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avconv: move max_frames to options context.
[libav.git] / avconv.c
CommitLineData
6291d7e4
AK		 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 */
6291d7e4
AK		 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 {
02494787
DB		 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
6291d7e4
AK		 96} MetadataMap;
97
6291d7e4
AK		 98static const OptionDef options[];
99
6291d7e4
AK		 100/* indexed by output file stream index */
101static int *streamid_map = NULL;
102static int nb_streamid_map = 0;
103
104static int frame_width = 0;
105static int frame_height = 0;
106static float frame_aspect_ratio = 0;
107static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
108static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
6291d7e4
AK		 109static AVRational frame_rate;
110static float video_qscale = 0;
111static uint16_t *intra_matrix = NULL;
112static uint16_t *inter_matrix = NULL;
113static const char *video_rc_override_string=NULL;
114static int video_disable = 0;
115static int video_discard = 0;
6291d7e4
AK		 116static unsigned int video_codec_tag = 0;
117static char *video_language = NULL;
f4ad238c 118static int same_quant = 0;
6291d7e4
AK		 119static int do_deinterlace = 0;
120static int top_field_first = -1;
121static int me_threshold = 0;
122static int intra_dc_precision = 8;
6291d7e4
AK		 123static int qp_hist = 0;
124#if CONFIG_AVFILTER
125static char *vfilters = NULL;
126#endif
127
6291d7e4
AK		 128static int audio_sample_rate = 0;
129#define QSCALE_NONE -99999
130static float audio_qscale = QSCALE_NONE;
131static int audio_disable = 0;
132static int audio_channels = 0;
6291d7e4
AK		 133static unsigned int audio_codec_tag = 0;
134static char *audio_language = NULL;
135
136static int subtitle_disable = 0;
6291d7e4
AK		 137static char *subtitle_language = NULL;
138static unsigned int subtitle_codec_tag = 0;
139
140static int data_disable = 0;
6291d7e4
AK		 141static unsigned int data_codec_tag = 0;
142
143static float mux_preload= 0.5;
144static float mux_max_delay= 0.7;
145
6291d7e4 146static int file_overwrite = 0;
6291d7e4
AK		 147static int do_benchmark = 0;
148static int do_hex_dump = 0;
149static int do_pkt_dump = 0;
150static int do_psnr = 0;
151static int do_pass = 0;
152static char *pass_logfilename_prefix = NULL;
6291d7e4
AK		 153static int video_sync_method= -1;
154static int audio_sync_method= 0;
155static float audio_drift_threshold= 0.1;
156static int copy_ts= 0;
157static int copy_tb;
158static int opt_shortest = 0;
159static char *vstats_filename;
160static FILE *vstats_file;
161static int opt_programid = 0;
162static int copy_initial_nonkeyframes = 0;
163
164static int rate_emu = 0;
165
166static int audio_volume = 256;
167
168static int exit_on_error = 0;
169static int using_stdin = 0;
170static int verbose = 1;
6291d7e4
AK		 171static int64_t video_size = 0;
172static int64_t audio_size = 0;
173static int64_t extra_size = 0;
174static int nb_frames_dup = 0;
175static int nb_frames_drop = 0;
176static int input_sync;
6291d7e4
AK		 177static int force_fps = 0;
178static char *forced_key_frames = NULL;
179
180static float dts_delta_threshold = 10;
181
6291d7e4
AK		 182static uint8_t *audio_buf;
183static uint8_t *audio_out;
184static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
185
186static short *samples;
187
188static AVBitStreamFilterContext *video_bitstream_filters=NULL;
189static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
190static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
191
192#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
193
6494c001
AK		 194typedef struct InputStream {
195 int file_index;
196 AVStream *st;
197 int discard; /* true if stream data should be discarded */
198 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
199 AVCodec *dec;
200
201 int64_t start; /* time when read started */
202 int64_t next_pts; /* synthetic pts for cases where pkt.pts
203 is not defined */
204 int64_t pts; /* current pts */
205 PtsCorrectionContext pts_ctx;
206 double ts_scale;
207 int is_start; /* is 1 at the start and after a discontinuity */
208 int showed_multi_packet_warning;
209 AVDictionary *opts;
210} InputStream;
211
212typedef struct InputFile {
213 AVFormatContext *ctx;
214 int eof_reached; /* true if eof reached */
215 int ist_index; /* index of first stream in ist_table */
216 int buffer_size; /* current total buffer size */
217 int64_t ts_offset;
ed5b1326
AK		 218 int nb_streams; /* number of stream that avconv is aware of; may be different
219 from ctx.nb_streams if new streams appear during av_read_frame() */
6494c001 220} InputFile;
6291d7e4
AK		 221
222typedef struct OutputStream {
223 int file_index; /* file index */
224 int index; /* stream index in the output file */
225 int source_index; /* InputStream index */
226 AVStream *st; /* stream in the output file */
227 int encoding_needed; /* true if encoding needed for this stream */
228 int frame_number;
229 /* input pts and corresponding output pts
230 for A/V sync */
231 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
232 struct InputStream *sync_ist; /* input stream to sync against */
233 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
234 AVBitStreamFilterContext *bitstream_filters;
235 AVCodec *enc;
96139b5e 236 int64_t max_frames;
6291d7e4
AK		 237
238 /* video only */
239 int video_resample;
240 AVFrame pict_tmp; /* temporary image for resampling */
241 struct SwsContext *img_resample_ctx; /* for image resampling */
242 int resample_height;
243 int resample_width;
244 int resample_pix_fmt;
245 AVRational frame_rate;
246
247 float frame_aspect_ratio;
248
249 /* forced key frames */
250 int64_t *forced_kf_pts;
251 int forced_kf_count;
252 int forced_kf_index;
253
254 /* audio only */
255 int audio_resample;
256 ReSampleContext *resample; /* for audio resampling */
257 int resample_sample_fmt;
258 int resample_channels;
259 int resample_sample_rate;
260 int reformat_pair;
261 AVAudioConvert *reformat_ctx;
262 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
263 FILE *logfile;
264
265#if CONFIG_AVFILTER
266 AVFilterContext *output_video_filter;
267 AVFilterContext *input_video_filter;
268 AVFilterBufferRef *picref;
269 char *avfilter;
270 AVFilterGraph *graph;
271#endif
272
273 int sws_flags;
274 AVDictionary *opts;
ef44a607 275 int is_past_recording_time;
6291d7e4
AK		 276} OutputStream;
277
6291d7e4 278
af70aa45
AK		 279typedef struct OutputFile {
280 AVFormatContext *ctx;
281 AVDictionary *opts;
4288e031 282 int ost_index; /* index of the first stream in output_streams */
ef44a607 283 int64_t recording_time; /* desired length of the resulting file in microseconds */
ea065176 284 int64_t start_time; /* start time in microseconds */
f21f294e 285 uint64_t limit_filesize;
af70aa45
AK		 286} OutputFile;
287
6291d7e4
AK		 288static InputStream *input_streams = NULL;
289static int nb_input_streams = 0;
290static InputFile *input_files = NULL;
291static int nb_input_files = 0;
292
4288e031
AK		 293static OutputStream *output_streams = NULL;
294static int nb_output_streams = 0;
af70aa45
AK		 295static OutputFile *output_files = NULL;
296static int nb_output_files = 0;
297
575ec4e1 298typedef struct OptionsContext {
6b779ccc
AK		 299 /* input/output options */
300 int64_t start_time;
7041bb3b 301 const char *format;
6b779ccc 302
35e6f8c1
AK		 303 SpecifierOpt *codec_names;
304 int nb_codec_names;
305
6b779ccc
AK		 306 /* input options */
307 int64_t input_ts_offset;
308
33f75d72
AK		 309 SpecifierOpt *ts_scale;
310 int nb_ts_scale;
311
575ec4e1
AK		 312 /* output options */
313 StreamMap *stream_maps;
314 int nb_stream_maps;
847529f8
AK		 315 /* first item specifies output metadata, second is input */
316 MetadataMap (*meta_data_maps)[2];
317 int nb_meta_data_maps;
318 int metadata_global_manual;
319 int metadata_streams_manual;
320 int metadata_chapters_manual;
6b779ccc 321
c5bb372e
AK		 322 int chapters_input_file;
323
6b779ccc 324 int64_t recording_time;
13ccba50 325 uint64_t limit_filesize;
039267f1
AK		 326
327 SpecifierOpt *metadata;
328 int nb_metadata;
96139b5e
AK		 329 SpecifierOpt *max_frames;
330 int nb_max_frames;
575ec4e1
AK		 331} OptionsContext;
332
35e6f8c1
AK		 333#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
334{\
335 int i, ret;\
336 for (i = 0; i < o->nb_ ## name; i++) {\
337 char *spec = o->name[i].specifier;\
338 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
339 outvar = o->name[i].u.type;\
340 else if (ret < 0)\
341 exit_program(1);\
342 }\
343}
344
575ec4e1
AK		 345static void reset_options(OptionsContext *o)
346{
347 const OptionDef *po = options;
348
349 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
350 while (po->name) {
351 void *dst = (uint8_t*)o + po->u.off;
352
353 if (po->flags & OPT_SPEC) {
354 SpecifierOpt **so = dst;
355 int i, *count = (int*)(so + 1);
356 for (i = 0; i < *count; i++) {
357 av_freep(&(*so)[i].specifier);
358 if (po->flags & OPT_STRING)
359 av_freep(&(*so)[i].u.str);
360 }
361 av_freep(so);
362 *count = 0;
363 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
364 av_freep(dst);
365 po++;
366 }
367
368 av_freep(&o->stream_maps);
847529f8 369 av_freep(&o->meta_data_maps);
575ec4e1
AK		 370
371 memset(o, 0, sizeof(*o));
6b779ccc
AK		 372
373 o->recording_time = INT64_MAX;
13ccba50 374 o->limit_filesize = UINT64_MAX;
c5bb372e 375 o->chapters_input_file = INT_MAX;
6b779ccc 376
575ec4e1
AK		 377 uninit_opts();
378 init_opts();
379}
380
6291d7e4
AK		 381#if CONFIG_AVFILTER
382
383static int configure_video_filters(InputStream *ist, OutputStream *ost)
384{
385 AVFilterContext *last_filter, *filter;
386 /** filter graph containing all filters including input & output */
387 AVCodecContext *codec = ost->st->codec;
388 AVCodecContext *icodec = ist->st->codec;
389 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
390 AVRational sample_aspect_ratio;
391 char args[255];
392 int ret;
393
394 ost->graph = avfilter_graph_alloc();
395
396 if (ist->st->sample_aspect_ratio.num){
397 sample_aspect_ratio = ist->st->sample_aspect_ratio;
398 }else
399 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
400
401 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
402 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
403 sample_aspect_ratio.num, sample_aspect_ratio.den);
404
405 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
406 "src", args, NULL, ost->graph);
407 if (ret < 0)
408 return ret;
409 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
410 "out", NULL, &ffsink_ctx, ost->graph);
411 if (ret < 0)
412 return ret;
413 last_filter = ost->input_video_filter;
414
415 if (codec->width != icodec->width || codec->height != icodec->height) {
416 snprintf(args, 255, "%d:%d:flags=0x%X",
417 codec->width,
418 codec->height,
419 ost->sws_flags);
420 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
421 NULL, args, NULL, ost->graph)) < 0)
422 return ret;
423 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
424 return ret;
425 last_filter = filter;
426 }
427
428 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
429 ost->graph->scale_sws_opts = av_strdup(args);
430
431 if (ost->avfilter) {
432 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
433 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
434
435 outputs->name = av_strdup("in");
436 outputs->filter_ctx = last_filter;
437 outputs->pad_idx = 0;
438 outputs->next = NULL;
439
440 inputs->name = av_strdup("out");
441 inputs->filter_ctx = ost->output_video_filter;
442 inputs->pad_idx = 0;
443 inputs->next = NULL;
444
445 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
446 return ret;
447 av_freep(&ost->avfilter);
448 } else {
449 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
450 return ret;
451 }
452
453 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
454 return ret;
455
456 codec->width = ost->output_video_filter->inputs[0]->w;
457 codec->height = ost->output_video_filter->inputs[0]->h;
458 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
bb337b4f 459 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
6291d7e4
AK		 460 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
461 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
462
463 return 0;
464}
465#endif /* CONFIG_AVFILTER */
466
467static void term_exit(void)
468{
469 av_log(NULL, AV_LOG_QUIET, "");
470}
471
472static volatile int received_sigterm = 0;
473static volatile int received_nb_signals = 0;
474
475static void
476sigterm_handler(int sig)
477{
478 received_sigterm = sig;
479 received_nb_signals++;
480 term_exit();
481}
482
483static void term_init(void)
484{
485 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
486 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
487#ifdef SIGXCPU
488 signal(SIGXCPU, sigterm_handler);
489#endif
490}
491
492static int decode_interrupt_cb(void)
493{
494 return received_nb_signals > 1;
495}
496
dad09ff9 497void exit_program(int ret)
6291d7e4
AK		 498{
499 int i;
500
501 /* close files */
502 for(i=0;i<nb_output_files;i++) {
af70aa45 503 AVFormatContext *s = output_files[i].ctx;
6291d7e4
AK		 504 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
505 avio_close(s->pb);
506 avformat_free_context(s);
af70aa45 507 av_dict_free(&output_files[i].opts);
6291d7e4
AK		 508 }
509 for(i=0;i<nb_input_files;i++) {
510 av_close_input_file(input_files[i].ctx);
511 }
512 for (i = 0; i < nb_input_streams; i++)
513 av_dict_free(&input_streams[i].opts);
514
515 av_free(intra_matrix);
516 av_free(inter_matrix);
517
518 if (vstats_file)
519 fclose(vstats_file);
520 av_free(vstats_filename);
521
6291d7e4
AK		 522 av_freep(&input_streams);
523 av_freep(&input_files);
4288e031 524 av_freep(&output_streams);
af70aa45 525 av_freep(&output_files);
6291d7e4 526
6291d7e4
AK		 527 uninit_opts();
528 av_free(audio_buf);
529 av_free(audio_out);
530 allocated_audio_buf_size= allocated_audio_out_size= 0;
531 av_free(samples);
532
533#if CONFIG_AVFILTER
534 avfilter_uninit();
535#endif
536
537 if (received_sigterm) {
538 fprintf(stderr,
539 "Received signal %d: terminating.\n",
540 (int) received_sigterm);
541 exit (255);
542 }
543
544 exit(ret); /* not all OS-es handle main() return value */
6291d7e4
AK		 545}
546
547static void assert_avoptions(AVDictionary *m)
548{
549 AVDictionaryEntry *t;
550 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
551 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
552 exit_program(1);
553 }
554}
555
556static void assert_codec_experimental(AVCodecContext *c, int encoder)
557{
558 const char *codec_string = encoder ? "encoder" : "decoder";
559 AVCodec *codec;
560 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
561 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
562 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
563 "results.\nAdd '-strict experimental' if you want to use it.\n",
564 codec_string, c->codec->name);
565 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
566 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
567 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
568 codec_string, codec->name);
569 exit_program(1);
570 }
571}
572
6291d7e4
AK		 573static void choose_sample_fmt(AVStream *st, AVCodec *codec)
574{
575 if(codec && codec->sample_fmts){
576 const enum AVSampleFormat *p= codec->sample_fmts;
577 for(; *p!=-1; p++){
578 if(*p == st->codec->sample_fmt)
579 break;
580 }
581 if (*p == -1) {
582 av_log(NULL, AV_LOG_WARNING,
583 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
584 av_get_sample_fmt_name(st->codec->sample_fmt),
585 codec->name,
586 av_get_sample_fmt_name(codec->sample_fmts[0]));
587 st->codec->sample_fmt = codec->sample_fmts[0];
588 }
589 }
590}
591
592/**
593 * Update the requested input sample format based on the output sample format.
