avconv: get rid of new* 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(meta_data_maps);
468
469 av_freep(&input_streams);
470 av_freep(&input_files);
471
472 av_free(video_codec_name);
473 av_free(audio_codec_name);
474 av_free(subtitle_codec_name);
475 av_free(data_codec_name);
476
477 uninit_opts();
478 av_free(audio_buf);
479 av_free(audio_out);
480 allocated_audio_buf_size= allocated_audio_out_size= 0;
481 av_free(samples);
482
483 #if CONFIG_AVFILTER
484 avfilter_uninit();
485 #endif
486
487 if (received_sigterm) {
488 fprintf(stderr,
489 "Received signal %d: terminating.\n",
490 (int) received_sigterm);
491 exit (255);
492 }
493
494 exit(ret); /* not all OS-es handle main() return value */
495 return ret;
496 }
497
498 static void assert_avoptions(AVDictionary *m)
499 {
500 AVDictionaryEntry *t;
501 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
502 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
503 exit_program(1);
504 }
505 }
506
507 static void assert_codec_experimental(AVCodecContext *c, int encoder)
508 {
509 const char *codec_string = encoder ? "encoder" : "decoder";
510 AVCodec *codec;
511 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
512 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
513 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
514 "results.\nAdd '-strict experimental' if you want to use it.\n",
515 codec_string, c->codec->name);
516 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
517 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
518 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
519 codec_string, codec->name);
520 exit_program(1);
521 }
522 }
523
524 /* similar to ff_dynarray_add() and av_fast_realloc() */
525 static void *grow_array(void *array, int elem_size, int *size, int new_size)
526 {
527 if (new_size >= INT_MAX / elem_size) {
528 fprintf(stderr, "Array too big.\n");
529 exit_program(1);
530 }
531 if (*size < new_size) {
532 uint8_t *tmp = av_realloc(array, new_size*elem_size);
533 if (!tmp) {
534 fprintf(stderr, "Could not alloc buffer.\n");
535 exit_program(1);
536 }
537 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
538 *size = new_size;
539 return tmp;
540 }
541 return array;
542 }
543
544 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
545 {
546 if(codec && codec->sample_fmts){
547 const enum AVSampleFormat *p= codec->sample_fmts;
548 for(; *p!=-1; p++){
549 if(*p == st->codec->sample_fmt)
550 break;
551 }
552 if (*p == -1) {
553 av_log(NULL, AV_LOG_WARNING,
554 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
555 av_get_sample_fmt_name(st->codec->sample_fmt),
556 codec->name,
557 av_get_sample_fmt_name(codec->sample_fmts[0]));
558 st->codec->sample_fmt = codec->sample_fmts[0];
559 }
560 }
561 }
562
563 /**
564 * Update the requested input sample format based on the output sample format.
565 * This is currently only used to request float output from decoders which
566 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
567 * Ideally this will be removed in the future when decoders do not do format
568 * conversion and only output in their native format.
569 */
570 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
571 AVCodecContext *enc)
572 {
573 /* if sample formats match or a decoder sample format has already been
574 requested, just return */
575 if (enc->sample_fmt == dec->sample_fmt ||
576 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
577 return;
578
579 /* if decoder supports more than one output format */
580 if (dec_codec && dec_codec->sample_fmts &&
581 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
582 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
583 const enum AVSampleFormat *p;
584 int min_dec = -1, min_inc = -1;
585
586 /* find a matching sample format in the encoder */
587 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
588 if (*p == enc->sample_fmt) {
589 dec->request_sample_fmt = *p;
590 return;
591 } else if (*p > enc->sample_fmt) {
592 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
593 } else
594 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
595 }
596
597 /* if none match, provide the one that matches quality closest */
598 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
599 enc->sample_fmt - min_dec;
600 }
601 }
602
603 static void choose_sample_rate(AVStream *st, AVCodec *codec)
604 {
605 if(codec && codec->supported_samplerates){
606 const int *p= codec->supported_samplerates;
607 int best=0;
608 int best_dist=INT_MAX;
609 for(; *p; p++){
610 int dist= abs(st->codec->sample_rate - *p);
611 if(dist < best_dist){
612 best_dist= dist;
613 best= *p;
614 }
615 }
616 if(best_dist){
617 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
618 }
619 st->codec->sample_rate= best;
620 }
621 }
622
623 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
624 {
625 if(codec && codec->pix_fmts){
626 const enum PixelFormat *p= codec->pix_fmts;
627 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
628 if(st->codec->codec_id==CODEC_ID_MJPEG){
629 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
630 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
631 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};
632 }
633 }
634 for(; *p!=-1; p++){
635 if(*p == st->codec->pix_fmt)
636 break;
637 }
638 if (*p == -1) {
639 if(st->codec->pix_fmt != PIX_FMT_NONE)
640 av_log(NULL, AV_LOG_WARNING,
641 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
642 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
643 codec->name,
644 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
645 st->codec->pix_fmt = codec->pix_fmts[0];
646 }
647 }
648 }
649
650 static OutputStream *new_output_stream(AVFormatContext *oc, int file_idx, AVCodec *codec)
651 {
652 OutputStream *ost;
653 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
654 int idx = oc->nb_streams - 1;
655
656 if (!st) {
657 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
658 exit_program(1);
659 }
660
661 output_streams_for_file[file_idx] =
662 grow_array(output_streams_for_file[file_idx],
663 sizeof(*output_streams_for_file[file_idx]),
664 &nb_output_streams_for_file[file_idx],
665 oc->nb_streams);
666 ost = output_streams_for_file[file_idx][idx] =
667 av_mallocz(sizeof(OutputStream));
668 if (!ost) {
669 fprintf(stderr, "Could not alloc output stream\n");
670 exit_program(1);
671 }
672 ost->file_index = file_idx;
673 ost->index = idx;
674 ost->st = st;
675 ost->enc = codec;
676 if (codec) {
677 st->codec->codec_type = codec->type;
678 ost->opts = filter_codec_opts(codec_opts, codec->id, oc, st);
679 }
680
681 avcodec_get_context_defaults3(st->codec, codec);
682
683 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
684 return ost;
685 }
686
687 static int read_avserver_streams(AVFormatContext *s, const char *filename)
688 {
689 int i, err;
690 AVFormatContext *ic = NULL;
691 int nopts = 0;
692
693 err = avformat_open_input(&ic, filename, NULL, NULL);
694 if (err < 0)
695 return err;
696 /* copy stream format */
697 for(i=0;i<ic->nb_streams;i++) {
698 AVStream *st;
699 OutputStream *ost;
700 AVCodec *codec;
701
702 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
703 ost = new_output_stream(s, nb_output_files, codec);
704 st = ost->st;
705
706 // FIXME: a more elegant solution is needed
707 memcpy(st, ic->streams[i], sizeof(AVStream));
708 st->info = NULL;
709 avcodec_copy_context(st->codec, ic->streams[i]->codec);
710
711 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
712 if (audio_stream_copy) {
713 st->stream_copy = 1;
714 } else
715 choose_sample_fmt(st, codec);
716 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
717 if (video_stream_copy) {
718 st->stream_copy = 1;
719 } else
720 choose_pixel_fmt(st, codec);
721 }
722
723 if(st->codec->flags & CODEC_FLAG_BITEXACT)
724 nopts = 1;
725 }
726
727 av_close_input_file(ic);
728 return 0;
729 }
730
731 static double
732 get_sync_ipts(const OutputStream *ost)
733 {
734 const InputStream *ist = ost->sync_ist;
735 return (double)(ist->pts - start_time)/AV_TIME_BASE;
736 }
737
738 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
739 int ret;
740
741 while(bsfc){
742 AVPacket new_pkt= *pkt;
743 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
744 &new_pkt.data, &new_pkt.size,
745 pkt->data, pkt->size,
746 pkt->flags & AV_PKT_FLAG_KEY);
747 if(a>0){
748 av_free_packet(pkt);
749 new_pkt.destruct= av_destruct_packet;
750 } else if(a<0){
751 fprintf(stderr, "%s failed for stream %d, codec %s",
752 bsfc->filter->name, pkt->stream_index,
753 avctx->codec ? avctx->codec->name : "copy");
754 print_error("", a);
755 if (exit_on_error)
756 exit_program(1);
757 }
758 *pkt= new_pkt;
759
760 bsfc= bsfc->next;
761 }
762
763 ret= av_interleaved_write_frame(s, pkt);
764 if(ret < 0){
765 print_error("av_interleaved_write_frame()", ret);
766 exit_program(1);
767 }
768 }
769
770 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
771
772 static void do_audio_out(AVFormatContext *s,
773 OutputStream *ost,
774 InputStream *ist,
775 unsigned char *buf, int size)
776 {
777 uint8_t *buftmp;
778 int64_t audio_out_size, audio_buf_size;
779 int64_t allocated_for_size= size;
780
781 int size_out, frame_bytes, ret, resample_changed;
782 AVCodecContext *enc= ost->st->codec;
783 AVCodecContext *dec= ist->st->codec;
784 int osize = av_get_bytes_per_sample(enc->sample_fmt);
785 int isize = av_get_bytes_per_sample(dec->sample_fmt);
786 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
787
788 need_realloc:
789 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
790 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
791 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
792 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
793 audio_buf_size*= osize*enc->channels;
794
795 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
796 if(coded_bps > 8*osize)
797 audio_out_size= audio_out_size * coded_bps / (8*osize);
798 audio_out_size += FF_MIN_BUFFER_SIZE;
799
800 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
801 fprintf(stderr, "Buffer sizes too large\n");
802 exit_program(1);
803 }
804
805 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
806 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
807 if (!audio_buf || !audio_out){
808 fprintf(stderr, "Out of memory in do_audio_out\n");
809 exit_program(1);
810 }
811
812 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
813 ost->audio_resample = 1;
814
815 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
816 ost->resample_channels != dec->channels ||
817 ost->resample_sample_rate != dec->sample_rate;
818
819 if ((ost->audio_resample && !ost->resample) || resample_changed) {
820 if (resample_changed) {
821 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",
822 ist->file_index, ist->st->index,
823 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
824 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
825 ost->resample_sample_fmt = dec->sample_fmt;
826 ost->resample_channels = dec->channels;
827 ost->resample_sample_rate = dec->sample_rate;
828 if (ost->resample)
829 audio_resample_close(ost->resample);
830 }
831 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
832 if (audio_sync_method <= 1 &&
833 ost->resample_sample_fmt == enc->sample_fmt &&
834 ost->resample_channels == enc->channels &&
835 ost->resample_sample_rate == enc->sample_rate) {
836 ost->resample = NULL;
837 ost->audio_resample = 0;
838 } else if (ost->audio_resample) {
839 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
840 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
841 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
842 enc->sample_rate, dec->sample_rate,
843 enc->sample_fmt, dec->sample_fmt,
844 16, 10, 0, 0.8);
845 if (!ost->resample) {
846 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
847 dec->channels, dec->sample_rate,
848 enc->channels, enc->sample_rate);
849 exit_program(1);
850 }
851 }
852 }
853
854 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
