linesize[i];
855 }
856 ff_alloc_picture(s, (Picture*)pic, 1);
857 }else{
858 i= ff_find_unused_picture(s, 0);
859
860 pic= (AVFrame*)&s->picture[i];
861 pic->reference= 3;
862
863 ff_alloc_picture(s, (Picture*)pic, 0);
864
865 if( pic->data[0] + INPLACE_OFFSET == pic_arg->data[0]
866 && pic->data[1] + INPLACE_OFFSET == pic_arg->data[1]
867 && pic->data[2] + INPLACE_OFFSET == pic_arg->data[2]){
868 // empty
869 }else{
870 int h_chroma_shift, v_chroma_shift;
871 avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift);
872
873 for(i=0; i<3; i++){
874 int src_stride= pic_arg->linesize[i];
875 int dst_stride= i ? s->uvlinesize : s->linesize;
876 int h_shift= i ? h_chroma_shift : 0;
877 int v_shift= i ? v_chroma_shift : 0;
878 int w= s->width >>h_shift;
879 int h= s->height>>v_shift;
880 uint8_t *src= pic_arg->data[i];
881 uint8_t *dst= pic->data[i];
882
883 if(!s->avctx->rc_buffer_size)
884 dst +=INPLACE_OFFSET;
885
886 if(src_stride==dst_stride)
887 memcpy(dst, src, src_stride*h);
888 else{
889 while(h--){
890 memcpy(dst, src, w);
891 dst += dst_stride;
892 src += src_stride;
893 }
894 }
895 }
896 }
897 }
898 copy_picture_attributes(s, pic, pic_arg);
899 pic->pts= pts; //we set this here to avoid modifiying pic_arg
900 }
901
902 /* shift buffer entries */
903 for(i=1; i<MAX_PICTURE_COUNT /*s->encoding_delay+1*/; i++)
904 s->input_picture[i-1]= s->input_picture[i];
905
906 s->input_picture[encoding_delay]= (Picture*)pic;
907
908 return 0;
909 }
910
911 static int skip_check(MpegEncContext *s, Picture *p, Picture *ref){
912 int x, y, plane;
913 int score=0;
914 int64_t score64=0;
915
916 for(plane=0; plane<3; plane++){
917 const int stride= p->linesize[plane];
918 const int bw= plane ? 1 : 2;
919 for(y=0; y<s->mb_height*bw; y++){
920 for(x=0; x<s->mb_width*bw; x++){
921 int off= p->type == FF_BUFFER_TYPE_SHARED ? 0: 16;
922 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);
923
924 switch(s->avctx->frame_skip_exp){
925 case 0: score= FFMAX(score, v); break;
926 case 1: score+= FFABS(v);break;
927 case 2: score+= v*v;break;
928 case 3: score64+= FFABS(v*v*(int64_t)v);break;
929 case 4: score64+= v*v*(int64_t)(v*v);break;
930 }
931 }
932 }
933 }
934
935 if(score) score64= score;
936
937 if(score64 < s->avctx->frame_skip_threshold)
938 return 1;
939 if(score64 < ((s->avctx->frame_skip_factor * (int64_t)s->lambda)>>8))
940 return 1;
941 return 0;
942 }
943
944 static int estimate_best_b_count(MpegEncContext *s){
945 AVCodec *codec= avcodec_find_encoder(s->avctx->codec_id);
946 AVCodecContext *c= avcodec_alloc_context();
947 AVFrame input[FF_MAX_B_FRAMES+2];
948 const int scale= s->avctx->brd_scale;
949 int i, j, out_size, p_lambda, b_lambda, lambda2;
950 int outbuf_size= s->width * s->height; //FIXME
951 uint8_t *outbuf= av_malloc(outbuf_size);
952 int64_t best_rd= INT64_MAX;
953 int best_b_count= -1;
954
955 assert(scale>=0 && scale <=3);
956
957 // emms_c();
958 p_lambda= s->last_lambda_for[FF_P_TYPE]; //s->next_picture_ptr->quality;
959 b_lambda= s->last_lambda_for[FF_B_TYPE]; //p_lambda *FFABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset;
960 if(!b_lambda) b_lambda= p_lambda; //FIXME we should do this somewhere else
961 lambda2= (b_lambda*b_lambda + (1<<FF_LAMBDA_SHIFT)/2 ) >> FF_LAMBDA_SHIFT;
962
963 c->width = s->width >> scale;
964 c->height= s->height>> scale;
965 c->flags= CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR | CODEC_FLAG_INPUT_PRESERVED /*| CODEC_FLAG_EMU_EDGE*/;
966 c->flags|= s->avctx->flags & CODEC_FLAG_QPEL;
967 c->mb_decision= s->avctx->mb_decision;
968 c->me_cmp= s->avctx->me_cmp;
969 c->mb_cmp= s->avctx->mb_cmp;
970 c->me_sub_cmp= s->avctx->me_sub_cmp;
971 c->pix_fmt = PIX_FMT_YUV420P;
972 c->time_base= s->avctx->time_base;
973 c->max_b_frames= s->max_b_frames;
974
975 if (avcodec_open(c, codec) < 0)
976 return -1;
977
978 for(i=0; i<s->max_b_frames+2; i++){
979 int ysize= c->width*c->height;
980 int csize= (c->width/2)*(c->height/2);
981 Picture pre_input, *pre_input_ptr= i ? s->input_picture[i-1] : s->next_picture_ptr;
982
983 avcodec_get_frame_defaults(&input[i]);
984 input[i].data[0]= av_malloc(ysize + 2*csize);
985 input[i].data[1]= input[i].data[0] + ysize;
986 input[i].data[2]= input[i].data[1] + csize;
987 input[i].linesize[0]= c->width;
988 input[i].linesize[1]=
989 input[i].linesize[2]= c->width/2;
990
991 if(pre_input_ptr && (!i || s->input_picture[i-1])) {
992 pre_input= *pre_input_ptr;
993
994 if(pre_input.type != FF_BUFFER_TYPE_SHARED && i) {
995 pre_input.data[0]+=INPLACE_OFFSET;
996 pre_input.data[1]+=INPLACE_OFFSET;
997 pre_input.data[2]+=INPLACE_OFFSET;
998 }
999
1000 s->dsp.shrink[scale](input[i].data[0], input[i].linesize[0], pre_input.data[0], pre_input.linesize[0], c->width, c->height);
1001 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);
1002 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);
1003 }
1004 }
1005
1006 for(j=0; j<s->max_b_frames+1; j++){
1007 int64_t rd=0;
1008
1009 if(!s->input_picture[j])
1010 break;
1011
1012 c->error[0]= c->error[1]= c->error[2]= 0;
1013
1014 input[0].pict_type= FF_I_TYPE;
1015 input[0].quality= 1 * FF_QP2LAMBDA;
1016 out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[0]);
1017 // rd += (out_size * lambda2) >> FF_LAMBDA_SHIFT;
1018
1019 for(i=0; i<s->max_b_frames+1; i++){
1020 int is_p= i % (j+1) == j || i==s->max_b_frames;
1021
1022 input[i+1].pict_type= is_p ? FF_P_TYPE : FF_B_TYPE;
1023 input[i+1].quality= is_p ? p_lambda : b_lambda;
1024 out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[i+1]);
1025 rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
1026 }
1027
1028 /* get the delayed frames */
1029 while(out_size){
1030 out_size = avcodec_encode_video(c, outbuf, outbuf_size, NULL);
1031 rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
1032 }
1033
1034 rd += c->error[0] + c->error[1] + c->error[2];
1035
1036 if(rd < best_rd){
1037 best_rd= rd;
1038 best_b_count= j;
1039 }
1040 }
1041
1042 av_freep(&outbuf);
1043 avcodec_close(c);
1044 av_freep(&c);
1045
1046 for(i=0; i<s->max_b_frames+2; i++){
1047 av_freep(&input[i].data[0]);
1048 }
1049
1050 return best_b_count;
1051 }
1052
1053 static void select_input_picture(MpegEncContext *s){
1054 int i;
1055
1056 for(i=1; i<MAX_PICTURE_COUNT; i++)
1057 s->reordered_input_picture[i-1]= s->reordered_input_picture[i];
1058 s->reordered_input_picture[MAX_PICTURE_COUNT-1]= NULL;
1059
1060 /* set next picture type & ordering */
1061 if(s->reordered_input_picture[0]==NULL && s->input_picture[0]){
1062 if(/*s->picture_in_gop_number >= s->gop_size ||*/ s->next_picture_ptr==NULL || s->intra_only){
1063 s->reordered_input_picture[0]= s->input_picture[0];
1064 s->reordered_input_picture[0]->pict_type= FF_I_TYPE;
1065 s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
1066 }else{
1067 int b_frames;
1068
1069 if(s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor){
1070 if(s->picture_in_gop_number < s->gop_size && skip_check(s, s->input_picture[0], s->next_picture_ptr)){
1071 //FIXME check that te gop check above is +-1 correct
1072 //av_log(NULL, AV_LOG_DEBUG, "skip %p %"PRId64"\n", s->input_picture[0]->data[0], s->input_picture[0]->pts);
1073
1074 if(s->input_picture[0]->type == FF_BUFFER_TYPE_SHARED){
1075 for(i=0; i<4; i++)
1076 s->input_picture[0]->data[i]= NULL;
1077 s->input_picture[0]->type= 0;
1078 }else{
1079 assert( s->input_picture[0]->type==FF_BUFFER_TYPE_USER
1080 || s->input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
1081
1082 s->avctx->release_buffer(s->avctx, (AVFrame*)s->input_picture[0]);
1083 }
1084
1085 emms_c();
1086 ff_vbv_update(s, 0);
1087
1088 goto no_output_pic;
1089 }
1090 }
1091
1092 if(s->flags&CODEC_FLAG_PASS2){
