avconv: print stream copy information.
[libav.git] / avconv.c
CommitLineData
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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
77const char program_name[] = "avconv";
78const int program_birth_year = 2000;
79
80/* select an input stream for an output stream */
81typedef struct StreamMap {
8d2e4a7e 82 int disabled; /** 1 is this mapping is disabled by a negative map */
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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 */
92typedef 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
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98static const OptionDef options[];
99
100#define MAX_FILES 100
101
102static const char *last_asked_format = NULL;
103static double *ts_scale;
104static int nb_ts_scale;
105
106static AVFormatContext *output_files[MAX_FILES];
107static AVDictionary *output_opts[MAX_FILES];
108static int nb_output_files = 0;
109
110static StreamMap *stream_maps = NULL;
111static int nb_stream_maps;
112
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113static AVDictionary *codec_names;
114
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115/* first item specifies output metadata, second is input */
116static MetadataMap (*meta_data_maps)[2] = NULL;
117static int nb_meta_data_maps;
118static int metadata_global_autocopy = 1;
119static int metadata_streams_autocopy = 1;
120static int metadata_chapters_autocopy = 1;
121
b9aac90b 122static int chapters_input_file = INT_MAX;
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123
124/* indexed by output file stream index */
125static int *streamid_map = NULL;
126static int nb_streamid_map = 0;
127
128static int frame_width = 0;
129static int frame_height = 0;
130static float frame_aspect_ratio = 0;
131static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
132static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
133static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
134static AVRational frame_rate;
135static float video_qscale = 0;
136static uint16_t *intra_matrix = NULL;
137static uint16_t *inter_matrix = NULL;
138static const char *video_rc_override_string=NULL;
139static int video_disable = 0;
140static int video_discard = 0;
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141static unsigned int video_codec_tag = 0;
142static char *video_language = NULL;
f4ad238c 143static int same_quant = 0;
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144static int do_deinterlace = 0;
145static int top_field_first = -1;
146static int me_threshold = 0;
147static int intra_dc_precision = 8;
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148static int qp_hist = 0;
149#if CONFIG_AVFILTER
150static char *vfilters = NULL;
151#endif
152
153static int intra_only = 0;
154static int audio_sample_rate = 0;
155#define QSCALE_NONE -99999
156static float audio_qscale = QSCALE_NONE;
157static int audio_disable = 0;
158static int audio_channels = 0;
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159static unsigned int audio_codec_tag = 0;
160static char *audio_language = NULL;
161
162static int subtitle_disable = 0;
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163static char *subtitle_language = NULL;
164static unsigned int subtitle_codec_tag = 0;
165
166static int data_disable = 0;
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167static unsigned int data_codec_tag = 0;
168
169static float mux_preload= 0.5;
170static float mux_max_delay= 0.7;
171
172static int64_t recording_time = INT64_MAX;
173static int64_t start_time = 0;
174static int64_t input_ts_offset = 0;
175static int file_overwrite = 0;
176static AVDictionary *metadata;
177static int do_benchmark = 0;
178static int do_hex_dump = 0;
179static int do_pkt_dump = 0;
180static int do_psnr = 0;
181static int do_pass = 0;
182static char *pass_logfilename_prefix = NULL;
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183static int video_sync_method= -1;
184static int audio_sync_method= 0;
185static float audio_drift_threshold= 0.1;
186static int copy_ts= 0;
187static int copy_tb;
188static int opt_shortest = 0;
189static char *vstats_filename;
190static FILE *vstats_file;
191static int opt_programid = 0;
192static int copy_initial_nonkeyframes = 0;
193
194static int rate_emu = 0;
195
196static int audio_volume = 256;
197
198static int exit_on_error = 0;
199static int using_stdin = 0;
200static int verbose = 1;
201static int thread_count= 1;
202static int64_t video_size = 0;
203static int64_t audio_size = 0;
204static int64_t extra_size = 0;
205static int nb_frames_dup = 0;
206static int nb_frames_drop = 0;
207static int input_sync;
208static uint64_t limit_filesize = 0;
209static int force_fps = 0;
210static char *forced_key_frames = NULL;
211
212static float dts_delta_threshold = 10;
213
214static int64_t timer_start;
215
216static uint8_t *audio_buf;
217static uint8_t *audio_out;
218static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
219
220static short *samples;
221
222static AVBitStreamFilterContext *video_bitstream_filters=NULL;
223static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
224static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
225
226#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
227
228struct InputStream;
229
230typedef struct OutputStream {
231 int file_index; /* file index */
232 int index; /* stream index in the output file */
233 int source_index; /* InputStream index */
234 AVStream *st; /* stream in the output file */
235 int encoding_needed; /* true if encoding needed for this stream */
236 int frame_number;
237 /* input pts and corresponding output pts
238 for A/V sync */
239 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
240 struct InputStream *sync_ist; /* input stream to sync against */
241 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
242 AVBitStreamFilterContext *bitstream_filters;
243 AVCodec *enc;
244
245 /* video only */
246 int video_resample;
247 AVFrame pict_tmp; /* temporary image for resampling */
248 struct SwsContext *img_resample_ctx; /* for image resampling */
249 int resample_height;
250 int resample_width;
251 int resample_pix_fmt;
252 AVRational frame_rate;
253
254 float frame_aspect_ratio;
255
256 /* forced key frames */
257 int64_t *forced_kf_pts;
258 int forced_kf_count;
259 int forced_kf_index;
260
261 /* audio only */
262 int audio_resample;
263 ReSampleContext *resample; /* for audio resampling */
264 int resample_sample_fmt;
265 int resample_channels;
266 int resample_sample_rate;
267 int reformat_pair;
268 AVAudioConvert *reformat_ctx;
269 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
270 FILE *logfile;
271
272#if CONFIG_AVFILTER
273 AVFilterContext *output_video_filter;
274 AVFilterContext *input_video_filter;
275 AVFilterBufferRef *picref;
276 char *avfilter;
277 AVFilterGraph *graph;
278#endif
279
280 int sws_flags;
281 AVDictionary *opts;
282} OutputStream;
283
284static OutputStream **output_streams_for_file[MAX_FILES] = { NULL };
285static int nb_output_streams_for_file[MAX_FILES] = { 0 };
286
287typedef struct InputStream {
288 int file_index;
289 AVStream *st;
290 int discard; /* true if stream data should be discarded */
291 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
292 AVCodec *dec;
293
294 int64_t start; /* time when read started */
295 int64_t next_pts; /* synthetic pts for cases where pkt.pts
296 is not defined */
297 int64_t pts; /* current pts */
298 PtsCorrectionContext pts_ctx;
299 double ts_scale;
300 int is_start; /* is 1 at the start and after a discontinuity */
301 int showed_multi_packet_warning;
302 int is_past_recording_time;
303 AVDictionary *opts;
304} InputStream;
305
306typedef struct InputFile {
307 AVFormatContext *ctx;
308 int eof_reached; /* true if eof reached */
309 int ist_index; /* index of first stream in ist_table */
310 int buffer_size; /* current total buffer size */
311 int64_t ts_offset;
312} InputFile;
313
314static InputStream *input_streams = NULL;
315static int nb_input_streams = 0;
316static InputFile *input_files = NULL;
317static int nb_input_files = 0;
318
319#if CONFIG_AVFILTER
320
321static int configure_video_filters(InputStream *ist, OutputStream *ost)
322{
323 AVFilterContext *last_filter, *filter;
324 /** filter graph containing all filters including input & output */
325 AVCodecContext *codec = ost->st->codec;
326 AVCodecContext *icodec = ist->st->codec;
327 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
328 AVRational sample_aspect_ratio;
329 char args[255];
330 int ret;
331
332 ost->graph = avfilter_graph_alloc();
333
334 if (ist->st->sample_aspect_ratio.num){
335 sample_aspect_ratio = ist->st->sample_aspect_ratio;
336 }else
337 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
338
339 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
340 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
341 sample_aspect_ratio.num, sample_aspect_ratio.den);
342
343 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
344 "src", args, NULL, ost->graph);
345 if (ret < 0)
346 return ret;
347 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
348 "out", NULL, &ffsink_ctx, ost->graph);
349 if (ret < 0)
350 return ret;
351 last_filter = ost->input_video_filter;
352
353 if (codec->width != icodec->width || codec->height != icodec->height) {
354 snprintf(args, 255, "%d:%d:flags=0x%X",
355 codec->width,
356 codec->height,
357 ost->sws_flags);
358 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
359 NULL, args, NULL, ost->graph)) < 0)
360 return ret;
361 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
362 return ret;
363 last_filter = filter;
364 }
365
366 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
367 ost->graph->scale_sws_opts = av_strdup(args);
368
369 if (ost->avfilter) {
370 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
371 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
372
373 outputs->name = av_strdup("in");
374 outputs->filter_ctx = last_filter;
375 outputs->pad_idx = 0;
376 outputs->next = NULL;
377
378 inputs->name = av_strdup("out");
379 inputs->filter_ctx = ost->output_video_filter;
380 inputs->pad_idx = 0;
381 inputs->next = NULL;
382
383 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
384 return ret;
385 av_freep(&ost->avfilter);
386 } else {
387 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
388 return ret;
389 }
390
391 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
392 return ret;
393
394 codec->width = ost->output_video_filter->inputs[0]->w;
395 codec->height = ost->output_video_filter->inputs[0]->h;
396 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
397 ost->frame_aspect_ratio ? // overriden by the -aspect cli option
398 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
399 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
400
401 return 0;
402}
403#endif /* CONFIG_AVFILTER */
404
405static void term_exit(void)
406{
407 av_log(NULL, AV_LOG_QUIET, "");
408}
409
410static volatile int received_sigterm = 0;
411static volatile int received_nb_signals = 0;
412
413static void
414sigterm_handler(int sig)
415{
416 received_sigterm = sig;
417 received_nb_signals++;
418 term_exit();
419}
420
421static void term_init(void)
422{
423 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
424 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
425#ifdef SIGXCPU
426 signal(SIGXCPU, sigterm_handler);
427#endif
428}
429
430static int decode_interrupt_cb(void)
431{
432 return received_nb_signals > 1;
433}
434
435static int exit_program(int ret)
436{
437 int i;
438
439 /* close files */
440 for(i=0;i<nb_output_files;i++) {
441 AVFormatContext *s = output_files[i];
442 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
443 avio_close(s->pb);
444 avformat_free_context(s);
445 av_free(output_streams_for_file[i]);
446 av_dict_free(&output_opts[i]);
447 }
448 for(i=0;i<nb_input_files;i++) {
449 av_close_input_file(input_files[i].ctx);
450 }
451 for (i = 0; i < nb_input_streams; i++)
452 av_dict_free(&input_streams[i].opts);
453
454 av_free(intra_matrix);
455 av_free(inter_matrix);
456
457 if (vstats_file)
458 fclose(vstats_file);
459 av_free(vstats_filename);
460
461 av_free(streamid_map);
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462 av_free(meta_data_maps);
463
464 av_freep(&input_streams);
465 av_freep(&input_files);
466
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467 uninit_opts();
468 av_free(audio_buf);
469 av_free(audio_out);
470 allocated_audio_buf_size= allocated_audio_out_size= 0;
471 av_free(samples);
472
473#if CONFIG_AVFILTER
474 avfilter_uninit();
475#endif
476
477 if (received_sigterm) {
478 fprintf(stderr,
479 "Received signal %d: terminating.\n",
480 (int) received_sigterm);
481 exit (255);
482 }
483
484 exit(ret); /* not all OS-es handle main() return value */
485 return ret;
486}
487
488static void assert_avoptions(AVDictionary *m)
489{
490 AVDictionaryEntry *t;
491 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
492 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
493 exit_program(1);
494 }
495}
496
497static void assert_codec_experimental(AVCodecContext *c, int encoder)
498{
499 const char *codec_string = encoder ? "encoder" : "decoder";
500 AVCodec *codec;
501 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
502 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
503 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
504 "results.\nAdd '-strict experimental' if you want to use it.\n",
505 codec_string, c->codec->name);
506 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
507 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
508 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
509 codec_string, codec->name);
510 exit_program(1);
511 }
512}
513
514/* similar to ff_dynarray_add() and av_fast_realloc() */
515static void *grow_array(void *array, int elem_size, int *size, int new_size)
516{
517 if (new_size >= INT_MAX / elem_size) {
518 fprintf(stderr, "Array too big.\n");
519 exit_program(1);
520 }
521 if (*size < new_size) {
522 uint8_t *tmp = av_realloc(array, new_size*elem_size);
523 if (!tmp) {
524 fprintf(stderr, "Could not alloc buffer.\n");
525 exit_program(1);
526 }
527 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
528 *size = new_size;
529 return tmp;
530 }
531 return array;
532}
533
534static void choose_sample_fmt(AVStream *st, AVCodec *codec)
535{
536 if(codec && codec->sample_fmts){
537 const enum AVSampleFormat *p= codec->sample_fmts;
538 for(; *p!=-1; p++){
539 if(*p == st->codec->sample_fmt)
540 break;
541 }
542 if (*p == -1) {
543 av_log(NULL, AV_LOG_WARNING,
544 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
545 av_get_sample_fmt_name(st->codec->sample_fmt),
546 codec->name,
547 av_get_sample_fmt_name(codec->sample_fmts[0]));
548 st->codec->sample_fmt = codec->sample_fmts[0];
549 }
550 }
551}
552
553/**
554 * Update the requested input sample format based on the output sample format.
555 * This is currently only used to request float output from decoders which
556 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
557 * Ideally this will be removed in the future when decoders do not do format
558 * conversion and only output in their native format.
