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85e284c98a49ff80702cb8496ef4124e1da3f547
[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 static AVDictionary *ts_scale;
101
102 static int chapters_input_file = INT_MAX;
103
104 /* indexed by output file stream index */
105 static int *streamid_map = NULL;
106 static int nb_streamid_map = 0;
107
108 static int frame_width = 0;
109 static int frame_height = 0;
110 static float frame_aspect_ratio = 0;
111 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
112 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
113 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
114 static AVRational frame_rate;
115 static float video_qscale = 0;
116 static uint16_t *intra_matrix = NULL;
117 static uint16_t *inter_matrix = NULL;
118 static const char *video_rc_override_string=NULL;
119 static int video_disable = 0;
120 static int video_discard = 0;
121 static unsigned int video_codec_tag = 0;
122 static char *video_language = NULL;
123 static int same_quant = 0;
124 static int do_deinterlace = 0;
125 static int top_field_first = -1;
126 static int me_threshold = 0;
127 static int intra_dc_precision = 8;
128 static int qp_hist = 0;
129 #if CONFIG_AVFILTER
130 static char *vfilters = NULL;
131 #endif
132
133 static int audio_sample_rate = 0;
134 #define QSCALE_NONE -99999
135 static float audio_qscale = QSCALE_NONE;
136 static int audio_disable = 0;
137 static int audio_channels = 0;
138 static unsigned int audio_codec_tag = 0;
139 static char *audio_language = NULL;
140
141 static int subtitle_disable = 0;
142 static char *subtitle_language = NULL;
143 static unsigned int subtitle_codec_tag = 0;
144
145 static int data_disable = 0;
146 static unsigned int data_codec_tag = 0;
147
148 static float mux_preload= 0.5;
149 static float mux_max_delay= 0.7;
150
151 static int file_overwrite = 0;
152 static AVDictionary *metadata;
153 static int do_benchmark = 0;
154 static int do_hex_dump = 0;
155 static int do_pkt_dump = 0;
156 static int do_psnr = 0;
157 static int do_pass = 0;
158 static char *pass_logfilename_prefix = NULL;
159 static int video_sync_method= -1;
160 static int audio_sync_method= 0;
161 static float audio_drift_threshold= 0.1;
162 static int copy_ts= 0;
163 static int copy_tb;
164 static int opt_shortest = 0;
165 static char *vstats_filename;
166 static FILE *vstats_file;
167 static int opt_programid = 0;
168 static int copy_initial_nonkeyframes = 0;
169
170 static int rate_emu = 0;
171
172 static int audio_volume = 256;
173
174 static int exit_on_error = 0;
175 static int using_stdin = 0;
176 static int verbose = 1;
177 static int64_t video_size = 0;
178 static int64_t audio_size = 0;
179 static int64_t extra_size = 0;
180 static int nb_frames_dup = 0;
181 static int nb_frames_drop = 0;
182 static int input_sync;
183 static int force_fps = 0;
184 static char *forced_key_frames = NULL;
185
186 static float dts_delta_threshold = 10;
187
188 static uint8_t *audio_buf;
189 static uint8_t *audio_out;
190 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
191
192 static short *samples;
193
194 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
195 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
196 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
197
198 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
199
200 typedef struct InputStream {
201 int file_index;
202 AVStream *st;
203 int discard; /* true if stream data should be discarded */
204 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
205 AVCodec *dec;
206
207 int64_t start; /* time when read started */
208 int64_t next_pts; /* synthetic pts for cases where pkt.pts
209 is not defined */
210 int64_t pts; /* current pts */
211 PtsCorrectionContext pts_ctx;
212 double ts_scale;
213 int is_start; /* is 1 at the start and after a discontinuity */
214 int showed_multi_packet_warning;
215 AVDictionary *opts;
216 } InputStream;
217
218 typedef struct InputFile {
219 AVFormatContext *ctx;
220 int eof_reached; /* true if eof reached */
221 int ist_index; /* index of first stream in ist_table */
222 int buffer_size; /* current total buffer size */
223 int64_t ts_offset;
224 int nb_streams; /* number of stream that avconv is aware of; may be different
225 from ctx.nb_streams if new streams appear during av_read_frame() */
226 } InputFile;
227
228 typedef struct OutputStream {
229 int file_index; /* file index */
230 int index; /* stream index in the output file */
231 int source_index; /* InputStream index */
232 AVStream *st; /* stream in the output file */
233 int encoding_needed; /* true if encoding needed for this stream */
234 int frame_number;
235 /* input pts and corresponding output pts
236 for A/V sync */
237 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
238 struct InputStream *sync_ist; /* input stream to sync against */
239 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
240 AVBitStreamFilterContext *bitstream_filters;
241 AVCodec *enc;
242
243 /* video only */
244 int video_resample;
245 AVFrame pict_tmp; /* temporary image for resampling */
246 struct SwsContext *img_resample_ctx; /* for image resampling */
247 int resample_height;
248 int resample_width;
249 int resample_pix_fmt;
250 AVRational frame_rate;
251
252 float frame_aspect_ratio;
253
254 /* forced key frames */
255 int64_t *forced_kf_pts;
256 int forced_kf_count;
257 int forced_kf_index;
258
259 /* audio only */
260 int audio_resample;
261 ReSampleContext *resample; /* for audio resampling */
262 int resample_sample_fmt;
263 int resample_channels;
264 int resample_sample_rate;
265 int reformat_pair;
266 AVAudioConvert *reformat_ctx;
267 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
268 FILE *logfile;
269
270 #if CONFIG_AVFILTER
271 AVFilterContext *output_video_filter;
272 AVFilterContext *input_video_filter;
273 AVFilterBufferRef *picref;
274 char *avfilter;
275 AVFilterGraph *graph;
276 #endif
277
278 int sws_flags;
279 AVDictionary *opts;
280 int is_past_recording_time;
281 } OutputStream;
282
283
284 typedef struct OutputFile {
285 AVFormatContext *ctx;
286 AVDictionary *opts;
287 int ost_index; /* index of the first stream in output_streams */
288 int64_t recording_time; /* desired length of the resulting file in microseconds */
289 int64_t start_time; /* start time in microseconds */
290 uint64_t limit_filesize;
291 } OutputFile;
292
293 static InputStream *input_streams = NULL;
294 static int nb_input_streams = 0;
295 static InputFile *input_files = NULL;
296 static int nb_input_files = 0;
297
298 static OutputStream *output_streams = NULL;
299 static int nb_output_streams = 0;
300 static OutputFile *output_files = NULL;
301 static int nb_output_files = 0;
302
303 typedef struct OptionsContext {
304 /* input/output options */
305 int64_t start_time;
306 const char *format;
307
308 SpecifierOpt *codec_names;
309 int nb_codec_names;
310
311 /* input options */
312 int64_t input_ts_offset;
313
314 /* output options */
315 StreamMap *stream_maps;
316 int nb_stream_maps;
317 /* first item specifies output metadata, second is input */
318 MetadataMap (*meta_data_maps)[2];
319 int nb_meta_data_maps;
320 int metadata_global_manual;
321 int metadata_streams_manual;
322 int metadata_chapters_manual;
323
324 int64_t recording_time;
325 uint64_t limit_filesize;
326 } OptionsContext;
327
328 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
329 {\
330 int i, ret;\
331 for (i = 0; i < o->nb_ ## name; i++) {\
332 char *spec = o->name[i].specifier;\
333 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
334 outvar = o->name[i].u.type;\
335 else if (ret < 0)\
336 exit_program(1);\
337 }\
338 }
339
340 static void reset_options(OptionsContext *o)
341 {
342 const OptionDef *po = options;
343
344 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
345 while (po->name) {
346 void *dst = (uint8_t*)o + po->u.off;
347
348 if (po->flags & OPT_SPEC) {
349 SpecifierOpt **so = dst;
350 int i, *count = (int*)(so + 1);
351 for (i = 0; i < *count; i++) {
352 av_freep(&(*so)[i].specifier);
353 if (po->flags & OPT_STRING)
354 av_freep(&(*so)[i].u.str);
355 }
356 av_freep(so);
357 *count = 0;
358 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
359 av_freep(dst);
360 po++;
361 }
362
363 av_freep(&o->stream_maps);
364 av_freep(&o->meta_data_maps);
365
366 memset(o, 0, sizeof(*o));
367
368 o->recording_time = INT64_MAX;
369 o->limit_filesize = UINT64_MAX;
370
371 uninit_opts();
372 init_opts();
373 }
374
375 #if CONFIG_AVFILTER
376
377 static int configure_video_filters(InputStream *ist, OutputStream *ost)
378 {
379 AVFilterContext *last_filter, *filter;
380 /** filter graph containing all filters including input & output */
381 AVCodecContext *codec = ost->st->codec;
382 AVCodecContext *icodec = ist->st->codec;
383 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
384 AVRational sample_aspect_ratio;
385 char args[255];
386 int ret;
387
388 ost->graph = avfilter_graph_alloc();
389
390 if (ist->st->sample_aspect_ratio.num){
391 sample_aspect_ratio = ist->st->sample_aspect_ratio;
392 }else
393 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
394
395 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
396 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
397 sample_aspect_ratio.num, sample_aspect_ratio.den);
398
399 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
400 "src", args, NULL, ost->graph);
401 if (ret < 0)
402 return ret;
403 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
404 "out", NULL, &ffsink_ctx, ost->graph);
405 if (ret < 0)
406 return ret;
407 last_filter = ost->input_video_filter;
408
409 if (codec->width != icodec->width || codec->height != icodec->height) {
410 snprintf(args, 255, "%d:%d:flags=0x%X",
411 codec->width,
412 codec->height,
413 ost->sws_flags);
414 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
415 NULL, args, NULL, ost->graph)) < 0)
416 return ret;
417 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
418 return ret;
419 last_filter = filter;
420 }
421
422 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
423 ost->graph->scale_sws_opts = av_strdup(args);
424
425 if (ost->avfilter) {
426 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
427 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
428
429 outputs->name = av_strdup("in");
430 outputs->filter_ctx = last_filter;
431 outputs->pad_idx = 0;
432 outputs->next = NULL;
433
434 inputs->name = av_strdup("out");
435 inputs->filter_ctx = ost->output_video_filter;
436 inputs->pad_idx = 0;
437 inputs->next = NULL;
438
439 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
440 return ret;
441 av_freep(&ost->avfilter);
442 } else {
443 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
444 return ret;
445 }
446
447 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
448 return ret;
449
450 codec->width = ost->output_video_filter->inputs[0]->w;
451 codec->height = ost->output_video_filter->inputs[0]->h;
452 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
453 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
454 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
455 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
456
457 return 0;
458 }
459 #endif /* CONFIG_AVFILTER */
460
461 static void term_exit(void)
462 {
463 av_log(NULL, AV_LOG_QUIET, "");
464 }
465
466 static volatile int received_sigterm = 0;
467 static volatile int received_nb_signals = 0;
468
469 static void
470 sigterm_handler(int sig)
471 {
472 received_sigterm = sig;
473 received_nb_signals++;
474 term_exit();
475 }
476
477 static void term_init(void)
478 {
479 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
480 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
481 #ifdef SIGXCPU
482 signal(SIGXCPU, sigterm_handler);
483 #endif
484 }
485
486 static int decode_interrupt_cb(void)
487 {
488 return received_nb_signals > 1;
489 }
490
491 void exit_program(int ret)
492 {
493 int i;
494
495 /* close files */
496 for(i=0;i<nb_output_files;i++) {
497 AVFormatContext *s = output_files[i].ctx;
498 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
499 avio_close(s->pb);
500 avformat_free_context(s);
501 av_dict_free(&output_files[i].opts);
502 }
503 for(i=0;i<nb_input_files;i++) {
504 av_close_input_file(input_files[i].ctx);
505 }
506 for (i = 0; i < nb_input_streams; i++)
507 av_dict_free(&input_streams[i].opts);
508
509 av_free(intra_matrix);
510 av_free(inter_matrix);
511
512 if (vstats_file)
513 fclose(vstats_file);
514 av_free(vstats_filename);
515
516 av_freep(&input_streams);
517 av_freep(&input_files);
518 av_freep(&output_streams);
519 av_freep(&output_files);
520
521 uninit_opts();
522 av_free(audio_buf);
523 av_free(audio_out);
524 allocated_audio_buf_size= allocated_audio_out_size= 0;
525 av_free(samples);
526
527 #if CONFIG_AVFILTER
528 avfilter_uninit();
529 #endif
530
531 if (received_sigterm) {
532 fprintf(stderr,
533 "Received signal %d: terminating.\n",
534 (int) received_sigterm);
535 exit (255);
536 }
537
538 exit(ret); /* not all OS-es handle main() return value */
539 }
540
541 static void assert_avoptions(AVDictionary *m)
542 {
543 AVDictionaryEntry *t;
544 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
545 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
546 exit_program(1);
547 }
548 }
549
550 static void assert_codec_experimental(AVCodecContext *c, int encoder)
551 {
552 const char *codec_string = encoder ? "encoder" : "decoder";
553 AVCodec *codec;
554 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
555 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
556 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
557 "results.\nAdd '-strict experimental' if you want to use it.\n",
558 codec_string, c->codec->name);
559 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
560 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
561 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
562 codec_string, codec->name);
563 exit_program(1);
564 }
565 }
566
567 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
568 {
569 if(codec && codec->sample_fmts){
570 const enum AVSampleFormat *p= codec->sample_fmts;
571 for(; *p!=-1; p++){
572 if(*p == st->codec->sample_fmt)
573 break;
574 }
575 if (*p == -1) {
576 av_log(NULL, AV_LOG_WARNING,
577 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
578 av_get_sample_fmt_name(st->codec->sample_fmt),
579 codec->name,
580 av_get_sample_fmt_name(codec->sample_fmts[0]));
581 st->codec->sample_fmt = codec->sample_fmts[0];
582 }
583 }
584 }
585
586 /**
587 * Update the requested input sample format based on the output sample format.
