86b73b2370408fb8d2973f24e925e6a94c75e973
[libav.git] / ffmpeg.c
1 /*
2 * ffmpeg main
3 * Copyright (c) 2000-2003 Fabrice Bellard
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[] = "ffmpeg";
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 typedef struct ChapterMap {
98 int in_file;
99 int out_file;
100 } ChapterMap;
101
102 static const OptionDef options[];
103
104 #define MAX_FILES 100
105
106 static const char *last_asked_format = NULL;
107 static double *ts_scale;
108 static int nb_ts_scale;
109
110 static AVFormatContext *output_files[MAX_FILES];
111 static AVDictionary *output_opts[MAX_FILES];
112 static int nb_output_files = 0;
113
114 static StreamMap *stream_maps = NULL;
115 static int nb_stream_maps;
116
117 /* first item specifies output metadata, second is input */
118 static MetadataMap (*meta_data_maps)[2] = NULL;
119 static int nb_meta_data_maps;
120 static int metadata_global_autocopy = 1;
121 static int metadata_streams_autocopy = 1;
122 static int metadata_chapters_autocopy = 1;
123
124 static ChapterMap *chapter_maps = NULL;
125 static int nb_chapter_maps;
126
127 /* indexed by output file stream index */
128 static int *streamid_map = NULL;
129 static int nb_streamid_map = 0;
130
131 static int frame_width = 0;
132 static int frame_height = 0;
133 static float frame_aspect_ratio = 0;
134 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
135 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
136 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
137 static AVRational frame_rate;
138 static float video_qscale = 0;
139 static uint16_t *intra_matrix = NULL;
140 static uint16_t *inter_matrix = NULL;
141 static const char *video_rc_override_string=NULL;
142 static int video_disable = 0;
143 static int video_discard = 0;
144 static char *video_codec_name = NULL;
145 static unsigned int video_codec_tag = 0;
146 static char *video_language = NULL;
147 static int same_quality = 0;
148 static int do_deinterlace = 0;
149 static int top_field_first = -1;
150 static int me_threshold = 0;
151 static int intra_dc_precision = 8;
152 static int loop_input = 0;
153 static int loop_output = AVFMT_NOOUTPUTLOOP;
154 static int qp_hist = 0;
155 #if CONFIG_AVFILTER
156 static char *vfilters = NULL;
157 #endif
158
159 static int intra_only = 0;
160 static int audio_sample_rate = 0;
161 #define QSCALE_NONE -99999
162 static float audio_qscale = QSCALE_NONE;
163 static int audio_disable = 0;
164 static int audio_channels = 0;
165 static char *audio_codec_name = NULL;
166 static unsigned int audio_codec_tag = 0;
167 static char *audio_language = NULL;
168
169 static int subtitle_disable = 0;
170 static char *subtitle_codec_name = NULL;
171 static char *subtitle_language = NULL;
172 static unsigned int subtitle_codec_tag = 0;
173
174 static int data_disable = 0;
175 static char *data_codec_name = NULL;
176 static unsigned int data_codec_tag = 0;
177
178 static float mux_preload= 0.5;
179 static float mux_max_delay= 0.7;
180
181 static int64_t recording_time = INT64_MAX;
182 static int64_t start_time = 0;
183 static int64_t input_ts_offset = 0;
184 static int file_overwrite = 0;
185 static AVDictionary *metadata;
186 static int do_benchmark = 0;
187 static int do_hex_dump = 0;
188 static int do_pkt_dump = 0;
189 static int do_psnr = 0;
190 static int do_pass = 0;
191 static char *pass_logfilename_prefix = NULL;
192 static int audio_stream_copy = 0;
193 static int video_stream_copy = 0;
194 static int subtitle_stream_copy = 0;
195 static int data_stream_copy = 0;
196 static int video_sync_method= -1;
197 static int audio_sync_method= 0;
198 static float audio_drift_threshold= 0.1;
199 static int copy_ts= 0;
200 static int copy_tb;
201 static int opt_shortest = 0;
202 static char *vstats_filename;
203 static FILE *vstats_file;
204 static int opt_programid = 0;
205 static int copy_initial_nonkeyframes = 0;
206
207 static int rate_emu = 0;
208
209 static int audio_volume = 256;
210
211 static int exit_on_error = 0;
212 static int using_stdin = 0;
213 static int verbose = 1;
214 static int thread_count= 1;
215 static int64_t video_size = 0;
216 static int64_t audio_size = 0;
217 static int64_t extra_size = 0;
218 static int nb_frames_dup = 0;
219 static int nb_frames_drop = 0;
220 static int input_sync;
221 static uint64_t limit_filesize = 0;
222 static int force_fps = 0;
223 static char *forced_key_frames = NULL;
224
225 static float dts_delta_threshold = 10;
226
227 static int64_t timer_start;
228
229 static uint8_t *audio_buf;
230 static uint8_t *audio_out;
231 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
232
233 static short *samples;
234
235 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
236 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
237 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
238
239 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
240
241 struct InputStream;
242
243 typedef struct OutputStream {
244 int file_index; /* file index */
245 int index; /* stream index in the output file */
246 int source_index; /* InputStream index */
247 AVStream *st; /* stream in the output file */
248 int encoding_needed; /* true if encoding needed for this stream */
249 int frame_number;
250 /* input pts and corresponding output pts
251 for A/V sync */
252 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
253 struct InputStream *sync_ist; /* input stream to sync against */
254 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
255 AVBitStreamFilterContext *bitstream_filters;
256 AVCodec *enc;
257
258 /* video only */
259 int video_resample;
260 AVFrame pict_tmp; /* temporary image for resampling */
261 struct SwsContext *img_resample_ctx; /* for image resampling */
262 int resample_height;
263 int resample_width;
264 int resample_pix_fmt;
265 AVRational frame_rate;
266
267 float frame_aspect_ratio;
268
269 /* forced key frames */
270 int64_t *forced_kf_pts;
271 int forced_kf_count;
272 int forced_kf_index;
273
274 /* audio only */
275 int audio_resample;
276 ReSampleContext *resample; /* for audio resampling */
277 int resample_sample_fmt;
278 int resample_channels;
279 int resample_sample_rate;
280 int reformat_pair;
281 AVAudioConvert *reformat_ctx;
282 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
283 FILE *logfile;
284
285 #if CONFIG_AVFILTER
286 AVFilterContext *output_video_filter;
287 AVFilterContext *input_video_filter;
288 AVFilterBufferRef *picref;
289 char *avfilter;
290 AVFilterGraph *graph;
291 #endif
292
293 int sws_flags;
294 AVDictionary *opts;
295 } OutputStream;
296
297 static OutputStream **output_streams_for_file[MAX_FILES] = { NULL };
298 static int nb_output_streams_for_file[MAX_FILES] = { 0 };
299
300 typedef struct InputStream {
301 int file_index;
302 AVStream *st;
303 int discard; /* true if stream data should be discarded */
304 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
305 AVCodec *dec;
306
307 int64_t start; /* time when read started */
308 int64_t next_pts; /* synthetic pts for cases where pkt.pts
309 is not defined */
310 int64_t pts; /* current pts */
311 PtsCorrectionContext pts_ctx;
312 double ts_scale;
313 int is_start; /* is 1 at the start and after a discontinuity */
314 int showed_multi_packet_warning;
315 int is_past_recording_time;
316 AVDictionary *opts;
317 } InputStream;
318
319 typedef struct InputFile {
320 AVFormatContext *ctx;
321 int eof_reached; /* true if eof reached */
322 int ist_index; /* index of first stream in ist_table */
323 int buffer_size; /* current total buffer size */
324 int64_t ts_offset;
325 int nb_streams; /* nb streams we are aware of */
326 } InputFile;
327
328 static InputStream *input_streams = NULL;
329 static int nb_input_streams = 0;
330 static InputFile *input_files = NULL;
331 static int nb_input_files = 0;
332
333 #if CONFIG_AVFILTER
334
335 static int configure_video_filters(InputStream *ist, OutputStream *ost)
336 {
337 AVFilterContext *last_filter, *filter;
338 /** filter graph containing all filters including input & output */
339 AVCodecContext *codec = ost->st->codec;
340 AVCodecContext *icodec = ist->st->codec;
341 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
342 AVRational sample_aspect_ratio;
343 char args[255];
344 int ret;
345
346 ost->graph = avfilter_graph_alloc();
347
348 if (ist->st->sample_aspect_ratio.num){
349 sample_aspect_ratio = ist->st->sample_aspect_ratio;
350 }else
351 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
352
353 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
354 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
355 sample_aspect_ratio.num, sample_aspect_ratio.den);
356
357 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
358 "src", args, NULL, ost->graph);
359 if (ret < 0)
360 return ret;
361 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
362 "out", NULL, &ffsink_ctx, ost->graph);
363 if (ret < 0)
364 return ret;
365 last_filter = ost->input_video_filter;
366
367 if (codec->width != icodec->width || codec->height != icodec->height) {
368 snprintf(args, 255, "%d:%d:flags=0x%X",
369 codec->width,
370 codec->height,
371 ost->sws_flags);
372 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
373 NULL, args, NULL, ost->graph)) < 0)
374 return ret;
375 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
376 return ret;
377 last_filter = filter;
378 }
379
380 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
381 ost->graph->scale_sws_opts = av_strdup(args);
382
383 if (ost->avfilter) {
384 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
385 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
386
387 outputs->name = av_strdup("in");
388 outputs->filter_ctx = last_filter;
389 outputs->pad_idx = 0;
390 outputs->next = NULL;
391
392 inputs->name = av_strdup("out");
393 inputs->filter_ctx = ost->output_video_filter;
394 inputs->pad_idx = 0;
395 inputs->next = NULL;
396
397 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
398 return ret;
399 av_freep(&ost->avfilter);
400 } else {
401 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
402 return ret;
403 }
404
405 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
406 return ret;
407
408 codec->width = ost->output_video_filter->inputs[0]->w;
409 codec->height = ost->output_video_filter->inputs[0]->h;
410 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
411 ost->frame_aspect_ratio ? // overriden by the -aspect cli option
412 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
413 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
414
415 return 0;
416 }
417 #endif /* CONFIG_AVFILTER */
418
419 static void term_exit(void)
420 {
421 av_log(NULL, AV_LOG_QUIET, "");
422 }
423
424 static volatile int received_sigterm = 0;
425 static volatile int received_nb_signals = 0;
426
427 static void
428 sigterm_handler(int sig)
429 {
430 received_sigterm = sig;
431 received_nb_signals++;
432 term_exit();
433 }
434
435 static void term_init(void)
436 {
437 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
438 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
439 #ifdef SIGXCPU
440 signal(SIGXCPU, sigterm_handler);
441 #endif
442 }
443
444 static int decode_interrupt_cb(void)
445 {
446 return received_nb_signals > 1;
447 }
448
449 void exit_program(int ret)
450 {
451 int i;
452
453 /* close files */
454 for(i=0;i<nb_output_files;i++) {
455 AVFormatContext *s = output_files[i];
456 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
457 avio_close(s->pb);
458 avformat_free_context(s);
459 av_free(output_streams_for_file[i]);
460 av_dict_free(&output_opts[i]);
461 }
462 for(i=0;i<nb_input_files;i++) {
463 av_close_input_file(input_files[i].ctx);
464 }
465 for (i = 0; i < nb_input_streams; i++)
466 av_dict_free(&input_streams[i].opts);
467
468 av_free(intra_matrix);
469 av_free(inter_matrix);
470
471 if (vstats_file)
472 fclose(vstats_file);
473 av_free(vstats_filename);
474
475 av_free(streamid_map);
476 av_free(stream_maps);
477 av_free(meta_data_maps);
478
479 av_freep(&input_streams);
480 av_freep(&input_files);
481
482 av_free(video_codec_name);
483 av_free(audio_codec_name);
484 av_free(subtitle_codec_name);
485 av_free(data_codec_name);
486
487 uninit_opts();
488 av_free(audio_buf);
489 av_free(audio_out);
490 allocated_audio_buf_size= allocated_audio_out_size= 0;
491 av_free(samples);
492
493 #if CONFIG_AVFILTER
494 avfilter_uninit();
495 #endif
496
497 if (received_sigterm) {
498 fprintf(stderr,
499 "Received signal %d: terminating.\n",
500 (int) received_sigterm);
501 exit (255);
502 }
503
504 exit(ret); /* not all OS-es handle main() return value */
505 }
506
507 static void assert_avoptions(AVDictionary *m)
508 {
509 AVDictionaryEntry *t;
510 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
511 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
512 exit_program(1);
513 }
514 }
515
516 static void assert_codec_experimental(AVCodecContext *c, int encoder)
517 {
518 const char *codec_string = encoder ? "encoder" : "decoder";
519 AVCodec *codec;
520 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
521 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
522 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
523 "results.\nAdd '-strict experimental' if you want to use it.\n",
524 codec_string, c->codec->name);
525 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
526 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
527 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
528 codec_string, codec->name);
529 exit_program(1);
530 }
531 }
532
533 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
534 {
535 if(codec && codec->sample_fmts){
536 const enum AVSampleFormat *p= codec->sample_fmts;
537 for(; *p!=-1; p++){
538 if(*p == st->codec->sample_fmt)
539 break;
540 }
541 if (*p == -1) {
542 av_log(NULL, AV_LOG_WARNING,
543 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
544 av_get_sample_fmt_name(st->codec->sample_fmt),
545 codec->name,
546 av_get_sample_fmt_name(codec->sample_fmts[0]));
547 st->codec->sample_fmt = codec->sample_fmts[0];
548 }
549 }
550 }
551
552 /**
553 * Update the requested input sample format based on the output sample format.