559 */
560static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
561 AVCodecContext *enc)
562{
563 /* if sample formats match or a decoder sample format has already been
564 requested, just return */
565 if (enc->sample_fmt == dec->sample_fmt ||
566 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
567 return;
568
569 /* if decoder supports more than one output format */
570 if (dec_codec && dec_codec->sample_fmts &&
571 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
572 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
573 const enum AVSampleFormat *p;
574 int min_dec = -1, min_inc = -1;
575
576 /* find a matching sample format in the encoder */
577 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
578 if (*p == enc->sample_fmt) {
579 dec->request_sample_fmt = *p;
580 return;
581 } else if (*p > enc->sample_fmt) {
582 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
583 } else
584 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
585 }
586
587 /* if none match, provide the one that matches quality closest */
588 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
589 enc->sample_fmt - min_dec;
590 }
591}
592
593static void choose_sample_rate(AVStream *st, AVCodec *codec)
594{
595 if(codec && codec->supported_samplerates){
596 const int *p= codec->supported_samplerates;
597 int best=0;
598 int best_dist=INT_MAX;
599 for(; *p; p++){
600 int dist= abs(st->codec->sample_rate - *p);
601 if(dist < best_dist){
602 best_dist= dist;
603 best= *p;
604 }
605 }
606 if(best_dist){
607 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
608 }
609 st->codec->sample_rate= best;
610 }
611}
612
613static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
614{
615 if(codec && codec->pix_fmts){
616 const enum PixelFormat *p= codec->pix_fmts;
617 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
618 if(st->codec->codec_id==CODEC_ID_MJPEG){
619 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
620 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
621 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE};
622 }
623 }
624 for(; *p!=-1; p++){
625 if(*p == st->codec->pix_fmt)
626 break;
627 }
628 if (*p == -1) {
629 if(st->codec->pix_fmt != PIX_FMT_NONE)
630 av_log(NULL, AV_LOG_WARNING,
631 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
632 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
633 codec->name,
634 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
635 st->codec->pix_fmt = codec->pix_fmts[0];
636 }
637 }
638}
639
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640static double
641get_sync_ipts(const OutputStream *ost)
642{
643 const InputStream *ist = ost->sync_ist;
644 return (double)(ist->pts - start_time)/AV_TIME_BASE;
645}
646
647static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
648 int ret;
649
650 while(bsfc){
651 AVPacket new_pkt= *pkt;
652 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
653 &new_pkt.data, &new_pkt.size,
654 pkt->data, pkt->size,
655 pkt->flags & AV_PKT_FLAG_KEY);
656 if(a>0){
657 av_free_packet(pkt);
658 new_pkt.destruct= av_destruct_packet;
659 } else if(a<0){
660 fprintf(stderr, "%s failed for stream %d, codec %s",
661 bsfc->filter->name, pkt->stream_index,
662 avctx->codec ? avctx->codec->name : "copy");
663 print_error("", a);
664 if (exit_on_error)
665 exit_program(1);
666 }
667 *pkt= new_pkt;
668
669 bsfc= bsfc->next;
670 }
671
672 ret= av_interleaved_write_frame(s, pkt);
673 if(ret < 0){
674 print_error("av_interleaved_write_frame()", ret);
675 exit_program(1);
676 }
677}
678
679#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
680
681static void do_audio_out(AVFormatContext *s,
682 OutputStream *ost,
683 InputStream *ist,
684 unsigned char *buf, int size)
685{
686 uint8_t *buftmp;
687 int64_t audio_out_size, audio_buf_size;
688 int64_t allocated_for_size= size;
689
690 int size_out, frame_bytes, ret, resample_changed;
691 AVCodecContext *enc= ost->st->codec;
692 AVCodecContext *dec= ist->st->codec;
693 int osize = av_get_bytes_per_sample(enc->sample_fmt);
694 int isize = av_get_bytes_per_sample(dec->sample_fmt);
695 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
696
697need_realloc:
698 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
699 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
700 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
701 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
702 audio_buf_size*= osize*enc->channels;
703
704 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
705 if(coded_bps > 8*osize)
706 audio_out_size= audio_out_size * coded_bps / (8*osize);
707 audio_out_size += FF_MIN_BUFFER_SIZE;
708
709 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
710 fprintf(stderr, "Buffer sizes too large\n");
711 exit_program(1);
712 }
713
714 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
715 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
716 if (!audio_buf || !audio_out){
717 fprintf(stderr, "Out of memory in do_audio_out\n");
718 exit_program(1);
719 }
720
721 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
722 ost->audio_resample = 1;
723
724 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
725 ost->resample_channels != dec->channels ||
726 ost->resample_sample_rate != dec->sample_rate;
727
728 if ((ost->audio_resample && !ost->resample) || resample_changed) {
729 if (resample_changed) {
730 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",
731 ist->file_index, ist->st->index,
732 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
733 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
734 ost->resample_sample_fmt = dec->sample_fmt;
735 ost->resample_channels = dec->channels;
736 ost->resample_sample_rate = dec->sample_rate;
737 if (ost->resample)
738 audio_resample_close(ost->resample);
739 }
740 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
741 if (audio_sync_method <= 1 &&
742 ost->resample_sample_fmt == enc->sample_fmt &&
743 ost->resample_channels == enc->channels &&
744 ost->resample_sample_rate == enc->sample_rate) {
745 ost->resample = NULL;
746 ost->audio_resample = 0;
747 } else if (ost->audio_resample) {
748 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
749 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
750 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
751 enc->sample_rate, dec->sample_rate,
752 enc->sample_fmt, dec->sample_fmt,
753 16, 10, 0, 0.8);
754 if (!ost->resample) {
755 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
756 dec->channels, dec->sample_rate,
757 enc->channels, enc->sample_rate);
758 exit_program(1);
759 }
760 }
761 }
762
763#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
764 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
765 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
766 if (ost->reformat_ctx)
767 av_audio_convert_free(ost->reformat_ctx);
768 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
769 dec->sample_fmt, 1, NULL, 0);
770 if (!ost->reformat_ctx) {
771 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
772 av_get_sample_fmt_name(dec->sample_fmt),
773 av_get_sample_fmt_name(enc->sample_fmt));
774 exit_program(1);
775 }
776 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
777 }
778
779 if(audio_sync_method){
780 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
781 - av_fifo_size(ost->fifo)/(enc->channels * 2);
782 double idelta= delta*dec->sample_rate / enc->sample_rate;
783 int byte_delta= ((int)idelta)*2*dec->channels;
784
785 //FIXME resample delay
786 if(fabs(delta) > 50){
787 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
788 if(byte_delta < 0){
789 byte_delta= FFMAX(byte_delta, -size);
790 size += byte_delta;
791 buf -= byte_delta;
792 if(verbose > 2)
793 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
794 if(!size)
795 return;
796 ist->is_start=0;
797 }else{
798 static uint8_t *input_tmp= NULL;
799 input_tmp= av_realloc(input_tmp, byte_delta + size);
800
801 if(byte_delta > allocated_for_size - size){
802 allocated_for_size= byte_delta + (int64_t)size;
803 goto need_realloc;
804 }
805 ist->is_start=0;
806
807 memset(input_tmp, 0, byte_delta);
808 memcpy(input_tmp + byte_delta, buf, size);
809 buf= input_tmp;
810 size += byte_delta;
811 if(verbose > 2)
812 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
813 }
814 }else if(audio_sync_method>1){
815 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
816 av_assert0(ost->audio_resample);
817 if(verbose > 2)
818 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
819// 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));
820 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
821 }
822 }
823 }else
824 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
825 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
826
827 if (ost->audio_resample) {
828 buftmp = audio_buf;
829 size_out = audio_resample(ost->resample,
830 (short *)buftmp, (short *)buf,
831 size / (dec->channels * isize));
832 size_out = size_out * enc->channels * osize;
833 } else {
834 buftmp = buf;
835 size_out = size;
836 }
837
838 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
839 const void *ibuf[6]= {buftmp};
840 void *obuf[6]= {audio_buf};
841 int istride[6]= {isize};
842 int ostride[6]= {osize};
843 int len= size_out/istride[0];
844 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
845 printf("av_audio_convert() failed\n");
846 if (exit_on_error)
847 exit_program(1);
848 return;
849 }
850 buftmp = audio_buf;
851 size_out = len*osize;
852 }
853
854 /* now encode as many frames as possible */
855 if (enc->frame_size > 1) {
856 /* output resampled raw samples */
857 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
858 fprintf(stderr, "av_fifo_realloc2() failed\n");
859 exit_program(1);
860 }
861 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
862
863 frame_bytes = enc->frame_size * osize * enc->channels;
864
865 while (av_fifo_size(ost->fifo) >= frame_bytes) {
866 AVPacket pkt;
867 av_init_packet(&pkt);
868
869 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
870
871 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
872
873 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
874 (short *)audio_buf);
875 if (ret < 0) {
876 fprintf(stderr, "Audio encoding failed\n");
877 exit_program(1);
878 }
879 audio_size += ret;
880 pkt.stream_index= ost->index;
881 pkt.data= audio_out;
882 pkt.size= ret;
883 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
884 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
885 pkt.flags |= AV_PKT_FLAG_KEY;
886 write_frame(s, &pkt, enc, ost->bitstream_filters);
887
888 ost->sync_opts += enc->frame_size;
889 }
890 } else {
891 AVPacket pkt;
892 av_init_packet(&pkt);
893
894 ost->sync_opts += size_out / (osize * enc->channels);
895
896 /* output a pcm frame */
897 /* determine the size of the coded buffer */
898 size_out /= osize;
899 if (coded_bps)
900 size_out = size_out*coded_bps/8;
901
902 if(size_out > audio_out_size){
903 fprintf(stderr, "Internal error, buffer size too small\n");
904 exit_program(1);
905 }
906
907 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
908 ret = avcodec_encode_audio(enc, audio_out, size_out,
909 (short *)buftmp);
910 if (ret < 0) {
911 fprintf(stderr, "Audio encoding failed\n");
912 exit_program(1);
913 }
914 audio_size += ret;
915 pkt.stream_index= ost->index;
916 pkt.data= audio_out;
917 pkt.size= ret;
918 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
919 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
920 pkt.flags |= AV_PKT_FLAG_KEY;
921 write_frame(s, &pkt, enc, ost->bitstream_filters);
922 }
923}
924
925static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
926{
927 AVCodecContext *dec;
928 AVPicture *picture2;
929 AVPicture picture_tmp;
930 uint8_t *buf = 0;
931
932 dec = ist->st->codec;
933
934 /* deinterlace : must be done before any resize */
935 if (do_deinterlace) {
936 int size;
937
938 /* create temporary picture */
939 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
940 buf = av_malloc(size);
941 if (!buf)
942 return;
943
944 picture2 = &picture_tmp;
945 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
946
947 if(avpicture_deinterlace(picture2, picture,
948 dec->pix_fmt, dec->width, dec->height) < 0) {
949 /* if error, do not deinterlace */
950 fprintf(stderr, "Deinterlacing failed\n");
951 av_free(buf);
952 buf = NULL;
953 picture2 = picture;
954 }
955 } else {
956 picture2 = picture;
957 }
958
959 if (picture != picture2)
960 *picture = *picture2;
961 *bufp = buf;
962}
963
964/* we begin to correct av delay at this threshold */
965#define AV_DELAY_MAX 0.100
966
967static void do_subtitle_out(AVFormatContext *s,
968 OutputStream *ost,
969 InputStream *ist,
970 AVSubtitle *sub,
971 int64_t pts)
972{
973 static uint8_t *subtitle_out = NULL;
974 int subtitle_out_max_size = 1024 * 1024;
975 int subtitle_out_size, nb, i;
976 AVCodecContext *enc;
977 AVPacket pkt;
978
979 if (pts == AV_NOPTS_VALUE) {
980 fprintf(stderr, "Subtitle packets must have a pts\n");
981 if (exit_on_error)
982 exit_program(1);
983 return;
984 }
985
986 enc = ost->st->codec;
987
988 if (!subtitle_out) {
989 subtitle_out = av_malloc(subtitle_out_max_size);
990 }
991
992 /* Note: DVB subtitle need one packet to draw them and one other
993 packet to clear them */
994 /* XXX: signal it in the codec context ? */
995 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
996 nb = 2;
997 else
998 nb = 1;
999
1000 for(i = 0; i < nb; i++) {
1001 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1002 // start_display_time is required to be 0
1003 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1004 sub->end_display_time -= sub->start_display_time;
1005 sub->start_display_time = 0;
1006 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1007 subtitle_out_max_size, sub);
1008 if (subtitle_out_size < 0) {
1009 fprintf(stderr, "Subtitle encoding failed\n");
1010 exit_program(1);
1011 }
1012
1013 av_init_packet(&pkt);
1014 pkt.stream_index = ost->index;
1015 pkt.data = subtitle_out;
1016 pkt.size = subtitle_out_size;
1017 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1018 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1019 /* XXX: the pts correction is handled here. Maybe handling
1020 it in the codec would be better */
1021 if (i == 0)
1022 pkt.pts += 90 * sub->start_display_time;
1023 else
1024 pkt.pts += 90 * sub->end_display_time;
1025 }
1026 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1027 }
1028}
1029
1030static int bit_buffer_size= 1024*256;
1031static uint8_t *bit_buffer= NULL;
1032
1033static void do_video_out(AVFormatContext *s,
1034 OutputStream *ost,
1035 InputStream *ist,
1036 AVFrame *in_picture,
1037 int *frame_size, float quality)
1038{
1039 int nb_frames, i, ret, resample_changed;
1040 AVFrame *final_picture, *formatted_picture;
1041 AVCodecContext *enc, *dec;
1042 double sync_ipts;
1043
1044 enc = ost->st->codec;
1045 dec = ist->st->codec;
1046
1047 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1048
1049 /* by default, we output a single frame */
1050 nb_frames = 1;
1051
1052 *frame_size = 0;
1053
1054 if(video_sync_method){
1055 double vdelta = sync_ipts - ost->sync_opts;
1056 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1057 if (vdelta < -1.1)
1058 nb_frames = 0;
1059 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1060 if(vdelta<=-0.6){
1061 nb_frames=0;
1062 }else if(vdelta>0.6)
1063 ost->sync_opts= lrintf(sync_ipts);
1064 }else if (vdelta > 1.1)
1065 nb_frames = lrintf(vdelta);
1066//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);
1067 if (nb_frames == 0){
1068 ++nb_frames_drop;
1069 if (verbose>2)
1070 fprintf(stderr, "*** drop!\n");
1071 }else if (nb_frames > 1) {
1072 nb_frames_dup += nb_frames - 1;
1073 if (verbose>2)
