avconv: extend -vf syntax
[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
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100/* indexed by output file stream index */
101static int *streamid_map = NULL;
102static int nb_streamid_map = 0;
103
6291d7e4 104static int video_discard = 0;
f4ad238c 105static int same_quant = 0;
6291d7e4 106static int do_deinterlace = 0;
6291d7e4 107static int intra_dc_precision = 8;
6291d7e4 108static int qp_hist = 0;
6291d7e4 109
6291d7e4 110static int file_overwrite = 0;
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111static int do_benchmark = 0;
112static int do_hex_dump = 0;
113static int do_pkt_dump = 0;
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114static int do_pass = 0;
115static char *pass_logfilename_prefix = NULL;
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116static int video_sync_method= -1;
117static int audio_sync_method= 0;
118static float audio_drift_threshold= 0.1;
119static int copy_ts= 0;
120static int copy_tb;
121static int opt_shortest = 0;
122static char *vstats_filename;
123static FILE *vstats_file;
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124static int copy_initial_nonkeyframes = 0;
125
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126static int audio_volume = 256;
127
128static int exit_on_error = 0;
129static int using_stdin = 0;
130static int verbose = 1;
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131static int64_t video_size = 0;
132static int64_t audio_size = 0;
133static int64_t extra_size = 0;
134static int nb_frames_dup = 0;
135static int nb_frames_drop = 0;
136static int input_sync;
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137
138static float dts_delta_threshold = 10;
139
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140static uint8_t *audio_buf;
141static uint8_t *audio_out;
142static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
143
144static short *samples;
145
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146#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
147
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148typedef struct InputStream {
149 int file_index;
150 AVStream *st;
151 int discard; /* true if stream data should be discarded */
152 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
153 AVCodec *dec;
154
155 int64_t start; /* time when read started */
156 int64_t next_pts; /* synthetic pts for cases where pkt.pts
157 is not defined */
158 int64_t pts; /* current pts */
159 PtsCorrectionContext pts_ctx;
160 double ts_scale;
161 int is_start; /* is 1 at the start and after a discontinuity */
162 int showed_multi_packet_warning;
163 AVDictionary *opts;
164} InputStream;
165
166typedef struct InputFile {
167 AVFormatContext *ctx;
168 int eof_reached; /* true if eof reached */
169 int ist_index; /* index of first stream in ist_table */
170 int buffer_size; /* current total buffer size */
171 int64_t ts_offset;
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172 int nb_streams; /* number of stream that avconv is aware of; may be different
173 from ctx.nb_streams if new streams appear during av_read_frame() */
f4805328 174 int rate_emu;
6494c001 175} InputFile;
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176
177typedef struct OutputStream {
178 int file_index; /* file index */
179 int index; /* stream index in the output file */
180 int source_index; /* InputStream index */
181 AVStream *st; /* stream in the output file */
182 int encoding_needed; /* true if encoding needed for this stream */
183 int frame_number;
184 /* input pts and corresponding output pts
185 for A/V sync */
186 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
187 struct InputStream *sync_ist; /* input stream to sync against */
188 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
189 AVBitStreamFilterContext *bitstream_filters;
190 AVCodec *enc;
96139b5e 191 int64_t max_frames;
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192
193 /* video only */
194 int video_resample;
195 AVFrame pict_tmp; /* temporary image for resampling */
196 struct SwsContext *img_resample_ctx; /* for image resampling */
197 int resample_height;
198 int resample_width;
199 int resample_pix_fmt;
200 AVRational frame_rate;
bef737a7 201 int force_fps;
828e0bcb 202 int top_field_first;
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203
204 float frame_aspect_ratio;
205
206 /* forced key frames */
207 int64_t *forced_kf_pts;
208 int forced_kf_count;
209 int forced_kf_index;
210
211 /* audio only */
212 int audio_resample;
213 ReSampleContext *resample; /* for audio resampling */
214 int resample_sample_fmt;
215 int resample_channels;
216 int resample_sample_rate;
217 int reformat_pair;
218 AVAudioConvert *reformat_ctx;
219 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
220 FILE *logfile;
221
222#if CONFIG_AVFILTER
223 AVFilterContext *output_video_filter;
224 AVFilterContext *input_video_filter;
225 AVFilterBufferRef *picref;
226 char *avfilter;
227 AVFilterGraph *graph;
228#endif
229
230 int sws_flags;
231 AVDictionary *opts;
ef44a607 232 int is_past_recording_time;
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233} OutputStream;
234
6291d7e4 235
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236typedef struct OutputFile {
237 AVFormatContext *ctx;
238 AVDictionary *opts;
4288e031 239 int ost_index; /* index of the first stream in output_streams */
ef44a607 240 int64_t recording_time; /* desired length of the resulting file in microseconds */
ea065176 241 int64_t start_time; /* start time in microseconds */
f21f294e 242 uint64_t limit_filesize;
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243} OutputFile;
244
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245static InputStream *input_streams = NULL;
246static int nb_input_streams = 0;
247static InputFile *input_files = NULL;
248static int nb_input_files = 0;
249
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250static OutputStream *output_streams = NULL;
251static int nb_output_streams = 0;
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252static OutputFile *output_files = NULL;
253static int nb_output_files = 0;
254
575ec4e1 255typedef struct OptionsContext {
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256 /* input/output options */
257 int64_t start_time;
7041bb3b 258 const char *format;
6b779ccc 259
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260 SpecifierOpt *codec_names;
261 int nb_codec_names;
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262 SpecifierOpt *audio_channels;