855 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
856 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
857 if (ost->reformat_ctx)
858 av_audio_convert_free(ost->reformat_ctx);
859 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
860 dec->sample_fmt, 1, NULL, 0);
861 if (!ost->reformat_ctx) {
862 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
863 av_get_sample_fmt_name(dec->sample_fmt),
864 av_get_sample_fmt_name(enc->sample_fmt));
865 exit_program(1);
866 }
867 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
868 }
869
870 if(audio_sync_method){
871 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
872 - av_fifo_size(ost->fifo)/(enc->channels * 2);
873 double idelta= delta*dec->sample_rate / enc->sample_rate;
874 int byte_delta= ((int)idelta)*2*dec->channels;
875
876 //FIXME resample delay
877 if(fabs(delta) > 50){
878 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
879 if(byte_delta < 0){
880 byte_delta= FFMAX(byte_delta, -size);
881 size += byte_delta;
882 buf -= byte_delta;
883 if(verbose > 2)
884 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
885 if(!size)
886 return;
887 ist->is_start=0;
888 }else{
889 static uint8_t *input_tmp= NULL;
890 input_tmp= av_realloc(input_tmp, byte_delta + size);
891
892 if(byte_delta > allocated_for_size - size){
893 allocated_for_size= byte_delta + (int64_t)size;
894 goto need_realloc;
895 }
896 ist->is_start=0;
897
898 memset(input_tmp, 0, byte_delta);
899 memcpy(input_tmp + byte_delta, buf, size);
900 buf= input_tmp;
901 size += byte_delta;
902 if(verbose > 2)
903 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
904 }
905 }else if(audio_sync_method>1){
906 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
907 av_assert0(ost->audio_resample);
908 if(verbose > 2)
909 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
910 // 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));
911 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
912 }
913 }
914 }else
915 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
916 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
917
918 if (ost->audio_resample) {
919 buftmp = audio_buf;
920 size_out = audio_resample(ost->resample,
921 (short *)buftmp, (short *)buf,
922 size / (dec->channels * isize));
923 size_out = size_out * enc->channels * osize;
924 } else {
925 buftmp = buf;
926 size_out = size;
927 }
928
929 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
930 const void *ibuf[6]= {buftmp};
931 void *obuf[6]= {audio_buf};
932 int istride[6]= {isize};
933 int ostride[6]= {osize};
934 int len= size_out/istride[0];
935 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
936 printf("av_audio_convert() failed\n");
937 if (exit_on_error)
938 exit_program(1);
939 return;
940 }
941 buftmp = audio_buf;
942 size_out = len*osize;
943 }
944
945 /* now encode as many frames as possible */
946 if (enc->frame_size > 1) {
947 /* output resampled raw samples */
948 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
949 fprintf(stderr, "av_fifo_realloc2() failed\n");
950 exit_program(1);
951 }
952 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
953
954 frame_bytes = enc->frame_size * osize * enc->channels;
955
956 while (av_fifo_size(ost->fifo) >= frame_bytes) {
957 AVPacket pkt;
958 av_init_packet(&pkt);
959
960 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
961
962 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
963
964 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
965 (short *)audio_buf);
966 if (ret < 0) {
967 fprintf(stderr, "Audio encoding failed\n");
968 exit_program(1);
969 }
970 audio_size += ret;
971 pkt.stream_index= ost->index;
972 pkt.data= audio_out;
973 pkt.size= ret;
974 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
975 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
976 pkt.flags |= AV_PKT_FLAG_KEY;
977 write_frame(s, &pkt, enc, ost->bitstream_filters);
978
979 ost->sync_opts += enc->frame_size;
980 }
981 } else {
982 AVPacket pkt;
983 av_init_packet(&pkt);
984
985 ost->sync_opts += size_out / (osize * enc->channels);
986
987 /* output a pcm frame */
988 /* determine the size of the coded buffer */
989 size_out /= osize;
990 if (coded_bps)
991 size_out = size_out*coded_bps/8;
992
993 if(size_out > audio_out_size){
994 fprintf(stderr, "Internal error, buffer size too small\n");
995 exit_program(1);
996 }
997
998 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
999 ret = avcodec_encode_audio(enc, audio_out, size_out,
1000 (short *)buftmp);
1001 if (ret < 0) {
1002 fprintf(stderr, "Audio encoding failed\n");
1003 exit_program(1);
1004 }
1005 audio_size += ret;
1006 pkt.stream_index= ost->index;
1007 pkt.data= audio_out;
1008 pkt.size= ret;
1009 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1010 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1011 pkt.flags |= AV_PKT_FLAG_KEY;
1012 write_frame(s, &pkt, enc, ost->bitstream_filters);
1013 }
1014 }
1015
1016 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1017 {
1018 AVCodecContext *dec;
1019 AVPicture *picture2;
1020 AVPicture picture_tmp;
1021 uint8_t *buf = 0;
1022
1023 dec = ist->st->codec;
1024
1025 /* deinterlace : must be done before any resize */
1026 if (do_deinterlace) {
1027 int size;
1028
1029 /* create temporary picture */
1030 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1031 buf = av_malloc(size);
1032 if (!buf)
1033 return;
1034
1035 picture2 = &picture_tmp;
1036 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1037
1038 if(avpicture_deinterlace(picture2, picture,
1039 dec->pix_fmt, dec->width, dec->height) < 0) {
1040 /* if error, do not deinterlace */
1041 fprintf(stderr, "Deinterlacing failed\n");
1042 av_free(buf);
1043 buf = NULL;
1044 picture2 = picture;
1045 }
1046 } else {
1047 picture2 = picture;
1048 }
1049
1050 if (picture != picture2)
1051 *picture = *picture2;
1052 *bufp = buf;
1053 }
1054
1055 /* we begin to correct av delay at this threshold */
1056 #define AV_DELAY_MAX 0.100
1057
1058 static void do_subtitle_out(AVFormatContext *s,
1059 OutputStream *ost,
1060 InputStream *ist,
1061 AVSubtitle *sub,
1062 int64_t pts)
1063 {
1064 static uint8_t *subtitle_out = NULL;
1065 int subtitle_out_max_size = 1024 * 1024;
1066 int subtitle_out_size, nb, i;
1067 AVCodecContext *enc;
1068 AVPacket pkt;
1069
1070 if (pts == AV_NOPTS_VALUE) {
1071 fprintf(stderr, "Subtitle packets must have a pts\n");
1072 if (exit_on_error)
1073 exit_program(1);
1074 return;
1075 }
1076
1077 enc = ost->st->codec;
1078
1079 if (!subtitle_out) {
1080 subtitle_out = av_malloc(subtitle_out_max_size);
1081 }
1082
1083 /* Note: DVB subtitle need one packet to draw them and one other
1084 packet to clear them */
1085 /* XXX: signal it in the codec context ? */
1086 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1087 nb = 2;
1088 else
1089 nb = 1;
1090
1091 for(i = 0; i < nb; i++) {
1092 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1093 // start_display_time is required to be 0
1094 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1095 sub->end_display_time -= sub->start_display_time;
1096 sub->start_display_time = 0;
1097 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1098 subtitle_out_max_size, sub);
1099 if (subtitle_out_size < 0) {
1100 fprintf(stderr, "Subtitle encoding failed\n");
1101 exit_program(1);
1102 }
1103
1104 av_init_packet(&pkt);
1105 pkt.stream_index = ost->index;
1106 pkt.data = subtitle_out;
1107 pkt.size = subtitle_out_size;
1108 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1109 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1110 /* XXX: the pts correction is handled here. Maybe handling
1111 it in the codec would be better */
1112 if (i == 0)
1113 pkt.pts += 90 * sub->start_display_time;
1114 else
1115 pkt.pts += 90 * sub->end_display_time;
1116 }
1117 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1118 }
1119 }
1120
1121 static int bit_buffer_size= 1024*256;
1122 static uint8_t *bit_buffer= NULL;
1123
1124 static void do_video_out(AVFormatContext *s,
1125 OutputStream *ost,
1126 InputStream *ist,
1127 AVFrame *in_picture,
1128 int *frame_size, float quality)
1129 {
1130 int nb_frames, i, ret, resample_changed;
1131 AVFrame *final_picture, *formatted_picture;
1132 AVCodecContext *enc, *dec;
1133 double sync_ipts;
1134
1135 enc = ost->st->codec;
1136 dec = ist->st->codec;
1137
1138 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1139
1140 /* by default, we output a single frame */
1141 nb_frames = 1;
1142
1143 *frame_size = 0;
1144
1145 if(video_sync_method){
1146 double vdelta = sync_ipts - ost->sync_opts;
1147 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1148 if (vdelta < -1.1)
1149 nb_frames = 0;
1150 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1151 if(vdelta<=-0.6){
1152 nb_frames=0;
1153 }else if(vdelta>0.6)
1154 ost->sync_opts= lrintf(sync_ipts);
1155 }else if (vdelta > 1.1)
1156 nb_frames = lrintf(vdelta);
1157 //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);
1158 if (nb_frames == 0){
1159 ++nb_frames_drop;
1160 if (verbose>2)
1161 fprintf(stderr, "*** drop!\n");
1162 }else if (nb_frames > 1) {
1163 nb_frames_dup += nb_frames - 1;
1164 if (verbose>2)
1165 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1166 }
1167 }else
1168 ost->sync_opts= lrintf(sync_ipts);
1169
1170 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1171 if (nb_frames <= 0)
1172 return;
1173
1174 formatted_picture = in_picture;
1175 final_picture = formatted_picture;
1176
1177 resample_changed = ost->resample_width != dec->width ||
1178 ost->resample_height != dec->height ||
1179 ost->resample_pix_fmt != dec->pix_fmt;
1180
1181 if (resample_changed) {
1182 av_log(NULL, AV_LOG_INFO,
1183 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1184 ist->file_index, ist->st->index,
1185 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1186 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1187 if(!ost->video_resample)
1188 exit_program(1);
1189 }
1190
1191 #if !CONFIG_AVFILTER
1192 if (ost->video_resample) {
1193 final_picture = &ost->pict_tmp;
1194 if (resample_changed) {
1195 /* initialize a new scaler context */
1196 sws_freeContext(ost->img_resample_ctx);
1197 ost->img_resample_ctx = sws_getContext(
1198 ist->st->codec->width,
1199 ist->st->codec->height,
1200 ist->st->codec->pix_fmt,
1201 ost->st->codec->width,
1202 ost->st->codec->height,
1203 ost->st->codec->pix_fmt,
1204 ost->sws_flags, NULL, NULL, NULL);
1205 if (ost->img_resample_ctx == NULL) {
1206 fprintf(stderr, "Cannot get resampling context\n");
1207 exit_program(1);
1208 }
1209 }
1210 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1211 0, ost->resample_height, final_picture->data, final_picture->linesize);
1212 }
1213 #endif
1214
1215 /* duplicates frame if needed */
1216 for(i=0;i<nb_frames;i++) {
1217 AVPacket pkt;
1218 av_init_packet(&pkt);
1219 pkt.stream_index= ost->index;
1220
1221 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1222 /* raw pictures are written as AVPicture structure to
1223 avoid any copies. We support temorarily the older
1224 method. */
1225 AVFrame* old_frame = enc->coded_frame;
1226 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1227 pkt.data= (uint8_t *)final_picture;
1228 pkt.size= sizeof(AVPicture);
1229 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1230 pkt.flags |= AV_PKT_FLAG_KEY;
1231
1232 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1233 enc->coded_frame = old_frame;
1234 } else {
1235 AVFrame big_picture;
1236
1237 big_picture= *final_picture;
1238 /* better than nothing: use input picture interlaced
1239 settings */
1240 big_picture.interlaced_frame = in_picture->interlaced_frame;
1241 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1242 if(top_field_first == -1)
1243 big_picture.top_field_first = in_picture->top_field_first;
1244 else
1245 big_picture.top_field_first = top_field_first;
1246 }
1247
1248 /* handles sameq here. This is not correct because it may
1249 not be a global option */