594 * This is currently only used to request float output from decoders which
595 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
596 * Ideally this will be removed in the future when decoders do not do format
597 * conversion and only output in their native format.
598 */
599static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
600 AVCodecContext *enc)
601{
602 /* if sample formats match or a decoder sample format has already been
603 requested, just return */
604 if (enc->sample_fmt == dec->sample_fmt ||
605 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
606 return;
607
608 /* if decoder supports more than one output format */
609 if (dec_codec && dec_codec->sample_fmts &&
610 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
611 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
612 const enum AVSampleFormat *p;
613 int min_dec = -1, min_inc = -1;
614
615 /* find a matching sample format in the encoder */
616 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
617 if (*p == enc->sample_fmt) {
618 dec->request_sample_fmt = *p;
619 return;
620 } else if (*p > enc->sample_fmt) {
621 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
622 } else
623 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
624 }
625
626 /* if none match, provide the one that matches quality closest */
627 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
628 enc->sample_fmt - min_dec;
629 }
630}
631
632static void choose_sample_rate(AVStream *st, AVCodec *codec)
633{
634 if(codec && codec->supported_samplerates){
635 const int *p= codec->supported_samplerates;
636 int best=0;
637 int best_dist=INT_MAX;
638 for(; *p; p++){
639 int dist= abs(st->codec->sample_rate - *p);
640 if(dist < best_dist){
641 best_dist= dist;
642 best= *p;
643 }
644 }
645 if(best_dist){
646 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
647 }
648 st->codec->sample_rate= best;
649 }
650}
651
652static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
653{
654 if(codec && codec->pix_fmts){
655 const enum PixelFormat *p= codec->pix_fmts;
656 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
657 if(st->codec->codec_id==CODEC_ID_MJPEG){
658 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
659 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
660 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};
661 }
662 }
663 for(; *p!=-1; p++){
664 if(*p == st->codec->pix_fmt)
665 break;
666 }
667 if (*p == -1) {
668 if(st->codec->pix_fmt != PIX_FMT_NONE)
669 av_log(NULL, AV_LOG_WARNING,
670 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
671 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
672 codec->name,
673 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
674 st->codec->pix_fmt = codec->pix_fmts[0];
675 }
676 }
677}
678
6291d7e4
AK		 679static double
680get_sync_ipts(const OutputStream *ost)
681{
682 const InputStream *ist = ost->sync_ist;
ea065176
AK		 683 OutputFile *of = &output_files[ost->file_index];
684 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
6291d7e4
AK		 685}
686
687static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
688 int ret;
689
690 while(bsfc){
691 AVPacket new_pkt= *pkt;
692 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
693 &new_pkt.data, &new_pkt.size,
694 pkt->data, pkt->size,
695 pkt->flags & AV_PKT_FLAG_KEY);
696 if(a>0){
697 av_free_packet(pkt);
698 new_pkt.destruct= av_destruct_packet;
699 } else if(a<0){
700 fprintf(stderr, "%s failed for stream %d, codec %s",
701 bsfc->filter->name, pkt->stream_index,
702 avctx->codec ? avctx->codec->name : "copy");
703 print_error("", a);
704 if (exit_on_error)
705 exit_program(1);
706 }
707 *pkt= new_pkt;
708
709 bsfc= bsfc->next;
710 }
711
712 ret= av_interleaved_write_frame(s, pkt);
713 if(ret < 0){
714 print_error("av_interleaved_write_frame()", ret);
715 exit_program(1);
716 }
717}
718
6291d7e4
AK		 719static void do_audio_out(AVFormatContext *s,
720 OutputStream *ost,
721 InputStream *ist,
722 unsigned char *buf, int size)
723{
724 uint8_t *buftmp;
725 int64_t audio_out_size, audio_buf_size;
726 int64_t allocated_for_size= size;
727
728 int size_out, frame_bytes, ret, resample_changed;
729 AVCodecContext *enc= ost->st->codec;
730 AVCodecContext *dec= ist->st->codec;
731 int osize = av_get_bytes_per_sample(enc->sample_fmt);
732 int isize = av_get_bytes_per_sample(dec->sample_fmt);
733 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
734
735need_realloc:
736 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
737 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
738 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
739 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
740 audio_buf_size*= osize*enc->channels;
741
742 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
743 if(coded_bps > 8*osize)
744 audio_out_size= audio_out_size * coded_bps / (8*osize);
745 audio_out_size += FF_MIN_BUFFER_SIZE;
746
747 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
748 fprintf(stderr, "Buffer sizes too large\n");
749 exit_program(1);
750 }
751
752 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
753 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
754 if (!audio_buf || !audio_out){
755 fprintf(stderr, "Out of memory in do_audio_out\n");
756 exit_program(1);
757 }
758
759 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
760 ost->audio_resample = 1;
761
762 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
763 ost->resample_channels != dec->channels ||
764 ost->resample_sample_rate != dec->sample_rate;
765
766 if ((ost->audio_resample && !ost->resample) || resample_changed) {
767 if (resample_changed) {
768 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",
769 ist->file_index, ist->st->index,
770 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
771 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
772 ost->resample_sample_fmt = dec->sample_fmt;
773 ost->resample_channels = dec->channels;
774 ost->resample_sample_rate = dec->sample_rate;
775 if (ost->resample)
776 audio_resample_close(ost->resample);
777 }
778 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
779 if (audio_sync_method <= 1 &&
780 ost->resample_sample_fmt == enc->sample_fmt &&
781 ost->resample_channels == enc->channels &&
782 ost->resample_sample_rate == enc->sample_rate) {
783 ost->resample = NULL;
784 ost->audio_resample = 0;
785 } else if (ost->audio_resample) {
786 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
787 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
788 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
789 enc->sample_rate, dec->sample_rate,
790 enc->sample_fmt, dec->sample_fmt,
791 16, 10, 0, 0.8);
792 if (!ost->resample) {
793 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
794 dec->channels, dec->sample_rate,
795 enc->channels, enc->sample_rate);
796 exit_program(1);
797 }
798 }
799 }
800
801#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
802 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
803 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
804 if (ost->reformat_ctx)
805 av_audio_convert_free(ost->reformat_ctx);
806 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
807 dec->sample_fmt, 1, NULL, 0);
808 if (!ost->reformat_ctx) {
809 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
810 av_get_sample_fmt_name(dec->sample_fmt),
811 av_get_sample_fmt_name(enc->sample_fmt));
812 exit_program(1);
813 }
814 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
815 }
816
817 if(audio_sync_method){
818 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
819 - av_fifo_size(ost->fifo)/(enc->channels * 2);
820 double idelta= delta*dec->sample_rate / enc->sample_rate;
821 int byte_delta= ((int)idelta)*2*dec->channels;
822
823 //FIXME resample delay
824 if(fabs(delta) > 50){
825 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
826 if(byte_delta < 0){
827 byte_delta= FFMAX(byte_delta, -size);
828 size += byte_delta;
829 buf -= byte_delta;
830 if(verbose > 2)
831 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
832 if(!size)
833 return;
834 ist->is_start=0;
835 }else{
836 static uint8_t *input_tmp= NULL;
837 input_tmp= av_realloc(input_tmp, byte_delta + size);
838
839 if(byte_delta > allocated_for_size - size){
840 allocated_for_size= byte_delta + (int64_t)size;
841 goto need_realloc;
842 }
843 ist->is_start=0;
844
845 memset(input_tmp, 0, byte_delta);
846 memcpy(input_tmp + byte_delta, buf, size);
847 buf= input_tmp;
848 size += byte_delta;
849 if(verbose > 2)
850 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
851 }
852 }else if(audio_sync_method>1){
853 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
854 av_assert0(ost->audio_resample);
855 if(verbose > 2)
856 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
857// 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));
858 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
859 }
860 }
861 }else
862 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
863 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
864
865 if (ost->audio_resample) {
866 buftmp = audio_buf;
867 size_out = audio_resample(ost->resample,
868 (short *)buftmp, (short *)buf,
869 size / (dec->channels * isize));
870 size_out = size_out * enc->channels * osize;
871 } else {
872 buftmp = buf;
873 size_out = size;
874 }
875
876 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
877 const void *ibuf[6]= {buftmp};
878 void *obuf[6]= {audio_buf};
879 int istride[6]= {isize};
880 int ostride[6]= {osize};
881 int len= size_out/istride[0];
882 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
883 printf("av_audio_convert() failed\n");
884 if (exit_on_error)
885 exit_program(1);
886 return;
887 }
888 buftmp = audio_buf;
889 size_out = len*osize;
890 }
891
892 /* now encode as many frames as possible */
893 if (enc->frame_size > 1) {
894 /* output resampled raw samples */
895 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
896 fprintf(stderr, "av_fifo_realloc2() failed\n");
897 exit_program(1);
898 }
899 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
900
901 frame_bytes = enc->frame_size * osize * enc->channels;
902
903 while (av_fifo_size(ost->fifo) >= frame_bytes) {
904 AVPacket pkt;
905 av_init_packet(&pkt);
906
907 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
908
909 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
910
911 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
912 (short *)audio_buf);
913 if (ret < 0) {
914 fprintf(stderr, "Audio encoding failed\n");
915 exit_program(1);
916 }
917 audio_size += ret;
918 pkt.stream_index= ost->index;
919 pkt.data= audio_out;
920 pkt.size= ret;
921 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
922 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
923 pkt.flags |= AV_PKT_FLAG_KEY;
924 write_frame(s, &pkt, enc, ost->bitstream_filters);
925
926 ost->sync_opts += enc->frame_size;
927 }
928 } else {
929 AVPacket pkt;
930 av_init_packet(&pkt);
931
932 ost->sync_opts += size_out / (osize * enc->channels);
933
934 /* output a pcm frame */
935 /* determine the size of the coded buffer */
936 size_out /= osize;
937 if (coded_bps)
938 size_out = size_out*coded_bps/8;
939
940 if(size_out > audio_out_size){
941 fprintf(stderr, "Internal error, buffer size too small\n");
942 exit_program(1);
943 }
944
945 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
946 ret = avcodec_encode_audio(enc, audio_out, size_out,
947 (short *)buftmp);
948 if (ret < 0) {
949 fprintf(stderr, "Audio encoding failed\n");
950 exit_program(1);
951 }
952 audio_size += ret;
953 pkt.stream_index= ost->index;
954 pkt.data= audio_out;
955 pkt.size= ret;
956 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
957 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
958 pkt.flags |= AV_PKT_FLAG_KEY;
959 write_frame(s, &pkt, enc, ost->bitstream_filters);
960 }
961}
962
963static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
964{
965 AVCodecContext *dec;
966 AVPicture *picture2;
967 AVPicture picture_tmp;
968 uint8_t *buf = 0;
969
970 dec = ist->st->codec;
971
972 /* deinterlace : must be done before any resize */
973 if (do_deinterlace) {
974 int size;
975
976 /* create temporary picture */
977 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
978 buf = av_malloc(size);
979 if (!buf)
980 return;
981
982 picture2 = &picture_tmp;
983 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
984
985 if(avpicture_deinterlace(picture2, picture,
986 dec->pix_fmt, dec->width, dec->height) < 0) {
987 /* if error, do not deinterlace */
988 fprintf(stderr, "Deinterlacing failed\n");
989 av_free(buf);
990 buf = NULL;
991 picture2 = picture;
992 }
993 } else {
994 picture2 = picture;
995 }
996
997 if (picture != picture2)
998 *picture = *picture2;
999 *bufp = buf;
1000}
1001
6291d7e4
AK		 1002static void do_subtitle_out(AVFormatContext *s,
1003 OutputStream *ost,
1004 InputStream *ist,
1005 AVSubtitle *sub,
1006 int64_t pts)
1007{
1008 static uint8_t *subtitle_out = NULL;
1009 int subtitle_out_max_size = 1024 * 1024;
1010 int subtitle_out_size, nb, i;
1011 AVCodecContext *enc;
1012 AVPacket pkt;
1013
1014 if (pts == AV_NOPTS_VALUE) {
1015 fprintf(stderr, "Subtitle packets must have a pts\n");
1016 if (exit_on_error)
1017 exit_program(1);
1018 return;
1019 }
1020
1021 enc = ost->st->codec;
1022
1023 if (!subtitle_out) {
1024 subtitle_out = av_malloc(subtitle_out_max_size);
1025 }
1026
1027 /* Note: DVB subtitle need one packet to draw them and one other
1028 packet to clear them */
1029 /* XXX: signal it in the codec context ? */
1030 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1031 nb = 2;
1032 else
1033 nb = 1;
1034
1035 for(i = 0; i < nb; i++) {
1036 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1037 // start_display_time is required to be 0
1038 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1039 sub->end_display_time -= sub->start_display_time;
1040 sub->start_display_time = 0;
1041 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1042 subtitle_out_max_size, sub);
1043 if (subtitle_out_size < 0) {
1044 fprintf(stderr, "Subtitle encoding failed\n");
1045 exit_program(1);
1046 }
1047
1048 av_init_packet(&pkt);
1049 pkt.stream_index = ost->index;
1050 pkt.data = subtitle_out;
1051 pkt.size = subtitle_out_size;
1052 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1053 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1054 /* XXX: the pts correction is handled here. Maybe handling
1055 it in the codec would be better */
1056 if (i == 0)
1057 pkt.pts += 90 * sub->start_display_time;
1058 else
1059 pkt.pts += 90 * sub->end_display_time;
1060 }
1061 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1062 }
1063}
1064
1065static int bit_buffer_size= 1024*256;
1066static uint8_t *bit_buffer= NULL;
1067
87ef060c
AC		 1068static void do_video_resample(OutputStream *ost,
1069 InputStream *ist,
1070 AVFrame *in_picture,
1071 AVFrame **out_picture)
6291d7e4 1072{
87ef060c
AC		 1073 int resample_changed = 0;
1074 AVCodecContext *dec = ist->st->codec;