554 * This is currently only used to request float output from decoders which
555 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
556 * Ideally this will be removed in the future when decoders do not do format
557 * conversion and only output in their native format.
558 */
559 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
560 AVCodecContext *enc)
561 {
562 /* if sample formats match or a decoder sample format has already been
563 requested, just return */
564 if (enc->sample_fmt == dec->sample_fmt ||
565 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
566 return;
567
568 /* if decoder supports more than one output format */
569 if (dec_codec && dec_codec->sample_fmts &&
570 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
571 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
572 const enum AVSampleFormat *p;
573 int min_dec = -1, min_inc = -1;
574
575 /* find a matching sample format in the encoder */
576 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
577 if (*p == enc->sample_fmt) {
578 dec->request_sample_fmt = *p;
579 return;
580 } else if (*p > enc->sample_fmt) {
581 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
582 } else
583 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
584 }
585
586 /* if none match, provide the one that matches quality closest */
587 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
588 enc->sample_fmt - min_dec;
589 }
590 }
591
592 static void choose_sample_rate(AVStream *st, AVCodec *codec)
593 {
594 if(codec && codec->supported_samplerates){
595 const int *p= codec->supported_samplerates;
596 int best=0;
597 int best_dist=INT_MAX;
598 for(; *p; p++){
599 int dist= abs(st->codec->sample_rate - *p);
600 if(dist < best_dist){
601 best_dist= dist;
602 best= *p;
603 }
604 }
605 if(best_dist){
606 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
607 }
608 st->codec->sample_rate= best;
609 }
610 }
611
612 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
613 {
614 if(codec && codec->pix_fmts){
615 const enum PixelFormat *p= codec->pix_fmts;
616 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
617 if(st->codec->codec_id==CODEC_ID_MJPEG){
618 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
619 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
620 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};
621 }
622 }
623 for(; *p!=-1; p++){
624 if(*p == st->codec->pix_fmt)
625 break;
626 }
627 if (*p == -1) {
628 if(st->codec->pix_fmt != PIX_FMT_NONE)
629 av_log(NULL, AV_LOG_WARNING,
630 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
631 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
632 codec->name,
633 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
634 st->codec->pix_fmt = codec->pix_fmts[0];
635 }
636 }
637 }
638
639 static OutputStream *new_output_stream(AVFormatContext *oc, int file_idx, AVCodec *codec)
640 {
641 OutputStream *ost;
642 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
643 int idx = oc->nb_streams - 1;
644
645 if (!st) {
646 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
647 exit_program(1);
648 }
649
650 output_streams_for_file[file_idx] =
651 grow_array(output_streams_for_file[file_idx],
652 sizeof(*output_streams_for_file[file_idx]),
653 &nb_output_streams_for_file[file_idx],
654 oc->nb_streams);
655 ost = output_streams_for_file[file_idx][idx] =
656 av_mallocz(sizeof(OutputStream));
657 if (!ost) {
658 fprintf(stderr, "Could not alloc output stream\n");
659 exit_program(1);
660 }
661 ost->file_index = file_idx;
662 ost->index = idx;
663 ost->st = st;
664 ost->enc = codec;
665 if (codec)
666 ost->opts = filter_codec_opts(codec_opts, codec->id, oc, st);
667
668 avcodec_get_context_defaults3(st->codec, codec);
669
670 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
671 return ost;
672 }
673
674 static int read_avserver_streams(AVFormatContext *s, const char *filename)
675 {
676 int i, err;
677 AVFormatContext *ic = NULL;
678
679 err = avformat_open_input(&ic, filename, NULL, NULL);
680 if (err < 0)
681 return err;
682 /* copy stream format */
683 for(i=0;i<ic->nb_streams;i++) {
684 AVStream *st;
685 OutputStream *ost;
686 AVCodec *codec;
687
688 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
689 ost = new_output_stream(s, nb_output_files, codec);
690 st = ost->st;
691
692 // FIXME: a more elegant solution is needed
693 memcpy(st, ic->streams[i], sizeof(AVStream));
694 st->info = NULL;
695 avcodec_copy_context(st->codec, ic->streams[i]->codec);
696
697 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
698 if (audio_stream_copy) {
699 st->stream_copy = 1;
700 } else
701 choose_sample_fmt(st, codec);
702 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
703 if (video_stream_copy) {
704 st->stream_copy = 1;
705 } else
706 choose_pixel_fmt(st, codec);
707 }
708 }
709
710 av_close_input_file(ic);
711 return 0;
712 }
713
714 static double
715 get_sync_ipts(const OutputStream *ost)
716 {
717 const InputStream *ist = ost->sync_ist;
718 return (double)(ist->pts - start_time)/AV_TIME_BASE;
719 }
720
721 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
722 int ret;
723
724 while(bsfc){
725 AVPacket new_pkt= *pkt;
726 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
727 &new_pkt.data, &new_pkt.size,
728 pkt->data, pkt->size,
729 pkt->flags & AV_PKT_FLAG_KEY);
730 if(a>0){
731 av_free_packet(pkt);
732 new_pkt.destruct= av_destruct_packet;
733 } else if(a<0){
734 fprintf(stderr, "%s failed for stream %d, codec %s",
735 bsfc->filter->name, pkt->stream_index,
736 avctx->codec ? avctx->codec->name : "copy");
737 print_error("", a);
738 if (exit_on_error)
739 exit_program(1);
740 }
741 *pkt= new_pkt;
742
743 bsfc= bsfc->next;
744 }
745
746 ret= av_interleaved_write_frame(s, pkt);
747 if(ret < 0){
748 print_error("av_interleaved_write_frame()", ret);
749 exit_program(1);
750 }
751 }
752
753 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
754
755 static void do_audio_out(AVFormatContext *s,
756 OutputStream *ost,
757 InputStream *ist,
758 unsigned char *buf, int size)
759 {
760 uint8_t *buftmp;
761 int64_t audio_out_size, audio_buf_size;
762 int64_t allocated_for_size= size;
763
764 int size_out, frame_bytes, ret, resample_changed;
765 AVCodecContext *enc= ost->st->codec;
766 AVCodecContext *dec= ist->st->codec;
767 int osize = av_get_bytes_per_sample(enc->sample_fmt);
768 int isize = av_get_bytes_per_sample(dec->sample_fmt);
769 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
770
771 need_realloc:
772 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
773 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
774 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
775 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
776 audio_buf_size*= osize*enc->channels;
777
778 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
779 if(coded_bps > 8*osize)
780 audio_out_size= audio_out_size * coded_bps / (8*osize);
781 audio_out_size += FF_MIN_BUFFER_SIZE;
782
783 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
784 fprintf(stderr, "Buffer sizes too large\n");
785 exit_program(1);
786 }
787
788 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
789 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
790 if (!audio_buf || !audio_out){
791 fprintf(stderr, "Out of memory in do_audio_out\n");
792 exit_program(1);
793 }
794
795 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
796 ost->audio_resample = 1;
797
798 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
799 ost->resample_channels != dec->channels ||
800 ost->resample_sample_rate != dec->sample_rate;
801
802 if ((ost->audio_resample && !ost->resample) || resample_changed) {
803 if (resample_changed) {
804 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",
805 ist->file_index, ist->st->index,
806 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
807 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
808 ost->resample_sample_fmt = dec->sample_fmt;
809 ost->resample_channels = dec->channels;
810 ost->resample_sample_rate = dec->sample_rate;
811 if (ost->resample)
812 audio_resample_close(ost->resample);
813 }
814 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
815 if (audio_sync_method <= 1 &&
816 ost->resample_sample_fmt == enc->sample_fmt &&
817 ost->resample_channels == enc->channels &&
818 ost->resample_sample_rate == enc->sample_rate) {
819 ost->resample = NULL;
820 ost->audio_resample = 0;
821 } else if (ost->audio_resample) {
822 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
823 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
824 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
825 enc->sample_rate, dec->sample_rate,
826 enc->sample_fmt, dec->sample_fmt,
827 16, 10, 0, 0.8);
828 if (!ost->resample) {
829 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
830 dec->channels, dec->sample_rate,
831 enc->channels, enc->sample_rate);
832 exit_program(1);
833 }
834 }
835 }
836
837 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
838 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
839 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
840 if (ost->reformat_ctx)
841 av_audio_convert_free(ost->reformat_ctx);
842 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
843 dec->sample_fmt, 1, NULL, 0);
844 if (!ost->reformat_ctx) {
845 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
846 av_get_sample_fmt_name(dec->sample_fmt),
847 av_get_sample_fmt_name(enc->sample_fmt));
848 exit_program(1);
849 }
850 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
851 }
852
853 if(audio_sync_method){
854 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
855 - av_fifo_size(ost->fifo)/(enc->channels * 2);
856 double idelta= delta*dec->sample_rate / enc->sample_rate;
857 int byte_delta= ((int)idelta)*2*dec->channels;
858
859 //FIXME resample delay
860 if(fabs(delta) > 50){
861 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
862 if(byte_delta < 0){
863 byte_delta= FFMAX(byte_delta, -size);
864 size += byte_delta;
865 buf -= byte_delta;
866 if(verbose > 2)
867 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
868 if(!size)
869 return;
870 ist->is_start=0;
871 }else{
872 static uint8_t *input_tmp= NULL;
873 input_tmp= av_realloc(input_tmp, byte_delta + size);
874
875 if(byte_delta > allocated_for_size - size){
876 allocated_for_size= byte_delta + (int64_t)size;
877 goto need_realloc;
878 }
879 ist->is_start=0;
880
881 memset(input_tmp, 0, byte_delta);
882 memcpy(input_tmp + byte_delta, buf, size);
883 buf= input_tmp;
884 size += byte_delta;
885 if(verbose > 2)
886 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
887 }
888 }else if(audio_sync_method>1){
889 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
890 av_assert0(ost->audio_resample);
891 if(verbose > 2)
892 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
893 // 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));
894 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
895 }
896 }
897 }else
898 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
899 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
900
901 if (ost->audio_resample) {
902 buftmp = audio_buf;
903 size_out = audio_resample(ost->resample,
904 (short *)buftmp, (short *)buf,
905 size / (dec->channels * isize));
906 size_out = size_out * enc->channels * osize;
907 } else {
908 buftmp = buf;
909 size_out = size;
910 }
911
912 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
913 const void *ibuf[6]= {buftmp};
914 void *obuf[6]= {audio_buf};
915 int istride[6]= {isize};
