cfb231907bfc2647ca67f0b4ffba1e509693c668
[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 AVRational frame_rate;
110 static float video_qscale = 0;
111 static uint16_t *intra_matrix = NULL;
112 static uint16_t *inter_matrix = NULL;
113 static const char *video_rc_override_string=NULL;
114 static int video_discard = 0;
115 static int same_quant = 0;
116 static int do_deinterlace = 0;
117 static int top_field_first = -1;
118 static int me_threshold = 0;
119 static int intra_dc_precision = 8;
120 static int qp_hist = 0;
121 #if CONFIG_AVFILTER
122 static char *vfilters = NULL;
123 #endif
124
125 static int audio_sample_rate = 0;
126 #define QSCALE_NONE -99999
127 static float audio_qscale = QSCALE_NONE;
128
129 static int file_overwrite = 0;
130 static int do_benchmark = 0;
131 static int do_hex_dump = 0;
132 static int do_pkt_dump = 0;
133 static int do_psnr = 0;
134 static int do_pass = 0;
135 static char *pass_logfilename_prefix = NULL;
136 static int video_sync_method= -1;
137 static int audio_sync_method= 0;
138 static float audio_drift_threshold= 0.1;
139 static int copy_ts= 0;
140 static int copy_tb;
141 static int opt_shortest = 0;
142 static char *vstats_filename;
143 static FILE *vstats_file;
144 static int opt_programid = 0;
145 static int copy_initial_nonkeyframes = 0;
146
147 static int audio_volume = 256;
148
149 static int exit_on_error = 0;
150 static int using_stdin = 0;
151 static int verbose = 1;
152 static int64_t video_size = 0;
153 static int64_t audio_size = 0;
154 static int64_t extra_size = 0;
155 static int nb_frames_dup = 0;
156 static int nb_frames_drop = 0;
157 static int input_sync;
158 static int force_fps = 0;
159 static char *forced_key_frames = NULL;
160
161 static float dts_delta_threshold = 10;
162
163 static uint8_t *audio_buf;
164 static uint8_t *audio_out;
165 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
166
167 static short *samples;
168
169 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
170
171 typedef struct InputStream {
172 int file_index;
173 AVStream *st;
174 int discard; /* true if stream data should be discarded */
175 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
176 AVCodec *dec;
177
178 int64_t start; /* time when read started */
179 int64_t next_pts; /* synthetic pts for cases where pkt.pts
180 is not defined */
181 int64_t pts; /* current pts */
182 PtsCorrectionContext pts_ctx;
183 double ts_scale;
184 int is_start; /* is 1 at the start and after a discontinuity */
185 int showed_multi_packet_warning;
186 AVDictionary *opts;
187 } InputStream;
188
189 typedef struct InputFile {
190 AVFormatContext *ctx;
191 int eof_reached; /* true if eof reached */
192 int ist_index; /* index of first stream in ist_table */
193 int buffer_size; /* current total buffer size */
194 int64_t ts_offset;
195 int nb_streams; /* number of stream that avconv is aware of; may be different
196 from ctx.nb_streams if new streams appear during av_read_frame() */
197 int rate_emu;
198 } InputFile;
199
200 typedef struct OutputStream {
201 int file_index; /* file index */
202 int index; /* stream index in the output file */
203 int source_index; /* InputStream index */
204 AVStream *st; /* stream in the output file */
205 int encoding_needed; /* true if encoding needed for this stream */
206 int frame_number;
207 /* input pts and corresponding output pts
208 for A/V sync */
209 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
210 struct InputStream *sync_ist; /* input stream to sync against */
211 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
212 AVBitStreamFilterContext *bitstream_filters;
213 AVCodec *enc;
214 int64_t max_frames;
215
216 /* video only */
217 int video_resample;
218 AVFrame pict_tmp; /* temporary image for resampling */
219 struct SwsContext *img_resample_ctx; /* for image resampling */
220 int resample_height;
221 int resample_width;
222 int resample_pix_fmt;
223 AVRational frame_rate;
224
225 float frame_aspect_ratio;
226
227 /* forced key frames */
228 int64_t *forced_kf_pts;
229 int forced_kf_count;
230 int forced_kf_index;
231
232 /* audio only */
233 int audio_resample;
234 ReSampleContext *resample; /* for audio resampling */
235 int resample_sample_fmt;
236 int resample_channels;
237 int resample_sample_rate;
238 int reformat_pair;
239 AVAudioConvert *reformat_ctx;
240 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
241 FILE *logfile;
242
243 #if CONFIG_AVFILTER
244 AVFilterContext *output_video_filter;
245 AVFilterContext *input_video_filter;
246 AVFilterBufferRef *picref;
247 char *avfilter;
248 AVFilterGraph *graph;
249 #endif
250
251 int sws_flags;
252 AVDictionary *opts;
253 int is_past_recording_time;
254 } OutputStream;
255
256
257 typedef struct OutputFile {
258 AVFormatContext *ctx;
259 AVDictionary *opts;
260 int ost_index; /* index of the first stream in output_streams */
261 int64_t recording_time; /* desired length of the resulting file in microseconds */
262 int64_t start_time; /* start time in microseconds */
263 uint64_t limit_filesize;
264 } OutputFile;
265
266 static InputStream *input_streams = NULL;
267 static int nb_input_streams = 0;
268 static InputFile *input_files = NULL;
269 static int nb_input_files = 0;
270
271 static OutputStream *output_streams = NULL;
272 static int nb_output_streams = 0;
273 static OutputFile *output_files = NULL;
274 static int nb_output_files = 0;
275
276 typedef struct OptionsContext {
277 /* input/output options */
278 int64_t start_time;
279 const char *format;
280
281 SpecifierOpt *codec_names;
282 int nb_codec_names;
283 SpecifierOpt *audio_channels;
284 int nb_audio_channels;
285
286 /* input options */
287 int64_t input_ts_offset;
288 int rate_emu;
289
290 SpecifierOpt *ts_scale;
291 int nb_ts_scale;
292
293 /* output options */
294 StreamMap *stream_maps;
295 int nb_stream_maps;
296 /* first item specifies output metadata, second is input */
297 MetadataMap (*meta_data_maps)[2];
298 int nb_meta_data_maps;
299 int metadata_global_manual;
300 int metadata_streams_manual;
301 int metadata_chapters_manual;
302
303 int chapters_input_file;
304
305 int64_t recording_time;
306 uint64_t limit_filesize;
307 float mux_preload;
308 float mux_max_delay;
309
310 int video_disable;
311 int audio_disable;
312 int subtitle_disable;
313 int data_disable;
314
315 SpecifierOpt *metadata;
316 int nb_metadata;
317 SpecifierOpt *max_frames;
318 int nb_max_frames;
319 SpecifierOpt *bitstream_filters;
320 int nb_bitstream_filters;
321 SpecifierOpt *codec_tags;
322 int nb_codec_tags;
323 } OptionsContext;
324
325 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
326 {\
327 int i, ret;\
328 for (i = 0; i < o->nb_ ## name; i++) {\
329 char *spec = o->name[i].specifier;\
330 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
331 outvar = o->name[i].u.type;\
332 else if (ret < 0)\
333 exit_program(1);\
334 }\
335 }
336
337 static void reset_options(OptionsContext *o)
338 {
339 const OptionDef *po = options;
340
341 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
342 while (po->name) {
343 void *dst = (uint8_t*)o + po->u.off;
344
345 if (po->flags & OPT_SPEC) {
346 SpecifierOpt **so = dst;
347 int i, *count = (int*)(so + 1);
348 for (i = 0; i < *count; i++) {
349 av_freep(&(*so)[i].specifier);
350 if (po->flags & OPT_STRING)
351 av_freep(&(*so)[i].u.str);
352 }
353 av_freep(so);
354 *count = 0;
355 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
356 av_freep(dst);
357 po++;
358 }
359
360 av_freep(&o->stream_maps);
361 av_freep(&o->meta_data_maps);
362
363 memset(o, 0, sizeof(*o));
364
365 o->mux_preload = 0.5;
366 o->mux_max_delay = 0.7;
367 o->recording_time = INT64_MAX;
368 o->limit_filesize = UINT64_MAX;
369 o->chapters_input_file = INT_MAX;
370
371 uninit_opts();
372 init_opts();
373 }
374
375 #if CONFIG_AVFILTER
376
377 static int configure_video_filters(InputStream *ist, OutputStream *ost)
378 {
379 AVFilterContext *last_filter, *filter;
380 /** filter graph containing all filters including input & output */
381 AVCodecContext *codec = ost->st->codec;
382 AVCodecContext *icodec = ist->st->codec;
383 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
384 AVRational sample_aspect_ratio;
385 char args[255];
386 int ret;
387
388 ost->graph = avfilter_graph_alloc();
389
390 if (ist->st->sample_aspect_ratio.num){
391 sample_aspect_ratio = ist->st->sample_aspect_ratio;
392 }else
393 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
394
395 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
396 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
397 sample_aspect_ratio.num, sample_aspect_ratio.den);
398
399 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
400 "src", args, NULL, ost->graph);
401 if (ret < 0)
402 return ret;
403 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
404 "out", NULL, &ffsink_ctx, ost->graph);
405 if (ret < 0)
406 return ret;
407 last_filter = ost->input_video_filter;
408
409 if (codec->width != icodec->width || codec->height != icodec->height) {
410 snprintf(args, 255, "%d:%d:flags=0x%X",
411 codec->width,
412 codec->height,
413 ost->sws_flags);
414 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
415 NULL, args, NULL, ost->graph)) < 0)
416 return ret;
417 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
418 return ret;
419 last_filter = filter;
420 }
421
422 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
423 ost->graph->scale_sws_opts = av_strdup(args);
424
425 if (ost->avfilter) {
426 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
427 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
428
429 outputs->name = av_strdup("in");
430 outputs->filter_ctx = last_filter;
431 outputs->pad_idx = 0;
432 outputs->next = NULL;
433
434 inputs->name = av_strdup("out");
435 inputs->filter_ctx = ost->output_video_filter;
436 inputs->pad_idx = 0;
437 inputs->next = NULL;
438
439 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
440 return ret;
441 av_freep(&ost->avfilter);
442 } else {
443 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
444 return ret;
445 }
446
447 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
448 return ret;
449
450 codec->width = ost->output_video_filter->inputs[0]->w;
451 codec->height = ost->output_video_filter->inputs[0]->h;
452 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
453 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
454 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
455 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
456
457 return 0;
458 }
459 #endif /* CONFIG_AVFILTER */
460
461 static void term_exit(void)
462 {
463 av_log(NULL, AV_LOG_QUIET, "");
464 }
465
466 static volatile int received_sigterm = 0;
467 static volatile int received_nb_signals = 0;
468
469 static void
470 sigterm_handler(int sig)
471 {
472 received_sigterm = sig;
473 received_nb_signals++;
474 term_exit();
475 }
476
477 static void term_init(void)
478 {
479 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
480 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
481 #ifdef SIGXCPU
482 signal(SIGXCPU, sigterm_handler);
483 #endif
484 }
485
486 static int decode_interrupt_cb(void)
487 {
488 return received_nb_signals > 1;
489 }
490
491 void exit_program(int ret)
492 {
493 int i;
494
495 /* close files */
496 for(i=0;i<nb_output_files;i++) {
497 AVFormatContext *s = output_files[i].ctx;
498 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
499 avio_close(s->pb);
500 avformat_free_context(s);
501 av_dict_free(&output_files[i].opts);
502 }
503 for(i=0;i<nb_input_files;i++) {
504 av_close_input_file(input_files[i].ctx);
505 }
506 for (i = 0; i < nb_input_streams; i++)
507 av_dict_free(&input_streams[i].opts);
508
509 av_free(intra_matrix);
510 av_free(inter_matrix);
511
512 if (vstats_file)
513 fclose(vstats_file);
514 av_free(vstats_filename);
515
516 av_freep(&input_streams);
517 av_freep(&input_files);
518 av_freep(&output_streams);
519 av_freep(&output_files);
520
521 uninit_opts();
522 av_free(audio_buf);
523 av_free(audio_out);
524 allocated_audio_buf_size= allocated_audio_out_size= 0;
525 av_free(samples);
526
527 #if CONFIG_AVFILTER
528 avfilter_uninit();
529 #endif
530
531 if (received_sigterm) {
532 fprintf(stderr,
533 "Received signal %d: terminating.\n",
534 (int) received_sigterm);
535 exit (255);
536 }
537
538 exit(ret); /* not all OS-es handle main() return value */
539 }
540
541 static void assert_avoptions(AVDictionary *m)
542 {
543 AVDictionaryEntry *t;
544 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
545 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
546 exit_program(1);
547 }
548 }
549
550 static void assert_codec_experimental(AVCodecContext *c, int encoder)
551 {
552 const char *codec_string = encoder ? "encoder" : "decoder";
553 AVCodec *codec;
554 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
555 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
556 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
557 "results.\nAdd '-strict experimental' if you want to use it.\n",
558 codec_string, c->codec->name);
559 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
560 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
561 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
562 codec_string, codec->name);
563 exit_program(1);
564 }
565 }
566
567 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
568 {
569 if(codec && codec->sample_fmts){
570 const enum AVSampleFormat *p= codec->sample_fmts;
571 for(; *p!=-1; p++){
572 if(*p == st->codec->sample_fmt)
573 break;
574 }
575 if (*p == -1) {
576 av_log(NULL, AV_LOG_WARNING,
577 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
578 av_get_sample_fmt_name(st->codec->sample_fmt),
579 codec->name,
580 av_get_sample_fmt_name(codec->sample_fmts[0]));
581 st->codec->sample_fmt = codec->sample_fmts[0];
582 }
583 }
584 }
585
586 /**
587 * Update the requested input sample format based on the output sample format.
