split mpeg12 encoder out of mpeg12.c
[libav.git] / libavcodec / mpegvideo_enc.c
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1/*
2 * The simplest mpeg encoder (well, it was the simplest!)
3 * Copyright (c) 2000,2001 Fabrice Bellard.
4 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 *
22 * 4MV & hq & b-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at>
23 */
24
25/**
26 * @file mpegvideo_enc.c
27 * The simplest mpeg encoder (well, it was the simplest!).
28 */
29
30#include "avcodec.h"
31#include "dsputil.h"
32#include "mpegvideo.h"
33#include "mpegvideo_common.h"
34#include "mjpegenc.h"
35#include "msmpeg4.h"
36#include "faandct.h"
37#include <limits.h>
38
39//#undef NDEBUG
40//#include <assert.h>
41
42static int encode_picture(MpegEncContext *s, int picture_number);
43static int dct_quantize_refine(MpegEncContext *s, DCTELEM *block, int16_t *weight, DCTELEM *orig, int n, int qscale);
44static int sse_mb(MpegEncContext *s);
45
46/* enable all paranoid tests for rounding, overflows, etc... */
47//#define PARANOID
48
49//#define DEBUG
50
51static const uint16_t aanscales[64] = {
52 /* precomputed values scaled up by 14 bits */
53 16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520,
54 22725, 31521, 29692, 26722, 22725, 17855, 12299, 6270,
55 21407, 29692, 27969, 25172, 21407, 16819, 11585, 5906,
56 19266, 26722, 25172, 22654, 19266, 15137, 10426, 5315,
57 16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520,
58 12873, 17855, 16819, 15137, 12873, 10114, 6967, 3552,
59 8867 , 12299, 11585, 10426, 8867, 6967, 4799, 2446,
60 4520 , 6270, 5906, 5315, 4520, 3552, 2446, 1247
61};
62
63static uint8_t default_mv_penalty[MAX_FCODE+1][MAX_MV*2+1];
64static uint8_t default_fcode_tab[MAX_MV*2+1];
65
66enum PixelFormat ff_yuv420p_list[2]= {PIX_FMT_YUV420P, -1};
67
68static void convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64],
69 const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra)
70{
71 int qscale;
72 int shift=0;
73
74 for(qscale=qmin; qscale<=qmax; qscale++){
75 int i;
76 if (dsp->fdct == ff_jpeg_fdct_islow
77#ifdef FAAN_POSTSCALE
78 || dsp->fdct == ff_faandct
79#endif
80 ) {
81 for(i=0;i<64;i++) {
82 const int j= dsp->idct_permutation[i];
83 /* 16 <= qscale * quant_matrix[i] <= 7905 */
84 /* 19952 <= aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
85 /* (1<<36)/19952 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
86 /* 3444240 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= 275 */
87
88 qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) /
89 (qscale * quant_matrix[j]));
90 }
91 } else if (dsp->fdct == fdct_ifast
92#ifndef FAAN_POSTSCALE
93 || dsp->fdct == ff_faandct
94#endif
95 ) {
96 for(i=0;i<64;i++) {
97 const int j= dsp->idct_permutation[i];
98 /* 16 <= qscale * quant_matrix[i] <= 7905 */
99 /* 19952 <= aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
100 /* (1<<36)/19952 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
101 /* 3444240 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= 275 */
102
103 qmat[qscale][i] = (int)((UINT64_C(1) << (QMAT_SHIFT + 14)) /
104 (aanscales[i] * qscale * quant_matrix[j]));
105 }
106 } else {
107 for(i=0;i<64;i++) {
108 const int j= dsp->idct_permutation[i];
109 /* We can safely suppose that 16 <= quant_matrix[i] <= 255
110 So 16 <= qscale * quant_matrix[i] <= 7905
111 so (1<<19) / 16 >= (1<<19) / (qscale * quant_matrix[i]) >= (1<<19) / 7905
112 so 32768 >= (1<<19) / (qscale * quant_matrix[i]) >= 67
113 */
114 qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) / (qscale * quant_matrix[j]));
115// qmat [qscale][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[i]);
116 qmat16[qscale][0][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[j]);
117
118 if(qmat16[qscale][0][i]==0 || qmat16[qscale][0][i]==128*256) qmat16[qscale][0][i]=128*256-1;
119 qmat16[qscale][1][i]= ROUNDED_DIV(bias<<(16-QUANT_BIAS_SHIFT), qmat16[qscale][0][i]);
120 }
121 }
122
123 for(i=intra; i<64; i++){
124 int64_t max= 8191;
125 if (dsp->fdct == fdct_ifast
126#ifndef FAAN_POSTSCALE
127 || dsp->fdct == ff_faandct
128#endif
129 ) {
130 max= (8191LL*aanscales[i]) >> 14;
131 }
132 while(((max * qmat[qscale][i]) >> shift) > INT_MAX){
133 shift++;
134 }
135 }
136 }
137 if(shift){
138 av_log(NULL, AV_LOG_INFO, "Warning, QMAT_SHIFT is larger than %d, overflows possible\n", QMAT_SHIFT - shift);
139 }
140}
141
142static inline void update_qscale(MpegEncContext *s){
143 s->qscale= (s->lambda*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
144 s->qscale= av_clip(s->qscale, s->avctx->qmin, s->avctx->qmax);
145
146 s->lambda2= (s->lambda*s->lambda + FF_LAMBDA_SCALE/2) >> FF_LAMBDA_SHIFT;
147}
148
149void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix){
150 int i;
151
152 if(matrix){
153 put_bits(pb, 1, 1);
154 for(i=0;i<64;i++) {
155 put_bits(pb, 8, matrix[ ff_zigzag_direct[i] ]);
156 }
157 }else
158 put_bits(pb, 1, 0);
159}
160
161static void copy_picture_attributes(MpegEncContext *s, AVFrame *dst, AVFrame *src){
162 int i;
163
164 dst->pict_type = src->pict_type;
165 dst->quality = src->quality;
166 dst->coded_picture_number = src->coded_picture_number;
167 dst->display_picture_number = src->display_picture_number;
168// dst->reference = src->reference;
169 dst->pts = src->pts;
170 dst->interlaced_frame = src->interlaced_frame;
171 dst->top_field_first = src->top_field_first;
172
173 if(s->avctx->me_threshold){
174 if(!src->motion_val[0])
175 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_val not set!\n");
176 if(!src->mb_type)
177 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.mb_type not set!\n");
178 if(!src->ref_index[0])
179 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.ref_index not set!\n");
180 if(src->motion_subsample_log2 != dst->motion_subsample_log2)
181 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_subsample_log2 doesn't match! (%d!=%d)\n",
182 src->motion_subsample_log2, dst->motion_subsample_log2);
183
184 memcpy(dst->mb_type, src->mb_type, s->mb_stride * s->mb_height * sizeof(dst->mb_type[0]));
185
186 for(i=0; i<2; i++){
187 int stride= ((16*s->mb_width )>>src->motion_subsample_log2) + 1;
188 int height= ((16*s->mb_height)>>src->motion_subsample_log2);
189
190 if(src->motion_val[i] && src->motion_val[i] != dst->motion_val[i]){
191 memcpy(dst->motion_val[i], src->motion_val[i], 2*stride*height*sizeof(int16_t));
192 }
193 if(src->ref_index[i] && src->ref_index[i] != dst->ref_index[i]){
194 memcpy(dst->ref_index[i], src->ref_index[i], s->b8_stride*2*s->mb_height*sizeof(int8_t));
195 }
196 }
197 }
198}
199
200static void update_duplicate_context_after_me(MpegEncContext *dst, MpegEncContext *src){
201#define COPY(a) dst->a= src->a
202 COPY(pict_type);
203 COPY(current_picture);
204 COPY(f_code);
205 COPY(b_code);
206 COPY(qscale);
207 COPY(lambda);
208 COPY(lambda2);
209 COPY(picture_in_gop_number);
210 COPY(gop_picture_number);
211 COPY(frame_pred_frame_dct); //FIXME don't set in encode_header
212 COPY(progressive_frame); //FIXME don't set in encode_header
213 COPY(partitioned_frame); //FIXME don't set in encode_header
214#undef COPY
215}
216
217/**
218 * sets the given MpegEncContext to defaults for encoding.
219 * the changed fields will not depend upon the prior state of the MpegEncContext.
220 */
221static void MPV_encode_defaults(MpegEncContext *s){
222 int i;
223 MPV_common_defaults(s);
224
225 for(i=-16; i<16; i++){
226 default_fcode_tab[i + MAX_MV]= 1;
227 }
228 s->me.mv_penalty= default_mv_penalty;
229 s->fcode_tab= default_fcode_tab;
230}
231
232/* init video encoder */
233int MPV_encode_init(AVCodecContext *avctx)
234{
235 MpegEncContext *s = avctx->priv_data;
236 int i;
237 int chroma_h_shift, chroma_v_shift;
238
239 MPV_encode_defaults(s);
240
241 switch (avctx->codec_id) {
242 case CODEC_ID_MPEG2VIDEO:
243 if(avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P){
244 av_log(avctx, AV_LOG_ERROR, "only YUV420 and YUV422 are supported\n");
245 return -1;
246 }
247 break;
248 case CODEC_ID_LJPEG:
249 case CODEC_ID_MJPEG:
250 if(avctx->pix_fmt != PIX_FMT_YUVJ420P && avctx->pix_fmt != PIX_FMT_YUVJ422P &&
251 ((avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P) || avctx->strict_std_compliance>FF_COMPLIANCE_INOFFICIAL)){
252 av_log(avctx, AV_LOG_ERROR, "colorspace not supported in jpeg\n");
253 return -1;
254 }
255 break;
256 default:
257 if(avctx->pix_fmt != PIX_FMT_YUV420P){
258 av_log(avctx, AV_LOG_ERROR, "only YUV420 is supported\n");
259 return -1;
260 }
261 }
262
263 switch (avctx->pix_fmt) {
264 case PIX_FMT_YUVJ422P:
265 case PIX_FMT_YUV422P:
266 s->chroma_format = CHROMA_422;
267 break;
268 case PIX_FMT_YUVJ420P:
269 case PIX_FMT_YUV420P:
270 default:
271 s->chroma_format = CHROMA_420;
272 break;
273 }
274
275 s->bit_rate = avctx->bit_rate;
276 s->width = avctx->width;
277 s->height = avctx->height;
278 if(avctx->gop_size > 600 && avctx->strict_std_compliance>FF_COMPLIANCE_EXPERIMENTAL){
279 av_log(avctx, AV_LOG_ERROR, "Warning keyframe interval too large! reducing it ...\n");
280 avctx->gop_size=600;
281 }
282 s->gop_size = avctx->gop_size;
283 s->avctx = avctx;
284 s->flags= avctx->flags;
285 s->flags2= avctx->flags2;
286 s->max_b_frames= avctx->max_b_frames;
287 s->codec_id= avctx->codec->id;
288 s->luma_elim_threshold = avctx->luma_elim_threshold;
289 s->chroma_elim_threshold= avctx->chroma_elim_threshold;
290 s->strict_std_compliance= avctx->strict_std_compliance;
291 s->data_partitioning= avctx->flags & CODEC_FLAG_PART;
292 s->quarter_sample= (avctx->flags & CODEC_FLAG_QPEL)!=0;
293 s->mpeg_quant= avctx->mpeg_quant;
294 s->rtp_mode= !!avctx->rtp_payload_size;
295 s->intra_dc_precision= avctx->intra_dc_precision;
296 s->user_specified_pts = AV_NOPTS_VALUE;
297
298 if (s->gop_size <= 1) {
299 s->intra_only = 1;
300 s->gop_size = 12;
301 } else {
302 s->intra_only = 0;
303 }
304
305 s->me_method = avctx->me_method;
306
307 /* Fixed QSCALE */
308 s->fixed_qscale = !!(avctx->flags & CODEC_FLAG_QSCALE);
309
310 s->adaptive_quant= ( s->avctx->lumi_masking
311 || s->avctx->dark_masking
312 || s->avctx->temporal_cplx_masking
313 || s->avctx->spatial_cplx_masking
314 || s->avctx->p_masking
315 || s->avctx->border_masking
316 || (s->flags&CODEC_FLAG_QP_RD))
317 && !s->fixed_qscale;
318
319 s->obmc= !!(s->flags & CODEC_FLAG_OBMC);
320 s->loop_filter= !!(s->flags & CODEC_FLAG_LOOP_FILTER);
321 s->alternate_scan= !!(s->flags & CODEC_FLAG_ALT_SCAN);
322 s->intra_vlc_format= !!(s->flags2 & CODEC_FLAG2_INTRA_VLC);
323 s->q_scale_type= !!(s->flags2 & CODEC_FLAG2_NON_LINEAR_QUANT);
324
325 if(avctx->rc_max_rate && !avctx->rc_buffer_size){
326 av_log(avctx, AV_LOG_ERROR, "a vbv buffer size is needed, for encoding with a maximum bitrate\n");
327 return -1;
328 }
329
330 if(avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate){
331 av_log(avctx, AV_LOG_INFO, "Warning min_rate > 0 but min_rate != max_rate isn't recommended!\n");
332 }
333
334 if(avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate){
335 av_log(avctx, AV_LOG_ERROR, "bitrate below min bitrate\n");
336 return -1;
337 }
338
339 if(avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate){
340 av_log(avctx, AV_LOG_INFO, "bitrate above max bitrate\n");
341 return -1;
342 }
343
344 if(avctx->rc_buffer_size && avctx->bit_rate*av_q2d(avctx->time_base) > avctx->rc_buffer_size){
345 av_log(avctx, AV_LOG_ERROR, "VBV buffer too small for bitrate\n");
346 return -1;
347 }
348
349 if(avctx->bit_rate*av_q2d(avctx->time_base) > avctx->bit_rate_tolerance){
350 av_log(avctx, AV_LOG_ERROR, "bitrate tolerance too small for bitrate\n");
351 return -1;
352 }
353
354 if( s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate
355 && (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO)
356 && 90000LL * (avctx->rc_buffer_size-1) > s->avctx->rc_max_rate*0xFFFFLL){
357
358 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");
359 }
360
361 if((s->flags & CODEC_FLAG_4MV) && s->codec_id != CODEC_ID_MPEG4
362 && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P && s->codec_id != CODEC_ID_FLV1){
363 av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n");
364 return -1;
365 }
366
367 if(s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE){
368 av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with simple mb decision\n");
369 return -1;
370 }
371
372 if(s->obmc && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P){
373 av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with H263(+)\n");
374 return -1;
375 }
376
377 if(s->quarter_sample && s->codec_id != CODEC_ID_MPEG4){
378 av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n");
379 return -1;
380 }
381
382 if(s->data_partitioning && s->codec_id != CODEC_ID_MPEG4){
383 av_log(avctx, AV_LOG_ERROR, "data partitioning not supported by codec\n");
384 return -1;
385 }
386
387 if(s->max_b_frames && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO){
388 av_log(avctx, AV_LOG_ERROR, "b frames not supported by codec\n");
389 return -1;
390 }
391
392 if((s->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN))
393 && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG2VIDEO){
394 av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n");
395 return -1;
396 }
397
398 if(s->mpeg_quant && s->codec_id != CODEC_ID_MPEG4){ //FIXME mpeg2 uses that too
399 av_log(avctx, AV_LOG_ERROR, "mpeg2 style quantization not supported by codec\n");
400 return -1;
401 }
402
403 if((s->flags & CODEC_FLAG_CBP_RD) && !(s->flags & CODEC_FLAG_TRELLIS_QUANT)){
404 av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n");
405 return -1;
406 }
407
408 if((s->flags & CODEC_FLAG_QP_RD) && s->avctx->mb_decision != FF_MB_DECISION_RD){
409 av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n");
410 return -1;
411 }
412
413 if(s->avctx->scenechange_threshold < 1000000000 && (s->flags & CODEC_FLAG_CLOSED_GOP)){
414 av_log(avctx, AV_LOG_ERROR, "closed gop with scene change detection arent supported yet, set threshold to 1000000000\n");
415 return -1;
416 }
417
418 if((s->flags2 & CODEC_FLAG2_INTRA_VLC) && s->codec_id != CODEC_ID_MPEG2VIDEO){
419 av_log(avctx, AV_LOG_ERROR, "intra vlc table not supported by codec\n");
420 return -1;
421 }
422
423 if(s->flags & CODEC_FLAG_LOW_DELAY){
424 if (s->codec_id != CODEC_ID_MPEG2VIDEO && s->codec_id != CODEC_ID_MPEG1VIDEO){
425 av_log(avctx, AV_LOG_ERROR, "low delay forcing is only available for mpeg1/2\n");
426 return -1;
427 }
428 if (s->max_b_frames != 0){
429 av_log(avctx, AV_LOG_ERROR, "b frames cannot be used with low delay\n");
430 return -1;
431 }
432 }
433
434 if(s->q_scale_type == 1){
435 if(s->codec_id != CODEC_ID_MPEG2VIDEO){
436 av_log(avctx, AV_LOG_ERROR, "non linear quant is only available for mpeg2\n");
437 return -1;
438 }
439 if(avctx->qmax > 12){
440 av_log(avctx, AV_LOG_ERROR, "non linear quant only supports qmax <= 12 currently\n");
441 return -1;
442 }
443 }
444
445 if(s->avctx->thread_count > 1 && s->codec_id != CODEC_ID_MPEG4