1093 for(i=0; i<s->max_b_frames+1; i++){
1094 int pict_num= s->input_picture[0]->display_picture_number + i;
1095
1096 if(pict_num >= s->rc_context.num_entries)
1097 break;
1098 if(!s->input_picture[i]){
1099 s->rc_context.entry[pict_num-1].new_pict_type = FF_P_TYPE;
1100 break;
1101 }
1102
1103 s->input_picture[i]->pict_type=
1104 s->rc_context.entry[pict_num].new_pict_type;
1105 }
1106 }
1107
1108 if(s->avctx->b_frame_strategy==0){
1109 b_frames= s->max_b_frames;
1110 while(b_frames && !s->input_picture[b_frames]) b_frames--;
1111 }else if(s->avctx->b_frame_strategy==1){
1112 for(i=1; i<s->max_b_frames+1; i++){
1113 if(s->input_picture[i] && s->input_picture[i]->b_frame_score==0){
1114 s->input_picture[i]->b_frame_score=
1115 get_intra_count(s, s->input_picture[i ]->data[0],
1116 s->input_picture[i-1]->data[0], s->linesize) + 1;
1117 }
1118 }
1119 for(i=0; i<s->max_b_frames+1; i++){
1120 if(s->input_picture[i]==NULL || s->input_picture[i]->b_frame_score - 1 > s->mb_num/s->avctx->b_sensitivity) break;
1121 }
1122
1123 b_frames= FFMAX(0, i-1);
1124
1125 /* reset scores */
1126 for(i=0; i<b_frames+1; i++){
1127 s->input_picture[i]->b_frame_score=0;
1128 }
1129 }else if(s->avctx->b_frame_strategy==2){
1130 b_frames= estimate_best_b_count(s);
1131 }else{
1132 av_log(s->avctx, AV_LOG_ERROR, "illegal b frame strategy\n");
1133 b_frames=0;
1134 }
1135
1136 emms_c();
1137 //static int b_count=0;
1138 //b_count+= b_frames;
1139 //av_log(s->avctx, AV_LOG_DEBUG, "b_frames: %d\n", b_count);
1140
1141 for(i= b_frames - 1; i>=0; i--){
1142 int type= s->input_picture[i]->pict_type;
1143 if(type && type != FF_B_TYPE)
1144 b_frames= i;
1145 }
1146 if(s->input_picture[b_frames]->pict_type == FF_B_TYPE && b_frames == s->max_b_frames){
1147 av_log(s->avctx, AV_LOG_ERROR, "warning, too many b frames in a row\n");
1148 }
1149
1150 if(s->picture_in_gop_number + b_frames >= s->gop_size){
1151 if((s->flags2 & CODEC_FLAG2_STRICT_GOP) && s->gop_size > s->picture_in_gop_number){
1152 b_frames= s->gop_size - s->picture_in_gop_number - 1;
1153 }else{
1154 if(s->flags & CODEC_FLAG_CLOSED_GOP)
1155 b_frames=0;
1156 s->input_picture[b_frames]->pict_type= FF_I_TYPE;
1157 }
1158 }
1159
1160 if( (s->flags & CODEC_FLAG_CLOSED_GOP)
1161 && b_frames
1162 && s->input_picture[b_frames]->pict_type== FF_I_TYPE)
1163 b_frames--;
1164
1165 s->reordered_input_picture[0]= s->input_picture[b_frames];
1166 if(s->reordered_input_picture[0]->pict_type != FF_I_TYPE)
1167 s->reordered_input_picture[0]->pict_type= FF_P_TYPE;
1168 s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
1169 for(i=0; i<b_frames; i++){
1170 s->reordered_input_picture[i+1]= s->input_picture[i];
1171 s->reordered_input_picture[i+1]->pict_type= FF_B_TYPE;
1172 s->reordered_input_picture[i+1]->coded_picture_number= s->coded_picture_number++;
1173 }
1174 }
1175 }
1176 no_output_pic:
1177 if(s->reordered_input_picture[0]){
1178 s->reordered_input_picture[0]->reference= s->reordered_input_picture[0]->pict_type!=FF_B_TYPE ? 3 : 0;
1179
1180 ff_copy_picture(&s->new_picture, s->reordered_input_picture[0]);
1181
1182 if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_SHARED || s->avctx->rc_buffer_size){
1183 // input is a shared pix, so we can't modifiy it -> alloc a new one & ensure that the shared one is reuseable
1184
1185 int i= ff_find_unused_picture(s, 0);
1186 Picture *pic= &s->picture[i];
1187
1188 pic->reference = s->reordered_input_picture[0]->reference;
1189 ff_alloc_picture(s, pic, 0);
1190
1191 /* mark us unused / free shared pic */
1192 if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_INTERNAL)
1193 s->avctx->release_buffer(s->avctx, (AVFrame*)s->reordered_input_picture[0]);
1194 for(i=0; i<4; i++)
1195 s->reordered_input_picture[0]->data[i]= NULL;
1196 s->reordered_input_picture[0]->type= 0;
1197
1198 copy_picture_attributes(s, (AVFrame*)pic, (AVFrame*)s->reordered_input_picture[0]);
1199
1200 s->current_picture_ptr= pic;
1201 }else{
1202 // input is not a shared pix -> reuse buffer for current_pix
1203
1204 assert( s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_USER
1205 || s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
1206
1207 s->current_picture_ptr= s->reordered_input_picture[0];
1208 for(i=0; i<4; i++){
1209 s->new_picture.data[i]+= INPLACE_OFFSET;
1210 }
1211 }
1212 ff_copy_picture(&s->current_picture, s->current_picture_ptr);
1213
1214 s->picture_number= s->new_picture.display_picture_number;
1215 //printf("dpn:%d\n", s->picture_number);
1216 }else{
1217 memset(&s->new_picture, 0, sizeof(Picture));
1218 }
1219 }
1220
1221 int MPV_encode_picture(AVCodecContext *avctx,
1222 unsigned char *buf, int buf_size, void *data)
1223 {
1224 MpegEncContext *s = avctx->priv_data;
1225 AVFrame *pic_arg = data;
1226 int i, stuffing_count;
1227
1228 for(i=0; i<avctx->thread_count; i++){
1229 int start_y= s->thread_context[i]->start_mb_y;
1230 int end_y= s->thread_context[i]-> end_mb_y;
1231 int h= s->mb_height;
1232 uint8_t *start= buf + (size_t)(((int64_t) buf_size)*start_y/h);
1233 uint8_t *end = buf + (size_t)(((int64_t) buf_size)* end_y/h);
1234
1235 init_put_bits(&s->thread_context[i]->pb, start, end - start);
1236 }
1237
1238 s->picture_in_gop_number++;
1239
1240 if(load_input_picture(s, pic_arg) < 0)
1241 return -1;
1242
1243 select_input_picture(s);
1244
1245 /* output? */
1246 if(s->new_picture.data[0]){
1247 s->pict_type= s->new_picture.pict_type;
1248 //emms_c();
1249 //printf("qs:%f %f %d\n", s->new_picture.quality, s->current_picture.quality, s->qscale);
1250 MPV_frame_start(s, avctx);
1251 vbv_retry:
1252 if (encode_picture(s, s->picture_number) < 0)
1253 return -1;
1254
1255 avctx->header_bits = s->header_bits;
1256 avctx->mv_bits = s->mv_bits;
1257 avctx->misc_bits = s->misc_bits;
1258 avctx->i_tex_bits = s->i_tex_bits;
1259 avctx->p_tex_bits = s->p_tex_bits;
1260 avctx->i_count = s->i_count;
1261 avctx->p_count = s->mb_num - s->i_count - s->skip_count; //FIXME f/b_count in avctx
1262 avctx->skip_count = s->skip_count;
1263
1264 MPV_frame_end(s);
1265
1266 if (CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG)
1267 ff_mjpeg_encode_picture_trailer(s);
1268
1269 if(avctx->rc_buffer_size){
1270 RateControlContext *rcc= &s->rc_context;
1271 int max_size= rcc->buffer_index * avctx->rc_max_available_vbv_use;
1272
1273 if(put_bits_count(&s->pb) > max_size && s->lambda < s->avctx->lmax){
1274 s->next_lambda= FFMAX(s->lambda+1, s->lambda*(s->qscale+1) / s->qscale);
1275 if(s->adaptive_quant){
1276 int i;
1277 for(i=0; i<s->mb_height*s->mb_stride; i++)
1278 s->lambda_table[i]= FFMAX(s->lambda_table[i]+1, s->lambda_table[i]*(s->qscale+1) / s->qscale);
1279 }
1280 s->mb_skipped = 0; //done in MPV_frame_start()
1281 if(s->pict_type==FF_P_TYPE){ //done in encode_picture() so we must undo it
1282 if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
1283 s->no_rounding ^= 1;
1284 }
1285 if(s->pict_type!=FF_B_TYPE){
1286 s->time_base= s->last_time_base;
1287 s->last_non_b_time= s->time - s->pp_time;
1288 }
1289 // av_log(NULL, AV_LOG_ERROR, "R:%d ", s->next_lambda);
1290 for(i=0; i<avctx->thread_count; i++){
1291 PutBitContext *pb= &s->thread_context[i]->pb;
1292 init_put_bits(pb, pb->buf, pb->buf_end - pb->buf);
1293 }
1294 goto vbv_retry;
1295 }
1296
1297 assert(s->avctx->rc_max_rate);
1298 }
1299
1300 if(s->flags&CODEC_FLAG_PASS1)
1301 ff_write_pass1_stats(s);
1302
1303 for(i=0; i<4; i++){
1304 s->current_picture_ptr->error[i]= s->current_picture.error[i];
1305 avctx->error[i] += s->current_picture_ptr->error[i];
1306 }
1307
1308 if(s->flags&CODEC_FLAG_PASS1)
1309 assert(avctx->header_bits + avctx->mv_bits + avctx->misc_bits + avctx->i_tex_bits + avctx->p_tex_bits == put_bits_count(&s->pb));
