e72d090b06598ea4075071156f4dd137d65c6bcb
[libav.git] / avconv.c
1 /*
2 * avconv main
3 * Copyright (c) 2000-2011 The libav developers.
4 *
5 * This file is part of Libav.
6 *
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #include "config.h"
23 #include <ctype.h>
24 #include <string.h>
25 #include <math.h>
26 #include <stdlib.h>
27 #include <errno.h>
28 #include <signal.h>
29 #include <limits.h>
30 #include <unistd.h>
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavformat/os_support.h"
48
49 #if CONFIG_AVFILTER
50 # include "libavfilter/avfilter.h"
51 # include "libavfilter/avfiltergraph.h"
52 # include "libavfilter/vsrc_buffer.h"
53 #endif
54
55 #if HAVE_SYS_RESOURCE_H
56 #include <sys/types.h>
57 #include <sys/time.h>
58 #include <sys/resource.h>
59 #elif HAVE_GETPROCESSTIMES
60 #include <windows.h>
61 #endif
62 #if HAVE_GETPROCESSMEMORYINFO
63 #include <windows.h>
64 #include <psapi.h>
65 #endif
66
67 #if HAVE_SYS_SELECT_H
68 #include <sys/select.h>
69 #endif
70
71 #include <time.h>
72
73 #include "cmdutils.h"
74
75 #include "libavutil/avassert.h"
76
77 const char program_name[] = "avconv";
78 const int program_birth_year = 2000;
79
80 /* select an input stream for an output stream */
81 typedef struct StreamMap {
82 int disabled; /** 1 is this mapping is disabled by a negative map */
83 int file_index;
84 int stream_index;
85 int sync_file_index;
86 int sync_stream_index;
87 } StreamMap;
88
89 /**
90 * select an input file for an output file
91 */
92 typedef struct MetadataMap {
93 int file; ///< file index
94 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
95 int index; ///< stream/chapter/program number
96 } MetadataMap;
97
98 static const OptionDef options[];
99
100 /* indexed by output file stream index */
101 static int *streamid_map = NULL;
102 static int nb_streamid_map = 0;
103
104 static int frame_width = 0;
105 static int frame_height = 0;
106 static float frame_aspect_ratio = 0;
107 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
108 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
109 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
110 static AVRational frame_rate;
111 static float video_qscale = 0;
112 static uint16_t *intra_matrix = NULL;
113 static uint16_t *inter_matrix = NULL;
114 static const char *video_rc_override_string=NULL;
115 static int video_disable = 0;
116 static int video_discard = 0;
117 static unsigned int video_codec_tag = 0;
118 static char *video_language = NULL;
119 static int same_quant = 0;
120 static int do_deinterlace = 0;
121 static int top_field_first = -1;
122 static int me_threshold = 0;
123 static int intra_dc_precision = 8;
124 static int qp_hist = 0;
125 #if CONFIG_AVFILTER
126 static char *vfilters = NULL;
127 #endif
128
129 static int audio_sample_rate = 0;
130 #define QSCALE_NONE -99999
131 static float audio_qscale = QSCALE_NONE;
132 static int audio_disable = 0;
133 static int audio_channels = 0;
134 static unsigned int audio_codec_tag = 0;
135 static char *audio_language = NULL;
136
137 static int subtitle_disable = 0;
138 static char *subtitle_language = NULL;
139 static unsigned int subtitle_codec_tag = 0;
140
141 static int data_disable = 0;
142 static unsigned int data_codec_tag = 0;
143
144 static float mux_preload= 0.5;
145 static float mux_max_delay= 0.7;
146
147 static int file_overwrite = 0;
148 static AVDictionary *metadata;
149 static int do_benchmark = 0;
150 static int do_hex_dump = 0;
151 static int do_pkt_dump = 0;
152 static int do_psnr = 0;
153 static int do_pass = 0;
154 static char *pass_logfilename_prefix = NULL;
155 static int video_sync_method= -1;
156 static int audio_sync_method= 0;
157 static float audio_drift_threshold= 0.1;
158 static int copy_ts= 0;
159 static int copy_tb;
160 static int opt_shortest = 0;
161 static char *vstats_filename;
162 static FILE *vstats_file;
163 static int opt_programid = 0;
164 static int copy_initial_nonkeyframes = 0;
165
166 static int rate_emu = 0;
167
168 static int audio_volume = 256;
169
170 static int exit_on_error = 0;
171 static int using_stdin = 0;
172 static int verbose = 1;
173 static int64_t video_size = 0;
174 static int64_t audio_size = 0;
175 static int64_t extra_size = 0;
176 static int nb_frames_dup = 0;
177 static int nb_frames_drop = 0;
178 static int input_sync;
179 static int force_fps = 0;
180 static char *forced_key_frames = NULL;
181
182 static float dts_delta_threshold = 10;
183
184 static uint8_t *audio_buf;
185 static uint8_t *audio_out;
186 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
187
188 static short *samples;
189
190 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
191 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
192 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
193
194 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
195
196 typedef struct InputStream {
197 int file_index;
198 AVStream *st;
199 int discard; /* true if stream data should be discarded */
200 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
201 AVCodec *dec;
202
203 int64_t start; /* time when read started */
204 int64_t next_pts; /* synthetic pts for cases where pkt.pts
205 is not defined */
206 int64_t pts; /* current pts */
207 PtsCorrectionContext pts_ctx;
208 double ts_scale;
209 int is_start; /* is 1 at the start and after a discontinuity */
210 int showed_multi_packet_warning;
211 AVDictionary *opts;
212 } InputStream;
213
214 typedef struct InputFile {
215 AVFormatContext *ctx;
216 int eof_reached; /* true if eof reached */
217 int ist_index; /* index of first stream in ist_table */
218 int buffer_size; /* current total buffer size */
219 int64_t ts_offset;
220 int nb_streams; /* number of stream that avconv is aware of; may be different
221 from ctx.nb_streams if new streams appear during av_read_frame() */
222 } InputFile;
223
224 typedef struct OutputStream {
225 int file_index; /* file index */
226 int index; /* stream index in the output file */
227 int source_index; /* InputStream index */
228 AVStream *st; /* stream in the output file */
229 int encoding_needed; /* true if encoding needed for this stream */
230 int frame_number;
231 /* input pts and corresponding output pts
232 for A/V sync */
233 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
234 struct InputStream *sync_ist; /* input stream to sync against */
235 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
236 AVBitStreamFilterContext *bitstream_filters;
237 AVCodec *enc;
238
239 /* video only */
240 int video_resample;
241 AVFrame pict_tmp; /* temporary image for resampling */
242 struct SwsContext *img_resample_ctx; /* for image resampling */
243 int resample_height;
244 int resample_width;
245 int resample_pix_fmt;
246 AVRational frame_rate;
247
248 float frame_aspect_ratio;
249
250 /* forced key frames */
251 int64_t *forced_kf_pts;
252 int forced_kf_count;
253 int forced_kf_index;
254
255 /* audio only */
256 int audio_resample;
257 ReSampleContext *resample; /* for audio resampling */
258 int resample_sample_fmt;
259 int resample_channels;
260 int resample_sample_rate;
261 int reformat_pair;
262 AVAudioConvert *reformat_ctx;
263 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
264 FILE *logfile;
265
266 #if CONFIG_AVFILTER
267 AVFilterContext *output_video_filter;
268 AVFilterContext *input_video_filter;
269 AVFilterBufferRef *picref;
270 char *avfilter;
271 AVFilterGraph *graph;
272 #endif
273
274 int sws_flags;
275 AVDictionary *opts;
276 int is_past_recording_time;
277 } OutputStream;
278
279
280 typedef struct OutputFile {
281 AVFormatContext *ctx;
282 AVDictionary *opts;
283 int ost_index; /* index of the first stream in output_streams */
284 int64_t recording_time; /* desired length of the resulting file in microseconds */
285 int64_t start_time; /* start time in microseconds */
286 uint64_t limit_filesize;
287 } OutputFile;
288
289 static InputStream *input_streams = NULL;
290 static int nb_input_streams = 0;
291 static InputFile *input_files = NULL;
292 static int nb_input_files = 0;
293
294 static OutputStream *output_streams = NULL;
295 static int nb_output_streams = 0;
296 static OutputFile *output_files = NULL;
297 static int nb_output_files = 0;
298
299 typedef struct OptionsContext {
300 /* input/output options */
301 int64_t start_time;
302 const char *format;
303
304 SpecifierOpt *codec_names;
305 int nb_codec_names;
306
307 /* input options */
308 int64_t input_ts_offset;
309
310 SpecifierOpt *ts_scale;
311 int nb_ts_scale;
312
313 /* output options */
314 StreamMap *stream_maps;
315 int nb_stream_maps;
316 /* first item specifies output metadata, second is input */
317 MetadataMap (*meta_data_maps)[2];
318 int nb_meta_data_maps;
319 int metadata_global_manual;
320 int metadata_streams_manual;
321 int metadata_chapters_manual;
322
323 int chapters_input_file;
324
325 int64_t recording_time;
326 uint64_t limit_filesize;
327 } OptionsContext;
328
329 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
330 {\
331 int i, ret;\
332 for (i = 0; i < o->nb_ ## name; i++) {\
333 char *spec = o->name[i].specifier;\
334 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
335 outvar = o->name[i].u.type;\
336 else if (ret < 0)\
337 exit_program(1);\
338 }\
339 }
340
341 static void reset_options(OptionsContext *o)
342 {
343 const OptionDef *po = options;
344
345 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
346 while (po->name) {
347 void *dst = (uint8_t*)o + po->u.off;
348
349 if (po->flags & OPT_SPEC) {
350 SpecifierOpt **so = dst;
351 int i, *count = (int*)(so + 1);
352 for (i = 0; i < *count; i++) {
353 av_freep(&(*so)[i].specifier);
354 if (po->flags & OPT_STRING)
355 av_freep(&(*so)[i].u.str);
356 }
357 av_freep(so);
358 *count = 0;
359 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
360 av_freep(dst);
361 po++;
362 }
363
364 av_freep(&o->stream_maps);
365 av_freep(&o->meta_data_maps);
366
367 memset(o, 0, sizeof(*o));
368
369 o->recording_time = INT64_MAX;
370 o->limit_filesize = UINT64_MAX;
371 o->chapters_input_file = INT_MAX;
372
373 uninit_opts();
374 init_opts();
375 }
376
377 #if CONFIG_AVFILTER
378
379 static int configure_video_filters(InputStream *ist, OutputStream *ost)
380 {
381 AVFilterContext *last_filter, *filter;
382 /** filter graph containing all filters including input & output */
383 AVCodecContext *codec = ost->st->codec;
384 AVCodecContext *icodec = ist->st->codec;
385 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
386 AVRational sample_aspect_ratio;
387 char args[255];
388 int ret;
389
390 ost->graph = avfilter_graph_alloc();
391
392 if (ist->st->sample_aspect_ratio.num){
393 sample_aspect_ratio = ist->st->sample_aspect_ratio;
394 }else
395 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
396
397 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
398 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
399 sample_aspect_ratio.num, sample_aspect_ratio.den);
400
401 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
402 "src", args, NULL, ost->graph);
403 if (ret < 0)
404 return ret;
405 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
406 "out", NULL, &ffsink_ctx, ost->graph);
407 if (ret < 0)
408 return ret;
409 last_filter = ost->input_video_filter;
410
411 if (codec->width != icodec->width || codec->height != icodec->height) {
412 snprintf(args, 255, "%d:%d:flags=0x%X",
413 codec->width,
414 codec->height,
415 ost->sws_flags);
416 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
417 NULL, args, NULL, ost->graph)) < 0)
418 return ret;
419 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
420 return ret;
421 last_filter = filter;
422 }
423
424 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
425 ost->graph->scale_sws_opts = av_strdup(args);
426
427 if (ost->avfilter) {
428 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
429 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
430
431 outputs->name = av_strdup("in");
432 outputs->filter_ctx = last_filter;
433 outputs->pad_idx = 0;
434 outputs->next = NULL;
435
436 inputs->name = av_strdup("out");
437 inputs->filter_ctx = ost->output_video_filter;
438 inputs->pad_idx = 0;
439 inputs->next = NULL;
440
441 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
442 return ret;
443 av_freep(&ost->avfilter);
444 } else {
445 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
446 return ret;
447 }
448
449 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
450 return ret;
451
452 codec->width = ost->output_video_filter->inputs[0]->w;
453 codec->height = ost->output_video_filter->inputs[0]->h;
454 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
455 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
456 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
457 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
458
459 return 0;
460 }
461 #endif /* CONFIG_AVFILTER */
462
463 static void term_exit(void)
464 {
465 av_log(NULL, AV_LOG_QUIET, "");
466 }
467
468 static volatile int received_sigterm = 0;
469 static volatile int received_nb_signals = 0;
470
471 static void
472 sigterm_handler(int sig)
473 {
474 received_sigterm = sig;
475 received_nb_signals++;
476 term_exit();
477 }
478
479 static void term_init(void)
480 {
481 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
482 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
483 #ifdef SIGXCPU
484 signal(SIGXCPU, sigterm_handler);
485 #endif
486 }
487
488 static int decode_interrupt_cb(void)
489 {
490 return received_nb_signals > 1;
491 }
492
493 void exit_program(int ret)
494 {
495 int i;
496
497 /* close files */
498 for(i=0;i<nb_output_files;i++) {
499 AVFormatContext *s = output_files[i].ctx;
500 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
501 avio_close(s->pb);
502 avformat_free_context(s);
503 av_dict_free(&output_files[i].opts);
504 }
505 for(i=0;i<nb_input_files;i++) {
506 av_close_input_file(input_files[i].ctx);
507 }
508 for (i = 0; i < nb_input_streams; i++)
509 av_dict_free(&input_streams[i].opts);
510
511 av_free(intra_matrix);
512 av_free(inter_matrix);
513
514 if (vstats_file)
515 fclose(vstats_file);
516 av_free(vstats_filename);
517
518 av_freep(&input_streams);
519 av_freep(&input_files);
520 av_freep(&output_streams);
521 av_freep(&output_files);
522
523 uninit_opts();
524 av_free(audio_buf);
525 av_free(audio_out);
526 allocated_audio_buf_size= allocated_audio_out_size= 0;
527 av_free(samples);
528
529 #if CONFIG_AVFILTER
530 avfilter_uninit();
531 #endif
532
533 if (received_sigterm) {
534 fprintf(stderr,
535 "Received signal %d: terminating.\n",
536 (int) received_sigterm);
537 exit (255);
538 }
539
540 exit(ret); /* not all OS-es handle main() return value */
541 }
542
543 static void assert_avoptions(AVDictionary *m)
544 {
545 AVDictionaryEntry *t;
546 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
547 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
548 exit_program(1);
549 }
550 }
551
552 static void assert_codec_experimental(AVCodecContext *c, int encoder)
553 {
554 const char *codec_string = encoder ? "encoder" : "decoder";
555 AVCodec *codec;
556 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
557 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
558 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
559 "results.\nAdd '-strict experimental' if you want to use it.\n",
560 codec_string, c->codec->name);
561 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
562 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
563 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
564 codec_string, codec->name);
565 exit_program(1);
566 }
567 }
568
569 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
570 {
571 if(codec && codec->sample_fmts){
572 const enum AVSampleFormat *p= codec->sample_fmts;
573 for(; *p!=-1; p++){
574 if(*p == st->codec->sample_fmt)
575 break;
576 }
577 if (*p == -1) {
578 av_log(NULL, AV_LOG_WARNING,
579 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
580 av_get_sample_fmt_name(st->codec->sample_fmt),
581 codec->name,
582 av_get_sample_fmt_name(codec->sample_fmts[0]));
583 st->codec->sample_fmt = codec->sample_fmts[0];
584 }
585 }
586 }
587
588 /**
589 * Update the requested input sample format based on the output sample format.