1074 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1075 }
1076 }else
1077 ost->sync_opts= lrintf(sync_ipts);
1078
1079 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1080 if (nb_frames <= 0)
1081 return;
1082
1083 formatted_picture = in_picture;
1084 final_picture = formatted_picture;
1085
1086 resample_changed = ost->resample_width != dec->width ||
1087 ost->resample_height != dec->height ||
1088 ost->resample_pix_fmt != dec->pix_fmt;
1089
1090 if (resample_changed) {
1091 av_log(NULL, AV_LOG_INFO,
1092 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1093 ist->file_index, ist->st->index,
1094 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1095 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1096 if(!ost->video_resample)
5c59fa56 1097 ost->video_resample = 1;
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1098 }
1099
1100#if !CONFIG_AVFILTER
1101 if (ost->video_resample) {
1102 final_picture = &ost->pict_tmp;
1103 if (resample_changed) {
1104 /* initialize a new scaler context */
1105 sws_freeContext(ost->img_resample_ctx);
1106 ost->img_resample_ctx = sws_getContext(
1107 ist->st->codec->width,
1108 ist->st->codec->height,
1109 ist->st->codec->pix_fmt,
1110 ost->st->codec->width,
1111 ost->st->codec->height,
1112 ost->st->codec->pix_fmt,
1113 ost->sws_flags, NULL, NULL, NULL);
1114 if (ost->img_resample_ctx == NULL) {
1115 fprintf(stderr, "Cannot get resampling context\n");
1116 exit_program(1);
1117 }
1118 }
1119 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1120 0, ost->resample_height, final_picture->data, final_picture->linesize);
1121 }
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1122#else
1123 if (resample_changed) {
1124 avfilter_graph_free(&ost->graph);
1125 if (configure_video_filters(ist, ost)) {
1126 fprintf(stderr, "Error reinitialising filters!\n");
1127 exit_program(1);
1128 }
1129 }
6291d7e4 1130#endif
428c59d9
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1131 if (resample_changed) {
1132 ost->resample_width = dec->width;
1133 ost->resample_height = dec->height;
1134 ost->resample_pix_fmt = dec->pix_fmt;
1135 }
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1136
1137 /* duplicates frame if needed */
1138 for(i=0;i<nb_frames;i++) {
1139 AVPacket pkt;
1140 av_init_packet(&pkt);
1141 pkt.stream_index= ost->index;
1142
1143 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1144 /* raw pictures are written as AVPicture structure to
1145 avoid any copies. We support temorarily the older
1146 method. */
1147 AVFrame* old_frame = enc->coded_frame;
1148 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1149 pkt.data= (uint8_t *)final_picture;
1150 pkt.size= sizeof(AVPicture);
1151 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1152 pkt.flags |= AV_PKT_FLAG_KEY;
1153
1154 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1155 enc->coded_frame = old_frame;
1156 } else {
1157 AVFrame big_picture;
1158
1159 big_picture= *final_picture;
1160 /* better than nothing: use input picture interlaced
1161 settings */
1162 big_picture.interlaced_frame = in_picture->interlaced_frame;
1163 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1164 if(top_field_first == -1)
1165 big_picture.top_field_first = in_picture->top_field_first;
1166 else
1167 big_picture.top_field_first = top_field_first;
1168 }
1169
f4ad238c 1170 /* handles same_quant here. This is not correct because it may
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1171 not be a global option */
1172 big_picture.quality = quality;
1173 if(!me_threshold)
1174 big_picture.pict_type = 0;
1175// big_picture.pts = AV_NOPTS_VALUE;
1176 big_picture.pts= ost->sync_opts;
1177// big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1178//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1179 if (ost->forced_kf_index < ost->forced_kf_count &&
1180 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1181 big_picture.pict_type = AV_PICTURE_TYPE_I;
1182 ost->forced_kf_index++;
1183 }
1184 ret = avcodec_encode_video(enc,
1185 bit_buffer, bit_buffer_size,
1186 &big_picture);
1187 if (ret < 0) {
1188 fprintf(stderr, "Video encoding failed\n");
1189 exit_program(1);
1190 }
1191
1192 if(ret>0){
1193 pkt.data= bit_buffer;
1194 pkt.size= ret;
1195 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1196 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1197/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1198 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1199 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1200
1201 if(enc->coded_frame->key_frame)
1202 pkt.flags |= AV_PKT_FLAG_KEY;
1203 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1204 *frame_size = ret;
1205 video_size += ret;
1206 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1207 // enc->frame_number-1, ret, enc->pict_type);
1208 /* if two pass, output log */
1209 if (ost->logfile && enc->stats_out) {
1210 fprintf(ost->logfile, "%s", enc->stats_out);
1211 }
1212 }
1213 }
1214 ost->sync_opts++;
1215 ost->frame_number++;
1216 }
1217}
1218
1219static double psnr(double d){
1220 return -10.0*log(d)/log(10.0);
1221}
1222
1223static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1224 int frame_size)
1225{
1226 AVCodecContext *enc;
1227 int frame_number;
1228 double ti1, bitrate, avg_bitrate;
1229
1230 /* this is executed just the first time do_video_stats is called */
1231 if (!vstats_file) {
1232 vstats_file = fopen(vstats_filename, "w");
1233 if (!vstats_file) {
1234 perror("fopen");
1235 exit_program(1);
1236 }
1237 }
1238
1239 enc = ost->st->codec;
1240 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1241 frame_number = ost->frame_number;
1242 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1243 if (enc->flags&CODEC_FLAG_PSNR)
1244 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1245
1246 fprintf(vstats_file,"f_size= %6d ", frame_size);
1247 /* compute pts value */
1248 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1249 if (ti1 < 0.01)
1250 ti1 = 0.01;
1251
1252 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1253 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1254 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1255 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1256 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1257 }
1258}
1259
1260static void print_report(AVFormatContext **output_files,
1261 OutputStream **ost_table, int nb_ostreams,
1262 int is_last_report)
1263{
1264 char buf[1024];
1265 OutputStream *ost;
1266 AVFormatContext *oc;
1267 int64_t total_size;
1268 AVCodecContext *enc;
1269 int frame_number, vid, i;
1270 double bitrate, ti1, pts;
1271 static int64_t last_time = -1;
1272 static int qp_histogram[52];
1273
1274 if (!is_last_report) {
1275 int64_t cur_time;
1276 /* display the report every 0.5 seconds */
1277 cur_time = av_gettime();
1278 if (last_time == -1) {
1279 last_time = cur_time;
1280 return;
1281 }
1282 if ((cur_time - last_time) < 500000)
1283 return;
1284 last_time = cur_time;
1285 }
1286
1287
1288 oc = output_files[0];
1289
1290 total_size = avio_size(oc->pb);
1291 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1292 total_size= avio_tell(oc->pb);
1293
1294 buf[0] = '\0';
1295 ti1 = 1e10;
1296 vid = 0;
1297 for(i=0;i<nb_ostreams;i++) {
1298 float q = -1;
1299 ost = ost_table[i];
1300 enc = ost->st->codec;
1301 if (!ost->st->stream_copy && enc->coded_frame)
1302 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1303 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1304 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1305 }
1306 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1307 float t = (av_gettime()-timer_start) / 1000000.0;
1308
1309 frame_number = ost->frame_number;
1310 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1311 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1312 if(is_last_report)
1313 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1314 if(qp_hist){
1315 int j;
1316 int qp = lrintf(q);
1317 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1318 qp_histogram[qp]++;
1319 for(j=0; j<32; j++)
1320 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1321 }
1322 if (enc->flags&CODEC_FLAG_PSNR){
1323 int j;
1324 double error, error_sum=0;
1325 double scale, scale_sum=0;
1326 char type[3]= {'Y','U','V'};
1327 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1328 for(j=0; j<3; j++){
1329 if(is_last_report){
1330 error= enc->error[j];
1331 scale= enc->width*enc->height*255.0*255.0*frame_number;
1332 }else{
1333 error= enc->coded_frame->error[j];
1334 scale= enc->width*enc->height*255.0*255.0;
1335 }
1336 if(j) scale/=4;
1337 error_sum += error;
1338 scale_sum += scale;
1339 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1340 }
1341 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1342 }
1343 vid = 1;
1344 }
1345 /* compute min output value */
1346 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1347 if ((pts < ti1) && (pts > 0))
1348 ti1 = pts;
1349 }
1350 if (ti1 < 0.01)
1351 ti1 = 0.01;
1352
1353 if (verbose > 0 || is_last_report) {
1354 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1355
1356 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1357 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1358 (double)total_size / 1024, ti1, bitrate);
1359
1360 if (nb_frames_dup || nb_frames_drop)
1361 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1362 nb_frames_dup, nb_frames_drop);
1363
1364 if (verbose >= 0)
1365 fprintf(stderr, "%s \r", buf);
1366
1367 fflush(stderr);
1368 }
1369
1370 if (is_last_report && verbose >= 0){
1371 int64_t raw= audio_size + video_size + extra_size;
1372 fprintf(stderr, "\n");
1373 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1374 video_size/1024.0,
1375 audio_size/1024.0,
1376 extra_size/1024.0,
1377 100.0*(total_size - raw)/raw
1378 );
1379 }
1380}
1381
1382static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1383{
1384 int fill_char = 0x00;
1385 if (sample_fmt == AV_SAMPLE_FMT_U8)
1386 fill_char = 0x80;
1387 memset(buf, fill_char, size);
1388}
1389
1390/* pkt = NULL means EOF (needed to flush decoder buffers) */
1391static int output_packet(InputStream *ist, int ist_index,
1392 OutputStream **ost_table, int nb_ostreams,
1393 const AVPacket *pkt)
1394{
1395 AVFormatContext *os;
1396 OutputStream *ost;
1397 int ret, i;
1398 int got_output;
1399 AVFrame picture;
1400 void *buffer_to_free = NULL;
1401 static unsigned int samples_size= 0;
1402 AVSubtitle subtitle, *subtitle_to_free;
1403 int64_t pkt_pts = AV_NOPTS_VALUE;
1404#if CONFIG_AVFILTER
1405 int frame_available;
1406#endif
1407 float quality;
1408
1409 AVPacket avpkt;
1410 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1411
1412 if(ist->next_pts == AV_NOPTS_VALUE)
1413 ist->next_pts= ist->pts;
1414
1415 if (pkt == NULL) {
1416 /* EOF handling */
1417 av_init_packet(&avpkt);
1418 avpkt.data = NULL;
1419 avpkt.size = 0;
1420 goto handle_eof;
1421 } else {
1422 avpkt = *pkt;
1423 }
1424
1425 if(pkt->dts != AV_NOPTS_VALUE)
1426 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1427 if(pkt->pts != AV_NOPTS_VALUE)
1428 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1429
1430 //while we have more to decode or while the decoder did output something on EOF
1431 while (avpkt.size > 0 || (!pkt && got_output)) {
1432 uint8_t *data_buf, *decoded_data_buf;
1433 int data_size, decoded_data_size;
1434 handle_eof:
1435 ist->pts= ist->next_pts;
1436
1437 if(avpkt.size && avpkt.size != pkt->size &&
1438 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1439 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1440 ist->showed_multi_packet_warning=1;
1441 }
1442
1443 /* decode the packet if needed */
1444 decoded_data_buf = NULL; /* fail safe */
1445 decoded_data_size= 0;
1446 data_buf = avpkt.data;
1447 data_size = avpkt.size;
1448 subtitle_to_free = NULL;
1449 if (ist->decoding_needed) {
1450 switch(ist->st->codec->codec_type) {
1451 case AVMEDIA_TYPE_AUDIO:{
1452 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1453 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1454 av_free(samples);
1455 samples= av_malloc(samples_size);
1456 }
1457 decoded_data_size= samples_size;
1458 /* XXX: could avoid copy if PCM 16 bits with same
1459 endianness as CPU */
1460 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1461 &avpkt);
1462 if (ret < 0)
1463 return ret;
1464 avpkt.data += ret;
1465 avpkt.size -= ret;
1466 data_size = ret;
1467 got_output = decoded_data_size > 0;
1468 /* Some bug in mpeg audio decoder gives */
1469 /* decoded_data_size < 0, it seems they are overflows */
1470 if (!got_output) {
1471 /* no audio frame */
1472 continue;
1473 }
1474 decoded_data_buf = (uint8_t *)samples;
1475 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1476 (ist->st->codec->sample_rate * ist->st->codec->channels);
1477 break;}
1478 case AVMEDIA_TYPE_VIDEO:
1479 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1480 /* XXX: allocate picture correctly */
1481 avcodec_get_frame_defaults(&picture);
1482 avpkt.pts = pkt_pts;
1483 avpkt.dts = ist->pts;
1484 pkt_pts = AV_NOPTS_VALUE;
1485
1486 ret = avcodec_decode_video2(ist->st->codec,
1487 &picture, &got_output, &avpkt);
f4ad238c 1488 quality = same_quant ? picture.quality : 0;
6291d7e4
AK
1489 if (ret < 0)
1490 return ret;
1491 if (!got_output) {
1492 /* no picture yet */
1493 goto discard_packet;
1494 }
1495 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1496 if (ist->st->codec->time_base.num != 0) {
1497 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1498 ist->next_pts += ((int64_t)AV_TIME_BASE *
1499 ist->st->codec->time_base.num * ticks) /
1500 ist->st->codec->time_base.den;
1501 }
1502 avpkt.size = 0;
1503 buffer_to_free = NULL;
1504 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1505 break;
1506 case AVMEDIA_TYPE_SUBTITLE:
1507 ret = avcodec_decode_subtitle2(ist->st->codec,
1508 &subtitle, &got_output, &avpkt);
1509 if (ret < 0)
1510 return ret;
1511 if (!got_output) {
1512 goto discard_packet;
1513 }
1514 subtitle_to_free = &subtitle;
1515 avpkt.size = 0;
1516 break;
1517 default:
1518 return -1;
1519 }
1520 } else {
1521 switch(ist->st->codec->codec_type) {
1522 case AVMEDIA_TYPE_AUDIO:
1523 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1524 ist->st->codec->sample_rate;
1525 break;
1526 case AVMEDIA_TYPE_VIDEO:
1527 if (ist->st->codec->time_base.num != 0) {
1528 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1529 ist->next_pts += ((int64_t)AV_TIME_BASE *
1530 ist->st->codec->time_base.num * ticks) /
1531 ist->st->codec->time_base.den;
1532 }
1533 break;
1534 }
1535 ret = avpkt.size;
1536 avpkt.size = 0;
1537 }
1538
1539#if CONFIG_AVFILTER
1540 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1541 for (i = 0; i < nb_ostreams; i++) {
1542 ost = ost_table[i];
1543 if (ost->input_video_filter && ost->source_index == ist_index) {
1544 AVRational sar;
1545 if (ist->st->sample_aspect_ratio.num)
1546 sar = ist->st->sample_aspect_ratio;
1547 else
1548 sar = ist->st->codec->sample_aspect_ratio;
1549 // add it to be filtered
1550 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture,
1551 ist->pts,
1552 sar);
1553 }
1554 }
1555 }
1556#endif
1557
1558 // preprocess audio (volume)
1559 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1560 if (audio_volume != 256) {
1561 short *volp;
1562 volp = samples;
1563 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1564 int v = ((*volp) * audio_volume + 128) >> 8;
1565 if (v < -32768) v = -32768;
1566 if (v > 32767) v = 32767;
1567 *volp++ = v;
1568 }
1569 }
1570 }
1571
1572 /* frame rate emulation */
1573 if (rate_emu) {
1574 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1575 int64_t now = av_gettime() - ist->start;
1576 if (pts > now)
1577 usleep(pts - now);
1578 }
1579 /* if output time reached then transcode raw format,