446 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO
447 && (s->codec_id != CODEC_ID_H263P || !(s->flags & CODEC_FLAG_H263P_SLICE_STRUCT))){
448 av_log(avctx, AV_LOG_ERROR, "multi threaded encoding not supported by codec\n");
449 return -1;
450 }
451
452 if(s->avctx->thread_count > 1)
453 s->rtp_mode= 1;
454
455 if(!avctx->time_base.den || !avctx->time_base.num){
456 av_log(avctx, AV_LOG_ERROR, "framerate not set\n");
457 return -1;
458 }
459
460 i= (INT_MAX/2+128)>>8;
461 if(avctx->me_threshold >= i){
462 av_log(avctx, AV_LOG_ERROR, "me_threshold too large, max is %d\n", i - 1);
463 return -1;
464 }
465 if(avctx->mb_threshold >= i){
466 av_log(avctx, AV_LOG_ERROR, "mb_threshold too large, max is %d\n", i - 1);
467 return -1;
468 }
469
470 if(avctx->b_frame_strategy && (avctx->flags&CODEC_FLAG_PASS2)){
471 av_log(avctx, AV_LOG_INFO, "notice: b_frame_strategy only affects the first pass\n");
472 avctx->b_frame_strategy = 0;
473 }
474
475 i= ff_gcd(avctx->time_base.den, avctx->time_base.num);
476 if(i > 1){
477 av_log(avctx, AV_LOG_INFO, "removing common factors from framerate\n");
478 avctx->time_base.den /= i;
479 avctx->time_base.num /= i;
480// return -1;
481 }
482
483 if(s->codec_id==CODEC_ID_MJPEG){
484 s->intra_quant_bias= 1<<(QUANT_BIAS_SHIFT-1); //(a + x/2)/x
485 s->inter_quant_bias= 0;
486 }else if(s->mpeg_quant || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO){
487 s->intra_quant_bias= 3<<(QUANT_BIAS_SHIFT-3); //(a + x*3/8)/x
488 s->inter_quant_bias= 0;
489 }else{
490 s->intra_quant_bias=0;
491 s->inter_quant_bias=-(1<<(QUANT_BIAS_SHIFT-2)); //(a - x/4)/x
492 }
493
494 if(avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS)
495 s->intra_quant_bias= avctx->intra_quant_bias;
496 if(avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS)
497 s->inter_quant_bias= avctx->inter_quant_bias;
498
499 avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift);
500
501 if(avctx->codec_id == CODEC_ID_MPEG4 && s->avctx->time_base.den > (1<<16)-1){
502 av_log(avctx, AV_LOG_ERROR, "timebase not supported by mpeg 4 standard\n");
503 return -1;
504 }
505 s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1;
506
507 switch(avctx->codec->id) {
508 case CODEC_ID_MPEG1VIDEO:
509 s->out_format = FMT_MPEG1;
510 s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY);
511 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
512 break;
513 case CODEC_ID_MPEG2VIDEO:
514 s->out_format = FMT_MPEG1;
515 s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY);
516 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
517 s->rtp_mode= 1;
518 break;
519 case CODEC_ID_LJPEG:
520 case CODEC_ID_MJPEG:
521 s->out_format = FMT_MJPEG;
522 s->intra_only = 1; /* force intra only for jpeg */
523 s->mjpeg_vsample[0] = 2;
524 s->mjpeg_vsample[1] = 2>>chroma_v_shift;
525 s->mjpeg_vsample[2] = 2>>chroma_v_shift;
526 s->mjpeg_hsample[0] = 2;
527 s->mjpeg_hsample[1] = 2>>chroma_h_shift;
528 s->mjpeg_hsample[2] = 2>>chroma_h_shift;
529 if (!(ENABLE_MJPEG_ENCODER || ENABLE_LJPEG_ENCODER)
530 || ff_mjpeg_encode_init(s) < 0)
531 return -1;
532 avctx->delay=0;
533 s->low_delay=1;
534 break;
535 case CODEC_ID_H261:
536 if (!ENABLE_H261_ENCODER) return -1;
537 if (ff_h261_get_picture_format(s->width, s->height) < 0) {
538 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);
539 return -1;
540 }
541 s->out_format = FMT_H261;
542 avctx->delay=0;
543 s->low_delay=1;
544 break;
545 case CODEC_ID_H263:
546 if (h263_get_picture_format(s->width, s->height) == 7) {
547 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);
548 return -1;
549 }
550 s->out_format = FMT_H263;
551 s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
552 avctx->delay=0;
553 s->low_delay=1;
554 break;
555 case CODEC_ID_H263P:
556 s->out_format = FMT_H263;
557 s->h263_plus = 1;
558 /* Fx */
559 s->umvplus = (avctx->flags & CODEC_FLAG_H263P_UMV) ? 1:0;
560 s->h263_aic= (avctx->flags & CODEC_FLAG_AC_PRED) ? 1:0;
561 s->modified_quant= s->h263_aic;
562 s->alt_inter_vlc= (avctx->flags & CODEC_FLAG_H263P_AIV) ? 1:0;
563 s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
564 s->loop_filter= (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1:0;
565 s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
566 s->h263_slice_structured= (s->flags & CODEC_FLAG_H263P_SLICE_STRUCT) ? 1:0;
567
568 /* /Fx */
569 /* These are just to be sure */
570 avctx->delay=0;
571 s->low_delay=1;
572 break;
573 case CODEC_ID_FLV1:
574 s->out_format = FMT_H263;
575 s->h263_flv = 2; /* format = 1; 11-bit codes */
576 s->unrestricted_mv = 1;
577 s->rtp_mode=0; /* don't allow GOB */
578 avctx->delay=0;
579 s->low_delay=1;
580 break;
581 case CODEC_ID_RV10:
582 s->out_format = FMT_H263;
583 avctx->delay=0;
584 s->low_delay=1;
585 break;
586 case CODEC_ID_RV20:
587 s->out_format = FMT_H263;
588 avctx->delay=0;
589 s->low_delay=1;
590 s->modified_quant=1;
591 s->h263_aic=1;
592 s->h263_plus=1;
593 s->loop_filter=1;
594 s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
595 break;
596 case CODEC_ID_MPEG4:
597 s->out_format = FMT_H263;
598 s->h263_pred = 1;
599 s->unrestricted_mv = 1;
600 s->low_delay= s->max_b_frames ? 0 : 1;
601 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
602 break;
603 case CODEC_ID_MSMPEG4V1:
604 s->out_format = FMT_H263;
605 s->h263_msmpeg4 = 1;
606 s->h263_pred = 1;
607 s->unrestricted_mv = 1;
608 s->msmpeg4_version= 1;
609 avctx->delay=0;
610 s->low_delay=1;
611 break;
612 case CODEC_ID_MSMPEG4V2:
613 s->out_format = FMT_H263;
614 s->h263_msmpeg4 = 1;
615 s->h263_pred = 1;
616 s->unrestricted_mv = 1;
617 s->msmpeg4_version= 2;
618 avctx->delay=0;
619 s->low_delay=1;
620 break;
621 case CODEC_ID_MSMPEG4V3:
622 s->out_format = FMT_H263;
623 s->h263_msmpeg4 = 1;
624 s->h263_pred = 1;
625 s->unrestricted_mv = 1;
626 s->msmpeg4_version= 3;
627 s->flipflop_rounding=1;
628 avctx->delay=0;
629 s->low_delay=1;
630 break;
631 case CODEC_ID_WMV1:
632 s->out_format = FMT_H263;
633 s->h263_msmpeg4 = 1;
634 s->h263_pred = 1;
635 s->unrestricted_mv = 1;
636 s->msmpeg4_version= 4;
637 s->flipflop_rounding=1;
638 avctx->delay=0;
639 s->low_delay=1;
640 break;
641 case CODEC_ID_WMV2:
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= 5;
647 s->flipflop_rounding=1;
648 avctx->delay=0;
649 s->low_delay=1;
650 break;
651 default:
652 return -1;
653 }
654
655 avctx->has_b_frames= !s->low_delay;
656
657 s->encoding = 1;
658
659 /* init */
660 if (MPV_common_init(s) < 0)
661 return -1;
662
663 if(s->modified_quant)
664 s->chroma_qscale_table= ff_h263_chroma_qscale_table;
665 s->progressive_frame=
666 s->progressive_sequence= !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN));
667 s->quant_precision=5;
668
669 ff_set_cmp(&s->dsp, s->dsp.ildct_cmp, s->avctx->ildct_cmp);
670 ff_set_cmp(&s->dsp, s->dsp.frame_skip_cmp, s->avctx->frame_skip_cmp);
671
672 if (ENABLE_H261_ENCODER && s->out_format == FMT_H261)
673 ff_h261_encode_init(s);
674 if (s->out_format == FMT_H263)
675 h263_encode_init(s);
676 if (ENABLE_MSMPEG4_ENCODER && s->msmpeg4_version)
677 ff_msmpeg4_encode_init(s);
a6bc5731
AJ
678 if ((ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER)
679 && s->out_format == FMT_MPEG1)
3ada94ba
BF
680 ff_mpeg1_encode_init(s);
681
682 /* init q matrix */
683 for(i=0;i<64;i++) {
684 int j= s->dsp.idct_permutation[i];
685 if(s->codec_id==CODEC_ID_MPEG4 && s->mpeg_quant){
686 s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i];
687 s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i];
688 }else if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
689 s->intra_matrix[j] =
690 s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
691 }else
692 { /* mpeg1/2 */
693 s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i];
694 s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
695 }
696 if(s->avctx->intra_matrix)
697 s->intra_matrix[j] = s->avctx->intra_matrix[i];
698 if(s->avctx->inter_matrix)
699 s->inter_matrix[j] = s->avctx->inter_matrix[i];
700 }
701
702 /* precompute matrix */
703 /* for mjpeg, we do include qscale in the matrix */
704 if (s->out_format != FMT_MJPEG) {
705 convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
706 s->intra_matrix, s->intra_quant_bias, avctx->qmin, 31, 1);
707 convert_matrix(&s->dsp, s->q_inter_matrix, s->q_inter_matrix16,
708 s->inter_matrix, s->inter_quant_bias, avctx->qmin, 31, 0);
709 }
710
711 if(ff_rate_control_init(s) < 0)
712 return -1;
713
714 return 0;
715}
716
717int MPV_encode_end(AVCodecContext *avctx)
718{
719 MpegEncContext *s = avctx->priv_data;
720
721 ff_rate_control_uninit(s);
722
723 MPV_common_end(s);
724 if ((ENABLE_MJPEG_ENCODER || ENABLE_LJPEG_ENCODER) && s->out_format == FMT_MJPEG)
725 ff_mjpeg_encode_close(s);
726
727 av_freep(&avctx->extradata);
728
729 return 0;
730}
731
732static int get_sae(uint8_t *src, int ref, int stride){
733 int x,y;
734 int acc=0;
735
736 for(y=0; y<16; y++){
737 for(x=0; x<16; x++){
738 acc+= FFABS(src[x+y*stride] - ref);
739 }
740 }
741
742 return acc;
743}
744
745static int get_intra_count(MpegEncContext *s, uint8_t *src, uint8_t *ref, int stride){
746 int x, y, w, h;
747 int acc=0;
748
749 w= s->width &~15;
750 h= s->height&~15;
751
752 for(y=0; y<h; y+=16){
753 for(x=0; x<w; x+=16){
754 int offset= x + y*stride;
755 int sad = s->dsp.sad[0](NULL, src + offset, ref + offset, stride, 16);
756 int mean= (s->dsp.pix_sum(src + offset, stride) + 128)>>8;
757 int sae = get_sae(src + offset, mean, stride);
758
759 acc+= sae + 500 < sad;
760 }
761 }
762 return acc;
763}
764
765
766static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg){
767 AVFrame *pic=NULL;
768 int64_t pts;
769 int i;
770 const int encoding_delay= s->max_b_frames;
771 int direct=1;
772
773 if(pic_arg){
774 pts= pic_arg->pts;
775 pic_arg->display_picture_number= s->input_picture_number++;
776
777 if(pts != AV_NOPTS_VALUE){
778 if(s->user_specified_pts != AV_NOPTS_VALUE){
779 int64_t time= pts;
780 int64_t last= s->user_specified_pts;
781
782 if(time <= last){
783 av_log(s->avctx, AV_LOG_ERROR, "Error, Invalid timestamp=%"PRId64", last=%"PRId64"\n", pts, s->user_specified_pts);
784 return -1;
785 }
786 }
787 s->user_specified_pts= pts;
788 }else{
789 if(s->user_specified_pts != AV_NOPTS_VALUE){
790 s->user_specified_pts=
791 pts= s->user_specified_pts + 1;
792 av_log(s->avctx, AV_LOG_INFO, "Warning: AVFrame.pts=? trying to guess (%"PRId64")\n", pts);
793 }else{
794 pts= pic_arg->display_picture_number;
795 }
796 }
797 }
798
799 if(pic_arg){
800 if(encoding_delay && !(s->flags&CODEC_FLAG_INPUT_PRESERVED)) direct=0;
801 if(pic_arg->linesize[0] != s->linesize) direct=0;
802 if(pic_arg->linesize[1] != s->uvlinesize) direct=0;
803 if(pic_arg->linesize[2] != s->uvlinesize) direct=0;
804
805// av_log(AV_LOG_DEBUG, "%d %d %d %d\n",pic_arg->linesize[0], pic_arg->linesize[1], s->linesize, s->uvlinesize);
806
807 if(direct){
808 i= ff_find_unused_picture(s, 1);
809
810 pic= (AVFrame*)&s->picture[i];
811 pic->reference= 3;
812
813 for(i=0; i<4; i++){
814 pic->data[i]= pic_arg->data[i];
815 pic->linesize[i]= pic_arg->linesize[i];
816 }
817 alloc_picture(s, (Picture*)pic, 1);
818 }else{
819 i= ff_find_unused_picture(s, 0);
820
821 pic= (AVFrame*)&s->picture[i];
822 pic->reference= 3;
823
824 alloc_picture(s, (Picture*)pic, 0);
825
826 if( pic->data[0] + INPLACE_OFFSET == pic_arg->data[0]
827 && pic->data[1] + INPLACE_OFFSET == pic_arg->data[1]
828 && pic->data[2] + INPLACE_OFFSET == pic_arg->data[2]){
829 // empty
830 }else{
831 int h_chroma_shift, v_chroma_shift;
832 avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift);
833
834 for(i=0; i<3; i++){
835 int src_stride= pic_arg->linesize[i];
836 int dst_stride= i ? s->uvlinesize : s->linesize;
837 int h_shift= i ? h_chroma_shift : 0;
838 int v_shift= i ? v_chroma_shift : 0;
839 int w= s->width >>h_shift;
840 int h= s->height>>v_shift;
841 uint8_t *src= pic_arg->data[i];
842 uint8_t *dst= pic->data[i];
843
844 if(!s->avctx->rc_buffer_size)
845 dst +=INPLACE_OFFSET;
846
847 if(src_stride==dst_stride)
848 memcpy(dst, src, src_stride*h);
849 else{
850 while(h--){
851 memcpy(dst, src, w);
852 dst += dst_stride;
853 src += src_stride;
854 }
855 }
856 }
857 }
858 }
859 copy_picture_attributes(s, pic, pic_arg);
860 pic->pts= pts; //we set this here to avoid modifiying pic_arg
861 }
862
863 /* shift buffer entries */
864 for(i=1; i<MAX_PICTURE_COUNT /*s->encoding_delay+1*/; i++)
865 s->input_picture[i-1]= s->input_picture[i];
866
867 s->input_picture[encoding_delay]= (Picture*)pic;
868
869 return 0;
870}
871
872static int skip_check(MpegEncContext *s, Picture *p, Picture *ref){
873 int x, y, plane;
874 int score=0;
875 int64_t score64=0;
876
877 for(plane=0; plane<3; plane++){
878 const int stride= p->linesize[plane];
879 const int bw= plane ? 1 : 2;
880 for(y=0; y<s->mb_height*bw; y++){
881 for(x=0; x<s->mb_width*bw; x++){
882 int off= p->type == FF_BUFFER_TYPE_SHARED ? 0: 16;
883 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);
884
885 switch(s->avctx->frame_skip_exp){
886 case 0: score= FFMAX(score, v); break;
887 case 1: score+= FFABS(v);break;
888 case 2: score+= v*v;break;
889 case 3: score64+= FFABS(v*v*(int64_t)v);break;
890 case 4: score64+= v*v*(int64_t)(v*v);break;
891 }
892 }
893 }
894 }
895
896 if(score) score64= score;
897
898 if(score64 < s->avctx->frame_skip_threshold)
899 return 1;
900 if(score64 < ((s->avctx->frame_skip_factor * (int64_t)s->lambda)>>8))
901 return 1;
902 return 0;
903}
904
905static int estimate_best_b_count(MpegEncContext *s){
906 AVCodec *codec= avcodec_find_encoder(s->avctx->codec_id);
907 AVCodecContext *c= avcodec_alloc_context();
908 AVFrame input[FF_MAX_B_FRAMES+2];
909 const int scale= s->avctx->brd_scale;
910 int i, j, out_size, p_lambda, b_lambda, lambda2;
911 int outbuf_size= s->width * s->height; //FIXME
912 uint8_t *outbuf= av_malloc(outbuf_size);
913 int64_t best_rd= INT64_MAX;
914 int best_b_count= -1;
915
916 assert(scale>=0 && scale <=3);
917
918// emms_c();
919 p_lambda= s->last_lambda_for[P_TYPE]; //s->next_picture_ptr->quality;
920 b_lambda= s->last_lambda_for[B_TYPE]; //p_lambda *FFABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset;
921 if(!b_lambda) b_lambda= p_lambda; //FIXME we should do this somewhere else
922 lambda2= (b_lambda*b_lambda + (1<<FF_LAMBDA_SHIFT)/2 ) >> FF_LAMBDA_SHIFT;
923
924 c->width = s->width >> scale;
925 c->height= s->height>> scale;
926 c->flags= CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR | CODEC_FLAG_INPUT_PRESERVED /*| CODEC_FLAG_EMU_EDGE*/;
927 c->flags|= s->avctx->flags & CODEC_FLAG_QPEL;
928 c->mb_decision= s->avctx->mb_decision;
929 c->me_cmp= s->avctx->me_cmp;
930 c->mb_cmp= s->avctx->mb_cmp;
931 c->me_sub_cmp= s->avctx->me_sub_cmp;
932 c->pix_fmt = PIX_FMT_YUV420P;
933 c->time_base= s->avctx->time_base;
934 c->max_b_frames= s->max_b_frames;
935
936 if (avcodec_open(c, codec) < 0)
937 return -1;
938
939 for(i=0; i<s->max_b_frames+2; i++){