588 * This is currently only used to request float output from decoders which
589 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
590 * Ideally this will be removed in the future when decoders do not do format
591 * conversion and only output in their native format.
592 */
593 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
594 AVCodecContext *enc)
595 {
596 /* if sample formats match or a decoder sample format has already been
597 requested, just return */
598 if (enc->sample_fmt == dec->sample_fmt ||
599 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
600 return;
601
602 /* if decoder supports more than one output format */
603 if (dec_codec && dec_codec->sample_fmts &&
604 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
605 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
606 const enum AVSampleFormat *p;
607 int min_dec = -1, min_inc = -1;
608
609 /* find a matching sample format in the encoder */
610 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
611 if (*p == enc->sample_fmt) {
612 dec->request_sample_fmt = *p;
613 return;
614 } else if (*p > enc->sample_fmt) {
615 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
616 } else
617 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
618 }
619
620 /* if none match, provide the one that matches quality closest */
621 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
622 enc->sample_fmt - min_dec;
623 }
624 }
625
626 static void choose_sample_rate(AVStream *st, AVCodec *codec)
627 {
628 if(codec && codec->supported_samplerates){
629 const int *p= codec->supported_samplerates;
630 int best=0;
631 int best_dist=INT_MAX;
632 for(; *p; p++){
633 int dist= abs(st->codec->sample_rate - *p);
634 if(dist < best_dist){
635 best_dist= dist;
636 best= *p;
637 }
638 }
639 if(best_dist){
640 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
641 }
642 st->codec->sample_rate= best;
643 }
644 }
645
646 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
647 {
648 if(codec && codec->pix_fmts){
649 const enum PixelFormat *p= codec->pix_fmts;
650 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
651 if(st->codec->codec_id==CODEC_ID_MJPEG){
652 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
653 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
654 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};
655 }
656 }
657 for(; *p!=-1; p++){
658 if(*p == st->codec->pix_fmt)
659 break;
660 }
661 if (*p == -1) {
662 if(st->codec->pix_fmt != PIX_FMT_NONE)
663 av_log(NULL, AV_LOG_WARNING,
664 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
665 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
666 codec->name,
667 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
668 st->codec->pix_fmt = codec->pix_fmts[0];
669 }
670 }
671 }
672
673 static double
674 get_sync_ipts(const OutputStream *ost)
675 {
676 const InputStream *ist = ost->sync_ist;
677 OutputFile *of = &output_files[ost->file_index];
678 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
679 }
680
681 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
682 int ret;
683
684 while(bsfc){
685 AVPacket new_pkt= *pkt;
686 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
687 &new_pkt.data, &new_pkt.size,
688 pkt->data, pkt->size,
689 pkt->flags & AV_PKT_FLAG_KEY);
690 if(a>0){
691 av_free_packet(pkt);
692 new_pkt.destruct= av_destruct_packet;
693 } else if(a<0){
694 fprintf(stderr, "%s failed for stream %d, codec %s",
695 bsfc->filter->name, pkt->stream_index,
696 avctx->codec ? avctx->codec->name : "copy");
697 print_error("", a);
698 if (exit_on_error)
699 exit_program(1);
700 }
701 *pkt= new_pkt;
702
703 bsfc= bsfc->next;
704 }
705
706 ret= av_interleaved_write_frame(s, pkt);
707 if(ret < 0){
708 print_error("av_interleaved_write_frame()", ret);
709 exit_program(1);
710 }
711 }
712
713 static void do_audio_out(AVFormatContext *s,
714 OutputStream *ost,
715 InputStream *ist,
716 unsigned char *buf, int size)
717 {
718 uint8_t *buftmp;
719 int64_t audio_out_size, audio_buf_size;
720 int64_t allocated_for_size= size;
721
722 int size_out, frame_bytes, ret, resample_changed;
723 AVCodecContext *enc= ost->st->codec;
724 AVCodecContext *dec= ist->st->codec;
725 int osize = av_get_bytes_per_sample(enc->sample_fmt);
726 int isize = av_get_bytes_per_sample(dec->sample_fmt);
727 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
728
729 need_realloc:
730 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
731 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
732 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
733 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
734 audio_buf_size*= osize*enc->channels;
735
736 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
737 if(coded_bps > 8*osize)
738 audio_out_size= audio_out_size * coded_bps / (8*osize);
739 audio_out_size += FF_MIN_BUFFER_SIZE;
740
741 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
742 fprintf(stderr, "Buffer sizes too large\n");
743 exit_program(1);
744 }
745
746 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
747 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
748 if (!audio_buf || !audio_out){
749 fprintf(stderr, "Out of memory in do_audio_out\n");
750 exit_program(1);
751 }
752
753 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
754 ost->audio_resample = 1;
755
756 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
757 ost->resample_channels != dec->channels ||
758 ost->resample_sample_rate != dec->sample_rate;
759
760 if ((ost->audio_resample && !ost->resample) || resample_changed) {
761 if (resample_changed) {
762 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",
763 ist->file_index, ist->st->index,
764 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
765 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
766 ost->resample_sample_fmt = dec->sample_fmt;
767 ost->resample_channels = dec->channels;
768 ost->resample_sample_rate = dec->sample_rate;
769 if (ost->resample)
770 audio_resample_close(ost->resample);
771 }
772 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
773 if (audio_sync_method <= 1 &&
774 ost->resample_sample_fmt == enc->sample_fmt &&
775 ost->resample_channels == enc->channels &&
776 ost->resample_sample_rate == enc->sample_rate) {
777 ost->resample = NULL;
778 ost->audio_resample = 0;
779 } else if (ost->audio_resample) {
780 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
781 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
782 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
783 enc->sample_rate, dec->sample_rate,
784 enc->sample_fmt, dec->sample_fmt,
785 16, 10, 0, 0.8);
786 if (!ost->resample) {
787 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
788 dec->channels, dec->sample_rate,
789 enc->channels, enc->sample_rate);
790 exit_program(1);
791 }
792 }
793 }
794
795 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
796 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
797 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
798 if (ost->reformat_ctx)
799 av_audio_convert_free(ost->reformat_ctx);
800 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
801 dec->sample_fmt, 1, NULL, 0);
802 if (!ost->reformat_ctx) {
803 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
804 av_get_sample_fmt_name(dec->sample_fmt),
805 av_get_sample_fmt_name(enc->sample_fmt));
806 exit_program(1);
807 }
808 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
809 }
810
811 if(audio_sync_method){
812 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
813 - av_fifo_size(ost->fifo)/(enc->channels * 2);
814 double idelta= delta*dec->sample_rate / enc->sample_rate;
815 int byte_delta= ((int)idelta)*2*dec->channels;
816
817 //FIXME resample delay
818 if(fabs(delta) > 50){
819 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
820 if(byte_delta < 0){
821 byte_delta= FFMAX(byte_delta, -size);
822 size += byte_delta;
823 buf -= byte_delta;
824 if(verbose > 2)
825 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
826 if(!size)
827 return;
828 ist->is_start=0;
829 }else{
830 static uint8_t *input_tmp= NULL;
831 input_tmp= av_realloc(input_tmp, byte_delta + size);
832
833 if(byte_delta > allocated_for_size - size){
834 allocated_for_size= byte_delta + (int64_t)size;
835 goto need_realloc;
836 }
837 ist->is_start=0;
838
839 memset(input_tmp, 0, byte_delta);
840 memcpy(input_tmp + byte_delta, buf, size);
841 buf= input_tmp;
842 size += byte_delta;
843 if(verbose > 2)
844 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
845 }
846 }else if(audio_sync_method>1){
847 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
848 av_assert0(ost->audio_resample);
849 if(verbose > 2)
850 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
851 // 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));
852 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
853 }
854 }
855 }else
856 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
857 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
858
859 if (ost->audio_resample) {
860 buftmp = audio_buf;
861 size_out = audio_resample(ost->resample,
862 (short *)buftmp, (short *)buf,
863 size / (dec->channels * isize));
864 size_out = size_out * enc->channels * osize;
865 } else {
866 buftmp = buf;
867 size_out = size;
868 }
869
870 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
871 const void *ibuf[6]= {buftmp};
872 void *obuf[6]= {audio_buf};
873 int istride[6]= {isize};
874 int ostride[6]= {osize};
875 int len= size_out/istride[0];
876 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
877 printf("av_audio_convert() failed\n");
878 if (exit_on_error)
879 exit_program(1);
880 return;
881 }
882 buftmp = audio_buf;
883 size_out = len*osize;
884 }
885
886 /* now encode as many frames as possible */
887 if (enc->frame_size > 1) {
888 /* output resampled raw samples */
889 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
890 fprintf(stderr, "av_fifo_realloc2() failed\n");
891 exit_program(1);
892 }
893 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
894
895 frame_bytes = enc->frame_size * osize * enc->channels;
896
897 while (av_fifo_size(ost->fifo) >= frame_bytes) {
898 AVPacket pkt;
899 av_init_packet(&pkt);
900
901 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
902
903 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
904
905 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
906 (short *)audio_buf);
907 if (ret < 0) {
908 fprintf(stderr, "Audio encoding failed\n");
909 exit_program(1);
910 }
911 audio_size += ret;
912 pkt.stream_index= ost->index;
913 pkt.data= audio_out;
914 pkt.size= ret;
915 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
916 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
917 pkt.flags |= AV_PKT_FLAG_KEY;
918 write_frame(s, &pkt, enc, ost->bitstream_filters);
919
920 ost->sync_opts += enc->frame_size;
921 }
922 } else {
923 AVPacket pkt;
924 av_init_packet(&pkt);
925
926 ost->sync_opts += size_out / (osize * enc->channels);
927
928 /* output a pcm frame */
929 /* determine the size of the coded buffer */
930 size_out /= osize;
931 if (coded_bps)
932 size_out = size_out*coded_bps/8;
933
934 if(size_out > audio_out_size){
935 fprintf(stderr, "Internal error, buffer size too small\n");
936 exit_program(1);
937 }
938
939 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
940 ret = avcodec_encode_audio(enc, audio_out, size_out,
941 (short *)buftmp);
942 if (ret < 0) {
943 fprintf(stderr, "Audio encoding failed\n");
944 exit_program(1);
945 }
946 audio_size += ret;
947 pkt.stream_index= ost->index;
948 pkt.data= audio_out;
949 pkt.size= ret;
950 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
951 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
952 pkt.flags |= AV_PKT_FLAG_KEY;
953 write_frame(s, &pkt, enc, ost->bitstream_filters);
954 }
955 }
956
957 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
958 {
959 AVCodecContext *dec;
960 AVPicture *picture2;
961 AVPicture picture_tmp;
962 uint8_t *buf = 0;
963
964 dec = ist->st->codec;
965
966 /* deinterlace : must be done before any resize */
967 if (do_deinterlace) {
968 int size;
969
970 /* create temporary picture */
971 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
972 buf = av_malloc(size);
973 if (!buf)
974 return;
975
976 picture2 = &picture_tmp;
977 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
978
979 if(avpicture_deinterlace(picture2, picture,
980 dec->pix_fmt, dec->width, dec->height) < 0) {
981 /* if error, do not deinterlace */
982 fprintf(stderr, "Deinterlacing failed\n");
983 av_free(buf);
984 buf = NULL;
985 picture2 = picture;
986 }
987 } else {
988 picture2 = picture;
989 }
990
991 if (picture != picture2)
992 *picture = *picture2;
993 *bufp = buf;
994 }
995
996 static void do_subtitle_out(AVFormatContext *s,
997 OutputStream *ost,
998 InputStream *ist,
999 AVSubtitle *sub,
1000 int64_t pts)
1001 {
1002 static uint8_t *subtitle_out = NULL;
1003 int subtitle_out_max_size = 1024 * 1024;
1004 int subtitle_out_size, nb, i;
1005 AVCodecContext *enc;
1006 AVPacket pkt;
1007
1008 if (pts == AV_NOPTS_VALUE) {
1009 fprintf(stderr, "Subtitle packets must have a pts\n");
1010 if (exit_on_error)
1011 exit_program(1);
1012 return;
1013 }
1014
1015 enc = ost->st->codec;
1016