1580 encode packets and output them */
1581 if (start_time == 0 || ist->pts >= start_time)
1582 for(i=0;i<nb_ostreams;i++) {
1583 int frame_size;
1584
1585 ost = ost_table[i];
1586 if (ost->source_index == ist_index) {
1587#if CONFIG_AVFILTER
1588 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1589 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1590 while (frame_available) {
1591 AVRational ist_pts_tb;
1592 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1593 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1594 if (ost->picref)
1595 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1596#endif
1597 os = output_files[ost->file_index];
1598
1599 /* set the input output pts pairs */
1600 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1601
1602 if (ost->encoding_needed) {
1603 av_assert0(ist->decoding_needed);
1604 switch(ost->st->codec->codec_type) {
1605 case AVMEDIA_TYPE_AUDIO:
1606 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1607 break;
1608 case AVMEDIA_TYPE_VIDEO:
1609#if CONFIG_AVFILTER
1610 if (ost->picref->video && !ost->frame_aspect_ratio)
1611 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1612#endif
1613 do_video_out(os, ost, ist, &picture, &frame_size,
f4ad238c 1614 same_quant ? quality : ost->st->codec->global_quality);
6291d7e4
AK
1615 if (vstats_filename && frame_size)
1616 do_video_stats(os, ost, frame_size);
1617 break;
1618 case AVMEDIA_TYPE_SUBTITLE:
1619 do_subtitle_out(os, ost, ist, &subtitle,
1620 pkt->pts);
1621 break;
1622 default:
1623 abort();
1624 }
1625 } else {
1626 AVFrame avframe; //FIXME/XXX remove this
1627 AVPacket opkt;
1628 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1629
1630 av_init_packet(&opkt);
1631
1632 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1633#if !CONFIG_AVFILTER
1634 continue;
1635#else
1636 goto cont;
1637#endif
1638
1639 /* no reencoding needed : output the packet directly */
1640 /* force the input stream PTS */
1641
1642 avcodec_get_frame_defaults(&avframe);
1643 ost->st->codec->coded_frame= &avframe;
1644 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1645
1646 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1647 audio_size += data_size;
1648 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1649 video_size += data_size;
1650 ost->sync_opts++;
1651 }
1652
1653 opkt.stream_index= ost->index;
1654 if(pkt->pts != AV_NOPTS_VALUE)
1655 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1656 else
1657 opkt.pts= AV_NOPTS_VALUE;
1658
1659 if (pkt->dts == AV_NOPTS_VALUE)
1660 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1661 else
1662 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1663 opkt.dts -= ost_tb_start_time;
1664
1665 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1666 opkt.flags= pkt->flags;
1667
1668 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1669 if( ost->st->codec->codec_id != CODEC_ID_H264
1670 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1671 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1672 ) {
1673 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1674 opkt.destruct= av_destruct_packet;
1675 } else {
1676 opkt.data = data_buf;
1677 opkt.size = data_size;
1678 }
1679
1680 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1681 ost->st->codec->frame_number++;
1682 ost->frame_number++;
1683 av_free_packet(&opkt);
1684 }
1685#if CONFIG_AVFILTER
1686 cont:
1687 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1688 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1689 if (ost->picref)
1690 avfilter_unref_buffer(ost->picref);
1691 }
1692#endif
1693 }
1694 }
1695
1696 av_free(buffer_to_free);
1697 /* XXX: allocate the subtitles in the codec ? */
1698 if (subtitle_to_free) {
1699 avsubtitle_free(subtitle_to_free);
1700 subtitle_to_free = NULL;
1701 }
1702 }
1703 discard_packet:
1704 if (pkt == NULL) {
1705 /* EOF handling */
1706
1707 for(i=0;i<nb_ostreams;i++) {
1708 ost = ost_table[i];
1709 if (ost->source_index == ist_index) {
1710 AVCodecContext *enc= ost->st->codec;
1711 os = output_files[ost->file_index];
1712
1713 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1714 continue;
1715 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1716 continue;
1717
1718 if (ost->encoding_needed) {
1719 for(;;) {
1720 AVPacket pkt;
1721 int fifo_bytes;
1722 av_init_packet(&pkt);
1723 pkt.stream_index= ost->index;
1724
1725 switch(ost->st->codec->codec_type) {
1726 case AVMEDIA_TYPE_AUDIO:
1727 fifo_bytes = av_fifo_size(ost->fifo);
1728 ret = 0;
1729 /* encode any samples remaining in fifo */
1730 if (fifo_bytes > 0) {
1731 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1732 int fs_tmp = enc->frame_size;
1733
1734 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1735 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1736 enc->frame_size = fifo_bytes / (osize * enc->channels);
1737 } else { /* pad */
1738 int frame_bytes = enc->frame_size*osize*enc->channels;
1739 if (allocated_audio_buf_size < frame_bytes)
1740 exit_program(1);
1741 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1742 }
1743
1744 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1745 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1746 ost->st->time_base.num, enc->sample_rate);
1747 enc->frame_size = fs_tmp;
1748 }
1749 if(ret <= 0) {
1750 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1751 }
1752 if (ret < 0) {
1753 fprintf(stderr, "Audio encoding failed\n");
1754 exit_program(1);
1755 }
1756 audio_size += ret;
1757 pkt.flags |= AV_PKT_FLAG_KEY;
1758 break;
1759 case AVMEDIA_TYPE_VIDEO:
1760 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1761 if (ret < 0) {
1762 fprintf(stderr, "Video encoding failed\n");
1763 exit_program(1);
1764 }
1765 video_size += ret;
1766 if(enc->coded_frame && enc->coded_frame->key_frame)
1767 pkt.flags |= AV_PKT_FLAG_KEY;
1768 if (ost->logfile && enc->stats_out) {
1769 fprintf(ost->logfile, "%s", enc->stats_out);
1770 }
1771 break;
1772 default:
1773 ret=-1;
1774 }
1775
1776 if(ret<=0)
1777 break;
1778 pkt.data= bit_buffer;
1779 pkt.size= ret;
1780 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1781 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1782 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1783 }
1784 }
1785 }
1786 }
1787 }
1788
1789 return 0;
1790}
1791
1792static void print_sdp(AVFormatContext **avc, int n)
1793{
1794 char sdp[2048];
1795
1796 av_sdp_create(avc, n, sdp, sizeof(sdp));
1797 printf("SDP:\n%s\n", sdp);
1798 fflush(stdout);
1799}
1800
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1801/*
1802 * The following code is the main loop of the file converter
1803 */
1804static int transcode(AVFormatContext **output_files,
1805 int nb_output_files,
1806 InputFile *input_files,
3d4f0dab 1807 int nb_input_files)
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1808{
1809 int ret = 0, i, j, k, n, nb_ostreams = 0;
1810 AVFormatContext *is, *os;
1811 AVCodecContext *codec, *icodec;
1812 OutputStream *ost, **ost_table = NULL;
1813 InputStream *ist;
1814 char error[1024];
1815 int want_sdp = 1;
1816 uint8_t no_packet[MAX_FILES]={0};
1817 int no_packet_count=0;
1818
1819 if (rate_emu)
1820 for (i = 0; i < nb_input_streams; i++)
1821 input_streams[i].start = av_gettime();
1822
1823 /* output stream init */
1824 nb_ostreams = 0;
1825 for(i=0;i<nb_output_files;i++) {
1826 os = output_files[i];
1827 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1828 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
1829 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1830 ret = AVERROR(EINVAL);
1831 goto fail;
1832 }
1833 nb_ostreams += os->nb_streams;
1834 }
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1835
1836 ost_table = av_mallocz(sizeof(OutputStream *) * nb_ostreams);
1837 if (!ost_table)
1838 goto fail;
1839 n = 0;
1840 for(k=0;k<nb_output_files;k++) {
1841 os = output_files[k];
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1842 for (i = 0; i < os->nb_streams; i++, n++)
1843 ost_table[n] = output_streams_for_file[k][i];
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1844 }
1845
1846 /* for each output stream, we compute the right encoding parameters */
1847 for(i=0;i<nb_ostreams;i++) {
1848 ost = ost_table[i];
1849 os = output_files[ost->file_index];
1850 ist = &input_streams[ost->source_index];
1851
1852 codec = ost->st->codec;
1853 icodec = ist->st->codec;
1854
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1855 ost->st->disposition = ist->st->disposition;
1856 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1857 codec->chroma_sample_location = icodec->chroma_sample_location;
1858
1859 if (ost->st->stream_copy) {
1860 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1861
1862 if (extra_size > INT_MAX)
1863 goto fail;
1864
1865 /* if stream_copy is selected, no need to decode or encode */
1866 codec->codec_id = icodec->codec_id;
1867 codec->codec_type = icodec->codec_type;
1868
1869 if(!codec->codec_tag){
1870 if( !os->oformat->codec_tag
1871 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1872 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1873 codec->codec_tag = icodec->codec_tag;
1874 }
1875
1876 codec->bit_rate = icodec->bit_rate;
1877 codec->rc_max_rate = icodec->rc_max_rate;
1878 codec->rc_buffer_size = icodec->rc_buffer_size;
1879 codec->extradata= av_mallocz(extra_size);
1880 if (!codec->extradata)
1881 goto fail;
1882 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1883 codec->extradata_size= icodec->extradata_size;
1884 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){
1885 codec->time_base = icodec->time_base;
1886 codec->time_base.num *= icodec->ticks_per_frame;
1887 av_reduce(&codec->time_base.num, &codec->time_base.den,
1888 codec->time_base.num, codec->time_base.den, INT_MAX);
1889 }else
1890 codec->time_base = ist->st->time_base;
1891 switch(codec->codec_type) {
1892 case AVMEDIA_TYPE_AUDIO:
1893 if(audio_volume != 256) {
1894 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1895 exit_program(1);
1896 }
1897 codec->channel_layout = icodec->channel_layout;
1898 codec->sample_rate = icodec->sample_rate;
1899 codec->channels = icodec->channels;
1900 codec->frame_size = icodec->frame_size;
1901 codec->audio_service_type = icodec->audio_service_type;
1902 codec->block_align= icodec->block_align;
1903 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1904 codec->block_align= 0;
1905 if(codec->codec_id == CODEC_ID_AC3)
1906 codec->block_align= 0;
1907 break;
1908 case AVMEDIA_TYPE_VIDEO:
1909 codec->pix_fmt = icodec->pix_fmt;
1910 codec->width = icodec->width;
1911 codec->height = icodec->height;
1912 codec->has_b_frames = icodec->has_b_frames;
1913 if (!codec->sample_aspect_ratio.num) {
1914 codec->sample_aspect_ratio =
1915 ost->st->sample_aspect_ratio =
1916 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1917 ist->st->codec->sample_aspect_ratio.num ?
1918 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1919 }
1920 break;
1921 case AVMEDIA_TYPE_SUBTITLE:
1922 codec->width = icodec->width;
1923 codec->height = icodec->height;
1924 break;
1925 case AVMEDIA_TYPE_DATA:
1926 break;
1927 default:
1928 abort();
1929 }
1930 } else {
1931 if (!ost->enc)
1932 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
1933 switch(codec->codec_type) {
1934 case AVMEDIA_TYPE_AUDIO:
1935 ost->fifo= av_fifo_alloc(1024);
1936 if(!ost->fifo)
1937 goto fail;
1938 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
1939 if (!codec->sample_rate) {
1940 codec->sample_rate = icodec->sample_rate;
1941 if (icodec->lowres)
1942 codec->sample_rate >>= icodec->lowres;
1943 }
1944 choose_sample_rate(ost->st, ost->enc);
1945 codec->time_base = (AVRational){1, codec->sample_rate};
1946 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
1947 codec->sample_fmt = icodec->sample_fmt;
1948 choose_sample_fmt(ost->st, ost->enc);
1949 if (!codec->channels)
1950 codec->channels = icodec->channels;
1951 codec->channel_layout = icodec->channel_layout;
1952 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
1953 codec->channel_layout = 0;
1954 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1955 icodec->request_channels = codec->channels;
1956 ist->decoding_needed = 1;
1957 ost->encoding_needed = 1;
1958 ost->resample_sample_fmt = icodec->sample_fmt;
1959 ost->resample_sample_rate = icodec->sample_rate;
1960 ost->resample_channels = icodec->channels;
1961 break;
1962 case AVMEDIA_TYPE_VIDEO:
1963 if (codec->pix_fmt == PIX_FMT_NONE)
1964 codec->pix_fmt = icodec->pix_fmt;
1965 choose_pixel_fmt(ost->st, ost->enc);
1966
1967 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
1968 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
1969 exit_program(1);
1970 }
1971
1972 if (!codec->width || !codec->height) {
1973 codec->width = icodec->width;
1974 codec->height = icodec->height;
1975 }
1976
1977 ost->video_resample = codec->width != icodec->width ||
1978 codec->height != icodec->height ||
1979 codec->pix_fmt != icodec->pix_fmt;
1980 if (ost->video_resample) {
1981#if !CONFIG_AVFILTER
1982 avcodec_get_frame_defaults(&ost->pict_tmp);
1983 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1984 codec->width, codec->height)) {
1985 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1986 exit_program(1);
1987 }
1988 ost->img_resample_ctx = sws_getContext(
1989 icodec->width,
1990 icodec->height,
1991 icodec->pix_fmt,
1992 codec->width,
1993 codec->height,
1994 codec->pix_fmt,
1995 ost->sws_flags, NULL, NULL, NULL);
1996 if (ost->img_resample_ctx == NULL) {
1997 fprintf(stderr, "Cannot get resampling context\n");
1998 exit_program(1);
1999 }
2000#endif
2001 codec->bits_per_raw_sample= 0;
2002 }
2003
2004 ost->resample_height = icodec->height;
2005 ost->resample_width = icodec->width;
2006 ost->resample_pix_fmt= icodec->pix_fmt;
2007 ost->encoding_needed = 1;
2008 ist->decoding_needed = 1;
2009
2010 if (!ost->frame_rate.num)
2011 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2012 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2013 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2014 ost->frame_rate = ost->enc->supported_framerates[idx];
2015 }
2016 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2017
2018#if CONFIG_AVFILTER
2019 if (configure_video_filters(ist, ost)) {
2020 fprintf(stderr, "Error opening filters!\n");
2021 exit(1);
2022 }
2023#endif
2024 break;
2025 case AVMEDIA_TYPE_SUBTITLE:
2026 ost->encoding_needed = 1;
2027 ist->decoding_needed = 1;
2028 break;
2029 default:
2030 abort();
2031 break;
2032 }
2033 /* two pass mode */
2034 if (ost->encoding_needed &&
2035 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2036 char logfilename[1024];
2037 FILE *f;
2038
2039 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2040 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2041 i);
2042 if (codec->flags & CODEC_FLAG_PASS1) {
2043 f = fopen(logfilename, "wb");
2044 if (!f) {
2045 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2046 exit_program(1);
2047 }
2048 ost->logfile = f;
2049 } else {
2050 char *logbuffer;
2051 size_t logbuffer_size;
2052 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2053 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2054 exit_program(1);
2055 }
2056 codec->stats_in = logbuffer;
2057 }
2058 }
2059 }
2060 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2061 int size= codec->width * codec->height;
2062 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2063 }
2064 }
2065
2066 if (!bit_buffer)
2067 bit_buffer = av_malloc(bit_buffer_size);
2068 if (!bit_buffer) {
2069 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2070 bit_buffer_size);
2071 ret = AVERROR(ENOMEM);
2072 goto fail;
2073 }
2074
2075 /* open each encoder */
2076 for(i=0;i<nb_ostreams;i++) {
2077 ost = ost_table[i];