940 int ysize= c->width*c->height;
941 int csize= (c->width/2)*(c->height/2);
942 Picture pre_input, *pre_input_ptr= i ? s->input_picture[i-1] : s->next_picture_ptr;
943
944 avcodec_get_frame_defaults(&input[i]);
945 input[i].data[0]= av_malloc(ysize + 2*csize);
946 input[i].data[1]= input[i].data[0] + ysize;
947 input[i].data[2]= input[i].data[1] + csize;
948 input[i].linesize[0]= c->width;
949 input[i].linesize[1]=
950 input[i].linesize[2]= c->width/2;
951
952 if(pre_input_ptr && (!i || s->input_picture[i-1])) {
953 pre_input= *pre_input_ptr;
954
955 if(pre_input.type != FF_BUFFER_TYPE_SHARED && i) {
956 pre_input.data[0]+=INPLACE_OFFSET;
957 pre_input.data[1]+=INPLACE_OFFSET;
958 pre_input.data[2]+=INPLACE_OFFSET;
959 }
960
961 s->dsp.shrink[scale](input[i].data[0], input[i].linesize[0], pre_input.data[0], pre_input.linesize[0], c->width, c->height);
962 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);
963 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);
964 }
965 }
966
967 for(j=0; j<s->max_b_frames+1; j++){
968 int64_t rd=0;
969
970 if(!s->input_picture[j])
971 break;
972
973 c->error[0]= c->error[1]= c->error[2]= 0;
974
975 input[0].pict_type= I_TYPE;
976 input[0].quality= 1 * FF_QP2LAMBDA;
977 out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[0]);
978// rd += (out_size * lambda2) >> FF_LAMBDA_SHIFT;
979
980 for(i=0; i<s->max_b_frames+1; i++){
981 int is_p= i % (j+1) == j || i==s->max_b_frames;
982
983 input[i+1].pict_type= is_p ? P_TYPE : B_TYPE;
984 input[i+1].quality= is_p ? p_lambda : b_lambda;
985 out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[i+1]);
986 rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
987 }
988
989 /* get the delayed frames */
990 while(out_size){
991 out_size = avcodec_encode_video(c, outbuf, outbuf_size, NULL);
992 rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
993 }
994
995 rd += c->error[0] + c->error[1] + c->error[2];
996
997 if(rd < best_rd){
998 best_rd= rd;
999 best_b_count= j;
1000 }
1001 }
1002
1003 av_freep(&outbuf);
1004 avcodec_close(c);
1005 av_freep(&c);
1006
1007 for(i=0; i<s->max_b_frames+2; i++){
1008 av_freep(&input[i].data[0]);
1009 }
1010
1011 return best_b_count;
1012}
1013
1014static void select_input_picture(MpegEncContext *s){
1015 int i;
1016
1017 for(i=1; i<MAX_PICTURE_COUNT; i++)
1018 s->reordered_input_picture[i-1]= s->reordered_input_picture[i];
1019 s->reordered_input_picture[MAX_PICTURE_COUNT-1]= NULL;
1020
1021 /* set next picture type & ordering */
1022 if(s->reordered_input_picture[0]==NULL && s->input_picture[0]){
1023 if(/*s->picture_in_gop_number >= s->gop_size ||*/ s->next_picture_ptr==NULL || s->intra_only){
1024 s->reordered_input_picture[0]= s->input_picture[0];
1025 s->reordered_input_picture[0]->pict_type= I_TYPE;
1026 s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
1027 }else{
1028 int b_frames;
1029
1030 if(s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor){
1031 if(s->picture_in_gop_number < s->gop_size && skip_check(s, s->input_picture[0], s->next_picture_ptr)){
1032 //FIXME check that te gop check above is +-1 correct
1033//av_log(NULL, AV_LOG_DEBUG, "skip %p %"PRId64"\n", s->input_picture[0]->data[0], s->input_picture[0]->pts);
1034
1035 if(s->input_picture[0]->type == FF_BUFFER_TYPE_SHARED){
1036 for(i=0; i<4; i++)
1037 s->input_picture[0]->data[i]= NULL;
1038 s->input_picture[0]->type= 0;
1039 }else{
1040 assert( s->input_picture[0]->type==FF_BUFFER_TYPE_USER
1041 || s->input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
1042
1043 s->avctx->release_buffer(s->avctx, (AVFrame*)s->input_picture[0]);
1044 }
1045
1046 emms_c();
1047 ff_vbv_update(s, 0);
1048
1049 goto no_output_pic;
1050 }
1051 }
1052
1053 if(s->flags&CODEC_FLAG_PASS2){
1054 for(i=0; i<s->max_b_frames+1; i++){
1055 int pict_num= s->input_picture[0]->display_picture_number + i;
1056
1057 if(pict_num >= s->rc_context.num_entries)
1058 break;
1059 if(!s->input_picture[i]){
1060 s->rc_context.entry[pict_num-1].new_pict_type = P_TYPE;
1061 break;
1062 }
1063
1064 s->input_picture[i]->pict_type=
1065 s->rc_context.entry[pict_num].new_pict_type;
1066 }
1067 }
1068
1069 if(s->avctx->b_frame_strategy==0){
1070 b_frames= s->max_b_frames;
1071 while(b_frames && !s->input_picture[b_frames]) b_frames--;
1072 }else if(s->avctx->b_frame_strategy==1){
1073 for(i=1; i<s->max_b_frames+1; i++){
1074 if(s->input_picture[i] && s->input_picture[i]->b_frame_score==0){
1075 s->input_picture[i]->b_frame_score=
1076 get_intra_count(s, s->input_picture[i ]->data[0],
1077 s->input_picture[i-1]->data[0], s->linesize) + 1;
1078 }
1079 }
1080 for(i=0; i<s->max_b_frames+1; i++){
1081 if(s->input_picture[i]==NULL || s->input_picture[i]->b_frame_score - 1 > s->mb_num/s->avctx->b_sensitivity) break;
1082 }
1083
1084 b_frames= FFMAX(0, i-1);
1085
1086 /* reset scores */
1087 for(i=0; i<b_frames+1; i++){
1088 s->input_picture[i]->b_frame_score=0;
1089 }
1090 }else if(s->avctx->b_frame_strategy==2){
1091 b_frames= estimate_best_b_count(s);
1092 }else{
1093 av_log(s->avctx, AV_LOG_ERROR, "illegal b frame strategy\n");
1094 b_frames=0;
1095 }
1096
1097 emms_c();
1098//static int b_count=0;
1099//b_count+= b_frames;
1100//av_log(s->avctx, AV_LOG_DEBUG, "b_frames: %d\n", b_count);
1101
1102 for(i= b_frames - 1; i>=0; i--){
1103 int type= s->input_picture[i]->pict_type;
1104 if(type && type != B_TYPE)
1105 b_frames= i;
1106 }
1107 if(s->input_picture[b_frames]->pict_type == B_TYPE && b_frames == s->max_b_frames){
1108 av_log(s->avctx, AV_LOG_ERROR, "warning, too many b frames in a row\n");
1109 }
1110
1111 if(s->picture_in_gop_number + b_frames >= s->gop_size){
1112 if((s->flags2 & CODEC_FLAG2_STRICT_GOP) && s->gop_size > s->picture_in_gop_number){
1113 b_frames= s->gop_size - s->picture_in_gop_number - 1;
1114 }else{
1115 if(s->flags & CODEC_FLAG_CLOSED_GOP)
1116 b_frames=0;
1117 s->input_picture[b_frames]->pict_type= I_TYPE;
1118 }
1119 }
1120
1121 if( (s->flags & CODEC_FLAG_CLOSED_GOP)
1122 && b_frames
1123 && s->input_picture[b_frames]->pict_type== I_TYPE)
1124 b_frames--;
1125
1126 s->reordered_input_picture[0]= s->input_picture[b_frames];
1127 if(s->reordered_input_picture[0]->pict_type != I_TYPE)
1128 s->reordered_input_picture[0]->pict_type= P_TYPE;
1129 s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
1130 for(i=0; i<b_frames; i++){
1131 s->reordered_input_picture[i+1]= s->input_picture[i];
1132 s->reordered_input_picture[i+1]->pict_type= B_TYPE;
1133 s->reordered_input_picture[i+1]->coded_picture_number= s->coded_picture_number++;
1134 }
1135 }
1136 }
1137no_output_pic:
1138 if(s->reordered_input_picture[0]){
1139 s->reordered_input_picture[0]->reference= s->reordered_input_picture[0]->pict_type!=B_TYPE ? 3 : 0;
1140
1141 copy_picture(&s->new_picture, s->reordered_input_picture[0]);
1142
1143 if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_SHARED || s->avctx->rc_buffer_size){
1144 // input is a shared pix, so we can't modifiy it -> alloc a new one & ensure that the shared one is reuseable
1145
1146 int i= ff_find_unused_picture(s, 0);
1147 Picture *pic= &s->picture[i];
1148
1149 pic->reference = s->reordered_input_picture[0]->reference;
1150 alloc_picture(s, pic, 0);
1151
1152 /* mark us unused / free shared pic */
1153 if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_INTERNAL)
1154 s->avctx->release_buffer(s->avctx, (AVFrame*)s->reordered_input_picture[0]);
1155 for(i=0; i<4; i++)
1156 s->reordered_input_picture[0]->data[i]= NULL;
1157 s->reordered_input_picture[0]->type= 0;
1158
1159 copy_picture_attributes(s, (AVFrame*)pic, (AVFrame*)s->reordered_input_picture[0]);
1160
1161 s->current_picture_ptr= pic;
1162 }else{
1163 // input is not a shared pix -> reuse buffer for current_pix
1164
1165 assert( s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_USER
1166 || s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
1167
1168 s->current_picture_ptr= s->reordered_input_picture[0];
1169 for(i=0; i<4; i++){
1170 s->new_picture.data[i]+= INPLACE_OFFSET;
1171 }
1172 }
1173 copy_picture(&s->current_picture, s->current_picture_ptr);
1174
1175 s->picture_number= s->new_picture.display_picture_number;
1176//printf("dpn:%d\n", s->picture_number);
1177 }else{
1178 memset(&s->new_picture, 0, sizeof(Picture));
1179 }
1180}
1181
1182int MPV_encode_picture(AVCodecContext *avctx,
1183 unsigned char *buf, int buf_size, void *data)
1184{
1185 MpegEncContext *s = avctx->priv_data;
1186 AVFrame *pic_arg = data;
1187 int i, stuffing_count;
1188
1189 for(i=0; i<avctx->thread_count; i++){
1190 int start_y= s->thread_context[i]->start_mb_y;
1191 int end_y= s->thread_context[i]-> end_mb_y;
1192 int h= s->mb_height;
1193 uint8_t *start= buf + (size_t)(((int64_t) buf_size)*start_y/h);
1194 uint8_t *end = buf + (size_t)(((int64_t) buf_size)* end_y/h);
1195
1196 init_put_bits(&s->thread_context[i]->pb, start, end - start);
1197 }
1198
1199 s->picture_in_gop_number++;
1200
1201 if(load_input_picture(s, pic_arg) < 0)
1202 return -1;
1203
1204 select_input_picture(s);
1205
1206 /* output? */
1207 if(s->new_picture.data[0]){
1208 s->pict_type= s->new_picture.pict_type;
1209//emms_c();
1210//printf("qs:%f %f %d\n", s->new_picture.quality, s->current_picture.quality, s->qscale);
1211 MPV_frame_start(s, avctx);
1212vbv_retry:
1213 if (encode_picture(s, s->picture_number) < 0)
1214 return -1;
1215
1216 avctx->real_pict_num = s->picture_number;
1217 avctx->header_bits = s->header_bits;
1218 avctx->mv_bits = s->mv_bits;
1219 avctx->misc_bits = s->misc_bits;
1220 avctx->i_tex_bits = s->i_tex_bits;
1221 avctx->p_tex_bits = s->p_tex_bits;
1222 avctx->i_count = s->i_count;
1223 avctx->p_count = s->mb_num - s->i_count - s->skip_count; //FIXME f/b_count in avctx
1224 avctx->skip_count = s->skip_count;
1225
1226 MPV_frame_end(s);
1227
1228 if (ENABLE_MJPEG_ENCODER && s->out_format == FMT_MJPEG)
1229 ff_mjpeg_encode_picture_trailer(s);
1230
1231 if(avctx->rc_buffer_size){
1232 RateControlContext *rcc= &s->rc_context;
1233 int max_size= rcc->buffer_index/3;
1234
1235 if(put_bits_count(&s->pb) > max_size && s->lambda < s->avctx->lmax){
1236 s->next_lambda= FFMAX(s->lambda+1, s->lambda*(s->qscale+1) / s->qscale);
1237 if(s->adaptive_quant){
1238 int i;
1239 for(i=0; i<s->mb_height*s->mb_stride; i++)
1240 s->lambda_table[i]= FFMAX(s->lambda_table[i]+1, s->lambda_table[i]*(s->qscale+1) / s->qscale);
1241 }
1242 s->mb_skipped = 0; //done in MPV_frame_start()
1243 if(s->pict_type==P_TYPE){ //done in encode_picture() so we must undo it
1244 if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
1245 s->no_rounding ^= 1;
1246 }
1247 if(s->pict_type!=B_TYPE){
1248 s->time_base= s->last_time_base;
1249 s->last_non_b_time= s->time - s->pp_time;
1250 }
1251// av_log(NULL, AV_LOG_ERROR, "R:%d ", s->next_lambda);
1252 for(i=0; i<avctx->thread_count; i++){
1253 PutBitContext *pb= &s->thread_context[i]->pb;
1254 init_put_bits(pb, pb->buf, pb->buf_end - pb->buf);
1255 }
1256 goto vbv_retry;
1257 }
1258
1259 assert(s->avctx->rc_max_rate);
1260 }
1261
1262 if(s->flags&CODEC_FLAG_PASS1)
1263 ff_write_pass1_stats(s);
1264
1265 for(i=0; i<4; i++){
1266 s->current_picture_ptr->error[i]= s->current_picture.error[i];
1267 avctx->error[i] += s->current_picture_ptr->error[i];
1268 }
1269
1270 if(s->flags&CODEC_FLAG_PASS1)
1271 assert(avctx->header_bits + avctx->mv_bits + avctx->misc_bits + avctx->i_tex_bits + avctx->p_tex_bits == put_bits_count(&s->pb));
1272 flush_put_bits(&s->pb);
1273 s->frame_bits = put_bits_count(&s->pb);
1274
1275 stuffing_count= ff_vbv_update(s, s->frame_bits);
1276 if(stuffing_count){
1277 if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < stuffing_count + 50){
1278 av_log(s->avctx, AV_LOG_ERROR, "stuffing too large\n");
1279 return -1;
1280 }
1281
1282 switch(s->codec_id){
1283 case CODEC_ID_MPEG1VIDEO:
1284 case CODEC_ID_MPEG2VIDEO:
1285 while(stuffing_count--){
1286 put_bits(&s->pb, 8, 0);
1287 }
1288 break;
1289 case CODEC_ID_MPEG4:
1290 put_bits(&s->pb, 16, 0);
1291 put_bits(&s->pb, 16, 0x1C3);
1292 stuffing_count -= 4;
1293 while(stuffing_count--){
1294 put_bits(&s->pb, 8, 0xFF);
1295 }
1296 break;
1297 default:
1298 av_log(s->avctx, AV_LOG_ERROR, "vbv buffer overflow\n");
1299 }
1300 flush_put_bits(&s->pb);
1301 s->frame_bits = put_bits_count(&s->pb);
1302 }
1303
1304 /* update mpeg1/2 vbv_delay for CBR */
1305 if(s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate && s->out_format == FMT_MPEG1
1306 && 90000LL * (avctx->rc_buffer_size-1) <= s->avctx->rc_max_rate*0xFFFFLL){
1307 int vbv_delay;
1308
1309 assert(s->repeat_first_field==0);
1310
1311 vbv_delay= lrintf(90000 * s->rc_context.buffer_index / s->avctx->rc_max_rate);
1312 assert(vbv_delay < 0xFFFF);
1313
1314 s->vbv_delay_ptr[0] &= 0xF8;
1315 s->vbv_delay_ptr[0] |= vbv_delay>>13;
1316 s->vbv_delay_ptr[1] = vbv_delay>>5;
1317 s->vbv_delay_ptr[2] &= 0x07;
1318 s->vbv_delay_ptr[2] |= vbv_delay<<3;
1319 }
1320 s->total_bits += s->frame_bits;
1321 avctx->frame_bits = s->frame_bits;
1322 }else{
1323 assert((pbBufPtr(&s->pb) == s->pb.buf));
1324 s->frame_bits=0;
1325 }
1326 assert((s->frame_bits&7)==0);
1327
1328 return s->frame_bits/8;
1329}
1330
1331static inline void dct_single_coeff_elimination(MpegEncContext *s, int n, int threshold)
1332{
1333 static const char tab[64]=
1334 {3,2,2,1,1,1,1,1,
1335 1,1,1,1,1,1,1,1,
1336 1,1,1,1,1,1,1,1,
1337 0,0,0,0,0,0,0,0,
1338 0,0,0,0,0,0,0,0,
1339 0,0,0,0,0,0,0,0,
1340 0,0,0,0,0,0,0,0,
1341 0,0,0,0,0,0,0,0};
1342 int score=0;
1343 int run=0;
1344 int i;
1345 DCTELEM *block= s->block[n];
1346 const int last_index= s->block_last_index[n];
1347 int skip_dc;
1348
1349 if(threshold<0){
1350 skip_dc=0;
1351 threshold= -threshold;
1352 }else
1353 skip_dc=1;
1354
1355 /* are all which we could set to zero are allready zero? */
1356 if(last_index<=skip_dc - 1) return;
1357
1358 for(i=0; i<=last_index; i++){
1359 const int j = s->intra_scantable.permutated[i];
1360 const int level = FFABS(block[j]);
1361 if(level==1){
1362 if(skip_dc && i==0) continue;
1363 score+= tab[run];
1364 run=0;
1365 }else if(level>1){
1366 return;
1367 }else{
1368 run++;
1369 }
1370 }
1371 if(score >= threshold) return;
1372 for(i=skip_dc; i<=last_index; i++){
1373 const int j = s->intra_scantable.permutated[i];
1374 block[j]=0;
1375 }
1376 if(block[0]) s->block_last_index[n]= 0;
1377 else s->block_last_index[n]= -1;
1378}
1379
1380static inline void clip_coeffs(MpegEncContext *s, DCTELEM *block, int last_index)
1381{
1382 int i;
1383 const int maxlevel= s->max_qcoeff;
1384 const int minlevel= s->min_qcoeff;
1385 int overflow=0;
1386
1387 if(s->mb_intra){
1388 i=1; //skip clipping of intra dc
1389 }else
1390 i=0;
1391
1392 for(;i<=last_index; i++){
1393 const int j= s->intra_scantable.permutated[i];
1394 int level = block[j];
1395
1396 if (level>maxlevel){
1397 level=maxlevel;
1398 overflow++;
1399 }else if(level<minlevel){
1400 level=minlevel;
1401 overflow++;
1402 }
1403
1404 block[j]= level;
1405 }
1406