1250 big_picture.quality = quality;
1251 if(!me_threshold)
1252 big_picture.pict_type = 0;
1253 // big_picture.pts = AV_NOPTS_VALUE;
1254 big_picture.pts= ost->sync_opts;
1255 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1256 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1257 if (ost->forced_kf_index < ost->forced_kf_count &&
1258 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1259 big_picture.pict_type = AV_PICTURE_TYPE_I;
1260 ost->forced_kf_index++;
1261 }
1262 ret = avcodec_encode_video(enc,
1263 bit_buffer, bit_buffer_size,
1264 &big_picture);
1265 if (ret < 0) {
1266 fprintf(stderr, "Video encoding failed\n");
1267 exit_program(1);
1268 }
1269
1270 if(ret>0){
1271 pkt.data= bit_buffer;
1272 pkt.size= ret;
1273 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1274 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1275 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1276 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1277 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1278
1279 if(enc->coded_frame->key_frame)
1280 pkt.flags |= AV_PKT_FLAG_KEY;
1281 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1282 *frame_size = ret;
1283 video_size += ret;
1284 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1285 // enc->frame_number-1, ret, enc->pict_type);
1286 /* if two pass, output log */
1287 if (ost->logfile && enc->stats_out) {
1288 fprintf(ost->logfile, "%s", enc->stats_out);
1289 }
1290 }
1291 }
1292 ost->sync_opts++;
1293 ost->frame_number++;
1294 }
1295 }
1296
1297 static double psnr(double d){
1298 return -10.0*log(d)/log(10.0);
1299 }
1300
1301 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1302 int frame_size)
1303 {
1304 AVCodecContext *enc;
1305 int frame_number;
1306 double ti1, bitrate, avg_bitrate;
1307
1308 /* this is executed just the first time do_video_stats is called */
1309 if (!vstats_file) {
1310 vstats_file = fopen(vstats_filename, "w");
1311 if (!vstats_file) {
1312 perror("fopen");
1313 exit_program(1);
1314 }
1315 }
1316
1317 enc = ost->st->codec;
1318 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1319 frame_number = ost->frame_number;
1320 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1321 if (enc->flags&CODEC_FLAG_PSNR)
1322 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1323
1324 fprintf(vstats_file,"f_size= %6d ", frame_size);
1325 /* compute pts value */
1326 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1327 if (ti1 < 0.01)
1328 ti1 = 0.01;
1329
1330 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1331 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1332 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1333 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1334 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1335 }
1336 }
1337
1338 static void print_report(AVFormatContext **output_files,
1339 OutputStream **ost_table, int nb_ostreams,
1340 int is_last_report)
1341 {
1342 char buf[1024];
1343 OutputStream *ost;
1344 AVFormatContext *oc;
1345 int64_t total_size;
1346 AVCodecContext *enc;
1347 int frame_number, vid, i;
1348 double bitrate, ti1, pts;
1349 static int64_t last_time = -1;
1350 static int qp_histogram[52];
1351
1352 if (!is_last_report) {
1353 int64_t cur_time;
1354 /* display the report every 0.5 seconds */
1355 cur_time = av_gettime();
1356 if (last_time == -1) {
1357 last_time = cur_time;
1358 return;
1359 }
1360 if ((cur_time - last_time) < 500000)
1361 return;
1362 last_time = cur_time;
1363 }
1364
1365
1366 oc = output_files[0];
1367
1368 total_size = avio_size(oc->pb);
1369 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1370 total_size= avio_tell(oc->pb);
1371
1372 buf[0] = '\0';
1373 ti1 = 1e10;
1374 vid = 0;
1375 for(i=0;i<nb_ostreams;i++) {
1376 float q = -1;
1377 ost = ost_table[i];
1378 enc = ost->st->codec;
1379 if (!ost->st->stream_copy && enc->coded_frame)
1380 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1381 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1382 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1383 }
1384 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1385 float t = (av_gettime()-timer_start) / 1000000.0;
1386
1387 frame_number = ost->frame_number;
1388 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1389 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1390 if(is_last_report)
1391 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1392 if(qp_hist){
1393 int j;
1394 int qp = lrintf(q);
1395 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1396 qp_histogram[qp]++;
1397 for(j=0; j<32; j++)
1398 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1399 }
1400 if (enc->flags&CODEC_FLAG_PSNR){
1401 int j;
1402 double error, error_sum=0;
1403 double scale, scale_sum=0;
1404 char type[3]= {'Y','U','V'};
1405 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1406 for(j=0; j<3; j++){
1407 if(is_last_report){
1408 error= enc->error[j];
1409 scale= enc->width*enc->height*255.0*255.0*frame_number;
1410 }else{
1411 error= enc->coded_frame->error[j];
1412 scale= enc->width*enc->height*255.0*255.0;
1413 }
1414 if(j) scale/=4;
1415 error_sum += error;
1416 scale_sum += scale;
1417 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1418 }
1419 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1420 }
1421 vid = 1;
1422 }
1423 /* compute min output value */
1424 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1425 if ((pts < ti1) && (pts > 0))
1426 ti1 = pts;
1427 }
1428 if (ti1 < 0.01)
1429 ti1 = 0.01;
1430
1431 if (verbose > 0 || is_last_report) {
1432 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1433
1434 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1435 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1436 (double)total_size / 1024, ti1, bitrate);
1437
1438 if (nb_frames_dup || nb_frames_drop)
1439 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1440 nb_frames_dup, nb_frames_drop);
1441
1442 if (verbose >= 0)
1443 fprintf(stderr, "%s \r", buf);
1444
1445 fflush(stderr);
1446 }
1447
1448 if (is_last_report && verbose >= 0){
1449 int64_t raw= audio_size + video_size + extra_size;
1450 fprintf(stderr, "\n");
1451 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1452 video_size/1024.0,
1453 audio_size/1024.0,
1454 extra_size/1024.0,
1455 100.0*(total_size - raw)/raw
1456 );
1457 }
1458 }
1459
1460 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1461 {
1462 int fill_char = 0x00;
1463 if (sample_fmt == AV_SAMPLE_FMT_U8)
1464 fill_char = 0x80;
1465 memset(buf, fill_char, size);
1466 }
1467
1468 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1469 static int output_packet(InputStream *ist, int ist_index,
1470 OutputStream **ost_table, int nb_ostreams,
1471 const AVPacket *pkt)
1472 {
1473 AVFormatContext *os;
1474 OutputStream *ost;
1475 int ret, i;
1476 int got_output;
1477 AVFrame picture;
1478 void *buffer_to_free = NULL;
1479 static unsigned int samples_size= 0;
1480 AVSubtitle subtitle, *subtitle_to_free;
1481 int64_t pkt_pts = AV_NOPTS_VALUE;
1482 #if CONFIG_AVFILTER
1483 int frame_available;
1484 #endif
1485 float quality;
1486
1487 AVPacket avpkt;
1488 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1489
1490 if(ist->next_pts == AV_NOPTS_VALUE)
1491 ist->next_pts= ist->pts;
1492
1493 if (pkt == NULL) {
1494 /* EOF handling */
1495 av_init_packet(&avpkt);
1496 avpkt.data = NULL;
1497 avpkt.size = 0;
1498 goto handle_eof;
1499 } else {
1500 avpkt = *pkt;
1501 }
1502
1503 if(pkt->dts != AV_NOPTS_VALUE)
1504 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1505 if(pkt->pts != AV_NOPTS_VALUE)
1506 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1507
1508 //while we have more to decode or while the decoder did output something on EOF
1509 while (avpkt.size > 0 || (!pkt && got_output)) {
1510 uint8_t *data_buf, *decoded_data_buf;
1511 int data_size, decoded_data_size;
1512 handle_eof:
1513 ist->pts= ist->next_pts;
1514
1515 if(avpkt.size && avpkt.size != pkt->size &&
1516 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1517 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1518 ist->showed_multi_packet_warning=1;
1519 }
1520
1521 /* decode the packet if needed */
1522 decoded_data_buf = NULL; /* fail safe */
1523 decoded_data_size= 0;
1524 data_buf = avpkt.data;
1525 data_size = avpkt.size;
1526 subtitle_to_free = NULL;
1527 if (ist->decoding_needed) {
1528 switch(ist->st->codec->codec_type) {
1529 case AVMEDIA_TYPE_AUDIO:{
1530 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1531 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1532 av_free(samples);
1533 samples= av_malloc(samples_size);
1534 }
1535 decoded_data_size= samples_size;
1536 /* XXX: could avoid copy if PCM 16 bits with same
1537 endianness as CPU */
1538 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1539 &avpkt);
1540 if (ret < 0)
1541 return ret;
1542 avpkt.data += ret;
1543 avpkt.size -= ret;
1544 data_size = ret;
1545 got_output = decoded_data_size > 0;
1546 /* Some bug in mpeg audio decoder gives */
1547 /* decoded_data_size < 0, it seems they are overflows */
1548 if (!got_output) {
1549 /* no audio frame */
1550 continue;
1551 }
1552 decoded_data_buf = (uint8_t *)samples;
1553 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1554 (ist->st->codec->sample_rate * ist->st->codec->channels);
1555 break;}
1556 case AVMEDIA_TYPE_VIDEO:
1557 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1558 /* XXX: allocate picture correctly */
1559 avcodec_get_frame_defaults(&picture);
1560 avpkt.pts = pkt_pts;
1561 avpkt.dts = ist->pts;
1562 pkt_pts = AV_NOPTS_VALUE;
1563
1564 ret = avcodec_decode_video2(ist->st->codec,
1565 &picture, &got_output, &avpkt);
1566 quality = same_quality ? picture.quality : 0;
1567 if (ret < 0)
1568 return ret;
1569 if (!got_output) {
1570 /* no picture yet */
1571 goto discard_packet;
1572 }
1573 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1574 if (ist->st->codec->time_base.num != 0) {
1575 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1576 ist->next_pts += ((int64_t)AV_TIME_BASE *
1577 ist->st->codec->time_base.num * ticks) /
1578 ist->st->codec->time_base.den;
1579 }
1580 avpkt.size = 0;
1581 buffer_to_free = NULL;
1582 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1583 break;
1584 case AVMEDIA_TYPE_SUBTITLE:
1585 ret = avcodec_decode_subtitle2(ist->st->codec,
1586 &subtitle, &got_output, &avpkt);
1587 if (ret < 0)
1588 return ret;
1589 if (!got_output) {
1590 goto discard_packet;
1591 }
1592 subtitle_to_free = &subtitle;
1593 avpkt.size = 0;
1594 break;
1595 default:
1596 return -1;
1597 }
1598 } else {
1599 switch(ist->st->codec->codec_type) {
1600 case AVMEDIA_TYPE_AUDIO:
1601 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1602 ist->st->codec->sample_rate;
1603 break;
1604 case AVMEDIA_TYPE_VIDEO:
1605 if (ist->st->codec->time_base.num != 0) {
1606 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1607 ist->next_pts += ((int64_t)AV_TIME_BASE *
1608 ist->st->codec->time_base.num * ticks) /
1609 ist->st->codec->time_base.den;
1610 }
1611 break;
1612 }
1613 ret = avpkt.size;
1614 avpkt.size = 0;
1615 }
1616
1617 #if CONFIG_AVFILTER
1618 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1619 for (i = 0; i < nb_ostreams; i++) {
1620 ost = ost_table[i];
1621 if (ost->input_video_filter && ost->source_index == ist_index) {
1622 AVRational sar;
1623 if (ist->st->sample_aspect_ratio.num)
1624 sar = ist->st->sample_aspect_ratio;
1625 else
1626 sar = ist->st->codec->sample_aspect_ratio;
1627 // add it to be filtered
1628 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture,
1629 ist->pts,
1630 sar);
1631 }
1632 }
1633 }
1634 #endif
1635
1636 // preprocess audio (volume)
1637 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1638 if (audio_volume != 256) {
1639 short *volp;
1640 volp = samples;
1641 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1642 int v = ((*volp) * audio_volume + 128) >> 8;
1643 if (v < -32768) v = -32768;