1310 flush_put_bits(&s->pb);
1311 s->frame_bits = put_bits_count(&s->pb);
1312
1313 stuffing_count= ff_vbv_update(s, s->frame_bits);
1314 if(stuffing_count){
1315 if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < stuffing_count + 50){
1316 av_log(s->avctx, AV_LOG_ERROR, "stuffing too large\n");
1317 return -1;
1318 }
1319
1320 switch(s->codec_id){
1321 case CODEC_ID_MPEG1VIDEO:
1322 case CODEC_ID_MPEG2VIDEO:
1323 while(stuffing_count--){
1324 put_bits(&s->pb, 8, 0);
1325 }
1326 break;
1327 case CODEC_ID_MPEG4:
1328 put_bits(&s->pb, 16, 0);
1329 put_bits(&s->pb, 16, 0x1C3);
1330 stuffing_count -= 4;
1331 while(stuffing_count--){
1332 put_bits(&s->pb, 8, 0xFF);
1333 }
1334 break;
1335 default:
1336 av_log(s->avctx, AV_LOG_ERROR, "vbv buffer overflow\n");
1337 }
1338 flush_put_bits(&s->pb);
1339 s->frame_bits = put_bits_count(&s->pb);
1340 }
1341
1342 /* update mpeg1/2 vbv_delay for CBR */
1343 if(s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate && s->out_format == FMT_MPEG1
1344 && 90000LL * (avctx->rc_buffer_size-1) <= s->avctx->rc_max_rate*0xFFFFLL){
1345 int vbv_delay, min_delay;
1346 double inbits = s->avctx->rc_max_rate*av_q2d(s->avctx->time_base);
1347 int minbits= s->frame_bits - 8*(s->vbv_delay_ptr - s->pb.buf - 1);
1348 double bits = s->rc_context.buffer_index + minbits - inbits;
1349
1350 if(bits<0)
1351 av_log(s->avctx, AV_LOG_ERROR, "Internal error, negative bits\n");
1352
1353 assert(s->repeat_first_field==0);
1354
1355 vbv_delay= bits * 90000 / s->avctx->rc_max_rate;
1356 min_delay= (minbits * 90000LL + s->avctx->rc_max_rate - 1)/ s->avctx->rc_max_rate;
1357
1358 vbv_delay= FFMAX(vbv_delay, min_delay);
1359
1360 assert(vbv_delay < 0xFFFF);
1361
1362 s->vbv_delay_ptr[0] &= 0xF8;
1363 s->vbv_delay_ptr[0] |= vbv_delay>>13;
1364 s->vbv_delay_ptr[1] = vbv_delay>>5;
1365 s->vbv_delay_ptr[2] &= 0x07;
1366 s->vbv_delay_ptr[2] |= vbv_delay<<3;
1367 }
1368 s->total_bits += s->frame_bits;
1369 avctx->frame_bits = s->frame_bits;
1370 }else{
1371 assert((put_bits_ptr(&s->pb) == s->pb.buf));
1372 s->frame_bits=0;
1373 }
1374 assert((s->frame_bits&7)==0);
1375
1376 return s->frame_bits/8;
1377 }
1378
1379 static inline void dct_single_coeff_elimination(MpegEncContext *s, int n, int threshold)
1380 {
1381 static const char tab[64]=
1382 {3,2,2,1,1,1,1,1,
1383 1,1,1,1,1,1,1,1,
1384 1,1,1,1,1,1,1,1,
1385 0,0,0,0,0,0,0,0,
1386 0,0,0,0,0,0,0,0,
1387 0,0,0,0,0,0,0,0,
1388 0,0,0,0,0,0,0,0,
1389 0,0,0,0,0,0,0,0};
1390 int score=0;
1391 int run=0;
1392 int i;
1393 DCTELEM *block= s->block[n];
1394 const int last_index= s->block_last_index[n];
1395 int skip_dc;
1396
1397 if(threshold<0){
1398 skip_dc=0;
1399 threshold= -threshold;
1400 }else
1401 skip_dc=1;
1402
1403 /* Are all we could set to zero already zero? */
1404 if(last_index<=skip_dc - 1) return;
1405
1406 for(i=0; i<=last_index; i++){
1407 const int j = s->intra_scantable.permutated[i];
1408 const int level = FFABS(block[j]);
1409 if(level==1){
1410 if(skip_dc && i==0) continue;
1411 score+= tab[run];
1412 run=0;
1413 }else if(level>1){
1414 return;
1415 }else{
1416 run++;
1417 }
1418 }
1419 if(score >= threshold) return;
1420 for(i=skip_dc; i<=last_index; i++){
1421 const int j = s->intra_scantable.permutated[i];
1422 block[j]=0;
1423 }
1424 if(block[0]) s->block_last_index[n]= 0;
1425 else s->block_last_index[n]= -1;
1426 }
1427
1428 static inline void clip_coeffs(MpegEncContext *s, DCTELEM *block, int last_index)
1429 {
1430 int i;
1431 const int maxlevel= s->max_qcoeff;
1432 const int minlevel= s->min_qcoeff;
1433 int overflow=0;
1434
1435 if(s->mb_intra){
1436 i=1; //skip clipping of intra dc
1437 }else
1438 i=0;
1439
1440 for(;i<=last_index; i++){
1441 const int j= s->intra_scantable.permutated[i];
1442 int level = block[j];
1443
1444 if (level>maxlevel){
1445 level=maxlevel;
1446 overflow++;
1447 }else if(level<minlevel){
1448 level=minlevel;
1449 overflow++;
1450 }
1451
1452 block[j]= level;
1453 }
1454
1455 if(overflow && s->avctx->mb_decision == FF_MB_DECISION_SIMPLE)
1456 av_log(s->avctx, AV_LOG_INFO, "warning, clipping %d dct coefficients to %d..%d\n", overflow, minlevel, maxlevel);
1457 }
1458
1459 static void get_visual_weight(int16_t *weight, uint8_t *ptr, int stride){
1460 int x, y;
1461 //FIXME optimize
1462 for(y=0; y<8; y++){
1463 for(x=0; x<8; x++){
1464 int x2, y2;
1465 int sum=0;
1466 int sqr=0;
1467 int count=0;
1468
1469 for(y2= FFMAX(y-1, 0); y2 < FFMIN(8, y+2); y2++){
1470 for(x2= FFMAX(x-1, 0); x2 < FFMIN(8, x+2); x2++){
1471 int v= ptr[x2 + y2*stride];
1472 sum += v;
1473 sqr += v*v;
1474 count++;
1475 }
1476 }
1477 weight[x + 8*y]= (36*ff_sqrt(count*sqr - sum*sum)) / count;
1478 }
1479 }
1480 }
1481
1482 static av_always_inline void encode_mb_internal(MpegEncContext *s, int motion_x, int motion_y, int mb_block_height, int mb_block_count)
1483 {
1484 int16_t weight[8][64];
1485 DCTELEM orig[8][64];
1486 const int mb_x= s->mb_x;
1487 const int mb_y= s->mb_y;
1488 int i;
1489 int skip_dct[8];
1490 int dct_offset = s->linesize*8; //default for progressive frames
1491 uint8_t *ptr_y, *ptr_cb, *ptr_cr;
1492 int wrap_y, wrap_c;
1493
1494 for(i=0; i<mb_block_count; i++) skip_dct[i]=s->skipdct;
1495
1496 if(s->adaptive_quant){
1497 const int last_qp= s->qscale;
1498 const int mb_xy= mb_x + mb_y*s->mb_stride;
1499
1500 s->lambda= s->lambda_table[mb_xy];
1501 update_qscale(s);
1502
1503 if(!(s->flags&CODEC_FLAG_QP_RD)){
1504 s->qscale= s->current_picture_ptr->qscale_table[mb_xy];
1505 s->dquant= s->qscale - last_qp;
1506
1507 if(s->out_format==FMT_H263){
1508 s->dquant= av_clip(s->dquant, -2, 2);
1509
1510 if(s->codec_id==CODEC_ID_MPEG4){
1511 if(!s->mb_intra){
1512 if(s->pict_type == FF_B_TYPE){
1513 if(s->dquant&1 || s->mv_dir&MV_DIRECT)
1514 s->dquant= 0;
1515 }
1516 if(s->mv_type==MV_TYPE_8X8)
1517 s->dquant=0;
1518 }
1519 }
1520 }
1521 }
1522 ff_set_qscale(s, last_qp + s->dquant);
1523 }else if(s->flags&CODEC_FLAG_QP_RD)
1524 ff_set_qscale(s, s->qscale + s->dquant);
1525
1526 wrap_y = s->linesize;
1527 wrap_c = s->uvlinesize;
1528 ptr_y = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16;
1529 ptr_cb = s->new_picture.data[1] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
1530 ptr_cr = s->new_picture.data[2] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
1531
1532 if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){
1533 uint8_t *ebuf= s->edge_emu_buffer + 32;
1534 ff_emulated_edge_mc(ebuf , ptr_y , wrap_y,16,16,mb_x*16,mb_y*16, s->width , s->height);
1535 ptr_y= ebuf;
1536 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);
1537 ptr_cb= ebuf+18*wrap_y;
1538 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);
1539 ptr_cr= ebuf+18*wrap_y+8;
1540 }
1541
1542 if (s->mb_intra) {
1543 if(s->flags&CODEC_FLAG_INTERLACED_DCT){
1544 int progressive_score, interlaced_score;
1545
1546 s->interlaced_dct=0;
1547 progressive_score= s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y, 8)
1548 +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y*8, NULL, wrap_y, 8) - 400;
1549
1550 if(progressive_score > 0){
1551 interlaced_score = s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y*2, 8)
1552 +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y , NULL, wrap_y*2, 8);
1553 if(progressive_score > interlaced_score){
1554 s->interlaced_dct=1;
1555
1556 dct_offset= wrap_y;
1557 wrap_y<<=1;
1558 if (s->chroma_format == CHROMA_422)
1559 wrap_c<<=1;
1560 }
1561 }
1562 }
1563
1564 s->dsp.get_pixels(s->block[0], ptr_y , wrap_y);
1565 s->dsp.get_pixels(s->block[1], ptr_y + 8, wrap_y);
1566 s->dsp.get_pixels(s->block[2], ptr_y + dct_offset , wrap_y);
