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