263 int nb_audio_channels;
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264 SpecifierOpt *audio_sample_rate;
265 int nb_audio_sample_rate;
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266 SpecifierOpt *frame_rates;
267 int nb_frame_rates;
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268 SpecifierOpt *frame_sizes;
269 int nb_frame_sizes;
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270 SpecifierOpt *frame_pix_fmts;
271 int nb_frame_pix_fmts;
35e6f8c1 272
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273 /* input options */
274 int64_t input_ts_offset;
f4805328 275 int rate_emu;
6b779ccc 276
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277 SpecifierOpt *ts_scale;
278 int nb_ts_scale;
279
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280 /* output options */
281 StreamMap *stream_maps;
282 int nb_stream_maps;
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283 /* first item specifies output metadata, second is input */
284 MetadataMap (*meta_data_maps)[2];
285 int nb_meta_data_maps;
286 int metadata_global_manual;
287 int metadata_streams_manual;
288 int metadata_chapters_manual;
6b779ccc 289
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290 int chapters_input_file;
291
6b779ccc 292 int64_t recording_time;
13ccba50 293 uint64_t limit_filesize;
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294 float mux_preload;
295 float mux_max_delay;
039267f1 296
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297 int video_disable;
298 int audio_disable;
299 int subtitle_disable;
300 int data_disable;
301
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302 SpecifierOpt *metadata;
303 int nb_metadata;
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304 SpecifierOpt *max_frames;
305 int nb_max_frames;
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306 SpecifierOpt *bitstream_filters;
307 int nb_bitstream_filters;
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308 SpecifierOpt *codec_tags;
309 int nb_codec_tags;
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310 SpecifierOpt *sample_fmts;
311 int nb_sample_fmts;
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312 SpecifierOpt *qscale;
313 int nb_qscale;
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314 SpecifierOpt *forced_key_frames;
315 int nb_forced_key_frames;
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316 SpecifierOpt *force_fps;
317 int nb_force_fps;
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318 SpecifierOpt *frame_aspect_ratios;
319 int nb_frame_aspect_ratios;
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320 SpecifierOpt *rc_overrides;
321 int nb_rc_overrides;
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322 SpecifierOpt *intra_matrices;
323 int nb_intra_matrices;
324 SpecifierOpt *inter_matrices;
325 int nb_inter_matrices;
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326 SpecifierOpt *top_field_first;
327 int nb_top_field_first;
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328#if CONFIG_AVFILTER
329 SpecifierOpt *filters;
330 int nb_filters;
331#endif
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332} OptionsContext;
333
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334#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
335{\
336 int i, ret;\
337 for (i = 0; i < o->nb_ ## name; i++) {\
338 char *spec = o->name[i].specifier;\
339 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
340 outvar = o->name[i].u.type;\
341 else if (ret < 0)\
342 exit_program(1);\
343 }\
344}
345
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346static void reset_options(OptionsContext *o)
347{
348 const OptionDef *po = options;
349
350 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
351 while (po->name) {
352 void *dst = (uint8_t*)o + po->u.off;
353
354 if (po->flags & OPT_SPEC) {
355 SpecifierOpt **so = dst;
356 int i, *count = (int*)(so + 1);
357 for (i = 0; i < *count; i++) {
358 av_freep(&(*so)[i].specifier);
359 if (po->flags & OPT_STRING)
360 av_freep(&(*so)[i].u.str);
361 }
362 av_freep(so);
363 *count = 0;
364 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
365 av_freep(dst);
366 po++;
367 }
368
369 av_freep(&o->stream_maps);
847529f8 370 av_freep(&o->meta_data_maps);
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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) {
538 fprintf(stderr,
539 "Received signal %d: terminating.\n",
540 (int) received_sigterm);
541 exit (255);
542 }
543
544 exit(ret); /* not all OS-es handle main() return value */
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545}
546
547static void assert_avoptions(AVDictionary *m)
548{
549 AVDictionaryEntry *t;
550 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
551 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
552 exit_program(1);
553 }
554}
555
556static void assert_codec_experimental(AVCodecContext *c, int encoder)
557{
558 const char *codec_string = encoder ? "encoder" : "decoder";
559 AVCodec *codec;
560 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
561 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
562 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
563 "results.\nAdd '-strict experimental' if you want to use it.\n",
564 codec_string, c->codec->name);
565 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
566 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
567 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
568 codec_string, codec->name);
569 exit_program(1);
570 }
571}
572
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573static void choose_sample_fmt(AVStream *st, AVCodec *codec)
574{
575 if(codec && codec->sample_fmts){
576 const enum AVSampleFormat *p= codec->sample_fmts;
577 for(; *p!=-1; p++){
578 if(*p == st->codec->sample_fmt)
579 break;
580 }
581 if (*p == -1) {
582 av_log(NULL, AV_LOG_WARNING,
583 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
584 av_get_sample_fmt_name(st->codec->sample_fmt),
585 codec->name,
586 av_get_sample_fmt_name(codec->sample_fmts[0]));
587 st->codec->sample_fmt = codec->sample_fmts[0];
588 }
589 }
590}
591
592/**
593 * Update the requested input sample format based on the output sample format.
594 * This is currently only used to request float output from decoders which
595 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
596 * Ideally this will be removed in the future when decoders do not do format
597 * conversion and only output in their native format.
