avconv: make -map_metadata work consistently with the other options
[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 file_index;
83 int stream_index;
84 int sync_file_index;
85 int sync_stream_index;
86 } StreamMap;
87
88 /**
89 * select an input file for an output file
90 */
91 typedef struct MetadataMap {
92 int file; //< file index
93 char type; //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
94 int index; //< stream/chapter/program number
95 } MetadataMap;
96
97 static const OptionDef options[];
98
99 #define MAX_FILES 100
100
101 static const char *last_asked_format = NULL;
102 static double *ts_scale;
103 static int nb_ts_scale;
104
105 static AVFormatContext *output_files[MAX_FILES];
106 static AVDictionary *output_opts[MAX_FILES];
107 static int nb_output_files = 0;
108
109 static StreamMap *stream_maps = NULL;
110 static int nb_stream_maps;
111
112 /* first item specifies output metadata, second is input */
113 static MetadataMap (*meta_data_maps)[2] = NULL;
114 static int nb_meta_data_maps;
115 static int metadata_global_autocopy = 1;
116 static int metadata_streams_autocopy = 1;
117 static int metadata_chapters_autocopy = 1;
118
119 static int chapters_input_file = INT_MAX;
120
121 /* indexed by output file stream index */
122 static int *streamid_map = NULL;
123 static int nb_streamid_map = 0;
124
125 static int frame_width = 0;
126 static int frame_height = 0;
127 static float frame_aspect_ratio = 0;
128 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
129 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
130 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
131 static AVRational frame_rate;
132 static float video_qscale = 0;
133 static uint16_t *intra_matrix = NULL;
134 static uint16_t *inter_matrix = NULL;
135 static const char *video_rc_override_string=NULL;
136 static int video_disable = 0;
137 static int video_discard = 0;
138 static char *video_codec_name = NULL;
139 static unsigned int video_codec_tag = 0;
140 static char *video_language = NULL;
141 static int same_quality = 0;
142 static int do_deinterlace = 0;
143 static int top_field_first = -1;
144 static int me_threshold = 0;
145 static int intra_dc_precision = 8;
146 static int qp_hist = 0;
147 #if CONFIG_AVFILTER
148 static char *vfilters = NULL;
149 #endif
150
151 static int intra_only = 0;
152 static int audio_sample_rate = 0;
153 #define QSCALE_NONE -99999
154 static float audio_qscale = QSCALE_NONE;
155 static int audio_disable = 0;
156 static int audio_channels = 0;
157 static char *audio_codec_name = NULL;
158 static unsigned int audio_codec_tag = 0;
159 static char *audio_language = NULL;
160
161 static int subtitle_disable = 0;
162 static char *subtitle_codec_name = NULL;
163 static char *subtitle_language = NULL;
164 static unsigned int subtitle_codec_tag = 0;
165
166 static int data_disable = 0;
167 static char *data_codec_name = NULL;
168 static unsigned int data_codec_tag = 0;
169
170 static float mux_preload= 0.5;
171 static float mux_max_delay= 0.7;
172
173 static int64_t recording_time = INT64_MAX;
174 static int64_t start_time = 0;
175 static int64_t input_ts_offset = 0;
176 static int file_overwrite = 0;
177 static AVDictionary *metadata;
178 static int do_benchmark = 0;
179 static int do_hex_dump = 0;
180 static int do_pkt_dump = 0;
181 static int do_psnr = 0;
182 static int do_pass = 0;
183 static char *pass_logfilename_prefix = NULL;
184 static int audio_stream_copy = 0;
185 static int video_stream_copy = 0;
186 static int subtitle_stream_copy = 0;
187 static int data_stream_copy = 0;
188 static int video_sync_method= -1;
189 static int audio_sync_method= 0;
190 static float audio_drift_threshold= 0.1;
191 static int copy_ts= 0;
192 static int copy_tb;
193 static int opt_shortest = 0;
194 static char *vstats_filename;
195 static FILE *vstats_file;
196 static int opt_programid = 0;
197 static int copy_initial_nonkeyframes = 0;
198
199 static int rate_emu = 0;
200
201 static int audio_volume = 256;
202
203 static int exit_on_error = 0;
204 static int using_stdin = 0;
205 static int verbose = 1;
206 static int thread_count= 1;
207 static int64_t video_size = 0;
208 static int64_t audio_size = 0;
209 static int64_t extra_size = 0;
210 static int nb_frames_dup = 0;
211 static int nb_frames_drop = 0;
212 static int input_sync;
213 static uint64_t limit_filesize = 0;
214 static int force_fps = 0;
215 static char *forced_key_frames = NULL;
216
217 static float dts_delta_threshold = 10;
218
219 static int64_t timer_start;
220
221 static uint8_t *audio_buf;
222 static uint8_t *audio_out;
223 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
224
225 static short *samples;
226
227 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
228 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
229 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
230
231 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
232
233 struct InputStream;
234
235 typedef struct OutputStream {
236 int file_index; /* file index */
237 int index; /* stream index in the output file */
238 int source_index; /* InputStream index */
239 AVStream *st; /* stream in the output file */
240 int encoding_needed; /* true if encoding needed for this stream */
241 int frame_number;
242 /* input pts and corresponding output pts
243 for A/V sync */
244 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
245 struct InputStream *sync_ist; /* input stream to sync against */
246 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
247 AVBitStreamFilterContext *bitstream_filters;
248 AVCodec *enc;
249
250 /* video only */
251 int video_resample;
252 AVFrame pict_tmp; /* temporary image for resampling */
253 struct SwsContext *img_resample_ctx; /* for image resampling */
254 int resample_height;
255 int resample_width;
256 int resample_pix_fmt;
257 AVRational frame_rate;
258
259 float frame_aspect_ratio;
260
261 /* forced key frames */
262 int64_t *forced_kf_pts;
263 int forced_kf_count;
264 int forced_kf_index;
265
266 /* audio only */
267 int audio_resample;
268 ReSampleContext *resample; /* for audio resampling */
269 int resample_sample_fmt;
270 int resample_channels;
271 int resample_sample_rate;
272 int reformat_pair;
273 AVAudioConvert *reformat_ctx;
274 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
275 FILE *logfile;
276
277 #if CONFIG_AVFILTER
278 AVFilterContext *output_video_filter;
279 AVFilterContext *input_video_filter;
280 AVFilterBufferRef *picref;
281 char *avfilter;
282 AVFilterGraph *graph;
283 #endif
284
285 int sws_flags;
286 AVDictionary *opts;
287 } OutputStream;
288
289 static OutputStream **output_streams_for_file[MAX_FILES] = { NULL };
290 static int nb_output_streams_for_file[MAX_FILES] = { 0 };
291
292 typedef struct InputStream {
293 int file_index;
294 AVStream *st;
295 int discard; /* true if stream data should be discarded */
296 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
297 AVCodec *dec;
298
299 int64_t start; /* time when read started */
300 int64_t next_pts; /* synthetic pts for cases where pkt.pts
301 is not defined */
302 int64_t pts; /* current pts */
303 PtsCorrectionContext pts_ctx;
304 double ts_scale;
305 int is_start; /* is 1 at the start and after a discontinuity */
306 int showed_multi_packet_warning;
307 int is_past_recording_time;
308 AVDictionary *opts;
309 } InputStream;
310
311 typedef struct InputFile {
312 AVFormatContext *ctx;
313 int eof_reached; /* true if eof reached */
314 int ist_index; /* index of first stream in ist_table */
315 int buffer_size; /* current total buffer size */
316 int64_t ts_offset;
317 } InputFile;
318
319 static InputStream *input_streams = NULL;
320 static int nb_input_streams = 0;
321 static InputFile *input_files = NULL;
322 static int nb_input_files = 0;
323
324 #if CONFIG_AVFILTER
325
326 static int configure_video_filters(InputStream *ist, OutputStream *ost)
327 {
328 AVFilterContext *last_filter, *filter;
329 /** filter graph containing all filters including input & output */
330 AVCodecContext *codec = ost->st->codec;
331 AVCodecContext *icodec = ist->st->codec;
332 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
333 AVRational sample_aspect_ratio;
334 char args[255];
335 int ret;
336
337 ost->graph = avfilter_graph_alloc();
338
339 if (ist->st->sample_aspect_ratio.num){
340 sample_aspect_ratio = ist->st->sample_aspect_ratio;
341 }else
342 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
343
344 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
345 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
346 sample_aspect_ratio.num, sample_aspect_ratio.den);
347
348 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
349 "src", args, NULL, ost->graph);
350 if (ret < 0)
351 return ret;
352 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
353 "out", NULL, &ffsink_ctx, ost->graph);
354 if (ret < 0)
355 return ret;
356 last_filter = ost->input_video_filter;
357
358 if (codec->width != icodec->width || codec->height != icodec->height) {
359 snprintf(args, 255, "%d:%d:flags=0x%X",
360 codec->width,
361 codec->height,
362 ost->sws_flags);
363 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
364 NULL, args, NULL, ost->graph)) < 0)
365 return ret;
366 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
367 return ret;
368 last_filter = filter;
369 }
370
371 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
372 ost->graph->scale_sws_opts = av_strdup(args);
373
374 if (ost->avfilter) {
375 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
376 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
377
378 outputs->name = av_strdup("in");
379 outputs->filter_ctx = last_filter;
380 outputs->pad_idx = 0;
381 outputs->next = NULL;
382
383 inputs->name = av_strdup("out");
384 inputs->filter_ctx = ost->output_video_filter;
385 inputs->pad_idx = 0;
386 inputs->next = NULL;
387
388 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
389 return ret;
390 av_freep(&ost->avfilter);
391 } else {
392 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
393 return ret;
394 }
395
396 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
397 return ret;
398
399 codec->width = ost->output_video_filter->inputs[0]->w;
400 codec->height = ost->output_video_filter->inputs[0]->h;
401 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
402 ost->frame_aspect_ratio ? // overriden by the -aspect cli option
403 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
404 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
405
406 return 0;
407 }
408 #endif /* CONFIG_AVFILTER */
409
410 static void term_exit(void)
411 {
412 av_log(NULL, AV_LOG_QUIET, "");
413 }
414
415 static volatile int received_sigterm = 0;
416 static volatile int received_nb_signals = 0;
417
418 static void
419 sigterm_handler(int sig)
420 {
421 received_sigterm = sig;
422 received_nb_signals++;
423 term_exit();
424 }
425
426 static void term_init(void)
427 {
428 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
429 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
430 #ifdef SIGXCPU
431 signal(SIGXCPU, sigterm_handler);
432 #endif
433 }
434
435 static int decode_interrupt_cb(void)
436 {
437 return received_nb_signals > 1;
438 }
439
440 static int exit_program(int ret)
441 {
442 int i;
443
444 /* close files */
445 for(i=0;i<nb_output_files;i++) {
446 AVFormatContext *s = output_files[i];
447 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
448 avio_close(s->pb);
449 avformat_free_context(s);
450 av_free(output_streams_for_file[i]);
451 av_dict_free(&output_opts[i]);
452 }
453 for(i=0;i<nb_input_files;i++) {
454 av_close_input_file(input_files[i].ctx);
455 }
456 for (i = 0; i < nb_input_streams; i++)
457 av_dict_free(&input_streams[i].opts);
458
459 av_free(intra_matrix);
460 av_free(inter_matrix);
461
462 if (vstats_file)
463 fclose(vstats_file);
464 av_free(vstats_filename);
465
466 av_free(streamid_map);
467 av_free(stream_maps);
468 av_free(meta_data_maps);
469
470 av_freep(&input_streams);
471 av_freep(&input_files);
472
473 av_free(video_codec_name);
474 av_free(audio_codec_name);
475 av_free(subtitle_codec_name);
476 av_free(data_codec_name);
477
478 uninit_opts();
479 av_free(audio_buf);
480 av_free(audio_out);
481 allocated_audio_buf_size= allocated_audio_out_size= 0;
482 av_free(samples);
483
484 #if CONFIG_AVFILTER
485 avfilter_uninit();
486 #endif
487
488 if (received_sigterm) {
489 fprintf(stderr,
490 "Received signal %d: terminating.\n",
491 (int) received_sigterm);
492 exit (255);
493 }
494
495 exit(ret); /* not all OS-es handle main() return value */
496 return ret;
497 }
498
499 static void assert_avoptions(AVDictionary *m)
500 {
501 AVDictionaryEntry *t;
502 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
503 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
504 exit_program(1);
505 }
506 }
507
508 static void assert_codec_experimental(AVCodecContext *c, int encoder)
509 {
510 const char *codec_string = encoder ? "encoder" : "decoder";
511 AVCodec *codec;
512 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
513 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
514 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
515 "results.\nAdd '-strict experimental' if you want to use it.\n",
516 codec_string, c->codec->name);
517 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
518 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
519 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
520 codec_string, codec->name);
521 exit_program(1);
522 }
523 }
524
525 /* similar to ff_dynarray_add() and av_fast_realloc() */
526 static void *grow_array(void *array, int elem_size, int *size, int new_size)
527 {
528 if (new_size >= INT_MAX / elem_size) {
529 fprintf(stderr, "Array too big.\n");
530 exit_program(1);
531 }
532 if (*size < new_size) {
533 uint8_t *tmp = av_realloc(array, new_size*elem_size);
534 if (!tmp) {
535 fprintf(stderr, "Could not alloc buffer.\n");
536 exit_program(1);
537 }
538 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
539 *size = new_size;
540 return tmp;
541 }
542 return array;
543 }
544
545 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
546 {
547 if(codec && codec->sample_fmts){
548 const enum AVSampleFormat *p= codec->sample_fmts;
549 for(; *p!=-1; p++){
550 if(*p == st->codec->sample_fmt)
551 break;
552 }
553 if (*p == -1) {
554 av_log(NULL, AV_LOG_WARNING,
555 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
556 av_get_sample_fmt_name(st->codec->sample_fmt),
557 codec->name,
558 av_get_sample_fmt_name(codec->sample_fmts[0]));
559 st->codec->sample_fmt = codec->sample_fmts[0];
560 }
561 }
562 }
563
564 /**
565 * Update the requested input sample format based on the output sample format.