1017 if (!subtitle_out) {
1018 subtitle_out = av_malloc(subtitle_out_max_size);
1019 }
1020
1021 /* Note: DVB subtitle need one packet to draw them and one other
1022 packet to clear them */
1023 /* XXX: signal it in the codec context ? */
1024 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1025 nb = 2;
1026 else
1027 nb = 1;
1028
1029 for(i = 0; i < nb; i++) {
1030 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1031 // start_display_time is required to be 0
1032 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1033 sub->end_display_time -= sub->start_display_time;
1034 sub->start_display_time = 0;
1035 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1036 subtitle_out_max_size, sub);
1037 if (subtitle_out_size < 0) {
1038 fprintf(stderr, "Subtitle encoding failed\n");
1039 exit_program(1);
1040 }
1041
1042 av_init_packet(&pkt);
1043 pkt.stream_index = ost->index;
1044 pkt.data = subtitle_out;
1045 pkt.size = subtitle_out_size;
1046 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1047 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1048 /* XXX: the pts correction is handled here. Maybe handling
1049 it in the codec would be better */
1050 if (i == 0)
1051 pkt.pts += 90 * sub->start_display_time;
1052 else
1053 pkt.pts += 90 * sub->end_display_time;
1054 }
1055 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1056 }
1057 }
1058
1059 static int bit_buffer_size= 1024*256;
1060 static uint8_t *bit_buffer= NULL;
1061
1062 static void do_video_resample(OutputStream *ost,
1063 InputStream *ist,
1064 AVFrame *in_picture,
1065 AVFrame **out_picture)
1066 {
1067 int resample_changed = 0;
1068 AVCodecContext *dec = ist->st->codec;
1069 *out_picture = in_picture;
1070
1071 resample_changed = ost->resample_width != dec->width ||
1072 ost->resample_height != dec->height ||
1073 ost->resample_pix_fmt != dec->pix_fmt;
1074
1075 if (resample_changed) {
1076 av_log(NULL, AV_LOG_INFO,
1077 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1078 ist->file_index, ist->st->index,
1079 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1080 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1081 if(!ost->video_resample)
1082 ost->video_resample = 1;
1083 }
1084
1085 #if !CONFIG_AVFILTER
1086 if (ost->video_resample) {
1087 *out_picture = &ost->pict_tmp;
1088 if (resample_changed) {
1089 /* initialize a new scaler context */
1090 sws_freeContext(ost->img_resample_ctx);
1091 ost->img_resample_ctx = sws_getContext(
1092 ist->st->codec->width,
1093 ist->st->codec->height,
1094 ist->st->codec->pix_fmt,
1095 ost->st->codec->width,
1096 ost->st->codec->height,
1097 ost->st->codec->pix_fmt,
1098 ost->sws_flags, NULL, NULL, NULL);
1099 if (ost->img_resample_ctx == NULL) {
1100 fprintf(stderr, "Cannot get resampling context\n");
1101 exit_program(1);
1102 }
1103 }
1104 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1105 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1106 }
1107 #else
1108 if (resample_changed) {
1109 avfilter_graph_free(&ost->graph);
1110 if (configure_video_filters(ist, ost)) {
1111 fprintf(stderr, "Error reinitializing filters!\n");
1112 exit_program(1);
1113 }
1114 }
1115 #endif
1116 if (resample_changed) {
1117 ost->resample_width = dec->width;
1118 ost->resample_height = dec->height;
1119 ost->resample_pix_fmt = dec->pix_fmt;
1120 }
1121 }
1122
1123
1124 static void do_video_out(AVFormatContext *s,
1125 OutputStream *ost,
1126 InputStream *ist,
1127 AVFrame *in_picture,
1128 int *frame_size, float quality)
1129 {
1130 int nb_frames, i, ret, format_video_sync;
1131 AVFrame *final_picture;
1132 AVCodecContext *enc;
1133 double sync_ipts;
1134
1135 enc = ost->st->codec;
1136
1137 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1138
1139 /* by default, we output a single frame */
1140 nb_frames = 1;
1141
1142 *frame_size = 0;
1143
1144 format_video_sync = video_sync_method;
1145 if (format_video_sync < 0)
1146 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1147
1148 if (format_video_sync) {
1149 double vdelta = sync_ipts - ost->sync_opts;
1150 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1151 if (vdelta < -1.1)
1152 nb_frames = 0;
1153 else if (format_video_sync == 2) {
1154 if(vdelta<=-0.6){
1155 nb_frames=0;
1156 }else if(vdelta>0.6)
1157 ost->sync_opts= lrintf(sync_ipts);
1158 }else if (vdelta > 1.1)
1159 nb_frames = lrintf(vdelta);
1160 //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);
1161 if (nb_frames == 0){
1162 ++nb_frames_drop;
1163 if (verbose>2)
1164 fprintf(stderr, "*** drop!\n");
1165 }else if (nb_frames > 1) {
1166 nb_frames_dup += nb_frames - 1;
1167 if (verbose>2)
1168 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1169 }
1170 }else
1171 ost->sync_opts= lrintf(sync_ipts);
1172
1173 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1174 if (nb_frames <= 0)
1175 return;
1176
1177 do_video_resample(ost, ist, in_picture, &final_picture);
1178
1179 /* duplicates frame if needed */
1180 for(i=0;i<nb_frames;i++) {
1181 AVPacket pkt;
1182 av_init_packet(&pkt);
1183 pkt.stream_index= ost->index;
1184
1185 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1186 /* raw pictures are written as AVPicture structure to
1187 avoid any copies. We support temporarily the older
1188 method. */
1189 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1190 enc->coded_frame->top_field_first = in_picture->top_field_first;
1191 pkt.data= (uint8_t *)final_picture;
1192 pkt.size= sizeof(AVPicture);
1193 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1194 pkt.flags |= AV_PKT_FLAG_KEY;
1195
1196 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1197 } else {
1198 AVFrame big_picture;
1199
1200 big_picture= *final_picture;
1201 /* better than nothing: use input picture interlaced
1202 settings */
1203 big_picture.interlaced_frame = in_picture->interlaced_frame;
1204 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1205 if(top_field_first == -1)
1206 big_picture.top_field_first = in_picture->top_field_first;
1207 else
1208 big_picture.top_field_first = top_field_first;
1209 }
1210
1211 /* handles same_quant here. This is not correct because it may
1212 not be a global option */
1213 big_picture.quality = quality;
1214 if(!me_threshold)
1215 big_picture.pict_type = 0;
1216 // big_picture.pts = AV_NOPTS_VALUE;
1217 big_picture.pts= ost->sync_opts;
1218 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1219 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1220 if (ost->forced_kf_index < ost->forced_kf_count &&
1221 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1222 big_picture.pict_type = AV_PICTURE_TYPE_I;
1223 ost->forced_kf_index++;
1224 }
1225 ret = avcodec_encode_video(enc,
1226 bit_buffer, bit_buffer_size,
1227 &big_picture);
1228 if (ret < 0) {
1229 fprintf(stderr, "Video encoding failed\n");
1230 exit_program(1);
1231 }
1232
1233 if(ret>0){
1234 pkt.data= bit_buffer;
1235 pkt.size= ret;
1236 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1237 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1238 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1239 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1240 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1241
1242 if(enc->coded_frame->key_frame)
1243 pkt.flags |= AV_PKT_FLAG_KEY;
1244 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1245 *frame_size = ret;
1246 video_size += ret;
1247 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1248 // enc->frame_number-1, ret, enc->pict_type);
1249 /* if two pass, output log */
1250 if (ost->logfile && enc->stats_out) {
1251 fprintf(ost->logfile, "%s", enc->stats_out);
1252 }
1253 }
1254 }
1255 ost->sync_opts++;
1256 ost->frame_number++;
1257 }
1258 }
1259
1260 static double psnr(double d){
1261 return -10.0*log(d)/log(10.0);
1262 }
1263
1264 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1265 int frame_size)
1266 {
1267 AVCodecContext *enc;
1268 int frame_number;
1269 double ti1, bitrate, avg_bitrate;
1270
1271 /* this is executed just the first time do_video_stats is called */
1272 if (!vstats_file) {
1273 vstats_file = fopen(vstats_filename, "w");
1274 if (!vstats_file) {
1275 perror("fopen");
1276 exit_program(1);
1277 }
1278 }
1279
1280 enc = ost->st->codec;
1281 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1282 frame_number = ost->frame_number;
1283 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1284 if (enc->flags&CODEC_FLAG_PSNR)
1285 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1286
1287 fprintf(vstats_file,"f_size= %6d ", frame_size);
1288 /* compute pts value */
1289 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1290 if (ti1 < 0.01)
1291 ti1 = 0.01;
1292
1293 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1294 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1295 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1296 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1297 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1298 }
1299 }
1300
1301 static void print_report(OutputFile *output_files,
1302 OutputStream *ost_table, int nb_ostreams,
1303 int is_last_report, int64_t timer_start)
1304 {
1305 char buf[1024];
1306 OutputStream *ost;
1307 AVFormatContext *oc;
1308 int64_t total_size;
1309 AVCodecContext *enc;
1310 int frame_number, vid, i;
1311 double bitrate, ti1, pts;
1312 static int64_t last_time = -1;
1313 static int qp_histogram[52];
1314
1315 if (!is_last_report) {
1316 int64_t cur_time;
1317 /* display the report every 0.5 seconds */
1318 cur_time = av_gettime();
1319 if (last_time == -1) {
1320 last_time = cur_time;
1321 return;
1322 }
1323 if ((cur_time - last_time) < 500000)
1324 return;
1325 last_time = cur_time;
1326 }
1327
1328
1329 oc = output_files[0].ctx;
1330
1331 total_size = avio_size(oc->pb);
1332 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1333 total_size= avio_tell(oc->pb);
1334
1335 buf[0] = '\0';
1336 ti1 = 1e10;
1337 vid = 0;
1338 for(i=0;i<nb_ostreams;i++) {
1339 float q = -1;
1340 ost = &ost_table[i];
1341 enc = ost->st->codec;
1342 if (!ost->st->stream_copy && enc->coded_frame)
1343 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1344 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1345 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1346 }
1347 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1348 float t = (av_gettime()-timer_start) / 1000000.0;
1349
1350 frame_number = ost->frame_number;
1351 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1352 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1353 if(is_last_report)
1354 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1355 if(qp_hist){
1356 int j;
1357 int qp = lrintf(q);
1358 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1359 qp_histogram[qp]++;
1360 for(j=0; j<32; j++)
1361 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1362 }
1363 if (enc->flags&CODEC_FLAG_PSNR){
1364 int j;
1365 double error, error_sum=0;
1366 double scale, scale_sum=0;
1367 char type[3]= {'Y','U','V'};
1368 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1369 for(j=0; j<3; j++){
1370 if(is_last_report){
1371 error= enc->error[j];
1372 scale= enc->width*enc->height*255.0*255.0*frame_number;
1373 }else{
1374 error= enc->coded_frame->error[j];
1375 scale= enc->width*enc->height*255.0*255.0;
1376 }
1377 if(j) scale/=4;
1378 error_sum += error;
1379 scale_sum += scale;
1380 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1381 }
1382 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1383 }
1384 vid = 1;
1385 }
1386 /* compute min output value */
1387 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1388 if ((pts < ti1) && (pts > 0))
1389 ti1 = pts;
1390 }
1391 if (ti1 < 0.01)
1392 ti1 = 0.01;
1393
1394 if (verbose > 0 || is_last_report) {
1395 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1396
1397 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1398 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1399 (double)total_size / 1024, ti1, bitrate);
1400
1401 if (nb_frames_dup || nb_frames_drop)
1402 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1403 nb_frames_dup, nb_frames_drop);
1404
1405 if (verbose >= 0)
1406 fprintf(stderr, "%s \r", buf);
1407
1408 fflush(stderr);
1409 }
1410
1411 if (is_last_report && verbose >= 0){
1412 int64_t raw= audio_size + video_size + extra_size;
1413 fprintf(stderr, "\n");
1414 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1415 video_size/1024.0,
1416 audio_size/1024.0,
1417 extra_size/1024.0,
1418 100.0*(total_size - raw)/raw
1419 );
1420 }
1421 }
1422
1423 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1424 {
1425 int fill_char = 0x00;
1426 if (sample_fmt == AV_SAMPLE_FMT_U8)
1427 fill_char = 0x80;
1428 memset(buf, fill_char, size);
1429 }
1430
1431 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1432 {
1433 int i, ret;
1434
1435 for (i = 0; i < nb_ostreams; i++) {
1436 OutputStream *ost = &ost_table[i];
1437 AVCodecContext *enc = ost->st->codec;
1438 AVFormatContext *os = output_files[ost->file_index].ctx;
1439
1440 if (!ost->encoding_needed)
1441 continue;
1442
1443 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1444 continue;
1445 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1446 continue;
1447
1448 for(;;) {