590 * This is currently only used to request float output from decoders which
591 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
592 * Ideally this will be removed in the future when decoders do not do format
593 * conversion and only output in their native format.
594 */
595 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
596 AVCodecContext *enc)
597 {
598 /* if sample formats match or a decoder sample format has already been
599 requested, just return */
600 if (enc->sample_fmt == dec->sample_fmt ||
601 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
602 return;
603
604 /* if decoder supports more than one output format */
605 if (dec_codec && dec_codec->sample_fmts &&
606 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
607 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
608 const enum AVSampleFormat *p;
609 int min_dec = -1, min_inc = -1;
610
611 /* find a matching sample format in the encoder */
612 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
613 if (*p == enc->sample_fmt) {
614 dec->request_sample_fmt = *p;
615 return;
616 } else if (*p > enc->sample_fmt) {
617 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
618 } else
619 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
620 }
621
622 /* if none match, provide the one that matches quality closest */
623 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
624 enc->sample_fmt - min_dec;
625 }
626 }
627
628 static void choose_sample_rate(AVStream *st, AVCodec *codec)
629 {
630 if(codec && codec->supported_samplerates){
631 const int *p= codec->supported_samplerates;
632 int best=0;
633 int best_dist=INT_MAX;
634 for(; *p; p++){
635 int dist= abs(st->codec->sample_rate - *p);
636 if(dist < best_dist){
637 best_dist= dist;
638 best= *p;
639 }
640 }
641 if(best_dist){
642 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
643 }
644 st->codec->sample_rate= best;
645 }
646 }
647
648 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
649 {
650 if(codec && codec->pix_fmts){
651 const enum PixelFormat *p= codec->pix_fmts;
652 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
653 if(st->codec->codec_id==CODEC_ID_MJPEG){
654 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
655 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
656 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};
657 }
658 }
659 for(; *p!=-1; p++){
660 if(*p == st->codec->pix_fmt)
661 break;
662 }
663 if (*p == -1) {
664 if(st->codec->pix_fmt != PIX_FMT_NONE)
665 av_log(NULL, AV_LOG_WARNING,
666 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
667 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
668 codec->name,
669 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
670 st->codec->pix_fmt = codec->pix_fmts[0];
671 }
672 }
673 }
674
675 static double
676 get_sync_ipts(const OutputStream *ost)
677 {
678 const InputStream *ist = ost->sync_ist;
679 OutputFile *of = &output_files[ost->file_index];
680 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
681 }
682
683 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
684 int ret;
685
686 while(bsfc){
687 AVPacket new_pkt= *pkt;
688 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
689 &new_pkt.data, &new_pkt.size,
690 pkt->data, pkt->size,
691 pkt->flags & AV_PKT_FLAG_KEY);
692 if(a>0){
693 av_free_packet(pkt);
694 new_pkt.destruct= av_destruct_packet;
695 } else if(a<0){
696 fprintf(stderr, "%s failed for stream %d, codec %s",
697 bsfc->filter->name, pkt->stream_index,
698 avctx->codec ? avctx->codec->name : "copy");
699 print_error("", a);
700 if (exit_on_error)
701 exit_program(1);
702 }
703 *pkt= new_pkt;
704
705 bsfc= bsfc->next;
706 }
707
708 ret= av_interleaved_write_frame(s, pkt);
709 if(ret < 0){
710 print_error("av_interleaved_write_frame()", ret);
711 exit_program(1);
712 }
713 }
714
715 static void do_audio_out(AVFormatContext *s,
716 OutputStream *ost,
717 InputStream *ist,
718 unsigned char *buf, int size)
719 {
720 uint8_t *buftmp;
721 int64_t audio_out_size, audio_buf_size;
722 int64_t allocated_for_size= size;
723
724 int size_out, frame_bytes, ret, resample_changed;
725 AVCodecContext *enc= ost->st->codec;
726 AVCodecContext *dec= ist->st->codec;
727 int osize = av_get_bytes_per_sample(enc->sample_fmt);
728 int isize = av_get_bytes_per_sample(dec->sample_fmt);
729 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
730
731 need_realloc:
732 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
733 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
734 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
735 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
736 audio_buf_size*= osize*enc->channels;
737
738 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
739 if(coded_bps > 8*osize)
740 audio_out_size= audio_out_size * coded_bps / (8*osize);
741 audio_out_size += FF_MIN_BUFFER_SIZE;
742
743 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
744 fprintf(stderr, "Buffer sizes too large\n");
745 exit_program(1);
746 }
747
748 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
749 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
750 if (!audio_buf || !audio_out){
751 fprintf(stderr, "Out of memory in do_audio_out\n");
752 exit_program(1);
753 }
754
755 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
756 ost->audio_resample = 1;
757
758 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
759 ost->resample_channels != dec->channels ||
760 ost->resample_sample_rate != dec->sample_rate;
761
762 if ((ost->audio_resample && !ost->resample) || resample_changed) {
763 if (resample_changed) {
764 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",
765 ist->file_index, ist->st->index,
766 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
767 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
768 ost->resample_sample_fmt = dec->sample_fmt;
769 ost->resample_channels = dec->channels;
770 ost->resample_sample_rate = dec->sample_rate;
771 if (ost->resample)
772 audio_resample_close(ost->resample);
773 }
774 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
775 if (audio_sync_method <= 1 &&
776 ost->resample_sample_fmt == enc->sample_fmt &&
777 ost->resample_channels == enc->channels &&
778 ost->resample_sample_rate == enc->sample_rate) {
779 ost->resample = NULL;
780 ost->audio_resample = 0;
781 } else if (ost->audio_resample) {
782 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
783 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
784 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
785 enc->sample_rate, dec->sample_rate,
786 enc->sample_fmt, dec->sample_fmt,
787 16, 10, 0, 0.8);
788 if (!ost->resample) {
789 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
790 dec->channels, dec->sample_rate,
791 enc->channels, enc->sample_rate);
792 exit_program(1);
793 }
794 }
795 }
796
797 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
798 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
799 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
800 if (ost->reformat_ctx)
801 av_audio_convert_free(ost->reformat_ctx);
802 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
803 dec->sample_fmt, 1, NULL, 0);
804 if (!ost->reformat_ctx) {
805 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
806 av_get_sample_fmt_name(dec->sample_fmt),
807 av_get_sample_fmt_name(enc->sample_fmt));
808 exit_program(1);
809 }
810 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
811 }
812
813 if(audio_sync_method){
814 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
815 - av_fifo_size(ost->fifo)/(enc->channels * 2);
816 double idelta= delta*dec->sample_rate / enc->sample_rate;
817 int byte_delta= ((int)idelta)*2*dec->channels;
818
819 //FIXME resample delay
820 if(fabs(delta) > 50){
821 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
822 if(byte_delta < 0){
823 byte_delta= FFMAX(byte_delta, -size);
824 size += byte_delta;
825 buf -= byte_delta;
826 if(verbose > 2)
827 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
828 if(!size)
829 return;
830 ist->is_start=0;
831 }else{
832 static uint8_t *input_tmp= NULL;
833 input_tmp= av_realloc(input_tmp, byte_delta + size);
834
835 if(byte_delta > allocated_for_size - size){
836 allocated_for_size= byte_delta + (int64_t)size;
837 goto need_realloc;
838 }
839 ist->is_start=0;
840
841 memset(input_tmp, 0, byte_delta);
842 memcpy(input_tmp + byte_delta, buf, size);
843 buf= input_tmp;
844 size += byte_delta;
845 if(verbose > 2)
846 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
847 }
848 }else if(audio_sync_method>1){
849 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
850 av_assert0(ost->audio_resample);
851 if(verbose > 2)
852 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
853 // 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));
854 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
855 }
856 }
857 }else
858 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
859 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
860
861 if (ost->audio_resample) {
862 buftmp = audio_buf;
863 size_out = audio_resample(ost->resample,
864 (short *)buftmp, (short *)buf,
865 size / (dec->channels * isize));
866 size_out = size_out * enc->channels * osize;
867 } else {
868 buftmp = buf;
869 size_out = size;
870 }
871
872 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
873 const void *ibuf[6]= {buftmp};
874 void *obuf[6]= {audio_buf};
875 int istride[6]= {isize};
876 int ostride[6]= {osize};
877 int len= size_out/istride[0];
878 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
879 printf("av_audio_convert() failed\n");
880 if (exit_on_error)
881 exit_program(1);
882 return;
883 }
884 buftmp = audio_buf;
885 size_out = len*osize;
886 }
887
888 /* now encode as many frames as possible */
889 if (enc->frame_size > 1) {
890 /* output resampled raw samples */
891 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
892 fprintf(stderr, "av_fifo_realloc2() failed\n");
893 exit_program(1);
894 }
895 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
896
897 frame_bytes = enc->frame_size * osize * enc->channels;
898
899 while (av_fifo_size(ost->fifo) >= frame_bytes) {
900 AVPacket pkt;
901 av_init_packet(&pkt);
902
903 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
904
905 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
906
907 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
908 (short *)audio_buf);
909 if (ret < 0) {
910 fprintf(stderr, "Audio encoding failed\n");
911 exit_program(1);
912 }
913 audio_size += ret;
914 pkt.stream_index= ost->index;
915 pkt.data= audio_out;
916 pkt.size= ret;
917 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
918 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
919 pkt.flags |= AV_PKT_FLAG_KEY;
920 write_frame(s, &pkt, enc, ost->bitstream_filters);
921
922 ost->sync_opts += enc->frame_size;
923 }
924 } else {
925 AVPacket pkt;
926 av_init_packet(&pkt);
927
928 ost->sync_opts += size_out / (osize * enc->channels);
929
930 /* output a pcm frame */
931 /* determine the size of the coded buffer */
932 size_out /= osize;
933 if (coded_bps)
934 size_out = size_out*coded_bps/8;
935
936 if(size_out > audio_out_size){
937 fprintf(stderr, "Internal error, buffer size too small\n");
938 exit_program(1);
939 }
940
941 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
942 ret = avcodec_encode_audio(enc, audio_out, size_out,
943 (short *)buftmp);
944 if (ret < 0) {
945 fprintf(stderr, "Audio encoding failed\n");
946 exit_program(1);
947 }
948 audio_size += ret;
949 pkt.stream_index= ost->index;
950 pkt.data= audio_out;
951 pkt.size= ret;
952 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
953 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
954 pkt.flags |= AV_PKT_FLAG_KEY;
955 write_frame(s, &pkt, enc, ost->bitstream_filters);
956 }
957 }
958
959 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
960 {
961 AVCodecContext *dec;
962 AVPicture *picture2;
963 AVPicture picture_tmp;
964 uint8_t *buf = 0;
965
966 dec = ist->st->codec;
967
968 /* deinterlace : must be done before any resize */
969 if (do_deinterlace) {
970 int size;
971
972 /* create temporary picture */
973 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
974 buf = av_malloc(size);
975 if (!buf)
976 return;
977
978 picture2 = &picture_tmp;
979 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
980
981 if(avpicture_deinterlace(picture2, picture,
982 dec->pix_fmt, dec->width, dec->height) < 0) {
983 /* if error, do not deinterlace */
984 fprintf(stderr, "Deinterlacing failed\n");
985 av_free(buf);
986 buf = NULL;
987 picture2 = picture;
988 }
989 } else {
990 picture2 = picture;
991 }
992
993 if (picture != picture2)
994 *picture = *picture2;
995 *bufp = buf;
996 }
997
998 static void do_subtitle_out(AVFormatContext *s,
999 OutputStream *ost,
1000 InputStream *ist,
1001 AVSubtitle *sub,
1002 int64_t pts)
1003 {
1004 static uint8_t *subtitle_out = NULL;
1005 int subtitle_out_max_size = 1024 * 1024;
1006 int subtitle_out_size, nb, i;
1007 AVCodecContext *enc;
1008 AVPacket pkt;
1009
1010 if (pts == AV_NOPTS_VALUE) {
1011 fprintf(stderr, "Subtitle packets must have a pts\n");
1012 if (exit_on_error)
1013 exit_program(1);
1014 return;
