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avconv: move *_disable to options context.
[libav.git] / avconv.c
1 /*
2 * avconv main
3 * Copyright (c) 2000-2011 The libav developers.
4 *
5 * This file is part of Libav.
6 *
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #include "config.h"
23 #include <ctype.h>
24 #include <string.h>
25 #include <math.h>
26 #include <stdlib.h>
27 #include <errno.h>
28 #include <signal.h>
29 #include <limits.h>
30 #include <unistd.h>
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavformat/os_support.h"
48
49 #if CONFIG_AVFILTER
50 # include "libavfilter/avfilter.h"
51 # include "libavfilter/avfiltergraph.h"
52 # include "libavfilter/vsrc_buffer.h"
53 #endif
54
55 #if HAVE_SYS_RESOURCE_H
56 #include <sys/types.h>
57 #include <sys/time.h>
58 #include <sys/resource.h>
59 #elif HAVE_GETPROCESSTIMES
60 #include <windows.h>
61 #endif
62 #if HAVE_GETPROCESSMEMORYINFO
63 #include <windows.h>
64 #include <psapi.h>
65 #endif
66
67 #if HAVE_SYS_SELECT_H
68 #include <sys/select.h>
69 #endif
70
71 #include <time.h>
72
73 #include "cmdutils.h"
74
75 #include "libavutil/avassert.h"
76
77 const char program_name[] = "avconv";
78 const int program_birth_year = 2000;
79
80 /* select an input stream for an output stream */
81 typedef struct StreamMap {
82 int disabled; /** 1 is this mapping is disabled by a negative map */
83 int file_index;
84 int stream_index;
85 int sync_file_index;
86 int sync_stream_index;
87 } StreamMap;
88
89 /**
90 * select an input file for an output file
91 */
92 typedef struct MetadataMap {
93 int file; ///< file index
94 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
95 int index; ///< stream/chapter/program number
96 } MetadataMap;
97
98 static const OptionDef options[];
99
100 /* indexed by output file stream index */
101 static int *streamid_map = NULL;
102 static int nb_streamid_map = 0;
103
104 static int frame_width = 0;
105 static int frame_height = 0;
106 static float frame_aspect_ratio = 0;
107 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
108 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
109 static AVRational frame_rate;
110 static float video_qscale = 0;
111 static uint16_t *intra_matrix = NULL;
112 static uint16_t *inter_matrix = NULL;
113 static const char *video_rc_override_string=NULL;
114 static int video_discard = 0;
115 static int same_quant = 0;
116 static int do_deinterlace = 0;
117 static int top_field_first = -1;
118 static int me_threshold = 0;
119 static int intra_dc_precision = 8;
120 static int qp_hist = 0;
121 #if CONFIG_AVFILTER
122 static char *vfilters = NULL;
123 #endif
124
125 static int audio_sample_rate = 0;
126 #define QSCALE_NONE -99999
127 static float audio_qscale = QSCALE_NONE;
128 static int audio_channels = 0;
129
130 static int file_overwrite = 0;
131 static int do_benchmark = 0;
132 static int do_hex_dump = 0;
133 static int do_pkt_dump = 0;
134 static int do_psnr = 0;
135 static int do_pass = 0;
136 static char *pass_logfilename_prefix = NULL;
137 static int video_sync_method= -1;
138 static int audio_sync_method= 0;
139 static float audio_drift_threshold= 0.1;
140 static int copy_ts= 0;
141 static int copy_tb;
142 static int opt_shortest = 0;
143 static char *vstats_filename;
144 static FILE *vstats_file;
145 static int opt_programid = 0;
146 static int copy_initial_nonkeyframes = 0;
147
148 static int audio_volume = 256;
149
150 static int exit_on_error = 0;
151 static int using_stdin = 0;
152 static int verbose = 1;
153 static int64_t video_size = 0;
154 static int64_t audio_size = 0;
155 static int64_t extra_size = 0;
156 static int nb_frames_dup = 0;
157 static int nb_frames_drop = 0;
158 static int input_sync;
159 static int force_fps = 0;
160 static char *forced_key_frames = NULL;
161
162 static float dts_delta_threshold = 10;
163
164 static uint8_t *audio_buf;
165 static uint8_t *audio_out;
166 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
167
168 static short *samples;
169
170 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
171
172 typedef struct InputStream {
173 int file_index;
174 AVStream *st;
175 int discard; /* true if stream data should be discarded */
176 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
177 AVCodec *dec;
178
179 int64_t start; /* time when read started */
180 int64_t next_pts; /* synthetic pts for cases where pkt.pts
181 is not defined */
182 int64_t pts; /* current pts */
183 PtsCorrectionContext pts_ctx;
184 double ts_scale;
185 int is_start; /* is 1 at the start and after a discontinuity */
186 int showed_multi_packet_warning;
187 AVDictionary *opts;
188 } InputStream;
189
190 typedef struct InputFile {
191 AVFormatContext *ctx;
192 int eof_reached; /* true if eof reached */
193 int ist_index; /* index of first stream in ist_table */
194 int buffer_size; /* current total buffer size */
195 int64_t ts_offset;
196 int nb_streams; /* number of stream that avconv is aware of; may be different
197 from ctx.nb_streams if new streams appear during av_read_frame() */
198 int rate_emu;
199 } InputFile;
200
201 typedef struct OutputStream {
202 int file_index; /* file index */
203 int index; /* stream index in the output file */
204 int source_index; /* InputStream index */
205 AVStream *st; /* stream in the output file */
206 int encoding_needed; /* true if encoding needed for this stream */
207 int frame_number;
208 /* input pts and corresponding output pts
209 for A/V sync */
210 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
211 struct InputStream *sync_ist; /* input stream to sync against */
212 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
213 AVBitStreamFilterContext *bitstream_filters;
214 AVCodec *enc;
215 int64_t max_frames;
216
217 /* video only */
218 int video_resample;
219 AVFrame pict_tmp; /* temporary image for resampling */
220 struct SwsContext *img_resample_ctx; /* for image resampling */
221 int resample_height;
222 int resample_width;
223 int resample_pix_fmt;
224 AVRational frame_rate;
225
226 float frame_aspect_ratio;
227
228 /* forced key frames */
229 int64_t *forced_kf_pts;
230 int forced_kf_count;
231 int forced_kf_index;
232
233 /* audio only */
234 int audio_resample;
235 ReSampleContext *resample; /* for audio resampling */
236 int resample_sample_fmt;
237 int resample_channels;
238 int resample_sample_rate;
239 int reformat_pair;
240 AVAudioConvert *reformat_ctx;
241 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
242 FILE *logfile;
243
244 #if CONFIG_AVFILTER
245 AVFilterContext *output_video_filter;
246 AVFilterContext *input_video_filter;
247 AVFilterBufferRef *picref;
248 char *avfilter;
249 AVFilterGraph *graph;
250 #endif
251
252 int sws_flags;
253 AVDictionary *opts;
254 int is_past_recording_time;
255 } OutputStream;
256
257
258 typedef struct OutputFile {
259 AVFormatContext *ctx;
260 AVDictionary *opts;
261 int ost_index; /* index of the first stream in output_streams */
262 int64_t recording_time; /* desired length of the resulting file in microseconds */
263 int64_t start_time; /* start time in microseconds */
264 uint64_t limit_filesize;
265 } OutputFile;
266
267 static InputStream *input_streams = NULL;
268 static int nb_input_streams = 0;
269 static InputFile *input_files = NULL;
270 static int nb_input_files = 0;
271
272 static OutputStream *output_streams = NULL;
273 static int nb_output_streams = 0;
274 static OutputFile *output_files = NULL;
275 static int nb_output_files = 0;
276
277 typedef struct OptionsContext {
278 /* input/output options */
279 int64_t start_time;
280 const char *format;
281
282 SpecifierOpt *codec_names;
283 int nb_codec_names;
284
285 /* input options */
286 int64_t input_ts_offset;
287 int rate_emu;
288
289 SpecifierOpt *ts_scale;
290 int nb_ts_scale;
291
292 /* output options */
293 StreamMap *stream_maps;
294 int nb_stream_maps;
295 /* first item specifies output metadata, second is input */
296 MetadataMap (*meta_data_maps)[2];
297 int nb_meta_data_maps;
298 int metadata_global_manual;
299 int metadata_streams_manual;
300 int metadata_chapters_manual;
301
302 int chapters_input_file;
303
304 int64_t recording_time;
305 uint64_t limit_filesize;
306 float mux_preload;
307 float mux_max_delay;
308
309 int video_disable;
310 int audio_disable;
311 int subtitle_disable;
312 int data_disable;
313
314 SpecifierOpt *metadata;
315 int nb_metadata;
316 SpecifierOpt *max_frames;
317 int nb_max_frames;
318 SpecifierOpt *bitstream_filters;
319 int nb_bitstream_filters;
320 SpecifierOpt *codec_tags;
321 int nb_codec_tags;
322 } OptionsContext;
323
324 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
325 {\
326 int i, ret;\
327 for (i = 0; i < o->nb_ ## name; i++) {\
328 char *spec = o->name[i].specifier;\
329 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
330 outvar = o->name[i].u.type;\
331 else if (ret < 0)\
332 exit_program(1);\
333 }\
334 }
335
336 static void reset_options(OptionsContext *o)
337 {
338 const OptionDef *po = options;
339
340 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
341 while (po->name) {
342 void *dst = (uint8_t*)o + po->u.off;
343
344 if (po->flags & OPT_SPEC) {
345 SpecifierOpt **so = dst;
346 int i, *count = (int*)(so + 1);
347 for (i = 0; i < *count; i++) {
348 av_freep(&(*so)[i].specifier);
349 if (po->flags & OPT_STRING)
350 av_freep(&(*so)[i].u.str);
351 }
352 av_freep(so);
353 *count = 0;
354 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
355 av_freep(dst);
356 po++;
357 }
358
359 av_freep(&o->stream_maps);
360 av_freep(&o->meta_data_maps);
361
362 memset(o, 0, sizeof(*o));
363
364 o->mux_preload = 0.5;
365 o->mux_max_delay = 0.7;
366 o->recording_time = INT64_MAX;
367 o->limit_filesize = UINT64_MAX;
368 o->chapters_input_file = INT_MAX;
369
370 uninit_opts();
371 init_opts();
372 }
373
374 #if CONFIG_AVFILTER
375
376 static int configure_video_filters(InputStream *ist, OutputStream *ost)
377 {
378 AVFilterContext *last_filter, *filter;
379 /** filter graph containing all filters including input & output */
380 AVCodecContext *codec = ost->st->codec;
381 AVCodecContext *icodec = ist->st->codec;
382 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
383 AVRational sample_aspect_ratio;
384 char args[255];
385 int ret;
386
387 ost->graph = avfilter_graph_alloc();
388
389 if (ist->st->sample_aspect_ratio.num){
390 sample_aspect_ratio = ist->st->sample_aspect_ratio;
391 }else
392 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
393
394 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
395 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
396 sample_aspect_ratio.num, sample_aspect_ratio.den);
397
398 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
399 "src", args, NULL, ost->graph);
400 if (ret < 0)
401 return ret;
402 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
403 "out", NULL, &ffsink_ctx, ost->graph);
404 if (ret < 0)
405 return ret;
406 last_filter = ost->input_video_filter;
407
408 if (codec->width != icodec->width || codec->height != icodec->height) {
409 snprintf(args, 255, "%d:%d:flags=0x%X",
410 codec->width,
411 codec->height,
412 ost->sws_flags);
413 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
414 NULL, args, NULL, ost->graph)) < 0)
415 return ret;
416 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
417 return ret;
418 last_filter = filter;
419 }
420
421 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
422 ost->graph->scale_sws_opts = av_strdup(args);
423
424 if (ost->avfilter) {
425 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
426 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
427
428 outputs->name = av_strdup("in");
429 outputs->filter_ctx = last_filter;
430 outputs->pad_idx = 0;
431 outputs->next = NULL;
432
433 inputs->name = av_strdup("out");
434 inputs->filter_ctx = ost->output_video_filter;
435 inputs->pad_idx = 0;
436 inputs->next = NULL;
437
438 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