598 */
599static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
600 AVCodecContext *enc)
601{
602 /* if sample formats match or a decoder sample format has already been
603 requested, just return */
604 if (enc->sample_fmt == dec->sample_fmt ||
605 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
606 return;
607
608 /* if decoder supports more than one output format */
609 if (dec_codec && dec_codec->sample_fmts &&
610 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
611 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
612 const enum AVSampleFormat *p;
613 int min_dec = -1, min_inc = -1;
614
615 /* find a matching sample format in the encoder */
616 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
617 if (*p == enc->sample_fmt) {
618 dec->request_sample_fmt = *p;
619 return;
620 } else if (*p > enc->sample_fmt) {
621 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
622 } else
623 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
624 }
625
626 /* if none match, provide the one that matches quality closest */
627 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
628 enc->sample_fmt - min_dec;
629 }
630}
631
632static void choose_sample_rate(AVStream *st, AVCodec *codec)
633{
634 if(codec && codec->supported_samplerates){
635 const int *p= codec->supported_samplerates;
636 int best=0;
637 int best_dist=INT_MAX;
638 for(; *p; p++){
639 int dist= abs(st->codec->sample_rate - *p);
640 if(dist < best_dist){
641 best_dist= dist;
642 best= *p;
643 }
644 }
645 if(best_dist){
646 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
647 }
648 st->codec->sample_rate= best;
649 }
650}
651
652static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
653{
654 if(codec && codec->pix_fmts){
655 const enum PixelFormat *p= codec->pix_fmts;
656 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
657 if(st->codec->codec_id==CODEC_ID_MJPEG){
658 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
659 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
660 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE};
661 }
662 }
663 for(; *p!=-1; p++){
664 if(*p == st->codec->pix_fmt)
665 break;
666 }
667 if (*p == -1) {
668 if(st->codec->pix_fmt != PIX_FMT_NONE)
669 av_log(NULL, AV_LOG_WARNING,
670 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
671 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
672 codec->name,
673 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
674 st->codec->pix_fmt = codec->pix_fmts[0];
675 }
676 }
677}
678
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679static double
680get_sync_ipts(const OutputStream *ost)
681{
682 const InputStream *ist = ost->sync_ist;
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683 OutputFile *of = &output_files[ost->file_index];
684 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
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685}
686
687static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
688 int ret;
689
690 while(bsfc){
691 AVPacket new_pkt= *pkt;
692 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
693 &new_pkt.data, &new_pkt.size,
694 pkt->data, pkt->size,
695 pkt->flags & AV_PKT_FLAG_KEY);
696 if(a>0){
697 av_free_packet(pkt);
698 new_pkt.destruct= av_destruct_packet;
699 } else if(a<0){
700 fprintf(stderr, "%s failed for stream %d, codec %s",
701 bsfc->filter->name, pkt->stream_index,
702 avctx->codec ? avctx->codec->name : "copy");
703 print_error("", a);
704 if (exit_on_error)
705 exit_program(1);
706 }
707 *pkt= new_pkt;
708
709 bsfc= bsfc->next;
710 }
711
712 ret= av_interleaved_write_frame(s, pkt);
713 if(ret < 0){
714 print_error("av_interleaved_write_frame()", ret);
715 exit_program(1);
716 }
717}
718
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719static void do_audio_out(AVFormatContext *s,
720 OutputStream *ost,
721 InputStream *ist,
722 unsigned char *buf, int size)
723{
724 uint8_t *buftmp;
725 int64_t audio_out_size, audio_buf_size;
726 int64_t allocated_for_size= size;
727
728 int size_out, frame_bytes, ret, resample_changed;
729 AVCodecContext *enc= ost->st->codec;
730 AVCodecContext *dec= ist->st->codec;
731 int osize = av_get_bytes_per_sample(enc->sample_fmt);
732 int isize = av_get_bytes_per_sample(dec->sample_fmt);
733 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
734
735need_realloc:
736 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
737 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
738 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
739 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
740 audio_buf_size*= osize*enc->channels;
741
742 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
743 if(coded_bps > 8*osize)
744 audio_out_size= audio_out_size * coded_bps / (8*osize);
745 audio_out_size += FF_MIN_BUFFER_SIZE;
746
747 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
748 fprintf(stderr, "Buffer sizes too large\n");
749 exit_program(1);
750 }
751
752 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
753 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
754 if (!audio_buf || !audio_out){
755 fprintf(stderr, "Out of memory in do_audio_out\n");
756 exit_program(1);
757 }
758
759 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
760 ost->audio_resample = 1;
761
762 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
763 ost->resample_channels != dec->channels ||
764 ost->resample_sample_rate != dec->sample_rate;
765
766 if ((ost->audio_resample && !ost->resample) || resample_changed) {
767 if (resample_changed) {
768 av_log(NULL, AV_LOG_INFO, "Input stream #%d.%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
769 ist->file_index, ist->st->index,
770 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
771 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
772 ost->resample_sample_fmt = dec->sample_fmt;
773 ost->resample_channels = dec->channels;
774 ost->resample_sample_rate = dec->sample_rate;
775 if (ost->resample)
776 audio_resample_close(ost->resample);
777 }
778 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
779 if (audio_sync_method <= 1 &&
780 ost->resample_sample_fmt == enc->sample_fmt &&
781 ost->resample_channels == enc->channels &&
782 ost->resample_sample_rate == enc->sample_rate) {
783 ost->resample = NULL;
784 ost->audio_resample = 0;