588 * This is currently only used to request float output from decoders which
589 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
590 * Ideally this will be removed in the future when decoders do not do format
591 * conversion and only output in their native format.
592 */
593 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
594 AVCodecContext *enc)
595 {
596 /* if sample formats match or a decoder sample format has already been
597 requested, just return */
598 if (enc->sample_fmt == dec->sample_fmt ||
599 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
600 return;
601
602 /* if decoder supports more than one output format */
603 if (dec_codec && dec_codec->sample_fmts &&
604 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
605 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
606 const enum AVSampleFormat *p;
607 int min_dec = -1, min_inc = -1;
608
609 /* find a matching sample format in the encoder */
610 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
611 if (*p == enc->sample_fmt) {
612 dec->request_sample_fmt = *p;
613 return;
614 } else if (*p > enc->sample_fmt) {
615 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
616 } else
617 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
618 }
619
620 /* if none match, provide the one that matches quality closest */
621 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
622 enc->sample_fmt - min_dec;
623 }
624 }
625
626 static void choose_sample_rate(AVStream *st, AVCodec *codec)
627 {
628 if(codec && codec->supported_samplerates){
629 const int *p= codec->supported_samplerates;
630 int best=0;
631 int best_dist=INT_MAX;
632 for(; *p; p++){
633 int dist= abs(st->codec->sample_rate - *p);
634 if(dist < best_dist){
635 best_dist= dist;
636 best= *p;
637 }
638 }
639 if(best_dist){
640 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
641 }
642 st->codec->sample_rate= best;
643 }
644 }
645
646 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
647 {
648 if(codec && codec->pix_fmts){
649 const enum PixelFormat *p= codec->pix_fmts;
650 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
651 if(st->codec->codec_id==CODEC_ID_MJPEG){
652 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
653 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
654 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};
655 }
656 }
657 for(; *p!=-1; p++){
658 if(*p == st->codec->pix_fmt)
659 break;
660 }
661 if (*p == -1) {
662 if(st->codec->pix_fmt != PIX_FMT_NONE)
663 av_log(NULL, AV_LOG_WARNING,
664 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
665 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
666 codec->name,
667 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
668 st->codec->pix_fmt = codec->pix_fmts[0];
669 }
670 }
671 }
672
673 static double
674 get_sync_ipts(const OutputStream *ost)
675 {
676 const InputStream *ist = ost->sync_ist;
677 OutputFile *of = &output_files[ost->file_index];
678 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
679 }
680
681 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
682 int ret;
683
684 while(bsfc){
685 AVPacket new_pkt= *pkt;
686 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
687 &new_pkt.data, &new_pkt.size,
688 pkt->data, pkt->size,
689 pkt->flags & AV_PKT_FLAG_KEY);
690 if(a>0){
691 av_free_packet(pkt);
692 new_pkt.destruct= av_destruct_packet;
693 } else if(a<0){
694 fprintf(stderr, "%s failed for stream %d, codec %s",
695 bsfc->filter->name, pkt->stream_index,
696 avctx->codec ? avctx->codec->name : "copy");
697 print_error("", a);
698 if (exit_on_error)
699 exit_program(1);
700 }
701 *pkt= new_pkt;
702
703 bsfc= bsfc->next;
704 }
705
706 ret= av_interleaved_write_frame(s, pkt);
707 if(ret < 0){
708 print_error("av_interleaved_write_frame()", ret);
709 exit_program(1);
710 }
711 }
712
713 static void do_audio_out(AVFormatContext *s,
714 OutputStream *ost,
715 InputStream *ist,
716 unsigned char *buf, int size)
717 {
718 uint8_t *buftmp;
719 int64_t audio_out_size, audio_buf_size;
720 int64_t allocated_for_size= size;
721
722 int size_out, frame_bytes, ret, resample_changed;
723 AVCodecContext *enc= ost->st->codec;
724 AVCodecContext *dec= ist->st->codec;
725 int osize = av_get_bytes_per_sample(enc->sample_fmt);
726 int isize = av_get_bytes_per_sample(dec->sample_fmt);
727 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
728
729 need_realloc:
730 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
731 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
732 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
733 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
734 audio_buf_size*= osize*enc->channels;
735
736 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
737 if(coded_bps > 8*osize)
738 audio_out_size= audio_out_size * coded_bps / (8*osize);
739 audio_out_size += FF_MIN_BUFFER_SIZE;
740
741 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
742 fprintf(stderr, "Buffer sizes too large\n");
743 exit_program(1);
744 }
745
746 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
747 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
748 if (!audio_buf || !audio_out){
749 fprintf(stderr, "Out of memory in do_audio_out\n");
750 exit_program(1);
751 }
752
753 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
754 ost->audio_resample = 1;
755
756 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
757 ost->resample_channels != dec->channels ||
758 ost->resample_sample_rate != dec->sample_rate;
759
760 if ((ost->audio_resample && !ost->resample) || resample_changed) {
761 if (resample_changed) {
762 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",
763 ist->file_index, ist->st->index,
764 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
765 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
766 ost->resample_sample_fmt = dec->sample_fmt;
767 ost->resample_channels = dec->channels;
768 ost->resample_sample_rate = dec->sample_rate;
769 if (ost->resample)
770 audio_resample_close(ost->resample);
771 }
772 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
773 if (audio_sync_method <= 1 &&
774 ost->resample_sample_fmt == enc->sample_fmt &&
775 ost->resample_channels == enc->channels &&
776 ost->resample_sample_rate == enc->sample_rate) {
777 ost->resample = NULL;
778 ost->audio_resample = 0;
779 } else if (ost->audio_resample) {
780 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
781 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
782 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
783 enc->sample_rate, dec->sample_rate,
784 enc->sample_fmt, dec->sample_fmt,
785 16, 10, 0, 0.8);
786 if (!ost->resample) {
787 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
788 dec->channels, dec->sample_rate,
789 enc->channels, enc->sample_rate);
790 exit_program(1);
791 }
792 }
793 }
794
795 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
796 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
797 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
798 if (ost->reformat_ctx)
799 av_audio_convert_free(ost->reformat_ctx);
800 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
801 dec->sample_fmt, 1, NULL, 0);
802 if (!ost->reformat_ctx) {
803 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
804 av_get_sample_fmt_name(dec->sample_fmt),
805 av_get_sample_fmt_name(enc->sample_fmt));
806 exit_program(1);
807 }
808 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
809 }
810
811 if(audio_sync_method){
812 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
813 - av_fifo_size(ost->fifo)/(enc->channels * 2);
814 double idelta= delta*dec->sample_rate / enc->sample_rate;
815 int byte_delta= ((int)idelta)*2*dec->channels;
816
817 //FIXME resample delay
818 if(fabs(delta) > 50){
819 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
820 if(byte_delta < 0){
821 byte_delta= FFMAX(byte_delta, -size);
822 size += byte_delta;
823 buf -= byte_delta;
824 if(verbose > 2)
825 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
826 if(!size)
827 return;
828 ist->is_start=0;
829 }else{
830 static uint8_t *input_tmp= NULL;
831 input_tmp= av_realloc(input_tmp, byte_delta + size);
832
833 if(byte_delta > allocated_for_size - size){
834 allocated_for_size= byte_delta + (int64_t)size;
835 goto need_realloc;
836 }
837 ist->is_start=0;
838
839 memset(input_tmp, 0, byte_delta);
840 memcpy(input_tmp + byte_delta, buf, size);
841 buf= input_tmp;
842 size += byte_delta;
843 if(verbose > 2)
844 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
845 }
846 }else if(audio_sync_method>1){
847 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
848 av_assert0(ost->audio_resample);
849 if(verbose > 2)
850 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
851 // 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));
852 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
853 }
854 }
855 }else
856 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
857 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
858
859 if (ost->audio_resample) {
860 buftmp = audio_buf;
861 size_out = audio_resample(ost->resample,
862 (short *)buftmp, (short *)buf,
863 size / (dec->channels * isize));
864 size_out = size_out * enc->channels * osize;
865 } else {
866 buftmp = buf;
867 size_out = size;
868 }
869
870 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
871 const void *ibuf[6]= {buftmp};
872 void *obuf[6]= {audio_buf};
873 int istride[6]= {isize};
874 int ostride[6]= {osize};
875 int len= size_out/istride[0];
876 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
877 printf("av_audio_convert() failed\n");
878 if (exit_on_error)
879 exit_program(1);
880 return;
881 }
882 buftmp = audio_buf;
883 size_out = len*osize;
884 }
885
886 /* now encode as many frames as possible */
887 if (enc->frame_size > 1) {
888 /* output resampled raw samples */
889 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
890 fprintf(stderr, "av_fifo_realloc2() failed\n");
891 exit_program(1);
892 }
893 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
894
895 frame_bytes = enc->frame_size * osize * enc->channels;
896
897 while (av_fifo_size(ost->fifo) >= frame_bytes) {
898 AVPacket pkt;
899 av_init_packet(&pkt);
900
901 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
902
903 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
904
905 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
906 (short *)audio_buf);
907 if (ret < 0) {
908 fprintf(stderr, "Audio encoding failed\n");
909 exit_program(1);
910 }
911 audio_size += ret;
912 pkt.stream_index= ost->index;
913 pkt.data= audio_out;
914 pkt.size= ret;
915 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
916 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
917 pkt.flags |= AV_PKT_FLAG_KEY;
918 write_frame(s, &pkt, enc, ost->bitstream_filters);
919
920 ost->sync_opts += enc->frame_size;
921 }
922 } else {
923 AVPacket pkt;
924 av_init_packet(&pkt);
925
926 ost->sync_opts += size_out / (osize * enc->channels);
927
928 /* output a pcm frame */
929 /* determine the size of the coded buffer */
930 size_out /= osize;
931 if (coded_bps)
932 size_out = size_out*coded_bps/8;
933
934 if(size_out > audio_out_size){
935 fprintf(stderr, "Internal error, buffer size too small\n");
936 exit_program(1);
937 }
938
939 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
940 ret = avcodec_encode_audio(enc, audio_out, size_out,
941 (short *)buftmp);
942 if (ret < 0) {
943 fprintf(stderr, "Audio encoding failed\n");
944 exit_program(1);
945 }
946 audio_size += ret;
947 pkt.stream_index= ost->index;
948 pkt.data= audio_out;
949 pkt.size= ret;
950 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
951 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
952 pkt.flags |= AV_PKT_FLAG_KEY;
953 write_frame(s, &pkt, enc, ost->bitstream_filters);
954 }
955 }
956
957 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
958 {
959 AVCodecContext *dec;
960 AVPicture *picture2;
961 AVPicture picture_tmp;
962 uint8_t *buf = 0;
963
964 dec = ist->st->codec;
965
966 /* deinterlace : must be done before any resize */
967 if (do_deinterlace) {
968 int size;
969
970 /* create temporary picture */
971 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
972 buf = av_malloc(size);
973 if (!buf)
974 return;
975
976 picture2 = &picture_tmp;
977 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
978
979 if(avpicture_deinterlace(picture2, picture,
980 dec->pix_fmt, dec->width, dec->height) < 0) {
981 /* if error, do not deinterlace */
982 fprintf(stderr, "Deinterlacing failed\n");
983 av_free(buf);
984 buf = NULL;
985 picture2 = picture;
986 }
987 } else {
988 picture2 = picture;
989 }
990
991 if (picture != picture2)
992 *picture = *picture2;
993 *bufp = buf;
994 }
995
996 static void do_subtitle_out(AVFormatContext *s,
997 OutputStream *ost,
998 InputStream *ist,
999 AVSubtitle *sub,
1000 int64_t pts)
1001 {
1002 static uint8_t *subtitle_out = NULL;
1003 int subtitle_out_max_size = 1024 * 1024;
1004 int subtitle_out_size, nb, i;
1005 AVCodecContext *enc;
1006 AVPacket pkt;
1007
1008 if (pts == AV_NOPTS_VALUE) {