566 * This is currently only used to request float output from decoders which
567 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
568 * Ideally this will be removed in the future when decoders do not do format
569 * conversion and only output in their native format.
570 */
571 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
572 AVCodecContext *enc)
573 {
574 /* if sample formats match or a decoder sample format has already been
575 requested, just return */
576 if (enc->sample_fmt == dec->sample_fmt ||
577 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
578 return;
579
580 /* if decoder supports more than one output format */
581 if (dec_codec && dec_codec->sample_fmts &&
582 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
583 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
584 const enum AVSampleFormat *p;
585 int min_dec = -1, min_inc = -1;
586
587 /* find a matching sample format in the encoder */
588 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
589 if (*p == enc->sample_fmt) {
590 dec->request_sample_fmt = *p;
591 return;
592 } else if (*p > enc->sample_fmt) {
593 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
594 } else
595 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
596 }
597
598 /* if none match, provide the one that matches quality closest */
599 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
600 enc->sample_fmt - min_dec;
601 }
602 }
603
604 static void choose_sample_rate(AVStream *st, AVCodec *codec)
605 {
606 if(codec && codec->supported_samplerates){
607 const int *p= codec->supported_samplerates;
608 int best=0;
609 int best_dist=INT_MAX;
610 for(; *p; p++){
611 int dist= abs(st->codec->sample_rate - *p);
612 if(dist < best_dist){
613 best_dist= dist;
614 best= *p;
615 }
616 }
617 if(best_dist){
618 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
619 }
620 st->codec->sample_rate= best;
621 }
622 }
623
624 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
625 {
626 if(codec && codec->pix_fmts){
627 const enum PixelFormat *p= codec->pix_fmts;
628 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
629 if(st->codec->codec_id==CODEC_ID_MJPEG){
630 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
631 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
632 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};
633 }
634 }
635 for(; *p!=-1; p++){
636 if(*p == st->codec->pix_fmt)
637 break;
638 }
639 if (*p == -1) {
640 if(st->codec->pix_fmt != PIX_FMT_NONE)
641 av_log(NULL, AV_LOG_WARNING,
642 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
643 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
644 codec->name,
645 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
646 st->codec->pix_fmt = codec->pix_fmts[0];
647 }
648 }
649 }
650
651 static OutputStream *new_output_stream(AVFormatContext *oc, int file_idx, AVCodec *codec)
652 {
653 OutputStream *ost;
654 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
655 int idx = oc->nb_streams - 1;
656
657 if (!st) {
658 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
659 exit_program(1);
660 }
661
662 output_streams_for_file[file_idx] =
663 grow_array(output_streams_for_file[file_idx],
664 sizeof(*output_streams_for_file[file_idx]),
665 &nb_output_streams_for_file[file_idx],
666 oc->nb_streams);
667 ost = output_streams_for_file[file_idx][idx] =
668 av_mallocz(sizeof(OutputStream));
669 if (!ost) {
670 fprintf(stderr, "Could not alloc output stream\n");
671 exit_program(1);
672 }
673 ost->file_index = file_idx;
674 ost->index = idx;
675 ost->st = st;
676 ost->enc = codec;
677 if (codec)
678 ost->opts = filter_codec_opts(codec_opts, codec->id, 1);
679
680 avcodec_get_context_defaults3(st->codec, codec);
681
682 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
683 return ost;
684 }
685
686 static int read_avserver_streams(AVFormatContext *s, const char *filename)
687 {
688 int i, err;
689 AVFormatContext *ic = NULL;
690 int nopts = 0;
691
692 err = avformat_open_input(&ic, filename, NULL, NULL);
693 if (err < 0)
694 return err;
695 /* copy stream format */
696 for(i=0;i<ic->nb_streams;i++) {
697 AVStream *st;
698 OutputStream *ost;
699 AVCodec *codec;
700
701 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
702 ost = new_output_stream(s, nb_output_files, codec);
703 st = ost->st;
704
705 // FIXME: a more elegant solution is needed
706 memcpy(st, ic->streams[i], sizeof(AVStream));
707 st->info = NULL;
708 avcodec_copy_context(st->codec, ic->streams[i]->codec);
709
710 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
711 if (audio_stream_copy) {
712 st->stream_copy = 1;
713 } else
714 choose_sample_fmt(st, codec);
715 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
716 if (video_stream_copy) {
717 st->stream_copy = 1;
718 } else
719 choose_pixel_fmt(st, codec);
720 }
721
722 if(st->codec->flags & CODEC_FLAG_BITEXACT)
723 nopts = 1;
724 }
725
726 av_close_input_file(ic);
727 return 0;
728 }
729
730 static double
731 get_sync_ipts(const OutputStream *ost)
732 {
733 const InputStream *ist = ost->sync_ist;
734 return (double)(ist->pts - start_time)/AV_TIME_BASE;
735 }
736
737 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
738 int ret;
739
740 while(bsfc){
741 AVPacket new_pkt= *pkt;
742 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
743 &new_pkt.data, &new_pkt.size,
744 pkt->data, pkt->size,
745 pkt->flags & AV_PKT_FLAG_KEY);
746 if(a>0){
747 av_free_packet(pkt);
748 new_pkt.destruct= av_destruct_packet;
749 } else if(a<0){
750 fprintf(stderr, "%s failed for stream %d, codec %s",
751 bsfc->filter->name, pkt->stream_index,
752 avctx->codec ? avctx->codec->name : "copy");
753 print_error("", a);
754 if (exit_on_error)
755 exit_program(1);
756 }
757 *pkt= new_pkt;
758
759 bsfc= bsfc->next;
760 }
761
762 ret= av_interleaved_write_frame(s, pkt);
763 if(ret < 0){
764 print_error("av_interleaved_write_frame()", ret);
765 exit_program(1);
766 }
767 }
768
769 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
770
771 static void do_audio_out(AVFormatContext *s,
772 OutputStream *ost,
773 InputStream *ist,
774 unsigned char *buf, int size)
775 {
776 uint8_t *buftmp;
777 int64_t audio_out_size, audio_buf_size;
778 int64_t allocated_for_size= size;
779
780 int size_out, frame_bytes, ret, resample_changed;
781 AVCodecContext *enc= ost->st->codec;
782 AVCodecContext *dec= ist->st->codec;
783 int osize = av_get_bytes_per_sample(enc->sample_fmt);
784 int isize = av_get_bytes_per_sample(dec->sample_fmt);
785 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
786
787 need_realloc:
788 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
789 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
790 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
791 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
792 audio_buf_size*= osize*enc->channels;
793
794 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
795 if(coded_bps > 8*osize)
796 audio_out_size= audio_out_size * coded_bps / (8*osize);
797 audio_out_size += FF_MIN_BUFFER_SIZE;
798
799 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
800 fprintf(stderr, "Buffer sizes too large\n");
801 exit_program(1);
802 }
803
804 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
805 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
806 if (!audio_buf || !audio_out){
807 fprintf(stderr, "Out of memory in do_audio_out\n");
808 exit_program(1);
809 }
810
811 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
812 ost->audio_resample = 1;
813
814 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
815 ost->resample_channels != dec->channels ||
816 ost->resample_sample_rate != dec->sample_rate;
817
818 if ((ost->audio_resample && !ost->resample) || resample_changed) {
819 if (resample_changed) {
820 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",
821 ist->file_index, ist->st->index,
822 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
823 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
824 ost->resample_sample_fmt = dec->sample_fmt;
825 ost->resample_channels = dec->channels;
826 ost->resample_sample_rate = dec->sample_rate;
827 if (ost->resample)
828 audio_resample_close(ost->resample);
829 }
830 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
831 if (audio_sync_method <= 1 &&
832 ost->resample_sample_fmt == enc->sample_fmt &&
833 ost->resample_channels == enc->channels &&
834 ost->resample_sample_rate == enc->sample_rate) {
835 ost->resample = NULL;
836 ost->audio_resample = 0;
837 } else if (ost->audio_resample) {
838 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
839 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
840 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
841 enc->sample_rate, dec->sample_rate,
842 enc->sample_fmt, dec->sample_fmt,
843 16, 10, 0, 0.8);
844 if (!ost->resample) {
845 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
846 dec->channels, dec->sample_rate,
847 enc->channels, enc->sample_rate);
848 exit_program(1);
849 }
850 }
851 }
852
853 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
854 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
855 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
856 if (ost->reformat_ctx)
857 av_audio_convert_free(ost->reformat_ctx);
858 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
859 dec->sample_fmt, 1, NULL, 0);
860 if (!ost->reformat_ctx) {
861 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
862 av_get_sample_fmt_name(dec->sample_fmt),
863 av_get_sample_fmt_name(enc->sample_fmt));
864 exit_program(1);
865 }
866 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
867 }
868
869 if(audio_sync_method){
870 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
871 - av_fifo_size(ost->fifo)/(enc->channels * 2);
872 double idelta= delta*dec->sample_rate / enc->sample_rate;
873 int byte_delta= ((int)idelta)*2*dec->channels;
874
875 //FIXME resample delay
876 if(fabs(delta) > 50){
877 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
878 if(byte_delta < 0){
879 byte_delta= FFMAX(byte_delta, -size);
880 size += byte_delta;
881 buf -= byte_delta;
882 if(verbose > 2)
883 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
884 if(!size)
885 return;
886 ist->is_start=0;
887 }else{
888 static uint8_t *input_tmp= NULL;
889 input_tmp= av_realloc(input_tmp, byte_delta + size);
890
891 if(byte_delta > allocated_for_size - size){
892 allocated_for_size= byte_delta + (int64_t)size;
893 goto need_realloc;
894 }
895 ist->is_start=0;
896
897 memset(input_tmp, 0, byte_delta);
898 memcpy(input_tmp + byte_delta, buf, size);
899 buf= input_tmp;
900 size += byte_delta;
901 if(verbose > 2)
902 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
903 }
904 }else if(audio_sync_method>1){
905 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
906 av_assert0(ost->audio_resample);
907 if(verbose > 2)
908 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
909 // 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));
910 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
911 }
912 }
913 }else
914 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
915 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
916
917 if (ost->audio_resample) {
918 buftmp = audio_buf;
919 size_out = audio_resample(ost->resample,
920 (short *)buftmp, (short *)buf,
921 size / (dec->channels * isize));
922 size_out = size_out * enc->channels * osize;
923 } else {
924 buftmp = buf;
925 size_out = size;
926 }
927
928 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
929 const void *ibuf[6]= {buftmp};
930 void *obuf[6]= {audio_buf};
931 int istride[6]= {isize};
932 int ostride[6]= {osize};
933 int len= size_out/istride[0];
934 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
935 printf("av_audio_convert() failed\n");
936 if (exit_on_error)
937 exit_program(1);
938 return;
939 }
940 buftmp = audio_buf;
941 size_out = len*osize;
942 }
943
944 /* now encode as many frames as possible */
945 if (enc->frame_size > 1) {
946 /* output resampled raw samples */
947 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
948 fprintf(stderr, "av_fifo_realloc2() failed\n");
949 exit_program(1);
950 }
951 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
952
953 frame_bytes = enc->frame_size * osize * enc->channels;
954
955 while (av_fifo_size(ost->fifo) >= frame_bytes) {
956 AVPacket pkt;
957 av_init_packet(&pkt);
958
959 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
960
961 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
962
963 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
964 (short *)audio_buf);
965 if (ret < 0) {
966 fprintf(stderr, "Audio encoding failed\n");
967 exit_program(1);
968 }
969 audio_size += ret;
970 pkt.stream_index= ost->index;
971 pkt.data= audio_out;
972 pkt.size= ret;
973 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
974 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
975 pkt.flags |= AV_PKT_FLAG_KEY;
976 write_frame(s, &pkt, enc, ost->bitstream_filters);
977
978 ost->sync_opts += enc->frame_size;
979 }
980 } else {
981 AVPacket pkt;
982 av_init_packet(&pkt);
983
984 ost->sync_opts += size_out / (osize * enc->channels);
985
986 /* output a pcm frame */