916 int ostride[6]= {osize};
917 int len= size_out/istride[0];
918 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
919 printf("av_audio_convert() failed\n");
920 if (exit_on_error)
921 exit_program(1);
922 return;
923 }
924 buftmp = audio_buf;
925 size_out = len*osize;
926 }
927
928 /* now encode as many frames as possible */
929 if (enc->frame_size > 1) {
930 /* output resampled raw samples */
931 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
932 fprintf(stderr, "av_fifo_realloc2() failed\n");
933 exit_program(1);
934 }
935 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
936
937 frame_bytes = enc->frame_size * osize * enc->channels;
938
939 while (av_fifo_size(ost->fifo) >= frame_bytes) {
940 AVPacket pkt;
941 av_init_packet(&pkt);
942
943 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
944
945 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
946
947 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
948 (short *)audio_buf);
949 if (ret < 0) {
950 fprintf(stderr, "Audio encoding failed\n");
951 exit_program(1);
952 }
953 audio_size += ret;
954 pkt.stream_index= ost->index;
955 pkt.data= audio_out;
956 pkt.size= ret;
957 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
958 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
959 pkt.flags |= AV_PKT_FLAG_KEY;
960 write_frame(s, &pkt, enc, ost->bitstream_filters);
961
962 ost->sync_opts += enc->frame_size;
963 }
964 } else {
965 AVPacket pkt;
966 av_init_packet(&pkt);
967
968 ost->sync_opts += size_out / (osize * enc->channels);
969
970 /* output a pcm frame */
971 /* determine the size of the coded buffer */
972 size_out /= osize;
973 if (coded_bps)
974 size_out = size_out*coded_bps/8;
975
976 if(size_out > audio_out_size){
977 fprintf(stderr, "Internal error, buffer size too small\n");
978 exit_program(1);
979 }
980
981 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
982 ret = avcodec_encode_audio(enc, audio_out, size_out,
983 (short *)buftmp);
984 if (ret < 0) {
985 fprintf(stderr, "Audio encoding failed\n");
986 exit_program(1);
987 }
988 audio_size += ret;
989 pkt.stream_index= ost->index;
990 pkt.data= audio_out;
991 pkt.size= ret;
992 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
993 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
994 pkt.flags |= AV_PKT_FLAG_KEY;
995 write_frame(s, &pkt, enc, ost->bitstream_filters);
996 }
997 }
998
999 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1000 {
1001 AVCodecContext *dec;
1002 AVPicture *picture2;
1003 AVPicture picture_tmp;
1004 uint8_t *buf = 0;
1005
1006 dec = ist->st->codec;
1007
1008 /* deinterlace : must be done before any resize */
1009 if (do_deinterlace) {
1010 int size;
1011
1012 /* create temporary picture */
1013 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1014 buf = av_malloc(size);
1015 if (!buf)
1016 return;
1017
1018 picture2 = &picture_tmp;
1019 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1020
1021 if(avpicture_deinterlace(picture2, picture,
1022 dec->pix_fmt, dec->width, dec->height) < 0) {
1023 /* if error, do not deinterlace */
1024 fprintf(stderr, "Deinterlacing failed\n");
1025 av_free(buf);
1026 buf = NULL;
1027 picture2 = picture;
1028 }
1029 } else {
1030 picture2 = picture;
1031 }
1032
1033 if (picture != picture2)
1034 *picture = *picture2;
1035 *bufp = buf;
1036 }
1037
1038 /* we begin to correct av delay at this threshold */
1039 #define AV_DELAY_MAX 0.100
1040
1041 static void do_subtitle_out(AVFormatContext *s,
1042 OutputStream *ost,
1043 InputStream *ist,
1044 AVSubtitle *sub,
1045 int64_t pts)
1046 {
1047 static uint8_t *subtitle_out = NULL;
1048 int subtitle_out_max_size = 1024 * 1024;
1049 int subtitle_out_size, nb, i;
1050 AVCodecContext *enc;
1051 AVPacket pkt;
1052
1053 if (pts == AV_NOPTS_VALUE) {
1054 fprintf(stderr, "Subtitle packets must have a pts\n");
1055 if (exit_on_error)
1056 exit_program(1);
1057 return;
1058 }
1059
1060 enc = ost->st->codec;
1061
1062 if (!subtitle_out) {
1063 subtitle_out = av_malloc(subtitle_out_max_size);
1064 }
1065
1066 /* Note: DVB subtitle need one packet to draw them and one other
1067 packet to clear them */
1068 /* XXX: signal it in the codec context ? */
1069 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1070 nb = 2;
1071 else
1072 nb = 1;
1073
1074 for(i = 0; i < nb; i++) {
1075 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1076 // start_display_time is required to be 0
1077 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1078 sub->end_display_time -= sub->start_display_time;
1079 sub->start_display_time = 0;
1080 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1081 subtitle_out_max_size, sub);
1082 if (subtitle_out_size < 0) {
1083 fprintf(stderr, "Subtitle encoding failed\n");
1084 exit_program(1);
1085 }
1086
1087 av_init_packet(&pkt);
1088 pkt.stream_index = ost->index;
1089 pkt.data = subtitle_out;
1090 pkt.size = subtitle_out_size;
1091 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1092 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1093 /* XXX: the pts correction is handled here. Maybe handling
1094 it in the codec would be better */
1095 if (i == 0)
1096 pkt.pts += 90 * sub->start_display_time;
1097 else
1098 pkt.pts += 90 * sub->end_display_time;
1099 }
1100 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1101 }
1102 }
1103
1104 static int bit_buffer_size= 1024*256;
1105 static uint8_t *bit_buffer= NULL;
1106
1107 static void do_video_out(AVFormatContext *s,
1108 OutputStream *ost,
1109 InputStream *ist,
1110 AVFrame *in_picture,
1111 int *frame_size, float quality)
1112 {
1113 int nb_frames, i, ret, resample_changed;
1114 AVFrame *final_picture, *formatted_picture;
1115 AVCodecContext *enc, *dec;
1116 double sync_ipts;
1117
1118 enc = ost->st->codec;
1119 dec = ist->st->codec;
1120
1121 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1122
1123 /* by default, we output a single frame */
1124 nb_frames = 1;
1125
1126 *frame_size = 0;
1127
1128 if(video_sync_method){
1129 double vdelta = sync_ipts - ost->sync_opts;
1130 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1131 if (vdelta < -1.1)
1132 nb_frames = 0;
1133 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1134 if(vdelta<=-0.6){
1135 nb_frames=0;
1136 }else if(vdelta>0.6)
1137 ost->sync_opts= lrintf(sync_ipts);
1138 }else if (vdelta > 1.1)
1139 nb_frames = lrintf(vdelta);
1140 //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);
1141 if (nb_frames == 0){
1142 ++nb_frames_drop;
1143 if (verbose>2)
1144 fprintf(stderr, "*** drop!\n");
1145 }else if (nb_frames > 1) {
1146 nb_frames_dup += nb_frames - 1;
1147 if (verbose>2)
1148 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1149 }
1150 }else
1151 ost->sync_opts= lrintf(sync_ipts);
1152
1153 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1154 if (nb_frames <= 0)
1155 return;
1156
1157 formatted_picture = in_picture;
1158 final_picture = formatted_picture;
1159
1160 resample_changed = ost->resample_width != dec->width ||
1161 ost->resample_height != dec->height ||
1162 ost->resample_pix_fmt != dec->pix_fmt;
1163
1164 if (resample_changed) {
1165 av_log(NULL, AV_LOG_INFO,
1166 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1167 ist->file_index, ist->st->index,
1168 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1169 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1170 if(!ost->video_resample)
1171 exit_program(1);
1172 }
1173
1174 #if !CONFIG_AVFILTER
1175 if (ost->video_resample) {
1176 final_picture = &ost->pict_tmp;
1177 if (resample_changed) {
1178 /* initialize a new scaler context */
1179 sws_freeContext(ost->img_resample_ctx);
1180 ost->img_resample_ctx = sws_getContext(
1181 ist->st->codec->width,
1182 ist->st->codec->height,
1183 ist->st->codec->pix_fmt,
1184 ost->st->codec->width,
1185 ost->st->codec->height,
1186 ost->st->codec->pix_fmt,
1187 ost->sws_flags, NULL, NULL, NULL);
1188 if (ost->img_resample_ctx == NULL) {
1189 fprintf(stderr, "Cannot get resampling context\n");
1190 exit_program(1);
1191 }
1192 }
1193 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1194 0, ost->resample_height, final_picture->data, final_picture->linesize);
1195 }
1196 #endif
1197
1198 /* duplicates frame if needed */
1199 for(i=0;i<nb_frames;i++) {
1200 AVPacket pkt;
1201 av_init_packet(&pkt);
1202 pkt.stream_index= ost->index;
1203
1204 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1205 /* raw pictures are written as AVPicture structure to
1206 avoid any copies. We support temorarily the older
1207 method. */
1208 AVFrame* old_frame = enc->coded_frame;
1209 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1210 pkt.data= (uint8_t *)final_picture;
1211 pkt.size= sizeof(AVPicture);
1212 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1213 pkt.flags |= AV_PKT_FLAG_KEY;
1214
1215 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1216 enc->coded_frame = old_frame;
1217 } else {
1218 AVFrame big_picture;
1219
1220 big_picture= *final_picture;
1221 /* better than nothing: use input picture interlaced
1222 settings */
1223 big_picture.interlaced_frame = in_picture->interlaced_frame;
1224 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1225 if(top_field_first == -1)
1226 big_picture.top_field_first = in_picture->top_field_first;
1227 else
1228 big_picture.top_field_first = top_field_first;
1229 }
1230
1231 /* handles sameq here. This is not correct because it may
1232 not be a global option */
1233 big_picture.quality = quality;
1234 if(!me_threshold)
1235 big_picture.pict_type = 0;
1236 // big_picture.pts = AV_NOPTS_VALUE;
1237 big_picture.pts= ost->sync_opts;
1238 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1239 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1240 if (ost->forced_kf_index < ost->forced_kf_count &&
1241 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1242 big_picture.pict_type = AV_PICTURE_TYPE_I;
1243 ost->forced_kf_index++;
1244 }
1245 ret = avcodec_encode_video(enc,
1246 bit_buffer, bit_buffer_size,
1247 &big_picture);
1248 if (ret < 0) {
1249 fprintf(stderr, "Video encoding failed\n");
1250 exit_program(1);
1251 }
1252
1253 if(ret>0){
1254 pkt.data= bit_buffer;
1255 pkt.size= ret;
1256 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1257 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1258 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1259 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1260 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1261
1262 if(enc->coded_frame->key_frame)
1263 pkt.flags |= AV_PKT_FLAG_KEY;
1264 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1265 *frame_size = ret;
1266 video_size += ret;
1267 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1268 // enc->frame_number-1, ret, enc->pict_type);
1269 /* if two pass, output log */
1270 if (ost->logfile && enc->stats_out) {
1271 fprintf(ost->logfile, "%s", enc->stats_out);
1272 }
1273 }
1274 }
1275 ost->sync_opts++;
1276 ost->frame_number++;
1277 }
1278 }
1279
1280 static double psnr(double d){
1281 return -10.0*log(d)/log(10.0);
1282 }
1283
1284 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1285 int frame_size)
1286 {
1287 AVCodecContext *enc;
1288 int frame_number;
1289 double ti1, bitrate, avg_bitrate;
1290
1291 /* this is executed just the first time do_video_stats is called */
1292 if (!vstats_file) {
1293 vstats_file = fopen(vstats_filename, "w");
1294 if (!vstats_file) {
1295 perror("fopen");
1296 exit_program(1);
1297 }
1298 }
1299
1300 enc = ost->st->codec;