1407 if(overflow && s->avctx->mb_decision == FF_MB_DECISION_SIMPLE)
1408 av_log(s->avctx, AV_LOG_INFO, "warning, clipping %d dct coefficients to %d..%d\n", overflow, minlevel, maxlevel);
1409}
1410
1411static void get_vissual_weight(int16_t *weight, uint8_t *ptr, int stride){
1412 int x, y;
1413//FIXME optimize
1414 for(y=0; y<8; y++){
1415 for(x=0; x<8; x++){
1416 int x2, y2;
1417 int sum=0;
1418 int sqr=0;
1419 int count=0;
1420
1421 for(y2= FFMAX(y-1, 0); y2 < FFMIN(8, y+2); y2++){
1422 for(x2= FFMAX(x-1, 0); x2 < FFMIN(8, x+2); x2++){
1423 int v= ptr[x2 + y2*stride];
1424 sum += v;
1425 sqr += v*v;
1426 count++;
1427 }
1428 }
1429 weight[x + 8*y]= (36*ff_sqrt(count*sqr - sum*sum)) / count;
1430 }
1431 }
1432}
1433
1434static av_always_inline void encode_mb_internal(MpegEncContext *s, int motion_x, int motion_y, int mb_block_height, int mb_block_count)
1435{
1436 int16_t weight[8][64];
1437 DCTELEM orig[8][64];
1438 const int mb_x= s->mb_x;
1439 const int mb_y= s->mb_y;
1440 int i;
1441 int skip_dct[8];
1442 int dct_offset = s->linesize*8; //default for progressive frames
1443 uint8_t *ptr_y, *ptr_cb, *ptr_cr;
1444 int wrap_y, wrap_c;
1445
1446 for(i=0; i<mb_block_count; i++) skip_dct[i]=s->skipdct;
1447
1448 if(s->adaptive_quant){
1449 const int last_qp= s->qscale;
1450 const int mb_xy= mb_x + mb_y*s->mb_stride;
1451
1452 s->lambda= s->lambda_table[mb_xy];
1453 update_qscale(s);
1454
1455 if(!(s->flags&CODEC_FLAG_QP_RD)){
1456 s->qscale= s->current_picture_ptr->qscale_table[mb_xy];
1457 s->dquant= s->qscale - last_qp;
1458
1459 if(s->out_format==FMT_H263){
1460 s->dquant= av_clip(s->dquant, -2, 2);
1461
1462 if(s->codec_id==CODEC_ID_MPEG4){
1463 if(!s->mb_intra){
1464 if(s->pict_type == B_TYPE){
1465 if(s->dquant&1 || s->mv_dir&MV_DIRECT)
1466 s->dquant= 0;
1467 }
1468 if(s->mv_type==MV_TYPE_8X8)
1469 s->dquant=0;
1470 }
1471 }
1472 }
1473 }
1474 ff_set_qscale(s, last_qp + s->dquant);
1475 }else if(s->flags&CODEC_FLAG_QP_RD)
1476 ff_set_qscale(s, s->qscale + s->dquant);
1477
1478 wrap_y = s->linesize;
1479 wrap_c = s->uvlinesize;
1480 ptr_y = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16;
1481 ptr_cb = s->new_picture.data[1] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
1482 ptr_cr = s->new_picture.data[2] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
1483
1484 if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){
1485 uint8_t *ebuf= s->edge_emu_buffer + 32;
1486 ff_emulated_edge_mc(ebuf , ptr_y , wrap_y,16,16,mb_x*16,mb_y*16, s->width , s->height);
1487 ptr_y= ebuf;
1488 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);
1489 ptr_cb= ebuf+18*wrap_y;
1490 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);
1491 ptr_cr= ebuf+18*wrap_y+8;
1492 }
1493
1494 if (s->mb_intra) {
1495 if(s->flags&CODEC_FLAG_INTERLACED_DCT){
1496 int progressive_score, interlaced_score;
1497
1498 s->interlaced_dct=0;
1499 progressive_score= s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y, 8)
1500 +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y*8, NULL, wrap_y, 8) - 400;
1501
1502 if(progressive_score > 0){
1503 interlaced_score = s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y*2, 8)
1504 +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y , NULL, wrap_y*2, 8);
1505 if(progressive_score > interlaced_score){
1506 s->interlaced_dct=1;
1507
1508 dct_offset= wrap_y;
1509 wrap_y<<=1;
1510 if (s->chroma_format == CHROMA_422)
1511 wrap_c<<=1;
1512 }
1513 }
1514 }
1515
1516 s->dsp.get_pixels(s->block[0], ptr_y , wrap_y);
1517 s->dsp.get_pixels(s->block[1], ptr_y + 8, wrap_y);
1518 s->dsp.get_pixels(s->block[2], ptr_y + dct_offset , wrap_y);
1519 s->dsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y);
1520
1521 if(s->flags&CODEC_FLAG_GRAY){
1522 skip_dct[4]= 1;
1523 skip_dct[5]= 1;
1524 }else{
1525 s->dsp.get_pixels(s->block[4], ptr_cb, wrap_c);
1526 s->dsp.get_pixels(s->block[5], ptr_cr, wrap_c);
1527 if(!s->chroma_y_shift){ /* 422 */
1528 s->dsp.get_pixels(s->block[6], ptr_cb + (dct_offset>>1), wrap_c);
1529 s->dsp.get_pixels(s->block[7], ptr_cr + (dct_offset>>1), wrap_c);
1530 }
1531 }
1532 }else{
1533 op_pixels_func (*op_pix)[4];
1534 qpel_mc_func (*op_qpix)[16];
1535 uint8_t *dest_y, *dest_cb, *dest_cr;
1536
1537 dest_y = s->dest[0];
1538 dest_cb = s->dest[1];
1539 dest_cr = s->dest[2];
1540
1541 if ((!s->no_rounding) || s->pict_type==B_TYPE){
1542 op_pix = s->dsp.put_pixels_tab;
1543 op_qpix= s->dsp.put_qpel_pixels_tab;
1544 }else{
1545 op_pix = s->dsp.put_no_rnd_pixels_tab;
1546 op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab;
1547 }
1548
1549 if (s->mv_dir & MV_DIR_FORWARD) {
1550 MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);
1551 op_pix = s->dsp.avg_pixels_tab;
1552 op_qpix= s->dsp.avg_qpel_pixels_tab;
1553 }
1554 if (s->mv_dir & MV_DIR_BACKWARD) {
1555 MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix);
1556 }
1557
1558 if(s->flags&CODEC_FLAG_INTERLACED_DCT){
1559 int progressive_score, interlaced_score;
1560
1561 s->interlaced_dct=0;
1562 progressive_score= s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y, 8)
1563 +s->dsp.ildct_cmp[0](s, dest_y + wrap_y*8, ptr_y + wrap_y*8, wrap_y, 8) - 400;
1564
1565 if(s->avctx->ildct_cmp == FF_CMP_VSSE) progressive_score -= 400;
1566
1567 if(progressive_score>0){
1568 interlaced_score = s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y*2, 8)
1569 +s->dsp.ildct_cmp[0](s, dest_y + wrap_y , ptr_y + wrap_y , wrap_y*2, 8);
1570
1571 if(progressive_score > interlaced_score){
1572 s->interlaced_dct=1;
1573
1574 dct_offset= wrap_y;
1575 wrap_y<<=1;
1576 if (s->chroma_format == CHROMA_422)
1577 wrap_c<<=1;
1578 }
1579 }
1580 }
1581
1582 s->dsp.diff_pixels(s->block[0], ptr_y , dest_y , wrap_y);
1583 s->dsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y);
1584 s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset , dest_y + dct_offset , wrap_y);
1585 s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8, dest_y + dct_offset + 8, wrap_y);
1586
1587 if(s->flags&CODEC_FLAG_GRAY){
1588 skip_dct[4]= 1;
1589 skip_dct[5]= 1;
1590 }else{
1591 s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
1592 s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
1593 if(!s->chroma_y_shift){ /* 422 */
1594 s->dsp.diff_pixels(s->block[6], ptr_cb + (dct_offset>>1), dest_cb + (dct_offset>>1), wrap_c);
1595 s->dsp.diff_pixels(s->block[7], ptr_cr + (dct_offset>>1), dest_cr + (dct_offset>>1), wrap_c);
1596 }
1597 }
1598 /* pre quantization */
1599 if(s->current_picture.mc_mb_var[s->mb_stride*mb_y+ mb_x]<2*s->qscale*s->qscale){
1600 //FIXME optimize
1601 if(s->dsp.sad[1](NULL, ptr_y , dest_y , wrap_y, 8) < 20*s->qscale) skip_dct[0]= 1;
1602 if(s->dsp.sad[1](NULL, ptr_y + 8, dest_y + 8, wrap_y, 8) < 20*s->qscale) skip_dct[1]= 1;
1603 if(s->dsp.sad[1](NULL, ptr_y +dct_offset , dest_y +dct_offset , wrap_y, 8) < 20*s->qscale) skip_dct[2]= 1;
1604 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;
1605 if(s->dsp.sad[1](NULL, ptr_cb , dest_cb , wrap_c, 8) < 20*s->qscale) skip_dct[4]= 1;
1606 if(s->dsp.sad[1](NULL, ptr_cr , dest_cr , wrap_c, 8) < 20*s->qscale) skip_dct[5]= 1;
1607 if(!s->chroma_y_shift){ /* 422 */
1608 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;
1609 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;
1610 }
1611 }
1612 }
1613
1614 if(s->avctx->quantizer_noise_shaping){
1615 if(!skip_dct[0]) get_vissual_weight(weight[0], ptr_y , wrap_y);
1616 if(!skip_dct[1]) get_vissual_weight(weight[1], ptr_y + 8, wrap_y);
1617 if(!skip_dct[2]) get_vissual_weight(weight[2], ptr_y + dct_offset , wrap_y);
1618 if(!skip_dct[3]) get_vissual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y);
1619 if(!skip_dct[4]) get_vissual_weight(weight[4], ptr_cb , wrap_c);
1620 if(!skip_dct[5]) get_vissual_weight(weight[5], ptr_cr , wrap_c);
1621 if(!s->chroma_y_shift){ /* 422 */
1622 if(!skip_dct[6]) get_vissual_weight(weight[6], ptr_cb + (dct_offset>>1), wrap_c);
1623 if(!skip_dct[7]) get_vissual_weight(weight[7], ptr_cr + (dct_offset>>1), wrap_c);
1624 }
1625 memcpy(orig[0], s->block[0], sizeof(DCTELEM)*64*mb_block_count);
1626 }
1627
1628 /* DCT & quantize */
1629 assert(s->out_format!=FMT_MJPEG || s->qscale==8);
1630 {
1631 for(i=0;i<mb_block_count;i++) {
1632 if(!skip_dct[i]){
1633 int overflow;
1634 s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow);
1635 // FIXME we could decide to change to quantizer instead of clipping
1636 // JS: I don't think that would be a good idea it could lower quality instead
1637 // of improve it. Just INTRADC clipping deserves changes in quantizer
1638 if (overflow) clip_coeffs(s, s->block[i], s->block_last_index[i]);
1639 }else
1640 s->block_last_index[i]= -1;
1641 }
1642 if(s->avctx->quantizer_noise_shaping){
1643 for(i=0;i<mb_block_count;i++) {
1644 if(!skip_dct[i]){
1645 s->block_last_index[i] = dct_quantize_refine(s, s->block[i], weight[i], orig[i], i, s->qscale);
1646 }
1647 }
1648 }
1649
1650 if(s->luma_elim_threshold && !s->mb_intra)
1651 for(i=0; i<4; i++)
1652 dct_single_coeff_elimination(s, i, s->luma_elim_threshold);
1653 if(s->chroma_elim_threshold && !s->mb_intra)
1654 for(i=4; i<mb_block_count; i++)
1655 dct_single_coeff_elimination(s, i, s->chroma_elim_threshold);
1656
1657 if(s->flags & CODEC_FLAG_CBP_RD){
1658 for(i=0;i<mb_block_count;i++) {
1659 if(s->block_last_index[i] == -1)
1660 s->coded_score[i]= INT_MAX/256;
1661 }
1662 }
1663 }
1664
1665 if((s->flags&CODEC_FLAG_GRAY) && s->mb_intra){
1666 s->block_last_index[4]=
1667 s->block_last_index[5]= 0;
1668 s->block[4][0]=
1669 s->block[5][0]= (1024 + s->c_dc_scale/2)/ s->c_dc_scale;
1670 }
1671
1672 //non c quantize code returns incorrect block_last_index FIXME
1673 if(s->alternate_scan && s->dct_quantize != dct_quantize_c){
1674 for(i=0; i<mb_block_count; i++){
1675 int j;
1676 if(s->block_last_index[i]>0){
1677 for(j=63; j>0; j--){
1678 if(s->block[i][ s->intra_scantable.permutated[j] ]) break;
1679 }
1680 s->block_last_index[i]= j;
1681 }
1682 }
1683 }
1684
1685 /* huffman encode */
1686 switch(s->codec_id){ //FIXME funct ptr could be slightly faster
1687 case CODEC_ID_MPEG1VIDEO:
1688 case CODEC_ID_MPEG2VIDEO:
a6bc5731 1689 if (ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER)
3ada94ba
BF
1690 mpeg1_encode_mb(s, s->block, motion_x, motion_y); break;
1691 case CODEC_ID_MPEG4:
1692 mpeg4_encode_mb(s, s->block, motion_x, motion_y); break;
1693 case CODEC_ID_MSMPEG4V2:
1694 case CODEC_ID_MSMPEG4V3:
1695 case CODEC_ID_WMV1:
1696 if (ENABLE_MSMPEG4_ENCODER)
1697 msmpeg4_encode_mb(s, s->block, motion_x, motion_y);
1698 break;
1699 case CODEC_ID_WMV2:
1700 if (ENABLE_WMV2_ENCODER)
1701 ff_wmv2_encode_mb(s, s->block, motion_x, motion_y);
1702 break;
1703 case CODEC_ID_H261:
1704 if (ENABLE_H261_ENCODER)
1705 ff_h261_encode_mb(s, s->block, motion_x, motion_y);
1706 break;
1707 case CODEC_ID_H263:
1708 case CODEC_ID_H263P:
1709 case CODEC_ID_FLV1:
1710 case CODEC_ID_RV10:
1711 case CODEC_ID_RV20:
1712 h263_encode_mb(s, s->block, motion_x, motion_y); break;
1713 case CODEC_ID_MJPEG:
1714 if (ENABLE_MJPEG_ENCODER)
1715 ff_mjpeg_encode_mb(s, s->block);
1716 break;
1717 default:
1718 assert(0);
1719 }
1720}
1721
1722static av_always_inline void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
1723{
1724 if (s->chroma_format == CHROMA_420) encode_mb_internal(s, motion_x, motion_y, 8, 6);
1725 else encode_mb_internal(s, motion_x, motion_y, 16, 8);
1726}
1727
1728void ff_copy_bits(PutBitContext *pb, uint8_t *src, int length)
1729{
1730 const uint16_t *srcw= (uint16_t*)src;
1731 int words= length>>4;
1732 int bits= length&15;
1733 int i;
1734
1735 if(length==0) return;
1736
1737 if(words < 16){
1738 for(i=0; i<words; i++) put_bits(pb, 16, be2me_16(srcw[i]));
1739 }else if(put_bits_count(pb)&7){
1740 for(i=0; i<words; i++) put_bits(pb, 16, be2me_16(srcw[i]));
1741 }else{
1742 for(i=0; put_bits_count(pb)&31; i++)
1743 put_bits(pb, 8, src[i]);
1744 flush_put_bits(pb);
1745 memcpy(pbBufPtr(pb), src+i, 2*words-i);
1746 skip_put_bytes(pb, 2*words-i);
1747 }
1748
1749 put_bits(pb, bits, be2me_16(srcw[words])>>(16-bits));
1750}
1751
1752static inline void copy_context_before_encode(MpegEncContext *d, MpegEncContext *s, int type){
1753 int i;
1754
1755 memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
1756
1757 /* mpeg1 */
1758 d->mb_skip_run= s->mb_skip_run;
1759 for(i=0; i<3; i++)
1760 d->last_dc[i]= s->last_dc[i];
1761
1762 /* statistics */
1763 d->mv_bits= s->mv_bits;
1764 d->i_tex_bits= s->i_tex_bits;
1765 d->p_tex_bits= s->p_tex_bits;
1766 d->i_count= s->i_count;
1767 d->f_count= s->f_count;
1768 d->b_count= s->b_count;
1769 d->skip_count= s->skip_count;
1770 d->misc_bits= s->misc_bits;
1771 d->last_bits= 0;
1772
1773 d->mb_skipped= 0;
1774 d->qscale= s->qscale;
1775 d->dquant= s->dquant;
1776}
1777
1778static inline void copy_context_after_encode(MpegEncContext *d, MpegEncContext *s, int type){
1779 int i;
1780
1781 memcpy(d->mv, s->mv, 2*4*2*sizeof(int));
1782 memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
1783
1784 /* mpeg1 */
1785 d->mb_skip_run= s->mb_skip_run;
1786 for(i=0; i<3; i++)
1787 d->last_dc[i]= s->last_dc[i];
1788
1789 /* statistics */
1790 d->mv_bits= s->mv_bits;
1791 d->i_tex_bits= s->i_tex_bits;
1792 d->p_tex_bits= s->p_tex_bits;
1793 d->i_count= s->i_count;
1794 d->f_count= s->f_count;
1795 d->b_count= s->b_count;
1796 d->skip_count= s->skip_count;
1797 d->misc_bits= s->misc_bits;
1798
1799 d->mb_intra= s->mb_intra;
1800 d->mb_skipped= s->mb_skipped;
1801 d->mv_type= s->mv_type;
1802 d->mv_dir= s->mv_dir;
1803 d->pb= s->pb;
1804 if(s->data_partitioning){
1805 d->pb2= s->pb2;
1806 d->tex_pb= s->tex_pb;
1807 }
1808 d->block= s->block;
1809 for(i=0; i<8; i++)
1810 d->block_last_index[i]= s->block_last_index[i];
1811 d->interlaced_dct= s->interlaced_dct;
1812 d->qscale= s->qscale;
1813}
1814
1815static inline void encode_mb_hq(MpegEncContext *s, MpegEncContext *backup, MpegEncContext *best, int type,
1816 PutBitContext pb[2], PutBitContext pb2[2], PutBitContext tex_pb[2],
1817 int *dmin, int *next_block, int motion_x, int motion_y)
1818{
1819 int score;
1820 uint8_t *dest_backup[3];
1821
1822 copy_context_before_encode(s, backup, type);
1823
1824 s->block= s->blocks[*next_block];
1825 s->pb= pb[*next_block];
1826 if(s->data_partitioning){
1827 s->pb2 = pb2 [*next_block];
1828 s->tex_pb= tex_pb[*next_block];
1829 }
1830
1831 if(*next_block){
1832 memcpy(dest_backup, s->dest, sizeof(s->dest));
1833 s->dest[0] = s->rd_scratchpad;
1834 s->dest[1] = s->rd_scratchpad + 16*s->linesize;
1835 s->dest[2] = s->rd_scratchpad + 16*s->linesize + 8;
1836 assert(s->linesize >= 32); //FIXME
1837 }
1838
1839 encode_mb(s, motion_x, motion_y);
1840
1841 score= put_bits_count(&s->pb);
1842 if(s->data_partitioning){
1843 score+= put_bits_count(&s->pb2);
1844 score+= put_bits_count(&s->tex_pb);
1845 }
1846
1847 if(s->avctx->mb_decision == FF_MB_DECISION_RD){
1848 MPV_decode_mb(s, s->block);
1849