439 return ret;
440 av_freep(&ost->avfilter);
441 } else {
442 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
443 return ret;
444 }
445
446 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
447 return ret;
448
449 codec->width = ost->output_video_filter->inputs[0]->w;
450 codec->height = ost->output_video_filter->inputs[0]->h;
451 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
452 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
453 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
454 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
455
456 return 0;
457 }
458 #endif /* CONFIG_AVFILTER */
459
460 static void term_exit(void)
461 {
462 av_log(NULL, AV_LOG_QUIET, "");
463 }
464
465 static volatile int received_sigterm = 0;
466 static volatile int received_nb_signals = 0;
467
468 static void
469 sigterm_handler(int sig)
470 {
471 received_sigterm = sig;
472 received_nb_signals++;
473 term_exit();
474 }
475
476 static void term_init(void)
477 {
478 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
479 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
480 #ifdef SIGXCPU
481 signal(SIGXCPU, sigterm_handler);
482 #endif
483 }
484
485 static int decode_interrupt_cb(void)
486 {
487 return received_nb_signals > 1;
488 }
489
490 void exit_program(int ret)
491 {
492 int i;
493
494 /* close files */
495 for(i=0;i<nb_output_files;i++) {
496 AVFormatContext *s = output_files[i].ctx;
497 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
498 avio_close(s->pb);
499 avformat_free_context(s);
500 av_dict_free(&output_files[i].opts);
501 }
502 for(i=0;i<nb_input_files;i++) {
503 av_close_input_file(input_files[i].ctx);
504 }
505 for (i = 0; i < nb_input_streams; i++)
506 av_dict_free(&input_streams[i].opts);
507
508 av_free(intra_matrix);
509 av_free(inter_matrix);
510
511 if (vstats_file)
512 fclose(vstats_file);
513 av_free(vstats_filename);
514
515 av_freep(&input_streams);
516 av_freep(&input_files);
517 av_freep(&output_streams);
518 av_freep(&output_files);
519
520 uninit_opts();
521 av_free(audio_buf);
522 av_free(audio_out);
523 allocated_audio_buf_size= allocated_audio_out_size= 0;
524 av_free(samples);
525
526 #if CONFIG_AVFILTER
527 avfilter_uninit();
528 #endif
529
530 if (received_sigterm) {
531 fprintf(stderr,
532 "Received signal %d: terminating.\n",
533 (int) received_sigterm);
534 exit (255);
535 }
536
537 exit(ret); /* not all OS-es handle main() return value */
538 }
539
540 static void assert_avoptions(AVDictionary *m)
541 {
542 AVDictionaryEntry *t;
543 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
544 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
545 exit_program(1);
546 }
547 }
548
549 static void assert_codec_experimental(AVCodecContext *c, int encoder)
550 {
551 const char *codec_string = encoder ? "encoder" : "decoder";
552 AVCodec *codec;
553 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
554 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
555 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
556 "results.\nAdd '-strict experimental' if you want to use it.\n",
557 codec_string, c->codec->name);
558 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
559 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
560 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
561 codec_string, codec->name);
562 exit_program(1);
563 }
564 }
565
566 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
567 {
568 if(codec && codec->sample_fmts){
569 const enum AVSampleFormat *p= codec->sample_fmts;
570 for(; *p!=-1; p++){
571 if(*p == st->codec->sample_fmt)
572 break;
573 }
574 if (*p == -1) {
575 av_log(NULL, AV_LOG_WARNING,
576 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
577 av_get_sample_fmt_name(st->codec->sample_fmt),
578 codec->name,
579 av_get_sample_fmt_name(codec->sample_fmts[0]));
580 st->codec->sample_fmt = codec->sample_fmts[0];
581 }
582 }
583 }
584
585 /**
586 * Update the requested input sample format based on the output sample format.
587 * This is currently only used to request float output from decoders which
588 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
589 * Ideally this will be removed in the future when decoders do not do format
590 * conversion and only output in their native format.
591 */
592 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
593 AVCodecContext *enc)
594 {
595 /* if sample formats match or a decoder sample format has already been
596 requested, just return */
597 if (enc->sample_fmt == dec->sample_fmt ||
598 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
599 return;
600
601 /* if decoder supports more than one output format */
602 if (dec_codec && dec_codec->sample_fmts &&
603 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
604 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
605 const enum AVSampleFormat *p;
606 int min_dec = -1, min_inc = -1;
607
608 /* find a matching sample format in the encoder */
609 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
610 if (*p == enc->sample_fmt) {
611 dec->request_sample_fmt = *p;
612 return;
613 } else if (*p > enc->sample_fmt) {
614 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
615 } else
616 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
617 }
618
619 /* if none match, provide the one that matches quality closest */
620 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
621 enc->sample_fmt - min_dec;
622 }
623 }
624
625 static void choose_sample_rate(AVStream *st, AVCodec *codec)
626 {
627 if(codec && codec->supported_samplerates){
628 const int *p= codec->supported_samplerates;
629 int best=0;
630 int best_dist=INT_MAX;
631 for(; *p; p++){
632 int dist= abs(st->codec->sample_rate - *p);
633 if(dist < best_dist){
634 best_dist= dist;
635 best= *p;
636 }
637 }
638 if(best_dist){
639 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
640 }
641 st->codec->sample_rate= best;
642 }
643 }
644
645 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
646 {
647 if(codec && codec->pix_fmts){
648 const enum PixelFormat *p= codec->pix_fmts;
649 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
650 if(st->codec->codec_id==CODEC_ID_MJPEG){
651 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
652 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
653 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE};
654 }
655 }
656 for(; *p!=-1; p++){
657 if(*p == st->codec->pix_fmt)
658 break;
659 }
660 if (*p == -1) {
661 if(st->codec->pix_fmt != PIX_FMT_NONE)
662 av_log(NULL, AV_LOG_WARNING,
663 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
664 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
665 codec->name,
666 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
667 st->codec->pix_fmt = codec->pix_fmts[0];
668 }
669 }
670 }
671
672 static double
673 get_sync_ipts(const OutputStream *ost)
674 {
675 const InputStream *ist = ost->sync_ist;
676 OutputFile *of = &output_files[ost->file_index];
677 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
678 }
679
680 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
681 int ret;
682
683 while(bsfc){
684 AVPacket new_pkt= *pkt;
685 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
686 &new_pkt.data, &new_pkt.size,
687 pkt->data, pkt->size,
688 pkt->flags & AV_PKT_FLAG_KEY);
689 if(a>0){
690 av_free_packet(pkt);
691 new_pkt.destruct= av_destruct_packet;
692 } else if(a<0){
693 fprintf(stderr, "%s failed for stream %d, codec %s",
694 bsfc->filter->name, pkt->stream_index,
695 avctx->codec ? avctx->codec->name : "copy");
696 print_error("", a);
697 if (exit_on_error)
698 exit_program(1);
699 }
700 *pkt= new_pkt;
701
702 bsfc= bsfc->next;
703 }
704
705 ret= av_interleaved_write_frame(s, pkt);
706 if(ret < 0){
707 print_error("av_interleaved_write_frame()", ret);
708 exit_program(1);
709 }
710 }
711
712 static void do_audio_out(AVFormatContext *s,
713 OutputStream *ost,
714 InputStream *ist,
715 unsigned char *buf, int size)
716 {
717 uint8_t *buftmp;
718 int64_t audio_out_size, audio_buf_size;
719 int64_t allocated_for_size= size;
720
721 int size_out, frame_bytes, ret, resample_changed;
722 AVCodecContext *enc= ost->st->codec;
723 AVCodecContext *dec= ist->st->codec;
724 int osize = av_get_bytes_per_sample(enc->sample_fmt);
725 int isize = av_get_bytes_per_sample(dec->sample_fmt);
726 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
727
728 need_realloc:
729 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
730 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
731 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
732 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
733 audio_buf_size*= osize*enc->channels;
734
735 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
736 if(coded_bps > 8*osize)
737 audio_out_size= audio_out_size * coded_bps / (8*osize);
738 audio_out_size += FF_MIN_BUFFER_SIZE;
739
740 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
741 fprintf(stderr, "Buffer sizes too large\n");
742 exit_program(1);
743 }
744
745 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
746 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
747 if (!audio_buf || !audio_out){
748 fprintf(stderr, "Out of memory in do_audio_out\n");
749 exit_program(1);
750 }
751
752 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
753 ost->audio_resample = 1;
754
755 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
756 ost->resample_channels != dec->channels ||
757 ost->resample_sample_rate != dec->sample_rate;
758
759 if ((ost->audio_resample && !ost->resample) || resample_changed) {
760 if (resample_changed) {
761 av_log(NULL, AV_LOG_INFO, "Input stream #%d.%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
762 ist->file_index, ist->st->index,
763 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
764 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
765 ost->resample_sample_fmt = dec->sample_fmt;
766 ost->resample_channels = dec->channels;
767 ost->resample_sample_rate = dec->sample_rate;
768 if (ost->resample)
769 audio_resample_close(ost->resample);
770 }
771 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
772 if (audio_sync_method <= 1 &&
773 ost->resample_sample_fmt == enc->sample_fmt &&
774 ost->resample_channels == enc->channels &&
775 ost->resample_sample_rate == enc->sample_rate) {
776 ost->resample = NULL;
777 ost->audio_resample = 0;
778 } else if (ost->audio_resample) {
779 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
780 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
781 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
782 enc->sample_rate, dec->sample_rate,
783 enc->sample_fmt, dec->sample_fmt,
784 16, 10, 0, 0.8);
785 if (!ost->resample) {
786 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
787 dec->channels, dec->sample_rate,
788 enc->channels, enc->sample_rate);
789 exit_program(1);
790 }
791 }
792 }
793
794 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
795 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
796 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
797 if (ost->reformat_ctx)
798 av_audio_convert_free(ost->reformat_ctx);
799 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
800 dec->sample_fmt, 1, NULL, 0);
801 if (!ost->reformat_ctx) {
802 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
803 av_get_sample_fmt_name(dec->sample_fmt),
804 av_get_sample_fmt_name(enc->sample_fmt));
805 exit_program(1);
806 }
807 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
808 }
809
810 if(audio_sync_method){
811 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
812 - av_fifo_size(ost->fifo)/(enc->channels * 2);
813 double idelta= delta*dec->sample_rate / enc->sample_rate;
814 int byte_delta= ((int)idelta)*2*dec->channels;
815
816 //FIXME resample delay
817 if(fabs(delta) > 50){
818 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
819 if(byte_delta < 0){