987 /* determine the size of the coded buffer */
988 size_out /= osize;
989 if (coded_bps)
990 size_out = size_out*coded_bps/8;
991
992 if(size_out > audio_out_size){
993 fprintf(stderr, "Internal error, buffer size too small\n");
994 exit_program(1);
995 }
996
997 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
998 ret = avcodec_encode_audio(enc, audio_out, size_out,
999 (short *)buftmp);
1000 if (ret < 0) {
1001 fprintf(stderr, "Audio encoding failed\n");
1002 exit_program(1);
1003 }
1004 audio_size += ret;
1005 pkt.stream_index= ost->index;
1006 pkt.data= audio_out;
1007 pkt.size= ret;
1008 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1009 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1010 pkt.flags |= AV_PKT_FLAG_KEY;
1011 write_frame(s, &pkt, enc, ost->bitstream_filters);
1012 }
1013 }
1014
1015 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1016 {
1017 AVCodecContext *dec;
1018 AVPicture *picture2;
1019 AVPicture picture_tmp;
1020 uint8_t *buf = 0;
1021
1022 dec = ist->st->codec;
1023
1024 /* deinterlace : must be done before any resize */
1025 if (do_deinterlace) {
1026 int size;
1027
1028 /* create temporary picture */
1029 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1030 buf = av_malloc(size);
1031 if (!buf)
1032 return;
1033
1034 picture2 = &picture_tmp;
1035 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1036
1037 if(avpicture_deinterlace(picture2, picture,
1038 dec->pix_fmt, dec->width, dec->height) < 0) {
1039 /* if error, do not deinterlace */
1040 fprintf(stderr, "Deinterlacing failed\n");
1041 av_free(buf);
1042 buf = NULL;
1043 picture2 = picture;
1044 }
1045 } else {
1046 picture2 = picture;
1047 }
1048
1049 if (picture != picture2)
1050 *picture = *picture2;
1051 *bufp = buf;
1052 }
1053
1054 /* we begin to correct av delay at this threshold */
1055 #define AV_DELAY_MAX 0.100
1056
1057 static void do_subtitle_out(AVFormatContext *s,
1058 OutputStream *ost,
1059 InputStream *ist,
1060 AVSubtitle *sub,
1061 int64_t pts)
1062 {
1063 static uint8_t *subtitle_out = NULL;
1064 int subtitle_out_max_size = 1024 * 1024;
1065 int subtitle_out_size, nb, i;
1066 AVCodecContext *enc;
1067 AVPacket pkt;
1068
1069 if (pts == AV_NOPTS_VALUE) {
1070 fprintf(stderr, "Subtitle packets must have a pts\n");
1071 if (exit_on_error)
1072 exit_program(1);
1073 return;
1074 }
1075
1076 enc = ost->st->codec;
1077
1078 if (!subtitle_out) {
1079 subtitle_out = av_malloc(subtitle_out_max_size);
1080 }
1081
1082 /* Note: DVB subtitle need one packet to draw them and one other
1083 packet to clear them */
1084 /* XXX: signal it in the codec context ? */
1085 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1086 nb = 2;
1087 else
1088 nb = 1;
1089
1090 for(i = 0; i < nb; i++) {
1091 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1092 // start_display_time is required to be 0
1093 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1094 sub->end_display_time -= sub->start_display_time;
1095 sub->start_display_time = 0;
1096 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1097 subtitle_out_max_size, sub);
1098 if (subtitle_out_size < 0) {
1099 fprintf(stderr, "Subtitle encoding failed\n");
1100 exit_program(1);
1101 }
1102
1103 av_init_packet(&pkt);
1104 pkt.stream_index = ost->index;
1105 pkt.data = subtitle_out;
1106 pkt.size = subtitle_out_size;
1107 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1108 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1109 /* XXX: the pts correction is handled here. Maybe handling
1110 it in the codec would be better */
1111 if (i == 0)
1112 pkt.pts += 90 * sub->start_display_time;
1113 else
1114 pkt.pts += 90 * sub->end_display_time;
1115 }
1116 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1117 }
1118 }
1119
1120 static int bit_buffer_size= 1024*256;
1121 static uint8_t *bit_buffer= NULL;
1122
1123 static void do_video_out(AVFormatContext *s,
1124 OutputStream *ost,
1125 InputStream *ist,
1126 AVFrame *in_picture,
1127 int *frame_size, float quality)
1128 {
1129 int nb_frames, i, ret, resample_changed;
1130 AVFrame *final_picture, *formatted_picture;
1131 AVCodecContext *enc, *dec;
1132 double sync_ipts;
1133
1134 enc = ost->st->codec;
1135 dec = ist->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 if(video_sync_method){
1145 double vdelta = sync_ipts - ost->sync_opts;
1146 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1147 if (vdelta < -1.1)
1148 nb_frames = 0;
1149 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1150 if(vdelta<=-0.6){
1151 nb_frames=0;
1152 }else if(vdelta>0.6)
1153 ost->sync_opts= lrintf(sync_ipts);
1154 }else if (vdelta > 1.1)
1155 nb_frames = lrintf(vdelta);
1156 //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);
1157 if (nb_frames == 0){
1158 ++nb_frames_drop;
1159 if (verbose>2)
1160 fprintf(stderr, "*** drop!\n");
1161 }else if (nb_frames > 1) {
1162 nb_frames_dup += nb_frames - 1;
1163 if (verbose>2)
1164 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1165 }
1166 }else
1167 ost->sync_opts= lrintf(sync_ipts);
1168
1169 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1170 if (nb_frames <= 0)
1171 return;
1172
1173 formatted_picture = in_picture;
1174 final_picture = formatted_picture;
1175
1176 resample_changed = ost->resample_width != dec->width ||
1177 ost->resample_height != dec->height ||
1178 ost->resample_pix_fmt != dec->pix_fmt;
1179
1180 if (resample_changed) {
1181 av_log(NULL, AV_LOG_INFO,
1182 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1183 ist->file_index, ist->st->index,
1184 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1185 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1186 if(!ost->video_resample)
1187 exit_program(1);
1188 }
1189
1190 #if !CONFIG_AVFILTER
1191 if (ost->video_resample) {
1192 final_picture = &ost->pict_tmp;
1193 if (resample_changed) {
1194 /* initialize a new scaler context */
1195 sws_freeContext(ost->img_resample_ctx);
1196 ost->img_resample_ctx = sws_getContext(
1197 ist->st->codec->width,
1198 ist->st->codec->height,
1199 ist->st->codec->pix_fmt,
1200 ost->st->codec->width,
1201 ost->st->codec->height,
1202 ost->st->codec->pix_fmt,
1203 ost->sws_flags, NULL, NULL, NULL);
1204 if (ost->img_resample_ctx == NULL) {
1205 fprintf(stderr, "Cannot get resampling context\n");
1206 exit_program(1);
1207 }
1208 }
1209 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1210 0, ost->resample_height, final_picture->data, final_picture->linesize);
1211 }
1212 #endif
1213
1214 /* duplicates frame if needed */
1215 for(i=0;i<nb_frames;i++) {
1216 AVPacket pkt;
1217 av_init_packet(&pkt);
1218 pkt.stream_index= ost->index;
1219
1220 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1221 /* raw pictures are written as AVPicture structure to
1222 avoid any copies. We support temorarily the older
1223 method. */
1224 AVFrame* old_frame = enc->coded_frame;
1225 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1226 pkt.data= (uint8_t *)final_picture;
1227 pkt.size= sizeof(AVPicture);
1228 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1229 pkt.flags |= AV_PKT_FLAG_KEY;
1230
1231 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1232 enc->coded_frame = old_frame;
1233 } else {
1234 AVFrame big_picture;
1235
1236 big_picture= *final_picture;
1237 /* better than nothing: use input picture interlaced
1238 settings */
1239 big_picture.interlaced_frame = in_picture->interlaced_frame;
1240 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1241 if(top_field_first == -1)
1242 big_picture.top_field_first = in_picture->top_field_first;
1243 else
1244 big_picture.top_field_first = top_field_first;
1245 }
1246
1247 /* handles sameq here. This is not correct because it may
1248 not be a global option */
1249 big_picture.quality = quality;
1250 if(!me_threshold)
1251 big_picture.pict_type = 0;
1252 // big_picture.pts = AV_NOPTS_VALUE;
1253 big_picture.pts= ost->sync_opts;
1254 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1255 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1256 if (ost->forced_kf_index < ost->forced_kf_count &&
1257 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1258 big_picture.pict_type = AV_PICTURE_TYPE_I;
1259 ost->forced_kf_index++;
1260 }
1261 ret = avcodec_encode_video(enc,
1262 bit_buffer, bit_buffer_size,
1263 &big_picture);
1264 if (ret < 0) {
1265 fprintf(stderr, "Video encoding failed\n");
1266 exit_program(1);
1267 }
1268
1269 if(ret>0){
1270 pkt.data= bit_buffer;
1271 pkt.size= ret;
1272 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1273 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1274 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1275 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1276 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1277
1278 if(enc->coded_frame->key_frame)
1279 pkt.flags |= AV_PKT_FLAG_KEY;
1280 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1281 *frame_size = ret;
1282 video_size += ret;
1283 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1284 // enc->frame_number-1, ret, enc->pict_type);
1285 /* if two pass, output log */
1286 if (ost->logfile && enc->stats_out) {
1287 fprintf(ost->logfile, "%s", enc->stats_out);
1288 }
1289 }
1290 }
1291 ost->sync_opts++;
1292 ost->frame_number++;
1293 }
1294 }
1295
1296 static double psnr(double d){
1297 return -10.0*log(d)/log(10.0);
1298 }
1299
1300 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1301 int frame_size)
1302 {
1303 AVCodecContext *enc;
1304 int frame_number;
1305 double ti1, bitrate, avg_bitrate;
1306
1307 /* this is executed just the first time do_video_stats is called */
1308 if (!vstats_file) {
1309 vstats_file = fopen(vstats_filename, "w");
1310 if (!vstats_file) {
1311 perror("fopen");
1312 exit_program(1);
1313 }
1314 }
1315
1316 enc = ost->st->codec;
1317 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1318 frame_number = ost->frame_number;
1319 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1320 if (enc->flags&CODEC_FLAG_PSNR)
1321 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1322
1323 fprintf(vstats_file,"f_size= %6d ", frame_size);
1324 /* compute pts value */
1325 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1326 if (ti1 < 0.01)
1327 ti1 = 0.01;
1328
1329 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1330 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1331 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1332 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1333 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1334 }
1335 }
1336
1337 static void print_report(AVFormatContext **output_files,
1338 OutputStream **ost_table, int nb_ostreams,
1339 int is_last_report)
1340 {
1341 char buf[1024];
1342 OutputStream *ost;
1343 AVFormatContext *oc;
1344 int64_t total_size;
1345 AVCodecContext *enc;
1346 int frame_number, vid, i;
1347 double bitrate, ti1, pts;
1348 static int64_t last_time = -1;
1349 static int qp_histogram[52];
1350
1351 if (!is_last_report) {
1352 int64_t cur_time;
1353 /* display the report every 0.5 seconds */
1354 cur_time = av_gettime();
1355 if (last_time == -1) {
1356 last_time = cur_time;
1357 return;
1358 }
1359 if ((cur_time - last_time) < 500000)
1360 return;
1361 last_time = cur_time;
1362 }
1363
1364
1365 oc = output_files[0];
1366
1367 total_size = avio_size(oc->pb);
1368 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1369 total_size= avio_tell(oc->pb);
1370
1371 buf[0] = '\0';
1372 ti1 = 1e10;
1373 vid = 0;
1374 for(i=0;i<nb_ostreams;i++) {
1375 float q = -1;
1376 ost = ost_table[i];
1377 enc = ost->st->codec;
1378 if (!ost->st->stream_copy && enc->coded_frame)
1379 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1380 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1381 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1382 }
1383 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1384 float t = (av_gettime()-timer_start) / 1000000.0;
1385
1386 frame_number = ost->frame_number;
1387 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1388 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1389 if(is_last_report)
1390 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1391 if(qp_hist){
1392 int j;
1393 int qp = lrintf(q);
1394 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1395 qp_histogram[qp]++;
1396 for(j=0; j<32; j++)
1397 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1398 }
1399 if (enc->flags&CODEC_FLAG_PSNR){
1400 int j;
1401 double error, error_sum=0;
1402 double scale, scale_sum=0;
1403 char type[3]= {'Y','U','V'};
1404 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1405 for(j=0; j<3; j++){
1406 if(is_last_report){
1407 error= enc->error[j];
1408 scale= enc->width*enc->height*255.0*255.0*frame_number;
1409 }else{
1410 error= enc->coded_frame->error[j];
1411 scale= enc->width*enc->height*255.0*255.0;
1412 }
1413 if(j) scale/=4;
1414 error_sum += error;
1415 scale_sum += scale;
1416 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1417 }
1418 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1419 }
1420 vid = 1;
1421 }
1422 /* compute min output value */
1423 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1424 if ((pts < ti1) && (pts > 0))