1567 s->dsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y);
1568
1569 if(s->flags&CODEC_FLAG_GRAY){
1570 skip_dct[4]= 1;
1571 skip_dct[5]= 1;
1572 }else{
1573 s->dsp.get_pixels(s->block[4], ptr_cb, wrap_c);
1574 s->dsp.get_pixels(s->block[5], ptr_cr, wrap_c);
1575 if(!s->chroma_y_shift){ /* 422 */
1576 s->dsp.get_pixels(s->block[6], ptr_cb + (dct_offset>>1), wrap_c);
1577 s->dsp.get_pixels(s->block[7], ptr_cr + (dct_offset>>1), wrap_c);
1578 }
1579 }
1580 }else{
1581 op_pixels_func (*op_pix)[4];
1582 qpel_mc_func (*op_qpix)[16];
1583 uint8_t *dest_y, *dest_cb, *dest_cr;
1584
1585 dest_y = s->dest[0];
1586 dest_cb = s->dest[1];
1587 dest_cr = s->dest[2];
1588
1589 if ((!s->no_rounding) || s->pict_type==FF_B_TYPE){
1590 op_pix = s->dsp.put_pixels_tab;
1591 op_qpix= s->dsp.put_qpel_pixels_tab;
1592 }else{
1593 op_pix = s->dsp.put_no_rnd_pixels_tab;
1594 op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab;
1595 }
1596
1597 if (s->mv_dir & MV_DIR_FORWARD) {
1598 MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);
1599 op_pix = s->dsp.avg_pixels_tab;
1600 op_qpix= s->dsp.avg_qpel_pixels_tab;
1601 }
1602 if (s->mv_dir & MV_DIR_BACKWARD) {
1603 MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix);
1604 }
1605
1606 if(s->flags&CODEC_FLAG_INTERLACED_DCT){
1607 int progressive_score, interlaced_score;
1608
1609 s->interlaced_dct=0;
1610 progressive_score= s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y, 8)
1611 +s->dsp.ildct_cmp[0](s, dest_y + wrap_y*8, ptr_y + wrap_y*8, wrap_y, 8) - 400;
1612
1613 if(s->avctx->ildct_cmp == FF_CMP_VSSE) progressive_score -= 400;
1614
1615 if(progressive_score>0){
1616 interlaced_score = s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y*2, 8)
1617 +s->dsp.ildct_cmp[0](s, dest_y + wrap_y , ptr_y + wrap_y , wrap_y*2, 8);
1618
1619 if(progressive_score > interlaced_score){
1620 s->interlaced_dct=1;
1621
1622 dct_offset= wrap_y;
1623 wrap_y<<=1;
1624 if (s->chroma_format == CHROMA_422)
1625 wrap_c<<=1;
1626 }
1627 }
1628 }
1629
1630 s->dsp.diff_pixels(s->block[0], ptr_y , dest_y , wrap_y);
1631 s->dsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y);
1632 s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset , dest_y + dct_offset , wrap_y);
1633 s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8, dest_y + dct_offset + 8, wrap_y);
1634
1635 if(s->flags&CODEC_FLAG_GRAY){
1636 skip_dct[4]= 1;
1637 skip_dct[5]= 1;
1638 }else{
1639 s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
1640 s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
1641 if(!s->chroma_y_shift){ /* 422 */
1642 s->dsp.diff_pixels(s->block[6], ptr_cb + (dct_offset>>1), dest_cb + (dct_offset>>1), wrap_c);
1643 s->dsp.diff_pixels(s->block[7], ptr_cr + (dct_offset>>1), dest_cr + (dct_offset>>1), wrap_c);
1644 }
1645 }
1646 /* pre quantization */
1647 if(s->current_picture.mc_mb_var[s->mb_stride*mb_y+ mb_x]<2*s->qscale*s->qscale){
1648 //FIXME optimize
1649 if(s->dsp.sad[1](NULL, ptr_y , dest_y , wrap_y, 8) < 20*s->qscale) skip_dct[0]= 1;
1650 if(s->dsp.sad[1](NULL, ptr_y + 8, dest_y + 8, wrap_y, 8) < 20*s->qscale) skip_dct[1]= 1;
1651 if(s->dsp.sad[1](NULL, ptr_y +dct_offset , dest_y +dct_offset , wrap_y, 8) < 20*s->qscale) skip_dct[2]= 1;
1652 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;
1653 if(s->dsp.sad[1](NULL, ptr_cb , dest_cb , wrap_c, 8) < 20*s->qscale) skip_dct[4]= 1;
1654 if(s->dsp.sad[1](NULL, ptr_cr , dest_cr , wrap_c, 8) < 20*s->qscale) skip_dct[5]= 1;
1655 if(!s->chroma_y_shift){ /* 422 */
1656 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;
1657 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;
1658 }
1659 }
1660 }
1661
1662 if(s->avctx->quantizer_noise_shaping){
1663 if(!skip_dct[0]) get_visual_weight(weight[0], ptr_y , wrap_y);
1664 if(!skip_dct[1]) get_visual_weight(weight[1], ptr_y + 8, wrap_y);
1665 if(!skip_dct[2]) get_visual_weight(weight[2], ptr_y + dct_offset , wrap_y);
1666 if(!skip_dct[3]) get_visual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y);
1667 if(!skip_dct[4]) get_visual_weight(weight[4], ptr_cb , wrap_c);
1668 if(!skip_dct[5]) get_visual_weight(weight[5], ptr_cr , wrap_c);
1669 if(!s->chroma_y_shift){ /* 422 */
1670 if(!skip_dct[6]) get_visual_weight(weight[6], ptr_cb + (dct_offset>>1), wrap_c);
1671 if(!skip_dct[7]) get_visual_weight(weight[7], ptr_cr + (dct_offset>>1), wrap_c);
1672 }
1673 memcpy(orig[0], s->block[0], sizeof(DCTELEM)*64*mb_block_count);
1674 }
1675
1676 /* DCT & quantize */
1677 assert(s->out_format!=FMT_MJPEG || s->qscale==8);
1678 {
1679 for(i=0;i<mb_block_count;i++) {
1680 if(!skip_dct[i]){
1681 int overflow;
1682 s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow);
1683 // FIXME we could decide to change to quantizer instead of clipping
1684 // JS: I don't think that would be a good idea it could lower quality instead
1685 // of improve it. Just INTRADC clipping deserves changes in quantizer
1686 if (overflow) clip_coeffs(s, s->block[i], s->block_last_index[i]);
1687 }else
1688 s->block_last_index[i]= -1;
1689 }
1690 if(s->avctx->quantizer_noise_shaping){
1691 for(i=0;i<mb_block_count;i++) {
1692 if(!skip_dct[i]){
1693 s->block_last_index[i] = dct_quantize_refine(s, s->block[i], weight[i], orig[i], i, s->qscale);
1694 }
1695 }
1696 }
1697
1698 if(s->luma_elim_threshold && !s->mb_intra)
1699 for(i=0; i<4; i++)
1700 dct_single_coeff_elimination(s, i, s->luma_elim_threshold);
1701 if(s->chroma_elim_threshold && !s->mb_intra)
1702 for(i=4; i<mb_block_count; i++)
1703 dct_single_coeff_elimination(s, i, s->chroma_elim_threshold);
1704
1705 if(s->flags & CODEC_FLAG_CBP_RD){
1706 for(i=0;i<mb_block_count;i++) {
1707 if(s->block_last_index[i] == -1)
1708 s->coded_score[i]= INT_MAX/256;
1709 }
1710 }
1711 }
1712
1713 if((s->flags&CODEC_FLAG_GRAY) && s->mb_intra){
1714 s->block_last_index[4]=
1715 s->block_last_index[5]= 0;
1716 s->block[4][0]=
1717 s->block[5][0]= (1024 + s->c_dc_scale/2)/ s->c_dc_scale;
1718 }
1719
1720 //non c quantize code returns incorrect block_last_index FIXME
1721 if(s->alternate_scan && s->dct_quantize != dct_quantize_c){
1722 for(i=0; i<mb_block_count; i++){
1723 int j;
1724 if(s->block_last_index[i]>0){
1725 for(j=63; j>0; j--){
1726 if(s->block[i][ s->intra_scantable.permutated[j] ]) break;
1727 }
1728 s->block_last_index[i]= j;
1729 }
1730 }
1731 }
1732
1733 /* huffman encode */
1734 switch(s->codec_id){ //FIXME funct ptr could be slightly faster
1735 case CODEC_ID_MPEG1VIDEO:
1736 case CODEC_ID_MPEG2VIDEO:
1737 if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
1738 mpeg1_encode_mb(s, s->block, motion_x, motion_y);
1739 break;
1740 case CODEC_ID_MPEG4:
1741 if (CONFIG_MPEG4_ENCODER)
1742 mpeg4_encode_mb(s, s->block, motion_x, motion_y);
1743 break;
1744 case CODEC_ID_MSMPEG4V2:
1745 case CODEC_ID_MSMPEG4V3:
1746 case CODEC_ID_WMV1:
1747 if (CONFIG_MSMPEG4_ENCODER)
1748 msmpeg4_encode_mb(s, s->block, motion_x, motion_y);
1749 break;
1750 case CODEC_ID_WMV2:
1751 if (CONFIG_WMV2_ENCODER)
1752 ff_wmv2_encode_mb(s, s->block, motion_x, motion_y);
1753 break;
1754 case CODEC_ID_H261:
1755 if (CONFIG_H261_ENCODER)
1756 ff_h261_encode_mb(s, s->block, motion_x, motion_y);
1757 break;
1758 case CODEC_ID_H263:
1759 case CODEC_ID_H263P:
1760 case CODEC_ID_FLV1:
1761 case CODEC_ID_RV10:
1762 case CODEC_ID_RV20:
1763 if (CONFIG_H263_ENCODER)
1764 h263_encode_mb(s, s->block, motion_x, motion_y);
1765 break;
1766 case CODEC_ID_MJPEG:
1767 if (CONFIG_MJPEG_ENCODER)
1768 ff_mjpeg_encode_mb(s, s->block);
1769 break;
1770 default:
1771 assert(0);
1772 }
1773 }
1774
1775 static av_always_inline void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
1776 {
1777 if (s->chroma_format == CHROMA_420) encode_mb_internal(s, motion_x, motion_y, 8, 6);