1009 fprintf(stderr, "Subtitle packets must have a pts\n");
1010 if (exit_on_error)
1011 exit_program(1);
1012 return;
1013 }
1014
1015 enc = ost->st->codec;
1016
1017 if (!subtitle_out) {
1018 subtitle_out = av_malloc(subtitle_out_max_size);
1019 }
1020
1021 /* Note: DVB subtitle need one packet to draw them and one other
1022 packet to clear them */
1023 /* XXX: signal it in the codec context ? */
1024 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1025 nb = 2;
1026 else
1027 nb = 1;
1028
1029 for(i = 0; i < nb; i++) {
1030 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1031 // start_display_time is required to be 0
1032 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1033 sub->end_display_time -= sub->start_display_time;
1034 sub->start_display_time = 0;
1035 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1036 subtitle_out_max_size, sub);
1037 if (subtitle_out_size < 0) {
1038 fprintf(stderr, "Subtitle encoding failed\n");
1039 exit_program(1);
1040 }
1041
1042 av_init_packet(&pkt);
1043 pkt.stream_index = ost->index;
1044 pkt.data = subtitle_out;
1045 pkt.size = subtitle_out_size;
1046 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1047 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1048 /* XXX: the pts correction is handled here. Maybe handling
1049 it in the codec would be better */
1050 if (i == 0)
1051 pkt.pts += 90 * sub->start_display_time;
1052 else
1053 pkt.pts += 90 * sub->end_display_time;
1054 }
1055 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1056 }
1057 }
1058
1059 static int bit_buffer_size= 1024*256;
1060 static uint8_t *bit_buffer= NULL;
1061
1062 static void do_video_resample(OutputStream *ost,
1063 InputStream *ist,
1064 AVFrame *in_picture,
1065 AVFrame **out_picture)
1066 {
1067 int resample_changed = 0;
1068 AVCodecContext *dec = ist->st->codec;
1069 *out_picture = in_picture;
1070
1071 resample_changed = ost->resample_width != dec->width ||
1072 ost->resample_height != dec->height ||
1073 ost->resample_pix_fmt != dec->pix_fmt;
1074
1075 if (resample_changed) {
1076 av_log(NULL, AV_LOG_INFO,
1077 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1078 ist->file_index, ist->st->index,
1079 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1080 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1081 if(!ost->video_resample)
1082 ost->video_resample = 1;
1083 }
1084
1085 #if !CONFIG_AVFILTER
1086 if (ost->video_resample) {
1087 *out_picture = &ost->pict_tmp;
1088 if (resample_changed) {
1089 /* initialize a new scaler context */
1090 sws_freeContext(ost->img_resample_ctx);
1091 ost->img_resample_ctx = sws_getContext(
1092 ist->st->codec->width,
1093 ist->st->codec->height,
1094 ist->st->codec->pix_fmt,
1095 ost->st->codec->width,
1096 ost->st->codec->height,
1097 ost->st->codec->pix_fmt,
1098 ost->sws_flags, NULL, NULL, NULL);
1099 if (ost->img_resample_ctx == NULL) {
1100 fprintf(stderr, "Cannot get resampling context\n");
1101 exit_program(1);
1102 }
1103 }
1104 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1105 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1106 }
1107 #else
1108 if (resample_changed) {
1109 avfilter_graph_free(&ost->graph);
1110 if (configure_video_filters(ist, ost)) {
1111 fprintf(stderr, "Error reinitializing filters!\n");
1112 exit_program(1);
1113 }
1114 }
1115 #endif
1116 if (resample_changed) {
1117 ost->resample_width = dec->width;
1118 ost->resample_height = dec->height;
1119 ost->resample_pix_fmt = dec->pix_fmt;
1120 }
1121 }
1122
1123
1124 static void do_video_out(AVFormatContext *s,
1125 OutputStream *ost,
1126 InputStream *ist,
1127 AVFrame *in_picture,
1128 int *frame_size, float quality)
1129 {
1130 int nb_frames, i, ret, format_video_sync;
1131 AVFrame *final_picture;
1132 AVCodecContext *enc;
1133 double sync_ipts;
1134
1135 enc = ost->st->codec;
1136
1137 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1138
1139 /* by default, we output a single frame */
1140 nb_frames = 1;
1141
1142 *frame_size = 0;
1143
1144 format_video_sync = video_sync_method;
1145 if (format_video_sync < 0)
1146 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1147
1148 if (format_video_sync) {
1149 double vdelta = sync_ipts - ost->sync_opts;
1150 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1151 if (vdelta < -1.1)
1152 nb_frames = 0;
1153 else if (format_video_sync == 2) {
1154 if(vdelta<=-0.6){
1155 nb_frames=0;
1156 }else if(vdelta>0.6)
1157 ost->sync_opts= lrintf(sync_ipts);
1158 }else if (vdelta > 1.1)
1159 nb_frames = lrintf(vdelta);
1160 //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);
1161 if (nb_frames == 0){
1162 ++nb_frames_drop;
1163 if (verbose>2)
1164 fprintf(stderr, "*** drop!\n");
1165 }else if (nb_frames > 1) {
1166 nb_frames_dup += nb_frames - 1;
1167 if (verbose>2)
1168 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1169 }
1170 }else
1171 ost->sync_opts= lrintf(sync_ipts);
1172
1173 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1174 if (nb_frames <= 0)
1175 return;
1176
1177 do_video_resample(ost, ist, in_picture, &final_picture);
1178
1179 /* duplicates frame if needed */
1180 for(i=0;i<nb_frames;i++) {
1181 AVPacket pkt;
1182 av_init_packet(&pkt);
1183 pkt.stream_index= ost->index;
1184
1185 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1186 /* raw pictures are written as AVPicture structure to
1187 avoid any copies. We support temporarily the older
1188 method. */
1189 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1190 enc->coded_frame->top_field_first = in_picture->top_field_first;
1191 pkt.data= (uint8_t *)final_picture;
1192 pkt.size= sizeof(AVPicture);
1193 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1194 pkt.flags |= AV_PKT_FLAG_KEY;
1195
1196 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1197 } else {
1198 AVFrame big_picture;
1199
1200 big_picture= *final_picture;
1201 /* better than nothing: use input picture interlaced
1202 settings */
1203 big_picture.interlaced_frame = in_picture->interlaced_frame;
1204 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1205 if(top_field_first == -1)
1206 big_picture.top_field_first = in_picture->top_field_first;
1207 else
1208 big_picture.top_field_first = top_field_first;
1209 }
1210
1211 /* handles same_quant here. This is not correct because it may
1212 not be a global option */
1213 big_picture.quality = quality;
1214 if(!me_threshold)
1215 big_picture.pict_type = 0;
1216 // big_picture.pts = AV_NOPTS_VALUE;
1217 big_picture.pts= ost->sync_opts;
1218 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1219 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1220 if (ost->forced_kf_index < ost->forced_kf_count &&
1221 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1222 big_picture.pict_type = AV_PICTURE_TYPE_I;
1223 ost->forced_kf_index++;
1224 }
1225 ret = avcodec_encode_video(enc,
1226 bit_buffer, bit_buffer_size,
1227 &big_picture);
1228 if (ret < 0) {
1229 fprintf(stderr, "Video encoding failed\n");
1230 exit_program(1);
1231 }
1232
1233 if(ret>0){
1234 pkt.data= bit_buffer;
1235 pkt.size= ret;
1236 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1237 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1238 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1239 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1240 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1241
1242 if(enc->coded_frame->key_frame)
1243 pkt.flags |= AV_PKT_FLAG_KEY;
1244 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1245 *frame_size = ret;
1246 video_size += ret;
1247 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1248 // enc->frame_number-1, ret, enc->pict_type);
1249 /* if two pass, output log */
1250 if (ost->logfile && enc->stats_out) {
1251 fprintf(ost->logfile, "%s", enc->stats_out);
1252 }
1253 }
1254 }
1255 ost->sync_opts++;
1256 ost->frame_number++;
1257 }
1258 }
1259
1260 static double psnr(double d){
1261 return -10.0*log(d)/log(10.0);
1262 }
1263
1264 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1265 int frame_size)
1266 {
1267 AVCodecContext *enc;
1268 int frame_number;
1269 double ti1, bitrate, avg_bitrate;
1270
1271 /* this is executed just the first time do_video_stats is called */
1272 if (!vstats_file) {
1273 vstats_file = fopen(vstats_filename, "w");
1274 if (!vstats_file) {
1275 perror("fopen");
1276 exit_program(1);
1277 }
1278 }
1279
1280 enc = ost->st->codec;
1281 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1282 frame_number = ost->frame_number;
1283 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1284 if (enc->flags&CODEC_FLAG_PSNR)
1285 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1286
1287 fprintf(vstats_file,"f_size= %6d ", frame_size);
1288 /* compute pts value */
1289 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1290 if (ti1 < 0.01)
1291 ti1 = 0.01;
1292
1293 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1294 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1295 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1296 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1297 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1298 }
1299 }
1300
1301 static void print_report(OutputFile *output_files,
1302 OutputStream *ost_table, int nb_ostreams,
1303 int is_last_report, int64_t timer_start)
1304 {
1305 char buf[1024];
1306 OutputStream *ost;
1307 AVFormatContext *oc;
1308 int64_t total_size;
1309 AVCodecContext *enc;
1310 int frame_number, vid, i;
1311 double bitrate, ti1, pts;
1312 static int64_t last_time = -1;
1313 static int qp_histogram[52];
1314
1315 if (!is_last_report) {
1316 int64_t cur_time;
1317 /* display the report every 0.5 seconds */
1318 cur_time = av_gettime();
1319 if (last_time == -1) {
1320 last_time = cur_time;
1321 return;
1322 }
1323 if ((cur_time - last_time) < 500000)
1324 return;
1325 last_time = cur_time;
1326 }
1327
1328
1329 oc = output_files[0].ctx;
1330
1331 total_size = avio_size(oc->pb);
1332 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1333 total_size= avio_tell(oc->pb);
1334
1335 buf[0] = '\0';
1336 ti1 = 1e10;
1337 vid = 0;
1338 for(i=0;i<nb_ostreams;i++) {
1339 float q = -1;
1340 ost = &ost_table[i];
1341 enc = ost->st->codec;
1342 if (!ost->st->stream_copy && enc->coded_frame)
1343 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1344 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1345 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1346 }
1347 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1348 float t = (av_gettime()-timer_start) / 1000000.0;
1349
1350 frame_number = ost->frame_number;
1351 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1352 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1353 if(is_last_report)
1354 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1355 if(qp_hist){
1356 int j;
1357 int qp = lrintf(q);
1358 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1359 qp_histogram[qp]++;
1360 for(j=0; j<32; j++)
1361 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1362 }
1363 if (enc->flags&CODEC_FLAG_PSNR){
1364 int j;
1365 double error, error_sum=0;
1366 double scale, scale_sum=0;
1367 char type[3]= {'Y','U','V'};
1368 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1369 for(j=0; j<3; j++){
1370 if(is_last_report){
1371 error= enc->error[j];
1372 scale= enc->width*enc->height*255.0*255.0*frame_number;
1373 }else{
1374 error= enc->coded_frame->error[j];
1375 scale= enc->width*enc->height*255.0*255.0;
1376 }
1377 if(j) scale/=4;
1378 error_sum += error;
1379 scale_sum += scale;
1380 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1381 }
1382 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1383 }
1384 vid = 1;
1385 }
1386 /* compute min output value */
1387 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1388 if ((pts < ti1) && (pts > 0))
1389 ti1 = pts;
1390 }
1391 if (ti1 < 0.01)
1392 ti1 = 0.01;
1393
1394 if (verbose > 0 || is_last_report) {
1395 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1396
1397 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1398 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1399 (double)total_size / 1024, ti1, bitrate);
1400
1401 if (nb_frames_dup || nb_frames_drop)
1402 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1403 nb_frames_dup, nb_frames_drop);
1404
1405 if (verbose >= 0)
1406 fprintf(stderr, "%s \r", buf);
1407
1408 fflush(stderr);
1409 }
1410
1411 if (is_last_report && verbose >= 0){
1412 int64_t raw= audio_size + video_size + extra_size;
1413 fprintf(stderr, "\n");
1414 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1415 video_size/1024.0,
1416 audio_size/1024.0,
1417 extra_size/1024.0,
1418 100.0*(total_size - raw)/raw
1419 );
1420 }
1421 }
1422
1423 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1424 {
1425 int fill_char = 0x00;
1426 if (sample_fmt == AV_SAMPLE_FMT_U8)
1427 fill_char = 0x80;
1428 memset(buf, fill_char, size);
1429 }
1430
1431 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1432 {
1433 int i, ret;
1434
1435 for (i = 0; i < nb_ostreams; i++) {
1436 OutputStream *ost = &ost_table[i];