1850 score *= s->lambda2;
1851 score += sse_mb(s) << FF_LAMBDA_SHIFT;
1852 }
1853
1854 if(*next_block){
1855 memcpy(s->dest, dest_backup, sizeof(s->dest));
1856 }
1857
1858 if(score<*dmin){
1859 *dmin= score;
1860 *next_block^=1;
1861
1862 copy_context_after_encode(best, s, type);
1863 }
1864}
1865
1866static int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, int h, int stride){
1867 uint32_t *sq = ff_squareTbl + 256;
1868 int acc=0;
1869 int x,y;
1870
1871 if(w==16 && h==16)
1872 return s->dsp.sse[0](NULL, src1, src2, stride, 16);
1873 else if(w==8 && h==8)
1874 return s->dsp.sse[1](NULL, src1, src2, stride, 8);
1875
1876 for(y=0; y<h; y++){
1877 for(x=0; x<w; x++){
1878 acc+= sq[src1[x + y*stride] - src2[x + y*stride]];
1879 }
1880 }
1881
1882 assert(acc>=0);
1883
1884 return acc;
1885}
1886
1887static int sse_mb(MpegEncContext *s){
1888 int w= 16;
1889 int h= 16;
1890
1891 if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
1892 if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
1893
1894 if(w==16 && h==16)
1895 if(s->avctx->mb_cmp == FF_CMP_NSSE){
1896 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)
1897 +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)
1898 +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);
1899 }else{
1900 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)
1901 +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)
1902 +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);
1903 }
1904 else
1905 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)
1906 +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)
1907 +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);
1908}
1909
1910static int pre_estimate_motion_thread(AVCodecContext *c, void *arg){
1911 MpegEncContext *s= arg;
1912
1913
1914 s->me.pre_pass=1;
1915 s->me.dia_size= s->avctx->pre_dia_size;
1916 s->first_slice_line=1;
1917 for(s->mb_y= s->end_mb_y-1; s->mb_y >= s->start_mb_y; s->mb_y--) {
1918 for(s->mb_x=s->mb_width-1; s->mb_x >=0 ;s->mb_x--) {
1919 ff_pre_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
1920 }
1921 s->first_slice_line=0;
1922 }
1923
1924 s->me.pre_pass=0;
1925
1926 return 0;
1927}
1928
1929static int estimate_motion_thread(AVCodecContext *c, void *arg){
1930 MpegEncContext *s= arg;
1931
1932 ff_check_alignment();
1933
1934 s->me.dia_size= s->avctx->dia_size;
1935 s->first_slice_line=1;
1936 for(s->mb_y= s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) {
1937 s->mb_x=0; //for block init below
1938 ff_init_block_index(s);
1939 for(s->mb_x=0; s->mb_x < s->mb_width; s->mb_x++) {
1940 s->block_index[0]+=2;
1941 s->block_index[1]+=2;
1942 s->block_index[2]+=2;
1943 s->block_index[3]+=2;
1944
1945 /* compute motion vector & mb_type and store in context */
1946 if(s->pict_type==B_TYPE)
1947 ff_estimate_b_frame_motion(s, s->mb_x, s->mb_y);
1948 else
1949 ff_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
1950 }
1951 s->first_slice_line=0;
1952 }
1953 return 0;
1954}
1955
1956static int mb_var_thread(AVCodecContext *c, void *arg){
1957 MpegEncContext *s= arg;
1958 int mb_x, mb_y;
1959
1960 ff_check_alignment();
1961
1962 for(mb_y=s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
1963 for(mb_x=0; mb_x < s->mb_width; mb_x++) {
1964 int xx = mb_x * 16;
1965 int yy = mb_y * 16;
1966 uint8_t *pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
1967 int varc;
1968 int sum = s->dsp.pix_sum(pix, s->linesize);
1969
1970 varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
1971
1972 s->current_picture.mb_var [s->mb_stride * mb_y + mb_x] = varc;
1973 s->current_picture.mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
1974 s->me.mb_var_sum_temp += varc;
1975 }
1976 }
1977 return 0;
1978}
1979
1980static void write_slice_end(MpegEncContext *s){
1981 if(s->codec_id==CODEC_ID_MPEG4){
1982 if(s->partitioned_frame){
1983 ff_mpeg4_merge_partitions(s);
1984 }
1985
1986 ff_mpeg4_stuffing(&s->pb);
1987 }else if(ENABLE_MJPEG_ENCODER && s->out_format == FMT_MJPEG){
1988 ff_mjpeg_encode_stuffing(&s->pb);
1989 }
1990
1991 align_put_bits(&s->pb);
1992 flush_put_bits(&s->pb);
1993
1994 if((s->flags&CODEC_FLAG_PASS1) && !s->partitioned_frame)
1995 s->misc_bits+= get_bits_diff(s);
1996}
1997
1998static int encode_thread(AVCodecContext *c, void *arg){
1999 MpegEncContext *s= arg;
2000 int mb_x, mb_y, pdif = 0;
2001 int i, j;
2002 MpegEncContext best_s, backup_s;
2003 uint8_t bit_buf[2][MAX_MB_BYTES];
2004 uint8_t bit_buf2[2][MAX_MB_BYTES];
2005 uint8_t bit_buf_tex[2][MAX_MB_BYTES];
2006 PutBitContext pb[2], pb2[2], tex_pb[2];
2007//printf("%d->%d\n", s->resync_mb_y, s->end_mb_y);
2008
2009 ff_check_alignment();
2010
2011 for(i=0; i<2; i++){
2012 init_put_bits(&pb [i], bit_buf [i], MAX_MB_BYTES);
2013 init_put_bits(&pb2 [i], bit_buf2 [i], MAX_MB_BYTES);
2014 init_put_bits(&tex_pb[i], bit_buf_tex[i], MAX_MB_BYTES);
2015 }
2016
2017 s->last_bits= put_bits_count(&s->pb);
2018 s->mv_bits=0;
2019 s->misc_bits=0;
2020 s->i_tex_bits=0;
2021 s->p_tex_bits=0;
2022 s->i_count=0;
2023 s->f_count=0;
2024 s->b_count=0;
2025 s->skip_count=0;
2026
2027 for(i=0; i<3; i++){
2028 /* init last dc values */
2029 /* note: quant matrix value (8) is implied here */
2030 s->last_dc[i] = 128 << s->intra_dc_precision;
2031
2032 s->current_picture.error[i] = 0;
2033 }
2034 s->mb_skip_run = 0;
2035 memset(s->last_mv, 0, sizeof(s->last_mv));
2036
2037 s->last_mv_dir = 0;
2038
2039 switch(s->codec_id){
2040 case CODEC_ID_H263:
2041 case CODEC_ID_H263P:
2042 case CODEC_ID_FLV1:
2043 s->gob_index = ff_h263_get_gob_height(s);
2044 break;
2045 case CODEC_ID_MPEG4:
2046 if(s->partitioned_frame)
2047 ff_mpeg4_init_partitions(s);
2048 break;
2049 }
2050
2051 s->resync_mb_x=0;
2052 s->resync_mb_y=0;
2053 s->first_slice_line = 1;
2054 s->ptr_lastgob = s->pb.buf;
2055 for(mb_y= s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
2056// printf("row %d at %X\n", s->mb_y, (int)s);
2057 s->mb_x=0;
2058 s->mb_y= mb_y;
2059
2060 ff_set_qscale(s, s->qscale);
2061 ff_init_block_index(s);
2062
2063 for(mb_x=0; mb_x < s->mb_width; mb_x++) {
2064 int xy= mb_y*s->mb_stride + mb_x; // removed const, H261 needs to adjust this
2065 int mb_type= s->mb_type[xy];
2066// int d;
2067 int dmin= INT_MAX;
2068 int dir;
2069
2070 if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < MAX_MB_BYTES){
2071 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
2072 return -1;
2073 }
2074 if(s->data_partitioning){
2075 if( s->pb2 .buf_end - s->pb2 .buf - (put_bits_count(&s-> pb2)>>3) < MAX_MB_BYTES
2076 || s->tex_pb.buf_end - s->tex_pb.buf - (put_bits_count(&s->tex_pb )>>3) < MAX_MB_BYTES){
2077 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
2078 return -1;
2079 }
2080 }
2081
2082 s->mb_x = mb_x;
2083 s->mb_y = mb_y; // moved into loop, can get changed by H.261
2084 ff_update_block_index(s);
2085
2086 if(ENABLE_H261_ENCODER && s->codec_id == CODEC_ID_H261){
2087 ff_h261_reorder_mb_index(s);
2088 xy= s->mb_y*s->mb_stride + s->mb_x;
2089 mb_type= s->mb_type[xy];
2090 }
2091
2092 /* write gob / video packet header */
2093 if(s->rtp_mode){
2094 int current_packet_size, is_gob_start;
2095
2096 current_packet_size= ((put_bits_count(&s->pb)+7)>>3) - (s->ptr_lastgob - s->pb.buf);
2097
2098 is_gob_start= s->avctx->rtp_payload_size && current_packet_size >= s->avctx->rtp_payload_size && mb_y + mb_x>0;
2099
2100 if(s->start_mb_y == mb_y && mb_y > 0 && mb_x==0) is_gob_start=1;
2101
2102 switch(s->codec_id){
2103 case CODEC_ID_H263:
2104 case CODEC_ID_H263P:
2105 if(!s->h263_slice_structured)
2106 if(s->mb_x || s->mb_y%s->gob_index) is_gob_start=0;
2107 break;
2108 case CODEC_ID_MPEG2VIDEO:
2109 if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1;
2110 case CODEC_ID_MPEG1VIDEO:
2111 if(s->mb_skip_run) is_gob_start=0;
2112 break;
2113 }
2114
2115 if(is_gob_start){
2116 if(s->start_mb_y != mb_y || mb_x!=0){
2117 write_slice_end(s);
2118
2119 if(s->codec_id==CODEC_ID_MPEG4 && s->partitioned_frame){
2120 ff_mpeg4_init_partitions(s);
2121 }
2122 }
2123
2124 assert((put_bits_count(&s->pb)&7) == 0);
2125 current_packet_size= pbBufPtr(&s->pb) - s->ptr_lastgob;
2126
2127 if(s->avctx->error_rate && s->resync_mb_x + s->resync_mb_y > 0){
2128 int r= put_bits_count(&s->pb)/8 + s->picture_number + 16 + s->mb_x + s->mb_y;
2129 int d= 100 / s->avctx->error_rate;
2130 if(r % d == 0){
2131 current_packet_size=0;
2132#ifndef ALT_BITSTREAM_WRITER
2133 s->pb.buf_ptr= s->ptr_lastgob;
2134#endif
2135 assert(pbBufPtr(&s->pb) == s->ptr_lastgob);
2136 }
2137 }
2138
2139 if (s->avctx->rtp_callback){
2140 int number_mb = (mb_y - s->resync_mb_y)*s->mb_width + mb_x - s->resync_mb_x;
2141 s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, current_packet_size, number_mb);
2142 }
2143
2144 switch(s->codec_id){
2145 case CODEC_ID_MPEG4:
2146 ff_mpeg4_encode_video_packet_header(s);
2147 ff_mpeg4_clean_buffers(s);
2148 break;
2149 case CODEC_ID_MPEG1VIDEO:
2150 case CODEC_ID_MPEG2VIDEO:
a6bc5731 2151 if (ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER) {
3ada94ba
BF
2152 ff_mpeg1_encode_slice_header(s);
2153 ff_mpeg1_clean_buffers(s);
a6bc5731 2154 }
3ada94ba
BF
2155 break;
2156 case CODEC_ID_H263:
2157 case CODEC_ID_H263P:
2158 h263_encode_gob_header(s, mb_y);
2159 break;
2160 }
2161
2162 if(s->flags&CODEC_FLAG_PASS1){
2163 int bits= put_bits_count(&s->pb);
2164 s->misc_bits+= bits - s->last_bits;
2165 s->last_bits= bits;
2166 }
2167
2168 s->ptr_lastgob += current_packet_size;
2169 s->first_slice_line=1;
2170 s->resync_mb_x=mb_x;
2171 s->resync_mb_y=mb_y;
2172 }
2173 }
2174
2175 if( (s->resync_mb_x == s->mb_x)
2176 && s->resync_mb_y+1 == s->mb_y){
2177 s->first_slice_line=0;
2178 }
2179
2180 s->mb_skipped=0;
2181 s->dquant=0; //only for QP_RD
2182
2183 if(mb_type & (mb_type-1) || (s->flags & CODEC_FLAG_QP_RD)){ // more than 1 MB type possible or CODEC_FLAG_QP_RD
2184 int next_block=0;
2185 int pb_bits_count, pb2_bits_count, tex_pb_bits_count;
2186
2187 copy_context_before_encode(&backup_s, s, -1);
2188 backup_s.pb= s->pb;
2189 best_s.data_partitioning= s->data_partitioning;
2190 best_s.partitioned_frame= s->partitioned_frame;
2191 if(s->data_partitioning){
2192 backup_s.pb2= s->pb2;
2193 backup_s.tex_pb= s->tex_pb;
2194 }
2195
2196 if(mb_type&CANDIDATE_MB_TYPE_INTER){
2197 s->mv_dir = MV_DIR_FORWARD;
2198 s->mv_type = MV_TYPE_16X16;
2199 s->mb_intra= 0;
2200 s->mv[0][0][0] = s->p_mv_table[xy][0];
2201 s->mv[0][0][1] = s->p_mv_table[xy][1];
2202 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER, pb, pb2, tex_pb,
2203 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2204 }
2205 if(mb_type&CANDIDATE_MB_TYPE_INTER_I){
2206 s->mv_dir = MV_DIR_FORWARD;
2207 s->mv_type = MV_TYPE_FIELD;
2208 s->mb_intra= 0;
2209 for(i=0; i<2; i++){
2210 j= s->field_select[0][i] = s->p_field_select_table[i][xy];
2211 s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
2212 s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
2213 }
2214 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER_I, pb, pb2, tex_pb,
2215 &dmin, &next_block, 0, 0);
2216 }
2217 if(mb_type&CANDIDATE_MB_TYPE_SKIPPED){
2218 s->mv_dir = MV_DIR_FORWARD;
2219 s->mv_type = MV_TYPE_16X16;
2220 s->mb_intra= 0;
2221 s->mv[0][0][0] = 0;
2222 s->mv[0][0][1] = 0;
2223 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_SKIPPED, pb, pb2, tex_pb,
2224 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2225 }
2226 if(mb_type&CANDIDATE_MB_TYPE_INTER4V){
2227 s->mv_dir = MV_DIR_FORWARD;
2228 s->mv_type = MV_TYPE_8X8;
2229 s->mb_intra= 0;
2230 for(i=0; i<4; i++){
2231 s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
2232 s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
2233 }
2234 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER4V, pb, pb2, tex_pb,
2235 &dmin, &next_block, 0, 0);
2236 }
2237 if(mb_type&CANDIDATE_MB_TYPE_FORWARD){
2238 s->mv_dir = MV_DIR_FORWARD;
2239 s->mv_type = MV_TYPE_16X16;
2240 s->mb_intra= 0;
2241 s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
2242 s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
2243 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD, pb, pb2, tex_pb,
2244 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2245 }
2246 if(mb_type&CANDIDATE_MB_TYPE_BACKWARD){
2247 s->mv_dir = MV_DIR_BACKWARD;
2248 s->mv_type = MV_TYPE_16X16;
2249 s->mb_intra= 0;
2250 s->mv[1][0][0] = s->b_back_mv_table[xy][0];
2251 s->mv[1][0][1] = s->b_back_mv_table[xy][1];
2252 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD, pb, pb2, tex_pb,
2253 &dmin, &next_block, s->mv[1][0][0], s->mv[1][0][1]);
2254 }
2255 if(mb_type&CANDIDATE_MB_TYPE_BIDIR){
2256 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2257 s->mv_type = MV_TYPE_16X16;
2258 s->mb_intra= 0;
2259 s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
2260 s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
2261 s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
2262 s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
2263 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR, pb, pb2, tex_pb,
2264 &dmin, &next_block, 0, 0);
2265 }
2266 if(mb_type&CANDIDATE_MB_TYPE_FORWARD_I){
2267 s->mv_dir = MV_DIR_FORWARD;
2268 s->mv_type = MV_TYPE_FIELD;
2269 s->mb_intra= 0;
2270 for(i=0; i<2; i++){
2271 j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
2272 s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
2273 s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
2274 }
2275 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD_I, pb, pb2, tex_pb,
2276 &dmin, &next_block, 0, 0);
2277 }
2278 if(mb_type&CANDIDATE_MB_TYPE_BACKWARD_I){
2279 s->mv_dir = MV_DIR_BACKWARD;
2280 s->mv_type = MV_TYPE_FIELD;
2281 s->mb_intra= 0;
2282 for(i=0; i<2; i++){
2283 j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
2284 s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
2285 s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
2286 }
2287 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD_I, pb, pb2, tex_pb,
2288 &dmin, &next_block, 0, 0);
2289 }
2290 if(mb_type&CANDIDATE_MB_TYPE_BIDIR_I){
2291 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2292 s->mv_type = MV_TYPE_FIELD;
2293 s->mb_intra= 0;
2294 for(dir=0; dir<2; dir++){
2295 for(i=0; i<2; i++){
2296 j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
2297 s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
2298 s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
2299 }
2300 }
2301 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR_I, pb, pb2, tex_pb,
2302 &dmin, &next_block, 0, 0);
2303 }
2304 if(mb_type&CANDIDATE_MB_TYPE_INTRA){
2305 s->mv_dir = 0;
2306 s->mv_type = MV_TYPE_16X16;
2307 s->mb_intra= 1;
2308 s->mv[0][0][0] = 0;
2309 s->mv[0][0][1] = 0;
2310 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTRA, pb, pb2, tex_pb,
2311 &dmin, &next_block, 0, 0);
2312 if(s->h263_pred || s->h263_aic){
2313 if(best_s.mb_intra)
2314 s->mbintra_table[mb_x + mb_y*s->mb_stride]=1;
2315 else
2316 ff_clean_intra_table_entries(s); //old mode?