1778 else encode_mb_internal(s, motion_x, motion_y, 16, 8);
1779 }
1780
1781 static inline void copy_context_before_encode(MpegEncContext *d, MpegEncContext *s, int type){
1782 int i;
1783
1784 memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
1785
1786 /* mpeg1 */
1787 d->mb_skip_run= s->mb_skip_run;
1788 for(i=0; i<3; i++)
1789 d->last_dc[i]= s->last_dc[i];
1790
1791 /* statistics */
1792 d->mv_bits= s->mv_bits;
1793 d->i_tex_bits= s->i_tex_bits;
1794 d->p_tex_bits= s->p_tex_bits;
1795 d->i_count= s->i_count;
1796 d->f_count= s->f_count;
1797 d->b_count= s->b_count;
1798 d->skip_count= s->skip_count;
1799 d->misc_bits= s->misc_bits;
1800 d->last_bits= 0;
1801
1802 d->mb_skipped= 0;
1803 d->qscale= s->qscale;
1804 d->dquant= s->dquant;
1805
1806 d->esc3_level_length= s->esc3_level_length;
1807 }
1808
1809 static inline void copy_context_after_encode(MpegEncContext *d, MpegEncContext *s, int type){
1810 int i;
1811
1812 memcpy(d->mv, s->mv, 2*4*2*sizeof(int));
1813 memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
1814
1815 /* mpeg1 */
1816 d->mb_skip_run= s->mb_skip_run;
1817 for(i=0; i<3; i++)
1818 d->last_dc[i]= s->last_dc[i];
1819
1820 /* statistics */
1821 d->mv_bits= s->mv_bits;
1822 d->i_tex_bits= s->i_tex_bits;
1823 d->p_tex_bits= s->p_tex_bits;
1824 d->i_count= s->i_count;
1825 d->f_count= s->f_count;
1826 d->b_count= s->b_count;
1827 d->skip_count= s->skip_count;
1828 d->misc_bits= s->misc_bits;
1829
1830 d->mb_intra= s->mb_intra;
1831 d->mb_skipped= s->mb_skipped;
1832 d->mv_type= s->mv_type;
1833 d->mv_dir= s->mv_dir;
1834 d->pb= s->pb;
1835 if(s->data_partitioning){
1836 d->pb2= s->pb2;
1837 d->tex_pb= s->tex_pb;
1838 }
1839 d->block= s->block;
1840 for(i=0; i<8; i++)
1841 d->block_last_index[i]= s->block_last_index[i];
1842 d->interlaced_dct= s->interlaced_dct;
1843 d->qscale= s->qscale;
1844
1845 d->esc3_level_length= s->esc3_level_length;
1846 }
1847
1848 static inline void encode_mb_hq(MpegEncContext *s, MpegEncContext *backup, MpegEncContext *best, int type,
1849 PutBitContext pb[2], PutBitContext pb2[2], PutBitContext tex_pb[2],
1850 int *dmin, int *next_block, int motion_x, int motion_y)
1851 {
1852 int score;
1853 uint8_t *dest_backup[3];
1854
1855 copy_context_before_encode(s, backup, type);
1856
1857 s->block= s->blocks[*next_block];
1858 s->pb= pb[*next_block];
1859 if(s->data_partitioning){
1860 s->pb2 = pb2 [*next_block];
1861 s->tex_pb= tex_pb[*next_block];
1862 }
1863
1864 if(*next_block){
1865 memcpy(dest_backup, s->dest, sizeof(s->dest));
1866 s->dest[0] = s->rd_scratchpad;
1867 s->dest[1] = s->rd_scratchpad + 16*s->linesize;
1868 s->dest[2] = s->rd_scratchpad + 16*s->linesize + 8;
1869 assert(s->linesize >= 32); //FIXME
1870 }
1871
1872 encode_mb(s, motion_x, motion_y);
1873
1874 score= put_bits_count(&s->pb);
1875 if(s->data_partitioning){
1876 score+= put_bits_count(&s->pb2);
1877 score+= put_bits_count(&s->tex_pb);
1878 }
1879
1880 if(s->avctx->mb_decision == FF_MB_DECISION_RD){
1881 MPV_decode_mb(s, s->block);
1882
1883 score *= s->lambda2;
1884 score += sse_mb(s) << FF_LAMBDA_SHIFT;
1885 }
1886
1887 if(*next_block){
1888 memcpy(s->dest, dest_backup, sizeof(s->dest));
1889 }
1890
1891 if(score<*dmin){
1892 *dmin= score;
1893 *next_block^=1;
1894
1895 copy_context_after_encode(best, s, type);
1896 }
1897 }
1898
1899 static int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, int h, int stride){
1900 uint32_t *sq = ff_squareTbl + 256;
1901 int acc=0;
1902 int x,y;
1903
1904 if(w==16 && h==16)
1905 return s->dsp.sse[0](NULL, src1, src2, stride, 16);
1906 else if(w==8 && h==8)
1907 return s->dsp.sse[1](NULL, src1, src2, stride, 8);
1908
1909 for(y=0; y<h; y++){
1910 for(x=0; x<w; x++){
1911 acc+= sq[src1[x + y*stride] - src2[x + y*stride]];
1912 }
1913 }
1914
1915 assert(acc>=0);
1916
1917 return acc;
1918 }
1919
1920 static int sse_mb(MpegEncContext *s){
1921 int w= 16;
1922 int h= 16;
1923
1924 if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
1925 if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
1926
1927 if(w==16 && h==16)
1928 if(s->avctx->mb_cmp == FF_CMP_NSSE){
1929 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)
1930 +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)
1931 +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);
1932 }else{
1933 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)
1934 +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)
1935 +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);
1936 }
1937 else
1938 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)
1939 +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)
1940 +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);
1941 }
1942
1943 static int pre_estimate_motion_thread(AVCodecContext *c, void *arg){
1944 MpegEncContext *s= *(void**)arg;
1945
1946
1947 s->me.pre_pass=1;
1948 s->me.dia_size= s->avctx->pre_dia_size;
1949 s->first_slice_line=1;
1950 for(s->mb_y= s->end_mb_y-1; s->mb_y >= s->start_mb_y; s->mb_y--) {
1951 for(s->mb_x=s->mb_width-1; s->mb_x >=0 ;s->mb_x--) {
1952 ff_pre_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
1953 }
1954 s->first_slice_line=0;
1955 }
1956
1957 s->me.pre_pass=0;
1958
1959 return 0;
1960 }
1961
1962 static int estimate_motion_thread(AVCodecContext *c, void *arg){
1963 MpegEncContext *s= *(void**)arg;
1964
1965 ff_check_alignment();
1966
1967 s->me.dia_size= s->avctx->dia_size;
1968 s->first_slice_line=1;
1969 for(s->mb_y= s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) {
1970 s->mb_x=0; //for block init below
1971 ff_init_block_index(s);
1972 for(s->mb_x=0; s->mb_x < s->mb_width; s->mb_x++) {
1973 s->block_index[0]+=2;
1974 s->block_index[1]+=2;
1975 s->block_index[2]+=2;
1976 s->block_index[3]+=2;
1977
1978 /* compute motion vector & mb_type and store in context */
1979 if(s->pict_type==FF_B_TYPE)
1980 ff_estimate_b_frame_motion(s, s->mb_x, s->mb_y);
1981 else
1982 ff_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
1983 }
1984 s->first_slice_line=0;
1985 }
1986 return 0;
1987 }
1988
1989 static int mb_var_thread(AVCodecContext *c, void *arg){
1990 MpegEncContext *s= *(void**)arg;
1991 int mb_x, mb_y;
1992
1993 ff_check_alignment();
1994
1995 for(mb_y=s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
1996 for(mb_x=0; mb_x < s->mb_width; mb_x++) {
1997 int xx = mb_x * 16;
1998 int yy = mb_y * 16;
1999 uint8_t *pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
2000 int varc;
2001 int sum = s->dsp.pix_sum(pix, s->linesize);
2002
2003 varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
2004
2005 s->current_picture.mb_var [s->mb_stride * mb_y + mb_x] = varc;
2006 s->current_picture.mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
2007 s->me.mb_var_sum_temp += varc;
2008 }
2009 }
2010 return 0;
2011 }
2012
2013 static void write_slice_end(MpegEncContext *s){
2014 if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4){
2015 if(s->partitioned_frame){
2016 ff_mpeg4_merge_partitions(s);
2017 }
2018
2019 ff_mpeg4_stuffing(&s->pb);
2020 }else if(CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG){
2021 ff_mjpeg_encode_stuffing(&s->pb);
2022 }
2023
2024 align_put_bits(&s->pb);
2025 flush_put_bits(&s->pb);
2026
2027 if((s->flags&CODEC_FLAG_PASS1) && !s->partitioned_frame)
2028 s->misc_bits+= get_bits_diff(s);
2029 }
2030
2031 static int encode_thread(AVCodecContext *c, void *arg){
2032 MpegEncContext *s= *(void**)arg;
2033 int mb_x, mb_y, pdif = 0;
2034 int chr_h= 16>>s->chroma_y_shift;
2035 int i, j;
2036 MpegEncContext best_s, backup_s;
2037 uint8_t bit_buf[2][MAX_MB_BYTES];
2038 uint8_t bit_buf2[2][MAX_MB_BYTES];