1437 AVCodecContext *enc = ost->st->codec;
1438 AVFormatContext *os = output_files[ost->file_index].ctx;
1439
1440 if (!ost->encoding_needed)
1441 continue;
1442
1443 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1444 continue;
1445 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1446 continue;
1447
1448 for(;;) {
1449 AVPacket pkt;
1450 int fifo_bytes;
1451 av_init_packet(&pkt);
1452 pkt.stream_index= ost->index;
1453
1454 switch (ost->st->codec->codec_type) {
1455 case AVMEDIA_TYPE_AUDIO:
1456 fifo_bytes = av_fifo_size(ost->fifo);
1457 ret = 0;
1458 /* encode any samples remaining in fifo */
1459 if (fifo_bytes > 0) {
1460 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1461 int fs_tmp = enc->frame_size;
1462
1463 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1464 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1465 enc->frame_size = fifo_bytes / (osize * enc->channels);
1466 } else { /* pad */
1467 int frame_bytes = enc->frame_size*osize*enc->channels;
1468 if (allocated_audio_buf_size < frame_bytes)
1469 exit_program(1);
1470 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1471 }
1472
1473 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1474 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1475 ost->st->time_base.num, enc->sample_rate);
1476 enc->frame_size = fs_tmp;
1477 }
1478 if (ret <= 0) {
1479 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1480 }
1481 if (ret < 0) {
1482 fprintf(stderr, "Audio encoding failed\n");
1483 exit_program(1);
1484 }
1485 audio_size += ret;
1486 pkt.flags |= AV_PKT_FLAG_KEY;
1487 break;
1488 case AVMEDIA_TYPE_VIDEO:
1489 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1490 if (ret < 0) {
1491 fprintf(stderr, "Video encoding failed\n");
1492 exit_program(1);
1493 }
1494 video_size += ret;
1495 if(enc->coded_frame && enc->coded_frame->key_frame)
1496 pkt.flags |= AV_PKT_FLAG_KEY;
1497 if (ost->logfile && enc->stats_out) {
1498 fprintf(ost->logfile, "%s", enc->stats_out);
1499 }
1500 break;
1501 default:
1502 ret=-1;
1503 }
1504
1505 if (ret <= 0)
1506 break;
1507 pkt.data = bit_buffer;
1508 pkt.size = ret;
1509 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1510 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1511 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1512 }
1513 }
1514 }
1515
1516 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1517 static int output_packet(InputStream *ist, int ist_index,
1518 OutputStream *ost_table, int nb_ostreams,
1519 const AVPacket *pkt)
1520 {
1521 AVFormatContext *os;
1522 OutputStream *ost;
1523 int ret, i;
1524 int got_output;
1525 AVFrame picture;
1526 void *buffer_to_free = NULL;
1527 static unsigned int samples_size= 0;
1528 AVSubtitle subtitle, *subtitle_to_free;
1529 int64_t pkt_pts = AV_NOPTS_VALUE;
1530 #if CONFIG_AVFILTER
1531 int frame_available;
1532 #endif
1533 float quality;
1534
1535 AVPacket avpkt;
1536 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1537
1538 if(ist->next_pts == AV_NOPTS_VALUE)
1539 ist->next_pts= ist->pts;
1540
1541 if (pkt == NULL) {
1542 /* EOF handling */
1543 av_init_packet(&avpkt);
1544 avpkt.data = NULL;
1545 avpkt.size = 0;
1546 goto handle_eof;
1547 } else {
1548 avpkt = *pkt;
1549 }
1550
1551 if(pkt->dts != AV_NOPTS_VALUE)
1552 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1553 if(pkt->pts != AV_NOPTS_VALUE)
1554 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1555
1556 //while we have more to decode or while the decoder did output something on EOF
1557 while (avpkt.size > 0 || (!pkt && got_output)) {
1558 uint8_t *data_buf, *decoded_data_buf;
1559 int data_size, decoded_data_size;
1560 handle_eof:
1561 ist->pts= ist->next_pts;
1562
1563 if(avpkt.size && avpkt.size != pkt->size &&
1564 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1565 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1566 ist->showed_multi_packet_warning=1;
1567 }
1568
1569 /* decode the packet if needed */
1570 decoded_data_buf = NULL; /* fail safe */
1571 decoded_data_size= 0;
1572 data_buf = avpkt.data;
1573 data_size = avpkt.size;
1574 subtitle_to_free = NULL;
1575 if (ist->decoding_needed) {
1576 switch(ist->st->codec->codec_type) {
1577 case AVMEDIA_TYPE_AUDIO:{
1578 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1579 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1580 av_free(samples);
1581 samples= av_malloc(samples_size);
1582 }
1583 decoded_data_size= samples_size;
1584 /* XXX: could avoid copy if PCM 16 bits with same
1585 endianness as CPU */
1586 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1587 &avpkt);
1588 if (ret < 0)
1589 return ret;
1590 avpkt.data += ret;
1591 avpkt.size -= ret;
1592 data_size = ret;
1593 got_output = decoded_data_size > 0;
1594 /* Some bug in mpeg audio decoder gives */
1595 /* decoded_data_size < 0, it seems they are overflows */
1596 if (!got_output) {
1597 /* no audio frame */
1598 continue;
1599 }
1600 decoded_data_buf = (uint8_t *)samples;
1601 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1602 (ist->st->codec->sample_rate * ist->st->codec->channels);
1603 break;}
1604 case AVMEDIA_TYPE_VIDEO:
1605 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1606 /* XXX: allocate picture correctly */
1607 avcodec_get_frame_defaults(&picture);
1608 avpkt.pts = pkt_pts;
1609 avpkt.dts = ist->pts;
1610 pkt_pts = AV_NOPTS_VALUE;
1611
1612 ret = avcodec_decode_video2(ist->st->codec,
1613 &picture, &got_output, &avpkt);
1614 quality = same_quant ? picture.quality : 0;
1615 if (ret < 0)
1616 return ret;
1617 if (!got_output) {
1618 /* no picture yet */
1619 goto discard_packet;
1620 }
1621 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1622 if (ist->st->codec->time_base.num != 0) {
1623 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1624 ist->next_pts += ((int64_t)AV_TIME_BASE *
1625 ist->st->codec->time_base.num * ticks) /
1626 ist->st->codec->time_base.den;
1627 }
1628 avpkt.size = 0;
1629 buffer_to_free = NULL;
1630 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1631 break;
1632 case AVMEDIA_TYPE_SUBTITLE:
1633 ret = avcodec_decode_subtitle2(ist->st->codec,
1634 &subtitle, &got_output, &avpkt);
1635 if (ret < 0)
1636 return ret;
1637 if (!got_output) {
1638 goto discard_packet;
1639 }
1640 subtitle_to_free = &subtitle;
1641 avpkt.size = 0;
1642 break;
1643 default:
1644 return -1;
1645 }
1646 } else {
1647 switch(ist->st->codec->codec_type) {
1648 case AVMEDIA_TYPE_AUDIO:
1649 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1650 ist->st->codec->sample_rate;
1651 break;
1652 case AVMEDIA_TYPE_VIDEO:
1653 if (ist->st->codec->time_base.num != 0) {
1654 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1655 ist->next_pts += ((int64_t)AV_TIME_BASE *
1656 ist->st->codec->time_base.num * ticks) /
1657 ist->st->codec->time_base.den;
1658 }
1659 break;
1660 }
1661 avpkt.size = 0;
1662 }
1663
1664 // preprocess audio (volume)
1665 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1666 if (audio_volume != 256) {
1667 short *volp;
1668 volp = samples;
1669 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1670 int v = ((*volp) * audio_volume + 128) >> 8;
1671 *volp++ = av_clip_int16(v);
1672 }
1673 }
1674 }
1675
1676 /* frame rate emulation */
1677 if (input_files[ist->file_index].rate_emu) {
1678 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1679 int64_t now = av_gettime() - ist->start;
1680 if (pts > now)
1681 usleep(pts - now);
1682 }
1683 /* if output time reached then transcode raw format,
1684 encode packets and output them */
1685 for (i = 0; i < nb_ostreams; i++) {
1686 OutputFile *of = &output_files[ost_table[i].file_index];
1687 int frame_size;
1688
1689 ost = &ost_table[i];
1690 if (ost->source_index != ist_index)
1691 continue;
1692
1693 if (of->start_time && ist->pts < of->start_time)
1694 continue;
1695
1696 if (of->recording_time != INT64_MAX &&
1697 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1698 (AVRational){1, 1000000}) >= 0) {
1699 ost->is_past_recording_time = 1;
1700 continue;
1701 }
1702
1703 #if CONFIG_AVFILTER
1704 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1705 ost->input_video_filter) {
1706 AVRational sar;
1707 if (ist->st->sample_aspect_ratio.num)
1708 sar = ist->st->sample_aspect_ratio;
1709 else
1710 sar = ist->st->codec->sample_aspect_ratio;
1711 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1712 }
1713 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1714 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1715 while (frame_available) {
1716 AVRational ist_pts_tb;
1717 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1718 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1719 if (ost->picref)
1720 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1721 #endif
1722 os = output_files[ost->file_index].ctx;
1723
1724 /* set the input output pts pairs */
1725 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1726
1727 if (ost->encoding_needed) {
1728 av_assert0(ist->decoding_needed);
1729 switch(ost->st->codec->codec_type) {
1730 case AVMEDIA_TYPE_AUDIO:
1731 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1732 break;
1733 case AVMEDIA_TYPE_VIDEO:
1734 #if CONFIG_AVFILTER
1735 if (ost->picref->video && !ost->frame_aspect_ratio)
1736 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1737 #endif
1738 do_video_out(os, ost, ist, &picture, &frame_size,
1739 same_quant ? quality : ost->st->codec->global_quality);
1740 if (vstats_filename && frame_size)
1741 do_video_stats(os, ost, frame_size);
1742 break;
1743 case AVMEDIA_TYPE_SUBTITLE:
1744 do_subtitle_out(os, ost, ist, &subtitle,
1745 pkt->pts);
1746 break;
1747 default:
1748 abort();
1749 }
1750 } else {
1751 AVFrame avframe; //FIXME/XXX remove this
1752 AVPacket opkt;
1753 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1754
1755 av_init_packet(&opkt);
1756
1757 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1758 #if !CONFIG_AVFILTER
1759 continue;
1760 #else
1761 goto cont;
1762 #endif
1763
1764 /* no reencoding needed : output the packet directly */
1765 /* force the input stream PTS */
1766
1767 avcodec_get_frame_defaults(&avframe);
1768 ost->st->codec->coded_frame= &avframe;
1769 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1770
1771 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1772 audio_size += data_size;
1773 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1774 video_size += data_size;
1775 ost->sync_opts++;
1776 }
1777
1778 opkt.stream_index= ost->index;
1779 if(pkt->pts != AV_NOPTS_VALUE)
1780 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1781 else
1782 opkt.pts= AV_NOPTS_VALUE;
1783
1784 if (pkt->dts == AV_NOPTS_VALUE)
1785 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1786 else
1787 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1788 opkt.dts -= ost_tb_start_time;
1789
1790 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1791 opkt.flags= pkt->flags;
1792
1793 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1794 if( ost->st->codec->codec_id != CODEC_ID_H264
1795 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1796 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1797 ) {
1798 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1799 opkt.destruct= av_destruct_packet;
1800 } else {
1801 opkt.data = data_buf;
1802 opkt.size = data_size;
1803 }
1804
1805 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1806 ost->st->codec->frame_number++;
1807 ost->frame_number++;
1808 av_free_packet(&opkt);
1809 }
1810 #if CONFIG_AVFILTER
1811 cont:
1812 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1813 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1814 if (ost->picref)
1815 avfilter_unref_buffer(ost->picref);
1816 }
1817 #endif
1818 }
1819
1820 av_free(buffer_to_free);
1821 /* XXX: allocate the subtitles in the codec ? */
1822 if (subtitle_to_free) {
1823 avsubtitle_free(subtitle_to_free);
1824 subtitle_to_free = NULL;
1825 }
1826 }
1827 discard_packet:
1828
1829 return 0;
1830 }
1831
1832 static void print_sdp(OutputFile *output_files, int n)
1833 {
1834 char sdp[2048];
1835 int i;
1836 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1837
1838 if (!avc)
1839 exit_program(1);
1840 for (i = 0; i < n; i++)
1841 avc[i] = output_files[i].ctx;
1842
1843 av_sdp_create(avc, n, sdp, sizeof(sdp));
1844 printf("SDP:\n%s\n", sdp);
1845 fflush(stdout);
1846 av_freep(&avc);
1847 }
1848
1849 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1850 char *error, int error_len)
1851 {
1852 int i;
1853 InputStream *ist = &input_streams[ist_index];
1854 if (ist->decoding_needed) {
1855 AVCodec *codec = ist->dec;
1856 if (!codec) {
1857 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d.%d",
1858 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1859 return AVERROR(EINVAL);
1860 }
1861
1862 /* update requested sample format for the decoder based on the
1863 corresponding encoder sample format */
1864 for (i = 0; i < nb_output_streams; i++) {
1865 OutputStream *ost = &output_streams[i];
1866 if (ost->source_index == ist_index) {
1867 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1868 break;