785 } else if (ost->audio_resample) {
786 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
787 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
788 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
789 enc->sample_rate, dec->sample_rate,
790 enc->sample_fmt, dec->sample_fmt,
791 16, 10, 0, 0.8);
792 if (!ost->resample) {
793 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
794 dec->channels, dec->sample_rate,
795 enc->channels, enc->sample_rate);
796 exit_program(1);
797 }
798 }
799 }
800
801#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
802 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
803 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
804 if (ost->reformat_ctx)
805 av_audio_convert_free(ost->reformat_ctx);
806 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
807 dec->sample_fmt, 1, NULL, 0);
808 if (!ost->reformat_ctx) {
809 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
810 av_get_sample_fmt_name(dec->sample_fmt),
811 av_get_sample_fmt_name(enc->sample_fmt));
812 exit_program(1);
813 }
814 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
815 }
816
817 if(audio_sync_method){
818 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
819 - av_fifo_size(ost->fifo)/(enc->channels * 2);
820 double idelta= delta*dec->sample_rate / enc->sample_rate;
821 int byte_delta= ((int)idelta)*2*dec->channels;
822
823 //FIXME resample delay
824 if(fabs(delta) > 50){
825 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
826 if(byte_delta < 0){
827 byte_delta= FFMAX(byte_delta, -size);
828 size += byte_delta;
829 buf -= byte_delta;
830 if(verbose > 2)
831 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
832 if(!size)
833 return;
834 ist->is_start=0;
835 }else{
836 static uint8_t *input_tmp= NULL;
837 input_tmp= av_realloc(input_tmp, byte_delta + size);
838
839 if(byte_delta > allocated_for_size - size){
840 allocated_for_size= byte_delta + (int64_t)size;
841 goto need_realloc;
842 }
843 ist->is_start=0;
844
845 memset(input_tmp, 0, byte_delta);
846 memcpy(input_tmp + byte_delta, buf, size);
847 buf= input_tmp;
848 size += byte_delta;
849 if(verbose > 2)
850 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
851 }
852 }else if(audio_sync_method>1){
853 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
854 av_assert0(ost->audio_resample);
855 if(verbose > 2)
856 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
857// fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2));
858 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
859 }
860 }
861 }else
862 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
863 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
864
865 if (ost->audio_resample) {
866 buftmp = audio_buf;
867 size_out = audio_resample(ost->resample,
868 (short *)buftmp, (short *)buf,
869 size / (dec->channels * isize));
870 size_out = size_out * enc->channels * osize;
871 } else {
872 buftmp = buf;
873 size_out = size;
874 }
875
876 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
877 const void *ibuf[6]= {buftmp};
878 void *obuf[6]= {audio_buf};
879 int istride[6]= {isize};
880 int ostride[6]= {osize};
881 int len= size_out/istride[0];
882 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
883 printf("av_audio_convert() failed\n");
884 if (exit_on_error)
885 exit_program(1);
886 return;
887 }
888 buftmp = audio_buf;
889 size_out = len*osize;
890 }
891
892 /* now encode as many frames as possible */
893 if (enc->frame_size > 1) {
894 /* output resampled raw samples */
895 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
896 fprintf(stderr, "av_fifo_realloc2() failed\n");
897 exit_program(1);
898 }
899 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
900
901 frame_bytes = enc->frame_size * osize * enc->channels;
902
903 while (av_fifo_size(ost->fifo) >= frame_bytes) {
904 AVPacket pkt;
905 av_init_packet(&pkt);
906
907 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
908
909 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
910
911 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
912 (short *)audio_buf);
913 if (ret < 0) {
914 fprintf(stderr, "Audio encoding failed\n");
915 exit_program(1);
916 }
917 audio_size += ret;
918 pkt.stream_index= ost->index;
919 pkt.data= audio_out;
920 pkt.size= ret;
921 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
922 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
923 pkt.flags |= AV_PKT_FLAG_KEY;
924 write_frame(s, &pkt, enc, ost->bitstream_filters);
925
926 ost->sync_opts += enc->frame_size;
927 }
928 } else {
929 AVPacket pkt;
930 av_init_packet(&pkt);
931
932 ost->sync_opts += size_out / (osize * enc->channels);
933
934 /* output a pcm frame */
935 /* determine the size of the coded buffer */
936 size_out /= osize;
937 if (coded_bps)
938 size_out = size_out*coded_bps/8;
939
940 if(size_out > audio_out_size){
941 fprintf(stderr, "Internal error, buffer size too small\n");
942 exit_program(1);
943 }
944
945 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
946 ret = avcodec_encode_audio(enc, audio_out, size_out,
947 (short *)buftmp);
948 if (ret < 0) {
949 fprintf(stderr, "Audio encoding failed\n");
950 exit_program(1);
951 }
952 audio_size += ret;
953 pkt.stream_index= ost->index;
954 pkt.data= audio_out;
955 pkt.size= ret;
956 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
957 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
958 pkt.flags |= AV_PKT_FLAG_KEY;
959 write_frame(s, &pkt, enc, ost->bitstream_filters);
960 }
961}
962
963static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
964{
965 AVCodecContext *dec;
966 AVPicture *picture2;
967 AVPicture picture_tmp;
968 uint8_t *buf = 0;
969
970 dec = ist->st->codec;
971
972 /* deinterlace : must be done before any resize */
973 if (do_deinterlace) {
974 int size;
975
976 /* create temporary picture */
977 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
978 buf = av_malloc(size);
979 if (!buf)
980 return;
981
982 picture2 = &picture_tmp;
983 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
984
985 if(avpicture_deinterlace(picture2, picture,
986 dec->pix_fmt, dec->width, dec->height) < 0) {
987 /* if error, do not deinterlace */
988 fprintf(stderr, "Deinterlacing failed\n");
989 av_free(buf);
990 buf = NULL;
991 picture2 = picture;
992 }
993 } else {
994 picture2 = picture;
995 }
996
997 if (picture != picture2)
998 *picture = *picture2;
999 *bufp = buf;
1000}
1001
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1002static void do_subtitle_out(AVFormatContext *s,
1003 OutputStream *ost,
1004 InputStream *ist,
1005 AVSubtitle *sub,
1006 int64_t pts)
1007{
1008 static uint8_t *subtitle_out = NULL;
1009 int subtitle_out_max_size = 1024 * 1024;
1010 int subtitle_out_size, nb, i;
1011 AVCodecContext *enc;
1012 AVPacket pkt;
1013
1014 if (pts == AV_NOPTS_VALUE) {
1015 fprintf(stderr, "Subtitle packets must have a pts\n");
1016 if (exit_on_error)
1017 exit_program(1);
1018 return;
1019 }
1020
1021 enc = ost->st->codec;
1022
1023 if (!subtitle_out) {
1024 subtitle_out = av_malloc(subtitle_out_max_size);
1025 }
1026
1027 /* Note: DVB subtitle need one packet to draw them and one other
1028 packet to clear them */
1029 /* XXX: signal it in the codec context ? */
1030 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1031 nb = 2;
1032 else
1033 nb = 1;
1034
1035 for(i = 0; i < nb; i++) {
1036 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1037 // start_display_time is required to be 0
1038 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1039 sub->end_display_time -= sub->start_display_time;
1040 sub->start_display_time = 0;
1041 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1042 subtitle_out_max_size, sub);
1043 if (subtitle_out_size < 0) {
1044 fprintf(stderr, "Subtitle encoding failed\n");
1045 exit_program(1);
1046 }
1047
1048 av_init_packet(&pkt);
1049 pkt.stream_index = ost->index;
1050 pkt.data = subtitle_out;
1051 pkt.size = subtitle_out_size;
1052 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1053 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1054 /* XXX: the pts correction is handled here. Maybe handling
1055 it in the codec would be better */
1056 if (i == 0)
1057 pkt.pts += 90 * sub->start_display_time;
1058 else
1059 pkt.pts += 90 * sub->end_display_time;
1060 }
1061 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1062 }
1063}
1064
1065static int bit_buffer_size= 1024*256;
1066static uint8_t *bit_buffer= NULL;
1067
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1068static void do_video_resample(OutputStream *ost,
1069 InputStream *ist,
1070 AVFrame *in_picture,
1071 AVFrame **out_picture)
6291d7e4 1072{
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1073 int resample_changed = 0;
1074 AVCodecContext *dec = ist->st->codec;
1075 *out_picture = in_picture;
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1076
1077 resample_changed = ost->resample_width != dec->width ||
1078 ost->resample_height != dec->height ||
1079 ost->resample_pix_fmt != dec->pix_fmt;
1080
1081 if (resample_changed) {
1082 av_log(NULL, AV_LOG_INFO,
1083 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1084 ist->file_index, ist->st->index,
1085 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1086 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1087 if(!ost->video_resample)
5c59fa56 1088 ost->video_resample = 1;
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1089 }
1090
1091#if !CONFIG_AVFILTER
1092 if (ost->video_resample) {
87ef060c 1093 *out_picture = &ost->pict_tmp;
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1094 if (resample_changed) {
1095 /* initialize a new scaler context */
1096 sws_freeContext(ost->img_resample_ctx);
1097 ost->img_resample_ctx = sws_getContext(
1098 ist->st->codec->width,
1099 ist->st->codec->height,
1100 ist->st->codec->pix_fmt,
1101 ost->st->codec->width,
1102 ost->st->codec->height,
1103 ost->st->codec->pix_fmt,
1104 ost->sws_flags, NULL, NULL, NULL);
1105 if (ost->img_resample_ctx == NULL) {
1106 fprintf(stderr, "Cannot get resampling context\n");
1107 exit_program(1);
1108 }
1109 }
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1110 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1111 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
6291d7e4 1112 }
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1113#else
1114 if (resample_changed) {
1115 avfilter_graph_free(&ost->graph);
1116 if (configure_video_filters(ist, ost)) {
bb337b4f 1117 fprintf(stderr, "Error reinitializing filters!\n");
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1118 exit_program(1);
1119 }
1120 }
6291d7e4 1121#endif
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1122 if (resample_changed) {
1123 ost->resample_width = dec->width;
1124 ost->resample_height = dec->height;
1125 ost->resample_pix_fmt = dec->pix_fmt;
1126 }
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1127}
1128
1129
1130static void do_video_out(AVFormatContext *s,
1131 OutputStream *ost,
1132 InputStream *ist,
1133 AVFrame *in_picture,
1134 int *frame_size, float quality)
1135{
553735f5 1136 int nb_frames, i, ret, format_video_sync;
87ef060c 1137 AVFrame *final_picture;
f593628e 1138 AVCodecContext *enc;
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1139 double sync_ipts;
1140
1141 enc = ost->st->codec;
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1142
1143 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1144
1145 /* by default, we output a single frame */
1146 nb_frames = 1;
1147
1148 *frame_size = 0;
1149
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1150 format_video_sync = video_sync_method;
1151 if (format_video_sync < 0)
1152 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1153
1154 if (format_video_sync) {
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1155 double vdelta = sync_ipts - ost->sync_opts;
1156 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1157 if (vdelta < -1.1)
1158 nb_frames = 0;
553735f5 1159 else if (format_video_sync == 2) {
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1160 if(vdelta<=-0.6){
1161 nb_frames=0;
1162 }else if(vdelta>0.6)
1163 ost->sync_opts= lrintf(sync_ipts);
1164 }else if (vdelta > 1.1)
1165 nb_frames = lrintf(vdelta);
1166//fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
1167 if (nb_frames == 0){
1168 ++nb_frames_drop;
1169 if (verbose>2)
1170 fprintf(stderr, "*** drop!\n");
1171 }else if (nb_frames > 1) {
1172 nb_frames_dup += nb_frames - 1;
1173 if (verbose>2)
1174 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1175 }
