avconv: add support for copying attachments.
[libav.git] / avconv.c
CommitLineData
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1/*
2 * avconv main
3 * Copyright (c) 2000-2011 The libav developers.
4 *
5 * This file is part of Libav.
6 *
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#include "config.h"
23#include <ctype.h>
24#include <string.h>
25#include <math.h>
26#include <stdlib.h>
27#include <errno.h>
28#include <signal.h>
29#include <limits.h>
30#include <unistd.h>
31#include "libavformat/avformat.h"
32#include "libavdevice/avdevice.h"
33#include "libswscale/swscale.h"
34#include "libavutil/opt.h"
35#include "libavcodec/audioconvert.h"
36#include "libavutil/audioconvert.h"
37#include "libavutil/parseutils.h"
38#include "libavutil/samplefmt.h"
39#include "libavutil/colorspace.h"
40#include "libavutil/fifo.h"
41#include "libavutil/intreadwrite.h"
42#include "libavutil/dict.h"
43#include "libavutil/mathematics.h"
44#include "libavutil/pixdesc.h"
45#include "libavutil/avstring.h"
46#include "libavutil/libm.h"
47#include "libavformat/os_support.h"
48
49#if CONFIG_AVFILTER
50# include "libavfilter/avfilter.h"
51# include "libavfilter/avfiltergraph.h"
52# include "libavfilter/vsrc_buffer.h"
53#endif
54
55#if HAVE_SYS_RESOURCE_H
56#include <sys/types.h>
57#include <sys/time.h>
58#include <sys/resource.h>
59#elif HAVE_GETPROCESSTIMES
60#include <windows.h>
61#endif
62#if HAVE_GETPROCESSMEMORYINFO
63#include <windows.h>
64#include <psapi.h>
65#endif
66
67#if HAVE_SYS_SELECT_H
68#include <sys/select.h>
69#endif
70
71#include <time.h>
72
73#include "cmdutils.h"
74
75#include "libavutil/avassert.h"
76
77const char program_name[] = "avconv";
78const int program_birth_year = 2000;
79
80/* select an input stream for an output stream */
81typedef struct StreamMap {
8d2e4a7e 82 int disabled; /** 1 is this mapping is disabled by a negative map */
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83 int file_index;
84 int stream_index;
85 int sync_file_index;
86 int sync_stream_index;
87} StreamMap;
88
89/**
90 * select an input file for an output file
91 */
92typedef struct MetadataMap {
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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
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96} MetadataMap;
97
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98static const OptionDef options[];
99
6291d7e4 100static int video_discard = 0;
f4ad238c 101static int same_quant = 0;
6291d7e4 102static int do_deinterlace = 0;
6291d7e4 103static int intra_dc_precision = 8;
6291d7e4 104static int qp_hist = 0;
6291d7e4 105
6291d7e4 106static int file_overwrite = 0;
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107static int do_benchmark = 0;
108static int do_hex_dump = 0;
109static int do_pkt_dump = 0;
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110static int do_pass = 0;
111static char *pass_logfilename_prefix = NULL;
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112static int video_sync_method= -1;
113static int audio_sync_method= 0;
114static float audio_drift_threshold= 0.1;
115static int copy_ts= 0;
116static int copy_tb;
117static int opt_shortest = 0;
118static char *vstats_filename;
119static FILE *vstats_file;
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120static int copy_initial_nonkeyframes = 0;
121
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122static int audio_volume = 256;
123
124static int exit_on_error = 0;
125static int using_stdin = 0;
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126static int64_t video_size = 0;
127static int64_t audio_size = 0;
128static int64_t extra_size = 0;
129static int nb_frames_dup = 0;
130static int nb_frames_drop = 0;
131static int input_sync;
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132
133static float dts_delta_threshold = 10;
134
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135static uint8_t *audio_buf;
136static uint8_t *audio_out;
137static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
138
139static short *samples;
140
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141#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
142
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143typedef struct InputStream {
144 int file_index;
145 AVStream *st;
146 int discard; /* true if stream data should be discarded */
147 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
148 AVCodec *dec;
149
150 int64_t start; /* time when read started */
151 int64_t next_pts; /* synthetic pts for cases where pkt.pts
152 is not defined */
153 int64_t pts; /* current pts */
154 PtsCorrectionContext pts_ctx;
155 double ts_scale;
156 int is_start; /* is 1 at the start and after a discontinuity */
157 int showed_multi_packet_warning;
158 AVDictionary *opts;
159} InputStream;
160
161typedef struct InputFile {
162 AVFormatContext *ctx;
163 int eof_reached; /* true if eof reached */
164 int ist_index; /* index of first stream in ist_table */
165 int buffer_size; /* current total buffer size */
166 int64_t ts_offset;
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167 int nb_streams; /* number of stream that avconv is aware of; may be different
168 from ctx.nb_streams if new streams appear during av_read_frame() */
f4805328 169 int rate_emu;
6494c001 170} InputFile;
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171
172typedef struct OutputStream {
173 int file_index; /* file index */
174 int index; /* stream index in the output file */
175 int source_index; /* InputStream index */
176 AVStream *st; /* stream in the output file */
177 int encoding_needed; /* true if encoding needed for this stream */
178 int frame_number;
179 /* input pts and corresponding output pts
180 for A/V sync */
181 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
182 struct InputStream *sync_ist; /* input stream to sync against */
183 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
184 AVBitStreamFilterContext *bitstream_filters;
185 AVCodec *enc;
96139b5e 186 int64_t max_frames;
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187
188 /* video only */
189 int video_resample;
190 AVFrame pict_tmp; /* temporary image for resampling */
191 struct SwsContext *img_resample_ctx; /* for image resampling */
192 int resample_height;
193 int resample_width;
194 int resample_pix_fmt;
195 AVRational frame_rate;
bef737a7 196 int force_fps;
828e0bcb 197 int top_field_first;
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198
199 float frame_aspect_ratio;
200
201 /* forced key frames */
202 int64_t *forced_kf_pts;
203 int forced_kf_count;
204 int forced_kf_index;
205
206 /* audio only */
207 int audio_resample;
208 ReSampleContext *resample; /* for audio resampling */
209 int resample_sample_fmt;
210 int resample_channels;
211 int resample_sample_rate;
212 int reformat_pair;
213 AVAudioConvert *reformat_ctx;
214 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
215 FILE *logfile;
216
217#if CONFIG_AVFILTER
218 AVFilterContext *output_video_filter;
219 AVFilterContext *input_video_filter;
220 AVFilterBufferRef *picref;
221 char *avfilter;
222 AVFilterGraph *graph;
223#endif
224
225 int sws_flags;
226 AVDictionary *opts;
ef44a607 227 int is_past_recording_time;
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228} OutputStream;
229
6291d7e4 230
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231typedef struct OutputFile {
232 AVFormatContext *ctx;
233 AVDictionary *opts;
4288e031 234 int ost_index; /* index of the first stream in output_streams */
ef44a607 235 int64_t recording_time; /* desired length of the resulting file in microseconds */
ea065176 236 int64_t start_time; /* start time in microseconds */
f21f294e 237 uint64_t limit_filesize;
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238} OutputFile;
239
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240static InputStream *input_streams = NULL;
241static int nb_input_streams = 0;
242static InputFile *input_files = NULL;
243static int nb_input_files = 0;
244
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245static OutputStream *output_streams = NULL;
246static int nb_output_streams = 0;
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247static OutputFile *output_files = NULL;
248static int nb_output_files = 0;
249
575ec4e1 250typedef struct OptionsContext {
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251 /* input/output options */
252 int64_t start_time;
7041bb3b 253 const char *format;
6b779ccc 254
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255 SpecifierOpt *codec_names;
256 int nb_codec_names;
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257 SpecifierOpt *audio_channels;
258 int nb_audio_channels;
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259 SpecifierOpt *audio_sample_rate;
260 int nb_audio_sample_rate;
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261 SpecifierOpt *frame_rates;
262 int nb_frame_rates;
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263 SpecifierOpt *frame_sizes;
264 int nb_frame_sizes;
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265 SpecifierOpt *frame_pix_fmts;
266 int nb_frame_pix_fmts;
35e6f8c1 267
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268 /* input options */
269 int64_t input_ts_offset;
f4805328 270 int rate_emu;
6b779ccc 271
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272 SpecifierOpt *ts_scale;
273 int nb_ts_scale;
274
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275 /* output options */
276 StreamMap *stream_maps;
277 int nb_stream_maps;
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278 /* first item specifies output metadata, second is input */
279 MetadataMap (*meta_data_maps)[2];
280 int nb_meta_data_maps;
281 int metadata_global_manual;
282 int metadata_streams_manual;
283 int metadata_chapters_manual;
6b779ccc 284
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285 int chapters_input_file;
286
6b779ccc 287 int64_t recording_time;
13ccba50 288 uint64_t limit_filesize;
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289 float mux_preload;
290 float mux_max_delay;
039267f1 291
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292 int video_disable;
293 int audio_disable;
294 int subtitle_disable;
295 int data_disable;
296
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297 /* indexed by output file stream index */
298 int *streamid_map;
299 int nb_streamid_map;
300
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301 SpecifierOpt *metadata;
302 int nb_metadata;
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303 SpecifierOpt *max_frames;
304 int nb_max_frames;
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305 SpecifierOpt *bitstream_filters;
306 int nb_bitstream_filters;
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307 SpecifierOpt *codec_tags;
308 int nb_codec_tags;
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309 SpecifierOpt *sample_fmts;
310 int nb_sample_fmts;
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311 SpecifierOpt *qscale;
312 int nb_qscale;
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313 SpecifierOpt *forced_key_frames;
314 int nb_forced_key_frames;
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315 SpecifierOpt *force_fps;
316 int nb_force_fps;
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317 SpecifierOpt *frame_aspect_ratios;
318 int nb_frame_aspect_ratios;
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319 SpecifierOpt *rc_overrides;
320 int nb_rc_overrides;
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321 SpecifierOpt *intra_matrices;
322 int nb_intra_matrices;
323 SpecifierOpt *inter_matrices;
324 int nb_inter_matrices;
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325 SpecifierOpt *top_field_first;
326 int nb_top_field_first;
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327#if CONFIG_AVFILTER
328 SpecifierOpt *filters;
329 int nb_filters;
330#endif
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331} OptionsContext;
332
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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
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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);
495ecfd1 370 av_freep(&o->streamid_map);
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371
372 memset(o, 0, sizeof(*o));
6b779ccc 373
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374 o->mux_preload = 0.5;
375 o->mux_max_delay = 0.7;
6b779ccc 376 o->recording_time = INT64_MAX;
13ccba50 377 o->limit_filesize = UINT64_MAX;
c5bb372e 378 o->chapters_input_file = INT_MAX;
6b779ccc 379
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380 uninit_opts();
381 init_opts();
382}
383
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384#if CONFIG_AVFILTER
385
386static int configure_video_filters(InputStream *ist, OutputStream *ost)
387{
388 AVFilterContext *last_filter, *filter;
389 /** filter graph containing all filters including input & output */
390 AVCodecContext *codec = ost->st->codec;
391 AVCodecContext *icodec = ist->st->codec;
392 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
393 AVRational sample_aspect_ratio;
394 char args[255];
395 int ret;
396
397 ost->graph = avfilter_graph_alloc();
398
399 if (ist->st->sample_aspect_ratio.num){
400 sample_aspect_ratio = ist->st->sample_aspect_ratio;
401 }else
402 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
403
404 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
405 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
406 sample_aspect_ratio.num, sample_aspect_ratio.den);
407
408 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
409 "src", args, NULL, ost->graph);
410 if (ret < 0)
411 return ret;
412 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
413 "out", NULL, &ffsink_ctx, ost->graph);
414 if (ret < 0)
415 return ret;
416 last_filter = ost->input_video_filter;
417
418 if (codec->width != icodec->width || codec->height != icodec->height) {
419 snprintf(args, 255, "%d:%d:flags=0x%X",
420 codec->width,
421 codec->height,
422 ost->sws_flags);
423 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
424 NULL, args, NULL, ost->graph)) < 0)
425 return ret;
426 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
427 return ret;
428 last_filter = filter;
429 }
430
431 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
432 ost->graph->scale_sws_opts = av_strdup(args);
433
434 if (ost->avfilter) {
435 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
436 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
437
438 outputs->name = av_strdup("in");
439 outputs->filter_ctx = last_filter;
440 outputs->pad_idx = 0;
441 outputs->next = NULL;
442
443 inputs->name = av_strdup("out");
444 inputs->filter_ctx = ost->output_video_filter;
445 inputs->pad_idx = 0;
446 inputs->next = NULL;
447
448 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
449 return ret;
450 av_freep(&ost->avfilter);
451 } else {
452 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
453 return ret;
454 }
455
456 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
457 return ret;
458
459 codec->width = ost->output_video_filter->inputs[0]->w;
460 codec->height = ost->output_video_filter->inputs[0]->h;
461 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
bb337b4f 462 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
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463 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
464 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
465
466 return 0;
467}
468#endif /* CONFIG_AVFILTER */
469
470static void term_exit(void)
471{
472 av_log(NULL, AV_LOG_QUIET, "");
473}
474
475static volatile int received_sigterm = 0;
476static volatile int received_nb_signals = 0;
477
478static void
479sigterm_handler(int sig)
480{
481 received_sigterm = sig;
482 received_nb_signals++;
483 term_exit();
484}
485
486static void term_init(void)
487{
488 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
489 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
490#ifdef SIGXCPU
491 signal(SIGXCPU, sigterm_handler);
492#endif
493}
494
495static int decode_interrupt_cb(void)
496{
497 return received_nb_signals > 1;
498}
499
dad09ff9 500void exit_program(int ret)
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501{
502 int i;
503
504 /* close files */
505 for(i=0;i<nb_output_files;i++) {
af70aa45 506 AVFormatContext *s = output_files[i].ctx;
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507 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
508 avio_close(s->pb);
509 avformat_free_context(s);
af70aa45 510 av_dict_free(&output_files[i].opts);
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511 }
512 for(i=0;i<nb_input_files;i++) {
513 av_close_input_file(input_files[i].ctx);
514 }
515 for (i = 0; i < nb_input_streams; i++)
516 av_dict_free(&input_streams[i].opts);
517
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518 if (vstats_file)
519 fclose(vstats_file);
520 av_free(vstats_filename);
521
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522 av_freep(&input_streams);
523 av_freep(&input_files);
4288e031 524 av_freep(&output_streams);
af70aa45 525 av_freep(&output_files);
6291d7e4 526
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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) {
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538 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
539 (int) received_sigterm);
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540 exit (255);
541 }
542
543 exit(ret); /* not all OS-es handle main() return value */
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544}
545
546static void assert_avoptions(AVDictionary *m)
547{
548 AVDictionaryEntry *t;
549 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
f24facd3 550 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
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551 exit_program(1);
552 }
553}
554
555static void assert_codec_experimental(AVCodecContext *c, int encoder)
556{
557 const char *codec_string = encoder ? "encoder" : "decoder";
558 AVCodec *codec;
559 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
560 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
f24facd3 561 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
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562 "results.\nAdd '-strict experimental' if you want to use it.\n",
563 codec_string, c->codec->name);
564 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
565 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
f24facd3 566 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
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567 codec_string, codec->name);
568 exit_program(1);
569 }
570}
571
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572static void choose_sample_fmt(AVStream *st, AVCodec *codec)
573{
574 if(codec && codec->sample_fmts){
575 const enum AVSampleFormat *p= codec->sample_fmts;
576 for(; *p!=-1; p++){
577 if(*p == st->codec->sample_fmt)
578 break;
579 }
580 if (*p == -1) {
581 av_log(NULL, AV_LOG_WARNING,
582 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
583 av_get_sample_fmt_name(st->codec->sample_fmt),
584 codec->name,
585 av_get_sample_fmt_name(codec->sample_fmts[0]));
586 st->codec->sample_fmt = codec->sample_fmts[0];
587 }
588 }
589}
590
591/**
592 * Update the requested input sample format based on the output sample format.