2317 }
2318 }
2319
2320 if((s->flags & CODEC_FLAG_QP_RD) && dmin < INT_MAX){
2321 if(best_s.mv_type==MV_TYPE_16X16){ //FIXME move 4mv after QPRD
2322 const int last_qp= backup_s.qscale;
2323 int qpi, qp, dc[6];
2324 DCTELEM ac[6][16];
2325 const int mvdir= (best_s.mv_dir&MV_DIR_BACKWARD) ? 1 : 0;
2326 static const int dquant_tab[4]={-1,1,-2,2};
2327
2328 assert(backup_s.dquant == 0);
2329
2330 //FIXME intra
2331 s->mv_dir= best_s.mv_dir;
2332 s->mv_type = MV_TYPE_16X16;
2333 s->mb_intra= best_s.mb_intra;
2334 s->mv[0][0][0] = best_s.mv[0][0][0];
2335 s->mv[0][0][1] = best_s.mv[0][0][1];
2336 s->mv[1][0][0] = best_s.mv[1][0][0];
2337 s->mv[1][0][1] = best_s.mv[1][0][1];
2338
2339 qpi = s->pict_type == B_TYPE ? 2 : 0;
2340 for(; qpi<4; qpi++){
2341 int dquant= dquant_tab[qpi];
2342 qp= last_qp + dquant;
2343 if(qp < s->avctx->qmin || qp > s->avctx->qmax)
2344 continue;
2345 backup_s.dquant= dquant;
2346 if(s->mb_intra && s->dc_val[0]){
2347 for(i=0; i<6; i++){
2348 dc[i]= s->dc_val[0][ s->block_index[i] ];
2349 memcpy(ac[i], s->ac_val[0][s->block_index[i]], sizeof(DCTELEM)*16);
2350 }
2351 }
2352
2353 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
2354 &dmin, &next_block, s->mv[mvdir][0][0], s->mv[mvdir][0][1]);
2355 if(best_s.qscale != qp){
2356 if(s->mb_intra && s->dc_val[0]){
2357 for(i=0; i<6; i++){
2358 s->dc_val[0][ s->block_index[i] ]= dc[i];
2359 memcpy(s->ac_val[0][s->block_index[i]], ac[i], sizeof(DCTELEM)*16);
2360 }
2361 }
2362 }
2363 }
2364 }
2365 }
2366 if(mb_type&CANDIDATE_MB_TYPE_DIRECT){
2367 int mx= s->b_direct_mv_table[xy][0];
2368 int my= s->b_direct_mv_table[xy][1];
2369
2370 backup_s.dquant = 0;
2371 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2372 s->mb_intra= 0;
2373 ff_mpeg4_set_direct_mv(s, mx, my);
2374 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
2375 &dmin, &next_block, mx, my);
2376 }
2377 if(mb_type&CANDIDATE_MB_TYPE_DIRECT0){
2378 backup_s.dquant = 0;
2379 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2380 s->mb_intra= 0;
2381 ff_mpeg4_set_direct_mv(s, 0, 0);
2382 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
2383 &dmin, &next_block, 0, 0);
2384 }
2385 if(!best_s.mb_intra && s->flags2&CODEC_FLAG2_SKIP_RD){
2386 int coded=0;
2387 for(i=0; i<6; i++)
2388 coded |= s->block_last_index[i];
2389 if(coded){
2390 int mx,my;
2391 memcpy(s->mv, best_s.mv, sizeof(s->mv));
2392 if(best_s.mv_dir & MV_DIRECT){
2393 mx=my=0; //FIXME find the one we actually used
2394 ff_mpeg4_set_direct_mv(s, mx, my);
2395 }else if(best_s.mv_dir&MV_DIR_BACKWARD){
2396 mx= s->mv[1][0][0];
2397 my= s->mv[1][0][1];
2398 }else{
2399 mx= s->mv[0][0][0];
2400 my= s->mv[0][0][1];
2401 }
2402
2403 s->mv_dir= best_s.mv_dir;
2404 s->mv_type = best_s.mv_type;
2405 s->mb_intra= 0;
2406/* s->mv[0][0][0] = best_s.mv[0][0][0];
2407 s->mv[0][0][1] = best_s.mv[0][0][1];
2408 s->mv[1][0][0] = best_s.mv[1][0][0];
2409 s->mv[1][0][1] = best_s.mv[1][0][1];*/
2410 backup_s.dquant= 0;
2411 s->skipdct=1;
2412 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
2413 &dmin, &next_block, mx, my);
2414 s->skipdct=0;
2415 }
2416 }
2417
2418 s->current_picture.qscale_table[xy]= best_s.qscale;
2419
2420 copy_context_after_encode(s, &best_s, -1);
2421
2422 pb_bits_count= put_bits_count(&s->pb);
2423 flush_put_bits(&s->pb);
2424 ff_copy_bits(&backup_s.pb, bit_buf[next_block^1], pb_bits_count);
2425 s->pb= backup_s.pb;
2426
2427 if(s->data_partitioning){
2428 pb2_bits_count= put_bits_count(&s->pb2);
2429 flush_put_bits(&s->pb2);
2430 ff_copy_bits(&backup_s.pb2, bit_buf2[next_block^1], pb2_bits_count);
2431 s->pb2= backup_s.pb2;
2432
2433 tex_pb_bits_count= put_bits_count(&s->tex_pb);
2434 flush_put_bits(&s->tex_pb);
2435 ff_copy_bits(&backup_s.tex_pb, bit_buf_tex[next_block^1], tex_pb_bits_count);
2436 s->tex_pb= backup_s.tex_pb;
2437 }
2438 s->last_bits= put_bits_count(&s->pb);
2439
2440 if (s->out_format == FMT_H263 && s->pict_type!=B_TYPE)
2441 ff_h263_update_motion_val(s);
2442
2443 if(next_block==0){ //FIXME 16 vs linesize16
2444 s->dsp.put_pixels_tab[0][0](s->dest[0], s->rd_scratchpad , s->linesize ,16);
2445 s->dsp.put_pixels_tab[1][0](s->dest[1], s->rd_scratchpad + 16*s->linesize , s->uvlinesize, 8);
2446 s->dsp.put_pixels_tab[1][0](s->dest[2], s->rd_scratchpad + 16*s->linesize + 8, s->uvlinesize, 8);
2447 }
2448
2449 if(s->avctx->mb_decision == FF_MB_DECISION_BITS)
2450 MPV_decode_mb(s, s->block);
2451 } else {
2452 int motion_x = 0, motion_y = 0;
2453 s->mv_type=MV_TYPE_16X16;
2454 // only one MB-Type possible
2455
2456 switch(mb_type){
2457 case CANDIDATE_MB_TYPE_INTRA:
2458 s->mv_dir = 0;
2459 s->mb_intra= 1;
2460 motion_x= s->mv[0][0][0] = 0;
2461 motion_y= s->mv[0][0][1] = 0;
2462 break;
2463 case CANDIDATE_MB_TYPE_INTER:
2464 s->mv_dir = MV_DIR_FORWARD;
2465 s->mb_intra= 0;
2466 motion_x= s->mv[0][0][0] = s->p_mv_table[xy][0];
2467 motion_y= s->mv[0][0][1] = s->p_mv_table[xy][1];
2468 break;
2469 case CANDIDATE_MB_TYPE_INTER_I:
2470 s->mv_dir = MV_DIR_FORWARD;
2471 s->mv_type = MV_TYPE_FIELD;
2472 s->mb_intra= 0;
2473 for(i=0; i<2; i++){
2474 j= s->field_select[0][i] = s->p_field_select_table[i][xy];
2475 s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
2476 s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
2477 }
2478 break;
2479 case CANDIDATE_MB_TYPE_INTER4V:
2480 s->mv_dir = MV_DIR_FORWARD;
2481 s->mv_type = MV_TYPE_8X8;
2482 s->mb_intra= 0;
2483 for(i=0; i<4; i++){
2484 s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
2485 s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
2486 }
2487 break;
2488 case CANDIDATE_MB_TYPE_DIRECT:
2489 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2490 s->mb_intra= 0;
2491 motion_x=s->b_direct_mv_table[xy][0];
2492 motion_y=s->b_direct_mv_table[xy][1];
2493 ff_mpeg4_set_direct_mv(s, motion_x, motion_y);
2494 break;
2495 case CANDIDATE_MB_TYPE_DIRECT0:
2496 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2497 s->mb_intra= 0;
2498 ff_mpeg4_set_direct_mv(s, 0, 0);
2499 break;
2500 case CANDIDATE_MB_TYPE_BIDIR:
2501 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2502 s->mb_intra= 0;
2503 s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
2504 s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
2505 s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
2506 s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
2507 break;
2508 case CANDIDATE_MB_TYPE_BACKWARD:
2509 s->mv_dir = MV_DIR_BACKWARD;
2510 s->mb_intra= 0;
2511 motion_x= s->mv[1][0][0] = s->b_back_mv_table[xy][0];
2512 motion_y= s->mv[1][0][1] = s->b_back_mv_table[xy][1];
2513 break;
2514 case CANDIDATE_MB_TYPE_FORWARD:
2515 s->mv_dir = MV_DIR_FORWARD;
2516 s->mb_intra= 0;
2517 motion_x= s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
2518 motion_y= s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
2519// printf(" %d %d ", motion_x, motion_y);
2520 break;
2521 case CANDIDATE_MB_TYPE_FORWARD_I:
2522 s->mv_dir = MV_DIR_FORWARD;
2523 s->mv_type = MV_TYPE_FIELD;
2524 s->mb_intra= 0;
2525 for(i=0; i<2; i++){
2526 j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
2527 s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
2528 s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
2529 }
2530 break;
2531 case CANDIDATE_MB_TYPE_BACKWARD_I:
2532 s->mv_dir = MV_DIR_BACKWARD;
2533 s->mv_type = MV_TYPE_FIELD;
2534 s->mb_intra= 0;
2535 for(i=0; i<2; i++){
2536 j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
2537 s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
2538 s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
2539 }
2540 break;
2541 case CANDIDATE_MB_TYPE_BIDIR_I:
2542 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2543 s->mv_type = MV_TYPE_FIELD;
2544 s->mb_intra= 0;
2545 for(dir=0; dir<2; dir++){
2546 for(i=0; i<2; i++){
2547 j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
2548 s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
2549 s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
2550 }
2551 }
2552 break;
2553 default:
2554 av_log(s->avctx, AV_LOG_ERROR, "illegal MB type\n");
2555 }
2556
2557 encode_mb(s, motion_x, motion_y);
2558
2559 // RAL: Update last macroblock type
2560 s->last_mv_dir = s->mv_dir;
2561
2562 if (s->out_format == FMT_H263 && s->pict_type!=B_TYPE)
2563 ff_h263_update_motion_val(s);
2564
2565 MPV_decode_mb(s, s->block);
2566 }
2567
2568 /* clean the MV table in IPS frames for direct mode in B frames */
2569 if(s->mb_intra /* && I,P,S_TYPE */){
2570 s->p_mv_table[xy][0]=0;
2571 s->p_mv_table[xy][1]=0;
2572 }
2573
2574 if(s->flags&CODEC_FLAG_PSNR){
2575 int w= 16;
2576 int h= 16;
2577
2578 if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
2579 if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
2580
2581 s->current_picture.error[0] += sse(
2582 s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16,
2583 s->dest[0], w, h, s->linesize);
2584 s->current_picture.error[1] += sse(
2585 s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,
2586 s->dest[1], w>>1, h>>1, s->uvlinesize);
2587 s->current_picture.error[2] += sse(
2588 s, s->new_picture .data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,
2589 s->dest[2], w>>1, h>>1, s->uvlinesize);
2590 }
2591 if(s->loop_filter){
2592 if(s->out_format == FMT_H263)
2593 ff_h263_loop_filter(s);
2594 }
2595//printf("MB %d %d bits\n", s->mb_x+s->mb_y*s->mb_stride, put_bits_count(&s->pb));
2596 }
2597 }
2598
2599 //not beautiful here but we must write it before flushing so it has to be here
2600 if (ENABLE_MSMPEG4_ENCODER && s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type == I_TYPE)
2601 msmpeg4_encode_ext_header(s);
2602
2603 write_slice_end(s);
2604
2605 /* Send the last GOB if RTP */
2606 if (s->avctx->rtp_callback) {
2607 int number_mb = (mb_y - s->resync_mb_y)*s->mb_width - s->resync_mb_x;
2608 pdif = pbBufPtr(&s->pb) - s->ptr_lastgob;
2609 /* Call the RTP callback to send the last GOB */
2610 emms_c();
2611 s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, pdif, number_mb);
2612 }
2613
2614 return 0;
2615}
2616
2617#define MERGE(field) dst->field += src->field; src->field=0
2618static void merge_context_after_me(MpegEncContext *dst, MpegEncContext *src){
2619 MERGE(me.scene_change_score);
2620 MERGE(me.mc_mb_var_sum_temp);
2621 MERGE(me.mb_var_sum_temp);
2622}
2623
2624static void merge_context_after_encode(MpegEncContext *dst, MpegEncContext *src){
2625 int i;
2626
2627 MERGE(dct_count[0]); //note, the other dct vars are not part of the context
2628 MERGE(dct_count[1]);
2629 MERGE(mv_bits);
2630 MERGE(i_tex_bits);
2631 MERGE(p_tex_bits);
2632 MERGE(i_count);
2633 MERGE(f_count);
2634 MERGE(b_count);
2635 MERGE(skip_count);
2636 MERGE(misc_bits);
2637 MERGE(error_count);
2638 MERGE(padding_bug_score);
2639 MERGE(current_picture.error[0]);
2640 MERGE(current_picture.error[1]);
2641 MERGE(current_picture.error[2]);
2642
2643 if(dst->avctx->noise_reduction){
2644 for(i=0; i<64; i++){
2645 MERGE(dct_error_sum[0][i]);
2646 MERGE(dct_error_sum[1][i]);
2647 }
2648 }
2649
2650 assert(put_bits_count(&src->pb) % 8 ==0);
2651 assert(put_bits_count(&dst->pb) % 8 ==0);
2652 ff_copy_bits(&dst->pb, src->pb.buf, put_bits_count(&src->pb));
2653 flush_put_bits(&dst->pb);
2654}
2655
2656static int estimate_qp(MpegEncContext *s, int dry_run){
2657 if (s->next_lambda){
2658 s->current_picture_ptr->quality=
2659 s->current_picture.quality = s->next_lambda;
2660 if(!dry_run) s->next_lambda= 0;
2661 } else if (!s->fixed_qscale) {
2662 s->current_picture_ptr->quality=
2663 s->current_picture.quality = ff_rate_estimate_qscale(s, dry_run);
2664 if (s->current_picture.quality < 0)
2665 return -1;
2666 }
2667
2668 if(s->adaptive_quant){
2669 switch(s->codec_id){
2670 case CODEC_ID_MPEG4:
2671 ff_clean_mpeg4_qscales(s);
2672 break;
2673 case CODEC_ID_H263:
2674 case CODEC_ID_H263P:
2675 case CODEC_ID_FLV1:
2676 ff_clean_h263_qscales(s);
2677 break;
2678 }
2679
2680 s->lambda= s->lambda_table[0];
2681 //FIXME broken
2682 }else
2683 s->lambda= s->current_picture.quality;
2684//printf("%d %d\n", s->avctx->global_quality, s->current_picture.quality);
2685 update_qscale(s);
2686 return 0;
2687}
2688
2689static int encode_picture(MpegEncContext *s, int picture_number)
2690{
2691 int i;
2692 int bits;
2693
2694 s->picture_number = picture_number;
2695
2696 /* Reset the average MB variance */
2697 s->me.mb_var_sum_temp =
2698 s->me.mc_mb_var_sum_temp = 0;
2699
2700 /* we need to initialize some time vars before we can encode b-frames */
2701 // RAL: Condition added for MPEG1VIDEO
2702 if (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO || (s->h263_pred && !s->h263_msmpeg4))
2703 ff_set_mpeg4_time(s, s->picture_number); //FIXME rename and use has_b_frames or similar
2704
2705 s->me.scene_change_score=0;
2706
2707// s->lambda= s->current_picture_ptr->quality; //FIXME qscale / ... stuff for ME ratedistoration
2708
2709 if(s->pict_type==I_TYPE){
2710 if(s->msmpeg4_version >= 3) s->no_rounding=1;
2711 else s->no_rounding=0;
2712 }else if(s->pict_type!=B_TYPE){
2713 if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
2714 s->no_rounding ^= 1;
2715 }
2716
2717 if(s->flags & CODEC_FLAG_PASS2){
2718 if (estimate_qp(s,1) < 0)
2719 return -1;
2720 ff_get_2pass_fcode(s);
2721 }else if(!(s->flags & CODEC_FLAG_QSCALE)){
2722 if(s->pict_type==B_TYPE)
2723 s->lambda= s->last_lambda_for[s->pict_type];
2724 else
2725 s->lambda= s->last_lambda_for[s->last_non_b_pict_type];
2726 update_qscale(s);
2727 }
2728
2729 s->mb_intra=0; //for the rate distortion & bit compare functions
2730 for(i=1; i<s->avctx->thread_count; i++){
2731 ff_update_duplicate_context(s->thread_context[i], s);
2732 }
2733
2734 ff_init_me(s);
2735
2736 /* Estimate motion for every MB */
2737 if(s->pict_type != I_TYPE){
2738 s->lambda = (s->lambda * s->avctx->me_penalty_compensation + 128)>>8;
2739 s->lambda2= (s->lambda2* (int64_t)s->avctx->me_penalty_compensation + 128)>>8;
2740 if(s->pict_type != B_TYPE && s->avctx->me_threshold==0){
2741 if((s->avctx->pre_me && s->last_non_b_pict_type==I_TYPE) || s->avctx->pre_me==2){
2742 s->avctx->execute(s->avctx, pre_estimate_motion_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count);
2743 }
2744 }
2745
2746 s->avctx->execute(s->avctx, estimate_motion_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count);
2747 }else /* if(s->pict_type == I_TYPE) */{
2748 /* I-Frame */
2749 for(i=0; i<s->mb_stride*s->mb_height; i++)
2750 s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
2751
2752 if(!s->fixed_qscale){
2753 /* finding spatial complexity for I-frame rate control */
2754 s->avctx->execute(s->avctx, mb_var_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count);