1644 if (v > 32767) v = 32767;
1645 *volp++ = v;
1646 }
1647 }
1648 }
1649
1650 /* frame rate emulation */
1651 if (rate_emu) {
1652 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1653 int64_t now = av_gettime() - ist->start;
1654 if (pts > now)
1655 usleep(pts - now);
1656 }
1657 /* if output time reached then transcode raw format,
1658 encode packets and output them */
1659 if (start_time == 0 || ist->pts >= start_time)
1660 for(i=0;i<nb_ostreams;i++) {
1661 int frame_size;
1662
1663 ost = ost_table[i];
1664 if (ost->source_index == ist_index) {
1665 #if CONFIG_AVFILTER
1666 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1667 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1668 while (frame_available) {
1669 AVRational ist_pts_tb;
1670 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1671 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1672 if (ost->picref)
1673 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1674 #endif
1675 os = output_files[ost->file_index];
1676
1677 /* set the input output pts pairs */
1678 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1679
1680 if (ost->encoding_needed) {
1681 av_assert0(ist->decoding_needed);
1682 switch(ost->st->codec->codec_type) {
1683 case AVMEDIA_TYPE_AUDIO:
1684 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1685 break;
1686 case AVMEDIA_TYPE_VIDEO:
1687 #if CONFIG_AVFILTER
1688 if (ost->picref->video && !ost->frame_aspect_ratio)
1689 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1690 #endif
1691 do_video_out(os, ost, ist, &picture, &frame_size,
1692 same_quality ? quality : ost->st->codec->global_quality);
1693 if (vstats_filename && frame_size)
1694 do_video_stats(os, ost, frame_size);
1695 break;
1696 case AVMEDIA_TYPE_SUBTITLE:
1697 do_subtitle_out(os, ost, ist, &subtitle,
1698 pkt->pts);
1699 break;
1700 default:
1701 abort();
1702 }
1703 } else {
1704 AVFrame avframe; //FIXME/XXX remove this
1705 AVPacket opkt;
1706 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1707
1708 av_init_packet(&opkt);
1709
1710 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1711 #if !CONFIG_AVFILTER
1712 continue;
1713 #else
1714 goto cont;
1715 #endif
1716
1717 /* no reencoding needed : output the packet directly */
1718 /* force the input stream PTS */
1719
1720 avcodec_get_frame_defaults(&avframe);
1721 ost->st->codec->coded_frame= &avframe;
1722 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1723
1724 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1725 audio_size += data_size;
1726 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1727 video_size += data_size;
1728 ost->sync_opts++;
1729 }
1730
1731 opkt.stream_index= ost->index;
1732 if(pkt->pts != AV_NOPTS_VALUE)
1733 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1734 else
1735 opkt.pts= AV_NOPTS_VALUE;
1736
1737 if (pkt->dts == AV_NOPTS_VALUE)
1738 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1739 else
1740 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1741 opkt.dts -= ost_tb_start_time;
1742
1743 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1744 opkt.flags= pkt->flags;
1745
1746 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1747 if( ost->st->codec->codec_id != CODEC_ID_H264
1748 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1749 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1750 ) {
1751 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1752 opkt.destruct= av_destruct_packet;
1753 } else {
1754 opkt.data = data_buf;
1755 opkt.size = data_size;
1756 }
1757
1758 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1759 ost->st->codec->frame_number++;
1760 ost->frame_number++;
1761 av_free_packet(&opkt);
1762 }
1763 #if CONFIG_AVFILTER
1764 cont:
1765 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1766 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1767 if (ost->picref)
1768 avfilter_unref_buffer(ost->picref);
1769 }
1770 #endif
1771 }
1772 }
1773
1774 av_free(buffer_to_free);
1775 /* XXX: allocate the subtitles in the codec ? */
1776 if (subtitle_to_free) {
1777 avsubtitle_free(subtitle_to_free);
1778 subtitle_to_free = NULL;
1779 }
1780 }
1781 discard_packet:
1782 if (pkt == NULL) {
1783 /* EOF handling */
1784
1785 for(i=0;i<nb_ostreams;i++) {
1786 ost = ost_table[i];
1787 if (ost->source_index == ist_index) {
1788 AVCodecContext *enc= ost->st->codec;
1789 os = output_files[ost->file_index];
1790
1791 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1792 continue;
1793 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1794 continue;
1795
1796 if (ost->encoding_needed) {
1797 for(;;) {
1798 AVPacket pkt;
1799 int fifo_bytes;
1800 av_init_packet(&pkt);
1801 pkt.stream_index= ost->index;
1802
1803 switch(ost->st->codec->codec_type) {
1804 case AVMEDIA_TYPE_AUDIO:
1805 fifo_bytes = av_fifo_size(ost->fifo);
1806 ret = 0;
1807 /* encode any samples remaining in fifo */
1808 if (fifo_bytes > 0) {
1809 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1810 int fs_tmp = enc->frame_size;
1811
1812 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1813 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1814 enc->frame_size = fifo_bytes / (osize * enc->channels);
1815 } else { /* pad */
1816 int frame_bytes = enc->frame_size*osize*enc->channels;
1817 if (allocated_audio_buf_size < frame_bytes)
1818 exit_program(1);
1819 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1820 }
1821
1822 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1823 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1824 ost->st->time_base.num, enc->sample_rate);
1825 enc->frame_size = fs_tmp;
1826 }
1827 if(ret <= 0) {
1828 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1829 }
1830 if (ret < 0) {
1831 fprintf(stderr, "Audio encoding failed\n");
1832 exit_program(1);
1833 }
1834 audio_size += ret;
1835 pkt.flags |= AV_PKT_FLAG_KEY;
1836 break;
1837 case AVMEDIA_TYPE_VIDEO:
1838 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1839 if (ret < 0) {
1840 fprintf(stderr, "Video encoding failed\n");
1841 exit_program(1);
1842 }
1843 video_size += ret;
1844 if(enc->coded_frame && enc->coded_frame->key_frame)
1845 pkt.flags |= AV_PKT_FLAG_KEY;
1846 if (ost->logfile && enc->stats_out) {
1847 fprintf(ost->logfile, "%s", enc->stats_out);
1848 }
1849 break;
1850 default:
1851 ret=-1;
1852 }
1853
1854 if(ret<=0)
1855 break;
1856 pkt.data= bit_buffer;
1857 pkt.size= ret;
1858 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1859 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1860 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1861 }
1862 }
1863 }
1864 }
1865 }
1866
1867 return 0;
1868 }
1869
1870 static void print_sdp(AVFormatContext **avc, int n)
1871 {
1872 char sdp[2048];
1873
1874 av_sdp_create(avc, n, sdp, sizeof(sdp));
1875 printf("SDP:\n%s\n", sdp);
1876 fflush(stdout);
1877 }
1878
1879 static int copy_chapters(int infile, int outfile)
1880 {
1881 AVFormatContext *is = input_files[infile].ctx;
1882 AVFormatContext *os = output_files[outfile];
1883 int i;
1884
1885 for (i = 0; i < is->nb_chapters; i++) {
1886 AVChapter *in_ch = is->chapters[i], *out_ch;
1887 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
1888 AV_TIME_BASE_Q, in_ch->time_base);
1889 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1890 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1891
1892
1893 if (in_ch->end < ts_off)
1894 continue;
1895 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1896 break;
1897
1898 out_ch = av_mallocz(sizeof(AVChapter));
1899 if (!out_ch)
1900 return AVERROR(ENOMEM);
1901
1902 out_ch->id = in_ch->id;
1903 out_ch->time_base = in_ch->time_base;
1904 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1905 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1906
1907 if (metadata_chapters_autocopy)
1908 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1909
1910 os->nb_chapters++;
1911 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1912 if (!os->chapters)
1913 return AVERROR(ENOMEM);
1914 os->chapters[os->nb_chapters - 1] = out_ch;
1915 }
1916 return 0;
1917 }
1918
1919 static void parse_forced_key_frames(char *kf, OutputStream *ost,
1920 AVCodecContext *avctx)
1921 {
1922 char *p;
1923 int n = 1, i;
1924 int64_t t;
1925
1926 for (p = kf; *p; p++)
1927 if (*p == ',')
1928 n++;
1929 ost->forced_kf_count = n;
1930 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1931 if (!ost->forced_kf_pts) {
1932 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1933 exit_program(1);
1934 }
1935 for (i = 0; i < n; i++) {
1936 p = i ? strchr(p, ',') + 1 : kf;
1937 t = parse_time_or_die("force_key_frames", p, 1);
1938 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1939 }
1940 }
1941
1942 /*
1943 * The following code is the main loop of the file converter
1944 */
1945 static int transcode(AVFormatContext **output_files,
1946 int nb_output_files,
1947 InputFile *input_files,
1948 int nb_input_files)
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
1977 ost_table = av_mallocz(sizeof(OutputStream *) * nb_ostreams);
1978 if (!ost_table)
1979 goto fail;
1980 n = 0;
1981 for(k=0;k<nb_output_files;k++) {
1982 os = output_files[k];
1983 for (i = 0; i < os->nb_streams; i++, n++)
1984 ost_table[n] = output_streams_for_file[k][i];
1985 }
1986
1987 /* for each output stream, we compute the right encoding parameters */
1988 for(i=0;i<nb_ostreams;i++) {
1989 ost = ost_table[i];
1990 os = output_files[ost->file_index];
1991 ist = &input_streams[ost->source_index];
1992
1993 codec = ost->st->codec;
1994 icodec = ist->st->codec;
1995
1996 ost->st->disposition = ist->st->disposition;
1997 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1998 codec->chroma_sample_location = icodec->chroma_sample_location;
1999
2000 if (ost->st->stream_copy) {
2001 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2002
2003 if (extra_size > INT_MAX)
2004 goto fail;
2005
2006 /* if stream_copy is selected, no need to decode or encode */
2007 codec->codec_id = icodec->codec_id;
2008 codec->codec_type = icodec->codec_type;
2009
2010 if(!codec->codec_tag){
2011 if( !os->oformat->codec_tag
2012 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2013 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2014 codec->codec_tag = icodec->codec_tag;
2015 }
2016
2017 codec->bit_rate = icodec->bit_rate;
2018 codec->rc_max_rate = icodec->rc_max_rate;
2019 codec->rc_buffer_size = icodec->rc_buffer_size;
2020 codec->extradata= av_mallocz(extra_size);
2021 if (!codec->extradata)
2022 goto fail;
2023 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2024 codec->extradata_size= icodec->extradata_size;
2025 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){
2026 codec->time_base = icodec->time_base;
2027 codec->time_base.num *= icodec->ticks_per_frame;
2028 av_reduce(&codec->time_base.num, &codec->time_base.den,
2029 codec->time_base.num, codec->time_base.den, INT_MAX);
2030 }else
2031 codec->time_base = ist->st->time_base;
2032 switch(codec->codec_type) {
2033 case AVMEDIA_TYPE_AUDIO:
2034 if(audio_volume != 256) {
2035 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2036 exit_program(1);
2037 }
2038 codec->channel_layout = icodec->channel_layout;
2039 codec->sample_rate = icodec->sample_rate;
2040 codec->channels = icodec->channels;
2041 codec->frame_size = icodec->frame_size;
2042 codec->audio_service_type = icodec->audio_service_type;
2043 codec->block_align= icodec->block_align;
2044 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2045 codec->block_align= 0;
2046 if(codec->codec_id == CODEC_ID_AC3)
2047 codec->block_align= 0;
2048 break;
2049 case AVMEDIA_TYPE_VIDEO:
2050 codec->pix_fmt = icodec->pix_fmt;
2051 codec->width = icodec->width;
2052 codec->height = icodec->height;
2053 codec->has_b_frames = icodec->has_b_frames;
2054 if (!codec->sample_aspect_ratio.num) {
2055 codec->sample_aspect_ratio =
2056 ost->st->sample_aspect_ratio =
2057 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2058 ist->st->codec->sample_aspect_ratio.num ?