2078 if (ost->encoding_needed) {
2079 AVCodec *codec = ost->enc;
2080 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2081 if (!codec) {
2082 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2083 ost->st->codec->codec_id, ost->file_index, ost->index);
2084 ret = AVERROR(EINVAL);
2085 goto dump_format;
2086 }
2087 if (dec->subtitle_header) {
2088 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2089 if (!ost->st->codec->subtitle_header) {
2090 ret = AVERROR(ENOMEM);
2091 goto dump_format;
2092 }
2093 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2094 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2095 }
2096 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2097 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2098 ost->file_index, ost->index);
2099 ret = AVERROR(EINVAL);
2100 goto dump_format;
2101 }
2102 assert_codec_experimental(ost->st->codec, 1);
2103 assert_avoptions(ost->opts);
2104 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2105 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2106 "It takes bits/s as argument, not kbits/s\n");
2107 extra_size += ost->st->codec->extradata_size;
2108 }
2109 }
2110
2111 /* open each decoder */
2112 for (i = 0; i < nb_input_streams; i++) {
2113 ist = &input_streams[i];
2114 if (ist->decoding_needed) {
2115 AVCodec *codec = ist->dec;
2116 if (!codec)
2117 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2118 if (!codec) {
2119 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2120 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2121 ret = AVERROR(EINVAL);
2122 goto dump_format;
2123 }
2124
2125 /* update requested sample format for the decoder based on the
2126 corresponding encoder sample format */
2127 for (j = 0; j < nb_ostreams; j++) {
2128 ost = ost_table[j];
2129 if (ost->source_index == i) {
2130 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2131 break;
2132 }
2133 }
2134
2135 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2136 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2137 ist->file_index, ist->st->index);
2138 ret = AVERROR(EINVAL);
2139 goto dump_format;
2140 }
2141 assert_codec_experimental(ist->st->codec, 0);
2142 assert_avoptions(ost->opts);
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2143 }
2144 }
2145
2146 /* init pts */
2147 for (i = 0; i < nb_input_streams; i++) {
2148 AVStream *st;
2149 ist = &input_streams[i];
2150 st= ist->st;
2151 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2152 ist->next_pts = AV_NOPTS_VALUE;
2153 init_pts_correction(&ist->pts_ctx);
2154 ist->is_start = 1;
2155 }
2156
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2157 /* open files and write file headers */
2158 for(i=0;i<nb_output_files;i++) {
2159 os = output_files[i];
2160 if (avformat_write_header(os, &output_opts[i]) < 0) {
2161 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2162 ret = AVERROR(EINVAL);
2163 goto dump_format;
2164 }
2165 assert_avoptions(output_opts[i]);
2166 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2167 want_sdp = 0;
2168 }
2169 }
2170
2171 dump_format:
2172 /* dump the file output parameters - cannot be done before in case
2173 of stream copy */
2174 for(i=0;i<nb_output_files;i++) {
2175 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2176 }
2177
2178 /* dump the stream mapping */
2179 if (verbose >= 0) {
2180 fprintf(stderr, "Stream mapping:\n");
2181 for(i=0;i<nb_ostreams;i++) {
2182 ost = ost_table[i];
2183 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2184 input_streams[ost->source_index].file_index,
2185 input_streams[ost->source_index].st->index,
2186 ost->file_index,
2187 ost->index);
2188 if (ost->sync_ist != &input_streams[ost->source_index])
2189 fprintf(stderr, " [sync #%d.%d]",
2190 ost->sync_ist->file_index,
2191 ost->sync_ist->st->index);
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2192 if (ost->st->stream_copy)
2193 fprintf(stderr, " (copy)");
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2194 fprintf(stderr, "\n");
2195 }
2196 }
2197
2198 if (ret) {
2199 fprintf(stderr, "%s\n", error);
2200 goto fail;
2201 }
2202
2203 if (want_sdp) {
2204 print_sdp(output_files, nb_output_files);
2205 }
2206
2207 if (verbose >= 0)
2208 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2209 term_init();
2210
2211 timer_start = av_gettime();
2212
2213 for(; received_sigterm == 0;) {
2214 int file_index, ist_index;
2215 AVPacket pkt;
2216 double ipts_min;
2217 double opts_min;
2218
2219 redo:
2220 ipts_min= 1e100;
2221 opts_min= 1e100;
2222
2223 /* select the stream that we must read now by looking at the
2224 smallest output pts */
2225 file_index = -1;
2226 for(i=0;i<nb_ostreams;i++) {
2227 double ipts, opts;
2228 ost = ost_table[i];
2229 os = output_files[ost->file_index];
2230 ist = &input_streams[ost->source_index];
2231 if(ist->is_past_recording_time || no_packet[ist->file_index])
2232 continue;
2233 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2234 ipts = (double)ist->pts;
2235 if (!input_files[ist->file_index].eof_reached){
2236 if(ipts < ipts_min) {
2237 ipts_min = ipts;
2238 if(input_sync ) file_index = ist->file_index;
2239 }
2240 if(opts < opts_min) {
2241 opts_min = opts;
2242 if(!input_sync) file_index = ist->file_index;
2243 }
2244 }
2245 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2246 file_index= -1;
2247 break;
2248 }
2249 }
2250 /* if none, if is finished */
2251 if (file_index < 0) {
2252 if(no_packet_count){
2253 no_packet_count=0;
2254 memset(no_packet, 0, sizeof(no_packet));
2255 usleep(10000);
2256 continue;
2257 }
2258 break;
2259 }
2260
2261 /* finish if limit size exhausted */
2262 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2263 break;
2264
2265 /* read a frame from it and output it in the fifo */
2266 is = input_files[file_index].ctx;
2267 ret= av_read_frame(is, &pkt);
2268 if(ret == AVERROR(EAGAIN)){
2269 no_packet[file_index]=1;
2270 no_packet_count++;
2271 continue;
2272 }
2273 if (ret < 0) {
2274 input_files[file_index].eof_reached = 1;
2275 if (opt_shortest)
2276 break;
2277 else
2278 continue;
2279 }
2280
2281 no_packet_count=0;
2282 memset(no_packet, 0, sizeof(no_packet));
2283
2284 if (do_pkt_dump) {
2285 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2286 is->streams[pkt.stream_index]);
2287 }
2288 /* the following test is needed in case new streams appear
2289 dynamically in stream : we ignore them */
2290 if (pkt.stream_index >= input_files[file_index].ctx->nb_streams)
2291 goto discard_packet;
2292 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2293 ist = &input_streams[ist_index];
2294 if (ist->discard)
2295 goto discard_packet;
2296
2297 if (pkt.dts != AV_NOPTS_VALUE)
2298 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2299 if (pkt.pts != AV_NOPTS_VALUE)
2300 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2301
2302 if (ist->ts_scale) {
2303 if(pkt.pts != AV_NOPTS_VALUE)
2304 pkt.pts *= ist->ts_scale;
2305 if(pkt.dts != AV_NOPTS_VALUE)
2306 pkt.dts *= ist->ts_scale;
2307 }
2308
2309// 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);
2310 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2311 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2312 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2313 int64_t delta= pkt_dts - ist->next_pts;
2314 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2315 input_files[ist->file_index].ts_offset -= delta;
2316 if (verbose > 2)
2317 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2318 delta, input_files[ist->file_index].ts_offset);
2319 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2320 if(pkt.pts != AV_NOPTS_VALUE)
2321 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2322 }
2323 }
2324
2325 /* finish if recording time exhausted */
2326 if (recording_time != INT64_MAX &&
2327 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2328 ist->is_past_recording_time = 1;
2329 goto discard_packet;
2330 }
2331
2332 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2333 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2334
2335 if (verbose >= 0)
2336 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2337 ist->file_index, ist->st->index);
2338 if (exit_on_error)
2339 exit_program(1);
2340 av_free_packet(&pkt);
2341 goto redo;
2342 }
2343
2344 discard_packet:
2345 av_free_packet(&pkt);
2346
2347 /* dump report by using the output first video and audio streams */
2348 print_report(output_files, ost_table, nb_ostreams, 0);
2349 }
2350
2351 /* at the end of stream, we must flush the decoder buffers */
2352 for (i = 0; i < nb_input_streams; i++) {
2353 ist = &input_streams[i];
2354 if (ist->decoding_needed) {
2355 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2356 }
2357 }
2358
2359 term_exit();
2360
2361 /* write the trailer if needed and close file */
2362 for(i=0;i<nb_output_files;i++) {
2363 os = output_files[i];
2364 av_write_trailer(os);
2365 }
2366
2367 /* dump report by using the first video and audio streams */
2368 print_report(output_files, ost_table, nb_ostreams, 1);
2369
2370 /* close each encoder */
2371 for(i=0;i<nb_ostreams;i++) {
2372 ost = ost_table[i];
2373 if (ost->encoding_needed) {
2374 av_freep(&ost->st->codec->stats_in);
2375 avcodec_close(ost->st->codec);
2376 }
2377#if CONFIG_AVFILTER
2378 avfilter_graph_free(&ost->graph);
2379#endif
2380 }
2381
2382 /* close each decoder */
2383 for (i = 0; i < nb_input_streams; i++) {
2384 ist = &input_streams[i];
2385 if (ist->decoding_needed) {
2386 avcodec_close(ist->st->codec);
2387 }
2388 }
2389
2390 /* finished ! */
2391 ret = 0;
2392
2393 fail:
2394 av_freep(&bit_buffer);
2395
2396 if (ost_table) {
2397 for(i=0;i<nb_ostreams;i++) {
2398 ost = ost_table[i];
2399 if (ost) {
2400 if (ost->st->stream_copy)
2401 av_freep(&ost->st->codec->extradata);
2402 if (ost->logfile) {
2403 fclose(ost->logfile);
2404 ost->logfile = NULL;
2405 }
2406 av_fifo_free(ost->fifo); /* works even if fifo is not
2407 initialized but set to zero */
2408 av_freep(&ost->st->codec->subtitle_header);
2409 av_free(ost->pict_tmp.data[0]);
2410 av_free(ost->forced_kf_pts);
2411 if (ost->video_resample)
2412 sws_freeContext(ost->img_resample_ctx);
2413 if (ost->resample)
2414 audio_resample_close(ost->resample);
2415 if (ost->reformat_ctx)
2416 av_audio_convert_free(ost->reformat_ctx);
2417 av_dict_free(&ost->opts);
2418 av_free(ost);
2419 }
2420 }
2421 av_free(ost_table);
2422 }
2423 return ret;
2424}
2425
2426static int opt_format(const char *opt, const char *arg)
2427{
2428 last_asked_format = arg;
2429 return 0;
2430}
2431
2432static int opt_video_rc_override_string(const char *opt, const char *arg)
2433{
2434 video_rc_override_string = arg;
2435 return 0;
2436}
2437
2438static int opt_me_threshold(const char *opt, const char *arg)
2439{
2440 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2441 return 0;
2442}
2443
2444static int opt_verbose(const char *opt, const char *arg)
2445{
2446 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2447 return 0;
2448}
2449
2450static int opt_frame_rate(const char *opt, const char *arg)
2451{
2452 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2453 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2454 exit_program(1);
2455 }
2456 return 0;
2457}
2458
2459static int opt_frame_crop(const char *opt, const char *arg)
2460{
2461 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2462 return AVERROR(EINVAL);
2463}
2464
2465static int opt_frame_size(const char *opt, const char *arg)
2466{
2467 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2468 fprintf(stderr, "Incorrect frame size\n");
2469 return AVERROR(EINVAL);
2470 }
2471 return 0;
2472}
2473
2474static int opt_pad(const char *opt, const char *arg) {
2475 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2476 return -1;
2477}
2478
2479static int opt_frame_pix_fmt(const char *opt, const char *arg)
2480{
2481 if (strcmp(arg, "list")) {
2482 frame_pix_fmt = av_get_pix_fmt(arg);
2483 if (frame_pix_fmt == PIX_FMT_NONE) {
2484 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2485 return AVERROR(EINVAL);
2486 }
2487 } else {
2488 show_pix_fmts();
2489 exit_program(0);
2490 }
2491 return 0;
2492}
2493
2494static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2495{
2496 int x = 0, y = 0;
2497 double ar = 0;
2498 const char *p;
2499 char *end;
2500
2501 p = strchr(arg, ':');
2502 if (p) {
2503 x = strtol(arg, &end, 10);
2504 if (end == p)
2505 y = strtol(end+1, &end, 10);
2506 if (x > 0 && y > 0)
2507 ar = (double)x / (double)y;
2508 } else
2509 ar = strtod(arg, NULL);
2510
2511 if (!ar) {
2512 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2513 return AVERROR(EINVAL);
2514 }
2515 frame_aspect_ratio = ar;
2516 return 0;
2517}
2518
2519static int opt_metadata(const char *opt, const char *arg)
2520{
2521 char *mid= strchr(arg, '=');
2522
2523 if(!mid){
2524 fprintf(stderr, "Missing =\n");
2525 exit_program(1);
2526 }
2527 *mid++= 0;
2528
2529 av_dict_set(&metadata, arg, mid, 0);
2530
2531 return 0;
2532}
2533
2534static int opt_qscale(const char *opt, const char *arg)
2535{
2536 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2537 if (video_qscale == 0) {
2538 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2539 return AVERROR(EINVAL);
2540 }
2541 return 0;
2542}
2543
2544static int opt_top_field_first(const char *opt, const char *arg)
2545{
2546 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2547 return 0;
2548}
2549
2550static int opt_thread_count(const char *opt, const char *arg)
2551{
2552 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2553#if !HAVE_THREADS
2554 if (verbose >= 0)
2555 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2556#endif
2557 return 0;
2558}
2559
2560static int opt_audio_sample_fmt(const char *opt, const char *arg)
2561{
2562 if (strcmp(arg, "list")) {
2563 audio_sample_fmt = av_get_sample_fmt(arg);
2564 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2565 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2566 return AVERROR(EINVAL);
2567 }
2568 } else {
2569 int i;
2570 char fmt_str[128];
2571 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2572 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2573 exit_program(0);
2574 }
2575 return 0;
2576}
2577
2578static int opt_audio_rate(const char *opt, const char *arg)
2579{
2580 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2581 return 0;
2582}
2583
2584static int opt_audio_channels(const char *opt, const char *arg)
2585{
2586 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2587 return 0;
2588}
2589
92f1940e 2590static int opt_codec(const char *opt, const char *arg)
6291d7e4 2591{
92f1940e 2592 return av_dict_set(&codec_names, opt, arg, 0);
6291d7e4
AK
2593}
2594
2595static int opt_audio_codec(const char *opt, const char *arg)
2596{
92f1940e 2597 return opt_codec("codec:a", arg);
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AK
2598}
2599
2600static int opt_video_codec(const char *opt, const char *arg)
2601{
92f1940e 2602 return opt_codec("codec:v", arg);
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AK
2603}
2604
2605static int opt_subtitle_codec(const char *opt, const char *arg)
2606{
92f1940e 2607 return opt_codec("codec:s", arg);
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AK
2608}
2609
2610static int opt_data_codec(const char *opt, const char *arg)
2611{
92f1940e 2612 return opt_codec("codec:d", arg);
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AK
2613}
2614
2615static int opt_codec_tag(const char *opt, const char *arg)
2616{
2617 char *tail;
2618 uint32_t *codec_tag;
2619
2620 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2621 !strcmp(opt, "vtag") ? &video_codec_tag :
2622 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2623 if (!codec_tag)
2624 return -1;
2625
2626 *codec_tag = strtol(arg, &tail, 0);