2755 }
2756 }
2757 for(i=1; i<s->avctx->thread_count; i++){
2758 merge_context_after_me(s, s->thread_context[i]);
2759 }
2760 s->current_picture.mc_mb_var_sum= s->current_picture_ptr->mc_mb_var_sum= s->me.mc_mb_var_sum_temp;
2761 s->current_picture. mb_var_sum= s->current_picture_ptr-> mb_var_sum= s->me. mb_var_sum_temp;
2762 emms_c();
2763
2764 if(s->me.scene_change_score > s->avctx->scenechange_threshold && s->pict_type == P_TYPE){
2765 s->pict_type= I_TYPE;
2766 for(i=0; i<s->mb_stride*s->mb_height; i++)
2767 s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
2768//printf("Scene change detected, encoding as I Frame %d %d\n", s->current_picture.mb_var_sum, s->current_picture.mc_mb_var_sum);
2769 }
2770
2771 if(!s->umvplus){
2772 if(s->pict_type==P_TYPE || s->pict_type==S_TYPE) {
2773 s->f_code= ff_get_best_fcode(s, s->p_mv_table, CANDIDATE_MB_TYPE_INTER);
2774
2775 if(s->flags & CODEC_FLAG_INTERLACED_ME){
2776 int a,b;
2777 a= ff_get_best_fcode(s, s->p_field_mv_table[0][0], CANDIDATE_MB_TYPE_INTER_I); //FIXME field_select
2778 b= ff_get_best_fcode(s, s->p_field_mv_table[1][1], CANDIDATE_MB_TYPE_INTER_I);
2779 s->f_code= FFMAX(s->f_code, FFMAX(a,b));
2780 }
2781
2782 ff_fix_long_p_mvs(s);
2783 ff_fix_long_mvs(s, NULL, 0, s->p_mv_table, s->f_code, CANDIDATE_MB_TYPE_INTER, 0);
2784 if(s->flags & CODEC_FLAG_INTERLACED_ME){
2785 int j;
2786 for(i=0; i<2; i++){
2787 for(j=0; j<2; j++)
2788 ff_fix_long_mvs(s, s->p_field_select_table[i], j,
2789 s->p_field_mv_table[i][j], s->f_code, CANDIDATE_MB_TYPE_INTER_I, 0);
2790 }
2791 }
2792 }
2793
2794 if(s->pict_type==B_TYPE){
2795 int a, b;
2796
2797 a = ff_get_best_fcode(s, s->b_forw_mv_table, CANDIDATE_MB_TYPE_FORWARD);
2798 b = ff_get_best_fcode(s, s->b_bidir_forw_mv_table, CANDIDATE_MB_TYPE_BIDIR);
2799 s->f_code = FFMAX(a, b);
2800
2801 a = ff_get_best_fcode(s, s->b_back_mv_table, CANDIDATE_MB_TYPE_BACKWARD);
2802 b = ff_get_best_fcode(s, s->b_bidir_back_mv_table, CANDIDATE_MB_TYPE_BIDIR);
2803 s->b_code = FFMAX(a, b);
2804
2805 ff_fix_long_mvs(s, NULL, 0, s->b_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_FORWARD, 1);
2806 ff_fix_long_mvs(s, NULL, 0, s->b_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BACKWARD, 1);
2807 ff_fix_long_mvs(s, NULL, 0, s->b_bidir_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_BIDIR, 1);
2808 ff_fix_long_mvs(s, NULL, 0, s->b_bidir_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BIDIR, 1);
2809 if(s->flags & CODEC_FLAG_INTERLACED_ME){
2810 int dir, j;
2811 for(dir=0; dir<2; dir++){
2812 for(i=0; i<2; i++){
2813 for(j=0; j<2; j++){
2814 int type= dir ? (CANDIDATE_MB_TYPE_BACKWARD_I|CANDIDATE_MB_TYPE_BIDIR_I)
2815 : (CANDIDATE_MB_TYPE_FORWARD_I |CANDIDATE_MB_TYPE_BIDIR_I);
2816 ff_fix_long_mvs(s, s->b_field_select_table[dir][i], j,
2817 s->b_field_mv_table[dir][i][j], dir ? s->b_code : s->f_code, type, 1);
2818 }
2819 }
2820 }
2821 }
2822 }
2823 }
2824
2825 if (estimate_qp(s, 0) < 0)
2826 return -1;
2827
2828 if(s->qscale < 3 && s->max_qcoeff<=128 && s->pict_type==I_TYPE && !(s->flags & CODEC_FLAG_QSCALE))
2829 s->qscale= 3; //reduce clipping problems
2830
2831 if (s->out_format == FMT_MJPEG) {
2832 /* for mjpeg, we do include qscale in the matrix */
2833 s->intra_matrix[0] = ff_mpeg1_default_intra_matrix[0];
2834 for(i=1;i<64;i++){
2835 int j= s->dsp.idct_permutation[i];
2836
2837 s->intra_matrix[j] = av_clip_uint8((ff_mpeg1_default_intra_matrix[i] * s->qscale) >> 3);
2838 }
2839 convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
2840 s->intra_matrix, s->intra_quant_bias, 8, 8, 1);
2841 s->qscale= 8;
2842 }
2843
2844 //FIXME var duplication
2845 s->current_picture_ptr->key_frame=
2846 s->current_picture.key_frame= s->pict_type == I_TYPE; //FIXME pic_ptr
2847 s->current_picture_ptr->pict_type=
2848 s->current_picture.pict_type= s->pict_type;
2849
2850 if(s->current_picture.key_frame)
2851 s->picture_in_gop_number=0;
2852
2853 s->last_bits= put_bits_count(&s->pb);
2854 switch(s->out_format) {
2855 case FMT_MJPEG:
2856 if (ENABLE_MJPEG_ENCODER)
2857 ff_mjpeg_encode_picture_header(s);
2858 break;
2859 case FMT_H261:
2860 if (ENABLE_H261_ENCODER)
2861 ff_h261_encode_picture_header(s, picture_number);
2862 break;
2863 case FMT_H263:
2864 if (ENABLE_WMV2_ENCODER && s->codec_id == CODEC_ID_WMV2)
2865 ff_wmv2_encode_picture_header(s, picture_number);
2866 else if (ENABLE_MSMPEG4_ENCODER && s->h263_msmpeg4)
2867 msmpeg4_encode_picture_header(s, picture_number);
2868 else if (s->h263_pred)
2869 mpeg4_encode_picture_header(s, picture_number);
2870 else if (ENABLE_RV10_ENCODER && s->codec_id == CODEC_ID_RV10)
2871 rv10_encode_picture_header(s, picture_number);
2872 else if (ENABLE_RV20_ENCODER && s->codec_id == CODEC_ID_RV20)
2873 rv20_encode_picture_header(s, picture_number);
2874 else if (s->codec_id == CODEC_ID_FLV1)
2875 ff_flv_encode_picture_header(s, picture_number);
2876 else
2877 h263_encode_picture_header(s, picture_number);
2878 break;
2879 case FMT_MPEG1:
a6bc5731 2880 if (ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER)
3ada94ba
BF
2881 mpeg1_encode_picture_header(s, picture_number);
2882 break;
2883 case FMT_H264:
2884 break;
2885 default:
2886 assert(0);
2887 }
2888 bits= put_bits_count(&s->pb);
2889 s->header_bits= bits - s->last_bits;
2890
2891 for(i=1; i<s->avctx->thread_count; i++){
2892 update_duplicate_context_after_me(s->thread_context[i], s);
2893 }
2894 s->avctx->execute(s->avctx, encode_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count);
2895 for(i=1; i<s->avctx->thread_count; i++){
2896 merge_context_after_encode(s, s->thread_context[i]);
2897 }
2898 emms_c();
2899 return 0;
2900}
2901
2902void denoise_dct_c(MpegEncContext *s, DCTELEM *block){
2903 const int intra= s->mb_intra;
2904 int i;
2905
2906 s->dct_count[intra]++;
2907
2908 for(i=0; i<64; i++){
2909 int level= block[i];
2910
2911 if(level){
2912 if(level>0){
2913 s->dct_error_sum[intra][i] += level;
2914 level -= s->dct_offset[intra][i];
2915 if(level<0) level=0;
2916 }else{
2917 s->dct_error_sum[intra][i] -= level;
2918 level += s->dct_offset[intra][i];
2919 if(level>0) level=0;
2920 }
2921 block[i]= level;
2922 }
2923 }
2924}
2925
2926int dct_quantize_trellis_c(MpegEncContext *s,
2927 DCTELEM *block, int n,
2928 int qscale, int *overflow){
2929 const int *qmat;
2930 const uint8_t *scantable= s->intra_scantable.scantable;
2931 const uint8_t *perm_scantable= s->intra_scantable.permutated;
2932 int max=0;
2933 unsigned int threshold1, threshold2;
2934 int bias=0;
2935 int run_tab[65];
2936 int level_tab[65];
2937 int score_tab[65];
2938 int survivor[65];
2939 int survivor_count;
2940 int last_run=0;
2941 int last_level=0;
2942 int last_score= 0;
2943 int last_i;
2944 int coeff[2][64];
2945 int coeff_count[64];
2946 int qmul, qadd, start_i, last_non_zero, i, dc;
2947 const int esc_length= s->ac_esc_length;
2948 uint8_t * length;
2949 uint8_t * last_length;
2950 const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6);
2951
2952 s->dsp.fdct (block);
2953
2954 if(s->dct_error_sum)
2955 s->denoise_dct(s, block);
2956 qmul= qscale*16;
2957 qadd= ((qscale-1)|1)*8;
2958
2959 if (s->mb_intra) {
2960 int q;
2961 if (!s->h263_aic) {
2962 if (n < 4)
2963 q = s->y_dc_scale;
2964 else
2965 q = s->c_dc_scale;
2966 q = q << 3;
2967 } else{
2968 /* For AIC we skip quant/dequant of INTRADC */
2969 q = 1 << 3;
2970 qadd=0;
2971 }
2972
2973 /* note: block[0] is assumed to be positive */
2974 block[0] = (block[0] + (q >> 1)) / q;
2975 start_i = 1;
2976 last_non_zero = 0;
2977 qmat = s->q_intra_matrix[qscale];
2978 if(s->mpeg_quant || s->out_format == FMT_MPEG1)
2979 bias= 1<<(QMAT_SHIFT-1);
2980 length = s->intra_ac_vlc_length;
2981 last_length= s->intra_ac_vlc_last_length;
2982 } else {
2983 start_i = 0;
2984 last_non_zero = -1;
2985 qmat = s->q_inter_matrix[qscale];
2986 length = s->inter_ac_vlc_length;
2987 last_length= s->inter_ac_vlc_last_length;
2988 }
2989 last_i= start_i;
2990
2991 threshold1= (1<<QMAT_SHIFT) - bias - 1;
2992 threshold2= (threshold1<<1);
2993
2994 for(i=63; i>=start_i; i--) {
2995 const int j = scantable[i];
2996 int level = block[j] * qmat[j];
2997
2998 if(((unsigned)(level+threshold1))>threshold2){
2999 last_non_zero = i;
3000 break;
3001 }
3002 }
3003
3004 for(i=start_i; i<=last_non_zero; i++) {
3005 const int j = scantable[i];
3006 int level = block[j] * qmat[j];
3007
3008// if( bias+level >= (1<<(QMAT_SHIFT - 3))
3009// || bias-level >= (1<<(QMAT_SHIFT - 3))){
3010 if(((unsigned)(level+threshold1))>threshold2){
3011 if(level>0){
3012 level= (bias + level)>>QMAT_SHIFT;
3013 coeff[0][i]= level;
3014 coeff[1][i]= level-1;
3015// coeff[2][k]= level-2;
3016 }else{
3017 level= (bias - level)>>QMAT_SHIFT;
3018 coeff[0][i]= -level;
3019 coeff[1][i]= -level+1;
3020// coeff[2][k]= -level+2;
3021 }
3022 coeff_count[i]= FFMIN(level, 2);
3023 assert(coeff_count[i]);
3024 max |=level;
3025 }else{
3026 coeff[0][i]= (level>>31)|1;
3027 coeff_count[i]= 1;
3028 }
3029 }
3030
3031 *overflow= s->max_qcoeff < max; //overflow might have happened
3032
3033 if(last_non_zero < start_i){
3034 memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM));
3035 return last_non_zero;
3036 }
3037
3038 score_tab[start_i]= 0;
3039 survivor[0]= start_i;
3040 survivor_count= 1;
3041
3042 for(i=start_i; i<=last_non_zero; i++){
3043 int level_index, j;
3044 const int dct_coeff= FFABS(block[ scantable[i] ]);
3045 const int zero_distoration= dct_coeff*dct_coeff;
3046 int best_score=256*256*256*120;
3047 for(level_index=0; level_index < coeff_count[i]; level_index++){
3048 int distoration;
3049 int level= coeff[level_index][i];
3050 const int alevel= FFABS(level);
3051 int unquant_coeff;
3052
3053 assert(level);
3054
3055 if(s->out_format == FMT_H263){
3056 unquant_coeff= alevel*qmul + qadd;
3057 }else{ //MPEG1
3058 j= s->dsp.idct_permutation[ scantable[i] ]; //FIXME optimize
3059 if(s->mb_intra){
3060 unquant_coeff = (int)( alevel * qscale * s->intra_matrix[j]) >> 3;
3061 unquant_coeff = (unquant_coeff - 1) | 1;
3062 }else{
3063 unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[j])) >> 4;
3064 unquant_coeff = (unquant_coeff - 1) | 1;
3065 }
3066 unquant_coeff<<= 3;
3067 }
3068
3069 distoration= (unquant_coeff - dct_coeff) * (unquant_coeff - dct_coeff) - zero_distoration;
3070 level+=64;
3071 if((level&(~127)) == 0){
3072 for(j=survivor_count-1; j>=0; j--){
3073 int run= i - survivor[j];
3074 int score= distoration + length[UNI_AC_ENC_INDEX(run, level)]*lambda;
3075 score += score_tab[i-run];
3076
3077 if(score < best_score){
3078 best_score= score;
3079 run_tab[i+1]= run;
3080 level_tab[i+1]= level-64;
3081 }
3082 }
3083
3084 if(s->out_format == FMT_H263){
3085 for(j=survivor_count-1; j>=0; j--){
3086 int run= i - survivor[j];
3087 int score= distoration + last_length[UNI_AC_ENC_INDEX(run, level)]*lambda;
3088 score += score_tab[i-run];
3089 if(score < last_score){
3090 last_score= score;
3091 last_run= run;
3092 last_level= level-64;
3093 last_i= i+1;
3094 }
3095 }
3096 }
3097 }else{
3098 distoration += esc_length*lambda;
3099 for(j=survivor_count-1; j>=0; j--){
3100 int run= i - survivor[j];
3101 int score= distoration + score_tab[i-run];
3102
3103 if(score < best_score){
3104 best_score= score;
3105 run_tab[i+1]= run;
3106 level_tab[i+1]= level-64;
3107 }
3108 }
3109
3110 if(s->out_format == FMT_H263){
3111 for(j=survivor_count-1; j>=0; j--){
3112 int run= i - survivor[j];
3113 int score= distoration + score_tab[i-run];
3114 if(score < last_score){
3115 last_score= score;
3116 last_run= run;
3117 last_level= level-64;
3118 last_i= i+1;
3119 }
3120 }
3121 }
3122 }
3123 }
3124
3125 score_tab[i+1]= best_score;
3126
3127 //Note: there is a vlc code in mpeg4 which is 1 bit shorter then another one with a shorter run and the same level
3128 if(last_non_zero <= 27){
3129 for(; survivor_count; survivor_count--){
3130 if(score_tab[ survivor[survivor_count-1] ] <= best_score)
3131 break;
3132 }
3133 }else{
3134 for(; survivor_count; survivor_count--){
3135 if(score_tab[ survivor[survivor_count-1] ] <= best_score + lambda)
3136 break;
3137 }
3138 }
3139
3140 survivor[ survivor_count++ ]= i+1;
3141 }
3142
3143 if(s->out_format != FMT_H263){
3144 last_score= 256*256*256*120;
3145 for(i= survivor[0]; i<=last_non_zero + 1; i++){
3146 int score= score_tab[i];
3147 if(i) score += lambda*2; //FIXME exacter?
3148
3149 if(score < last_score){
3150 last_score= score;
3151 last_i= i;
3152 last_level= level_tab[i];
3153 last_run= run_tab[i];
3154 }
3155 }
3156 }
3157
3158 s->coded_score[n] = last_score;
3159
3160 dc= FFABS(block[0]);
3161 last_non_zero= last_i - 1;
3162 memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM));
3163
3164 if(last_non_zero < start_i)
3165 return last_non_zero;
3166
3167 if(last_non_zero == 0 && start_i == 0){
3168 int best_level= 0;
3169 int best_score= dc * dc;
3170
3171 for(i=0; i<coeff_count[0]; i++){
3172 int level= coeff[i][0];
3173 int alevel= FFABS(level);
3174 int unquant_coeff, score, distortion;
3175
3176 if(s->out_format == FMT_H263){
3177 unquant_coeff= (alevel*qmul + qadd)>>3;
3178 }else{ //MPEG1
3179 unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[0])) >> 4;
3180 unquant_coeff = (unquant_coeff - 1) | 1;
3181 }
3182 unquant_coeff = (unquant_coeff + 4) >> 3;
3183 unquant_coeff<<= 3 + 3;
3184
3185 distortion= (unquant_coeff - dc) * (unquant_coeff - dc);
3186 level+=64;
3187 if((level&(~127)) == 0) score= distortion + last_length[UNI_AC_ENC_INDEX(0, level)]*lambda;
3188 else score= distortion + esc_length*lambda;
3189
3190 if(score < best_score){
3191 best_score= score;
3192 best_level= level - 64;
3193 }
3194 }
3195 block[0]= best_level;
3196 s->coded_score[n] = best_score - dc*dc;
3197 if(best_level == 0) return -1;
3198 else return last_non_zero;
3199 }
3200
3201 i= last_i;
3202 assert(last_level);
3203
3204 block[ perm_scantable[last_non_zero] ]= last_level;
3205 i -= last_run + 1;
3206
3207 for(; i>start_i; i -= run_tab[i] + 1){
3208 block[ perm_scantable[i-1] ]= level_tab[i];
3209 }
3210
3211 return last_non_zero;
3212}
3213
3214//#define REFINE_STATS 1
3215static int16_t basis[64][64];
3216
3217static void build_basis(uint8_t *perm){
3218 int i, j, x, y;
3219 emms_c();
3220 for(i=0; i<8; i++){
3221 for(j=0; j<8; j++){
3222 for(y=0; y<8; y++){
3223 for(x=0; x<8; x++){
3224 double s= 0.25*(1<<BASIS_SHIFT);
3225 int index= 8*i + j;
3226 int perm_index= perm[index];
3227 if(i==0) s*= sqrt(0.5);
3228 if(j==0) s*= sqrt(0.5);
3229 basis[perm_index][8*x + y]= lrintf(s * cos((M_PI/8.0)*i*(x+0.5)) * cos((M_PI/8.0)*j*(y+0.5)));
3230 }
3231 }
3232 }
3233 }
3234}
3235
3236static int dct_quantize_refine(MpegEncContext *s, //FIXME breaks denoise?