1015 }
1016
1017 enc = ost->st->codec;
1018
1019 if (!subtitle_out) {
1020 subtitle_out = av_malloc(subtitle_out_max_size);
1021 }
1022
1023 /* Note: DVB subtitle need one packet to draw them and one other
1024 packet to clear them */
1025 /* XXX: signal it in the codec context ? */
1026 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1027 nb = 2;
1028 else
1029 nb = 1;
1030
1031 for(i = 0; i < nb; i++) {
1032 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1033 // start_display_time is required to be 0
1034 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1035 sub->end_display_time -= sub->start_display_time;
1036 sub->start_display_time = 0;
1037 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1038 subtitle_out_max_size, sub);
1039 if (subtitle_out_size < 0) {
1040 fprintf(stderr, "Subtitle encoding failed\n");
1041 exit_program(1);
1042 }
1043
1044 av_init_packet(&pkt);
1045 pkt.stream_index = ost->index;
1046 pkt.data = subtitle_out;
1047 pkt.size = subtitle_out_size;
1048 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1049 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1050 /* XXX: the pts correction is handled here. Maybe handling
1051 it in the codec would be better */
1052 if (i == 0)
1053 pkt.pts += 90 * sub->start_display_time;
1054 else
1055 pkt.pts += 90 * sub->end_display_time;
1056 }
1057 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1058 }
1059 }
1060
1061 static int bit_buffer_size= 1024*256;
1062 static uint8_t *bit_buffer= NULL;
1063
1064 static void do_video_resample(OutputStream *ost,
1065 InputStream *ist,
1066 AVFrame *in_picture,
1067 AVFrame **out_picture)
1068 {
1069 int resample_changed = 0;
1070 AVCodecContext *dec = ist->st->codec;
1071 *out_picture = in_picture;
1072
1073 resample_changed = ost->resample_width != dec->width ||
1074 ost->resample_height != dec->height ||
1075 ost->resample_pix_fmt != dec->pix_fmt;
1076
1077 if (resample_changed) {
1078 av_log(NULL, AV_LOG_INFO,
1079 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1080 ist->file_index, ist->st->index,
1081 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1082 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1083 if(!ost->video_resample)
1084 ost->video_resample = 1;
1085 }
1086
1087 #if !CONFIG_AVFILTER
1088 if (ost->video_resample) {
1089 *out_picture = &ost->pict_tmp;
1090 if (resample_changed) {
1091 /* initialize a new scaler context */
1092 sws_freeContext(ost->img_resample_ctx);
1093 ost->img_resample_ctx = sws_getContext(
1094 ist->st->codec->width,
1095 ist->st->codec->height,
1096 ist->st->codec->pix_fmt,
1097 ost->st->codec->width,
1098 ost->st->codec->height,
1099 ost->st->codec->pix_fmt,
1100 ost->sws_flags, NULL, NULL, NULL);
1101 if (ost->img_resample_ctx == NULL) {
1102 fprintf(stderr, "Cannot get resampling context\n");
1103 exit_program(1);
1104 }
1105 }
1106 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1107 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1108 }
1109 #else
1110 if (resample_changed) {
1111 avfilter_graph_free(&ost->graph);
1112 if (configure_video_filters(ist, ost)) {
1113 fprintf(stderr, "Error reinitializing filters!\n");
1114 exit_program(1);
1115 }
1116 }
1117 #endif
1118 if (resample_changed) {
1119 ost->resample_width = dec->width;
1120 ost->resample_height = dec->height;
1121 ost->resample_pix_fmt = dec->pix_fmt;
1122 }
1123 }
1124
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, format_video_sync;
1133 AVFrame *final_picture;
1134 AVCodecContext *enc;
1135 double sync_ipts;
1136
1137 enc = ost->st->codec;
1138
1139 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1140
1141 /* by default, we output a single frame */
1142 nb_frames = 1;
1143
1144 *frame_size = 0;
1145
1146 format_video_sync = video_sync_method;
1147 if (format_video_sync < 0)
1148 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1149
1150 if (format_video_sync) {
1151 double vdelta = sync_ipts - ost->sync_opts;
1152 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1153 if (vdelta < -1.1)
1154 nb_frames = 0;
1155 else if (format_video_sync == 2) {
1156 if(vdelta<=-0.6){
1157 nb_frames=0;
1158 }else if(vdelta>0.6)
1159 ost->sync_opts= lrintf(sync_ipts);
1160 }else if (vdelta > 1.1)
1161 nb_frames = lrintf(vdelta);
1162 //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);
1163 if (nb_frames == 0){
1164 ++nb_frames_drop;
1165 if (verbose>2)
1166 fprintf(stderr, "*** drop!\n");
1167 }else if (nb_frames > 1) {
1168 nb_frames_dup += nb_frames - 1;
1169 if (verbose>2)
1170 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1171 }
1172 }else
1173 ost->sync_opts= lrintf(sync_ipts);
1174
1175 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1176 if (nb_frames <= 0)
1177 return;
1178
1179 do_video_resample(ost, ist, in_picture, &final_picture);
1180
1181 /* duplicates frame if needed */
1182 for(i=0;i<nb_frames;i++) {
1183 AVPacket pkt;
1184 av_init_packet(&pkt);
1185 pkt.stream_index= ost->index;
1186
1187 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1188 /* raw pictures are written as AVPicture structure to
1189 avoid any copies. We support temporarily the older
1190 method. */
1191 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1192 enc->coded_frame->top_field_first = in_picture->top_field_first;
1193 pkt.data= (uint8_t *)final_picture;
1194 pkt.size= sizeof(AVPicture);
1195 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1196 pkt.flags |= AV_PKT_FLAG_KEY;
1197
1198 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1199 } else {
1200 AVFrame big_picture;
1201
1202 big_picture= *final_picture;
1203 /* better than nothing: use input picture interlaced
1204 settings */
1205 big_picture.interlaced_frame = in_picture->interlaced_frame;
1206 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1207 if(top_field_first == -1)
1208 big_picture.top_field_first = in_picture->top_field_first;
1209 else
1210 big_picture.top_field_first = top_field_first;
1211 }
1212
1213 /* handles same_quant here. This is not correct because it may
1214 not be a global option */
1215 big_picture.quality = quality;
1216 if(!me_threshold)
1217 big_picture.pict_type = 0;
1218 // big_picture.pts = AV_NOPTS_VALUE;
1219 big_picture.pts= ost->sync_opts;
1220 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1221 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1222 if (ost->forced_kf_index < ost->forced_kf_count &&
1223 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1224 big_picture.pict_type = AV_PICTURE_TYPE_I;
1225 ost->forced_kf_index++;
1226 }
1227 ret = avcodec_encode_video(enc,
1228 bit_buffer, bit_buffer_size,
1229 &big_picture);
1230 if (ret < 0) {
1231 fprintf(stderr, "Video encoding failed\n");
1232 exit_program(1);
1233 }
1234
1235 if(ret>0){
1236 pkt.data= bit_buffer;
1237 pkt.size= ret;
1238 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1239 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1240 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1241 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1242 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1243
1244 if(enc->coded_frame->key_frame)
1245 pkt.flags |= AV_PKT_FLAG_KEY;
1246 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1247 *frame_size = ret;
1248 video_size += ret;
1249 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1250 // enc->frame_number-1, ret, enc->pict_type);
1251 /* if two pass, output log */
1252 if (ost->logfile && enc->stats_out) {
1253 fprintf(ost->logfile, "%s", enc->stats_out);
1254 }
1255 }
1256 }
1257 ost->sync_opts++;
1258 ost->frame_number++;
1259 }
1260 }
1261
1262 static double psnr(double d){
1263 return -10.0*log(d)/log(10.0);
1264 }
1265
1266 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1267 int frame_size)
1268 {
1269 AVCodecContext *enc;
1270 int frame_number;
1271 double ti1, bitrate, avg_bitrate;
1272
1273 /* this is executed just the first time do_video_stats is called */
1274 if (!vstats_file) {
1275 vstats_file = fopen(vstats_filename, "w");
1276 if (!vstats_file) {
1277 perror("fopen");
1278 exit_program(1);
1279 }
1280 }
1281
1282 enc = ost->st->codec;
1283 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1284 frame_number = ost->frame_number;
1285 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1286 if (enc->flags&CODEC_FLAG_PSNR)
1287 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1288
1289 fprintf(vstats_file,"f_size= %6d ", frame_size);
1290 /* compute pts value */
1291 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1292 if (ti1 < 0.01)
1293 ti1 = 0.01;
1294
1295 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1296 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1297 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1298 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1299 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1300 }
1301 }
1302
1303 static void print_report(OutputFile *output_files,
1304 OutputStream *ost_table, int nb_ostreams,
1305 int is_last_report, int64_t timer_start)
1306 {
1307 char buf[1024];
1308 OutputStream *ost;
1309 AVFormatContext *oc;
1310 int64_t total_size;
1311 AVCodecContext *enc;
1312 int frame_number, vid, i;
1313 double bitrate, ti1, pts;
1314 static int64_t last_time = -1;
1315 static int qp_histogram[52];
1316
1317 if (!is_last_report) {
1318 int64_t cur_time;
1319 /* display the report every 0.5 seconds */
1320 cur_time = av_gettime();
1321 if (last_time == -1) {
1322 last_time = cur_time;
1323 return;
1324 }
1325 if ((cur_time - last_time) < 500000)
1326 return;
1327 last_time = cur_time;
1328 }
1329
1330
1331 oc = output_files[0].ctx;
1332
1333 total_size = avio_size(oc->pb);
1334 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1335 total_size= avio_tell(oc->pb);
1336
1337 buf[0] = '\0';
1338 ti1 = 1e10;
1339 vid = 0;
1340 for(i=0;i<nb_ostreams;i++) {
1341 float q = -1;
1342 ost = &ost_table[i];
1343 enc = ost->st->codec;
1344 if (!ost->st->stream_copy && enc->coded_frame)
1345 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1346 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1347 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1348 }
1349 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1350 float t = (av_gettime()-timer_start) / 1000000.0;
1351
1352 frame_number = ost->frame_number;
1353 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1354 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1355 if(is_last_report)
1356 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1357 if(qp_hist){
1358 int j;
1359 int qp = lrintf(q);
1360 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1361 qp_histogram[qp]++;
1362 for(j=0; j<32; j++)
1363 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1364 }
1365 if (enc->flags&CODEC_FLAG_PSNR){
1366 int j;
1367 double error, error_sum=0;
1368 double scale, scale_sum=0;
1369 char type[3]= {'Y','U','V'};
1370 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1371 for(j=0; j<3; j++){
1372 if(is_last_report){
1373 error= enc->error[j];
1374 scale= enc->width*enc->height*255.0*255.0*frame_number;
1375 }else{
1376 error= enc->coded_frame->error[j];
1377 scale= enc->width*enc->height*255.0*255.0;
1378 }
1379 if(j) scale/=4;
1380 error_sum += error;
1381 scale_sum += scale;
1382 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1383 }
1384 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1385 }
1386 vid = 1;
1387 }
1388 /* compute min output value */
1389 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1390 if ((pts < ti1) && (pts > 0))
1391 ti1 = pts;
1392 }
1393 if (ti1 < 0.01)
1394 ti1 = 0.01;
1395
1396 if (verbose > 0 || is_last_report) {
1397 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1398
1399 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1400 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1401 (double)total_size / 1024, ti1, bitrate);
1402
1403 if (nb_frames_dup || nb_frames_drop)
1404 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1405 nb_frames_dup, nb_frames_drop);
1406
1407 if (verbose >= 0)
1408 fprintf(stderr, "%s \r", buf);
1409
1410 fflush(stderr);
1411 }
1412
1413 if (is_last_report && verbose >= 0){
1414 int64_t raw= audio_size + video_size + extra_size;
1415 fprintf(stderr, "\n");
1416 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1417 video_size/1024.0,
1418 audio_size/1024.0,
1419 extra_size/1024.0,
1420 100.0*(total_size - raw)/raw
1421 );
1422 }
1423 }
1424
1425 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1426 {
1427 int fill_char = 0x00;
1428 if (sample_fmt == AV_SAMPLE_FMT_U8)
1429 fill_char = 0x80;
1430 memset(buf, fill_char, size);
1431 }
1432
1433 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1434 {
1435 int i, ret;
1436
1437 for (i = 0; i < nb_ostreams; i++) {
1438 OutputStream *ost = &ost_table[i];
1439 AVCodecContext *enc = ost->st->codec;
1440 AVFormatContext *os = output_files[ost->file_index].ctx;
1441
1442 if (!ost->encoding_needed)
1443 continue;
1444
1445 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1446 continue;
1447 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1448 continue;
1449
1450 for(;;) {
1451 AVPacket pkt;
1452 int fifo_bytes;