820 byte_delta= FFMAX(byte_delta, -size);
821 size += byte_delta;
822 buf -= byte_delta;
823 if(verbose > 2)
824 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
825 if(!size)
826 return;
827 ist->is_start=0;
828 }else{
829 static uint8_t *input_tmp= NULL;
830 input_tmp= av_realloc(input_tmp, byte_delta + size);
831
832 if(byte_delta > allocated_for_size - size){
833 allocated_for_size= byte_delta + (int64_t)size;
834 goto need_realloc;
835 }
836 ist->is_start=0;
837
838 memset(input_tmp, 0, byte_delta);
839 memcpy(input_tmp + byte_delta, buf, size);
840 buf= input_tmp;
841 size += byte_delta;
842 if(verbose > 2)
843 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
844 }
845 }else if(audio_sync_method>1){
846 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
847 av_assert0(ost->audio_resample);
848 if(verbose > 2)
849 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
850 // fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2));
851 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
852 }
853 }
854 }else
855 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
856 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
857
858 if (ost->audio_resample) {
859 buftmp = audio_buf;
860 size_out = audio_resample(ost->resample,
861 (short *)buftmp, (short *)buf,
862 size / (dec->channels * isize));
863 size_out = size_out * enc->channels * osize;
864 } else {
865 buftmp = buf;
866 size_out = size;
867 }
868
869 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
870 const void *ibuf[6]= {buftmp};
871 void *obuf[6]= {audio_buf};
872 int istride[6]= {isize};
873 int ostride[6]= {osize};
874 int len= size_out/istride[0];
875 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
876 printf("av_audio_convert() failed\n");
877 if (exit_on_error)
878 exit_program(1);
879 return;
880 }
881 buftmp = audio_buf;
882 size_out = len*osize;
883 }
884
885 /* now encode as many frames as possible */
886 if (enc->frame_size > 1) {
887 /* output resampled raw samples */
888 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
889 fprintf(stderr, "av_fifo_realloc2() failed\n");
890 exit_program(1);
891 }
892 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
893
894 frame_bytes = enc->frame_size * osize * enc->channels;
895
896 while (av_fifo_size(ost->fifo) >= frame_bytes) {
897 AVPacket pkt;
898 av_init_packet(&pkt);
899
900 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
901
902 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
903
904 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
905 (short *)audio_buf);
906 if (ret < 0) {
907 fprintf(stderr, "Audio encoding failed\n");
908 exit_program(1);
909 }
910 audio_size += ret;
911 pkt.stream_index= ost->index;
912 pkt.data= audio_out;
913 pkt.size= ret;
914 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
915 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
916 pkt.flags |= AV_PKT_FLAG_KEY;
917 write_frame(s, &pkt, enc, ost->bitstream_filters);
918
919 ost->sync_opts += enc->frame_size;
920 }
921 } else {
922 AVPacket pkt;
923 av_init_packet(&pkt);
924
925 ost->sync_opts += size_out / (osize * enc->channels);
926
927 /* output a pcm frame */
928 /* determine the size of the coded buffer */
929 size_out /= osize;
930 if (coded_bps)
931 size_out = size_out*coded_bps/8;
932
933 if(size_out > audio_out_size){
934 fprintf(stderr, "Internal error, buffer size too small\n");
935 exit_program(1);
936 }
937
938 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
939 ret = avcodec_encode_audio(enc, audio_out, size_out,
940 (short *)buftmp);
941 if (ret < 0) {
942 fprintf(stderr, "Audio encoding failed\n");
943 exit_program(1);
944 }
945 audio_size += ret;
946 pkt.stream_index= ost->index;
947 pkt.data= audio_out;
948 pkt.size= ret;
949 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
950 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
951 pkt.flags |= AV_PKT_FLAG_KEY;
952 write_frame(s, &pkt, enc, ost->bitstream_filters);
953 }
954 }
955
956 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
957 {
958 AVCodecContext *dec;
959 AVPicture *picture2;
960 AVPicture picture_tmp;
961 uint8_t *buf = 0;
962
963 dec = ist->st->codec;
964
965 /* deinterlace : must be done before any resize */
966 if (do_deinterlace) {
967 int size;
968
969 /* create temporary picture */
970 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
971 buf = av_malloc(size);
972 if (!buf)
973 return;
974
975 picture2 = &picture_tmp;
976 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
977
978 if(avpicture_deinterlace(picture2, picture,
979 dec->pix_fmt, dec->width, dec->height) < 0) {
980 /* if error, do not deinterlace */
981 fprintf(stderr, "Deinterlacing failed\n");
982 av_free(buf);
983 buf = NULL;
984 picture2 = picture;
985 }
986 } else {
987 picture2 = picture;
988 }
989
990 if (picture != picture2)
991 *picture = *picture2;
992 *bufp = buf;
993 }
994
995 static void do_subtitle_out(AVFormatContext *s,
996 OutputStream *ost,
997 InputStream *ist,
998 AVSubtitle *sub,
999 int64_t pts)
1000 {
1001 static uint8_t *subtitle_out = NULL;
1002 int subtitle_out_max_size = 1024 * 1024;
1003 int subtitle_out_size, nb, i;
1004 AVCodecContext *enc;
1005 AVPacket pkt;
1006
1007 if (pts == AV_NOPTS_VALUE) {
1008 fprintf(stderr, "Subtitle packets must have a pts\n");
1009 if (exit_on_error)
1010 exit_program(1);
1011 return;
1012 }
1013
1014 enc = ost->st->codec;
1015
1016 if (!subtitle_out) {
1017 subtitle_out = av_malloc(subtitle_out_max_size);
1018 }
1019
1020 /* Note: DVB subtitle need one packet to draw them and one other
1021 packet to clear them */
1022 /* XXX: signal it in the codec context ? */
1023 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1024 nb = 2;
1025 else
1026 nb = 1;
1027
1028 for(i = 0; i < nb; i++) {
1029 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1030 // start_display_time is required to be 0
1031 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1032 sub->end_display_time -= sub->start_display_time;
1033 sub->start_display_time = 0;
1034 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1035 subtitle_out_max_size, sub);
1036 if (subtitle_out_size < 0) {
1037 fprintf(stderr, "Subtitle encoding failed\n");
1038 exit_program(1);
1039 }
1040
1041 av_init_packet(&pkt);
1042 pkt.stream_index = ost->index;
1043 pkt.data = subtitle_out;
1044 pkt.size = subtitle_out_size;
1045 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1046 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1047 /* XXX: the pts correction is handled here. Maybe handling
1048 it in the codec would be better */
1049 if (i == 0)
1050 pkt.pts += 90 * sub->start_display_time;
1051 else
1052 pkt.pts += 90 * sub->end_display_time;
1053 }
1054 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1055 }
1056 }
1057
1058 static int bit_buffer_size= 1024*256;
1059 static uint8_t *bit_buffer= NULL;
1060
1061 static void do_video_resample(OutputStream *ost,
1062 InputStream *ist,
1063 AVFrame *in_picture,
1064 AVFrame **out_picture)
1065 {
1066 int resample_changed = 0;
1067 AVCodecContext *dec = ist->st->codec;
1068 *out_picture = in_picture;
1069
1070 resample_changed = ost->resample_width != dec->width ||
1071 ost->resample_height != dec->height ||
1072 ost->resample_pix_fmt != dec->pix_fmt;
1073
1074 if (resample_changed) {
1075 av_log(NULL, AV_LOG_INFO,
1076 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1077 ist->file_index, ist->st->index,
1078 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1079 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1080 if(!ost->video_resample)
1081 ost->video_resample = 1;
1082 }
1083
1084 #if !CONFIG_AVFILTER
1085 if (ost->video_resample) {
1086 *out_picture = &ost->pict_tmp;
1087 if (resample_changed) {
1088 /* initialize a new scaler context */
1089 sws_freeContext(ost->img_resample_ctx);
1090 ost->img_resample_ctx = sws_getContext(
1091 ist->st->codec->width,
1092 ist->st->codec->height,
1093 ist->st->codec->pix_fmt,
1094 ost->st->codec->width,
1095 ost->st->codec->height,
1096 ost->st->codec->pix_fmt,
1097 ost->sws_flags, NULL, NULL, NULL);
1098 if (ost->img_resample_ctx == NULL) {
1099 fprintf(stderr, "Cannot get resampling context\n");
1100 exit_program(1);
1101 }
1102 }
1103 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1104 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1105 }
1106 #else
1107 if (resample_changed) {
1108 avfilter_graph_free(&ost->graph);
1109 if (configure_video_filters(ist, ost)) {
1110 fprintf(stderr, "Error reinitializing filters!\n");
1111 exit_program(1);
1112 }
1113 }
1114 #endif
1115 if (resample_changed) {
1116 ost->resample_width = dec->width;
1117 ost->resample_height = dec->height;
1118 ost->resample_pix_fmt = dec->pix_fmt;
1119 }
1120 }
1121
1122
1123 static void do_video_out(AVFormatContext *s,
1124 OutputStream *ost,
1125 InputStream *ist,
1126 AVFrame *in_picture,
1127 int *frame_size, float quality)
1128 {
1129 int nb_frames, i, ret, format_video_sync;
1130 AVFrame *final_picture;
1131 AVCodecContext *enc;
1132 double sync_ipts;
1133
1134 enc = ost->st->codec;
1135
1136 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1137
1138 /* by default, we output a single frame */
1139 nb_frames = 1;
1140
1141 *frame_size = 0;
1142
1143 format_video_sync = video_sync_method;
1144 if (format_video_sync < 0)
1145 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1146
1147 if (format_video_sync) {
1148 double vdelta = sync_ipts - ost->sync_opts;
1149 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1150 if (vdelta < -1.1)
1151 nb_frames = 0;
1152 else if (format_video_sync == 2) {
1153 if(vdelta<=-0.6){
1154 nb_frames=0;
1155 }else if(vdelta>0.6)
1156 ost->sync_opts= lrintf(sync_ipts);
1157 }else if (vdelta > 1.1)
1158 nb_frames = lrintf(vdelta);
1159 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
1160 if (nb_frames == 0){
1161 ++nb_frames_drop;
1162 if (verbose>2)
1163 fprintf(stderr, "*** drop!\n");
1164 }else if (nb_frames > 1) {
1165 nb_frames_dup += nb_frames - 1;
1166 if (verbose>2)
1167 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1168 }
1169 }else
1170 ost->sync_opts= lrintf(sync_ipts);
1171
1172 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1173 if (nb_frames <= 0)
1174 return;
1175
1176 do_video_resample(ost, ist, in_picture, &final_picture);
1177
1178 /* duplicates frame if needed */
1179 for(i=0;i<nb_frames;i++) {
1180 AVPacket pkt;
1181 av_init_packet(&pkt);
1182 pkt.stream_index= ost->index;
1183
1184 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1185 /* raw pictures are written as AVPicture structure to
1186 avoid any copies. We support temporarily the older
1187 method. */
1188 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1189 enc->coded_frame->top_field_first = in_picture->top_field_first;
1190 pkt.data= (uint8_t *)final_picture;
1191 pkt.size= sizeof(AVPicture);
1192 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1193 pkt.flags |= AV_PKT_FLAG_KEY;
1194
1195 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1196 } else {
1197 AVFrame big_picture;
1198
1199 big_picture= *final_picture;
1200 /* better than nothing: use input picture interlaced
1201 settings */
1202 big_picture.interlaced_frame = in_picture->interlaced_frame;
1203 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1204 if(top_field_first == -1)
1205 big_picture.top_field_first = in_picture->top_field_first;
1206 else
1207 big_picture.top_field_first = top_field_first;
1208 }
1209
1210 /* handles same_quant here. This is not correct because it may
1211 not be a global option */
1212 big_picture.quality = quality;
1213 if(!me_threshold)
1214 big_picture.pict_type = 0;
1215 // big_picture.pts = AV_NOPTS_VALUE;
1216 big_picture.pts= ost->sync_opts;
1217 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1218 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1219 if (ost->forced_kf_index < ost->forced_kf_count &&