2039 uint8_t bit_buf_tex[2][MAX_MB_BYTES];
2040 PutBitContext pb[2], pb2[2], tex_pb[2];
2041 //printf("%d->%d\n", s->resync_mb_y, s->end_mb_y);
2042
2043 ff_check_alignment();
2044
2045 for(i=0; i<2; i++){
2046 init_put_bits(&pb [i], bit_buf [i], MAX_MB_BYTES);
2047 init_put_bits(&pb2 [i], bit_buf2 [i], MAX_MB_BYTES);
2048 init_put_bits(&tex_pb[i], bit_buf_tex[i], MAX_MB_BYTES);
2049 }
2050
2051 s->last_bits= put_bits_count(&s->pb);
2052 s->mv_bits=0;
2053 s->misc_bits=0;
2054 s->i_tex_bits=0;
2055 s->p_tex_bits=0;
2056 s->i_count=0;
2057 s->f_count=0;
2058 s->b_count=0;
2059 s->skip_count=0;
2060
2061 for(i=0; i<3; i++){
2062 /* init last dc values */
2063 /* note: quant matrix value (8) is implied here */
2064 s->last_dc[i] = 128 << s->intra_dc_precision;
2065
2066 s->current_picture.error[i] = 0;
2067 }
2068 s->mb_skip_run = 0;
2069 memset(s->last_mv, 0, sizeof(s->last_mv));
2070
2071 s->last_mv_dir = 0;
2072
2073 switch(s->codec_id){
2074 case CODEC_ID_H263:
2075 case CODEC_ID_H263P:
2076 case CODEC_ID_FLV1:
2077 if (CONFIG_H263_ENCODER)
2078 s->gob_index = ff_h263_get_gob_height(s);
2079 break;
2080 case CODEC_ID_MPEG4:
2081 if(CONFIG_MPEG4_ENCODER && s->partitioned_frame)
2082 ff_mpeg4_init_partitions(s);
2083 break;
2084 }
2085
2086 s->resync_mb_x=0;
2087 s->resync_mb_y=0;
2088 s->first_slice_line = 1;
2089 s->ptr_lastgob = s->pb.buf;
2090 for(mb_y= s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
2091 // printf("row %d at %X\n", s->mb_y, (int)s);
2092 s->mb_x=0;
2093 s->mb_y= mb_y;
2094
2095 ff_set_qscale(s, s->qscale);
2096 ff_init_block_index(s);
2097
2098 for(mb_x=0; mb_x < s->mb_width; mb_x++) {
2099 int xy= mb_y*s->mb_stride + mb_x; // removed const, H261 needs to adjust this
2100 int mb_type= s->mb_type[xy];
2101 // int d;
2102 int dmin= INT_MAX;
2103 int dir;
2104
2105 if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < MAX_MB_BYTES){
2106 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
2107 return -1;
2108 }
2109 if(s->data_partitioning){
2110 if( s->pb2 .buf_end - s->pb2 .buf - (put_bits_count(&s-> pb2)>>3) < MAX_MB_BYTES
2111 || s->tex_pb.buf_end - s->tex_pb.buf - (put_bits_count(&s->tex_pb )>>3) < MAX_MB_BYTES){
2112 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
2113 return -1;
2114 }
2115 }
2116
2117 s->mb_x = mb_x;
2118 s->mb_y = mb_y; // moved into loop, can get changed by H.261
2119 ff_update_block_index(s);
2120
2121 if(CONFIG_H261_ENCODER && s->codec_id == CODEC_ID_H261){
2122 ff_h261_reorder_mb_index(s);
2123 xy= s->mb_y*s->mb_stride + s->mb_x;
2124 mb_type= s->mb_type[xy];
2125 }
2126
2127 /* write gob / video packet header */
2128 if(s->rtp_mode){
2129 int current_packet_size, is_gob_start;
2130
2131 current_packet_size= ((put_bits_count(&s->pb)+7)>>3) - (s->ptr_lastgob - s->pb.buf);
2132
2133 is_gob_start= s->avctx->rtp_payload_size && current_packet_size >= s->avctx->rtp_payload_size && mb_y + mb_x>0;
2134
2135 if(s->start_mb_y == mb_y && mb_y > 0 && mb_x==0) is_gob_start=1;
2136
2137 switch(s->codec_id){
2138 case CODEC_ID_H263:
2139 case CODEC_ID_H263P:
2140 if(!s->h263_slice_structured)
2141 if(s->mb_x || s->mb_y%s->gob_index) is_gob_start=0;
2142 break;
2143 case CODEC_ID_MPEG2VIDEO:
2144 if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1;
2145 case CODEC_ID_MPEG1VIDEO:
2146 if(s->mb_skip_run) is_gob_start=0;
2147 break;
2148 }
2149
2150 if(is_gob_start){
2151 if(s->start_mb_y != mb_y || mb_x!=0){
2152 write_slice_end(s);
2153
2154 if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->partitioned_frame){
2155 ff_mpeg4_init_partitions(s);
2156 }
2157 }
2158
2159 assert((put_bits_count(&s->pb)&7) == 0);
2160 current_packet_size= put_bits_ptr(&s->pb) - s->ptr_lastgob;
2161
2162 if(s->avctx->error_rate && s->resync_mb_x + s->resync_mb_y > 0){
2163 int r= put_bits_count(&s->pb)/8 + s->picture_number + 16 + s->mb_x + s->mb_y;
2164 int d= 100 / s->avctx->error_rate;
2165 if(r % d == 0){
2166 current_packet_size=0;
2167 #ifndef ALT_BITSTREAM_WRITER
2168 s->pb.buf_ptr= s->ptr_lastgob;
2169 #endif
2170 assert(put_bits_ptr(&s->pb) == s->ptr_lastgob);
2171 }
2172 }
2173
2174 if (s->avctx->rtp_callback){
2175 int number_mb = (mb_y - s->resync_mb_y)*s->mb_width + mb_x - s->resync_mb_x;
2176 s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, current_packet_size, number_mb);
2177 }
2178
2179 switch(s->codec_id){
2180 case CODEC_ID_MPEG4:
2181 if (CONFIG_MPEG4_ENCODER) {
2182 ff_mpeg4_encode_video_packet_header(s);
2183 ff_mpeg4_clean_buffers(s);
2184 }
2185 break;
2186 case CODEC_ID_MPEG1VIDEO:
2187 case CODEC_ID_MPEG2VIDEO:
2188 if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER) {
2189 ff_mpeg1_encode_slice_header(s);
2190 ff_mpeg1_clean_buffers(s);
2191 }
2192 break;
2193 case CODEC_ID_H263:
2194 case CODEC_ID_H263P:
2195 if (CONFIG_H263_ENCODER)
2196 h263_encode_gob_header(s, mb_y);
2197 break;
2198 }
2199
2200 if(s->flags&CODEC_FLAG_PASS1){
2201 int bits= put_bits_count(&s->pb);
2202 s->misc_bits+= bits - s->last_bits;
2203 s->last_bits= bits;
2204 }
2205
2206 s->ptr_lastgob += current_packet_size;
2207 s->first_slice_line=1;
2208 s->resync_mb_x=mb_x;
2209 s->resync_mb_y=mb_y;
2210 }
2211 }
2212
2213 if( (s->resync_mb_x == s->mb_x)
2214 && s->resync_mb_y+1 == s->mb_y){
2215 s->first_slice_line=0;
2216 }
2217
2218 s->mb_skipped=0;
2219 s->dquant=0; //only for QP_RD
2220
2221 if(mb_type & (mb_type-1) || (s->flags & CODEC_FLAG_QP_RD)){ // more than 1 MB type possible or CODEC_FLAG_QP_RD
2222 int next_block=0;
2223 int pb_bits_count, pb2_bits_count, tex_pb_bits_count;
2224
2225 copy_context_before_encode(&backup_s, s, -1);
2226 backup_s.pb= s->pb;
2227 best_s.data_partitioning= s->data_partitioning;
2228 best_s.partitioned_frame= s->partitioned_frame;
2229 if(s->data_partitioning){
2230 backup_s.pb2= s->pb2;
2231 backup_s.tex_pb= s->tex_pb;
2232 }
2233
2234 if(mb_type&CANDIDATE_MB_TYPE_INTER){
2235 s->mv_dir = MV_DIR_FORWARD;
2236 s->mv_type = MV_TYPE_16X16;
2237 s->mb_intra= 0;
2238 s->mv[0][0][0] = s->p_mv_table[xy][0];
2239 s->mv[0][0][1] = s->p_mv_table[xy][1];
2240 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER, pb, pb2, tex_pb,
2241 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2242 }
2243 if(mb_type&CANDIDATE_MB_TYPE_INTER_I){
2244 s->mv_dir = MV_DIR_FORWARD;
2245 s->mv_type = MV_TYPE_FIELD;
2246 s->mb_intra= 0;
2247 for(i=0; i<2; i++){
2248 j= s->field_select[0][i] = s->p_field_select_table[i][xy];
2249 s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
2250 s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
2251 }
2252 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER_I, pb, pb2, tex_pb,
2253 &dmin, &next_block, 0, 0);
2254 }
2255 if(mb_type&CANDIDATE_MB_TYPE_SKIPPED){
2256 s->mv_dir = MV_DIR_FORWARD;
2257 s->mv_type = MV_TYPE_16X16;
2258 s->mb_intra= 0;
2259 s->mv[0][0][0] = 0;
2260 s->mv[0][0][1] = 0;
2261 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_SKIPPED, pb, pb2, tex_pb,
2262 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2263 }
2264 if(mb_type&CANDIDATE_MB_TYPE_INTER4V){
2265 s->mv_dir = MV_DIR_FORWARD;
2266 s->mv_type = MV_TYPE_8X8;
2267 s->mb_intra= 0;
2268 for(i=0; i<4; i++){
2269 s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
2270 s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
2271 }
2272 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER4V, pb, pb2, tex_pb,
2273 &dmin, &next_block, 0, 0);
2274 }
2275 if(mb_type&CANDIDATE_MB_TYPE_FORWARD){
2276 s->mv_dir = MV_DIR_FORWARD;
2277 s->mv_type = MV_TYPE_16X16;
2278 s->mb_intra= 0;
2279 s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
2280 s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
2281 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD, pb, pb2, tex_pb,