1449 AVPacket pkt;
1450 int fifo_bytes;
1451 av_init_packet(&pkt);
1452 pkt.stream_index= ost->index;
1453
1454 switch (ost->st->codec->codec_type) {
1455 case AVMEDIA_TYPE_AUDIO:
1456 fifo_bytes = av_fifo_size(ost->fifo);
1457 ret = 0;
1458 /* encode any samples remaining in fifo */
1459 if (fifo_bytes > 0) {
1460 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1461 int fs_tmp = enc->frame_size;
1462
1463 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1464 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1465 enc->frame_size = fifo_bytes / (osize * enc->channels);
1466 } else { /* pad */
1467 int frame_bytes = enc->frame_size*osize*enc->channels;
1468 if (allocated_audio_buf_size < frame_bytes)
1469 exit_program(1);
1470 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1471 }
1472
1473 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1474 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1475 ost->st->time_base.num, enc->sample_rate);
1476 enc->frame_size = fs_tmp;
1477 }
1478 if (ret <= 0) {
1479 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1480 }
1481 if (ret < 0) {
1482 fprintf(stderr, "Audio encoding failed\n");
1483 exit_program(1);
1484 }
1485 audio_size += ret;
1486 pkt.flags |= AV_PKT_FLAG_KEY;
1487 break;
1488 case AVMEDIA_TYPE_VIDEO:
1489 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1490 if (ret < 0) {
1491 fprintf(stderr, "Video encoding failed\n");
1492 exit_program(1);
1493 }
1494 video_size += ret;
1495 if(enc->coded_frame && enc->coded_frame->key_frame)
1496 pkt.flags |= AV_PKT_FLAG_KEY;
1497 if (ost->logfile && enc->stats_out) {
1498 fprintf(ost->logfile, "%s", enc->stats_out);
1499 }
1500 break;
1501 default:
1502 ret=-1;
1503 }
1504
1505 if (ret <= 0)
1506 break;
1507 pkt.data = bit_buffer;
1508 pkt.size = ret;
1509 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1510 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1511 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1512 }
1513 }
1514 }
1515
1516 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1517 static int output_packet(InputStream *ist, int ist_index,
1518 OutputStream *ost_table, int nb_ostreams,
1519 const AVPacket *pkt)
1520 {
1521 AVFormatContext *os;
1522 OutputStream *ost;
1523 int ret, i;
1524 int got_output;
1525 AVFrame picture;
1526 void *buffer_to_free = NULL;
1527 static unsigned int samples_size= 0;
1528 AVSubtitle subtitle, *subtitle_to_free;
1529 int64_t pkt_pts = AV_NOPTS_VALUE;
1530 #if CONFIG_AVFILTER
1531 int frame_available;
1532 #endif
1533 float quality;
1534
1535 AVPacket avpkt;
1536 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1537
1538 if(ist->next_pts == AV_NOPTS_VALUE)
1539 ist->next_pts= ist->pts;
1540
1541 if (pkt == NULL) {
1542 /* EOF handling */
1543 av_init_packet(&avpkt);
1544 avpkt.data = NULL;
1545 avpkt.size = 0;
1546 goto handle_eof;
1547 } else {
1548 avpkt = *pkt;
1549 }
1550
1551 if(pkt->dts != AV_NOPTS_VALUE)
1552 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1553 if(pkt->pts != AV_NOPTS_VALUE)
1554 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1555
1556 //while we have more to decode or while the decoder did output something on EOF
1557 while (avpkt.size > 0 || (!pkt && got_output)) {
1558 uint8_t *data_buf, *decoded_data_buf;
1559 int data_size, decoded_data_size;
1560 handle_eof:
1561 ist->pts= ist->next_pts;
1562
1563 if(avpkt.size && avpkt.size != pkt->size &&
1564 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1565 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1566 ist->showed_multi_packet_warning=1;
1567 }
1568
1569 /* decode the packet if needed */
1570 decoded_data_buf = NULL; /* fail safe */
1571 decoded_data_size= 0;
1572 data_buf = avpkt.data;
1573 data_size = avpkt.size;
1574 subtitle_to_free = NULL;
1575 if (ist->decoding_needed) {
1576 switch(ist->st->codec->codec_type) {
1577 case AVMEDIA_TYPE_AUDIO:{
1578 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1579 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1580 av_free(samples);
1581 samples= av_malloc(samples_size);
1582 }
1583 decoded_data_size= samples_size;
1584 /* XXX: could avoid copy if PCM 16 bits with same
1585 endianness as CPU */
1586 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1587 &avpkt);
1588 if (ret < 0)
1589 return ret;
1590 avpkt.data += ret;
1591 avpkt.size -= ret;
1592 data_size = ret;
1593 got_output = decoded_data_size > 0;
1594 /* Some bug in mpeg audio decoder gives */
1595 /* decoded_data_size < 0, it seems they are overflows */
1596 if (!got_output) {
1597 /* no audio frame */
1598 continue;
1599 }
1600 decoded_data_buf = (uint8_t *)samples;
1601 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1602 (ist->st->codec->sample_rate * ist->st->codec->channels);
1603 break;}
1604 case AVMEDIA_TYPE_VIDEO:
1605 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1606 /* XXX: allocate picture correctly */
1607 avcodec_get_frame_defaults(&picture);
1608 avpkt.pts = pkt_pts;
1609 avpkt.dts = ist->pts;
1610 pkt_pts = AV_NOPTS_VALUE;
1611
1612 ret = avcodec_decode_video2(ist->st->codec,
1613 &picture, &got_output, &avpkt);
1614 quality = same_quant ? picture.quality : 0;
1615 if (ret < 0)
1616 return ret;
1617 if (!got_output) {
1618 /* no picture yet */
1619 goto discard_packet;
1620 }
1621 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1622 if (ist->st->codec->time_base.num != 0) {
1623 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1624 ist->next_pts += ((int64_t)AV_TIME_BASE *
1625 ist->st->codec->time_base.num * ticks) /
1626 ist->st->codec->time_base.den;
1627 }
1628 avpkt.size = 0;
1629 buffer_to_free = NULL;
1630 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1631 break;
1632 case AVMEDIA_TYPE_SUBTITLE:
1633 ret = avcodec_decode_subtitle2(ist->st->codec,
1634 &subtitle, &got_output, &avpkt);
1635 if (ret < 0)
1636 return ret;
1637 if (!got_output) {
1638 goto discard_packet;
1639 }
1640 subtitle_to_free = &subtitle;
1641 avpkt.size = 0;
1642 break;
1643 default:
1644 return -1;
1645 }
1646 } else {
1647 switch(ist->st->codec->codec_type) {
1648 case AVMEDIA_TYPE_AUDIO:
1649 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1650 ist->st->codec->sample_rate;
1651 break;
1652 case AVMEDIA_TYPE_VIDEO:
1653 if (ist->st->codec->time_base.num != 0) {
1654 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1655 ist->next_pts += ((int64_t)AV_TIME_BASE *
1656 ist->st->codec->time_base.num * ticks) /
1657 ist->st->codec->time_base.den;
1658 }
1659 break;
1660 }
1661 avpkt.size = 0;
1662 }
1663
1664 // preprocess audio (volume)
1665 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1666 if (audio_volume != 256) {
1667 short *volp;
1668 volp = samples;
1669 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1670 int v = ((*volp) * audio_volume + 128) >> 8;
1671 *volp++ = av_clip_int16(v);
1672 }
1673 }
1674 }
1675
1676 /* frame rate emulation */
1677 if (rate_emu) {
1678 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1679 int64_t now = av_gettime() - ist->start;
1680 if (pts > now)
1681 usleep(pts - now);
1682 }
1683 /* if output time reached then transcode raw format,
1684 encode packets and output them */
1685 for (i = 0; i < nb_ostreams; i++) {
1686 OutputFile *of = &output_files[ost_table[i].file_index];
1687 int frame_size;
1688
1689 ost = &ost_table[i];
1690 if (ost->source_index != ist_index)
1691 continue;
1692
1693 if (of->start_time && ist->pts < of->start_time)
1694 continue;
1695
1696 if (of->recording_time != INT64_MAX &&
1697 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1698 (AVRational){1, 1000000}) >= 0) {
1699 ost->is_past_recording_time = 1;
1700 continue;
1701 }
1702
1703 #if CONFIG_AVFILTER
1704 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1705 ost->input_video_filter) {
1706 AVRational sar;
1707 if (ist->st->sample_aspect_ratio.num)
1708 sar = ist->st->sample_aspect_ratio;
1709 else
1710 sar = ist->st->codec->sample_aspect_ratio;
1711 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1712 }
1713 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1714 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1715 while (frame_available) {
1716 AVRational ist_pts_tb;
1717 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1718 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1719 if (ost->picref)
1720 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1721 #endif
1722 os = output_files[ost->file_index].ctx;
1723
1724 /* set the input output pts pairs */
1725 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1726
1727 if (ost->encoding_needed) {
1728 av_assert0(ist->decoding_needed);
1729 switch(ost->st->codec->codec_type) {
1730 case AVMEDIA_TYPE_AUDIO:
1731 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1732 break;
1733 case AVMEDIA_TYPE_VIDEO:
1734 #if CONFIG_AVFILTER
1735 if (ost->picref->video && !ost->frame_aspect_ratio)
1736 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1737 #endif
1738 do_video_out(os, ost, ist, &picture, &frame_size,
1739 same_quant ? quality : ost->st->codec->global_quality);
1740 if (vstats_filename && frame_size)
1741 do_video_stats(os, ost, frame_size);
1742 break;
1743 case AVMEDIA_TYPE_SUBTITLE:
1744 do_subtitle_out(os, ost, ist, &subtitle,
1745 pkt->pts);
1746 break;
1747 default:
1748 abort();
1749 }
1750 } else {
1751 AVFrame avframe; //FIXME/XXX remove this
1752 AVPacket opkt;
1753 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1754
1755 av_init_packet(&opkt);
1756
1757 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1758 #if !CONFIG_AVFILTER
1759 continue;
1760 #else
1761 goto cont;
1762 #endif
1763
1764 /* no reencoding needed : output the packet directly */
1765 /* force the input stream PTS */
1766
1767 avcodec_get_frame_defaults(&avframe);
1768 ost->st->codec->coded_frame= &avframe;
1769 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1770
1771 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1772 audio_size += data_size;
1773 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1774 video_size += data_size;
1775 ost->sync_opts++;
1776 }
1777
1778 opkt.stream_index= ost->index;
1779 if(pkt->pts != AV_NOPTS_VALUE)
1780 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1781 else
1782 opkt.pts= AV_NOPTS_VALUE;
1783
1784 if (pkt->dts == AV_NOPTS_VALUE)
1785 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1786 else
1787 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1788 opkt.dts -= ost_tb_start_time;
1789
1790 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1791 opkt.flags= pkt->flags;
1792
1793 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1794 if( ost->st->codec->codec_id != CODEC_ID_H264
1795 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1796 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1797 ) {
1798 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1799 opkt.destruct= av_destruct_packet;
1800 } else {
1801 opkt.data = data_buf;
1802 opkt.size = data_size;
1803 }
1804
1805 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1806 ost->st->codec->frame_number++;
1807 ost->frame_number++;
1808 av_free_packet(&opkt);
1809 }
1810 #if CONFIG_AVFILTER
1811 cont:
1812 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1813 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1814 if (ost->picref)
1815 avfilter_unref_buffer(ost->picref);
1816 }
1817 #endif
1818 }
1819
1820 av_free(buffer_to_free);
1821 /* XXX: allocate the subtitles in the codec ? */
1822 if (subtitle_to_free) {
1823 avsubtitle_free(subtitle_to_free);
1824 subtitle_to_free = NULL;
1825 }
1826 }
1827 discard_packet:
1828
1829 return 0;
1830 }
1831
1832 static void print_sdp(OutputFile *output_files, int n)
1833 {
1834 char sdp[2048];
1835 int i;
1836 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1837
1838 if (!avc)
1839 exit_program(1);
1840 for (i = 0; i < n; i++)
1841 avc[i] = output_files[i].ctx;
1842
1843 av_sdp_create(avc, n, sdp, sizeof(sdp));
1844 printf("SDP:\n%s\n", sdp);
1845 fflush(stdout);
1846 av_freep(&avc);
1847 }
1848
1849 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1850 char *error, int error_len)
1851 {
1852 int i;
1853 InputStream *ist = &input_streams[ist_index];
1854 if (ist->decoding_needed) {
1855 AVCodec *codec = ist->dec;
1856 if (!codec) {
1857 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d.%d",
1858 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1859 return AVERROR(EINVAL);
1860 }
1861
1862 /* update requested sample format for the decoder based on the
1863 corresponding encoder sample format */
1864 for (i = 0; i < nb_output_streams; i++) {
1865 OutputStream *ost = &output_streams[i];
1866 if (ost->source_index == ist_index) {
1867 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1868 break;
1869 }
1870 }
1871
1872 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1873 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
1874 ist->file_index, ist->st->index);
1875 return AVERROR(EINVAL);
1876 }
1877 assert_codec_experimental(ist->st->codec, 0);
1878 assert_avoptions(ist->opts);
1879 }
1880
1881 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;
1882 ist->next_pts = AV_NOPTS_VALUE;
1883 init_pts_correction(&ist->pts_ctx);
1884 ist->is_start = 1;
1885
1886 return 0;