1075 *out_picture = in_picture;
6291d7e4
AK		 1076
1077 resample_changed = ost->resample_width != dec->width ||
1078 ost->resample_height != dec->height ||
1079 ost->resample_pix_fmt != dec->pix_fmt;
1080
1081 if (resample_changed) {
1082 av_log(NULL, AV_LOG_INFO,
1083 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1084 ist->file_index, ist->st->index,
1085 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1086 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1087 if(!ost->video_resample)
5c59fa56 1088 ost->video_resample = 1;
6291d7e4
AK		 1089 }
1090
1091#if !CONFIG_AVFILTER
1092 if (ost->video_resample) {
87ef060c 1093 *out_picture = &ost->pict_tmp;
6291d7e4
AK		 1094 if (resample_changed) {
1095 /* initialize a new scaler context */
1096 sws_freeContext(ost->img_resample_ctx);
1097 ost->img_resample_ctx = sws_getContext(
1098 ist->st->codec->width,
1099 ist->st->codec->height,
1100 ist->st->codec->pix_fmt,
1101 ost->st->codec->width,
1102 ost->st->codec->height,
1103 ost->st->codec->pix_fmt,
1104 ost->sws_flags, NULL, NULL, NULL);
1105 if (ost->img_resample_ctx == NULL) {
1106 fprintf(stderr, "Cannot get resampling context\n");
1107 exit_program(1);
1108 }
1109 }
87ef060c
AC		 1110 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1111 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
6291d7e4 1112 }
428c59d9
K		 1113#else
1114 if (resample_changed) {
1115 avfilter_graph_free(&ost->graph);
1116 if (configure_video_filters(ist, ost)) {
bb337b4f 1117 fprintf(stderr, "Error reinitializing filters!\n");
428c59d9
K		 1118 exit_program(1);
1119 }
1120 }
6291d7e4 1121#endif
428c59d9
K		 1122 if (resample_changed) {
1123 ost->resample_width = dec->width;
1124 ost->resample_height = dec->height;
1125 ost->resample_pix_fmt = dec->pix_fmt;
1126 }
87ef060c
AC		 1127}
1128
1129
1130static void do_video_out(AVFormatContext *s,
1131 OutputStream *ost,
1132 InputStream *ist,
1133 AVFrame *in_picture,
1134 int *frame_size, float quality)
1135{
553735f5 1136 int nb_frames, i, ret, format_video_sync;
87ef060c 1137 AVFrame *final_picture;
f593628e 1138 AVCodecContext *enc;
87ef060c
AC		 1139 double sync_ipts;
1140
1141 enc = ost->st->codec;
87ef060c
AC		 1142
1143 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1144
1145 /* by default, we output a single frame */
1146 nb_frames = 1;
1147
1148 *frame_size = 0;
1149
553735f5
AC		 1150 format_video_sync = video_sync_method;
1151 if (format_video_sync < 0)
1152 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1153
1154 if (format_video_sync) {
87ef060c
AC		 1155 double vdelta = sync_ipts - ost->sync_opts;
1156 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1157 if (vdelta < -1.1)
1158 nb_frames = 0;
553735f5 1159 else if (format_video_sync == 2) {
87ef060c
AC		 1160 if(vdelta<=-0.6){
1161 nb_frames=0;
1162 }else if(vdelta>0.6)
1163 ost->sync_opts= lrintf(sync_ipts);
1164 }else if (vdelta > 1.1)
1165 nb_frames = lrintf(vdelta);
1166//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);
1167 if (nb_frames == 0){
1168 ++nb_frames_drop;
1169 if (verbose>2)
1170 fprintf(stderr, "*** drop!\n");
1171 }else if (nb_frames > 1) {
1172 nb_frames_dup += nb_frames - 1;
1173 if (verbose>2)
1174 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1175 }
1176 }else
1177 ost->sync_opts= lrintf(sync_ipts);
1178
96139b5e 1179 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
87ef060c
AC		 1180 if (nb_frames <= 0)
1181 return;
1182
1183 do_video_resample(ost, ist, in_picture, &final_picture);
6291d7e4
AK		 1184
1185 /* duplicates frame if needed */
1186 for(i=0;i<nb_frames;i++) {
1187 AVPacket pkt;
1188 av_init_packet(&pkt);
1189 pkt.stream_index= ost->index;
1190
1191 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1192 /* raw pictures are written as AVPicture structure to
bb337b4f 1193 avoid any copies. We support temporarily the older
6291d7e4 1194 method. */
f593628e
AC		 1195 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1196 enc->coded_frame->top_field_first = in_picture->top_field_first;
6291d7e4
AK		 1197 pkt.data= (uint8_t *)final_picture;
1198 pkt.size= sizeof(AVPicture);
1199 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1200 pkt.flags |= AV_PKT_FLAG_KEY;
1201
1202 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
6291d7e4
AK		 1203 } else {
1204 AVFrame big_picture;
1205
1206 big_picture= *final_picture;
1207 /* better than nothing: use input picture interlaced
1208 settings */
1209 big_picture.interlaced_frame = in_picture->interlaced_frame;
1210 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1211 if(top_field_first == -1)
1212 big_picture.top_field_first = in_picture->top_field_first;
1213 else
1214 big_picture.top_field_first = top_field_first;
1215 }
1216
f4ad238c 1217 /* handles same_quant here. This is not correct because it may
6291d7e4
AK		 1218 not be a global option */
1219 big_picture.quality = quality;
1220 if(!me_threshold)
1221 big_picture.pict_type = 0;
1222// big_picture.pts = AV_NOPTS_VALUE;
1223 big_picture.pts= ost->sync_opts;
1224// big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1225//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1226 if (ost->forced_kf_index < ost->forced_kf_count &&
1227 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1228 big_picture.pict_type = AV_PICTURE_TYPE_I;
1229 ost->forced_kf_index++;
1230 }
1231 ret = avcodec_encode_video(enc,
1232 bit_buffer, bit_buffer_size,
1233 &big_picture);
1234 if (ret < 0) {
1235 fprintf(stderr, "Video encoding failed\n");
1236 exit_program(1);
1237 }
1238
1239 if(ret>0){
1240 pkt.data= bit_buffer;
1241 pkt.size= ret;
1242 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1243 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1244/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1245 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1246 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1247
1248 if(enc->coded_frame->key_frame)
1249 pkt.flags |= AV_PKT_FLAG_KEY;
1250 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1251 *frame_size = ret;
1252 video_size += ret;
1253 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1254 // enc->frame_number-1, ret, enc->pict_type);
1255 /* if two pass, output log */
1256 if (ost->logfile && enc->stats_out) {
1257 fprintf(ost->logfile, "%s", enc->stats_out);
1258 }
1259 }
1260 }
1261 ost->sync_opts++;
1262 ost->frame_number++;
1263 }
1264}
1265
1266static double psnr(double d){
1267 return -10.0*log(d)/log(10.0);
1268}
1269
1270static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1271 int frame_size)
1272{
1273 AVCodecContext *enc;
1274 int frame_number;
1275 double ti1, bitrate, avg_bitrate;
1276
1277 /* this is executed just the first time do_video_stats is called */
1278 if (!vstats_file) {
1279 vstats_file = fopen(vstats_filename, "w");
1280 if (!vstats_file) {
1281 perror("fopen");
1282 exit_program(1);
1283 }
1284 }
1285
1286 enc = ost->st->codec;
1287 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1288 frame_number = ost->frame_number;
1289 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1290 if (enc->flags&CODEC_FLAG_PSNR)
1291 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1292
1293 fprintf(vstats_file,"f_size= %6d ", frame_size);
1294 /* compute pts value */
1295 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1296 if (ti1 < 0.01)
1297 ti1 = 0.01;
1298
1299 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1300 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1301 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1302 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1303 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1304 }
1305}
1306
af70aa45 1307static void print_report(OutputFile *output_files,
4288e031 1308 OutputStream *ost_table, int nb_ostreams,
c5ad2c2c 1309 int is_last_report, int64_t timer_start)
6291d7e4
AK		 1310{
1311 char buf[1024];
1312 OutputStream *ost;
1313 AVFormatContext *oc;
1314 int64_t total_size;
1315 AVCodecContext *enc;
1316 int frame_number, vid, i;
1317 double bitrate, ti1, pts;
1318 static int64_t last_time = -1;
1319 static int qp_histogram[52];
1320
1321 if (!is_last_report) {
1322 int64_t cur_time;
1323 /* display the report every 0.5 seconds */
1324 cur_time = av_gettime();
1325 if (last_time == -1) {
1326 last_time = cur_time;
1327 return;
1328 }
1329 if ((cur_time - last_time) < 500000)
1330 return;
1331 last_time = cur_time;
1332 }
1333
1334
af70aa45 1335 oc = output_files[0].ctx;
6291d7e4
AK		 1336
1337 total_size = avio_size(oc->pb);
1338 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1339 total_size= avio_tell(oc->pb);
1340
1341 buf[0] = '\0';
1342 ti1 = 1e10;
1343 vid = 0;
1344 for(i=0;i<nb_ostreams;i++) {
1345 float q = -1;
4288e031 1346 ost = &ost_table[i];
6291d7e4
AK		 1347 enc = ost->st->codec;
1348 if (!ost->st->stream_copy && enc->coded_frame)
1349 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1350 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1351 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1352 }
1353 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1354 float t = (av_gettime()-timer_start) / 1000000.0;
1355
1356 frame_number = ost->frame_number;
1357 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1358 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1359 if(is_last_report)
1360 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1361 if(qp_hist){
1362 int j;
1363 int qp = lrintf(q);
1364 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1365 qp_histogram[qp]++;
1366 for(j=0; j<32; j++)
1367 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1368 }
1369 if (enc->flags&CODEC_FLAG_PSNR){
1370 int j;
1371 double error, error_sum=0;
1372 double scale, scale_sum=0;
1373 char type[3]= {'Y','U','V'};
1374 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1375 for(j=0; j<3; j++){
1376 if(is_last_report){
1377 error= enc->error[j];
1378 scale= enc->width*enc->height*255.0*255.0*frame_number;
1379 }else{
1380 error= enc->coded_frame->error[j];
1381 scale= enc->width*enc->height*255.0*255.0;
1382 }
1383 if(j) scale/=4;
1384 error_sum += error;
1385 scale_sum += scale;
1386 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1387 }
1388 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1389 }
1390 vid = 1;
1391 }
1392 /* compute min output value */
1393 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1394 if ((pts < ti1) && (pts > 0))
1395 ti1 = pts;
1396 }
1397 if (ti1 < 0.01)
1398 ti1 = 0.01;
1399
1400 if (verbose > 0 || is_last_report) {
1401 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1402
1403 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1404 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1405 (double)total_size / 1024, ti1, bitrate);
1406
1407 if (nb_frames_dup || nb_frames_drop)
1408 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1409 nb_frames_dup, nb_frames_drop);
1410
1411 if (verbose >= 0)
1412 fprintf(stderr, "%s \r", buf);
1413
1414 fflush(stderr);
1415 }
1416
1417 if (is_last_report && verbose >= 0){
1418 int64_t raw= audio_size + video_size + extra_size;
1419 fprintf(stderr, "\n");
1420 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1421 video_size/1024.0,
1422 audio_size/1024.0,
1423 extra_size/1024.0,
1424 100.0*(total_size - raw)/raw
1425 );
1426 }
1427}
1428
1429static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1430{
1431 int fill_char = 0x00;
1432 if (sample_fmt == AV_SAMPLE_FMT_U8)
1433 fill_char = 0x80;
1434 memset(buf, fill_char, size);
1435}
1436
b62b5cb6 1437static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
4a4ce2e7
AK		 1438{
1439 int i, ret;
1440
1441 for (i = 0; i < nb_ostreams; i++) {
6f1c66d5
AK		 1442 OutputStream *ost = &ost_table[i];
1443 AVCodecContext *enc = ost->st->codec;
1444 AVFormatContext *os = output_files[ost->file_index].ctx;
1445
b62b5cb6 1446 if (!ost->encoding_needed)
6f1c66d5
AK		 1447 continue;
1448
1449 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1450 continue;
1451 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1452 continue;
1453
1454 for(;;) {
1455 AVPacket pkt;
1456 int fifo_bytes;
1457 av_init_packet(&pkt);
1458 pkt.stream_index= ost->index;
1459
1460 switch (ost->st->codec->codec_type) {
1461 case AVMEDIA_TYPE_AUDIO:
1462 fifo_bytes = av_fifo_size(ost->fifo);
1463 ret = 0;
1464 /* encode any samples remaining in fifo */
1465 if (fifo_bytes > 0) {
1466 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1467 int fs_tmp = enc->frame_size;
1468
1469 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1470 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1471 enc->frame_size = fifo_bytes / (osize * enc->channels);
1472 } else { /* pad */
1473 int frame_bytes = enc->frame_size*osize*enc->channels;
1474 if (allocated_audio_buf_size < frame_bytes)
4a4ce2e7 1475 exit_program(1);
6f1c66d5 1476 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
4a4ce2e7
AK		 1477 }
1478
6f1c66d5
AK		 1479 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1480 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1481 ost->st->time_base.num, enc->sample_rate);
1482 enc->frame_size = fs_tmp;
1483 }
1484 if (ret <= 0) {
1485 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
4a4ce2e7 1486 }
6f1c66d5
AK		 1487 if (ret < 0) {
1488 fprintf(stderr, "Audio encoding failed\n");
1489 exit_program(1);
1490 }
1491 audio_size += ret;
1492 pkt.flags |= AV_PKT_FLAG_KEY;
1493 break;
1494 case AVMEDIA_TYPE_VIDEO:
1495 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1496 if (ret < 0) {
1497 fprintf(stderr, "Video encoding failed\n");
1498 exit_program(1);
1499 }
1500 video_size += ret;
1501 if(enc->coded_frame && enc->coded_frame->key_frame)
1502 pkt.flags |= AV_PKT_FLAG_KEY;
1503 if (ost->logfile && enc->stats_out) {
1504 fprintf(ost->logfile, "%s", enc->stats_out);
1505 }
1506 break;
1507 default:
1508 ret=-1;
4a4ce2e7 1509 }
6f1c66d5
AK		 1510
1511 if (ret <= 0)
1512 break;
1513 pkt.data = bit_buffer;
1514 pkt.size = ret;
1515 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1516 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1517 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
4a4ce2e7
AK		 1518 }
1519 }
1520}
1521
6291d7e4
AK		 1522/* pkt = NULL means EOF (needed to flush decoder buffers) */
1523static int output_packet(InputStream *ist, int ist_index,
4288e031 1524 OutputStream *ost_table, int nb_ostreams,
6291d7e4
AK		 1525 const AVPacket *pkt)
1526{
1527 AVFormatContext *os;
1528 OutputStream *ost;
1529 int ret, i;
1530 int got_output;
1531 AVFrame picture;
1532 void *buffer_to_free = NULL;
1533 static unsigned int samples_size= 0;
1534 AVSubtitle subtitle, *subtitle_to_free;
1535 int64_t pkt_pts = AV_NOPTS_VALUE;
1536#if CONFIG_AVFILTER
1537 int frame_available;
1538#endif
1539 float quality;
1540
1541 AVPacket avpkt;
1542 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1543
1544 if(ist->next_pts == AV_NOPTS_VALUE)
1545 ist->next_pts= ist->pts;
1546
1547 if (pkt == NULL) {
1548 /* EOF handling */
1549 av_init_packet(&avpkt);
1550 avpkt.data = NULL;
1551 avpkt.size = 0;
1552 goto handle_eof;
1553 } else {
1554 avpkt = *pkt;
1555 }
1556
1557 if(pkt->dts != AV_NOPTS_VALUE)
1558 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1559 if(pkt->pts != AV_NOPTS_VALUE)
1560 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1561
1562 //while we have more to decode or while the decoder did output something on EOF
1563 while (avpkt.size > 0 || (!pkt && got_output)) {
1564 uint8_t *data_buf, *decoded_data_buf;
1565 int data_size, decoded_data_size;
1566 handle_eof:
1567 ist->pts= ist->next_pts;
1568
1569 if(avpkt.size && avpkt.size != pkt->size &&
1570 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1571 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1572 ist->showed_multi_packet_warning=1;
1573 }
1574
1575 /* decode the packet if needed */
1576 decoded_data_buf = NULL; /* fail safe */
1577 decoded_data_size= 0;
1578 data_buf = avpkt.data;
1579 data_size = avpkt.size;
1580 subtitle_to_free = NULL;
1581 if (ist->decoding_needed) {
1582 switch(ist->st->codec->codec_type) {
1583 case AVMEDIA_TYPE_AUDIO:{
1584 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1585 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1586 av_free(samples);
1587 samples= av_malloc(samples_size);
1588 }
1589 decoded_data_size= samples_size;
1590 /* XXX: could avoid copy if PCM 16 bits with same
1591 endianness as CPU */
1592 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1593 &avpkt);
1594 if (ret < 0)
1595 return ret;
1596 avpkt.data += ret;
1597 avpkt.size -= ret;
1598 data_size = ret;
1599 got_output = decoded_data_size > 0;
1600 /* Some bug in mpeg audio decoder gives */
1601 /* decoded_data_size < 0, it seems they are overflows */
1602 if (!got_output) {
1603 /* no audio frame */
1604 continue;
1605 }
1606 decoded_data_buf = (uint8_t *)samples;
1607 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1608 (ist->st->codec->sample_rate * ist->st->codec->channels);
1609 break;}
1610 case AVMEDIA_TYPE_VIDEO:
1611 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1612 /* XXX: allocate picture correctly */
1613 avcodec_get_frame_defaults(&picture);
1614 avpkt.pts = pkt_pts;
1615 avpkt.dts = ist->pts;
1616 pkt_pts = AV_NOPTS_VALUE;
1617
1618 ret = avcodec_decode_video2(ist->st->codec,
1619 &picture, &got_output, &avpkt);
f4ad238c 1620 quality = same_quant ? picture.quality : 0;
6291d7e4
AK		 1621 if (ret < 0)
1622 return ret;
1623 if (!got_output) {
1624 /* no picture yet */
1625 goto discard_packet;
1626 }
1627 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1628 if (ist->st->codec->time_base.num != 0) {
1629 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1630 ist->next_pts += ((int64_t)AV_TIME_BASE *
1631 ist->st->codec->time_base.num * ticks) /
1632 ist->st->codec->time_base.den;
1633 }
1634 avpkt.size = 0;
1635 buffer_to_free = NULL;
1636 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1637 break;
1638 case AVMEDIA_TYPE_SUBTITLE:
1639 ret = avcodec_decode_subtitle2(ist->st->codec,
1640 &subtitle, &got_output, &avpkt);
1641 if (ret < 0)
1642 return ret;
1643 if (!got_output) {
1644 goto discard_packet;
1645 }
1646 subtitle_to_free = &subtitle;
1647 avpkt.size = 0;
1648 break;
1649 default:
1650 return -1;
1651 }
1652 } else {
1653 switch(ist->st->codec->codec_type) {
1654 case AVMEDIA_TYPE_AUDIO:
1655 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1656 ist->st->codec->sample_rate;
1657 break;
1658 case AVMEDIA_TYPE_VIDEO:
1659 if (ist->st->codec->time_base.num != 0) {
1660 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1661 ist->next_pts += ((int64_t)AV_TIME_BASE *
1662 ist->st->codec->time_base.num * ticks) /
1663 ist->st->codec->time_base.den;
1664 }
1665 break;
1666 }
6291d7e4
AK		 1667 avpkt.size = 0;
1668 }
1669
6291d7e4
AK		 1670 // preprocess audio (volume)
1671 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1672 if (audio_volume != 256) {
1673 short *volp;
1674 volp = samples;
1675 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1676 int v = ((*volp) * audio_volume + 128) >> 8;
6c7ee2f7 1677 *volp++ = av_clip_int16(v);
6291d7e4
AK		 1678 }
1679 }
1680 }
1681
1682 /* frame rate emulation */
1683 if (rate_emu) {
1684 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1685 int64_t now = av_gettime() - ist->start;
1686 if (pts > now)
1687 usleep(pts - now);
1688 }
1689 /* if output time reached then transcode raw format,
1690 encode packets and output them */
ea065176 1691 for (i = 0; i < nb_ostreams; i++) {
45f86128
AK		 1692 OutputFile *of = &output_files[ost_table[i].file_index];
1693 int frame_size;
6291d7e4 1694
45f86128
AK		 1695 ost = &ost_table[i];
1696 if (ost->source_index != ist_index)
1697 continue;
f1176d41 1698
45f86128
AK		 1699 if (of->start_time && ist->pts < of->start_time)
1700 continue;
ea065176 1701
45f86128
AK		 1702 if (of->recording_time != INT64_MAX &&
1703 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1704 (AVRational){1, 1000000}) >= 0) {
1705 ost->is_past_recording_time = 1;
1706 continue;
1707 }
ef44a607 1708
6291d7e4 1709#if CONFIG_AVFILTER
45f86128
AK		 1710 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1711 ost->input_video_filter) {
1712 AVRational sar;
1713 if (ist->st->sample_aspect_ratio.num)
1714 sar = ist->st->sample_aspect_ratio;
1715 else
1716 sar = ist->st->codec->sample_aspect_ratio;
1717 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1718 }
1719 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1720 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1721 while (frame_available) {
1722 AVRational ist_pts_tb;
1723 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1724 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1725 if (ost->picref)
1726 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
6291d7e4 1727#endif
45f86128
AK		 1728 os = output_files[ost->file_index].ctx;
1729
1730 /* set the input output pts pairs */
1731 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1732
1733 if (ost->encoding_needed) {
1734 av_assert0(ist->decoding_needed);
1735 switch(ost->st->codec->codec_type) {
1736 case AVMEDIA_TYPE_AUDIO:
1737 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1738 break;
1739 case AVMEDIA_TYPE_VIDEO:
6291d7e4 1740#if CONFIG_AVFILTER
45f86128
AK		 1741 if (ost->picref->video && !ost->frame_aspect_ratio)
1742 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
6291d7e4 1743#endif
45f86128
AK		 1744 do_video_out(os, ost, ist, &picture, &frame_size,
1745 same_quant ? quality : ost->st->codec->global_quality);
1746 if (vstats_filename && frame_size)
1747 do_video_stats(os, ost, frame_size);
1748 break;
1749 case AVMEDIA_TYPE_SUBTITLE:
1750 do_subtitle_out(os, ost, ist, &subtitle,
1751 pkt->pts);
1752 break;
1753 default:
1754 abort();
1755 }
1756 } else {
1757 AVFrame avframe; //FIXME/XXX remove this
1758 AVPacket opkt;
1759 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
6291d7e4 1760
45f86128 1761 av_init_packet(&opkt);
6291d7e4 1762
45f86128 1763 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
6291d7e4 1764#if !CONFIG_AVFILTER
45f86128 1765 continue;
6291d7e4 1766#else
45f86128 1767 goto cont;
6291d7e4
AK		 1768#endif
1769
45f86128
AK		 1770 /* no reencoding needed : output the packet directly */
1771 /* force the input stream PTS */
1772
1773 avcodec_get_frame_defaults(&avframe);
1774 ost->st->codec->coded_frame= &avframe;
1775 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1776
1777 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1778 audio_size += data_size;
1779 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1780 video_size += data_size;
1781 ost->sync_opts++;
6291d7e4 1782 }
45f86128
AK		 1783
1784 opkt.stream_index= ost->index;
1785 if(pkt->pts != AV_NOPTS_VALUE)
1786 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1787 else
1788 opkt.pts= AV_NOPTS_VALUE;
1789
1790 if (pkt->dts == AV_NOPTS_VALUE)
1791 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1792 else
1793 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1794 opkt.dts -= ost_tb_start_time;
1795
1796 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1797 opkt.flags= pkt->flags;
1798
1799 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1800 if( ost->st->codec->codec_id != CODEC_ID_H264
1801 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1802 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1803 ) {
1804 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1805 opkt.destruct= av_destruct_packet;
1806 } else {
1807 opkt.data = data_buf;
1808 opkt.size = data_size;
1809 }
1810
1811 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1812 ost->st->codec->frame_number++;
1813 ost->frame_number++;
1814 av_free_packet(&opkt);
6291d7e4 1815 }
45f86128
AK		 1816#if CONFIG_AVFILTER
1817 cont:
1818 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1819 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1820 if (ost->picref)
1821 avfilter_unref_buffer(ost->picref);
1822 }
6291d7e4 1823#endif
6291d7e4
AK		 1824 }
1825
1826 av_free(buffer_to_free);
1827 /* XXX: allocate the subtitles in the codec ? */
1828 if (subtitle_to_free) {
1829 avsubtitle_free(subtitle_to_free);
1830 subtitle_to_free = NULL;
1831 }
1832 }
1833 discard_packet:
6291d7e4
AK		 1834
1835 return 0;
1836}
1837
af70aa45 1838static void print_sdp(OutputFile *output_files, int n)
6291d7e4
AK		 1839{
1840 char sdp[2048];
af70aa45
AK		 1841 int i;
1842 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1843
1844 if (!avc)
1845 exit_program(1);
1846 for (i = 0; i < n; i++)
1847 avc[i] = output_files[i].ctx;
6291d7e4
AK		 1848
1849 av_sdp_create(avc, n, sdp, sizeof(sdp));
1850 printf("SDP:\n%s\n", sdp);
1851 fflush(stdout);
af70aa45 1852 av_freep(&avc);
6291d7e4
AK		 1853}
1854
630902a1
AK		 1855static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1856 char *error, int error_len)
1857{
1858 int i;
1859 InputStream *ist = &input_streams[ist_index];
1860 if (ist->decoding_needed) {
1861 AVCodec *codec = ist->dec;
630902a1 1862 if (!codec) {
62486948 1863 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d.%d",
630902a1
AK		 1864 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1865 return AVERROR(EINVAL);
1866 }
1867
1868 /* update requested sample format for the decoder based on the
1869 corresponding encoder sample format */
1870 for (i = 0; i < nb_output_streams; i++) {
1871 OutputStream *ost = &output_streams[i];
1872 if (ost->source_index == ist_index) {
1873 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1874 break;
1875 }
1876 }
1877
1878 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
62486948 1879 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
630902a1
AK		 1880 ist->file_index, ist->st->index);
1881 return AVERROR(EINVAL);
1882 }
1883 assert_codec_experimental(ist->st->codec, 0);
1884 assert_avoptions(ist->opts);
1885 }
1886
1887 ist->pts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames*AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
1888 ist->next_pts = AV_NOPTS_VALUE;
1889 init_pts_correction(&ist->pts_ctx);
1890 ist->is_start = 1;
1891
1892 return 0;
1893}
1894
eaf2d37a
AC		 1895static int transcode_init(OutputFile *output_files,
1896 int nb_output_files,
1897 InputFile *input_files,
1898 int nb_input_files)
6291d7e4 1899{
630902a1 1900 int ret = 0, i;
eaf2d37a 1901 AVFormatContext *os;
6291d7e4 1902 AVCodecContext *codec, *icodec;
4288e031 1903 OutputStream *ost;
6291d7e4
AK		 1904 InputStream *ist;
1905 char error[1024];
1906 int want_sdp = 1;
b0c9e8e0 1907
6291d7e4
AK		 1908 if (rate_emu)
1909 for (i = 0; i < nb_input_streams; i++)
1910 input_streams[i].start = av_gettime();
1911
1912 /* output stream init */
6291d7e4 1913 for(i=0;i<nb_output_files;i++) {
af70aa45 1914 os = output_files[i].ctx;
6291d7e4 1915 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
af70aa45 1916 av_dump_format(os, i, os->filename, 1);
6291d7e4 1917 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
eaf2d37a 1918 return AVERROR(EINVAL);
6291d7e4 1919 }
6291d7e4
AK		 1920 }
1921
1922 /* for each output stream, we compute the right encoding parameters */
4288e031
AK		 1923 for (i = 0; i < nb_output_streams; i++) {
1924 ost = &output_streams[i];
af70aa45 1925 os = output_files[ost->file_index].ctx;
6291d7e4
AK		 1926 ist = &input_streams[ost->source_index];
1927
1928 codec = ost->st->codec;
1929 icodec = ist->st->codec;
1930
6291d7e4
AK		 1931 ost->st->disposition = ist->st->disposition;
1932 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1933 codec->chroma_sample_location = icodec->chroma_sample_location;
1934
1935 if (ost->st->stream_copy) {
1936 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1937
e6d2b737 1938 if (extra_size > INT_MAX) {
eaf2d37a 1939 return AVERROR(EINVAL);
e6d2b737 1940 }
6291d7e4
AK		 1941
1942 /* if stream_copy is selected, no need to decode or encode */
1943 codec->codec_id = icodec->codec_id;
1944 codec->codec_type = icodec->codec_type;
1945
1946 if(!codec->codec_tag){
1947 if( !os->oformat->codec_tag
1948 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1949 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1950 codec->codec_tag = icodec->codec_tag;
1951 }
1952
1953 codec->bit_rate = icodec->bit_rate;
1954 codec->rc_max_rate = icodec->rc_max_rate;
1955 codec->rc_buffer_size = icodec->rc_buffer_size;
1956 codec->extradata= av_mallocz(extra_size);
e6d2b737 1957 if (!codec->extradata) {
eaf2d37a 1958 return AVERROR(ENOMEM);
e6d2b737 1959 }
6291d7e4
AK		 1960 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1961 codec->extradata_size= icodec->extradata_size;
1962 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){
1963 codec->time_base = icodec->time_base;
1964 codec->time_base.num *= icodec->ticks_per_frame;
1965 av_reduce(&codec->time_base.num, &codec->time_base.den,
1966 codec->time_base.num, codec->time_base.den, INT_MAX);
1967 }else
1968 codec->time_base = ist->st->time_base;
1969 switch(codec->codec_type) {
1970 case AVMEDIA_TYPE_AUDIO:
1971 if(audio_volume != 256) {
1972 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1973 exit_program(1);
1974 }
1975 codec->channel_layout = icodec->channel_layout;
1976 codec->sample_rate = icodec->sample_rate;
1977 codec->channels = icodec->channels;
1978 codec->frame_size = icodec->frame_size;
1979 codec->audio_service_type = icodec->audio_service_type;
1980 codec->block_align= icodec->block_align;
1981 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1982 codec->block_align= 0;
1983 if(codec->codec_id == CODEC_ID_AC3)
1984 codec->block_align= 0;
1985 break;
1986 case AVMEDIA_TYPE_VIDEO:
1987 codec->pix_fmt = icodec->pix_fmt;
1988 codec->width = icodec->width;
1989 codec->height = icodec->height;
1990 codec->has_b_frames = icodec->has_b_frames;
1991 if (!codec->sample_aspect_ratio.num) {
1992 codec->sample_aspect_ratio =
1993 ost->st->sample_aspect_ratio =
1994 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1995 ist->st->codec->sample_aspect_ratio.num ?
1996 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1997 }
1998 break;
1999 case AVMEDIA_TYPE_SUBTITLE:
2000 codec->width = icodec->width;
2001 codec->height = icodec->height;
2002 break;
2003 case AVMEDIA_TYPE_DATA:
2004 break;
2005 default:
2006 abort();
2007 }
2008 } else {
2009 if (!ost->enc)
2010 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2011 switch(codec->codec_type) {
2012 case AVMEDIA_TYPE_AUDIO:
2013 ost->fifo= av_fifo_alloc(1024);
e6d2b737 2014 if (!ost->fifo) {
eaf2d37a 2015 return AVERROR(ENOMEM);
e6d2b737 2016 }
6291d7e4
AK		 2017 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2018 if (!codec->sample_rate) {
2019 codec->sample_rate = icodec->sample_rate;
2020 if (icodec->lowres)
2021 codec->sample_rate >>= icodec->lowres;
2022 }
2023 choose_sample_rate(ost->st, ost->enc);
2024 codec->time_base = (AVRational){1, codec->sample_rate};
2025 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2026 codec->sample_fmt = icodec->sample_fmt;
2027 choose_sample_fmt(ost->st, ost->enc);
2028 if (!codec->channels)
2029 codec->channels = icodec->channels;
2030 codec->channel_layout = icodec->channel_layout;
2031 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2032 codec->channel_layout = 0;
2033 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2034 icodec->request_channels = codec->channels;
2035 ist->decoding_needed = 1;
2036 ost->encoding_needed = 1;
2037 ost->resample_sample_fmt = icodec->sample_fmt;
2038 ost->resample_sample_rate = icodec->sample_rate;
2039 ost->resample_channels = icodec->channels;
2040 break;
2041 case AVMEDIA_TYPE_VIDEO:
2042 if (codec->pix_fmt == PIX_FMT_NONE)
2043 codec->pix_fmt = icodec->pix_fmt;
2044 choose_pixel_fmt(ost->st, ost->enc);
2045
2046 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2047 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2048 exit_program(1);
2049 }
2050
2051 if (!codec->width || !codec->height) {
2052 codec->width = icodec->width;
2053 codec->height = icodec->height;
2054 }
2055
2056 ost->video_resample = codec->width != icodec->width ||
2057 codec->height != icodec->height ||
2058 codec->pix_fmt != icodec->pix_fmt;
2059 if (ost->video_resample) {
2060#if !CONFIG_AVFILTER
2061 avcodec_get_frame_defaults(&ost->pict_tmp);
2062 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2063 codec->width, codec->height)) {
2064 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2065 exit_program(1);
2066 }
2067 ost->img_resample_ctx = sws_getContext(
2068 icodec->width,
2069 icodec->height,
2070 icodec->pix_fmt,
2071 codec->width,
2072 codec->height,
2073 codec->pix_fmt,
2074 ost->sws_flags, NULL, NULL, NULL);
2075 if (ost->img_resample_ctx == NULL) {
2076 fprintf(stderr, "Cannot get resampling context\n");
2077 exit_program(1);
2078 }
2079#endif
2080 codec->bits_per_raw_sample= 0;
2081 }
2082
2083 ost->resample_height = icodec->height;
2084 ost->resample_width = icodec->width;
2085 ost->resample_pix_fmt= icodec->pix_fmt;
2086 ost->encoding_needed = 1;
2087 ist->decoding_needed = 1;
2088
2089 if (!ost->frame_rate.num)
2090 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2091 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2092 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2093 ost->frame_rate = ost->enc->supported_framerates[idx];
2094 }
2095 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2096
2097#if CONFIG_AVFILTER
2098 if (configure_video_filters(ist, ost)) {
2099 fprintf(stderr, "Error opening filters!\n");
2100 exit(1);
2101 }
2102#endif
2103 break;
2104 case AVMEDIA_TYPE_SUBTITLE:
2105 ost->encoding_needed = 1;
2106 ist->decoding_needed = 1;
2107 break;
2108 default:
2109 abort();
2110 break;
2111 }
2112 /* two pass mode */
2113 if (ost->encoding_needed &&
2114 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2115 char logfilename[1024];
2116 FILE *f;
2117
2118 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2119 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2120 i);
2121 if (codec->flags & CODEC_FLAG_PASS1) {
2122 f = fopen(logfilename, "wb");
2123 if (!f) {
2124 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2125 exit_program(1);
2126 }
2127 ost->logfile = f;
2128 } else {
2129 char *logbuffer;
2130 size_t logbuffer_size;
2131 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2132 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2133 exit_program(1);
2134 }
2135 codec->stats_in = logbuffer;
2136 }
2137 }
2138 }
2139 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2140 int size= codec->width * codec->height;
2141 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2142 }
2143 }
2144
2145 if (!bit_buffer)
2146 bit_buffer = av_malloc(bit_buffer_size);
2147 if (!bit_buffer) {
2148 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2149 bit_buffer_size);
eaf2d37a 2150 return AVERROR(ENOMEM);
6291d7e4
AK		 2151 }
2152
2153 /* open each encoder */
4288e031
AK		 2154 for (i = 0; i < nb_output_streams; i++) {
2155 ost = &output_streams[i];
6291d7e4
AK		 2156 if (ost->encoding_needed) {
2157 AVCodec *codec = ost->enc;
2158 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2159 if (!codec) {
2160 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2161 ost->st->codec->codec_id, ost->file_index, ost->index);
2162 ret = AVERROR(EINVAL);
2163 goto dump_format;
2164 }
2165 if (dec->subtitle_header) {
2166 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2167 if (!ost->st->codec->subtitle_header) {
2168 ret = AVERROR(ENOMEM);
2169 goto dump_format;
2170 }
2171 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2172 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2173 }
2174 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2175 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2176 ost->file_index, ost->index);
2177 ret = AVERROR(EINVAL);
2178 goto dump_format;
2179 }
2180 assert_codec_experimental(ost->st->codec, 1);
2181 assert_avoptions(ost->opts);
2182 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2183 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2184 "It takes bits/s as argument, not kbits/s\n");
2185 extra_size += ost->st->codec->extradata_size;
2186 }
2187 }
2188
630902a1
AK		 2189 /* init input streams */
2190 for (i = 0; i < nb_input_streams; i++)
62486948 2191 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
630902a1 2192 goto dump_format;
6291d7e4 2193
6291d7e4 2194 /* open files and write file headers */
af70aa45
AK		 2195 for (i = 0; i < nb_output_files; i++) {
2196 os = output_files[i].ctx;
2197 if (avformat_write_header(os, &output_files[i].opts) < 0) {
6291d7e4
AK		 2198 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2199 ret = AVERROR(EINVAL);
2200 goto dump_format;
2201 }
af70aa45
AK		 2202 assert_avoptions(output_files[i].opts);
2203 if (strcmp(os->oformat->name, "rtp")) {
6291d7e4
AK		 2204 want_sdp = 0;
2205 }
2206 }
2207
2208 dump_format:
2209 /* dump the file output parameters - cannot be done before in case
2210 of stream copy */
2211 for(i=0;i<nb_output_files;i++) {
af70aa45 2212 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
6291d7e4
AK		 2213 }
2214
2215 /* dump the stream mapping */
2216 if (verbose >= 0) {
2217 fprintf(stderr, "Stream mapping:\n");
4288e031
AK		 2218 for (i = 0; i < nb_output_streams;i ++) {
2219 ost = &output_streams[i];
6291d7e4
AK		 2220 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2221 input_streams[ost->source_index].file_index,
2222 input_streams[ost->source_index].st->index,
2223 ost->file_index,
2224 ost->index);
2225 if (ost->sync_ist != &input_streams[ost->source_index])
2226 fprintf(stderr, " [sync #%d.%d]",
2227 ost->sync_ist->file_index,
2228 ost->sync_ist->st->index);
ad42126a
AK		 2229 if (ost->st->stream_copy)
2230 fprintf(stderr, " (copy)");
bc8c5051
NG		 2231 else
2232 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2233 input_streams[ost->source_index].dec->name : "?",
2234 ost->enc ? ost->enc->name : "?");
6291d7e4
AK		 2235 fprintf(stderr, "\n");
2236 }
2237 }
2238
2239 if (ret) {
2240 fprintf(stderr, "%s\n", error);
eaf2d37a 2241 return ret;
6291d7e4
AK		 2242 }
2243
2244 if (want_sdp) {
2245 print_sdp(output_files, nb_output_files);
2246 }
2247
eaf2d37a
AC		 2248 return 0;
2249}
2250
2251/*
2252 * The following code is the main loop of the file converter
2253 */
2254static int transcode(OutputFile *output_files,
2255 int nb_output_files,
2256 InputFile *input_files,
2257 int nb_input_files)
2258{
2259 int ret, i;
2260 AVFormatContext *is, *os;
2261 OutputStream *ost;
2262 InputStream *ist;
2263 uint8_t *no_packet;
2264 int no_packet_count=0;
2265 int64_t timer_start;
2266
2267 if (!(no_packet = av_mallocz(nb_input_files)))
2268 exit_program(1);
2269
2270 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2271 if (ret < 0)
2272 goto fail;
2273
6291d7e4
AK		 2274 if (verbose >= 0)
2275 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2276 term_init();
2277
2278 timer_start = av_gettime();
2279
2280 for(; received_sigterm == 0;) {
2281 int file_index, ist_index;
2282 AVPacket pkt;
9be3c124 2283 int64_t ipts_min;
6291d7e4
AK		 2284 double opts_min;
2285
9be3c124 2286 ipts_min = INT64_MAX;
6291d7e4
AK		 2287 opts_min= 1e100;
2288
2289 /* select the stream that we must read now by looking at the
2290 smallest output pts */
2291 file_index = -1;
4288e031 2292 for (i = 0; i < nb_output_streams; i++) {
f21f294e 2293 OutputFile *of;
9be3c124
AC		 2294 int64_t ipts;
2295 double opts;
4288e031 2296 ost = &output_streams[i];
f21f294e 2297 of = &output_files[ost->file_index];
af70aa45 2298 os = output_files[ost->file_index].ctx;
6291d7e4 2299 ist = &input_streams[ost->source_index];
f21f294e
AK		 2300 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2301 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
6291d7e4 2302 continue;
c0931508 2303 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
9be3c124 2304 ipts = ist->pts;
6291d7e4
AK		 2305 if (!input_files[ist->file_index].eof_reached){
2306 if(ipts < ipts_min) {
2307 ipts_min = ipts;
2308 if(input_sync ) file_index = ist->file_index;
2309 }
2310 if(opts < opts_min) {
2311 opts_min = opts;
2312 if(!input_sync) file_index = ist->file_index;
2313 }
2314 }
96139b5e
AK		 2315 if (ost->frame_number >= ost->max_frames) {
2316 int j;
2317 for (j = of->ost_index; j < of->ctx->nb_streams; j++)
2318 output_streams[j].is_past_recording_time = 1;
2319 continue;
6291d7e4
AK		 2320 }
2321 }
2322 /* if none, if is finished */
2323 if (file_index < 0) {
2324 if(no_packet_count){
2325 no_packet_count=0;
b0c9e8e0 2326 memset(no_packet, 0, nb_input_files);
6291d7e4
AK		 2327 usleep(10000);
2328 continue;
2329 }
2330 break;
2331 }
2332
6291d7e4
AK		 2333 /* read a frame from it and output it in the fifo */
2334 is = input_files[file_index].ctx;
2335 ret= av_read_frame(is, &pkt);
2336 if(ret == AVERROR(EAGAIN)){
2337 no_packet[file_index]=1;
2338 no_packet_count++;
2339 continue;
2340 }
2341 if (ret < 0) {
2342 input_files[file_index].eof_reached = 1;
2343 if (opt_shortest)
2344 break;
2345 else
2346 continue;
2347 }
2348
2349 no_packet_count=0;
b0c9e8e0 2350 memset(no_packet, 0, nb_input_files);
6291d7e4
AK		 2351
2352 if (do_pkt_dump) {
2353 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2354 is->streams[pkt.stream_index]);
2355 }
2356 /* the following test is needed in case new streams appear
2357 dynamically in stream : we ignore them */
ed5b1326 2358 if (pkt.stream_index >= input_files[file_index].nb_streams)
6291d7e4
AK		 2359 goto discard_packet;
2360 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2361 ist = &input_streams[ist_index];
2362 if (ist->discard)
2363 goto discard_packet;
2364
2365 if (pkt.dts != AV_NOPTS_VALUE)
2366 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2367 if (pkt.pts != AV_NOPTS_VALUE)
2368 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2369
33f75d72
AK		 2370 if(pkt.pts != AV_NOPTS_VALUE)
2371 pkt.pts *= ist->ts_scale;
2372 if(pkt.dts != AV_NOPTS_VALUE)
2373 pkt.dts *= ist->ts_scale;
6291d7e4
AK		 2374
2375// 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);
2376 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2377 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2378 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2379 int64_t delta= pkt_dts - ist->next_pts;
2380 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2381 input_files[ist->file_index].ts_offset -= delta;
2382 if (verbose > 2)
2383 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2384 delta, input_files[ist->file_index].ts_offset);
2385 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2386 if(pkt.pts != AV_NOPTS_VALUE)
2387 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2388 }
2389 }
2390
6291d7e4 2391 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
4288e031 2392 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
6291d7e4
AK		 2393
2394 if (verbose >= 0)
2395 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2396 ist->file_index, ist->st->index);
2397 if (exit_on_error)
2398 exit_program(1);
2399 av_free_packet(&pkt);
b9630bcf 2400 continue;
6291d7e4
AK		 2401 }
2402
2403 discard_packet:
2404 av_free_packet(&pkt);
2405
2406 /* dump report by using the output first video and audio streams */
c5ad2c2c 2407 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
6291d7e4
AK		 2408 }
2409
2410 /* at the end of stream, we must flush the decoder buffers */
2411 for (i = 0; i < nb_input_streams; i++) {
2412 ist = &input_streams[i];
2413 if (ist->decoding_needed) {
4288e031 2414 output_packet(ist, i, output_streams, nb_output_streams, NULL);
6291d7e4
AK		 2415 }
2416 }
b62b5cb6 2417 flush_encoders(output_streams, nb_output_streams);
6291d7e4
AK		 2418
2419 term_exit();
2420
2421 /* write the trailer if needed and close file */
2422 for(i=0;i<nb_output_files;i++) {
af70aa45 2423 os = output_files[i].ctx;
6291d7e4
AK		 2424 av_write_trailer(os);
2425 }
2426
2427 /* dump report by using the first video and audio streams */
c5ad2c2c 2428 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
6291d7e4
AK		 2429
2430 /* close each encoder */
4288e031
AK		 2431 for (i = 0; i < nb_output_streams; i++) {
2432 ost = &output_streams[i];
6291d7e4
AK		 2433 if (ost->encoding_needed) {
2434 av_freep(&ost->st->codec->stats_in);
2435 avcodec_close(ost->st->codec);
2436 }
2437#if CONFIG_AVFILTER
2438 avfilter_graph_free(&ost->graph);
2439#endif
2440 }
2441
2442 /* close each decoder */
2443 for (i = 0; i < nb_input_streams; i++) {
2444 ist = &input_streams[i];
2445 if (ist->decoding_needed) {
2446 avcodec_close(ist->st->codec);
2447 }
2448 }
2449
2450 /* finished ! */
2451 ret = 0;
2452
2453 fail:
2454 av_freep(&bit_buffer);
b0c9e8e0 2455 av_freep(&no_packet);
6291d7e4 2456
4288e031
AK		 2457 if (output_streams) {
2458 for (i = 0; i < nb_output_streams; i++) {
2459 ost = &output_streams[i];
6291d7e4
AK		 2460 if (ost) {
2461 if (ost->st->stream_copy)
2462 av_freep(&ost->st->codec->extradata);
2463 if (ost->logfile) {
2464 fclose(ost->logfile);
2465 ost->logfile = NULL;
2466 }
2467 av_fifo_free(ost->fifo); /* works even if fifo is not
2468 initialized but set to zero */
2469 av_freep(&ost->st->codec->subtitle_header);
2470 av_free(ost->pict_tmp.data[0]);
2471 av_free(ost->forced_kf_pts);
2472 if (ost->video_resample)
2473 sws_freeContext(ost->img_resample_ctx);
2474 if (ost->resample)
2475 audio_resample_close(ost->resample);
2476 if (ost->reformat_ctx)
2477 av_audio_convert_free(ost->reformat_ctx);
2478 av_dict_free(&ost->opts);
6291d7e4
AK		 2479 }
2480 }
6291d7e4
AK		 2481 }
2482 return ret;
2483}
2484
6291d7e4
AK		 2485static int opt_video_rc_override_string(const char *opt, const char *arg)
2486{
2487 video_rc_override_string = arg;
2488 return 0;
2489}
2490
2491static int opt_me_threshold(const char *opt, const char *arg)
2492{
2493 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2494 return 0;
2495}
2496
2497static int opt_verbose(const char *opt, const char *arg)
2498{
2499 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2500 return 0;
2501}
2502
2503static int opt_frame_rate(const char *opt, const char *arg)
2504{
2505 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2506 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2507 exit_program(1);
2508 }
2509 return 0;
2510}
2511
6291d7e4
AK		 2512static int opt_frame_size(const char *opt, const char *arg)
2513{
2514 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2515 fprintf(stderr, "Incorrect frame size\n");
2516 return AVERROR(EINVAL);
2517 }
2518 return 0;
2519}
2520
6291d7e4
AK		 2521static int opt_frame_pix_fmt(const char *opt, const char *arg)
2522{
2523 if (strcmp(arg, "list")) {
2524 frame_pix_fmt = av_get_pix_fmt(arg);
2525 if (frame_pix_fmt == PIX_FMT_NONE) {
2526 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2527 return AVERROR(EINVAL);
2528 }
2529 } else {
2530 show_pix_fmts();
2531 exit_program(0);
2532 }
2533 return 0;
2534}
2535
2536static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2537{
2538 int x = 0, y = 0;
2539 double ar = 0;
2540 const char *p;
2541 char *end;
2542
2543 p = strchr(arg, ':');
2544 if (p) {
2545 x = strtol(arg, &end, 10);
2546 if (end == p)
2547 y = strtol(end+1, &end, 10);
2548 if (x > 0 && y > 0)
2549 ar = (double)x / (double)y;
2550 } else
2551 ar = strtod(arg, NULL);
2552
2553 if (!ar) {
2554 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2555 return AVERROR(EINVAL);
2556 }
2557 frame_aspect_ratio = ar;
2558 return 0;
2559}
2560
6291d7e4
AK		 2561static int opt_qscale(const char *opt, const char *arg)
2562{
2563 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2564 if (video_qscale == 0) {
2565 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2566 return AVERROR(EINVAL);
2567 }
2568 return 0;
2569}
2570
2571static int opt_top_field_first(const char *opt, const char *arg)
2572{
2573 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2574 return 0;
2575}
2576
6291d7e4
AK		 2577static int opt_audio_sample_fmt(const char *opt, const char *arg)
2578{
2579 if (strcmp(arg, "list")) {
2580 audio_sample_fmt = av_get_sample_fmt(arg);
2581 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2582 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2583 return AVERROR(EINVAL);
2584 }
2585 } else {
2586 int i;
2587 char fmt_str[128];
2588 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2589 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2590 exit_program(0);
2591 }
2592 return 0;
2593}
2594
2595static int opt_audio_rate(const char *opt, const char *arg)
2596{
2597 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2598 return 0;
2599}
2600
2601static int opt_audio_channels(const char *opt, const char *arg)
2602{
2603 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2604 return 0;
2605}
2606
35e6f8c1 2607static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2608{
35e6f8c1 2609 return parse_option(o, "codec:a", arg, options);
6291d7e4
AK		 2610}
2611
35e6f8c1 2612static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2613{
35e6f8c1 2614 return parse_option(o, "codec:v", arg, options);
6291d7e4
AK		 2615}
2616
35e6f8c1 2617static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2618{
35e6f8c1 2619 return parse_option(o, "codec:s", arg, options);
6291d7e4
AK		 2620}
2621
35e6f8c1 2622static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2623{
35e6f8c1 2624 return parse_option(o, "codec:d", arg, options);
6291d7e4
AK		 2625}
2626
2627static int opt_codec_tag(const char *opt, const char *arg)
2628{
2629 char *tail;
2630 uint32_t *codec_tag;
2631
2632 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2633 !strcmp(opt, "vtag") ? &video_codec_tag :
2634 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2635 if (!codec_tag)
2636 return -1;
2637
2638 *codec_tag = strtol(arg, &tail, 0);
2639 if (!tail || *tail)
2640 *codec_tag = AV_RL32(arg);
2641
2642 return 0;
2643}
2644
575ec4e1 2645static int opt_map(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2646{
8d2e4a7e
AK		 2647 StreamMap *m = NULL;
2648 int i, negative = 0, file_idx;
2649 int sync_file_idx = -1, sync_stream_idx;
2650 char *p, *sync;
2651 char *map;
6291d7e4 2652
8d2e4a7e
AK		 2653 if (*arg == '-') {
2654 negative = 1;
2655 arg++;
2656 }
2657 map = av_strdup(arg);
6291d7e4 2658
8d2e4a7e
AK		 2659 /* parse sync stream first, just pick first matching stream */
2660 if (sync = strchr(map, ',')) {
2661 *sync = 0;
2662 sync_file_idx = strtol(sync + 1, &sync, 0);
2663 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2664 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2665 exit_program(1);
2666 }
2667 if (*sync)
2668 sync++;
ed5b1326 2669 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
8d2e4a7e
AK		 2670 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2671 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2672 sync_stream_idx = i;
2673 break;
2674 }
ed5b1326 2675 if (i == input_files[sync_file_idx].nb_streams) {
8d2e4a7e
AK		 2676 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2677 "match any streams.\n", arg);
2678 exit_program(1);
2679 }
2680 }
6291d7e4 2681
8d2e4a7e
AK		 2682
2683 file_idx = strtol(map, &p, 0);
2684 if (file_idx >= nb_input_files || file_idx < 0) {
2685 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2686 exit_program(1);
6291d7e4 2687 }
8d2e4a7e
AK		 2688 if (negative)
2689 /* disable some already defined maps */
575ec4e1
AK		 2690 for (i = 0; i < o->nb_stream_maps; i++) {
2691 m = &o->stream_maps[i];
8d2e4a7e
AK		 2692 if (check_stream_specifier(input_files[m->file_index].ctx,
2693 input_files[m->file_index].ctx->streams[m->stream_index],
2694 *p == ':' ? p + 1 : p) > 0)
2695 m->disabled = 1;
2696 }
2697 else
ed5b1326 2698 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
8d2e4a7e
AK		 2699 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2700 *p == ':' ? p + 1 : p) <= 0)
2701 continue;
575ec4e1
AK		 2702 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2703 &o->nb_stream_maps, o->nb_stream_maps + 1);
2704 m = &o->stream_maps[o->nb_stream_maps - 1];
8d2e4a7e
AK		 2705
2706 m->file_index = file_idx;
2707 m->stream_index = i;
2708
2709 if (sync_file_idx >= 0) {
2710 m->sync_file_index = sync_file_idx;
2711 m->sync_stream_index = sync_stream_idx;
2712 } else {
2713 m->sync_file_index = file_idx;
2714 m->sync_stream_index = i;
2715 }
2716 }
2717
2718 if (!m) {
2719 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2720 exit_program(1);
2721 }
2722
2723 av_freep(&map);
6291d7e4
AK		 2724 return 0;
2725}
2726
e6e6060c 2727static void parse_meta_type(char *arg, char *type, int *index)
6291d7e4 2728{
039267f1 2729 if (*arg) {
6291d7e4
AK		 2730 *type = *(++arg);
2731 switch (*arg) {
2732 case 'g':
2733 break;
2734 case 's':
2735 case 'c':
2736 case 'p':
e6e6060c
AK		 2737 if (*(++arg) == ':')
2738 *index = strtol(++arg, NULL, 0);
6291d7e4
AK		 2739 break;
2740 default:
2741 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2742 exit_program(1);
2743 }
2744 } else
2745 *type = 'g';
2746}
2747
847529f8 2748static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
6291d7e4
AK		 2749{
2750 MetadataMap *m, *m1;
2751 char *p;
2752
847529f8
AK		 2753 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
2754 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
6291d7e4 2755
847529f8 2756 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
6291d7e4 2757 m->file = strtol(arg, &p, 0);
039267f1 2758 parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
6291d7e4 2759
847529f8 2760 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
e6e6060c 2761 if (p = strchr(opt, ':'))
039267f1 2762 parse_meta_type(p + 1, &m1->type, &m1->index);
e6e6060c
AK		 2763 else
2764 m1->type = 'g';
6291d7e4
AK		 2765
2766 if (m->type == 'g' || m1->type == 'g')
847529f8 2767 o->metadata_global_manual = 1;
6291d7e4 2768 if (m->type == 's' || m1->type == 's')
847529f8 2769 o->metadata_streams_manual = 1;
6291d7e4 2770 if (m->type == 'c' || m1->type == 'c')
847529f8 2771 o->metadata_chapters_manual = 1;
6291d7e4
AK		 2772
2773 return 0;
2774}
2775
169f0647
AK		 2776static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2777{
2778 const char *codec_string = encoder ? "encoder" : "decoder";
2779 AVCodec *codec;
2780
2781 if(!name)
2782 return CODEC_ID_NONE;
2783 codec = encoder ?
2784 avcodec_find_encoder_by_name(name) :
2785 avcodec_find_decoder_by_name(name);
2786 if(!codec) {
2787 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2788 exit_program(1);
2789 }
2790 if(codec->type != type) {
2791 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2792 exit_program(1);
2793 }
2794 return codec->id;
2795}
2796
35e6f8c1 2797static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type)
169f0647 2798{
169f0647 2799 char *codec_name = NULL;
169f0647 2800
35e6f8c1 2801 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
169f0647
AK		 2802
2803 if (!codec_name) {
6cd9d0f7
AK		 2804 if (s->oformat) {
2805 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2806 return avcodec_find_encoder(st->codec->codec_id);
2807 }
169f0647
AK		 2808 } else if (!strcmp(codec_name, "copy"))
2809 st->stream_copy = 1;
2810 else {
2811 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2812 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2813 avcodec_find_decoder_by_name(codec_name);
2814 }
2815
2816 return NULL;
2817}
6291d7e4 2818
88867844
AK		 2819/**
2820 * Add all the streams from the given input file to the global
2821 * list of input streams.