2627 if (!tail || *tail)
2628 *codec_tag = AV_RL32(arg);
2629
2630 return 0;
2631}
2632
2633static int opt_map(const char *opt, const char *arg)
2634{
8d2e4a7e
AK
2635 StreamMap *m = NULL;
2636 int i, negative = 0, file_idx;
2637 int sync_file_idx = -1, sync_stream_idx;
2638 char *p, *sync;
2639 char *map;
6291d7e4 2640
8d2e4a7e
AK
2641 if (*arg == '-') {
2642 negative = 1;
2643 arg++;
2644 }
2645 map = av_strdup(arg);
6291d7e4 2646
8d2e4a7e
AK
2647 /* parse sync stream first, just pick first matching stream */
2648 if (sync = strchr(map, ',')) {
2649 *sync = 0;
2650 sync_file_idx = strtol(sync + 1, &sync, 0);
2651 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2652 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2653 exit_program(1);
2654 }
2655 if (*sync)
2656 sync++;
2657 for (i = 0; i < input_files[sync_file_idx].ctx->nb_streams; i++)
2658 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2659 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2660 sync_stream_idx = i;
2661 break;
2662 }
2663 if (i == input_files[sync_file_idx].ctx->nb_streams) {
2664 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2665 "match any streams.\n", arg);
2666 exit_program(1);
2667 }
2668 }
6291d7e4 2669
8d2e4a7e
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2670
2671 file_idx = strtol(map, &p, 0);
2672 if (file_idx >= nb_input_files || file_idx < 0) {
2673 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2674 exit_program(1);
6291d7e4 2675 }
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AK
2676 if (negative)
2677 /* disable some already defined maps */
2678 for (i = 0; i < nb_stream_maps; i++) {
2679 m = &stream_maps[i];
2680 if (check_stream_specifier(input_files[m->file_index].ctx,
2681 input_files[m->file_index].ctx->streams[m->stream_index],
2682 *p == ':' ? p + 1 : p) > 0)
2683 m->disabled = 1;
2684 }
2685 else
2686 for (i = 0; i < input_files[file_idx].ctx->nb_streams; i++) {
2687 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2688 *p == ':' ? p + 1 : p) <= 0)
2689 continue;
2690 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2691 m = &stream_maps[nb_stream_maps - 1];
2692
2693 m->file_index = file_idx;
2694 m->stream_index = i;
2695
2696 if (sync_file_idx >= 0) {
2697 m->sync_file_index = sync_file_idx;
2698 m->sync_stream_index = sync_stream_idx;
2699 } else {
2700 m->sync_file_index = file_idx;
2701 m->sync_stream_index = i;
2702 }
2703 }
2704
2705 if (!m) {
2706 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2707 exit_program(1);
2708 }
2709
2710 av_freep(&map);
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AK
2711 return 0;
2712}
2713
e6e6060c 2714static void parse_meta_type(char *arg, char *type, int *index)
6291d7e4 2715{
e6e6060c 2716 if (*arg == ':') {
6291d7e4
AK
2717 *type = *(++arg);
2718 switch (*arg) {
2719 case 'g':
2720 break;
2721 case 's':
2722 case 'c':
2723 case 'p':
e6e6060c
AK
2724 if (*(++arg) == ':')
2725 *index = strtol(++arg, NULL, 0);
6291d7e4
AK
2726 break;
2727 default:
2728 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2729 exit_program(1);
2730 }
2731 } else
2732 *type = 'g';
2733}
2734
2735static int opt_map_metadata(const char *opt, const char *arg)
2736{
2737 MetadataMap *m, *m1;
2738 char *p;
2739
2740 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2741 &nb_meta_data_maps, nb_meta_data_maps + 1);
2742
e6e6060c 2743 m = &meta_data_maps[nb_meta_data_maps - 1][1];
6291d7e4 2744 m->file = strtol(arg, &p, 0);
e6e6060c 2745 parse_meta_type(p, &m->type, &m->index);
6291d7e4 2746
e6e6060c
AK
2747 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2748 if (p = strchr(opt, ':'))
2749 parse_meta_type(p, &m1->type, &m1->index);
2750 else
2751 m1->type = 'g';
6291d7e4
AK
2752
2753 if (m->type == 'g' || m1->type == 'g')
2754 metadata_global_autocopy = 0;
2755 if (m->type == 's' || m1->type == 's')
2756 metadata_streams_autocopy = 0;
2757 if (m->type == 'c' || m1->type == 'c')
2758 metadata_chapters_autocopy = 0;
2759
2760 return 0;
2761}
2762
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2763static int opt_input_ts_scale(const char *opt, const char *arg)
2764{
2765 unsigned int stream;
2766 double scale;
2767 char *p;
2768
2769 stream = strtol(arg, &p, 0);
2770 if (*p)
2771 p++;
2772 scale= strtod(p, &p);
2773
2774 ts_scale = grow_array(ts_scale, sizeof(*ts_scale), &nb_ts_scale, stream + 1);
2775 ts_scale[stream] = scale;
2776 return 0;
2777}
2778
2779static int opt_recording_time(const char *opt, const char *arg)
2780{
2781 recording_time = parse_time_or_die(opt, arg, 1);
2782 return 0;
2783}
2784
2785static int opt_start_time(const char *opt, const char *arg)
2786{
2787 start_time = parse_time_or_die(opt, arg, 1);
2788 return 0;
2789}
2790
6291d7e4
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2791static int opt_input_ts_offset(const char *opt, const char *arg)
2792{
2793 input_ts_offset = parse_time_or_die(opt, arg, 1);
2794 return 0;
2795}
2796
169f0647
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2797static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2798{
2799 const char *codec_string = encoder ? "encoder" : "decoder";
2800 AVCodec *codec;
2801
2802 if(!name)
2803 return CODEC_ID_NONE;
2804 codec = encoder ?
2805 avcodec_find_encoder_by_name(name) :
2806 avcodec_find_decoder_by_name(name);
2807 if(!codec) {
2808 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2809 exit_program(1);
2810 }
2811 if(codec->type != type) {
2812 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2813 exit_program(1);
2814 }
2815 return codec->id;
2816}
2817
2818static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2819{
2820 AVDictionaryEntry *e = NULL;
2821 char *codec_name = NULL;
2822 int ret;
2823
2824 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
2825 char *p = strchr(e->key, ':');
2826
2827 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
2828 codec_name = e->value;
2829 else if (ret < 0)
2830 exit_program(1);
2831 }
2832
2833 if (!codec_name) {
4f4f3384 2834 return NULL;
169f0647
AK
2835 } else if (!strcmp(codec_name, "copy"))
2836 st->stream_copy = 1;
2837 else {
2838 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2839 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2840 avcodec_find_decoder_by_name(codec_name);
2841 }
2842
2843 return NULL;
2844}
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AK
2845
2846static int opt_input_file(const char *opt, const char *filename)
2847{
2848 AVFormatContext *ic;
2849 AVInputFormat *file_iformat = NULL;
2850 int err, i, ret, rfps, rfps_base;
2851 int64_t timestamp;
2852 uint8_t buf[128];
2853 AVDictionary **opts;
2854 int orig_nb_streams; // number of streams before avformat_find_stream_info
2855
2856 if (last_asked_format) {
2857 if (!(file_iformat = av_find_input_format(last_asked_format))) {
2858 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
2859 exit_program(1);
2860 }
2861 last_asked_format = NULL;
2862 }
2863
2864 if (!strcmp(filename, "-"))
2865 filename = "pipe:";
2866
2867 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2868 !strcmp(filename, "/dev/stdin");
2869
2870 /* get default parameters from command line */
2871 ic = avformat_alloc_context();
2872 if (!ic) {
2873 print_error(filename, AVERROR(ENOMEM));
2874 exit_program(1);
2875 }
2876 if (audio_sample_rate) {
2877 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
2878 av_dict_set(&format_opts, "sample_rate", buf, 0);
2879 }
2880 if (audio_channels) {
2881 snprintf(buf, sizeof(buf), "%d", audio_channels);
2882 av_dict_set(&format_opts, "channels", buf, 0);
2883 }
2884 if (frame_rate.num) {
2885 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
2886 av_dict_set(&format_opts, "framerate", buf, 0);
2887 }
2888 if (frame_width && frame_height) {
2889 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
2890 av_dict_set(&format_opts, "video_size", buf, 0);
2891 }
2892 if (frame_pix_fmt != PIX_FMT_NONE)
2893 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
2894
6291d7e4
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2895 ic->flags |= AVFMT_FLAG_NONBLOCK;
2896
2897 /* open the input file with generic libav function */
2898 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2899 if (err < 0) {
2900 print_error(filename, err);
2901 exit_program(1);
2902 }
2903 assert_avoptions(format_opts);
2904
2905 if(opt_programid) {
2906 int i, j;
2907 int found=0;
2908 for(i=0; i<ic->nb_streams; i++){
2909 ic->streams[i]->discard= AVDISCARD_ALL;
2910 }
2911 for(i=0; i<ic->nb_programs; i++){
2912 AVProgram *p= ic->programs[i];
2913 if(p->id != opt_programid){
2914 p->discard = AVDISCARD_ALL;
2915 }else{
2916 found=1;
2917 for(j=0; j<p->nb_stream_indexes; j++){
2918 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
2919 }
2920 }
2921 }
2922 if(!found){
2923 fprintf(stderr, "Specified program id not found\n");
2924 exit_program(1);
2925 }
2926 opt_programid=0;
2927 }
2928
92f1940e
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2929 /* apply forced codec ids */
2930 for (i = 0; i < ic->nb_streams; i++)
2931 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
2932
6291d7e4
AK
2933 /* Set AVCodecContext options for avformat_find_stream_info */
2934 opts = setup_find_stream_info_opts(ic, codec_opts);
2935 orig_nb_streams = ic->nb_streams;
2936
2937 /* If not enough info to get the stream parameters, we decode the
2938 first frames to get it. (used in mpeg case for example) */
2939 ret = avformat_find_stream_info(ic, opts);
2940 if (ret < 0 && verbose >= 0) {
2941 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2942 av_close_input_file(ic);
2943 exit_program(1);
2944 }
2945
2946 timestamp = start_time;
2947 /* add the stream start time */
2948 if (ic->start_time != AV_NOPTS_VALUE)
2949 timestamp += ic->start_time;
2950
2951 /* if seeking requested, we execute it */
2952 if (start_time != 0) {
2953 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2954 if (ret < 0) {
2955 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2956 filename, (double)timestamp / AV_TIME_BASE);
2957 }
2958 /* reset seek info */
2959 start_time = 0;
2960 }
2961
2962 /* update the current parameters so that they match the one of the input stream */
2963 for(i=0;i<ic->nb_streams;i++) {
2964 AVStream *st = ic->streams[i];
2965 AVCodecContext *dec = st->codec;
2966 InputStream *ist;
2967
2968 dec->thread_count = thread_count;
2969
2970 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2971 ist = &input_streams[nb_input_streams - 1];
2972 ist->st = st;
2973 ist->file_index = nb_input_files;
2974 ist->discard = 1;
d4863fc1 2975 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
6291d7e4
AK
2976
2977 if (i < nb_ts_scale)
2978 ist->ts_scale = ts_scale[i];
2979
92f1940e
AK
2980 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
2981
6291d7e4
AK
2982 switch (dec->codec_type) {
2983 case AVMEDIA_TYPE_AUDIO:
6291d7e4
AK
2984 if(audio_disable)
2985 st->discard= AVDISCARD_ALL;
2986 break;
2987 case AVMEDIA_TYPE_VIDEO:
6291d7e4
AK
2988 rfps = ic->streams[i]->r_frame_rate.num;
2989 rfps_base = ic->streams[i]->r_frame_rate.den;
2990 if (dec->lowres) {
2991 dec->flags |= CODEC_FLAG_EMU_EDGE;
2992 dec->height >>= dec->lowres;
2993 dec->width >>= dec->lowres;
2994 }
2995 if(me_threshold)
2996 dec->debug |= FF_DEBUG_MV;
2997
2998 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2999
3000 if (verbose >= 0)
3001 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3002 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3003
3004 (float)rfps / rfps_base, rfps, rfps_base);
3005 }
3006
3007 if(video_disable)
3008 st->discard= AVDISCARD_ALL;
3009 else if(video_discard)
3010 st->discard= video_discard;
3011 break;
3012 case AVMEDIA_TYPE_DATA:
3013 break;
3014 case AVMEDIA_TYPE_SUBTITLE:
6291d7e4
AK
3015 if(subtitle_disable)
3016 st->discard = AVDISCARD_ALL;
3017 break;
3018 case AVMEDIA_TYPE_ATTACHMENT:
3019 case AVMEDIA_TYPE_UNKNOWN:
3020 break;
3021 default:
3022 abort();
3023 }
3024 }
3025
3026 /* dump the file content */
3027 if (verbose >= 0)
3028 av_dump_format(ic, nb_input_files, filename, 0);
3029
3030 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3031 input_files[nb_input_files - 1].ctx = ic;
3032 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3033 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3034
3035 frame_rate = (AVRational){0, 0};
3036 frame_pix_fmt = PIX_FMT_NONE;
3037 frame_height = 0;
3038 frame_width = 0;
3039 audio_sample_rate = 0;
3040 audio_channels = 0;
3041 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3042 av_freep(&ts_scale);
3043 nb_ts_scale = 0;
3044
3045 for (i = 0; i < orig_nb_streams; i++)
3046 av_dict_free(&opts[i]);
3047 av_freep(&opts);
92f1940e 3048 av_dict_free(&codec_names);
6291d7e4
AK
3049 uninit_opts();
3050 init_opts();
3051 return 0;
3052}
3053
f233cfed
AK
3054static void parse_forced_key_frames(char *kf, OutputStream *ost,
3055 AVCodecContext *avctx)
3056{
3057 char *p;
3058 int n = 1, i;
3059 int64_t t;
3060
3061 for (p = kf; *p; p++)
3062 if (*p == ',')
3063 n++;
3064 ost->forced_kf_count = n;
3065 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3066 if (!ost->forced_kf_pts) {
3067 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3068 exit_program(1);
3069 }
3070 for (i = 0; i < n; i++) {
3071 p = i ? strchr(p, ',') + 1 : kf;
3072 t = parse_time_or_die("force_key_frames", p, 1);
3073 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3074 }
3075}
3076
4f4f3384 3077static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type, int source_idx)
169f0647
AK
3078{
3079 OutputStream *ost;
3080 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3081 int idx = oc->nb_streams - 1;
3082
3083 if (!st) {
3084 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3085 exit_program(1);
3086 }
3087
40fc2810
AK
3088 output_streams_for_file[nb_output_files] =
3089 grow_array(output_streams_for_file[nb_output_files],
3090 sizeof(*output_streams_for_file[nb_output_files]),
3091 &nb_output_streams_for_file[nb_output_files],
169f0647 3092 oc->nb_streams);
40fc2810 3093 ost = output_streams_for_file[nb_output_files][idx] =
169f0647
AK
3094 av_mallocz(sizeof(OutputStream));
3095 if (!ost) {
3096 fprintf(stderr, "Could not alloc output stream\n");
3097 exit_program(1);
3098 }
40fc2810 3099 ost->file_index = nb_output_files;
169f0647
AK
3100 ost->index = idx;
3101 ost->st = st;
3102 st->codec->codec_type = type;
3103 ost->enc = choose_codec(oc, st, type, codec_names);
4f4f3384
AK
3104 if (!ost->enc) {
3105 /* no codec specified, try copy if possible or fallback to format default */
3106 if (source_idx >= 0 && avformat_query_codec(oc->oformat, input_streams[source_idx].st->codec->codec_id,
3107 FF_COMPLIANCE_NORMAL) == 1) {
3108 st->codec->codec_id = input_streams[source_idx].st->codec->codec_id;
3109 st->stream_copy = 1;
3110 } else {
3111 st->codec->codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, type);
3112 ost->enc = avcodec_find_encoder(st->codec->codec_id);
3113 }
3114 }
3115
169f0647
AK
3116 if (ost->enc) {
3117 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3118 }
3119
3120 avcodec_get_context_defaults3(st->codec, ost->enc);
3121 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3122
3123 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3124 return ost;
3125}
3126
4f4f3384 3127static OutputStream *new_video_stream(AVFormatContext *oc, int source_idx)
6291d7e4
AK
3128{
3129 AVStream *st;
3130 OutputStream *ost;
3131 AVCodecContext *video_enc;
6291d7e4 3132
4f4f3384 3133 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO, source_idx);
6291d7e4 3134 st = ost->st;
92f1940e 3135 if (!st->stream_copy) {
6291d7e4
AK
3136 ost->frame_aspect_ratio = frame_aspect_ratio;
3137 frame_aspect_ratio = 0;
3138#if CONFIG_AVFILTER
3139 ost->avfilter= vfilters;
3140 vfilters = NULL;