1453 av_init_packet(&pkt);
1454 pkt.stream_index= ost->index;
1455
1456 switch (ost->st->codec->codec_type) {
1457 case AVMEDIA_TYPE_AUDIO:
1458 fifo_bytes = av_fifo_size(ost->fifo);
1459 ret = 0;
1460 /* encode any samples remaining in fifo */
1461 if (fifo_bytes > 0) {
1462 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1463 int fs_tmp = enc->frame_size;
1464
1465 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1466 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1467 enc->frame_size = fifo_bytes / (osize * enc->channels);
1468 } else { /* pad */
1469 int frame_bytes = enc->frame_size*osize*enc->channels;
1470 if (allocated_audio_buf_size < frame_bytes)
1471 exit_program(1);
1472 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1473 }
1474
1475 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1476 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1477 ost->st->time_base.num, enc->sample_rate);
1478 enc->frame_size = fs_tmp;
1479 }
1480 if (ret <= 0) {
1481 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1482 }
1483 if (ret < 0) {
1484 fprintf(stderr, "Audio encoding failed\n");
1485 exit_program(1);
1486 }
1487 audio_size += ret;
1488 pkt.flags |= AV_PKT_FLAG_KEY;
1489 break;
1490 case AVMEDIA_TYPE_VIDEO:
1491 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1492 if (ret < 0) {
1493 fprintf(stderr, "Video encoding failed\n");
1494 exit_program(1);
1495 }
1496 video_size += ret;
1497 if(enc->coded_frame && enc->coded_frame->key_frame)
1498 pkt.flags |= AV_PKT_FLAG_KEY;
1499 if (ost->logfile && enc->stats_out) {
1500 fprintf(ost->logfile, "%s", enc->stats_out);
1501 }
1502 break;
1503 default:
1504 ret=-1;
1505 }
1506
1507 if (ret <= 0)
1508 break;
1509 pkt.data = bit_buffer;
1510 pkt.size = ret;
1511 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1512 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1513 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1514 }
1515 }
1516 }
1517
1518 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1519 static int output_packet(InputStream *ist, int ist_index,
1520 OutputStream *ost_table, int nb_ostreams,
1521 const AVPacket *pkt)
1522 {
1523 AVFormatContext *os;
1524 OutputStream *ost;
1525 int ret, i;
1526 int got_output;
1527 AVFrame picture;
1528 void *buffer_to_free = NULL;
1529 static unsigned int samples_size= 0;
1530 AVSubtitle subtitle, *subtitle_to_free;
1531 int64_t pkt_pts = AV_NOPTS_VALUE;
1532 #if CONFIG_AVFILTER
1533 int frame_available;
1534 #endif
1535 float quality;
1536
1537 AVPacket avpkt;
1538 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1539
1540 if(ist->next_pts == AV_NOPTS_VALUE)
1541 ist->next_pts= ist->pts;
1542
1543 if (pkt == NULL) {
1544 /* EOF handling */
1545 av_init_packet(&avpkt);
1546 avpkt.data = NULL;
1547 avpkt.size = 0;
1548 goto handle_eof;
1549 } else {
1550 avpkt = *pkt;
1551 }
1552
1553 if(pkt->dts != AV_NOPTS_VALUE)
1554 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1555 if(pkt->pts != AV_NOPTS_VALUE)
1556 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1557
1558 //while we have more to decode or while the decoder did output something on EOF
1559 while (avpkt.size > 0 || (!pkt && got_output)) {
1560 uint8_t *data_buf, *decoded_data_buf;
1561 int data_size, decoded_data_size;
1562 handle_eof:
1563 ist->pts= ist->next_pts;
1564
1565 if(avpkt.size && avpkt.size != pkt->size &&
1566 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1567 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1568 ist->showed_multi_packet_warning=1;
1569 }
1570
1571 /* decode the packet if needed */
1572 decoded_data_buf = NULL; /* fail safe */
1573 decoded_data_size= 0;
1574 data_buf = avpkt.data;
1575 data_size = avpkt.size;
1576 subtitle_to_free = NULL;
1577 if (ist->decoding_needed) {
1578 switch(ist->st->codec->codec_type) {
1579 case AVMEDIA_TYPE_AUDIO:{
1580 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1581 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1582 av_free(samples);
1583 samples= av_malloc(samples_size);
1584 }
1585 decoded_data_size= samples_size;
1586 /* XXX: could avoid copy if PCM 16 bits with same
1587 endianness as CPU */
1588 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1589 &avpkt);
1590 if (ret < 0)
1591 return ret;
1592 avpkt.data += ret;
1593 avpkt.size -= ret;
1594 data_size = ret;
1595 got_output = decoded_data_size > 0;
1596 /* Some bug in mpeg audio decoder gives */
1597 /* decoded_data_size < 0, it seems they are overflows */
1598 if (!got_output) {
1599 /* no audio frame */
1600 continue;
1601 }
1602 decoded_data_buf = (uint8_t *)samples;
1603 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1604 (ist->st->codec->sample_rate * ist->st->codec->channels);
1605 break;}
1606 case AVMEDIA_TYPE_VIDEO:
1607 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1608 /* XXX: allocate picture correctly */
1609 avcodec_get_frame_defaults(&picture);
1610 avpkt.pts = pkt_pts;
1611 avpkt.dts = ist->pts;
1612 pkt_pts = AV_NOPTS_VALUE;
1613
1614 ret = avcodec_decode_video2(ist->st->codec,
1615 &picture, &got_output, &avpkt);
1616 quality = same_quant ? picture.quality : 0;
1617 if (ret < 0)
1618 return ret;
1619 if (!got_output) {
1620 /* no picture yet */
1621 goto discard_packet;
1622 }
1623 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1624 if (ist->st->codec->time_base.num != 0) {
1625 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1626 ist->next_pts += ((int64_t)AV_TIME_BASE *
1627 ist->st->codec->time_base.num * ticks) /
1628 ist->st->codec->time_base.den;
1629 }
1630 avpkt.size = 0;
1631 buffer_to_free = NULL;
1632 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1633 break;
1634 case AVMEDIA_TYPE_SUBTITLE:
1635 ret = avcodec_decode_subtitle2(ist->st->codec,
1636 &subtitle, &got_output, &avpkt);
1637 if (ret < 0)
1638 return ret;
1639 if (!got_output) {
1640 goto discard_packet;
1641 }
1642 subtitle_to_free = &subtitle;
1643 avpkt.size = 0;
1644 break;
1645 default:
1646 return -1;
1647 }
1648 } else {
1649 switch(ist->st->codec->codec_type) {
1650 case AVMEDIA_TYPE_AUDIO:
1651 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1652 ist->st->codec->sample_rate;
1653 break;
1654 case AVMEDIA_TYPE_VIDEO:
1655 if (ist->st->codec->time_base.num != 0) {
1656 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1657 ist->next_pts += ((int64_t)AV_TIME_BASE *
1658 ist->st->codec->time_base.num * ticks) /
1659 ist->st->codec->time_base.den;
1660 }
1661 break;
1662 }
1663 avpkt.size = 0;
1664 }
1665
1666 // preprocess audio (volume)
1667 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1668 if (audio_volume != 256) {
1669 short *volp;
1670 volp = samples;
1671 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1672 int v = ((*volp) * audio_volume + 128) >> 8;
1673 *volp++ = av_clip_int16(v);
1674 }
1675 }
1676 }
1677
1678 /* frame rate emulation */
1679 if (rate_emu) {
1680 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1681 int64_t now = av_gettime() - ist->start;
1682 if (pts > now)
1683 usleep(pts - now);
1684 }
1685 /* if output time reached then transcode raw format,
1686 encode packets and output them */
1687 for (i = 0; i < nb_ostreams; i++) {
1688 OutputFile *of = &output_files[ost_table[i].file_index];
1689 int frame_size;
1690
1691 ost = &ost_table[i];
1692 if (ost->source_index != ist_index)
1693 continue;
1694
1695 if (of->start_time && ist->pts < of->start_time)
1696 continue;
1697
1698 if (of->recording_time != INT64_MAX &&
1699 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1700 (AVRational){1, 1000000}) >= 0) {
1701 ost->is_past_recording_time = 1;
1702 continue;
1703 }
1704
1705 #if CONFIG_AVFILTER
1706 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1707 ost->input_video_filter) {
1708 AVRational sar;
1709 if (ist->st->sample_aspect_ratio.num)
1710 sar = ist->st->sample_aspect_ratio;
1711 else
1712 sar = ist->st->codec->sample_aspect_ratio;
1713 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1714 }
1715 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1716 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1717 while (frame_available) {
1718 AVRational ist_pts_tb;
1719 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1720 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1721 if (ost->picref)
1722 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1723 #endif
1724 os = output_files[ost->file_index].ctx;
1725
1726 /* set the input output pts pairs */
1727 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1728
1729 if (ost->encoding_needed) {
1730 av_assert0(ist->decoding_needed);
1731 switch(ost->st->codec->codec_type) {
1732 case AVMEDIA_TYPE_AUDIO:
1733 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1734 break;
1735 case AVMEDIA_TYPE_VIDEO:
1736 #if CONFIG_AVFILTER
1737 if (ost->picref->video && !ost->frame_aspect_ratio)
1738 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1739 #endif
1740 do_video_out(os, ost, ist, &picture, &frame_size,
1741 same_quant ? quality : ost->st->codec->global_quality);
1742 if (vstats_filename && frame_size)
1743 do_video_stats(os, ost, frame_size);
1744 break;
1745 case AVMEDIA_TYPE_SUBTITLE:
1746 do_subtitle_out(os, ost, ist, &subtitle,
1747 pkt->pts);
1748 break;
1749 default:
1750 abort();
1751 }
1752 } else {
1753 AVFrame avframe; //FIXME/XXX remove this
1754 AVPacket opkt;
1755 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1756
1757 av_init_packet(&opkt);
1758
1759 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1760 #if !CONFIG_AVFILTER
1761 continue;
1762 #else
1763 goto cont;
1764 #endif
1765
1766 /* no reencoding needed : output the packet directly */
1767 /* force the input stream PTS */
1768
1769 avcodec_get_frame_defaults(&avframe);
1770 ost->st->codec->coded_frame= &avframe;
1771 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1772
1773 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1774 audio_size += data_size;
1775 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1776 video_size += data_size;
1777 ost->sync_opts++;
1778 }
1779
1780 opkt.stream_index= ost->index;
1781 if(pkt->pts != AV_NOPTS_VALUE)
1782 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1783 else
1784 opkt.pts= AV_NOPTS_VALUE;
1785
1786 if (pkt->dts == AV_NOPTS_VALUE)
1787 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1788 else
1789 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1790 opkt.dts -= ost_tb_start_time;
1791
1792 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1793 opkt.flags= pkt->flags;
1794
1795 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1796 if( ost->st->codec->codec_id != CODEC_ID_H264
1797 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1798 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1799 ) {
1800 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1801 opkt.destruct= av_destruct_packet;
1802 } else {
1803 opkt.data = data_buf;
1804 opkt.size = data_size;
1805 }
1806
1807 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1808 ost->st->codec->frame_number++;
1809 ost->frame_number++;
1810 av_free_packet(&opkt);
1811 }
1812 #if CONFIG_AVFILTER
1813 cont:
1814 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1815 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1816 if (ost->picref)
1817 avfilter_unref_buffer(ost->picref);
1818 }
1819 #endif
1820 }
1821
1822 av_free(buffer_to_free);
1823 /* XXX: allocate the subtitles in the codec ? */
1824 if (subtitle_to_free) {
1825 avsubtitle_free(subtitle_to_free);
1826 subtitle_to_free = NULL;
1827 }
1828 }
1829 discard_packet:
1830
1831 return 0;
1832 }
1833
1834 static void print_sdp(OutputFile *output_files, int n)
1835 {
1836 char sdp[2048];
1837 int i;
1838 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1839
1840 if (!avc)
1841 exit_program(1);
1842 for (i = 0; i < n; i++)
1843 avc[i] = output_files[i].ctx;
1844
1845 av_sdp_create(avc, n, sdp, sizeof(sdp));
1846 printf("SDP:\n%s\n", sdp);
1847 fflush(stdout);
1848 av_freep(&avc);
1849 }
1850
1851 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1852 char *error, int error_len)
1853 {
1854 int i;
1855 InputStream *ist = &input_streams[ist_index];
1856 if (ist->decoding_needed) {
1857 AVCodec *codec = ist->dec;
1858 if (!codec) {
1859 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d.%d",
1860 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1861 return AVERROR(EINVAL);
1862 }
1863
1864 /* update requested sample format for the decoder based on the
1865 corresponding encoder sample format */
1866 for (i = 0; i < nb_output_streams; i++) {
1867 OutputStream *ost = &output_streams[i];
1868 if (ost->source_index == ist_index) {
1869 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1870 break;
1871 }
1872 }
1873
1874 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1875 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
1876 ist->file_index, ist->st->index);
1877 return AVERROR(EINVAL);
1878 }
1879 assert_codec_experimental(ist->st->codec, 0);
1880 assert_avoptions(ist->opts);
1881 }
1882
1883 ist->pts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames*AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
1884 ist->next_pts = AV_NOPTS_VALUE;