2059 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2060 }
2061 break;
2062 case AVMEDIA_TYPE_SUBTITLE:
2063 codec->width = icodec->width;
2064 codec->height = icodec->height;
2065 break;
2066 case AVMEDIA_TYPE_DATA:
2067 break;
2068 default:
2069 abort();
2070 }
2071 } else {
2072 if (!ost->enc)
2073 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2074 switch(codec->codec_type) {
2075 case AVMEDIA_TYPE_AUDIO:
2076 ost->fifo= av_fifo_alloc(1024);
2077 if(!ost->fifo)
2078 goto fail;
2079 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2080 if (!codec->sample_rate) {
2081 codec->sample_rate = icodec->sample_rate;
2082 if (icodec->lowres)
2083 codec->sample_rate >>= icodec->lowres;
2084 }
2085 choose_sample_rate(ost->st, ost->enc);
2086 codec->time_base = (AVRational){1, codec->sample_rate};
2087 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2088 codec->sample_fmt = icodec->sample_fmt;
2089 choose_sample_fmt(ost->st, ost->enc);
2090 if (!codec->channels)
2091 codec->channels = icodec->channels;
2092 codec->channel_layout = icodec->channel_layout;
2093 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2094 codec->channel_layout = 0;
2095 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2096 icodec->request_channels = codec->channels;
2097 ist->decoding_needed = 1;
2098 ost->encoding_needed = 1;
2099 ost->resample_sample_fmt = icodec->sample_fmt;
2100 ost->resample_sample_rate = icodec->sample_rate;
2101 ost->resample_channels = icodec->channels;
2102 break;
2103 case AVMEDIA_TYPE_VIDEO:
2104 if (codec->pix_fmt == PIX_FMT_NONE)
2105 codec->pix_fmt = icodec->pix_fmt;
2106 choose_pixel_fmt(ost->st, ost->enc);
2107
2108 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2109 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2110 exit_program(1);
2111 }
2112
2113 if (!codec->width || !codec->height) {
2114 codec->width = icodec->width;
2115 codec->height = icodec->height;
2116 }
2117
2118 ost->video_resample = codec->width != icodec->width ||
2119 codec->height != icodec->height ||
2120 codec->pix_fmt != icodec->pix_fmt;
2121 if (ost->video_resample) {
2122 #if !CONFIG_AVFILTER
2123 avcodec_get_frame_defaults(&ost->pict_tmp);
2124 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2125 codec->width, codec->height)) {
2126 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2127 exit_program(1);
2128 }
2129 ost->img_resample_ctx = sws_getContext(
2130 icodec->width,
2131 icodec->height,
2132 icodec->pix_fmt,
2133 codec->width,
2134 codec->height,
2135 codec->pix_fmt,
2136 ost->sws_flags, NULL, NULL, NULL);
2137 if (ost->img_resample_ctx == NULL) {
2138 fprintf(stderr, "Cannot get resampling context\n");
2139 exit_program(1);
2140 }
2141 #endif
2142 codec->bits_per_raw_sample= 0;
2143 }
2144
2145 ost->resample_height = icodec->height;
2146 ost->resample_width = icodec->width;
2147 ost->resample_pix_fmt= icodec->pix_fmt;
2148 ost->encoding_needed = 1;
2149 ist->decoding_needed = 1;
2150
2151 if (!ost->frame_rate.num)
2152 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2153 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2154 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2155 ost->frame_rate = ost->enc->supported_framerates[idx];
2156 }
2157 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2158
2159 #if CONFIG_AVFILTER
2160 if (configure_video_filters(ist, ost)) {
2161 fprintf(stderr, "Error opening filters!\n");
2162 exit(1);
2163 }
2164 #endif
2165 break;
2166 case AVMEDIA_TYPE_SUBTITLE:
2167 ost->encoding_needed = 1;
2168 ist->decoding_needed = 1;
2169 break;
2170 default:
2171 abort();
2172 break;
2173 }
2174 /* two pass mode */
2175 if (ost->encoding_needed &&
2176 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2177 char logfilename[1024];
2178 FILE *f;
2179
2180 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2181 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2182 i);
2183 if (codec->flags & CODEC_FLAG_PASS1) {
2184 f = fopen(logfilename, "wb");
2185 if (!f) {
2186 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2187 exit_program(1);
2188 }
2189 ost->logfile = f;
2190 } else {
2191 char *logbuffer;
2192 size_t logbuffer_size;
2193 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2194 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2195 exit_program(1);
2196 }
2197 codec->stats_in = logbuffer;
2198 }
2199 }
2200 }
2201 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2202 int size= codec->width * codec->height;
2203 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2204 }
2205 }
2206
2207 if (!bit_buffer)
2208 bit_buffer = av_malloc(bit_buffer_size);
2209 if (!bit_buffer) {
2210 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2211 bit_buffer_size);
2212 ret = AVERROR(ENOMEM);
2213 goto fail;
2214 }
2215
2216 /* open each encoder */
2217 for(i=0;i<nb_ostreams;i++) {
2218 ost = ost_table[i];
2219 if (ost->encoding_needed) {
2220 AVCodec *codec = ost->enc;
2221 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2222 if (!codec) {
2223 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2224 ost->st->codec->codec_id, ost->file_index, ost->index);
2225 ret = AVERROR(EINVAL);
2226 goto dump_format;
2227 }
2228 if (dec->subtitle_header) {
2229 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2230 if (!ost->st->codec->subtitle_header) {
2231 ret = AVERROR(ENOMEM);
2232 goto dump_format;
2233 }
2234 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2235 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2236 }
2237 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2238 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2239 ost->file_index, ost->index);
2240 ret = AVERROR(EINVAL);
2241 goto dump_format;
2242 }
2243 assert_codec_experimental(ost->st->codec, 1);
2244 assert_avoptions(ost->opts);
2245 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2246 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2247 "It takes bits/s as argument, not kbits/s\n");
2248 extra_size += ost->st->codec->extradata_size;
2249 }
2250 }
2251
2252 /* open each decoder */
2253 for (i = 0; i < nb_input_streams; i++) {
2254 ist = &input_streams[i];
2255 if (ist->decoding_needed) {
2256 AVCodec *codec = ist->dec;
2257 if (!codec)
2258 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2259 if (!codec) {
2260 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2261 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2262 ret = AVERROR(EINVAL);
2263 goto dump_format;
2264 }
2265
2266 /* update requested sample format for the decoder based on the
2267 corresponding encoder sample format */
2268 for (j = 0; j < nb_ostreams; j++) {
2269 ost = ost_table[j];
2270 if (ost->source_index == i) {
2271 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2272 break;
2273 }
2274 }
2275
2276 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2277 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2278 ist->file_index, ist->st->index);
2279 ret = AVERROR(EINVAL);
2280 goto dump_format;
2281 }
2282 assert_codec_experimental(ist->st->codec, 0);
2283 assert_avoptions(ost->opts);
2284 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2285 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2286 }
2287 }
2288
2289 /* init pts */
2290 for (i = 0; i < nb_input_streams; i++) {
2291 AVStream *st;
2292 ist = &input_streams[i];
2293 st= ist->st;
2294 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2295 ist->next_pts = AV_NOPTS_VALUE;
2296 init_pts_correction(&ist->pts_ctx);
2297 ist->is_start = 1;
2298 }
2299
2300 /* open files and write file headers */
2301 for(i=0;i<nb_output_files;i++) {
2302 os = output_files[i];
2303 if (avformat_write_header(os, &output_opts[i]) < 0) {
2304 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2305 ret = AVERROR(EINVAL);
2306 goto dump_format;
2307 }
2308 assert_avoptions(output_opts[i]);
2309 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2310 want_sdp = 0;
2311 }
2312 }
2313
2314 dump_format:
2315 /* dump the file output parameters - cannot be done before in case
2316 of stream copy */
2317 for(i=0;i<nb_output_files;i++) {
2318 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2319 }
2320
2321 /* dump the stream mapping */
2322 if (verbose >= 0) {
2323 fprintf(stderr, "Stream mapping:\n");
2324 for(i=0;i<nb_ostreams;i++) {
2325 ost = ost_table[i];
2326 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2327 input_streams[ost->source_index].file_index,
2328 input_streams[ost->source_index].st->index,
2329 ost->file_index,
2330 ost->index);
2331 if (ost->sync_ist != &input_streams[ost->source_index])
2332 fprintf(stderr, " [sync #%d.%d]",
2333 ost->sync_ist->file_index,
2334 ost->sync_ist->st->index);
2335 fprintf(stderr, "\n");
2336 }
2337 }
2338
2339 if (ret) {
2340 fprintf(stderr, "%s\n", error);
2341 goto fail;
2342 }
2343
2344 if (want_sdp) {
2345 print_sdp(output_files, nb_output_files);
2346 }
2347
2348 if (verbose >= 0)
2349 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2350 term_init();
2351
2352 timer_start = av_gettime();
2353
2354 for(; received_sigterm == 0;) {
2355 int file_index, ist_index;
2356 AVPacket pkt;
2357 double ipts_min;
2358 double opts_min;
2359
2360 redo:
2361 ipts_min= 1e100;
2362 opts_min= 1e100;
2363
2364 /* select the stream that we must read now by looking at the
2365 smallest output pts */
2366 file_index = -1;
2367 for(i=0;i<nb_ostreams;i++) {
2368 double ipts, opts;
2369 ost = ost_table[i];
2370 os = output_files[ost->file_index];
2371 ist = &input_streams[ost->source_index];
2372 if(ist->is_past_recording_time || no_packet[ist->file_index])
2373 continue;
2374 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2375 ipts = (double)ist->pts;
2376 if (!input_files[ist->file_index].eof_reached){
2377 if(ipts < ipts_min) {
2378 ipts_min = ipts;
2379 if(input_sync ) file_index = ist->file_index;
2380 }
2381 if(opts < opts_min) {
2382 opts_min = opts;
2383 if(!input_sync) file_index = ist->file_index;
2384 }
2385 }
2386 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2387 file_index= -1;
2388 break;
2389 }
2390 }
2391 /* if none, if is finished */
2392 if (file_index < 0) {
2393 if(no_packet_count){
2394 no_packet_count=0;
2395 memset(no_packet, 0, sizeof(no_packet));
2396 usleep(10000);
2397 continue;
2398 }
2399 break;
2400 }
2401
2402 /* finish if limit size exhausted */
2403 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2404 break;
2405
2406 /* read a frame from it and output it in the fifo */
2407 is = input_files[file_index].ctx;
2408 ret= av_read_frame(is, &pkt);
2409 if(ret == AVERROR(EAGAIN)){
2410 no_packet[file_index]=1;
2411 no_packet_count++;
2412 continue;
2413 }
2414 if (ret < 0) {
2415 input_files[file_index].eof_reached = 1;
2416 if (opt_shortest)
2417 break;
2418 else
2419 continue;
2420 }
2421
2422 no_packet_count=0;
2423 memset(no_packet, 0, sizeof(no_packet));
2424
2425 if (do_pkt_dump) {
2426 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2427 is->streams[pkt.stream_index]);
2428 }
2429 /* the following test is needed in case new streams appear
2430 dynamically in stream : we ignore them */
2431 if (pkt.stream_index >= input_files[file_index].ctx->nb_streams)
2432 goto discard_packet;
2433 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2434 ist = &input_streams[ist_index];
2435 if (ist->discard)
2436 goto discard_packet;
2437
2438 if (pkt.dts != AV_NOPTS_VALUE)
2439 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2440 if (pkt.pts != AV_NOPTS_VALUE)
2441 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2442
2443 if (ist->ts_scale) {
2444 if(pkt.pts != AV_NOPTS_VALUE)
2445 pkt.pts *= ist->ts_scale;
2446 if(pkt.dts != AV_NOPTS_VALUE)
2447 pkt.dts *= ist->ts_scale;
2448 }
2449
2450 // 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);