1887 }
1888
1889 static int transcode_init(OutputFile *output_files,
1890 int nb_output_files,
1891 InputFile *input_files,
1892 int nb_input_files)
1893 {
1894 int ret = 0, i;
1895 AVFormatContext *os;
1896 AVCodecContext *codec, *icodec;
1897 OutputStream *ost;
1898 InputStream *ist;
1899 char error[1024];
1900 int want_sdp = 1;
1901
1902 if (rate_emu)
1903 for (i = 0; i < nb_input_streams; i++)
1904 input_streams[i].start = av_gettime();
1905
1906 /* output stream init */
1907 for(i=0;i<nb_output_files;i++) {
1908 os = output_files[i].ctx;
1909 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1910 av_dump_format(os, i, os->filename, 1);
1911 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1912 return AVERROR(EINVAL);
1913 }
1914 }
1915
1916 /* for each output stream, we compute the right encoding parameters */
1917 for (i = 0; i < nb_output_streams; i++) {
1918 ost = &output_streams[i];
1919 os = output_files[ost->file_index].ctx;
1920 ist = &input_streams[ost->source_index];
1921
1922 codec = ost->st->codec;
1923 icodec = ist->st->codec;
1924
1925 ost->st->disposition = ist->st->disposition;
1926 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1927 codec->chroma_sample_location = icodec->chroma_sample_location;
1928
1929 if (ost->st->stream_copy) {
1930 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1931
1932 if (extra_size > INT_MAX) {
1933 return AVERROR(EINVAL);
1934 }
1935
1936 /* if stream_copy is selected, no need to decode or encode */
1937 codec->codec_id = icodec->codec_id;
1938 codec->codec_type = icodec->codec_type;
1939
1940 if(!codec->codec_tag){
1941 if( !os->oformat->codec_tag
1942 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1943 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1944 codec->codec_tag = icodec->codec_tag;
1945 }
1946
1947 codec->bit_rate = icodec->bit_rate;
1948 codec->rc_max_rate = icodec->rc_max_rate;
1949 codec->rc_buffer_size = icodec->rc_buffer_size;
1950 codec->extradata= av_mallocz(extra_size);
1951 if (!codec->extradata) {
1952 return AVERROR(ENOMEM);
1953 }
1954 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1955 codec->extradata_size= icodec->extradata_size;
1956 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){
1957 codec->time_base = icodec->time_base;
1958 codec->time_base.num *= icodec->ticks_per_frame;
1959 av_reduce(&codec->time_base.num, &codec->time_base.den,
1960 codec->time_base.num, codec->time_base.den, INT_MAX);
1961 }else
1962 codec->time_base = ist->st->time_base;
1963 switch(codec->codec_type) {
1964 case AVMEDIA_TYPE_AUDIO:
1965 if(audio_volume != 256) {
1966 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1967 exit_program(1);
1968 }
1969 codec->channel_layout = icodec->channel_layout;
1970 codec->sample_rate = icodec->sample_rate;
1971 codec->channels = icodec->channels;
1972 codec->frame_size = icodec->frame_size;
1973 codec->audio_service_type = icodec->audio_service_type;
1974 codec->block_align= icodec->block_align;
1975 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1976 codec->block_align= 0;
1977 if(codec->codec_id == CODEC_ID_AC3)
1978 codec->block_align= 0;
1979 break;
1980 case AVMEDIA_TYPE_VIDEO:
1981 codec->pix_fmt = icodec->pix_fmt;
1982 codec->width = icodec->width;
1983 codec->height = icodec->height;
1984 codec->has_b_frames = icodec->has_b_frames;
1985 if (!codec->sample_aspect_ratio.num) {
1986 codec->sample_aspect_ratio =
1987 ost->st->sample_aspect_ratio =
1988 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1989 ist->st->codec->sample_aspect_ratio.num ?
1990 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1991 }
1992 break;
1993 case AVMEDIA_TYPE_SUBTITLE:
1994 codec->width = icodec->width;
1995 codec->height = icodec->height;
1996 break;
1997 case AVMEDIA_TYPE_DATA:
1998 break;
1999 default:
2000 abort();
2001 }
2002 } else {
2003 if (!ost->enc)
2004 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2005 switch(codec->codec_type) {
2006 case AVMEDIA_TYPE_AUDIO:
2007 ost->fifo= av_fifo_alloc(1024);
2008 if (!ost->fifo) {
2009 return AVERROR(ENOMEM);
2010 }
2011 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2012 if (!codec->sample_rate) {
2013 codec->sample_rate = icodec->sample_rate;
2014 if (icodec->lowres)
2015 codec->sample_rate >>= icodec->lowres;
2016 }
2017 choose_sample_rate(ost->st, ost->enc);
2018 codec->time_base = (AVRational){1, codec->sample_rate};
2019 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2020 codec->sample_fmt = icodec->sample_fmt;
2021 choose_sample_fmt(ost->st, ost->enc);
2022 if (!codec->channels)
2023 codec->channels = icodec->channels;
2024 codec->channel_layout = icodec->channel_layout;
2025 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2026 codec->channel_layout = 0;
2027 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2028 icodec->request_channels = codec->channels;
2029 ist->decoding_needed = 1;
2030 ost->encoding_needed = 1;
2031 ost->resample_sample_fmt = icodec->sample_fmt;
2032 ost->resample_sample_rate = icodec->sample_rate;
2033 ost->resample_channels = icodec->channels;
2034 break;
2035 case AVMEDIA_TYPE_VIDEO:
2036 if (codec->pix_fmt == PIX_FMT_NONE)
2037 codec->pix_fmt = icodec->pix_fmt;
2038 choose_pixel_fmt(ost->st, ost->enc);
2039
2040 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2041 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2042 exit_program(1);
2043 }
2044
2045 if (!codec->width || !codec->height) {
2046 codec->width = icodec->width;
2047 codec->height = icodec->height;
2048 }
2049
2050 ost->video_resample = codec->width != icodec->width ||
2051 codec->height != icodec->height ||
2052 codec->pix_fmt != icodec->pix_fmt;
2053 if (ost->video_resample) {
2054 #if !CONFIG_AVFILTER
2055 avcodec_get_frame_defaults(&ost->pict_tmp);
2056 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2057 codec->width, codec->height)) {
2058 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2059 exit_program(1);
2060 }
2061 ost->img_resample_ctx = sws_getContext(
2062 icodec->width,
2063 icodec->height,
2064 icodec->pix_fmt,
2065 codec->width,
2066 codec->height,
2067 codec->pix_fmt,
2068 ost->sws_flags, NULL, NULL, NULL);
2069 if (ost->img_resample_ctx == NULL) {
2070 fprintf(stderr, "Cannot get resampling context\n");
2071 exit_program(1);
2072 }
2073 #endif
2074 codec->bits_per_raw_sample= 0;
2075 }
2076
2077 ost->resample_height = icodec->height;
2078 ost->resample_width = icodec->width;
2079 ost->resample_pix_fmt= icodec->pix_fmt;
2080 ost->encoding_needed = 1;
2081 ist->decoding_needed = 1;
2082
2083 if (!ost->frame_rate.num)
2084 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2085 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2086 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2087 ost->frame_rate = ost->enc->supported_framerates[idx];
2088 }
2089 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2090
2091 #if CONFIG_AVFILTER
2092 if (configure_video_filters(ist, ost)) {
2093 fprintf(stderr, "Error opening filters!\n");
2094 exit(1);
2095 }
2096 #endif
2097 break;
2098 case AVMEDIA_TYPE_SUBTITLE:
2099 ost->encoding_needed = 1;
2100 ist->decoding_needed = 1;
2101 break;
2102 default:
2103 abort();
2104 break;
2105 }
2106 /* two pass mode */
2107 if (ost->encoding_needed &&
2108 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2109 char logfilename[1024];
2110 FILE *f;
2111
2112 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2113 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2114 i);
2115 if (codec->flags & CODEC_FLAG_PASS1) {
2116 f = fopen(logfilename, "wb");
2117 if (!f) {
2118 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2119 exit_program(1);
2120 }
2121 ost->logfile = f;
2122 } else {
2123 char *logbuffer;
2124 size_t logbuffer_size;
2125 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2126 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2127 exit_program(1);
2128 }
2129 codec->stats_in = logbuffer;
2130 }
2131 }
2132 }
2133 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2134 int size= codec->width * codec->height;
2135 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2136 }
2137 }
2138
2139 if (!bit_buffer)
2140 bit_buffer = av_malloc(bit_buffer_size);
2141 if (!bit_buffer) {
2142 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2143 bit_buffer_size);
2144 return AVERROR(ENOMEM);
2145 }
2146
2147 /* open each encoder */
2148 for (i = 0; i < nb_output_streams; i++) {
2149 ost = &output_streams[i];
2150 if (ost->encoding_needed) {
2151 AVCodec *codec = ost->enc;
2152 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2153 if (!codec) {
2154 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2155 ost->st->codec->codec_id, ost->file_index, ost->index);
2156 ret = AVERROR(EINVAL);
2157 goto dump_format;
2158 }
2159 if (dec->subtitle_header) {
2160 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2161 if (!ost->st->codec->subtitle_header) {
2162 ret = AVERROR(ENOMEM);
2163 goto dump_format;
2164 }
2165 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2166 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2167 }
2168 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2169 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2170 ost->file_index, ost->index);
2171 ret = AVERROR(EINVAL);
2172 goto dump_format;
2173 }
2174 assert_codec_experimental(ost->st->codec, 1);
2175 assert_avoptions(ost->opts);
2176 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2177 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2178 "It takes bits/s as argument, not kbits/s\n");
2179 extra_size += ost->st->codec->extradata_size;
2180 }
2181 }
2182
2183 /* init input streams */
2184 for (i = 0; i < nb_input_streams; i++)
2185 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2186 goto dump_format;
2187
2188 /* open files and write file headers */
2189 for (i = 0; i < nb_output_files; i++) {
2190 os = output_files[i].ctx;
2191 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2192 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2193 ret = AVERROR(EINVAL);
2194 goto dump_format;
2195 }
2196 assert_avoptions(output_files[i].opts);
2197 if (strcmp(os->oformat->name, "rtp")) {
2198 want_sdp = 0;
2199 }
2200 }
2201
2202 dump_format:
2203 /* dump the file output parameters - cannot be done before in case
2204 of stream copy */
2205 for(i=0;i<nb_output_files;i++) {
2206 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2207 }
2208
2209 /* dump the stream mapping */
2210 if (verbose >= 0) {
2211 fprintf(stderr, "Stream mapping:\n");
2212 for (i = 0; i < nb_output_streams;i ++) {
2213 ost = &output_streams[i];
2214 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2215 input_streams[ost->source_index].file_index,
2216 input_streams[ost->source_index].st->index,
2217 ost->file_index,
2218 ost->index);
2219 if (ost->sync_ist != &input_streams[ost->source_index])
2220 fprintf(stderr, " [sync #%d.%d]",
2221 ost->sync_ist->file_index,
2222 ost->sync_ist->st->index);
2223 if (ost->st->stream_copy)
2224 fprintf(stderr, " (copy)");
2225 else
2226 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2227 input_streams[ost->source_index].dec->name : "?",
2228 ost->enc ? ost->enc->name : "?");
2229 fprintf(stderr, "\n");
2230 }
2231 }
2232
2233 if (ret) {
2234 fprintf(stderr, "%s\n", error);
2235 return ret;
2236 }
2237
2238 if (want_sdp) {
2239 print_sdp(output_files, nb_output_files);
2240 }
2241
2242 return 0;
2243 }
2244
2245 /*
2246 * The following code is the main loop of the file converter
2247 */
2248 static int transcode(OutputFile *output_files,
2249 int nb_output_files,
2250 InputFile *input_files,
2251 int nb_input_files)
2252 {
2253 int ret, i;
2254 AVFormatContext *is, *os;
2255 OutputStream *ost;
2256 InputStream *ist;
2257 uint8_t *no_packet;
2258 int no_packet_count=0;
2259 int64_t timer_start;
2260
2261 if (!(no_packet = av_mallocz(nb_input_files)))
2262 exit_program(1);
2263
2264 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2265 if (ret < 0)
2266 goto fail;
2267
2268 if (verbose >= 0)
2269 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2270 term_init();
2271
2272 timer_start = av_gettime();
2273
2274 for(; received_sigterm == 0;) {
2275 int file_index, ist_index;
2276 AVPacket pkt;
2277 int64_t ipts_min;
2278 double opts_min;
2279
2280 ipts_min = INT64_MAX;
2281 opts_min= 1e100;
2282
2283 /* select the stream that we must read now by looking at the
2284 smallest output pts */
2285 file_index = -1;
2286 for (i = 0; i < nb_output_streams; i++) {
2287 OutputFile *of;
2288 int64_t ipts;
2289 double opts;
2290 ost = &output_streams[i];
2291 of = &output_files[ost->file_index];
2292 os = output_files[ost->file_index].ctx;
2293 ist = &input_streams[ost->source_index];
2294 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2295 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2296 continue;
2297 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2298 ipts = ist->pts;
2299 if (!input_files[ist->file_index].eof_reached){
2300 if(ipts < ipts_min) {
2301 ipts_min = ipts;
2302 if(input_sync ) file_index = ist->file_index;
2303 }
2304 if(opts < opts_min) {
2305 opts_min = opts;
2306 if(!input_sync) file_index = ist->file_index;
2307 }
2308 }