1885 init_pts_correction(&ist->pts_ctx);
1886 ist->is_start = 1;
1887
1888 return 0;
1889 }
1890
1891 static int transcode_init(OutputFile *output_files,
1892 int nb_output_files,
1893 InputFile *input_files,
1894 int nb_input_files)
1895 {
1896 int ret = 0, i;
1897 AVFormatContext *os;
1898 AVCodecContext *codec, *icodec;
1899 OutputStream *ost;
1900 InputStream *ist;
1901 char error[1024];
1902 int want_sdp = 1;
1903
1904 if (rate_emu)
1905 for (i = 0; i < nb_input_streams; i++)
1906 input_streams[i].start = av_gettime();
1907
1908 /* output stream init */
1909 for(i=0;i<nb_output_files;i++) {
1910 os = output_files[i].ctx;
1911 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1912 av_dump_format(os, i, os->filename, 1);
1913 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1914 return AVERROR(EINVAL);
1915 }
1916 }
1917
1918 /* for each output stream, we compute the right encoding parameters */
1919 for (i = 0; i < nb_output_streams; i++) {
1920 ost = &output_streams[i];
1921 os = output_files[ost->file_index].ctx;
1922 ist = &input_streams[ost->source_index];
1923
1924 codec = ost->st->codec;
1925 icodec = ist->st->codec;
1926
1927 ost->st->disposition = ist->st->disposition;
1928 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1929 codec->chroma_sample_location = icodec->chroma_sample_location;
1930
1931 if (ost->st->stream_copy) {
1932 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1933
1934 if (extra_size > INT_MAX) {
1935 return AVERROR(EINVAL);
1936 }
1937
1938 /* if stream_copy is selected, no need to decode or encode */
1939 codec->codec_id = icodec->codec_id;
1940 codec->codec_type = icodec->codec_type;
1941
1942 if(!codec->codec_tag){
1943 if( !os->oformat->codec_tag
1944 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1945 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1946 codec->codec_tag = icodec->codec_tag;
1947 }
1948
1949 codec->bit_rate = icodec->bit_rate;
1950 codec->rc_max_rate = icodec->rc_max_rate;
1951 codec->rc_buffer_size = icodec->rc_buffer_size;
1952 codec->extradata= av_mallocz(extra_size);
1953 if (!codec->extradata) {
1954 return AVERROR(ENOMEM);
1955 }
1956 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1957 codec->extradata_size= icodec->extradata_size;
1958 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){
1959 codec->time_base = icodec->time_base;
1960 codec->time_base.num *= icodec->ticks_per_frame;
1961 av_reduce(&codec->time_base.num, &codec->time_base.den,
1962 codec->time_base.num, codec->time_base.den, INT_MAX);
1963 }else
1964 codec->time_base = ist->st->time_base;
1965 switch(codec->codec_type) {
1966 case AVMEDIA_TYPE_AUDIO:
1967 if(audio_volume != 256) {
1968 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1969 exit_program(1);
1970 }
1971 codec->channel_layout = icodec->channel_layout;
1972 codec->sample_rate = icodec->sample_rate;
1973 codec->channels = icodec->channels;
1974 codec->frame_size = icodec->frame_size;
1975 codec->audio_service_type = icodec->audio_service_type;
1976 codec->block_align= icodec->block_align;
1977 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1978 codec->block_align= 0;
1979 if(codec->codec_id == CODEC_ID_AC3)
1980 codec->block_align= 0;
1981 break;
1982 case AVMEDIA_TYPE_VIDEO:
1983 codec->pix_fmt = icodec->pix_fmt;
1984 codec->width = icodec->width;
1985 codec->height = icodec->height;
1986 codec->has_b_frames = icodec->has_b_frames;
1987 if (!codec->sample_aspect_ratio.num) {
1988 codec->sample_aspect_ratio =
1989 ost->st->sample_aspect_ratio =
1990 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1991 ist->st->codec->sample_aspect_ratio.num ?
1992 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1993 }
1994 break;
1995 case AVMEDIA_TYPE_SUBTITLE:
1996 codec->width = icodec->width;
1997 codec->height = icodec->height;
1998 break;
1999 case AVMEDIA_TYPE_DATA:
2000 break;
2001 default:
2002 abort();
2003 }
2004 } else {
2005 if (!ost->enc)
2006 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2007 switch(codec->codec_type) {
2008 case AVMEDIA_TYPE_AUDIO:
2009 ost->fifo= av_fifo_alloc(1024);
2010 if (!ost->fifo) {
2011 return AVERROR(ENOMEM);
2012 }
2013 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2014 if (!codec->sample_rate) {
2015 codec->sample_rate = icodec->sample_rate;
2016 if (icodec->lowres)
2017 codec->sample_rate >>= icodec->lowres;
2018 }
2019 choose_sample_rate(ost->st, ost->enc);
2020 codec->time_base = (AVRational){1, codec->sample_rate};
2021 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2022 codec->sample_fmt = icodec->sample_fmt;
2023 choose_sample_fmt(ost->st, ost->enc);
2024 if (!codec->channels)
2025 codec->channels = icodec->channels;
2026 codec->channel_layout = icodec->channel_layout;
2027 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2028 codec->channel_layout = 0;
2029 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2030 icodec->request_channels = codec->channels;
2031 ist->decoding_needed = 1;
2032 ost->encoding_needed = 1;
2033 ost->resample_sample_fmt = icodec->sample_fmt;
2034 ost->resample_sample_rate = icodec->sample_rate;
2035 ost->resample_channels = icodec->channels;
2036 break;
2037 case AVMEDIA_TYPE_VIDEO:
2038 if (codec->pix_fmt == PIX_FMT_NONE)
2039 codec->pix_fmt = icodec->pix_fmt;
2040 choose_pixel_fmt(ost->st, ost->enc);
2041
2042 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2043 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2044 exit_program(1);
2045 }
2046
2047 if (!codec->width || !codec->height) {
2048 codec->width = icodec->width;
2049 codec->height = icodec->height;
2050 }
2051
2052 ost->video_resample = codec->width != icodec->width ||
2053 codec->height != icodec->height ||
2054 codec->pix_fmt != icodec->pix_fmt;
2055 if (ost->video_resample) {
2056 #if !CONFIG_AVFILTER
2057 avcodec_get_frame_defaults(&ost->pict_tmp);
2058 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2059 codec->width, codec->height)) {
2060 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2061 exit_program(1);
2062 }
2063 ost->img_resample_ctx = sws_getContext(
2064 icodec->width,
2065 icodec->height,
2066 icodec->pix_fmt,
2067 codec->width,
2068 codec->height,
2069 codec->pix_fmt,
2070 ost->sws_flags, NULL, NULL, NULL);
2071 if (ost->img_resample_ctx == NULL) {
2072 fprintf(stderr, "Cannot get resampling context\n");
2073 exit_program(1);
2074 }
2075 #endif
2076 codec->bits_per_raw_sample= 0;
2077 }
2078
2079 ost->resample_height = icodec->height;
2080 ost->resample_width = icodec->width;
2081 ost->resample_pix_fmt= icodec->pix_fmt;
2082 ost->encoding_needed = 1;
2083 ist->decoding_needed = 1;
2084
2085 if (!ost->frame_rate.num)
2086 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2087 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2088 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2089 ost->frame_rate = ost->enc->supported_framerates[idx];
2090 }
2091 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2092
2093 #if CONFIG_AVFILTER
2094 if (configure_video_filters(ist, ost)) {
2095 fprintf(stderr, "Error opening filters!\n");
2096 exit(1);
2097 }
2098 #endif
2099 break;
2100 case AVMEDIA_TYPE_SUBTITLE:
2101 ost->encoding_needed = 1;
2102 ist->decoding_needed = 1;
2103 break;
2104 default:
2105 abort();
2106 break;
2107 }
2108 /* two pass mode */
2109 if (ost->encoding_needed &&
2110 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2111 char logfilename[1024];
2112 FILE *f;
2113
2114 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2115 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2116 i);
2117 if (codec->flags & CODEC_FLAG_PASS1) {
2118 f = fopen(logfilename, "wb");
2119 if (!f) {
2120 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2121 exit_program(1);
2122 }
2123 ost->logfile = f;
2124 } else {
2125 char *logbuffer;
2126 size_t logbuffer_size;
2127 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2128 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2129 exit_program(1);
2130 }
2131 codec->stats_in = logbuffer;
2132 }
2133 }
2134 }
2135 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2136 int size= codec->width * codec->height;
2137 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2138 }
2139 }
2140
2141 if (!bit_buffer)
2142 bit_buffer = av_malloc(bit_buffer_size);
2143 if (!bit_buffer) {
2144 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2145 bit_buffer_size);
2146 return AVERROR(ENOMEM);
2147 }
2148
2149 /* open each encoder */
2150 for (i = 0; i < nb_output_streams; i++) {
2151 ost = &output_streams[i];
2152 if (ost->encoding_needed) {
2153 AVCodec *codec = ost->enc;
2154 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2155 if (!codec) {
2156 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2157 ost->st->codec->codec_id, ost->file_index, ost->index);
2158 ret = AVERROR(EINVAL);
2159 goto dump_format;
2160 }
2161 if (dec->subtitle_header) {
2162 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2163 if (!ost->st->codec->subtitle_header) {
2164 ret = AVERROR(ENOMEM);
2165 goto dump_format;
2166 }
2167 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2168 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2169 }
2170 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2171 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2172 ost->file_index, ost->index);
2173 ret = AVERROR(EINVAL);
2174 goto dump_format;
2175 }
2176 assert_codec_experimental(ost->st->codec, 1);
2177 assert_avoptions(ost->opts);
2178 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2179 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2180 "It takes bits/s as argument, not kbits/s\n");
2181 extra_size += ost->st->codec->extradata_size;
2182 }
2183 }
2184
2185 /* init input streams */
2186 for (i = 0; i < nb_input_streams; i++)
2187 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2188 goto dump_format;
2189
2190 /* open files and write file headers */
2191 for (i = 0; i < nb_output_files; i++) {
2192 os = output_files[i].ctx;
2193 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2194 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2195 ret = AVERROR(EINVAL);
2196 goto dump_format;
2197 }
2198 assert_avoptions(output_files[i].opts);
2199 if (strcmp(os->oformat->name, "rtp")) {
2200 want_sdp = 0;
2201 }
2202 }
2203
2204 dump_format:
2205 /* dump the file output parameters - cannot be done before in case
2206 of stream copy */
2207 for(i=0;i<nb_output_files;i++) {
2208 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2209 }
2210
2211 /* dump the stream mapping */
2212 if (verbose >= 0) {
2213 fprintf(stderr, "Stream mapping:\n");
2214 for (i = 0; i < nb_output_streams;i ++) {
2215 ost = &output_streams[i];
2216 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2217 input_streams[ost->source_index].file_index,
2218 input_streams[ost->source_index].st->index,
2219 ost->file_index,
2220 ost->index);
2221 if (ost->sync_ist != &input_streams[ost->source_index])
2222 fprintf(stderr, " [sync #%d.%d]",
2223 ost->sync_ist->file_index,
2224 ost->sync_ist->st->index);
2225 if (ost->st->stream_copy)
2226 fprintf(stderr, " (copy)");
2227 else
2228 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2229 input_streams[ost->source_index].dec->name : "?",
2230 ost->enc ? ost->enc->name : "?");
2231 fprintf(stderr, "\n");
2232 }
2233 }
2234
2235 if (ret) {
2236 fprintf(stderr, "%s\n", error);
2237 return ret;
2238 }
2239
2240 if (want_sdp) {
2241 print_sdp(output_files, nb_output_files);
2242 }
2243
2244 return 0;
2245 }
2246
2247 /*
2248 * The following code is the main loop of the file converter
2249 */
2250 static int transcode(OutputFile *output_files,
2251 int nb_output_files,
2252 InputFile *input_files,
2253 int nb_input_files)
2254 {
2255 int ret, i;
2256 AVFormatContext *is, *os;
2257 OutputStream *ost;
2258 InputStream *ist;
2259 uint8_t *no_packet;
2260 int no_packet_count=0;
2261 int64_t timer_start;
2262
2263 if (!(no_packet = av_mallocz(nb_input_files)))
2264 exit_program(1);
2265
2266 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2267 if (ret < 0)
2268 goto fail;
2269
2270 if (verbose >= 0)
2271 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2272 term_init();
2273
2274 timer_start = av_gettime();
2275
2276 for(; received_sigterm == 0;) {
2277 int file_index, ist_index;
2278 AVPacket pkt;
2279 int64_t ipts_min;
2280 double opts_min;
2281
2282 ipts_min = INT64_MAX;
2283 opts_min= 1e100;
2284
2285 /* select the stream that we must read now by looking at the
2286 smallest output pts */
2287 file_index = -1;
2288 for (i = 0; i < nb_output_streams; i++) {
2289 OutputFile *of;
2290 int64_t ipts;
2291 double opts;
2292 ost = &output_streams[i];
2293 of = &output_files[ost->file_index];
2294 os = output_files[ost->file_index].ctx;
2295 ist = &input_streams[ost->source_index];
2296 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2297 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2298 continue;
2299 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2300 ipts = ist->pts;
2301 if (!input_files[ist->file_index].eof_reached){
2302 if(ipts < ipts_min) {
2303 ipts_min = ipts;
2304 if(input_sync ) file_index = ist->file_index;
2305 }