1220 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1221 big_picture.pict_type = AV_PICTURE_TYPE_I;
1222 ost->forced_kf_index++;
1223 }
1224 ret = avcodec_encode_video(enc,
1225 bit_buffer, bit_buffer_size,
1226 &big_picture);
1227 if (ret < 0) {
1228 fprintf(stderr, "Video encoding failed\n");
1229 exit_program(1);
1230 }
1231
1232 if(ret>0){
1233 pkt.data= bit_buffer;
1234 pkt.size= ret;
1235 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1236 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1237 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1238 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1239 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1240
1241 if(enc->coded_frame->key_frame)
1242 pkt.flags |= AV_PKT_FLAG_KEY;
1243 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1244 *frame_size = ret;
1245 video_size += ret;
1246 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1247 // enc->frame_number-1, ret, enc->pict_type);
1248 /* if two pass, output log */
1249 if (ost->logfile && enc->stats_out) {
1250 fprintf(ost->logfile, "%s", enc->stats_out);
1251 }
1252 }
1253 }
1254 ost->sync_opts++;
1255 ost->frame_number++;
1256 }
1257 }
1258
1259 static double psnr(double d){
1260 return -10.0*log(d)/log(10.0);
1261 }
1262
1263 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1264 int frame_size)
1265 {
1266 AVCodecContext *enc;
1267 int frame_number;
1268 double ti1, bitrate, avg_bitrate;
1269
1270 /* this is executed just the first time do_video_stats is called */
1271 if (!vstats_file) {
1272 vstats_file = fopen(vstats_filename, "w");
1273 if (!vstats_file) {
1274 perror("fopen");
1275 exit_program(1);
1276 }
1277 }
1278
1279 enc = ost->st->codec;
1280 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1281 frame_number = ost->frame_number;
1282 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1283 if (enc->flags&CODEC_FLAG_PSNR)
1284 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1285
1286 fprintf(vstats_file,"f_size= %6d ", frame_size);
1287 /* compute pts value */
1288 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1289 if (ti1 < 0.01)
1290 ti1 = 0.01;
1291
1292 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1293 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1294 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1295 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1296 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1297 }
1298 }
1299
1300 static void print_report(OutputFile *output_files,
1301 OutputStream *ost_table, int nb_ostreams,
1302 int is_last_report, int64_t timer_start)
1303 {
1304 char buf[1024];
1305 OutputStream *ost;
1306 AVFormatContext *oc;
1307 int64_t total_size;
1308 AVCodecContext *enc;
1309 int frame_number, vid, i;
1310 double bitrate, ti1, pts;
1311 static int64_t last_time = -1;
1312 static int qp_histogram[52];
1313
1314 if (!is_last_report) {
1315 int64_t cur_time;
1316 /* display the report every 0.5 seconds */
1317 cur_time = av_gettime();
1318 if (last_time == -1) {
1319 last_time = cur_time;
1320 return;
1321 }
1322 if ((cur_time - last_time) < 500000)
1323 return;
1324 last_time = cur_time;
1325 }
1326
1327
1328 oc = output_files[0].ctx;
1329
1330 total_size = avio_size(oc->pb);
1331 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1332 total_size= avio_tell(oc->pb);
1333
1334 buf[0] = '\0';
1335 ti1 = 1e10;
1336 vid = 0;
1337 for(i=0;i<nb_ostreams;i++) {
1338 float q = -1;
1339 ost = &ost_table[i];
1340 enc = ost->st->codec;
1341 if (!ost->st->stream_copy && enc->coded_frame)
1342 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1343 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1344 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1345 }
1346 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1347 float t = (av_gettime()-timer_start) / 1000000.0;
1348
1349 frame_number = ost->frame_number;
1350 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1351 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1352 if(is_last_report)
1353 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1354 if(qp_hist){
1355 int j;
1356 int qp = lrintf(q);
1357 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1358 qp_histogram[qp]++;
1359 for(j=0; j<32; j++)
1360 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1361 }
1362 if (enc->flags&CODEC_FLAG_PSNR){
1363 int j;
1364 double error, error_sum=0;
1365 double scale, scale_sum=0;
1366 char type[3]= {'Y','U','V'};
1367 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1368 for(j=0; j<3; j++){
1369 if(is_last_report){
1370 error= enc->error[j];
1371 scale= enc->width*enc->height*255.0*255.0*frame_number;
1372 }else{
1373 error= enc->coded_frame->error[j];
1374 scale= enc->width*enc->height*255.0*255.0;
1375 }
1376 if(j) scale/=4;
1377 error_sum += error;
1378 scale_sum += scale;
1379 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1380 }
1381 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1382 }
1383 vid = 1;
1384 }
1385 /* compute min output value */
1386 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1387 if ((pts < ti1) && (pts > 0))
1388 ti1 = pts;
1389 }
1390 if (ti1 < 0.01)
1391 ti1 = 0.01;
1392
1393 if (verbose > 0 || is_last_report) {
1394 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1395
1396 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1397 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1398 (double)total_size / 1024, ti1, bitrate);
1399
1400 if (nb_frames_dup || nb_frames_drop)
1401 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1402 nb_frames_dup, nb_frames_drop);
1403
1404 if (verbose >= 0)
1405 fprintf(stderr, "%s \r", buf);
1406
1407 fflush(stderr);
1408 }
1409
1410 if (is_last_report && verbose >= 0){
1411 int64_t raw= audio_size + video_size + extra_size;
1412 fprintf(stderr, "\n");
1413 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1414 video_size/1024.0,
1415 audio_size/1024.0,
1416 extra_size/1024.0,
1417 100.0*(total_size - raw)/raw
1418 );
1419 }
1420 }
1421
1422 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1423 {
1424 int fill_char = 0x00;
1425 if (sample_fmt == AV_SAMPLE_FMT_U8)
1426 fill_char = 0x80;
1427 memset(buf, fill_char, size);
1428 }
1429
1430 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1431 {
1432 int i, ret;
1433
1434 for (i = 0; i < nb_ostreams; i++) {
1435 OutputStream *ost = &ost_table[i];
1436 AVCodecContext *enc = ost->st->codec;
1437 AVFormatContext *os = output_files[ost->file_index].ctx;
1438
1439 if (!ost->encoding_needed)
1440 continue;
1441
1442 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1443 continue;
1444 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1445 continue;
1446
1447 for(;;) {
1448 AVPacket pkt;
1449 int fifo_bytes;
1450 av_init_packet(&pkt);
1451 pkt.stream_index= ost->index;
1452
1453 switch (ost->st->codec->codec_type) {
1454 case AVMEDIA_TYPE_AUDIO:
1455 fifo_bytes = av_fifo_size(ost->fifo);
1456 ret = 0;
1457 /* encode any samples remaining in fifo */
1458 if (fifo_bytes > 0) {
1459 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1460 int fs_tmp = enc->frame_size;
1461
1462 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1463 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1464 enc->frame_size = fifo_bytes / (osize * enc->channels);
1465 } else { /* pad */
1466 int frame_bytes = enc->frame_size*osize*enc->channels;
1467 if (allocated_audio_buf_size < frame_bytes)
1468 exit_program(1);
1469 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1470 }
1471
1472 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1473 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1474 ost->st->time_base.num, enc->sample_rate);
1475 enc->frame_size = fs_tmp;
1476 }
1477 if (ret <= 0) {
1478 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1479 }
1480 if (ret < 0) {
1481 fprintf(stderr, "Audio encoding failed\n");
1482 exit_program(1);
1483 }
1484 audio_size += ret;
1485 pkt.flags |= AV_PKT_FLAG_KEY;
1486 break;
1487 case AVMEDIA_TYPE_VIDEO:
1488 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1489 if (ret < 0) {
1490 fprintf(stderr, "Video encoding failed\n");
1491 exit_program(1);
1492 }
1493 video_size += ret;
1494 if(enc->coded_frame && enc->coded_frame->key_frame)
1495 pkt.flags |= AV_PKT_FLAG_KEY;
1496 if (ost->logfile && enc->stats_out) {
1497 fprintf(ost->logfile, "%s", enc->stats_out);
1498 }
1499 break;
1500 default:
1501 ret=-1;
1502 }
1503
1504 if (ret <= 0)
1505 break;
1506 pkt.data = bit_buffer;
1507 pkt.size = ret;
1508 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1509 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1510 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1511 }
1512 }
1513 }
1514
1515 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1516 static int output_packet(InputStream *ist, int ist_index,
1517 OutputStream *ost_table, int nb_ostreams,
1518 const AVPacket *pkt)
1519 {
1520 AVFormatContext *os;
1521 OutputStream *ost;
1522 int ret, i;
1523 int got_output;
1524 AVFrame picture;
1525 void *buffer_to_free = NULL;
1526 static unsigned int samples_size= 0;
1527 AVSubtitle subtitle, *subtitle_to_free;
1528 int64_t pkt_pts = AV_NOPTS_VALUE;
1529 #if CONFIG_AVFILTER
1530 int frame_available;
1531 #endif
1532 float quality;
1533
1534 AVPacket avpkt;
1535 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1536
1537 if(ist->next_pts == AV_NOPTS_VALUE)
1538 ist->next_pts= ist->pts;
1539
1540 if (pkt == NULL) {
1541 /* EOF handling */
1542 av_init_packet(&avpkt);
1543 avpkt.data = NULL;
1544 avpkt.size = 0;
1545 goto handle_eof;
1546 } else {
1547 avpkt = *pkt;
1548 }
1549
1550 if(pkt->dts != AV_NOPTS_VALUE)
1551 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1552 if(pkt->pts != AV_NOPTS_VALUE)
1553 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1554
1555 //while we have more to decode or while the decoder did output something on EOF
1556 while (avpkt.size > 0 || (!pkt && got_output)) {
1557 uint8_t *data_buf, *decoded_data_buf;
1558 int data_size, decoded_data_size;
1559 handle_eof:
1560 ist->pts= ist->next_pts;
1561
1562 if(avpkt.size && avpkt.size != pkt->size &&
1563 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1564 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1565 ist->showed_multi_packet_warning=1;
1566 }
1567
1568 /* decode the packet if needed */
1569 decoded_data_buf = NULL; /* fail safe */
1570 decoded_data_size= 0;
1571 data_buf = avpkt.data;
1572 data_size = avpkt.size;
1573 subtitle_to_free = NULL;
1574 if (ist->decoding_needed) {
1575 switch(ist->st->codec->codec_type) {
1576 case AVMEDIA_TYPE_AUDIO:{
1577 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1578 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1579 av_free(samples);
1580 samples= av_malloc(samples_size);
1581 }
1582 decoded_data_size= samples_size;
1583 /* XXX: could avoid copy if PCM 16 bits with same
1584 endianness as CPU */
1585 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1586 &avpkt);
1587 if (ret < 0)
1588 return ret;
1589 avpkt.data += ret;
1590 avpkt.size -= ret;
1591 data_size = ret;
1592 got_output = decoded_data_size > 0;
1593 /* Some bug in mpeg audio decoder gives */
1594 /* decoded_data_size < 0, it seems they are overflows */
1595 if (!got_output) {
1596 /* no audio frame */
1597 continue;
1598 }
1599 decoded_data_buf = (uint8_t *)samples;
1600 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1601 (ist->st->codec->sample_rate * ist->st->codec->channels);
1602 break;}
1603 case AVMEDIA_TYPE_VIDEO:
1604 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1605 /* XXX: allocate picture correctly */
1606 avcodec_get_frame_defaults(&picture);
1607 avpkt.pts = pkt_pts;
1608 avpkt.dts = ist->pts;
1609 pkt_pts = AV_NOPTS_VALUE;
1610
1611 ret = avcodec_decode_video2(ist->st->codec,
1612 &picture, &got_output, &avpkt);
1613 quality = same_quant ? picture.quality : 0;