1425 ti1 = pts;
1426 }
1427 if (ti1 < 0.01)
1428 ti1 = 0.01;
1429
1430 if (verbose > 0 || is_last_report) {
1431 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1432
1433 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1434 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1435 (double)total_size / 1024, ti1, bitrate);
1436
1437 if (nb_frames_dup || nb_frames_drop)
1438 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1439 nb_frames_dup, nb_frames_drop);
1440
1441 if (verbose >= 0)
1442 fprintf(stderr, "%s \r", buf);
1443
1444 fflush(stderr);
1445 }
1446
1447 if (is_last_report && verbose >= 0){
1448 int64_t raw= audio_size + video_size + extra_size;
1449 fprintf(stderr, "\n");
1450 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1451 video_size/1024.0,
1452 audio_size/1024.0,
1453 extra_size/1024.0,
1454 100.0*(total_size - raw)/raw
1455 );
1456 }
1457 }
1458
1459 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1460 {
1461 int fill_char = 0x00;
1462 if (sample_fmt == AV_SAMPLE_FMT_U8)
1463 fill_char = 0x80;
1464 memset(buf, fill_char, size);
1465 }
1466
1467 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1468 static int output_packet(InputStream *ist, int ist_index,
1469 OutputStream **ost_table, int nb_ostreams,
1470 const AVPacket *pkt)
1471 {
1472 AVFormatContext *os;
1473 OutputStream *ost;
1474 int ret, i;
1475 int got_output;
1476 AVFrame picture;
1477 void *buffer_to_free = NULL;
1478 static unsigned int samples_size= 0;
1479 AVSubtitle subtitle, *subtitle_to_free;
1480 int64_t pkt_pts = AV_NOPTS_VALUE;
1481 #if CONFIG_AVFILTER
1482 int frame_available;
1483 #endif
1484 float quality;
1485
1486 AVPacket avpkt;
1487 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1488
1489 if(ist->next_pts == AV_NOPTS_VALUE)
1490 ist->next_pts= ist->pts;
1491
1492 if (pkt == NULL) {
1493 /* EOF handling */
1494 av_init_packet(&avpkt);
1495 avpkt.data = NULL;
1496 avpkt.size = 0;
1497 goto handle_eof;
1498 } else {
1499 avpkt = *pkt;
1500 }
1501
1502 if(pkt->dts != AV_NOPTS_VALUE)
1503 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1504 if(pkt->pts != AV_NOPTS_VALUE)
1505 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1506
1507 //while we have more to decode or while the decoder did output something on EOF
1508 while (avpkt.size > 0 || (!pkt && got_output)) {
1509 uint8_t *data_buf, *decoded_data_buf;
1510 int data_size, decoded_data_size;
1511 handle_eof:
1512 ist->pts= ist->next_pts;
1513
1514 if(avpkt.size && avpkt.size != pkt->size &&
1515 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1516 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1517 ist->showed_multi_packet_warning=1;
1518 }
1519
1520 /* decode the packet if needed */
1521 decoded_data_buf = NULL; /* fail safe */
1522 decoded_data_size= 0;
1523 data_buf = avpkt.data;
1524 data_size = avpkt.size;
1525 subtitle_to_free = NULL;
1526 if (ist->decoding_needed) {
1527 switch(ist->st->codec->codec_type) {
1528 case AVMEDIA_TYPE_AUDIO:{
1529 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1530 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1531 av_free(samples);
1532 samples= av_malloc(samples_size);
1533 }
1534 decoded_data_size= samples_size;
1535 /* XXX: could avoid copy if PCM 16 bits with same
1536 endianness as CPU */
1537 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1538 &avpkt);
1539 if (ret < 0)
1540 return ret;
1541 avpkt.data += ret;
1542 avpkt.size -= ret;
1543 data_size = ret;
1544 got_output = decoded_data_size > 0;
1545 /* Some bug in mpeg audio decoder gives */
1546 /* decoded_data_size < 0, it seems they are overflows */
1547 if (!got_output) {
1548 /* no audio frame */
1549 continue;
1550 }
1551 decoded_data_buf = (uint8_t *)samples;
1552 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1553 (ist->st->codec->sample_rate * ist->st->codec->channels);
1554 break;}
1555 case AVMEDIA_TYPE_VIDEO:
1556 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1557 /* XXX: allocate picture correctly */
1558 avcodec_get_frame_defaults(&picture);
1559 avpkt.pts = pkt_pts;
1560 avpkt.dts = ist->pts;
1561 pkt_pts = AV_NOPTS_VALUE;
1562
1563 ret = avcodec_decode_video2(ist->st->codec,
1564 &picture, &got_output, &avpkt);
1565 quality = same_quality ? picture.quality : 0;
1566 if (ret < 0)
1567 return ret;
1568 if (!got_output) {
1569 /* no picture yet */
1570 goto discard_packet;
1571 }
1572 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1573 if (ist->st->codec->time_base.num != 0) {
1574 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1575 ist->next_pts += ((int64_t)AV_TIME_BASE *
1576 ist->st->codec->time_base.num * ticks) /
1577 ist->st->codec->time_base.den;
1578 }
1579 avpkt.size = 0;
1580 buffer_to_free = NULL;
1581 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1582 break;
1583 case AVMEDIA_TYPE_SUBTITLE:
1584 ret = avcodec_decode_subtitle2(ist->st->codec,
1585 &subtitle, &got_output, &avpkt);
1586 if (ret < 0)
1587 return ret;
1588 if (!got_output) {
1589 goto discard_packet;
1590 }
1591 subtitle_to_free = &subtitle;
1592 avpkt.size = 0;
1593 break;
1594 default:
1595 return -1;
1596 }
1597 } else {
1598 switch(ist->st->codec->codec_type) {
1599 case AVMEDIA_TYPE_AUDIO:
1600 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1601 ist->st->codec->sample_rate;
1602 break;
1603 case AVMEDIA_TYPE_VIDEO:
1604 if (ist->st->codec->time_base.num != 0) {
1605 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1606 ist->next_pts += ((int64_t)AV_TIME_BASE *
1607 ist->st->codec->time_base.num * ticks) /
1608 ist->st->codec->time_base.den;
1609 }
1610 break;
1611 }
1612 ret = avpkt.size;
1613 avpkt.size = 0;
1614 }
1615
1616 #if CONFIG_AVFILTER
1617 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1618 for (i = 0; i < nb_ostreams; i++) {
1619 ost = ost_table[i];
1620 if (ost->input_video_filter && ost->source_index == ist_index) {
1621 AVRational sar;
1622 if (ist->st->sample_aspect_ratio.num)
1623 sar = ist->st->sample_aspect_ratio;
1624 else
1625 sar = ist->st->codec->sample_aspect_ratio;
1626 // add it to be filtered
1627 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture,
1628 ist->pts,
1629 sar);
1630 }
1631 }
1632 }
1633 #endif
1634
1635 // preprocess audio (volume)
1636 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1637 if (audio_volume != 256) {
1638 short *volp;
1639 volp = samples;
1640 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1641 int v = ((*volp) * audio_volume + 128) >> 8;
1642 if (v < -32768) v = -32768;
1643 if (v > 32767) v = 32767;
1644 *volp++ = v;
1645 }
1646 }
1647 }
1648
1649 /* frame rate emulation */
1650 if (rate_emu) {
1651 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1652 int64_t now = av_gettime() - ist->start;
1653 if (pts > now)
1654 usleep(pts - now);
1655 }
1656 /* if output time reached then transcode raw format,
1657 encode packets and output them */
1658 if (start_time == 0 || ist->pts >= start_time)
1659 for(i=0;i<nb_ostreams;i++) {
1660 int frame_size;
1661
1662 ost = ost_table[i];
1663 if (ost->source_index == ist_index) {
1664 #if CONFIG_AVFILTER
1665 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1666 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1667 while (frame_available) {
1668 AVRational ist_pts_tb;
1669 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1670 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1671 if (ost->picref)
1672 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1673 #endif
1674 os = output_files[ost->file_index];
1675
1676 /* set the input output pts pairs */
1677 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1678
1679 if (ost->encoding_needed) {
1680 av_assert0(ist->decoding_needed);
1681 switch(ost->st->codec->codec_type) {
1682 case AVMEDIA_TYPE_AUDIO:
1683 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1684 break;
1685 case AVMEDIA_TYPE_VIDEO:
1686 #if CONFIG_AVFILTER
1687 if (ost->picref->video && !ost->frame_aspect_ratio)
1688 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1689 #endif
1690 do_video_out(os, ost, ist, &picture, &frame_size,
1691 same_quality ? quality : ost->st->codec->global_quality);
1692 if (vstats_filename && frame_size)
1693 do_video_stats(os, ost, frame_size);
1694 break;
1695 case AVMEDIA_TYPE_SUBTITLE:
1696 do_subtitle_out(os, ost, ist, &subtitle,
1697 pkt->pts);
1698 break;
1699 default:
1700 abort();
1701 }
1702 } else {
1703 AVFrame avframe; //FIXME/XXX remove this
1704 AVPacket opkt;
1705 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1706
1707 av_init_packet(&opkt);
1708
1709 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1710 #if !CONFIG_AVFILTER
1711 continue;
1712 #else
1713 goto cont;
1714 #endif
1715
1716 /* no reencoding needed : output the packet directly */
1717 /* force the input stream PTS */
1718
1719 avcodec_get_frame_defaults(&avframe);
1720 ost->st->codec->coded_frame= &avframe;
1721 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1722
1723 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1724 audio_size += data_size;
1725 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1726 video_size += data_size;
1727 ost->sync_opts++;
1728 }
1729
1730 opkt.stream_index= ost->index;
1731 if(pkt->pts != AV_NOPTS_VALUE)
1732 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1733 else
1734 opkt.pts= AV_NOPTS_VALUE;
1735
1736 if (pkt->dts == AV_NOPTS_VALUE)
1737 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1738 else
1739 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1740 opkt.dts -= ost_tb_start_time;
1741
1742 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1743 opkt.flags= pkt->flags;
1744
1745 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1746 if( ost->st->codec->codec_id != CODEC_ID_H264
1747 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1748 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1749 ) {
1750 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1751 opkt.destruct= av_destruct_packet;
1752 } else {
1753 opkt.data = data_buf;
1754 opkt.size = data_size;
1755 }
1756
1757 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1758 ost->st->codec->frame_number++;
1759 ost->frame_number++;
1760 av_free_packet(&opkt);
1761 }
1762 #if CONFIG_AVFILTER
1763 cont:
1764 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1765 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1766 if (ost->picref)
1767 avfilter_unref_buffer(ost->picref);
1768 }
1769 #endif
1770 }
1771 }
1772
1773 av_free(buffer_to_free);
1774 /* XXX: allocate the subtitles in the codec ? */
1775 if (subtitle_to_free) {
1776 avsubtitle_free(subtitle_to_free);
1777 subtitle_to_free = NULL;
1778 }
1779 }
1780 discard_packet:
1781 if (pkt == NULL) {
1782 /* EOF handling */
1783
1784 for(i=0;i<nb_ostreams;i++) {
1785 ost = ost_table[i];
1786 if (ost->source_index == ist_index) {
1787 AVCodecContext *enc= ost->st->codec;
1788 os = output_files[ost->file_index];
1789
1790 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1791 continue;
1792 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1793 continue;
1794
1795 if (ost->encoding_needed) {
1796 for(;;) {
1797 AVPacket pkt;
1798 int fifo_bytes;
1799 av_init_packet(&pkt);
1800 pkt.stream_index= ost->index;
1801
1802 switch(ost->st->codec->codec_type) {
1803 case AVMEDIA_TYPE_AUDIO:
1804 fifo_bytes = av_fifo_size(ost->fifo);
1805 ret = 0;
1806 /* encode any samples remaining in fifo */
1807 if (fifo_bytes > 0) {
1808 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1809 int fs_tmp = enc->frame_size;
1810
1811 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1812 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1813 enc->frame_size = fifo_bytes / (osize * enc->channels);
1814 } else { /* pad */
1815 int frame_bytes = enc->frame_size*osize*enc->channels;
1816 if (allocated_audio_buf_size < frame_bytes)
1817 exit_program(1);
1818 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1819 }
1820
1821 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1822 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1823 ost->st->time_base.num, enc->sample_rate);
1824 enc->frame_size = fs_tmp;
1825 }
1826 if(ret <= 0) {
1827 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1828 }
1829 if (ret < 0) {
1830 fprintf(stderr, "Audio encoding failed\n");
1831 exit_program(1);
1832 }
1833 audio_size += ret;
1834 pkt.flags |= AV_PKT_FLAG_KEY;
1835 break;
1836 case AVMEDIA_TYPE_VIDEO:
1837 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1838 if (ret < 0) {
1839 fprintf(stderr, "Video encoding failed\n");
1840 exit_program(1);
1841 }
1842 video_size += ret;
1843 if(enc->coded_frame && enc->coded_frame->key_frame)
1844 pkt.flags |= AV_PKT_FLAG_KEY;
1845 if (ost->logfile && enc->stats_out) {
1846 fprintf(ost->logfile, "%s", enc->stats_out);
1847 }
1848 break;
1849 default:
1850 ret=-1;
1851 }
1852
1853 if(ret<=0)
1854 break;
1855 pkt.data= bit_buffer;
1856 pkt.size= ret;
1857 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1858 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1859 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1860 }
1861 }
1862 }
1863 }
1864 }
1865
1866 return 0;