2306 if(opts < opts_min) {
2307 opts_min = opts;
2308 if(!input_sync) file_index = ist->file_index;
2309 }
2310 }
2311 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2312 file_index= -1;
2313 break;
2314 }
2315 }
2316 /* if none, if is finished */
2317 if (file_index < 0) {
2318 if(no_packet_count){
2319 no_packet_count=0;
2320 memset(no_packet, 0, nb_input_files);
2321 usleep(10000);
2322 continue;
2323 }
2324 break;
2325 }
2326
2327 /* read a frame from it and output it in the fifo */
2328 is = input_files[file_index].ctx;
2329 ret= av_read_frame(is, &pkt);
2330 if(ret == AVERROR(EAGAIN)){
2331 no_packet[file_index]=1;
2332 no_packet_count++;
2333 continue;
2334 }
2335 if (ret < 0) {
2336 input_files[file_index].eof_reached = 1;
2337 if (opt_shortest)
2338 break;
2339 else
2340 continue;
2341 }
2342
2343 no_packet_count=0;
2344 memset(no_packet, 0, nb_input_files);
2345
2346 if (do_pkt_dump) {
2347 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2348 is->streams[pkt.stream_index]);
2349 }
2350 /* the following test is needed in case new streams appear
2351 dynamically in stream : we ignore them */
2352 if (pkt.stream_index >= input_files[file_index].nb_streams)
2353 goto discard_packet;
2354 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2355 ist = &input_streams[ist_index];
2356 if (ist->discard)
2357 goto discard_packet;
2358
2359 if (pkt.dts != AV_NOPTS_VALUE)
2360 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2361 if (pkt.pts != AV_NOPTS_VALUE)
2362 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2363
2364 if(pkt.pts != AV_NOPTS_VALUE)
2365 pkt.pts *= ist->ts_scale;
2366 if(pkt.dts != AV_NOPTS_VALUE)
2367 pkt.dts *= ist->ts_scale;
2368
2369 // 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);
2370 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2371 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2372 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2373 int64_t delta= pkt_dts - ist->next_pts;
2374 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2375 input_files[ist->file_index].ts_offset -= delta;
2376 if (verbose > 2)
2377 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2378 delta, input_files[ist->file_index].ts_offset);
2379 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2380 if(pkt.pts != AV_NOPTS_VALUE)
2381 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2382 }
2383 }
2384
2385 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2386 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2387
2388 if (verbose >= 0)
2389 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2390 ist->file_index, ist->st->index);
2391 if (exit_on_error)
2392 exit_program(1);
2393 av_free_packet(&pkt);
2394 continue;
2395 }
2396
2397 discard_packet:
2398 av_free_packet(&pkt);
2399
2400 /* dump report by using the output first video and audio streams */
2401 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2402 }
2403
2404 /* at the end of stream, we must flush the decoder buffers */
2405 for (i = 0; i < nb_input_streams; i++) {
2406 ist = &input_streams[i];
2407 if (ist->decoding_needed) {
2408 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2409 }
2410 }
2411 flush_encoders(output_streams, nb_output_streams);
2412
2413 term_exit();
2414
2415 /* write the trailer if needed and close file */
2416 for(i=0;i<nb_output_files;i++) {
2417 os = output_files[i].ctx;
2418 av_write_trailer(os);
2419 }
2420
2421 /* dump report by using the first video and audio streams */
2422 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2423
2424 /* close each encoder */
2425 for (i = 0; i < nb_output_streams; i++) {
2426 ost = &output_streams[i];
2427 if (ost->encoding_needed) {
2428 av_freep(&ost->st->codec->stats_in);
2429 avcodec_close(ost->st->codec);
2430 }
2431 #if CONFIG_AVFILTER
2432 avfilter_graph_free(&ost->graph);
2433 #endif
2434 }
2435
2436 /* close each decoder */
2437 for (i = 0; i < nb_input_streams; i++) {
2438 ist = &input_streams[i];
2439 if (ist->decoding_needed) {
2440 avcodec_close(ist->st->codec);
2441 }
2442 }
2443
2444 /* finished ! */
2445 ret = 0;
2446
2447 fail:
2448 av_freep(&bit_buffer);
2449 av_freep(&no_packet);
2450
2451 if (output_streams) {
2452 for (i = 0; i < nb_output_streams; i++) {
2453 ost = &output_streams[i];
2454 if (ost) {
2455 if (ost->st->stream_copy)
2456 av_freep(&ost->st->codec->extradata);
2457 if (ost->logfile) {
2458 fclose(ost->logfile);
2459 ost->logfile = NULL;
2460 }
2461 av_fifo_free(ost->fifo); /* works even if fifo is not
2462 initialized but set to zero */
2463 av_freep(&ost->st->codec->subtitle_header);
2464 av_free(ost->pict_tmp.data[0]);
2465 av_free(ost->forced_kf_pts);
2466 if (ost->video_resample)
2467 sws_freeContext(ost->img_resample_ctx);
2468 if (ost->resample)
2469 audio_resample_close(ost->resample);
2470 if (ost->reformat_ctx)
2471 av_audio_convert_free(ost->reformat_ctx);
2472 av_dict_free(&ost->opts);
2473 }
2474 }
2475 }
2476 return ret;
2477 }
2478
2479 static int opt_video_rc_override_string(const char *opt, const char *arg)
2480 {
2481 video_rc_override_string = arg;
2482 return 0;
2483 }
2484
2485 static int opt_me_threshold(const char *opt, const char *arg)
2486 {
2487 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2488 return 0;
2489 }
2490
2491 static int opt_verbose(const char *opt, const char *arg)
2492 {
2493 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2494 return 0;
2495 }
2496
2497 static int opt_frame_rate(const char *opt, const char *arg)
2498 {
2499 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2500 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2501 exit_program(1);
2502 }
2503 return 0;
2504 }
2505
2506 static int opt_frame_size(const char *opt, const char *arg)
2507 {
2508 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2509 fprintf(stderr, "Incorrect frame size\n");
2510 return AVERROR(EINVAL);
2511 }
2512 return 0;
2513 }
2514
2515 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2516 {
2517 if (strcmp(arg, "list")) {
2518 frame_pix_fmt = av_get_pix_fmt(arg);
2519 if (frame_pix_fmt == PIX_FMT_NONE) {
2520 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2521 return AVERROR(EINVAL);
2522 }
2523 } else {
2524 show_pix_fmts();
2525 exit_program(0);
2526 }
2527 return 0;
2528 }
2529
2530 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2531 {
2532 int x = 0, y = 0;
2533 double ar = 0;
2534 const char *p;
2535 char *end;
2536
2537 p = strchr(arg, ':');
2538 if (p) {
2539 x = strtol(arg, &end, 10);
2540 if (end == p)
2541 y = strtol(end+1, &end, 10);
2542 if (x > 0 && y > 0)
2543 ar = (double)x / (double)y;
2544 } else
2545 ar = strtod(arg, NULL);
2546
2547 if (!ar) {
2548 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2549 return AVERROR(EINVAL);
2550 }
2551 frame_aspect_ratio = ar;
2552 return 0;
2553 }
2554
2555 static int opt_metadata(const char *opt, const char *arg)
2556 {
2557 char *mid= strchr(arg, '=');
2558
2559 if(!mid){
2560 fprintf(stderr, "Missing =\n");
2561 exit_program(1);
2562 }
2563 *mid++= 0;
2564
2565 av_dict_set(&metadata, arg, mid, 0);
2566
2567 return 0;
2568 }
2569
2570 static int opt_qscale(const char *opt, const char *arg)
2571 {
2572 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2573 if (video_qscale == 0) {
2574 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2575 return AVERROR(EINVAL);
2576 }
2577 return 0;
2578 }
2579
2580 static int opt_top_field_first(const char *opt, const char *arg)
2581 {
2582 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2583 return 0;
2584 }
2585
2586 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2587 {
2588 if (strcmp(arg, "list")) {
2589 audio_sample_fmt = av_get_sample_fmt(arg);
2590 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2591 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2592 return AVERROR(EINVAL);
2593 }
2594 } else {
2595 int i;
2596 char fmt_str[128];
2597 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2598 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2599 exit_program(0);
2600 }
2601 return 0;
2602 }
2603
2604 static int opt_audio_rate(const char *opt, const char *arg)
2605 {
2606 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2607 return 0;
2608 }
2609
2610 static int opt_audio_channels(const char *opt, const char *arg)
2611 {
2612 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2613 return 0;
2614 }
2615
2616 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2617 {
2618 return parse_option(o, "codec:a", arg, options);
2619 }
2620
2621 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2622 {
2623 return parse_option(o, "codec:v", arg, options);
2624 }
2625
2626 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2627 {
2628 return parse_option(o, "codec:s", arg, options);
2629 }
2630
2631 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2632 {
2633 return parse_option(o, "codec:d", arg, options);
2634 }
2635
2636 static int opt_codec_tag(const char *opt, const char *arg)
2637 {
2638 char *tail;
2639 uint32_t *codec_tag;
2640
2641 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2642 !strcmp(opt, "vtag") ? &video_codec_tag :
2643 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2644 if (!codec_tag)
2645 return -1;
2646
2647 *codec_tag = strtol(arg, &tail, 0);
2648 if (!tail || *tail)
2649 *codec_tag = AV_RL32(arg);
2650
2651 return 0;
2652 }
2653
2654 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2655 {
2656 StreamMap *m = NULL;
2657 int i, negative = 0, file_idx;
2658 int sync_file_idx = -1, sync_stream_idx;
2659 char *p, *sync;
2660 char *map;
2661
2662 if (*arg == '-') {
2663 negative = 1;
2664 arg++;
2665 }
2666 map = av_strdup(arg);
2667
2668 /* parse sync stream first, just pick first matching stream */
2669 if (sync = strchr(map, ',')) {
2670 *sync = 0;
2671 sync_file_idx = strtol(sync + 1, &sync, 0);
2672 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2673 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2674 exit_program(1);
2675 }
2676 if (*sync)
2677 sync++;
2678 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2679 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2680 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2681 sync_stream_idx = i;
2682 break;
2683 }
2684 if (i == input_files[sync_file_idx].nb_streams) {
2685 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2686 "match any streams.\n", arg);
2687 exit_program(1);
2688 }
2689 }
2690
2691
2692 file_idx = strtol(map, &p, 0);
2693 if (file_idx >= nb_input_files || file_idx < 0) {
2694 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2695 exit_program(1);
2696 }
2697 if (negative)
2698 /* disable some already defined maps */
2699 for (i = 0; i < o->nb_stream_maps; i++) {
2700 m = &o->stream_maps[i];
2701 if (check_stream_specifier(input_files[m->file_index].ctx,
2702 input_files[m->file_index].ctx->streams[m->stream_index],
2703 *p == ':' ? p + 1 : p) > 0)
2704 m->disabled = 1;
2705 }
2706 else
2707 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2708 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2709 *p == ':' ? p + 1 : p) <= 0)
2710 continue;
2711 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2712 &o->nb_stream_maps, o->nb_stream_maps + 1);
2713 m = &o->stream_maps[o->nb_stream_maps - 1];
2714
2715 m->file_index = file_idx;
2716 m->stream_index = i;
2717
2718 if (sync_file_idx >= 0) {
2719 m->sync_file_index = sync_file_idx;
2720 m->sync_stream_index = sync_stream_idx;
2721 } else {
2722 m->sync_file_index = file_idx;
2723 m->sync_stream_index = i;
2724 }
2725 }
2726
2727 if (!m) {
2728 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2729 exit_program(1);
2730 }
2731
2732 av_freep(&map);
2733 return 0;
2734 }
2735
2736 static void parse_meta_type(char *arg, char *type, int *index)
2737 {
2738 if (*arg == ':') {
2739 *type = *(++arg);
2740 switch (*arg) {
2741 case 'g':
2742 break;
2743 case 's':
2744 case 'c':
2745 case 'p':
2746 if (*(++arg) == ':')
2747 *index = strtol(++arg, NULL, 0);
2748 break;
2749 default:
2750 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2751 exit_program(1);
2752 }
2753 } else
2754 *type = 'g';
2755 }
2756
2757 static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
2758 {
2759 MetadataMap *m, *m1;
2760 char *p;
2761
2762 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
2763 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
2764
2765 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
2766 m->file = strtol(arg, &p, 0);
2767 parse_meta_type(p, &m->type, &m->index);
2768
2769 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
2770 if (p = strchr(opt, ':'))
2771 parse_meta_type(p, &m1->type, &m1->index);
2772 else
2773 m1->type = 'g';
2774
2775 if (m->type == 'g' || m1->type == 'g')
2776 o->metadata_global_manual = 1;
2777 if (m->type == 's' || m1->type == 's')
2778 o->metadata_streams_manual = 1;
2779 if (m->type == 'c' || m1->type == 'c')
2780 o->metadata_chapters_manual = 1;
2781
2782 return 0;
2783 }
2784
2785 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2786 {
2787 const char *codec_string = encoder ? "encoder" : "decoder";
2788 AVCodec *codec;
2789
2790 if(!name)
2791 return CODEC_ID_NONE;
2792 codec = encoder ?