593 * This is currently only used to request float output from decoders which
594 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
595 * Ideally this will be removed in the future when decoders do not do format
596 * conversion and only output in their native format.
597 */
598static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
599 AVCodecContext *enc)
600{
601 /* if sample formats match or a decoder sample format has already been
602 requested, just return */
603 if (enc->sample_fmt == dec->sample_fmt ||
604 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
605 return;
606
607 /* if decoder supports more than one output format */
608 if (dec_codec && dec_codec->sample_fmts &&
609 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
610 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
611 const enum AVSampleFormat *p;
612 int min_dec = -1, min_inc = -1;
613
614 /* find a matching sample format in the encoder */
615 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
616 if (*p == enc->sample_fmt) {
617 dec->request_sample_fmt = *p;
618 return;
619 } else if (*p > enc->sample_fmt) {
620 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
621 } else
622 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
623 }
624
625 /* if none match, provide the one that matches quality closest */
626 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
627 enc->sample_fmt - min_dec;
628 }
629}
630
631static void choose_sample_rate(AVStream *st, AVCodec *codec)
632{
633 if(codec && codec->supported_samplerates){
634 const int *p= codec->supported_samplerates;
635 int best=0;
636 int best_dist=INT_MAX;
637 for(; *p; p++){
638 int dist= abs(st->codec->sample_rate - *p);
639 if(dist < best_dist){
640 best_dist= dist;
641 best= *p;
642 }
643 }
644 if(best_dist){
645 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
646 }
647 st->codec->sample_rate= best;
648 }
649}
650
651static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
652{
653 if(codec && codec->pix_fmts){
654 const enum PixelFormat *p= codec->pix_fmts;
655 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
656 if(st->codec->codec_id==CODEC_ID_MJPEG){
657 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
658 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
659 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};
660 }
661 }
662 for(; *p!=-1; p++){
663 if(*p == st->codec->pix_fmt)
664 break;
665 }
666 if (*p == -1) {
667 if(st->codec->pix_fmt != PIX_FMT_NONE)
668 av_log(NULL, AV_LOG_WARNING,
669 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
670 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
671 codec->name,
672 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
673 st->codec->pix_fmt = codec->pix_fmts[0];
674 }
675 }
676}
677
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678static double
679get_sync_ipts(const OutputStream *ost)
680{
681 const InputStream *ist = ost->sync_ist;
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682 OutputFile *of = &output_files[ost->file_index];
683 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
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684}
685
686static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
687 int ret;
688
689 while(bsfc){
690 AVPacket new_pkt= *pkt;
691 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
692 &new_pkt.data, &new_pkt.size,
693 pkt->data, pkt->size,
694 pkt->flags & AV_PKT_FLAG_KEY);
695 if(a>0){
696 av_free_packet(pkt);
697 new_pkt.destruct= av_destruct_packet;
698 } else if(a<0){
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699 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
700 bsfc->filter->name, pkt->stream_index,
701 avctx->codec ? avctx->codec->name : "copy");
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702 print_error("", a);
703 if (exit_on_error)
704 exit_program(1);
705 }
706 *pkt= new_pkt;
707
708 bsfc= bsfc->next;
709 }
710
711 ret= av_interleaved_write_frame(s, pkt);
712 if(ret < 0){
713 print_error("av_interleaved_write_frame()", ret);
714 exit_program(1);
715 }
716}
717
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718static void do_audio_out(AVFormatContext *s,
719 OutputStream *ost,
720 InputStream *ist,
721 unsigned char *buf, int size)
722{
723 uint8_t *buftmp;
724 int64_t audio_out_size, audio_buf_size;
725 int64_t allocated_for_size= size;
726
727 int size_out, frame_bytes, ret, resample_changed;
728 AVCodecContext *enc= ost->st->codec;
729 AVCodecContext *dec= ist->st->codec;
730 int osize = av_get_bytes_per_sample(enc->sample_fmt);
731 int isize = av_get_bytes_per_sample(dec->sample_fmt);
732 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
733
734need_realloc:
735 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
736 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
737 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
738 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
739 audio_buf_size*= osize*enc->channels;
740
741 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
742 if(coded_bps > 8*osize)
743 audio_out_size= audio_out_size * coded_bps / (8*osize);
744 audio_out_size += FF_MIN_BUFFER_SIZE;
745
746 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
e3245b26 747 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
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748 exit_program(1);
749 }
750
751 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
752 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
753 if (!audio_buf || !audio_out){
e3245b26 754 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
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755 exit_program(1);
756 }
757
758 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
759 ost->audio_resample = 1;
760
761 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
762 ost->resample_channels != dec->channels ||
763 ost->resample_sample_rate != dec->sample_rate;
764
765 if ((ost->audio_resample && !ost->resample) || resample_changed) {
766 if (resample_changed) {
767 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",
768 ist->file_index, ist->st->index,
769 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
770 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
771 ost->resample_sample_fmt = dec->sample_fmt;
772 ost->resample_channels = dec->channels;
773 ost->resample_sample_rate = dec->sample_rate;
774 if (ost->resample)
775 audio_resample_close(ost->resample);
776 }
777 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
778 if (audio_sync_method <= 1 &&
779 ost->resample_sample_fmt == enc->sample_fmt &&
780 ost->resample_channels == enc->channels &&
781 ost->resample_sample_rate == enc->sample_rate) {
782 ost->resample = NULL;
783 ost->audio_resample = 0;
784 } else if (ost->audio_resample) {
785 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
e3245b26 786 av_log(NULL, AV_LOG_WARNING, "Using s16 intermediate sample format for resampling\n");
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787 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
788 enc->sample_rate, dec->sample_rate,
789 enc->sample_fmt, dec->sample_fmt,
790 16, 10, 0, 0.8);
791 if (!ost->resample) {
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792 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
793 dec->channels, dec->sample_rate,
794 enc->channels, enc->sample_rate);
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795 exit_program(1);
796 }
797 }
798 }
799
800#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
801 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
802 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
803 if (ost->reformat_ctx)
804 av_audio_convert_free(ost->reformat_ctx);
805 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
806 dec->sample_fmt, 1, NULL, 0);
807 if (!ost->reformat_ctx) {
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808 av_log(NULL, AV_LOG_FATAL, "Cannot convert %s sample format to %s sample format\n",
809 av_get_sample_fmt_name(dec->sample_fmt),
810 av_get_sample_fmt_name(enc->sample_fmt));
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811 exit_program(1);
812 }
813 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
814 }
815
816 if(audio_sync_method){
817 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
818 - av_fifo_size(ost->fifo)/(enc->channels * 2);
819 double idelta= delta*dec->sample_rate / enc->sample_rate;
820 int byte_delta= ((int)idelta)*2*dec->channels;
821
822 //FIXME resample delay
823 if(fabs(delta) > 50){
824 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
825 if(byte_delta < 0){
826 byte_delta= FFMAX(byte_delta, -size);
827 size += byte_delta;
828 buf -= byte_delta;
e3245b26 829 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n", (int)-delta);
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830 if(!size)
831 return;
832 ist->is_start=0;
833 }else{
834 static uint8_t *input_tmp= NULL;
835 input_tmp= av_realloc(input_tmp, byte_delta + size);
836
837 if(byte_delta > allocated_for_size - size){
838 allocated_for_size= byte_delta + (int64_t)size;
839 goto need_realloc;
840 }
841 ist->is_start=0;
842
843 memset(input_tmp, 0, byte_delta);
844 memcpy(input_tmp + byte_delta, buf, size);
845 buf= input_tmp;
846 size += byte_delta;
e3245b26 847 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", (int)delta);
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848 }
849 }else if(audio_sync_method>1){
850 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
851 av_assert0(ost->audio_resample);
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852 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
853 delta, comp, enc->sample_rate);
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854// 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));
855 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
856 }
857 }
858 }else
859 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
860 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
861
862 if (ost->audio_resample) {
863 buftmp = audio_buf;
864 size_out = audio_resample(ost->resample,
865 (short *)buftmp, (short *)buf,
866 size / (dec->channels * isize));
867 size_out = size_out * enc->channels * osize;
868 } else {
869 buftmp = buf;
870 size_out = size;
871 }
872
873 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
874 const void *ibuf[6]= {buftmp};
875 void *obuf[6]= {audio_buf};
876 int istride[6]= {isize};
877 int ostride[6]= {osize};
878 int len= size_out/istride[0];
879 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
880 printf("av_audio_convert() failed\n");
881 if (exit_on_error)
882 exit_program(1);
883 return;
884 }
885 buftmp = audio_buf;
886 size_out = len*osize;
887 }
888
889 /* now encode as many frames as possible */
890 if (enc->frame_size > 1) {
891 /* output resampled raw samples */
892 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
e3245b26 893 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
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894 exit_program(1);
895 }
896 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
897
898 frame_bytes = enc->frame_size * osize * enc->channels;
899
900 while (av_fifo_size(ost->fifo) >= frame_bytes) {
901 AVPacket pkt;
902 av_init_packet(&pkt);
903
904 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
905
906 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
907
908 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
909 (short *)audio_buf);
910 if (ret < 0) {
e3245b26 911 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
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912 exit_program(1);
913 }
914 audio_size += ret;
915 pkt.stream_index= ost->index;
916 pkt.data= audio_out;
917 pkt.size= ret;
918 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
919 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
920 pkt.flags |= AV_PKT_FLAG_KEY;
921 write_frame(s, &pkt, enc, ost->bitstream_filters);
922
923 ost->sync_opts += enc->frame_size;
924 }
925 } else {
926 AVPacket pkt;
927 av_init_packet(&pkt);
928
929 ost->sync_opts += size_out / (osize * enc->channels);
930
931 /* output a pcm frame */
932 /* determine the size of the coded buffer */
933 size_out /= osize;
934 if (coded_bps)
935 size_out = size_out*coded_bps/8;
936
937 if(size_out > audio_out_size){
e3245b26 938 av_log(NULL, AV_LOG_FATAL, "Internal error, buffer size too small\n");
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939 exit_program(1);
940 }
941
942 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
943 ret = avcodec_encode_audio(enc, audio_out, size_out,
944 (short *)buftmp);
945 if (ret < 0) {
e3245b26 946 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
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947 exit_program(1);
948 }
949 audio_size += ret;
950 pkt.stream_index= ost->index;
951 pkt.data= audio_out;
952 pkt.size= ret;
953 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
954 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
955 pkt.flags |= AV_PKT_FLAG_KEY;
956 write_frame(s, &pkt, enc, ost->bitstream_filters);
957 }
958}
959
960static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
961{
962 AVCodecContext *dec;
963 AVPicture *picture2;
964 AVPicture picture_tmp;
965 uint8_t *buf = 0;
966
967 dec = ist->st->codec;
968
969 /* deinterlace : must be done before any resize */
970 if (do_deinterlace) {
971 int size;
972
973 /* create temporary picture */
974 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
975 buf = av_malloc(size);
976 if (!buf)
977 return;
978
979 picture2 = &picture_tmp;
980 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
981
982 if(avpicture_deinterlace(picture2, picture,
983 dec->pix_fmt, dec->width, dec->height) < 0) {
984 /* if error, do not deinterlace */
e3245b26 985 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
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986 av_free(buf);
987 buf = NULL;
988 picture2 = picture;
989 }
990 } else {
991 picture2 = picture;
992 }
993
994 if (picture != picture2)
995 *picture = *picture2;
996 *bufp = buf;
997}
998
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999static void do_subtitle_out(AVFormatContext *s,
1000 OutputStream *ost,
1001 InputStream *ist,
1002 AVSubtitle *sub,
1003 int64_t pts)
1004{
1005 static uint8_t *subtitle_out = NULL;
1006 int subtitle_out_max_size = 1024 * 1024;
1007 int subtitle_out_size, nb, i;
1008 AVCodecContext *enc;
1009 AVPacket pkt;
1010
1011 if (pts == AV_NOPTS_VALUE) {
e3245b26 1012 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
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1013 if (exit_on_error)
1014 exit_program(1);
1015 return;
1016 }
1017
1018 enc = ost->st->codec;
1019
1020 if (!subtitle_out) {
1021 subtitle_out = av_malloc(subtitle_out_max_size);
1022 }
1023
1024 /* Note: DVB subtitle need one packet to draw them and one other
1025 packet to clear them */
1026 /* XXX: signal it in the codec context ? */
1027 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1028 nb = 2;
1029 else
1030 nb = 1;
1031
1032 for(i = 0; i < nb; i++) {
1033 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1034 // start_display_time is required to be 0
1035 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1036 sub->end_display_time -= sub->start_display_time;
1037 sub->start_display_time = 0;
1038 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1039 subtitle_out_max_size, sub);
1040 if (subtitle_out_size < 0) {
e3245b26 1041 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
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1042 exit_program(1);
1043 }
1044
1045 av_init_packet(&pkt);
1046 pkt.stream_index = ost->index;
1047 pkt.data = subtitle_out;
1048 pkt.size = subtitle_out_size;
1049 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1050 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1051 /* XXX: the pts correction is handled here. Maybe handling
1052 it in the codec would be better */
1053 if (i == 0)
1054 pkt.pts += 90 * sub->start_display_time;
1055 else
1056 pkt.pts += 90 * sub->end_display_time;
1057 }