1176 }else
1177 ost->sync_opts= lrintf(sync_ipts);
1178
96139b5e 1179 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
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1180 if (nb_frames <= 0)
1181 return;
1182
1183 do_video_resample(ost, ist, in_picture, &final_picture);
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1184
1185 /* duplicates frame if needed */
1186 for(i=0;i<nb_frames;i++) {
1187 AVPacket pkt;
1188 av_init_packet(&pkt);
1189 pkt.stream_index= ost->index;
1190
1191 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1192 /* raw pictures are written as AVPicture structure to
bb337b4f 1193 avoid any copies. We support temporarily the older
6291d7e4 1194 method. */
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AC
1195 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1196 enc->coded_frame->top_field_first = in_picture->top_field_first;
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1197 pkt.data= (uint8_t *)final_picture;
1198 pkt.size= sizeof(AVPicture);
1199 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1200 pkt.flags |= AV_PKT_FLAG_KEY;
1201
1202 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
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1203 } else {
1204 AVFrame big_picture;
1205
1206 big_picture= *final_picture;
1207 /* better than nothing: use input picture interlaced
1208 settings */
1209 big_picture.interlaced_frame = in_picture->interlaced_frame;
1210 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
828e0bcb 1211 if (ost->top_field_first == -1)
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1212 big_picture.top_field_first = in_picture->top_field_first;
1213 else
828e0bcb 1214 big_picture.top_field_first = !!ost->top_field_first;
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1215 }
1216
f4ad238c 1217 /* handles same_quant here. This is not correct because it may
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1218 not be a global option */
1219 big_picture.quality = quality;
d242d80e 1220 if (!enc->me_threshold)
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1221 big_picture.pict_type = 0;
1222// big_picture.pts = AV_NOPTS_VALUE;
1223 big_picture.pts= ost->sync_opts;
1224// big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1225//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1226 if (ost->forced_kf_index < ost->forced_kf_count &&
1227 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1228 big_picture.pict_type = AV_PICTURE_TYPE_I;
1229 ost->forced_kf_index++;
1230 }
1231 ret = avcodec_encode_video(enc,
1232 bit_buffer, bit_buffer_size,
1233 &big_picture);
1234 if (ret < 0) {
1235 fprintf(stderr, "Video encoding failed\n");
1236 exit_program(1);
1237 }
1238
1239 if(ret>0){
1240 pkt.data= bit_buffer;
1241 pkt.size= ret;
1242 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1243 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1244/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1245 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1246 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1247
1248 if(enc->coded_frame->key_frame)
1249 pkt.flags |= AV_PKT_FLAG_KEY;
1250 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1251 *frame_size = ret;
1252 video_size += ret;
1253 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1254 // enc->frame_number-1, ret, enc->pict_type);
1255 /* if two pass, output log */
1256 if (ost->logfile && enc->stats_out) {
1257 fprintf(ost->logfile, "%s", enc->stats_out);
1258 }
1259 }
1260 }
1261 ost->sync_opts++;
1262 ost->frame_number++;
1263 }
1264}
1265
1266static double psnr(double d){
1267 return -10.0*log(d)/log(10.0);
1268}
1269
1270static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1271 int frame_size)
1272{
1273 AVCodecContext *enc;
1274 int frame_number;
1275 double ti1, bitrate, avg_bitrate;
1276
1277 /* this is executed just the first time do_video_stats is called */
1278 if (!vstats_file) {
1279 vstats_file = fopen(vstats_filename, "w");
1280 if (!vstats_file) {
1281 perror("fopen");
1282 exit_program(1);
1283 }
1284 }
1285
1286 enc = ost->st->codec;
1287 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1288 frame_number = ost->frame_number;
1289 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1290 if (enc->flags&CODEC_FLAG_PSNR)
1291 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1292
1293 fprintf(vstats_file,"f_size= %6d ", frame_size);
1294 /* compute pts value */
1295 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1296 if (ti1 < 0.01)
1297 ti1 = 0.01;
1298
1299 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1300 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1301 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1302 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1303 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1304 }
1305}
1306
af70aa45 1307static void print_report(OutputFile *output_files,
4288e031 1308 OutputStream *ost_table, int nb_ostreams,
c5ad2c2c 1309 int is_last_report, int64_t timer_start)
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1310{
1311 char buf[1024];
1312 OutputStream *ost;
1313 AVFormatContext *oc;
1314 int64_t total_size;
1315 AVCodecContext *enc;
1316 int frame_number, vid, i;
1317 double bitrate, ti1, pts;
1318 static int64_t last_time = -1;
1319 static int qp_histogram[52];
1320
1321 if (!is_last_report) {
1322 int64_t cur_time;
1323 /* display the report every 0.5 seconds */
1324 cur_time = av_gettime();
1325 if (last_time == -1) {
1326 last_time = cur_time;
1327 return;
1328 }
1329 if ((cur_time - last_time) < 500000)
1330 return;
1331 last_time = cur_time;
1332 }
1333
1334
af70aa45 1335 oc = output_files[0].ctx;
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1336
1337 total_size = avio_size(oc->pb);
1338 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1339 total_size= avio_tell(oc->pb);
1340
1341 buf[0] = '\0';
1342 ti1 = 1e10;
1343 vid = 0;
1344 for(i=0;i<nb_ostreams;i++) {
1345 float q = -1;
4288e031 1346 ost = &ost_table[i];
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1347 enc = ost->st->codec;
1348 if (!ost->st->stream_copy && enc->coded_frame)
1349 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1350 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1351 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1352 }