3141#endif
3142 }
3143
3144 ost->bitstream_filters = video_bitstream_filters;
3145 video_bitstream_filters= NULL;
3146
3147 st->codec->thread_count= thread_count;
3148
3149 video_enc = st->codec;
3150
3151 if(video_codec_tag)
3152 video_enc->codec_tag= video_codec_tag;
3153
3154 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3155 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3156 }
3157
92f1940e 3158 if (st->stream_copy) {
6291d7e4
AK
3159 video_enc->sample_aspect_ratio =
3160 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3161 } else {
3162 const char *p;
3163 int i;
3164
3165 if (frame_rate.num)
3166 ost->frame_rate = frame_rate;
6291d7e4
AK
3167
3168 video_enc->width = frame_width;
3169 video_enc->height = frame_height;
3170 video_enc->pix_fmt = frame_pix_fmt;
3171 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3172
3173 if (intra_only)
3174 video_enc->gop_size = 0;
f4ad238c 3175 if (video_qscale || same_quant) {
6291d7e4
AK
3176 video_enc->flags |= CODEC_FLAG_QSCALE;
3177 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3178 }
3179
3180 if(intra_matrix)
3181 video_enc->intra_matrix = intra_matrix;
3182 if(inter_matrix)
3183 video_enc->inter_matrix = inter_matrix;
3184
3185 p= video_rc_override_string;
3186 for(i=0; p; i++){
3187 int start, end, q;
3188 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3189 if(e!=3){
3190 fprintf(stderr, "error parsing rc_override\n");
3191 exit_program(1);
3192 }
3193 video_enc->rc_override=
3194 av_realloc(video_enc->rc_override,
3195 sizeof(RcOverride)*(i+1));
3196 video_enc->rc_override[i].start_frame= start;
3197 video_enc->rc_override[i].end_frame = end;
3198 if(q>0){
3199 video_enc->rc_override[i].qscale= q;
3200 video_enc->rc_override[i].quality_factor= 1.0;
3201 }
3202 else{
3203 video_enc->rc_override[i].qscale= 0;
3204 video_enc->rc_override[i].quality_factor= -q/100.0;
3205 }
3206 p= strchr(p, '/');
3207 if(p) p++;
3208 }
3209 video_enc->rc_override_count=i;
3210 if (!video_enc->rc_initial_buffer_occupancy)
3211 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3212 video_enc->me_threshold= me_threshold;
3213 video_enc->intra_dc_precision= intra_dc_precision - 8;
3214
3215 if (do_psnr)
3216 video_enc->flags|= CODEC_FLAG_PSNR;
3217
3218 /* two pass mode */
3219 if (do_pass) {
3220 if (do_pass == 1) {
3221 video_enc->flags |= CODEC_FLAG_PASS1;
3222 } else {
3223 video_enc->flags |= CODEC_FLAG_PASS2;
3224 }
3225 }
3226
3227 if (forced_key_frames)
3228 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3229 }
3230 if (video_language) {
3231 av_dict_set(&st->metadata, "language", video_language, 0);
3232 av_freep(&video_language);
3233 }
3234
3235 /* reset some key parameters */
3236 video_disable = 0;
6291d7e4 3237 av_freep(&forced_key_frames);
6291d7e4 3238 frame_pix_fmt = PIX_FMT_NONE;
3d4f0dab 3239 return ost;
6291d7e4
AK
3240}
3241
4f4f3384 3242static OutputStream *new_audio_stream(AVFormatContext *oc, int source_idx)
6291d7e4
AK
3243{
3244 AVStream *st;
3245 OutputStream *ost;
6291d7e4 3246 AVCodecContext *audio_enc;
6291d7e4 3247
4f4f3384 3248 ost = new_output_stream(oc, AVMEDIA_TYPE_AUDIO, source_idx);
6291d7e4
AK
3249 st = ost->st;
3250
3251 ost->bitstream_filters = audio_bitstream_filters;
3252 audio_bitstream_filters= NULL;
3253
3254 st->codec->thread_count= thread_count;
3255
3256 audio_enc = st->codec;
3257 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3258
3259 if(audio_codec_tag)
3260 audio_enc->codec_tag= audio_codec_tag;
3261
3262 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3263 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3264 }
92f1940e 3265 if (!st->stream_copy) {
6291d7e4
AK
3266 if (audio_qscale > QSCALE_NONE) {
3267 audio_enc->flags |= CODEC_FLAG_QSCALE;
3268 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3269 }
3270 if (audio_channels)
3271 audio_enc->channels = audio_channels;
3272 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3273 audio_enc->sample_fmt = audio_sample_fmt;
3274 if (audio_sample_rate)
3275 audio_enc->sample_rate = audio_sample_rate;
3276 }
3277 if (audio_language) {
3278 av_dict_set(&st->metadata, "language", audio_language, 0);
3279 av_freep(&audio_language);
3280 }
3281
3282 /* reset some key parameters */
3283 audio_disable = 0;
3d4f0dab
AK
3284
3285 return ost;
6291d7e4
AK
3286}
3287
4f4f3384 3288static OutputStream *new_data_stream(AVFormatContext *oc, int source_idx)
6291d7e4
AK
3289{
3290 AVStream *st;
3291 OutputStream *ost;
3292 AVCodecContext *data_enc;
3293
4f4f3384 3294 ost = new_output_stream(oc, AVMEDIA_TYPE_DATA, source_idx);
6291d7e4
AK
3295 st = ost->st;
3296 data_enc = st->codec;
92f1940e 3297 if (!st->stream_copy) {
6291d7e4
AK
3298 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3299 exit_program(1);
3300 }
3301
6291d7e4
AK
3302 if (data_codec_tag)
3303 data_enc->codec_tag= data_codec_tag;
3304
3305 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3306 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3307 }
6291d7e4
AK
3308
3309 data_disable = 0;
3d4f0dab 3310 return ost;
6291d7e4
AK
3311}
3312
4f4f3384 3313static OutputStream *new_subtitle_stream(AVFormatContext *oc, int source_idx)
6291d7e4
AK
3314{
3315 AVStream *st;
3316 OutputStream *ost;
6291d7e4 3317 AVCodecContext *subtitle_enc;
6291d7e4 3318
4f4f3384 3319 ost = new_output_stream(oc, AVMEDIA_TYPE_SUBTITLE, source_idx);
6291d7e4
AK
3320 st = ost->st;
3321 subtitle_enc = st->codec;
3322
3323 ost->bitstream_filters = subtitle_bitstream_filters;
3324 subtitle_bitstream_filters= NULL;
3325
3326 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3327
3328 if(subtitle_codec_tag)
3329 subtitle_enc->codec_tag= subtitle_codec_tag;
3330
3331 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3332 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3333 }
6291d7e4
AK
3334
3335 if (subtitle_language) {
3336 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3337 av_freep(&subtitle_language);
3338 }
3339
3340 subtitle_disable = 0;
3d4f0dab 3341 return ost;
6291d7e4
AK
3342}
3343
3344/* arg format is "output-stream-index:streamid-value". */
3345static int opt_streamid(const char *opt, const char *arg)
3346{
3347 int idx;
3348 char *p;
3349 char idx_str[16];
3350
3351 av_strlcpy(idx_str, arg, sizeof(idx_str));
3352 p = strchr(idx_str, ':');
3353 if (!p) {
3354 fprintf(stderr,
3355 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3356 arg, opt);
3357 exit_program(1);
3358 }
3359 *p++ = '\0';
3360 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3361 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3362 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3363 return 0;
3364}
3365
86530f41
AK
3366static int copy_chapters(int infile, int outfile)
3367{
3368 AVFormatContext *is = input_files[infile].ctx;
3369 AVFormatContext *os = output_files[outfile];
3370 int i;
3371
3372 for (i = 0; i < is->nb_chapters; i++) {
3373 AVChapter *in_ch = is->chapters[i], *out_ch;
3374 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
3375 AV_TIME_BASE_Q, in_ch->time_base);
3376 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
3377 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3378
3379
3380 if (in_ch->end < ts_off)
3381 continue;
3382 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3383 break;
3384
3385 out_ch = av_mallocz(sizeof(AVChapter));
3386 if (!out_ch)
3387 return AVERROR(ENOMEM);
3388
3389 out_ch->id = in_ch->id;
3390 out_ch->time_base = in_ch->time_base;
3391 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3392 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3393
3394 if (metadata_chapters_autocopy)
3395 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3396
3397 os->nb_chapters++;
3398 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3399 if (!os->chapters)
3400 return AVERROR(ENOMEM);
3401 os->chapters[os->nb_chapters - 1] = out_ch;
3402 }
3403 return 0;
3404}
3405
169f0647
AK
3406static int read_avserver_streams(AVFormatContext *s, const char *filename)
3407{
3408 int i, err;
3409 AVFormatContext *ic = NULL;
169f0647
AK
3410
3411 err = avformat_open_input(&ic, filename, NULL, NULL);
3412 if (err < 0)
3413 return err;
3414 /* copy stream format */
3415 for(i=0;i<ic->nb_streams;i++) {
3416 AVStream *st;
3417 OutputStream *ost;
3418 AVCodec *codec;
3419
3420 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
4f4f3384 3421 ost = new_output_stream(s, codec->type, -1);
169f0647
AK
3422 st = ost->st;
3423
3424 // FIXME: a more elegant solution is needed
3425 memcpy(st, ic->streams[i], sizeof(AVStream));
3426 st->info = NULL;
3427 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3428
3429 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3430 choose_sample_fmt(st, codec);
3431 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3432 choose_pixel_fmt(st, codec);
169f0647
AK
3433 }
3434
3435 av_close_input_file(ic);
3436 return 0;
3437}
3438
6291d7e4
AK
3439static void opt_output_file(const char *filename)
3440{
3441 AVFormatContext *oc;
3d4f0dab 3442 int i, err;
6291d7e4 3443 AVOutputFormat *file_oformat;
3d4f0dab
AK
3444 OutputStream *ost;
3445 InputStream *ist;
6291d7e4
AK
3446
3447 if (!strcmp(filename, "-"))
3448 filename = "pipe:";
3449
3450 oc = avformat_alloc_context();
3451 if (!oc) {
3452 print_error(filename, AVERROR(ENOMEM));
3453 exit_program(1);
3454 }
3455
3456 if (last_asked_format) {
3457 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3458 if (!file_oformat) {
3459 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3460 exit_program(1);
3461 }
3462 last_asked_format = NULL;
3463 } else {
3464 file_oformat = av_guess_format(NULL, filename, NULL);
3465 if (!file_oformat) {
3466 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3467 filename);
3468 exit_program(1);
3469 }
3470 }
3471
3472 oc->oformat = file_oformat;
3473 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3474
3475 if (!strcmp(file_oformat->name, "ffm") &&
3476 av_strstart(filename, "http:", NULL)) {
3477 /* special case for files sent to avserver: we get the stream
3478 parameters from avserver */
3479 int err = read_avserver_streams(oc, filename);
3480 if (err < 0) {
3481 print_error(filename, err);
3482 exit_program(1);
3483 }
3d4f0dab
AK
3484 } else if (!nb_stream_maps) {
3485 /* pick the "best" stream of each type */
3486#define NEW_STREAM(type, index)\
3487 if (index >= 0) {\
4f4f3384 3488 ost = new_ ## type ## _stream(oc, index);\
3d4f0dab
AK
3489 ost->source_index = index;\
3490 ost->sync_ist = &input_streams[index];\
3491 input_streams[index].discard = 0;\
3492 }
3493
3494 /* video: highest resolution */
3495 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3496 int area = 0, idx = -1;
3497 for (i = 0; i < nb_input_streams; i++) {
3498 ist = &input_streams[i];
3499 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3500 ist->st->codec->width * ist->st->codec->height > area) {
3501 area = ist->st->codec->width * ist->st->codec->height;
3502 idx = i;
3503 }
3504 }
3505 NEW_STREAM(video, idx);
3506 }
3507
3508 /* audio: most channels */
3509 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3510 int channels = 0, idx = -1;
3511 for (i = 0; i < nb_input_streams; i++) {
3512 ist = &input_streams[i];
3513 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3514 ist->st->codec->channels > channels) {
3515 channels = ist->st->codec->channels;
3516 idx = i;
3517 }
3518 }
3519 NEW_STREAM(audio, idx);
3520 }
3521
3522 /* subtitles: pick first */
3523 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3524 for (i = 0; i < nb_input_streams; i++)
3525 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3526 NEW_STREAM(subtitle, i);
3527 break;
3528 }
3529 }
3530 /* do something with data? */
6291d7e4 3531 } else {
3d4f0dab
AK
3532 for (i = 0; i < nb_stream_maps; i++) {
3533 StreamMap *map = &stream_maps[i];
4f4f3384 3534 int source_idx = input_files[map->file_index].ist_index + map->stream_index;
3d4f0dab 3535
8d2e4a7e
AK
3536 if (map->disabled)
3537 continue;
3d4f0dab 3538
4f4f3384 3539 ist = &input_streams[source_idx];
3d4f0dab 3540 switch (ist->st->codec->codec_type) {
4f4f3384
AK
3541 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc, source_idx); break;
3542 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc, source_idx); break;
3543 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc, source_idx); break;
3544 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc, source_idx); break;
3d4f0dab
AK
3545 default:
3546 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3547 map->file_index, map->stream_index);
3548 exit_program(1);
3549 }
3550
4f4f3384 3551 ost->source_index = source_idx;
3d4f0dab
AK
3552 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3553 map->sync_stream_index];
3554 ist->discard = 0;
3555 }
6291d7e4
AK
3556 }
3557
3d4f0dab
AK
3558 av_dict_copy(&oc->metadata, metadata, 0);
3559 av_dict_free(&metadata);
3560
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3561 av_dict_copy(&output_opts[nb_output_files], format_opts, 0);
3562 output_files[nb_output_files++] = oc;
3563
3564 /* check filename in case of an image number is expected */
3565 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3566 if (!av_filename_number_test(oc->filename)) {
3567 print_error(oc->filename, AVERROR(EINVAL));
3568 exit_program(1);
3569 }
3570 }
3571
3572 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3573 /* test if it already exists to avoid loosing precious files */
3574 if (!file_overwrite &&
3575 (strchr(filename, ':') == NULL ||
3576 filename[1] == ':' ||
3577 av_strstart(filename, "file:", NULL))) {
3578 if (avio_check(filename, 0) == 0) {
3579 if (!using_stdin) {
3580 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3581 fflush(stderr);
3582 if (!read_yesno()) {
3583 fprintf(stderr, "Not overwriting - exiting\n");
3584 exit_program(1);
3585 }
3586 }
3587 else {
3588 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3589 exit_program(1);
3590 }
3591 }
3592 }
3593
3594 /* open the file */
3595 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3596 print_error(filename, err);
3597 exit_program(1);
3598 }
3599 }
3600
3601 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3602 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
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3603 oc->flags |= AVFMT_FLAG_NONBLOCK;
3604
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3605 /* copy chapters */
3606 if (chapters_input_file >= nb_input_files) {
3607 if (chapters_input_file == INT_MAX) {
3608 /* copy chapters from the first input file that has them*/
3609 chapters_input_file = -1;
3610 for (i = 0; i < nb_input_files; i++)
3611 if (input_files[i].ctx->nb_chapters) {
3612 chapters_input_file = i;
3613 break;
3614 }
3615 } else {
3616 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3617 chapters_input_file);
3618 exit_program(1);
3619 }
3620 }
3621 if (chapters_input_file >= 0)
3622 copy_chapters(chapters_input_file, nb_output_files - 1);
3623
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3624 /* copy metadata */
3625 for (i = 0; i < nb_meta_data_maps; i++) {
3626 AVFormatContext *files[2];
3627 AVDictionary **meta[2];
3628 int j;
3629
3630#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3631 if ((index) < 0 || (index) >= (nb_elems)) {\
3632 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3633 (desc), (index));\
3634 exit_program(1);\
3635 }
3636
3637 int in_file_index = meta_data_maps[i][1].file;
3638 if (in_file_index < 0)
3639 continue;
3640 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3641
3642 files[0] = oc;
3643 files[1] = input_files[in_file_index].ctx;
3644
3645 for (j = 0; j < 2; j++) {
3646 MetadataMap *map = &meta_data_maps[i][j];
3647
3648 switch (map->type) {
3649 case 'g':
3650 meta[j] = &files[j]->metadata;
3651 break;