1058 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1059 }
1060}
1061
1062static int bit_buffer_size= 1024*256;
1063static uint8_t *bit_buffer= NULL;
1064
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1065static void do_video_resample(OutputStream *ost,
1066 InputStream *ist,
1067 AVFrame *in_picture,
1068 AVFrame **out_picture)
6291d7e4 1069{
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1070 int resample_changed = 0;
1071 AVCodecContext *dec = ist->st->codec;
1072 *out_picture = in_picture;
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1073
1074 resample_changed = ost->resample_width != dec->width ||
1075 ost->resample_height != dec->height ||
1076 ost->resample_pix_fmt != dec->pix_fmt;
1077
1078 if (resample_changed) {
1079 av_log(NULL, AV_LOG_INFO,
1080 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1081 ist->file_index, ist->st->index,
1082 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1083 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1084 if(!ost->video_resample)
5c59fa56 1085 ost->video_resample = 1;
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1086 }
1087
1088#if !CONFIG_AVFILTER
1089 if (ost->video_resample) {
87ef060c 1090 *out_picture = &ost->pict_tmp;
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1091 if (resample_changed) {
1092 /* initialize a new scaler context */
1093 sws_freeContext(ost->img_resample_ctx);
1094 ost->img_resample_ctx = sws_getContext(
1095 ist->st->codec->width,
1096 ist->st->codec->height,
1097 ist->st->codec->pix_fmt,
1098 ost->st->codec->width,
1099 ost->st->codec->height,
1100 ost->st->codec->pix_fmt,
1101 ost->sws_flags, NULL, NULL, NULL);
1102 if (ost->img_resample_ctx == NULL) {
e3245b26 1103 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
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1104 exit_program(1);
1105 }
1106 }
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1107 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1108 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
6291d7e4 1109 }
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1110#else
1111 if (resample_changed) {
1112 avfilter_graph_free(&ost->graph);
1113 if (configure_video_filters(ist, ost)) {
e3245b26 1114 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
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1115 exit_program(1);
1116 }
1117 }
6291d7e4 1118#endif
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1119 if (resample_changed) {
1120 ost->resample_width = dec->width;
1121 ost->resample_height = dec->height;
1122 ost->resample_pix_fmt = dec->pix_fmt;
1123 }
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1124}
1125
1126
1127static void do_video_out(AVFormatContext *s,
1128 OutputStream *ost,
1129 InputStream *ist,
1130 AVFrame *in_picture,
1131 int *frame_size, float quality)
1132{
553735f5 1133 int nb_frames, i, ret, format_video_sync;
87ef060c 1134 AVFrame *final_picture;
f593628e 1135 AVCodecContext *enc;
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1136 double sync_ipts;
1137
1138 enc = ost->st->codec;
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1139
1140 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1141
1142 /* by default, we output a single frame */
1143 nb_frames = 1;
1144
1145 *frame_size = 0;
1146
553735f5
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1147 format_video_sync = video_sync_method;
1148 if (format_video_sync < 0)
1149 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1150
1151 if (format_video_sync) {
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1152 double vdelta = sync_ipts - ost->sync_opts;
1153 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1154 if (vdelta < -1.1)
1155 nb_frames = 0;
553735f5 1156 else if (format_video_sync == 2) {
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1157 if(vdelta<=-0.6){
1158 nb_frames=0;
1159 }else if(vdelta>0.6)
1160 ost->sync_opts= lrintf(sync_ipts);
1161 }else if (vdelta > 1.1)
1162 nb_frames = lrintf(vdelta);
1163//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);
1164 if (nb_frames == 0){
1165 ++nb_frames_drop;
e3245b26 1166 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
87ef060c
AC
1167 }else if (nb_frames > 1) {
1168 nb_frames_dup += nb_frames - 1;
e3245b26 1169 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames-1);
87ef060c
AC
1170 }
1171 }else
1172 ost->sync_opts= lrintf(sync_ipts);
1173
96139b5e 1174 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
87ef060c
AC
1175 if (nb_frames <= 0)
1176 return;
1177
1178 do_video_resample(ost, ist, in_picture, &final_picture);
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AK
1179
1180 /* duplicates frame if needed */
1181 for(i=0;i<nb_frames;i++) {
1182 AVPacket pkt;
1183 av_init_packet(&pkt);
1184 pkt.stream_index= ost->index;
1185
1186 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1187 /* raw pictures are written as AVPicture structure to
bb337b4f 1188 avoid any copies. We support temporarily the older
6291d7e4 1189 method. */
f593628e
AC
1190 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1191 enc->coded_frame->top_field_first = in_picture->top_field_first;
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1192 pkt.data= (uint8_t *)final_picture;
1193 pkt.size= sizeof(AVPicture);
1194 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1195 pkt.flags |= AV_PKT_FLAG_KEY;
1196
1197 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
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1198 } else {
1199 AVFrame big_picture;
1200
1201 big_picture= *final_picture;
1202 /* better than nothing: use input picture interlaced
1203 settings */
1204 big_picture.interlaced_frame = in_picture->interlaced_frame;
1205 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
828e0bcb 1206 if (ost->top_field_first == -1)
6291d7e4
AK
1207 big_picture.top_field_first = in_picture->top_field_first;
1208 else
828e0bcb 1209 big_picture.top_field_first = !!ost->top_field_first;
6291d7e4
AK
1210 }
1211
f4ad238c 1212 /* handles same_quant here. This is not correct because it may
6291d7e4
AK
1213 not be a global option */
1214 big_picture.quality = quality;
d242d80e 1215 if (!enc->me_threshold)
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1216 big_picture.pict_type = 0;
1217// big_picture.pts = AV_NOPTS_VALUE;
1218 big_picture.pts= ost->sync_opts;
1219// big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1220//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1221 if (ost->forced_kf_index < ost->forced_kf_count &&
1222 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1223 big_picture.pict_type = AV_PICTURE_TYPE_I;
1224 ost->forced_kf_index++;
1225 }
1226 ret = avcodec_encode_video(enc,
1227 bit_buffer, bit_buffer_size,
1228 &big_picture);
1229 if (ret < 0) {
e3245b26 1230 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
6291d7e4
AK
1231 exit_program(1);
1232 }
1233
1234 if(ret>0){
1235 pkt.data= bit_buffer;
1236 pkt.size= ret;
1237 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1238 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1239/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1240 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1241 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1242
1243 if(enc->coded_frame->key_frame)
1244 pkt.flags |= AV_PKT_FLAG_KEY;
1245 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1246 *frame_size = ret;
1247 video_size += ret;
1248 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1249 // enc->frame_number-1, ret, enc->pict_type);
1250 /* if two pass, output log */
1251 if (ost->logfile && enc->stats_out) {
1252 fprintf(ost->logfile, "%s", enc->stats_out);
1253 }
1254 }
1255 }
1256 ost->sync_opts++;
1257 ost->frame_number++;
1258 }
1259}
1260
1261static double psnr(double d){
1262 return -10.0*log(d)/log(10.0);
1263}
1264
1265static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1266 int frame_size)
1267{
1268 AVCodecContext *enc;
1269 int frame_number;
1270 double ti1, bitrate, avg_bitrate;
1271
1272 /* this is executed just the first time do_video_stats is called */
1273 if (!vstats_file) {
1274 vstats_file = fopen(vstats_filename, "w");
1275 if (!vstats_file) {
1276 perror("fopen");
1277 exit_program(1);
1278 }
1279 }
1280
1281 enc = ost->st->codec;
1282 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1283 frame_number = ost->frame_number;
1284 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1285 if (enc->flags&CODEC_FLAG_PSNR)
1286 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1287
1288 fprintf(vstats_file,"f_size= %6d ", frame_size);
1289 /* compute pts value */
1290 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1291 if (ti1 < 0.01)
1292 ti1 = 0.01;
1293
1294 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1295 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1296 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1297 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1298 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1299 }
1300}
1301
af70aa45 1302static void print_report(OutputFile *output_files,
4288e031 1303 OutputStream *ost_table, int nb_ostreams,
c5ad2c2c 1304 int is_last_report, int64_t timer_start)
6291d7e4
AK
1305{
1306 char buf[1024];
1307 OutputStream *ost;
1308 AVFormatContext *oc;
1309 int64_t total_size;
1310 AVCodecContext *enc;
1311 int frame_number, vid, i;
1312 double bitrate, ti1, pts;
1313 static int64_t last_time = -1;
1314 static int qp_histogram[52];
1315
1316 if (!is_last_report) {
1317 int64_t cur_time;
1318 /* display the report every 0.5 seconds */
1319 cur_time = av_gettime();
1320 if (last_time == -1) {
1321 last_time = cur_time;
1322 return;
1323 }
1324 if ((cur_time - last_time) < 500000)
1325 return;
1326 last_time = cur_time;
1327 }
1328
1329
af70aa45 1330 oc = output_files[0].ctx;
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1331
1332 total_size = avio_size(oc->pb);
1333 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1334 total_size= avio_tell(oc->pb);
1335
1336 buf[0] = '\0';
1337 ti1 = 1e10;
1338 vid = 0;
1339 for(i=0;i<nb_ostreams;i++) {
1340 float q = -1;
4288e031 1341 ost = &ost_table[i];
6291d7e4
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1342 enc = ost->st->codec;
1343 if (!ost->st->stream_copy && enc->coded_frame)
1344 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1345 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1346 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1347 }
1348 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1349 float t = (av_gettime()-timer_start) / 1000000.0;
1350
1351 frame_number = ost->frame_number;
1352 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1353 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1354 if(is_last_report)
1355 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1356 if(qp_hist){
1357 int j;
1358 int qp = lrintf(q);
1359 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1360 qp_histogram[qp]++;
1361 for(j=0; j<32; j++)
1362 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1363 }
1364 if (enc->flags&CODEC_FLAG_PSNR){
1365 int j;
1366 double error, error_sum=0;
1367 double scale, scale_sum=0;
1368 char type[3]= {'Y','U','V'};
1369 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1370 for(j=0; j<3; j++){
1371 if(is_last_report){
1372 error= enc->error[j];
1373 scale= enc->width*enc->height*255.0*255.0*frame_number;
1374 }else{
1375 error= enc->coded_frame->error[j];
1376 scale= enc->width*enc->height*255.0*255.0;
1377 }
1378 if(j) scale/=4;
1379 error_sum += error;
1380 scale_sum += scale;
1381 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1382 }
1383 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1384 }
1385 vid = 1;
1386 }
1387 /* compute min output value */
1388 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1389 if ((pts < ti1) && (pts > 0))
1390 ti1 = pts;
1391 }
1392 if (ti1 < 0.01)
1393 ti1 = 0.01;
1394
e3245b26 1395 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
6291d7e4 1396
e3245b26 1397 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
6291d7e4
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1398 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1399 (double)total_size / 1024, ti1, bitrate);
1400
e3245b26
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1401 if (nb_frames_dup || nb_frames_drop)
1402 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1403 nb_frames_dup, nb_frames_drop);
6291d7e4 1404
e3245b26 1405 av_log(NULL, is_last_report ? AV_LOG_WARNING : AV_LOG_INFO, "%s \r", buf);
6291d7e4 1406
e3245b26 1407 fflush(stderr);
6291d7e4 1408
e3245b26 1409 if (is_last_report) {
6291d7e4 1410 int64_t raw= audio_size + video_size + extra_size;
e3245b26
AK
1411 av_log(NULL, AV_LOG_INFO, "\n");
1412 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1413 video_size/1024.0,
1414 audio_size/1024.0,
1415 extra_size/1024.0,
1416 100.0*(total_size - raw)/raw
6291d7e4
AK
1417 );
1418 }
1419}
1420
1421static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1422{
1423 int fill_char = 0x00;
1424 if (sample_fmt == AV_SAMPLE_FMT_U8)
1425 fill_char = 0x80;
1426 memset(buf, fill_char, size);
1427}
1428
b62b5cb6 1429static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
4a4ce2e7
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1430{
1431 int i, ret;
1432
1433 for (i = 0; i < nb_ostreams; i++) {
6f1c66d5
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1434 OutputStream *ost = &ost_table[i];
1435 AVCodecContext *enc = ost->st->codec;
1436 AVFormatContext *os = output_files[ost->file_index].ctx;
1437
b62b5cb6 1438 if (!ost->encoding_needed)
6f1c66d5
AK
1439 continue;
1440
1441 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1442 continue;
1443 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1444 continue;
1445
1446 for(;;) {
1447 AVPacket pkt;
1448 int fifo_bytes;
1449 av_init_packet(&pkt);
1450 pkt.stream_index= ost->index;
1451
1452 switch (ost->st->codec->codec_type) {
1453 case AVMEDIA_TYPE_AUDIO:
1454 fifo_bytes = av_fifo_size(ost->fifo);
1455 ret = 0;
1456 /* encode any samples remaining in fifo */
1457 if (fifo_bytes > 0) {
1458 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1459 int fs_tmp = enc->frame_size;
1460
1461 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1462 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1463 enc->frame_size = fifo_bytes / (osize * enc->channels);
1464 } else { /* pad */
1465 int frame_bytes = enc->frame_size*osize*enc->channels;
1466 if (allocated_audio_buf_size < frame_bytes)
4a4ce2e7 1467 exit_program(1);
6f1c66d5 1468 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
4a4ce2e7
AK
1469 }
1470
6f1c66d5
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1471 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1472 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1473 ost->st->time_base.num, enc->sample_rate);
1474 enc->frame_size = fs_tmp;
1475 }
1476 if (ret <= 0) {
1477 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
4a4ce2e7 1478 }
6f1c66d5 1479 if (ret < 0) {
e3245b26 1480 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
6f1c66d5
AK
1481 exit_program(1);
1482 }
1483 audio_size += ret;
1484 pkt.flags |= AV_PKT_FLAG_KEY;
1485 break;
1486 case AVMEDIA_TYPE_VIDEO:
1487 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1488 if (ret < 0) {
e3245b26 1489 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
6f1c66d5
AK
1490 exit_program(1);
1491 }
1492 video_size += ret;
1493 if(enc->coded_frame && enc->coded_frame->key_frame)
1494 pkt.flags |= AV_PKT_FLAG_KEY;
1495 if (ost->logfile && enc->stats_out) {
1496 fprintf(ost->logfile, "%s", enc->stats_out);
1497 }
1498 break;
1499 default:
1500 ret=-1;
4a4ce2e7 1501 }
6f1c66d5
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1502
1503 if (ret <= 0)
1504 break;
1505 pkt.data = bit_buffer;
1506 pkt.size = ret;
1507 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1508 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1509 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
4a4ce2e7
AK
1510 }
1511 }
1512}
1513
6291d7e4
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1514/* pkt = NULL means EOF (needed to flush decoder buffers) */
1515static int output_packet(InputStream *ist, int ist_index,
4288e031 1516 OutputStream *ost_table, int nb_ostreams,
6291d7e4
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1517 const AVPacket *pkt)
1518{
1519 AVFormatContext *os;
1520 OutputStream *ost;
1521 int ret, i;
1522 int got_output;
1523 AVFrame picture;
1524 void *buffer_to_free = NULL;
1525 static unsigned int samples_size= 0;
1526 AVSubtitle subtitle, *subtitle_to_free;
1527 int64_t pkt_pts = AV_NOPTS_VALUE;
1528#if CONFIG_AVFILTER
1529 int frame_available;
1530#endif
1531 float quality;
1532
1533 AVPacket avpkt;
1534 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1535
1536 if(ist->next_pts == AV_NOPTS_VALUE)
1537 ist->next_pts= ist->pts;
1538
1539 if (pkt == NULL) {
1540 /* EOF handling */
1541 av_init_packet(&avpkt);
1542 avpkt.data = NULL;
1543 avpkt.size = 0;
1544 goto handle_eof;
1545 } else {
1546 avpkt = *pkt;
1547 }
1548
1549 if(pkt->dts != AV_NOPTS_VALUE)
1550 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1551 if(pkt->pts != AV_NOPTS_VALUE)
1552 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1553
1554 //while we have more to decode or while the decoder did output something on EOF
1555 while (avpkt.size > 0 || (!pkt && got_output)) {
1556 uint8_t *data_buf, *decoded_data_buf;
1557 int data_size, decoded_data_size;
1558 handle_eof:
1559 ist->pts= ist->next_pts;
1560
e3245b26
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1561 if(avpkt.size && avpkt.size != pkt->size)
1562 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1563 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
6291d7e4 1564 ist->showed_multi_packet_warning=1;
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1565
1566 /* decode the packet if needed */
1567 decoded_data_buf = NULL; /* fail safe */
1568 decoded_data_size= 0;
1569 data_buf = avpkt.data;
1570 data_size = avpkt.size;
1571 subtitle_to_free = NULL;
1572 if (ist->decoding_needed) {
1573 switch(ist->st->codec->codec_type) {
1574 case AVMEDIA_TYPE_AUDIO:{
1575 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1576 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1577 av_free(samples);
1578 samples= av_malloc(samples_size);
1579 }
1580 decoded_data_size= samples_size;
1581 /* XXX: could avoid copy if PCM 16 bits with same
1582 endianness as CPU */
1583 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1584 &avpkt);
1585 if (ret < 0)
1586 return ret;
1587 avpkt.data += ret;
1588 avpkt.size -= ret;
1589 data_size = ret;
1590 got_output = decoded_data_size > 0;
1591 /* Some bug in mpeg audio decoder gives */
1592 /* decoded_data_size < 0, it seems they are overflows */
1593 if (!got_output) {
1594 /* no audio frame */
1595 continue;
1596 }
1597 decoded_data_buf = (uint8_t *)samples;
1598 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1599 (ist->st->codec->sample_rate * ist->st->codec->channels);
1600 break;}
1601 case AVMEDIA_TYPE_VIDEO:
1602 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1603 /* XXX: allocate picture correctly */
1604 avcodec_get_frame_defaults(&picture);
1605 avpkt.pts = pkt_pts;
1606 avpkt.dts = ist->pts;
1607 pkt_pts = AV_NOPTS_VALUE;
1608
1609 ret = avcodec_decode_video2(ist->st->codec,
1610 &picture, &got_output, &avpkt);
f4ad238c 1611 quality = same_quant ? picture.quality : 0;
6291d7e4
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1612 if (ret < 0)
1613 return ret;
1614 if (!got_output) {
1615 /* no picture yet */
1616 goto discard_packet;
1617 }
1618 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1619 if (ist->st->codec->time_base.num != 0) {
1620 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1621 ist->next_pts += ((int64_t)AV_TIME_BASE *
1622 ist->st->codec->time_base.num * ticks) /
1623 ist->st->codec->time_base.den;
1624 }
1625 avpkt.size = 0;
1626 buffer_to_free = NULL;
1627 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1628 break;
1629 case AVMEDIA_TYPE_SUBTITLE:
1630 ret = avcodec_decode_subtitle2(ist->st->codec,
1631 &subtitle, &got_output, &avpkt);
1632 if (ret < 0)
1633 return ret;
1634 if (!got_output) {
1635 goto discard_packet;
1636 }
1637 subtitle_to_free = &subtitle;
1638 avpkt.size = 0;
1639 break;
1640 default:
1641 return -1;
1642 }
1643 } else {
1644 switch(ist->st->codec->codec_type) {
1645 case AVMEDIA_TYPE_AUDIO:
1646 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1647 ist->st->codec->sample_rate;
1648 break;
1649 case AVMEDIA_TYPE_VIDEO:
1650 if (ist->st->codec->time_base.num != 0) {
1651 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1652 ist->next_pts += ((int64_t)AV_TIME_BASE *
1653 ist->st->codec->time_base.num * ticks) /
1654 ist->st->codec->time_base.den;
1655 }
1656 break;
1657 }
6291d7e4
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1658 avpkt.size = 0;
1659 }
1660
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1661 // preprocess audio (volume)
1662 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1663 if (audio_volume != 256) {
1664 short *volp;
1665 volp = samples;
1666 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1667 int v = ((*volp) * audio_volume + 128) >> 8;
6c7ee2f7 1668 *volp++ = av_clip_int16(v);
6291d7e4
AK
1669 }
1670 }
1671 }
1672
1673 /* frame rate emulation */
f4805328 1674 if (input_files[ist->file_index].rate_emu) {
6291d7e4
AK
1675 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1676 int64_t now = av_gettime() - ist->start;
1677 if (pts > now)
1678 usleep(pts - now);
1679 }
1680 /* if output time reached then transcode raw format,
1681 encode packets and output them */
ea065176 1682 for (i = 0; i < nb_ostreams; i++) {
45f86128
AK
1683 OutputFile *of = &output_files[ost_table[i].file_index];
1684 int frame_size;
6291d7e4 1685
45f86128
AK
1686 ost = &ost_table[i];
1687 if (ost->source_index != ist_index)
1688 continue;
f1176d41 1689
45f86128
AK
1690 if (of->start_time && ist->pts < of->start_time)
1691 continue;
ea065176 1692
45f86128
AK
1693 if (of->recording_time != INT64_MAX &&
1694 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1695 (AVRational){1, 1000000}) >= 0) {
1696 ost->is_past_recording_time = 1;
1697 continue;
1698 }
ef44a607 1699
6291d7e4 1700#if CONFIG_AVFILTER
45f86128
AK
1701 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1702 ost->input_video_filter) {
1703 AVRational sar;
1704 if (ist->st->sample_aspect_ratio.num)
1705 sar = ist->st->sample_aspect_ratio;
1706 else
1707 sar = ist->st->codec->sample_aspect_ratio;
1708 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1709 }
1710 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1711 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1712 while (frame_available) {
1713 AVRational ist_pts_tb;
1714 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1715 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1716 if (ost->picref)
1717 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
6291d7e4 1718#endif
45f86128
AK
1719 os = output_files[ost->file_index].ctx;
1720
1721 /* set the input output pts pairs */
1722 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1723
1724 if (ost->encoding_needed) {
1725 av_assert0(ist->decoding_needed);
1726 switch(ost->st->codec->codec_type) {
1727 case AVMEDIA_TYPE_AUDIO:
1728 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1729 break;
1730 case AVMEDIA_TYPE_VIDEO:
6291d7e4 1731#if CONFIG_AVFILTER
45f86128
AK
1732 if (ost->picref->video && !ost->frame_aspect_ratio)
1733 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
6291d7e4 1734#endif
45f86128
AK
1735 do_video_out(os, ost, ist, &picture, &frame_size,
1736 same_quant ? quality : ost->st->codec->global_quality);
1737 if (vstats_filename && frame_size)
1738 do_video_stats(os, ost, frame_size);
1739 break;
1740 case AVMEDIA_TYPE_SUBTITLE:
1741 do_subtitle_out(os, ost, ist, &subtitle,
1742 pkt->pts);
1743 break;
1744 default:
1745 abort();
1746 }
1747 } else {
45f86128
AK
1748 AVPacket opkt;
1749 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
6291d7e4 1750
45f86128 1751 av_init_packet(&opkt);
6291d7e4 1752
45f86128 1753 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
6291d7e4 1754#if !CONFIG_AVFILTER
45f86128 1755 continue;
6291d7e4 1756#else
45f86128 1757 goto cont;
6291d7e4
AK
1758#endif
1759
45f86128
AK
1760 /* no reencoding needed : output the packet directly */
1761 /* force the input stream PTS */
1762
45f86128
AK
1763 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1764 audio_size += data_size;
1765 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1766 video_size += data_size;
1767 ost->sync_opts++;
6291d7e4 1768 }
45f86128
AK
1769
1770 opkt.stream_index= ost->index;
1771 if(pkt->pts != AV_NOPTS_VALUE)
1772 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1773 else
1774 opkt.pts= AV_NOPTS_VALUE;
1775
1776 if (pkt->dts == AV_NOPTS_VALUE)
1777 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1778 else
1779 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1780 opkt.dts -= ost_tb_start_time;
1781
1782 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1783 opkt.flags= pkt->flags;
1784
1785 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1786 if( ost->st->codec->codec_id != CODEC_ID_H264
1787 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1788 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1789 ) {
1790 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1791 opkt.destruct= av_destruct_packet;
1792 } else {
1793 opkt.data = data_buf;
1794 opkt.size = data_size;
1795 }
1796
1797 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1798 ost->st->codec->frame_number++;
1799 ost->frame_number++;
1800 av_free_packet(&opkt);
6291d7e4 1801 }
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1802#if CONFIG_AVFILTER
1803 cont:
1804 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1805 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1806 if (ost->picref)
1807 avfilter_unref_buffer(ost->picref);
1808 }
6291d7e4 1809#endif
6291d7e4
AK
1810 }
1811
1812 av_free(buffer_to_free);
1813 /* XXX: allocate the subtitles in the codec ? */
1814 if (subtitle_to_free) {
1815 avsubtitle_free(subtitle_to_free);
1816 subtitle_to_free = NULL;
1817 }
1818 }
1819 discard_packet:
6291d7e4
AK
1820
1821 return 0;
1822}
1823
af70aa45 1824static void print_sdp(OutputFile *output_files, int n)
6291d7e4
AK
1825{
1826 char sdp[2048];
af70aa45
AK
1827 int i;
1828 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1829
1830 if (!avc)
1831 exit_program(1);
1832 for (i = 0; i < n; i++)
1833 avc[i] = output_files[i].ctx;
6291d7e4
AK
1834
1835 av_sdp_create(avc, n, sdp, sizeof(sdp));
1836 printf("SDP:\n%s\n", sdp);
1837 fflush(stdout);
af70aa45 1838 av_freep(&avc);
6291d7e4
AK
1839}
1840
630902a1
AK
1841static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1842 char *error, int error_len)
1843{
1844 int i;
1845 InputStream *ist = &input_streams[ist_index];
1846 if (ist->decoding_needed) {
1847 AVCodec *codec = ist->dec;
630902a1 1848 if (!codec) {
62486948 1849 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d.%d",
630902a1
AK
1850 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1851 return AVERROR(EINVAL);
1852 }
1853
1854 /* update requested sample format for the decoder based on the
1855 corresponding encoder sample format */
1856 for (i = 0; i < nb_output_streams; i++) {
1857 OutputStream *ost = &output_streams[i];
1858 if (ost->source_index == ist_index) {
1859 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1860 break;
1861 }
1862 }
1863
1864 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
62486948 1865 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
630902a1
AK
1866 ist->file_index, ist->st->index);
1867 return AVERROR(EINVAL);
1868 }
1869 assert_codec_experimental(ist->st->codec, 0);
1870 assert_avoptions(ist->opts);
1871 }
1872
1873 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;
1874 ist->next_pts = AV_NOPTS_VALUE;
1875 init_pts_correction(&ist->pts_ctx);
1876 ist->is_start = 1;
1877
1878 return 0;
1879}
1880
eaf2d37a
AC
1881static int transcode_init(OutputFile *output_files,
1882 int nb_output_files,
1883 InputFile *input_files,
1884 int nb_input_files)
6291d7e4 1885{
2c474ddb 1886 int ret = 0, i, j, k;
eaf2d37a 1887 AVFormatContext *os;
6291d7e4 1888 AVCodecContext *codec, *icodec;
4288e031 1889 OutputStream *ost;
6291d7e4
AK
1890 InputStream *ist;
1891 char error[1024];
1892 int want_sdp = 1;
b0c9e8e0 1893
f4805328
AK
1894 /* init framerate emulation */
1895 for (i = 0; i < nb_input_files; i++) {
1896 InputFile *ifile = &input_files[i];
1897 if (ifile->rate_emu)
1898 for (j = 0; j < ifile->nb_streams; j++)
1899 input_streams[j + ifile->ist_index].start = av_gettime();
1900 }
6291d7e4
AK
1901
1902 /* output stream init */
6291d7e4 1903 for(i=0;i<nb_output_files;i++) {
af70aa45 1904 os = output_files[i].ctx;
6291d7e4 1905 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
af70aa45 1906 av_dump_format(os, i, os->filename, 1);
e3245b26 1907 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
eaf2d37a 1908 return AVERROR(EINVAL);
6291d7e4 1909 }
6291d7e4
AK
1910 }
1911
1912 /* for each output stream, we compute the right encoding parameters */
4288e031
AK
1913 for (i = 0; i < nb_output_streams; i++) {
1914 ost = &output_streams[i];
af70aa45 1915 os = output_files[ost->file_index].ctx;
6291d7e4
AK
1916 ist = &input_streams[ost->source_index];
1917
1918 codec = ost->st->codec;
1919 icodec = ist->st->codec;
1920
6291d7e4
AK
1921 ost->st->disposition = ist->st->disposition;
1922 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1923 codec->chroma_sample_location = icodec->chroma_sample_location;
1924
1925 if (ost->st->stream_copy) {
1926 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1927
e6d2b737 1928 if (extra_size > INT_MAX) {
eaf2d37a 1929 return AVERROR(EINVAL);
e6d2b737 1930 }
6291d7e4
AK
1931
1932 /* if stream_copy is selected, no need to decode or encode */
1933 codec->codec_id = icodec->codec_id;
1934 codec->codec_type = icodec->codec_type;
1935
1936 if(!codec->codec_tag){
1937 if( !os->oformat->codec_tag
1938 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1939 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1940 codec->codec_tag = icodec->codec_tag;
1941 }
1942
1943 codec->bit_rate = icodec->bit_rate;
1944 codec->rc_max_rate = icodec->rc_max_rate;
1945 codec->rc_buffer_size = icodec->rc_buffer_size;
1946 codec->extradata= av_mallocz(extra_size);
e6d2b737 1947 if (!codec->extradata) {
eaf2d37a 1948 return AVERROR(ENOMEM);
e6d2b737 1949 }
6291d7e4
AK
1950 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1951 codec->extradata_size= icodec->extradata_size;
1952 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){
1953 codec->time_base = icodec->time_base;
1954 codec->time_base.num *= icodec->ticks_per_frame;
1955 av_reduce(&codec->time_base.num, &codec->time_base.den,
1956 codec->time_base.num, codec->time_base.den, INT_MAX);
1957 }else
1958 codec->time_base = ist->st->time_base;
1959 switch(codec->codec_type) {
1960 case AVMEDIA_TYPE_AUDIO:
1961 if(audio_volume != 256) {
e3245b26 1962 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
6291d7e4
AK
1963 exit_program(1);
1964 }
1965 codec->channel_layout = icodec->channel_layout;
1966 codec->sample_rate = icodec->sample_rate;
1967 codec->channels = icodec->channels;
1968 codec->frame_size = icodec->frame_size;
1969 codec->audio_service_type = icodec->audio_service_type;
1970 codec->block_align= icodec->block_align;
1971 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1972 codec->block_align= 0;
1973 if(codec->codec_id == CODEC_ID_AC3)
1974 codec->block_align= 0;
1975 break;
1976 case AVMEDIA_TYPE_VIDEO:
1977 codec->pix_fmt = icodec->pix_fmt;
1978 codec->width = icodec->width;
1979 codec->height = icodec->height;
1980 codec->has_b_frames = icodec->has_b_frames;
1981 if (!codec->sample_aspect_ratio.num) {
1982 codec->sample_aspect_ratio =
1983 ost->st->sample_aspect_ratio =
1984 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1985 ist->st->codec->sample_aspect_ratio.num ?
1986 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1987 }
1988 break;
1989 case AVMEDIA_TYPE_SUBTITLE:
1990 codec->width = icodec->width;
1991 codec->height = icodec->height;
1992 break;
1993 case AVMEDIA_TYPE_DATA:
3ccd1580 1994 case AVMEDIA_TYPE_ATTACHMENT:
6291d7e4
AK
1995 break;
1996 default:
1997 abort();
1998 }
1999 } else {
2000 if (!ost->enc)
2001 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2002 switch(codec->codec_type) {
2003 case AVMEDIA_TYPE_AUDIO:
2004 ost->fifo= av_fifo_alloc(1024);
e6d2b737 2005 if (!ost->fifo) {
eaf2d37a 2006 return AVERROR(ENOMEM);
e6d2b737 2007 }
6291d7e4
AK
2008 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2009 if (!codec->sample_rate) {
2010 codec->sample_rate = icodec->sample_rate;
2011 if (icodec->lowres)
2012 codec->sample_rate >>= icodec->lowres;
2013 }
2014 choose_sample_rate(ost->st, ost->enc);
2015 codec->time_base = (AVRational){1, codec->sample_rate};
2016 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2017 codec->sample_fmt = icodec->sample_fmt;
2018 choose_sample_fmt(ost->st, ost->enc);
2019 if (!codec->channels)
2020 codec->channels = icodec->channels;
2021 codec->channel_layout = icodec->channel_layout;
2022 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2023 codec->channel_layout = 0;
2024 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2025 icodec->request_channels = codec->channels;
2026 ist->decoding_needed = 1;
2027 ost->encoding_needed = 1;
2028 ost->resample_sample_fmt = icodec->sample_fmt;
2029 ost->resample_sample_rate = icodec->sample_rate;
2030 ost->resample_channels = icodec->channels;
2031 break;
2032 case AVMEDIA_TYPE_VIDEO:
2033 if (codec->pix_fmt == PIX_FMT_NONE)
2034 codec->pix_fmt = icodec->pix_fmt;
2035 choose_pixel_fmt(ost->st, ost->enc);
2036
2037 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
e3245b26 2038 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
6291d7e4
AK
2039 exit_program(1);
2040 }
2041
2042 if (!codec->width || !codec->height) {
2043 codec->width = icodec->width;
2044 codec->height = icodec->height;
2045 }
2046
2047 ost->video_resample = codec->width != icodec->width ||
2048 codec->height != icodec->height ||
2049 codec->pix_fmt != icodec->pix_fmt;
2050 if (ost->video_resample) {
2051#if !CONFIG_AVFILTER
2052 avcodec_get_frame_defaults(&ost->pict_tmp);
2053 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2054 codec->width, codec->height)) {
e3245b26 2055 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
6291d7e4
AK
2056 exit_program(1);
2057 }
2058 ost->img_resample_ctx = sws_getContext(
2059 icodec->width,
2060 icodec->height,
2061 icodec->pix_fmt,
2062 codec->width,
2063 codec->height,
2064 codec->pix_fmt,
2065 ost->sws_flags, NULL, NULL, NULL);
2066 if (ost->img_resample_ctx == NULL) {
e3245b26 2067 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
6291d7e4
AK
2068 exit_program(1);
2069 }
2070#endif
2071 codec->bits_per_raw_sample= 0;
2072 }
2073
2074 ost->resample_height = icodec->height;
2075 ost->resample_width = icodec->width;
2076 ost->resample_pix_fmt= icodec->pix_fmt;
2077 ost->encoding_needed = 1;
2078 ist->decoding_needed = 1;
2079
2080 if (!ost->frame_rate.num)
2081 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
bef737a7 2082 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
6291d7e4
AK
2083 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2084 ost->frame_rate = ost->enc->supported_framerates[idx];
2085 }
2086 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2087
2088#if CONFIG_AVFILTER
2089 if (configure_video_filters(ist, ost)) {
e3245b26 2090 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
6291d7e4
AK
2091 exit(1);
2092 }
2093#endif
2094 break;
2095 case AVMEDIA_TYPE_SUBTITLE:
2096 ost->encoding_needed = 1;
2097 ist->decoding_needed = 1;
2098 break;
2099 default:
2100 abort();
2101 break;
2102 }
2103 /* two pass mode */
2104 if (ost->encoding_needed &&
2105 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2106 char logfilename[1024];
2107 FILE *f;
2108
2109 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2110 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2111 i);
2112 if (codec->flags & CODEC_FLAG_PASS1) {
2113 f = fopen(logfilename, "wb");
2114 if (!f) {
e3245b26
AK
2115 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2116 logfilename, strerror(errno));
6291d7e4
AK
2117 exit_program(1);
2118 }
2119 ost->logfile = f;
2120 } else {
2121 char *logbuffer;
2122 size_t logbuffer_size;
2123 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
e3245b26
AK
2124 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2125 logfilename);
6291d7e4
AK
2126 exit_program(1);
2127 }
2128 codec->stats_in = logbuffer;
2129 }
2130 }
2131 }
2132 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2133 int size= codec->width * codec->height;
2134 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2135 }
2136 }
2137
2138 if (!bit_buffer)
2139 bit_buffer = av_malloc(bit_buffer_size);
2140 if (!bit_buffer) {
e3245b26
AK
2141 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2142 bit_buffer_size);
eaf2d37a 2143 return AVERROR(ENOMEM);
6291d7e4
AK
2144 }
2145
2146 /* open each encoder */
4288e031
AK
2147 for (i = 0; i < nb_output_streams; i++) {
2148 ost = &output_streams[i];
6291d7e4
AK
2149 if (ost->encoding_needed) {
2150 AVCodec *codec = ost->enc;
2151 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2152 if (!codec) {
2153 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2154 ost->st->codec->codec_id, ost->file_index, ost->index);
2155 ret = AVERROR(EINVAL);
2156 goto dump_format;
2157 }
2158 if (dec->subtitle_header) {
2159 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2160 if (!ost->st->codec->subtitle_header) {
2161 ret = AVERROR(ENOMEM);
2162 goto dump_format;
2163 }
2164 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2165 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2166 }
2167 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2168 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2169 ost->file_index, ost->index);
2170 ret = AVERROR(EINVAL);
2171 goto dump_format;
2172 }
2173 assert_codec_experimental(ost->st->codec, 1);
2174 assert_avoptions(ost->opts);
2175 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2176 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2177 "It takes bits/s as argument, not kbits/s\n");
2178 extra_size += ost->st->codec->extradata_size;
d242d80e
AK
2179
2180 if (ost->st->codec->me_threshold)
2181 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
6291d7e4
AK
2182 }
2183 }
2184
630902a1
AK
2185 /* init input streams */
2186 for (i = 0; i < nb_input_streams; i++)
62486948 2187 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
630902a1 2188 goto dump_format;
6291d7e4 2189
2c474ddb
AK
2190 /* discard unused programs */
2191 for (i = 0; i < nb_input_files; i++) {
2192 InputFile *ifile = &input_files[i];
2193 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2194 AVProgram *p = ifile->ctx->programs[j];
2195 int discard = AVDISCARD_ALL;
2196
2197 for (k = 0; k < p->nb_stream_indexes; k++)
2198 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2199 discard = AVDISCARD_DEFAULT;
2200 break;
2201 }
2202 p->discard = discard;
2203 }
2204 }
2205
6291d7e4 2206 /* open files and write file headers */
af70aa45
AK
2207 for (i = 0; i < nb_output_files; i++) {
2208 os = output_files[i].ctx;
2209 if (avformat_write_header(os, &output_files[i].opts) < 0) {
6291d7e4
AK
2210 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2211 ret = AVERROR(EINVAL);
2212 goto dump_format;
2213 }
af70aa45
AK
2214 assert_avoptions(output_files[i].opts);
2215 if (strcmp(os->oformat->name, "rtp")) {
6291d7e4
AK
2216 want_sdp = 0;
2217 }
2218 }
2219
2220 dump_format:
2221 /* dump the file output parameters - cannot be done before in case
2222 of stream copy */
2223 for(i=0;i<nb_output_files;i++) {
af70aa45 2224 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
6291d7e4
AK
2225 }
2226
2227 /* dump the stream mapping */
e3245b26
AK
2228 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2229 for (i = 0; i < nb_output_streams; i++) {
2230 ost = &output_streams[i];
2231 av_log(NULL, AV_LOG_INFO, " Stream #%d.%d -> #%d.%d",
2232 input_streams[ost->source_index].file_index,
2233 input_streams[ost->source_index].st->index,
2234 ost->file_index,
2235 ost->index);
2236 if (ost->sync_ist != &input_streams[ost->source_index])
2237 av_log(NULL, AV_LOG_INFO, " [sync #%d.%d]",
2238 ost->sync_ist->file_index,
2239 ost->sync_ist->st->index);
2240 if (ost->st->stream_copy)
2241 av_log(NULL, AV_LOG_INFO, " (copy)");
2242 else
2243 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2244 input_streams[ost->source_index].dec->name : "?",
2245 ost->enc ? ost->enc->name : "?");
2246 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
2247 }
2248
2249 if (ret) {
e3245b26 2250 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 2251 return ret;
6291d7e4
AK
2252 }
2253
2254 if (want_sdp) {
2255 print_sdp(output_files, nb_output_files);
2256 }
2257
eaf2d37a
AC
2258 return 0;
2259}
2260
2261/*
2262 * The following code is the main loop of the file converter
2263 */
2264static int transcode(OutputFile *output_files,
2265 int nb_output_files,
2266 InputFile *input_files,
2267 int nb_input_files)
2268{
2269 int ret, i;
2270 AVFormatContext *is, *os;
2271 OutputStream *ost;
2272 InputStream *ist;
2273 uint8_t *no_packet;
2274 int no_packet_count=0;
2275 int64_t timer_start;
2276
2277 if (!(no_packet = av_mallocz(nb_input_files)))
2278 exit_program(1);
2279
2280 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2281 if (ret < 0)
2282 goto fail;
2283
e3245b26 2284 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2285 term_init();
2286
2287 timer_start = av_gettime();
2288
2289 for(; received_sigterm == 0;) {
2290 int file_index, ist_index;
2291 AVPacket pkt;
9be3c124 2292 int64_t ipts_min;
6291d7e4
AK
2293 double opts_min;
2294
9be3c124 2295 ipts_min = INT64_MAX;
6291d7e4
AK
2296 opts_min= 1e100;
2297
2298 /* select the stream that we must read now by looking at the
2299 smallest output pts */
2300 file_index = -1;
4288e031 2301 for (i = 0; i < nb_output_streams; i++) {
f21f294e 2302 OutputFile *of;
9be3c124
AC
2303 int64_t ipts;
2304 double opts;
4288e031 2305 ost = &output_streams[i];
f21f294e 2306 of = &output_files[ost->file_index];
af70aa45 2307 os = output_files[ost->file_index].ctx;
6291d7e4 2308 ist = &input_streams[ost->source_index];
f21f294e
AK
2309 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2310 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
6291d7e4 2311 continue;
c0931508 2312 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
9be3c124 2313 ipts = ist->pts;
6291d7e4
AK
2314 if (!input_files[ist->file_index].eof_reached){
2315 if(ipts < ipts_min) {
2316 ipts_min = ipts;
2317 if(input_sync ) file_index = ist->file_index;
2318 }
2319 if(opts < opts_min) {
2320 opts_min = opts;
2321 if(!input_sync) file_index = ist->file_index;
2322 }
2323 }
96139b5e
AK
2324 if (ost->frame_number >= ost->max_frames) {
2325 int j;
9b921a82
AK
2326 for (j = 0; j < of->ctx->nb_streams; j++)
2327 output_streams[of->ost_index + j].is_past_recording_time = 1;
96139b5e 2328 continue;
6291d7e4
AK
2329 }
2330 }
2331 /* if none, if is finished */
2332 if (file_index < 0) {
2333 if(no_packet_count){
2334 no_packet_count=0;
b0c9e8e0 2335 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2336 usleep(10000);
2337 continue;
2338 }
2339 break;
2340 }
2341
6291d7e4
AK
2342 /* read a frame from it and output it in the fifo */
2343 is = input_files[file_index].ctx;
2344 ret= av_read_frame(is, &pkt);
2345 if(ret == AVERROR(EAGAIN)){
2346 no_packet[file_index]=1;
2347 no_packet_count++;
2348 continue;
2349 }
2350 if (ret < 0) {
2351 input_files[file_index].eof_reached = 1;
2352 if (opt_shortest)
2353 break;
2354 else
2355 continue;
2356 }
2357
2358 no_packet_count=0;
b0c9e8e0 2359 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2360
2361 if (do_pkt_dump) {
2362 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2363 is->streams[pkt.stream_index]);
2364 }
2365 /* the following test is needed in case new streams appear
2366 dynamically in stream : we ignore them */
ed5b1326 2367 if (pkt.stream_index >= input_files[file_index].nb_streams)
6291d7e4
AK
2368 goto discard_packet;
2369 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2370 ist = &input_streams[ist_index];
2371 if (ist->discard)
2372 goto discard_packet;
2373
2374 if (pkt.dts != AV_NOPTS_VALUE)
2375 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2376 if (pkt.pts != AV_NOPTS_VALUE)
2377 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2378
33f75d72
AK
2379 if(pkt.pts != AV_NOPTS_VALUE)
2380 pkt.pts *= ist->ts_scale;
2381 if(pkt.dts != AV_NOPTS_VALUE)
2382 pkt.dts *= ist->ts_scale;
6291d7e4
AK
2383
2384// 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);
2385 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2386 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2387 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2388 int64_t delta= pkt_dts - ist->next_pts;
2389 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2390 input_files[ist->file_index].ts_offset -= delta;
e3245b26
AK
2391 av_log(NULL, AV_LOG_DEBUG, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2392 delta, input_files[ist->file_index].ts_offset);
6291d7e4
AK
2393 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2394 if(pkt.pts != AV_NOPTS_VALUE)
2395 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2396 }
2397 }
2398
6291d7e4 2399 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
4288e031 2400 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
6291d7e4 2401
e3245b26
AK
2402 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d.%d\n",
2403 ist->file_index, ist->st->index);
6291d7e4
AK
2404 if (exit_on_error)
2405 exit_program(1);
2406 av_free_packet(&pkt);
b9630bcf 2407 continue;
6291d7e4
AK
2408 }
2409
2410 discard_packet:
2411 av_free_packet(&pkt);
2412
2413 /* dump report by using the output first video and audio streams */
c5ad2c2c 2414 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
6291d7e4
AK
2415 }
2416
2417 /* at the end of stream, we must flush the decoder buffers */
2418 for (i = 0; i < nb_input_streams; i++) {
2419 ist = &input_streams[i];
2420 if (ist->decoding_needed) {
4288e031 2421 output_packet(ist, i, output_streams, nb_output_streams, NULL);
6291d7e4
AK
2422 }
2423 }
b62b5cb6 2424 flush_encoders(output_streams, nb_output_streams);
6291d7e4
AK
2425
2426 term_exit();
2427
2428 /* write the trailer if needed and close file */
2429 for(i=0;i<nb_output_files;i++) {
af70aa45 2430 os = output_files[i].ctx;
6291d7e4
AK
2431 av_write_trailer(os);
2432 }
2433
2434 /* dump report by using the first video and audio streams */
c5ad2c2c 2435 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
6291d7e4
AK
2436
2437 /* close each encoder */
4288e031
AK
2438 for (i = 0; i < nb_output_streams; i++) {
2439 ost = &output_streams[i];
6291d7e4
AK
2440 if (ost->encoding_needed) {
2441 av_freep(&ost->st->codec->stats_in);
2442 avcodec_close(ost->st->codec);
2443 }
2444#if CONFIG_AVFILTER
2445 avfilter_graph_free(&ost->graph);
2446#endif
2447 }
2448
2449 /* close each decoder */
2450 for (i = 0; i < nb_input_streams; i++) {
2451 ist = &input_streams[i];
2452 if (ist->decoding_needed) {
2453 avcodec_close(ist->st->codec);
2454 }
2455 }
2456
2457 /* finished ! */
2458 ret = 0;
2459
2460 fail:
2461 av_freep(&bit_buffer);
b0c9e8e0 2462 av_freep(&no_packet);
6291d7e4 2463
4288e031
AK
2464 if (output_streams) {
2465 for (i = 0; i < nb_output_streams; i++) {
2466 ost = &output_streams[i];
6291d7e4
AK
2467 if (ost) {
2468 if (ost->st->stream_copy)
2469 av_freep(&ost->st->codec->extradata);
2470 if (ost->logfile) {
2471 fclose(ost->logfile);
2472 ost->logfile = NULL;
2473 }
2474 av_fifo_free(ost->fifo); /* works even if fifo is not
2475 initialized but set to zero */
2476 av_freep(&ost->st->codec->subtitle_header);
2477 av_free(ost->pict_tmp.data[0]);
2478 av_free(ost->forced_kf_pts);
2479 if (ost->video_resample)
2480 sws_freeContext(ost->img_resample_ctx);
2481 if (ost->resample)
2482 audio_resample_close(ost->resample);
2483 if (ost->reformat_ctx)
2484 av_audio_convert_free(ost->reformat_ctx);
2485 av_dict_free(&ost->opts);
6291d7e4
AK
2486 }
2487 }
6291d7e4
AK
2488 }
2489 return ret;
2490}
2491
6291d7e4
AK
2492static int opt_verbose(const char *opt, const char *arg)
2493{
e3245b26 2494 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -loglevel\n", opt);
6291d7e4
AK
2495 return 0;
2496}
2497
ca46fde7 2498static double parse_frame_aspect_ratio(const char *arg)
6291d7e4
AK
2499{
2500 int x = 0, y = 0;
2501 double ar = 0;
2502 const char *p;
2503 char *end;
2504
2505 p = strchr(arg, ':');
2506 if (p) {
2507 x = strtol(arg, &end, 10);
2508 if (end == p)
2509 y = strtol(end+1, &end, 10);
2510 if (x > 0 && y > 0)
2511 ar = (double)x / (double)y;
2512 } else
2513 ar = strtod(arg, NULL);
2514
2515 if (!ar) {
e3245b26 2516 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
ca46fde7 2517 exit_program(1);
6291d7e4 2518 }
ca46fde7 2519 return ar;
6291d7e4
AK
2520}
2521
35e6f8c1 2522static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2523{
35e6f8c1 2524 return parse_option(o, "codec:a", arg, options);
6291d7e4
AK
2525}
2526
35e6f8c1 2527static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2528{
35e6f8c1 2529 return parse_option(o, "codec:v", arg, options);
6291d7e4
AK
2530}
2531
35e6f8c1 2532static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2533{
35e6f8c1 2534 return parse_option(o, "codec:s", arg, options);
6291d7e4
AK
2535}
2536
35e6f8c1 2537static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2538{
35e6f8c1 2539 return parse_option(o, "codec:d", arg, options);
6291d7e4
AK
2540}
2541
575ec4e1 2542static int opt_map(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2543{
8d2e4a7e
AK
2544 StreamMap *m = NULL;
2545 int i, negative = 0, file_idx;
2546 int sync_file_idx = -1, sync_stream_idx;
2547 char *p, *sync;
2548 char *map;
6291d7e4 2549
8d2e4a7e
AK
2550 if (*arg == '-') {
2551 negative = 1;
2552 arg++;
2553 }
2554 map = av_strdup(arg);
6291d7e4 2555
8d2e4a7e
AK
2556 /* parse sync stream first, just pick first matching stream */
2557 if (sync = strchr(map, ',')) {
2558 *sync = 0;
2559 sync_file_idx = strtol(sync + 1, &sync, 0);
2560 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
f24facd3 2561 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
8d2e4a7e
AK
2562 exit_program(1);
2563 }
2564 if (*sync)
2565 sync++;
ed5b1326 2566 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
8d2e4a7e
AK
2567 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2568 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2569 sync_stream_idx = i;
2570 break;
2571 }
ed5b1326 2572 if (i == input_files[sync_file_idx].nb_streams) {
f24facd3 2573 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
8d2e4a7e
AK
2574 "match any streams.\n", arg);
2575 exit_program(1);
2576 }
2577 }
6291d7e4 2578
8d2e4a7e
AK
2579
2580 file_idx = strtol(map, &p, 0);
2581 if (file_idx >= nb_input_files || file_idx < 0) {
f24facd3 2582 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
8d2e4a7e 2583 exit_program(1);
6291d7e4 2584 }
8d2e4a7e
AK
2585 if (negative)
2586 /* disable some already defined maps */
575ec4e1
AK
2587 for (i = 0; i < o->nb_stream_maps; i++) {
2588 m = &o->stream_maps[i];
8d2e4a7e
AK
2589 if (check_stream_specifier(input_files[m->file_index].ctx,
2590 input_files[m->file_index].ctx->streams[m->stream_index],
2591 *p == ':' ? p + 1 : p) > 0)
2592 m->disabled = 1;
2593 }
2594 else
ed5b1326 2595 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
8d2e4a7e
AK
2596 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2597 *p == ':' ? p + 1 : p) <= 0)
2598 continue;
575ec4e1
AK
2599 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2600 &o->nb_stream_maps, o->nb_stream_maps + 1);
2601 m = &o->stream_maps[o->nb_stream_maps - 1];
8d2e4a7e
AK
2602
2603 m->file_index = file_idx;
2604 m->stream_index = i;
2605
2606 if (sync_file_idx >= 0) {
2607 m->sync_file_index = sync_file_idx;
2608 m->sync_stream_index = sync_stream_idx;
2609 } else {
2610 m->sync_file_index = file_idx;
2611 m->sync_stream_index = i;
2612 }
2613 }
2614
2615 if (!m) {
f24facd3 2616 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
8d2e4a7e
AK
2617 exit_program(1);
2618 }
2619
2620 av_freep(&map);
6291d7e4
AK
2621 return 0;
2622}
2623
e6e6060c 2624static void parse_meta_type(char *arg, char *type, int *index)
6291d7e4 2625{
039267f1 2626 if (*arg) {
a2a38d96 2627 *type = *arg;
6291d7e4
AK
2628 switch (*arg) {
2629 case 'g':
2630 break;
2631 case 's':
2632 case 'c':
2633 case 'p':
e6e6060c
AK
2634 if (*(++arg) == ':')
2635 *index = strtol(++arg, NULL, 0);
6291d7e4
AK
2636 break;
2637 default:
e3245b26 2638 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
6291d7e4
AK
2639 exit_program(1);
2640 }
2641 } else
2642 *type = 'g';
2643}
2644
847529f8 2645static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
6291d7e4
AK
2646{
2647 MetadataMap *m, *m1;
2648 char *p;
2649
847529f8
AK
2650 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
2651 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
6291d7e4 2652
847529f8 2653 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
6291d7e4 2654 m->file = strtol(arg, &p, 0);
039267f1 2655 parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
6291d7e4 2656
847529f8 2657 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
e6e6060c 2658 if (p = strchr(opt, ':'))
039267f1 2659 parse_meta_type(p + 1, &m1->type, &m1->index);
e6e6060c
AK
2660 else
2661 m1->type = 'g';
6291d7e4
AK
2662
2663 if (m->type == 'g' || m1->type == 'g')
847529f8 2664 o->metadata_global_manual = 1;
6291d7e4 2665 if (m->type == 's' || m1->type == 's')
847529f8 2666 o->metadata_streams_manual = 1;
6291d7e4 2667 if (m->type == 'c' || m1->type == 'c')
847529f8 2668 o->metadata_chapters_manual = 1;
6291d7e4
AK
2669
2670 return 0;
2671}
2672
169f0647
AK
2673static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2674{
2675 const char *codec_string = encoder ? "encoder" : "decoder";
2676 AVCodec *codec;
2677
2678 if(!name)
2679 return CODEC_ID_NONE;
2680 codec = encoder ?
2681 avcodec_find_encoder_by_name(name) :
2682 avcodec_find_decoder_by_name(name);
2683 if(!codec) {
f24facd3 2684 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
169f0647
AK
2685 exit_program(1);
2686 }
2687 if(codec->type != type) {
f24facd3 2688 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
169f0647
AK
2689 exit_program(1);
2690 }
2691 return codec->id;
2692}
2693
35e6f8c1 2694static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type)
169f0647 2695{
169f0647 2696 char *codec_name = NULL;
169f0647 2697
35e6f8c1 2698 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
169f0647
AK
2699
2700 if (!codec_name) {
6cd9d0f7
AK
2701 if (s->oformat) {
2702 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2703 return avcodec_find_encoder(st->codec->codec_id);
2704 }
169f0647
AK
2705 } else if (!strcmp(codec_name, "copy"))
2706 st->stream_copy = 1;
2707 else {
2708 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2709 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2710 avcodec_find_decoder_by_name(codec_name);
2711 }
2712
2713 return NULL;
2714}
6291d7e4 2715
88867844
AK
2716/**
2717 * Add all the streams from the given input file to the global
2718 * list of input streams.
2719 */
35e6f8c1 2720static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
88867844 2721{
33f75d72 2722 int i, rfps, rfps_base;
88867844
AK
2723
2724 for (i = 0; i < ic->nb_streams; i++) {
2725 AVStream *st = ic->streams[i];
2726 AVCodecContext *dec = st->codec;
2727 InputStream *ist;
33f75d72 2728 double scale = 1.0;
88867844 2729
88867844
AK
2730 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2731 ist = &input_streams[nb_input_streams - 1];
2732 ist->st = st;
2733 ist->file_index = nb_input_files;
2734 ist->discard = 1;
2735 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2736
33f75d72
AK
2737 MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
2738 ist->ts_scale = scale;
88867844 2739
35e6f8c1 2740 ist->dec = choose_codec(o, ic, st, dec->codec_type);
c74b44de
AK
2741 if (!ist->dec)
2742 ist->dec = avcodec_find_decoder(dec->codec_id);
88867844
AK
2743
2744 switch (dec->codec_type) {
2745 case AVMEDIA_TYPE_AUDIO:
2130981a 2746 if (o->audio_disable)
88867844
AK
2747 st->discard= AVDISCARD_ALL;
2748 break;
2749 case AVMEDIA_TYPE_VIDEO:
2750 rfps = ic->streams[i]->r_frame_rate.num;
2751 rfps_base = ic->streams[i]->r_frame_rate.den;
2752 if (dec->lowres) {
2753 dec->flags |= CODEC_FLAG_EMU_EDGE;
2754 dec->height >>= dec->lowres;
2755 dec->width >>= dec->lowres;
2756 }
88867844
AK
2757
2758 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2759
e3245b26
AK
2760 av_log(NULL, AV_LOG_INFO,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2761 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2762 (float)rfps / rfps_base, rfps, rfps_base);
88867844
AK
2763 }
2764
2130981a 2765 if (o->video_disable)
88867844
AK
2766 st->discard= AVDISCARD_ALL;
2767 else if(video_discard)
2768 st->discard= video_discard;
2769 break;
2770 case AVMEDIA_TYPE_DATA:
2771 break;
2772 case AVMEDIA_TYPE_SUBTITLE:
2130981a 2773 if (o->subtitle_disable)
88867844
AK
2774 st->discard = AVDISCARD_ALL;
2775 break;
2776 case AVMEDIA_TYPE_ATTACHMENT:
2777 case AVMEDIA_TYPE_UNKNOWN:
2778 break;
2779 default:
2780 abort();
2781 }
2782 }
2783}
2784
575ec4e1 2785static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
6291d7e4
AK
2786{
2787 AVFormatContext *ic;
2788 AVInputFormat *file_iformat = NULL;
88867844 2789 int err, i, ret;
6291d7e4
AK
2790 int64_t timestamp;
2791 uint8_t buf[128];
2792 AVDictionary **opts;
2793 int orig_nb_streams; // number of streams before avformat_find_stream_info
2794
7041bb3b
AK
2795 if (o->format) {
2796 if (!(file_iformat = av_find_input_format(o->format))) {
e3245b26 2797 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
6291d7e4
AK
2798 exit_program(1);
2799 }
6291d7e4
AK
2800 }
2801
2802 if (!strcmp(filename, "-"))
2803 filename = "pipe:";
2804
2805 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2806 !strcmp(filename, "/dev/stdin");
2807
2808 /* get default parameters from command line */
2809 ic = avformat_alloc_context();
2810 if (!ic) {
2811 print_error(filename, AVERROR(ENOMEM));
2812 exit_program(1);
2813 }
e2469ccf
AK
2814 if (o->nb_audio_sample_rate) {
2815 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
6291d7e4
AK
2816 av_dict_set(&format_opts, "sample_rate", buf, 0);
2817 }
6a11686d
AK
2818 if (o->nb_audio_channels) {
2819 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
6291d7e4
AK
2820 av_dict_set(&format_opts, "channels", buf, 0);
2821 }
91ea4811
AK
2822 if (o->nb_frame_rates) {
2823 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
6291d7e4 2824 }
d4397b03
AK
2825 if (o->nb_frame_sizes) {
2826 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
6291d7e4 2827 }
b2254d83
AK
2828 if (o->nb_frame_pix_fmts)
2829 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
6291d7e4 2830
6291d7e4
AK
2831 ic->flags |= AVFMT_FLAG_NONBLOCK;
2832
2833 /* open the input file with generic libav function */
2834 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2835 if (err < 0) {
2836 print_error(filename, err);
2837 exit_program(1);
2838 }
2839 assert_avoptions(format_opts);
2840
92f1940e
AK
2841 /* apply forced codec ids */
2842 for (i = 0; i < ic->nb_streams; i++)
35e6f8c1 2843 choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type);
92f1940e 2844
6291d7e4
AK
2845 /* Set AVCodecContext options for avformat_find_stream_info */
2846 opts = setup_find_stream_info_opts(ic, codec_opts);
2847 orig_nb_streams = ic->nb_streams;
2848
2849 /* If not enough info to get the stream parameters, we decode the
2850 first frames to get it. (used in mpeg case for example) */
2851 ret = avformat_find_stream_info(ic, opts);
e3245b26
AK
2852 if (ret < 0) {
2853 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
6291d7e4
AK
2854 av_close_input_file(ic);
2855 exit_program(1);
2856 }
2857
6b779ccc 2858 timestamp = o->start_time;
6291d7e4
AK
2859 /* add the stream start time */
2860 if (ic->start_time != AV_NOPTS_VALUE)
2861 timestamp += ic->start_time;
2862
2863 /* if seeking requested, we execute it */
6b779ccc 2864 if (o->start_time != 0) {
6291d7e4
AK
2865 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2866 if (ret < 0) {
e3245b26
AK
2867 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
2868 filename, (double)timestamp / AV_TIME_BASE);
6291d7e4 2869 }
6291d7e4
AK
2870 }
2871
2872 /* update the current parameters so that they match the one of the input stream */
35e6f8c1 2873 add_input_streams(o, ic);
6291d7e4
AK
2874
2875 /* dump the file content */
e3245b26 2876 av_dump_format(ic, nb_input_files, filename, 0);
6291d7e4
AK
2877
2878 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
2879 input_files[nb_input_files - 1].ctx = ic;
2880 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
6b779ccc 2881 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
ed5b1326 2882 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
dc3e76f3 2883 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
6291d7e4 2884
6291d7e4
AK
2885 for (i = 0; i < orig_nb_streams; i++)
2886 av_dict_free(&opts[i]);
2887 av_freep(&opts);
575ec4e1
AK
2888
2889 reset_options(o);
6291d7e4
AK
2890 return 0;
2891}
2892
f233cfed
AK
2893static void parse_forced_key_frames(char *kf, OutputStream *ost,
2894 AVCodecContext *avctx)
2895{
2896 char *p;
2897 int n = 1, i;
2898 int64_t t;
2899
2900 for (p = kf; *p; p++)
2901 if (*p == ',')
2902 n++;
2903 ost->forced_kf_count = n;
2904 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
2905 if (!ost->forced_kf_pts) {
2906 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2907 exit_program(1);
2908 }
2909 for (i = 0; i < n; i++) {
2910 p = i ? strchr(p, ',') + 1 : kf;
2911 t = parse_time_or_die("force_key_frames", p, 1);
2912 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2913 }
2914}
2915
35e6f8c1 2916static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
169f0647
AK
2917{
2918 OutputStream *ost;
495ecfd1 2919 AVStream *st = av_new_stream(oc, oc->nb_streams < o->nb_streamid_map ? o->streamid_map[oc->nb_streams] : 0);
169f0647 2920 int idx = oc->nb_streams - 1;
96139b5e 2921 int64_t max_frames = INT64_MAX;
013887eb 2922 char *bsf = NULL, *next, *codec_tag = NULL;
d821cbe2 2923 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
77d9c454 2924 double qscale = -1;
169f0647
AK
2925
2926 if (!st) {
f24facd3 2927 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
169f0647
AK
2928 exit_program(1);
2929 }
2930
4288e031
AK
2931 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
2932 nb_output_streams + 1);
2933 ost = &output_streams[nb_output_streams - 1];
40fc2810 2934 ost->file_index = nb_output_files;
169f0647
AK
2935 ost->index = idx;
2936 ost->st = st;
2937 st->codec->codec_type = type;
35e6f8c1 2938 ost->enc = choose_codec(o, oc, st, type);
169f0647
AK
2939 if (ost->enc) {
2940 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
2941 }
2942
2943 avcodec_get_context_defaults3(st->codec, ost->enc);
2944 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
2945
96139b5e
AK
2946 MATCH_PER_STREAM_OPT(max_frames, i64, max_frames, oc, st);
2947 ost->max_frames = max_frames;
2948
d821cbe2
AK
2949 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
2950 while (bsf) {
2951 if (next = strchr(bsf, ','))
2952 *next++ = 0;
2953 if (!(bsfc = av_bitstream_filter_init(bsf))) {
f24facd3 2954 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
d821cbe2
AK
2955 exit_program(1);
2956 }
2957 if (bsfc_prev)
2958 bsfc_prev->next = bsfc;
2959 else
2960 ost->bitstream_filters = bsfc;
2961
2962 bsfc_prev = bsfc;
2963 bsf = next;
2964 }
2965
013887eb
AK
2966 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
2967 if (codec_tag) {
2968 uint32_t tag = strtol(codec_tag, &next, 0);
2969 if (*next)
2970 tag = AV_RL32(codec_tag);
2971 st->codec->codec_tag = tag;
2972 }
2973
77d9c454
AK
2974 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
2975 if (qscale >= 0 || same_quant) {
2976 st->codec->flags |= CODEC_FLAG_QSCALE;
2977 st->codec->global_quality = FF_QP2LAMBDA * qscale;
2978 }
2979
becdce99
AK
2980 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
2981 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
2982
169f0647
AK
2983 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
2984 return ost;
2985}
2986
2c2cff16
AK
2987static void parse_matrix_coeffs(uint16_t *dest, const char *str)
2988{
2989 int i;
2990 const char *p = str;
2991 for(i = 0;; i++) {
2992 dest[i] = atoi(p);
2993 if(i == 63)
2994 break;
2995 p = strchr(p, ',');
2996 if(!p) {
e3245b26 2997 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
2c2cff16
AK
2998 exit_program(1);
2999 }
3000 p++;
3001 }
3002}
3003
35e6f8c1 3004static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3005{
3006 AVStream *st;
3007 OutputStream *ost;
3008 AVCodecContext *video_enc;
6291d7e4 3009
35e6f8c1 3010 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
6291d7e4 3011 st = ost->st;
6291d7e4
AK
3012 video_enc = st->codec;
3013
d4397b03 3014 if (!st->stream_copy) {
0e68c783 3015 const char *p = NULL;
d4397b03 3016 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
b2254d83 3017 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
8e5ce590 3018 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
828e0bcb 3019 int i, force_fps = 0, top_field_first = -1;
6291d7e4 3020
91ea4811
AK
3021 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3022 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
f24facd3 3023 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
91ea4811
AK
3024 exit_program(1);
3025 }
6291d7e4 3026
d4397b03
AK
3027 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3028 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
f24facd3 3029 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
d4397b03
AK
3030 exit_program(1);
3031 }
3032
ca46fde7
AK
3033 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3034 if (frame_aspect_ratio)
3035 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3036
b2254d83
AK
3037 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3038 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
f24facd3 3039 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
b2254d83
AK
3040 exit_program(1);
3041 }
6291d7e4
AK
3042 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3043
2c2cff16
AK
3044 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3045 if (intra_matrix) {
3046 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
f24facd3 3047 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
2c2cff16
AK
3048 exit_program(1);
3049 }
3050 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3051 }
3052 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3053 if (inter_matrix) {
3054 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
f24facd3 3055 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
2c2cff16
AK
3056 exit_program(1);
3057 }
3058 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3059 }
6291d7e4 3060
0e68c783 3061 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
6291d7e4
AK
3062 for(i=0; p; i++){
3063 int start, end, q;
3064 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3065 if(e!=3){
e3245b26 3066 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
6291d7e4
AK
3067 exit_program(1);
3068 }
3069 video_enc->rc_override=
3070 av_realloc(video_enc->rc_override,
3071 sizeof(RcOverride)*(i+1));
3072 video_enc->rc_override[i].start_frame= start;
3073 video_enc->rc_override[i].end_frame = end;
3074 if(q>0){
3075 video_enc->rc_override[i].qscale= q;
3076 video_enc->rc_override[i].quality_factor= 1.0;
3077 }
3078 else{
3079 video_enc->rc_override[i].qscale= 0;
3080 video_enc->rc_override[i].quality_factor= -q/100.0;
3081 }
3082 p= strchr(p, '/');
3083 if(p) p++;
3084 }
3085 video_enc->rc_override_count=i;
3086 if (!video_enc->rc_initial_buffer_occupancy)
3087 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
6291d7e4
AK
3088 video_enc->intra_dc_precision= intra_dc_precision - 8;
3089
6291d7e4
AK
3090 /* two pass mode */
3091 if (do_pass) {
3092 if (do_pass == 1) {
3093 video_enc->flags |= CODEC_FLAG_PASS1;
3094 } else {
3095 video_enc->flags |= CODEC_FLAG_PASS2;
3096 }
3097 }
3098
7c029672 3099 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
6291d7e4
AK
3100 if (forced_key_frames)
3101 parse_forced_key_frames(forced_key_frames, ost, video_enc);
bef737a7
AK
3102
3103 MATCH_PER_STREAM_OPT(force_fps, i, force_fps, oc, st);
3104 ost->force_fps = force_fps;
828e0bcb
AK
3105
3106 MATCH_PER_STREAM_OPT(top_field_first, i, top_field_first, oc, st);
3107 ost->top_field_first = top_field_first;
8e5ce590
AK
3108
3109#if CONFIG_AVFILTER
3110 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
3111 if (filters)
3112 ost->avfilter = av_strdup(filters);
3113#endif
6291d7e4 3114 }
6291d7e4 3115
3d4f0dab 3116 return ost;
6291d7e4
AK
3117}
3118
35e6f8c1 3119static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3120{
3121 AVStream *st;
3122 OutputStream *ost;
6291d7e4 3123 AVCodecContext *audio_enc;
6291d7e4 3124
35e6f8c1 3125 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
6291d7e4
AK
3126 st = ost->st;
3127
6291d7e4
AK
3128 audio_enc = st->codec;
3129 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3130
92f1940e 3131 if (!st->stream_copy) {
05bffc12
AK
3132 char *sample_fmt = NULL;
3133
6a11686d
AK
3134 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3135
05bffc12
AK
3136 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3137 if (sample_fmt &&
3138 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
f24facd3 3139 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
05bffc12
AK
3140 exit_program(1);
3141 }
3142
e2469ccf 3143 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
6291d7e4 3144 }
6291d7e4 3145
3d4f0dab 3146 return ost;
6291d7e4
AK
3147}
3148
35e6f8c1 3149static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3150{
3151 AVStream *st;
3152 OutputStream *ost;
6291d7e4 3153
35e6f8c1 3154 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
6291d7e4 3155 st = ost->st;
92f1940e 3156 if (!st->stream_copy) {
e3245b26 3157 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
6291d7e4
AK
3158 exit_program(1);
3159 }
3160
3d4f0dab 3161 return ost;
6291d7e4
AK
3162}
3163
3ccd1580
AK
3164static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
3165{
3166 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
3167 ost->st->stream_copy = 1;
3168 return ost;
3169}
3170
35e6f8c1 3171static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3172{
3173 AVStream *st;
3174 OutputStream *ost;
6291d7e4 3175 AVCodecContext *subtitle_enc;
6291d7e4 3176
35e6f8c1 3177 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
6291d7e4
AK
3178 st = ost->st;
3179 subtitle_enc = st->codec;
3180
6291d7e4
AK
3181 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3182
3d4f0dab 3183 return ost;
6291d7e4
AK
3184}
3185
3186/* arg format is "output-stream-index:streamid-value". */
495ecfd1 3187static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
6291d7e4
AK
3188{
3189 int idx;
3190 char *p;
3191 char idx_str[16];
3192
3193 av_strlcpy(idx_str, arg, sizeof(idx_str));
3194 p = strchr(idx_str, ':');
3195 if (!p) {
e3245b26
AK
3196 av_log(NULL, AV_LOG_FATAL,