1301 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1302 frame_number = ost->frame_number;
1303 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1304 if (enc->flags&CODEC_FLAG_PSNR)
1305 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1306
1307 fprintf(vstats_file,"f_size= %6d ", frame_size);
1308 /* compute pts value */
1309 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1310 if (ti1 < 0.01)
1311 ti1 = 0.01;
1312
1313 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1314 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1315 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1316 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1317 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1318 }
1319 }
1320
1321 static void print_report(AVFormatContext **output_files,
1322 OutputStream **ost_table, int nb_ostreams,
1323 int is_last_report)
1324 {
1325 char buf[1024];
1326 OutputStream *ost;
1327 AVFormatContext *oc;
1328 int64_t total_size;
1329 AVCodecContext *enc;
1330 int frame_number, vid, i;
1331 double bitrate, ti1, pts;
1332 static int64_t last_time = -1;
1333 static int qp_histogram[52];
1334
1335 if (!is_last_report) {
1336 int64_t cur_time;
1337 /* display the report every 0.5 seconds */
1338 cur_time = av_gettime();
1339 if (last_time == -1) {
1340 last_time = cur_time;
1341 return;
1342 }
1343 if ((cur_time - last_time) < 500000)
1344 return;
1345 last_time = cur_time;
1346 }
1347
1348
1349 oc = output_files[0];
1350
1351 total_size = avio_size(oc->pb);
1352 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1353 total_size= avio_tell(oc->pb);
1354
1355 buf[0] = '\0';
1356 ti1 = 1e10;
1357 vid = 0;
1358 for(i=0;i<nb_ostreams;i++) {
1359 float q = -1;
1360 ost = ost_table[i];
1361 enc = ost->st->codec;
1362 if (!ost->st->stream_copy && enc->coded_frame)
1363 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1364 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1365 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1366 }
1367 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1368 float t = (av_gettime()-timer_start) / 1000000.0;
1369
1370 frame_number = ost->frame_number;
1371 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1372 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1373 if(is_last_report)
1374 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1375 if(qp_hist){
1376 int j;
1377 int qp = lrintf(q);
1378 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1379 qp_histogram[qp]++;
1380 for(j=0; j<32; j++)
1381 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1382 }
1383 if (enc->flags&CODEC_FLAG_PSNR){
1384 int j;
1385 double error, error_sum=0;
1386 double scale, scale_sum=0;
1387 char type[3]= {'Y','U','V'};
1388 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1389 for(j=0; j<3; j++){
1390 if(is_last_report){
1391 error= enc->error[j];
1392 scale= enc->width*enc->height*255.0*255.0*frame_number;
1393 }else{
1394 error= enc->coded_frame->error[j];
1395 scale= enc->width*enc->height*255.0*255.0;
1396 }
1397 if(j) scale/=4;
1398 error_sum += error;
1399 scale_sum += scale;
1400 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1401 }
1402 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1403 }
1404 vid = 1;
1405 }
1406 /* compute min output value */
1407 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1408 if ((pts < ti1) && (pts > 0))
1409 ti1 = pts;
1410 }
1411 if (ti1 < 0.01)
1412 ti1 = 0.01;
1413
1414 if (verbose > 0 || is_last_report) {
1415 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1416
1417 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1418 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1419 (double)total_size / 1024, ti1, bitrate);
1420
1421 if (nb_frames_dup || nb_frames_drop)
1422 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1423 nb_frames_dup, nb_frames_drop);
1424
1425 if (verbose >= 0)
1426 fprintf(stderr, "%s \r", buf);
1427
1428 fflush(stderr);
1429 }
1430
1431 if (is_last_report && verbose >= 0){
1432 int64_t raw= audio_size + video_size + extra_size;
1433 fprintf(stderr, "\n");
1434 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1435 video_size/1024.0,
1436 audio_size/1024.0,
1437 extra_size/1024.0,
1438 100.0*(total_size - raw)/raw
1439 );
1440 }
1441 }
1442
1443 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1444 {
1445 int fill_char = 0x00;
1446 if (sample_fmt == AV_SAMPLE_FMT_U8)
1447 fill_char = 0x80;
1448 memset(buf, fill_char, size);
1449 }
1450
1451 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1452 static int output_packet(InputStream *ist, int ist_index,
1453 OutputStream **ost_table, int nb_ostreams,
1454 const AVPacket *pkt)
1455 {
1456 AVFormatContext *os;
1457 OutputStream *ost;
1458 int ret, i;
1459 int got_output;
1460 AVFrame picture;
1461 void *buffer_to_free = NULL;
1462 static unsigned int samples_size= 0;
1463 AVSubtitle subtitle, *subtitle_to_free;
1464 int64_t pkt_pts = AV_NOPTS_VALUE;
1465 #if CONFIG_AVFILTER
1466 int frame_available;
1467 #endif
1468 float quality;
1469
1470 AVPacket avpkt;
1471 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1472
1473 if(ist->next_pts == AV_NOPTS_VALUE)
1474 ist->next_pts= ist->pts;
1475
1476 if (pkt == NULL) {
1477 /* EOF handling */
1478 av_init_packet(&avpkt);
1479 avpkt.data = NULL;
1480 avpkt.size = 0;
1481 goto handle_eof;
1482 } else {
1483 avpkt = *pkt;
1484 }
1485
1486 if(pkt->dts != AV_NOPTS_VALUE)
1487 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1488 if(pkt->pts != AV_NOPTS_VALUE)
1489 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1490
1491 //while we have more to decode or while the decoder did output something on EOF
1492 while (avpkt.size > 0 || (!pkt && got_output)) {
1493 uint8_t *data_buf, *decoded_data_buf;
1494 int data_size, decoded_data_size;
1495 handle_eof:
1496 ist->pts= ist->next_pts;
1497
1498 if(avpkt.size && avpkt.size != pkt->size &&
1499 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1500 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1501 ist->showed_multi_packet_warning=1;
1502 }
1503
1504 /* decode the packet if needed */
1505 decoded_data_buf = NULL; /* fail safe */
1506 decoded_data_size= 0;
1507 data_buf = avpkt.data;
1508 data_size = avpkt.size;
1509 subtitle_to_free = NULL;
1510 if (ist->decoding_needed) {
1511 switch(ist->st->codec->codec_type) {
1512 case AVMEDIA_TYPE_AUDIO:{
1513 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1514 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1515 av_free(samples);
1516 samples= av_malloc(samples_size);
1517 }
1518 decoded_data_size= samples_size;
1519 /* XXX: could avoid copy if PCM 16 bits with same
1520 endianness as CPU */
1521 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1522 &avpkt);
1523 if (ret < 0)
1524 return ret;
1525 avpkt.data += ret;
1526 avpkt.size -= ret;
1527 data_size = ret;
1528 got_output = decoded_data_size > 0;
1529 /* Some bug in mpeg audio decoder gives */
1530 /* decoded_data_size < 0, it seems they are overflows */
1531 if (!got_output) {
1532 /* no audio frame */
1533 continue;
1534 }
1535 decoded_data_buf = (uint8_t *)samples;
1536 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1537 (ist->st->codec->sample_rate * ist->st->codec->channels);
1538 break;}
1539 case AVMEDIA_TYPE_VIDEO:
1540 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1541 /* XXX: allocate picture correctly */
1542 avcodec_get_frame_defaults(&picture);
1543 avpkt.pts = pkt_pts;
1544 avpkt.dts = ist->pts;
1545 pkt_pts = AV_NOPTS_VALUE;
1546
1547 ret = avcodec_decode_video2(ist->st->codec,
1548 &picture, &got_output, &avpkt);
1549 quality = same_quality ? picture.quality : 0;
1550 if (ret < 0)
1551 return ret;
1552 if (!got_output) {
1553 /* no picture yet */
1554 goto discard_packet;
1555 }
1556 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1557 if (ist->st->codec->time_base.num != 0) {
1558 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1559 ist->next_pts += ((int64_t)AV_TIME_BASE *
1560 ist->st->codec->time_base.num * ticks) /
1561 ist->st->codec->time_base.den;
1562 }
1563 avpkt.size = 0;
1564 buffer_to_free = NULL;
1565 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1566 break;
1567 case AVMEDIA_TYPE_SUBTITLE:
1568 ret = avcodec_decode_subtitle2(ist->st->codec,
1569 &subtitle, &got_output, &avpkt);
1570 if (ret < 0)
1571 return ret;
1572 if (!got_output) {
1573 goto discard_packet;
1574 }
1575 subtitle_to_free = &subtitle;
1576 avpkt.size = 0;
1577 break;
1578 default:
1579 return -1;
1580 }
1581 } else {
1582 switch(ist->st->codec->codec_type) {
1583 case AVMEDIA_TYPE_AUDIO:
1584 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1585 ist->st->codec->sample_rate;
1586 break;
1587 case AVMEDIA_TYPE_VIDEO:
1588 if (ist->st->codec->time_base.num != 0) {
1589 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1590 ist->next_pts += ((int64_t)AV_TIME_BASE *
1591 ist->st->codec->time_base.num * ticks) /
1592 ist->st->codec->time_base.den;
1593 }
1594 break;
1595 }
1596 ret = avpkt.size;
1597 avpkt.size = 0;
1598 }
1599
1600 #if CONFIG_AVFILTER
1601 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1602 for (i = 0; i < nb_ostreams; i++) {
1603 ost = ost_table[i];
1604 if (ost->input_video_filter && ost->source_index == ist_index) {
1605 AVRational sar;
1606 if (ist->st->sample_aspect_ratio.num)
1607 sar = ist->st->sample_aspect_ratio;
1608 else
1609 sar = ist->st->codec->sample_aspect_ratio;
1610 // add it to be filtered
1611 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture,
1612 ist->pts,
1613 sar);
1614 }
1615 }
1616 }
1617 #endif
1618
1619 // preprocess audio (volume)
1620 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1621 if (audio_volume != 256) {
1622 short *volp;
1623 volp = samples;
1624 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1625 int v = ((*volp) * audio_volume + 128) >> 8;
1626 if (v < -32768) v = -32768;
1627 if (v > 32767) v = 32767;
1628 *volp++ = v;
1629 }
1630 }
1631 }
1632
1633 /* frame rate emulation */
1634 if (rate_emu) {
1635 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1636 int64_t now = av_gettime() - ist->start;
1637 if (pts > now)
1638 usleep(pts - now);
1639 }
1640 /* if output time reached then transcode raw format,
1641 encode packets and output them */
1642 if (start_time == 0 || ist->pts >= start_time)
1643 for(i=0;i<nb_ostreams;i++) {
1644 int frame_size;
1645
1646 ost = ost_table[i];
1647 if (ost->source_index == ist_index) {
1648 #if CONFIG_AVFILTER
1649 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1650 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1651 while (frame_available) {
1652 AVRational ist_pts_tb;
1653 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1654 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1655 if (ost->picref)
1656 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1657 #endif
1658 os = output_files[ost->file_index];
1659
1660 /* set the input output pts pairs */
1661 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1662
1663 if (ost->encoding_needed) {
1664 av_assert0(ist->decoding_needed);
1665 switch(ost->st->codec->codec_type) {
1666 case AVMEDIA_TYPE_AUDIO:
1667 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1668 break;
1669 case AVMEDIA_TYPE_VIDEO:
1670 #if CONFIG_AVFILTER
1671 if (ost->picref->video && !ost->frame_aspect_ratio)
1672 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1673 #endif
1674 do_video_out(os, ost, ist, &picture, &frame_size,
1675 same_quality ? quality : ost->st->codec->global_quality);