3652 case 's':
3653 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3654 meta[j] = &files[j]->streams[map->index]->metadata;
3655 break;
3656 case 'c':
3657 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3658 meta[j] = &files[j]->chapters[map->index]->metadata;
3659 break;
3660 case 'p':
3661 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3662 meta[j] = &files[j]->programs[map->index]->metadata;
3663 break;
3664 }
3665 }
3666
3667 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3668 }
3669
3670 /* copy global metadata by default */
5759cce7 3671 if (metadata_global_autocopy && nb_input_files)
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3672 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3673 AV_DICT_DONT_OVERWRITE);
3674 if (metadata_streams_autocopy)
3675 for (i = 0; i < oc->nb_streams; i++) {
3676 InputStream *ist = &input_streams[output_streams_for_file[nb_output_files-1][i]->source_index];
3677 av_dict_copy(&oc->streams[i]->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3678 }
3679
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3680 frame_rate = (AVRational){0, 0};
3681 frame_width = 0;
3682 frame_height = 0;
3683 audio_sample_rate = 0;
3684 audio_channels = 0;
3685 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
b9aac90b 3686 chapters_input_file = INT_MAX;
6291d7e4 3687
e6e6060c
AK
3688 av_freep(&meta_data_maps);
3689 nb_meta_data_maps = 0;
3690 metadata_global_autocopy = 1;
3691 metadata_streams_autocopy = 1;
3692 metadata_chapters_autocopy = 1;
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3693 av_freep(&stream_maps);
3694 nb_stream_maps = 0;
e6e6060c 3695
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3696 av_dict_free(&codec_names);
3697
6291d7e4
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3698 av_freep(&forced_key_frames);
3699 uninit_opts();
3700 init_opts();
3701}
3702
3703/* same option as mencoder */
3704static int opt_pass(const char *opt, const char *arg)
3705{
3706 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3707 return 0;
3708}
3709
3710static int64_t getutime(void)
3711{
3712#if HAVE_GETRUSAGE
3713 struct rusage rusage;
3714
3715 getrusage(RUSAGE_SELF, &rusage);
3716 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3717#elif HAVE_GETPROCESSTIMES
3718 HANDLE proc;
3719 FILETIME c, e, k, u;
3720 proc = GetCurrentProcess();
3721 GetProcessTimes(proc, &c, &e, &k, &u);
3722 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3723#else
3724 return av_gettime();
3725#endif
3726}
3727
3728static int64_t getmaxrss(void)
3729{
3730#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3731 struct rusage rusage;
3732 getrusage(RUSAGE_SELF, &rusage);
3733 return (int64_t)rusage.ru_maxrss * 1024;
3734#elif HAVE_GETPROCESSMEMORYINFO
3735 HANDLE proc;
3736 PROCESS_MEMORY_COUNTERS memcounters;
3737 proc = GetCurrentProcess();
3738 memcounters.cb = sizeof(memcounters);
3739 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3740 return memcounters.PeakPagefileUsage;
3741#else
3742 return 0;
3743#endif
3744}
3745
3746static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3747{
3748 int i;
3749 const char *p = str;
3750 for(i = 0;; i++) {
3751 dest[i] = atoi(p);
3752 if(i == 63)
3753 break;
3754 p = strchr(p, ',');
3755 if(!p) {
3756 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3757 exit_program(1);
3758 }
3759 p++;
3760 }
3761}
3762
3763static void opt_inter_matrix(const char *arg)
3764{
3765 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3766 parse_matrix_coeffs(inter_matrix, arg);
3767}
3768
3769static void opt_intra_matrix(const char *arg)
3770{
3771 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3772 parse_matrix_coeffs(intra_matrix, arg);
3773}
3774
3775static void show_usage(void)
3776{
3777 printf("Hyper fast Audio and Video encoder\n");
3778 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3779 printf("\n");
3780}
3781
3782static void show_help(void)
3783{
3784 AVCodec *c;
3785 AVOutputFormat *oformat = NULL;
3786 AVInputFormat *iformat = NULL;
3787
3788 av_log_set_callback(log_callback_help);
3789 show_usage();
3790 show_help_options(options, "Main options:\n",
3791 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3792 show_help_options(options, "\nAdvanced options:\n",
3793 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3794 OPT_EXPERT);
3795 show_help_options(options, "\nVideo options:\n",
3796 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3797 OPT_VIDEO);
3798 show_help_options(options, "\nAdvanced Video options:\n",
3799 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3800 OPT_VIDEO | OPT_EXPERT);
3801 show_help_options(options, "\nAudio options:\n",
3802 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3803 OPT_AUDIO);
3804 show_help_options(options, "\nAdvanced Audio options:\n",
3805 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3806 OPT_AUDIO | OPT_EXPERT);
3807 show_help_options(options, "\nSubtitle options:\n",
3808 OPT_SUBTITLE | OPT_GRAB,
3809 OPT_SUBTITLE);
3810 show_help_options(options, "\nAudio/Video grab options:\n",
3811 OPT_GRAB,
3812 OPT_GRAB);
3813 printf("\n");
3814 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3815 printf("\n");
3816
3817 /* individual codec options */
3818 c = NULL;
3819 while ((c = av_codec_next(c))) {
3820 if (c->priv_class) {
3821 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3822 printf("\n");
3823 }
3824 }
3825
3826 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3827 printf("\n");
3828
3829 /* individual muxer options */
3830 while ((oformat = av_oformat_next(oformat))) {
3831 if (oformat->priv_class) {
3832 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3833 printf("\n");
3834 }
3835 }
3836
3837 /* individual demuxer options */
3838 while ((iformat = av_iformat_next(iformat))) {
3839 if (iformat->priv_class) {
3840 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3841 printf("\n");
3842 }
3843 }
3844
3845 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3846}
3847
3848static int opt_target(const char *opt, const char *arg)
3849{
3850 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3851 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3852
3853 if(!strncmp(arg, "pal-", 4)) {
3854 norm = PAL;
3855 arg += 4;
3856 } else if(!strncmp(arg, "ntsc-", 5)) {
3857 norm = NTSC;
3858 arg += 5;
3859 } else if(!strncmp(arg, "film-", 5)) {
3860 norm = FILM;
3861 arg += 5;
3862 } else {
3863 int fr;
3864 /* Calculate FR via float to avoid int overflow */
3865 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3866 if(fr == 25000) {
3867 norm = PAL;
3868 } else if((fr == 29970) || (fr == 23976)) {
3869 norm = NTSC;
3870 } else {
3871 /* Try to determine PAL/NTSC by peeking in the input files */
3872 if(nb_input_files) {
3873 int i, j;
3874 for (j = 0; j < nb_input_files; j++) {
3875 for (i = 0; i < input_files[j].ctx->nb_streams; i++) {
3876 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3877 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3878 continue;
3879 fr = c->time_base.den * 1000 / c->time_base.num;
3880 if(fr == 25000) {
3881 norm = PAL;
3882 break;
3883 } else if((fr == 29970) || (fr == 23976)) {
3884 norm = NTSC;
3885 break;
3886 }
3887 }
3888 if(norm != UNKNOWN)
3889 break;
3890 }
3891 }
3892 }
3893 if(verbose > 0 && norm != UNKNOWN)
3894 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3895 }
3896
3897 if(norm == UNKNOWN) {
3898 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3899 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3900 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3901 exit_program(1);
3902 }
3903
3904 if(!strcmp(arg, "vcd")) {
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3905 opt_codec("c:v", "mpeg1video");
3906 opt_codec("c:a", "mp2");
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3907 opt_format("f", "vcd");
3908
3909 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
3910 opt_frame_rate("r", frame_rates[norm]);
3911 opt_default("g", norm == PAL ? "15" : "18");
3912
3913 opt_default("b", "1150000");
3914 opt_default("maxrate", "1150000");
3915 opt_default("minrate", "1150000");
3916 opt_default("bufsize", "327680"); // 40*1024*8;
3917
64db1a82 3918 opt_default("b:a", "224000");
6291d7e4
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3919 audio_sample_rate = 44100;
3920 audio_channels = 2;
3921
3922 opt_default("packetsize", "2324");
3923 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3924
3925 /* We have to offset the PTS, so that it is consistent with the SCR.
3926 SCR starts at 36000, but the first two packs contain only padding
3927 and the first pack from the other stream, respectively, may also have
3928 been written before.
3929 So the real data starts at SCR 36000+3*1200. */
3930 mux_preload= (36000+3*1200) / 90000.0; //0.44
3931 } else if(!strcmp(arg, "svcd")) {
3932
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3933 opt_codec("c:v", "mpeg2video");
3934 opt_codec("c:a", "mp2");
6291d7e4
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3935 opt_format("f", "svcd");
3936
3937 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
3938 opt_frame_rate("r", frame_rates[norm]);
3939 opt_default("g", norm == PAL ? "15" : "18");
3940
3941 opt_default("b", "2040000");
3942 opt_default("maxrate", "2516000");
3943 opt_default("minrate", "0"); //1145000;
3944 opt_default("bufsize", "1835008"); //224*1024*8;
3945 opt_default("flags", "+scan_offset");
3946
3947
64db1a82 3948 opt_default("b:a", "224000");
6291d7e4
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3949 audio_sample_rate = 44100;
3950
3951 opt_default("packetsize", "2324");
3952
3953 } else if(!strcmp(arg, "dvd")) {
3954
92f1940e
AK
3955 opt_codec("c:v", "mpeg2video");
3956 opt_codec("c:a", "ac3");
6291d7e4
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3957 opt_format("f", "dvd");
3958
3959 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
3960 opt_frame_rate("r", frame_rates[norm]);
3961 opt_default("g", norm == PAL ? "15" : "18");
3962
3963 opt_default("b", "6000000");
3964 opt_default("maxrate", "9000000");
3965 opt_default("minrate", "0"); //1500000;
3966 opt_default("bufsize", "1835008"); //224*1024*8;
3967
3968 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3969 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3970
64db1a82 3971 opt_default("b:a", "448000");
6291d7e4
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3972 audio_sample_rate = 48000;
3973
3974 } else if(!strncmp(arg, "dv", 2)) {
3975
3976 opt_format("f", "dv");
3977
3978 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
3979 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
3980 norm == PAL ? "yuv420p" : "yuv411p");
3981 opt_frame_rate("r", frame_rates[norm]);
3982
3983 audio_sample_rate = 48000;
3984 audio_channels = 2;
3985
3986 } else {
3987 fprintf(stderr, "Unknown target: %s\n", arg);
3988 return AVERROR(EINVAL);
3989 }
3990 return 0;
3991}
3992
3993static int opt_vstats_file(const char *opt, const char *arg)
3994{
3995 av_free (vstats_filename);
3996 vstats_filename=av_strdup (arg);
3997 return 0;
3998}
3999
4000static int opt_vstats(const char *opt, const char *arg)
4001{
4002 char filename[40];
4003 time_t today2 = time(NULL);
4004 struct tm *today = localtime(&today2);
4005
4006 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4007 today->tm_sec);
4008 return opt_vstats_file(opt, filename);
4009}
4010
4011static int opt_bsf(const char *opt, const char *arg)
4012{
4013 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4014 AVBitStreamFilterContext **bsfp;
4015
4016 if(!bsfc){
4017 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4018 exit_program(1);
4019 }
4020
4021 bsfp= *opt == 'v' ? &video_bitstream_filters :
4022 *opt == 'a' ? &audio_bitstream_filters :
4023 &subtitle_bitstream_filters;
4024 while(*bsfp)
4025 bsfp= &(*bsfp)->next;
4026
4027 *bsfp= bsfc;
4028
4029 return 0;
4030}
4031
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4032static const OptionDef options[] = {
4033 /* main options */
4034#include "cmdutils_common_opts.h"
4035 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4036 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4037 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
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4038 { "c", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4039 { "codec", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
6291d7e4 4040 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
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4041 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4042 "outfile[,metadata]:infile[,metadata]" },
b9aac90b 4043 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
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4044 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4045 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4046 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4047 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4048 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
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4049 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4050 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4051 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4052 "add timings for benchmarking" },
4053 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4054 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4055 "dump each input packet" },
4056 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4057 "when dumping packets, also dump the payload" },
4058 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
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4059 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4060 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4061 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4062 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4063 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4064 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4065 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)&copy_ts}, "copy timestamps" },
4066 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)&copy_tb}, "copy input stream time base when stream copying" },
4067 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4068 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4069 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4070 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4071 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)&copy_initial_nonkeyframes}, "copy initial non-keyframes" },
4072
4073 /* video options */
4074 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4075 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4076 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4077 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4078 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format, 'list' as argument shows all the pixel formats supported", "format" },
4079 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4080 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4081 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4082 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4083 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4084 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4085 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4086 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4087 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4088 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4089 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4090 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4091 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },