avconv: remove presets.
[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
113/* first item specifies output metadata, second is input */
114static MetadataMap (*meta_data_maps)[2] = NULL;
115static int nb_meta_data_maps;
116static int metadata_global_autocopy = 1;
117static int metadata_streams_autocopy = 1;
118static int metadata_chapters_autocopy = 1;
119
b9aac90b 120static int chapters_input_file = INT_MAX;
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121
122/* indexed by output file stream index */
123static int *streamid_map = NULL;
124static int nb_streamid_map = 0;
125
126static int frame_width = 0;
127static int frame_height = 0;
128static float frame_aspect_ratio = 0;
129static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
130static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
131static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
132static AVRational frame_rate;
133static float video_qscale = 0;
134static uint16_t *intra_matrix = NULL;
135static uint16_t *inter_matrix = NULL;
136static const char *video_rc_override_string=NULL;
137static int video_disable = 0;
138static int video_discard = 0;
139static char *video_codec_name = NULL;
140static unsigned int video_codec_tag = 0;
141static char *video_language = NULL;
142static int same_quality = 0;
143static int do_deinterlace = 0;
144static int top_field_first = -1;
145static int me_threshold = 0;
146static int intra_dc_precision = 8;
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147static int qp_hist = 0;
148#if CONFIG_AVFILTER
149static char *vfilters = NULL;
150#endif
151
152static int intra_only = 0;
153static int audio_sample_rate = 0;
154#define QSCALE_NONE -99999
155static float audio_qscale = QSCALE_NONE;
156static int audio_disable = 0;
157static int audio_channels = 0;
158static char *audio_codec_name = NULL;
159static unsigned int audio_codec_tag = 0;
160static char *audio_language = NULL;
161
162static int subtitle_disable = 0;
163static char *subtitle_codec_name = NULL;
164static char *subtitle_language = NULL;
165static unsigned int subtitle_codec_tag = 0;
166
167static int data_disable = 0;
168static char *data_codec_name = NULL;
169static unsigned int data_codec_tag = 0;
170
171static float mux_preload= 0.5;
172static float mux_max_delay= 0.7;
173
174static int64_t recording_time = INT64_MAX;
175static int64_t start_time = 0;
176static int64_t input_ts_offset = 0;
177static int file_overwrite = 0;
178static AVDictionary *metadata;
179static int do_benchmark = 0;
180static int do_hex_dump = 0;
181static int do_pkt_dump = 0;
182static int do_psnr = 0;
183static int do_pass = 0;
184static char *pass_logfilename_prefix = NULL;
185static int audio_stream_copy = 0;
186static int video_stream_copy = 0;
187static int subtitle_stream_copy = 0;
188static int data_stream_copy = 0;
189static int video_sync_method= -1;
190static int audio_sync_method= 0;
191static float audio_drift_threshold= 0.1;
192static int copy_ts= 0;
193static int copy_tb;
194static int opt_shortest = 0;
195static char *vstats_filename;
196static FILE *vstats_file;
197static int opt_programid = 0;
198static int copy_initial_nonkeyframes = 0;
199
200static int rate_emu = 0;
201
202static int audio_volume = 256;
203
204static int exit_on_error = 0;
205static int using_stdin = 0;
206static int verbose = 1;
207static int thread_count= 1;
208static int64_t video_size = 0;
209static int64_t audio_size = 0;
210static int64_t extra_size = 0;
211static int nb_frames_dup = 0;
212static int nb_frames_drop = 0;
213static int input_sync;
214static uint64_t limit_filesize = 0;
215static int force_fps = 0;
216static char *forced_key_frames = NULL;
217
218static float dts_delta_threshold = 10;
219
220static int64_t timer_start;
221
222static uint8_t *audio_buf;
223static uint8_t *audio_out;
224static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
225
226static short *samples;
227
228static AVBitStreamFilterContext *video_bitstream_filters=NULL;
229static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
230static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
231
232#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
233
234struct InputStream;
235
236typedef struct OutputStream {
237 int file_index; /* file index */
238 int index; /* stream index in the output file */
239 int source_index; /* InputStream index */
240 AVStream *st; /* stream in the output file */
241 int encoding_needed; /* true if encoding needed for this stream */
242 int frame_number;
243 /* input pts and corresponding output pts
244 for A/V sync */
245 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
246 struct InputStream *sync_ist; /* input stream to sync against */
247 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
248 AVBitStreamFilterContext *bitstream_filters;
249 AVCodec *enc;
250
251 /* video only */
252 int video_resample;
253 AVFrame pict_tmp; /* temporary image for resampling */
254 struct SwsContext *img_resample_ctx; /* for image resampling */
255 int resample_height;
256 int resample_width;
257 int resample_pix_fmt;
258 AVRational frame_rate;
259
260 float frame_aspect_ratio;
261
262 /* forced key frames */
263 int64_t *forced_kf_pts;
264 int forced_kf_count;
265 int forced_kf_index;
266
267 /* audio only */
268 int audio_resample;
269 ReSampleContext *resample; /* for audio resampling */
270 int resample_sample_fmt;
271 int resample_channels;
272 int resample_sample_rate;
273 int reformat_pair;
274 AVAudioConvert *reformat_ctx;
275 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
276 FILE *logfile;
277
278#if CONFIG_AVFILTER
279 AVFilterContext *output_video_filter;
280 AVFilterContext *input_video_filter;
281 AVFilterBufferRef *picref;
282 char *avfilter;
283 AVFilterGraph *graph;
284#endif
285
286 int sws_flags;
287 AVDictionary *opts;
288} OutputStream;
289
290static OutputStream **output_streams_for_file[MAX_FILES] = { NULL };
291static int nb_output_streams_for_file[MAX_FILES] = { 0 };
292
293typedef struct InputStream {
294 int file_index;
295 AVStream *st;
296 int discard; /* true if stream data should be discarded */
297 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
298 AVCodec *dec;
299
300 int64_t start; /* time when read started */
301 int64_t next_pts; /* synthetic pts for cases where pkt.pts
302 is not defined */
303 int64_t pts; /* current pts */
304 PtsCorrectionContext pts_ctx;
305 double ts_scale;
306 int is_start; /* is 1 at the start and after a discontinuity */
307 int showed_multi_packet_warning;
308 int is_past_recording_time;
309 AVDictionary *opts;
310} InputStream;
311
312typedef struct InputFile {
313 AVFormatContext *ctx;
314 int eof_reached; /* true if eof reached */
315 int ist_index; /* index of first stream in ist_table */
316 int buffer_size; /* current total buffer size */
317 int64_t ts_offset;
318} InputFile;
319
320static InputStream *input_streams = NULL;
321static int nb_input_streams = 0;
322static InputFile *input_files = NULL;
323static int nb_input_files = 0;
324
325#if CONFIG_AVFILTER
326
327static int configure_video_filters(InputStream *ist, OutputStream *ost)
328{
329 AVFilterContext *last_filter, *filter;
330 /** filter graph containing all filters including input & output */
331 AVCodecContext *codec = ost->st->codec;
332 AVCodecContext *icodec = ist->st->codec;
333 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
334 AVRational sample_aspect_ratio;
335 char args[255];
336 int ret;
337
338 ost->graph = avfilter_graph_alloc();
339
340 if (ist->st->sample_aspect_ratio.num){
341 sample_aspect_ratio = ist->st->sample_aspect_ratio;
342 }else
343 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
344
345 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
346 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
347 sample_aspect_ratio.num, sample_aspect_ratio.den);
348
349 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
350 "src", args, NULL, ost->graph);
351 if (ret < 0)
352 return ret;
353 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
354 "out", NULL, &ffsink_ctx, ost->graph);
355 if (ret < 0)
356 return ret;
357 last_filter = ost->input_video_filter;
358
359 if (codec->width != icodec->width || codec->height != icodec->height) {
360 snprintf(args, 255, "%d:%d:flags=0x%X",
361 codec->width,
362 codec->height,
363 ost->sws_flags);
364 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
365 NULL, args, NULL, ost->graph)) < 0)
366 return ret;
367 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
368 return ret;
369 last_filter = filter;
370 }
371
372 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
373 ost->graph->scale_sws_opts = av_strdup(args);
374
375 if (ost->avfilter) {
376 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
377 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
378
379 outputs->name = av_strdup("in");
380 outputs->filter_ctx = last_filter;
381 outputs->pad_idx = 0;
382 outputs->next = NULL;
383
384 inputs->name = av_strdup("out");
385 inputs->filter_ctx = ost->output_video_filter;
386 inputs->pad_idx = 0;
387 inputs->next = NULL;
388
389 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
390 return ret;
391 av_freep(&ost->avfilter);
392 } else {
393 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
394 return ret;
395 }
396
397 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
398 return ret;
399
400 codec->width = ost->output_video_filter->inputs[0]->w;
401 codec->height = ost->output_video_filter->inputs[0]->h;
402 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
403 ost->frame_aspect_ratio ? // overriden by the -aspect cli option
404 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
405 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
406
407 return 0;
408}
409#endif /* CONFIG_AVFILTER */
410
411static void term_exit(void)
412{
413 av_log(NULL, AV_LOG_QUIET, "");
414}
415
416static volatile int received_sigterm = 0;
417static volatile int received_nb_signals = 0;
418
419static void
420sigterm_handler(int sig)
421{
422 received_sigterm = sig;
423 received_nb_signals++;
424 term_exit();
425}
426
427static void term_init(void)
428{
429 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
430 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
431#ifdef SIGXCPU
432 signal(SIGXCPU, sigterm_handler);
433#endif
434}
435
436static int decode_interrupt_cb(void)
437{
438 return received_nb_signals > 1;
439}
440
441static int exit_program(int ret)
442{
443 int i;
444
445 /* close files */
446 for(i=0;i<nb_output_files;i++) {
447 AVFormatContext *s = output_files[i];
448 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
449 avio_close(s->pb);
450 avformat_free_context(s);
451 av_free(output_streams_for_file[i]);
452 av_dict_free(&output_opts[i]);
453 }
454 for(i=0;i<nb_input_files;i++) {
455 av_close_input_file(input_files[i].ctx);
456 }
457 for (i = 0; i < nb_input_streams; i++)
458 av_dict_free(&input_streams[i].opts);
459
460 av_free(intra_matrix);
461 av_free(inter_matrix);
462
463 if (vstats_file)
464 fclose(vstats_file);
465 av_free(vstats_filename);
466
467 av_free(streamid_map);
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468 av_free(meta_data_maps);
469
470 av_freep(&input_streams);
471 av_freep(&input_files);
472
473 av_free(video_codec_name);
474 av_free(audio_codec_name);
475 av_free(subtitle_codec_name);
476 av_free(data_codec_name);
477
478 uninit_opts();
479 av_free(audio_buf);
480 av_free(audio_out);
481 allocated_audio_buf_size= allocated_audio_out_size= 0;
482 av_free(samples);
483
484#if CONFIG_AVFILTER
485 avfilter_uninit();
486#endif
487
488 if (received_sigterm) {
489 fprintf(stderr,
490 "Received signal %d: terminating.\n",
491 (int) received_sigterm);
492 exit (255);
493 }
494
495 exit(ret); /* not all OS-es handle main() return value */
496 return ret;
497}
498
499static void assert_avoptions(AVDictionary *m)
500{
501 AVDictionaryEntry *t;
502 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
503 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
504 exit_program(1);
505 }
506}
507
508static void assert_codec_experimental(AVCodecContext *c, int encoder)
509{
510 const char *codec_string = encoder ? "encoder" : "decoder";
511 AVCodec *codec;
512 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
513 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
514 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
515 "results.\nAdd '-strict experimental' if you want to use it.\n",
516 codec_string, c->codec->name);
517 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
518 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
519 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
520 codec_string, codec->name);
521 exit_program(1);
522 }
523}
524
525/* similar to ff_dynarray_add() and av_fast_realloc() */
526static void *grow_array(void *array, int elem_size, int *size, int new_size)
527{
528 if (new_size >= INT_MAX / elem_size) {
529 fprintf(stderr, "Array too big.\n");
530 exit_program(1);
531 }
532 if (*size < new_size) {
533 uint8_t *tmp = av_realloc(array, new_size*elem_size);
534 if (!tmp) {
535 fprintf(stderr, "Could not alloc buffer.\n");
536 exit_program(1);
537 }
538 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
539 *size = new_size;
540 return tmp;
541 }
542 return array;
543}
544
545static void choose_sample_fmt(AVStream *st, AVCodec *codec)
546{
547 if(codec && codec->sample_fmts){
548 const enum AVSampleFormat *p= codec->sample_fmts;
549 for(; *p!=-1; p++){
550 if(*p == st->codec->sample_fmt)
551 break;
552 }
553 if (*p == -1) {
554 av_log(NULL, AV_LOG_WARNING,
555 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
556 av_get_sample_fmt_name(st->codec->sample_fmt),
557 codec->name,
558 av_get_sample_fmt_name(codec->sample_fmts[0]));
559 st->codec->sample_fmt = codec->sample_fmts[0];
560 }
561 }
562}
563
564/**
565 * Update the requested input sample format based on the output sample format.
566 * This is currently only used to request float output from decoders which
567 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
568 * Ideally this will be removed in the future when decoders do not do format
569 * conversion and only output in their native format.