2793 avcodec_find_encoder_by_name(name) :
2794 avcodec_find_decoder_by_name(name);
2795 if(!codec) {
2796 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2797 exit_program(1);
2798 }
2799 if(codec->type != type) {
2800 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2801 exit_program(1);
2802 }
2803 return codec->id;
2804 }
2805
2806 static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type)
2807 {
2808 char *codec_name = NULL;
2809
2810 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
2811
2812 if (!codec_name) {
2813 if (s->oformat) {
2814 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2815 return avcodec_find_encoder(st->codec->codec_id);
2816 }
2817 } else if (!strcmp(codec_name, "copy"))
2818 st->stream_copy = 1;
2819 else {
2820 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2821 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2822 avcodec_find_decoder_by_name(codec_name);
2823 }
2824
2825 return NULL;
2826 }
2827
2828 /**
2829 * Add all the streams from the given input file to the global
2830 * list of input streams.
2831 */
2832 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
2833 {
2834 int i, rfps, rfps_base;
2835
2836 for (i = 0; i < ic->nb_streams; i++) {
2837 AVStream *st = ic->streams[i];
2838 AVCodecContext *dec = st->codec;
2839 InputStream *ist;
2840 double scale = 1.0;
2841
2842 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2843 ist = &input_streams[nb_input_streams - 1];
2844 ist->st = st;
2845 ist->file_index = nb_input_files;
2846 ist->discard = 1;
2847 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2848
2849 MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
2850 ist->ts_scale = scale;
2851
2852 ist->dec = choose_codec(o, ic, st, dec->codec_type);
2853 if (!ist->dec)
2854 ist->dec = avcodec_find_decoder(dec->codec_id);
2855
2856 switch (dec->codec_type) {
2857 case AVMEDIA_TYPE_AUDIO:
2858 if(audio_disable)
2859 st->discard= AVDISCARD_ALL;
2860 break;
2861 case AVMEDIA_TYPE_VIDEO:
2862 rfps = ic->streams[i]->r_frame_rate.num;
2863 rfps_base = ic->streams[i]->r_frame_rate.den;
2864 if (dec->lowres) {
2865 dec->flags |= CODEC_FLAG_EMU_EDGE;
2866 dec->height >>= dec->lowres;
2867 dec->width >>= dec->lowres;
2868 }
2869 if(me_threshold)
2870 dec->debug |= FF_DEBUG_MV;
2871
2872 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2873
2874 if (verbose >= 0)
2875 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2876 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2877
2878 (float)rfps / rfps_base, rfps, rfps_base);
2879 }
2880
2881 if(video_disable)
2882 st->discard= AVDISCARD_ALL;
2883 else if(video_discard)
2884 st->discard= video_discard;
2885 break;
2886 case AVMEDIA_TYPE_DATA:
2887 break;
2888 case AVMEDIA_TYPE_SUBTITLE:
2889 if(subtitle_disable)
2890 st->discard = AVDISCARD_ALL;
2891 break;
2892 case AVMEDIA_TYPE_ATTACHMENT:
2893 case AVMEDIA_TYPE_UNKNOWN:
2894 break;
2895 default:
2896 abort();
2897 }
2898 }
2899 }
2900
2901 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
2902 {
2903 AVFormatContext *ic;
2904 AVInputFormat *file_iformat = NULL;
2905 int err, i, ret;
2906 int64_t timestamp;
2907 uint8_t buf[128];
2908 AVDictionary **opts;
2909 int orig_nb_streams; // number of streams before avformat_find_stream_info
2910
2911 if (o->format) {
2912 if (!(file_iformat = av_find_input_format(o->format))) {
2913 fprintf(stderr, "Unknown input format: '%s'\n", o->format);
2914 exit_program(1);
2915 }
2916 }
2917
2918 if (!strcmp(filename, "-"))
2919 filename = "pipe:";
2920
2921 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2922 !strcmp(filename, "/dev/stdin");
2923
2924 /* get default parameters from command line */
2925 ic = avformat_alloc_context();
2926 if (!ic) {
2927 print_error(filename, AVERROR(ENOMEM));
2928 exit_program(1);
2929 }
2930 if (audio_sample_rate) {
2931 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
2932 av_dict_set(&format_opts, "sample_rate", buf, 0);
2933 }
2934 if (audio_channels) {
2935 snprintf(buf, sizeof(buf), "%d", audio_channels);
2936 av_dict_set(&format_opts, "channels", buf, 0);
2937 }
2938 if (frame_rate.num) {
2939 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
2940 av_dict_set(&format_opts, "framerate", buf, 0);
2941 }
2942 if (frame_width && frame_height) {
2943 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
2944 av_dict_set(&format_opts, "video_size", buf, 0);
2945 }
2946 if (frame_pix_fmt != PIX_FMT_NONE)
2947 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
2948
2949 ic->flags |= AVFMT_FLAG_NONBLOCK;
2950
2951 /* open the input file with generic libav function */
2952 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2953 if (err < 0) {
2954 print_error(filename, err);
2955 exit_program(1);
2956 }
2957 assert_avoptions(format_opts);
2958
2959 if(opt_programid) {
2960 int i, j;
2961 int found=0;
2962 for(i=0; i<ic->nb_streams; i++){
2963 ic->streams[i]->discard= AVDISCARD_ALL;
2964 }
2965 for(i=0; i<ic->nb_programs; i++){
2966 AVProgram *p= ic->programs[i];
2967 if(p->id != opt_programid){
2968 p->discard = AVDISCARD_ALL;
2969 }else{
2970 found=1;
2971 for(j=0; j<p->nb_stream_indexes; j++){
2972 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
2973 }
2974 }
2975 }
2976 if(!found){
2977 fprintf(stderr, "Specified program id not found\n");
2978 exit_program(1);
2979 }
2980 opt_programid=0;
2981 }
2982
2983 /* apply forced codec ids */
2984 for (i = 0; i < ic->nb_streams; i++)
2985 choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type);
2986
2987 /* Set AVCodecContext options for avformat_find_stream_info */
2988 opts = setup_find_stream_info_opts(ic, codec_opts);
2989 orig_nb_streams = ic->nb_streams;
2990
2991 /* If not enough info to get the stream parameters, we decode the
2992 first frames to get it. (used in mpeg case for example) */
2993 ret = avformat_find_stream_info(ic, opts);
2994 if (ret < 0 && verbose >= 0) {
2995 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2996 av_close_input_file(ic);
2997 exit_program(1);
2998 }
2999
3000 timestamp = o->start_time;
3001 /* add the stream start time */
3002 if (ic->start_time != AV_NOPTS_VALUE)
3003 timestamp += ic->start_time;
3004
3005 /* if seeking requested, we execute it */
3006 if (o->start_time != 0) {
3007 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3008 if (ret < 0) {
3009 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3010 filename, (double)timestamp / AV_TIME_BASE);
3011 }
3012 }
3013
3014 /* update the current parameters so that they match the one of the input stream */
3015 add_input_streams(o, ic);
3016
3017 /* dump the file content */
3018 if (verbose >= 0)
3019 av_dump_format(ic, nb_input_files, filename, 0);
3020
3021 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3022 input_files[nb_input_files - 1].ctx = ic;
3023 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3024 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3025 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3026
3027 frame_rate = (AVRational){0, 0};
3028 frame_pix_fmt = PIX_FMT_NONE;
3029 frame_height = 0;
3030 frame_width = 0;
3031 audio_sample_rate = 0;
3032 audio_channels = 0;
3033 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3034
3035 for (i = 0; i < orig_nb_streams; i++)
3036 av_dict_free(&opts[i]);
3037 av_freep(&opts);
3038
3039 reset_options(o);
3040 return 0;
3041 }
3042
3043 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3044 AVCodecContext *avctx)
3045 {
3046 char *p;
3047 int n = 1, i;
3048 int64_t t;
3049
3050 for (p = kf; *p; p++)
3051 if (*p == ',')
3052 n++;
3053 ost->forced_kf_count = n;
3054 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3055 if (!ost->forced_kf_pts) {
3056 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3057 exit_program(1);
3058 }
3059 for (i = 0; i < n; i++) {
3060 p = i ? strchr(p, ',') + 1 : kf;
3061 t = parse_time_or_die("force_key_frames", p, 1);
3062 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3063 }
3064 }
3065
3066 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3067 {
3068 OutputStream *ost;
3069 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3070 int idx = oc->nb_streams - 1;
3071
3072 if (!st) {
3073 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3074 exit_program(1);
3075 }
3076
3077 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3078 nb_output_streams + 1);
3079 ost = &output_streams[nb_output_streams - 1];
3080 ost->file_index = nb_output_files;
3081 ost->index = idx;
3082 ost->st = st;
3083 st->codec->codec_type = type;
3084 ost->enc = choose_codec(o, oc, st, type);
3085 if (ost->enc) {
3086 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3087 }
3088
3089 avcodec_get_context_defaults3(st->codec, ost->enc);
3090 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3091
3092 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3093 return ost;
3094 }
3095
3096 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3097 {
3098 AVStream *st;
3099 OutputStream *ost;
3100 AVCodecContext *video_enc;
3101
3102 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3103 st = ost->st;
3104 if (!st->stream_copy) {
3105 ost->frame_aspect_ratio = frame_aspect_ratio;
3106 frame_aspect_ratio = 0;
3107 #if CONFIG_AVFILTER
3108 ost->avfilter= vfilters;
3109 vfilters = NULL;
3110 #endif
3111 }
3112
3113 ost->bitstream_filters = video_bitstream_filters;
3114 video_bitstream_filters= NULL;
3115
3116 video_enc = st->codec;
3117
3118 if(video_codec_tag)
3119 video_enc->codec_tag= video_codec_tag;
3120
3121 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3122 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3123 }
3124
3125 if (st->stream_copy) {
3126 video_enc->sample_aspect_ratio =
3127 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3128 } else {
3129 const char *p;
3130 int i;
3131
3132 if (frame_rate.num)
3133 ost->frame_rate = frame_rate;
3134
3135 video_enc->width = frame_width;
3136 video_enc->height = frame_height;
3137 video_enc->pix_fmt = frame_pix_fmt;
3138 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3139
3140 if (video_qscale || same_quant) {
3141 video_enc->flags |= CODEC_FLAG_QSCALE;
3142 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3143 }
3144
3145 if(intra_matrix)
3146 video_enc->intra_matrix = intra_matrix;
3147 if(inter_matrix)
3148 video_enc->inter_matrix = inter_matrix;
3149
3150 p= video_rc_override_string;
3151 for(i=0; p; i++){
3152 int start, end, q;
3153 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3154 if(e!=3){
3155 fprintf(stderr, "error parsing rc_override\n");
3156 exit_program(1);
3157 }
3158 video_enc->rc_override=
3159 av_realloc(video_enc->rc_override,
3160 sizeof(RcOverride)*(i+1));
3161 video_enc->rc_override[i].start_frame= start;
3162 video_enc->rc_override[i].end_frame = end;
3163 if(q>0){
3164 video_enc->rc_override[i].qscale= q;
3165 video_enc->rc_override[i].quality_factor= 1.0;
3166 }
3167 else{
3168 video_enc->rc_override[i].qscale= 0;
3169 video_enc->rc_override[i].quality_factor= -q/100.0;
3170 }
3171 p= strchr(p, '/');
3172 if(p) p++;
3173 }
3174 video_enc->rc_override_count=i;
3175 if (!video_enc->rc_initial_buffer_occupancy)
3176 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3177 video_enc->me_threshold= me_threshold;
3178 video_enc->intra_dc_precision= intra_dc_precision - 8;
3179
3180 if (do_psnr)
3181 video_enc->flags|= CODEC_FLAG_PSNR;
3182
3183 /* two pass mode */
3184 if (do_pass) {
3185 if (do_pass == 1) {
3186 video_enc->flags |= CODEC_FLAG_PASS1;
3187 } else {
3188 video_enc->flags |= CODEC_FLAG_PASS2;
3189 }
3190 }
3191
3192 if (forced_key_frames)
3193 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3194 }
3195 if (video_language) {
3196 av_dict_set(&st->metadata, "language", video_language, 0);
3197 av_freep(&video_language);
3198 }
3199
3200 /* reset some key parameters */
3201 video_disable = 0;
3202 av_freep(&forced_key_frames);
3203 frame_pix_fmt = PIX_FMT_NONE;
3204 return ost;
3205 }
3206
3207 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3208 {
3209 AVStream *st;
3210 OutputStream *ost;
3211 AVCodecContext *audio_enc;
3212
3213 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3214 st = ost->st;
3215
3216 ost->bitstream_filters = audio_bitstream_filters;
3217 audio_bitstream_filters= NULL;
3218
3219 audio_enc = st->codec;
3220 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3221
3222 if(audio_codec_tag)
3223 audio_enc->codec_tag= audio_codec_tag;
3224
3225 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3226 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3227 }
3228 if (!st->stream_copy) {
3229 if (audio_qscale > QSCALE_NONE) {
3230 audio_enc->flags |= CODEC_FLAG_QSCALE;
3231 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3232 }
3233 if (audio_channels)
3234 audio_enc->channels = audio_channels;
3235 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3236 audio_enc->sample_fmt = audio_sample_fmt;