2451 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2452 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2453 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2454 int64_t delta= pkt_dts - ist->next_pts;
2455 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2456 input_files[ist->file_index].ts_offset -= delta;
2457 if (verbose > 2)
2458 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2459 delta, input_files[ist->file_index].ts_offset);
2460 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2461 if(pkt.pts != AV_NOPTS_VALUE)
2462 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2463 }
2464 }
2465
2466 /* finish if recording time exhausted */
2467 if (recording_time != INT64_MAX &&
2468 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2469 ist->is_past_recording_time = 1;
2470 goto discard_packet;
2471 }
2472
2473 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2474 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2475
2476 if (verbose >= 0)
2477 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2478 ist->file_index, ist->st->index);
2479 if (exit_on_error)
2480 exit_program(1);
2481 av_free_packet(&pkt);
2482 goto redo;
2483 }
2484
2485 discard_packet:
2486 av_free_packet(&pkt);
2487
2488 /* dump report by using the output first video and audio streams */
2489 print_report(output_files, ost_table, nb_ostreams, 0);
2490 }
2491
2492 /* at the end of stream, we must flush the decoder buffers */
2493 for (i = 0; i < nb_input_streams; i++) {
2494 ist = &input_streams[i];
2495 if (ist->decoding_needed) {
2496 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2497 }
2498 }
2499
2500 term_exit();
2501
2502 /* write the trailer if needed and close file */
2503 for(i=0;i<nb_output_files;i++) {
2504 os = output_files[i];
2505 av_write_trailer(os);
2506 }
2507
2508 /* dump report by using the first video and audio streams */
2509 print_report(output_files, ost_table, nb_ostreams, 1);
2510
2511 /* close each encoder */
2512 for(i=0;i<nb_ostreams;i++) {
2513 ost = ost_table[i];
2514 if (ost->encoding_needed) {
2515 av_freep(&ost->st->codec->stats_in);
2516 avcodec_close(ost->st->codec);
2517 }
2518 #if CONFIG_AVFILTER
2519 avfilter_graph_free(&ost->graph);
2520 #endif
2521 }
2522
2523 /* close each decoder */
2524 for (i = 0; i < nb_input_streams; i++) {
2525 ist = &input_streams[i];
2526 if (ist->decoding_needed) {
2527 avcodec_close(ist->st->codec);
2528 }
2529 }
2530
2531 /* finished ! */
2532 ret = 0;
2533
2534 fail:
2535 av_freep(&bit_buffer);
2536
2537 if (ost_table) {
2538 for(i=0;i<nb_ostreams;i++) {
2539 ost = ost_table[i];
2540 if (ost) {
2541 if (ost->st->stream_copy)
2542 av_freep(&ost->st->codec->extradata);
2543 if (ost->logfile) {
2544 fclose(ost->logfile);
2545 ost->logfile = NULL;
2546 }
2547 av_fifo_free(ost->fifo); /* works even if fifo is not
2548 initialized but set to zero */
2549 av_freep(&ost->st->codec->subtitle_header);
2550 av_free(ost->pict_tmp.data[0]);
2551 av_free(ost->forced_kf_pts);
2552 if (ost->video_resample)
2553 sws_freeContext(ost->img_resample_ctx);
2554 if (ost->resample)
2555 audio_resample_close(ost->resample);
2556 if (ost->reformat_ctx)
2557 av_audio_convert_free(ost->reformat_ctx);
2558 av_dict_free(&ost->opts);
2559 av_free(ost);
2560 }
2561 }
2562 av_free(ost_table);
2563 }
2564 return ret;
2565 }
2566
2567 static int opt_format(const char *opt, const char *arg)
2568 {
2569 last_asked_format = arg;
2570 return 0;
2571 }
2572
2573 static int opt_video_rc_override_string(const char *opt, const char *arg)
2574 {
2575 video_rc_override_string = arg;
2576 return 0;
2577 }
2578
2579 static int opt_me_threshold(const char *opt, const char *arg)
2580 {
2581 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2582 return 0;
2583 }
2584
2585 static int opt_verbose(const char *opt, const char *arg)
2586 {
2587 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2588 return 0;
2589 }
2590
2591 static int opt_frame_rate(const char *opt, const char *arg)
2592 {
2593 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2594 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2595 exit_program(1);
2596 }
2597 return 0;
2598 }
2599
2600 static int opt_frame_crop(const char *opt, const char *arg)
2601 {
2602 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2603 return AVERROR(EINVAL);
2604 }
2605
2606 static int opt_frame_size(const char *opt, const char *arg)
2607 {
2608 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2609 fprintf(stderr, "Incorrect frame size\n");
2610 return AVERROR(EINVAL);
2611 }
2612 return 0;
2613 }
2614
2615 static int opt_pad(const char *opt, const char *arg) {
2616 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2617 return -1;
2618 }
2619
2620 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2621 {
2622 if (strcmp(arg, "list")) {
2623 frame_pix_fmt = av_get_pix_fmt(arg);
2624 if (frame_pix_fmt == PIX_FMT_NONE) {
2625 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2626 return AVERROR(EINVAL);
2627 }
2628 } else {
2629 show_pix_fmts();
2630 exit_program(0);
2631 }
2632 return 0;
2633 }
2634
2635 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2636 {
2637 int x = 0, y = 0;
2638 double ar = 0;
2639 const char *p;
2640 char *end;
2641
2642 p = strchr(arg, ':');
2643 if (p) {
2644 x = strtol(arg, &end, 10);
2645 if (end == p)
2646 y = strtol(end+1, &end, 10);
2647 if (x > 0 && y > 0)
2648 ar = (double)x / (double)y;
2649 } else
2650 ar = strtod(arg, NULL);
2651
2652 if (!ar) {
2653 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2654 return AVERROR(EINVAL);
2655 }
2656 frame_aspect_ratio = ar;
2657 return 0;
2658 }
2659
2660 static int opt_metadata(const char *opt, const char *arg)
2661 {
2662 char *mid= strchr(arg, '=');
2663
2664 if(!mid){
2665 fprintf(stderr, "Missing =\n");
2666 exit_program(1);
2667 }
2668 *mid++= 0;
2669
2670 av_dict_set(&metadata, arg, mid, 0);
2671
2672 return 0;
2673 }
2674
2675 static int opt_qscale(const char *opt, const char *arg)
2676 {
2677 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2678 if (video_qscale == 0) {
2679 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2680 return AVERROR(EINVAL);
2681 }
2682 return 0;
2683 }
2684
2685 static int opt_top_field_first(const char *opt, const char *arg)
2686 {
2687 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2688 return 0;
2689 }
2690
2691 static int opt_thread_count(const char *opt, const char *arg)
2692 {
2693 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2694 #if !HAVE_THREADS
2695 if (verbose >= 0)
2696 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2697 #endif
2698 return 0;
2699 }
2700
2701 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2702 {
2703 if (strcmp(arg, "list")) {
2704 audio_sample_fmt = av_get_sample_fmt(arg);
2705 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2706 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2707 return AVERROR(EINVAL);
2708 }
2709 } else {
2710 int i;
2711 char fmt_str[128];
2712 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2713 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2714 exit_program(0);
2715 }
2716 return 0;
2717 }
2718
2719 static int opt_audio_rate(const char *opt, const char *arg)
2720 {
2721 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2722 return 0;
2723 }
2724
2725 static int opt_audio_channels(const char *opt, const char *arg)
2726 {
2727 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2728 return 0;
2729 }
2730
2731 static int opt_codec(int *pstream_copy, char **pcodec_name,
2732 int codec_type, const char *arg)
2733 {
2734 av_freep(pcodec_name);
2735 if (!strcmp(arg, "copy")) {
2736 *pstream_copy = 1;
2737 } else {
2738 *pcodec_name = av_strdup(arg);
2739 }
2740 return 0;
2741 }
2742
2743 static int opt_audio_codec(const char *opt, const char *arg)
2744 {
2745 return opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
2746 }
2747
2748 static int opt_video_codec(const char *opt, const char *arg)
2749 {
2750 return opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
2751 }
2752
2753 static int opt_subtitle_codec(const char *opt, const char *arg)
2754 {
2755 return opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
2756 }
2757
2758 static int opt_data_codec(const char *opt, const char *arg)
2759 {
2760 return opt_codec(&data_stream_copy, &data_codec_name, AVMEDIA_TYPE_DATA, arg);
2761 }
2762
2763 static int opt_codec_tag(const char *opt, const char *arg)
2764 {
2765 char *tail;
2766 uint32_t *codec_tag;
2767
2768 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2769 !strcmp(opt, "vtag") ? &video_codec_tag :
2770 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2771 if (!codec_tag)
2772 return -1;
2773
2774 *codec_tag = strtol(arg, &tail, 0);
2775 if (!tail || *tail)
2776 *codec_tag = AV_RL32(arg);
2777
2778 return 0;
2779 }
2780
2781 static int opt_map(const char *opt, const char *arg)
2782 {
2783 StreamMap *m;
2784 char *p;
2785
2786 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2787 m = &stream_maps[nb_stream_maps-1];
2788
2789 m->file_index = strtol(arg, &p, 0);
2790 if (*p)
2791 p++;
2792
2793 m->stream_index = strtol(p, &p, 0);
2794 if (*p) {
2795 p++;
2796 m->sync_file_index = strtol(p, &p, 0);
2797 if (*p)
2798 p++;
2799 m->sync_stream_index = strtol(p, &p, 0);
2800 } else {
2801 m->sync_file_index = m->file_index;
2802 m->sync_stream_index = m->stream_index;
2803 }
2804 return 0;
2805 }
2806
2807 static void parse_meta_type(char *arg, char *type, int *index)
2808 {
2809 if (*arg == ':') {
2810 *type = *(++arg);
2811 switch (*arg) {
2812 case 'g':
2813 break;
2814 case 's':
2815 case 'c':
2816 case 'p':
2817 if (*(++arg) == ':')
2818 *index = strtol(++arg, NULL, 0);
2819 break;
2820 default:
2821 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2822 exit_program(1);
2823 }
2824 } else
2825 *type = 'g';
2826 }
2827
2828 static int opt_map_metadata(const char *opt, const char *arg)
2829 {
2830 MetadataMap *m, *m1;
2831 char *p;
2832
2833 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2834 &nb_meta_data_maps, nb_meta_data_maps + 1);
2835
2836 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2837 m->file = strtol(arg, &p, 0);
2838 parse_meta_type(p, &m->type, &m->index);
2839
2840 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2841 if (p = strchr(opt, ':'))
2842 parse_meta_type(p, &m1->type, &m1->index);
2843 else
2844 m1->type = 'g';
2845
2846 if (m->type == 'g' || m1->type == 'g')
2847 metadata_global_autocopy = 0;
2848 if (m->type == 's' || m1->type == 's')
2849 metadata_streams_autocopy = 0;
2850 if (m->type == 'c' || m1->type == 'c')
2851 metadata_chapters_autocopy = 0;
2852
2853 return 0;
2854 }
2855
2856 static int opt_input_ts_scale(const char *opt, const char *arg)
2857 {
2858 unsigned int stream;
2859 double scale;
2860 char *p;
2861
2862 stream = strtol(arg, &p, 0);
2863 if (*p)
2864 p++;
2865 scale= strtod(p, &p);
2866
2867 ts_scale = grow_array(ts_scale, sizeof(*ts_scale), &nb_ts_scale, stream + 1);
2868 ts_scale[stream] = scale;
2869 return 0;
2870 }
2871
2872 static int opt_recording_time(const char *opt, const char *arg)
2873 {
2874 recording_time = parse_time_or_die(opt, arg, 1);
2875 return 0;
2876 }
2877
2878 static int opt_start_time(const char *opt, const char *arg)
2879 {
2880 start_time = parse_time_or_die(opt, arg, 1);
2881 return 0;
2882 }
2883
2884 static int opt_input_ts_offset(const char *opt, const char *arg)
2885 {
2886 input_ts_offset = parse_time_or_die(opt, arg, 1);
2887 return 0;
2888 }
2889
2890 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2891 {
2892 const char *codec_string = encoder ? "encoder" : "decoder";
2893 AVCodec *codec;
2894
2895 if(!name)
2896 return CODEC_ID_NONE;
2897 codec = encoder ?
2898 avcodec_find_encoder_by_name(name) :
2899 avcodec_find_decoder_by_name(name);
2900 if(!codec) {
2901 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2902 exit_program(1);
2903 }
2904 if(codec->type != type) {
2905 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2906 exit_program(1);
2907 }
2908 return codec->id;
2909 }
2910
2911 static int opt_input_file(const char *opt, const char *filename)
2912 {
2913 AVFormatContext *ic;
2914 AVInputFormat *file_iformat = NULL;
2915 int err, i, ret, rfps, rfps_base;
2916 int64_t timestamp;
2917 uint8_t buf[128];
2918 AVDictionary **opts;
2919 int orig_nb_streams; // number of streams before avformat_find_stream_info
2920
2921 if (last_asked_format) {
2922 if (!(file_iformat = av_find_input_format(last_asked_format))) {
2923 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
2924 exit_program(1);
2925 }
2926 last_asked_format = NULL;
2927 }
2928
2929 if (!strcmp(filename, "-"))
2930 filename = "pipe:";
2931
2932 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2933 !strcmp(filename, "/dev/stdin");
2934
2935 /* get default parameters from command line */
2936 ic = avformat_alloc_context();
2937 if (!ic) {
2938 print_error(filename, AVERROR(ENOMEM));
2939 exit_program(1);
2940 }
2941 if (audio_sample_rate) {
2942 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
2943 av_dict_set(&format_opts, "sample_rate", buf, 0);
2944 }
2945 if (audio_channels) {
2946 snprintf(buf, sizeof(buf), "%d", audio_channels);
2947 av_dict_set(&format_opts, "channels", buf, 0);
2948 }
2949 if (frame_rate.num) {
2950 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
2951 av_dict_set(&format_opts, "framerate", buf, 0);
2952 }
2953 if (frame_width && frame_height) {
2954 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
2955 av_dict_set(&format_opts, "video_size", buf, 0);
2956 }
2957 if (frame_pix_fmt != PIX_FMT_NONE)
2958 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
2959
2960 ic->video_codec_id =
2961 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0);
2962 ic->audio_codec_id =
2963 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0);
2964 ic->subtitle_codec_id=
2965 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0);
2966 ic->flags |= AVFMT_FLAG_NONBLOCK;
2967
2968 /* open the input file with generic libav function */
2969 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2970 if (err < 0) {
2971 print_error(filename, err);
2972 exit_program(1);
2973 }
2974 assert_avoptions(format_opts);
2975
2976 if(opt_programid) {
2977 int i, j;
2978 int found=0;
2979 for(i=0; i<ic->nb_streams; i++){
2980 ic->streams[i]->discard= AVDISCARD_ALL;
2981 }
2982 for(i=0; i<ic->nb_programs; i++){
2983 AVProgram *p= ic->programs[i];
2984 if(p->id != opt_programid){
2985 p->discard = AVDISCARD_ALL;
2986 }else{
2987 found=1;
2988 for(j=0; j<p->nb_stream_indexes; j++){
2989 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
2990 }
2991 }
2992 }
2993 if(!found){
2994 fprintf(stderr, "Specified program id not found\n");
2995 exit_program(1);
2996 }
2997 opt_programid=0;
2998 }
2999
3000 /* Set AVCodecContext options for avformat_find_stream_info */
3001 opts = setup_find_stream_info_opts(ic, codec_opts);
3002 orig_nb_streams = ic->nb_streams;
3003
3004 /* If not enough info to get the stream parameters, we decode the
3005 first frames to get it. (used in mpeg case for example) */
3006 ret = avformat_find_stream_info(ic, opts);
3007 if (ret < 0 && verbose >= 0) {
3008 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3009 av_close_input_file(ic);
3010 exit_program(1);
3011 }
3012
3013 timestamp = start_time;
3014 /* add the stream start time */
3015 if (ic->start_time != AV_NOPTS_VALUE)
3016 timestamp += ic->start_time;
3017
3018 /* if seeking requested, we execute it */
3019 if (start_time != 0) {
3020 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3021 if (ret < 0) {
3022 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3023 filename, (double)timestamp / AV_TIME_BASE);
3024 }
3025 /* reset seek info */
3026 start_time = 0;
3027 }
3028
3029 /* update the current parameters so that they match the one of the input stream */
3030 for(i=0;i<ic->nb_streams;i++) {
3031 AVStream *st = ic->streams[i];
3032 AVCodecContext *dec = st->codec;
3033 InputStream *ist;
3034
3035 dec->thread_count = thread_count;
3036
3037 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3038 ist = &input_streams[nb_input_streams - 1];
3039 ist->st = st;
3040 ist->file_index = nb_input_files;
3041 ist->discard = 1;
3042 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3043
3044 if (i < nb_ts_scale)
3045 ist->ts_scale = ts_scale[i];
3046
3047 switch (dec->codec_type) {
3048 case AVMEDIA_TYPE_AUDIO:
3049 ist->dec = avcodec_find_decoder_by_name(audio_codec_name);
3050 if(audio_disable)
3051 st->discard= AVDISCARD_ALL;
3052 break;
3053 case AVMEDIA_TYPE_VIDEO:
3054 ist->dec = avcodec_find_decoder_by_name(video_codec_name);
3055 rfps = ic->streams[i]->r_frame_rate.num;
3056 rfps_base = ic->streams[i]->r_frame_rate.den;
3057 if (dec->lowres) {
3058 dec->flags |= CODEC_FLAG_EMU_EDGE;
3059 dec->height >>= dec->lowres;
3060 dec->width >>= dec->lowres;
3061 }
3062 if(me_threshold)
3063 dec->debug |= FF_DEBUG_MV;
3064
3065 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3066
3067 if (verbose >= 0)
3068 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3069 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3070
3071 (float)rfps / rfps_base, rfps, rfps_base);
3072 }
3073
3074 if(video_disable)
3075 st->discard= AVDISCARD_ALL;
3076 else if(video_discard)
3077 st->discard= video_discard;
3078 break;
3079 case AVMEDIA_TYPE_DATA:
3080 break;
3081 case AVMEDIA_TYPE_SUBTITLE:
3082 ist->dec = avcodec_find_decoder_by_name(subtitle_codec_name);
3083 if(subtitle_disable)
3084 st->discard = AVDISCARD_ALL;
3085 break;
3086 case AVMEDIA_TYPE_ATTACHMENT:
3087 case AVMEDIA_TYPE_UNKNOWN:
3088 break;
3089 default:
3090 abort();
3091 }
3092 }
3093
3094 /* dump the file content */
3095 if (verbose >= 0)
3096 av_dump_format(ic, nb_input_files, filename, 0);
3097
3098 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3099 input_files[nb_input_files - 1].ctx = ic;
3100 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3101 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3102
3103 frame_rate = (AVRational){0, 0};
3104 frame_pix_fmt = PIX_FMT_NONE;
3105 frame_height = 0;
3106 frame_width = 0;
3107 audio_sample_rate = 0;
3108 audio_channels = 0;
3109 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3110 av_freep(&ts_scale);
3111 nb_ts_scale = 0;
3112
3113 for (i = 0; i < orig_nb_streams; i++)
3114 av_dict_free(&opts[i]);
3115 av_freep(&opts);
3116 av_freep(&video_codec_name);
3117 av_freep(&audio_codec_name);
3118 av_freep(&subtitle_codec_name);
3119 uninit_opts();
3120 init_opts();
3121 return 0;
3122 }
3123
3124 static OutputStream *new_video_stream(AVFormatContext *oc, int file_idx)
3125 {
3126 AVStream *st;
3127 OutputStream *ost;
3128 AVCodecContext *video_enc;
3129 enum CodecID codec_id = CODEC_ID_NONE;
3130 AVCodec *codec= NULL;
3131
3132 if(!video_stream_copy){
3133 if (video_codec_name) {
3134 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1);
3135 codec = avcodec_find_encoder_by_name(video_codec_name);
3136 } else {
3137 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3138 codec = avcodec_find_encoder(codec_id);
3139 }
3140 }
3141
3142 ost = new_output_stream(oc, file_idx, codec);
3143 st = ost->st;
3144 if (!video_stream_copy) {
3145 ost->frame_aspect_ratio = frame_aspect_ratio;
3146 frame_aspect_ratio = 0;
3147 #if CONFIG_AVFILTER
3148 ost->avfilter= vfilters;
3149 vfilters = NULL;
3150 #endif
3151 }
3152
3153 ost->bitstream_filters = video_bitstream_filters;
3154 video_bitstream_filters= NULL;
3155
3156 st->codec->thread_count= thread_count;
3157
3158 video_enc = st->codec;
3159
3160 if(video_codec_tag)
3161 video_enc->codec_tag= video_codec_tag;
3162
3163 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3164 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3165 }
3166
3167 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3168 if (video_stream_copy) {
3169 st->stream_copy = 1;
3170 video_enc->sample_aspect_ratio =
3171 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3172 } else {
3173 const char *p;
3174 int i;
3175
3176 if (frame_rate.num)
3177 ost->frame_rate = frame_rate;
3178 video_enc->codec_id = codec_id;
3179
3180 video_enc->width = frame_width;
3181 video_enc->height = frame_height;
3182 video_enc->pix_fmt = frame_pix_fmt;
3183 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3184
3185 if (intra_only)
3186 video_enc->gop_size = 0;
3187 if (video_qscale || same_quality) {
3188 video_enc->flags |= CODEC_FLAG_QSCALE;
3189 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3190 }
3191
3192 if(intra_matrix)
3193 video_enc->intra_matrix = intra_matrix;
3194 if(inter_matrix)
3195 video_enc->inter_matrix = inter_matrix;
3196
3197 p= video_rc_override_string;
3198 for(i=0; p; i++){
3199 int start, end, q;
3200 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3201 if(e!=3){
3202 fprintf(stderr, "error parsing rc_override\n");
3203 exit_program(1);
3204 }
3205 video_enc->rc_override=
3206 av_realloc(video_enc->rc_override,
3207 sizeof(RcOverride)*(i+1));
3208 video_enc->rc_override[i].start_frame= start;
3209 video_enc->rc_override[i].end_frame = end;
3210 if(q>0){
3211 video_enc->rc_override[i].qscale= q;
3212 video_enc->rc_override[i].quality_factor= 1.0;
3213 }
3214 else{
3215 video_enc->rc_override[i].qscale= 0;
3216 video_enc->rc_override[i].quality_factor= -q/100.0;
3217 }
3218 p= strchr(p, '/');
3219 if(p) p++;
3220 }
3221 video_enc->rc_override_count=i;
3222 if (!video_enc->rc_initial_buffer_occupancy)
3223 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3224 video_enc->me_threshold= me_threshold;
3225 video_enc->intra_dc_precision= intra_dc_precision - 8;
3226
3227 if (do_psnr)
3228 video_enc->flags|= CODEC_FLAG_PSNR;
3229
3230 /* two pass mode */
3231 if (do_pass) {
3232 if (do_pass == 1) {
3233 video_enc->flags |= CODEC_FLAG_PASS1;
3234 } else {
3235 video_enc->flags |= CODEC_FLAG_PASS2;
3236 }
3237 }
3238
3239 if (forced_key_frames)
3240 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3241 }
3242 if (video_language) {
3243 av_dict_set(&st->metadata, "language", video_language, 0);
3244 av_freep(&video_language);
3245 }
3246
3247 /* reset some key parameters */
3248 video_disable = 0;
3249 av_freep(&video_codec_name);
3250 av_freep(&forced_key_frames);
3251 video_stream_copy = 0;
3252 frame_pix_fmt = PIX_FMT_NONE;
3253 return ost;
3254 }
3255
3256 static OutputStream *new_audio_stream(AVFormatContext *oc, int file_idx)
3257 {
3258 AVStream *st;
3259 OutputStream *ost;
3260 AVCodec *codec= NULL;
3261 AVCodecContext *audio_enc;
3262 enum CodecID codec_id = CODEC_ID_NONE;
3263
3264 if(!audio_stream_copy){
3265 if (audio_codec_name) {
3266 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1);
3267 codec = avcodec_find_encoder_by_name(audio_codec_name);
3268 } else {
3269 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3270 codec = avcodec_find_encoder(codec_id);
3271 }
3272 }
3273 ost = new_output_stream(oc, file_idx, codec);
3274 st = ost->st;
3275
3276 ost->bitstream_filters = audio_bitstream_filters;
3277 audio_bitstream_filters= NULL;
3278
3279 st->codec->thread_count= thread_count;
3280
3281 audio_enc = st->codec;
3282 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3283