1867 }
1868
1869 static void print_sdp(AVFormatContext **avc, int n)
1870 {
1871 char sdp[2048];
1872
1873 av_sdp_create(avc, n, sdp, sizeof(sdp));
1874 printf("SDP:\n%s\n", sdp);
1875 fflush(stdout);
1876 }
1877
1878 static int copy_chapters(int infile, int outfile)
1879 {
1880 AVFormatContext *is = input_files[infile].ctx;
1881 AVFormatContext *os = output_files[outfile];
1882 int i;
1883
1884 for (i = 0; i < is->nb_chapters; i++) {
1885 AVChapter *in_ch = is->chapters[i], *out_ch;
1886 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
1887 AV_TIME_BASE_Q, in_ch->time_base);
1888 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1889 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1890
1891
1892 if (in_ch->end < ts_off)
1893 continue;
1894 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1895 break;
1896
1897 out_ch = av_mallocz(sizeof(AVChapter));
1898 if (!out_ch)
1899 return AVERROR(ENOMEM);
1900
1901 out_ch->id = in_ch->id;
1902 out_ch->time_base = in_ch->time_base;
1903 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1904 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1905
1906 if (metadata_chapters_autocopy)
1907 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1908
1909 os->nb_chapters++;
1910 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1911 if (!os->chapters)
1912 return AVERROR(ENOMEM);
1913 os->chapters[os->nb_chapters - 1] = out_ch;
1914 }
1915 return 0;
1916 }
1917
1918 static void parse_forced_key_frames(char *kf, OutputStream *ost,
1919 AVCodecContext *avctx)
1920 {
1921 char *p;
1922 int n = 1, i;
1923 int64_t t;
1924
1925 for (p = kf; *p; p++)
1926 if (*p == ',')
1927 n++;
1928 ost->forced_kf_count = n;
1929 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1930 if (!ost->forced_kf_pts) {
1931 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1932 exit_program(1);
1933 }
1934 for (i = 0; i < n; i++) {
1935 p = i ? strchr(p, ',') + 1 : kf;
1936 t = parse_time_or_die("force_key_frames", p, 1);
1937 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1938 }
1939 }
1940
1941 /*
1942 * The following code is the main loop of the file converter
1943 */
1944 static int transcode(AVFormatContext **output_files,
1945 int nb_output_files,
1946 InputFile *input_files,
1947 int nb_input_files,
1948 StreamMap *stream_maps, int nb_stream_maps)
1949 {
1950 int ret = 0, i, j, k, n, nb_ostreams = 0;
1951 AVFormatContext *is, *os;
1952 AVCodecContext *codec, *icodec;
1953 OutputStream *ost, **ost_table = NULL;
1954 InputStream *ist;
1955 char error[1024];
1956 int want_sdp = 1;
1957 uint8_t no_packet[MAX_FILES]={0};
1958 int no_packet_count=0;
1959
1960 if (rate_emu)
1961 for (i = 0; i < nb_input_streams; i++)
1962 input_streams[i].start = av_gettime();
1963
1964 /* output stream init */
1965 nb_ostreams = 0;
1966 for(i=0;i<nb_output_files;i++) {
1967 os = output_files[i];
1968 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1969 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
1970 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1971 ret = AVERROR(EINVAL);
1972 goto fail;
1973 }
1974 nb_ostreams += os->nb_streams;
1975 }
1976 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1977 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1978 ret = AVERROR(EINVAL);
1979 goto fail;
1980 }
1981
1982 /* Sanity check the mapping args -- do the input files & streams exist? */
1983 for(i=0;i<nb_stream_maps;i++) {
1984 int fi = stream_maps[i].file_index;
1985 int si = stream_maps[i].stream_index;
1986
1987 if (fi < 0 || fi > nb_input_files - 1 ||
1988 si < 0 || si > input_files[fi].ctx->nb_streams - 1) {
1989 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1990 ret = AVERROR(EINVAL);
1991 goto fail;
1992 }
1993 fi = stream_maps[i].sync_file_index;
1994 si = stream_maps[i].sync_stream_index;
1995 if (fi < 0 || fi > nb_input_files - 1 ||
1996 si < 0 || si > input_files[fi].ctx->nb_streams - 1) {
1997 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1998 ret = AVERROR(EINVAL);
1999 goto fail;
2000 }
2001 }
2002
2003 ost_table = av_mallocz(sizeof(OutputStream *) * nb_ostreams);
2004 if (!ost_table)
2005 goto fail;
2006 n = 0;
2007 for(k=0;k<nb_output_files;k++) {
2008 os = output_files[k];
2009 for(i=0;i<os->nb_streams;i++,n++) {
2010 int found;
2011 ost = ost_table[n] = output_streams_for_file[k][i];
2012 if (nb_stream_maps > 0) {
2013 ost->source_index = input_files[stream_maps[n].file_index].ist_index +
2014 stream_maps[n].stream_index;
2015
2016 /* Sanity check that the stream types match */
2017 if (input_streams[ost->source_index].st->codec->codec_type != ost->st->codec->codec_type) {
2018 int i= ost->file_index;
2019 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2020 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2021 stream_maps[n].file_index, stream_maps[n].stream_index,
2022 ost->file_index, ost->index);
2023 exit_program(1);
2024 }
2025
2026 } else {
2027 int best_nb_frames=-1;
2028 /* get corresponding input stream index : we select the first one with the right type */
2029 found = 0;
2030 for (j = 0; j < nb_input_streams; j++) {
2031 int skip=0;
2032 ist = &input_streams[j];
2033 if(opt_programid){
2034 int pi,si;
2035 AVFormatContext *f = input_files[ist->file_index].ctx;
2036 skip=1;
2037 for(pi=0; pi<f->nb_programs; pi++){
2038 AVProgram *p= f->programs[pi];
2039 if(p->id == opt_programid)
2040 for(si=0; si<p->nb_stream_indexes; si++){
2041 if(f->streams[ p->stream_index[si] ] == ist->st)
2042 skip=0;
2043 }
2044 }
2045 }
2046 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2047 ist->st->codec->codec_type == ost->st->codec->codec_type) {
2048 if(best_nb_frames < ist->st->codec_info_nb_frames){
2049 best_nb_frames= ist->st->codec_info_nb_frames;
2050 ost->source_index = j;
2051 found = 1;
2052 }
2053 }
2054 }
2055
2056 if (!found) {
2057 if(! opt_programid) {
2058 /* try again and reuse existing stream */
2059 for (j = 0; j < nb_input_streams; j++) {
2060 ist = &input_streams[j];
2061 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2062 && ist->st->discard != AVDISCARD_ALL) {
2063 ost->source_index = j;
2064 found = 1;
2065 }
2066 }
2067 }
2068 if (!found) {
2069 int i= ost->file_index;
2070 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2071 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2072 ost->file_index, ost->index);
2073 exit_program(1);
2074 }
2075 }
2076 }
2077 ist = &input_streams[ost->source_index];
2078 ist->discard = 0;
2079 ost->sync_ist = (nb_stream_maps > 0) ?
2080 &input_streams[input_files[stream_maps[n].sync_file_index].ist_index +
2081 stream_maps[n].sync_stream_index] : ist;
2082 }
2083 }
2084
2085 /* for each output stream, we compute the right encoding parameters */
2086 for(i=0;i<nb_ostreams;i++) {
2087 ost = ost_table[i];
2088 os = output_files[ost->file_index];
2089 ist = &input_streams[ost->source_index];
2090
2091 codec = ost->st->codec;
2092 icodec = ist->st->codec;
2093
2094 ost->st->disposition = ist->st->disposition;
2095 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2096 codec->chroma_sample_location = icodec->chroma_sample_location;
2097
2098 if (ost->st->stream_copy) {
2099 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2100
2101 if (extra_size > INT_MAX)
2102 goto fail;
2103
2104 /* if stream_copy is selected, no need to decode or encode */
2105 codec->codec_id = icodec->codec_id;
2106 codec->codec_type = icodec->codec_type;
2107
2108 if(!codec->codec_tag){
2109 if( !os->oformat->codec_tag
2110 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2111 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2112 codec->codec_tag = icodec->codec_tag;
2113 }
2114
2115 codec->bit_rate = icodec->bit_rate;
2116 codec->rc_max_rate = icodec->rc_max_rate;
2117 codec->rc_buffer_size = icodec->rc_buffer_size;
2118 codec->extradata= av_mallocz(extra_size);
2119 if (!codec->extradata)
2120 goto fail;
2121 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2122 codec->extradata_size= icodec->extradata_size;
2123 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){
2124 codec->time_base = icodec->time_base;
2125 codec->time_base.num *= icodec->ticks_per_frame;
2126 av_reduce(&codec->time_base.num, &codec->time_base.den,
2127 codec->time_base.num, codec->time_base.den, INT_MAX);
2128 }else
2129 codec->time_base = ist->st->time_base;
2130 switch(codec->codec_type) {
2131 case AVMEDIA_TYPE_AUDIO:
2132 if(audio_volume != 256) {
2133 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2134 exit_program(1);
2135 }
2136 codec->channel_layout = icodec->channel_layout;
2137 codec->sample_rate = icodec->sample_rate;
2138 codec->channels = icodec->channels;
2139 codec->frame_size = icodec->frame_size;
2140 codec->audio_service_type = icodec->audio_service_type;
2141 codec->block_align= icodec->block_align;
2142 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2143 codec->block_align= 0;
2144 if(codec->codec_id == CODEC_ID_AC3)
2145 codec->block_align= 0;
2146 break;
2147 case AVMEDIA_TYPE_VIDEO:
2148 codec->pix_fmt = icodec->pix_fmt;
2149 codec->width = icodec->width;
2150 codec->height = icodec->height;
2151 codec->has_b_frames = icodec->has_b_frames;
2152 if (!codec->sample_aspect_ratio.num) {
2153 codec->sample_aspect_ratio =
2154 ost->st->sample_aspect_ratio =
2155 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2156 ist->st->codec->sample_aspect_ratio.num ?
2157 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2158 }
2159 break;
2160 case AVMEDIA_TYPE_SUBTITLE:
2161 codec->width = icodec->width;
2162 codec->height = icodec->height;
2163 break;
2164 case AVMEDIA_TYPE_DATA:
2165 break;
2166 default:
2167 abort();
2168 }
2169 } else {
2170 if (!ost->enc)
2171 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2172 switch(codec->codec_type) {
2173 case AVMEDIA_TYPE_AUDIO:
2174 ost->fifo= av_fifo_alloc(1024);
2175 if(!ost->fifo)
2176 goto fail;
2177 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2178 if (!codec->sample_rate) {
2179 codec->sample_rate = icodec->sample_rate;
2180 if (icodec->lowres)
2181 codec->sample_rate >>= icodec->lowres;
2182 }
2183 choose_sample_rate(ost->st, ost->enc);
2184 codec->time_base = (AVRational){1, codec->sample_rate};
2185 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2186 codec->sample_fmt = icodec->sample_fmt;
2187 choose_sample_fmt(ost->st, ost->enc);
2188 if (!codec->channels)
2189 codec->channels = icodec->channels;
2190 codec->channel_layout = icodec->channel_layout;
2191 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2192 codec->channel_layout = 0;
2193 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2194 icodec->request_channels = codec->channels;
2195 ist->decoding_needed = 1;
2196 ost->encoding_needed = 1;
2197 ost->resample_sample_fmt = icodec->sample_fmt;
2198 ost->resample_sample_rate = icodec->sample_rate;
2199 ost->resample_channels = icodec->channels;
2200 break;
2201 case AVMEDIA_TYPE_VIDEO:
2202 if (codec->pix_fmt == PIX_FMT_NONE)
2203 codec->pix_fmt = icodec->pix_fmt;
2204 choose_pixel_fmt(ost->st, ost->enc);
2205
2206 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2207 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2208 exit_program(1);
2209 }
2210
2211 if (!codec->width || !codec->height) {
2212 codec->width = icodec->width;
2213 codec->height = icodec->height;
2214 }
2215
2216 ost->video_resample = codec->width != icodec->width ||
2217 codec->height != icodec->height ||
2218 codec->pix_fmt != icodec->pix_fmt;
2219 if (ost->video_resample) {
2220 #if !CONFIG_AVFILTER
2221 avcodec_get_frame_defaults(&ost->pict_tmp);
2222 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2223 codec->width, codec->height)) {
2224 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2225 exit_program(1);
2226 }
2227 ost->img_resample_ctx = sws_getContext(
2228 icodec->width,
2229 icodec->height,
2230 icodec->pix_fmt,
2231 codec->width,
2232 codec->height,
2233 codec->pix_fmt,
2234 ost->sws_flags, NULL, NULL, NULL);
2235 if (ost->img_resample_ctx == NULL) {
2236 fprintf(stderr, "Cannot get resampling context\n");
2237 exit_program(1);
2238 }
2239 #endif
2240 codec->bits_per_raw_sample= 0;
2241 }
2242
2243 ost->resample_height = icodec->height;
2244 ost->resample_width = icodec->width;
2245 ost->resample_pix_fmt= icodec->pix_fmt;
2246 ost->encoding_needed = 1;
2247 ist->decoding_needed = 1;
2248
2249 if (!ost->frame_rate.num)
2250 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2251 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2252 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2253 ost->frame_rate = ost->enc->supported_framerates[idx];
2254 }
2255 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2256
2257 #if CONFIG_AVFILTER
2258 if (configure_video_filters(ist, ost)) {
2259 fprintf(stderr, "Error opening filters!\n");
2260 exit(1);
2261 }
2262 #endif
2263 break;
2264 case AVMEDIA_TYPE_SUBTITLE:
2265 ost->encoding_needed = 1;
2266 ist->decoding_needed = 1;
2267 break;
2268 default:
2269 abort();
2270 break;
2271 }
2272 /* two pass mode */
2273 if (ost->encoding_needed &&
2274 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2275 char logfilename[1024];
2276 FILE *f;
2277