2282 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2283 }
2284 if(mb_type&CANDIDATE_MB_TYPE_BACKWARD){
2285 s->mv_dir = MV_DIR_BACKWARD;
2286 s->mv_type = MV_TYPE_16X16;
2287 s->mb_intra= 0;
2288 s->mv[1][0][0] = s->b_back_mv_table[xy][0];
2289 s->mv[1][0][1] = s->b_back_mv_table[xy][1];
2290 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD, pb, pb2, tex_pb,
2291 &dmin, &next_block, s->mv[1][0][0], s->mv[1][0][1]);
2292 }
2293 if(mb_type&CANDIDATE_MB_TYPE_BIDIR){
2294 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2295 s->mv_type = MV_TYPE_16X16;
2296 s->mb_intra= 0;
2297 s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
2298 s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
2299 s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
2300 s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
2301 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR, pb, pb2, tex_pb,
2302 &dmin, &next_block, 0, 0);
2303 }
2304 if(mb_type&CANDIDATE_MB_TYPE_FORWARD_I){
2305 s->mv_dir = MV_DIR_FORWARD;
2306 s->mv_type = MV_TYPE_FIELD;
2307 s->mb_intra= 0;
2308 for(i=0; i<2; i++){
2309 j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
2310 s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
2311 s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
2312 }
2313 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD_I, pb, pb2, tex_pb,
2314 &dmin, &next_block, 0, 0);
2315 }
2316 if(mb_type&CANDIDATE_MB_TYPE_BACKWARD_I){
2317 s->mv_dir = MV_DIR_BACKWARD;
2318 s->mv_type = MV_TYPE_FIELD;
2319 s->mb_intra= 0;
2320 for(i=0; i<2; i++){
2321 j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
2322 s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
2323 s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
2324 }
2325 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD_I, pb, pb2, tex_pb,
2326 &dmin, &next_block, 0, 0);
2327 }
2328 if(mb_type&CANDIDATE_MB_TYPE_BIDIR_I){
2329 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2330 s->mv_type = MV_TYPE_FIELD;
2331 s->mb_intra= 0;
2332 for(dir=0; dir<2; dir++){
2333 for(i=0; i<2; i++){
2334 j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
2335 s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
2336 s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
2337 }
2338 }
2339 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR_I, pb, pb2, tex_pb,
2340 &dmin, &next_block, 0, 0);
2341 }
2342 if(mb_type&CANDIDATE_MB_TYPE_INTRA){
2343 s->mv_dir = 0;
2344 s->mv_type = MV_TYPE_16X16;
2345 s->mb_intra= 1;
2346 s->mv[0][0][0] = 0;
2347 s->mv[0][0][1] = 0;
2348 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTRA, pb, pb2, tex_pb,
2349 &dmin, &next_block, 0, 0);
2350 if(s->h263_pred || s->h263_aic){
2351 if(best_s.mb_intra)
2352 s->mbintra_table[mb_x + mb_y*s->mb_stride]=1;
2353 else
2354 ff_clean_intra_table_entries(s); //old mode?
2355 }
2356 }
2357
2358 if((s->flags & CODEC_FLAG_QP_RD) && dmin < INT_MAX){
2359 if(best_s.mv_type==MV_TYPE_16X16){ //FIXME move 4mv after QPRD
2360 const int last_qp= backup_s.qscale;
2361 int qpi, qp, dc[6];
2362 DCTELEM ac[6][16];
2363 const int mvdir= (best_s.mv_dir&MV_DIR_BACKWARD) ? 1 : 0;
2364 static const int dquant_tab[4]={-1,1,-2,2};
2365
2366 assert(backup_s.dquant == 0);
2367
2368 //FIXME intra
2369 s->mv_dir= best_s.mv_dir;
2370 s->mv_type = MV_TYPE_16X16;
2371 s->mb_intra= best_s.mb_intra;
2372 s->mv[0][0][0] = best_s.mv[0][0][0];
2373 s->mv[0][0][1] = best_s.mv[0][0][1];
2374 s->mv[1][0][0] = best_s.mv[1][0][0];
2375 s->mv[1][0][1] = best_s.mv[1][0][1];
2376
2377 qpi = s->pict_type == FF_B_TYPE ? 2 : 0;
2378 for(; qpi<4; qpi++){
2379 int dquant= dquant_tab[qpi];
2380 qp= last_qp + dquant;
2381 if(qp < s->avctx->qmin || qp > s->avctx->qmax)
2382 continue;
2383 backup_s.dquant= dquant;
2384 if(s->mb_intra && s->dc_val[0]){
2385 for(i=0; i<6; i++){
2386 dc[i]= s->dc_val[0][ s->block_index[i] ];
2387 memcpy(ac[i], s->ac_val[0][s->block_index[i]], sizeof(DCTELEM)*16);
2388 }
2389 }
2390
2391 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
2392 &dmin, &next_block, s->mv[mvdir][0][0], s->mv[mvdir][0][1]);
2393 if(best_s.qscale != qp){
2394 if(s->mb_intra && s->dc_val[0]){
2395 for(i=0; i<6; i++){
2396 s->dc_val[0][ s->block_index[i] ]= dc[i];
2397 memcpy(s->ac_val[0][s->block_index[i]], ac[i], sizeof(DCTELEM)*16);
2398 }
2399 }
2400 }
2401 }
2402 }
2403 }
2404 if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT){
2405 int mx= s->b_direct_mv_table[xy][0];
2406 int my= s->b_direct_mv_table[xy][1];
2407
2408 backup_s.dquant = 0;
2409 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2410 s->mb_intra= 0;
2411 ff_mpeg4_set_direct_mv(s, mx, my);
2412 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
2413 &dmin, &next_block, mx, my);
2414 }
2415 if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT0){
2416 backup_s.dquant = 0;
2417 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2418 s->mb_intra= 0;
2419 ff_mpeg4_set_direct_mv(s, 0, 0);
2420 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
2421 &dmin, &next_block, 0, 0);
2422 }
2423 if(!best_s.mb_intra && s->flags2&CODEC_FLAG2_SKIP_RD){
2424 int coded=0;
2425 for(i=0; i<6; i++)
2426 coded |= s->block_last_index[i];
2427 if(coded){
2428 int mx,my;
2429 memcpy(s->mv, best_s.mv, sizeof(s->mv));
2430 if(CONFIG_MPEG4_ENCODER && best_s.mv_dir & MV_DIRECT){
2431 mx=my=0; //FIXME find the one we actually used
2432 ff_mpeg4_set_direct_mv(s, mx, my);
2433 }else if(best_s.mv_dir&MV_DIR_BACKWARD){
2434 mx= s->mv[1][0][0];
2435 my= s->mv[1][0][1];
2436 }else{
2437 mx= s->mv[0][0][0];
2438 my= s->mv[0][0][1];
2439 }
2440
2441 s->mv_dir= best_s.mv_dir;
2442 s->mv_type = best_s.mv_type;
2443 s->mb_intra= 0;
2444 /* s->mv[0][0][0] = best_s.mv[0][0][0];
2445 s->mv[0][0][1] = best_s.mv[0][0][1];
2446 s->mv[1][0][0] = best_s.mv[1][0][0];
2447 s->mv[1][0][1] = best_s.mv[1][0][1];*/
2448 backup_s.dquant= 0;
2449 s->skipdct=1;
2450 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
2451 &dmin, &next_block, mx, my);
2452 s->skipdct=0;
2453 }
2454 }
2455
2456 s->current_picture.qscale_table[xy]= best_s.qscale;
2457
2458 copy_context_after_encode(s, &best_s, -1);
2459
2460 pb_bits_count= put_bits_count(&s->pb);
2461 flush_put_bits(&s->pb);
2462 ff_copy_bits(&backup_s.pb, bit_buf[next_block^1], pb_bits_count);
2463 s->pb= backup_s.pb;
2464
2465 if(s->data_partitioning){
2466 pb2_bits_count= put_bits_count(&s->pb2);
2467 flush_put_bits(&s->pb2);
2468 ff_copy_bits(&backup_s.pb2, bit_buf2[next_block^1], pb2_bits_count);
2469 s->pb2= backup_s.pb2;
2470
2471 tex_pb_bits_count= put_bits_count(&s->tex_pb);
2472 flush_put_bits(&s->tex_pb);
2473 ff_copy_bits(&backup_s.tex_pb, bit_buf_tex[next_block^1], tex_pb_bits_count);
2474 s->tex_pb= backup_s.tex_pb;
2475 }
2476 s->last_bits= put_bits_count(&s->pb);
2477
2478 if (CONFIG_H263_ENCODER &&
2479 s->out_format == FMT_H263 && s->pict_type!=FF_B_TYPE)
2480 ff_h263_update_motion_val(s);
2481
2482 if(next_block==0){ //FIXME 16 vs linesize16
2483 s->dsp.put_pixels_tab[0][0](s->dest[0], s->rd_scratchpad , s->linesize ,16);
2484 s->dsp.put_pixels_tab[1][0](s->dest[1], s->rd_scratchpad + 16*s->linesize , s->uvlinesize, 8);
2485 s->dsp.put_pixels_tab[1][0](s->dest[2], s->rd_scratchpad + 16*s->linesize + 8, s->uvlinesize, 8);
2486 }
2487
2488 if(s->avctx->mb_decision == FF_MB_DECISION_BITS)
2489 MPV_decode_mb(s, s->block);
2490 } else {
2491 int motion_x = 0, motion_y = 0;
2492 s->mv_type=MV_TYPE_16X16;
2493 // only one MB-Type possible
2494
2495 switch(mb_type){
2496 case CANDIDATE_MB_TYPE_INTRA:
2497 s->mv_dir = 0;
2498 s->mb_intra= 1;
2499 motion_x= s->mv[0][0][0] = 0;
2500 motion_y= s->mv[0][0][1] = 0;