1353 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1354 float t = (av_gettime()-timer_start) / 1000000.0;
1355
1356 frame_number = ost->frame_number;
1357 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1358 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1359 if(is_last_report)
1360 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1361 if(qp_hist){
1362 int j;
1363 int qp = lrintf(q);
1364 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1365 qp_histogram[qp]++;
1366 for(j=0; j<32; j++)
1367 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1368 }
1369 if (enc->flags&CODEC_FLAG_PSNR){
1370 int j;
1371 double error, error_sum=0;
1372 double scale, scale_sum=0;
1373 char type[3]= {'Y','U','V'};
1374 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1375 for(j=0; j<3; j++){
1376 if(is_last_report){
1377 error= enc->error[j];
1378 scale= enc->width*enc->height*255.0*255.0*frame_number;
1379 }else{
1380 error= enc->coded_frame->error[j];
1381 scale= enc->width*enc->height*255.0*255.0;
1382 }
1383 if(j) scale/=4;
1384 error_sum += error;
1385 scale_sum += scale;
1386 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1387 }
1388 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1389 }
1390 vid = 1;
1391 }
1392 /* compute min output value */
1393 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1394 if ((pts < ti1) && (pts > 0))
1395 ti1 = pts;
1396 }
1397 if (ti1 < 0.01)
1398 ti1 = 0.01;
1399
1400 if (verbose > 0 || is_last_report) {
1401 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1402
1403 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1404 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1405 (double)total_size / 1024, ti1, bitrate);
1406
1407 if (nb_frames_dup || nb_frames_drop)
1408 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1409 nb_frames_dup, nb_frames_drop);
1410
1411 if (verbose >= 0)
1412 fprintf(stderr, "%s \r", buf);
1413
1414 fflush(stderr);
1415 }
1416
1417 if (is_last_report && verbose >= 0){
1418 int64_t raw= audio_size + video_size + extra_size;
1419 fprintf(stderr, "\n");
1420 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1421 video_size/1024.0,
1422 audio_size/1024.0,
1423 extra_size/1024.0,
1424 100.0*(total_size - raw)/raw
1425 );
1426 }
1427}
1428
1429static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1430{
1431 int fill_char = 0x00;
1432 if (sample_fmt == AV_SAMPLE_FMT_U8)
1433 fill_char = 0x80;
1434 memset(buf, fill_char, size);
1435}
1436
b62b5cb6 1437static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
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1438{
1439 int i, ret;
1440
1441 for (i = 0; i < nb_ostreams; i++) {
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1442 OutputStream *ost = &ost_table[i];
1443 AVCodecContext *enc = ost->st->codec;
1444 AVFormatContext *os = output_files[ost->file_index].ctx;
1445
b62b5cb6 1446 if (!ost->encoding_needed)
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1447 continue;
1448
1449 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1450 continue;
1451 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1452 continue;
1453
1454 for(;;) {
1455 AVPacket pkt;
1456 int fifo_bytes;
1457 av_init_packet(&pkt);
1458 pkt.stream_index= ost->index;
1459
1460 switch (ost->st->codec->codec_type) {
1461 case AVMEDIA_TYPE_AUDIO:
1462 fifo_bytes = av_fifo_size(ost->fifo);
1463 ret = 0;
1464 /* encode any samples remaining in fifo */
1465 if (fifo_bytes > 0) {
1466 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1467 int fs_tmp = enc->frame_size;
1468
1469 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1470 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1471 enc->frame_size = fifo_bytes / (osize * enc->channels);
1472 } else { /* pad */
1473 int frame_bytes = enc->frame_size*osize*enc->channels;
1474 if (allocated_audio_buf_size < frame_bytes)
4a4ce2e7 1475 exit_program(1);
6f1c66d5 1476 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
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1477 }
1478
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1479 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1480 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1481 ost->st->time_base.num, enc->sample_rate);
1482 enc->frame_size = fs_tmp;
1483 }
1484 if (ret <= 0) {
1485 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
4a4ce2e7 1486 }
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1487 if (ret < 0) {
1488 fprintf(stderr, "Audio encoding failed\n");
1489 exit_program(1);
1490 }
1491 audio_size += ret;
1492 pkt.flags |= AV_PKT_FLAG_KEY;
1493 break;
1494 case AVMEDIA_TYPE_VIDEO:
1495 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1496 if (ret < 0) {
1497 fprintf(stderr, "Video encoding failed\n");
1498 exit_program(1);
1499 }
1500 video_size += ret;
1501 if(enc->coded_frame && enc->coded_frame->key_frame)
1502 pkt.flags |= AV_PKT_FLAG_KEY;
1503 if (ost->logfile && enc->stats_out) {
1504 fprintf(ost->logfile, "%s", enc->stats_out);
1505 }
1506 break;
1507 default:
1508 ret=-1;
4a4ce2e7 1509 }
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1510
1511 if (ret <= 0)
1512 break;
1513 pkt.data = bit_buffer;
1514 pkt.size = ret;
1515 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1516 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1517 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
4a4ce2e7
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1518 }
1519 }
1520}
1521
6291d7e4
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1522/* pkt = NULL means EOF (needed to flush decoder buffers) */
1523static int output_packet(InputStream *ist, int ist_index,
4288e031 1524 OutputStream *ost_table, int nb_ostreams,
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1525 const AVPacket *pkt)
1526{
1527 AVFormatContext *os;
1528 OutputStream *ost;
1529 int ret, i;
1530 int got_output;
1531 AVFrame picture;
1532 void *buffer_to_free = NULL;
1533 static unsigned int samples_size= 0;
1534 AVSubtitle subtitle, *subtitle_to_free;
1535 int64_t pkt_pts = AV_NOPTS_VALUE;
1536#if CONFIG_AVFILTER
1537 int frame_available;
1538#endif
1539 float quality;
1540
1541 AVPacket avpkt;
1542 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1543