1614 if (ret < 0)
1615 return ret;
1616 if (!got_output) {
1617 /* no picture yet */
1618 goto discard_packet;
1619 }
1620 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1621 if (ist->st->codec->time_base.num != 0) {
1622 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1623 ist->next_pts += ((int64_t)AV_TIME_BASE *
1624 ist->st->codec->time_base.num * ticks) /
1625 ist->st->codec->time_base.den;
1626 }
1627 avpkt.size = 0;
1628 buffer_to_free = NULL;
1629 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1630 break;
1631 case AVMEDIA_TYPE_SUBTITLE:
1632 ret = avcodec_decode_subtitle2(ist->st->codec,
1633 &subtitle, &got_output, &avpkt);
1634 if (ret < 0)
1635 return ret;
1636 if (!got_output) {
1637 goto discard_packet;
1638 }
1639 subtitle_to_free = &subtitle;
1640 avpkt.size = 0;
1641 break;
1642 default:
1643 return -1;
1644 }
1645 } else {
1646 switch(ist->st->codec->codec_type) {
1647 case AVMEDIA_TYPE_AUDIO:
1648 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1649 ist->st->codec->sample_rate;
1650 break;
1651 case AVMEDIA_TYPE_VIDEO:
1652 if (ist->st->codec->time_base.num != 0) {
1653 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1654 ist->next_pts += ((int64_t)AV_TIME_BASE *
1655 ist->st->codec->time_base.num * ticks) /
1656 ist->st->codec->time_base.den;
1657 }
1658 break;
1659 }
1660 avpkt.size = 0;
1661 }
1662
1663 // preprocess audio (volume)
1664 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1665 if (audio_volume != 256) {
1666 short *volp;
1667 volp = samples;
1668 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1669 int v = ((*volp) * audio_volume + 128) >> 8;
1670 *volp++ = av_clip_int16(v);
1671 }
1672 }
1673 }
1674
1675 /* frame rate emulation */
1676 if (input_files[ist->file_index].rate_emu) {
1677 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1678 int64_t now = av_gettime() - ist->start;
1679 if (pts > now)
1680 usleep(pts - now);
1681 }
1682 /* if output time reached then transcode raw format,
1683 encode packets and output them */
1684 for (i = 0; i < nb_ostreams; i++) {
1685 OutputFile *of = &output_files[ost_table[i].file_index];
1686 int frame_size;
1687
1688 ost = &ost_table[i];
1689 if (ost->source_index != ist_index)
1690 continue;
1691
1692 if (of->start_time && ist->pts < of->start_time)
1693 continue;
1694
1695 if (of->recording_time != INT64_MAX &&
1696 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1697 (AVRational){1, 1000000}) >= 0) {
1698 ost->is_past_recording_time = 1;
1699 continue;
1700 }
1701
1702 #if CONFIG_AVFILTER
1703 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1704 ost->input_video_filter) {
1705 AVRational sar;
1706 if (ist->st->sample_aspect_ratio.num)
1707 sar = ist->st->sample_aspect_ratio;
1708 else
1709 sar = ist->st->codec->sample_aspect_ratio;
1710 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1711 }
1712 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1713 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1714 while (frame_available) {
1715 AVRational ist_pts_tb;
1716 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1717 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1718 if (ost->picref)
1719 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1720 #endif
1721 os = output_files[ost->file_index].ctx;
1722
1723 /* set the input output pts pairs */
1724 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1725
1726 if (ost->encoding_needed) {
1727 av_assert0(ist->decoding_needed);
1728 switch(ost->st->codec->codec_type) {
1729 case AVMEDIA_TYPE_AUDIO:
1730 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1731 break;
1732 case AVMEDIA_TYPE_VIDEO:
1733 #if CONFIG_AVFILTER
1734 if (ost->picref->video && !ost->frame_aspect_ratio)
1735 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1736 #endif
1737 do_video_out(os, ost, ist, &picture, &frame_size,
1738 same_quant ? quality : ost->st->codec->global_quality);
1739 if (vstats_filename && frame_size)
1740 do_video_stats(os, ost, frame_size);
1741 break;
1742 case AVMEDIA_TYPE_SUBTITLE:
1743 do_subtitle_out(os, ost, ist, &subtitle,
1744 pkt->pts);
1745 break;
1746 default:
1747 abort();
1748 }
1749 } else {
1750 AVFrame avframe; //FIXME/XXX remove this
1751 AVPacket opkt;
1752 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1753
1754 av_init_packet(&opkt);
1755
1756 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1757 #if !CONFIG_AVFILTER
1758 continue;
1759 #else
1760 goto cont;
1761 #endif
1762
1763 /* no reencoding needed : output the packet directly */
1764 /* force the input stream PTS */
1765
1766 avcodec_get_frame_defaults(&avframe);
1767 ost->st->codec->coded_frame= &avframe;
1768 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1769
1770 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1771 audio_size += data_size;
1772 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1773 video_size += data_size;
1774 ost->sync_opts++;
1775 }
1776
1777 opkt.stream_index= ost->index;
1778 if(pkt->pts != AV_NOPTS_VALUE)
1779 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1780 else
1781 opkt.pts= AV_NOPTS_VALUE;
1782
1783 if (pkt->dts == AV_NOPTS_VALUE)
1784 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1785 else
1786 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1787 opkt.dts -= ost_tb_start_time;
1788
1789 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1790 opkt.flags= pkt->flags;
1791
1792 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1793 if( ost->st->codec->codec_id != CODEC_ID_H264
1794 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1795 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1796 ) {
1797 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1798 opkt.destruct= av_destruct_packet;
1799 } else {
1800 opkt.data = data_buf;
1801 opkt.size = data_size;
1802 }
1803
1804 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1805 ost->st->codec->frame_number++;
1806 ost->frame_number++;
1807 av_free_packet(&opkt);
1808 }
1809 #if CONFIG_AVFILTER
1810 cont:
1811 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1812 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1813 if (ost->picref)
1814 avfilter_unref_buffer(ost->picref);
1815 }
1816 #endif
1817 }
1818
1819 av_free(buffer_to_free);
1820 /* XXX: allocate the subtitles in the codec ? */
1821 if (subtitle_to_free) {
1822 avsubtitle_free(subtitle_to_free);
1823 subtitle_to_free = NULL;
1824 }
1825 }
1826 discard_packet:
1827
1828 return 0;
1829 }
1830
1831 static void print_sdp(OutputFile *output_files, int n)
1832 {
1833 char sdp[2048];
1834 int i;
1835 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1836
1837 if (!avc)
1838 exit_program(1);
1839 for (i = 0; i < n; i++)
1840 avc[i] = output_files[i].ctx;
1841
1842 av_sdp_create(avc, n, sdp, sizeof(sdp));
1843 printf("SDP:\n%s\n", sdp);
1844 fflush(stdout);
1845 av_freep(&avc);
1846 }
1847
1848 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1849 char *error, int error_len)
1850 {
1851 int i;
1852 InputStream *ist = &input_streams[ist_index];
1853 if (ist->decoding_needed) {
1854 AVCodec *codec = ist->dec;
1855 if (!codec) {
1856 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d.%d",
1857 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1858 return AVERROR(EINVAL);
1859 }
1860
1861 /* update requested sample format for the decoder based on the
1862 corresponding encoder sample format */
1863 for (i = 0; i < nb_output_streams; i++) {
1864 OutputStream *ost = &output_streams[i];
1865 if (ost->source_index == ist_index) {
1866 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1867 break;
1868 }
1869 }
1870
1871 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1872 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
1873 ist->file_index, ist->st->index);
1874 return AVERROR(EINVAL);
1875 }
1876 assert_codec_experimental(ist->st->codec, 0);
1877 assert_avoptions(ist->opts);
1878 }
1879
1880 ist->pts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames*AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
1881 ist->next_pts = AV_NOPTS_VALUE;
1882 init_pts_correction(&ist->pts_ctx);
1883 ist->is_start = 1;
1884
1885 return 0;
1886 }
1887
1888 static int transcode_init(OutputFile *output_files,
1889 int nb_output_files,
1890 InputFile *input_files,
1891 int nb_input_files)
1892 {
1893 int ret = 0, i, j;
1894 AVFormatContext *os;
1895 AVCodecContext *codec, *icodec;
1896 OutputStream *ost;
1897 InputStream *ist;
1898 char error[1024];
1899 int want_sdp = 1;
1900
1901 /* init framerate emulation */
1902 for (i = 0; i < nb_input_files; i++) {
1903 InputFile *ifile = &input_files[i];
1904 if (ifile->rate_emu)
1905 for (j = 0; j < ifile->nb_streams; j++)
1906 input_streams[j + ifile->ist_index].start = av_gettime();
1907 }
1908
1909 /* output stream init */
1910 for(i=0;i<nb_output_files;i++) {
1911 os = output_files[i].ctx;
1912 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1913 av_dump_format(os, i, os->filename, 1);
1914 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1915 return AVERROR(EINVAL);
1916 }
1917 }
1918
1919 /* for each output stream, we compute the right encoding parameters */
1920 for (i = 0; i < nb_output_streams; i++) {
1921 ost = &output_streams[i];
1922 os = output_files[ost->file_index].ctx;
1923 ist = &input_streams[ost->source_index];
1924
1925 codec = ost->st->codec;
1926 icodec = ist->st->codec;
1927
1928 ost->st->disposition = ist->st->disposition;
1929 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1930 codec->chroma_sample_location = icodec->chroma_sample_location;
1931
1932 if (ost->st->stream_copy) {
1933 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1934
1935 if (extra_size > INT_MAX) {
1936 return AVERROR(EINVAL);
1937 }
1938
1939 /* if stream_copy is selected, no need to decode or encode */
1940 codec->codec_id = icodec->codec_id;
1941 codec->codec_type = icodec->codec_type;
1942
1943 if(!codec->codec_tag){
1944 if( !os->oformat->codec_tag
1945 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1946 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1947 codec->codec_tag = icodec->codec_tag;
1948 }
1949
1950 codec->bit_rate = icodec->bit_rate;
1951 codec->rc_max_rate = icodec->rc_max_rate;
1952 codec->rc_buffer_size = icodec->rc_buffer_size;
1953 codec->extradata= av_mallocz(extra_size);
1954 if (!codec->extradata) {
1955 return AVERROR(ENOMEM);
1956 }
1957 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1958 codec->extradata_size= icodec->extradata_size;
1959 if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
1960 codec->time_base = icodec->time_base;
1961 codec->time_base.num *= icodec->ticks_per_frame;
1962 av_reduce(&codec->time_base.num, &codec->time_base.den,
1963 codec->time_base.num, codec->time_base.den, INT_MAX);
1964 }else
1965 codec->time_base = ist->st->time_base;
1966 switch(codec->codec_type) {
1967 case AVMEDIA_TYPE_AUDIO:
1968 if(audio_volume != 256) {
1969 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1970 exit_program(1);
1971 }
1972 codec->channel_layout = icodec->channel_layout;
1973 codec->sample_rate = icodec->sample_rate;
1974 codec->channels = icodec->channels;
1975 codec->frame_size = icodec->frame_size;
1976 codec->audio_service_type = icodec->audio_service_type;
1977 codec->block_align= icodec->block_align;
1978 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1979 codec->block_align= 0;
1980 if(codec->codec_id == CODEC_ID_AC3)
1981 codec->block_align= 0;
1982 break;
1983 case AVMEDIA_TYPE_VIDEO:
1984 codec->pix_fmt = icodec->pix_fmt;
1985 codec->width = icodec->width;
1986 codec->height = icodec->height;
1987 codec->has_b_frames = icodec->has_b_frames;
1988 if (!codec->sample_aspect_ratio.num) {
1989 codec->sample_aspect_ratio =
1990 ost->st->sample_aspect_ratio =
1991 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1992 ist->st->codec->sample_aspect_ratio.num ?
1993 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1994 }
1995 break;
1996 case AVMEDIA_TYPE_SUBTITLE:
1997 codec->width = icodec->width;
1998 codec->height = icodec->height;
1999 break;
2000 case AVMEDIA_TYPE_DATA:
2001 break;
2002 default:
2003 abort();
2004 }
2005 } else {
2006 if (!ost->enc)
2007 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2008 switch(codec->codec_type) {
2009 case AVMEDIA_TYPE_AUDIO:
2010 ost->fifo= av_fifo_alloc(1024);
2011 if (!ost->fifo) {
2012 return AVERROR(ENOMEM);
2013 }
2014 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2015 if (!codec->sample_rate) {
2016 codec->sample_rate = icodec->sample_rate;
2017 if (icodec->lowres)
2018 codec->sample_rate >>= icodec->lowres;
2019 }
2020 choose_sample_rate(ost->st, ost->enc);
2021 codec->time_base = (AVRational){1, codec->sample_rate};
2022 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2023 codec->sample_fmt = icodec->sample_fmt;
2024 choose_sample_fmt(ost->st, ost->enc);
2025 if (!codec->channels)
2026 codec->channels = icodec->channels;
2027 codec->channel_layout = icodec->channel_layout;
2028 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2029 codec->channel_layout = 0;
2030 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2031 icodec->request_channels = codec->channels;
2032 ist->decoding_needed = 1;
2033 ost->encoding_needed = 1;
2034 ost->resample_sample_fmt = icodec->sample_fmt;
2035 ost->resample_sample_rate = icodec->sample_rate;
2036 ost->resample_channels = icodec->channels;
2037 break;
2038 case AVMEDIA_TYPE_VIDEO:
2039 if (codec->pix_fmt == PIX_FMT_NONE)
2040 codec->pix_fmt = icodec->pix_fmt;
2041 choose_pixel_fmt(ost->st, ost->enc);
2042
2043 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2044 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2045 exit_program(1);
2046 }
2047
2048 if (!codec->width || !codec->height) {
2049 codec->width = icodec->width;
2050 codec->height = icodec->height;
2051 }
2052
2053 ost->video_resample = codec->width != icodec->width ||
2054 codec->height != icodec->height ||
2055 codec->pix_fmt != icodec->pix_fmt;
2056 if (ost->video_resample) {
2057 #if !CONFIG_AVFILTER
2058 avcodec_get_frame_defaults(&ost->pict_tmp);
2059 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2060 codec->width, codec->height)) {
2061 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2062 exit_program(1);
2063 }
2064 ost->img_resample_ctx = sws_getContext(
2065 icodec->width,
2066 icodec->height,
2067 icodec->pix_fmt,
2068 codec->width,
2069 codec->height,
2070 codec->pix_fmt,
2071 ost->sws_flags, NULL, NULL, NULL);
2072 if (ost->img_resample_ctx == NULL) {
2073 fprintf(stderr, "Cannot get resampling context\n");
2074 exit_program(1);
2075 }
2076 #endif
2077 codec->bits_per_raw_sample= 0;
2078 }
2079
2080 ost->resample_height = icodec->height;
2081 ost->resample_width = icodec->width;
2082 ost->resample_pix_fmt= icodec->pix_fmt;
2083 ost->encoding_needed = 1;
2084 ist->decoding_needed = 1;
2085
2086 if (!ost->frame_rate.num)
2087 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2088 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2089 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2090 ost->frame_rate = ost->enc->supported_framerates[idx];
2091 }
2092 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2093
2094 #if CONFIG_AVFILTER
2095 if (configure_video_filters(ist, ost)) {
2096 fprintf(stderr, "Error opening filters!\n");
2097 exit(1);
2098 }
2099 #endif
2100 break;
2101 case AVMEDIA_TYPE_SUBTITLE:
2102 ost->encoding_needed = 1;
2103 ist->decoding_needed = 1;
2104 break;
2105 default:
2106 abort();
2107 break;
2108 }
2109 /* two pass mode */
2110 if (ost->encoding_needed &&
2111 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2112 char logfilename[1024];
2113 FILE *f;
2114
2115 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2116 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2117 i);
2118 if (codec->flags & CODEC_FLAG_PASS1) {
2119 f = fopen(logfilename, "wb");
2120 if (!f) {
2121 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2122 exit_program(1);
2123 }
2124 ost->logfile = f;
2125 } else {
2126 char *logbuffer;
2127 size_t logbuffer_size;
2128 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2129 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2130 exit_program(1);
2131 }
2132 codec->stats_in = logbuffer;
2133 }
2134 }
2135 }
2136 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2137 int size= codec->width * codec->height;
2138 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2139 }
2140 }
2141
2142 if (!bit_buffer)
2143 bit_buffer = av_malloc(bit_buffer_size);
2144 if (!bit_buffer) {
2145 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2146 bit_buffer_size);
2147 return AVERROR(ENOMEM);
2148 }
2149
2150 /* open each encoder */
2151 for (i = 0; i < nb_output_streams; i++) {
2152 ost = &output_streams[i];
2153 if (ost->encoding_needed) {
2154 AVCodec *codec = ost->enc;
2155 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2156 if (!codec) {
2157 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2158 ost->st->codec->codec_id, ost->file_index, ost->index);
2159 ret = AVERROR(EINVAL);
2160 goto dump_format;
2161 }
2162 if (dec->subtitle_header) {
2163 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2164 if (!ost->st->codec->subtitle_header) {
2165 ret = AVERROR(ENOMEM);
2166 goto dump_format;
2167 }
2168 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2169 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2170 }
2171 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2172 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2173 ost->file_index, ost->index);
2174 ret = AVERROR(EINVAL);
2175 goto dump_format;
2176 }
2177 assert_codec_experimental(ost->st->codec, 1);
2178 assert_avoptions(ost->opts);
2179 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2180 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2181 "It takes bits/s as argument, not kbits/s\n");
2182 extra_size += ost->st->codec->extradata_size;
2183 }
2184 }
2185
2186 /* init input streams */
2187 for (i = 0; i < nb_input_streams; i++)
2188 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2189 goto dump_format;
2190
2191 /* open files and write file headers */
2192 for (i = 0; i < nb_output_files; i++) {
2193 os = output_files[i].ctx;
2194 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2195 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2196 ret = AVERROR(EINVAL);
2197 goto dump_format;
2198 }
2199 assert_avoptions(output_files[i].opts);
2200 if (strcmp(os->oformat->name, "rtp")) {
2201 want_sdp = 0;
2202 }
2203 }
2204
2205 dump_format:
2206 /* dump the file output parameters - cannot be done before in case
2207 of stream copy */
2208 for(i=0;i<nb_output_files;i++) {
2209 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2210 }
2211
2212 /* dump the stream mapping */
2213 if (verbose >= 0) {
2214 fprintf(stderr, "Stream mapping:\n");
2215 for (i = 0; i < nb_output_streams;i ++) {
2216 ost = &output_streams[i];
2217 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2218 input_streams[ost->source_index].file_index,
2219 input_streams[ost->source_index].st->index,
2220 ost->file_index,
2221 ost->index);
2222 if (ost->sync_ist != &input_streams[ost->source_index])
2223 fprintf(stderr, " [sync #%d.%d]",
2224 ost->sync_ist->file_index,
2225 ost->sync_ist->st->index);
2226 if (ost->st->stream_copy)
2227 fprintf(stderr, " (copy)");
2228 else
2229 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2230 input_streams[ost->source_index].dec->name : "?",
2231 ost->enc ? ost->enc->name : "?");
2232 fprintf(stderr, "\n");
2233 }
2234 }
2235
2236 if (ret) {
2237 fprintf(stderr, "%s\n", error);
2238 return ret;
2239 }
2240
2241 if (want_sdp) {
2242 print_sdp(output_files, nb_output_files);
2243 }
2244
2245 return 0;
2246 }
2247
2248 /*
2249 * The following code is the main loop of the file converter
2250 */
2251 static int transcode(OutputFile *output_files,
2252 int nb_output_files,
2253 InputFile *input_files,
2254 int nb_input_files)
2255 {
2256 int ret, i;
2257 AVFormatContext *is, *os;
2258 OutputStream *ost;
2259 InputStream *ist;
2260 uint8_t *no_packet;
2261 int no_packet_count=0;
2262 int64_t timer_start;
2263
2264 if (!(no_packet = av_mallocz(nb_input_files)))
2265 exit_program(1);
2266
2267 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2268 if (ret < 0)
2269 goto fail;
2270
2271 if (verbose >= 0)
2272 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2273 term_init();
2274
2275 timer_start = av_gettime();
2276
2277 for(; received_sigterm == 0;) {
2278 int file_index, ist_index;
2279 AVPacket pkt;
2280 int64_t ipts_min;
2281 double opts_min;
2282
2283 ipts_min = INT64_MAX;
2284 opts_min= 1e100;
2285
2286 /* select the stream that we must read now by looking at the
2287 smallest output pts */
2288 file_index = -1;
2289 for (i = 0; i < nb_output_streams; i++) {
2290 OutputFile *of;
2291 int64_t ipts;
2292 double opts;
2293 ost = &output_streams[i];
2294 of = &output_files[ost->file_index];
2295 os = output_files[ost->file_index].ctx;
2296 ist = &input_streams[ost->source_index];
2297 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2298 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2299 continue;
2300 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2301 ipts = ist->pts;
2302 if (!input_files[ist->file_index].eof_reached){
2303 if(ipts < ipts_min) {
2304 ipts_min = ipts;
2305 if(input_sync ) file_index = ist->file_index;
2306 }
2307 if(opts < opts_min) {
2308 opts_min = opts;
2309 if(!input_sync) file_index = ist->file_index;
2310 }
2311 }
2312 if (ost->frame_number >= ost->max_frames) {
2313 int j;
2314 for (j = of->ost_index; j < of->ctx->nb_streams; j++)
2315 output_streams[j].is_past_recording_time = 1;
2316 continue;
2317 }
2318 }
2319 /* if none, if is finished */
2320 if (file_index < 0) {
2321 if(no_packet_count){
2322 no_packet_count=0;
2323 memset(no_packet, 0, nb_input_files);
2324 usleep(10000);
2325 continue;
2326 }
2327 break;
2328 }
2329
2330 /* read a frame from it and output it in the fifo */
2331 is = input_files[file_index].ctx;
2332 ret= av_read_frame(is, &pkt);
2333 if(ret == AVERROR(EAGAIN)){
2334 no_packet[file_index]=1;
2335 no_packet_count++;
2336 continue;
2337 }
2338 if (ret < 0) {
2339 input_files[file_index].eof_reached = 1;
2340 if (opt_shortest)
2341 break;
2342 else
2343 continue;
2344 }
2345
2346 no_packet_count=0;
2347 memset(no_packet, 0, nb_input_files);
2348
2349 if (do_pkt_dump) {
2350 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2351 is->streams[pkt.stream_index]);
2352 }
2353 /* the following test is needed in case new streams appear
2354 dynamically in stream : we ignore them */
2355 if (pkt.stream_index >= input_files[file_index].nb_streams)
2356 goto discard_packet;
2357 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2358 ist = &input_streams[ist_index];
2359 if (ist->discard)
2360 goto discard_packet;
2361
2362 if (pkt.dts != AV_NOPTS_VALUE)
2363 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2364 if (pkt.pts != AV_NOPTS_VALUE)
2365 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2366
2367 if(pkt.pts != AV_NOPTS_VALUE)
2368 pkt.pts *= ist->ts_scale;
2369 if(pkt.dts != AV_NOPTS_VALUE)
2370 pkt.dts *= ist->ts_scale;
2371
2372 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files[ist->file_index].ts_offset, ist->st->codec->codec_type);
2373 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2374 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2375 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2376 int64_t delta= pkt_dts - ist->next_pts;
2377 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2378 input_files[ist->file_index].ts_offset -= delta;
2379 if (verbose > 2)
2380 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2381 delta, input_files[ist->file_index].ts_offset);
2382 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2383 if(pkt.pts != AV_NOPTS_VALUE)
2384 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2385 }
2386 }
2387
2388 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2389 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2390
2391 if (verbose >= 0)
2392 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2393 ist->file_index, ist->st->index);
2394 if (exit_on_error)
2395 exit_program(1);
2396 av_free_packet(&pkt);
2397 continue;
2398 }
2399
2400 discard_packet:
2401 av_free_packet(&pkt);
2402
2403 /* dump report by using the output first video and audio streams */
2404 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2405 }
2406
2407 /* at the end of stream, we must flush the decoder buffers */
2408 for (i = 0; i < nb_input_streams; i++) {
2409 ist = &input_streams[i];
2410 if (ist->decoding_needed) {
2411 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2412 }
2413 }
2414 flush_encoders(output_streams, nb_output_streams);
2415
2416 term_exit();
2417
2418 /* write the trailer if needed and close file */
2419 for(i=0;i<nb_output_files;i++) {
2420 os = output_files[i].ctx;
2421 av_write_trailer(os);
2422 }
2423
2424 /* dump report by using the first video and audio streams */
2425 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2426
2427 /* close each encoder */
2428 for (i = 0; i < nb_output_streams; i++) {
2429 ost = &output_streams[i];
2430 if (ost->encoding_needed) {
2431 av_freep(&ost->st->codec->stats_in);
2432 avcodec_close(ost->st->codec);
2433 }
2434 #if CONFIG_AVFILTER
2435 avfilter_graph_free(&ost->graph);
2436 #endif
2437 }
2438
2439 /* close each decoder */
2440 for (i = 0; i < nb_input_streams; i++) {
2441 ist = &input_streams[i];
2442 if (ist->decoding_needed) {
2443 avcodec_close(ist->st->codec);
2444 }
2445 }
2446
2447 /* finished ! */
2448 ret = 0;
2449
2450 fail:
2451 av_freep(&bit_buffer);
2452 av_freep(&no_packet);
2453
2454 if (output_streams) {
2455 for (i = 0; i < nb_output_streams; i++) {
2456 ost = &output_streams[i];
2457 if (ost) {
2458 if (ost->st->stream_copy)
2459 av_freep(&ost->st->codec->extradata);
2460 if (ost->logfile) {
2461 fclose(ost->logfile);
2462 ost->logfile = NULL;
2463 }
2464 av_fifo_free(ost->fifo); /* works even if fifo is not
2465 initialized but set to zero */
2466 av_freep(&ost->st->codec->subtitle_header);
2467 av_free(ost->pict_tmp.data[0]);
2468 av_free(ost->forced_kf_pts);
2469 if (ost->video_resample)
2470 sws_freeContext(ost->img_resample_ctx);
2471 if (ost->resample)
2472 audio_resample_close(ost->resample);
2473 if (ost->reformat_ctx)
2474 av_audio_convert_free(ost->reformat_ctx);
2475 av_dict_free(&ost->opts);
2476 }
2477 }
2478 }
2479 return ret;
2480 }
2481
2482 static int opt_video_rc_override_string(const char *opt, const char *arg)
2483 {
2484 video_rc_override_string = arg;
2485 return 0;
2486 }
2487
2488 static int opt_me_threshold(const char *opt, const char *arg)
2489 {
2490 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2491 return 0;
2492 }
2493
2494 static int opt_verbose(const char *opt, const char *arg)
2495 {
2496 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2497 return 0;
2498 }
2499
2500 static int opt_frame_rate(const char *opt, const char *arg)
2501 {
2502 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2503 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2504 exit_program(1);
2505 }
2506 return 0;
2507 }
2508
2509 static int opt_frame_size(const char *opt, const char *arg)
2510 {
2511 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2512 fprintf(stderr, "Incorrect frame size\n");
2513 return AVERROR(EINVAL);
2514 }
2515 return 0;
2516 }
2517
2518 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2519 {
2520 if (strcmp(arg, "list")) {
2521 frame_pix_fmt = av_get_pix_fmt(arg);
2522 if (frame_pix_fmt == PIX_FMT_NONE) {
2523 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2524 return AVERROR(EINVAL);
2525 }
2526 } else {
2527 show_pix_fmts();
2528 exit_program(0);
2529 }
2530 return 0;
2531 }
2532
2533 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2534 {
2535 int x = 0, y = 0;
2536 double ar = 0;
2537 const char *p;
2538 char *end;
2539
2540 p = strchr(arg, ':');
2541 if (p) {
2542 x = strtol(arg, &end, 10);
2543 if (end == p)
2544 y = strtol(end+1, &end, 10);
2545 if (x > 0 && y > 0)
2546 ar = (double)x / (double)y;
2547 } else
2548 ar = strtod(arg, NULL);
2549
2550 if (!ar) {
2551 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2552 return AVERROR(EINVAL);
2553 }
2554 frame_aspect_ratio = ar;
2555 return 0;
2556 }
2557
2558 static int opt_qscale(const char *opt, const char *arg)
2559 {
2560 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2561 if (video_qscale == 0) {
2562 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2563 return AVERROR(EINVAL);
2564 }
2565 return 0;
2566 }
2567
2568 static int opt_top_field_first(const char *opt, const char *arg)
2569 {
2570 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2571 return 0;
2572 }
2573
2574 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2575 {
2576 if (strcmp(arg, "list")) {
2577 audio_sample_fmt = av_get_sample_fmt(arg);
2578 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2579 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2580 return AVERROR(EINVAL);
2581 }
2582 } else {
2583 int i;
2584 char fmt_str[128];
2585 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2586 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2587 exit_program(0);
2588 }
2589 return 0;
2590 }
2591
2592 static int opt_audio_rate(const char *opt, const char *arg)
2593 {
2594 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2595 return 0;
2596 }
2597
2598 static int opt_audio_channels(const char *opt, const char *arg)
2599 {
2600 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2601 return 0;
2602 }
2603
2604 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2605 {
2606 return parse_option(o, "codec:a", arg, options);
2607 }
2608
2609 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2610 {
2611 return parse_option(o, "codec:v", arg, options);
2612 }
2613
2614 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2615 {
2616 return parse_option(o, "codec:s", arg, options);
2617 }
2618
2619 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2620 {
2621 return parse_option(o, "codec:d", arg, options);
2622 }
2623
2624 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2625 {
2626 StreamMap *m = NULL;
2627 int i, negative = 0, file_idx;
2628 int sync_file_idx = -1, sync_stream_idx;
2629 char *p, *sync;
2630 char *map;
2631
2632 if (*arg == '-') {
2633 negative = 1;
2634 arg++;
2635 }
2636 map = av_strdup(arg);
2637
2638 /* parse sync stream first, just pick first matching stream */
2639 if (sync = strchr(map, ',')) {
2640 *sync = 0;
2641 sync_file_idx = strtol(sync + 1, &sync, 0);
2642 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2643 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2644 exit_program(1);
2645 }
2646 if (*sync)
2647 sync++;
2648 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2649 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2650 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2651 sync_stream_idx = i;
2652 break;
2653 }
2654 if (i == input_files[sync_file_idx].nb_streams) {
2655 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2656 "match any streams.\n", arg);
2657 exit_program(1);
2658 }
2659 }
2660
2661
2662 file_idx = strtol(map, &p, 0);
2663 if (file_idx >= nb_input_files || file_idx < 0) {
2664 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2665 exit_program(1);
2666 }
2667 if (negative)
2668 /* disable some already defined maps */
2669 for (i = 0; i < o->nb_stream_maps; i++) {
2670 m = &o->stream_maps[i];
2671 if (check_stream_specifier(input_files[m->file_index].ctx,
2672 input_files[m->file_index].ctx->streams[m->stream_index],
2673 *p == ':' ? p + 1 : p) > 0)
2674 m->disabled = 1;
2675 }
2676 else
2677 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2678 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2679 *p == ':' ? p + 1 : p) <= 0)
2680 continue;
2681 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2682 &o->nb_stream_maps, o->nb_stream_maps + 1);
2683 m = &o->stream_maps[o->nb_stream_maps - 1];
2684
2685 m->file_index = file_idx;
2686 m->stream_index = i;
2687
2688 if (sync_file_idx >= 0) {
2689 m->sync_file_index = sync_file_idx;
2690 m->sync_stream_index = sync_stream_idx;
2691 } else {
2692 m->sync_file_index = file_idx;
2693 m->sync_stream_index = i;
2694 }
2695 }
2696
2697 if (!m) {
2698 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2699 exit_program(1);
2700 }
2701
2702 av_freep(&map);
2703 return 0;
2704 }
2705
2706 static void parse_meta_type(char *arg, char *type, int *index)
2707 {
2708 if (*arg) {
2709 *type = *arg;
2710 switch (*arg) {
2711 case 'g':
2712 break;
2713 case 's':
2714 case 'c':
2715 case 'p':
2716 if (*(++arg) == ':')
2717 *index = strtol(++arg, NULL, 0);
2718 break;
2719 default:
2720 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2721 exit_program(1);
2722 }
2723 } else
2724 *type = 'g';
2725 }
2726
2727 static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
2728 {
2729 MetadataMap *m, *m1;
2730 char *p;
2731
2732 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
2733 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
2734
2735 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
2736 m->file = strtol(arg, &p, 0);
2737 parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
2738
2739 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
2740 if (p = strchr(opt, ':'))
2741 parse_meta_type(p + 1, &m1->type, &m1->index);
2742 else
2743 m1->type = 'g';
2744
2745 if (m->type == 'g' || m1->type == 'g')
2746 o->metadata_global_manual = 1;
2747 if (m->type == 's' || m1->type == 's')
2748 o->metadata_streams_manual = 1;
2749 if (m->type == 'c' || m1->type == 'c')
2750 o->metadata_chapters_manual = 1;
2751
2752 return 0;
2753 }
2754
2755 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2756 {
2757 const char *codec_string = encoder ? "encoder" : "decoder";
2758 AVCodec *codec;
2759
2760 if(!name)
2761 return CODEC_ID_NONE;
2762 codec = encoder ?
2763 avcodec_find_encoder_by_name(name) :
2764 avcodec_find_decoder_by_name(name);
2765 if(!codec) {
2766 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2767 exit_program(1);
2768 }
2769 if(codec->type != type) {
2770 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2771 exit_program(1);
2772 }
2773 return codec->id;
2774 }
2775
2776 static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type)
2777 {
2778 char *codec_name = NULL;
2779
2780 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
2781
2782 if (!codec_name) {
2783 if (s->oformat) {
2784 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2785 return avcodec_find_encoder(st->codec->codec_id);
2786 }
2787 } else if (!strcmp(codec_name, "copy"))
2788 st->stream_copy = 1;
2789 else {
2790 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2791 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2792 avcodec_find_decoder_by_name(codec_name);
2793 }
2794
2795 return NULL;
2796 }
2797
2798 /**
2799 * Add all the streams from the given input file to the global
2800 * list of input streams.
2801 */
2802 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
2803 {
2804 int i, rfps, rfps_base;
2805
2806 for (i = 0; i < ic->nb_streams; i++) {
2807 AVStream *st = ic->streams[i];
2808 AVCodecContext *dec = st->codec;
2809 InputStream *ist;
2810 double scale = 1.0;
2811
2812 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2813 ist = &input_streams[nb_input_streams - 1];
2814 ist->st = st;
2815 ist->file_index = nb_input_files;
2816 ist->discard = 1;
2817 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2818
2819 MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
2820 ist->ts_scale = scale;
2821
2822 ist->dec = choose_codec(o, ic, st, dec->codec_type);
2823 if (!ist->dec)
2824 ist->dec = avcodec_find_decoder(dec->codec_id);
2825
2826 switch (dec->codec_type) {
2827 case AVMEDIA_TYPE_AUDIO:
2828 if (o->audio_disable)
2829 st->discard= AVDISCARD_ALL;
2830 break;
2831 case AVMEDIA_TYPE_VIDEO:
2832 rfps = ic->streams[i]->r_frame_rate.num;
2833 rfps_base = ic->streams[i]->r_frame_rate.den;
2834 if (dec->lowres) {
2835 dec->flags |= CODEC_FLAG_EMU_EDGE;
2836 dec->height >>= dec->lowres;
2837 dec->width >>= dec->lowres;
2838 }
2839 if(me_threshold)
2840 dec->debug |= FF_DEBUG_MV;
2841
2842 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2843
2844 if (verbose >= 0)
2845 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2846 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2847
2848 (float)rfps / rfps_base, rfps, rfps_base);
2849 }
2850
2851 if (o->video_disable)
2852 st->discard= AVDISCARD_ALL;
2853 else if(video_discard)
2854 st->discard= video_discard;
2855 break;
2856 case AVMEDIA_TYPE_DATA:
2857 break;
2858 case AVMEDIA_TYPE_SUBTITLE:
2859 if (o->subtitle_disable)
2860 st->discard = AVDISCARD_ALL;
2861 break;
2862 case AVMEDIA_TYPE_ATTACHMENT:
2863 case AVMEDIA_TYPE_UNKNOWN:
2864 break;
2865 default:
2866 abort();
2867 }
2868 }
2869 }
2870
2871 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
2872 {
2873 AVFormatContext *ic;
2874 AVInputFormat *file_iformat = NULL;
2875 int err, i, ret;
2876 int64_t timestamp;
2877 uint8_t buf[128];
2878 AVDictionary **opts;
2879 int orig_nb_streams; // number of streams before avformat_find_stream_info
2880
2881 if (o->format) {
2882 if (!(file_iformat = av_find_input_format(o->format))) {
2883 fprintf(stderr, "Unknown input format: '%s'\n", o->format);
2884 exit_program(1);
2885 }
2886 }
2887
2888 if (!strcmp(filename, "-"))
2889 filename = "pipe:";
2890
2891 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2892 !strcmp(filename, "/dev/stdin");
2893
2894 /* get default parameters from command line */
2895 ic = avformat_alloc_context();
2896 if (!ic) {
2897 print_error(filename, AVERROR(ENOMEM));
2898 exit_program(1);
2899 }
2900 if (audio_sample_rate) {
2901 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
2902 av_dict_set(&format_opts, "sample_rate", buf, 0);
2903 }
2904 if (audio_channels) {
2905 snprintf(buf, sizeof(buf), "%d", audio_channels);
2906 av_dict_set(&format_opts, "channels", buf, 0);
2907 }
2908 if (frame_rate.num) {
2909 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
2910 av_dict_set(&format_opts, "framerate", buf, 0);
2911 }
2912 if (frame_width && frame_height) {
2913 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
2914 av_dict_set(&format_opts, "video_size", buf, 0);
2915 }
2916 if (frame_pix_fmt != PIX_FMT_NONE)
2917 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
2918
2919 ic->flags |= AVFMT_FLAG_NONBLOCK;
2920
2921 /* open the input file with generic libav function */
2922 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2923 if (err < 0) {
2924 print_error(filename, err);
2925 exit_program(1);
2926 }
2927 assert_avoptions(format_opts);
2928
2929 if(opt_programid) {
2930 int i, j;
2931 int found=0;
2932 for(i=0; i<ic->nb_streams; i++){
2933 ic->streams[i]->discard= AVDISCARD_ALL;
2934 }
2935 for(i=0; i<ic->nb_programs; i++){
2936 AVProgram *p= ic->programs[i];
2937 if(p->id != opt_programid){
2938 p->discard = AVDISCARD_ALL;
2939 }else{
2940 found=1;
2941 for(j=0; j<p->nb_stream_indexes; j++){
2942 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
2943 }
2944 }
2945 }
2946 if(!found){
2947 fprintf(stderr, "Specified program id not found\n");
2948 exit_program(1);
2949 }
2950 opt_programid=0;
2951 }
2952
2953 /* apply forced codec ids */
2954 for (i = 0; i < ic->nb_streams; i++)
2955 choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type);
2956
2957 /* Set AVCodecContext options for avformat_find_stream_info */
2958 opts = setup_find_stream_info_opts(ic, codec_opts);
2959 orig_nb_streams = ic->nb_streams;
2960
2961 /* If not enough info to get the stream parameters, we decode the
2962 first frames to get it. (used in mpeg case for example) */
2963 ret = avformat_find_stream_info(ic, opts);
2964 if (ret < 0 && verbose >= 0) {
2965 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2966 av_close_input_file(ic);
2967 exit_program(1);
2968 }
2969
2970 timestamp = o->start_time;
2971 /* add the stream start time */
2972 if (ic->start_time != AV_NOPTS_VALUE)
2973 timestamp += ic->start_time;
2974
2975 /* if seeking requested, we execute it */
2976 if (o->start_time != 0) {
2977 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2978 if (ret < 0) {
2979 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2980 filename, (double)timestamp / AV_TIME_BASE);
2981 }
2982 }
2983
2984 /* update the current parameters so that they match the one of the input stream */
2985 add_input_streams(o, ic);
2986
2987 /* dump the file content */
2988 if (verbose >= 0)
2989 av_dump_format(ic, nb_input_files, filename, 0);
2990
2991 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
2992 input_files[nb_input_files - 1].ctx = ic;
2993 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
2994 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
2995 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
2996
2997 frame_rate = (AVRational){0, 0};
2998 frame_pix_fmt = PIX_FMT_NONE;
2999 frame_height = 0;
3000 frame_width = 0;
3001 audio_sample_rate = 0;
3002 audio_channels = 0;
3003 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3004
3005 for (i = 0; i < orig_nb_streams; i++)
3006 av_dict_free(&opts[i]);
3007 av_freep(&opts);
3008
3009 reset_options(o);
3010 return 0;
3011 }
3012
3013 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3014 AVCodecContext *avctx)
3015 {
3016 char *p;
3017 int n = 1, i;
3018 int64_t t;
3019
3020 for (p = kf; *p; p++)
3021 if (*p == ',')
3022 n++;
3023 ost->forced_kf_count = n;
3024 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3025 if (!ost->forced_kf_pts) {
3026 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3027 exit_program(1);
3028 }
3029 for (i = 0; i < n; i++) {
3030 p = i ? strchr(p, ',') + 1 : kf;
3031 t = parse_time_or_die("force_key_frames", p, 1);
3032 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3033 }
3034 }
3035
3036 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3037 {
3038 OutputStream *ost;
3039 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3040 int idx = oc->nb_streams - 1;
3041 int64_t max_frames = INT64_MAX;
3042 char *bsf = NULL, *next, *codec_tag = NULL;
3043 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3044
3045 if (!st) {
3046 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3047 exit_program(1);
3048 }
3049
3050 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3051 nb_output_streams + 1);
3052 ost = &output_streams[nb_output_streams - 1];
3053 ost->file_index = nb_output_files;
3054 ost->index = idx;
3055 ost->st = st;
3056 st->codec->codec_type = type;
3057 ost->enc = choose_codec(o, oc, st, type);
3058 if (ost->enc) {
3059 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3060 }
3061
3062 avcodec_get_context_defaults3(st->codec, ost->enc);
3063 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3064
3065 MATCH_PER_STREAM_OPT(max_frames, i64, max_frames, oc, st);
3066 ost->max_frames = max_frames;
3067
3068 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3069 while (bsf) {
3070 if (next = strchr(bsf, ','))
3071 *next++ = 0;
3072 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3073 av_log(NULL, AV_LOG_ERROR, "Unknown bitstream filter %s\n", bsf);
3074 exit_program(1);
3075 }
3076 if (bsfc_prev)
3077 bsfc_prev->next = bsfc;
3078 else
3079 ost->bitstream_filters = bsfc;
3080
3081 bsfc_prev = bsfc;
3082 bsf = next;
3083 }
3084
3085 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3086 if (codec_tag) {
3087 uint32_t tag = strtol(codec_tag, &next, 0);
3088 if (*next)
3089 tag = AV_RL32(codec_tag);
3090 st->codec->codec_tag = tag;
3091 }
3092
3093 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3094 return ost;
3095 }
3096
3097 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3098 {
3099 AVStream *st;
3100 OutputStream *ost;
3101 AVCodecContext *video_enc;
3102
3103 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3104 st = ost->st;
3105 if (!st->stream_copy) {
3106 ost->frame_aspect_ratio = frame_aspect_ratio;
3107 frame_aspect_ratio = 0;
3108 #if CONFIG_AVFILTER
3109 ost->avfilter= vfilters;
3110 vfilters = NULL;
3111 #endif
3112 }
3113
3114 video_enc = st->codec;
3115
3116 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3117 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3118 }
3119
3120 if (st->stream_copy) {
3121 video_enc->sample_aspect_ratio =
3122 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3123 } else {
3124 const char *p;
3125 int i;
3126
3127 if (frame_rate.num)
3128 ost->frame_rate = frame_rate;
3129
3130 video_enc->width = frame_width;
3131 video_enc->height = frame_height;
3132 video_enc->pix_fmt = frame_pix_fmt;
3133 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3134
3135 if (video_qscale || same_quant) {
3136 video_enc->flags |= CODEC_FLAG_QSCALE;
3137 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3138 }
3139
3140 if(intra_matrix)
3141 video_enc->intra_matrix = intra_matrix;
3142 if(inter_matrix)
3143 video_enc->inter_matrix = inter_matrix;
3144
3145 p= video_rc_override_string;
3146 for(i=0; p; i++){
3147 int start, end, q;
3148 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3149 if(e!=3){
3150 fprintf(stderr, "error parsing rc_override\n");
3151 exit_program(1);
3152 }
3153 video_enc->rc_override=
3154 av_realloc(video_enc->rc_override,
3155 sizeof(RcOverride)*(i+1));
3156 video_enc->rc_override[i].start_frame= start;
3157 video_enc->rc_override[i].end_frame = end;
3158 if(q>0){
3159 video_enc->rc_override[i].qscale= q;
3160 video_enc->rc_override[i].quality_factor= 1.0;
3161 }
3162 else{
3163 video_enc->rc_override[i].qscale= 0;
3164 video_enc->rc_override[i].quality_factor= -q/100.0;
3165 }
3166 p= strchr(p, '/');
3167 if(p) p++;
3168 }
3169 video_enc->rc_override_count=i;
3170 if (!video_enc->rc_initial_buffer_occupancy)
3171 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3<