1869 }
1870 }
1871
1872 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1873 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
1874 ist->file_index, ist->st->index);
1875 return AVERROR(EINVAL);
1876 }
1877 assert_codec_experimental(ist->st->codec, 0);
1878 assert_avoptions(ist->opts);
1879 }
1880
1881 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;
1882 ist->next_pts = AV_NOPTS_VALUE;
1883 init_pts_correction(&ist->pts_ctx);
1884 ist->is_start = 1;
1885
1886 return 0;
1887 }
1888
1889 static int transcode_init(OutputFile *output_files,
1890 int nb_output_files,
1891 InputFile *input_files,
1892 int nb_input_files)
1893 {
1894 int ret = 0, i, j;
1895 AVFormatContext *os;
1896 AVCodecContext *codec, *icodec;
1897 OutputStream *ost;
1898 InputStream *ist;
1899 char error[1024];
1900 int want_sdp = 1;
1901
1902 /* init framerate emulation */
1903 for (i = 0; i < nb_input_files; i++) {
1904 InputFile *ifile = &input_files[i];
1905 if (ifile->rate_emu)
1906 for (j = 0; j < ifile->nb_streams; j++)
1907 input_streams[j + ifile->ist_index].start = av_gettime();
1908 }
1909
1910 /* output stream init */
1911 for(i=0;i<nb_output_files;i++) {
1912 os = output_files[i].ctx;
1913 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1914 av_dump_format(os, i, os->filename, 1);
1915 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1916 return AVERROR(EINVAL);
1917 }
1918 }
1919
1920 /* for each output stream, we compute the right encoding parameters */
1921 for (i = 0; i < nb_output_streams; i++) {
1922 ost = &output_streams[i];
1923 os = output_files[ost->file_index].ctx;
1924 ist = &input_streams[ost->source_index];
1925
1926 codec = ost->st->codec;
1927 icodec = ist->st->codec;
1928
1929 ost->st->disposition = ist->st->disposition;
1930 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1931 codec->chroma_sample_location = icodec->chroma_sample_location;
1932
1933 if (ost->st->stream_copy) {
1934 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1935
1936 if (extra_size > INT_MAX) {
1937 return AVERROR(EINVAL);
1938 }
1939
1940 /* if stream_copy is selected, no need to decode or encode */
1941 codec->codec_id = icodec->codec_id;
1942 codec->codec_type = icodec->codec_type;
1943
1944 if(!codec->codec_tag){
1945 if( !os->oformat->codec_tag
1946 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1947 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1948 codec->codec_tag = icodec->codec_tag;
1949 }
1950
1951 codec->bit_rate = icodec->bit_rate;
1952 codec->rc_max_rate = icodec->rc_max_rate;
1953 codec->rc_buffer_size = icodec->rc_buffer_size;
1954 codec->extradata= av_mallocz(extra_size);
1955 if (!codec->extradata) {
1956 return AVERROR(ENOMEM);
1957 }
1958 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1959 codec->extradata_size= icodec->extradata_size;
1960 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){
1961 codec->time_base = icodec->time_base;
1962 codec->time_base.num *= icodec->ticks_per_frame;
1963 av_reduce(&codec->time_base.num, &codec->time_base.den,
1964 codec->time_base.num, codec->time_base.den, INT_MAX);
1965 }else
1966 codec->time_base = ist->st->time_base;
1967 switch(codec->codec_type) {
1968 case AVMEDIA_TYPE_AUDIO:
1969 if(audio_volume != 256) {
1970 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1971 exit_program(1);
1972 }
1973 codec->channel_layout = icodec->channel_layout;
1974 codec->sample_rate = icodec->sample_rate;
1975 codec->channels = icodec->channels;
1976 codec->frame_size = icodec->frame_size;
1977 codec->audio_service_type = icodec->audio_service_type;
1978 codec->block_align= icodec->block_align;
1979 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1980 codec->block_align= 0;
1981 if(codec->codec_id == CODEC_ID_AC3)
1982 codec->block_align= 0;
1983 break;
1984 case AVMEDIA_TYPE_VIDEO:
1985 codec->pix_fmt = icodec->pix_fmt;
1986 codec->width = icodec->width;
1987 codec->height = icodec->height;
1988 codec->has_b_frames = icodec->has_b_frames;
1989 if (!codec->sample_aspect_ratio.num) {
1990 codec->sample_aspect_ratio =
1991 ost->st->sample_aspect_ratio =
1992 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1993 ist->st->codec->sample_aspect_ratio.num ?
1994 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1995 }
1996 break;
1997 case AVMEDIA_TYPE_SUBTITLE:
1998 codec->width = icodec->width;
1999 codec->height = icodec->height;
2000 break;
2001 case AVMEDIA_TYPE_DATA:
2002 break;
2003 default:
2004 abort();
2005 }
2006 } else {
2007 if (!ost->enc)
2008 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2009 switch(codec->codec_type) {
2010 case AVMEDIA_TYPE_AUDIO:
2011 ost->fifo= av_fifo_alloc(1024);
2012 if (!ost->fifo) {
2013 return AVERROR(ENOMEM);
2014 }
2015 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2016 if (!codec->sample_rate) {
2017 codec->sample_rate = icodec->sample_rate;
2018 if (icodec->lowres)
2019 codec->sample_rate >>= icodec->lowres;
2020 }
2021 choose_sample_rate(ost->st, ost->enc);
2022 codec->time_base = (AVRational){1, codec->sample_rate};
2023 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2024 codec->sample_fmt = icodec->sample_fmt;
2025 choose_sample_fmt(ost->st, ost->enc);
2026 if (!codec->channels)
2027 codec->channels = icodec->channels;
2028 codec->channel_layout = icodec->channel_layout;
2029 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2030 codec->channel_layout = 0;
2031 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2032 icodec->request_channels = codec->channels;
2033 ist->decoding_needed = 1;
2034 ost->encoding_needed = 1;
2035 ost->resample_sample_fmt = icodec->sample_fmt;
2036 ost->resample_sample_rate = icodec->sample_rate;
2037 ost->resample_channels = icodec->channels;
2038 break;
2039 case AVMEDIA_TYPE_VIDEO:
2040 if (codec->pix_fmt == PIX_FMT_NONE)
2041 codec->pix_fmt = icodec->pix_fmt;
2042 choose_pixel_fmt(ost->st, ost->enc);
2043
2044 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2045 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2046 exit_program(1);
2047 }
2048
2049 if (!codec->width || !codec->height) {
2050 codec->width = icodec->width;
2051 codec->height = icodec->height;
2052 }
2053
2054 ost->video_resample = codec->width != icodec->width ||
2055 codec->height != icodec->height ||
2056 codec->pix_fmt != icodec->pix_fmt;
2057 if (ost->video_resample) {
2058 #if !CONFIG_AVFILTER
2059 avcodec_get_frame_defaults(&ost->pict_tmp);
2060 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2061 codec->width, codec->height)) {
2062 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2063 exit_program(1);
2064 }
2065 ost->img_resample_ctx = sws_getContext(
2066 icodec->width,
2067 icodec->height,
2068 icodec->pix_fmt,
2069 codec->width,
2070 codec->height,
2071 codec->pix_fmt,
2072 ost->sws_flags, NULL, NULL, NULL);
2073 if (ost->img_resample_ctx == NULL) {
2074 fprintf(stderr, "Cannot get resampling context\n");
2075 exit_program(1);
2076 }
2077 #endif
2078 codec->bits_per_raw_sample= 0;
2079 }
2080
2081 ost->resample_height = icodec->height;
2082 ost->resample_width = icodec->width;
2083 ost->resample_pix_fmt= icodec->pix_fmt;
2084 ost->encoding_needed = 1;
2085 ist->decoding_needed = 1;
2086
2087 if (!ost->frame_rate.num)
2088 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2089 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2090 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2091 ost->frame_rate = ost->enc->supported_framerates[idx];
2092 }
2093 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2094
2095 #if CONFIG_AVFILTER
2096 if (configure_video_filters(ist, ost)) {
2097 fprintf(stderr, "Error opening filters!\n");
2098 exit(1);
2099 }
2100 #endif
2101 break;
2102 case AVMEDIA_TYPE_SUBTITLE:
2103 ost->encoding_needed = 1;
2104 ist->decoding_needed = 1;
2105 break;
2106 default:
2107 abort();
2108 break;
2109 }
2110 /* two pass mode */
2111 if (ost->encoding_needed &&
2112 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2113 char logfilename[1024];
2114 FILE *f;
2115
2116 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2117 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2118 i);
2119 if (codec->flags & CODEC_FLAG_PASS1) {
2120 f = fopen(logfilename, "wb");
2121 if (!f) {
2122 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2123 exit_program(1);
2124 }
2125 ost->logfile = f;
2126 } else {
2127 char *logbuffer;
2128 size_t logbuffer_size;
2129 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2130 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2131 exit_program(1);
2132 }
2133 codec->stats_in = logbuffer;
2134 }
2135 }
2136 }
2137 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2138 int size= codec->width * codec->height;
2139 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2140 }
2141 }
2142
2143 if (!bit_buffer)
2144 bit_buffer = av_malloc(bit_buffer_size);
2145 if (!bit_buffer) {
2146 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2147 bit_buffer_size);
2148 return AVERROR(ENOMEM);
2149 }
2150
2151 /* open each encoder */
2152 for (i = 0; i < nb_output_streams; i++) {
2153 ost = &output_streams[i];
2154 if (ost->encoding_needed) {
2155 AVCodec *codec = ost->enc;
2156 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2157 if (!codec) {
2158 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2159 ost->st->codec->codec_id, ost->file_index, ost->index);
2160 ret = AVERROR(EINVAL);
2161 goto dump_format;
2162 }
2163 if (dec->subtitle_header) {
2164 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2165 if (!ost->st->codec->subtitle_header) {
2166 ret = AVERROR(ENOMEM);
2167 goto dump_format;
2168 }
2169 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2170 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2171 }
2172 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2173 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2174 ost->file_index, ost->index);
2175 ret = AVERROR(EINVAL);
2176 goto dump_format;
2177 }
2178 assert_codec_experimental(ost->st->codec, 1);
2179 assert_avoptions(ost->opts);
2180 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2181 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2182 "It takes bits/s as argument, not kbits/s\n");
2183 extra_size += ost->st->codec->extradata_size;
2184 }
2185 }
2186
2187 /* init input streams */
2188 for (i = 0; i < nb_input_streams; i++)
2189 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2190 goto dump_format;
2191
2192 /* open files and write file headers */
2193 for (i = 0; i < nb_output_files; i++) {
2194 os = output_files[i].ctx;
2195 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2196 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2197 ret = AVERROR(EINVAL);
2198 goto dump_format;
2199 }
2200 assert_avoptions(output_files[i].opts);
2201 if (strcmp(os->oformat->name, "rtp")) {
2202 want_sdp = 0;
2203 }
2204 }
2205
2206 dump_format:
2207 /* dump the file output parameters - cannot be done before in case
2208 of stream copy */
2209 for(i=0;i<nb_output_files;i++) {
2210 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2211 }
2212
2213 /* dump the stream mapping */
2214 if (verbose >= 0) {
2215 fprintf(stderr, "Stream mapping:\n");
2216 for (i = 0; i < nb_output_streams;i ++) {
2217 ost = &output_streams[i];
2218 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2219 input_streams[ost->source_index].file_index,
2220 input_streams[ost->source_index].st->index,
2221 ost->file_index,
2222 ost->index);
2223 if (ost->sync_ist != &input_streams[ost->source_index])
2224 fprintf(stderr, " [sync #%d.%d]",
2225 ost->sync_ist->file_index,
2226 ost->sync_ist->st->index);
2227 if (ost->st->stream_copy)
2228 fprintf(stderr, " (copy)");
2229 else
2230 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2231 input_streams[ost->source_index].dec->name : "?",
2232 ost->enc ? ost->enc->name : "?");
2233 fprintf(stderr, "\n");
2234 }
2235 }
2236
2237 if (ret) {
2238 fprintf(stderr, "%s\n", error);
2239 return ret;
2240 }
2241
2242 if (want_sdp) {
2243 print_sdp(output_files, nb_output_files);
2244 }
2245
2246 return 0;
2247 }
2248
2249 /*
2250 * The following code is the main loop of the file converter
2251 */
2252 static int transcode(OutputFile *output_files,
2253 int nb_output_files,
2254 InputFile *input_files,
2255 int nb_input_files)
2256 {
2257 int ret, i;
2258 AVFormatContext *is, *os;
2259 OutputStream *ost;
2260 InputStream *ist;
2261 uint8_t *no_packet;
2262 int no_packet_count=0;
2263 int64_t timer_start;
2264
2265 if (!(no_packet = av_mallocz(nb_input_files)))
2266 exit_program(1);
2267
2268 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2269 if (ret < 0)
2270 goto fail;
2271
2272 if (verbose >= 0)
2273 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2274 term_init();
2275
2276 timer_start = av_gettime();
2277
2278 for(; received_sigterm == 0;) {
2279 int file_index, ist_index;
2280 AVPacket pkt;
2281 int64_t ipts_min;
2282 double opts_min;
2283
2284 ipts_min = INT64_MAX;
2285 opts_min= 1e100;
2286
2287 /* select the stream that we must read now by looking at the