2278 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2279 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2280 i);
2281 if (codec->flags & CODEC_FLAG_PASS1) {
2282 f = fopen(logfilename, "wb");
2283 if (!f) {
2284 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2285 exit_program(1);
2286 }
2287 ost->logfile = f;
2288 } else {
2289 char *logbuffer;
2290 size_t logbuffer_size;
2291 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2292 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2293 exit_program(1);
2294 }
2295 codec->stats_in = logbuffer;
2296 }
2297 }
2298 }
2299 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2300 int size= codec->width * codec->height;
2301 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2302 }
2303 }
2304
2305 if (!bit_buffer)
2306 bit_buffer = av_malloc(bit_buffer_size);
2307 if (!bit_buffer) {
2308 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2309 bit_buffer_size);
2310 ret = AVERROR(ENOMEM);
2311 goto fail;
2312 }
2313
2314 /* open each encoder */
2315 for(i=0;i<nb_ostreams;i++) {
2316 ost = ost_table[i];
2317 if (ost->encoding_needed) {
2318 AVCodec *codec = ost->enc;
2319 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2320 if (!codec) {
2321 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2322 ost->st->codec->codec_id, ost->file_index, ost->index);
2323 ret = AVERROR(EINVAL);
2324 goto dump_format;
2325 }
2326 if (dec->subtitle_header) {
2327 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2328 if (!ost->st->codec->subtitle_header) {
2329 ret = AVERROR(ENOMEM);
2330 goto dump_format;
2331 }
2332 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2333 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2334 }
2335 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2336 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2337 ost->file_index, ost->index);
2338 ret = AVERROR(EINVAL);
2339 goto dump_format;
2340 }
2341 assert_codec_experimental(ost->st->codec, 1);
2342 assert_avoptions(ost->opts);
2343 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2344 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2345 "It takes bits/s as argument, not kbits/s\n");
2346 extra_size += ost->st->codec->extradata_size;
2347 }
2348 }
2349
2350 /* open each decoder */
2351 for (i = 0; i < nb_input_streams; i++) {
2352 ist = &input_streams[i];
2353 if (ist->decoding_needed) {
2354 AVCodec *codec = ist->dec;
2355 if (!codec)
2356 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2357 if (!codec) {
2358 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2359 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2360 ret = AVERROR(EINVAL);
2361 goto dump_format;
2362 }
2363
2364 /* update requested sample format for the decoder based on the
2365 corresponding encoder sample format */
2366 for (j = 0; j < nb_ostreams; j++) {
2367 ost = ost_table[j];
2368 if (ost->source_index == i) {
2369 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2370 break;
2371 }
2372 }
2373
2374 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2375 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2376 ist->file_index, ist->st->index);
2377 ret = AVERROR(EINVAL);
2378 goto dump_format;
2379 }
2380 assert_codec_experimental(ist->st->codec, 0);
2381 assert_avoptions(ost->opts);
2382 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2383 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2384 }
2385 }
2386
2387 /* init pts */
2388 for (i = 0; i < nb_input_streams; i++) {
2389 AVStream *st;
2390 ist = &input_streams[i];
2391 st= ist->st;
2392 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2393 ist->next_pts = AV_NOPTS_VALUE;
2394 init_pts_correction(&ist->pts_ctx);
2395 ist->is_start = 1;
2396 }
2397
2398 /* open files and write file headers */
2399 for(i=0;i<nb_output_files;i++) {
2400 os = output_files[i];
2401 if (avformat_write_header(os, &output_opts[i]) < 0) {
2402 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2403 ret = AVERROR(EINVAL);
2404 goto dump_format;
2405 }
2406 assert_avoptions(output_opts[i]);
2407 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2408 want_sdp = 0;
2409 }
2410 }
2411
2412 dump_format:
2413 /* dump the file output parameters - cannot be done before in case
2414 of stream copy */
2415 for(i=0;i<nb_output_files;i++) {
2416 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2417 }
2418
2419 /* dump the stream mapping */
2420 if (verbose >= 0) {
2421 fprintf(stderr, "Stream mapping:\n");
2422 for(i=0;i<nb_ostreams;i++) {
2423 ost = ost_table[i];
2424 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2425 input_streams[ost->source_index].file_index,
2426 input_streams[ost->source_index].st->index,
2427 ost->file_index,
2428 ost->index);
2429 if (ost->sync_ist != &input_streams[ost->source_index])
2430 fprintf(stderr, " [sync #%d.%d]",
2431 ost->sync_ist->file_index,
2432 ost->sync_ist->st->index);
2433 fprintf(stderr, "\n");
2434 }
2435 }
2436
2437 if (ret) {
2438 fprintf(stderr, "%s\n", error);
2439 goto fail;
2440 }
2441
2442 if (want_sdp) {
2443 print_sdp(output_files, nb_output_files);
2444 }
2445
2446 if (verbose >= 0)
2447 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2448 term_init();
2449
2450 timer_start = av_gettime();
2451
2452 for(; received_sigterm == 0;) {
2453 int file_index, ist_index;
2454 AVPacket pkt;
2455 double ipts_min;
2456 double opts_min;
2457
2458 redo:
2459 ipts_min= 1e100;
2460 opts_min= 1e100;
2461
2462 /* select the stream that we must read now by looking at the
2463 smallest output pts */
2464 file_index = -1;
2465 for(i=0;i<nb_ostreams;i++) {
2466 double ipts, opts;
2467 ost = ost_table[i];
2468 os = output_files[ost->file_index];
2469 ist = &input_streams[ost->source_index];
2470 if(ist->is_past_recording_time || no_packet[ist->file_index])
2471 continue;
2472 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2473 ipts = (double)ist->pts;
2474 if (!input_files[ist->file_index].eof_reached){
2475 if(ipts < ipts_min) {
2476 ipts_min = ipts;
2477 if(input_sync ) file_index = ist->file_index;
2478 }
2479 if(opts < opts_min) {
2480 opts_min = opts;
2481 if(!input_sync) file_index = ist->file_index;
2482 }
2483 }
2484 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2485 file_index= -1;
2486 break;
2487 }
2488 }
2489 /* if none, if is finished */
2490 if (file_index < 0) {
2491 if(no_packet_count){
2492 no_packet_count=0;
2493 memset(no_packet, 0, sizeof(no_packet));
2494 usleep(10000);
2495 continue;
2496 }
2497 break;
2498 }
2499
2500 /* finish if limit size exhausted */
2501 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2502 break;
2503
2504 /* read a frame from it and output it in the fifo */
2505 is = input_files[file_index].ctx;
2506 ret= av_read_frame(is, &pkt);
2507 if(ret == AVERROR(EAGAIN)){
2508 no_packet[file_index]=1;
2509 no_packet_count++;
2510 continue;
2511 }
2512 if (ret < 0) {
2513 input_files[file_index].eof_reached = 1;
2514 if (opt_shortest)
2515 break;
2516 else
2517 continue;
2518 }
2519
2520 no_packet_count=0;
2521 memset(no_packet, 0, sizeof(no_packet));
2522
2523 if (do_pkt_dump) {
2524 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2525 is->streams[pkt.stream_index]);
2526 }
2527 /* the following test is needed in case new streams appear
2528 dynamically in stream : we ignore them */
2529 if (pkt.stream_index >= input_files[file_index].ctx->nb_streams)
2530 goto discard_packet;
2531 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2532 ist = &input_streams[ist_index];
2533 if (ist->discard)
2534 goto discard_packet;
2535
2536 if (pkt.dts != AV_NOPTS_VALUE)
2537 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2538 if (pkt.pts != AV_NOPTS_VALUE)
2539 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2540
2541 if (ist->ts_scale) {
2542 if(pkt.pts != AV_NOPTS_VALUE)
2543 pkt.pts *= ist->ts_scale;
2544 if(pkt.dts != AV_NOPTS_VALUE)
2545 pkt.dts *= ist->ts_scale;
2546 }
2547
2548 // 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);
2549 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2550 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2551 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2552 int64_t delta= pkt_dts - ist->next_pts;
2553 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2554 input_files[ist->file_index].ts_offset -= delta;
2555 if (verbose > 2)
2556 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2557 delta, input_files[ist->file_index].ts_offset);
2558 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2559 if(pkt.pts != AV_NOPTS_VALUE)
2560 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2561 }
2562 }
2563
2564 /* finish if recording time exhausted */
2565 if (recording_time != INT64_MAX &&
2566 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2567 ist->is_past_recording_time = 1;
2568 goto discard_packet;
2569 }
2570
2571 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2572 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2573
2574 if (verbose >= 0)
2575 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2576 ist->file_index, ist->st->index);
2577 if (exit_on_error)
2578 exit_program(1);
2579 av_free_packet(&pkt);
2580 goto redo;
2581 }
2582
2583 discard_packet:
2584 av_free_packet(&pkt);
2585
2586 /* dump report by using the output first video and audio streams */
2587 print_report(output_files, ost_table, nb_ostreams, 0);
2588 }
2589
2590 /* at the end of stream, we must flush the decoder buffers */
2591 for (i = 0; i < nb_input_streams; i++) {
2592 ist = &input_streams[i];
2593 if (ist->decoding_needed) {
2594 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2595 }
2596 }
2597
2598 term_exit();
2599
2600 /* write the trailer if needed and close file */
2601 for(i=0;i<nb_output_files;i++) {
2602 os = output_files[i];
2603 av_write_trailer(os);
2604 }
2605
2606 /* dump report by using the first video and audio streams */
2607 print_report(output_files, ost_table, nb_ostreams, 1);
2608
2609 /* close each encoder */
2610 for(i=0;i<nb_ostreams;i++) {
2611 ost = ost_table[i];
2612 if (ost->encoding_needed) {
2613 av_freep(&ost->st->codec->stats_in);
2614 avcodec_close(ost->st->codec);
2615 }
2616 #if CONFIG_AVFILTER
2617 avfilter_graph_free(&ost->graph);
2618 #endif
2619 }
2620
2621 /* close each decoder */
2622 for (i = 0; i < nb_input_streams; i++) {
2623 ist = &input_streams[i];
2624 if (ist->decoding_needed) {
2625 avcodec_close(ist->st->codec);
2626 }
2627 }
2628
2629 /* finished ! */
2630 ret = 0;
2631
2632 fail:
2633 av_freep(&bit_buffer);
2634
2635 if (ost_table) {
2636 for(i=0;i<nb_ostreams;i++) {
2637 ost = ost_table[i];
2638 if (ost) {
2639 if (ost->st->stream_copy)
2640 av_freep(&ost->st->codec->extradata);
2641 if (ost->logfile) {
2642 fclose(ost->logfile);
2643 ost->logfile = NULL;
2644 }
2645 av_fifo_free(ost->fifo); /* works even if fifo is not
2646 initialized but set to zero */
2647 av_freep(&ost->st->codec->subtitle_header);
2648 av_free(ost->pict_tmp.data[0]);
2649 av_free(ost->forced_kf_pts);
2650 if (ost->video_resample)
2651 sws_freeContext(ost->img_resample_ctx);
2652 if (ost->resample)
2653 audio_resample_close(ost->resample);
2654 if (ost->reformat_ctx)
2655 av_audio_convert_free(ost->reformat_ctx);
2656 av_dict_free(&ost->opts);
2657 av_free(ost);
2658 }
2659 }
2660 av_free(ost_table);
2661 }
2662 return ret;
2663 }
2664
2665 static int opt_format(const char *opt, const char *arg)
2666 {
2667 last_asked_format = arg;
2668 return 0;
2669 }
2670
2671 static int opt_video_rc_override_string(const char *opt, const char *arg)
2672 {
2673 video_rc_override_string = arg;
2674 return 0;
2675 }
2676
2677 static int opt_me_threshold(const char *opt, const char *arg)
2678 {
2679 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2680 return 0;
2681 }
2682
2683 static int opt_verbose(const char *opt, const char *arg)
2684 {
2685 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2686 return 0;
2687 }
2688
2689 static int opt_frame_rate(const char *opt, const char *arg)
2690 {
2691 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2692 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2693 exit_program(1);
2694 }
2695 return 0;
2696 }
2697
2698 static int opt_frame_crop(const char *opt, const char *arg)
2699 {
2700 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2701 return AVERROR(EINVAL);
2702 }
2703
2704 static int opt_frame_size(const char *opt, const char *arg)
2705 {
2706 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2707 fprintf(stderr, "Incorrect frame size\n");
2708 return AVERROR(EINVAL);
2709 }
2710 return 0;
2711 }
2712
2713 static int opt_pad(const char *opt, const char *arg) {
2714 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2715 return -1;
2716 }
2717
2718 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2719 {
2720 if (strcmp(arg, "list")) {
2721 frame_pix_fmt = av_get_pix_fmt(arg);
2722 if (frame_pix_fmt == PIX_FMT_NONE) {
2723 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2724 return AVERROR(EINVAL);
2725 }
2726 } else {
2727 show_pix_fmts();
2728 exit_program(0);
2729 }
2730 return 0;
2731 }
2732
2733 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2734 {
2735 int x = 0, y = 0;