3237 DCTELEM *block, int16_t *weight, DCTELEM *orig,
3238 int n, int qscale){
3239 int16_t rem[64];
3240 DECLARE_ALIGNED_16(DCTELEM, d1[64]);
3241 const int *qmat;
3242 const uint8_t *scantable= s->intra_scantable.scantable;
3243 const uint8_t *perm_scantable= s->intra_scantable.permutated;
3244// unsigned int threshold1, threshold2;
3245// int bias=0;
3246 int run_tab[65];
3247 int prev_run=0;
3248 int prev_level=0;
3249 int qmul, qadd, start_i, last_non_zero, i, dc;
3250 uint8_t * length;
3251 uint8_t * last_length;
3252 int lambda;
3253 int rle_index, run, q = 1, sum; //q is only used when s->mb_intra is true
3254#ifdef REFINE_STATS
3255static int count=0;
3256static int after_last=0;
3257static int to_zero=0;
3258static int from_zero=0;
3259static int raise=0;
3260static int lower=0;
3261static int messed_sign=0;
3262#endif
3263
3264 if(basis[0][0] == 0)
3265 build_basis(s->dsp.idct_permutation);
3266
3267 qmul= qscale*2;
3268 qadd= (qscale-1)|1;
3269 if (s->mb_intra) {
3270 if (!s->h263_aic) {
3271 if (n < 4)
3272 q = s->y_dc_scale;
3273 else
3274 q = s->c_dc_scale;
3275 } else{
3276 /* For AIC we skip quant/dequant of INTRADC */
3277 q = 1;
3278 qadd=0;
3279 }
3280 q <<= RECON_SHIFT-3;
3281 /* note: block[0] is assumed to be positive */
3282 dc= block[0]*q;
3283// block[0] = (block[0] + (q >> 1)) / q;
3284 start_i = 1;
3285 qmat = s->q_intra_matrix[qscale];
3286// if(s->mpeg_quant || s->out_format == FMT_MPEG1)
3287// bias= 1<<(QMAT_SHIFT-1);
3288 length = s->intra_ac_vlc_length;
3289 last_length= s->intra_ac_vlc_last_length;
3290 } else {
3291 dc= 0;
3292 start_i = 0;
3293 qmat = s->q_inter_matrix[qscale];
3294 length = s->inter_ac_vlc_length;
3295 last_length= s->inter_ac_vlc_last_length;
3296 }
3297 last_non_zero = s->block_last_index[n];
3298
3299#ifdef REFINE_STATS
3300{START_TIMER
3301#endif
3302 dc += (1<<(RECON_SHIFT-1));
3303 for(i=0; i<64; i++){
3304 rem[i]= dc - (orig[i]<<RECON_SHIFT); //FIXME use orig dirrectly instead of copying to rem[]
3305 }
3306#ifdef REFINE_STATS
3307STOP_TIMER("memset rem[]")}
3308#endif
3309 sum=0;
3310 for(i=0; i<64; i++){
3311 int one= 36;
3312 int qns=4;
3313 int w;
3314
3315 w= FFABS(weight[i]) + qns*one;
3316 w= 15 + (48*qns*one + w/2)/w; // 16 .. 63
3317
3318 weight[i] = w;
3319// w=weight[i] = (63*qns + (w/2)) / w;
3320
3321 assert(w>0);
3322 assert(w<(1<<6));
3323 sum += w*w;
3324 }
3325 lambda= sum*(uint64_t)s->lambda2 >> (FF_LAMBDA_SHIFT - 6 + 6 + 6 + 6);
3326#ifdef REFINE_STATS
3327{START_TIMER
3328#endif
3329 run=0;
3330 rle_index=0;
3331 for(i=start_i; i<=last_non_zero; i++){
3332 int j= perm_scantable[i];
3333 const int level= block[j];
3334 int coeff;
3335
3336 if(level){
3337 if(level<0) coeff= qmul*level - qadd;
3338 else coeff= qmul*level + qadd;
3339 run_tab[rle_index++]=run;
3340 run=0;
3341
3342 s->dsp.add_8x8basis(rem, basis[j], coeff);
3343 }else{
3344 run++;
3345 }
3346 }
3347#ifdef REFINE_STATS
3348if(last_non_zero>0){
3349STOP_TIMER("init rem[]")
3350}
3351}
3352
3353{START_TIMER
3354#endif
3355 for(;;){
3356 int best_score=s->dsp.try_8x8basis(rem, weight, basis[0], 0);
3357 int best_coeff=0;
3358 int best_change=0;
3359 int run2, best_unquant_change=0, analyze_gradient;
3360#ifdef REFINE_STATS
3361{START_TIMER
3362#endif
3363 analyze_gradient = last_non_zero > 2 || s->avctx->quantizer_noise_shaping >= 3;
3364
3365 if(analyze_gradient){
3366#ifdef REFINE_STATS
3367{START_TIMER
3368#endif
3369 for(i=0; i<64; i++){
3370 int w= weight[i];
3371
3372 d1[i] = (rem[i]*w*w + (1<<(RECON_SHIFT+12-1)))>>(RECON_SHIFT+12);
3373 }
3374#ifdef REFINE_STATS
3375STOP_TIMER("rem*w*w")}
3376{START_TIMER
3377#endif
3378 s->dsp.fdct(d1);
3379#ifdef REFINE_STATS
3380STOP_TIMER("dct")}
3381#endif
3382 }
3383
3384 if(start_i){
3385 const int level= block[0];
3386 int change, old_coeff;
3387
3388 assert(s->mb_intra);
3389
3390 old_coeff= q*level;
3391
3392 for(change=-1; change<=1; change+=2){
3393 int new_level= level + change;
3394 int score, new_coeff;
3395
3396 new_coeff= q*new_level;
3397 if(new_coeff >= 2048 || new_coeff < 0)
3398 continue;
3399
3400 score= s->dsp.try_8x8basis(rem, weight, basis[0], new_coeff - old_coeff);
3401 if(score<best_score){
3402 best_score= score;
3403 best_coeff= 0;
3404 best_change= change;
3405 best_unquant_change= new_coeff - old_coeff;
3406 }
3407 }
3408 }
3409
3410 run=0;
3411 rle_index=0;
3412 run2= run_tab[rle_index++];
3413 prev_level=0;
3414 prev_run=0;
3415
3416 for(i=start_i; i<64; i++){
3417 int j= perm_scantable[i];
3418 const int level= block[j];
3419 int change, old_coeff;
3420
3421 if(s->avctx->quantizer_noise_shaping < 3 && i > last_non_zero + 1)
3422 break;
3423
3424 if(level){
3425 if(level<0) old_coeff= qmul*level - qadd;
3426 else old_coeff= qmul*level + qadd;
3427 run2= run_tab[rle_index++]; //FIXME ! maybe after last
3428 }else{
3429 old_coeff=0;
3430 run2--;
3431 assert(run2>=0 || i >= last_non_zero );
3432 }
3433
3434 for(change=-1; change<=1; change+=2){
3435 int new_level= level + change;
3436 int score, new_coeff, unquant_change;
3437
3438 score=0;
3439 if(s->avctx->quantizer_noise_shaping < 2 && FFABS(new_level) > FFABS(level))
3440 continue;
3441
3442 if(new_level){
3443 if(new_level<0) new_coeff= qmul*new_level - qadd;
3444 else new_coeff= qmul*new_level + qadd;
3445 if(new_coeff >= 2048 || new_coeff <= -2048)
3446 continue;
3447 //FIXME check for overflow
3448
3449 if(level){
3450 if(level < 63 && level > -63){
3451 if(i < last_non_zero)
3452 score += length[UNI_AC_ENC_INDEX(run, new_level+64)]
3453 - length[UNI_AC_ENC_INDEX(run, level+64)];
3454 else
3455 score += last_length[UNI_AC_ENC_INDEX(run, new_level+64)]
3456 - last_length[UNI_AC_ENC_INDEX(run, level+64)];
3457 }
3458 }else{
3459 assert(FFABS(new_level)==1);
3460
3461 if(analyze_gradient){
3462 int g= d1[ scantable[i] ];
3463 if(g && (g^new_level) >= 0)
3464 continue;
3465 }
3466
3467 if(i < last_non_zero){
3468 int next_i= i + run2 + 1;
3469 int next_level= block[ perm_scantable[next_i] ] + 64;
3470
3471 if(next_level&(~127))
3472 next_level= 0;
3473
3474 if(next_i < last_non_zero)
3475 score += length[UNI_AC_ENC_INDEX(run, 65)]
3476 + length[UNI_AC_ENC_INDEX(run2, next_level)]
3477 - length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
3478 else
3479 score += length[UNI_AC_ENC_INDEX(run, 65)]
3480 + last_length[UNI_AC_ENC_INDEX(run2, next_level)]
3481 - last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
3482 }else{
3483 score += last_length[UNI_AC_ENC_INDEX(run, 65)];
3484 if(prev_level){
3485 score += length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
3486 - last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
3487 }
3488 }
3489 }
3490 }else{
3491 new_coeff=0;
3492 assert(FFABS(level)==1);
3493
3494 if(i < last_non_zero){
3495 int next_i= i + run2 + 1;
3496 int next_level= block[ perm_scantable[next_i] ] + 64;
3497
3498 if(next_level&(~127))
3499 next_level= 0;
3500
3501 if(next_i < last_non_zero)
3502 score += length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
3503 - length[UNI_AC_ENC_INDEX(run2, next_level)]
3504 - length[UNI_AC_ENC_INDEX(run, 65)];
3505 else
3506 score += last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
3507 - last_length[UNI_AC_ENC_INDEX(run2, next_level)]
3508 - length[UNI_AC_ENC_INDEX(run, 65)];
3509 }else{
3510 score += -last_length[UNI_AC_ENC_INDEX(run, 65)];
3511 if(prev_level){
3512 score += last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
3513 - length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
3514 }
3515 }
3516 }
3517
3518 score *= lambda;
3519
3520 unquant_change= new_coeff - old_coeff;
3521 assert((score < 100*lambda && score > -100*lambda) || lambda==0);
3522
3523 score+= s->dsp.try_8x8basis(rem, weight, basis[j], unquant_change);
3524 if(score<best_score){
3525 best_score= score;
3526 best_coeff= i;
3527 best_change= change;
3528 best_unquant_change= unquant_change;
3529 }
3530 }
3531 if(level){
3532 prev_level= level + 64;
3533 if(prev_level&(~127))
3534 prev_level= 0;
3535 prev_run= run;
3536 run=0;
3537 }else{
3538 run++;
3539 }
3540 }
3541#ifdef REFINE_STATS
3542STOP_TIMER("iterative step")}
3543#endif
3544
3545 if(best_change){
3546 int j= perm_scantable[ best_coeff ];
3547
3548 block[j] += best_change;
3549
3550 if(best_coeff > last_non_zero){
3551 last_non_zero= best_coeff;
3552 assert(block[j]);
3553#ifdef REFINE_STATS
3554after_last++;
3555#endif
3556 }else{
3557#ifdef REFINE_STATS
3558if(block[j]){
3559 if(block[j] - best_change){
3560 if(FFABS(block[j]) > FFABS(block[j] - best_change)){
3561 raise++;
3562 }else{
3563 lower++;
3564 }
3565 }else{
3566 from_zero++;
3567 }
3568}else{
3569 to_zero++;
3570}
3571#endif
3572 for(; last_non_zero>=start_i; last_non_zero--){
3573 if(block[perm_scantable[last_non_zero]])
3574 break;
3575 }
3576 }
3577#ifdef REFINE_STATS
3578count++;
3579if(256*256*256*64 % count == 0){
3580 printf("after_last:%d to_zero:%d from_zero:%d raise:%d lower:%d sign:%d xyp:%d/%d/%d\n", after_last, to_zero, from_zero, raise, lower, messed_sign, s->mb_x, s->mb_y, s->picture_number);
3581}
3582#endif
3583 run=0;
3584 rle_index=0;
3585 for(i=start_i; i<=last_non_zero; i++){
3586 int j= perm_scantable[i];
3587 const int level= block[j];
3588
3589 if(level){
3590 run_tab[rle_index++]=run;
3591 run=0;
3592 }else{
3593 run++;
3594 }
3595 }
3596
3597 s->dsp.add_8x8basis(rem, basis[j], best_unquant_change);
3598 }else{
3599 break;
3600 }
3601 }
3602#ifdef REFINE_STATS
3603if(last_non_zero>0){
3604STOP_TIMER("iterative search")
3605}
3606}
3607#endif
3608
3609 return last_non_zero;
3610}
3611
3612int dct_quantize_c(MpegEncContext *s,
3613 DCTELEM *block, int n,
3614 int qscale, int *overflow)
3615{
3616 int i, j, level, last_non_zero, q, start_i;
3617 const int *qmat;
3618 const uint8_t *scantable= s->intra_scantable.scantable;
3619 int bias;
3620 int max=0;
3621 unsigned int threshold1, threshold2;
3622
3623 s->dsp.fdct (block);
3624
3625 if(s->dct_error_sum)
3626 s->denoise_dct(s, block);
3627
3628 if (s->mb_intra) {
3629 if (!s->h263_aic) {
3630 if (n < 4)
3631 q = s->y_dc_scale;
3632 else
3633 q = s->c_dc_scale;
3634 q = q << 3;
3635 } else
3636 /* For AIC we skip quant/dequant of INTRADC */
3637 q = 1 << 3;
3638
3639 /* note: block[0] is assumed to be positive */
3640 block[0] = (block[0] + (q >> 1)) / q;
3641 start_i = 1;
3642 last_non_zero = 0;
3643 qmat = s->q_intra_matrix[qscale];
3644 bias= s->intra_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT);
3645 } else {
3646 start_i = 0;
3647 last_non_zero = -1;
3648 qmat = s->q_inter_matrix[qscale];
3649 bias= s->inter_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT);
3650 }
3651 threshold1= (1<<QMAT_SHIFT) - bias - 1;
3652 threshold2= (threshold1<<1);
3653 for(i=63;i>=start_i;i--) {
3654 j = scantable[i];
3655 level = block[j] * qmat[j];
3656
3657 if(((unsigned)(level+threshold1))>threshold2){
3658 last_non_zero = i;
3659 break;
3660 }else{
3661 block[j]=0;
3662 }
3663 }
3664 for(i=start_i; i<=last_non_zero; i++) {
3665 j = scantable[i];
3666 level = block[j] * qmat[j];
3667
3668// if( bias+level >= (1<<QMAT_SHIFT)
3669// || bias-level >= (1<<QMAT_SHIFT)){
3670 if(((unsigned)(level+threshold1))>threshold2){
3671 if(level>0){
3672 level= (bias + level)>>QMAT_SHIFT;
3673 block[j]= level;
3674 }else{
3675 level= (bias - level)>>QMAT_SHIFT;
3676 block[j]= -level;
3677 }
3678 max |=level;
3679 }else{
3680 block[j]=0;
3681 }
3682 }
3683 *overflow= s->max_qcoeff < max; //overflow might have happened
3684
3685 /* we need this permutation so that we correct the IDCT, we only permute the !=0 elements */
3686 if (s->dsp.idct_permutation_type != FF_NO_IDCT_PERM)
3687 ff_block_permute(block, s->dsp.idct_permutation, scantable, last_non_zero);
3688
3689 return last_non_zero;
3690}
3691
3692AVCodec h263_encoder = {
3693 "h263",
3694 CODEC_TYPE_VIDEO,
3695 CODEC_ID_H263,
3696 sizeof(MpegEncContext),
3697 MPV_encode_init,
3698 MPV_encode_picture,
3699 MPV_encode_end,
3700 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3701};
3702
3703AVCodec h263p_encoder = {
3704 "h263p",
3705 CODEC_TYPE_VIDEO,
3706 CODEC_ID_H263P,
3707 sizeof(MpegEncContext),
3708 MPV_encode_init,
3709 MPV_encode_picture,
3710 MPV_encode_end,
3711 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3712};
3713
3714AVCodec flv_encoder = {
3715 "flv",
3716 CODEC_TYPE_VIDEO,
3717 CODEC_ID_FLV1,
3718 sizeof(MpegEncContext),
3719 MPV_encode_init,
3720 MPV_encode_picture,
3721 MPV_encode_end,
3722 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3723};
3724
3725AVCodec rv10_encoder = {
3726 "rv10",
3727 CODEC_TYPE_VIDEO,
3728 CODEC_ID_RV10,
3729 sizeof(MpegEncContext),
3730 MPV_encode_init,
3731 MPV_encode_picture,
3732 MPV_encode_end,
3733 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3734};
3735
3736AVCodec rv20_encoder = {
3737 "rv20",
3738 CODEC_TYPE_VIDEO,
3739 CODEC_ID_RV20,
3740 sizeof(MpegEncContext),
3741 MPV_encode_init,
3742 MPV_encode_picture,
3743 MPV_encode_end,
3744 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3745};
3746
3747AVCodec mpeg4_encoder = {
3748 "mpeg4",
3749 CODEC_TYPE_VIDEO,
3750 CODEC_ID_MPEG4,
3751 sizeof(MpegEncContext),
3752 MPV_encode_init,
3753 MPV_encode_picture,
3754 MPV_encode_end,
3755 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3756 .capabilities= CODEC_CAP_DELAY,
3757};
3758
3759AVCodec msmpeg4v1_encoder = {
3760 "msmpeg4v1",
3761 CODEC_TYPE_VIDEO,
3762 CODEC_ID_MSMPEG4V1,
3763 sizeof(MpegEncContext),
3764 MPV_encode_init,
3765 MPV_encode_picture,
3766 MPV_encode_end,
3767 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3768};
3769
3770AVCodec msmpeg4v2_encoder = {
3771 "msmpeg4v2",
3772 CODEC_TYPE_VIDEO,
3773 CODEC_ID_MSMPEG4V2,
3774 sizeof(MpegEncContext),
3775 MPV_encode_init,
3776 MPV_encode_picture,
3777 MPV_encode_end,
3778 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3779};
3780
3781AVCodec msmpeg4v3_encoder = {
3782 "msmpeg4",
3783 CODEC_TYPE_VIDEO,
3784 CODEC_ID_MSMPEG4V3,
3785 sizeof(MpegEncContext),
3786 MPV_encode_init,
3787 MPV_encode_picture,
3788 MPV_encode_end,
3789 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3790};
3791
3792AVCodec wmv1_encoder = {
3793 "wmv1",
3794 CODEC_TYPE_VIDEO,
3795 CODEC_ID_WMV1,
3796 sizeof(MpegEncContext),
3797 MPV_encode_init,
3798 MPV_encode_picture,
3799 MPV_encode_end,
3800 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3801};