2309 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2310 file_index= -1;
2311 break;
2312 }
2313 }
2314 /* if none, if is finished */
2315 if (file_index < 0) {
2316 if(no_packet_count){
2317 no_packet_count=0;
2318 memset(no_packet, 0, nb_input_files);
2319 usleep(10000);
2320 continue;
2321 }
2322 break;
2323 }
2324
2325 /* read a frame from it and output it in the fifo */
2326 is = input_files[file_index].ctx;
2327 ret= av_read_frame(is, &pkt);
2328 if(ret == AVERROR(EAGAIN)){
2329 no_packet[file_index]=1;
2330 no_packet_count++;
2331 continue;
2332 }
2333 if (ret < 0) {
2334 input_files[file_index].eof_reached = 1;
2335 if (opt_shortest)
2336 break;
2337 else
2338 continue;
2339 }
2340
2341 no_packet_count=0;
2342 memset(no_packet, 0, nb_input_files);
2343
2344 if (do_pkt_dump) {
2345 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2346 is->streams[pkt.stream_index]);
2347 }
2348 /* the following test is needed in case new streams appear
2349 dynamically in stream : we ignore them */
2350 if (pkt.stream_index >= input_files[file_index].nb_streams)
2351 goto discard_packet;
2352 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2353 ist = &input_streams[ist_index];
2354 if (ist->discard)
2355 goto discard_packet;
2356
2357 if (pkt.dts != AV_NOPTS_VALUE)
2358 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2359 if (pkt.pts != AV_NOPTS_VALUE)
2360 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2361
2362 if (ist->ts_scale) {
2363 if(pkt.pts != AV_NOPTS_VALUE)
2364 pkt.pts *= ist->ts_scale;
2365 if(pkt.dts != AV_NOPTS_VALUE)
2366 pkt.dts *= ist->ts_scale;
2367 }
2368
2369 // 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);
2370 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2371 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2372 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2373 int64_t delta= pkt_dts - ist->next_pts;
2374 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2375 input_files[ist->file_index].ts_offset -= delta;
2376 if (verbose > 2)
2377 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2378 delta, input_files[ist->file_index].ts_offset);
2379 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2380 if(pkt.pts != AV_NOPTS_VALUE)
2381 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2382 }
2383 }
2384
2385 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2386 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2387
2388 if (verbose >= 0)
2389 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2390 ist->file_index, ist->st->index);
2391 if (exit_on_error)
2392 exit_program(1);
2393 av_free_packet(&pkt);
2394 continue;
2395 }
2396
2397 discard_packet:
2398 av_free_packet(&pkt);
2399
2400 /* dump report by using the output first video and audio streams */
2401 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2402 }
2403
2404 /* at the end of stream, we must flush the decoder buffers */
2405 for (i = 0; i < nb_input_streams; i++) {
2406 ist = &input_streams[i];
2407 if (ist->decoding_needed) {
2408 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2409 }
2410 }
2411 flush_encoders(output_streams, nb_output_streams);
2412
2413 term_exit();
2414
2415 /* write the trailer if needed and close file */
2416 for(i=0;i<nb_output_files;i++) {
2417 os = output_files[i].ctx;
2418 av_write_trailer(os);
2419 }
2420
2421 /* dump report by using the first video and audio streams */
2422 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2423
2424 /* close each encoder */
2425 for (i = 0; i < nb_output_streams; i++) {
2426 ost = &output_streams[i];
2427 if (ost->encoding_needed) {
2428 av_freep(&ost->st->codec->stats_in);
2429 avcodec_close(ost->st->codec);
2430 }
2431 #if CONFIG_AVFILTER
2432 avfilter_graph_free(&ost->graph);
2433 #endif
2434 }
2435
2436 /* close each decoder */
2437 for (i = 0; i < nb_input_streams; i++) {
2438 ist = &input_streams[i];
2439 if (ist->decoding_needed) {
2440 avcodec_close(ist->st->codec);
2441 }
2442 }
2443
2444 /* finished ! */
2445 ret = 0;
2446
2447 fail:
2448 av_freep(&bit_buffer);
2449 av_freep(&no_packet);
2450
2451 if (output_streams) {
2452 for (i = 0; i < nb_output_streams; i++) {
2453 ost = &output_streams[i];
2454 if (ost) {
2455 if (ost->st->stream_copy)
2456 av_freep(&ost->st->codec->extradata);
2457 if (ost->logfile) {
2458 fclose(ost->logfile);
2459 ost->logfile = NULL;
2460 }
2461 av_fifo_free(ost->fifo); /* works even if fifo is not
2462 initialized but set to zero */
2463 av_freep(&ost->st->codec->subtitle_header);
2464 av_free(ost->pict_tmp.data[0]);
2465 av_free(ost->forced_kf_pts);
2466 if (ost->video_resample)
2467 sws_freeContext(ost->img_resample_ctx);
2468 if (ost->resample)
2469 audio_resample_close(ost->resample);
2470 if (ost->reformat_ctx)
2471 av_audio_convert_free(ost->reformat_ctx);
2472 av_dict_free(&ost->opts);
2473 }
2474 }
2475 }
2476 return ret;
2477 }
2478
2479 static int opt_video_rc_override_string(const char *opt, const char *arg)
2480 {
2481 video_rc_override_string = arg;
2482 return 0;
2483 }
2484
2485 static int opt_me_threshold(const char *opt, const char *arg)
2486 {
2487 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2488 return 0;
2489 }
2490
2491 static int opt_verbose(const char *opt, const char *arg)
2492 {
2493 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2494 return 0;
2495 }
2496
2497 static int opt_frame_rate(const char *opt, const char *arg)
2498 {
2499 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2500 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2501 exit_program(1);
2502 }
2503 return 0;
2504 }
2505
2506 static int opt_frame_size(const char *opt, const char *arg)
2507 {
2508 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2509 fprintf(stderr, "Incorrect frame size\n");
2510 return AVERROR(EINVAL);
2511 }
2512 return 0;
2513 }
2514
2515 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2516 {
2517 if (strcmp(arg, "list")) {
2518 frame_pix_fmt = av_get_pix_fmt(arg);
2519 if (frame_pix_fmt == PIX_FMT_NONE) {
2520 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2521 return AVERROR(EINVAL);
2522 }
2523 } else {
2524 show_pix_fmts();
2525 exit_program(0);
2526 }
2527 return 0;
2528 }
2529
2530 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2531 {
2532 int x = 0, y = 0;
2533 double ar = 0;
2534 const char *p;
2535 char *end;
2536
2537 p = strchr(arg, ':');
2538 if (p) {
2539 x = strtol(arg, &end, 10);
2540 if (end == p)
2541 y = strtol(end+1, &end, 10);
2542 if (x > 0 && y > 0)
2543 ar = (double)x / (double)y;
2544 } else
2545 ar = strtod(arg, NULL);
2546
2547 if (!ar) {
2548 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2549 return AVERROR(EINVAL);
2550 }
2551 frame_aspect_ratio = ar;
2552 return 0;
2553 }
2554
2555 static int opt_metadata(const char *opt, const char *arg)
2556 {
2557 char *mid= strchr(arg, '=');
2558
2559 if(!mid){
2560 fprintf(stderr, "Missing =\n");
2561 exit_program(1);
2562 }
2563 *mid++= 0;
2564
2565 av_dict_set(&metadata, arg, mid, 0);
2566
2567 return 0;
2568 }
2569
2570 static int opt_qscale(const char *opt, const char *arg)
2571 {
2572 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2573 if (video_qscale == 0) {
2574 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2575 return AVERROR(EINVAL);
2576 }
2577 return 0;
2578 }
2579
2580 static int opt_top_field_first(const char *opt, const char *arg)
2581 {
2582 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2583 return 0;
2584 }
2585
2586 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2587 {
2588 if (strcmp(arg, "list")) {
2589 audio_sample_fmt = av_get_sample_fmt(arg);
2590 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2591 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2592 return AVERROR(EINVAL);
2593 }
2594 } else {
2595 int i;
2596 char fmt_str[128];
2597 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2598 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2599 exit_program(0);
2600 }
2601 return 0;
2602 }
2603
2604 static int opt_audio_rate(const char *opt, const char *arg)
2605 {
2606 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2607 return 0;
2608 }
2609
2610 static int opt_audio_channels(const char *opt, const char *arg)
2611 {
2612 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2613 return 0;
2614 }
2615
2616 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2617 {
2618 return parse_option(o, "codec:a", arg, options);
2619 }
2620
2621 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2622 {
2623 return parse_option(o, "codec:v", arg, options);
2624 }
2625
2626 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2627 {
2628 return parse_option(o, "codec:s", arg, options);
2629 }
2630
2631 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2632 {
2633 return parse_option(o, "codec:d", arg, options);
2634 }
2635
2636 static int opt_codec_tag(const char *opt, const char *arg)
2637 {
2638 char *tail;
2639 uint32_t *codec_tag;
2640
2641 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2642 !strcmp(opt, "vtag") ? &video_codec_tag :
2643 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2644 if (!codec_tag)
2645 return -1;
2646
2647 *codec_tag = strtol(arg, &tail, 0);
2648 if (!tail || *tail)
2649 *codec_tag = AV_RL32(arg);
2650
2651 return 0;
2652 }
2653
2654 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2655 {
2656 StreamMap *m = NULL;
2657 int i, negative = 0, file_idx;
2658 int sync_file_idx = -1, sync_stream_idx;
2659 char *p, *sync;
2660 char *map;
2661
2662 if (*arg == '-') {
2663 negative = 1;
2664 arg++;
2665 }
2666 map = av_strdup(arg);
2667
2668 /* parse sync stream first, just pick first matching stream */
2669 if (sync = strchr(map, ',')) {
2670 *sync = 0;
2671 sync_file_idx = strtol(sync + 1, &sync, 0);
2672 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2673 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2674 exit_program(1);
2675 }
2676 if (*sync)
2677 sync++;
2678 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2679 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2680 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2681 sync_stream_idx = i;
2682 break;
2683 }
2684 if (i == input_files[sync_file_idx].nb_streams) {
2685 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2686 "match any streams.\n", arg);
2687 exit_program(1);
2688 }
2689 }
2690
2691
2692 file_idx = strtol(map, &p, 0);
2693 if (file_idx >= nb_input_files || file_idx < 0) {
2694 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2695 exit_program(1);
2696 }
2697 if (negative)
2698 /* disable some already defined maps */
2699 for (i = 0; i < o->nb_stream_maps; i++) {
2700 m = &o->stream_maps[i];
2701 if (check_stream_specifier(input_files[m->file_index].ctx,
2702 input_files[m->file_index].ctx->streams[m->stream_index],
2703 *p == ':' ? p + 1 : p) > 0)
2704 m->disabled = 1;
2705 }
2706 else
2707 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2708 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2709 *p == ':' ? p + 1 : p) <= 0)
2710 continue;
2711 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2712 &o->nb_stream_maps, o->nb_stream_maps + 1);
2713 m = &o->stream_maps[o->nb_stream_maps - 1];
2714
2715 m->file_index = file_idx;
2716 m->stream_index = i;
2717
2718 if (sync_file_idx >= 0) {
2719 m->sync_file_index = sync_file_idx;
2720 m->sync_stream_index = sync_stream_idx;
2721 } else {
2722 m->sync_file_index = file_idx;
2723 m->sync_stream_index = i;
2724 }
2725 }
2726
2727 if (!m) {
2728 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2729 exit_program(1);
2730 }
2731
2732 av_freep(&map);
2733 return 0;
2734 }
2735
2736 static void parse_meta_type(char *arg, char *type, int *index)
2737 {
2738 if (*arg == ':') {
2739 *type = *(++arg);
2740 switch (*arg) {
2741 case 'g':
2742 break;
2743 case 's':
2744 case 'c':
2745 case 'p':
2746 if (*(++arg) == ':')
2747 *index = strtol(++arg, NULL, 0);
2748 break;
2749 default:
2750 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2751 exit_program(1);
2752 }
2753 } else
2754 *type = 'g';
2755 }
2756
2757 static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
2758 {
2759 MetadataMap *m, *m1;
2760 char *p;
2761
2762 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
2763 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
2764
2765 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
2766 m->file = strtol(arg, &p, 0);
2767 parse_meta_type(p, &m->type, &m->index);
2768
2769 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
2770 if (p = strchr(opt, ':'))
2771 parse_meta_type(p, &m1->type, &m1->index);
2772 else
2773 m1->type = 'g';
2774
2775 if (m->type == 'g' || m1->type == 'g')
2776 o->metadata_global_manual = 1;
2777 if (m->type == 's' || m1->type == 's')
2778 o->metadata_streams_manual = 1;
2779 if (m->type == 'c' || m1->type == 'c')
2780 o->metadata_chapters_manual = 1;
2781
2782 return 0;
2783 }
2784
2785 static int opt_input_ts_scale(const char *opt, const char *arg)
2786 {
2787 return av_dict_set(&ts_scale, opt, arg, 0);
2788 }
2789
2790 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2791 {
2792 const char *codec_string = encoder ? "encoder" : "decoder";
2793 AVCodec *codec;
2794
2795 if(!name)
2796 return CODEC_ID_NONE;
2797 codec = encoder ?