2736 double ar = 0;
2737 const char *p;
2738 char *end;
2739
2740 p = strchr(arg, ':');
2741 if (p) {
2742 x = strtol(arg, &end, 10);
2743 if (end == p)
2744 y = strtol(end+1, &end, 10);
2745 if (x > 0 && y > 0)
2746 ar = (double)x / (double)y;
2747 } else
2748 ar = strtod(arg, NULL);
2749
2750 if (!ar) {
2751 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2752 return AVERROR(EINVAL);
2753 }
2754 frame_aspect_ratio = ar;
2755 return 0;
2756 }
2757
2758 static int opt_metadata(const char *opt, const char *arg)
2759 {
2760 char *mid= strchr(arg, '=');
2761
2762 if(!mid){
2763 fprintf(stderr, "Missing =\n");
2764 exit_program(1);
2765 }
2766 *mid++= 0;
2767
2768 av_dict_set(&metadata, arg, mid, 0);
2769
2770 return 0;
2771 }
2772
2773 static int opt_qscale(const char *opt, const char *arg)
2774 {
2775 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2776 if (video_qscale == 0) {
2777 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2778 return AVERROR(EINVAL);
2779 }
2780 return 0;
2781 }
2782
2783 static int opt_top_field_first(const char *opt, const char *arg)
2784 {
2785 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2786 return 0;
2787 }
2788
2789 static int opt_thread_count(const char *opt, const char *arg)
2790 {
2791 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2792 #if !HAVE_THREADS
2793 if (verbose >= 0)
2794 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2795 #endif
2796 return 0;
2797 }
2798
2799 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2800 {
2801 if (strcmp(arg, "list")) {
2802 audio_sample_fmt = av_get_sample_fmt(arg);
2803 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2804 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2805 return AVERROR(EINVAL);
2806 }
2807 } else {
2808 int i;
2809 char fmt_str[128];
2810 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2811 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2812 exit_program(0);
2813 }
2814 return 0;
2815 }
2816
2817 static int opt_audio_rate(const char *opt, const char *arg)
2818 {
2819 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2820 return 0;
2821 }
2822
2823 static int opt_audio_channels(const char *opt, const char *arg)
2824 {
2825 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2826 return 0;
2827 }
2828
2829 static int opt_codec(int *pstream_copy, char **pcodec_name,
2830 int codec_type, const char *arg)
2831 {
2832 av_freep(pcodec_name);
2833 if (!strcmp(arg, "copy")) {
2834 *pstream_copy = 1;
2835 } else {
2836 *pcodec_name = av_strdup(arg);
2837 }
2838 return 0;
2839 }
2840
2841 static int opt_audio_codec(const char *opt, const char *arg)
2842 {
2843 return opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
2844 }
2845
2846 static int opt_video_codec(const char *opt, const char *arg)
2847 {
2848 return opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
2849 }
2850
2851 static int opt_subtitle_codec(const char *opt, const char *arg)
2852 {
2853 return opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
2854 }
2855
2856 static int opt_data_codec(const char *opt, const char *arg)
2857 {
2858 return opt_codec(&data_stream_copy, &data_codec_name, AVMEDIA_TYPE_DATA, arg);
2859 }
2860
2861 static int opt_codec_tag(const char *opt, const char *arg)
2862 {
2863 char *tail;
2864 uint32_t *codec_tag;
2865
2866 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2867 !strcmp(opt, "vtag") ? &video_codec_tag :
2868 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2869 if (!codec_tag)
2870 return -1;
2871
2872 *codec_tag = strtol(arg, &tail, 0);
2873 if (!tail || *tail)
2874 *codec_tag = AV_RL32(arg);
2875
2876 return 0;
2877 }
2878
2879 static int opt_map(const char *opt, const char *arg)
2880 {
2881 StreamMap *m;
2882 char *p;
2883
2884 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2885 m = &stream_maps[nb_stream_maps-1];
2886
2887 m->file_index = strtol(arg, &p, 0);
2888 if (*p)
2889 p++;
2890
2891 m->stream_index = strtol(p, &p, 0);
2892 if (*p) {
2893 p++;
2894 m->sync_file_index = strtol(p, &p, 0);
2895 if (*p)
2896 p++;
2897 m->sync_stream_index = strtol(p, &p, 0);
2898 } else {
2899 m->sync_file_index = m->file_index;
2900 m->sync_stream_index = m->stream_index;
2901 }
2902 return 0;
2903 }
2904
2905 static void parse_meta_type(char *arg, char *type, int *index)
2906 {
2907 if (*arg == ':') {
2908 *type = *(++arg);
2909 switch (*arg) {
2910 case 'g':
2911 break;
2912 case 's':
2913 case 'c':
2914 case 'p':
2915 if (*(++arg) == ':')
2916 *index = strtol(++arg, NULL, 0);
2917 break;
2918 default:
2919 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2920 exit_program(1);
2921 }
2922 } else
2923 *type = 'g';
2924 }
2925
2926 static int opt_map_metadata(const char *opt, const char *arg)
2927 {
2928 MetadataMap *m, *m1;
2929 char *p;
2930
2931 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2932 &nb_meta_data_maps, nb_meta_data_maps + 1);
2933
2934 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2935 m->file = strtol(arg, &p, 0);
2936 parse_meta_type(p, &m->type, &m->index);
2937
2938 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2939 if (p = strchr(opt, ':'))
2940 parse_meta_type(p, &m1->type, &m1->index);
2941 else
2942 m1->type = 'g';
2943
2944 if (m->type == 'g' || m1->type == 'g')
2945 metadata_global_autocopy = 0;
2946 if (m->type == 's' || m1->type == 's')
2947 metadata_streams_autocopy = 0;
2948 if (m->type == 'c' || m1->type == 'c')
2949 metadata_chapters_autocopy = 0;
2950
2951 return 0;
2952 }
2953
2954 static int opt_input_ts_scale(const char *opt, const char *arg)
2955 {
2956 unsigned int stream;
2957 double scale;
2958 char *p;
2959
2960 stream = strtol(arg, &p, 0);
2961 if (*p)
2962 p++;
2963 scale= strtod(p, &p);
2964
2965 ts_scale = grow_array(ts_scale, sizeof(*ts_scale), &nb_ts_scale, stream + 1);
2966 ts_scale[stream] = scale;
2967 return 0;
2968 }
2969
2970 static int opt_recording_time(const char *opt, const char *arg)
2971 {
2972 recording_time = parse_time_or_die(opt, arg, 1);
2973 return 0;
2974 }
2975
2976 static int opt_start_time(const char *opt, const char *arg)
2977 {
2978 start_time = parse_time_or_die(opt, arg, 1);
2979 return 0;
2980 }
2981
2982 static int opt_input_ts_offset(const char *opt, const char *arg)
2983 {
2984 input_ts_offset = parse_time_or_die(opt, arg, 1);
2985 return 0;
2986 }
2987
2988 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2989 {
2990 const char *codec_string = encoder ? "encoder" : "decoder";
2991 AVCodec *codec;
2992
2993 if(!name)
2994 return CODEC_ID_NONE;
2995 codec = encoder ?
2996 avcodec_find_encoder_by_name(name) :
2997 avcodec_find_decoder_by_name(name);
2998 if(!codec) {
2999 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3000 exit_program(1);
3001 }
3002 if(codec->type != type) {
3003 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3004 exit_program(1);
3005 }
3006 return codec->id;
3007 }
3008
3009 static int opt_input_file(const char *opt, const char *filename)
3010 {
3011 AVFormatContext *ic;
3012 AVInputFormat *file_iformat = NULL;
3013 int err, i, ret, rfps, rfps_base;
3014 int64_t timestamp;
3015 uint8_t buf[128];
3016 AVDictionary **opts;
3017 int orig_nb_streams; // number of streams before avformat_find_stream_info
3018
3019 if (last_asked_format) {
3020 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3021 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3022 exit_program(1);
3023 }
3024 last_asked_format = NULL;
3025 }
3026
3027 if (!strcmp(filename, "-"))
3028 filename = "pipe:";
3029
3030 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3031 !strcmp(filename, "/dev/stdin");
3032
3033 /* get default parameters from command line */
3034 ic = avformat_alloc_context();
3035 if (!ic) {
3036 print_error(filename, AVERROR(ENOMEM));
3037 exit_program(1);
3038 }
3039 if (audio_sample_rate) {
3040 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3041 av_dict_set(&format_opts, "sample_rate", buf, 0);
3042 }
3043 if (audio_channels) {
3044 snprintf(buf, sizeof(buf), "%d", audio_channels);
3045 av_dict_set(&format_opts, "channels", buf, 0);
3046 }
3047 if (frame_rate.num) {
3048 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
3049 av_dict_set(&format_opts, "framerate", buf, 0);
3050 }
3051 if (frame_width && frame_height) {
3052 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
3053 av_dict_set(&format_opts, "video_size", buf, 0);
3054 }
3055 if (frame_pix_fmt != PIX_FMT_NONE)
3056 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
3057
3058 ic->video_codec_id =
3059 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0);
3060 ic->audio_codec_id =
3061 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0);
3062 ic->subtitle_codec_id=
3063 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0);
3064 ic->flags |= AVFMT_FLAG_NONBLOCK;
3065
3066 /* open the input file with generic libav function */
3067 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3068 if (err < 0) {
3069 print_error(filename, err);
3070 exit_program(1);
3071 }
3072 assert_avoptions(format_opts);
3073
3074 if(opt_programid) {
3075 int i, j;
3076 int found=0;
3077 for(i=0; i<ic->nb_streams; i++){
3078 ic->streams[i]->discard= AVDISCARD_ALL;
3079 }
3080 for(i=0; i<ic->nb_programs; i++){
3081 AVProgram *p= ic->programs[i];
3082 if(p->id != opt_programid){
3083 p->discard = AVDISCARD_ALL;
3084 }else{
3085 found=1;
3086 for(j=0; j<p->nb_stream_indexes; j++){
3087 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3088 }
3089 }
3090 }
3091 if(!found){
3092 fprintf(stderr, "Specified program id not found\n");
3093 exit_program(1);
3094 }
3095 opt_programid=0;
3096 }
3097
3098 /* Set AVCodecContext options for avformat_find_stream_info */
3099 opts = setup_find_stream_info_opts(ic, codec_opts);
3100 orig_nb_streams = ic->nb_streams;
3101
3102 /* If not enough info to get the stream parameters, we decode the
3103 first frames to get it. (used in mpeg case for example) */
3104 ret = avformat_find_stream_info(ic, opts);
3105 if (ret < 0 && verbose >= 0) {
3106 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3107 av_close_input_file(ic);
3108 exit_program(1);
3109 }
3110
3111 timestamp = start_time;
3112 /* add the stream start time */
3113 if (ic->start_time != AV_NOPTS_VALUE)
3114 timestamp += ic->start_time;
3115
3116 /* if seeking requested, we execute it */
3117 if (start_time != 0) {
3118 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3119 if (ret < 0) {
3120 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3121 filename, (double)timestamp / AV_TIME_BASE);
3122 }
3123 /* reset seek info */
3124 start_time = 0;
3125 }
3126
3127 /* update the current parameters so that they match the one of the input stream */
3128 for(i=0;i<ic->nb_streams;i++) {
3129 AVStream *st = ic->streams[i];
3130 AVCodecContext *dec = st->codec;
3131 InputStream *ist;
3132
3133 dec->thread_count = thread_count;
3134
3135 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3136 ist = &input_streams[nb_input_streams - 1];
3137 ist->st = st;
3138 ist->file_index = nb_input_files;
3139 ist->discard = 1;
3140 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, 0);
3141
3142 if (i < nb_ts_scale)
3143 ist->ts_scale = ts_scale[i];
3144
3145 switch (dec->codec_type) {
3146 case AVMEDIA_TYPE_AUDIO:
3147 ist->dec = avcodec_find_decoder_by_name(audio_codec_name);
3148 if(audio_disable)
3149 st->discard= AVDISCARD_ALL;
3150 break;
3151 case AVMEDIA_TYPE_VIDEO:
3152 ist->dec = avcodec_find_decoder_by_name(video_codec_name);
3153 rfps = ic->streams[i]->r_frame_rate.num;
3154 rfps_base = ic->streams[i]->r_frame_rate.den;
3155 if (dec->lowres) {
3156 dec->flags |= CODEC_FLAG_EMU_EDGE;
3157 dec->height >>= dec->lowres;
3158 dec->width >>= dec->lowres;
3159 }
3160 if(me_threshold)
3161 dec->debug |= FF_DEBUG_MV;
3162
3163 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3164
3165 if (verbose >= 0)
3166 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3167 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3168
3169 (float)rfps / rfps_base, rfps, rfps_base);
3170 }
3171
3172 if(video_disable)
3173 st->discard= AVDISCARD_ALL;
3174 else if(video_discard)
3175 st->discard= video_discard;
3176 break;
3177 case AVMEDIA_TYPE_DATA:
3178 break;
3179 case AVMEDIA_TYPE_SUBTITLE:
3180 ist->dec = avcodec_find_decoder_by_name(subtitle_codec_name);
3181 if(subtitle_disable)
3182 st->discard = AVDISCARD_ALL;
3183 break;
3184 case AVMEDIA_TYPE_ATTACHMENT:
3185 case AVMEDIA_TYPE_UNKNOWN:
3186 break;
3187 default:
3188 abort();
3189 }
3190 }
3191
3192 /* dump the file content */
3193 if (verbose >= 0)
3194 av_dump_format(ic, nb_input_files, filename, 0);
3195
3196 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3197 input_files[nb_input_files - 1].ctx = ic;
3198 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3199 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3200
3201 frame_rate = (AVRational){0, 0};
3202 frame_pix_fmt = PIX_FMT_NONE;
3203 frame_height = 0;
3204 frame_width = 0;
3205 audio_sample_rate = 0;
3206 audio_channels = 0;
3207 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3208 av_freep(&ts_scale);
3209 nb_ts_scale = 0;
3210
3211 for (i = 0; i < orig_nb_streams; i++)