2288 smallest output pts */
2289 file_index = -1;
2290 for (i = 0; i < nb_output_streams; i++) {
2291 OutputFile *of;
2292 int64_t ipts;
2293 double opts;
2294 ost = &output_streams[i];
2295 of = &output_files[ost->file_index];
2296 os = output_files[ost->file_index].ctx;
2297 ist = &input_streams[ost->source_index];
2298 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2299 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2300 continue;
2301 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2302 ipts = ist->pts;
2303 if (!input_files[ist->file_index].eof_reached){
2304 if(ipts < ipts_min) {
2305 ipts_min = ipts;
2306 if(input_sync ) file_index = ist->file_index;
2307 }
2308 if(opts < opts_min) {
2309 opts_min = opts;
2310 if(!input_sync) file_index = ist->file_index;
2311 }
2312 }
2313 if (ost->frame_number >= ost->max_frames) {
2314 int j;
2315 for (j = of->ost_index; j < of->ctx->nb_streams; j++)
2316 output_streams[j].is_past_recording_time = 1;
2317 continue;
2318 }
2319 }
2320 /* if none, if is finished */
2321 if (file_index < 0) {
2322 if(no_packet_count){
2323 no_packet_count=0;
2324 memset(no_packet, 0, nb_input_files);
2325 usleep(10000);
2326 continue;
2327 }
2328 break;
2329 }
2330
2331 /* read a frame from it and output it in the fifo */
2332 is = input_files[file_index].ctx;
2333 ret= av_read_frame(is, &pkt);
2334 if(ret == AVERROR(EAGAIN)){
2335 no_packet[file_index]=1;
2336 no_packet_count++;
2337 continue;
2338 }
2339 if (ret < 0) {
2340 input_files[file_index].eof_reached = 1;
2341 if (opt_shortest)
2342 break;
2343 else
2344 continue;
2345 }
2346
2347 no_packet_count=0;
2348 memset(no_packet, 0, nb_input_files);
2349
2350 if (do_pkt_dump) {
2351 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2352 is->streams[pkt.stream_index]);
2353 }
2354 /* the following test is needed in case new streams appear
2355 dynamically in stream : we ignore them */
2356 if (pkt.stream_index >= input_files[file_index].nb_streams)
2357 goto discard_packet;
2358 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2359 ist = &input_streams[ist_index];
2360 if (ist->discard)
2361 goto discard_packet;
2362
2363 if (pkt.dts != AV_NOPTS_VALUE)
2364 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2365 if (pkt.pts != AV_NOPTS_VALUE)
2366 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2367
2368 if(pkt.pts != AV_NOPTS_VALUE)
2369 pkt.pts *= ist->ts_scale;
2370 if(pkt.dts != AV_NOPTS_VALUE)
2371 pkt.dts *= ist->ts_scale;
2372
2373 // 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);
2374 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2375 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2376 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2377 int64_t delta= pkt_dts - ist->next_pts;
2378 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2379 input_files[ist->file_index].ts_offset -= delta;
2380 if (verbose > 2)
2381 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2382 delta, input_files[ist->file_index].ts_offset);
2383 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2384 if(pkt.pts != AV_NOPTS_VALUE)
2385 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2386 }
2387 }
2388
2389 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2390 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2391
2392 if (verbose >= 0)
2393 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2394 ist->file_index, ist->st->index);
2395 if (exit_on_error)
2396 exit_program(1);
2397 av_free_packet(&pkt);
2398 continue;
2399 }
2400
2401 discard_packet:
2402 av_free_packet(&pkt);
2403
2404 /* dump report by using the output first video and audio streams */
2405 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2406 }
2407
2408 /* at the end of stream, we must flush the decoder buffers */
2409 for (i = 0; i < nb_input_streams; i++) {
2410 ist = &input_streams[i];
2411 if (ist->decoding_needed) {
2412 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2413 }
2414 }
2415 flush_encoders(output_streams, nb_output_streams);
2416
2417 term_exit();
2418
2419 /* write the trailer if needed and close file */
2420 for(i=0;i<nb_output_files;i++) {
2421 os = output_files[i].ctx;
2422 av_write_trailer(os);
2423 }
2424
2425 /* dump report by using the first video and audio streams */
2426 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2427
2428 /* close each encoder */
2429 for (i = 0; i < nb_output_streams; i++) {
2430 ost = &output_streams[i];
2431 if (ost->encoding_needed) {
2432 av_freep(&ost->st->codec->stats_in);
2433 avcodec_close(ost->st->codec);
2434 }
2435 #if CONFIG_AVFILTER
2436 avfilter_graph_free(&ost->graph);
2437 #endif
2438 }
2439
2440 /* close each decoder */
2441 for (i = 0; i < nb_input_streams; i++) {
2442 ist = &input_streams[i];
2443 if (ist->decoding_needed) {
2444 avcodec_close(ist->st->codec);
2445 }
2446 }
2447
2448 /* finished ! */
2449 ret = 0;
2450
2451 fail:
2452 av_freep(&bit_buffer);
2453 av_freep(&no_packet);
2454
2455 if (output_streams) {
2456 for (i = 0; i < nb_output_streams; i++) {
2457 ost = &output_streams[i];
2458 if (ost) {
2459 if (ost->st->stream_copy)
2460 av_freep(&ost->st->codec->extradata);
2461 if (ost->logfile) {
2462 fclose(ost->logfile);
2463 ost->logfile = NULL;
2464 }
2465 av_fifo_free(ost->fifo); /* works even if fifo is not
2466 initialized but set to zero */
2467 av_freep(&ost->st->codec->subtitle_header);
2468 av_free(ost->pict_tmp.data[0]);
2469 av_free(ost->forced_kf_pts);
2470 if (ost->video_resample)
2471 sws_freeContext(ost->img_resample_ctx);
2472 if (ost->resample)
2473 audio_resample_close(ost->resample);
2474 if (ost->reformat_ctx)
2475 av_audio_convert_free(ost->reformat_ctx);
2476 av_dict_free(&ost->opts);
2477 }
2478 }
2479 }
2480 return ret;
2481 }
2482
2483 static int opt_video_rc_override_string(const char *opt, const char *arg)
2484 {
2485 video_rc_override_string = arg;
2486 return 0;
2487 }
2488
2489 static int opt_me_threshold(const char *opt, const char *arg)
2490 {
2491 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2492 return 0;
2493 }
2494
2495 static int opt_verbose(const char *opt, const char *arg)
2496 {
2497 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2498 return 0;
2499 }
2500
2501 static int opt_frame_rate(const char *opt, const char *arg)
2502 {
2503 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2504 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2505 exit_program(1);
2506 }
2507 return 0;
2508 }
2509
2510 static int opt_frame_size(const char *opt, const char *arg)
2511 {
2512 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2513 fprintf(stderr, "Incorrect frame size\n");
2514 return AVERROR(EINVAL);
2515 }
2516 return 0;
2517 }
2518
2519 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2520 {
2521 if (strcmp(arg, "list")) {
2522 frame_pix_fmt = av_get_pix_fmt(arg);
2523 if (frame_pix_fmt == PIX_FMT_NONE) {
2524 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2525 return AVERROR(EINVAL);
2526 }
2527 } else {
2528 show_pix_fmts();
2529 exit_program(0);
2530 }
2531 return 0;
2532 }
2533
2534 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2535 {
2536 int x = 0, y = 0;
2537 double ar = 0;
2538 const char *p;
2539 char *end;
2540
2541 p = strchr(arg, ':');
2542 if (p) {
2543 x = strtol(arg, &end, 10);
2544 if (end == p)
2545 y = strtol(end+1, &end, 10);
2546 if (x > 0 && y > 0)
2547 ar = (double)x / (double)y;
2548 } else
2549 ar = strtod(arg, NULL);
2550
2551 if (!ar) {
2552 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2553 return AVERROR(EINVAL);
2554 }
2555 frame_aspect_ratio = ar;
2556 return 0;
2557 }
2558
2559 static int opt_qscale(const char *opt, const char *arg)
2560 {
2561 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2562 if (video_qscale == 0) {
2563 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2564 return AVERROR(EINVAL);
2565 }
2566 return 0;
2567 }
2568
2569 static int opt_top_field_first(const char *opt, const char *arg)
2570 {
2571 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2572 return 0;
2573 }
2574
2575 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2576 {
2577 if (strcmp(arg, "list")) {
2578 audio_sample_fmt = av_get_sample_fmt(arg);
2579 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2580 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2581 return AVERROR(EINVAL);
2582 }
2583 } else {
2584 int i;
2585 char fmt_str[128];
2586 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2587 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2588 exit_program(0);
2589 }
2590 return 0;
2591 }
2592
2593 static int opt_audio_rate(const char *opt, const char *arg)
2594 {
2595 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2596 return 0;
2597 }
2598
2599 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2600 {
2601 return parse_option(o, "codec:a", arg, options);
2602 }
2603
2604 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2605 {
2606 return parse_option(o, "codec:v", arg, options);
2607 }
2608
2609 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2610 {
2611 return parse_option(o, "codec:s", arg, options);
2612 }
2613
2614 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2615 {
2616 return parse_option(o, "codec:d", arg, options);
2617 }
2618
2619 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2620 {
2621 StreamMap *m = NULL;
2622 int i, negative = 0, file_idx;
2623 int sync_file_idx = -1, sync_stream_idx;
2624 char *p, *sync;
2625 char *map;
2626
2627 if (*arg == '-') {
2628 negative = 1;
2629 arg++;
2630 }
2631 map = av_strdup(arg);
2632
2633 /* parse sync stream first, just pick first matching stream */
2634 if (sync = strchr(map, ',')) {
2635 *sync = 0;
2636 sync_file_idx = strtol(sync + 1, &sync, 0);
2637 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2638 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2639 exit_program(1);
2640 }
2641 if (*sync)
2642 sync++;
2643 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2644 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2645 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2646 sync_stream_idx = i;
2647 break;
2648 }
2649 if (i == input_files[sync_file_idx].nb_streams) {
2650 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2651 "match any streams.\n", arg);
2652 exit_program(1);
2653 }
2654 }
2655
2656
2657 file_idx = strtol(map, &p, 0);
2658 if (file_idx >= nb_input_files || file_idx < 0) {
2659 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2660 exit_program(1);
2661 }
2662 if (negative)
2663 /* disable some already defined maps */
2664 for (i = 0; i < o->nb_stream_maps; i++) {
2665 m = &o->stream_maps[i];
2666 if (check_stream_specifier(input_files[m->file_index].ctx,
2667 input_files[m->file_index].ctx->streams[m->stream_index],
2668 *p == ':' ? p + 1 : p) > 0)
2669 m->disabled = 1;
2670 }
2671 else
2672 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2673 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2674 *p == ':' ? p + 1 : p) <= 0)
2675 continue;
2676 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2677 &o->nb_stream_maps, o->nb_stream_maps + 1);
2678 m = &o->stream_maps[o->nb_stream_maps - 1];
2679
2680 m->file_index = file_idx;
2681 m->stream_index = i;
2682
2683 if (sync_file_idx >= 0) {
2684 m->sync_file_index = sync_file_idx;
2685 m->sync_stream_index = sync_stream_idx;
2686 } else {
2687 m->sync_file_index = file_idx;
2688 m->sync_stream_index = i;
2689 }
2690 }
2691
2692 if (!m) {
2693 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2694 exit_program(1);
2695 }
2696
2697 av_freep(&map);
2698 return 0;
2699 }
2700
2701 static void parse_meta_type(char *arg, char *type, int *index)
2702 {
2703 if (*arg) {
2704 *type = *arg;
2705 switch (*arg) {
2706 case 'g':
2707 break;
2708 case 's':
2709 case 'c':
2710 case 'p':
2711 if (*(++arg) == ':')
2712 *index = strtol(++arg, NULL, 0);
2713 break;
2714 default:
2715 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2716 exit_program(1);
2717 }
2718 } else
2719 *type = 'g';
2720 }
2721
2722 static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
2723 {
2724 MetadataMap *m, *m1;
2725 char *p;
2726
2727 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
2728 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
2729
2730 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
2731 m->file = strtol(arg, &p, 0);
2732 parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
2733
2734 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
2735 if (p = strchr(opt, ':'))
2736 parse_meta_type(p + 1, &m1->type, &m1->index);
2737 else
2738 m1->type = 'g';
2739
2740 if (m->type == 'g' || m1->type == 'g')
2741 o->metadata_global_manual = 1;
2742 if (m->type == 's' || m1->type == 's')
2743 o->metadata_streams_manual = 1;
2744 if (m->type == 'c' || m1->type == 'c')
2745 o->metadata_chapters_manual = 1;
2746
2747 return 0;
2748 }
2749
2750 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2751 {
2752 const char *codec_string = encoder ? "encoder" : "decoder";
2753 AVCodec *codec;
2754
2755 if(!name)
2756 return CODEC_ID_NONE;
2757 codec = encoder ?