2798 avcodec_find_encoder_by_name(name) :
2799 avcodec_find_decoder_by_name(name);
2800 if(!codec) {
2801 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2802 exit_program(1);
2803 }
2804 if(codec->type != type) {
2805 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2806 exit_program(1);
2807 }
2808 return codec->id;
2809 }
2810
2811 static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type)
2812 {
2813 char *codec_name = NULL;
2814
2815 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
2816
2817 if (!codec_name) {
2818 if (s->oformat) {
2819 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2820 return avcodec_find_encoder(st->codec->codec_id);
2821 }
2822 } else if (!strcmp(codec_name, "copy"))
2823 st->stream_copy = 1;
2824 else {
2825 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2826 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2827 avcodec_find_decoder_by_name(codec_name);
2828 }
2829
2830 return NULL;
2831 }
2832
2833 /**
2834 * Add all the streams from the given input file to the global
2835 * list of input streams.
2836 */
2837 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
2838 {
2839 int i, rfps, rfps_base, ret;
2840
2841 for (i = 0; i < ic->nb_streams; i++) {
2842 AVStream *st = ic->streams[i];
2843 AVCodecContext *dec = st->codec;
2844 AVDictionaryEntry *e = NULL;
2845 InputStream *ist;
2846 char *scale = NULL;
2847
2848 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2849 ist = &input_streams[nb_input_streams - 1];
2850 ist->st = st;
2851 ist->file_index = nb_input_files;
2852 ist->discard = 1;
2853 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2854
2855 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
2856 char *p = strchr(e->key, ':');
2857
2858 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
2859 scale = e->value;
2860 else if (ret < 0)
2861 exit_program(1);
2862 }
2863 if (scale)
2864 ist->ts_scale = strtod(scale, NULL);
2865
2866 ist->dec = choose_codec(o, ic, st, dec->codec_type);
2867 if (!ist->dec)
2868 ist->dec = avcodec_find_decoder(dec->codec_id);
2869
2870 switch (dec->codec_type) {
2871 case AVMEDIA_TYPE_AUDIO:
2872 if(audio_disable)
2873 st->discard= AVDISCARD_ALL;
2874 break;
2875 case AVMEDIA_TYPE_VIDEO:
2876 rfps = ic->streams[i]->r_frame_rate.num;
2877 rfps_base = ic->streams[i]->r_frame_rate.den;
2878 if (dec->lowres) {
2879 dec->flags |= CODEC_FLAG_EMU_EDGE;
2880 dec->height >>= dec->lowres;
2881 dec->width >>= dec->lowres;
2882 }
2883 if(me_threshold)
2884 dec->debug |= FF_DEBUG_MV;
2885
2886 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2887
2888 if (verbose >= 0)
2889 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2890 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2891
2892 (float)rfps / rfps_base, rfps, rfps_base);
2893 }
2894
2895 if(video_disable)
2896 st->discard= AVDISCARD_ALL;
2897 else if(video_discard)
2898 st->discard= video_discard;
2899 break;
2900 case AVMEDIA_TYPE_DATA:
2901 break;
2902 case AVMEDIA_TYPE_SUBTITLE:
2903 if(subtitle_disable)
2904 st->discard = AVDISCARD_ALL;
2905 break;
2906 case AVMEDIA_TYPE_ATTACHMENT:
2907 case AVMEDIA_TYPE_UNKNOWN:
2908 break;
2909 default:
2910 abort();
2911 }
2912 }
2913 }
2914
2915 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
2916 {
2917 AVFormatContext *ic;
2918 AVInputFormat *file_iformat = NULL;
2919 int err, i, ret;
2920 int64_t timestamp;
2921 uint8_t buf[128];
2922 AVDictionary **opts;
2923 int orig_nb_streams; // number of streams before avformat_find_stream_info
2924
2925 if (o->format) {
2926 if (!(file_iformat = av_find_input_format(o->format))) {
2927 fprintf(stderr, "Unknown input format: '%s'\n", o->format);
2928 exit_program(1);
2929 }
2930 }
2931
2932 if (!strcmp(filename, "-"))
2933 filename = "pipe:";
2934
2935 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2936 !strcmp(filename, "/dev/stdin");
2937
2938 /* get default parameters from command line */
2939 ic = avformat_alloc_context();
2940 if (!ic) {
2941 print_error(filename, AVERROR(ENOMEM));
2942 exit_program(1);
2943 }
2944 if (audio_sample_rate) {
2945 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
2946 av_dict_set(&format_opts, "sample_rate", buf, 0);
2947 }
2948 if (audio_channels) {
2949 snprintf(buf, sizeof(buf), "%d", audio_channels);
2950 av_dict_set(&format_opts, "channels", buf, 0);
2951 }
2952 if (frame_rate.num) {
2953 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
2954 av_dict_set(&format_opts, "framerate", buf, 0);
2955 }
2956 if (frame_width && frame_height) {
2957 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
2958 av_dict_set(&format_opts, "video_size", buf, 0);
2959 }
2960 if (frame_pix_fmt != PIX_FMT_NONE)
2961 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
2962
2963 ic->flags |= AVFMT_FLAG_NONBLOCK;
2964
2965 /* open the input file with generic libav function */
2966 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2967 if (err < 0) {
2968 print_error(filename, err);
2969 exit_program(1);
2970 }
2971 assert_avoptions(format_opts);
2972
2973 if(opt_programid) {
2974 int i, j;
2975 int found=0;
2976 for(i=0; i<ic->nb_streams; i++){
2977 ic->streams[i]->discard= AVDISCARD_ALL;
2978 }
2979 for(i=0; i<ic->nb_programs; i++){
2980 AVProgram *p= ic->programs[i];
2981 if(p->id != opt_programid){
2982 p->discard = AVDISCARD_ALL;
2983 }else{
2984 found=1;
2985 for(j=0; j<p->nb_stream_indexes; j++){
2986 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
2987 }
2988 }
2989 }
2990 if(!found){
2991 fprintf(stderr, "Specified program id not found\n");
2992 exit_program(1);
2993 }
2994 opt_programid=0;
2995 }
2996
2997 /* apply forced codec ids */
2998 for (i = 0; i < ic->nb_streams; i++)
2999 choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type);
3000
3001 /* Set AVCodecContext options for avformat_find_stream_info */
3002 opts = setup_find_stream_info_opts(ic, codec_opts);
3003 orig_nb_streams = ic->nb_streams;
3004
3005 /* If not enough info to get the stream parameters, we decode the
3006 first frames to get it. (used in mpeg case for example) */
3007 ret = avformat_find_stream_info(ic, opts);
3008 if (ret < 0 && verbose >= 0) {
3009 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3010 av_close_input_file(ic);
3011 exit_program(1);
3012 }
3013
3014 timestamp = o->start_time;
3015 /* add the stream start time */
3016 if (ic->start_time != AV_NOPTS_VALUE)
3017 timestamp += ic->start_time;
3018
3019 /* if seeking requested, we execute it */
3020 if (o->start_time != 0) {
3021 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3022 if (ret < 0) {
3023 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3024 filename, (double)timestamp / AV_TIME_BASE);
3025 }
3026 }
3027
3028 /* update the current parameters so that they match the one of the input stream */
3029 add_input_streams(o, ic);
3030
3031 /* dump the file content */
3032 if (verbose >= 0)
3033 av_dump_format(ic, nb_input_files, filename, 0);
3034
3035 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3036 input_files[nb_input_files - 1].ctx = ic;
3037 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3038 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3039 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3040
3041 frame_rate = (AVRational){0, 0};
3042 frame_pix_fmt = PIX_FMT_NONE;
3043 frame_height = 0;
3044 frame_width = 0;
3045 audio_sample_rate = 0;
3046 audio_channels = 0;
3047 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3048 av_dict_free(&ts_scale);
3049
3050 for (i = 0; i < orig_nb_streams; i++)
3051 av_dict_free(&opts[i]);
3052 av_freep(&opts);
3053
3054 reset_options(o);
3055 return 0;
3056 }
3057
3058 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3059 AVCodecContext *avctx)
3060 {
3061 char *p;
3062 int n = 1, i;
3063 int64_t t;
3064
3065 for (p = kf; *p; p++)
3066 if (*p == ',')
3067 n++;
3068 ost->forced_kf_count = n;
3069 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3070 if (!ost->forced_kf_pts) {
3071 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3072 exit_program(1);
3073 }
3074 for (i = 0; i < n; i++) {
3075 p = i ? strchr(p, ',') + 1 : kf;
3076 t = parse_time_or_die("force_key_frames", p, 1);
3077 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3078 }
3079 }
3080
3081 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3082 {
3083 OutputStream *ost;
3084 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3085 int idx = oc->nb_streams - 1;
3086
3087 if (!st) {
3088 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3089 exit_program(1);
3090 }
3091
3092 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3093 nb_output_streams + 1);
3094 ost = &output_streams[nb_output_streams - 1];
3095 ost->file_index = nb_output_files;
3096 ost->index = idx;
3097 ost->st = st;
3098 st->codec->codec_type = type;
3099 ost->enc = choose_codec(o, oc, st, type);
3100 if (ost->enc) {
3101 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3102 }
3103
3104 avcodec_get_context_defaults3(st->codec, ost->enc);
3105 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3106
3107 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3108 return ost;
3109 }
3110
3111 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3112 {
3113 AVStream *st;
3114 OutputStream *ost;
3115 AVCodecContext *video_enc;
3116
3117 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3118 st = ost->st;
3119 if (!st->stream_copy) {
3120 ost->frame_aspect_ratio = frame_aspect_ratio;
3121 frame_aspect_ratio = 0;
3122 #if CONFIG_AVFILTER
3123 ost->avfilter= vfilters;
3124 vfilters = NULL;
3125 #endif
3126 }
3127
3128 ost->bitstream_filters = video_bitstream_filters;
3129 video_bitstream_filters= NULL;
3130
3131 video_enc = st->codec;
3132
3133 if(video_codec_tag)
3134 video_enc->codec_tag= video_codec_tag;
3135
3136 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3137 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3138 }
3139
3140 if (st->stream_copy) {
3141 video_enc->sample_aspect_ratio =
3142 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3143 } else {
3144 const char *p;
3145 int i;
3146
3147 if (frame_rate.num)
3148 ost->frame_rate = frame_rate;
3149
3150 video_enc->width = frame_width;
3151 video_enc->height = frame_height;
3152 video_enc->pix_fmt = frame_pix_fmt;
3153 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3154
3155 if (video_qscale || same_quant) {
3156 video_enc->flags |= CODEC_FLAG_QSCALE;
3157 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3158 }
3159
3160 if(intra_matrix)
3161 video_enc->intra_matrix = intra_matrix;
3162 if(inter_matrix)
3163 video_enc->inter_matrix = inter_matrix;
3164
3165 p= video_rc_override_string;
3166 for(i=0; p; i++){
3167 int start, end, q;
3168 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3169 if(e!=3){
3170 fprintf(stderr, "error parsing rc_override\n");
3171 exit_program(1);
3172 }
3173 video_enc->rc_override=
3174 av_realloc(video_enc->rc_override,
3175 sizeof(RcOverride)*(i+1));
3176 video_enc->rc_override[i].start_frame= start;
3177 video_enc->rc_override[i].end_frame = end;
3178 if(q>0){
3179 video_enc->rc_override[i].qscale= q;
3180 video_enc->rc_override[i].quality_factor= 1.0;
3181 }
3182 else{
3183 video_enc->rc_override[i].qscale= 0;
3184 video_enc->rc_override[i].quality_factor= -q/100.0;
3185 }
3186 p= strchr(p, '/');
3187 if(p) p++;
3188 }
3189 video_enc->rc_override_count=i;
3190 if (!video_enc->rc_initial_buffer_occupancy)
3191 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3192 video_enc->me_threshold= me_threshold;
3193 video_enc->intra_dc_precision= intra_dc_precision - 8;
3194
3195 if (do_psnr)
3196 video_enc->flags|= CODEC_FLAG_PSNR;
3197
3198 /* two pass mode */
3199 if (do_pass) {
3200 if (do_pass == 1) {
3201 video_enc->flags |= CODEC_FLAG_PASS1;
3202 } else {
3203 video_enc->flags |= CODEC_FLAG_PASS2;
3204 }
3205 }
3206
3207 if (forced_key_frames)
3208 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3209 }
3210 if (video_language) {
3211 av_dict_set(&st->metadata, "language", video_language, 0);
3212 av_freep(&video_language);
3213 }
3214
3215 /* reset some key parameters */
3216 video_disable = 0;
3217 av_freep(&forced_key_frames);
3218 frame_pix_fmt = PIX_FMT_NONE;
3219 return ost;
3220 }
3221
3222 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3223 {
3224 AVStream *st;
3225 OutputStream *ost;
3226 AVCodecContext *audio_enc;
3227
3228 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3229 st = ost->st;
3230
3231 ost->bitstream_filters = audio_bitstream_filters;
3232 audio_bitstream_filters= NULL;
3233
3234 audio_enc = st->codec;
3235 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3236
3237 if(audio_codec_tag)
3238 audio_enc->codec_tag= audio_codec_tag;
3239
3240 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3241 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3242 }