2501 break;
2502 case CANDIDATE_MB_TYPE_INTER:
2503 s->mv_dir = MV_DIR_FORWARD;
2504 s->mb_intra= 0;
2505 motion_x= s->mv[0][0][0] = s->p_mv_table[xy][0];
2506 motion_y= s->mv[0][0][1] = s->p_mv_table[xy][1];
2507 break;
2508 case CANDIDATE_MB_TYPE_INTER_I:
2509 s->mv_dir = MV_DIR_FORWARD;
2510 s->mv_type = MV_TYPE_FIELD;
2511 s->mb_intra= 0;
2512 for(i=0; i<2; i++){
2513 j= s->field_select[0][i] = s->p_field_select_table[i][xy];
2514 s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
2515 s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
2516 }
2517 break;
2518 case CANDIDATE_MB_TYPE_INTER4V:
2519 s->mv_dir = MV_DIR_FORWARD;
2520 s->mv_type = MV_TYPE_8X8;
2521 s->mb_intra= 0;
2522 for(i=0; i<4; i++){
2523 s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
2524 s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
2525 }
2526 break;
2527 case CANDIDATE_MB_TYPE_DIRECT:
2528 if (CONFIG_MPEG4_ENCODER) {
2529 s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT;
2530 s->mb_intra= 0;
2531 motion_x=s->b_direct_mv_table[xy][0];
2532 motion_y=s->b_direct_mv_table[xy][1];
2533 ff_mpeg4_set_direct_mv(s, motion_x, motion_y);
2534 }
2535 break;
2536 case CANDIDATE_MB_TYPE_DIRECT0:
2537 if (CONFIG_MPEG4_ENCODER) {
2538 s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT;
2539 s->mb_intra= 0;
2540 ff_mpeg4_set_direct_mv(s, 0, 0);
2541 }
2542 break;
2543 case CANDIDATE_MB_TYPE_BIDIR:
2544 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2545 s->mb_intra= 0;
2546 s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
2547 s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
2548 s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
2549 s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
2550 break;
2551 case CANDIDATE_MB_TYPE_BACKWARD:
2552 s->mv_dir = MV_DIR_BACKWARD;
2553 s->mb_intra= 0;
2554 motion_x= s->mv[1][0][0] = s->b_back_mv_table[xy][0];
2555 motion_y= s->mv[1][0][1] = s->b_back_mv_table[xy][1];
2556 break;
2557 case CANDIDATE_MB_TYPE_FORWARD:
2558 s->mv_dir = MV_DIR_FORWARD;
2559 s->mb_intra= 0;
2560 motion_x= s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
2561 motion_y= s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
2562 // printf(" %d %d ", motion_x, motion_y);
2563 break;
2564 case CANDIDATE_MB_TYPE_FORWARD_I:
2565 s->mv_dir = MV_DIR_FORWARD;
2566 s->mv_type = MV_TYPE_FIELD;
2567 s->mb_intra= 0;
2568 for(i=0; i<2; i++){
2569 j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
2570 s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
2571 s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
2572 }
2573 break;
2574 case CANDIDATE_MB_TYPE_BACKWARD_I:
2575 s->mv_dir = MV_DIR_BACKWARD;
2576 s->mv_type = MV_TYPE_FIELD;
2577 s->mb_intra= 0;
2578 for(i=0; i<2; i++){
2579 j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
2580 s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
2581 s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
2582 }
2583 break;
2584 case CANDIDATE_MB_TYPE_BIDIR_I:
2585 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2586 s->mv_type = MV_TYPE_FIELD;
2587 s->mb_intra= 0;
2588 for(dir=0; dir<2; dir++){
2589 for(i=0; i<2; i++){
2590 j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
2591 s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
2592 s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
2593 }
2594 }
2595 break;
2596 default:
2597 av_log(s->avctx, AV_LOG_ERROR, "illegal MB type\n");
2598 }
2599
2600 encode_mb(s, motion_x, motion_y);
2601
2602 // RAL: Update last macroblock type
2603 s->last_mv_dir = s->mv_dir;
2604
2605 if (CONFIG_H263_ENCODER &&
2606 s->out_format == FMT_H263 && s->pict_type!=FF_B_TYPE)
2607 ff_h263_update_motion_val(s);
2608
2609 MPV_decode_mb(s, s->block);
2610 }
2611
2612 /* clean the MV table in IPS frames for direct mode in B frames */
2613 if(s->mb_intra /* && I,P,S_TYPE */){
2614 s->p_mv_table[xy][0]=0;
2615 s->p_mv_table[xy][1]=0;
2616 }
2617
2618 if(s->flags&CODEC_FLAG_PSNR){
2619 int w= 16;
2620 int h= 16;
2621
2622 if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
2623 if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
2624
2625 s->current_picture.error[0] += sse(
2626 s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16,
2627 s->dest[0], w, h, s->linesize);
2628 s->current_picture.error[1] += sse(
2629 s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h,
2630 s->dest[1], w>>1, h>>s->chroma_y_shift, s->uvlinesize);
2631 s->current_picture.error[2] += sse(
2632 s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h,
2633 s->dest[2], w>>1, h>>s->chroma_y_shift, s->uvlinesize);
2634 }
2635 if(s->loop_filter){
2636 if(CONFIG_H263_ENCODER && s->out_format == FMT_H263)
2637 ff_h263_loop_filter(s);
2638 }
2639 //printf("MB %d %d bits\n", s->mb_x+s->mb_y*s->mb_stride, put_bits_count(&s->pb));
2640 }
2641 }
2642
2643 //not beautiful here but we must write it before flushing so it has to be here
2644 if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type == FF_I_TYPE)
2645 msmpeg4_encode_ext_header(s);
2646
2647 write_slice_end(s);
2648
2649 /* Send the last GOB if RTP */
2650 if (s->avctx->rtp_callback) {
2651 int number_mb = (mb_y - s->resync_mb_y)*s->mb_width - s->resync_mb_x;
2652 pdif = put_bits_ptr(&s->pb) - s->ptr_lastgob;
2653 /* Call the RTP callback to send the last GOB */
2654 emms_c();
2655 s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, pdif, number_mb);
2656 }
2657
2658 return 0;
2659 }
2660
2661 #define MERGE(field) dst->field += src->field; src->field=0
2662 static void merge_context_after_me(MpegEncContext *dst, MpegEncContext *src){
2663 MERGE(me.scene_change_score);
2664 MERGE(me.mc_mb_var_sum_temp);
2665 MERGE(me.mb_var_sum_temp);
2666 }
2667
2668 static void merge_context_after_encode(MpegEncContext *dst, MpegEncContext *src){
2669 int i;
2670
2671 MERGE(dct_count[0]); //note, the other dct vars are not part of the context
2672 MERGE(dct_count[1]);
2673 MERGE(mv_bits);
2674 MERGE(i_tex_bits);
2675 MERGE(p_tex_bits);
2676 MERGE(i_count);
2677 MERGE(f_count);
2678 MERGE(b_count);
2679 MERGE(skip_count);
2680 MERGE(misc_bits);
2681 MERGE(error_count);
2682 MERGE(padding_bug_score);
2683 MERGE(current_picture.error[0]);
2684 MERGE(current_picture.error[1]);
2685 MERGE(current_picture.error[2]);
2686
2687 if(dst->avctx->noise_reduction){
2688 for(i=0; i<64; i++){
2689 MERGE(dct_error_sum[0][i]);
2690 MERGE(dct_error_sum[1][i]);
2691 }
2692 }
2693
2694 assert(put_bits_count(&src->pb) % 8 ==0);
2695 assert(put_bits_count(&dst->pb) % 8 ==0);
2696 ff_copy_bits(&dst->pb, src->pb.buf, put_bits_count(&src->pb));
2697 flush_put_bits(&dst->pb);
2698 }
2699
2700 static int estimate_qp(MpegEncContext *s, int dry_run){
2701 if (s->next_lambda){
2702 s->current_picture_ptr->quality=
2703 s->current_picture.quality = s->next_lambda;
2704 if(!dry_run) s->next_lambda= 0;
2705 } else if (!s->fixed_qscale) {
2706 s->current_picture_ptr->quality=
2707 s->current_picture.quality = ff_rate_estimate_qscale(s, dry_run);
2708 if (s->current_picture.quality < 0)
2709 return -1;
2710 }
2711
2712 if(s->adaptive_quant){
2713 switch(s->codec_id){
2714 case CODEC_ID_MPEG4:
2715 if (CONFIG_MPEG4_ENCODER)
2716 ff_clean_mpeg4_qscales(s);
2717 break;
2718 case CODEC_ID_H263:
2719 case CODEC_ID_H263P:
2720 case CODEC_ID_FLV1:
2721 if (CONFIG_H263_ENCODER)
2722 ff_clean_h263_qscales(s);
2723 break;
2724 default:
2725 ff_init_qscale_tab(s);
2726 }
2727
2728 s->lambda= s->lambda_table[0];
2729 //FIXME broken
2730 }else
2731 s->lambda= s->current_picture.quality;
2732 //printf("%d %d\n", s->avctx->global_quality, s->current_picture.quality);
2733 update_qscale(s);
2734 return 0;
2735 }