3284 if(audio_codec_tag)
3285 audio_enc->codec_tag= audio_codec_tag;
3286
3287 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3288 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3289 }
3290 if (audio_stream_copy) {
3291 st->stream_copy = 1;
3292 } else {
3293 audio_enc->codec_id = codec_id;
3294
3295 if (audio_qscale > QSCALE_NONE) {
3296 audio_enc->flags |= CODEC_FLAG_QSCALE;
3297 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3298 }
3299 if (audio_channels)
3300 audio_enc->channels = audio_channels;
3301 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3302 audio_enc->sample_fmt = audio_sample_fmt;
3303 if (audio_sample_rate)
3304 audio_enc->sample_rate = audio_sample_rate;
3305 }
3306 if (audio_language) {
3307 av_dict_set(&st->metadata, "language", audio_language, 0);
3308 av_freep(&audio_language);
3309 }
3310
3311 /* reset some key parameters */
3312 audio_disable = 0;
3313 av_freep(&audio_codec_name);
3314 audio_stream_copy = 0;
3315
3316 return ost;
3317 }
3318
3319 static OutputStream *new_data_stream(AVFormatContext *oc, int file_idx)
3320 {
3321 AVStream *st;
3322 OutputStream *ost;
3323 AVCodecContext *data_enc;
3324
3325 ost = new_output_stream(oc, file_idx, NULL);
3326 st = ost->st;
3327 data_enc = st->codec;
3328 if (!data_stream_copy) {
3329 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3330 exit_program(1);
3331 }
3332
3333 data_enc->codec_type = AVMEDIA_TYPE_DATA;
3334
3335 if (data_codec_tag)
3336 data_enc->codec_tag= data_codec_tag;
3337
3338 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3339 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3340 }
3341 if (data_stream_copy) {
3342 st->stream_copy = 1;
3343 }
3344
3345 data_disable = 0;
3346 av_freep(&data_codec_name);
3347 data_stream_copy = 0;
3348 return ost;
3349 }
3350
3351 static OutputStream *new_subtitle_stream(AVFormatContext *oc, int file_idx)
3352 {
3353 AVStream *st;
3354 OutputStream *ost;
3355 AVCodec *codec=NULL;
3356 AVCodecContext *subtitle_enc;
3357 enum CodecID codec_id = CODEC_ID_NONE;
3358
3359 if(!subtitle_stream_copy){
3360 if (subtitle_codec_name) {
3361 codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1);
3362 codec = avcodec_find_encoder_by_name(subtitle_codec_name);
3363 } else {
3364 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE);
3365 codec = avcodec_find_encoder(codec_id);
3366 }
3367 }
3368 ost = new_output_stream(oc, file_idx, codec);
3369 st = ost->st;
3370 subtitle_enc = st->codec;
3371
3372 ost->bitstream_filters = subtitle_bitstream_filters;
3373 subtitle_bitstream_filters= NULL;
3374
3375 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3376
3377 if(subtitle_codec_tag)
3378 subtitle_enc->codec_tag= subtitle_codec_tag;
3379
3380 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3381 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3382 }
3383 if (subtitle_stream_copy) {
3384 st->stream_copy = 1;
3385 } else {
3386 subtitle_enc->codec_id = codec_id;
3387 }
3388
3389 if (subtitle_language) {
3390 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3391 av_freep(&subtitle_language);
3392 }
3393
3394 subtitle_disable = 0;
3395 av_freep(&subtitle_codec_name);
3396 subtitle_stream_copy = 0;
3397 return ost;
3398 }
3399
3400 /* arg format is "output-stream-index:streamid-value". */
3401 static int opt_streamid(const char *opt, const char *arg)
3402 {
3403 int idx;
3404 char *p;
3405 char idx_str[16];
3406
3407 av_strlcpy(idx_str, arg, sizeof(idx_str));
3408 p = strchr(idx_str, ':');
3409 if (!p) {
3410 fprintf(stderr,
3411 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3412 arg, opt);
3413 exit_program(1);
3414 }
3415 *p++ = '\0';
3416 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3417 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3418 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3419 return 0;
3420 }
3421
3422 static void opt_output_file(const char *filename)
3423 {
3424 AVFormatContext *oc;
3425 int i, err;
3426 AVOutputFormat *file_oformat;
3427 OutputStream *ost;
3428 InputStream *ist;
3429
3430 if (!strcmp(filename, "-"))
3431 filename = "pipe:";
3432
3433 oc = avformat_alloc_context();
3434 if (!oc) {
3435 print_error(filename, AVERROR(ENOMEM));
3436 exit_program(1);
3437 }
3438
3439 if (last_asked_format) {
3440 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3441 if (!file_oformat) {
3442 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3443 exit_program(1);
3444 }
3445 last_asked_format = NULL;
3446 } else {
3447 file_oformat = av_guess_format(NULL, filename, NULL);
3448 if (!file_oformat) {
3449 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3450 filename);
3451 exit_program(1);
3452 }
3453 }
3454
3455 oc->oformat = file_oformat;
3456 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3457
3458 if (!strcmp(file_oformat->name, "ffm") &&
3459 av_strstart(filename, "http:", NULL)) {
3460 /* special case for files sent to avserver: we get the stream
3461 parameters from avserver */
3462 int err = read_avserver_streams(oc, filename);
3463 if (err < 0) {
3464 print_error(filename, err);
3465 exit_program(1);
3466 }
3467 } else if (!nb_stream_maps) {
3468 /* pick the "best" stream of each type */
3469 #define NEW_STREAM(type, index)\
3470 if (index >= 0) {\
3471 ost = new_ ## type ## _stream(oc, nb_output_files);\
3472 ost->source_index = index;\
3473 ost->sync_ist = &input_streams[index];\
3474 input_streams[index].discard = 0;\
3475 }
3476
3477 /* video: highest resolution */
3478 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3479 int area = 0, idx = -1;
3480 for (i = 0; i < nb_input_streams; i++) {
3481 ist = &input_streams[i];
3482 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3483 ist->st->codec->width * ist->st->codec->height > area) {
3484 area = ist->st->codec->width * ist->st->codec->height;
3485 idx = i;
3486 }
3487 }
3488 NEW_STREAM(video, idx);
3489 }
3490
3491 /* audio: most channels */
3492 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3493 int channels = 0, idx = -1;
3494 for (i = 0; i < nb_input_streams; i++) {
3495 ist = &input_streams[i];
3496 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3497 ist->st->codec->channels > channels) {
3498 channels = ist->st->codec->channels;
3499 idx = i;
3500 }
3501 }
3502 NEW_STREAM(audio, idx);
3503 }
3504
3505 /* subtitles: pick first */
3506 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3507 for (i = 0; i < nb_input_streams; i++)
3508 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3509 NEW_STREAM(subtitle, i);
3510 break;
3511 }
3512 }
3513 /* do something with data? */
3514 } else {
3515 for (i = 0; i < nb_stream_maps; i++) {
3516 StreamMap *map = &stream_maps[i];
3517 int fi = map->file_index;
3518 int si = map->stream_index;
3519
3520 if (fi < 0 || fi >= nb_input_files ||
3521 si < 0 || si >= input_files[fi].ctx->nb_streams) {
3522 av_log(NULL, AV_LOG_ERROR, "Input stream #%d.%d does not exist.\n", fi, si);
3523 exit_program(1);
3524 }
3525 fi = map->sync_file_index;
3526 si = map->sync_stream_index;
3527 if (fi < 0 || fi >= nb_input_files ||
3528 si < 0 || si >= input_files[fi].ctx->nb_streams) {
3529 av_log(NULL, AV_LOG_ERROR, "Sync stream #%d.%d does not exist.\n", fi, si);
3530 exit_program(1);
3531 }
3532
3533 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3534 switch (ist->st->codec->codec_type) {
3535 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc, nb_output_files); break;
3536 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc, nb_output_files); break;
3537 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc, nb_output_files); break;
3538 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc, nb_output_files); break;
3539 default:
3540 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3541 map->file_index, map->stream_index);
3542 exit_program(1);
3543 }
3544
3545 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3546 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3547 map->sync_stream_index];
3548 ist->discard = 0;
3549 }
3550 }
3551
3552 av_dict_copy(&oc->metadata, metadata, 0);
3553 av_dict_free(&metadata);
3554
3555 av_dict_copy(&output_opts[nb_output_files], format_opts, 0);
3556 output_files[nb_output_files++] = oc;
3557
3558 /* check filename in case of an image number is expected */
3559 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3560 if (!av_filename_number_test(oc->filename)) {
3561 print_error(oc->filename, AVERROR(EINVAL));
3562 exit_program(1);
3563 }
3564 }
3565
3566 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3567 /* test if it already exists to avoid loosing precious files */
3568 if (!file_overwrite &&
3569 (strchr(filename, ':') == NULL ||
3570 filename[1] == ':' ||
3571 av_strstart(filename, "file:", NULL))) {
3572 if (avio_check(filename, 0) == 0) {
3573 if (!using_stdin) {
3574 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3575 fflush(stderr);
3576 if (!read_yesno()) {
3577 fprintf(stderr, "Not overwriting - exiting\n");
3578 exit_program(1);
3579 }
3580 }
3581 else {
3582 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3583 exit_program(1);
3584 }
3585 }
3586 }
3587
3588 /* open the file */
3589 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3590 print_error(filename, err);
3591 exit_program(1);
3592 }
3593 }
3594
3595 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3596 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3597 oc->flags |= AVFMT_FLAG_NONBLOCK;
3598
3599 /* copy chapters */
3600 if (chapters_input_file >= nb_input_files) {
3601 if (chapters_input_file == INT_MAX) {
3602 /* copy chapters from the first input file that has them*/
3603 chapters_input_file = -1;
3604 for (i = 0; i < nb_input_files; i++)
3605 if (input_files[i].ctx->nb_chapters) {
3606 chapters_input_file = i;
3607 break;
3608 }
3609 } else {
3610 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3611 chapters_input_file);
3612 exit_program(1);
3613 }
3614 }
3615 if (chapters_input_file >= 0)
3616 copy_chapters(chapters_input_file, nb_output_files - 1);
3617
3618 /* copy metadata */
3619 for (i = 0; i < nb_meta_data_maps; i++) {
3620 AVFormatContext *files[2];
3621 AVDictionary **meta[2];
3622 int j;
3623
3624 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3625 if ((index) < 0 || (index) >= (nb_elems)) {\
3626 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3627 (desc), (index));\
3628 exit_program(1);\
3629 }
3630
3631 int in_file_index = meta_data_maps[i][1].file;
3632 if (in_file_index < 0)
3633 continue;
3634 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3635
3636 files[0] = oc;
3637 files[1] = input_files[in_file_index].ctx;
3638
3639 for (j = 0; j < 2; j++) {
3640 MetadataMap *map = &meta_data_maps[i][j];
3641
3642 switch (map->type) {
3643 case 'g':
3644 meta[j] = &files[j]->metadata;
3645 break;
3646 case 's':
3647 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3648 meta[j] = &files[j]->streams[map->index]->metadata;
3649 break;
3650 case 'c':
3651 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3652 meta[j] = &files[j]->chapters[map->index]->metadata;
3653 break;
3654 case 'p':
3655 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3656 meta[j] = &files[j]->programs[map->index]->metadata;
3657 break;
3658 }
3659 }
3660
3661 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3662 }
3663
3664 /* copy global metadata by default */
3665 if (metadata_global_autocopy)
3666 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3667 AV_DICT_DONT_OVERWRITE);