2758 avcodec_find_encoder_by_name(name) :
2759 avcodec_find_decoder_by_name(name);
2760 if(!codec) {
2761 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2762 exit_program(1);
2763 }
2764 if(codec->type != type) {
2765 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2766 exit_program(1);
2767 }
2768 return codec->id;
2769 }
2770
2771 static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type)
2772 {
2773 char *codec_name = NULL;
2774
2775 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
2776
2777 if (!codec_name) {
2778 if (s->oformat) {
2779 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2780 return avcodec_find_encoder(st->codec->codec_id);
2781 }
2782 } else if (!strcmp(codec_name, "copy"))
2783 st->stream_copy = 1;
2784 else {
2785 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2786 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2787 avcodec_find_decoder_by_name(codec_name);
2788 }
2789
2790 return NULL;
2791 }
2792
2793 /**
2794 * Add all the streams from the given input file to the global
2795 * list of input streams.
2796 */
2797 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
2798 {
2799 int i, rfps, rfps_base;
2800
2801 for (i = 0; i < ic->nb_streams; i++) {
2802 AVStream *st = ic->streams[i];
2803 AVCodecContext *dec = st->codec;
2804 InputStream *ist;
2805 double scale = 1.0;
2806
2807 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2808 ist = &input_streams[nb_input_streams - 1];
2809 ist->st = st;
2810 ist->file_index = nb_input_files;
2811 ist->discard = 1;
2812 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2813
2814 MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
2815 ist->ts_scale = scale;
2816
2817 ist->dec = choose_codec(o, ic, st, dec->codec_type);
2818 if (!ist->dec)
2819 ist->dec = avcodec_find_decoder(dec->codec_id);
2820
2821 switch (dec->codec_type) {
2822 case AVMEDIA_TYPE_AUDIO:
2823 if (o->audio_disable)
2824 st->discard= AVDISCARD_ALL;
2825 break;
2826 case AVMEDIA_TYPE_VIDEO:
2827 rfps = ic->streams[i]->r_frame_rate.num;
2828 rfps_base = ic->streams[i]->r_frame_rate.den;
2829 if (dec->lowres) {
2830 dec->flags |= CODEC_FLAG_EMU_EDGE;
2831 dec->height >>= dec->lowres;
2832 dec->width >>= dec->lowres;
2833 }
2834 if(me_threshold)
2835 dec->debug |= FF_DEBUG_MV;
2836
2837 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2838
2839 if (verbose >= 0)
2840 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2841 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2842
2843 (float)rfps / rfps_base, rfps, rfps_base);
2844 }
2845
2846 if (o->video_disable)
2847 st->discard= AVDISCARD_ALL;
2848 else if(video_discard)
2849 st->discard= video_discard;
2850 break;
2851 case AVMEDIA_TYPE_DATA:
2852 break;
2853 case AVMEDIA_TYPE_SUBTITLE:
2854 if (o->subtitle_disable)
2855 st->discard = AVDISCARD_ALL;
2856 break;
2857 case AVMEDIA_TYPE_ATTACHMENT:
2858 case AVMEDIA_TYPE_UNKNOWN:
2859 break;
2860 default:
2861 abort();
2862 }
2863 }
2864 }
2865
2866 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
2867 {
2868 AVFormatContext *ic;
2869 AVInputFormat *file_iformat = NULL;
2870 int err, i, ret;
2871 int64_t timestamp;
2872 uint8_t buf[128];
2873 AVDictionary **opts;
2874 int orig_nb_streams; // number of streams before avformat_find_stream_info
2875
2876 if (o->format) {
2877 if (!(file_iformat = av_find_input_format(o->format))) {
2878 fprintf(stderr, "Unknown input format: '%s'\n", o->format);
2879 exit_program(1);
2880 }
2881 }
2882
2883 if (!strcmp(filename, "-"))
2884 filename = "pipe:";
2885
2886 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2887 !strcmp(filename, "/dev/stdin");
2888
2889 /* get default parameters from command line */
2890 ic = avformat_alloc_context();
2891 if (!ic) {
2892 print_error(filename, AVERROR(ENOMEM));
2893 exit_program(1);
2894 }
2895 if (audio_sample_rate) {
2896 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
2897 av_dict_set(&format_opts, "sample_rate", buf, 0);
2898 }
2899 if (o->nb_audio_channels) {
2900 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
2901 av_dict_set(&format_opts, "channels", buf, 0);
2902 }
2903 if (frame_rate.num) {
2904 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
2905 av_dict_set(&format_opts, "framerate", buf, 0);
2906 }
2907 if (frame_width && frame_height) {
2908 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
2909 av_dict_set(&format_opts, "video_size", buf, 0);
2910 }
2911 if (frame_pix_fmt != PIX_FMT_NONE)
2912 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
2913
2914 ic->flags |= AVFMT_FLAG_NONBLOCK;
2915
2916 /* open the input file with generic libav function */
2917 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2918 if (err < 0) {
2919 print_error(filename, err);
2920 exit_program(1);
2921 }
2922 assert_avoptions(format_opts);
2923
2924 if(opt_programid) {
2925 int i, j;
2926 int found=0;
2927 for(i=0; i<ic->nb_streams; i++){
2928 ic->streams[i]->discard= AVDISCARD_ALL;
2929 }
2930 for(i=0; i<ic->nb_programs; i++){
2931 AVProgram *p= ic->programs[i];
2932 if(p->id != opt_programid){
2933 p->discard = AVDISCARD_ALL;
2934 }else{
2935 found=1;
2936 for(j=0; j<p->nb_stream_indexes; j++){
2937 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
2938 }
2939 }
2940 }
2941 if(!found){
2942 fprintf(stderr, "Specified program id not found\n");
2943 exit_program(1);
2944 }
2945 opt_programid=0;
2946 }
2947
2948 /* apply forced codec ids */
2949 for (i = 0; i < ic->nb_streams; i++)
2950 choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type);
2951
2952 /* Set AVCodecContext options for avformat_find_stream_info */
2953 opts = setup_find_stream_info_opts(ic, codec_opts);
2954 orig_nb_streams = ic->nb_streams;
2955
2956 /* If not enough info to get the stream parameters, we decode the
2957 first frames to get it. (used in mpeg case for example) */
2958 ret = avformat_find_stream_info(ic, opts);
2959 if (ret < 0 && verbose >= 0) {
2960 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2961 av_close_input_file(ic);
2962 exit_program(1);
2963 }
2964
2965 timestamp = o->start_time;
2966 /* add the stream start time */
2967 if (ic->start_time != AV_NOPTS_VALUE)
2968 timestamp += ic->start_time;
2969
2970 /* if seeking requested, we execute it */
2971 if (o->start_time != 0) {
2972 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2973 if (ret < 0) {
2974 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2975 filename, (double)timestamp / AV_TIME_BASE);
2976 }
2977 }
2978
2979 /* update the current parameters so that they match the one of the input stream */
2980 add_input_streams(o, ic);
2981
2982 /* dump the file content */
2983 if (verbose >= 0)
2984 av_dump_format(ic, nb_input_files, filename, 0);
2985
2986 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
2987 input_files[nb_input_files - 1].ctx = ic;
2988 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
2989 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
2990 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
2991
2992 frame_rate = (AVRational){0, 0};
2993 frame_pix_fmt = PIX_FMT_NONE;
2994 frame_height = 0;
2995 frame_width = 0;
2996 audio_sample_rate = 0;
2997 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
2998
2999 for (i = 0; i < orig_nb_streams; i++)
3000 av_dict_free(&opts[i]);
3001 av_freep(&opts);
3002
3003 reset_options(o);
3004 return 0;
3005 }
3006
3007 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3008 AVCodecContext *avctx)
3009 {
3010 char *p;
3011 int n = 1, i;
3012 int64_t t;
3013
3014 for (p = kf; *p; p++)
3015 if (*p == ',')
3016 n++;
3017 ost->forced_kf_count = n;
3018 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3019 if (!ost->forced_kf_pts) {
3020 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3021 exit_program(1);
3022 }
3023 for (i = 0; i < n; i++) {
3024 p = i ? strchr(p, ',') + 1 : kf;
3025 t = parse_time_or_die("force_key_frames", p, 1);
3026 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3027 }
3028 }
3029
3030 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3031 {
3032 OutputStream *ost;
3033 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3034 int idx = oc->nb_streams - 1;
3035 int64_t max_frames = INT64_MAX;
3036 char *bsf = NULL, *next, *codec_tag = NULL;
3037 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3038
3039 if (!st) {
3040 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3041 exit_program(1);
3042 }
3043
3044 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3045 nb_output_streams + 1);
3046 ost = &output_streams[nb_output_streams - 1];
3047 ost->file_index = nb_output_files;
3048 ost->index = idx;
3049 ost->st = st;
3050 st->codec->codec_type = type;
3051 ost->enc = choose_codec(o, oc, st, type);
3052 if (ost->enc) {
3053 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3054 }
3055
3056 avcodec_get_context_defaults3(st->codec, ost->enc);
3057 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3058
3059 MATCH_PER_STREAM_OPT(max_frames, i64, max_frames, oc, st);
3060 ost->max_frames = max_frames;
3061
3062 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3063 while (bsf) {
3064 if (next = strchr(bsf, ','))
3065 *next++ = 0;
3066 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3067 av_log(NULL, AV_LOG_ERROR, "Unknown bitstream filter %s\n", bsf);
3068 exit_program(1);
3069 }
3070 if (bsfc_prev)
3071 bsfc_prev->next = bsfc;
3072 else
3073 ost->bitstream_filters = bsfc;
3074
3075 bsfc_prev = bsfc;
3076 bsf = next;
3077 }
3078
3079 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3080 if (codec_tag) {
3081 uint32_t tag = strtol(codec_tag, &next, 0);
3082 if (*next)
3083 tag = AV_RL32(codec_tag);
3084 st->codec->codec_tag = tag;
3085 }
3086
3087 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3088 return ost;
3089 }
3090
3091 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3092 {
3093 AVStream *st;
3094 OutputStream *ost;
3095 AVCodecContext *video_enc;
3096
3097 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3098 st = ost->st;
3099 if (!st->stream_copy) {
3100 ost->frame_aspect_ratio = frame_aspect_ratio;
3101 frame_aspect_ratio = 0;
3102 #if CONFIG_AVFILTER
3103 ost->avfilter= vfilters;
3104 vfilters = NULL;
3105 #endif
3106 }
3107
3108 video_enc = st->codec;
3109
3110 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3111 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3112 }
3113
3114 if (st->stream_copy) {
3115 video_enc->sample_aspect_ratio =
3116 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3117 } else {
3118 const char *p;
3119 int i;
3120
3121 if (frame_rate.num)
3122 ost->frame_rate = frame_rate;
3123
3124 video_enc->width = frame_width;
3125 video_enc->height = frame_height;
3126 video_enc->pix_fmt = frame_pix_fmt;
3127 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3128
3129 if (video_qscale || same_quant) {
3130 video_enc->flags |= CODEC_FLAG_QSCALE;
3131 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3132 }
3133
3134 if(intra_matrix)
3135 video_enc->intra_matrix = intra_matrix;
3136 if(inter_matrix)
3137 video_enc->inter_matrix = inter_matrix;
3138
3139 p= video_rc_override_string;
3140 for(i=0; p; i++){
3141 int start, end, q;
3142 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3143 if(e!=3){
3144 fprintf(stderr, "error parsing rc_override\n");
3145 exit_program(1);
3146 }
3147 video_enc->rc_override=
3148 av_realloc(video_enc->rc_override,
3149 sizeof(RcOverride)*(i+1));
3150 video_enc->rc_override[i].start_frame= start;
3151 video_enc->rc_override[i].end_frame = end;
3152 if(q>0){
3153 video_enc->rc_override[i].qscale= q;
3154 video_enc->rc_override[i].quality_factor= 1.0;
3155 }
3156 else{
3157 video_enc->rc_override[i].qscale= 0;
3158 video_enc->rc_override[i].quality_factor= -q/100.0;
3159 }
3160 p= strchr(p, '/');
3161 if(p) p++;
3162 }
3163 video_enc->rc_override_count=i;
3164 if (!video_enc->rc_initial_buffer_occupancy)
3165 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3166 video_enc->me_threshold= me_threshold;
3167 video_enc->intra_dc_precision= intra_dc_precision - 8;
3168
3169 if (do_psnr)
3170 video_enc->flags|= CODEC_FLAG_PSNR;
3171
3172 /* two pass mode */
3173 if (do_pass) {
3174 if (do_pass == 1) {
3175 video_enc->flags |= CODEC_FLAG_PASS1;
3176 } else {
3177 video_enc->flags |= CODEC_FLAG_PASS2;
3178 }
3179 }
3180
3181 if (forced_key_frames)
3182 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3183 }
3184
3185 /* reset some key parameters */
3186 av_freep(&forced_key_frames);
3187 frame_pix_fmt = PIX_FMT_NONE;
3188 return ost;
3189 }
3190
3191 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3192 {
3193 AVStream *st;
3194 OutputStream *ost;
3195 AVCodecContext *audio_enc;
3196
3197 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3198 st = ost->st;
3199
3200 audio_enc = st->codec;
3201 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3202
3203 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3204 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3205 }
3206 if (!st->stream_copy) {
3207 if (audio_qscale > QSCALE_NONE) {
3208 audio_enc->flags |= CODEC_FLAG_QSCALE;
3209 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3210 }
3211 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3212
3213 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3214 audio_enc->sample_fmt = audio_sample_fmt;