570 */
571static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
572 AVCodecContext *enc)
573{
574 /* if sample formats match or a decoder sample format has already been
575 requested, just return */
576 if (enc->sample_fmt == dec->sample_fmt ||
577 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
578 return;
579
580 /* if decoder supports more than one output format */
581 if (dec_codec && dec_codec->sample_fmts &&
582 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
583 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
584 const enum AVSampleFormat *p;
585 int min_dec = -1, min_inc = -1;
586
587 /* find a matching sample format in the encoder */
588 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
589 if (*p == enc->sample_fmt) {
590 dec->request_sample_fmt = *p;
591 return;
592 } else if (*p > enc->sample_fmt) {
593 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
594 } else
595 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
596 }
597
598 /* if none match, provide the one that matches quality closest */
599 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
600 enc->sample_fmt - min_dec;
601 }
602}
603
604static void choose_sample_rate(AVStream *st, AVCodec *codec)
605{
606 if(codec && codec->supported_samplerates){
607 const int *p= codec->supported_samplerates;
608 int best=0;
609 int best_dist=INT_MAX;
610 for(; *p; p++){
611 int dist= abs(st->codec->sample_rate - *p);
612 if(dist < best_dist){
613 best_dist= dist;
614 best= *p;
615 }
616 }
617 if(best_dist){
618 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
619 }
620 st->codec->sample_rate= best;
621 }
622}
623
624static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
625{
626 if(codec && codec->pix_fmts){
627 const enum PixelFormat *p= codec->pix_fmts;
628 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
629 if(st->codec->codec_id==CODEC_ID_MJPEG){
630 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
631 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
632 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};
633 }
634 }
635 for(; *p!=-1; p++){
636 if(*p == st->codec->pix_fmt)
637 break;
638 }
639 if (*p == -1) {
640 if(st->codec->pix_fmt != PIX_FMT_NONE)
641 av_log(NULL, AV_LOG_WARNING,
642 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
643 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
644 codec->name,
645 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
646 st->codec->pix_fmt = codec->pix_fmts[0];
647 }
648 }
649}
650
651static OutputStream *new_output_stream(AVFormatContext *oc, int file_idx, AVCodec *codec)
652{
653 OutputStream *ost;
654 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
655 int idx = oc->nb_streams - 1;
656
657 if (!st) {
658 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
659 exit_program(1);
660 }
661
662 output_streams_for_file[file_idx] =
663 grow_array(output_streams_for_file[file_idx],
664 sizeof(*output_streams_for_file[file_idx]),
665 &nb_output_streams_for_file[file_idx],
666 oc->nb_streams);
667 ost = output_streams_for_file[file_idx][idx] =
668 av_mallocz(sizeof(OutputStream));
669 if (!ost) {
670 fprintf(stderr, "Could not alloc output stream\n");
671 exit_program(1);
672 }
673 ost->file_index = file_idx;
674 ost->index = idx;
675 ost->st = st;
676 ost->enc = codec;
d4863fc1
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677 if (codec) {
678 st->codec->codec_type = codec->type;
679 ost->opts = filter_codec_opts(codec_opts, codec->id, oc, st);
680 }
6291d7e4
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681
682 avcodec_get_context_defaults3(st->codec, codec);
683
684 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
685 return ost;
686}
687
688static int read_avserver_streams(AVFormatContext *s, const char *filename)
689{
690 int i, err;
691 AVFormatContext *ic = NULL;
692 int nopts = 0;
693
694 err = avformat_open_input(&ic, filename, NULL, NULL);
695 if (err < 0)
696 return err;
697 /* copy stream format */
698 for(i=0;i<ic->nb_streams;i++) {
699 AVStream *st;
700 OutputStream *ost;
701 AVCodec *codec;
702
703 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
704 ost = new_output_stream(s, nb_output_files, codec);
705 st = ost->st;
706
707 // FIXME: a more elegant solution is needed
708 memcpy(st, ic->streams[i], sizeof(AVStream));
709 st->info = NULL;
710 avcodec_copy_context(st->codec, ic->streams[i]->codec);
711
712 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
713 if (audio_stream_copy) {
714 st->stream_copy = 1;
715 } else
716 choose_sample_fmt(st, codec);
717 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
718 if (video_stream_copy) {
719 st->stream_copy = 1;
720 } else
721 choose_pixel_fmt(st, codec);
722 }
723
724 if(st->codec->flags & CODEC_FLAG_BITEXACT)
725 nopts = 1;
726 }
727
728 av_close_input_file(ic);
729 return 0;
730}
731
732static double
733get_sync_ipts(const OutputStream *ost)
734{
735 const InputStream *ist = ost->sync_ist;
736 return (double)(ist->pts - start_time)/AV_TIME_BASE;
737}
738
739static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
740 int ret;
741
742 while(bsfc){
743 AVPacket new_pkt= *pkt;
744 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
745 &new_pkt.data, &new_pkt.size,
746 pkt->data, pkt->size,
747 pkt->flags & AV_PKT_FLAG_KEY);
748 if(a>0){
749 av_free_packet(pkt);
750 new_pkt.destruct= av_destruct_packet;
751 } else if(a<0){
752 fprintf(stderr, "%s failed for stream %d, codec %s",
753 bsfc->filter->name, pkt->stream_index,
754 avctx->codec ? avctx->codec->name : "copy");
755 print_error("", a);
756 if (exit_on_error)
757 exit_program(1);
758 }
759 *pkt= new_pkt;
760
761 bsfc= bsfc->next;
762 }
763
764 ret= av_interleaved_write_frame(s, pkt);
765 if(ret < 0){
766 print_error("av_interleaved_write_frame()", ret);
767 exit_program(1);
768 }
769}
770
771#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
772
773static void do_audio_out(AVFormatContext *s,
774 OutputStream *ost,
775 InputStream *ist,
776 unsigned char *buf, int size)
777{
778 uint8_t *buftmp;
779 int64_t audio_out_size, audio_buf_size;
780 int64_t allocated_for_size= size;
781
782 int size_out, frame_bytes, ret, resample_changed;
783 AVCodecContext *enc= ost->st->codec;
784 AVCodecContext *dec= ist->st->codec;
785 int osize = av_get_bytes_per_sample(enc->sample_fmt);
786 int isize = av_get_bytes_per_sample(dec->sample_fmt);
787 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
788
789need_realloc:
790 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
791 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
792 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
793 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
794 audio_buf_size*= osize*enc->channels;
795
796 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
797 if(coded_bps > 8*osize)
798 audio_out_size= audio_out_size * coded_bps / (8*osize);
799 audio_out_size += FF_MIN_BUFFER_SIZE;
800
801 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
802 fprintf(stderr, "Buffer sizes too large\n");
803 exit_program(1);
804 }
805
806 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
807 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
808 if (!audio_buf || !audio_out){
809 fprintf(stderr, "Out of memory in do_audio_out\n");
810 exit_program(1);
811 }
812
813 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
814 ost->audio_resample = 1;
815
816 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
817 ost->resample_channels != dec->channels ||
818 ost->resample_sample_rate != dec->sample_rate;
819
820 if ((ost->audio_resample && !ost->resample) || resample_changed) {
821 if (resample_changed) {
822 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",
823 ist->file_index, ist->st->index,
824 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
825 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
826 ost->resample_sample_fmt = dec->sample_fmt;
827 ost->resample_channels = dec->channels;
828 ost->resample_sample_rate = dec->sample_rate;
829 if (ost->resample)
830 audio_resample_close(ost->resample);
831 }
832 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
833 if (audio_sync_method <= 1 &&
834 ost->resample_sample_fmt == enc->sample_fmt &&
835 ost->resample_channels == enc->channels &&
836 ost->resample_sample_rate == enc->sample_rate) {
837 ost->resample = NULL;
838 ost->audio_resample = 0;
839 } else if (ost->audio_resample) {
840 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
841 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
842 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
843 enc->sample_rate, dec->sample_rate,
844 enc->sample_fmt, dec->sample_fmt,
845 16, 10, 0, 0.8);
846 if (!ost->resample) {
847 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
848 dec->channels, dec->sample_rate,
849 enc->channels, enc->sample_rate);
850 exit_program(1);
851 }
852 }
853 }
854
855#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
856 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
857 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
858 if (ost->reformat_ctx)
859 av_audio_convert_free(ost->reformat_ctx);
860 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
861 dec->sample_fmt, 1, NULL, 0);
862 if (!ost->reformat_ctx) {
863 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
864 av_get_sample_fmt_name(dec->sample_fmt),
865 av_get_sample_fmt_name(enc->sample_fmt));
866 exit_program(1);
867 }
868 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
869 }
870
871 if(audio_sync_method){
872 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
873 - av_fifo_size(ost->fifo)/(enc->channels * 2);
874 double idelta= delta*dec->sample_rate / enc->sample_rate;
875 int byte_delta= ((int)idelta)*2*dec->channels;
876
877 //FIXME resample delay
878 if(fabs(delta) > 50){
879 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
880 if(byte_delta < 0){
881 byte_delta= FFMAX(byte_delta, -size);
882 size += byte_delta;
883 buf -= byte_delta;
884 if(verbose > 2)
885 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
886 if(!size)
887 return;
888 ist->is_start=0;
889 }else{
890 static uint8_t *input_tmp= NULL;
891 input_tmp= av_realloc(input_tmp, byte_delta + size);
892
893 if(byte_delta > allocated_for_size - size){
894 allocated_for_size= byte_delta + (int64_t)size;
895 goto need_realloc;
896 }
897 ist->is_start=0;
898
899 memset(input_tmp, 0, byte_delta);
900 memcpy(input_tmp + byte_delta, buf, size);
901 buf= input_tmp;
902 size += byte_delta;
903 if(verbose > 2)
904 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
905 }
906 }else if(audio_sync_method>1){
907 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
908 av_assert0(ost->audio_resample);
909 if(verbose > 2)
910 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
911// 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));
912 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
913 }
914 }
915 }else
916 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
917 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
918
919 if (ost->audio_resample) {
920 buftmp = audio_buf;
921 size_out = audio_resample(ost->resample,
922 (short *)buftmp, (short *)buf,
923 size / (dec->channels * isize));
924 size_out = size_out * enc->channels * osize;
925 } else {
926 buftmp = buf;
927 size_out = size;
928 }
929
930 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
931 const void *ibuf[6]= {buftmp};
932 void *obuf[6]= {audio_buf};
933 int istride[6]= {isize};
934 int ostride[6]= {osize};
935 int len= size_out/istride[0];
936 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
937 printf("av_audio_convert() failed\n");
938 if (exit_on_error)
939 exit_program(1);
940 return;
941 }
942 buftmp = audio_buf;
943 size_out = len*osize;
944 }
945
946 /* now encode as many frames as possible */
947 if (enc->frame_size > 1) {
948 /* output resampled raw samples */
949 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
950 fprintf(stderr, "av_fifo_realloc2() failed\n");
951 exit_program(1);
952 }
953 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
954
955 frame_bytes = enc->frame_size * osize * enc->channels;
956
957 while (av_fifo_size(ost->fifo) >= frame_bytes) {
958 AVPacket pkt;
959 av_init_packet(&pkt);
960
961 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
962
963 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
964
965 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
966 (short *)audio_buf);
967 if (ret < 0) {
968 fprintf(stderr, "Audio encoding failed\n");
969 exit_program(1);
970 }
971 audio_size += ret;
972 pkt.stream_index= ost->index;
973 pkt.data= audio_out;
974 pkt.size= ret;
975 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
976 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
977 pkt.flags |= AV_PKT_FLAG_KEY;
978 write_frame(s, &pkt, enc, ost->bitstream_filters);
979
980 ost->sync_opts += enc->frame_size;
981 }
982 } else {
983 AVPacket pkt;
984 av_init_packet(&pkt);
985
986 ost->sync_opts += size_out / (osize * enc->channels);
987
988 /* output a pcm frame */
989 /* determine the size of the coded buffer */
990 size_out /= osize;
991 if (coded_bps)
992 size_out = size_out*coded_bps/8;
993
994 if(size_out > audio_out_size){
995 fprintf(stderr, "Internal error, buffer size too small\n");
996 exit_program(1);
997 }
998
999 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1000 ret = avcodec_encode_audio(enc, audio_out, size_out,
1001 (short *)buftmp);
1002 if (ret < 0) {
1003 fprintf(stderr, "Audio encoding failed\n");
1004 exit_program(1);
1005 }
1006 audio_size += ret;
1007 pkt.stream_index= ost->index;
1008 pkt.data= audio_out;
1009 pkt.size= ret;
1010 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1011 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1012 pkt.flags |= AV_PKT_FLAG_KEY;
1013 write_frame(s, &pkt, enc, ost->bitstream_filters);
1014 }
1015}
1016
1017static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1018{
1019 AVCodecContext *dec;
1020 AVPicture *picture2;
1021 AVPicture picture_tmp;
1022 uint8_t *buf = 0;
1023
1024 dec = ist->st->codec;
1025
1026 /* deinterlace : must be done before any resize */
1027 if (do_deinterlace) {
1028 int size;
1029
1030 /* create temporary picture */
1031 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1032 buf = av_malloc(size);
1033 if (!buf)
1034 return;
1035
1036 picture2 = &picture_tmp;
1037 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1038
1039 if(avpicture_deinterlace(picture2, picture,
1040 dec->pix_fmt, dec->width, dec->height) < 0) {
1041 /* if error, do not deinterlace */
1042 fprintf(stderr, "Deinterlacing failed\n");
1043 av_free(buf);
1044 buf = NULL;
1045 picture2 = picture;
1046 }
1047 } else {
1048 picture2 = picture;
1049 }
1050
1051 if (picture != picture2)
1052 *picture = *picture2;
1053 *bufp = buf;
1054}
1055
1056/* we begin to correct av delay at this threshold */
1057#define AV_DELAY_MAX 0.100
1058
1059static void do_subtitle_out(AVFormatContext *s,
1060 OutputStream *ost,
1061 InputStream *ist,
1062 AVSubtitle *sub,
1063 int64_t pts)
1064{
1065 static uint8_t *subtitle_out = NULL;
1066 int subtitle_out_max_size = 1024 * 1024;
1067 int subtitle_out_size, nb, i;
1068 AVCodecContext *enc;
1069 AVPacket pkt;
1070
1071 if (pts == AV_NOPTS_VALUE) {
1072 fprintf(stderr, "Subtitle packets must have a pts\n");
1073 if (exit_on_error)
1074 exit_program(1);
1075 return;
1076 }
1077
1078 enc = ost->st->codec;
1079
1080 if (!subtitle_out) {
1081 subtitle_out = av_malloc(subtitle_out_max_size);
1082 }
1083
1084 /* Note: DVB subtitle need one packet to draw them and one other
1085 packet to clear them */
1086 /* XXX: signal it in the codec context ? */
1087 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1088 nb = 2;
1089 else
1090 nb = 1;
1091
1092 for(i = 0; i < nb; i++) {
1093 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1094 // start_display_time is required to be 0
1095 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1096 sub->end_display_time -= sub->start_display_time;
1097 sub->start_display_time = 0;
1098 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1099 subtitle_out_max_size, sub);
1100 if (subtitle_out_size < 0) {
1101 fprintf(stderr, "Subtitle encoding failed\n");
1102 exit_program(1);
1103 }
1104
1105 av_init_packet(&pkt);
1106 pkt.stream_index = ost->index;
1107 pkt.data = subtitle_out;
1108 pkt.size = subtitle_out_size;
1109 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1110 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1111 /* XXX: the pts correction is handled here. Maybe handling
1112 it in the codec would be better */
1113 if (i == 0)
1114 pkt.pts += 90 * sub->start_display_time;
1115 else
1116 pkt.pts += 90 * sub->end_display_time;
1117 }
1118 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1119 }
1120}
1121
1122static int bit_buffer_size= 1024*256;
1123static uint8_t *bit_buffer= NULL;
1124
1125static void do_video_out(AVFormatContext *s,
1126 OutputStream *ost,
1127 InputStream *ist,
1128 AVFrame *in_picture,
1129 int *frame_size, float quality)
1130{
1131 int nb_frames, i, ret, resample_changed;
1132 AVFrame *final_picture, *formatted_picture;
1133 AVCodecContext *enc, *dec;
1134 double sync_ipts;
1135
1136 enc = ost->st->codec;
1137 dec = ist->st->codec;
1138
1139 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1140
1141 /* by default, we output a single frame */
1142 nb_frames = 1;
1143
1144 *frame_size = 0;
1145
1146 if(video_sync_method){
1147 double vdelta = sync_ipts - ost->sync_opts;
1148 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1149 if (vdelta < -1.1)
1150 nb_frames = 0;
1151 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1152 if(vdelta<=-0.6){
1153 nb_frames=0;
1154 }else if(vdelta>0.6)
1155 ost->sync_opts= lrintf(sync_ipts);
1156 }else if (vdelta > 1.1)
1157 nb_frames = lrintf(vdelta);
1158//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);
1159 if (nb_frames == 0){
1160 ++nb_frames_drop;
1161 if (verbose>2)
1162 fprintf(stderr, "*** drop!\n");
1163 }else if (nb_frames > 1) {
1164 nb_frames_dup += nb_frames - 1;
1165 if (verbose>2)
1166 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1167 }
1168 }else
1169 ost->sync_opts= lrintf(sync_ipts);
1170
1171 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1172 if (nb_frames <= 0)
1173 return;
1174
1175 formatted_picture = in_picture;
1176 final_picture = formatted_picture;
1177
1178 resample_changed = ost->resample_width != dec->width ||
1179 ost->resample_height != dec->height ||
1180 ost->resample_pix_fmt != dec->pix_fmt;
1181
1182 if (resample_changed) {
1183 av_log(NULL, AV_LOG_INFO,
1184 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1185 ist->file_index, ist->st->index,
1186 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1187 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1188 if(!ost->video_resample)
5c59fa56 1189 ost->video_resample = 1;
6291d7e4
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1190 }
1191
1192#if !CONFIG_AVFILTER
1193 if (ost->video_resample) {
1194 final_picture = &ost->pict_tmp;
1195 if (resample_changed) {
1196 /* initialize a new scaler context */
1197 sws_freeContext(ost->img_resample_ctx);
1198 ost->img_resample_ctx = sws_getContext(
1199 ist->st->codec->width,
1200 ist->st->codec->height,
1201 ist->st->codec->pix_fmt,
1202 ost->st->codec->width,
1203 ost->st->codec->height,
1204 ost->st->codec->pix_fmt,
1205 ost->sws_flags, NULL, NULL, NULL);
1206 if (ost->img_resample_ctx == NULL) {
1207 fprintf(stderr, "Cannot get resampling context\n");
1208 exit_program(1);
1209 }
1210 }
1211 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1212 0, ost->resample_height, final_picture->data, final_picture->linesize);
1213 }
428c59d9
K
1214#else
1215 if (resample_changed) {
1216 avfilter_graph_free(&ost->graph);
1217 if (configure_video_filters(ist, ost)) {
1218 fprintf(stderr, "Error reinitialising filters!\n");
1219 exit_program(1);
1220 }
1221 }
6291d7e4 1222#endif
428c59d9
K
1223 if (resample_changed) {
1224 ost->resample_width = dec->width;
1225 ost->resample_height = dec->height;
1226 ost->resample_pix_fmt = dec->pix_fmt;
1227 }
6291d7e4
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1228
1229 /* duplicates frame if needed */
1230 for(i=0;i<nb_frames;i++) {
1231 AVPacket pkt;
1232 av_init_packet(&pkt);
1233 pkt.stream_index= ost->index;
1234
1235 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1236 /* raw pictures are written as AVPicture structure to
1237 avoid any copies. We support temorarily the older
1238 method. */
1239 AVFrame* old_frame = enc->coded_frame;
1240 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1241 pkt.data= (uint8_t *)final_picture;
1242 pkt.size= sizeof(AVPicture);
1243 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1244 pkt.flags |= AV_PKT_FLAG_KEY;
1245
1246 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1247 enc->coded_frame = old_frame;
1248 } else {
1249 AVFrame big_picture;
1250
1251 big_picture= *final_picture;
1252 /* better than nothing: use input picture interlaced
1253 settings */
1254 big_picture.interlaced_frame = in_picture->interlaced_frame;
1255 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1256 if(top_field_first == -1)
1257 big_picture.top_field_first = in_picture->top_field_first;
1258 else
1259 big_picture.top_field_first = top_field_first;
1260 }
1261
1262 /* handles sameq here. This is not correct because it may
1263 not be a global option */
1264 big_picture.quality = quality;
1265 if(!me_threshold)
1266 big_picture.pict_type = 0;
1267// big_picture.pts = AV_NOPTS_VALUE;
1268 big_picture.pts= ost->sync_opts;
1269// big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1270//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1271 if (ost->forced_kf_index < ost->forced_kf_count &&
1272 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1273 big_picture.pict_type = AV_PICTURE_TYPE_I;
1274 ost->forced_kf_index++;
1275 }
1276 ret = avcodec_encode_video(enc,
1277 bit_buffer, bit_buffer_size,
1278 &big_picture);
1279 if (ret < 0) {
1280 fprintf(stderr, "Video encoding failed\n");
1281 exit_program(1);
1282 }
1283
1284 if(ret>0){
1285 pkt.data= bit_buffer;
1286 pkt.size= ret;
1287 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1288 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1289/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1290 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1291 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1292
1293 if(enc->coded_frame->key_frame)
1294 pkt.flags |= AV_PKT_FLAG_KEY;
1295 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1296 *frame_size = ret;
1297 video_size += ret;
1298 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1299 // enc->frame_number-1, ret, enc->pict_type);
1300 /* if two pass, output log */
1301 if (ost->logfile && enc->stats_out) {
1302 fprintf(ost->logfile, "%s", enc->stats_out);
1303 }
1304 }
1305 }
1306 ost->sync_opts++;
1307 ost->frame_number++;
1308 }
1309}
1310
1311static double psnr(double d){
1312 return -10.0*log(d)/log(10.0);
1313}
1314
1315static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1316 int frame_size)
1317{
1318 AVCodecContext *enc;
1319 int frame_number;
1320 double ti1, bitrate, avg_bitrate;
1321
1322 /* this is executed just the first time do_video_stats is called */
1323 if (!vstats_file) {
1324 vstats_file = fopen(vstats_filename, "w");
1325 if (!vstats_file) {
1326 perror("fopen");
1327 exit_program(1);
1328 }
1329 }
1330
1331 enc = ost->st->codec;
1332 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1333 frame_number = ost->frame_number;
1334 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1335 if (enc->flags&CODEC_FLAG_PSNR)
1336 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1337
1338 fprintf(vstats_file,"f_size= %6d ", frame_size);
1339 /* compute pts value */
1340 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1341 if (ti1 < 0.01)
1342 ti1 = 0.01;
1343
1344 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1345 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1346 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1347 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1348 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1349 }
1350}
1351
1352static void print_report(AVFormatContext **output_files,
1353 OutputStream **ost_table, int nb_ostreams,
1354 int is_last_report)
1355{
1356 char buf[1024];
1357 OutputStream *ost;
1358 AVFormatContext *oc;
1359 int64_t total_size;
1360 AVCodecContext *enc;
1361 int frame_number, vid, i;
1362 double bitrate, ti1, pts;
1363 static int64_t last_time = -1;
1364 static int qp_histogram[52];
1365
1366 if (!is_last_report) {
1367 int64_t cur_time;
1368 /* display the report every 0.5 seconds */
1369 cur_time = av_gettime();
1370 if (last_time == -1) {
1371 last_time = cur_time;
1372 return;
1373 }
1374 if ((cur_time - last_time) < 500000)
1375 return;
1376 last_time = cur_time;
1377 }
1378
1379
1380 oc = output_files[0];
1381
1382 total_size = avio_size(oc->pb);
1383 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1384 total_size= avio_tell(oc->pb);
1385
1386 buf[0] = '\0';
1387 ti1 = 1e10;
1388 vid = 0;
1389 for(i=0;i<nb_ostreams;i++) {
1390 float q = -1;
1391 ost = ost_table[i];
1392 enc = ost->st->codec;
1393 if (!ost->st->stream_copy && enc->coded_frame)
1394 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1395 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1396 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1397 }
1398 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1399 float t = (av_gettime()-timer_start) / 1000000.0;
1400
1401 frame_number = ost->frame_number;
1402 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1403 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1404 if(is_last_report)
1405 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1406 if(qp_hist){
1407 int j;
1408 int qp = lrintf(q);
1409 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1410 qp_histogram[qp]++;
1411 for(j=0; j<32; j++)
1412 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1413 }
1414 if (enc->flags&CODEC_FLAG_PSNR){
1415 int j;
1416 double error, error_sum=0;
1417 double scale, scale_sum=0;
1418 char type[3]= {'Y','U','V'};
1419 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1420 for(j=0; j<3; j++){
1421 if(is_last_report){
1422 error= enc->error[j];
1423 scale= enc->width*enc->height*255.0*255.0*frame_number;
1424 }else{
1425 error= enc->coded_frame->error[j];
1426 scale= enc->width*enc->height*255.0*255.0;
1427 }
1428 if(j) scale/=4;
1429 error_sum += error;
1430 scale_sum += scale;
1431 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1432 }
1433 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1434 }
1435 vid = 1;
1436 }
1437 /* compute min output value */
1438 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1439 if ((pts < ti1) && (pts > 0))
1440 ti1 = pts;
1441 }
1442 if (ti1 < 0.01)
1443 ti1 = 0.01;
1444
1445 if (verbose > 0 || is_last_report) {
1446 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1447
1448 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1449 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1450 (double)total_size / 1024, ti1, bitrate);
1451
1452 if (nb_frames_dup || nb_frames_drop)
1453 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1454 nb_frames_dup, nb_frames_drop);
1455
1456 if (verbose >= 0)
1457 fprintf(stderr, "%s \r", buf);
1458
1459 fflush(stderr);
1460 }
1461
1462 if (is_last_report && verbose >= 0){
1463 int64_t raw= audio_size + video_size + extra_size;
1464 fprintf(stderr, "\n");
1465 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1466 video_size/1024.0,
1467 audio_size/1024.0,
1468 extra_size/1024.0,
1469 100.0*(total_size - raw)/raw
1470 );
1471 }
1472}
1473
1474static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1475{
1476 int fill_char = 0x00;
1477 if (sample_fmt == AV_SAMPLE_FMT_U8)
1478 fill_char = 0x80;
1479 memset(buf, fill_char, size);
1480}
1481
1482/* pkt = NULL means EOF (needed to flush decoder buffers) */
1483static int output_packet(InputStream *ist, int ist_index,
1484 OutputStream **ost_table, int nb_ostreams,
1485 const AVPacket *pkt)
1486{
1487 AVFormatContext *os;
1488 OutputStream *ost;
1489 int ret, i;
1490 int got_output;
1491 AVFrame picture;
1492 void *buffer_to_free = NULL;
1493 static unsigned int samples_size= 0;
1494 AVSubtitle subtitle, *subtitle_to_free;
1495 int64_t pkt_pts = AV_NOPTS_VALUE;
1496#if CONFIG_AVFILTER
1497 int frame_available;
1498#endif
1499 float quality;
1500
1501 AVPacket avpkt;
1502 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1503
1504 if(ist->next_pts == AV_NOPTS_VALUE)
1505 ist->next_pts= ist->pts;
1506
1507 if (pkt == NULL) {
1508 /* EOF handling */
1509 av_init_packet(&avpkt);
1510 avpkt.data = NULL;
1511 avpkt.size = 0;
1512 goto handle_eof;
1513 } else {
1514 avpkt = *pkt;
1515 }
1516
1517 if(pkt->dts != AV_NOPTS_VALUE)
1518 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1519 if(pkt->pts != AV_NOPTS_VALUE)
1520 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1521
1522 //while we have more to decode or while the decoder did output something on EOF
1523 while (avpkt.size > 0 || (!pkt && got_output)) {
1524 uint8_t *data_buf, *decoded_data_buf;
1525 int data_size, decoded_data_size;
1526 handle_eof:
1527 ist->pts= ist->next_pts;
1528
1529 if(avpkt.size && avpkt.size != pkt->size &&
1530 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1531 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1532 ist->showed_multi_packet_warning=1;
1533 }
1534
1535 /* decode the packet if needed */
1536 decoded_data_buf = NULL; /* fail safe */
1537 decoded_data_size= 0;
1538 data_buf = avpkt.data;
1539 data_size = avpkt.size;
1540 subtitle_to_free = NULL;
1541 if (ist->decoding_needed) {
1542 switch(ist->st->codec->codec_type) {
1543 case AVMEDIA_TYPE_AUDIO:{
1544 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1545 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1546 av_free(samples);
1547 samples= av_malloc(samples_size);
1548 }
1549 decoded_data_size= samples_size;
1550 /* XXX: could avoid copy if PCM 16 bits with same
1551 endianness as CPU */
1552 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1553 &avpkt);
1554 if (ret < 0)
1555 return ret;
1556 avpkt.data += ret;
1557 avpkt.size -= ret;
1558 data_size = ret;
1559 got_output = decoded_data_size > 0;
1560 /* Some bug in mpeg audio decoder gives */
1561 /* decoded_data_size < 0, it seems they are overflows */
1562 if (!got_output) {
1563 /* no audio frame */
1564 continue;
1565 }
1566 decoded_data_buf = (uint8_t *)samples;
1567 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1568 (ist->st->codec->sample_rate * ist->st->codec->channels);
1569 break;}
1570 case AVMEDIA_TYPE_VIDEO:
1571 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1572 /* XXX: allocate picture correctly */
1573 avcodec_get_frame_defaults(&picture);
1574 avpkt.pts = pkt_pts;
1575 avpkt.dts = ist->pts;
1576 pkt_pts = AV_NOPTS_VALUE;
1577
1578 ret = avcodec_decode_video2(ist->st->codec,
1579 &picture, &got_output, &avpkt);
1580 quality = same_quality ? picture.quality : 0;
1581 if (ret < 0)
1582 return ret;
1583 if (!got_output) {
1584 /* no picture yet */
1585 goto discard_packet;
1586 }
1587 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1588 if (ist->st->codec->time_base.num != 0) {
1589 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1590 ist->next_pts += ((int64_t)AV_TIME_BASE *
1591 ist->st->codec->time_base.num * ticks) /
1592 ist->st->codec->time_base.den;
1593 }
1594 avpkt.size = 0;
1595 buffer_to_free = NULL;
1596 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1597 break;
1598 case AVMEDIA_TYPE_SUBTITLE:
1599 ret = avcodec_decode_subtitle2(ist->st->codec,
1600 &subtitle, &got_output, &avpkt);
1601 if (ret < 0)
1602 return ret;
1603 if (!got_output) {
1604 goto discard_packet;
1605 }
1606 subtitle_to_free = &subtitle;
1607 avpkt.size = 0;
1608 break;
1609 default:
1610 return -1;
1611 }
1612 } else {
1613 switch(ist->st->codec->codec_type) {
1614 case AVMEDIA_TYPE_AUDIO:
1615 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1616 ist->st->codec->sample_rate;
1617 break;
1618 case AVMEDIA_TYPE_VIDEO:
1619 if (ist->st->codec->time_base.num != 0) {
1620 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1621 ist->next_pts += ((int64_t)AV_TIME_BASE *
1622 ist->st->codec->time_base.num * ticks) /
1623 ist->st->codec->time_base.den;
1624 }
1625 break;
1626 }
1627 ret = avpkt.size;
1628 avpkt.size = 0;
1629 }
1630
1631#if CONFIG_AVFILTER
1632 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1633 for (i = 0; i < nb_ostreams; i++) {
1634 ost = ost_table[i];
1635 if (ost->input_video_filter && ost->source_index == ist_index) {
1636 AVRational sar;
1637 if (ist->st->sample_aspect_ratio.num)
1638 sar = ist->st->sample_aspect_ratio;
1639 else
1640 sar = ist->st->codec->sample_aspect_ratio;
1641 // add it to be filtered
1642 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture,
1643 ist->pts,
1644 sar);
1645 }
1646 }
1647 }
1648#endif
1649
1650 // preprocess audio (volume)
1651 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1652 if (audio_volume != 256) {
1653 short *volp;
1654 volp = samples;
1655 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1656 int v = ((*volp) * audio_volume + 128) >> 8;
1657 if (v < -32768) v = -32768;
1658 if (v > 32767) v = 32767;
1659 *volp++ = v;
1660 }
1661 }
1662 }
1663
1664 /* frame rate emulation */
1665 if (rate_emu) {
1666 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1667 int64_t now = av_gettime() - ist->start;
1668 if (pts > now)
1669 usleep(pts - now);
1670 }
1671 /* if output time reached then transcode raw format,
1672 encode packets and output them */
1673 if (start_time == 0 || ist->pts >= start_time)
1674 for(i=0;i<nb_ostreams;i++) {
1675 int frame_size;
1676
1677 ost = ost_table[i];
1678 if (ost->source_index == ist_index) {
1679#if CONFIG_AVFILTER
1680 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1681 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1682 while (frame_available) {
1683 AVRational ist_pts_tb;
1684 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1685 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1686 if (ost->picref)
1687 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1688#endif
1689 os = output_files[ost->file_index];
1690
1691 /* set the input output pts pairs */
1692 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1693
1694 if (ost->encoding_needed) {
1695 av_assert0(ist->decoding_needed);
1696 switch(ost->st->codec->codec_type) {
1697 case AVMEDIA_TYPE_AUDIO:
1698 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1699 break;
1700 case AVMEDIA_TYPE_VIDEO:
1701#if CONFIG_AVFILTER
1702 if (ost->picref->video && !ost->frame_aspect_ratio)
1703 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1704#endif
1705 do_video_out(os, ost, ist, &picture, &frame_size,
1706 same_quality ? quality : ost->st->codec->global_quality);
1707 if (vstats_filename && frame_size)
1708 do_video_stats(os, ost, frame_size);
1709 break;
1710 case AVMEDIA_TYPE_SUBTITLE:
1711 do_subtitle_out(os, ost, ist, &subtitle,
1712 pkt->pts);
1713 break;
1714 default:
1715 abort();
1716 }
1717 } else {
1718 AVFrame avframe; //FIXME/XXX remove this
1719 AVPacket opkt;
1720 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1721
1722 av_init_packet(&opkt);
1723
1724 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1725#if !CONFIG_AVFILTER
1726 continue;
1727#else
1728 goto cont;
1729#endif
1730
1731 /* no reencoding needed : output the packet directly */
1732 /* force the input stream PTS */
1733
1734 avcodec_get_frame_defaults(&avframe);
1735 ost->st->codec->coded_frame= &avframe;
1736 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1737
1738 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1739 audio_size += data_size;
1740 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1741 video_size += data_size;
1742 ost->sync_opts++;
1743 }
1744
1745 opkt.stream_index= ost->index;
1746 if(pkt->pts != AV_NOPTS_VALUE)
1747 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1748 else
1749 opkt.pts= AV_NOPTS_VALUE;
1750
1751 if (pkt->dts == AV_NOPTS_VALUE)
1752 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1753 else
1754 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1755 opkt.dts -= ost_tb_start_time;
1756
1757 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1758 opkt.flags= pkt->flags;
1759
1760 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1761 if( ost->st->codec->codec_id != CODEC_ID_H264
1762 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1763 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1764 ) {
1765 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1766 opkt.destruct= av_destruct_packet;
1767 } else {
1768 opkt.data = data_buf;
1769 opkt.size = data_size;
1770 }
1771
1772 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1773 ost->st->codec->frame_number++;
1774 ost->frame_number++;
1775 av_free_packet(&opkt);
1776 }
1777#if CONFIG_AVFILTER
1778 cont:
1779 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1780 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1781 if (ost->picref)
1782 avfilter_unref_buffer(ost->picref);
1783 }
1784#endif
1785 }
1786 }
1787
1788 av_free(buffer_to_free);
1789 /* XXX: allocate the subtitles in the codec ? */
1790 if (subtitle_to_free) {
1791 avsubtitle_free(subtitle_to_free);
1792 subtitle_to_free = NULL;
1793 }
1794 }
1795 discard_packet:
1796 if (pkt == NULL) {
1797 /* EOF handling */
1798
1799 for(i=0;i<nb_ostreams;i++) {
1800 ost = ost_table[i];
1801 if (ost->source_index == ist_index) {
1802 AVCodecContext *enc= ost->st->codec;
1803 os = output_files[ost->file_index];
1804
1805 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1806 continue;
1807 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1808 continue;
1809
1810 if (ost->encoding_needed) {
1811 for(;;) {
1812 AVPacket pkt;
1813 int fifo_bytes;
1814 av_init_packet(&pkt);
1815 pkt.stream_index= ost->index;
1816
1817 switch(ost->st->codec->codec_type) {
1818 case AVMEDIA_TYPE_AUDIO:
1819 fifo_bytes = av_fifo_size(ost->fifo);
1820 ret = 0;
1821 /* encode any samples remaining in fifo */
1822 if (fifo_bytes > 0) {
1823 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1824 int fs_tmp = enc->frame_size;
1825
1826 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1827 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1828 enc->frame_size = fifo_bytes / (osize * enc->channels);
1829 } else { /* pad */
1830 int frame_bytes = enc->frame_size*osize*enc->channels;
1831 if (allocated_audio_buf_size < frame_bytes)
1832 exit_program(1);
1833 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1834 }
1835
1836 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1837 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1838 ost->st->time_base.num, enc->sample_rate);
1839 enc->frame_size = fs_tmp;
1840 }
1841 if(ret <= 0) {
1842 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1843 }
1844 if (ret < 0) {
1845 fprintf(stderr, "Audio encoding failed\n");
1846 exit_program(1);
1847 }
1848 audio_size += ret;
1849 pkt.flags |= AV_PKT_FLAG_KEY;
1850 break;
1851 case AVMEDIA_TYPE_VIDEO:
1852 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1853 if (ret < 0) {
1854 fprintf(stderr, "Video encoding failed\n");
1855 exit_program(1);
1856 }
1857 video_size += ret;
1858 if(enc->coded_frame && enc->coded_frame->key_frame)
1859 pkt.flags |= AV_PKT_FLAG_KEY;
1860 if (ost->logfile && enc->stats_out) {
1861 fprintf(ost->logfile, "%s", enc->stats_out);
1862 }
1863 break;
1864 default:
1865 ret=-1;
1866 }
1867
1868 if(ret<=0)
1869 break;
1870 pkt.data= bit_buffer;
1871 pkt.size= ret;
1872 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1873 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1874 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1875 }
1876 }
1877 }
1878 }
1879 }
1880
1881 return 0;
1882}
1883
1884static void print_sdp(AVFormatContext **avc, int n)
1885{
1886 char sdp[2048];
1887
1888 av_sdp_create(avc, n, sdp, sizeof(sdp));
1889 printf("SDP:\n%s\n", sdp);
1890 fflush(stdout);
1891}
1892
1893static int copy_chapters(int infile, int outfile)
1894{
1895 AVFormatContext *is = input_files[infile].ctx;
1896 AVFormatContext *os = output_files[outfile];
1897 int i;
1898
1899 for (i = 0; i < is->nb_chapters; i++) {
1900 AVChapter *in_ch = is->chapters[i], *out_ch;
1901 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
1902 AV_TIME_BASE_Q, in_ch->time_base);
1903 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1904 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1905
1906
1907 if (in_ch->end < ts_off)
1908 continue;
1909 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1910 break;
1911
1912 out_ch = av_mallocz(sizeof(AVChapter));
1913 if (!out_ch)
1914 return AVERROR(ENOMEM);
1915
1916 out_ch->id = in_ch->id;
1917 out_ch->time_base = in_ch->time_base;
1918 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1919 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1920
1921 if (metadata_chapters_autocopy)
1922 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1923
1924 os->nb_chapters++;
1925 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1926 if (!os->chapters)
1927 return AVERROR(ENOMEM);
1928 os->chapters[os->nb_chapters - 1] = out_ch;
1929 }
1930 return 0;
1931}
1932
1933static void parse_forced_key_frames(char *kf, OutputStream *ost,
1934 AVCodecContext *avctx)
1935{
1936 char *p;
1937 int n = 1, i;
1938 int64_t t;
1939
1940 for (p = kf; *p; p++)
1941 if (*p == ',')
1942 n++;
1943 ost->forced_kf_count = n;
1944 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1945 if (!ost->forced_kf_pts) {
1946 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1947 exit_program(1);
1948 }
1949 for (i = 0; i < n; i++) {
1950 p = i ? strchr(p, ',') + 1 : kf;
1951 t = parse_time_or_die("force_key_frames", p, 1);
1952 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1953 }
1954}
1955
1956/*
1957 * The following code is the main loop of the file converter
1958 */
1959static int transcode(AVFormatContext **output_files,
1960 int nb_output_files,
1961 InputFile *input_files,
3d4f0dab 1962 int nb_input_files)
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1963{
1964 int ret = 0, i, j, k, n, nb_ostreams = 0;
1965 AVFormatContext *is, *os;
1966 AVCodecContext *codec, *icodec;
1967 OutputStream *ost, **ost_table = NULL;
1968 InputStream *ist;
1969 char error[1024];
1970 int want_sdp = 1;
1971 uint8_t no_packet[MAX_FILES]={0};
1972 int no_packet_count=0;
1973
1974 if (rate_emu)
1975 for (i = 0; i < nb_input_streams; i++)
1976 input_streams[i].start = av_gettime();
1977
1978 /* output stream init */
1979 nb_ostreams = 0;
1980 for(i=0;i<nb_output_files;i++) {
1981 os = output_files[i];
1982 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1983 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
1984 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1985 ret = AVERROR(EINVAL);
1986 goto fail;
1987 }
1988 nb_ostreams += os->nb_streams;
1989 }
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1990
1991 ost_table = av_mallocz(sizeof(OutputStream *) * nb_ostreams);
1992 if (!ost_table)
1993 goto fail;
1994 n = 0;
1995 for(k=0;k<nb_output_files;k++) {
1996 os = output_files[k];
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1997 for (i = 0; i < os->nb_streams; i++, n++)
1998 ost_table[n] = output_streams_for_file[k][i];
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1999 }
2000
2001 /* for each output stream, we compute the right encoding parameters */
2002 for(i=0;i<nb_ostreams;i++) {
2003 ost = ost_table[i];
2004 os = output_files[ost->file_index];
2005 ist = &input_streams[ost->source_index];
2006
2007 codec = ost->st->codec;
2008 icodec = ist->st->codec;
2009
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2010 ost->st->disposition = ist->st->disposition;
2011 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2012 codec->chroma_sample_location = icodec->chroma_sample_location;
2013
2014 if (ost->st->stream_copy) {
2015 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2016
2017 if (extra_size > INT_MAX)
2018 goto fail;
2019
2020 /* if stream_copy is selected, no need to decode or encode */
2021 codec->codec_id = icodec->codec_id;
2022 codec->codec_type = icodec->codec_type;
2023
2024 if(!codec->codec_tag){
2025 if( !os->oformat->codec_tag
2026 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2027 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2028 codec->codec_tag = icodec->codec_tag;
2029 }
2030
2031 codec->bit_rate = icodec->bit_rate;
2032 codec->rc_max_rate = icodec->rc_max_rate;
2033 codec->rc_buffer_size = icodec->rc_buffer_size;
2034 codec->extradata= av_mallocz(extra_size);
2035 if (!codec->extradata)
2036 goto fail;
2037 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2038 codec->extradata_size= icodec->extradata_size;
2039 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){
2040 codec->time_base = icodec->time_base;
2041 codec->time_base.num *= icodec->ticks_per_frame;
2042 av_reduce(&codec->time_base.num, &codec->time_base.den,
2043 codec->time_base.num, codec->time_base.den, INT_MAX);
2044 }else
2045 codec->time_base = ist->st->time_base;
2046 switch(codec->codec_type) {
2047 case AVMEDIA_TYPE_AUDIO:
2048 if(audio_volume != 256) {
2049 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2050 exit_program(1);
2051 }
2052 codec->channel_layout = icodec->channel_layout;
2053 codec->sample_rate = icodec->sample_rate;
2054 codec->channels = icodec->channels;
2055 codec->frame_size = icodec->frame_size;
2056 codec->audio_service_type = icodec->audio_service_type;
2057 codec->block_align= icodec->block_align;
2058 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2059 codec->block_align= 0;
2060 if(codec->codec_id == CODEC_ID_AC3)
2061 codec->block_align= 0;
2062 break;
2063 case AVMEDIA_TYPE_VIDEO:
2064 codec->pix_fmt = icodec->pix_fmt;
2065 codec->width = icodec->width;
2066 codec->height = icodec->height;
2067 codec->has_b_frames = icodec->has_b_frames;
2068 if (!codec->sample_aspect_ratio.num) {
2069 codec->sample_aspect_ratio =
2070 ost->st->sample_aspect_ratio =
2071 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2072 ist->st->codec->sample_aspect_ratio.num ?
2073 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2074 }
2075 break;
2076 case AVMEDIA_TYPE_SUBTITLE:
2077 codec->width = icodec->width;
2078 codec->height = icodec->height;
2079 break;
2080 case AVMEDIA_TYPE_DATA:
2081 break;
2082 default:
2083 abort();
2084 }
2085 } else {
2086 if (!ost->enc)
2087 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2088 switch(codec->codec_type) {
2089 case AVMEDIA_TYPE_AUDIO:
2090 ost->fifo= av_fifo_alloc(1024);
2091 if(!ost->fifo)
2092 goto fail;
2093 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2094 if (!codec->sample_rate) {
2095 codec->sample_rate = icodec->sample_rate;
2096 if (icodec->lowres)
2097 codec->sample_rate >>= icodec->lowres;
2098 }
2099 choose_sample_rate(ost->st, ost->enc);
2100 codec->time_base = (AVRational){1, codec->sample_rate};
2101 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2102 codec->sample_fmt = icodec->sample_fmt;
2103 choose_sample_fmt(ost->st, ost->enc);
2104 if (!codec->channels)
2105 codec->channels = icodec->channels;
2106 codec->channel_layout = icodec->channel_layout;
2107 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2108 codec->channel_layout = 0;
2109 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2110 icodec->request_channels = codec->channels;
2111 ist->decoding_needed = 1;
2112 ost->encoding_needed = 1;
2113 ost->resample_sample_fmt = icodec->sample_fmt;
2114 ost->resample_sample_rate = icodec->sample_rate;
2115 ost->resample_channels = icodec->channels;
2116 break;
2117 case AVMEDIA_TYPE_VIDEO:
2118 if (codec->pix_fmt == PIX_FMT_NONE)
2119 codec->pix_fmt = icodec->pix_fmt;
2120 choose_pixel_fmt(ost->st, ost->enc);
2121
2122 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2123 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2124 exit_program(1);
2125 }
2126
2127 if (!codec->width || !codec->height) {
2128 codec->width = icodec->width;
2129 codec->height = icodec->height;
2130 }
2131
2132 ost->video_resample = codec->width != icodec->width ||
2133 codec->height != icodec->height ||
2134 codec->pix_fmt != icodec->pix_fmt;
2135 if (ost->video_resample) {
2136#if !CONFIG_AVFILTER
2137 avcodec_get_frame_defaults(&ost->pict_tmp);
2138 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2139 codec->width, codec->height)) {
2140 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2141 exit_program(1);
2142 }
2143 ost->img_resample_ctx = sws_getContext(
2144 icodec->width,
2145 icodec->height,
2146 icodec->pix_fmt,
2147 codec->width,
2148 codec->height,
2149 codec->pix_fmt,
2150 ost->sws_flags, NULL, NULL, NULL);
2151 if (ost->img_resample_ctx == NULL) {
2152 fprintf(stderr, "Cannot get resampling context\n");
2153 exit_program(1);
2154 }
2155#endif
2156 codec->bits_per_raw_sample= 0;
2157 }
2158
2159 ost->resample_height = icodec->height;
2160 ost->resample_width = icodec->width;
2161 ost->resample_pix_fmt= icodec->pix_fmt;
2162 ost->encoding_needed = 1;
2163 ist->decoding_needed = 1;
2164
2165 if (!ost->frame_rate.num)
2166 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2167 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2168 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2169 ost->frame_rate = ost->enc->supported_framerates[idx];
2170 }
2171 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2172
2173#if CONFIG_AVFILTER
2174 if (configure_video_filters(ist, ost)) {
2175 fprintf(stderr, "Error opening filters!\n");
2176 exit(1);
2177 }
2178#endif
2179 break;
2180 case AVMEDIA_TYPE_SUBTITLE:
2181 ost->encoding_needed = 1;
2182 ist->decoding_needed = 1;
2183 break;
2184 default:
2185 abort();
2186 break;
2187 }
2188 /* two pass mode */
2189 if (ost->encoding_needed &&
2190 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2191 char logfilename[1024];
2192 FILE *f;
2193
2194 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2195 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2196 i);
2197 if (codec->flags & CODEC_FLAG_PASS1) {
2198 f = fopen(logfilename, "wb");
2199 if (!f) {
2200 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2201 exit_program(1);
2202 }
2203 ost->logfile = f;
2204 } else {
2205 char *logbuffer;
2206 size_t logbuffer_size;
2207 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2208 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2209 exit_program(1);
2210 }
2211 codec->stats_in = logbuffer;
2212 }
2213 }
2214 }
2215 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2216 int size= codec->width * codec->height;
2217 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2218 }
2219 }
2220
2221 if (!bit_buffer)
2222 bit_buffer = av_malloc(bit_buffer_size);
2223 if (!bit_buffer) {
2224 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2225 bit_buffer_size);
2226 ret = AVERROR(ENOMEM);
2227 goto fail;
2228 }
2229
2230 /* open each encoder */
2231 for(i=0;i<nb_ostreams;i++) {
2232 ost = ost_table[i];
2233 if (ost->encoding_needed) {
2234 AVCodec *codec = ost->enc;
2235 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2236 if (!codec) {
2237 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2238 ost->st->codec->codec_id, ost->file_index, ost->index);
2239 ret = AVERROR(EINVAL);
2240 goto dump_format;
2241 }
2242 if (dec->subtitle_header) {
2243 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2244 if (!ost->st->codec->subtitle_header) {
2245 ret = AVERROR(ENOMEM);
2246 goto dump_format;
2247 }
2248 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2249 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2250 }
2251 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2252 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2253 ost->file_index, ost->index);
2254 ret = AVERROR(EINVAL);
2255 goto dump_format;
2256 }
2257 assert_codec_experimental(ost->st->codec, 1);
2258 assert_avoptions(ost->opts);
2259 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2260 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2261 "It takes bits/s as argument, not kbits/s\n");
2262 extra_size += ost->st->codec->extradata_size;
2263 }
2264 }
2265
2266 /* open each decoder */
2267 for (i = 0; i < nb_input_streams; i++) {
2268 ist = &input_streams[i];
2269 if (ist->decoding_needed) {
2270 AVCodec *codec = ist->dec;
2271 if (!codec)
2272 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2273 if (!codec) {
2274 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2275 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2276 ret = AVERROR(EINVAL);
2277 goto dump_format;
2278 }
2279
2280 /* update requested sample format for the decoder based on the
2281 corresponding encoder sample format */
2282 for (j = 0; j < nb_ostreams; j++) {
2283 ost = ost_table[j];
2284 if (ost->source_index == i) {
2285 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2286 break;
2287 }
2288 }
2289
2290 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2291 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2292 ist->file_index, ist->st->index);
2293 ret = AVERROR(EINVAL);
2294 goto dump_format;
2295 }
2296 assert_codec_experimental(ist->st->codec, 0);
2297 assert_avoptions(ost->opts);
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2298 }
2299 }
2300
2301 /* init pts */
2302 for (i = 0; i < nb_input_streams; i++) {
2303 AVStream *st;
2304 ist = &input_streams[i];
2305 st= ist->st;
2306 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2307 ist->next_pts = AV_NOPTS_VALUE;
2308 init_pts_correction(&ist->pts_ctx);
2309 ist->is_start = 1;
2310 }
2311
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2312 /* open files and write file headers */
2313 for(i=0;i<nb_output_files;i++) {
2314 os = output_files[i];
2315 if (avformat_write_header(os, &output_opts[i]) < 0) {
2316 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2317 ret = AVERROR(EINVAL);
2318 goto dump_format;
2319 }
2320 assert_avoptions(output_opts[i]);
2321 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2322 want_sdp = 0;
2323 }
2324 }
2325
2326 dump_format:
2327 /* dump the file output parameters - cannot be done before in case
2328 of stream copy */
2329 for(i=0;i<nb_output_files;i++) {
2330 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2331 }
2332
2333 /* dump the stream mapping */
2334 if (verbose >= 0) {
2335 fprintf(stderr, "Stream mapping:\n");
2336 for(i=0;i<nb_ostreams;i++) {
2337 ost = ost_table[i];
2338 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2339 input_streams[ost->source_index].file_index,
2340 input_streams[ost->source_index].st->index,
2341 ost->file_index,
2342 ost->index);
2343 if (ost->sync_ist != &input_streams[ost->source_index])
2344 fprintf(stderr, " [sync #%d.%d]",
2345 ost->sync_ist->file_index,
2346 ost->sync_ist->st->index);
2347 fprintf(stderr, "\n");
2348 }
2349 }
2350
2351 if (ret) {
2352 fprintf(stderr, "%s\n", error);
2353 goto fail;
2354 }
2355
2356 if (want_sdp) {
2357 print_sdp(output_files, nb_output_files);
2358 }
2359
2360 if (verbose >= 0)
2361 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2362 term_init();
2363
2364 timer_start = av_gettime();
2365
2366 for(; received_sigterm == 0;) {
2367 int file_index, ist_index;
2368 AVPacket pkt;
2369 double ipts_min;
2370 double opts_min;
2371
2372 redo:
2373 ipts_min= 1e100;
2374 opts_min= 1e100;
2375
2376 /* select the stream that we must read now by looking at the
2377 smallest output pts */
2378 file_index = -1;
2379 for(i=0;i<nb_ostreams;i++) {
2380 double ipts, opts;
2381 ost = ost_table[i];
2382 os = output_files[ost->file_index];
2383 ist = &input_streams[ost->source_index];
2384 if(ist->is_past_recording_time || no_packet[ist->file_index])
2385 continue;
2386 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2387 ipts = (double)ist->pts;
2388 if (!input_files[ist->file_index].eof_reached){
2389 if(ipts < ipts_min) {
2390 ipts_min = ipts;
2391 if(input_sync ) file_index = ist->file_index;
2392 }
2393 if(opts < opts_min) {
2394 opts_min = opts;
2395 if(!input_sync) file_index = ist->file_index;
2396 }
2397 }
2398 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2399 file_index= -1;
2400 break;
2401 }
2402 }
2403 /* if none, if is finished */
2404 if (file_index < 0) {
2405 if(no_packet_count){
2406 no_packet_count=0;
2407 memset(no_packet, 0, sizeof(no_packet));
2408 usleep(10000);
2409 continue;
2410 }
2411 break;
2412 }
2413
2414 /* finish if limit size exhausted */
2415 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2416 break;
2417
2418 /* read a frame from it and output it in the fifo */
2419 is = input_files[file_index].ctx;
2420 ret= av_read_frame(is, &pkt);
2421 if(ret == AVERROR(EAGAIN)){
2422 no_packet[file_index]=1;
2423 no_packet_count++;
2424 continue;
2425 }
2426 if (ret < 0) {
2427 input_files[file_index].eof_reached = 1;
2428 if (opt_shortest)
2429 break;
2430 else
2431 continue;
2432 }
2433
2434 no_packet_count=0;
2435 memset(no_packet, 0, sizeof(no_packet));
2436
2437 if (do_pkt_dump) {
2438 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2439 is->streams[pkt.stream_index]);
2440 }
2441 /* the following test is needed in case new streams appear
2442 dynamically in stream : we ignore them */
2443 if (pkt.stream_index >= input_files[file_index].ctx->nb_streams)
2444 goto discard_packet;
2445 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2446 ist = &input_streams[ist_index];
2447 if (ist->discard)
2448 goto discard_packet;
2449
2450 if (pkt.dts != AV_NOPTS_VALUE)
2451 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2452 if (pkt.pts != AV_NOPTS_VALUE)
2453 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2454
2455 if (ist->ts_scale) {
2456 if(pkt.pts != AV_NOPTS_VALUE)
2457 pkt.pts *= ist->ts_scale;
2458 if(pkt.dts != AV_NOPTS_VALUE)
2459 pkt.dts *= ist->ts_scale;
2460 }
2461
2462// 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);
2463 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2464 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2465 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2466 int64_t delta= pkt_dts - ist->next_pts;
2467 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2468 input_files[ist->file_index].ts_offset -= delta;
2469 if (verbose > 2)
2470 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2471 delta, input_files[ist->file_index].ts_offset);
2472 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2473 if(pkt.pts != AV_NOPTS_VALUE)
2474 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2475 }
2476 }
2477
2478 /* finish if recording time exhausted */
2479 if (recording_time != INT64_MAX &&
2480 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2481 ist->is_past_recording_time = 1;
2482 goto discard_packet;
2483 }
2484
2485 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2486 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2487
2488 if (verbose >= 0)
2489 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2490 ist->file_index, ist->st->index);
2491 if (exit_on_error)
2492 exit_program(1);
2493 av_free_packet(&pkt);
2494 goto redo;
2495 }
2496
2497 discard_packet:
2498 av_free_packet(&pkt);
2499
2500 /* dump report by using the output first video and audio streams */
2501 print_report(output_files, ost_table, nb_ostreams, 0);
2502 }
2503
2504 /* at the end of stream, we must flush the decoder buffers */
2505 for (i = 0; i < nb_input_streams; i++) {
2506 ist = &input_streams[i];
2507 if (ist->decoding_needed) {
2508 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2509 }
2510 }
2511
2512 term_exit();
2513
2514 /* write the trailer if needed and close file */
2515 for(i=0;i<nb_output_files;i++) {
2516 os = output_files[i];
2517 av_write_trailer(os);
2518 }
2519
2520 /* dump report by using the first video and audio streams */
2521 print_report(output_files, ost_table, nb_ostreams, 1);
2522
2523 /* close each encoder */
2524 for(i=0;i<nb_ostreams;i++) {
2525 ost = ost_table[i];
2526 if (ost->encoding_needed) {
2527 av_freep(&ost->st->codec->stats_in);
2528 avcodec_close(ost->st->codec);
2529 }
2530#if CONFIG_AVFILTER
2531 avfilter_graph_free(&ost->graph);
2532#endif
2533 }
2534
2535 /* close each decoder */
2536 for (i = 0; i < nb_input_streams; i++) {
2537 ist = &input_streams[i];
2538 if (ist->decoding_needed) {
2539 avcodec_close(ist->st->codec);
2540 }
2541 }
2542
2543 /* finished ! */
2544 ret = 0;
2545
2546 fail:
2547 av_freep(&bit_buffer);
2548
2549 if (ost_table) {
2550 for(i=0;i<nb_ostreams;i++) {
2551 ost = ost_table[i];
2552 if (ost) {
2553 if (ost->st->stream_copy)
2554 av_freep(&ost->st->codec->extradata);
2555 if (ost->logfile) {
2556 fclose(ost->logfile);
2557 ost->logfile = NULL;
2558 }
2559 av_fifo_free(ost->fifo); /* works even if fifo is not
2560 initialized but set to zero */
2561 av_freep(&ost->st->codec->subtitle_header);
2562 av_free(ost->pict_tmp.data[0]);
2563 av_free(ost->forced_kf_pts);
2564 if (ost->video_resample)
2565 sws_freeContext(ost->img_resample_ctx);
2566 if (ost->resample)
2567 audio_resample_close(ost->resample);
2568 if (ost->reformat_ctx)
2569 av_audio_convert_free(ost->reformat_ctx);
2570 av_dict_free(&ost->opts);
2571 av_free(ost);
2572 }
2573 }
2574 av_free(ost_table);
2575 }
2576 return ret;
2577}
2578
2579static int opt_format(const char *opt, const char *arg)
2580{
2581 last_asked_format = arg;
2582 return 0;
2583}
2584
2585static int opt_video_rc_override_string(const char *opt, const char *arg)
2586{
2587 video_rc_override_string = arg;
2588 return 0;
2589}
2590
2591static int opt_me_threshold(const char *opt, const char *arg)
2592{
2593 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2594 return 0;
2595}
2596
2597static int opt_verbose(const char *opt, const char *arg)
2598{
2599 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2600 return 0;
2601}
2602
2603static int opt_frame_rate(const char *opt, const char *arg)
2604{
2605 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2606 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2607 exit_program(1);
2608 }
2609 return 0;
2610}
2611
2612static int opt_frame_crop(const char *opt, const char *arg)
2613{
2614 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2615 return AVERROR(EINVAL);
2616}
2617
2618static int opt_frame_size(const char *opt, const char *arg)
2619{
2620 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2621 fprintf(stderr, "Incorrect frame size\n");
2622 return AVERROR(EINVAL);
2623 }
2624 return 0;
2625}
2626
2627static int opt_pad(const char *opt, const char *arg) {
2628 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2629 return -1;
2630}
2631
2632static int opt_frame_pix_fmt(const char *opt, const char *arg)
2633{
2634 if (strcmp(arg, "list")) {
2635 frame_pix_fmt = av_get_pix_fmt(arg);
2636 if (frame_pix_fmt == PIX_FMT_NONE) {
2637 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2638 return AVERROR(EINVAL);
2639 }
2640 } else {
2641 show_pix_fmts();
2642 exit_program(0);
2643 }
2644 return 0;
2645}
2646
2647static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2648{
2649 int x = 0, y = 0;
2650 double ar = 0;
2651 const char *p;
2652 char *end;
2653
2654 p = strchr(arg, ':');
2655 if (p) {
2656 x = strtol(arg, &end, 10);
2657 if (end == p)
2658 y = strtol(end+1, &end, 10);
2659 if (x > 0 && y > 0)
2660 ar = (double)x / (double)y;
2661 } else
2662 ar = strtod(arg, NULL);
2663
2664 if (!ar) {
2665 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2666 return AVERROR(EINVAL);
2667 }
2668 frame_aspect_ratio = ar;
2669 return 0;
2670}
2671
2672static int opt_metadata(const char *opt, const char *arg)
2673{
2674 char *mid= strchr(arg, '=');
2675
2676 if(!mid){
2677 fprintf(stderr, "Missing =\n");
2678 exit_program(1);
2679 }
2680 *mid++= 0;
2681
2682 av_dict_set(&metadata, arg, mid, 0);
2683
2684 return 0;
2685}
2686
2687static int opt_qscale(const char *opt, const char *arg)
2688{
2689 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2690 if (video_qscale == 0) {
2691 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2692 return AVERROR(EINVAL);
2693 }
2694 return 0;
2695}
2696
2697static int opt_top_field_first(const char *opt, const char *arg)
2698{
2699 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2700 return 0;
2701}
2702
2703static int opt_thread_count(const char *opt, const char *arg)
2704{
2705 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2706#if !HAVE_THREADS
2707 if (verbose >= 0)
2708 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2709#endif
2710 return 0;
2711}
2712
2713static int opt_audio_sample_fmt(const char *opt, const char *arg)
2714{
2715 if (strcmp(arg, "list")) {
2716 audio_sample_fmt = av_get_sample_fmt(arg);
2717 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2718 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2719 return AVERROR(EINVAL);
2720 }
2721 } else {
2722 int i;
2723 char fmt_str[128];
2724 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2725 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2726 exit_program(0);
2727 }
2728 return 0;
2729}
2730
2731static int opt_audio_rate(const char *opt, const char *arg)
2732{
2733 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2734 return 0;
2735}
2736
2737static int opt_audio_channels(const char *opt, const char *arg)
2738{
2739 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2740 return 0;
2741}
2742
6291d7e4
AK
2743static int opt_codec(int *pstream_copy, char **pcodec_name,
2744 int codec_type, const char *arg)
2745{
2746 av_freep(pcodec_name);
2747 if (!strcmp(arg, "copy")) {
2748 *pstream_copy = 1;
2749 } else {
2750 *pcodec_name = av_strdup(arg);
2751 }
2752 return 0;
2753}
2754
2755static int opt_audio_codec(const char *opt, const char *arg)
2756{
2757 return opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
2758}
2759
2760static int opt_video_codec(const char *opt, const char *arg)
2761{
2762 return opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
2763}
2764
2765static int opt_subtitle_codec(const char *opt, const char *arg)
2766{
2767 return opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
2768}
2769
2770static int opt_data_codec(const char *opt, const char *arg)
2771{
2772 return opt_codec(&data_stream_copy, &data_codec_name, AVMEDIA_TYPE_DATA, arg);
2773}
2774
2775static int opt_codec_tag(const char *opt, const char *arg)
2776{
2777 char *tail;
2778 uint32_t *codec_tag;
2779
2780 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2781 !strcmp(opt, "vtag") ? &video_codec_tag :
2782 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2783 if (!codec_tag)
2784 return -1;
2785
2786 *codec_tag = strtol(arg, &tail, 0);
2787 if (!tail || *tail)
2788 *codec_tag = AV_RL32(arg);
2789
2790 return 0;
2791}
2792
2793static int opt_map(const char *opt, const char *arg)
2794{
8d2e4a7e
AK
2795 StreamMap *m = NULL;
2796 int i, negative = 0, file_idx;
2797 int sync_file_idx = -1, sync_stream_idx;
2798 char *p, *sync;
2799 char *map;
6291d7e4 2800
8d2e4a7e
AK
2801 if (*arg == '-') {
2802 negative = 1;
2803 arg++;
2804 }
2805 map = av_strdup(arg);
6291d7e4 2806
8d2e4a7e
AK
2807 /* parse sync stream first, just pick first matching stream */
2808 if (sync = strchr(map, ',')) {
2809 *sync = 0;
2810 sync_file_idx = strtol(sync + 1, &sync, 0);
2811 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2812 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2813 exit_program(1);
2814 }
2815 if (*sync)
2816 sync++;
2817 for (i = 0; i < input_files[sync_file_idx].ctx->nb_streams; i++)
2818 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2819 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2820 sync_stream_idx = i;
2821 break;
2822 }
2823 if (i == input_files[sync_file_idx].ctx->nb_streams) {
2824 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2825 "match any streams.\n", arg);
2826 exit_program(1);
2827 }
2828 }
6291d7e4 2829
8d2e4a7e
AK
2830
2831 file_idx = strtol(map, &p, 0);
2832 if (file_idx >= nb_input_files || file_idx < 0) {
2833 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2834 exit_program(1);
6291d7e4 2835 }
8d2e4a7e
AK
2836 if (negative)
2837 /* disable some already defined maps */
2838 for (i = 0; i < nb_stream_maps; i++) {
2839 m = &stream_maps[i];
2840 if (check_stream_specifier(input_files[m->file_index].ctx,
2841 input_files[m->file_index].ctx->streams[m->stream_index],
2842 *p == ':' ? p + 1 : p) > 0)
2843 m->disabled = 1;
2844 }
2845 else
2846 for (i = 0; i < input_files[file_idx].ctx->nb_streams; i++) {
2847 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2848 *p == ':' ? p + 1 : p) <= 0)
2849 continue;
2850 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2851 m = &stream_maps[nb_stream_maps - 1];
2852
2853 m->file_index = file_idx;
2854 m->stream_index = i;
2855
2856 if (sync_file_idx >= 0) {
2857 m->sync_file_index = sync_file_idx;
2858 m->sync_stream_index = sync_stream_idx;
2859 } else {
2860 m->sync_file_index = file_idx;
2861 m->sync_stream_index = i;
2862 }
2863 }
2864
2865 if (!m) {
2866 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2867 exit_program(1);
2868 }
2869
2870 av_freep(&map);
6291d7e4
AK
2871 return 0;
2872}
2873
e6e6060c 2874static void parse_meta_type(char *arg, char *type, int *index)
6291d7e4 2875{
e6e6060c 2876 if (*arg == ':') {
6291d7e4
AK
2877 *type = *(++arg);
2878 switch (*arg) {
2879 case 'g':
2880 break;
2881 case 's':
2882 case 'c':
2883 case 'p':
e6e6060c
AK
2884 if (*(++arg) == ':')
2885 *index = strtol(++arg, NULL, 0);
6291d7e4
AK
2886 break;
2887 default:
2888 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2889 exit_program(1);
2890 }
2891 } else
2892 *type = 'g';
2893}
2894
2895static int opt_map_metadata(const char *opt, const char *arg)
2896{
2897 MetadataMap *m, *m1;
2898 char *p;
2899
2900 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2901 &nb_meta_data_maps, nb_meta_data_maps + 1);
2902
e6e6060c 2903 m = &meta_data_maps[nb_meta_data_maps - 1][1];
6291d7e4 2904 m->file = strtol(arg, &p, 0);
e6e6060c 2905 parse_meta_type(p, &m->type, &m->index);
6291d7e4 2906
e6e6060c
AK
2907 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2908 if (p = strchr(opt, ':'))
2909 parse_meta_type(p, &m1->type, &m1->index);
2910 else
2911 m1->type = 'g';
6291d7e4
AK
2912
2913 if (m->type == 'g' || m1->type == 'g')
2914 metadata_global_autocopy = 0;
2915 if (m->type == 's' || m1->type == 's')
2916 metadata_streams_autocopy = 0;
2917 if (m->type == 'c' || m1->type == 'c')
2918 metadata_chapters_autocopy = 0;
2919
2920 return 0;
2921}
2922
6291d7e4
AK
2923static int opt_input_ts_scale(const char *opt, const char *arg)
2924{
2925 unsigned int stream;
2926 double scale;
2927 char *p;
2928
2929 stream = strtol(arg, &p, 0);
2930 if (*p)
2931 p++;
2932 scale= strtod(p, &p);
2933
2934 ts_scale = grow_array(ts_scale, sizeof(*ts_scale), &nb_ts_scale, stream + 1);
2935 ts_scale[stream] = scale;
2936 return 0;
2937}
2938
2939static int opt_recording_time(const char *opt, const char *arg)
2940{
2941 recording_time = parse_time_or_die(opt, arg, 1);
2942 return 0;
2943}
2944
2945static int opt_start_time(const char *opt, const char *arg)
2946{
2947 start_time = parse_time_or_die(opt, arg, 1);
2948 return 0;
2949}
2950
6291d7e4
AK
2951static int opt_input_ts_offset(const char *opt, const char *arg)
2952{
2953 input_ts_offset = parse_time_or_die(opt, arg, 1);
2954 return 0;
2955}
2956
2957static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2958{
2959 const char *codec_string = encoder ? "encoder" : "decoder";
2960 AVCodec *codec;
2961
2962 if(!name)
2963 return CODEC_ID_NONE;
2964 codec = encoder ?
2965 avcodec_find_encoder_by_name(name) :
2966 avcodec_find_decoder_by_name(name);
2967 if(!codec) {
2968 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2969 exit_program(1);
2970 }
2971 if(codec->type != type) {
2972 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2973 exit_program(1);
2974 }
2975 return codec->id;
2976}
2977
2978static int opt_input_file(const char *opt, const char *filename)
2979{
2980 AVFormatContext *ic;
2981 AVInputFormat *file_iformat = NULL;
2982 int err, i, ret, rfps, rfps_base;
2983 int64_t timestamp;
2984 uint8_t buf[128];
2985 AVDictionary **opts;
2986 int orig_nb_streams; // number of streams before avformat_find_stream_info
2987
2988 if (last_asked_format) {
2989 if (!(file_iformat = av_find_input_format(last_asked_format))) {
2990 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
2991 exit_program(1);
2992 }
2993 last_asked_format = NULL;
2994 }
2995
2996 if (!strcmp(filename, "-"))
2997 filename = "pipe:";
2998
2999 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3000 !strcmp(filename, "/dev/stdin");
3001
3002 /* get default parameters from command line */
3003 ic = avformat_alloc_context();
3004 if (!ic) {
3005 print_error(filename, AVERROR(ENOMEM));
3006 exit_program(1);
3007 }
3008 if (audio_sample_rate) {
3009 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3010 av_dict_set(&format_opts, "sample_rate", buf, 0);
3011 }
3012 if (audio_channels) {
3013 snprintf(buf, sizeof(buf), "%d", audio_channels);
3014 av_dict_set(&format_opts, "channels", buf, 0);
3015 }
3016 if (frame_rate.num) {
3017 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
3018 av_dict_set(&format_opts, "framerate", buf, 0);
3019 }
3020 if (frame_width && frame_height) {
3021 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
3022 av_dict_set(&format_opts, "video_size", buf, 0);
3023 }
3024 if (frame_pix_fmt != PIX_FMT_NONE)
3025 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
3026
3027 ic->video_codec_id =
3028 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0);
3029 ic->audio_codec_id =
3030 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0);
3031 ic->subtitle_codec_id=
3032 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0);
3033 ic->flags |= AVFMT_FLAG_NONBLOCK;
3034
3035 /* open the input file with generic libav function */
3036 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3037 if (err < 0) {
3038 print_error(filename, err);
3039 exit_program(1);
3040 }
3041 assert_avoptions(format_opts);
3042
3043 if(opt_programid) {
3044 int i, j;
3045 int found=0;
3046 for(i=0; i<ic->nb_streams; i++){
3047 ic->streams[i]->discard= AVDISCARD_ALL;
3048 }
3049 for(i=0; i<ic->nb_programs; i++){
3050 AVProgram *p= ic->programs[i];
3051 if(p->id != opt_programid){
3052 p->discard = AVDISCARD_ALL;
3053 }else{
3054 found=1;
3055 for(j=0; j<p->nb_stream_indexes; j++){
3056 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3057 }
3058 }
3059 }
3060 if(!found){
3061 fprintf(stderr, "Specified program id not found\n");
3062 exit_program(1);
3063 }
3064 opt_programid=0;
3065 }
3066
6291d7e4
AK
3067 /* Set AVCodecContext options for avformat_find_stream_info */
3068 opts = setup_find_stream_info_opts(ic, codec_opts);
3069 orig_nb_streams = ic->nb_streams;
3070
3071 /* If not enough info to get the stream parameters, we decode the
3072 first frames to get it. (used in mpeg case for example) */
3073 ret = avformat_find_stream_info(ic, opts);
3074 if (ret < 0 && verbose >= 0) {
3075 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3076 av_close_input_file(ic);
3077 exit_program(1);
3078 }
3079
3080 timestamp = start_time;
3081 /* add the stream start time */
3082 if (ic->start_time != AV_NOPTS_VALUE)
3083 timestamp += ic->start_time;
3084
3085 /* if seeking requested, we execute it */
3086 if (start_time != 0) {
3087 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3088 if (ret < 0) {
3089 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3090 filename, (double)timestamp / AV_TIME_BASE);
3091 }
3092 /* reset seek info */
3093 start_time = 0;
3094 }
3095
3096 /* update the current parameters so that they match the one of the input stream */
3097 for(i=0;i<ic->nb_streams;i++) {
3098 AVStream *st = ic->streams[i];
3099 AVCodecContext *dec = st->codec;
3100 InputStream *ist;
3101
3102 dec->thread_count = thread_count;
3103
3104 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3105 ist = &input_streams[nb_input_streams - 1];
3106 ist->st = st;
3107 ist->file_index = nb_input_files;
3108 ist->discard = 1;
d4863fc1 3109 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
6291d7e4
AK
3110
3111 if (i < nb_ts_scale)
3112 ist->ts_scale = ts_scale[i];
3113
3114 switch (dec->codec_type) {
3115 case AVMEDIA_TYPE_AUDIO:
3116 ist->dec = avcodec_find_decoder_by_name(audio_codec_name);
3117 if(audio_disable)
3118 st->discard= AVDISCARD_ALL;
3119 break;
3120 case AVMEDIA_TYPE_VIDEO:
3121 ist->dec = avcodec_find_decoder_by_name(video_codec_name);
3122 rfps = ic->streams[i]->r_frame_rate.num;
3123 rfps_base = ic->streams[i]->r_frame_rate.den;
3124 if (dec->lowres) {
3125 dec->flags |= CODEC_FLAG_EMU_EDGE;
3126 dec->height >>= dec->lowres;
3127 dec->width >>= dec->lowres;
3128 }
3129 if(me_threshold)
3130 dec->debug |= FF_DEBUG_MV;
3131
3132 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3133
3134 if (verbose >= 0)
3135 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3136 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3137
3138 (float)rfps / rfps_base, rfps, rfps_base);
3139 }
3140
3141 if(video_disable)
3142 st->discard= AVDISCARD_ALL;
3143 else if(video_discard)
3144 st->discard= video_discard;
3145 break;
3146 case AVMEDIA_TYPE_DATA:
3147 break;
3148 case AVMEDIA_TYPE_SUBTITLE:
3149 ist->dec = avcodec_find_decoder_by_name(subtitle_codec_name);
3150 if(subtitle_disable)
3151 st->discard = AVDISCARD_ALL;
3152 break;
3153 case AVMEDIA_TYPE_ATTACHMENT:
3154 case AVMEDIA_TYPE_UNKNOWN:
3155 break;
3156 default:
3157 abort();
3158 }
3159 }
3160
3161 /* dump the file content */
3162 if (verbose >= 0)
3163 av_dump_format(ic, nb_input_files, filename, 0);
3164
3165 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3166 input_files[nb_input_files - 1].ctx = ic;
3167 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3168 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3169
3170 frame_rate = (AVRational){0, 0};
3171 frame_pix_fmt = PIX_FMT_NONE;
3172 frame_height = 0;
3173 frame_width = 0;
3174 audio_sample_rate = 0;
3175 audio_channels = 0;
3176 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3177 av_freep(&ts_scale);
3178 nb_ts_scale = 0;
3179
3180 for (i = 0; i < orig_nb_streams; i++)
3181 av_dict_free(&opts[i]);
3182 av_freep(&opts);
3183 av_freep(&video_codec_name);
3184 av_freep(&audio_codec_name);
3185 av_freep(&subtitle_codec_name);
3186 uninit_opts();
3187 init_opts();
3188 return 0;
3189}
3190
3d4f0dab 3191static OutputStream *new_video_stream(AVFormatContext *oc, int file_idx)
6291d7e4
AK
3192{
3193 AVStream *st;
3194 OutputStream *ost;
3195 AVCodecContext *video_enc;
3196 enum CodecID codec_id = CODEC_ID_NONE;
3197 AVCodec *codec= NULL;
3198
3199 if(!video_stream_copy){
3200 if (video_codec_name) {
3201 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1);
3202 codec = avcodec_find_encoder_by_name(video_codec_name);
3203 } else {
3204 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3205 codec = avcodec_find_encoder(codec_id);
3206 }
3207 }
3208
3209 ost = new_output_stream(oc, file_idx, codec);
3210 st = ost->st;
3211 if (!video_stream_copy) {
3212 ost->frame_aspect_ratio = frame_aspect_ratio;
3213 frame_aspect_ratio = 0;
3214#if CONFIG_AVFILTER
3215 ost->avfilter= vfilters;
3216 vfilters = NULL;
3217#endif
3218 }
3219
3220 ost->bitstream_filters = video_bitstream_filters;
3221 video_bitstream_filters= NULL;
3222
3223 st->codec->thread_count= thread_count;
3224
3225 video_enc = st->codec;
3226
3227 if(video_codec_tag)
3228 video_enc->codec_tag= video_codec_tag;
3229
3230 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3231 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3232 }
3233
3234 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3235 if (video_stream_copy) {
3236 st->stream_copy = 1;
3237 video_enc->sample_aspect_ratio =
3238 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3239 } else {
3240 const char *p;
3241 int i;
3242
3243 if (frame_rate.num)
3244 ost->frame_rate = frame_rate;
3245 video_enc->codec_id = codec_id;
3246
3247 video_enc->width = frame_width;
3248 video_enc->height = frame_height;
3249 video_enc->pix_fmt = frame_pix_fmt;
3250 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3251
3252 if (intra_only)
3253 video_enc->gop_size = 0;
3254 if (video_qscale || same_quality) {
3255 video_enc->flags |= CODEC_FLAG_QSCALE;
3256 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3257 }
3258
3259 if(intra_matrix)
3260 video_enc->intra_matrix = intra_matrix;
3261 if(inter_matrix)
3262 video_enc->inter_matrix = inter_matrix;
3263
3264 p= video_rc_override_string;
3265 for(i=0; p; i++){
3266 int start, end, q;
3267 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3268 if(e!=3){
3269 fprintf(stderr, "error parsing rc_override\n");
3270 exit_program(1);
3271 }
3272 video_enc->rc_override=
3273 av_realloc(video_enc->rc_override,
3274 sizeof(RcOverride)*(i+1));
3275 video_enc->rc_override[i].start_frame= start;
3276 video_enc->rc_override[i].end_frame = end;
3277 if(q>0){
3278 video_enc->rc_override[i].qscale= q;
3279 video_enc->rc_override[i].quality_factor= 1.0;
3280 }
3281 else{
3282 video_enc->rc_override[i].qscale= 0;
3283 video_enc->rc_override[i].quality_factor= -q/100.0;
3284 }
3285 p= strchr(p, '/');
3286 if(p) p++;
3287 }
3288 video_enc->rc_override_count=i;
3289 if (!video_enc->rc_initial_buffer_occupancy)
3290 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3291 video_enc->me_threshold= me_threshold;
3292 video_enc->intra_dc_precision= intra_dc_precision - 8;
3293
3294 if (do_psnr)
3295 video_enc->flags|= CODEC_FLAG_PSNR;
3296
3297 /* two pass mode */
3298 if (do_pass) {
3299 if (do_pass == 1) {
3300 video_enc->flags |= CODEC_FLAG_PASS1;
3301 } else {
3302 video_enc->flags |= CODEC_FLAG_PASS2;
3303 }
3304 }
3305
3306 if (forced_key_frames)
3307 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3308 }
3309 if (video_language) {
3310 av_dict_set(&st->metadata, "language", video_language, 0);
3311 av_freep(&video_language);
3312 }
3313
3314 /* reset some key parameters */
3315 video_disable = 0;
3316 av_freep(&video_codec_name);
3317 av_freep(&forced_key_frames);
3318 video_stream_copy = 0;
3319 frame_pix_fmt = PIX_FMT_NONE;
3d4f0dab 3320 return ost;
6291d7e4
AK
3321}
3322
3d4f0dab 3323static OutputStream *new_audio_stream(AVFormatContext *oc, int file_idx)
6291d7e4
AK
3324{
3325 AVStream *st;
3326 OutputStream *ost;
3327 AVCodec *codec= NULL;
3328 AVCodecContext *audio_enc;
3329 enum CodecID codec_id = CODEC_ID_NONE;
3330
3331 if(!audio_stream_copy){
3332 if (audio_codec_name) {
3333 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1);
3334 codec = avcodec_find_encoder_by_name(audio_codec_name);
3335 } else {
3336 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3337 codec = avcodec_find_encoder(codec_id);
3338 }
3339 }
3340 ost = new_output_stream(oc, file_idx, codec);
3341 st = ost->st;
3342
3343 ost->bitstream_filters = audio_bitstream_filters;
3344 audio_bitstream_filters= NULL;
3345
3346 st->codec->thread_count= thread_count;
3347
3348 audio_enc = st->codec;
3349 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3350
3351 if(audio_codec_tag)
3352 audio_enc->codec_tag= audio_codec_tag;
3353
3354 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3355 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3356 }
3357 if (audio_stream_copy) {
3358 st->stream_copy = 1;
3359 } else {
3360 audio_enc->codec_id = codec_id;
3361
3362 if (audio_qscale > QSCALE_NONE) {
3363 audio_enc->flags |= CODEC_FLAG_QSCALE;
3364 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3365 }
3366 if (audio_channels)
3367 audio_enc->channels = audio_channels;
3368 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3369 audio_enc->sample_fmt = audio_sample_fmt;
3370 if (audio_sample_rate)
3371 audio_enc->sample_rate = audio_sample_rate;
3372 }
3373 if (audio_language) {
3374 av_dict_set(&st->metadata, "language", audio_language, 0);
3375 av_freep(&audio_language);
3376 }
3377
3378 /* reset some key parameters */
3379 audio_disable = 0;
3380 av_freep(&audio_codec_name);
3381 audio_stream_copy = 0;
3d4f0dab
AK
3382
3383 return ost;
6291d7e4
AK
3384}
3385
3d4f0dab 3386static OutputStream *new_data_stream(AVFormatContext *oc, int file_idx)
6291d7e4
AK
3387{
3388 AVStream *st;
3389 OutputStream *ost;
3390 AVCodecContext *data_enc;
3391
3392 ost = new_output_stream(oc, file_idx, NULL);
3393 st = ost->st;
3394 data_enc = st->codec;
3395 if (!data_stream_copy) {
3396 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3397 exit_program(1);
3398 }
3399
3400 data_enc->codec_type = AVMEDIA_TYPE_DATA;
3401
3402 if (data_codec_tag)
3403 data_enc->codec_tag= data_codec_tag;
3404
3405 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3406 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3407 }
3408 if (data_stream_copy) {
3409 st->stream_copy = 1;
3410 }
3411
3412 data_disable = 0;
3413 av_freep(&data_codec_name);
3414 data_stream_copy = 0;
3d4f0dab 3415 return ost;
6291d7e4
AK
3416}
3417
3d4f0dab 3418static OutputStream *new_subtitle_stream(AVFormatContext *oc, int file_idx)
6291d7e4
AK
3419{
3420 AVStream *st;
3421 OutputStream *ost;
3422 AVCodec *codec=NULL;
3423 AVCodecContext *subtitle_enc;
3424 enum CodecID codec_id = CODEC_ID_NONE;
3425
3426 if(!subtitle_stream_copy){
3427 if (subtitle_codec_name) {
3428 codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1);
3429 codec = avcodec_find_encoder_by_name(subtitle_codec_name);
3430 } else {
3431 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE);
3432 codec = avcodec_find_encoder(codec_id);
3433 }
3434 }
3435 ost = new_output_stream(oc, file_idx, codec);
3436 st = ost->st;
3437 subtitle_enc = st->codec;
3438
3439 ost->bitstream_filters = subtitle_bitstream_filters;
3440 subtitle_bitstream_filters= NULL;
3441
3442 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3443
3444 if(subtitle_codec_tag)
3445 subtitle_enc->codec_tag= subtitle_codec_tag;
3446
3447 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3448 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3449 }
3450 if (subtitle_stream_copy) {
3451 st->stream_copy = 1;
3452 } else {
3453 subtitle_enc->codec_id = codec_id;
3454 }
3455
3456 if (subtitle_language) {
3457 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3458 av_freep(&subtitle_language);
3459 }
3460
3461 subtitle_disable = 0;
3462 av_freep(&subtitle_codec_name);
3463 subtitle_stream_copy = 0;
3d4f0dab 3464 return ost;
6291d7e4
AK
3465}
3466
3467/* arg format is "output-stream-index:streamid-value". */
3468static int opt_streamid(const char *opt, const char *arg)
3469{
3470 int idx;
3471 char *p;
3472 char idx_str[16];
3473
3474 av_strlcpy(idx_str, arg, sizeof(idx_str));
3475 p = strchr(idx_str, ':');
3476 if (!p) {
3477 fprintf(stderr,
3478 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3479 arg, opt);
3480 exit_program(1);
3481 }
3482 *p++ = '\0';
3483 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3484 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3485 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3486 return 0;
3487}
3488
3489static void opt_output_file(const char *filename)
3490{
3491 AVFormatContext *oc;
3d4f0dab 3492 int i, err;
6291d7e4 3493 AVOutputFormat *file_oformat;
3d4f0dab
AK
3494 OutputStream *ost;
3495 InputStream *ist;
6291d7e4
AK
3496
3497 if (!strcmp(filename, "-"))
3498 filename = "pipe:";
3499
3500 oc = avformat_alloc_context();
3501 if (!oc) {
3502 print_error(filename, AVERROR(ENOMEM));
3503 exit_program(1);
3504 }
3505
3506 if (last_asked_format) {
3507 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3508 if (!file_oformat) {
3509 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3510 exit_program(1);
3511 }
3512 last_asked_format = NULL;
3513 } else {
3514 file_oformat = av_guess_format(NULL, filename, NULL);
3515 if (!file_oformat) {
3516 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3517 filename);
3518 exit_program(1);
3519 }
3520 }
3521
3522 oc->oformat = file_oformat;
3523 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3524
3525 if (!strcmp(file_oformat->name, "ffm") &&
3526 av_strstart(filename, "http:", NULL)) {
3527 /* special case for files sent to avserver: we get the stream
3528 parameters from avserver */
3529 int err = read_avserver_streams(oc, filename);
3530 if (err < 0) {
3531 print_error(filename, err);
3532 exit_program(1);
3533 }
3d4f0dab
AK
3534 } else if (!nb_stream_maps) {
3535 /* pick the "best" stream of each type */
3536#define NEW_STREAM(type, index)\
3537 if (index >= 0) {\
3538 ost = new_ ## type ## _stream(oc, nb_output_files);\
3539 ost->source_index = index;\
3540 ost->sync_ist = &input_streams[index];\
3541 input_streams[index].discard = 0;\
3542 }
3543
3544 /* video: highest resolution */
3545 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3546 int area = 0, idx = -1;
3547 for (i = 0; i < nb_input_streams; i++) {
3548 ist = &input_streams[i];
3549 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3550 ist->st->codec->width * ist->st->codec->height > area) {
3551 area = ist->st->codec->width * ist->st->codec->height;
3552 idx = i;
3553 }
3554 }
3555 NEW_STREAM(video, idx);
3556 }
3557
3558 /* audio: most channels */
3559 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3560 int channels = 0, idx = -1;
3561 for (i = 0; i < nb_input_streams; i++) {
3562 ist = &input_streams[i];
3563 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3564 ist->st->codec->channels > channels) {
3565 channels = ist->st->codec->channels;
3566 idx = i;
3567 }
3568 }
3569 NEW_STREAM(audio, idx);
3570 }
3571
3572 /* subtitles: pick first */
3573 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3574 for (i = 0; i < nb_input_streams; i++)
3575 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3576 NEW_STREAM(subtitle, i);
3577 break;
3578 }
3579 }
3580 /* do something with data? */
6291d7e4 3581 } else {
3d4f0dab
AK
3582 for (i = 0; i < nb_stream_maps; i++) {
3583 StreamMap *map = &stream_maps[i];
3d4f0dab 3584
8d2e4a7e
AK
3585 if (map->disabled)
3586 continue;
3d4f0dab
AK
3587
3588 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3589 switch (ist->st->codec->codec_type) {
3590 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc, nb_output_files); break;
3591 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc, nb_output_files); break;
3592 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc, nb_output_files); break;
3593 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc, nb_output_files); break;
3594 default:
3595 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3596 map->file_index, map->stream_index);
3597 exit_program(1);
3598 }
3599
3600 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3601 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3602 map->sync_stream_index];
3603 ist->discard = 0;
3604 }
6291d7e4
AK
3605 }
3606
3d4f0dab
AK
3607 av_dict_copy(&oc->metadata, metadata, 0);
3608 av_dict_free(&metadata);
3609
6291d7e4
AK
3610 av_dict_copy(&output_opts[nb_output_files], format_opts, 0);
3611 output_files[nb_output_files++] = oc;
3612
3613 /* check filename in case of an image number is expected */
3614 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3615 if (!av_filename_number_test(oc->filename)) {
3616 print_error(oc->filename, AVERROR(EINVAL));
3617 exit_program(1);
3618 }
3619 }
3620
3621 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3622 /* test if it already exists to avoid loosing precious files */
3623 if (!file_overwrite &&
3624 (strchr(filename, ':') == NULL ||
3625 filename[1] == ':' ||
3626 av_strstart(filename, "file:", NULL))) {
3627 if (avio_check(filename, 0) == 0) {
3628 if (!using_stdin) {
3629 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3630 fflush(stderr);
3631 if (!read_yesno()) {
3632 fprintf(stderr, "Not overwriting - exiting\n");
3633 exit_program(1);
3634 }
3635 }
3636 else {
3637 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3638 exit_program(1);
3639 }
3640 }
3641 }
3642
3643 /* open the file */
3644 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3645 print_error(filename, err);
3646 exit_program(1);
3647 }
3648 }
3649
3650 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3651 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
6291d7e4
AK
3652 oc->flags |= AVFMT_FLAG_NONBLOCK;
3653
b9aac90b
AK
3654 /* copy chapters */
3655 if (chapters_input_file >= nb_input_files) {
3656 if (chapters_input_file == INT_MAX) {
3657 /* copy chapters from the first input file that has them*/
3658 chapters_input_file = -1;
3659 for (i = 0; i < nb_input_files; i++)
3660 if (input_files[i].ctx->nb_chapters) {
3661 chapters_input_file = i;
3662 break;
3663 }
3664 } else {
3665 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3666 chapters_input_file);
3667 exit_program(1);
3668 }
3669 }
3670 if (chapters_input_file >= 0)
3671 copy_chapters(chapters_input_file, nb_output_files - 1);
3672
e6e6060c
AK
3673 /* copy metadata */
3674 for (i = 0; i < nb_meta_data_maps; i++) {
3675 AVFormatContext *files[2];
3676 AVDictionary **meta[2];
3677 int j;
3678
3679#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3680 if ((index) < 0 || (index) >= (nb_elems)) {\
3681 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3682 (desc), (index));\
3683 exit_program(1);\
3684 }
3685
3686 int in_file_index = meta_data_maps[i][1].file;
3687 if (in_file_index < 0)
3688 continue;
3689 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3690
3691 files[0] = oc;
3692 files[1] = input_files[in_file_index].ctx;
3693
3694 for (j = 0; j < 2; j++) {
3695 MetadataMap *map = &meta_data_maps[i][j];
3696
3697 switch (map->type) {
3698 case 'g':
3699 meta[j] = &files[j]->metadata;
3700 break;
3701 case 's':
3702 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3703 meta[j] = &files[j]->streams[map->index]->metadata;
3704 break;
3705 case 'c':
3706 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3707 meta[j] = &files[j]->chapters[map->index]->metadata;
3708 break;
3709 case 'p':
3710 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3711 meta[j] = &files[j]->programs[map->index]->metadata;
3712 break;
3713 }
3714 }
3715
3716 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3717 }
3718
3719 /* copy global metadata by default */
3720 if (metadata_global_autocopy)
3721 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3722 AV_DICT_DONT_OVERWRITE);
3723 if (metadata_streams_autocopy)
3724 for (i = 0; i < oc->nb_streams; i++) {
3725 InputStream *ist = &input_streams[output_streams_for_file[nb_output_files-1][i]->source_index];
3726 av_dict_copy(&oc->streams[i]->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3727 }
3728
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3729 frame_rate = (AVRational){0, 0};
3730 frame_width = 0;
3731 frame_height = 0;
3732 audio_sample_rate = 0;
3733 audio_channels = 0;
3734 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
b9aac90b 3735 chapters_input_file = INT_MAX;
6291d7e4 3736
e6e6060c
AK
3737 av_freep(&meta_data_maps);
3738 nb_meta_data_maps = 0;
3739 metadata_global_autocopy = 1;
3740 metadata_streams_autocopy = 1;
3741 metadata_chapters_autocopy = 1;
3d4f0dab
AK
3742 av_freep(&stream_maps);
3743 nb_stream_maps = 0;
e6e6060c 3744
6291d7e4
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3745 av_freep(&forced_key_frames);
3746 uninit_opts();
3747 init_opts();
3748}
3749
3750/* same option as mencoder */
3751static int opt_pass(const char *opt, const char *arg)
3752{
3753 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3754 return 0;
3755}
3756
3757static int64_t getutime(void)
3758{
3759#if HAVE_GETRUSAGE
3760 struct rusage rusage;
3761
3762 getrusage(RUSAGE_SELF, &rusage);
3763 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3764#elif HAVE_GETPROCESSTIMES
3765 HANDLE proc;
3766 FILETIME c, e, k, u;
3767 proc = GetCurrentProcess();
3768 GetProcessTimes(proc, &c, &e, &k, &u);
3769 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3770#else
3771 return av_gettime();
3772#endif
3773}
3774
3775static int64_t getmaxrss(void)
3776{
3777#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3778 struct rusage rusage;
3779 getrusage(RUSAGE_SELF, &rusage);
3780 return (int64_t)rusage.ru_maxrss * 1024;
3781#elif HAVE_GETPROCESSMEMORYINFO
3782 HANDLE proc;
3783 PROCESS_MEMORY_COUNTERS memcounters;
3784 proc = GetCurrentProcess();
3785 memcounters.cb = sizeof(memcounters);
3786 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3787 return memcounters.PeakPagefileUsage;
3788#else
3789 return 0;
3790#endif
3791}
3792
3793static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3794{
3795 int i;
3796 const char *p = str;
3797 for(i = 0;; i++) {
3798 dest[i] = atoi(p);
3799 if(i == 63)
3800 break;
3801 p = strchr(p, ',');
3802 if(!p) {
3803 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3804 exit_program(1);
3805 }
3806 p++;
3807 }
3808}
3809
3810static void opt_inter_matrix(const char *arg)
3811{
3812 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3813 parse_matrix_coeffs(inter_matrix, arg);
3814}
3815
3816static void opt_intra_matrix(const char *arg)
3817{
3818 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3819 parse_matrix_coeffs(intra_matrix, arg);
3820}
3821
3822static void show_usage(void)
3823{
3824 printf("Hyper fast Audio and Video encoder\n");
3825 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3826 printf("\n");
3827}
3828
3829static void show_help(void)
3830{
3831 AVCodec *c;
3832 AVOutputFormat *oformat = NULL;
3833 AVInputFormat *iformat = NULL;
3834
3835 av_log_set_callback(log_callback_help);
3836 show_usage();
3837 show_help_options(options, "Main options:\n",
3838 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3839 show_help_options(options, "\nAdvanced options:\n",
3840 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3841 OPT_EXPERT);
3842 show_help_options(options, "\nVideo options:\n",
3843 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3844 OPT_VIDEO);
3845 show_help_options(options, "\nAdvanced Video options:\n",
3846 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3847 OPT_VIDEO | OPT_EXPERT);
3848 show_help_options(options, "\nAudio options:\n",
3849 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3850 OPT_AUDIO);
3851 show_help_options(options, "\nAdvanced Audio options:\n",
3852 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3853 OPT_AUDIO | OPT_EXPERT);
3854 show_help_options(options, "\nSubtitle options:\n",
3855 OPT_SUBTITLE | OPT_GRAB,
3856 OPT_SUBTITLE);
3857 show_help_options(options, "\nAudio/Video grab options:\n",
3858 OPT_GRAB,
3859 OPT_GRAB);
3860 printf("\n");
3861 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3862 printf("\n");
3863
3864 /* individual codec options */
3865 c = NULL;
3866 while ((c = av_codec_next(c))) {
3867 if (c->priv_class) {
3868 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3869 printf("\n");
3870 }
3871 }
3872
3873 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3874 printf("\n");
3875
3876 /* individual muxer options */
3877 while ((oformat = av_oformat_next(oformat))) {
3878 if (oformat->priv_class) {
3879 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3880 printf("\n");
3881 }
3882 }
3883
3884 /* individual demuxer options */
3885 while ((iformat = av_iformat_next(iformat))) {
3886 if (iformat->priv_class) {
3887 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3888 printf("\n");
3889 }
3890 }
3891
3892 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3893}
3894
3895static int opt_target(const char *opt, const char *arg)
3896{
3897 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3898 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3899
3900 if(!strncmp(arg, "pal-", 4)) {
3901 norm = PAL;
3902 arg += 4;
3903 } else if(!strncmp(arg, "ntsc-", 5)) {
3904 norm = NTSC;
3905 arg += 5;
3906 } else if(!strncmp(arg, "film-", 5)) {
3907 norm = FILM;
3908 arg += 5;
3909 } else {
3910 int fr;
3911 /* Calculate FR via float to avoid int overflow */
3912 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3913 if(fr == 25000) {
3914 norm = PAL;
3915 } else if((fr == 29970) || (fr == 23976)) {
3916 norm = NTSC;
3917 } else {
3918 /* Try to determine PAL/NTSC by peeking in the input files */
3919 if(nb_input_files) {
3920 int i, j;
3921 for (j = 0; j < nb_input_files; j++) {
3922 for (i = 0; i < input_files[j].ctx->nb_streams; i++) {
3923 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3924 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3925 continue;
3926 fr = c->time_base.den * 1000 / c->time_base.num;
3927 if(fr == 25000) {
3928 norm = PAL;
3929 break;
3930 } else if((fr == 29970) || (fr == 23976)) {
3931 norm = NTSC;
3932 break;
3933 }
3934 }
3935 if(norm != UNKNOWN)
3936 break;
3937 }
3938 }
3939 }
3940 if(verbose > 0 && norm != UNKNOWN)
3941 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3942 }
3943
3944 if(norm == UNKNOWN) {
3945 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3946 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3947 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3948 exit_program(1);
3949 }
3950
3951 if(!strcmp(arg, "vcd")) {
3952 opt_video_codec("vcodec", "mpeg1video");
3953 opt_audio_codec("vcodec", "mp2");
3954 opt_format("f", "vcd");
3955
3956 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
3957 opt_frame_rate("r", frame_rates[norm]);
3958 opt_default("g", norm == PAL ? "15" : "18");
3959
3960 opt_default("b", "1150000");
3961 opt_default("maxrate", "1150000");
3962 opt_default("minrate", "1150000");
3963 opt_default("bufsize", "327680"); // 40*1024*8;
3964
3965 opt_default("ab", "224000");
3966 audio_sample_rate = 44100;
3967 audio_channels = 2;
3968
3969 opt_default("packetsize", "2324");
3970 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3971
3972 /* We have to offset the PTS, so that it is consistent with the SCR.
3973 SCR starts at 36000, but the first two packs contain only padding
3974 and the first pack from the other stream, respectively, may also have
3975 been written before.
3976 So the real data starts at SCR 36000+3*1200. */
3977 mux_preload= (36000+3*1200) / 90000.0; //0.44
3978 } else if(!strcmp(arg, "svcd")) {
3979
3980 opt_video_codec("vcodec", "mpeg2video");
3981 opt_audio_codec("acodec", "mp2");
3982 opt_format("f", "svcd");
3983
3984 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
3985 opt_frame_rate("r", frame_rates[norm]);
3986 opt_default("g", norm == PAL ? "15" : "18");
3987
3988 opt_default("b", "2040000");
3989 opt_default("maxrate", "2516000");
3990 opt_default("minrate", "0"); //1145000;
3991 opt_default("bufsize", "1835008"); //224*1024*8;
3992 opt_default("flags", "+scan_offset");
3993
3994
3995 opt_default("ab", "224000");
3996 audio_sample_rate = 44100;
3997
3998 opt_default("packetsize", "2324");
3999
4000 } else if(!strcmp(arg, "dvd")) {
4001
4002 opt_video_codec("vcodec", "mpeg2video");
4003 opt_audio_codec("vcodec", "ac3");
4004 opt_format("f", "dvd");
4005
4006 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
4007 opt_frame_rate("r", frame_rates[norm]);
4008 opt_default("g", norm == PAL ? "15" : "18");
4009
4010 opt_default("b", "6000000");
4011 opt_default("maxrate", "9000000");
4012 opt_default("minrate", "0"); //1500000;
4013 opt_default("bufsize", "1835008"); //224*1024*8;
4014
4015 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4016 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4017
4018 opt_default("ab", "448000");
4019 audio_sample_rate = 48000;
4020
4021 } else if(!strncmp(arg, "dv", 2)) {
4022
4023 opt_format("f", "dv");
4024
4025 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4026 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4027 norm == PAL ? "yuv420p" : "yuv411p");
4028 opt_frame_rate("r", frame_rates[norm]);
4029
4030 audio_sample_rate = 48000;
4031 audio_channels = 2;
4032
4033 } else {
4034 fprintf(stderr, "Unknown target: %s\n", arg);
4035 return AVERROR(EINVAL);
4036 }
4037 return 0;
4038}
4039
4040static int opt_vstats_file(const char *opt, const char *arg)
4041{
4042 av_free (vstats_filename);
4043 vstats_filename=av_strdup (arg);
4044 return 0;
4045}
4046
4047static int opt_vstats(const char *opt, const char *arg)
4048{
4049 char filename[40];
4050 time_t today2 = time(NULL);
4051 struct tm *today = localtime(&today2);
4052
4053 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4054 today->tm_sec);
4055 return opt_vstats_file(opt, filename);
4056}
4057
4058static int opt_bsf(const char *opt, const char *arg)
4059{
4060 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4061 AVBitStreamFilterContext **bsfp;
4062
4063 if(!bsfc){
4064 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4065 exit_program(1);
4066 }
4067
4068 bsfp= *opt == 'v' ? &video_bitstream_filters :
4069 *opt == 'a' ? &audio_bitstream_filters :
4070 &subtitle_bitstream_filters;
4071 while(*bsfp)
4072 bsfp= &(*bsfp)->next;
4073
4074 *bsfp= bsfc;
4075
4076 return 0;
4077}
4078
6291d7e4
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4079static const OptionDef options[] = {
4080 /* main options */
4081#include "cmdutils_common_opts.h"
4082 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4083 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4084 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4085 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
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AK
4086 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4087 "outfile[,metadata]:infile[,metadata]" },
b9aac90b 4088 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
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AK
4089 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4090 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4091 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4092 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4093 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
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4094 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4095 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4096 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4097 "add timings for benchmarking" },
4098 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4099 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4100 "dump each input packet" },
4101 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4102 "when dumping packets, also dump the payload" },
4103 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
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4104 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4105 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4106 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4107 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4108 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4109 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4110 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)&copy_ts}, "copy timestamps" },
4111 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)&copy_tb}, "copy input stream time base when stream copying" },
4112 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4113 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4114 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4115 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4116 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)&copy_initial_nonkeyframes}, "copy initial non-keyframes" },
4117
4118 /* video options */
4119 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4120 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4121 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4122 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4123 { "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" },
4124 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4125 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4126 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4127 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4128 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4129 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4130 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4131 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4132 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4133 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4134 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4135 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4136 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4137 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4138 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4139 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
4140 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4141 "use same quantizer as source (implies VBR)" },
4142 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4143 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4144 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4145 "deinterlace pictures" },
4146 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4147 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4148 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4149#if CONFIG_AVFILTER
4150 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4151#endif
4152 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4153 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4154 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4155 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4156 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
6291d7e4
AK