Prepare to remove more duplicated code
[libav.git] / libavcodec / mpegvideo_enc.c
CommitLineData
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1/*
2 * The simplest mpeg encoder (well, it was the simplest!)
3 * Copyright (c) 2000,2001 Fabrice Bellard.
4 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
5 *
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6 * 4MV & hq & B-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at>
7 *
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8 * This file is part of FFmpeg.
9 *
10 * FFmpeg is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
14 *
15 * FFmpeg is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with FFmpeg; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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23 */
24
25/**
26 * @file mpegvideo_enc.c
27 * The simplest mpeg encoder (well, it was the simplest!).
28 */
29
30#include "avcodec.h"
31#include "dsputil.h"
32#include "mpegvideo.h"
33#include "mpegvideo_common.h"
34#include "mjpegenc.h"
35#include "msmpeg4.h"
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
53727262
AJ
663 if(!s->dct_quantize)
664 s->dct_quantize = dct_quantize_c;
665 if(!s->denoise_dct)
666 s->denoise_dct = denoise_dct_c;
667 s->fast_dct_quantize = s->dct_quantize;
668 if(s->flags & CODEC_FLAG_TRELLIS_QUANT)
669 s->dct_quantize = dct_quantize_trellis_c;
670
3ada94ba
BF
671 if(s->modified_quant)
672 s->chroma_qscale_table= ff_h263_chroma_qscale_table;
673 s->progressive_frame=
674 s->progressive_sequence= !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN));
675 s->quant_precision=5;
676
677 ff_set_cmp(&s->dsp, s->dsp.ildct_cmp, s->avctx->ildct_cmp);
678 ff_set_cmp(&s->dsp, s->dsp.frame_skip_cmp, s->avctx->frame_skip_cmp);
679
680 if (ENABLE_H261_ENCODER && s->out_format == FMT_H261)
681 ff_h261_encode_init(s);
682 if (s->out_format == FMT_H263)
683 h263_encode_init(s);
684 if (ENABLE_MSMPEG4_ENCODER && s->msmpeg4_version)
685 ff_msmpeg4_encode_init(s);
a6bc5731
AJ
686 if ((ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER)
687 && s->out_format == FMT_MPEG1)
3ada94ba
BF
688 ff_mpeg1_encode_init(s);
689
690 /* init q matrix */
691 for(i=0;i<64;i++) {
692 int j= s->dsp.idct_permutation[i];
693 if(s->codec_id==CODEC_ID_MPEG4 && s->mpeg_quant){
694 s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i];
695 s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i];
696 }else if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
697 s->intra_matrix[j] =
698 s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
699 }else
700 { /* mpeg1/2 */
701 s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i];
702 s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
703 }
704 if(s->avctx->intra_matrix)
705 s->intra_matrix[j] = s->avctx->intra_matrix[i];
706 if(s->avctx->inter_matrix)
707 s->inter_matrix[j] = s->avctx->inter_matrix[i];
708 }
709
710 /* precompute matrix */
711 /* for mjpeg, we do include qscale in the matrix */
712 if (s->out_format != FMT_MJPEG) {
713 convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
714 s->intra_matrix, s->intra_quant_bias, avctx->qmin, 31, 1);
715 convert_matrix(&s->dsp, s->q_inter_matrix, s->q_inter_matrix16,
716 s->inter_matrix, s->inter_quant_bias, avctx->qmin, 31, 0);
717 }
718
719 if(ff_rate_control_init(s) < 0)
720 return -1;
721
722 return 0;
723}
724
725int MPV_encode_end(AVCodecContext *avctx)
726{
727 MpegEncContext *s = avctx->priv_data;
728
729 ff_rate_control_uninit(s);
730
731 MPV_common_end(s);
732 if ((ENABLE_MJPEG_ENCODER || ENABLE_LJPEG_ENCODER) && s->out_format == FMT_MJPEG)
733 ff_mjpeg_encode_close(s);
734
735 av_freep(&avctx->extradata);
736
737 return 0;
738}
739
740static int get_sae(uint8_t *src, int ref, int stride){
741 int x,y;
742 int acc=0;
743
744 for(y=0; y<16; y++){
745 for(x=0; x<16; x++){
746 acc+= FFABS(src[x+y*stride] - ref);
747 }
748 }
749
750 return acc;
751}
752
753static int get_intra_count(MpegEncContext *s, uint8_t *src, uint8_t *ref, int stride){
754 int x, y, w, h;
755 int acc=0;
756
757 w= s->width &~15;
758 h= s->height&~15;
759
760 for(y=0; y<h; y+=16){
761 for(x=0; x<w; x+=16){
762 int offset= x + y*stride;
763 int sad = s->dsp.sad[0](NULL, src + offset, ref + offset, stride, 16);
764 int mean= (s->dsp.pix_sum(src + offset, stride) + 128)>>8;
765 int sae = get_sae(src + offset, mean, stride);
766
767 acc+= sae + 500 < sad;
768 }
769 }
770 return acc;
771}
772
773
774static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg){
775 AVFrame *pic=NULL;
776 int64_t pts;
777 int i;
778 const int encoding_delay= s->max_b_frames;
779 int direct=1;
780
781 if(pic_arg){
782 pts= pic_arg->pts;
783 pic_arg->display_picture_number= s->input_picture_number++;
784
785 if(pts != AV_NOPTS_VALUE){
786 if(s->user_specified_pts != AV_NOPTS_VALUE){
787 int64_t time= pts;
788 int64_t last= s->user_specified_pts;
789
790 if(time <= last){
791 av_log(s->avctx, AV_LOG_ERROR, "Error, Invalid timestamp=%"PRId64", last=%"PRId64"\n", pts, s->user_specified_pts);
792 return -1;
793 }
794 }
795 s->user_specified_pts= pts;
796 }else{
797 if(s->user_specified_pts != AV_NOPTS_VALUE){
798 s->user_specified_pts=
799 pts= s->user_specified_pts + 1;
800 av_log(s->avctx, AV_LOG_INFO, "Warning: AVFrame.pts=? trying to guess (%"PRId64")\n", pts);
801 }else{
802 pts= pic_arg->display_picture_number;
803 }
804 }
805 }
806
807 if(pic_arg){
808 if(encoding_delay && !(s->flags&CODEC_FLAG_INPUT_PRESERVED)) direct=0;
809 if(pic_arg->linesize[0] != s->linesize) direct=0;
810 if(pic_arg->linesize[1] != s->uvlinesize) direct=0;
811 if(pic_arg->linesize[2] != s->uvlinesize) direct=0;
812
813// av_log(AV_LOG_DEBUG, "%d %d %d %d\n",pic_arg->linesize[0], pic_arg->linesize[1], s->linesize, s->uvlinesize);
814
815 if(direct){
816 i= ff_find_unused_picture(s, 1);
817
818 pic= (AVFrame*)&s->picture[i];
819 pic->reference= 3;
820
821 for(i=0; i<4; i++){
822 pic->data[i]= pic_arg->data[i];
823 pic->linesize[i]= pic_arg->linesize[i];
824 }
825 alloc_picture(s, (Picture*)pic, 1);
826 }else{
827 i= ff_find_unused_picture(s, 0);
828
829 pic= (AVFrame*)&s->picture[i];
830 pic->reference= 3;
831
832 alloc_picture(s, (Picture*)pic, 0);
833
834 if( pic->data[0] + INPLACE_OFFSET == pic_arg->data[0]
835 && pic->data[1] + INPLACE_OFFSET == pic_arg->data[1]
836 && pic->data[2] + INPLACE_OFFSET == pic_arg->data[2]){
837 // empty
838 }else{
839 int h_chroma_shift, v_chroma_shift;
840 avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift);
841
842 for(i=0; i<3; i++){
843 int src_stride= pic_arg->linesize[i];
844 int dst_stride= i ? s->uvlinesize : s->linesize;
845 int h_shift= i ? h_chroma_shift : 0;
846 int v_shift= i ? v_chroma_shift : 0;
847 int w= s->width >>h_shift;
848 int h= s->height>>v_shift;
849 uint8_t *src= pic_arg->data[i];
850 uint8_t *dst= pic->data[i];
851
852 if(!s->avctx->rc_buffer_size)
853 dst +=INPLACE_OFFSET;
854
855 if(src_stride==dst_stride)
856 memcpy(dst, src, src_stride*h);
857 else{
858 while(h--){
859 memcpy(dst, src, w);
860 dst += dst_stride;
861 src += src_stride;
862 }
863 }
864 }
865 }
866 }
867 copy_picture_attributes(s, pic, pic_arg);
868 pic->pts= pts; //we set this here to avoid modifiying pic_arg
869 }
870
871 /* shift buffer entries */
872 for(i=1; i<MAX_PICTURE_COUNT /*s->encoding_delay+1*/; i++)
873 s->input_picture[i-1]= s->input_picture[i];
874
875 s->input_picture[encoding_delay]= (Picture*)pic;
876
877 return 0;
878}
879
880static int skip_check(MpegEncContext *s, Picture *p, Picture *ref){
881 int x, y, plane;
882 int score=0;
883 int64_t score64=0;
884
885 for(plane=0; plane<3; plane++){
886 const int stride= p->linesize[plane];
887 const int bw= plane ? 1 : 2;
888 for(y=0; y<s->mb_height*bw; y++){
889 for(x=0; x<s->mb_width*bw; x++){
890 int off= p->type == FF_BUFFER_TYPE_SHARED ? 0: 16;
891 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);
892
893 switch(s->avctx->frame_skip_exp){
894 case 0: score= FFMAX(score, v); break;
895 case 1: score+= FFABS(v);break;
896 case 2: score+= v*v;break;
897 case 3: score64+= FFABS(v*v*(int64_t)v);break;
898 case 4: score64+= v*v*(int64_t)(v*v);break;
899 }
900 }
901 }
902 }
903
904 if(score) score64= score;
905
906 if(score64 < s->avctx->frame_skip_threshold)
907 return 1;
908 if(score64 < ((s->avctx->frame_skip_factor * (int64_t)s->lambda)>>8))
909 return 1;
910 return 0;
911}
912
913static int estimate_best_b_count(MpegEncContext *s){
914 AVCodec *codec= avcodec_find_encoder(s->avctx->codec_id);
915 AVCodecContext *c= avcodec_alloc_context();
916 AVFrame input[FF_MAX_B_FRAMES+2];
917 const int scale= s->avctx->brd_scale;
918 int i, j, out_size, p_lambda, b_lambda, lambda2;
919 int outbuf_size= s->width * s->height; //FIXME
920 uint8_t *outbuf= av_malloc(outbuf_size);
921 int64_t best_rd= INT64_MAX;
922 int best_b_count= -1;
923
924 assert(scale>=0 && scale <=3);
925
926// emms_c();
927 p_lambda= s->last_lambda_for[P_TYPE]; //s->next_picture_ptr->quality;
928 b_lambda= s->last_lambda_for[B_TYPE]; //p_lambda *FFABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset;
929 if(!b_lambda) b_lambda= p_lambda; //FIXME we should do this somewhere else
930 lambda2= (b_lambda*b_lambda + (1<<FF_LAMBDA_SHIFT)/2 ) >> FF_LAMBDA_SHIFT;
931
932 c->width = s->width >> scale;
933 c->height= s->height>> scale;
934 c->flags= CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR | CODEC_FLAG_INPUT_PRESERVED /*| CODEC_FLAG_EMU_EDGE*/;
935 c->flags|= s->avctx->flags & CODEC_FLAG_QPEL;
936 c->mb_decision= s->avctx->mb_decision;
937 c->me_cmp= s->avctx->me_cmp;
938 c->mb_cmp= s->avctx->mb_cmp;
939 c->me_sub_cmp= s->avctx->me_sub_cmp;
940 c->pix_fmt = PIX_FMT_YUV420P;
941 c->time_base= s->avctx->time_base;
942 c->max_b_frames= s->max_b_frames;
943
944 if (avcodec_open(c, codec) < 0)
945 return -1;
946
947 for(i=0; i<s->max_b_frames+2; i++){
948 int ysize= c->width*c->height;
949 int csize= (c->width/2)*(c->height/2);
950 Picture pre_input, *pre_input_ptr= i ? s->input_picture[i-1] : s->next_picture_ptr;
951
952 avcodec_get_frame_defaults(&input[i]);
953 input[i].data[0]= av_malloc(ysize + 2*csize);
954 input[i].data[1]= input[i].data[0] + ysize;
955 input[i].data[2]= input[i].data[1] + csize;
956 input[i].linesize[0]= c->width;
957 input[i].linesize[1]=
958 input[i].linesize[2]= c->width/2;
959
960 if(pre_input_ptr && (!i || s->input_picture[i-1])) {
961 pre_input= *pre_input_ptr;
962
963 if(pre_input.type != FF_BUFFER_TYPE_SHARED && i) {
964 pre_input.data[0]+=INPLACE_OFFSET;
965 pre_input.data[1]+=INPLACE_OFFSET;
966 pre_input.data[2]+=INPLACE_OFFSET;
967 }
968
969 s->dsp.shrink[scale](input[i].data[0], input[i].linesize[0], pre_input.data[0], pre_input.linesize[0], c->width, c->height);
970 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);
971 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);
972 }
973 }
974
975 for(j=0; j<s->max_b_frames+1; j++){
976 int64_t rd=0;
977
978 if(!s->input_picture[j])
979 break;
980
981 c->error[0]= c->error[1]= c->error[2]= 0;
982
983 input[0].pict_type= I_TYPE;
984 input[0].quality= 1 * FF_QP2LAMBDA;
985 out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[0]);
986// rd += (out_size * lambda2) >> FF_LAMBDA_SHIFT;
987
988 for(i=0; i<s->max_b_frames+1; i++){
989 int is_p= i % (j+1) == j || i==s->max_b_frames;
990
991 input[i+1].pict_type= is_p ? P_TYPE : B_TYPE;
992 input[i+1].quality= is_p ? p_lambda : b_lambda;
993 out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[i+1]);
994 rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
995 }
996
997 /* get the delayed frames */
998 while(out_size){
999 out_size = avcodec_encode_video(c, outbuf, outbuf_size, NULL);
1000 rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
1001 }
1002
1003 rd += c->error[0] + c->error[1] + c->error[2];
1004
1005 if(rd < best_rd){
1006 best_rd= rd;
1007 best_b_count= j;
1008 }
1009 }
1010
1011 av_freep(&outbuf);
1012 avcodec_close(c);
1013 av_freep(&c);
1014
1015 for(i=0; i<s->max_b_frames+2; i++){
1016 av_freep(&input[i].data[0]);
1017 }
1018
1019 return best_b_count;
1020}
1021
1022static void select_input_picture(MpegEncContext *s){
1023 int i;
1024
1025 for(i=1; i<MAX_PICTURE_COUNT; i++)
1026 s->reordered_input_picture[i-1]= s->reordered_input_picture[i];
1027 s->reordered_input_picture[MAX_PICTURE_COUNT-1]= NULL;
1028
1029 /* set next picture type & ordering */
1030 if(s->reordered_input_picture[0]==NULL && s->input_picture[0]){
1031 if(/*s->picture_in_gop_number >= s->gop_size ||*/ s->next_picture_ptr==NULL || s->intra_only){
1032 s->reordered_input_picture[0]= s->input_picture[0];
1033 s->reordered_input_picture[0]->pict_type= I_TYPE;
1034 s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
1035 }else{
1036 int b_frames;
1037
1038 if(s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor){
1039 if(s->picture_in_gop_number < s->gop_size && skip_check(s, s->input_picture[0], s->next_picture_ptr)){
1040 //FIXME check that te gop check above is +-1 correct
1041//av_log(NULL, AV_LOG_DEBUG, "skip %p %"PRId64"\n", s->input_picture[0]->data[0], s->input_picture[0]->pts);
1042
1043 if(s->input_picture[0]->type == FF_BUFFER_TYPE_SHARED){
1044 for(i=0; i<4; i++)
1045 s->input_picture[0]->data[i]= NULL;
1046 s->input_picture[0]->type= 0;
1047 }else{
1048 assert( s->input_picture[0]->type==FF_BUFFER_TYPE_USER
1049 || s->input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
1050
1051 s->avctx->release_buffer(s->avctx, (AVFrame*)s->input_picture[0]);
1052 }
1053
1054 emms_c();
1055 ff_vbv_update(s, 0);
1056
1057 goto no_output_pic;
1058 }
1059 }
1060
1061 if(s->flags&CODEC_FLAG_PASS2){
1062 for(i=0; i<s->max_b_frames+1; i++){
1063 int pict_num= s->input_picture[0]->display_picture_number + i;
1064
1065 if(pict_num >= s->rc_context.num_entries)
1066 break;
1067 if(!s->input_picture[i]){
1068 s->rc_context.entry[pict_num-1].new_pict_type = P_TYPE;
1069 break;
1070 }
1071
1072 s->input_picture[i]->pict_type=
1073 s->rc_context.entry[pict_num].new_pict_type;
1074 }
1075 }
1076
1077 if(s->avctx->b_frame_strategy==0){
1078 b_frames= s->max_b_frames;
1079 while(b_frames && !s->input_picture[b_frames]) b_frames--;
1080 }else if(s->avctx->b_frame_strategy==1){
1081 for(i=1; i<s->max_b_frames+1; i++){
1082 if(s->input_picture[i] && s->input_picture[i]->b_frame_score==0){
1083 s->input_picture[i]->b_frame_score=
1084 get_intra_count(s, s->input_picture[i ]->data[0],
1085 s->input_picture[i-1]->data[0], s->linesize) + 1;
1086 }
1087 }
1088 for(i=0; i<s->max_b_frames+1; i++){
1089 if(s->input_picture[i]==NULL || s->input_picture[i]->b_frame_score - 1 > s->mb_num/s->avctx->b_sensitivity) break;
1090 }
1091
1092 b_frames= FFMAX(0, i-1);
1093
1094 /* reset scores */
1095 for(i=0; i<b_frames+1; i++){
1096 s->input_picture[i]->b_frame_score=0;
1097 }
1098 }else if(s->avctx->b_frame_strategy==2){
1099 b_frames= estimate_best_b_count(s);
1100 }else{
1101 av_log(s->avctx, AV_LOG_ERROR, "illegal b frame strategy\n");
1102 b_frames=0;
1103 }
1104
1105 emms_c();
1106//static int b_count=0;
1107//b_count+= b_frames;
1108//av_log(s->avctx, AV_LOG_DEBUG, "b_frames: %d\n", b_count);
1109
1110 for(i= b_frames - 1; i>=0; i--){
1111 int type= s->input_picture[i]->pict_type;
1112 if(type && type != B_TYPE)
1113 b_frames= i;
1114 }
1115 if(s->input_picture[b_frames]->pict_type == B_TYPE && b_frames == s->max_b_frames){
1116 av_log(s->avctx, AV_LOG_ERROR, "warning, too many b frames in a row\n");
1117 }
1118
1119 if(s->picture_in_gop_number + b_frames >= s->gop_size){
1120 if((s->flags2 & CODEC_FLAG2_STRICT_GOP) && s->gop_size > s->picture_in_gop_number){
1121 b_frames= s->gop_size - s->picture_in_gop_number - 1;
1122 }else{
1123 if(s->flags & CODEC_FLAG_CLOSED_GOP)
1124 b_frames=0;
1125 s->input_picture[b_frames]->pict_type= I_TYPE;
1126 }
1127 }
1128
1129 if( (s->flags & CODEC_FLAG_CLOSED_GOP)
1130 && b_frames
1131 && s->input_picture[b_frames]->pict_type== I_TYPE)
1132 b_frames--;
1133
1134 s->reordered_input_picture[0]= s->input_picture[b_frames];
1135 if(s->reordered_input_picture[0]->pict_type != I_TYPE)
1136 s->reordered_input_picture[0]->pict_type= P_TYPE;
1137 s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
1138 for(i=0; i<b_frames; i++){
1139 s->reordered_input_picture[i+1]= s->input_picture[i];
1140 s->reordered_input_picture[i+1]->pict_type= B_TYPE;
1141 s->reordered_input_picture[i+1]->coded_picture_number= s->coded_picture_number++;
1142 }
1143 }
1144 }
1145no_output_pic:
1146 if(s->reordered_input_picture[0]){
1147 s->reordered_input_picture[0]->reference= s->reordered_input_picture[0]->pict_type!=B_TYPE ? 3 : 0;
1148
1149 copy_picture(&s->new_picture, s->reordered_input_picture[0]);
1150
1151 if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_SHARED || s->avctx->rc_buffer_size){
1152 // input is a shared pix, so we can't modifiy it -> alloc a new one & ensure that the shared one is reuseable
1153
1154 int i= ff_find_unused_picture(s, 0);
1155 Picture *pic= &s->picture[i];
1156
1157 pic->reference = s->reordered_input_picture[0]->reference;
1158 alloc_picture(s, pic, 0);
1159
1160 /* mark us unused / free shared pic */
1161 if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_INTERNAL)
1162 s->avctx->release_buffer(s->avctx, (AVFrame*)s->reordered_input_picture[0]);
1163 for(i=0; i<4; i++)
1164 s->reordered_input_picture[0]->data[i]= NULL;
1165 s->reordered_input_picture[0]->type= 0;
1166
1167 copy_picture_attributes(s, (AVFrame*)pic, (AVFrame*)s->reordered_input_picture[0]);
1168
1169 s->current_picture_ptr= pic;
1170 }else{
1171 // input is not a shared pix -> reuse buffer for current_pix
1172
1173 assert( s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_USER
1174 || s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
1175
1176 s->current_picture_ptr= s->reordered_input_picture[0];
1177 for(i=0; i<4; i++){
1178 s->new_picture.data[i]+= INPLACE_OFFSET;
1179 }
1180 }
1181 copy_picture(&s->current_picture, s->current_picture_ptr);
1182
1183 s->picture_number= s->new_picture.display_picture_number;
1184//printf("dpn:%d\n", s->picture_number);
1185 }else{
1186 memset(&s->new_picture, 0, sizeof(Picture));
1187 }
1188}
1189
1190int MPV_encode_picture(AVCodecContext *avctx,
1191 unsigned char *buf, int buf_size, void *data)
1192{
1193 MpegEncContext *s = avctx->priv_data;
1194 AVFrame *pic_arg = data;
1195 int i, stuffing_count;
1196
1197 for(i=0; i<avctx->thread_count; i++){
1198 int start_y= s->thread_context[i]->start_mb_y;
1199 int end_y= s->thread_context[i]-> end_mb_y;
1200 int h= s->mb_height;
1201 uint8_t *start= buf + (size_t)(((int64_t) buf_size)*start_y/h);
1202 uint8_t *end = buf + (size_t)(((int64_t) buf_size)* end_y/h);
1203
1204 init_put_bits(&s->thread_context[i]->pb, start, end - start);
1205 }
1206
1207 s->picture_in_gop_number++;
1208
1209 if(load_input_picture(s, pic_arg) < 0)
1210 return -1;
1211
1212 select_input_picture(s);
1213
1214 /* output? */
1215 if(s->new_picture.data[0]){
1216 s->pict_type= s->new_picture.pict_type;
1217//emms_c();
1218//printf("qs:%f %f %d\n", s->new_picture.quality, s->current_picture.quality, s->qscale);
1219 MPV_frame_start(s, avctx);
1220vbv_retry:
1221 if (encode_picture(s, s->picture_number) < 0)
1222 return -1;
1223
1224 avctx->real_pict_num = s->picture_number;
1225 avctx->header_bits = s->header_bits;
1226 avctx->mv_bits = s->mv_bits;
1227 avctx->misc_bits = s->misc_bits;
1228 avctx->i_tex_bits = s->i_tex_bits;
1229 avctx->p_tex_bits = s->p_tex_bits;
1230 avctx->i_count = s->i_count;
1231 avctx->p_count = s->mb_num - s->i_count - s->skip_count; //FIXME f/b_count in avctx
1232 avctx->skip_count = s->skip_count;
1233
1234 MPV_frame_end(s);
1235
1236 if (ENABLE_MJPEG_ENCODER && s->out_format == FMT_MJPEG)
1237 ff_mjpeg_encode_picture_trailer(s);
1238
1239 if(avctx->rc_buffer_size){
1240 RateControlContext *rcc= &s->rc_context;
1241 int max_size= rcc->buffer_index/3;
1242
1243 if(put_bits_count(&s->pb) > max_size && s->lambda < s->avctx->lmax){
1244 s->next_lambda= FFMAX(s->lambda+1, s->lambda*(s->qscale+1) / s->qscale);
1245 if(s->adaptive_quant){
1246 int i;
1247 for(i=0; i<s->mb_height*s->mb_stride; i++)
1248 s->lambda_table[i]= FFMAX(s->lambda_table[i]+1, s->lambda_table[i]*(s->qscale+1) / s->qscale);
1249 }
1250 s->mb_skipped = 0; //done in MPV_frame_start()
1251 if(s->pict_type==P_TYPE){ //done in encode_picture() so we must undo it
1252 if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
1253 s->no_rounding ^= 1;
1254 }
1255 if(s->pict_type!=B_TYPE){
1256 s->time_base= s->last_time_base;
1257 s->last_non_b_time= s->time - s->pp_time;
1258 }
1259// av_log(NULL, AV_LOG_ERROR, "R:%d ", s->next_lambda);
1260 for(i=0; i<avctx->thread_count; i++){
1261 PutBitContext *pb= &s->thread_context[i]->pb;
1262 init_put_bits(pb, pb->buf, pb->buf_end - pb->buf);
1263 }
1264 goto vbv_retry;
1265 }
1266
1267 assert(s->avctx->rc_max_rate);
1268 }
1269
1270 if(s->flags&CODEC_FLAG_PASS1)
1271 ff_write_pass1_stats(s);
1272
1273 for(i=0; i<4; i++){
1274 s->current_picture_ptr->error[i]= s->current_picture.error[i];
1275 avctx->error[i] += s->current_picture_ptr->error[i];
1276 }
1277
1278 if(s->flags&CODEC_FLAG_PASS1)
1279 assert(avctx->header_bits + avctx->mv_bits + avctx->misc_bits + avctx->i_tex_bits + avctx->p_tex_bits == put_bits_count(&s->pb));
1280 flush_put_bits(&s->pb);
1281 s->frame_bits = put_bits_count(&s->pb);
1282
1283 stuffing_count= ff_vbv_update(s, s->frame_bits);
1284 if(stuffing_count){
1285 if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < stuffing_count + 50){
1286 av_log(s->avctx, AV_LOG_ERROR, "stuffing too large\n");
1287 return -1;
1288 }
1289
1290 switch(s->codec_id){
1291 case CODEC_ID_MPEG1VIDEO:
1292 case CODEC_ID_MPEG2VIDEO:
1293 while(stuffing_count--){
1294 put_bits(&s->pb, 8, 0);
1295 }
1296 break;
1297 case CODEC_ID_MPEG4:
1298 put_bits(&s->pb, 16, 0);
1299 put_bits(&s->pb, 16, 0x1C3);
1300 stuffing_count -= 4;
1301 while(stuffing_count--){
1302 put_bits(&s->pb, 8, 0xFF);
1303 }
1304 break;
1305 default:
1306 av_log(s->avctx, AV_LOG_ERROR, "vbv buffer overflow\n");
1307 }
1308 flush_put_bits(&s->pb);
1309 s->frame_bits = put_bits_count(&s->pb);
1310 }
1311
1312 /* update mpeg1/2 vbv_delay for CBR */
1313 if(s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate && s->out_format == FMT_MPEG1
1314 && 90000LL * (avctx->rc_buffer_size-1) <= s->avctx->rc_max_rate*0xFFFFLL){
1315 int vbv_delay;
1316
1317 assert(s->repeat_first_field==0);
1318
1319 vbv_delay= lrintf(90000 * s->rc_context.buffer_index / s->avctx->rc_max_rate);
1320 assert(vbv_delay < 0xFFFF);
1321
1322 s->vbv_delay_ptr[0] &= 0xF8;
1323 s->vbv_delay_ptr[0] |= vbv_delay>>13;
1324 s->vbv_delay_ptr[1] = vbv_delay>>5;
1325 s->vbv_delay_ptr[2] &= 0x07;
1326 s->vbv_delay_ptr[2] |= vbv_delay<<3;
1327 }
1328 s->total_bits += s->frame_bits;
1329 avctx->frame_bits = s->frame_bits;
1330 }else{
1331 assert((pbBufPtr(&s->pb) == s->pb.buf));
1332 s->frame_bits=0;
1333 }
1334 assert((s->frame_bits&7)==0);
1335
1336 return s->frame_bits/8;
1337}
1338
1339static inline void dct_single_coeff_elimination(MpegEncContext *s, int n, int threshold)
1340{
1341 static const char tab[64]=
1342 {3,2,2,1,1,1,1,1,
1343 1,1,1,1,1,1,1,1,
1344 1,1,1,1,1,1,1,1,
1345 0,0,0,0,0,0,0,0,
1346 0,0,0,0,0,0,0,0,
1347 0,0,0,0,0,0,0,0,
1348 0,0,0,0,0,0,0,0,
1349 0,0,0,0,0,0,0,0};
1350 int score=0;
1351 int run=0;
1352 int i;
1353 DCTELEM *block= s->block[n];
1354 const int last_index= s->block_last_index[n];
1355 int skip_dc;
1356
1357 if(threshold<0){
1358 skip_dc=0;
1359 threshold= -threshold;
1360 }else
1361 skip_dc=1;
1362
1363 /* are all which we could set to zero are allready zero? */
1364 if(last_index<=skip_dc - 1) return;
1365
1366 for(i=0; i<=last_index; i++){
1367 const int j = s->intra_scantable.permutated[i];
1368 const int level = FFABS(block[j]);