1676 if (vstats_filename && frame_size)
1677 do_video_stats(os, ost, frame_size);
1678 break;
1679 case AVMEDIA_TYPE_SUBTITLE:
1680 do_subtitle_out(os, ost, ist, &subtitle,
1681 pkt->pts);
1682 break;
1683 default:
1684 abort();
1685 }
1686 } else {
1687 AVFrame avframe; //FIXME/XXX remove this
1688 AVPacket opkt;
1689 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1690
1691 av_init_packet(&opkt);
1692
1693 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1694 #if !CONFIG_AVFILTER
1695 continue;
1696 #else
1697 goto cont;
1698 #endif
1699
1700 /* no reencoding needed : output the packet directly */
1701 /* force the input stream PTS */
1702
1703 avcodec_get_frame_defaults(&avframe);
1704 ost->st->codec->coded_frame= &avframe;
1705 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1706
1707 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1708 audio_size += data_size;
1709 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1710 video_size += data_size;
1711 ost->sync_opts++;
1712 }
1713
1714 opkt.stream_index= ost->index;
1715 if(pkt->pts != AV_NOPTS_VALUE)
1716 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1717 else
1718 opkt.pts= AV_NOPTS_VALUE;
1719
1720 if (pkt->dts == AV_NOPTS_VALUE)
1721 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1722 else
1723 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1724 opkt.dts -= ost_tb_start_time;
1725
1726 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1727 opkt.flags= pkt->flags;
1728
1729 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1730 if( ost->st->codec->codec_id != CODEC_ID_H264
1731 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1732 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1733 ) {
1734 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1735 opkt.destruct= av_destruct_packet;
1736 } else {
1737 opkt.data = data_buf;
1738 opkt.size = data_size;
1739 }
1740
1741 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1742 ost->st->codec->frame_number++;
1743 ost->frame_number++;
1744 av_free_packet(&opkt);
1745 }
1746 #if CONFIG_AVFILTER
1747 cont:
1748 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1749 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1750 if (ost->picref)
1751 avfilter_unref_buffer(ost->picref);
1752 }
1753 #endif
1754 }
1755 }
1756
1757 av_free(buffer_to_free);
1758 /* XXX: allocate the subtitles in the codec ? */
1759 if (subtitle_to_free) {
1760 avsubtitle_free(subtitle_to_free);
1761 subtitle_to_free = NULL;
1762 }
1763 }
1764 discard_packet:
1765 if (pkt == NULL) {
1766 /* EOF handling */
1767
1768 for(i=0;i<nb_ostreams;i++) {
1769 ost = ost_table[i];
1770 if (ost->source_index == ist_index) {
1771 AVCodecContext *enc= ost->st->codec;
1772 os = output_files[ost->file_index];
1773
1774 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1775 continue;
1776 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1777 continue;
1778
1779 if (ost->encoding_needed) {
1780 for(;;) {
1781 AVPacket pkt;
1782 int fifo_bytes;
1783 av_init_packet(&pkt);
1784 pkt.stream_index= ost->index;
1785
1786 switch(ost->st->codec->codec_type) {
1787 case AVMEDIA_TYPE_AUDIO:
1788 fifo_bytes = av_fifo_size(ost->fifo);
1789 ret = 0;
1790 /* encode any samples remaining in fifo */
1791 if (fifo_bytes > 0) {
1792 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1793 int fs_tmp = enc->frame_size;
1794
1795 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1796 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1797 enc->frame_size = fifo_bytes / (osize * enc->channels);
1798 } else { /* pad */
1799 int frame_bytes = enc->frame_size*osize*enc->channels;
1800 if (allocated_audio_buf_size < frame_bytes)
1801 exit_program(1);
1802 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1803 }
1804
1805 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1806 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1807 ost->st->time_base.num, enc->sample_rate);
1808 enc->frame_size = fs_tmp;
1809 }
1810 if(ret <= 0) {
1811 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1812 }
1813 if (ret < 0) {
1814 fprintf(stderr, "Audio encoding failed\n");
1815 exit_program(1);
1816 }
1817 audio_size += ret;
1818 pkt.flags |= AV_PKT_FLAG_KEY;
1819 break;
1820 case AVMEDIA_TYPE_VIDEO:
1821 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1822 if (ret < 0) {
1823 fprintf(stderr, "Video encoding failed\n");
1824 exit_program(1);
1825 }
1826 video_size += ret;
1827 if(enc->coded_frame && enc->coded_frame->key_frame)
1828 pkt.flags |= AV_PKT_FLAG_KEY;
1829 if (ost->logfile && enc->stats_out) {
1830 fprintf(ost->logfile, "%s", enc->stats_out);
1831 }
1832 break;
1833 default:
1834 ret=-1;
1835 }
1836
1837 if(ret<=0)
1838 break;
1839 pkt.data= bit_buffer;
1840 pkt.size= ret;
1841 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1842 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1843 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1844 }
1845 }
1846 }
1847 }
1848 }
1849
1850 return 0;
1851 }
1852
1853 static void print_sdp(AVFormatContext **avc, int n)
1854 {
1855 char sdp[2048];
1856
1857 av_sdp_create(avc, n, sdp, sizeof(sdp));
1858 printf("SDP:\n%s\n", sdp);
1859 fflush(stdout);
1860 }
1861
1862 static int copy_chapters(int infile, int outfile)
1863 {
1864 AVFormatContext *is = input_files[infile].ctx;
1865 AVFormatContext *os = output_files[outfile];
1866 int i;
1867
1868 for (i = 0; i < is->nb_chapters; i++) {
1869 AVChapter *in_ch = is->chapters[i], *out_ch;
1870 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
1871 AV_TIME_BASE_Q, in_ch->time_base);
1872 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1873 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1874
1875
1876 if (in_ch->end < ts_off)
1877 continue;
1878 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1879 break;
1880
1881 out_ch = av_mallocz(sizeof(AVChapter));
1882 if (!out_ch)
1883 return AVERROR(ENOMEM);
1884
1885 out_ch->id = in_ch->id;
1886 out_ch->time_base = in_ch->time_base;
1887 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1888 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1889
1890 if (metadata_chapters_autocopy)
1891 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1892
1893 os->nb_chapters++;
1894 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1895 if (!os->chapters)
1896 return AVERROR(ENOMEM);
1897 os->chapters[os->nb_chapters - 1] = out_ch;
1898 }
1899 return 0;
1900 }
1901
1902 static void parse_forced_key_frames(char *kf, OutputStream *ost,
1903 AVCodecContext *avctx)
1904 {
1905 char *p;
1906 int n = 1, i;
1907 int64_t t;
1908
1909 for (p = kf; *p; p++)
1910 if (*p == ',')
1911 n++;
1912 ost->forced_kf_count = n;
1913 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1914 if (!ost->forced_kf_pts) {
1915 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1916 exit_program(1);
1917 }
1918 for (i = 0; i < n; i++) {
1919 p = i ? strchr(p, ',') + 1 : kf;
1920 t = parse_time_or_die("force_key_frames", p, 1);
1921 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1922 }
1923 }
1924
1925 /*
1926 * The following code is the main loop of the file converter
1927 */
1928 static int transcode(AVFormatContext **output_files,
1929 int nb_output_files,
1930 InputFile *input_files,
1931 int nb_input_files,
1932 StreamMap *stream_maps, int nb_stream_maps)
1933 {
1934 int ret = 0, i, j, k, n, nb_ostreams = 0;
1935 AVFormatContext *is, *os;
1936 AVCodecContext *codec, *icodec;
1937 OutputStream *ost, **ost_table = NULL;
1938 InputStream *ist;
1939 char error[1024];
1940 int want_sdp = 1;
1941 uint8_t no_packet[MAX_FILES]={0};
1942 int no_packet_count=0;
1943
1944 if (rate_emu)
1945 for (i = 0; i < nb_input_streams; i++)
1946 input_streams[i].start = av_gettime();
1947
1948 /* output stream init */
1949 nb_ostreams = 0;
1950 for(i=0;i<nb_output_files;i++) {
1951 os = output_files[i];
1952 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1953 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
1954 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1955 ret = AVERROR(EINVAL);
1956 goto fail;
1957 }
1958 nb_ostreams += os->nb_streams;
1959 }
1960 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1961 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1962 ret = AVERROR(EINVAL);
1963 goto fail;
1964 }
1965
1966 /* Sanity check the mapping args -- do the input files & streams exist? */
1967 for(i=0;i<nb_stream_maps;i++) {
1968 int fi = stream_maps[i].file_index;
1969 int si = stream_maps[i].stream_index;
1970
1971 if (fi < 0 || fi > nb_input_files - 1 ||
1972 si < 0 || si > input_files[fi].nb_streams - 1) {
1973 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1974 ret = AVERROR(EINVAL);
1975 goto fail;
1976 }
1977 fi = stream_maps[i].sync_file_index;
1978 si = stream_maps[i].sync_stream_index;
1979 if (fi < 0 || fi > nb_input_files - 1 ||
1980 si < 0 || si > input_files[fi].nb_streams - 1) {
1981 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1982 ret = AVERROR(EINVAL);
1983 goto fail;
1984 }
1985 }
1986
1987 ost_table = av_mallocz(sizeof(OutputStream *) * nb_ostreams);
1988 if (!ost_table)
1989 goto fail;
1990 n = 0;
1991 for(k=0;k<nb_output_files;k++) {
1992 os = output_files[k];
1993 for(i=0;i<os->nb_streams;i++,n++) {
1994 int found;
1995 ost = ost_table[n] = output_streams_for_file[k][i];
1996 if (nb_stream_maps > 0) {
1997 ost->source_index = input_files[stream_maps[n].file_index].ist_index +
1998 stream_maps[n].stream_index;
1999
2000 /* Sanity check that the stream types match */
2001 if (input_streams[ost->source_index].st->codec->codec_type != ost->st->codec->codec_type) {
2002 int i= ost->file_index;
2003 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2004 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2005 stream_maps[n].file_index, stream_maps[n].stream_index,
2006 ost->file_index, ost->index);
2007 exit_program(1);
2008 }
2009
2010 } else {
2011 int best_nb_frames=-1;
2012 /* get corresponding input stream index : we select the first one with the right type */
2013 found = 0;
2014 for (j = 0; j < nb_input_streams; j++) {
2015 int skip=0;
2016 ist = &input_streams[j];
2017 if(opt_programid){
2018 int pi,si;
2019 AVFormatContext *f = input_files[ist->file_index].ctx;
2020 skip=1;
2021 for(pi=0; pi<f->nb_programs; pi++){
2022 AVProgram *p= f->programs[pi];
2023 if(p->id == opt_programid)
2024 for(si=0; si<p->nb_stream_indexes; si++){
2025 if(f->streams[ p->stream_index[si] ] == ist->st)
2026 skip=0;
2027 }
2028 }
2029 }
2030 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2031 ist->st->codec->codec_type == ost->st->codec->codec_type) {
2032 if(best_nb_frames < ist->st->codec_info_nb_frames){
2033 best_nb_frames= ist->st->codec_info_nb_frames;
2034 ost->source_index = j;
2035 found = 1;
2036 }
2037 }
2038 }
2039
2040 if (!found) {
2041 if(! opt_programid) {
2042 /* try again and reuse existing stream */
2043 for (j = 0; j < nb_input_streams; j++) {
2044 ist = &input_streams[j];
2045 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2046 && ist->st->discard != AVDISCARD_ALL) {
2047 ost->source_index = j;
2048 found = 1;
2049 }
2050 }
2051 }
2052 if (!found) {
2053 int i= ost->file_index;
2054 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2055 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2056 ost->file_index, ost->index);
2057 exit_program(1);
2058 }
2059 }
2060 }
2061 ist = &input_streams[ost->source_index];
2062 ist->discard = 0;
2063 ost->sync_ist = (nb_stream_maps > 0) ?
2064 &input_streams[input_files[stream_maps[n].sync_file_index].ist_index +
2065 stream_maps[n].sync_stream_index] : ist;
2066 }
2067 }
2068
2069 /* for each output stream, we compute the right encoding parameters */
2070 for(i=0;i<nb_ostreams;i++) {
2071 ost = ost_table[i];
2072 os = output_files[ost->file_index];
2073 ist = &input_streams[ost->source_index];
2074
2075 codec = ost->st->codec;
2076 icodec = ist->st->codec;
2077
2078 if (metadata_streams_autocopy)
2079 av_dict_copy(&ost->st->metadata, ist->st->metadata,
2080 AV_DICT_DONT_OVERWRITE);
2081
2082 ost->st->disposition = ist->st->disposition;
2083 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2084 codec->chroma_sample_location = icodec->chroma_sample_location;
2085
2086 if (ost->st->stream_copy) {
2087 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2088
2089 if (extra_size > INT_MAX)
2090 goto fail;
2091
2092 /* if stream_copy is selected, no need to decode or encode */
2093 codec->codec_id = icodec->codec_id;
2094 codec->codec_type = icodec->codec_type;
2095
2096 if(!codec->codec_tag){
2097 if( !os->oformat->codec_tag
2098 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2099 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2100 codec->codec_tag = icodec->codec_tag;
2101 }
2102
2103 codec->bit_rate = icodec->bit_rate;
2104 codec->rc_max_rate = icodec->rc_max_rate;
2105 codec->rc_buffer_size = icodec->rc_buffer_size;
2106 codec->extradata= av_mallocz(extra_size);
2107 if (!codec->extradata)
2108 goto fail;
2109 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2110 codec->extradata_size= icodec->extradata_size;
2111 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){
2112 codec->time_base = icodec->time_base;
2113 codec->time_base.num *= icodec->ticks_per_frame;
2114 av_reduce(&codec->time_base.num, &codec->time_base.den,
2115 codec->time_base.num, codec->time_base.den, INT_MAX);
2116 }else
2117 codec->time_base = ist->st->time_base;
2118 switch(codec->codec_type) {
2119 case AVMEDIA_TYPE_AUDIO:
2120 if(audio_volume != 256) {
2121 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2122 exit_program(1);
2123 }
2124 codec->channel_layout = icodec->channel_layout;
2125 codec->sample_rate = icodec->sample_rate;
2126 codec->channels = icodec->channels;
2127 codec->frame_size = icodec->frame_size;
2128 codec->audio_service_type = icodec->audio_service_type;
2129 codec->block_align= icodec->block_align;
2130 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2131 codec->block_align= 0;
2132 if(codec->codec_id == CODEC_ID_AC3)
2133 codec->block_align= 0;
2134 break;
2135 case AVMEDIA_TYPE_VIDEO:
2136 codec->pix_fmt = icodec->pix_fmt;
2137 codec->width = icodec->width;
2138 codec->height = icodec->height;
2139 codec->has_b_frames = icodec->has_b_frames;
2140 if (!codec->sample_aspect_ratio.num) {
2141 codec->sample_aspect_ratio =
2142 ost->st->sample_aspect_ratio =
2143 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2144 ist->st->codec->sample_aspect_ratio.num ?
2145 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2146 }
2147 break;
2148 case AVMEDIA_TYPE_SUBTITLE:
2149 codec->width = icodec->width;
2150 codec->height = icodec->height;
2151 break;
2152 case AVMEDIA_TYPE_DATA:
2153 break;
2154 default:
2155 abort();
2156 }
2157 } else {
2158 if (!ost->enc)
2159 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2160 switch(codec->codec_type) {
2161 case AVMEDIA_TYPE_AUDIO:
2162 ost->fifo= av_fifo_alloc(1024);
2163 if(!ost->fifo)
2164 goto fail;
2165 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2166 if (!codec->sample_rate) {
2167 codec->sample_rate = icodec->sample_rate;
2168 if (icodec->lowres)
2169 codec->sample_rate >>= icodec->lowres;
2170 }
2171 choose_sample_rate(ost->st, ost->enc);
2172 codec->time_base = (AVRational){1, codec->sample_rate};
2173 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2174 codec->sample_fmt = icodec->sample_fmt;
2175 choose_sample_fmt(ost->st, ost->enc);
2176 if (!codec->channels)
2177 codec->channels = icodec->channels;
2178 codec->channel_layout = icodec->channel_layout;
2179 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2180 codec->channel_layout = 0;
2181 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2182 icodec->request_channels = codec->channels;
2183 ist->decoding_needed = 1;
2184 ost->encoding_needed = 1;
2185 ost->resample_sample_fmt = icodec->sample_fmt;
2186 ost->resample_sample_rate = icodec->sample_rate;
2187 ost->resample_channels = icodec->channels;
2188 break;
2189 case AVMEDIA_TYPE_VIDEO:
2190 if (codec->pix_fmt == PIX_FMT_NONE)
2191 codec->pix_fmt = icodec->pix_fmt;
2192 choose_pixel_fmt(ost->st, ost->enc);
2193
2194 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2195 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2196 exit_program(1);
2197 }
2198
2199 if (!codec->width || !codec->height) {
2200 codec->width = icodec->width;
2201 codec->height = icodec->height;
2202 }
2203
2204 ost->video_resample = codec->width != icodec->width ||
2205 codec->height != icodec->height ||
2206 codec->pix_fmt != icodec->pix_fmt;
2207 if (ost->video_resample) {
2208 #if !CONFIG_AVFILTER
2209 avcodec_get_frame_defaults(&ost->pict_tmp);
2210 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2211 codec->width, codec->height)) {
2212 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2213 exit_program(1);
2214 }
2215 ost->img_resample_ctx = sws_getContext(
2216 icodec->width,
2217 icodec->height,
2218 icodec->pix_fmt,
2219 codec->width,
2220 codec->height,
2221 codec->pix_fmt,
2222 ost->sws_flags, NULL, NULL, NULL);
2223 if (ost->img_resample_ctx == NULL) {
2224 fprintf(stderr, "Cannot get resampling context\n");
2225 exit_program(1);
2226 }
2227 #endif
2228 codec->bits_per_raw_sample= 0;
2229 }
2230
2231 ost->resample_height = icodec->height;
2232 ost->resample_width = icodec->width;
2233 ost->resample_pix_fmt= icodec->pix_fmt;
2234 ost->encoding_needed = 1;
2235 ist->decoding_needed = 1;
2236
2237 if (!ost->frame_rate.num)
2238 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2239 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2240 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2241 ost->frame_rate = ost->enc->supported_framerates[idx];
2242 }
2243 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2244
2245 #if CONFIG_AVFILTER
2246 if (configure_video_filters(ist, ost)) {
2247 fprintf(stderr, "Error opening filters!\n");
2248 exit(1);
2249 }
2250 #endif
2251 break;
2252 case AVMEDIA_TYPE_SUBTITLE:
2253 ost->encoding_needed = 1;
2254 ist->decoding_needed = 1;
2255 break;
2256 default:
2257 abort();
2258 break;
2259 }
2260 /* two pass mode */
2261 if (ost->encoding_needed &&
2262 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2263 char logfilename[1024];
2264 FILE *f;
2265
2266 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2267 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2268 i);
2269 if (codec->flags & CODEC_FLAG_PASS1) {
2270 f = fopen(logfilename, "wb");
2271 if (!f) {
2272 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2273 exit_program(1);
2274 }
2275 ost->logfile = f;
2276 } else {
2277 char *logbuffer;
2278 size_t logbuffer_size;
2279 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2280 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2281 exit_program(1);
2282 }
2283 codec->stats_in = logbuffer;
2284 }
2285 }
2286 }
2287 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2288 int size= codec->width * codec->height;
2289 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2290 }
2291 }
2292
2293 if (!bit_buffer)
2294 bit_buffer = av_malloc(bit_buffer_size);
2295 if (!bit_buffer) {
2296 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2297 bit_buffer_size);
2298 ret = AVERROR(ENOMEM);
2299 goto fail;
2300 }
2301
2302 /* open each encoder */
2303 for(i=0;i<nb_ostreams;i++) {
2304 ost = ost_table[i];
2305 if (ost->encoding_needed) {
2306 AVCodec *codec = ost->enc;
2307 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2308 if (!codec) {
2309 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2310 ost->st->codec->codec_id, ost->file_index, ost->index);
2311 ret = AVERROR(EINVAL);
2312 goto dump_format;
2313 }
2314 if (dec->subtitle_header) {
2315 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2316 if (!ost->st->codec->subtitle_header) {
2317 ret = AVERROR(ENOMEM);
2318 goto dump_format;
2319 }
2320 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2321 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2322 }
2323 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2324 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2325 ost->file_index, ost->index);
2326 ret = AVERROR(EINVAL);
2327 goto dump_format;
2328 }
2329 assert_codec_experimental(ost->st->codec, 1);
2330 assert_avoptions(ost->opts);
2331 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2332 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2333 "It takes bits/s as argument, not kbits/s\n");
2334 extra_size += ost->st->codec->extradata_size;
2335 }
2336 }
2337
2338 /* open each decoder */
2339 for (i = 0; i < nb_input_streams; i++) {
2340 ist = &input_streams[i];
2341 if (ist->decoding_needed) {
2342 AVCodec *codec = ist->dec;
2343 if (!codec)
2344 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2345 if (!codec) {
2346 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2347 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2348 ret = AVERROR(EINVAL);
2349 goto dump_format;
2350 }
2351
2352 /* update requested sample format for the decoder based on the
2353 corresponding encoder sample format */
2354 for (j = 0; j < nb_ostreams; j++) {
2355 ost = ost_table[j];
2356 if (ost->source_index == i) {
2357 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2358 break;
2359 }
2360 }
2361
2362 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2363 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2364 ist->file_index, ist->st->index);
2365 ret = AVERROR(EINVAL);
2366 goto dump_format;
2367 }
2368 assert_codec_experimental(ist->st->codec, 0);
2369 assert_avoptions(ost->opts);
2370 }
2371 }
2372
2373 /* init pts */
2374 for (i = 0; i < nb_input_streams; i++) {
2375 AVStream *st;
2376 ist = &input_streams[i];
2377 st= ist->st;
2378 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2379 ist->next_pts = AV_NOPTS_VALUE;
2380 init_pts_correction(&ist->pts_ctx);
2381 ist->is_start = 1;
2382 }
2383
2384 /* set meta data information from input file if required */
2385 for (i=0;i<nb_meta_data_maps;i++) {
2386 AVFormatContext *files[2];
2387 AVDictionary **meta[2];
2388 int j;
2389
2390 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2391 if ((index) < 0 || (index) >= (nb_elems)) {\
2392 snprintf(error, sizeof(error), "Invalid %s index %d while processing metadata maps\n",\
2393 (desc), (index));\
2394 ret = AVERROR(EINVAL);\
2395 goto dump_format;\
2396 }
2397
2398 int out_file_index = meta_data_maps[i][0].file;
2399 int in_file_index = meta_data_maps[i][1].file;
2400 if (in_file_index < 0 || out_file_index < 0)
2401 continue;
2402 METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file")
2403 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
2404
2405 files[0] = output_files[out_file_index];
2406 files[1] = input_files[in_file_index].ctx;
2407
2408 for (j = 0; j < 2; j++) {
2409 MetadataMap *map = &meta_data_maps[i][j];
2410
2411 switch (map->type) {
2412 case 'g':
2413 meta[j] = &files[j]->metadata;
2414 break;
2415 case 's':
2416 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
2417 meta[j] = &files[j]->streams[map->index]->metadata;
2418 break;
2419 case 'c':
2420 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
2421 meta[j] = &files[j]->chapters[map->index]->metadata;
2422 break;
2423 case 'p':
2424 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
2425 meta[j] = &files[j]->programs[map->index]->metadata;
2426 break;
2427 }
2428 }
2429
2430 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
2431 }
2432
2433 /* copy global metadata by default */
2434 if (metadata_global_autocopy) {
2435
2436 for (i = 0; i < nb_output_files; i++)
2437 av_dict_copy(&output_files[i]->metadata, input_files[0].ctx->metadata,
2438 AV_DICT_DONT_OVERWRITE);
2439 }
2440
2441 /* copy chapters according to chapter maps */
2442 for (i = 0; i < nb_chapter_maps; i++) {
2443 int infile = chapter_maps[i].in_file;
2444 int outfile = chapter_maps[i].out_file;
2445
2446 if (infile < 0 || outfile < 0)
2447 continue;
2448 if (infile >= nb_input_files) {
2449 snprintf(error, sizeof(error), "Invalid input file index %d in chapter mapping.\n", infile);
2450 ret = AVERROR(EINVAL);
2451 goto dump_format;
2452 }
2453 if (outfile >= nb_output_files) {
2454 snprintf(error, sizeof(error), "Invalid output file index %d in chapter mapping.\n",outfile);
2455 ret = AVERROR(EINVAL);
2456 goto dump_format;
2457 }
2458 copy_chapters(infile, outfile);
2459 }
2460
2461 /* copy chapters from the first input file that has them*/
2462 if (!nb_chapter_maps)
2463 for (i = 0; i < nb_input_files; i++) {
2464 if (!input_files[i].ctx->nb_chapters)
2465 continue;
2466
2467 for (j = 0; j < nb_output_files; j++)
2468 if ((ret = copy_chapters(i, j)) < 0)
2469 goto dump_format;
2470 break;
2471 }
2472
2473 /* open files and write file headers */
2474 for(i=0;i<nb_output_files;i++) {
2475 os = output_files[i];
2476 if (avformat_write_header(os, &output_opts[i]) < 0) {
2477 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2478 ret = AVERROR(EINVAL);
2479 goto dump_format;
2480 }
2481 assert_avoptions(output_opts[i]);
2482 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2483 want_sdp = 0;
2484 }
2485 }
2486
2487 dump_format:
2488 /* dump the file output parameters - cannot be done before in case
2489 of stream copy */
2490 for(i=0;i<nb_output_files;i++) {
2491 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2492 }
2493
2494 /* dump the stream mapping */
2495 if (verbose >= 0) {
2496 fprintf(stderr, "Stream mapping:\n");
2497 for(i=0;i<nb_ostreams;i++) {
2498 ost = ost_table[i];
2499 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2500 input_streams[ost->source_index].file_index,
2501 input_streams[ost->source_index].st->index,
2502 ost->file_index,
2503 ost->index);
2504 if (ost->sync_ist != &input_streams[ost->source_index])
2505 fprintf(stderr, " [sync #%d.%d]",
2506 ost->sync_ist->file_index,
2507 ost->sync_ist->st->index);
2508 fprintf(stderr, "\n");
2509 }
2510 }
2511
2512 if (ret) {
2513 fprintf(stderr, "%s\n", error);
2514 goto fail;
2515 }
2516
2517 if (want_sdp) {
2518 print_sdp(output_files, nb_output_files);
2519 }
2520
2521 if (verbose >= 0)
2522 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2523 term_init();
2524
2525 timer_start = av_gettime();
2526
2527 for(; received_sigterm == 0;) {
2528 int file_index, ist_index;
2529 AVPacket pkt;
2530 double ipts_min;
2531 double opts_min;
2532
2533 redo:
2534 ipts_min= 1e100;
2535 opts_min= 1e100;
2536
2537 /* select the stream that we must read now by looking at the
2538 smallest output pts */
2539 file_index = -1;
2540 for(i=0;i<nb_ostreams;i++) {
2541 double ipts, opts;
2542 ost = ost_table[i];
2543 os = output_files[ost->file_index];
2544 ist = &input_streams[ost->source_index];
2545 if(ist->is_past_recording_time || no_packet[ist->file_index])
2546 continue;
2547 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2548 ipts = (double)ist->pts;
2549 if (!input_files[ist->file_index].eof_reached){
2550 if(ipts < ipts_min) {
2551 ipts_min = ipts;
2552 if(input_sync ) file_index = ist->file_index;
2553 }
2554 if(opts < opts_min) {
2555 opts_min = opts;
2556 if(!input_sync) file_index = ist->file_index;
2557 }
2558 }
2559 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2560 file_index= -1;
2561 break;
2562 }
2563 }
2564 /* if none, if is finished */
2565 if (file_index < 0) {
2566 if(no_packet_count){
2567 no_packet_count=0;
2568 memset(no_packet, 0, sizeof(no_packet));
2569 usleep(10000);
2570 continue;
2571 }
2572 break;
2573 }
2574
2575 /* finish if limit size exhausted */
2576 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2577 break;
2578
2579 /* read a frame from it and output it in the fifo */
2580 is = input_files[file_index].ctx;
2581 ret= av_read_frame(is, &pkt);
2582 if(ret == AVERROR(EAGAIN)){
2583 no_packet[file_index]=1;
2584 no_packet_count++;
2585 continue;
2586 }
2587 if (ret < 0) {
2588 input_files[file_index].eof_reached = 1;
2589 if (opt_shortest)
2590 break;
2591 else
2592 continue;
2593 }
2594
2595 no_packet_count=0;
2596 memset(no_packet, 0, sizeof(no_packet));
2597
2598 if (do_pkt_dump) {
2599 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2600 is->streams[pkt.stream_index]);
2601 }
2602 /* the following test is needed in case new streams appear
2603 dynamically in stream : we ignore them */
2604 if (pkt.stream_index >= input_files[file_index].nb_streams)
2605 goto discard_packet;
2606 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2607 ist = &input_streams[ist_index];
2608 if (ist->discard)
2609 goto discard_packet;
2610
2611 if (pkt.dts != AV_NOPTS_VALUE)
2612 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2613 if (pkt.pts != AV_NOPTS_VALUE)
2614 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2615
2616 if (ist->ts_scale) {
2617 if(pkt.pts != AV_NOPTS_VALUE)
2618 pkt.pts *= ist->ts_scale;
2619 if(pkt.dts != AV_NOPTS_VALUE)
2620 pkt.dts *= ist->ts_scale;
2621 }
2622
2623 // 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);
2624 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2625 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2626 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2627 int64_t delta= pkt_dts - ist->next_pts;
2628 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2629 input_files[ist->file_index].ts_offset -= delta;
2630 if (verbose > 2)
2631 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2632 delta, input_files[ist->file_index].ts_offset);
2633 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2634 if(pkt.pts != AV_NOPTS_VALUE)
2635 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2636 }
2637 }
2638
2639 /* finish if recording time exhausted */
2640 if (recording_time != INT64_MAX &&
2641 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2642 ist->is_past_recording_time = 1;
2643 goto discard_packet;
2644 }
2645
2646 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2647 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2648
2649 if (verbose >= 0)
2650 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2651 ist->file_index, ist->st->index);
2652 if (exit_on_error)
2653 exit_program(1);
2654 av_free_packet(&pkt);
2655 goto redo;
2656 }
2657
2658 discard_packet:
2659 av_free_packet(&pkt);
2660
2661 /* dump report by using the output first video and audio streams */
2662 print_report(output_files, ost_table, nb_ostreams, 0);
2663 }
2664
2665 /* at the end of stream, we must flush the decoder buffers */
2666 for (i = 0; i < nb_input_streams; i++) {
2667 ist = &input_streams[i];
2668 if (ist->decoding_needed) {
2669 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2670 }
2671 }
2672
2673 term_exit();
2674
2675 /* write the trailer if needed and close file */
2676 for(i=0;i<nb_output_files;i++) {
2677 os = output_files[i];
2678 av_write_trailer(os);
2679 }
2680
2681 /* dump report by using the first video and audio streams */
2682 print_report(output_files, ost_table, nb_ostreams, 1);
2683
2684 /* close each encoder */
2685 for(i=0;i<nb_ostreams;i++) {
2686 ost = ost_table[i];
2687 if (ost->encoding_needed) {
2688 av_freep(&ost->st->codec->stats_in);
2689 avcodec_close(ost->st->codec);
2690 }
2691 #if CONFIG_AVFILTER
2692 avfilter_graph_free(&ost->graph);
2693 #endif
2694 }
2695
2696 /* close each decoder */
2697 for (i = 0; i < nb_input_streams; i++) {
2698 ist = &input_streams[i];
2699 if (ist->decoding_needed) {
2700 avcodec_close(ist->st->codec);
2701 }
2702 }
2703
2704 /* finished ! */
2705 ret = 0;
2706
2707 fail:
2708 av_freep(&bit_buffer);
2709
2710 if (ost_table) {
2711 for(i=0;i<nb_ostreams;i++) {
2712 ost = ost_table[i];
2713 if (ost) {
2714 if (ost->st->stream_copy)
2715 av_freep(&ost->st->codec->extradata);
2716 if (ost->logfile) {
2717 fclose(ost->logfile);
2718 ost->logfile = NULL;
2719 }
2720 av_fifo_free(ost->fifo); /* works even if fifo is not
2721 initialized but set to zero */
2722 av_freep(&ost->st->codec->subtitle_header);
2723 av_free(ost->pict_tmp.data[0]);
2724 av_free(ost->forced_kf_pts);
2725 if (ost->video_resample)
2726 sws_freeContext(ost->img_resample_ctx);
2727 if (ost->resample)
2728 audio_resample_close(ost->resample);
2729 if (ost->reformat_ctx)
2730 av_audio_convert_free(ost->reformat_ctx);
2731 av_dict_free(&ost->opts);
2732 av_free(ost);
2733 }
2734 }
2735 av_free(ost_table);
2736 }
2737 return ret;
2738 }
2739
2740 static int opt_format(const char *opt, const char *arg)
2741 {
2742 last_asked_format = arg;
2743 return 0;
2744 }
2745
2746 static int opt_video_rc_override_string(const char *opt, const char *arg)
2747 {
2748 video_rc_override_string = arg;
2749 return 0;
2750 }
2751
2752 static int opt_me_threshold(const char *opt, const char *arg)
2753 {
2754 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2755 return 0;
2756 }
2757
2758 static int opt_verbose(const char *opt, const char *arg)
2759 {
2760 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2761 return 0;
2762 }
2763
2764 static int opt_frame_rate(const char *opt, const char *arg)
2765 {
2766 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2767 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2768 exit_program(1);
2769 }
2770 return 0;
2771 }
2772
2773 static int opt_frame_crop(const char *opt, const char *arg)
2774 {
2775 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2776 return AVERROR(EINVAL);
2777 }
2778
2779 static int opt_frame_size(const char *opt, const char *arg)
2780 {
2781 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2782 fprintf(stderr, "Incorrect frame size\n");
2783 return AVERROR(EINVAL);
2784 }
2785 return 0;
2786 }
2787
2788 static int opt_pad(const char *opt, const char *arg) {
2789 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2790 return -1;
2791 }
2792
2793 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2794 {
2795 if (strcmp(arg, "list")) {
2796 frame_pix_fmt = av_get_pix_fmt(arg);
2797 if (frame_pix_fmt == PIX_FMT_NONE) {
2798 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2799 return AVERROR(EINVAL);
2800 }
2801 } else {
2802 show_pix_fmts();
2803 exit_program(0);
2804 }
2805 return 0;
2806 }
2807
2808 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2809 {
2810 int x = 0, y = 0;
2811 double ar = 0;
2812 const char *p;
2813 char *end;
2814
2815 p = strchr(arg, ':');
2816 if (p) {
2817 x = strtol(arg, &end, 10);
2818 if (end == p)
2819 y = strtol(end+1, &end, 10);
2820 if (x > 0 && y > 0)
2821 ar = (double)x / (double)y;
2822 } else
2823 ar = strtod(arg, NULL);
2824
2825 if (!ar) {
2826 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2827 return AVERROR(EINVAL);
2828 }
2829 frame_aspect_ratio = ar;
2830 return 0;
2831 }
2832
2833 static int opt_metadata(const char *opt, const char *arg)
2834 {
2835 char *mid= strchr(arg, '=');
2836
2837 if(!mid){
2838 fprintf(stderr, "Missing =\n");
2839 exit_program(1);
2840 }
2841 *mid++= 0;
2842
2843 av_dict_set(&metadata, arg, mid, 0);
2844
2845 return 0;
2846 }
2847
2848 static int opt_qscale(const char *opt, const char *arg)
2849 {
2850 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2851 if (video_qscale == 0) {
2852 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2853 return AVERROR(EINVAL);
2854 }
2855 return 0;
2856 }
2857
2858 static int opt_top_field_first(const char *opt, const char *arg)
2859 {
2860 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2861 return 0;
2862 }
2863
2864 static int opt_thread_count(const char *opt, const char *arg)
2865 {
2866 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2867 #if !HAVE_THREADS
2868 if (verbose >= 0)
2869 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2870 #endif
2871 return 0;
2872 }
2873
2874 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2875 {
2876 if (strcmp(arg, "list")) {
2877 audio_sample_fmt = av_get_sample_fmt(arg);
2878 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2879 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2880 return AVERROR(EINVAL);
2881 }
2882 } else {
2883 int i;
2884 char fmt_str[128];
2885 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2886 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2887 exit_program(0);
2888 }
2889 return 0;
2890 }
2891
2892 static int opt_audio_rate(const char *opt, const char *arg)
2893 {
2894 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2895 return 0;
2896 }
2897
2898 static int opt_audio_channels(const char *opt, const char *arg)
2899 {
2900 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2901 return 0;
2902 }
2903
2904 static int opt_video_channel(const char *opt, const char *arg)
2905 {
2906 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
2907 opt_default("channel", arg);
2908 return 0;
2909 }
2910
2911 static int opt_video_standard(const char *opt, const char *arg)
2912 {
2913 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
2914 opt_default("standard", arg);
2915 return 0;
2916 }
2917
2918 static int opt_codec(int *pstream_copy, char **pcodec_name,
2919 int codec_type, const char *arg)
2920 {
2921 av_freep(pcodec_name);
2922 if (!strcmp(arg, "copy")) {
2923 *pstream_copy = 1;
2924 } else {
2925 *pcodec_name = av_strdup(arg);
2926 }
2927 return 0;
2928 }
2929
2930 static int opt_audio_codec(const char *opt, const char *arg)
2931 {
2932 return opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
2933 }
2934
2935 static int opt_video_codec(const char *opt, const char *arg)
2936 {
2937 return opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
2938 }
2939
2940 static int opt_subtitle_codec(const char *opt, const char *arg)
2941 {
2942 return opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
2943 }
2944
2945 static int opt_data_codec(const char *opt, const char *arg)
2946 {
2947 return opt_codec(&data_stream_copy, &data_codec_name, AVMEDIA_TYPE_DATA, arg);
2948 }
2949
2950 static int opt_codec_tag(const char *opt, const char *arg)
2951 {
2952 char *tail;
2953 uint32_t *codec_tag;
2954
2955 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2956 !strcmp(opt, "vtag") ? &video_codec_tag :
2957 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2958 if (!codec_tag)
2959 return -1;
2960
2961 *codec_tag = strtol(arg, &tail, 0);
2962 if (!tail || *tail)
2963 *codec_tag = AV_RL32(arg);
2964
2965 return 0;
2966 }
2967
2968 static int opt_map(const char *opt, const char *arg)
2969 {
2970 StreamMap *m;
2971 char *p;
2972
2973 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2974 m = &stream_maps[nb_stream_maps-1];
2975
2976 m->file_index = strtol(arg, &p, 0);
2977 if (*p)
2978 p++;
2979
2980 m->stream_index = strtol(p, &p, 0);
2981 if (*p) {
2982 p++;
2983 m->sync_file_index = strtol(p, &p, 0);
2984 if (*p)
2985 p++;
2986 m->sync_stream_index = strtol(p, &p, 0);
2987 } else {
2988 m->sync_file_index = m->file_index;
2989 m->sync_stream_index = m->stream_index;
2990 }
2991 return 0;
2992 }
2993
2994 static void parse_meta_type(char *arg, char *type, int *index, char **endptr)
2995 {
2996 *endptr = arg;
2997 if (*arg == ',') {
2998 *type = *(++arg);
2999 switch (*arg) {
3000 case 'g':
3001 break;
3002 case 's':
3003 case 'c':
3004 case 'p':
3005 *index = strtol(++arg, endptr, 0);
3006 break;
3007 default:
3008 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
3009 exit_program(1);
3010 }
3011 } else
3012 *type = 'g';
3013 }
3014
3015 static int opt_map_metadata(const char *opt, const char *arg)
3016 {
3017 MetadataMap *m, *m1;
3018 char *p;
3019
3020 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
3021 &nb_meta_data_maps, nb_meta_data_maps + 1);
3022
3023 m = &meta_data_maps[nb_meta_data_maps - 1][0];
3024 m->file = strtol(arg, &p, 0);
3025 parse_meta_type(p, &m->type, &m->index, &p);
3026 if (*p)
3027 p++;
3028
3029 m1 = &meta_data_maps[nb_meta_data_maps - 1][1];
3030 m1->file = strtol(p, &p, 0);
3031 parse_meta_type(p, &m1->type, &m1->index, &p);
3032
3033 if (m->type == 'g' || m1->type == 'g')
3034 metadata_global_autocopy = 0;
3035 if (m->type == 's' || m1->type == 's')
3036 metadata_streams_autocopy = 0;
3037 if (m->type == 'c' || m1->type == 'c')
3038 metadata_chapters_autocopy = 0;
3039
3040 return 0;
3041 }
3042
3043 static int opt_map_meta_data(const char *opt, const char *arg)
3044 {
3045 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
3046 "Use -map_metadata instead.\n");
3047 return opt_map_metadata(opt, arg);
3048 }
3049
3050 static int opt_map_chapters(const char *opt, const char *arg)
3051 {
3052 ChapterMap *c;
3053 char *p;
3054
3055 chapter_maps = grow_array(chapter_maps, sizeof(*chapter_maps), &nb_chapter_maps,
3056 nb_chapter_maps + 1);
3057 c = &chapter_maps[nb_chapter_maps - 1];
3058 c->out_file = strtol(arg, &p, 0);
3059 if (*p)
3060 p++;
3061
3062 c->in_file = strtol(p, &p, 0);
3063 return 0;
3064 }
3065
3066 static int opt_input_ts_scale(const char *opt, const char *arg)
3067 {
3068 unsigned int stream;
3069 double scale;
3070 char *p;
3071
3072 stream = strtol(arg, &p, 0);
3073 if (*p)
3074 p++;
3075 scale= strtod(p, &p);
3076
3077 ts_scale = grow_array(ts_scale, sizeof(*ts_scale), &nb_ts_scale, stream + 1);
3078 ts_scale[stream] = scale;
3079 return 0;
3080 }
3081
3082 static int opt_recording_time(const char *opt, const char *arg)
3083 {
3084 recording_time = parse_time_or_die(opt, arg, 1);
3085 return 0;
3086 }
3087
3088 static int opt_start_time(const char *opt, const char *arg)
3089 {
3090 start_time = parse_time_or_die(opt, arg, 1);
3091 return 0;
3092 }
3093
3094 static int opt_recording_timestamp(const char *opt, const char *arg)
3095 {
3096 char buf[128];
3097 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
3098 struct tm time = *gmtime((time_t*)&recording_timestamp);
3099 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
3100 opt_metadata("metadata", buf);
3101
3102 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
3103 "tag instead.\n", opt);
3104 return 0;
3105 }
3106
3107 static int opt_input_ts_offset(const char *opt, const char *arg)
3108 {
3109 input_ts_offset = parse_time_or_die(opt, arg, 1);
3110 return 0;
3111 }
3112
3113 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
3114 {
3115 const char *codec_string = encoder ? "encoder" : "decoder";
3116 AVCodec *codec;
3117
3118 if(!name)
3119 return CODEC_ID_NONE;
3120 codec = encoder ?
3121 avcodec_find_encoder_by_name(name) :
3122 avcodec_find_decoder_by_name(name);
3123 if(!codec) {
3124 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3125 exit_program(1);
3126 }
3127 if(codec->type != type) {
3128 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3129 exit_program(1);
3130 }
3131 return codec->id;
3132 }
3133
3134 static int opt_input_file(const char *opt, const char *filename)
3135 {
3136 AVFormatContext *ic;
3137 AVInputFormat *file_iformat = NULL;
3138 int err, i, ret, rfps, rfps_base;
3139 int64_t timestamp;
3140 uint8_t buf[128];
3141 AVDictionary **opts;
3142 int orig_nb_streams; // number of streams before avformat_find_stream_info
3143
3144 if (last_asked_format) {
3145 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3146 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3147 exit_program(1);
3148 }
3149 last_asked_format = NULL;
3150 }
3151
3152 if (!strcmp(filename, "-"))
3153 filename = "pipe:";
3154
3155 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3156 !strcmp(filename, "/dev/stdin");
3157
3158 /* get default parameters from command line */
3159 ic = avformat_alloc_context();
3160 if (!ic) {
3161 print_error(filename, AVERROR(ENOMEM));
3162 exit_program(1);
3163 }
3164 if (audio_sample_rate) {
3165 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3166 av_dict