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