3215 if (audio_sample_rate)
3216 audio_enc->sample_rate = audio_sample_rate;
3217 }
3218
3219 return ost;
3220 }
3221
3222 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3223 {
3224 AVStream *st;
3225 OutputStream *ost;
3226 AVCodecContext *data_enc;
3227
3228 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3229 st = ost->st;
3230 data_enc = st->codec;
3231 if (!st->stream_copy) {
3232 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3233 exit_program(1);
3234 }
3235
3236 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3237 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3238 }
3239
3240 return ost;
3241 }
3242
3243 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3244 {
3245 AVStream *st;
3246 OutputStream *ost;
3247 AVCodecContext *subtitle_enc;
3248
3249 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3250 st = ost->st;
3251 subtitle_enc = st->codec;
3252
3253 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3254
3255 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3256 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3257 }
3258
3259 return ost;
3260 }
3261
3262 /* arg format is "output-stream-index:streamid-value". */
3263 static int opt_streamid(const char *opt, const char *arg)
3264 {
3265 int idx;
3266 char *p;
3267 char idx_str[16];
3268
3269 av_strlcpy(idx_str, arg, sizeof(idx_str));
3270 p = strchr(idx_str, ':');
3271 if (!p) {
3272 fprintf(stderr,
3273 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3274 arg, opt);
3275 exit_program(1);
3276 }
3277 *p++ = '\0';
3278 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3279 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3280 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3281 return 0;
3282 }
3283
3284 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3285 {
3286 AVFormatContext *is = ifile->ctx;
3287 AVFormatContext *os = ofile->ctx;
3288 int i;
3289
3290 for (i = 0; i < is->nb_chapters; i++) {
3291 AVChapter *in_ch = is->chapters[i], *out_ch;
3292 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3293 AV_TIME_BASE_Q, in_ch->time_base);
3294 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3295 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3296
3297
3298 if (in_ch->end < ts_off)
3299 continue;
3300 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3301 break;
3302
3303 out_ch = av_mallocz(sizeof(AVChapter));
3304 if (!out_ch)
3305 return AVERROR(ENOMEM);
3306
3307 out_ch->id = in_ch->id;
3308 out_ch->time_base = in_ch->time_base;
3309 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3310 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3311
3312 if (copy_metadata)
3313 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3314
3315 os->nb_chapters++;
3316 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3317 if (!os->chapters)
3318 return AVERROR(ENOMEM);
3319 os->chapters[os->nb_chapters - 1] = out_ch;
3320 }
3321 return 0;
3322 }
3323
3324 static int read_avserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
3325 {
3326 int i, err;
3327 AVFormatContext *ic = NULL;
3328
3329 err = avformat_open_input(&ic, filename, NULL, NULL);
3330 if (err < 0)
3331 return err;
3332 /* copy stream format */
3333 for(i=0;i<ic->nb_streams;i++) {
3334 AVStream *st;
3335 OutputStream *ost;
3336 AVCodec *codec;
3337
3338 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3339 ost = new_output_stream(o, s, codec->type);
3340 st = ost->st;
3341
3342 // FIXME: a more elegant solution is needed
3343 memcpy(st, ic->streams[i], sizeof(AVStream));
3344 st->info = NULL;
3345 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3346
3347 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3348 choose_sample_fmt(st, codec);
3349 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3350 choose_pixel_fmt(st, codec);
3351 }
3352
3353 av_close_input_file(ic);
3354 return 0;
3355 }
3356
3357 static void opt_output_file(void *optctx, const char *filename)
3358 {
3359 OptionsContext *o = optctx;
3360 AVFormatContext *oc;
3361 int i, err;
3362 AVOutputFormat *file_oformat;
3363 OutputStream *ost;
3364 InputStream *ist;
3365
3366 if (!strcmp(filename, "-"))
3367 filename = "pipe:";
3368
3369 oc = avformat_alloc_context();
3370 if (!oc) {
3371 print_error(filename, AVERROR(ENOMEM));
3372 exit_program(1);
3373 }
3374
3375 if (o->format) {
3376 file_oformat = av_guess_format(o->format, NULL, NULL);
3377 if (!file_oformat) {
3378 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", o->format);
3379 exit_program(1);
3380 }
3381 } else {
3382 file_oformat = av_guess_format(NULL, filename, NULL);
3383 if (!file_oformat) {
3384 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3385 filename);
3386 exit_program(1);
3387 }
3388 }
3389
3390 oc->oformat = file_oformat;
3391 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3392
3393 if (!strcmp(file_oformat->name, "ffm") &&
3394 av_strstart(filename, "http:", NULL)) {
3395 /* special case for files sent to avserver: we get the stream
3396 parameters from avserver */
3397 int err = read_avserver_streams(o, oc, filename);
3398 if (err < 0) {
3399 print_error(filename, err);
3400 exit_program(1);
3401 }
3402 } else if (!o->nb_stream_maps) {
3403 /* pick the "best" stream of each type */
3404 #define NEW_STREAM(type, index)\
3405 if (index >= 0) {\
3406 ost = new_ ## type ## _stream(o, oc);\
3407 ost->source_index = index;\
3408 ost->sync_ist = &input_streams[index];\
3409 input_streams[index].discard = 0;\
3410 }
3411
3412 /* video: highest resolution */
3413 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3414 int area = 0, idx = -1;
3415 for (i = 0; i < nb_input_streams; i++) {
3416 ist = &input_streams[i];
3417 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3418 ist->st->codec->width * ist->st->codec->height > area) {
3419 area = ist->st->codec->width * ist->st->codec->height;
3420 idx = i;
3421 }
3422 }
3423 NEW_STREAM(video, idx);
3424 }
3425
3426 /* audio: most channels */
3427 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3428 int channels = 0, idx = -1;
3429 for (i = 0; i < nb_input_streams; i++) {
3430 ist = &input_streams[i];
3431 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3432 ist->st->codec->channels > channels) {
3433 channels = ist->st->codec->channels;
3434 idx = i;
3435 }
3436 }
3437 NEW_STREAM(audio, idx);
3438 }
3439
3440 /* subtitles: pick first */
3441 if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3442 for (i = 0; i < nb_input_streams; i++)
3443 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3444 NEW_STREAM(subtitle, i);
3445 break;
3446 }
3447 }
3448 /* do something with data? */
3449 } else {
3450 for (i = 0; i < o->nb_stream_maps; i++) {
3451 StreamMap *map = &o->stream_maps[i];
3452
3453 if (map->disabled)
3454 continue;
3455
3456 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3457 switch (ist->st->codec->codec_type) {
3458 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3459 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3460 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3461 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3462 default:
3463 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3464 map->file_index, map->stream_index);
3465 exit_program(1);
3466 }
3467
3468 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3469 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3470 map->sync_stream_index];
3471 ist->discard = 0;
3472 }
3473 }
3474
3475 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3476 output_files[nb_output_files - 1].ctx = oc;
3477 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3478 output_files[nb_output_files - 1].recording_time = o->recording_time;
3479 output_files[nb_output_files - 1].start_time = o->start_time;
3480 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
3481 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3482
3483 /* check filename in case of an image number is expected */
3484 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3485 if (!av_filename_number_test(oc->filename)) {
3486 print_error(oc->filename, AVERROR(EINVAL));
3487 exit_program(1);
3488 }
3489 }
3490
3491 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3492 /* test if it already exists to avoid loosing precious files */
3493 if (!file_overwrite &&
3494 (strchr(filename, ':') == NULL ||
3495 filename[1] == ':' ||
3496 av_strstart(filename, "file:", NULL))) {
3497 if (avio_check(filename, 0) == 0) {
3498 if (!using_stdin) {
3499 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3500 fflush(stderr);
3501 if (!read_yesno()) {
3502 fprintf(stderr, "Not overwriting - exiting\n");
3503 exit_program(1);
3504 }
3505 }
3506 else {
3507 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3508 exit_program(1);
3509 }
3510 }
3511 }
3512
3513 /* open the file */
3514 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3515 print_error(filename, err);
3516 exit_program(1);
3517 }
3518 }
3519
3520 oc->preload = (int)(o->mux_preload * AV_TIME_BASE);
3521 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
3522 oc->flags |= AVFMT_FLAG_NONBLOCK;
3523
3524 /* copy chapters */
3525 if (o->chapters_input_file >= nb_input_files) {
3526 if (o->chapters_input_file == INT_MAX) {
3527 /* copy chapters from the first input file that has them*/
3528 o->chapters_input_file = -1;
3529 for (i = 0; i < nb_input_files; i++)
3530 if (input_files[i].ctx->nb_chapters) {
3531 o->chapters_input_file = i;
3532 break;
3533 }
3534 } else {
3535 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3536 o->chapters_input_file);
3537 exit_program(1);
3538 }
3539 }
3540 if (o->chapters_input_file >= 0)
3541 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
3542 o->metadata_chapters_manual);
3543
3544 /* copy metadata */
3545 for (i = 0; i < o->nb_meta_data_maps; i++) {
3546 AVFormatContext *files[2];
3547 AVDictionary **meta[2];
3548 int j;
3549
3550 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3551 if ((index) < 0 || (index) >= (nb_elems)) {\
3552 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3553 (desc), (index));\
3554 exit_program(1);\
3555 }
3556
3557 int in_file_index = o->meta_data_maps[i][1].file;
3558 if (in_file_index < 0)
3559 continue;
3560 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3561
3562 files[0] = oc;
3563 files[1] = input_files[in_file_index].ctx;
3564
3565 for (j = 0; j < 2; j++) {
3566 MetadataMap *map = &o->meta_data_maps[i][j];
3567
3568 switch (map->type) {
3569 case 'g':
3570 meta[j] = &files[j]->metadata;
3571 break;
3572 case 's':
3573 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3574 meta[j] = &files[j]->streams[map->index]->metadata;
3575 break;
3576 case 'c':
3577 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3578 meta[j] = &files[j]->chapters[map->index]->metadata;
3579 break;
3580 case 'p':
3581 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3582 meta[j] = &files[j]->programs[map->index]->metadata;
3583 break;
3584 }
3585 }
3586
3587 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3588 }
3589
3590 /* copy global metadata by default */
3591 if (!o->metadata_global_manual && nb_input_files)
3592 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3593 AV_DICT_DONT_OVERWRITE);
3594 if (!o->metadata_streams_manual)
3595 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3596 InputStream *ist = &input_streams[output_streams[i].source_index];
3597 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3598 }
3599
3600 /* process manually set metadata */
3601 for (i = 0; i < o->nb_metadata; i++) {
3602 AVDictionary **m;
3603 char type, *val;
3604 int index = 0;
3605
3606 val = strchr(o->metadata[i].u.str, '=');
3607 if (!val) {
3608 av_log(NULL, AV_LOG_ERROR, "No '=' character in metadata string %s.\n",
3609 o->metadata[i].u.str);
3610 exit_program(1);
3611 }
3612 *val++ = 0;
3613
3614 parse_meta_type(o->metadata[i].specifier, &type, &index);
3615 switch (type) {
3616 case 'g':
3617 m = &oc->metadata;
3618 break;
3619 case 's':
3620 if (index < 0 || index >= oc->nb_streams) {
3621 av_log(NULL, AV_LOG_ERROR, "Invalid stream index %d in metadata specifier.\n", index);
3622 exit_program(1);
3623 }
3624 m = &oc->streams[i]->metadata;
3625 break;
3626 case 'c':
3627 if (index < 0 || index >= oc->nb_chapters) {
3628 av_log(NULL, AV_LOG_ERROR, "Invalid chapter index %d in metadata specifier.\n", index);
3629 exit_program(1);
3630 }
3631 m = &oc->chapters[i]->metadata;
3632 break;
3633 default:
3634 av_log(NULL, AV_LOG_ERROR, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
3635 exit_program(1);
3636 }
3637
3638 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
3639 }
3640
3641 frame_rate = (AVRational){0, 0};
3642 frame_width = 0;
3643 frame_height = 0;
3644 audio_sample_rate = 0;
3645 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3646
3647 av_freep(&streamid_map);
3648 nb_streamid_map = 0;
3649
3650 av_freep(&forced_key_frames);
3651 reset_options(o);
3652 }
3653
3654 /* same option as mencoder */
3655 static int opt_pass(const char *opt, const char *arg)
3656 {
3657 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3658 return 0;
3659 }
3660
3661 static int64_t getutime(void)
3662 {
3663 #if HAVE_GETRUSAGE
3664 struct rusage rusage;
3665
3666 getrusage(RUSAGE_SELF, &rusage);