2822 */
35e6f8c1 2823static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
88867844 2824{
33f75d72 2825 int i, rfps, rfps_base;
88867844
AK		 2826
2827 for (i = 0; i < ic->nb_streams; i++) {
2828 AVStream *st = ic->streams[i];
2829 AVCodecContext *dec = st->codec;
2830 InputStream *ist;
33f75d72 2831 double scale = 1.0;
88867844 2832
88867844
AK		 2833 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2834 ist = &input_streams[nb_input_streams - 1];
2835 ist->st = st;
2836 ist->file_index = nb_input_files;
2837 ist->discard = 1;
2838 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2839
33f75d72
AK		 2840 MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
2841 ist->ts_scale = scale;
88867844 2842
35e6f8c1 2843 ist->dec = choose_codec(o, ic, st, dec->codec_type);
c74b44de
AK		 2844 if (!ist->dec)
2845 ist->dec = avcodec_find_decoder(dec->codec_id);
88867844
AK		 2846
2847 switch (dec->codec_type) {
2848 case AVMEDIA_TYPE_AUDIO:
2849 if(audio_disable)
2850 st->discard= AVDISCARD_ALL;
2851 break;
2852 case AVMEDIA_TYPE_VIDEO:
2853 rfps = ic->streams[i]->r_frame_rate.num;
2854 rfps_base = ic->streams[i]->r_frame_rate.den;
2855 if (dec->lowres) {
2856 dec->flags |= CODEC_FLAG_EMU_EDGE;
2857 dec->height >>= dec->lowres;
2858 dec->width >>= dec->lowres;
2859 }
2860 if(me_threshold)
2861 dec->debug |= FF_DEBUG_MV;
2862
2863 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2864
2865 if (verbose >= 0)
2866 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2867 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2868
2869 (float)rfps / rfps_base, rfps, rfps_base);
2870 }
2871
2872 if(video_disable)
2873 st->discard= AVDISCARD_ALL;
2874 else if(video_discard)
2875 st->discard= video_discard;
2876 break;
2877 case AVMEDIA_TYPE_DATA:
2878 break;
2879 case AVMEDIA_TYPE_SUBTITLE:
2880 if(subtitle_disable)
2881 st->discard = AVDISCARD_ALL;
2882 break;
2883 case AVMEDIA_TYPE_ATTACHMENT:
2884 case AVMEDIA_TYPE_UNKNOWN:
2885 break;
2886 default:
2887 abort();
2888 }
2889 }
2890}
2891
575ec4e1 2892static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
6291d7e4
AK		 2893{
2894 AVFormatContext *ic;
2895 AVInputFormat *file_iformat = NULL;
88867844 2896 int err, i, ret;
6291d7e4
AK		 2897 int64_t timestamp;
2898 uint8_t buf[128];
2899 AVDictionary **opts;
2900 int orig_nb_streams; // number of streams before avformat_find_stream_info
2901
7041bb3b
AK		 2902 if (o->format) {
2903 if (!(file_iformat = av_find_input_format(o->format))) {
2904 fprintf(stderr, "Unknown input format: '%s'\n", o->format);
6291d7e4
AK		 2905 exit_program(1);
2906 }
6291d7e4
AK		 2907 }
2908
2909 if (!strcmp(filename, "-"))
2910 filename = "pipe:";
2911
2912 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2913 !strcmp(filename, "/dev/stdin");
2914
2915 /* get default parameters from command line */
2916 ic = avformat_alloc_context();
2917 if (!ic) {
2918 print_error(filename, AVERROR(ENOMEM));
2919 exit_program(1);
2920 }
2921 if (audio_sample_rate) {
2922 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
2923 av_dict_set(&format_opts, "sample_rate", buf, 0);
2924 }
2925 if (audio_channels) {
2926 snprintf(buf, sizeof(buf), "%d", audio_channels);
2927 av_dict_set(&format_opts, "channels", buf, 0);
2928 }
2929 if (frame_rate.num) {
2930 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
2931 av_dict_set(&format_opts, "framerate", buf, 0);
2932 }
2933 if (frame_width && frame_height) {
2934 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
2935 av_dict_set(&format_opts, "video_size", buf, 0);
2936 }
2937 if (frame_pix_fmt != PIX_FMT_NONE)
2938 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
2939
6291d7e4
AK		 2940 ic->flags |= AVFMT_FLAG_NONBLOCK;
2941
2942 /* open the input file with generic libav function */
2943 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2944 if (err < 0) {
2945 print_error(filename, err);
2946 exit_program(1);
2947 }
2948 assert_avoptions(format_opts);
2949
2950 if(opt_programid) {
2951 int i, j;
2952 int found=0;
2953 for(i=0; i<ic->nb_streams; i++){
2954 ic->streams[i]->discard= AVDISCARD_ALL;
2955 }
2956 for(i=0; i<ic->nb_programs; i++){
2957 AVProgram *p= ic->programs[i];
2958 if(p->id != opt_programid){
2959 p->discard = AVDISCARD_ALL;
2960 }else{
2961 found=1;
2962 for(j=0; j<p->nb_stream_indexes; j++){
2963 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
2964 }
2965 }
2966 }
2967 if(!found){
2968 fprintf(stderr, "Specified program id not found\n");
2969 exit_program(1);
2970 }
2971 opt_programid=0;
2972 }
2973
92f1940e
AK		 2974 /* apply forced codec ids */
2975 for (i = 0; i < ic->nb_streams; i++)
35e6f8c1 2976 choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type);
92f1940e 2977
6291d7e4
AK		 2978 /* Set AVCodecContext options for avformat_find_stream_info */
2979 opts = setup_find_stream_info_opts(ic, codec_opts);
2980 orig_nb_streams = ic->nb_streams;
2981
2982 /* If not enough info to get the stream parameters, we decode the
2983 first frames to get it. (used in mpeg case for example) */
2984 ret = avformat_find_stream_info(ic, opts);
2985 if (ret < 0 && verbose >= 0) {
2986 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2987 av_close_input_file(ic);
2988 exit_program(1);
2989 }
2990
6b779ccc 2991 timestamp = o->start_time;
6291d7e4
AK		 2992 /* add the stream start time */
2993 if (ic->start_time != AV_NOPTS_VALUE)
2994 timestamp += ic->start_time;
2995
2996 /* if seeking requested, we execute it */
6b779ccc 2997 if (o->start_time != 0) {
6291d7e4
AK		 2998 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2999 if (ret < 0) {
3000 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3001 filename, (double)timestamp / AV_TIME_BASE);
3002 }
6291d7e4
AK		 3003 }
3004
3005 /* update the current parameters so that they match the one of the input stream */
35e6f8c1 3006 add_input_streams(o, ic);
6291d7e4
AK		 3007
3008 /* dump the file content */
3009 if (verbose >= 0)
3010 av_dump_format(ic, nb_input_files, filename, 0);
3011
3012 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3013 input_files[nb_input_files - 1].ctx = ic;
3014 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
6b779ccc 3015 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
ed5b1326 3016 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
6291d7e4
AK		 3017
3018 frame_rate = (AVRational){0, 0};
3019 frame_pix_fmt = PIX_FMT_NONE;
3020 frame_height = 0;
3021 frame_width = 0;
3022 audio_sample_rate = 0;
3023 audio_channels = 0;
3024 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
6291d7e4
AK		 3025
3026 for (i = 0; i < orig_nb_streams; i++)
3027 av_dict_free(&opts[i]);
3028 av_freep(&opts);
575ec4e1
AK		 3029
3030 reset_options(o);
6291d7e4
AK		 3031 return 0;
3032}
3033
f233cfed
AK		 3034static void parse_forced_key_frames(char *kf, OutputStream *ost,
3035 AVCodecContext *avctx)
3036{
3037 char *p;
3038 int n = 1, i;
3039 int64_t t;
3040
3041 for (p = kf; *p; p++)
3042 if (*p == ',')
3043 n++;
3044 ost->forced_kf_count = n;
3045 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3046 if (!ost->forced_kf_pts) {
3047 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3048 exit_program(1);
3049 }
3050 for (i = 0; i < n; i++) {
3051 p = i ? strchr(p, ',') + 1 : kf;
3052 t = parse_time_or_die("force_key_frames", p, 1);
3053 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3054 }
3055}
3056
35e6f8c1 3057static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
169f0647
AK		 3058{
3059 OutputStream *ost;
3060 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3061 int idx = oc->nb_streams - 1;
96139b5e 3062 int64_t max_frames = INT64_MAX;
169f0647
AK		 3063
3064 if (!st) {
3065 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3066 exit_program(1);
3067 }
3068
4288e031
AK		 3069 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3070 nb_output_streams + 1);
3071 ost = &output_streams[nb_output_streams - 1];
40fc2810 3072 ost->file_index = nb_output_files;
169f0647
AK		 3073 ost->index = idx;
3074 ost->st = st;
3075 st->codec->codec_type = type;
35e6f8c1 3076 ost->enc = choose_codec(o, oc, st, type);
169f0647
AK		 3077 if (ost->enc) {
3078 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3079 }
3080
3081 avcodec_get_context_defaults3(st->codec, ost->enc);
3082 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3083
96139b5e
AK		 3084 MATCH_PER_STREAM_OPT(max_frames, i64, max_frames, oc, st);
3085 ost->max_frames = max_frames;
3086
169f0647
AK		 3087 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3088 return ost;
3089}
3090
35e6f8c1 3091static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK		 3092{
3093 AVStream *st;
3094 OutputStream *ost;
3095 AVCodecContext *video_enc;
6291d7e4 3096
35e6f8c1 3097 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
6291d7e4 3098 st = ost->st;
92f1940e 3099 if (!st->stream_copy) {
6291d7e4
AK		 3100 ost->frame_aspect_ratio = frame_aspect_ratio;
3101 frame_aspect_ratio = 0;
3102#if CONFIG_AVFILTER
3103 ost->avfilter= vfilters;
3104 vfilters = NULL;
3105#endif
3106 }
3107
3108 ost->bitstream_filters = video_bitstream_filters;
3109 video_bitstream_filters= NULL;
3110
6291d7e4
AK		 3111 video_enc = st->codec;
3112
3113 if(video_codec_tag)
3114 video_enc->codec_tag= video_codec_tag;
3115
3116 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3117 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3118 }
3119
92f1940e 3120 if (st->stream_copy) {
6291d7e4
AK		 3121 video_enc->sample_aspect_ratio =
3122 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3123 } else {
3124 const char *p;
3125 int i;
3126
3127 if (frame_rate.num)
3128 ost->frame_rate = frame_rate;
6291d7e4
AK		 3129
3130 video_enc->width = frame_width;
3131 video_enc->height = frame_height;
3132 video_enc->pix_fmt = frame_pix_fmt;
3133 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3134
f4ad238c 3135 if (video_qscale || same_quant) {
6291d7e4
AK		 3136 video_enc->flags |= CODEC_FLAG_QSCALE;
3137 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3138 }
3139
3140 if(intra_matrix)
3141 video_enc->intra_matrix = intra_matrix;
3142 if(inter_matrix)
3143 video_enc->inter_matrix = inter_matrix;
3144
3145 p= video_rc_override_string;
3146 for(i=0; p; i++){
3147 int start, end, q;
3148 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3149 if(e!=3){
3150 fprintf(stderr, "error parsing rc_override\n");
3151 exit_program(1);
3152 }
3153 video_enc->rc_override=
3154 av_realloc(video_enc->rc_override,
3155 sizeof(RcOverride)*(i+1));
3156 video_enc->rc_override[i].start_frame= start;
3157 video_enc->rc_override[i].end_frame = end;
3158 if(q>0){
3159 video_enc->rc_override[i].qscale= q;
3160 video_enc->rc_override[i].quality_factor= 1.0;
3161 }
3162 else{
3163 video_enc->rc_override[i].qscale= 0;
3164 video_enc->rc_override[i].quality_factor= -q/100.0;
3165 }
3166 p= strchr(p, '/');
3167 if(p) p++;
3168 }
3169 video_enc->rc_override_count=i;
3170 if (!video_enc->rc_initial_buffer_occupancy)
3171 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3172 video_enc->me_threshold= me_threshold;
3173 video_enc->intra_dc_precision= intra_dc_precision - 8;
3174
3175 if (do_psnr)
3176 video_enc->flags|= CODEC_FLAG_PSNR;
3177
3178 /* two pass mode */
3179 if (do_pass) {
3180 if (do_pass == 1) {
3181 video_enc->flags |= CODEC_FLAG_PASS1;
3182 } else {
3183 video_enc->flags |= CODEC_FLAG_PASS2;
3184 }
3185 }
3186
3187 if (forced_key_frames)
3188 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3189 }
3190 if (video_language) {
3191 av_dict_set(&st->metadata, "language", video_language, 0);
3192 av_freep(&video_language);
3193 }
3194
3195 /* reset some key parameters */
3196 video_disable = 0;
6291d7e4 3197 av_freep(&forced_key_frames);
6291d7e4 3198 frame_pix_fmt = PIX_FMT_NONE;
3d4f0dab 3199 return ost;
6291d7e4
AK		 3200}
3201
35e6f8c1 3202static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK		 3203{
3204 AVStream *st;
3205 OutputStream *ost;
6291d7e4 3206 AVCodecContext *audio_enc;
6291d7e4 3207
35e6f8c1 3208 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
6291d7e4
AK		 3209 st = ost->st;
3210
3211 ost->bitstream_filters = audio_bitstream_filters;
3212 audio_bitstream_filters= NULL;
3213
6291d7e4
AK		 3214 audio_enc = st->codec;
3215 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3216
3217 if(audio_codec_tag)
3218 audio_enc->codec_tag= audio_codec_tag;
3219
3220 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3221 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3222 }
92f1940e 3223 if (!st->stream_copy) {
6291d7e4
AK		 3224 if (audio_qscale > QSCALE_NONE) {
3225 audio_enc->flags |= CODEC_FLAG_QSCALE;
3226 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3227 }
3228 if (audio_channels)
3229 audio_enc->channels = audio_channels;
3230 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3231 audio_enc->sample_fmt = audio_sample_fmt;
3232 if (audio_sample_rate)
3233 audio_enc->sample_rate = audio_sample_rate;
3234 }
3235 if (audio_language) {
3236 av_dict_set(&st->metadata, "language", audio_language, 0);
3237 av_freep(&audio_language);
3238 }
3239
3240 /* reset some key parameters */
3241 audio_disable = 0;
3d4f0dab
AK		 3242
3243 return ost;
6291d7e4
AK		 3244}
3245
35e6f8c1 3246static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK		 3247{
3248 AVStream *st;
3249 OutputStream *ost;
3250 AVCodecContext *data_enc;
3251
35e6f8c1 3252 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
6291d7e4
AK		 3253 st = ost->st;
3254 data_enc = st->codec;
92f1940e 3255 if (!st->stream_copy) {
6291d7e4
AK		 3256 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3257 exit_program(1);
3258 }
3259
6291d7e4
AK		 3260 if (data_codec_tag)
3261 data_enc->codec_tag= data_codec_tag;
3262
3263 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3264 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3265 }
6291d7e4
AK		 3266
3267 data_disable = 0;
3d4f0dab 3268 return ost;
6291d7e4
AK		 3269}
3270
35e6f8c1 3271static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK		 3272{
3273 AVStream *st;
3274 OutputStream *ost;
6291d7e4 3275 AVCodecContext *subtitle_enc;
6291d7e4 3276
35e6f8c1 3277 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
6291d7e4
AK		 3278 st = ost->st;
3279 subtitle_enc = st->codec;
3280
3281 ost->bitstream_filters = subtitle_bitstream_filters;
3282 subtitle_bitstream_filters= NULL;
3283
3284 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3285
3286 if(subtitle_codec_tag)
3287 subtitle_enc->codec_tag= subtitle_codec_tag;
3288
3289 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3290 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3291 }
6291d7e4
AK		 3292
3293 if (subtitle_language) {
3294 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3295 av_freep(&subtitle_language);
3296 }
3297
3298 subtitle_disable = 0;
3d4f0dab 3299 return ost;
6291d7e4
AK		 3300}
3301
3302/* arg format is "output-stream-index:streamid-value". */
3303static int opt_streamid(const char *opt, const char *arg)
3304{
3305 int idx;
3306 char *p;
3307 char idx_str[16];
3308
3309 av_strlcpy(idx_str, arg, sizeof(idx_str));
3310 p = strchr(idx_str, ':');
3311 if (!p) {
3312 fprintf(stderr,
3313 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3314 arg, opt);
3315 exit_program(1);
3316 }
3317 *p++ = '\0';
3318 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3319 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3320 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3321 return 0;
3322}
3323
847529f8 3324static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
86530f41 3325{
6b779ccc
AK		 3326 AVFormatContext *is = ifile->ctx;
3327 AVFormatContext *os = ofile->ctx;
86530f41
AK		 3328 int i;
3329
3330 for (i = 0; i < is->nb_chapters; i++) {
3331 AVChapter *in_ch = is->chapters[i], *out_ch;
6b779ccc 3332 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
86530f41 3333 AV_TIME_BASE_Q, in_ch->time_base);
6b779ccc
AK		 3334 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3335 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
86530f41
AK		 3336
3337
3338 if (in_ch->end < ts_off)
3339 continue;
3340 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3341 break;
3342
3343 out_ch = av_mallocz(sizeof(AVChapter));
3344 if (!out_ch)
3345 return AVERROR(ENOMEM);
3346
3347 out_ch->id = in_ch->id;
3348 out_ch->time_base = in_ch->time_base;
3349 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3350 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3351
847529f8 3352 if (copy_metadata)
86530f41
AK		 3353 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3354
3355 os->nb_chapters++;