3212 av_dict_free(&opts[i]);
3213 av_freep(&opts);
3214 av_freep(&video_codec_name);
3215 av_freep(&audio_codec_name);
3216 av_freep(&subtitle_codec_name);
3217 uninit_opts();
3218 init_opts();
3219 return 0;
3220 }
3221
3222 static void check_inputs(int *has_video_ptr,
3223 int *has_audio_ptr,
3224 int *has_subtitle_ptr,
3225 int *has_data_ptr)
3226 {
3227 int has_video, has_audio, has_subtitle, has_data, i, j;
3228 AVFormatContext *ic;
3229
3230 has_video = 0;
3231 has_audio = 0;
3232 has_subtitle = 0;
3233 has_data = 0;
3234
3235 for(j=0;j<nb_input_files;j++) {
3236 ic = input_files[j].ctx;
3237 for(i=0;i<ic->nb_streams;i++) {
3238 AVCodecContext *enc = ic->streams[i]->codec;
3239 switch(enc->codec_type) {
3240 case AVMEDIA_TYPE_AUDIO:
3241 has_audio = 1;
3242 break;
3243 case AVMEDIA_TYPE_VIDEO:
3244 has_video = 1;
3245 break;
3246 case AVMEDIA_TYPE_SUBTITLE:
3247 has_subtitle = 1;
3248 break;
3249 case AVMEDIA_TYPE_DATA:
3250 case AVMEDIA_TYPE_ATTACHMENT:
3251 case AVMEDIA_TYPE_UNKNOWN:
3252 has_data = 1;
3253 break;
3254 default:
3255 abort();
3256 }
3257 }
3258 }
3259 *has_video_ptr = has_video;
3260 *has_audio_ptr = has_audio;
3261 *has_subtitle_ptr = has_subtitle;
3262 *has_data_ptr = has_data;
3263 }
3264
3265 static void new_video_stream(AVFormatContext *oc, int file_idx)
3266 {
3267 AVStream *st;
3268 OutputStream *ost;
3269 AVCodecContext *video_enc;
3270 enum CodecID codec_id = CODEC_ID_NONE;
3271 AVCodec *codec= NULL;
3272
3273 if(!video_stream_copy){
3274 if (video_codec_name) {
3275 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1);
3276 codec = avcodec_find_encoder_by_name(video_codec_name);
3277 } else {
3278 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3279 codec = avcodec_find_encoder(codec_id);
3280 }
3281 }
3282
3283 ost = new_output_stream(oc, file_idx, codec);
3284 st = ost->st;
3285 if (!video_stream_copy) {
3286 ost->frame_aspect_ratio = frame_aspect_ratio;
3287 frame_aspect_ratio = 0;
3288 #if CONFIG_AVFILTER
3289 ost->avfilter= vfilters;
3290 vfilters = NULL;
3291 #endif
3292 }
3293
3294 ost->bitstream_filters = video_bitstream_filters;
3295 video_bitstream_filters= NULL;
3296
3297 st->codec->thread_count= thread_count;
3298
3299 video_enc = st->codec;
3300
3301 if(video_codec_tag)
3302 video_enc->codec_tag= video_codec_tag;
3303
3304 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3305 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3306 }
3307
3308 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3309 if (video_stream_copy) {
3310 st->stream_copy = 1;
3311 video_enc->sample_aspect_ratio =
3312 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3313 } else {
3314 const char *p;
3315 int i;
3316
3317 if (frame_rate.num)
3318 ost->frame_rate = frame_rate;
3319 video_enc->codec_id = codec_id;
3320
3321 video_enc->width = frame_width;
3322 video_enc->height = frame_height;
3323 video_enc->pix_fmt = frame_pix_fmt;
3324 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3325
3326 if (intra_only)
3327 video_enc->gop_size = 0;
3328 if (video_qscale || same_quality) {
3329 video_enc->flags |= CODEC_FLAG_QSCALE;
3330 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3331 }
3332
3333 if(intra_matrix)
3334 video_enc->intra_matrix = intra_matrix;
3335 if(inter_matrix)
3336 video_enc->inter_matrix = inter_matrix;
3337
3338 p= video_rc_override_string;
3339 for(i=0; p; i++){
3340 int start, end, q;
3341 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3342 if(e!=3){
3343 fprintf(stderr, "error parsing rc_override\n");
3344 exit_program(1);
3345 }
3346 video_enc->rc_override=
3347 av_realloc(video_enc->rc_override,
3348 sizeof(RcOverride)*(i+1));
3349 video_enc->rc_override[i].start_frame= start;
3350 video_enc->rc_override[i].end_frame = end;
3351 if(q>0){
3352 video_enc->rc_override[i].qscale= q;
3353 video_enc->rc_override[i].quality_factor= 1.0;
3354 }
3355 else{
3356 video_enc->rc_override[i].qscale= 0;
3357 video_enc->rc_override[i].quality_factor= -q/100.0;
3358 }
3359 p= strchr(p, '/');
3360 if(p) p++;
3361 }
3362 video_enc->rc_override_count=i;
3363 if (!video_enc->rc_initial_buffer_occupancy)
3364 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3365 video_enc->me_threshold= me_threshold;
3366 video_enc->intra_dc_precision= intra_dc_precision - 8;
3367
3368 if (do_psnr)
3369 video_enc->flags|= CODEC_FLAG_PSNR;
3370
3371 /* two pass mode */
3372 if (do_pass) {
3373 if (do_pass == 1) {
3374 video_enc->flags |= CODEC_FLAG_PASS1;
3375 } else {
3376 video_enc->flags |= CODEC_FLAG_PASS2;
3377 }
3378 }
3379
3380 if (forced_key_frames)
3381 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3382 }
3383 if (video_language) {
3384 av_dict_set(&st->metadata, "language", video_language, 0);
3385 av_freep(&video_language);
3386 }
3387
3388 /* reset some key parameters */
3389 video_disable = 0;
3390 av_freep(&video_codec_name);
3391 av_freep(&forced_key_frames);
3392 video_stream_copy = 0;
3393 frame_pix_fmt = PIX_FMT_NONE;
3394 }
3395
3396 static void new_audio_stream(AVFormatContext *oc, int file_idx)
3397 {
3398 AVStream *st;
3399 OutputStream *ost;
3400 AVCodec *codec= NULL;
3401 AVCodecContext *audio_enc;
3402 enum CodecID codec_id = CODEC_ID_NONE;
3403
3404 if(!audio_stream_copy){
3405 if (audio_codec_name) {
3406 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1);
3407 codec = avcodec_find_encoder_by_name(audio_codec_name);
3408 } else {
3409 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3410 codec = avcodec_find_encoder(codec_id);
3411 }
3412 }
3413 ost = new_output_stream(oc, file_idx, codec);
3414 st = ost->st;
3415
3416 ost->bitstream_filters = audio_bitstream_filters;
3417 audio_bitstream_filters= NULL;
3418
3419 st->codec->thread_count= thread_count;
3420
3421 audio_enc = st->codec;
3422 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3423
3424 if(audio_codec_tag)
3425 audio_enc->codec_tag= audio_codec_tag;
3426
3427 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3428 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3429 }
3430 if (audio_stream_copy) {
3431 st->stream_copy = 1;
3432 } else {
3433 audio_enc->codec_id = codec_id;
3434
3435 if (audio_qscale > QSCALE_NONE) {
3436 audio_enc->flags |= CODEC_FLAG_QSCALE;
3437 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3438 }
3439 if (audio_channels)
3440 audio_enc->channels = audio_channels;
3441 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3442 audio_enc->sample_fmt = audio_sample_fmt;
3443 if (audio_sample_rate)
3444 audio_enc->sample_rate = audio_sample_rate;
3445 }
3446 if (audio_language) {
3447 av_dict_set(&st->metadata, "language", audio_language, 0);
3448 av_freep(&audio_language);
3449 }
3450
3451 /* reset some key parameters */
3452 audio_disable = 0;
3453 av_freep(&audio_codec_name);
3454 audio_stream_copy = 0;
3455 }
3456
3457 static void new_data_stream(AVFormatContext *oc, int file_idx)
3458 {
3459 AVStream *st;
3460 OutputStream *ost;
3461 AVCodecContext *data_enc;
3462
3463 ost = new_output_stream(oc, file_idx, NULL);
3464 st = ost->st;
3465 data_enc = st->codec;
3466 if (!data_stream_copy) {
3467 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3468 exit_program(1);
3469 }
3470
3471 data_enc->codec_type = AVMEDIA_TYPE_DATA;
3472
3473 if (data_codec_tag)
3474 data_enc->codec_tag= data_codec_tag;
3475
3476 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3477 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3478 }
3479 if (data_stream_copy) {
3480 st->stream_copy = 1;
3481 }
3482
3483 data_disable = 0;
3484 av_freep(&data_codec_name);
3485 data_stream_copy = 0;
3486 }
3487
3488 static void new_subtitle_stream(AVFormatContext *oc, int file_idx)
3489 {
3490 AVStream *st;
3491 OutputStream *ost;
3492 AVCodec *codec=NULL;
3493 AVCodecContext *subtitle_enc;
3494 enum CodecID codec_id = CODEC_ID_NONE;
3495
3496 if(!subtitle_stream_copy){
3497 if (subtitle_codec_name) {
3498 codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1);
3499 codec = avcodec_find_encoder_by_name(subtitle_codec_name);
3500 } else {
3501 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE);
3502 codec = avcodec_find_encoder(codec_id);
3503 }
3504 }
3505 ost = new_output_stream(oc, file_idx, codec);
3506 st = ost->st;
3507 subtitle_enc = st->codec;
3508
3509 ost->bitstream_filters = subtitle_bitstream_filters;
3510 subtitle_bitstream_filters= NULL;
3511
3512 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3513
3514 if(subtitle_codec_tag)
3515 subtitle_enc->codec_tag= subtitle_codec_tag;
3516
3517 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3518 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3519 }
3520 if (subtitle_stream_copy) {
3521 st->stream_copy = 1;
3522 } else {
3523 subtitle_enc->codec_id = codec_id;
3524 }
3525
3526 if (subtitle_language) {
3527 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3528 av_freep(&subtitle_language);
3529 }
3530
3531 subtitle_disable = 0;
3532 av_freep(&subtitle_codec_name);
3533 subtitle_stream_copy = 0;
3534 }
3535
3536 static int opt_new_stream(const char *opt, const char *arg)
3537 {
3538 AVFormatContext *oc;
3539 int file_idx = nb_output_files - 1;
3540 if (nb_output_files <= 0) {
3541 fprintf(stderr, "At least one output file must be specified\n");
3542 exit_program(1);
3543 }
3544 oc = output_files[file_idx];
3545
3546 if (!strcmp(opt, "newvideo" )) new_video_stream (oc, file_idx);
3547 else if (!strcmp(opt, "newaudio" )) new_audio_stream (oc, file_idx);
3548 else if (!strcmp(opt, "newsubtitle")) new_subtitle_stream(oc, file_idx);
3549 else if (!strcmp(opt, "newdata" )) new_data_stream (oc, file_idx);
3550 else av_assert0(0);
3551 return 0;
3552 }
3553
3554 /* arg format is "output-stream-index:streamid-value". */
3555 static int opt_streamid(const char *opt, const char *arg)
3556 {
3557 int idx;
3558 char *p;
3559 char idx_str[16];
3560
3561 av_strlcpy(idx_str, arg, sizeof(idx_str));
3562 p = strchr(idx_str, ':');
3563 if (!p) {
3564 fprintf(stderr,
3565 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3566 arg, opt);
3567 exit_program(1);
3568 }
3569 *p++ = '\0';
3570 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3571 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3572 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3573 return 0;
3574 }
3575
3576 static void opt_output_file(const char *filename)
3577 {
3578 AVFormatContext *oc;
3579 int i, err, use_video, use_audio, use_subtitle, use_data;
3580 int input_has_video, input_has_audio, input_has_subtitle, input_has_data;
3581 AVOutputFormat *file_oformat;
3582
3583 if (!strcmp(filename, "-"))
3584 filename = "pipe:";
3585
3586 oc = avformat_alloc_context();
3587 if (!oc) {
3588 print_error(filename, AVERROR(ENOMEM));
3589 exit_program(1);
3590 }
3591
3592 if (last_asked_format) {
3593 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3594 if (!file_oformat) {
3595 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3596 exit_program(1);
3597 }
3598 last_asked_format = NULL;
3599 } else {
3600 file_oformat = av_guess_format(NULL, filename, NULL);
3601 if (!file_oformat) {
3602 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3603 filename);
3604 exit_program(1);
3605 }
3606 }
3607
3608 oc->oformat = file_oformat;
3609 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3610
3611 if (!strcmp(file_oformat->name, "ffm") &&
3612 av_strstart(filename, "http:", NULL)) {
3613 /* special case for files sent to avserver: we get the stream
3614 parameters from avserver */
3615 int err = read_avserver_streams(oc, filename);
3616 if (err < 0) {
3617 print_error(filename, err);
3618 exit_program(1);
3619 }
3620 } else {
3621 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3622 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3623 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3624 use_data = data_stream_copy || data_codec_name; /* XXX once generic data codec will be available add a ->data_codec reference and use it here */
3625
3626 /* disable if no corresponding type found */
3627 check_inputs(&input_has_video,
3628 &input_has_audio,
3629 &input_has_subtitle,
3630 &input_has_data);
3631
3632 if (!input_has_video)
3633 use_video = 0;
3634 if (!input_has_audio)
3635 use_audio = 0;
3636 if (!input_has_subtitle)
3637 use_subtitle = 0;
3638 if (!input_has_data)
3639 use_data = 0;
3640
3641 /* manual disable */
3642 if (audio_disable) use_audio = 0;
3643 if (video_disable) use_video = 0;
3644 if (subtitle_disable) use_subtitle = 0;
3645 if (data_disable) use_data = 0;
3646
3647 if (use_video) new_video_stream(oc, nb_output_files);
3648 if (use_audio) new_audio_stream(oc, nb_output_files);
3649 if (use_subtitle) new_subtitle_stream(oc, nb_output_files);
3650 if (use_data) new_data_stream(oc, nb_output_files);
3651
3652 av_dict_copy(&oc->metadata, metadata, 0);
3653 av_dict_free(&metadata);
3654 }
3655
3656 av_dict_copy(&output_opts[nb_output_files], format_opts, 0);
3657 output_files[nb_output_files++] = oc;
3658
3659 /* check filename in case of an image number is expected */
3660 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3661 if (!av_filename_number_test(oc->filename)) {
3662 print_error(oc->filename, AVERROR(EINVAL