3237 if (audio_sample_rate)
3238 audio_enc->sample_rate = audio_sample_rate;
3239 }
3240 if (audio_language) {
3241 av_dict_set(&st->metadata, "language", audio_language, 0);
3242 av_freep(&audio_language);
3243 }
3244
3245 /* reset some key parameters */
3246 audio_disable = 0;
3247
3248 return ost;
3249 }
3250
3251 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3252 {
3253 AVStream *st;
3254 OutputStream *ost;
3255 AVCodecContext *data_enc;
3256
3257 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3258 st = ost->st;
3259 data_enc = st->codec;
3260 if (!st->stream_copy) {
3261 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3262 exit_program(1);
3263 }
3264
3265 if (data_codec_tag)
3266 data_enc->codec_tag= data_codec_tag;
3267
3268 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3269 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3270 }
3271
3272 data_disable = 0;
3273 return ost;
3274 }
3275
3276 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3277 {
3278 AVStream *st;
3279 OutputStream *ost;
3280 AVCodecContext *subtitle_enc;
3281
3282 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3283 st = ost->st;
3284 subtitle_enc = st->codec;
3285
3286 ost->bitstream_filters = subtitle_bitstream_filters;
3287 subtitle_bitstream_filters= NULL;
3288
3289 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3290
3291 if(subtitle_codec_tag)
3292 subtitle_enc->codec_tag= subtitle_codec_tag;
3293
3294 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3295 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3296 }
3297
3298 if (subtitle_language) {
3299 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3300 av_freep(&subtitle_language);
3301 }
3302
3303 subtitle_disable = 0;
3304 return ost;
3305 }
3306
3307 /* arg format is "output-stream-index:streamid-value". */
3308 static int opt_streamid(const char *opt, const char *arg)
3309 {
3310 int idx;
3311 char *p;
3312 char idx_str[16];
3313
3314 av_strlcpy(idx_str, arg, sizeof(idx_str));
3315 p = strchr(idx_str, ':');
3316 if (!p) {
3317 fprintf(stderr,
3318 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3319 arg, opt);
3320 exit_program(1);
3321 }
3322 *p++ = '\0';
3323 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3324 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3325 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3326 return 0;
3327 }
3328
3329 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3330 {
3331 AVFormatContext *is = ifile->ctx;
3332 AVFormatContext *os = ofile->ctx;
3333 int i;
3334
3335 for (i = 0; i < is->nb_chapters; i++) {
3336 AVChapter *in_ch = is->chapters[i], *out_ch;
3337 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3338 AV_TIME_BASE_Q, in_ch->time_base);
3339 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3340 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3341
3342
3343 if (in_ch->end < ts_off)
3344 continue;
3345 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3346 break;
3347
3348 out_ch = av_mallocz(sizeof(AVChapter));
3349 if (!out_ch)
3350 return AVERROR(ENOMEM);
3351
3352 out_ch->id = in_ch->id;
3353 out_ch->time_base = in_ch->time_base;
3354 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3355 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3356
3357 if (copy_metadata)
3358 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3359
3360 os->nb_chapters++;
3361 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3362 if (!os->chapters)
3363 return AVERROR(ENOMEM);
3364 os->chapters[os->nb_chapters - 1] = out_ch;
3365 }
3366 return 0;
3367 }
3368
3369 static int read_avserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
3370 {
3371 int i, err;
3372 AVFormatContext *ic = NULL;
3373
3374 err = avformat_open_input(&ic, filename, NULL, NULL);
3375 if (err < 0)
3376 return err;
3377 /* copy stream format */
3378 for(i=0;i<ic->nb_streams;i++) {
3379 AVStream *st;
3380 OutputStream *ost;
3381 AVCodec *codec;
3382
3383 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3384 ost = new_output_stream(o, s, codec->type);
3385 st = ost->st;
3386
3387 // FIXME: a more elegant solution is needed
3388 memcpy(st, ic->streams[i], sizeof(AVStream));
3389 st->info = NULL;
3390 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3391
3392 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3393 choose_sample_fmt(st, codec);
3394 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3395 choose_pixel_fmt(st, codec);
3396 }
3397
3398 av_close_input_file(ic);
3399 return 0;
3400 }
3401
3402 static void opt_output_file(void *optctx, const char *filename)
3403 {
3404 OptionsContext *o = optctx;
3405 AVFormatContext *oc;
3406 int i, err;
3407 AVOutputFormat *file_oformat;
3408 OutputStream *ost;
3409 InputStream *ist;
3410
3411 if (!strcmp(filename, "-"))
3412 filename = "pipe:";
3413
3414 oc = avformat_alloc_context();
3415 if (!oc) {
3416 print_error(filename, AVERROR(ENOMEM));
3417 exit_program(1);
3418 }
3419
3420 if (o->format) {
3421 file_oformat = av_guess_format(o->format, NULL, NULL);
3422 if (!file_oformat) {
3423 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", o->format);
3424 exit_program(1);
3425 }
3426 } else {
3427 file_oformat = av_guess_format(NULL, filename, NULL);
3428 if (!file_oformat) {
3429 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3430 filename);
3431 exit_program(1);
3432 }
3433 }
3434
3435 oc->oformat = file_oformat;
3436 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3437
3438 if (!strcmp(file_oformat->name, "ffm") &&
3439 av_strstart(filename, "http:", NULL)) {
3440 /* special case for files sent to avserver: we get the stream
3441 parameters from avserver */
3442 int err = read_avserver_streams(o, oc, filename);
3443 if (err < 0) {
3444 print_error(filename, err);
3445 exit_program(1);
3446 }
3447 } else if (!o->nb_stream_maps) {
3448 /* pick the "best" stream of each type */
3449 #define NEW_STREAM(type, index)\
3450 if (index >= 0) {\
3451 ost = new_ ## type ## _stream(o, oc);\
3452 ost->source_index = index;\
3453 ost->sync_ist = &input_streams[index];\
3454 input_streams[index].discard = 0;\
3455 }
3456
3457 /* video: highest resolution */
3458 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3459 int area = 0, idx = -1;
3460 for (i = 0; i < nb_input_streams; i++) {
3461 ist = &input_streams[i];
3462 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3463 ist->st->codec->width * ist->st->codec->height > area) {
3464 area = ist->st->codec->width * ist->st->codec->height;
3465 idx = i;
3466 }
3467 }
3468 NEW_STREAM(video, idx);
3469 }
3470
3471 /* audio: most channels */
3472 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3473 int channels = 0, idx = -1;
3474 for (i = 0; i < nb_input_streams; i++) {
3475 ist = &input_streams[i];
3476 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3477 ist->st->codec->channels > channels) {
3478 channels = ist->st->codec->channels;
3479 idx = i;
3480 }
3481 }
3482 NEW_STREAM(audio, idx);
3483 }
3484
3485 /* subtitles: pick first */
3486 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3487 for (i = 0; i < nb_input_streams; i++)
3488 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3489 NEW_STREAM(subtitle, i);
3490 break;
3491 }
3492 }
3493 /* do something with data? */
3494 } else {
3495 for (i = 0; i < o->nb_stream_maps; i++) {
3496 StreamMap *map = &o->stream_maps[i];
3497
3498 if (map->disabled)
3499 continue;
3500
3501 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3502 switch (ist->st->codec->codec_type) {
3503 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3504 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3505 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3506 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3507 default:
3508 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3509 map->file_index, map->stream_index);
3510 exit_program(1);
3511 }
3512
3513 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3514 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3515 map->sync_stream_index];
3516 ist->discard = 0;
3517 }
3518 }
3519
3520 av_dict_copy(&oc->metadata, metadata, 0);
3521 av_dict_free(&metadata);
3522
3523
3524 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3525 output_files[nb_output_files - 1].ctx = oc;
3526 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3527 output_files[nb_output_files - 1].recording_time = o->recording_time;
3528 output_files[nb_output_files - 1].start_time = o->start_time;
3529 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
3530 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3531
3532 /* check filename in case of an image number is expected */
3533 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3534 if (!av_filename_number_test(oc->filename)) {
3535 print_error(oc->filename, AVERROR(EINVAL));
3536 exit_program(1);
3537 }
3538 }
3539
3540 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3541 /* test if it already exists to avoid loosing precious files */
3542 if (!file_overwrite &&
3543 (strchr(filename, ':') == NULL ||
3544 filename[1] == ':' ||
3545 av_strstart(filename, "file:", NULL))) {
3546 if (avio_check(filename, 0) == 0) {
3547 if (!using_stdin) {
3548 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3549 fflush(stderr);
3550 if (!read_yesno()) {
3551 fprintf(stderr, "Not overwriting - exiting\n");
3552 exit_program(1);
3553 }
3554 }
3555 else {
3556 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3557 exit_program(1);
3558 }
3559 }
3560 }
3561
3562 /* open the file */
3563 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3564 print_error(filename, err);
3565 exit_program(1);
3566 }
3567 }
3568
3569 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3570 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3571 oc->flags |= AVFMT_FLAG_NONBLOCK;
3572
3573 /* copy chapters */
3574 if (o->chapters_input_file >= nb_input_files) {
3575 if (o->chapters_input_file == INT_MAX) {
3576 /* copy chapters from the first input file that has them*/
3577 o->chapters_input_file = -1;
3578 for (i = 0; i < nb_input_files; i++)
3579 if (input_files[i].ctx->nb_chapters) {
3580 o->chapters_input_file = i;
3581 break;
3582 }
3583 } else {
3584 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3585 o->chapters_input_file);
3586 exit_program(1);
3587 }
3588 }
3589 if (o->chapters_input_file >= 0)
3590 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
3591 o->metadata_chapters_manual);
3592
3593 /* copy metadata */
3594 for (i = 0; i < o->nb_meta_data_maps; i++) {
3595 AVFormatContext *files[2];
3596 AVDictionary **meta[2];
3597 int j;
3598
3599 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3600 if ((index) < 0 || (index) >= (nb_elems)) {\
3601 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3602 (desc), (index));\
3603 exit_program(1);\
3604 }
3605
3606 int in_file_index = o->meta_data_maps[i][1].file;
3607 if (in_file_index < 0)
3608 continue;
3609 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3610
3611 files[0] = oc;
3612 files[1] = input_files[in_file_index].ctx;
3613
3614 for (j = 0; j < 2; j++) {
3615 MetadataMap *map = &o->meta_data_maps[i][j];
3616
3617 switch (map->type) {
3618 case 'g':
3619 meta[j] = &files[j]->metadata;
3620 break;
3621 case 's':
3622 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3623 meta[j] = &files[j]->streams[map->index]->metadata;
3624 break;
3625 case 'c':
3626 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3627 meta[j] = &files[j]->chapters[map->index]->metadata;
3628 break;
3629 case 'p':
3630 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3631 meta[j] = &files[j]->programs[map->index]->metadata;
3632 break;
3633 }
3634 }
3635
3636 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3637 }
3638
3639 /* copy global metadata by default */
3640 if (!o->metadata_global_manual && nb_input_files)
3641 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3642 AV_DICT_DONT_OVERWRITE);
3643 if (!o->metadata_streams_manual)
3644 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3645 InputStream *ist = &input_streams[output_streams[i].source_index];
3646 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3647 }
3648
3649 frame_rate = (AVRational){0, 0};
3650 frame_width = 0;
3651 frame_height = 0;
3652 audio_sample_rate = 0;
3653 audio_channels = 0;
3654 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3655
3656 av_freep(&streamid_map);
3657 nb_streamid_map = 0;
3658
3659 av_freep(&forced_key_frames);
3660 reset_options(o);
3661 }
3662
3663 /* same option as mencoder */
3664 static int opt_pass(const char *opt, const char *arg)
3665 {
3666 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3667 return 0;
3668 }
3669
3670 static int64_t getutime(void)
3671 {
3672 #if HAVE_GETRUSAGE
3673 struct rusage rusage;
3674
3675 getrusage(RUSAGE_SELF, &rusage);
3676 return (rusage.ru_utime.tv_sec *