3356 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3357 if (!os->chapters)
3358 return AVERROR(ENOMEM);
3359 os->chapters[os->nb_chapters - 1] = out_ch;
3360 }
3361 return 0;
3362}
3363
35e6f8c1 3364static int read_avserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
169f0647
AK		 3365{
3366 int i, err;
3367 AVFormatContext *ic = NULL;
169f0647
AK		 3368
3369 err = avformat_open_input(&ic, filename, NULL, NULL);
3370 if (err < 0)
3371 return err;
3372 /* copy stream format */
3373 for(i=0;i<ic->nb_streams;i++) {
3374 AVStream *st;
3375 OutputStream *ost;
3376 AVCodec *codec;
3377
3378 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
35e6f8c1 3379 ost = new_output_stream(o, s, codec->type);
169f0647
AK		 3380 st = ost->st;
3381
3382 // FIXME: a more elegant solution is needed
3383 memcpy(st, ic->streams[i], sizeof(AVStream));
3384 st->info = NULL;
3385 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3386
3387 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3388 choose_sample_fmt(st, codec);
3389 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3390 choose_pixel_fmt(st, codec);
169f0647
AK		 3391 }
3392
3393 av_close_input_file(ic);
3394 return 0;
3395}
3396
7cc8d638 3397static void opt_output_file(void *optctx, const char *filename)
6291d7e4 3398{
575ec4e1 3399 OptionsContext *o = optctx;
6291d7e4 3400 AVFormatContext *oc;
3d4f0dab 3401 int i, err;
6291d7e4 3402 AVOutputFormat *file_oformat;
3d4f0dab
AK		 3403 OutputStream *ost;
3404 InputStream *ist;
6291d7e4
AK		 3405
3406 if (!strcmp(filename, "-"))
3407 filename = "pipe:";
3408
3409 oc = avformat_alloc_context();
3410 if (!oc) {
3411 print_error(filename, AVERROR(ENOMEM));
3412 exit_program(1);
3413 }
3414
7041bb3b
AK		 3415 if (o->format) {
3416 file_oformat = av_guess_format(o->format, NULL, NULL);
6291d7e4 3417 if (!file_oformat) {
7041bb3b 3418 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", o->format);
6291d7e4
AK		 3419 exit_program(1);
3420 }
6291d7e4
AK		 3421 } else {
3422 file_oformat = av_guess_format(NULL, filename, NULL);
3423 if (!file_oformat) {
3424 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3425 filename);
3426 exit_program(1);
3427 }
3428 }
3429
3430 oc->oformat = file_oformat;
3431 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3432
3433 if (!strcmp(file_oformat->name, "ffm") &&
3434 av_strstart(filename, "http:", NULL)) {
3435 /* special case for files sent to avserver: we get the stream
3436 parameters from avserver */
35e6f8c1 3437 int err = read_avserver_streams(o, oc, filename);
6291d7e4
AK		 3438 if (err < 0) {
3439 print_error(filename, err);
3440 exit_program(1);
3441 }
575ec4e1 3442 } else if (!o->nb_stream_maps) {
3d4f0dab
AK		 3443 /* pick the "best" stream of each type */
3444#define NEW_STREAM(type, index)\
3445 if (index >= 0) {\
35e6f8c1 3446 ost = new_ ## type ## _stream(o, oc);\
3d4f0dab
AK		 3447 ost->source_index = index;\
3448 ost->sync_ist = &input_streams[index];\
3449 input_streams[index].discard = 0;\
3450 }
3451
3452 /* video: highest resolution */
3453 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3454 int area = 0, idx = -1;
3455 for (i = 0; i < nb_input_streams; i++) {
3456 ist = &input_streams[i];
3457 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3458 ist->st->codec->width * ist->st->codec->height > area) {
3459 area = ist->st->codec->width * ist->st->codec->height;
3460 idx = i;
3461 }
3462 }
3463 NEW_STREAM(video, idx);
3464 }
3465
3466 /* audio: most channels */
3467 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3468 int channels = 0, idx = -1;
3469 for (i = 0; i < nb_input_streams; i++) {
3470 ist = &input_streams[i];
3471 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3472 ist->st->codec->channels > channels) {
3473 channels = ist->st->codec->channels;
3474 idx = i;
3475 }
3476 }
3477 NEW_STREAM(audio, idx);
3478 }
3479
3480 /* subtitles: pick first */
3481 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3482 for (i = 0; i < nb_input_streams; i++)
3483 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3484 NEW_STREAM(subtitle, i);
3485 break;
3486 }
3487 }
3488 /* do something with data? */
6291d7e4 3489 } else {
575ec4e1
AK		 3490 for (i = 0; i < o->nb_stream_maps; i++) {
3491 StreamMap *map = &o->stream_maps[i];
3d4f0dab 3492
8d2e4a7e
AK		 3493 if (map->disabled)
3494 continue;
3d4f0dab 3495
6cd9d0f7 3496 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3d4f0dab 3497 switch (ist->st->codec->codec_type) {
35e6f8c1
AK		 3498 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3499 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3500 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3501 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3d4f0dab
AK		 3502 default:
3503 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3504 map->file_index, map->stream_index);
3505 exit_program(1);
3506 }
3507
6cd9d0f7 3508 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3d4f0dab
AK		 3509 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3510 map->sync_stream_index];
3511 ist->discard = 0;
3512 }
6291d7e4
AK		 3513 }
3514
af70aa45
AK		 3515 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3516 output_files[nb_output_files - 1].ctx = oc;
4288e031 3517 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
6b779ccc
AK		 3518 output_files[nb_output_files - 1].recording_time = o->recording_time;
3519 output_files[nb_output_files - 1].start_time = o->start_time;
13ccba50 3520 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
af70aa45 3521 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
6291d7e4
AK		 3522
3523 /* check filename in case of an image number is expected */
3524 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3525 if (!av_filename_number_test(oc->filename)) {
3526 print_error(oc->filename, AVERROR(EINVAL));
3527 exit_program(1);
3528 }
3529 }
3530
3531 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3532 /* test if it already exists to avoid loosing precious files */
3533 if (!file_overwrite &&
3534 (strchr(filename, ':') == NULL ||
3535 filename[1] == ':' ||
3536 av_strstart(filename, "file:", NULL))) {
3537 if (avio_check(filename, 0) == 0) {
3538 if (!using_stdin) {
3539 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3540 fflush(stderr);
3541 if (!read_yesno()) {
3542 fprintf(stderr, "Not overwriting - exiting\n");
3543 exit_program(1);
3544 }
3545 }
3546 else {
3547 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3548 exit_program(1);
3549 }
3550 }
3551 }
3552
3553 /* open the file */
3554 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3555 print_error(filename, err);
3556 exit_program(1);
3557 }
3558 }
3559
3560 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3561 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
6291d7e4
AK		 3562 oc->flags |= AVFMT_FLAG_NONBLOCK;
3563
b9aac90b 3564 /* copy chapters */
c5bb372e
AK		 3565 if (o->chapters_input_file >= nb_input_files) {
3566 if (o->chapters_input_file == INT_MAX) {
b9aac90b 3567 /* copy chapters from the first input file that has them*/
c5bb372e 3568 o->chapters_input_file = -1;
b9aac90b
AK		 3569 for (i = 0; i < nb_input_files; i++)
3570 if (input_files[i].ctx->nb_chapters) {
c5bb372e 3571 o->chapters_input_file = i;
b9aac90b
AK		 3572 break;
3573 }
3574 } else {
3575 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
c5bb372e 3576 o->chapters_input_file);
b9aac90b
AK		 3577 exit_program(1);
3578 }
3579 }
c5bb372e
AK		 3580 if (o->chapters_input_file >= 0)
3581 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
847529f8 3582 o->metadata_chapters_manual);
b9aac90b 3583
e6e6060c 3584 /* copy metadata */
847529f8 3585 for (i = 0; i < o->nb_meta_data_maps; i++) {
e6e6060c
AK		 3586 AVFormatContext *files[2];
3587 AVDictionary **meta[2];
3588 int j;
3589
3590#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3591 if ((index) < 0 || (index) >= (nb_elems)) {\
3592 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3593 (desc), (index));\
3594 exit_program(1);\
3595 }
3596
847529f8 3597 int in_file_index = o->meta_data_maps[i][1].file;
e6e6060c
AK		 3598 if (in_file_index < 0)
3599 continue;
3600 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3601
3602 files[0] = oc;
3603 files[1] = input_files[in_file_index].ctx;
3604
3605 for (j = 0; j < 2; j++) {
847529f8 3606 MetadataMap *map = &o->meta_data_maps[i][j];
e6e6060c
AK		 3607
3608 switch (map->type) {
3609 case 'g':
3610 meta[j] = &files[j]->metadata;
3611 break;
3612 case 's':
3613 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3614 meta[j] = &files[j]->streams[map->index]->metadata;
3615 break;
3616 case 'c':
3617 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3618 meta[j] = &files[j]->chapters[map->index]->metadata;
3619 break;
3620 case 'p':
3621 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3622 meta[j] = &files[j]->programs[map->index]->metadata;
3623 break;
3624 }
3625 }
3626
3627 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3628 }
3629
3630 /* copy global metadata by default */
847529f8 3631 if (!o->metadata_global_manual && nb_input_files)
e6e6060c
AK		 3632 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3633 AV_DICT_DONT_OVERWRITE);
847529f8 3634 if (!o->metadata_streams_manual)
4288e031
AK		 3635 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3636 InputStream *ist = &input_streams[output_streams[i].source_index];
3637 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
e6e6060c
AK		 3638 }
3639
039267f1
AK		 3640 /* process manually set metadata */
3641 for (i = 0; i < o->nb_metadata; i++) {
3642 AVDictionary **m;
3643 char type, *val;
3644 int index = 0;
3645
3646 val = strchr(o->metadata[i].u.str, '=');
3647 if (!val) {
3648 av_log(NULL, AV_LOG_ERROR, "No '=' character in metadata string %s.\n",
3649 o->metadata[i].u.str);
3650 exit_program(1);
3651 }
3652 *val++ = 0;
3653
3654 parse_meta_type(o->metadata[i].specifier, &type, &index);
3655 switch (type) {
3656 case 'g':
3657 m = &oc->metadata;
3658 break;
3659 case 's':
3660 if (index < 0 || index >= oc->nb_streams) {
3661 av_log(NULL, AV_LOG_ERROR, "Invalid stream index %d in metadata specifier.\n", index);
3662 exit_program(1);
3663 }
3664 m = &oc->streams[i]->metadata;
3665 break;
3666 case 'c':
3667 if (index < 0 || index >= oc->nb_chapters) {
3668 av_log(NULL, AV_LOG_ERROR, "Invalid chapter index %d in metadata specifier.\n", index);
3669 exit_program(1);
3670 }
3671 m = &oc->chapters[i]->metadata;
3672 break;
3673 default:
3674 av_log(NULL, AV_LOG_ERROR, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
3675 exit_program(1);
3676 }
3677
3678 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
3679 }
3680
6291d7e4
AK		 3681 frame_rate = (AVRational){0, 0};
3682 frame_width = 0;
3683 frame_height = 0;
3684 audio_sample_rate = 0;
3685 audio_channels = 0;
3686 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3687
e922bbfa
AK		 3688 av_freep(&streamid_map);
3689 nb_streamid_map = 0;
e6e6060c 3690
6291d7e4 3691 av_freep(&forced_key_frames);
575ec4e1 3692 reset_options(o);
6291d7e4
AK		 3693}
3694
3695/* same option as mencoder */
3696static int opt_pass(const char *opt, const char *arg)
3697{
3698 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3699 return 0;
3700}
3701
3702static int64_t getutime(void)
3703{
3704#if HAVE_GETRUSAGE
3705 struct rusage rusage;
3706
3707 getrusage(RUSAGE_SELF, &rusage);
3708 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3709#elif HAVE_GETPROCESSTIMES
3710 HANDLE proc;
3711 FILETIME c, e, k, u;
3712 proc = GetCurrentProcess();
3713 GetProcessTimes(proc, &c, &e, &k, &u);
3714 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3715#else
3716 return av_gettime();
3717#endif
3718}
3719
3720static int64_t getmaxrss(void)
3721{
3722#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3723 struct rusage rusage;
3724 getrusage(RUSAGE_SELF, &rusage);
3725 return (int64_t)rusage.ru_maxrss * 1024;
3726#elif HAVE_GETPROCESSMEMORYINFO
3727 HANDLE proc;
3728 PROCESS_MEMORY_COUNTERS memcounters;
3729 proc = GetCurrentProcess();
3730 memcounters.cb = sizeof(memcounters);
3731 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3732 return memcounters.PeakPagefileUsage;
3733#else
3734 return 0;
3735#endif
3736}
3737
3738static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3739{
3740 int i;
3741 const char *p = str;
3742 for(i = 0;; i++) {
3743 dest[i] = atoi(p);
3744 if(i == 63)
3745 break;
3746 p = strchr(p, ',');
3747 if(!p) {
3748 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3749 exit_program(1);
3750 }
3751 p++;
3752 }
3753}
3754
3755static void opt_inter_matrix(const char *arg)
3756{
3757 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3758 parse_matrix_coeffs(inter_matrix, arg);
3759}
3760
3761static void opt_intra_matrix(const char *arg)
3762{
3763 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3764 parse_matrix_coeffs(intra_matrix, arg);
3765}
3766
3767static void show_usage(void)
3768{
3769 printf("Hyper fast Audio and Video encoder\n");
3770 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3771 printf("\n");
3772}
3773
3774static void show_help(void)
3775{
3776 AVCodec *c;
3777 AVOutputFormat *oformat = NULL;
3778 AVInputFormat *iformat = NULL;
20c21f8b 3779 const AVClass *class;
6291d7e4
AK		 3780
3781 av_log_set_callback(log_callback_help);
3782 show_usage();
3783 show_help_options(options, "Main options:\n",
3784 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3785 show_help_options(options, "\nAdvanced options:\n",
3786 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3787 OPT_EXPERT);
3788 show_help_options(options, "\nVideo options:\n",
3789 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3790 OPT_VIDEO);
3791 show_help_options(options, "\nAdvanced Video options:\n",
3792 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3793 OPT_VIDEO | OPT_EXPERT);
3794 show_help_options(options, "\nAudio options:\n",
3795 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3796 OPT_AUDIO);
3797 show_help_options(options, "\nAdvanced Audio options:\n",
3798 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3799 OPT_AUDIO | OPT_EXPERT);
3800 show_help_options(options, "\nSubtitle options:\n",
3801 OPT_SUBTITLE | OPT_GRAB,
3802 OPT_SUBTITLE);
3803 show_help_options(options, "\nAudio/Video grab options:\n",
3804 OPT_GRAB,
3805 OPT_GRAB);
3806 printf("\n");
20c21f8b
AK		 3807 class = avcodec_get_class();
3808 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
6291d7e4
AK		 3809 printf("\n");
3810
3811 /* individual codec options */
3812 c = NULL;
3813 while ((c = av_codec_next(c))) {
3814 if (c->priv_class) {
3815 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3816 printf("\n");
3817 }
3818 }
3819
20c21f8b
AK		 3820 class = avformat_get_class();
3821 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
6291d7e4
AK		 3822 printf("\n");
3823
3824 /* individual muxer options */
3825 while ((oformat = av_oformat_next(oformat))) {
3826 if (oformat->priv_class) {
3827 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3828 printf("\n");
3829 }
3830 }
3831
3832 /* individual demuxer options */
3833 while ((iformat = av_iformat_next(iformat))) {
3834 if (iformat->priv_class) {
3835 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3836 printf("\n");
3837 }
3838 }
3839
20c21f8b
AK		 3840 class = sws_get_class();
3841 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
6291d7e4
AK		 3842}
3843
7041bb3b 3844static int opt_target(OptionsContext *o, const char *opt, const char *arg)
6291d7e4
AK		 3845{
3846 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3847 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3848
3849 if(!strncmp(arg, "pal-", 4)) {
3850 norm = PAL;
3851 arg += 4;
3852 } else if(!strncmp(arg, "ntsc-", 5)) {
3853 norm = NTSC;
3854 arg += 5;
3855 } else if(!strncmp(arg, "film-", 5)) {
3856 norm = FILM;
3857 arg += 5;
3858 } else {
3859 int fr;
3860 /* Calculate FR via float to avoid int overflow */
3861 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3862 if(fr == 25000) {
3863 norm = PAL;
3864 } else if((fr == 29970) || (fr == 23976)) {
3865 norm = NTSC;
3866 } else {
3867 /* Try to determine PAL/NTSC by peeking in the input files */
3868 if(nb_input_files) {
3869 int i, j;
3870 for (j = 0; j < nb_input_files; j++) {
ed5b1326 3871 for (i = 0; i < input_files[j].nb_streams; i++) {
6291d7e4
AK		 3872 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3873 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3874 continue;
3875 fr = c->time_base.den * 1000 / c->time_base.num;
3876 if(fr == 25000) {
3877 norm = PAL;
3878 break;