1369 if(level==1){
1370 if(skip_dc && i==0) continue;
1371 score+= tab[run];
1372 run=0;
1373 }else if(level>1){
1374 return;
1375 }else{
1376 run++;
1377 }
1378 }
1379 if(score >= threshold) return;
1380 for(i=skip_dc; i<=last_index; i++){
1381 const int j = s->intra_scantable.permutated[i];
1382 block[j]=0;
1383 }
1384 if(block[0]) s->block_last_index[n]= 0;
1385 else s->block_last_index[n]= -1;
1386}
1387
1388static inline void clip_coeffs(MpegEncContext *s, DCTELEM *block, int last_index)
1389{
1390 int i;
1391 const int maxlevel= s->max_qcoeff;
1392 const int minlevel= s->min_qcoeff;
1393 int overflow=0;
1394
1395 if(s->mb_intra){
1396 i=1; //skip clipping of intra dc
1397 }else
1398 i=0;
1399
1400 for(;i<=last_index; i++){
1401 const int j= s->intra_scantable.permutated[i];
1402 int level = block[j];
1403
1404 if (level>maxlevel){
1405 level=maxlevel;
1406 overflow++;
1407 }else if(level<minlevel){
1408 level=minlevel;
1409 overflow++;
1410 }
1411
1412 block[j]= level;
1413 }
1414
1415 if(overflow && s->avctx->mb_decision == FF_MB_DECISION_SIMPLE)
1416 av_log(s->avctx, AV_LOG_INFO, "warning, clipping %d dct coefficients to %d..%d\n", overflow, minlevel, maxlevel);
1417}
1418
1419static void get_vissual_weight(int16_t *weight, uint8_t *ptr, int stride){
1420 int x, y;
1421//FIXME optimize
1422 for(y=0; y<8; y++){
1423 for(x=0; x<8; x++){
1424 int x2, y2;
1425 int sum=0;
1426 int sqr=0;
1427 int count=0;
1428
1429 for(y2= FFMAX(y-1, 0); y2 < FFMIN(8, y+2); y2++){
1430 for(x2= FFMAX(x-1, 0); x2 < FFMIN(8, x+2); x2++){
1431 int v= ptr[x2 + y2*stride];
1432 sum += v;
1433 sqr += v*v;
1434 count++;
1435 }
1436 }
1437 weight[x + 8*y]= (36*ff_sqrt(count*sqr - sum*sum)) / count;
1438 }
1439 }
1440}
1441
1442static av_always_inline void encode_mb_internal(MpegEncContext *s, int motion_x, int motion_y, int mb_block_height, int mb_block_count)
1443{
1444 int16_t weight[8][64];
1445 DCTELEM orig[8][64];
1446 const int mb_x= s->mb_x;
1447 const int mb_y= s->mb_y;
1448 int i;
1449 int skip_dct[8];
1450 int dct_offset = s->linesize*8; //default for progressive frames
1451 uint8_t *ptr_y, *ptr_cb, *ptr_cr;
1452 int wrap_y, wrap_c;
1453
1454 for(i=0; i<mb_block_count; i++) skip_dct[i]=s->skipdct;
1455
1456 if(s->adaptive_quant){
1457 const int last_qp= s->qscale;
1458 const int mb_xy= mb_x + mb_y*s->mb_stride;
1459
1460 s->lambda= s->lambda_table[mb_xy];
1461 update_qscale(s);
1462
1463 if(!(s->flags&CODEC_FLAG_QP_RD)){
1464 s->qscale= s->current_picture_ptr->qscale_table[mb_xy];
1465 s->dquant= s->qscale - last_qp;
1466
1467 if(s->out_format==FMT_H263){
1468 s->dquant= av_clip(s->dquant, -2, 2);
1469
1470 if(s->codec_id==CODEC_ID_MPEG4){
1471 if(!s->mb_intra){
1472 if(s->pict_type == B_TYPE){
1473 if(s->dquant&1 || s->mv_dir&MV_DIRECT)
1474 s->dquant= 0;
1475 }
1476 if(s->mv_type==MV_TYPE_8X8)
1477 s->dquant=0;
1478 }
1479 }
1480 }
1481 }
1482 ff_set_qscale(s, last_qp + s->dquant);
1483 }else if(s->flags&CODEC_FLAG_QP_RD)
1484 ff_set_qscale(s, s->qscale + s->dquant);
1485
1486 wrap_y = s->linesize;
1487 wrap_c = s->uvlinesize;
1488 ptr_y = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16;
1489 ptr_cb = s->new_picture.data[1] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
1490 ptr_cr = s->new_picture.data[2] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
1491
1492 if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){
1493 uint8_t *ebuf= s->edge_emu_buffer + 32;
1494 ff_emulated_edge_mc(ebuf , ptr_y , wrap_y,16,16,mb_x*16,mb_y*16, s->width , s->height);
1495 ptr_y= ebuf;
1496 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);
1497 ptr_cb= ebuf+18*wrap_y;
1498 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);
1499 ptr_cr= ebuf+18*wrap_y+8;
1500 }
1501
1502 if (s->mb_intra) {
1503 if(s->flags&CODEC_FLAG_INTERLACED_DCT){
1504 int progressive_score, interlaced_score;
1505
1506 s->interlaced_dct=0;
1507 progressive_score= s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y, 8)
1508 +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y*8, NULL, wrap_y, 8) - 400;
1509
1510 if(progressive_score > 0){
1511 interlaced_score = s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y*2, 8)
1512 +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y , NULL, wrap_y*2, 8);
1513 if(progressive_score > interlaced_score){
1514 s->interlaced_dct=1;
1515
1516 dct_offset= wrap_y;
1517 wrap_y<<=1;
1518 if (s->chroma_format == CHROMA_422)
1519 wrap_c<<=1;
1520 }
1521 }
1522 }
1523
1524 s->dsp.get_pixels(s->block[0], ptr_y , wrap_y);
1525 s->dsp.get_pixels(s->block[1], ptr_y + 8, wrap_y);
1526 s->dsp.get_pixels(s->block[2], ptr_y + dct_offset , wrap_y);
1527 s->dsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y);
1528
1529 if(s->flags&CODEC_FLAG_GRAY){
1530 skip_dct[4]= 1;
1531 skip_dct[5]= 1;
1532 }else{
1533 s->dsp.get_pixels(s->block[4], ptr_cb, wrap_c);
1534 s->dsp.get_pixels(s->block[5], ptr_cr, wrap_c);
1535 if(!s->chroma_y_shift){ /* 422 */
1536 s->dsp.get_pixels(s->block[6], ptr_cb + (dct_offset>>1), wrap_c);
1537 s->dsp.get_pixels(s->block[7], ptr_cr + (dct_offset>>1), wrap_c);
1538 }
1539 }
1540 }else{
1541 op_pixels_func (*op_pix)[4];
1542 qpel_mc_func (*op_qpix)[16];
1543 uint8_t *dest_y, *dest_cb, *dest_cr;
1544
1545 dest_y = s->dest[0];
1546 dest_cb = s->dest[1];
1547 dest_cr = s->dest[2];
1548
1549 if ((!s->no_rounding) || s->pict_type==B_TYPE){
1550 op_pix = s->dsp.put_pixels_tab;
1551 op_qpix= s->dsp.put_qpel_pixels_tab;
1552 }else{
1553 op_pix = s->dsp.put_no_rnd_pixels_tab;
1554 op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab;
1555 }
1556
1557 if (s->mv_dir & MV_DIR_FORWARD) {
1558 MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);
1559 op_pix = s->dsp.avg_pixels_tab;
1560 op_qpix= s->dsp.avg_qpel_pixels_tab;
1561 }
1562 if (s->mv_dir & MV_DIR_BACKWARD) {
1563 MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix);
1564 }
1565
1566 if(s->flags&CODEC_FLAG_INTERLACED_DCT){
1567 int progressive_score, interlaced_score;
1568
1569 s->interlaced_dct=0;
1570 progressive_score= s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y, 8)
1571 +s->dsp.ildct_cmp[0](s, dest_y + wrap_y*8, ptr_y + wrap_y*8, wrap_y, 8) - 400;
1572
1573 if(s->avctx->ildct_cmp == FF_CMP_VSSE) progressive_score -= 400;
1574
1575 if(progressive_score>0){
1576 interlaced_score = s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y*2, 8)
1577 +s->dsp.ildct_cmp[0](s, dest_y + wrap_y , ptr_y + wrap_y , wrap_y*2, 8);
1578
1579 if(progressive_score > interlaced_score){
1580 s->interlaced_dct=1;
1581
1582 dct_offset= wrap_y;
1583 wrap_y<<=1;
1584 if (s->chroma_format == CHROMA_422)
1585 wrap_c<<=1;
1586 }
1587 }
1588 }
1589
1590 s->dsp.diff_pixels(s->block[0], ptr_y , dest_y , wrap_y);
1591 s->dsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y);
1592 s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset , dest_y + dct_offset , wrap_y);
1593 s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8, dest_y + dct_offset + 8, wrap_y);
1594
1595 if(s->flags&CODEC_FLAG_GRAY){
1596 skip_dct[4]= 1;
1597 skip_dct[5]= 1;
1598 }else{
1599 s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
1600 s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
1601 if(!s->chroma_y_shift){ /* 422 */
1602 s->dsp.diff_pixels(s->block[6], ptr_cb + (dct_offset>>1), dest_cb + (dct_offset>>1), wrap_c);
1603 s->dsp.diff_pixels(s->block[7], ptr_cr + (dct_offset>>1), dest_cr + (dct_offset>>1), wrap_c);
1604 }
1605 }
1606 /* pre quantization */
1607 if(s->current_picture.mc_mb_var[s->mb_stride*mb_y+ mb_x]<2*s->qscale*s->qscale){
1608 //FIXME optimize
1609 if(s->dsp.sad[1](NULL, ptr_y , dest_y , wrap_y, 8) < 20*s->qscale) skip_dct[0]= 1;
1610 if(s->dsp.sad[1](NULL, ptr_y + 8, dest_y + 8, wrap_y, 8) < 20*s->qscale) skip_dct[1]= 1;
1611 if(s->dsp.sad[1](NULL, ptr_y +dct_offset , dest_y +dct_offset , wrap_y, 8) < 20*s->qscale) skip_dct[2]= 1;
1612 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;
1613 if(s->dsp.sad[1](NULL, ptr_cb , dest_cb , wrap_c, 8) < 20*s->qscale) skip_dct[4]= 1;
1614 if(s->dsp.sad[1](NULL, ptr_cr , dest_cr , wrap_c, 8) < 20*s->qscale) skip_dct[5]= 1;
1615 if(!s->chroma_y_shift){ /* 422 */
1616 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;
1617 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;
1618 }
1619 }
1620 }
1621
1622 if(s->avctx->quantizer_noise_shaping){
1623 if(!skip_dct[0]) get_vissual_weight(weight[0], ptr_y , wrap_y);
1624 if(!skip_dct[1]) get_vissual_weight(weight[1], ptr_y + 8, wrap_y);
1625 if(!skip_dct[2]) get_vissual_weight(weight[2], ptr_y + dct_offset , wrap_y);
1626 if(!skip_dct[3]) get_vissual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y);
1627 if(!skip_dct[4]) get_vissual_weight(weight[4], ptr_cb , wrap_c);
1628 if(!skip_dct[5]) get_vissual_weight(weight[5], ptr_cr , wrap_c);
1629 if(!s->chroma_y_shift){ /* 422 */
1630 if(!skip_dct[6]) get_vissual_weight(weight[6], ptr_cb + (dct_offset>>1), wrap_c);
1631 if(!skip_dct[7]) get_vissual_weight(weight[7], ptr_cr + (dct_offset>>1), wrap_c);
1632 }
1633 memcpy(orig[0], s->block[0], sizeof(DCTELEM)*64*mb_block_count);
1634 }
1635
1636 /* DCT & quantize */
1637 assert(s->out_format!=FMT_MJPEG || s->qscale==8);
1638 {
1639 for(i=0;i<mb_block_count;i++) {
1640 if(!skip_dct[i]){
1641 int overflow;
1642 s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow);
1643 // FIXME we could decide to change to quantizer instead of clipping
1644 // JS: I don't think that would be a good idea it could lower quality instead
1645 // of improve it. Just INTRADC clipping deserves changes in quantizer
1646 if (overflow) clip_coeffs(s, s->block[i], s->block_last_index[i]);
1647 }else
1648 s->block_last_index[i]= -1;
1649 }
1650 if(s->avctx->quantizer_noise_shaping){
1651 for(i=0;i<mb_block_count;i++) {
1652 if(!skip_dct[i]){
1653 s->block_last_index[i] = dct_quantize_refine(s, s->block[i], weight[i], orig[i], i, s->qscale);
1654 }
1655 }
1656 }
1657
1658 if(s->luma_elim_threshold && !s->mb_intra)
1659 for(i=0; i<4; i++)
1660 dct_single_coeff_elimination(s, i, s->luma_elim_threshold);
1661 if(s->chroma_elim_threshold && !s->mb_intra)
1662 for(i=4; i<mb_block_count; i++)
1663 dct_single_coeff_elimination(s, i, s->chroma_elim_threshold);
1664
1665 if(s->flags & CODEC_FLAG_CBP_RD){
1666 for(i=0;i<mb_block_count;i++) {
1667 if(s->block_last_index[i] == -1)
1668 s->coded_score[i]= INT_MAX/256;
1669 }
1670 }
1671 }
1672
1673 if((s->flags&CODEC_FLAG_GRAY) && s->mb_intra){
1674 s->block_last_index[4]=
1675 s->block_last_index[5]= 0;
1676 s->block[4][0]=
1677 s->block[5][0]= (1024 + s->c_dc_scale/2)/ s->c_dc_scale;
1678 }
1679
1680 //non c quantize code returns incorrect block_last_index FIXME
1681 if(s->alternate_scan && s->dct_quantize != dct_quantize_c){
1682 for(i=0; i<mb_block_count; i++){
1683 int j;
1684 if(s->block_last_index[i]>0){
1685 for(j=63; j>0; j--){
1686 if(s->block[i][ s->intra_scantable.permutated[j] ]) break;
1687 }
1688 s->block_last_index[i]= j;
1689 }
1690 }
1691 }
1692
1693 /* huffman encode */
1694 switch(s->codec_id){ //FIXME funct ptr could be slightly faster
1695 case CODEC_ID_MPEG1VIDEO:
1696 case CODEC_ID_MPEG2VIDEO:
a6bc5731 1697 if (ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER)
56be950a
AJ
1698 mpeg1_encode_mb(s, s->block, motion_x, motion_y);
1699 break;
3ada94ba
BF
1700 case CODEC_ID_MPEG4:
1701 mpeg4_encode_mb(s, s->block, motion_x, motion_y); break;
1702 case CODEC_ID_MSMPEG4V2:
1703 case CODEC_ID_MSMPEG4V3:
1704 case CODEC_ID_WMV1:
1705 if (ENABLE_MSMPEG4_ENCODER)
1706 msmpeg4_encode_mb(s, s->block, motion_x, motion_y);
1707 break;
1708 case CODEC_ID_WMV2:
1709 if (ENABLE_WMV2_ENCODER)
1710 ff_wmv2_encode_mb(s, s->block, motion_x, motion_y);
1711 break;
1712 case CODEC_ID_H261:
1713 if (ENABLE_H261_ENCODER)
1714 ff_h261_encode_mb(s, s->block, motion_x, motion_y);
1715 break;
1716 case CODEC_ID_H263:
1717 case CODEC_ID_H263P:
1718 case CODEC_ID_FLV1:
1719 case CODEC_ID_RV10:
1720 case CODEC_ID_RV20:
1721 h263_encode_mb(s, s->block, motion_x, motion_y); break;
1722 case CODEC_ID_MJPEG:
1723 if (ENABLE_MJPEG_ENCODER)
1724 ff_mjpeg_encode_mb(s, s->block);
1725 break;
1726 default:
1727 assert(0);
1728 }
1729}
1730
1731static av_always_inline void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
1732{
1733 if (s->chroma_format == CHROMA_420) encode_mb_internal(s, motion_x, motion_y, 8, 6);
1734 else encode_mb_internal(s, motion_x, motion_y, 16, 8);
1735}
1736
3ada94ba
BF
1737static inline void copy_context_before_encode(MpegEncContext *d, MpegEncContext *s, int type){
1738 int i;
1739
1740 memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
1741
1742 /* mpeg1 */
1743 d->mb_skip_run= s->mb_skip_run;
1744 for(i=0; i<3; i++)
1745 d->last_dc[i]= s->last_dc[i];
1746
1747 /* statistics */
1748 d->mv_bits= s->mv_bits;
1749 d->i_tex_bits= s->i_tex_bits;
1750 d->p_tex_bits= s->p_tex_bits;
1751 d->i_count= s->i_count;
1752 d->f_count= s->f_count;
1753 d->b_count= s->b_count;
1754 d->skip_count= s->skip_count;
1755 d->misc_bits= s->misc_bits;
1756 d->last_bits= 0;
1757
1758 d->mb_skipped= 0;
1759 d->qscale= s->qscale;
1760 d->dquant= s->dquant;
1761}
1762
1763static inline void copy_context_after_encode(MpegEncContext *d, MpegEncContext *s, int type){
1764 int i;
1765
1766 memcpy(d->mv, s->mv, 2*4*2*sizeof(int));
1767 memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
1768
1769 /* mpeg1 */
1770 d->mb_skip_run= s->mb_skip_run;
1771 for(i=0; i<3; i++)
1772 d->last_dc[i]= s->last_dc[i];
1773
1774 /* statistics */
1775 d->mv_bits= s->mv_bits;
1776 d->i_tex_bits= s->i_tex_bits;
1777 d->p_tex_bits= s->p_tex_bits;
1778 d->i_count= s->i_count;
1779 d->f_count= s->f_count;
1780 d->b_count= s->b_count;
1781 d->skip_count= s->skip_count;
1782 d->misc_bits= s->misc_bits;
1783
1784 d->mb_intra= s->mb_intra;
1785 d->mb_skipped= s->mb_skipped;
1786 d->mv_type= s->mv_type;
1787 d->mv_dir= s->mv_dir;
1788 d->pb= s->pb;
1789 if(s->data_partitioning){
1790 d->pb2= s->pb2;
1791 d->tex_pb= s->tex_pb;
1792 }
1793 d->block= s->block;
1794 for(i=0; i<8; i++)
1795 d->block_last_index[i]= s->block_last_index[i];
1796 d->interlaced_dct= s->interlaced_dct;
1797 d->qscale= s->qscale;
1798}
1799
1800static inline void encode_mb_hq(MpegEncContext *s, MpegEncContext *backup, MpegEncContext *best, int type,
1801 PutBitContext pb[2], PutBitContext pb2[2], PutBitContext tex_pb[2],
1802 int *dmin, int *next_block, int motion_x, int motion_y)
1803{
1804 int score;
1805 uint8_t *dest_backup[3];
1806
1807 copy_context_before_encode(s, backup, type);
1808
1809 s->block= s->blocks[*next_block];
1810 s->pb= pb[*next_block];
1811 if(s->data_partitioning){
1812 s->pb2 = pb2 [*next_block];
1813 s->tex_pb= tex_pb[*next_block];
1814 }
1815
1816 if(*next_block){
1817 memcpy(dest_backup, s->dest, sizeof(s->dest));
1818 s->dest[0] = s->rd_scratchpad;
1819 s->dest[1] = s->rd_scratchpad + 16*s->linesize;
1820 s->dest[2] = s->rd_scratchpad + 16*s->linesize + 8;
1821 assert(s->linesize >= 32); //FIXME
1822 }
1823
1824 encode_mb(s, motion_x, motion_y);
1825
1826 score= put_bits_count(&s->pb);
1827 if(s->data_partitioning){
1828 score+= put_bits_count(&s->pb2);
1829 score+= put_bits_count(&s->tex_pb);
1830 }
1831
1832 if(s->avctx->mb_decision == FF_MB_DECISION_RD){
1833 MPV_decode_mb(s, s->block);
1834
1835 score *= s->lambda2;
1836 score += sse_mb(s) << FF_LAMBDA_SHIFT;
1837 }
1838
1839 if(*next_block){
1840 memcpy(s->dest, dest_backup, sizeof(s->dest));
1841 }
1842
1843 if(score<*dmin){
1844 *dmin= score;
1845 *next_block^=1;
1846
1847 copy_context_after_encode(best, s, type);
1848 }
1849}
1850
1851static int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, int h, int stride){
1852 uint32_t *sq = ff_squareTbl + 256;
1853 int acc=0;
1854 int x,y;
1855
1856 if(w==16 && h==16)
1857 return s->dsp.sse[0](NULL, src1, src2, stride, 16);
1858 else if(w==8 && h==8)
1859 return s->dsp.sse[1](NULL, src1, src2, stride, 8);
1860
1861 for(y=0; y<h; y++){
1862 for(x=0; x<w; x++){
1863 acc+= sq[src1[x + y*stride] - src2[x + y*stride]];
1864 }
1865 }
1866
1867 assert(acc>=0);
1868
1869 return acc;
1870}
1871
1872static int sse_mb(MpegEncContext *s){
1873 int w= 16;
1874 int h= 16;
1875
1876 if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
1877 if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
1878
1879 if(w==16 && h==16)
1880 if(s->avctx->mb_cmp == FF_CMP_NSSE){
1881 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)
1882 +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)
1883 +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);
1884 }else{
1885 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)
1886 +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)
1887 +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);
1888 }
1889 else
1890 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)
1891 +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)
1892 +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);
1893}
1894
1895static int pre_estimate_motion_thread(AVCodecContext *c, void *arg){
1896 MpegEncContext *s= arg;
1897
1898
1899 s->me.pre_pass=1;
1900 s->me.dia_size= s->avctx->pre_dia_size;
1901 s->first_slice_line=1;
1902 for(s->mb_y= s->end_mb_y-1; s->mb_y >= s->start_mb_y; s->mb_y--) {
1903 for(s->mb_x=s->mb_width-1; s->mb_x >=0 ;s->mb_x--) {
1904 ff_pre_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
1905 }
1906 s->first_slice_line=0;
1907 }
1908
1909 s->me.pre_pass=0;
1910
1911 return 0;
1912}
1913
1914static int estimate_motion_thread(AVCodecContext *c, void *arg){
1915 MpegEncContext *s= arg;
1916
1917 ff_check_alignment();
1918
1919 s->me.dia_size= s->avctx->dia_size;
1920 s->first_slice_line=1;
1921 for(s->mb_y= s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) {
1922 s->mb_x=0; //for block init below
1923 ff_init_block_index(s);
1924 for(s->mb_x=0; s->mb_x < s->mb_width; s->mb_x++) {
1925 s->block_index[0]+=2;
1926 s->block_index[1]+=2;
1927 s->block_index[2]+=2;
1928 s->block_index[3]+=2;
1929
1930 /* compute motion vector & mb_type and store in context */
1931 if(s->pict_type==B_TYPE)
1932 ff_estimate_b_frame_motion(s, s->mb_x, s->mb_y);
1933 else
1934 ff_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
1935 }
1936 s->first_slice_line=0;
1937 }
1938 return 0;
1939}
1940
1941static int mb_var_thread(AVCodecContext *c, void *arg){
1942 MpegEncContext *s= arg;
1943 int mb_x, mb_y;
1944
1945 ff_check_alignment();
1946
1947 for(mb_y=s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
1948 for(mb_x=0; mb_x < s->mb_width; mb_x++) {
1949 int xx = mb_x * 16;
1950 int yy = mb_y * 16;
1951 uint8_t *pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
1952 int varc;
1953 int sum = s->dsp.pix_sum(pix, s->linesize);
1954
1955 varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
1956
1957 s->current_picture.mb_var [s->mb_stride * mb_y + mb_x] = varc;
1958 s->current_picture.mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
1959 s->me.mb_var_sum_temp += varc;
1960 }
1961 }
1962 return 0;
1963}
1964
1965static void write_slice_end(MpegEncContext *s){
1966 if(s->codec_id==CODEC_ID_MPEG4){
1967 if(s->partitioned_frame){
1968 ff_mpeg4_merge_partitions(s);
1969 }
1970
1971 ff_mpeg4_stuffing(&s->pb);
1972 }else if(ENABLE_MJPEG_ENCODER && s->out_format == FMT_MJPEG){
1973 ff_mjpeg_encode_stuffing(&s->pb);
1974 }
1975
1976 align_put_bits(&s->pb);
1977 flush_put_bits(&s->pb);
1978
1979 if((s->flags&CODEC_FLAG_PASS1) && !s->partitioned_frame)
1980 s->misc_bits+= get_bits_diff(s);
1981}
1982
1983static int encode_thread(AVCodecContext *c, void *arg){
1984 MpegEncContext *s= arg;
1985 int mb_x, mb_y, pdif = 0;
1986 int i, j;
1987 MpegEncContext best_s, backup_s;
1988 uint8_t bit_buf[2][MAX_MB_BYTES];
1989 uint8_t bit_buf2[2][MAX_MB_BYTES];
1990 uint8_t bit_buf_tex[2][MAX_MB_BYTES];
1991 PutBitContext pb[2], pb2[2], tex_pb[2];
1992//printf("%d->%d\n", s->resync_mb_y, s->end_mb_y);
1993
1994 ff_check_alignment();
1995
1996 for(i=0; i<2; i++){
1997 init_put_bits(&pb [i], bit_buf [i], MAX_MB_BYTES);
1998 init_put_bits(&pb2 [i], bit_buf2 [i], MAX_MB_BYTES);
1999 init_put_bits(&tex_pb[i], bit_buf_tex[i], MAX_MB_BYTES);
2000 }
2001
2002 s->last_bits= put_bits_count(&s->pb);
2003 s->mv_bits=0;
2004 s->misc_bits=0;
2005 s->i_tex_bits=0;
2006 s->p_tex_bits=0;
2007 s->i_count=0;
2008 s->f_count=0;
2009 s->b_count=0;
2010 s->skip_count=0;
2011
2012 for(i=0; i<3; i++){
2013 /* init last dc values */
2014 /* note: quant matrix value (8) is implied here */
2015 s->last_dc[i] = 128 << s->intra_dc_precision;
2016
2017 s->current_picture.error[i] = 0;
2018 }
2019 s->mb_skip_run = 0;
2020 memset(s->last_mv, 0, sizeof(s->last_mv));
2021
2022 s->last_mv_dir = 0;
2023
2024 switch(s->codec_id){
2025 case CODEC_ID_H263:
2026 case CODEC_ID_H263P:
2027 case CODEC_ID_FLV1:
2028 s->gob_index = ff_h263_get_gob_height(s);
2029 break;
2030 case CODEC_ID_MPEG4:
2031 if(s->partitioned_frame)
2032 ff_mpeg4_init_partitions(s);
2033 break;
2034 }
2035
2036 s->resync_mb_x=0;
2037 s->resync_mb_y=0;
2038 s->first_slice_line = 1;
2039 s->ptr_lastgob = s->pb.buf;
2040 for(mb_y= s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
2041// printf("row %d at %X\n", s->mb_y, (int)s);
2042 s->mb_x=0;
2043 s->mb_y= mb_y;
2044
2045 ff_set_qscale(s, s->qscale);
2046 ff_init_block_index(s);
2047
2048 for(mb_x=0; mb_x < s->mb_width; mb_x++) {
2049 int xy= mb_y*s->mb_stride + mb_x; // removed const, H261 needs to adjust this
2050 int mb_type= s->mb_type[xy];
2051// int d;
2052 int dmin= INT_MAX;
2053 int dir;
2054
2055 if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < MAX_MB_BYTES){
2056 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
2057 return -1;
2058 }
2059 if(s->data_partitioning){
2060 if( s->pb2 .buf_end - s->pb2 .buf - (put_bits_count(&s-> pb2)>>3) < MAX_MB_BYTES
2061 || s->tex_pb.buf_end - s->tex_pb.buf - (put_bits_count(&s->tex_pb )>>3) < MAX_MB_BYTES){
2062 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
2063 return -1;
2064 }
2065 }
2066
2067 s->mb_x = mb_x;
2068 s->mb_y = mb_y; // moved into loop, can get changed by H.261
2069 ff_update_block_index(s);
2070
2071 if(ENABLE_H261_ENCODER && s->codec_id == CODEC_ID_H261){
2072 ff_h261_reorder_mb_index(s);
2073 xy= s->mb_y*s->mb_stride + s->mb_x;
2074 mb_type= s->mb_type[xy];
2075 }
2076
2077 /* write gob / video packet header */
2078 if(s->rtp_mode){
2079 int current_packet_size, is_gob_start;
2080
2081 current_packet_size= ((put_bits_count(&s->pb)+7)>>3) - (s->ptr_lastgob - s->pb.buf);
2082
2083 is_gob_start= s->avctx->rtp_payload_size && current_packet_size >= s->avctx->rtp_payload_size && mb_y + mb_x>0;
2084
2085 if(s->start_mb_y == mb_y && mb_y > 0 && mb_x==0) is_gob_start=1;
2086
2087 switch(s->codec_id){
2088 case CODEC_ID_H263:
2089 case CODEC_ID_H263P:
2090 if(!s->h263_slice_structured)
2091 if(s->mb_x || s->mb_y%s->gob_index) is_gob_start=0;
2092 break;
2093 case CODEC_ID_MPEG2VIDEO:
2094 if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1;
2095 case CODEC_ID_MPEG1VIDEO:
2096 if(s->mb_skip_run) is_gob_start=0;
2097 break;
2098 }
2099
2100 if(is_gob_start){
2101 if(s->start_mb_y != mb_y || mb_x!=0){
2102 write_slice_end(s);
2103
2104 if(s->codec_id==CODEC_ID_MPEG4 && s->partitioned_frame){
2105 ff_mpeg4_init_partitions(s);
2106 }
2107 }
2108
2109 assert((put_bits_count(&s->pb)&7) == 0);
2110 current_packet_size= pbBufPtr(&s->pb) - s->ptr_lastgob;
2111
2112 if(s->avctx->error_rate && s->resync_mb_x + s->resync_mb_y > 0){
2113 int r= put_bits_count(&s->pb)/8 + s->picture_number + 16 + s->mb_x + s->mb_y;
2114 int d= 100 / s->avctx->error_rate;
2115 if(r % d == 0){
2116 current_packet_size=0;
2117#ifndef ALT_BITSTREAM_WRITER
2118 s->pb.buf_ptr= s->ptr_lastgob;
2119#endif
2120 assert(pbBufPtr(&s->pb) == s->ptr_lastgob);
2121 }
2122 }
2123
2124 if (s->avctx->rtp_callback){
2125 int number_mb = (mb_y - s->resync_mb_y)*s->mb_width + mb_x - s->resync_mb_x;
2126 s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, current_packet_size, number_mb);
2127 }
2128
2129 switch(s->codec_id){
2130 case CODEC_ID_MPEG4:
2131 ff_mpeg4_encode_video_packet_header(s);
2132 ff_mpeg4_clean_buffers(s);
2133 break;
2134 case CODEC_ID_MPEG1VIDEO:
2135 case CODEC_ID_MPEG2VIDEO:
a6bc5731 2136 if (ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER) {
56be950a
AJ
2137 ff_mpeg1_encode_slice_header(s);
2138 ff_mpeg1_clean_buffers(s);
a6bc5731 2139 }
3ada94ba
BF
2140 break;
2141 case CODEC_ID_H263:
2142 case CODEC_ID_H263P:
2143 h263_encode_gob_header(s, mb_y);
2144 break;
2145 }
2146
2147 if(s->flags&CODEC_FLAG_PASS1){
2148 int bits= put_bits_count(&s->pb);
2149 s->misc_bits+= bits - s->last_bits;
2150 s->last_bits= bits;
2151 }
2152
2153 s->ptr_lastgob += current_packet_size;
2154 s->first_slice_line=1;
2155 s->resync_mb_x=mb_x;
2156 s->resync_mb_y=mb_y;
2157 }
2158 }
2159
2160 if( (s->resync_mb_x == s->mb_x)
2161 && s->resync_mb_y+1 == s->mb_y){
2162 s->first_slice_line=0;
2163 }
2164
2165 s->mb_skipped=0;
2166 s->dquant=0; //only for QP_RD
2167
2168 if(mb_type & (mb_type-1) || (s->flags & CODEC_FLAG_QP_RD)){ // more than 1 MB type possible or CODEC_FLAG_QP_RD
2169 int next_block=0;
2170 int pb_bits_count, pb2_bits_count, tex_pb_bits_count;
2171
2172 copy_context_before_encode(&backup_s, s, -1);
2173 backup_s.pb= s->pb;
2174 best_s.data_partitioning= s->data_partitioning;
2175 best_s.partitioned_frame= s->partitioned_frame;
2176 if(s->data_partitioning){
2177 backup_s.pb2= s->pb2;
2178 backup_s.tex_pb= s->tex_pb;
2179 }
2180
2181 if(mb_type&CANDIDATE_MB_TYPE_INTER){
2182 s->mv_dir = MV_DIR_FORWARD;
2183 s->mv_type = MV_TYPE_16X16;
2184 s->mb_intra= 0;
2185 s->mv[0][0][0] = s->p_mv_table[xy][0];
2186 s->mv[0][0][1] = s->p_mv_table[xy][1];
2187 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER, pb, pb2, tex_pb,
2188 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2189 }
2190 if(mb_type&CANDIDATE_MB_TYPE_INTER_I){
2191 s->mv_dir = MV_DIR_FORWARD;
2192 s->mv_type = MV_TYPE_FIELD;
2193 s->mb_intra= 0;
2194 for(i=0; i<2; i++){
2195 j= s->field_select[0][i] = s->p_field_select_table[i][xy];
2196 s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
2197 s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
2198 }
2199 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER_I, pb, pb2, tex_pb,
2200 &dmin, &next_block, 0, 0);
2201 }
2202 if(mb_type&CANDIDATE_MB_TYPE_SKIPPED){
2203 s->mv_dir = MV_DIR_FORWARD;
2204 s->mv_type = MV_TYPE_16X16;
2205 s->mb_intra= 0;
2206 s->mv[0][0][0] = 0;
2207 s->mv[0][0][1] = 0;
2208 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_SKIPPED, pb, pb2, tex_pb,
2209 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2210 }
2211 if(mb_type&CANDIDATE_MB_TYPE_INTER4V){
2212 s->mv_dir = MV_DIR_FORWARD;
2213 s->mv_type = MV_TYPE_8X8;
2214 s->mb_intra= 0;
2215 for(i=0; i<4; i++){
2216 s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
2217 s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
2218 }
2219 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER4V, pb, pb2, tex_pb,
2220 &dmin, &next_block, 0, 0);
2221 }
2222 if(mb_type&CANDIDATE_MB_TYPE_FORWARD){
2223 s->mv_dir = MV_DIR_FORWARD;
2224 s->mv_type = MV_TYPE_16X16;
2225 s->mb_intra= 0;
2226 s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
2227 s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
2228 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD, pb, pb2, tex_pb,
2229 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2230 }
2231 if(mb_type&CANDIDATE_MB_TYPE_BACKWARD){
2232 s->mv_dir = MV_DIR_BACKWARD;
2233 s->mv_type = MV_TYPE_16X16;
2234 s->mb_intra= 0;
2235 s->mv[1][0][0] = s->b_back_mv_table[xy][0];
2236 s->mv[1][0][1] = s->b_back_mv_table[xy][1];
2237 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD, pb, pb2, tex_pb,
2238 &dmin, &next_block, s->mv[1][0][0], s->mv[1][0][1]);
2239 }
2240 if(mb_type&CANDIDATE_MB_TYPE_BIDIR){
2241 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2242 s->mv_type = MV_TYPE_16X16;
2243 s->mb_intra= 0;
2244 s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
2245 s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
2246 s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
2247 s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
2248 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR, pb, pb2, tex_pb,
2249 &dmin, &next_block, 0, 0);
2250 }
2251 if(mb_type&CANDIDATE_MB_TYPE_FORWARD_I){
2252 s->mv_dir = MV_DIR_FORWARD;
2253 s->mv_type = MV_TYPE_FIELD;
2254 s->mb_intra= 0;
2255 for(i=0; i<2; i++){
2256 j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
2257 s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
2258 s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
2259 }
2260 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD_I, pb, pb2, tex_pb,
2261 &dmin, &next_block, 0, 0);
2262 }
2263 if(mb_type&CANDIDATE_MB_TYPE_BACKWARD_I){
2264 s->mv_dir = MV_DIR_BACKWARD;
2265 s->mv_type = MV_TYPE_FIELD;
2266 s->mb_intra= 0;
2267 for(i=0; i<2; i++){
2268 j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
2269 s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
2270 s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
2271 }
2272 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD_I, pb, pb2, tex_pb,
2273 &dmin, &next_block, 0, 0);
2274 }
2275 if(mb_type&CANDIDATE_MB_TYPE_BIDIR_I){
2276 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2277 s->mv_type = MV_TYPE_FIELD;
2278 s->mb_intra= 0;
2279 for(dir=0; dir<2; dir++){
2280 for(i=0; i<2; i++){
2281 j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
2282 s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
2283 s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
2284 }
2285 }
2286 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR_I, pb, pb2, tex_pb,
2287 &dmin, &next_block, 0, 0);
2288 }
2289 if(mb_type&CANDIDATE_MB_TYPE_INTRA){
2290 s->mv_dir = 0;
2291 s->mv_type = MV_TYPE_16X16;
2292 s->mb_intra= 1;
2293 s->mv[0][0][0] = 0;
2294 s->mv[0][0][1] = 0;
2295 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTRA, pb, pb2, tex_pb,
2296 &dmin, &next_block, 0, 0);
2297 if(s->h263_pred || s->h263_aic){
2298 if(best_s.mb_intra)
2299 s->mbintra_table[mb_x + mb_y*s->mb_stride]=1;
2300 else
2301 ff_clean_intra_table_entries(s); //old mode?
2302 }
2303 }
2304
2305 if((s->flags & CODEC_FLAG_QP_RD) && dmin < INT_MAX){
2306 if(best_s.mv_type==MV_TYPE_16X16){ //FIXME move 4mv after QPRD
2307 const int last_qp= backup_s.qscale;
2308 int qpi, qp, dc[6];
2309 DCTELEM ac[6][16];
2310 const int mvdir= (best_s.mv_dir&MV_DIR_BACKWARD) ? 1 : 0;
2311 static const int dquant_tab[4]={-1,1,-2,2};
2312
2313 assert(backup_s.dquant == 0);
2314
2315 //FIXME intra
2316 s->mv_dir= best_s.mv_dir;
2317 s->mv_type = MV_TYPE_16X16;
2318 s->mb_intra= best_s.mb_intra;
2319 s->mv[0][0][0] = best_s.mv[0][0][0];
2320 s->mv[0][0][1] = best_s.mv[0][0][1];
2321 s->mv[1][0][0] = best_s.mv[1][0][0];
2322 s->mv[1][0][1] = best_s.mv[1][0][1];
2323
2324 qpi = s->pict_type == B_TYPE ? 2 : 0;
2325 for(; qpi<4; qpi++){
2326 int dquant= dquant_tab[qpi];
2327 qp= last_qp + dquant;
2328 if(qp < s->avctx->qmin || qp > s->avctx->qmax)
2329 continue;
2330 backup_s.dquant= dquant;
2331 if(s->mb_intra && s->dc_val[0]){
2332 for(i=0; i<6; i++){
2333 dc[i]= s->dc_val[0][ s->block_index[i] ];
2334 memcpy(ac[i], s->ac_val[0][s->block_index[i]], sizeof(DCTELEM)*16);
2335 }
2336 }
2337
2338 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
2339 &dmin, &next_block, s->mv[mvdir][0][0], s->mv[mvdir][0][1]);
2340 if(best_s.qscale != qp){
2341 if(s->mb_intra && s->dc_val[0]){
2342 for(i=0; i<6; i++){
2343 s->dc_val[0][ s->block_index[i] ]= dc[i];
2344 memcpy(s->ac_val[0][s->block_index[i]], ac[i], sizeof(DCTELEM)*16);
2345 }
2346 }
2347 }
2348 }
2349 }
2350 }
2351 if(mb_type&CANDIDATE_MB_TYPE_DIRECT){
2352 int mx= s->b_direct_mv_table[xy][0];
2353 int my= s->b_direct_mv_table[xy][1];
2354
2355 backup_s.dquant = 0;
2356 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2357 s->mb_intra= 0;
2358 ff_mpeg4_set_direct_mv(s, mx, my);
2359 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
2360 &dmin, &next_block, mx, my);
2361 }
2362 if(mb_type&CANDIDATE_MB_TYPE_DIRECT0){
2363 backup_s.dquant = 0;
2364 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2365 s->mb_intra= 0;
2366 ff_mpeg4_set_direct_mv(s, 0, 0);
2367 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
2368 &dmin, &next_block, 0, 0);
2369 }
2370 if(!best_s.mb_intra && s->flags2&CODEC_FLAG2_SKIP_RD){
2371 int coded=0;
2372 for(i=0; i<6; i++)
2373 coded |= s->block_last_index[i];
2374 if(coded){
2375 int mx,my;
2376 memcpy(s->mv, best_s.mv, sizeof(s->mv));
2377 if(best_s.mv_dir & MV_DIRECT){
2378 mx=my=0; //FIXME find the one we actually used
2379 ff_mpeg4_set_direct_mv(s, mx, my);
2380 }else if(best_s.mv_dir&MV_DIR_BACKWARD){
2381 mx= s->mv[1][0][0];
2382 my= s->mv[1][0][1];
2383 }else{
2384 mx= s->mv[0][0][0];
2385 my= s->mv[0][0][1];
2386 }
2387
2388 s->mv_dir= best_s.mv_dir;
2389 s->mv_type = best_s.mv_type;
2390 s->mb_intra= 0;
2391/* s->mv[0][0][0] = best_s.mv[0][0][0];
2392 s->mv[0][0][1] = best_s.mv[0][0][1];
2393 s->mv[1][0][0] = best_s.mv[1][0][0];
2394 s->mv[1][0][1] = best_s.mv[1][0][1];*/
2395 backup_s.dquant= 0;
2396 s->skipdct=1;
2397 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
2398 &dmin, &next_block, mx, my);
2399 s->skipdct=0;
2400 }
2401 }
2402
2403 s->current_picture.qscale_table[xy]= best_s.qscale;
2404
2405 copy_context_after_encode(s, &best_s, -1);
2406
2407 pb_bits_count= put_bits_count(&s->pb);
2408 flush_put_bits(&s->pb);
2409 ff_copy_bits(&backup_s.pb, bit_buf[next_block^1], pb_bits_count);
2410 s->pb= backup_s.pb;
2411
2412 if(s->data_partitioning){
2413 pb2_bits_count= put_bits_count(&s->pb2);
2414 flush_put_bits(&s->pb2);
2415 ff_copy_bits(&backup_s.pb2, bit_buf2[next_block^1], pb2_bits_count);
2416 s->pb2= backup_s.pb2;
2417
2418 tex_pb_bits_count= put_bits_count(&s->tex_pb);
2419 flush_put_bits(&s->tex_pb);
2420 ff_copy_bits(&backup_s.tex_pb, bit_buf_tex[next_block^1], tex_pb_bits_count);
2421 s->tex_pb= backup_s.tex_pb;
2422 }
2423 s->last_bits= put_bits_count(&s->pb);
2424
2425 if (s->out_format == FMT_H263 && s->pict_type!=B_TYPE)
2426 ff_h263_update_motion_val(s);
2427
2428 if(next_block==0){ //FIXME 16 vs linesize16
2429 s->dsp.put_pixels_tab[0][0](s->dest[0], s->rd_scratchpad , s->linesize ,16);
2430 s->dsp.put_pixels_tab[1][0](s->dest[1], s->rd_scratchpad + 16*s->linesize , s->uvlinesize, 8);
2431 s->dsp.put_pixels_tab[1][0](s->dest[2], s->rd_scratchpad + 16*s->linesize + 8, s->uvlinesize, 8);
2432 }
2433
2434 if(s->avctx->mb_decision == FF_MB_DECISION_BITS)
2435 MPV_decode_mb(s, s->block);
2436 } else {
2437 int motion_x = 0, motion_y = 0;
2438 s->mv_type=MV_TYPE_16X16;
2439 // only one MB-Type possible
2440
2441 switch(mb_type){
2442 case CANDIDATE_MB_TYPE_INTRA:
2443 s->mv_dir = 0;
2444 s->mb_intra= 1;
2445 motion_x= s->mv[0][0][0] = 0;
2446 motion_y= s->mv[0][0][1] = 0;
2447 break;
2448 case CANDIDATE_MB_TYPE_INTER:
2449 s->mv_dir = MV_DIR_FORWARD;
2450 s->mb_intra= 0;
2451 motion_x= s->mv[0][0][0] = s->p_mv_table[xy][0];
2452 motion_y= s->mv[0][0][1] = s->p_mv_table[xy][1];
2453 break;
2454 case CANDIDATE_MB_TYPE_INTER_I:
2455 s->mv_dir = MV_DIR_FORWARD;
2456 s->mv_type = MV_TYPE_FIELD;
2457 s->mb_intra= 0;
2458 for(i=0; i<2; i++){
2459 j= s->field_select[0][i] = s->p_field_select_table[i][xy];
2460 s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
2461 s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
2462 }
2463 break;
2464 case CANDIDATE_MB_TYPE_INTER4V:
2465 s->mv_dir = MV_DIR_FORWARD;
2466 s->mv_type = MV_TYPE_8X8;
2467 s->mb_intra= 0;
2468 for(i=0; i<4; i++){
2469 s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
2470 s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
2471 }
2472 break;
2473 case CANDIDATE_MB_TYPE_DIRECT:
2474 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2475 s->mb_intra= 0;
2476 motion_x=s->b_direct_mv_table[xy][0];
2477 motion_y=s->b_direct_mv_table[xy][1];
2478 ff_mpeg4_set_direct_mv(s, motion_x, motion_y);
2479 break;
2480 case CANDIDATE_MB_TYPE_DIRECT0:
2481 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2482 s->mb_intra= 0;
2483 ff_mpeg4_set_direct_mv(s, 0, 0);
2484 break;
2485 case CANDIDATE_MB_TYPE_BIDIR:
2486 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2487 s->mb_intra= 0;
2488 s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
2489 s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
2490 s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
2491 s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
2492 break;
2493 case CANDIDATE_MB_TYPE_BACKWARD:
2494 s->mv_dir = MV_DIR_BACKWARD;
2495 s->mb_intra= 0;
2496 motion_x= s->mv[1][0][0] = s->b_back_mv_table[xy][0];
2497 motion_y= s->mv[1][0][1] = s->b_back_mv_table[xy][1];
2498 break;
2499 case CANDIDATE_MB_TYPE_FORWARD:
2500 s->mv_dir = MV_DIR_FORWARD;
2501 s->mb_intra= 0;
2502 motion_x= s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
2503 motion_y= s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
2504// printf(" %d %d ", motion_x, motion_y);
2505 break;
2506 case CANDIDATE_MB_TYPE_FORWARD_I:
2507 s->mv_dir = MV_DIR_FORWARD;
2508 s->mv_type = MV_TYPE_FIELD;
2509 s->mb_intra= 0;
2510 for(i=0; i<2; i++){
2511 j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
2512 s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
2513 s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
2514 }
2515 break;
2516 case CANDIDATE_MB_TYPE_BACKWARD_I:
2517 s->mv_dir = MV_DIR_BACKWARD;
2518 s->mv_type = MV_TYPE_FIELD;
2519 s->mb_intra= 0;
2520 for(i=0; i<2; i++){
2521 j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
2522 s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
2523 s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
2524 }
2525 break;
2526 case CANDIDATE_MB_TYPE_BIDIR_I:
2527 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2528 s->mv_type = MV_TYPE_FIELD;
2529 s->mb_intra= 0;
2530 for(dir=0; dir<2; dir++){
2531 for(i=0; i<2; i++){
2532 j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
2533 s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
2534 s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
2535 }
2536 }
2537 break;
2538 default:
2539 av_log(s->avctx, AV_LOG_ERROR, "illegal MB type\n");
2540 }
2541
2542 encode_mb(s, motion_x, motion_y);
2543
2544 // RAL: Update last macroblock type
2545 s->last_mv_dir = s->mv_dir;
2546
2547 if (s->out_format == FMT_H263 && s->pict_type!=B_TYPE)
2548 ff_h263_update_motion_val(s);
2549
2550 MPV_decode_mb(s, s->block);
2551 }
2552
2553 /* clean the MV table in IPS frames for direct mode in B frames */
2554 if(s->mb_intra /* && I,P,S_TYPE */){
2555 s->p_mv_table[xy][0]=0;
2556 s->p_mv_table[xy][1]=0;
2557 }
2558
2559 if(s->flags&CODEC_FLAG_PSNR){
2560 int w= 16;
2561 int h= 16;
2562
2563 if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
2564 if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
2565
2566 s->current_picture.error[0] += sse(
2567 s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16,
2568 s->dest[0], w, h, s->linesize);
2569 s->current_picture.error[1] += sse(
2570 s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,
2571 s->dest[1], w>>1, h>>1, s->uvlinesize);
2572 s->current_picture.error[2] += sse(
2573 s, s->new_picture .data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,
2574 s->dest[2], w>>1, h>>1, s->uvlinesize);
2575 }
2576 if(s->loop_filter){
2577 if(s->out_format == FMT_H263)
2578 ff_h263_loop_filter(s);
2579 }
2580//printf("MB %d %d bits\n", s->mb_x+s->mb_y*s->mb_stride, put_bits_count(&s->pb));
2581 }
2582 }
2583
2584 //not beautiful here but we must write it before flushing so it has to be here
2585 if (ENABLE_MSMPEG4_ENCODER && s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type == I_TYPE)
2586 msmpeg4_encode_ext_header(s);
2587
2588 write_slice_end(s);
2589
2590 /* Send the last GOB if RTP */
2591 if (s->avctx->rtp_callback) {
2592 int number_mb = (mb_y - s->resync_mb_y)*s->mb_width - s->resync_mb_x;
2593 pdif = pbBufPtr(&s->pb) - s->ptr_lastgob;
2594 /* Call the RTP callback to send the last GOB */
2595 emms_c();
2596 s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, pdif, number_mb);
2597 }
2598
2599 return 0;
2600}
2601
2602#define MERGE(field) dst->field += src->field; src->field=0
2603static void merge_context_after_me(MpegEncContext *dst, MpegEncContext *src){
2604 MERGE(me.scene_change_score);
2605 MERGE(me.mc_mb_var_sum_temp);
2606 MERGE(me.mb_var_sum_temp);
2607}
2608
2609static void merge_context_after_encode(MpegEncContext *dst, MpegEncContext *src){
2610 int i;
2611
2612 MERGE(dct_count[0]); //note, the other dct vars are not part of the context
2613 MERGE(dct_count[1]);
2614 MERGE(mv_bits);
2615 MERGE(i_tex_bits);
2616 MERGE(p_tex_bits);
2617 MERGE(i_count);
2618 MERGE(f_count);
2619 MERGE(b_count);
2620 MERGE(skip_count);
2621 MERGE(misc_bits);
2622 MERGE(error_count);
2623 MERGE(padding_bug_score);
2624 MERGE(current_picture.error[0]);
2625 MERGE(current_picture.error[1]);
2626 MERGE(current_picture.error[2]);
2627
2628 if(dst->avctx->noise_reduction){
2629 for(i=0; i<64; i++){
2630 MERGE(dct_error_sum[0][i]);
2631 MERGE(dct_error_sum[1][i]);
2632 }
2633 }
2634
2635 assert(put_bits_count(&src->pb) % 8 ==0);
2636 assert(put_bits_count(&dst->pb) % 8 ==0);
2637 ff_copy_bits(&dst->pb, src->pb.buf, put_bits_count(&src->pb));
2638 flush_put_bits(&dst->pb);
2639}
2640
2641static int estimate_qp(MpegEncContext *s, int dry_run){
2642 if (s->next_lambda){
2643 s->current_picture_ptr->quality=
2644 s->current_picture.quality = s->next_lambda;
2645 if(!dry_run) s->next_lambda= 0;
2646 } else if (!s->fixed_qscale) {
2647 s->current_picture_ptr->quality=
2648 s->current_picture.quality = ff_rate_estimate_qscale(s, dry_run);
2649 if (s->current_picture.quality < 0)
2650 return -1;
2651 }
2652
2653 if(s->adaptive_quant){
2654 switch(s->codec_id){
2655 case CODEC_ID_MPEG4:
2656 ff_clean_mpeg4_qscales(s);
2657 break;
2658 case CODEC_ID_H263:
2659 case CODEC_ID_H263P:
2660 case CODEC_ID_FLV1:
2661 ff_clean_h263_qscales(s);
2662 break;
2663 }
2664
2665 s->lambda= s->lambda_table[0];
2666 //FIXME broken
2667 }else
2668 s->lambda= s->current_picture.quality;
2669//printf("%d %d\n", s->avctx->global_quality, s->current_picture.quality);
2670 update_qscale(s);
2671 return 0;
2672}
2673
2674static int encode_picture(MpegEncContext *s, int picture_number)
2675{
2676 int i;
2677 int bits;
2678
2679 s->picture_number = picture_number;
2680
2681 /* Reset the average MB variance */
2682 s->me.mb_var_sum_temp =
2683 s->me.mc_mb_var_sum_temp = 0;
2684
2685 /* we need to initialize some time vars before we can encode b-frames */
2686 // RAL: Condition added for MPEG1VIDEO
2687 if (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO || (s->h263_pred && !s->h263_msmpeg4))
2688 ff_set_mpeg4_time(s, s->picture_number); //FIXME rename and use has_b_frames or similar
2689
2690 s->me.scene_change_score=0;
2691
2692// s->lambda= s->current_picture_ptr->quality; //FIXME qscale / ... stuff for ME ratedistoration
2693
2694 if(s->pict_type==I_TYPE){
2695 if(s->msmpeg4_version >= 3) s->no_rounding=1;
2696 else s->no_rounding=0;
2697 }else if(s->pict_type!=B_TYPE){
2698 if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
2699 s->no_rounding ^= 1;
2700 }
2701
2702 if(s->flags & CODEC_FLAG_PASS2){
2703 if (estimate_qp(s,1) < 0)
2704 return -1;
2705 ff_get_2pass_fcode(s);
2706 }else if(!(s->flags & CODEC_FLAG_QSCALE)){
2707 if(s->pict_type==B_TYPE)
2708 s->lambda= s->last_lambda_for[s->pict_type];
2709 else
2710 s->lambda= s->last_lambda_for[s->last_non_b_pict_type];
2711 update_qscale(s);
2712 }
2713
2714 s->mb_intra=0; //for the rate distortion & bit compare functions
2715 for(i=1; i<s->avctx->thread_count; i++){
2716 ff_update_duplicate_context(s->thread_context[i], s);
2717 }
2718
2719 ff_init_me(s);
2720
2721 /* Estimate motion for every MB */
2722 if(s->pict_type != I_TYPE){
2723 s->lambda = (s->lambda * s->avctx->me_penalty_compensation + 128)>>8;
2724 s->lambda2= (s->lambda2* (int64_t)s->avctx->me_penalty_compensation + 128)>>8;
2725 if(s->pict_type != B_TYPE && s->avctx->me_threshold==0){
2726 if((s->avctx->pre_me && s->last_non_b_pict_type==I_TYPE) || s->avctx->pre_me==2){
2727 s->avctx->execute(s->avctx, pre_estimate_motion_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count);
2728 }
2729 }
2730
2731 s->avctx->execute(s->avctx, estimate_motion_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count);
2732 }else /* if(s->pict_type == I_TYPE) */{
2733 /* I-Frame */
2734 for(i=0; i<s->mb_stride*s->mb_height; i++)
2735 s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
2736
2737 if(!s->fixed_qscale){
2738 /* finding spatial complexity for I-frame rate control */
2739 s->avctx->execute(s->avctx, mb_var_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count);
2740 }
2741 }
2742 for(i=1; i<s->avctx->thread_count; i++){
2743 merge_context_after_me(s, s->thread_context[i]);
2744 }
2745 s->current_picture.mc_mb_var_sum= s->current_picture_ptr->mc_mb_var_sum= s->me.mc_mb_var_sum_temp;
2746 s->current_picture. mb_var_sum= s->current_picture_ptr-> mb_var_sum= s->me. mb_var_sum_temp;
2747 emms_c();
2748
2749 if(s->me.scene_change_score > s->avctx->scenechange_threshold && s->pict_type == P_TYPE){
2750 s->pict_type= I_TYPE;
2751 for(i=0; i<s->mb_stride*s->mb_height; i++)
2752 s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
2753//printf("Scene change detected, encoding as I Frame %d %d\n", s->current_picture.mb_var_sum, s->current_picture.mc_mb_var_sum);
2754 }
2755
2756 if(!s->umvplus){
2757 if(s->pict_type==P_TYPE || s->pict_type==S_TYPE) {
2758 s->f_code= ff_get_best_fcode(s, s->p_mv_table, CANDIDATE_MB_TYPE_INTER);
2759
2760 if(s->flags & CODEC_FLAG_INTERLACED_ME){
2761 int a,b;
2762 a= ff_get_best_fcode(s, s->p_field_mv_table[0][0], CANDIDATE_MB_TYPE_INTER_I); //FIXME field_select
2763 b= ff_get_best_fcode(s, s->p_field_mv_table[1][1], CANDIDATE_MB_TYPE_INTER_I);
2764 s->f_code= FFMAX(s->f_code, FFMAX(a,b));
2765 }
2766
2767 ff_fix_long_p_mvs(s);
2768 ff_fix_long_mvs(s, NULL, 0, s->p_mv_table, s->f_code, CANDIDATE_MB_TYPE_INTER, 0);
2769 if(s->flags & CODEC_FLAG_INTERLACED_ME){
2770 int j;
2771 for(i=0; i<2; i++){
2772 for(j=0; j<2; j++)
2773 ff_fix_long_mvs(s, s->p_field_select_table[i], j,
2774 s->p_field_mv_table[i][j], s->f_code, CANDIDATE_MB_TYPE_INTER_I, 0);
2775 }
2776 }
2777 }
2778
2779 if(s->pict_type==B_TYPE){
2780 int a, b;
2781
2782 a = ff_get_best_fcode(s, s->b_forw_mv_table, CANDIDATE_MB_TYPE_FORWARD);
2783 b = ff_get_best_fcode(s, s->b_bidir_forw_mv_table, CANDIDATE_MB_TYPE_BIDIR);
2784 s->f_code = FFMAX(a, b);
2785
2786 a = ff_get_best_fcode(s, s->b_back_mv_table, CANDIDATE_MB_TYPE_BACKWARD);
2787 b = ff_get_best_fcode(s, s->b_bidir_back_mv_table, CANDIDATE_MB_TYPE_BIDIR);
2788 s->b_code = FFMAX(a, b);
2789
2790 ff_fix_long_mvs(s, NULL, 0, s->b_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_FORWARD, 1);
2791 ff_fix_long_mvs(s, NULL, 0, s->b_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BACKWARD, 1);
2792 ff_fix_long_mvs(s, NULL, 0, s->b_bidir_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_BIDIR, 1);
2793 ff_fix_long_mvs(s, NULL, 0, s->b_bidir_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BIDIR, 1);
2794 if(s->flags & CODEC_FLAG_INTERLACED_ME){
2795 int dir, j;
2796 for(dir=0; dir<2; dir++){
2797 for(i=0; i<2; i++){
2798 for(j=0; j<2; j++){
2799 int type= dir ? (CANDIDATE_MB_TYPE_BACKWARD_I|CANDIDATE_MB_TYPE_BIDIR_I)
2800 : (CANDIDATE_MB_TYPE_FORWARD_I |CANDIDATE_MB_TYPE_BIDIR_I);
2801 ff_fix_long_mvs(s, s->b_field_select_table[dir][i], j,
2802 s->b_field_mv_table[dir][i][j], dir ? s->b_code : s->f_code, type, 1);
2803 }
2804 }
2805 }
2806 }
2807 }
2808 }
2809
2810 if (estimate_qp(s, 0) < 0)
2811 return -1;
2812
2813 if(s->qscale < 3 && s->max_qcoeff<=128 && s->pict_type==I_TYPE && !(s->flags & CODEC_FLAG_QSCALE))
2814 s->qscale= 3; //reduce clipping problems
2815
2816 if (s->out_format == FMT_MJPEG) {
2817 /* for mjpeg, we do include qscale in the matrix */
2818 s->intra_matrix[0] = ff_mpeg1_default_intra_matrix[0];
2819 for(i=1;i<64;i++){
2820 int j= s->dsp.idct_permutation[i];
2821
2822 s->intra_matrix[j] = av_clip_uint8((ff_mpeg1_default_intra_matrix[i] * s->qscale) >> 3);
2823 }
2824 convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
2825 s->intra_matrix, s->intra_quant_bias, 8, 8, 1);
2826 s->qscale= 8;
2827 }
2828
2829 //FIXME var duplication
2830 s->current_picture_ptr->key_frame=
2831 s->current_picture.key_frame= s->pict_type == I_TYPE; //FIXME pic_ptr
2832 s->current_picture_ptr->pict_type=
2833 s->current_picture.pict_type= s->pict_type;
2834
2835 if(s->current_picture.key_frame)
2836 s->picture_in_gop_number=0;
2837
2838 s->last_bits= put_bits_count(&s->pb);
2839 switch(s->out_format) {
2840 case FMT_MJPEG:
2841 if (ENABLE_MJPEG_ENCODER)
2842 ff_mjpeg_encode_picture_header(s);
2843 break;
2844 case FMT_H261:
2845 if (ENABLE_H261_ENCODER)
2846 ff_h261_encode_picture_header(s, picture_number);
2847 break;
2848 case FMT_H263:
2849 if (ENABLE_WMV2_ENCODER && s->codec_id == CODEC_ID_WMV2)
2850 ff_wmv2_encode_picture_header(s, picture_number);
2851 else if (ENABLE_MSMPEG4_ENCODER && s->h263_msmpeg4)
2852 msmpeg4_encode_picture_header(s, picture_number);
2853 else if (s->h263_pred)
2854 mpeg4_encode_picture_header(s, picture_number);
2855 else if (ENABLE_RV10_ENCODER && s->codec_id == CODEC_ID_RV10)
2856 rv10_encode_picture_header(s, picture_number);
2857 else if (ENABLE_RV20_ENCODER && s->codec_id == CODEC_ID_RV20)
2858 rv20_encode_picture_header(s, picture_number);
2859 else if (s->codec_id == CODEC_ID_FLV1)
2860 ff_flv_encode_picture_header(s, picture_number);
2861 else
2862 h263_encode_picture_header(s, picture_number);
2863 break;
2864 case FMT_MPEG1:
a6bc5731 2865 if (ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER)
56be950a 2866 mpeg1_encode_picture_header(s, picture_number);
3ada94ba
BF
2867 break;
2868 case FMT_H264:
2869 break;
2870 default:
2871 assert(0);
2872 }
2873 bits= put_bits_count(&s->pb);
2874 s->header_bits= bits - s->last_bits;
2875
2876 for(i=1; i<s->avctx->thread_count; i++){
2877 update_duplicate_context_after_me(s->thread_context[i], s);
2878 }
2879 s->avctx->execute(s->avctx, encode_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count);
2880 for(i=1; i<s->avctx->thread_count; i++){
2881 merge_context_after_encode(s, s->thread_context[i]);
2882 }
2883 emms_c();
2884 return 0;
2885}
2886
2887void denoise_dct_c(MpegEncContext *s, DCTELEM *block){
2888 const int intra= s->mb_intra;
2889 int i;
2890
2891 s->dct_count[intra]++;
2892
2893 for(i=0; i<64; i++){
2894 int level= block[i];
2895
2896 if(level){
2897 if(level>0){
2898 s->dct_error_sum[intra][i] += level;
2899 level -= s->dct_offset[intra][i];
2900 if(level<0) level=0;
2901 }else{
2902 s->dct_error_sum[intra][i] -= level;
2903 level += s->dct_offset[intra][i];
2904 if(level>0) level=0;
2905 }
2906 block[i]= level;
2907 }
2908 }
2909}
2910
2911int dct_quantize_trellis_c(MpegEncContext *s,
2912 DCTELEM *block, int n,
2913 int qscale, int *overflow){
2914 const int *qmat;
2915 const uint8_t *scantable= s->intra_scantable.scantable;
2916 const uint8_t *perm_scantable= s->intra_scantable.permutated;
2917 int max=0;
2918 unsigned int threshold1, threshold2;
2919 int bias=0;
2920 int run_tab[65];
2921 int level_tab[65];
2922 int score_tab[65];
2923 int survivor[65];
2924 int survivor_count;
2925 int last_run=0;
2926 int last_level=0;
2927 int last_score= 0;
2928 int last_i;
2929 int coeff[2][64];
2930 int coeff_count[64];
2931 int qmul, qadd, start_i, last_non_zero, i, dc;
2932 const int esc_length= s->ac_esc_length;
2933 uint8_t * length;
2934 uint8_t * last_length;
2935 const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6);
2936
2937 s->dsp.fdct (block);
2938
2939 if(s->dct_error_sum)
2940 s->denoise_dct(s, block);
2941 qmul= qscale*16;
2942 qadd= ((qscale-1)|1)*8;
2943
2944 if (s->mb_intra) {
2945 int q;
2946 if (!s->h263_aic) {
2947 if (n < 4)
2948 q = s->y_dc_scale;
2949 else
2950 q = s->c_dc_scale;
2951 q = q << 3;
2952 } else{
2953 /* For AIC we skip quant/dequant of INTRADC */
2954 q = 1 << 3;
2955 qadd=0;
2956 }
2957
2958 /* note: block[0] is assumed to be positive */
2959 block[0] = (block[0] + (q >> 1)) / q;
2960 start_i = 1;
2961 last_non_zero = 0;
2962 qmat = s->q_intra_matrix[qscale];
2963 if(s->mpeg_quant || s->out_format == FMT_MPEG1)
2964 bias= 1<<(QMAT_SHIFT-1);
2965 length = s->intra_ac_vlc_length;
2966 last_length= s->intra_ac_vlc_last_length;
2967 } else {
2968 start_i = 0;
2969 last_non_zero = -1;
2970 qmat = s->q_inter_matrix[qscale];
2971 length = s->inter_ac_vlc_length;
2972 last_length= s->inter_ac_vlc_last_length;
2973 }
2974 last_i= start_i;
2975
2976 threshold1= (1<<QMAT_SHIFT) - bias - 1;
2977 threshold2= (threshold1<<1);
2978
2979 for(i=63; i>=start_i; i--) {
2980 const int j = scantable[i];
2981 int level = block[j] * qmat[j];
2982
2983 if(((unsigned)(level+threshold1))>threshold2){
2984 last_non_zero = i;
2985 break;
2986 }
2987 }
2988
2989 for(i=start_i; i<=last_non_zero; i++) {
2990 const int j = scantable[i];
2991 int level = block[j] * qmat[j];
2992
2993// if( bias+level >= (1<<(QMAT_SHIFT - 3))
2994// || bias-level >= (1<<(QMAT_SHIFT - 3))){
2995 if(((unsigned)(level+threshold1))>threshold2){
2996 if(level>0){
2997 level= (bias + level)>>QMAT_SHIFT;
2998 coeff[0][i]= level;
2999 coeff[1][i]= level-1;
3000// coeff[2][k]= level-2;
3001 }else{
3002 level= (bias - level)>>QMAT_SHIFT;
3003 coeff[0][i]= -level;
3004 coeff[1][i]= -level+1;
3005// coeff[2][k]= -level+2;
3006 }
3007 coeff_count[i]= FFMIN(level, 2);
3008 assert(coeff_count[i]);
3009 max |=level;
3010 }else{
3011 coeff[0][i]= (level>>31)|1;
3012 coeff_count[i]= 1;
3013 }
3014 }
3015
3016 *overflow= s->max_qcoeff < max; //overflow might have happened
3017
3018 if(last_non_zero < start_i){
3019 memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM));
3020 return last_non_zero;
3021 }
3022
3023 score_tab[start_i]= 0;
3024 survivor[0]= start_i;
3025 survivor_count= 1;
3026
3027 for(i=start_i; i<=last_non_zero; i++){
3028 int level_index, j;
3029 const int dct_coeff= FFABS(block[ scantable[i] ]);
3030 const int zero_distoration= dct_coeff*dct_coeff;
3031 int best_score=256*256*256*120;
3032 for(level_index=0; level_index < coeff_count[i]; level_index++){
3033 int distoration;
3034 int level= coeff[level_index][i];
3035 const int alevel= FFABS(level);
3036 int unquant_coeff;
3037
3038 assert(level);
3039
3040 if(s->out_format == FMT_H263){
3041 unquant_coeff= alevel*qmul + qadd;
3042 }else{ //MPEG1
3043 j= s->dsp.idct_permutation[ scantable[i] ]; //FIXME optimize
3044 if(s->mb_intra){
3045 unquant_coeff = (int)( alevel * qscale * s->intra_matrix[j]) >> 3;
3046 unquant_coeff = (unquant_coeff - 1) | 1;
3047 }else{
3048 unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[j])) >> 4;
3049 unquant_coeff = (unquant_coeff - 1) | 1;
3050 }
3051 unquant_coeff<<= 3;
3052 }
3053
3054 distoration= (unquant_coeff - dct_coeff) * (unquant_coeff - dct_coeff) - zero_distoration;
3055 level+=64;
3056 if((level&(~127)) == 0){
3057 for(j=survivor_count-1; j>=0; j--){
3058 int run= i - survivor[j];
3059 int score= distoration + length[UNI_AC_ENC_INDEX(run, level)]*lambda;
3060 score += score_tab[i-run];
3061
3062 if(score < best_score){
3063 best_score= score;
3064 run_tab[i+1]= run;
3065 level_tab[i+1]= level-64;
3066 }
3067 }
3068
3069 if(s->out_format == FMT_H263){
3070 for(j=survivor_count-1; j>=0; j--){
3071 int run= i - survivor[j];
3072 int score= distoration + last_length[UNI_AC_ENC_INDEX(run, level)]*lambda;
3073 score += score_tab[i-run];
3074 if(score < last_score){
3075 last_score= score;
3076 last_run= run;
3077 last_level= level-64;
3078 last_i= i+1;
3079 }
3080 }
3081 }
3082 }else{
3083 distoration += esc_length*lambda;
3084 for(j=survivor_count-1; j>=0; j--){
3085 int run= i - survivor[j];
3086 int score= distoration + score_tab[i-run];
3087
3088 if(score < best_score){
3089 best_score= score;
3090 run_tab[i+1]= run;
3091 level_tab[i+1]= level-64;
3092 }
3093 }
3094
3095 if(s->out_format == FMT_H263){
3096 for(j=survivor_count-1; j>=0; j--){
3097 int run= i - survivor[j];
3098 int score= distoration + score_tab[i-run];
3099 if(score < last_score){
3100 last_score= score;
3101 last_run= run;
3102 last_level= level-64;
3103 last_i= i+1;
3104 }
3105 }
3106 }
3107 }
3108 }
3109
3110 score_tab[i+1]= best_score;
3111
3112 //Note: there is a vlc code in mpeg4 which is 1 bit shorter then another one with a shorter run and the same level
3113 if(last_non_zero <= 27){
3114 for(; survivor_count; survivor_count--){
3115 if(score_tab[ survivor[survivor_count-1] ] <= best_score)
3116 break;
3117 }
3118 }else{
3119 for(; survivor_count; survivor_count--){
3120 if(score_tab[ survivor[survivor_count-1] ] <= best_score + lambda)
3121 break;
3122 }
3123 }
3124
3125 survivor[ survivor_count++ ]= i+1;
3126 }
3127
3128 if(s->out_format != FMT_H263){
3129 last_score= 256*256*256*120;
3130 for(i= survivor[0]; i<=last_non_zero + 1; i++){
3131 int score= score_tab[i];
3132 if(i) score += lambda*2; //FIXME exacter?
3133
3134 if(score < last_score){
3135 last_score= score;
3136 last_i= i;
3137 last_level= level_tab[i];
3138 last_run= run_tab[i];
3139 }
3140 }
3141 }
3142
3143 s->coded_score[n] = last_score;
3144
3145 dc= FFABS(block[0]);
3146 last_non_zero= last_i - 1;
3147 memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM));
3148
3149 if(last_non_zero < start_i)
3150 return last_non_zero;
3151
3152 if(last_non_zero == 0 && start_i == 0){
3153 int best_level= 0;
3154 int best_score= dc * dc;
3155
3156 for(i=0; i<coeff_count[0]; i++){
3157 int level= coeff[i][0];
3158 int alevel= FFABS(level);
3159 int unquant_coeff, score, distortion;
3160
3161 if(s->out_format == FMT_H263){
3162 unquant_coeff= (alevel*qmul + qadd)>>3;
3163 }else{ //MPEG1
3164 unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[0])) >> 4;
3165 unquant_coeff = (unquant_coeff - 1) | 1;
3166 }
3167 unquant_coeff = (unquant_coeff + 4) >> 3;
3168 unquant_coeff<<= 3 + 3;
3169
3170 distortion= (unquant_coeff - dc) * (unquant_coeff - dc);
3171 level+=64;
3172 if((level&(~127)) == 0) score= distortion + last_length[UNI_AC_ENC_INDEX(0, level)]*lambda;
3173 else score= distortion + esc_length*lambda;
3174
3175 if(score < best_score){
3176 best_score= score;
3177 best_level= level - 64;
3178 }
3179 }
3180 block[0]= best_level;
3181 s->coded_score[n] = best_score - dc*dc;
3182 if(best_level == 0) return -1;
3183 else return last_non_zero;
3184 }
3185
3186 i= last_i;
3187 assert(last_level);
3188
3189 block[ perm_scantable[last_non_zero] ]= last_level;
3190 i -= last_run + 1;
3191
3192 for(; i>start_i; i -= run_tab[i] + 1){
3193 block[ perm_scantable[i-1] ]= level_tab[i];
3194 }
3195
3196 return last_non_zero;
3197}
3198
3199//#define REFINE_STATS 1
3200static int16_t basis[64][64];
3201
3202static void build_basis(uint8_t *perm){
3203 int i, j, x, y;
3204 emms_c();
3205 for(i=0; i<8; i++){
3206 for(j=0; j<8; j++){
3207 for(y=0; y<8; y++){
3208 for(x=0; x<8; x++){
3209 double s= 0.25*(1<<BASIS_SHIFT);
3210 int index= 8*i + j;
3211 int perm_index= perm[index];
3212 if(i==0) s*= sqrt(0.5);
3213 if(j==0) s*= sqrt(0.5);
3214 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)));
3215 }
3216 }
3217 }
3218 }
3219}
3220
3221static int dct_quantize_refine(MpegEncContext *s, //FIXME breaks denoise?
3222 DCTELEM *block, int16_t *weight, DCTELEM *orig,
3223 int n, int qscale){
3224 int16_t rem[64];
3225 DECLARE_ALIGNED_16(DCTELEM, d1[64]);
3226 const int *qmat;
3227 const uint8_t *scantable= s->intra_scantable.scantable;
3228 const uint8_t *perm_scantable= s->intra_scantable.permutated;
3229// unsigned int threshold1, threshold2;
3230// int bias=0;
3231 int run_tab[65];
3232 int prev_run=0;
3233 int prev_level=0;
3234 int qmul, qadd, start_i, last_non_zero, i, dc;
3235 uint8_t * length;
3236 uint8_t * last_length;
3237 int lambda;
3238 int rle_index, run, q = 1, sum; //q is only used when s->mb_intra is true
3239#ifdef REFINE_STATS
3240static int count=0;
3241static int after_last=0;
3242static int to_zero=0;
3243static int from_zero=0;
3244static int raise=0;
3245static int lower=0;
3246static int messed_sign=0;
3247#endif
3248
3249 if(basis[0][0] == 0)
3250 build_basis(s->dsp.idct_permutation);
3251
3252 qmul= qscale*2;
3253 qadd= (qscale-1)|1;
3254 if (s->mb_intra) {
3255 if (!s->h263_aic) {
3256 if (n < 4)
3257 q = s->y_dc_scale;
3258 else
3259 q = s->c_dc_scale;
3260 } else{
3261 /* For AIC we skip quant/dequant of INTRADC */
3262 q = 1;
3263 qadd=0;
3264 }
3265 q <<= RECON_SHIFT-3;
3266 /* note: block[0] is assumed to be positive */
3267 dc= block[0]*q;
3268// block[0] = (block[0] + (q >> 1)) / q;
3269 start_i = 1;
3270 qmat = s->q_intra_matrix[qscale];
3271// if(s->mpeg_quant || s->out_format == FMT_MPEG1)
3272// bias= 1<<(QMAT_SHIFT-1);
3273 length = s->intra_ac_vlc_length;
3274 last_length= s->intra_ac_vlc_last_length;
3275 } else {
3276 dc= 0;
3277 start_i = 0;
3278 qmat = s->q_inter_matrix[qscale];
3279 length = s->inter_ac_vlc_length;
3280 last_length= s->inter_ac_vlc_last_length;
3281 }
3282 last_non_zero = s->block_last_index[n];
3283
3284#ifdef REFINE_STATS
3285{START_TIMER
3286#endif
3287 dc += (1<<(RECON_SHIFT-1));
3288 for(i=0; i<64; i++){
3289 rem[i]= dc - (orig[i]<<RECON_SHIFT); //FIXME use orig dirrectly instead of copying to rem[]
3290 }
3291#ifdef REFINE_STATS
3292STOP_TIMER("memset rem[]")}
3293#endif
3294 sum=0;
3295 for(i=0; i<64; i++){
3296 int one= 36;
3297 int qns=4;
3298 int w;
3299
3300 w= FFABS(weight[i]) + qns*one;
3301 w= 15 + (48*qns*one + w/2)/w; // 16 .. 63
3302
3303 weight[i] = w;
3304// w=weight[i] = (63*qns + (w/2)) / w;
3305
3306 assert(w>0);
3307 assert(w<(1<<6));
3308 sum += w*w;
3309 }
3310 lambda= sum*(uint64_t)s->lambda2 >> (FF_LAMBDA_SHIFT - 6 + 6 + 6 + 6);
3311#ifdef REFINE_STATS
3312{START_TIMER
3313#endif
3314 run=0;
3315 rle_index=0;
3316 for(i=start_i; i<=last_non_zero; i++){
3317 int j= perm_scantable[i];
3318 const int level= block[j];
3319 int coeff;
3320
3321 if(level){
3322 if(level<0) coeff= qmul*level - qadd;
3323 else coeff= qmul*level + qadd;
3324 run_tab[rle_index++]=run;
3325 run=0;
3326
3327 s->dsp.add_8x8basis(rem, basis[j], coeff);
3328 }else{
3329 run++;
3330 }
3331 }
3332#ifdef REFINE_STATS
3333if(last_non_zero>0){
3334STOP_TIMER("init rem[]")
3335}
3336}
3337
3338{START_TIMER
3339#endif
3340 for(;;){
3341 int best_score=s->dsp.try_8x8basis(rem, weight, basis[0], 0);
3342 int best_coeff=0;
3343 int best_change=0;
3344 int run2, best_unquant_change=0, analyze_gradient;
3345#ifdef REFINE_STATS
3346{START_TIMER
3347#endif
3348 analyze_gradient = last_non_zero > 2 || s->avctx->quantizer_noise_shaping >= 3;
3349
3350 if(analyze_gradient){
3351#ifdef REFINE_STATS
3352{START_TIMER
3353#endif
3354 for(i=0; i<64; i++){
3355 int w= weight[i];
3356
3357 d1[i] = (rem[i]*w*w + (1<<(RECON_SHIFT+12-1)))>>(RECON_SHIFT+12);
3358 }
3359#ifdef REFINE_STATS
3360STOP_TIMER("rem*w*w")}
3361{START_TIMER
3362#endif
3363 s->dsp.fdct(d1);
3364#ifdef REFINE_STATS
3365STOP_TIMER("dct")}
3366#endif
3367 }
3368
3369 if(start_i){
3370 const int level= block[0];
3371 int change, old_coeff;
3372
3373 assert(s->mb_intra);
3374
3375 old_coeff= q*level;
3376
3377 for(change=-1; change<=1; change+=2){
3378 int new_level= level + change;
3379 int score, new_coeff;
3380
3381 new_coeff= q*new_level;
3382 if(new_coeff >= 2048 || new_coeff < 0)
3383 continue;
3384
3385 score= s->dsp.try_8x8basis(rem, weight, basis[0], new_coeff - old_coeff);
3386 if(score<best_score){
3387 best_score= score;
3388 best_coeff= 0;
3389 best_change= change;
3390 best_unquant_change= new_coeff - old_coeff;
3391 }
3392 }
3393 }
3394
3395 run=0;
3396 rle_index=0;
3397 run2= run_tab[rle_index++];
3398 prev_level=0;
3399 prev_run=0;
3400
3401 for(i=start_i; i<64; i++){
3402 int j= perm_scantable[i];
3403 const int level= block[j];
3404 int change, old_coeff;
3405
3406 if(s->avctx->quantizer_noise_shaping < 3 && i > last_non_zero + 1)
3407 break;
3408
3409 if(level){
3410 if(level<0) old_coeff= qmul*level - qadd;
3411 else old_coeff= qmul*level + qadd;
3412 run2= run_tab[rle_index++]; //FIXME ! maybe after last
3413 }else{
3414 old_coeff=0;
3415 run2--;
3416 assert(run2>=0 || i >= last_non_zero );
3417 }
3418
3419 for(change=-1; change<=1; change+=2){
3420 int new_level= level + change;
3421 int score, new_coeff, unquant_change;
3422
3423 score=0;
3424 if(s->avctx->quantizer_noise_shaping < 2 && FFABS(new_level) > FFABS(level))
3425 continue;
3426
3427 if(new_level){
3428 if(new_level<0) new_coeff= qmul*new_level - qadd;
3429 else new_coeff= qmul*new_level + qadd;
3430 if(new_coeff >= 2048 || new_coeff <= -2048)
3431 continue;
3432 //FIXME check for overflow
3433
3434 if(level){
3435 if(level < 63 && level > -63){
3436 if(i < last_non_zero)
3437 score += length[UNI_AC_ENC_INDEX(run, new_level+64)]
3438 - length[UNI_AC_ENC_INDEX(run, level+64)];
3439 else
3440 score += last_length[UNI_AC_ENC_INDEX(run, new_level+64)]
3441 - last_length[UNI_AC_ENC_INDEX(run, level+64)];
3442 }
3443 }else{
3444 assert(FFABS(new_level)==1);
3445
3446 if(analyze_gradient){
3447 int g= d1[ scantable[i] ];
3448 if(g && (g^new_level) >= 0)
3449 continue;
3450 }
3451
3452 if(i < last_non_zero){
3453 int next_i= i + run2 + 1;
3454 int next_level= block[ perm_scantable[next_i] ] + 64;
3455
3456 if(next_level&(~127))
3457 next_level= 0;
3458
3459 if(next_i < last_non_zero)
3460 score += length[UNI_AC_ENC_INDEX(run, 65)]
3461 + length[UNI_AC_ENC_INDEX(run2, next_level)]
3462 - length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
3463 else
3464 score += length[UNI_AC_ENC_INDEX(run, 65)]
3465 + last_length[UNI_AC_ENC_INDEX(run2, next_level)]
3466 - last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
3467 }else{
3468 score += last_length[UNI_AC_ENC_INDEX(run, 65)];
3469 if(prev_level){
3470 score += length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
3471 - last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
3472 }
3473 }
3474 }
3475 }else{
3476 new_coeff=0;
3477 assert(FFABS(level)==1);
3478
3479 if(i < last_non_zero){
3480 int next_i= i + run2 + 1;
3481 int next_level= block[ perm_scantable[next_i] ] + 64;
3482
3483 if(next_level&(~127))
3484 next_level= 0;
3485
3486 if(next_i < last_non_zero)
3487 score += length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
3488 - length[UNI_AC_ENC_INDEX(run2, next_level)]
3489 - length[UNI_AC_ENC_INDEX(run, 65)];
3490 else
3491 score += last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
3492 - last_length[UNI_AC_ENC_INDEX(run2, next_level)]
3493 - length[UNI_AC_ENC_INDEX(run, 65)];
3494 }else{
3495 score += -last_length[UNI_AC_ENC_INDEX(run, 65)];
3496 if(prev_level){
3497 score += last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
3498 - length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
3499 }
3500 }
3501 }
3502
3503 score *= lambda;
3504
3505 unquant_change= new_coeff - old_coeff;
3506 assert((score < 100*lambda && score > -100*lambda) || lambda==0);
3507
3508 score+= s->dsp.try_8x8basis(rem, weight, basis[j], unquant_change);
3509 if(score<best_score){
3510 best_score= score;
3511 best_coeff= i;
3512 best_change= change;
3513 best_unquant_change= unquant_change;
3514 }
3515 }
3516 if(level){
3517 prev_level= level + 64;
3518 if(prev_level&(~127))
3519 prev_level= 0;
3520 prev_run= run;
3521 run=0;
3522 }else{
3523 run++;
3524 }
3525 }
3526#ifdef REFINE_STATS
3527STOP_TIMER("iterative step")}
3528#endif
3529
3530 if(best_change){
3531 int j= perm_scantable[ best_coeff ];
3532
3533 block[j] += best_change;
3534
3535 if(best_coeff > last_non_zero){
3536 last_non_zero= best_coeff;
3537 assert(block[j]);
3538#ifdef REFINE_STATS
3539after_last++;
3540#endif
3541 }else{
3542#ifdef REFINE_STATS
3543if(block[j]){
3544 if(block[j] - best_change){
3545 if(FFABS(block[j]) > FFABS(block[j] - best_change)){
3546 raise++;
3547 }else{
3548 lower++;
3549 }
3550 }else{
3551 from_zero++;
3552 }
3553}else{
3554 to_zero++;
3555}
3556#endif
3557 for(; last_non_zero>=start_i; last_non_zero--){
3558 if(block[perm_scantable[last_non_zero]])
3559 break;
3560 }
3561 }
3562#ifdef REFINE_STATS
3563count++;
3564if(256*256*256*64 % count == 0){
3565 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);
3566}
3567#endif
3568 run=0;
3569 rle_index=0;
3570 for(i=start_i; i<=last_non_zero; i++){
3571 int j= perm_scantable[i];
3572 const int level= block[j];
3573
3574 if(level){
3575 run_tab[rle_index++]=run;
3576 run=0;
3577 }else{
3578 run++;
3579 }
3580 }
3581
3582 s->dsp.add_8x8basis(rem, basis[j], best_unquant_change);
3583 }else{
3584 break;
3585 }
3586 }
3587#ifdef REFINE_STATS
3588if(last_non_zero>0){
3589STOP_TIMER("iterative search")
3590}
3591}
3592#endif
3593
3594 return last_non_zero;
3595}
3596
3597int dct_quantize_c(MpegEncContext *s,
3598 DCTELEM *block, int n,
3599 int qscale, int *overflow)
3600{
3601 int i, j, level, last_non_zero, q, start_i;
3602 const int *qmat;
3603 const uint8_t *scantable= s->intra_scantable.scantable;
3604 int bias;
3605 int max=0;
3606 unsigned int threshold1, threshold2;
3607
3608 s->dsp.fdct (block);
3609
3610 if(s->dct_error_sum)
3611 s->denoise_dct(s, block);
3612
3613 if (s->mb_intra) {
3614 if (!s->h263_aic) {
3615 if (n < 4)
3616 q = s->y_dc_scale;
3617 else
3618 q = s->c_dc_scale;
3619 q = q << 3;
3620 } else
3621 /* For AIC we skip quant/dequant of INTRADC */
3622 q = 1 << 3;
3623
3624 /* note: block[0] is assumed to be positive */
3625 block[0] = (block[0] + (q >> 1)) / q;
3626 start_i = 1;
3627 last_non_zero = 0;
3628 qmat = s->q_intra_matrix[qscale];
3629 bias= s->intra_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT);
3630 } else {
3631 start_i = 0;
3632 last_non_zero = -1;
3633 qmat = s->q_inter_matrix[qscale];
3634 bias= s->inter_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT);
3635 }
3636 threshold1= (1<<QMAT_SHIFT) - bias - 1;
3637 threshold2= (threshold1<<1);
3638 for(i=63;i>=start_i;i--) {
3639 j = scantable[i];
3640 level = block[j] * qmat[j];
3641
3642 if(((unsigned)(level+threshold1))>threshold2){
3643 last_non_zero = i;
3644 break;
3645 }else{
3646 block[j]=0;
3647 }
3648 }
3649 for(i=start_i; i<=last_non_zero; i++) {
3650 j = scantable[i];
3651 level = block[j] * qmat[j];
3652
3653// if( bias+level >= (1<<QMAT_SHIFT)
3654// || bias-level >= (1<<QMAT_SHIFT)){
3655 if(((unsigned)(level+threshold1))>threshold2){
3656 if(level>0){
3657 level= (bias + level)>>QMAT_SHIFT;
3658 block[j]= level;
3659 }else{
3660 level= (bias - level)>>QMAT_SHIFT;
3661 block[j]= -level;
3662 }
3663 max |=level;
3664 }else{
3665 block[j]=0;
3666 }
3667 }
3668 *overflow= s->max_qcoeff < max; //overflow might have happened
3669
3670 /* we need this permutation so that we correct the IDCT, we only permute the !=0 elements */
3671 if (s->dsp.idct_permutation_type != FF_NO_IDCT_PERM)
3672 ff_block_permute(block, s->dsp.idct_permutation, scantable, last_non_zero);
3673
3674 return last_non_zero;
3675}
3676
3677AVCodec h263_encoder = {
3678 "h263",
3679 CODEC_TYPE_VIDEO,
3680 CODEC_ID_H263,
3681 sizeof(MpegEncContext),
3682 MPV_encode_init,
3683 MPV_encode_picture,
3684 MPV_encode_end,
3685 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3686};
3687
3688AVCodec h263p_encoder = {
3689 "h263p",
3690 CODEC_TYPE_VIDEO,
3691 CODEC_ID_H263P,
3692 sizeof(MpegEncContext),
3693 MPV_encode_init,
3694 MPV_encode_picture,
3695 MPV_encode_end,
3696 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3697};
3698
3699AVCodec flv_encoder = {
3700 "flv",
3701 CODEC_TYPE_VIDEO,
3702 CODEC_ID_FLV1,
3703 sizeof(MpegEncContext),
3704 MPV_encode_init,
3705 MPV_encode_picture,
3706 MPV_encode_end,
3707 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3708};
3709
3710AVCodec rv10_encoder = {
3711 "rv10",
3712 CODEC_TYPE_VIDEO,
3713 CODEC_ID_RV10,
3714 sizeof(MpegEncContext),
3715 MPV_encode_init,
3716 MPV_encode_picture,
3717 MPV_encode_end,
3718 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3719};
3720
3721AVCodec rv20_encoder = {
3722 "rv20",
3723 CODEC_TYPE_VIDEO,
3724 CODEC_ID_RV20,
3725 sizeof(MpegEncContext),
3726 MPV_encode_init,
3727 MPV_encode_picture,
3728 MPV_encode_end,
3729 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3730};
3731
3732AVCodec mpeg4_encoder = {
3733 "mpeg4",
3734 CODEC_TYPE_VIDEO,
3735 CODEC_ID_MPEG4,
3736 sizeof(MpegEncContext),
3737 MPV_encode_init,
3738 MPV_encode_picture,
3739 MPV_encode_end,
3740 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3741 .capabilities= CODEC_CAP_DELAY,
3742};
3743
3744AVCodec msmpeg4v1_encoder = {
3745 "msmpeg4v1",
3746 CODEC_TYPE_VIDEO,
3747 CODEC_ID_MSMPEG4V1,
3748 sizeof(MpegEncContext),
3749 MPV_encode_init,
3750 MPV_encode_picture,
3751 MPV_encode_end,
3752 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3753};
3754
3755AVCodec msmpeg4v2_encoder = {
3756 "msmpeg4v2",
3757 CODEC_TYPE_VIDEO,
3758 CODEC_ID_MSMPEG4V2,
3759 sizeof(MpegEncContext),
3760 MPV_encode_init,
3761 MPV_encode_picture,
3762 MPV_encode_end,
3763 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3764};
3765
3766AVCodec msmpeg4v3_encoder = {
3767 "msmpeg4",
3768 CODEC_TYPE_VIDEO,
3769 CODEC_ID_MSMPEG4V3,
3770 sizeof(MpegEncContext),
3771 MPV_encode_init,
3772 MPV_encode_picture,
3773 MPV_encode_end,
3774 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3775};
3776
3777AVCodec wmv1_encoder = {
3778 "wmv1",
3779 CODEC_TYPE_VIDEO,
3780 CODEC_ID_WMV1,
3781 sizeof(MpegEncContext),
3782 MPV_encode_init,
3783 MPV_encode_picture,
3784 MPV_encode_end,
3785 .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3786};