3197 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3198 arg, opt);
6291d7e4
AK
3199 exit_program(1);
3200 }
3201 *p++ = '\0';
3202 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
495ecfd1
AK
3203 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
3204 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
6291d7e4
AK
3205 return 0;
3206}
3207
847529f8 3208static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
86530f41 3209{
6b779ccc
AK
3210 AVFormatContext *is = ifile->ctx;
3211 AVFormatContext *os = ofile->ctx;
86530f41
AK
3212 int i;
3213
3214 for (i = 0; i < is->nb_chapters; i++) {
3215 AVChapter *in_ch = is->chapters[i], *out_ch;
6b779ccc 3216 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
86530f41 3217 AV_TIME_BASE_Q, in_ch->time_base);
6b779ccc
AK
3218 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3219 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
86530f41
AK
3220
3221
3222 if (in_ch->end < ts_off)
3223 continue;
3224 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3225 break;
3226
3227 out_ch = av_mallocz(sizeof(AVChapter));
3228 if (!out_ch)
3229 return AVERROR(ENOMEM);
3230
3231 out_ch->id = in_ch->id;
3232 out_ch->time_base = in_ch->time_base;
3233 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3234 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3235
847529f8 3236 if (copy_metadata)
86530f41
AK
3237 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3238
3239 os->nb_chapters++;
3240 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3241 if (!os->chapters)
3242 return AVERROR(ENOMEM);
3243 os->chapters[os->nb_chapters - 1] = out_ch;
3244 }
3245 return 0;
3246}
3247
35e6f8c1 3248static int read_avserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
169f0647
AK
3249{
3250 int i, err;
3251 AVFormatContext *ic = NULL;
169f0647
AK
3252
3253 err = avformat_open_input(&ic, filename, NULL, NULL);
3254 if (err < 0)
3255 return err;
3256 /* copy stream format */
3257 for(i=0;i<ic->nb_streams;i++) {
3258 AVStream *st;
3259 OutputStream *ost;
3260 AVCodec *codec;
3261
3262 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
35e6f8c1 3263 ost = new_output_stream(o, s, codec->type);
169f0647
AK
3264 st = ost->st;
3265
3266 // FIXME: a more elegant solution is needed
3267 memcpy(st, ic->streams[i], sizeof(AVStream));
3268 st->info = NULL;
3269 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3270
3271 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3272 choose_sample_fmt(st, codec);
3273 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3274 choose_pixel_fmt(st, codec);
169f0647
AK
3275 }
3276
3277 av_close_input_file(ic);
3278 return 0;
3279}
3280
7cc8d638 3281static void opt_output_file(void *optctx, const char *filename)
6291d7e4 3282{
575ec4e1 3283 OptionsContext *o = optctx;
6291d7e4 3284 AVFormatContext *oc;
3d4f0dab 3285 int i, err;
6291d7e4 3286 AVOutputFormat *file_oformat;
3d4f0dab
AK
3287 OutputStream *ost;
3288 InputStream *ist;
6291d7e4
AK
3289
3290 if (!strcmp(filename, "-"))
3291 filename = "pipe:";
3292
3293 oc = avformat_alloc_context();
3294 if (!oc) {
3295 print_error(filename, AVERROR(ENOMEM));
3296 exit_program(1);
3297 }
3298
7041bb3b
AK
3299 if (o->format) {
3300 file_oformat = av_guess_format(o->format, NULL, NULL);
6291d7e4 3301 if (!file_oformat) {
e3245b26 3302 av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format);
6291d7e4
AK
3303 exit_program(1);
3304 }
6291d7e4
AK
3305 } else {
3306 file_oformat = av_guess_format(NULL, filename, NULL);
3307 if (!file_oformat) {
e3245b26
AK
3308 av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n",
3309 filename);
6291d7e4
AK
3310 exit_program(1);
3311 }
3312 }
3313
3314 oc->oformat = file_oformat;
3315 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3316
3317 if (!strcmp(file_oformat->name, "ffm") &&
3318 av_strstart(filename, "http:", NULL)) {
3319 /* special case for files sent to avserver: we get the stream
3320 parameters from avserver */
35e6f8c1 3321 int err = read_avserver_streams(o, oc, filename);
6291d7e4
AK
3322 if (err < 0) {
3323 print_error(filename, err);
3324 exit_program(1);
3325 }
575ec4e1 3326 } else if (!o->nb_stream_maps) {
3d4f0dab
AK
3327 /* pick the "best" stream of each type */
3328#define NEW_STREAM(type, index)\
3329 if (index >= 0) {\
35e6f8c1 3330 ost = new_ ## type ## _stream(o, oc);\
3d4f0dab
AK
3331 ost->source_index = index;\
3332 ost->sync_ist = &input_streams[index];\
3333 input_streams[index].discard = 0;\
3334 }
3335
3336 /* video: highest resolution */
2130981a 3337 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3d4f0dab
AK
3338 int area = 0, idx = -1;
3339 for (i = 0; i < nb_input_streams; i++) {
3340 ist = &input_streams[i];
3341 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3342 ist->st->codec->width * ist->st->codec->height > area) {
3343 area = ist->st->codec->width * ist->st->codec->height;
3344 idx = i;
3345 }
3346 }
3347 NEW_STREAM(video, idx);
3348 }
3349
3350 /* audio: most channels */
2130981a 3351 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3d4f0dab
AK
3352 int channels = 0, idx = -1;
3353 for (i = 0; i < nb_input_streams; i++) {
3354 ist = &input_streams[i];
3355 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3356 ist->st->codec->channels > channels) {
3357 channels = ist->st->codec->channels;
3358 idx = i;
3359 }
3360 }
3361 NEW_STREAM(audio, idx);
3362 }
3363
3364 /* subtitles: pick first */
2130981a 3365 if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3d4f0dab
AK
3366 for (i = 0; i < nb_input_streams; i++)
3367 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3368 NEW_STREAM(subtitle, i);
3369 break;
3370 }
3371 }
3372 /* do something with data? */
6291d7e4 3373 } else {
575ec4e1
AK
3374 for (i = 0; i < o->nb_stream_maps; i++) {
3375 StreamMap *map = &o->stream_maps[i];
3d4f0dab 3376
8d2e4a7e
AK
3377 if (map->disabled)
3378 continue;
3d4f0dab 3379
6cd9d0f7 3380 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3d4f0dab 3381 switch (ist->st->codec->codec_type) {
35e6f8c1
AK
3382 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3383 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3384 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3385 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3ccd1580 3386 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
3d4f0dab 3387 default:
f24facd3 3388 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d.%d - unsupported type.\n",
3d4f0dab
AK
3389 map->file_index, map->stream_index);
3390 exit_program(1);
3391 }
3392
6cd9d0f7 3393 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3d4f0dab
AK
3394 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3395 map->sync_stream_index];
3396 ist->discard = 0;
3397 }
6291d7e4
AK
3398 }
3399
af70aa45
AK
3400 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3401 output_files[nb_output_files - 1].ctx = oc;
4288e031 3402 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
6b779ccc
AK
3403 output_files[nb_output_files - 1].recording_time = o->recording_time;
3404 output_files[nb_output_files - 1].start_time = o->start_time;
13ccba50 3405 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
af70aa45 3406 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
6291d7e4
AK
3407
3408 /* check filename in case of an image number is expected */
3409 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3410 if (!av_filename_number_test(oc->filename)) {
3411 print_error(oc->filename, AVERROR(EINVAL));
3412 exit_program(1);
3413 }
3414 }
3415
3416 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3417 /* test if it already exists to avoid loosing precious files */
3418 if (!file_overwrite &&
3419 (strchr(filename, ':') == NULL ||
3420 filename[1] == ':' ||
3421 av_strstart(filename, "file:", NULL))) {
3422 if (avio_check(filename, 0) == 0) {
3423 if (!using_stdin) {
3424 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3425 fflush(stderr);
3426 if (!read_yesno()) {
3427 fprintf(stderr, "Not overwriting - exiting\n");
3428 exit_program(1);
3429 }
3430 }
3431 else {
3432 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3433 exit_program(1);
3434 }
3435 }
3436 }
3437
3438 /* open the file */
3439 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3440 print_error(filename, err);
3441 exit_program(1);
3442 }
3443 }
3444
dc26318c
AK
3445 oc->preload = (int)(o->mux_preload * AV_TIME_BASE);
3446 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
6291d7e4
AK
3447 oc->flags |= AVFMT_FLAG_NONBLOCK;
3448
b9aac90b 3449 /* copy chapters */
c5bb372e
AK
3450 if (o->chapters_input_file >= nb_input_files) {
3451 if (o->chapters_input_file == INT_MAX) {
b9aac90b 3452 /* copy chapters from the first input file that has them*/
c5bb372e 3453 o->chapters_input_file = -1;
b9aac90b
AK
3454 for (i = 0; i < nb_input_files; i++)
3455 if (input_files[i].ctx->nb_chapters) {
c5bb372e 3456 o->chapters_input_file = i;
b9aac90b
AK
3457 break;
3458 }
3459 } else {
f24facd3 3460 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
c5bb372e 3461 o->chapters_input_file);
b9aac90b
AK
3462 exit_program(1);
3463 }
3464 }
c5bb372e
AK
3465 if (o->chapters_input_file >= 0)
3466 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
f39ecc79 3467 !o->metadata_chapters_manual);
b9aac90b 3468
e6e6060c 3469 /* copy metadata */
847529f8 3470 for (i = 0; i < o->nb_meta_data_maps; i++) {
e6e6060c
AK
3471 AVFormatContext *files[2];
3472 AVDictionary **meta[2];
3473 int j;
3474
3475#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3476 if ((index) < 0 || (index) >= (nb_elems)) {\
f24facd3 3477 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps\n",\
e6e6060c
AK
3478 (desc), (index));\
3479 exit_program(1);\
3480 }
3481
847529f8 3482 int in_file_index = o->meta_data_maps[i][1].file;
e6e6060c
AK
3483 if (in_file_index < 0)
3484 continue;
3485 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3486
3487 files[0] = oc;
3488 files[1] = input_files[in_file_index].ctx;
3489
3490 for (j = 0; j < 2; j++) {
847529f8 3491 MetadataMap *map = &o->meta_data_maps[i][j];
e6e6060c
AK
3492
3493 switch (map->type) {
3494 case 'g':
3495 meta[j] = &files[j]->metadata;
3496 break;
3497 case 's':
3498 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3499 meta[j] = &files[j]->streams[map->index]->metadata;
3500 break;
3501 case 'c':
3502 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3503 meta[j] = &files[j]->chapters[map->index]->metadata;
3504 break;
3505 case 'p':
3506 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3507 meta[j] = &files[j]->programs[map->index]->metadata;
3508 break;
3509 }
3510 }
3511
3512 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3513 }
3514
3515 /* copy global metadata by default */
847529f8 3516 if (!o->metadata_global_manual && nb_input_files)
e6e6060c
AK
3517 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3518 AV_DICT_DONT_OVERWRITE);
847529f8 3519 if (!o->metadata_streams_manual)
4288e031
AK
3520 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3521 InputStream *ist = &input_streams[output_streams[i].source_index];
3522 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
e6e6060c
AK
3523 }
3524
039267f1
AK
3525 /* process manually set metadata */
3526 for (i = 0; i < o->nb_metadata; i++) {
3527 AVDictionary **m;
3528 char type, *val;
3529 int index = 0;
3530
3531 val = strchr(o->metadata[i].u.str, '=');
3532 if (!val) {
f24facd3 3533 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
039267f1
AK
3534 o->metadata[i].u.str);
3535 exit_program(1);
3536 }
3537 *val++ = 0;
3538
3539 parse_meta_type(o->metadata[i].specifier, &type, &index);
3540 switch (type) {
3541 case 'g':
3542 m = &oc->metadata;
3543 break;
3544 case 's':
3545 if (index < 0 || index >= oc->nb_streams) {
f24facd3 3546 av_log(NULL, AV_LOG_FATAL, "Invalid stream index %d in metadata specifier.\n", index);
039267f1
AK
3547 exit_program(1);
3548 }
4bb3ae1e 3549 m = &oc->streams[index]->metadata;
039267f1
AK
3550 break;
3551 case 'c':
3552 if (index < 0 || index >= oc->nb_chapters) {
f24facd3 3553 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
039267f1
AK
3554 exit_program(1);
3555 }
4bb3ae1e 3556 m = &oc->chapters[index]->metadata;
039267f1
AK
3557 break;
3558 default:
f24facd3 3559 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
039267f1
AK
3560 exit_program(1);
3561 }
3562
3563 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
3564 }
3565
575ec4e1 3566 reset_options(o);
6291d7e4
AK
3567}
3568
3569/* same option as mencoder */
3570static int opt_pass(const char *opt, const char *arg)
3571{
3572 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3573 return 0;
3574}
3575
3576static int64_t getutime(void)
3577{
3578#if HAVE_GETRUSAGE
3579 struct rusage rusage;
3580
3581 getrusage(RUSAGE_SELF, &rusage);
3582 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3583#elif HAVE_GETPROCESSTIMES
3584 HANDLE proc;
3585 FILETIME c, e, k, u;
3586 proc = GetCurrentProcess();
3587 GetProcessTimes(proc, &c, &e, &k, &u);
3588 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3589#else
3590 return av_gettime();
3591#endif
3592}
3593
3594static int64_t getmaxrss(void)
3595{
3596#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3597 struct rusage rusage;
3598 getrusage(RUSAGE_SELF, &rusage);
3599 return (int64_t)rusage.ru_maxrss * 1024;
3600#elif HAVE_GETPROCESSMEMORYINFO
3601 HANDLE proc;
3602 PROCESS_MEMORY_COUNTERS memcounters;
3603 proc = GetCurrentProcess();
3604 memcounters.cb = sizeof(memcounters);
3605 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3606 return memcounters.PeakPagefileUsage;
3607#else
3608 return 0;
3609#endif
3610}
3611
77d9c454
AK
3612static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
3613{
3614 return parse_option(o, "q:a", arg, options);
3615}
3616
6291d7e4
AK
3617static void show_usage(void)
3618{
3619 printf("Hyper fast Audio and Video encoder\n");
3620 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3621 printf("\n");
3622}
3623
3624static void show_help(void)
3625{
3626 AVCodec *c;
3627 AVOutputFormat *oformat = NULL;
3628 AVInputFormat *iformat = NULL;
20c21f8b 3629 const AVClass *class;
6291d7e4
AK
3630
3631 av_log_set_callback(log_callback_help);
3632 show_usage();
3633 show_help_options(options, "Main options:\n",
3634 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3635 show_help_options(options, "\nAdvanced options:\n",
3636 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3637 OPT_EXPERT);
3638 show_help_options(options, "\nVideo options:\n",
3639 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3640 OPT_VIDEO);
3641 show_help_options(options, "\nAdvanced Video options:\n",
3642 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3643 OPT_VIDEO | OPT_EXPERT);
3644 show_help_options(options, "\nAudio options:\n",
3645 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3646 OPT_AUDIO);
3647 show_help_options(options, "\nAdvanced Audio options:\n",
3648 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3649 OPT_AUDIO | OPT_EXPERT);
3650 show_help_options(options, "\nSubtitle options:\n",
3651 OPT_SUBTITLE | OPT_GRAB,
3652 OPT_SUBTITLE);
3653 show_help_options(options, "\nAudio/Video grab options:\n",
3654 OPT_GRAB,
3655 OPT_GRAB);
3656 printf("\n");
20c21f8b
AK
3657 class = avcodec_get_class();
3658 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
6291d7e4
AK
3659 printf("\n");
3660
3661 /* individual codec options */
3662 c = NULL;
3663 while ((c = av_codec_next(c))) {
3664 if (c->priv_class) {
3665 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3666 printf("\n");
3667 }
3668 }
3669
20c21f8b
AK
3670 class = avformat_get_class();
3671 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
6291d7e4
AK
3672 printf("\n");
3673
3674 /* individual muxer options */
3675 while ((oformat = av_oformat_next(oformat))) {
3676 if (oformat->priv_class) {
3677 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3678 printf("\n");
3679 }
3680 }
3681
3682 /* individual demuxer options */
3683 while ((iformat = av_iformat_next(iformat))) {
3684 if (iformat->priv_class) {
3685