3243 if (!st->stream_copy) {
3244 if (audio_qscale > QSCALE_NONE) {
3245 audio_enc->flags |= CODEC_FLAG_QSCALE;
3246 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3247 }
3248 if (audio_channels)
3249 audio_enc->channels = audio_channels;
3250 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3251 audio_enc->sample_fmt = audio_sample_fmt;
3252 if (audio_sample_rate)
3253 audio_enc->sample_rate = audio_sample_rate;
3254 }
3255 if (audio_language) {
3256 av_dict_set(&st->metadata, "language", audio_language, 0);
3257 av_freep(&audio_language);
3258 }
3259
3260 /* reset some key parameters */
3261 audio_disable = 0;
3262
3263 return ost;
3264 }
3265
3266 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3267 {
3268 AVStream *st;
3269 OutputStream *ost;
3270 AVCodecContext *data_enc;
3271
3272 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3273 st = ost->st;
3274 data_enc = st->codec;
3275 if (!st->stream_copy) {
3276 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3277 exit_program(1);
3278 }
3279
3280 if (data_codec_tag)
3281 data_enc->codec_tag= data_codec_tag;
3282
3283 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3284 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3285 }
3286
3287 data_disable = 0;
3288 return ost;
3289 }
3290
3291 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3292 {
3293 AVStream *st;
3294 OutputStream *ost;
3295 AVCodecContext *subtitle_enc;
3296
3297 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3298 st = ost->st;
3299 subtitle_enc = st->codec;
3300
3301 ost->bitstream_filters = subtitle_bitstream_filters;
3302 subtitle_bitstream_filters= NULL;
3303
3304 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3305
3306 if(subtitle_codec_tag)
3307 subtitle_enc->codec_tag= subtitle_codec_tag;
3308
3309 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3310 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3311 }
3312
3313 if (subtitle_language) {
3314 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3315 av_freep(&subtitle_language);
3316 }
3317
3318 subtitle_disable = 0;
3319 return ost;
3320 }
3321
3322 /* arg format is "output-stream-index:streamid-value". */
3323 static int opt_streamid(const char *opt, const char *arg)
3324 {
3325 int idx;
3326 char *p;
3327 char idx_str[16];
3328
3329 av_strlcpy(idx_str, arg, sizeof(idx_str));
3330 p = strchr(idx_str, ':');
3331 if (!p) {
3332 fprintf(stderr,
3333 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3334 arg, opt);
3335 exit_program(1);
3336 }
3337 *p++ = '\0';
3338 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3339 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3340 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3341 return 0;
3342 }
3343
3344 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3345 {
3346 AVFormatContext *is = ifile->ctx;
3347 AVFormatContext *os = ofile->ctx;
3348 int i;
3349
3350 for (i = 0; i < is->nb_chapters; i++) {
3351 AVChapter *in_ch = is->chapters[i], *out_ch;
3352 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3353 AV_TIME_BASE_Q, in_ch->time_base);
3354 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3355 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3356
3357
3358 if (in_ch->end < ts_off)
3359 continue;
3360 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3361 break;
3362
3363 out_ch = av_mallocz(sizeof(AVChapter));
3364 if (!out_ch)
3365 return AVERROR(ENOMEM);
3366
3367 out_ch->id = in_ch->id;
3368 out_ch->time_base = in_ch->time_base;
3369 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3370 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3371
3372 if (copy_metadata)
3373 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3374
3375 os->nb_chapters++;
3376 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3377 if (!os->chapters)
3378 return AVERROR(ENOMEM);
3379 os->chapters[os->nb_chapters - 1] = out_ch;
3380 }
3381 return 0;
3382 }
3383
3384 static int read_avserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
3385 {
3386 int i, err;
3387 AVFormatContext *ic = NULL;
3388
3389 err = avformat_open_input(&ic, filename, NULL, NULL);
3390 if (err < 0)
3391 return err;
3392 /* copy stream format */
3393 for(i=0;i<ic->nb_streams;i++) {
3394 AVStream *st;
3395 OutputStream *ost;
3396 AVCodec *codec;
3397
3398 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3399 ost = new_output_stream(o, s, codec->type);
3400 st = ost->st;
3401
3402 // FIXME: a more elegant solution is needed
3403 memcpy(st, ic->streams[i], sizeof(AVStream));
3404 st->info = NULL;
3405 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3406
3407 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3408 choose_sample_fmt(st, codec);
3409 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3410 choose_pixel_fmt(st, codec);
3411 }
3412
3413 av_close_input_file(ic);
3414 return 0;
3415 }
3416
3417 static void opt_output_file(void *optctx, const char *filename)
3418 {
3419 OptionsContext *o = optctx;
3420 AVFormatContext *oc;
3421 int i, err;
3422 AVOutputFormat *file_oformat;
3423 OutputStream *ost;
3424 InputStream *ist;
3425
3426 if (!strcmp(filename, "-"))
3427 filename = "pipe:";
3428
3429 oc = avformat_alloc_context();
3430 if (!oc) {
3431 print_error(filename, AVERROR(ENOMEM));
3432 exit_program(1);
3433 }
3434
3435 if (o->format) {
3436 file_oformat = av_guess_format(o->format, NULL, NULL);
3437 if (!file_oformat) {
3438 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", o->format);
3439 exit_program(1);
3440 }
3441 } else {
3442 file_oformat = av_guess_format(NULL, filename, NULL);
3443 if (!file_oformat) {
3444 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3445 filename);
3446 exit_program(1);
3447 }
3448 }
3449
3450 oc->oformat = file_oformat;
3451 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3452
3453 if (!strcmp(file_oformat->name, "ffm") &&
3454 av_strstart(filename, "http:", NULL)) {
3455 /* special case for files sent to avserver: we get the stream
3456 parameters from avserver */
3457 int err = read_avserver_streams(o, oc, filename);
3458 if (err < 0) {
3459 print_error(filename, err);
3460 exit_program(1);
3461 }
3462 } else if (!o->nb_stream_maps) {
3463 /* pick the "best" stream of each type */
3464 #define NEW_STREAM(type, index)\
3465 if (index >= 0) {\
3466 ost = new_ ## type ## _stream(o, oc);\
3467 ost->source_index = index;\
3468 ost->sync_ist = &input_streams[index];\
3469 input_streams[index].discard = 0;\
3470 }
3471
3472 /* video: highest resolution */
3473 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3474 int area = 0, idx = -1;
3475 for (i = 0; i < nb_input_streams; i++) {
3476 ist = &input_streams[i];
3477 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3478 ist->st->codec->width * ist->st->codec->height > area) {
3479 area = ist->st->codec->width * ist->st->codec->height;
3480 idx = i;
3481 }
3482 }
3483 NEW_STREAM(video, idx);
3484 }
3485
3486 /* audio: most channels */
3487 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3488 int channels = 0, idx = -1;
3489 for (i = 0; i < nb_input_streams; i++) {
3490 ist = &input_streams[i];
3491 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3492 ist->st->codec->channels > channels) {
3493 channels = ist->st->codec->channels;
3494 idx = i;
3495 }
3496 }
3497 NEW_STREAM(audio, idx);
3498 }
3499
3500 /* subtitles: pick first */
3501 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3502 for (i = 0; i < nb_input_streams; i++)
3503 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3504 NEW_STREAM(subtitle, i);
3505 break;
3506 }
3507 }
3508 /* do something with data? */
3509 } else {
3510 for (i = 0; i < o->nb_stream_maps; i++) {
3511 StreamMap *map = &o->stream_maps[i];
3512
3513 if (map->disabled)
3514 continue;
3515
3516 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3517 switch (ist->st->codec->codec_type) {
3518 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3519 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3520 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3521 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3522 default:
3523 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3524 map->file_index, map->stream_index);
3525 exit_program(1);
3526 }
3527
3528 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3529 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3530 map->sync_stream_index];
3531 ist->discard = 0;
3532 }
3533 }
3534
3535 av_dict_copy(&oc->metadata, metadata, 0);
3536 av_dict_free(&metadata);
3537
3538
3539 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3540 output_files[nb_output_files - 1].ctx = oc;
3541 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3542 output_files[nb_output_files - 1].recording_time = o->recording_time;
3543 output_files[nb_output_files - 1].start_time = o->start_time;
3544 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
3545 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3546
3547 /* check filename in case of an image number is expected */
3548 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3549 if (!av_filename_number_test(oc->filename)) {
3550 print_error(oc->filename, AVERROR(EINVAL));
3551 exit_program(1);
3552 }
3553 }
3554
3555 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3556 /* test if it already exists to avoid loosing precious files */
3557 if (!file_overwrite &&
3558 (strchr(filename, ':') == NULL ||
3559 filename[1] == ':' ||
3560 av_strstart(filename, "file:", NULL))) {
3561 if (avio_check(filename, 0) == 0) {
3562 if (!using_stdin) {
3563 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3564 fflush(stderr);
3565 if (!read_yesno()) {
3566 fprintf(stderr, "Not overwriting - exiting\n");
3567 exit_program(1);
3568 }
3569 }
3570 else {
3571 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3572 exit_program(1);
3573 }
3574 }
3575 }
3576
3577 /* open the file */
3578 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3579 print_error(filename, err);
3580 exit_program(1);
3581 }
3582 }
3583
3584 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3585 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3586 oc->flags |= AVFMT_FLAG_NONBLOCK;
3587
3588 /* copy chapters */
3589 if (chapters_input_file >= nb_input_files) {
3590 if (chapters_input_file == INT_MAX) {
3591 /* copy chapters from the first input file that has them*/
3592 chapters_input_file = -1;
3593 for (i = 0; i < nb_input_files; i++)
3594 if (input_files[i].ctx->nb_chapters) {
3595 chapters_input_file = i;
3596 break;
3597 }
3598 } else {
3599 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3600 chapters_input_file);
3601 exit_program(1);
3602 }
3603 }
3604 if (chapters_input_file >= 0)
3605 copy_chapters(&input_files[chapters_input_file], &output_files[nb_output_files - 1],
3606 o->metadata_chapters_manual);
3607
3608 /* copy metadata */
3609 for (i = 0; i < o->nb_meta_data_maps; i++) {
3610 AVFormatContext *files[2];
3611 AVDictionary **meta[2];
3612 int j;
3613
3614 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3615 if ((index) < 0 || (index) >= (nb_elems)) {\
3616 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3617 (desc), (index));\
3618 exit_program(1);\
3619 }
3620
3621 int in_file_index = o->meta_data_maps[i][1].file;
3622 if (in_file_index < 0)
3623 continue;
3624 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3625
3626 files[0] = oc;
3627 files[1] = input_files[in_file_index].ctx;
3628
3629 for (j = 0; j < 2; j++) {
3630 MetadataMap *map = &o->meta_data_maps[i][j];
3631
3632 switch (map->type) {
3633 case 'g':
3634 meta[j] = &files[j]->metadata;
3635 break;
3636 case 's':
3637 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3638 meta[j] = &files[j]->streams[map->index]->metadata;
3639 break;
3640 case 'c':
3641 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3642 meta[j] = &files[j]->chapters[map->index]->metadata;
3643 break;
3644 case 'p':
3645 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3646 meta[j] = &files[j]->programs[map->index]->metadata;
3647 break;
3648 }
3649 }
3650
3651 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3652 }
3653
3654 /* copy global metadata by default */
3655 if (!o->metadata_global_manual && nb_input_files)
3656 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3657 AV_DICT_DONT_OVERWRITE);
3658 if (!o->metadata_streams_manual)
3659 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3660 InputStream *ist = &input_streams[output_streams[i].source_index];
3661 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3662 }
3663
3664 frame_rate = (AVRational){0, 0};
3665 frame_width = 0;
3666 frame_height = 0;
3667 audio_sample_rate = 0;
3668 audio_channels = 0;
3669 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3670 chapters_input_file = INT_MAX;
3671
3672 av_freep(&streamid_map);