1544 if(ist->next_pts == AV_NOPTS_VALUE)
1545 ist->next_pts= ist->pts;
1546
1547 if (pkt == NULL) {
1548 /* EOF handling */
1549 av_init_packet(&avpkt);
1550 avpkt.data = NULL;
1551 avpkt.size = 0;
1552 goto handle_eof;
1553 } else {
1554 avpkt = *pkt;
1555 }
1556
1557 if(pkt->dts != AV_NOPTS_VALUE)
1558 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1559 if(pkt->pts != AV_NOPTS_VALUE)
1560 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1561
1562 //while we have more to decode or while the decoder did output something on EOF
1563 while (avpkt.size > 0 || (!pkt && got_output)) {
1564 uint8_t *data_buf, *decoded_data_buf;
1565 int data_size, decoded_data_size;
1566 handle_eof:
1567 ist->pts= ist->next_pts;
1568
1569 if(avpkt.size && avpkt.size != pkt->size &&
1570 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1571 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1572 ist->showed_multi_packet_warning=1;
1573 }
1574
1575 /* decode the packet if needed */
1576 decoded_data_buf = NULL; /* fail safe */
1577 decoded_data_size= 0;
1578 data_buf = avpkt.data;
1579 data_size = avpkt.size;
1580 subtitle_to_free = NULL;
1581 if (ist->decoding_needed) {
1582 switch(ist->st->codec->codec_type) {
1583 case AVMEDIA_TYPE_AUDIO:{
1584 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1585 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1586 av_free(samples);
1587 samples= av_malloc(samples_size);
1588 }
1589 decoded_data_size= samples_size;
1590 /* XXX: could avoid copy if PCM 16 bits with same
1591 endianness as CPU */
1592 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1593 &avpkt);
1594 if (ret < 0)
1595 return ret;
1596 avpkt.data += ret;
1597 avpkt.size -= ret;
1598 data_size = ret;
1599 got_output = decoded_data_size > 0;
1600 /* Some bug in mpeg audio decoder gives */
1601 /* decoded_data_size < 0, it seems they are overflows */
1602 if (!got_output) {
1603 /* no audio frame */
1604 continue;
1605 }
1606 decoded_data_buf = (uint8_t *)samples;
1607 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1608 (ist->st->codec->sample_rate * ist->st->codec->channels);
1609 break;}
1610 case AVMEDIA_TYPE_VIDEO:
1611 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1612 /* XXX: allocate picture correctly */
1613 avcodec_get_frame_defaults(&picture);
1614 avpkt.pts = pkt_pts;
1615 avpkt.dts = ist->pts;
1616 pkt_pts = AV_NOPTS_VALUE;
1617
1618 ret = avcodec_decode_video2(ist->st->codec,
1619 &picture, &got_output, &avpkt);
f4ad238c 1620 quality = same_quant ? picture.quality : 0;
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1621 if (ret < 0)
1622 return ret;
1623 if (!got_output) {
1624 /* no picture yet */
1625 goto discard_packet;
1626 }
1627 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1628 if (ist->st->codec->time_base.num != 0) {
1629 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1630 ist->next_pts += ((int64_t)AV_TIME_BASE *
1631 ist->st->codec->time_base.num * ticks) /
1632 ist->st->codec->time_base.den;
1633 }
1634 avpkt.size = 0;
1635 buffer_to_free = NULL;
1636 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1637 break;
1638 case AVMEDIA_TYPE_SUBTITLE:
1639 ret = avcodec_decode_subtitle2(ist->st->codec,
1640 &subtitle, &got_output, &avpkt);
1641 if (ret < 0)
1642 return ret;
1643 if (!got_output) {
1644 goto discard_packet;
1645 }
1646 subtitle_to_free = &subtitle;
1647 avpkt.size = 0;
1648 break;
1649 default:
1650 return -1;
1651 }
1652 } else {
1653 switch(ist->st->codec->codec_type) {
1654 case AVMEDIA_TYPE_AUDIO:
1655 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1656 ist->st->codec->sample_rate;
1657 break;
1658 case AVMEDIA_TYPE_VIDEO:
1659 if (ist->st->codec->time_base.num != 0) {
1660 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1661 ist->next_pts += ((int64_t)AV_TIME_BASE *
1662 ist->st->codec->time_base.num * ticks) /
1663 ist->st->codec->time_base.den;
1664 }
1665 break;
1666 }
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1667 avpkt.size = 0;
1668 }
1669
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1670 // preprocess audio (volume)
1671 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1672 if (audio_volume != 256) {
1673 short *volp;
1674 volp = samples;
1675 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1676 int v = ((*volp) * audio_volume + 128) >> 8;
6c7ee2f7 1677 *volp++ = av_clip_int16(v);
6291d7e4
AK
1678 }
1679 }
1680 }
1681
1682 /* frame rate emulation */
f4805328 1683 if (input_files[ist->file_index].rate_emu) {
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1684 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1685 int64_t now = av_gettime() - ist->start;
1686 if (pts > now)
1687 usleep(pts - now);
1688 }
1689 /* if output time reached then transcode raw format,
1690 encode packets and output them */
ea065176 1691 for (i = 0; i < nb_ostreams; i++) {
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1692 OutputFile *of = &output_files[ost_table[i].file_index];
1693 int frame_size;
6291d7e4 1694
45f86128
AK
1695 ost = &ost_table[i];
1696 if (ost->source_index != ist_index)
1697 continue;
f1176d41 1698
45f86128
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1699 if (of->start_time && ist->pts < of->start_time)
1700 continue;
ea065176 1701
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1702 if (of->recording_time != INT64_MAX &&
1703 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1704 (AVRational){1, 1000000}) >= 0) {
1705 ost->is_past_recording_time = 1;
1706 continue;
1707 }
ef44a607 1708
6291d7e4 1709#if CONFIG_AVFILTER
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1710 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1711 ost->input_video_filter) {
1712 AVRational sar;
1713 if (ist->st->sample_aspect_ratio.num)
1714 sar = ist->st->sample_aspect_ratio;
1715 else
1716 sar = ist->st->codec->sample_aspect_ratio;
1717 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1718 }
1719 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1720 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1721 while (frame_available) {
1722 AVRational ist_pts_tb;
1723 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1724 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1725 if (ost->picref)
1726 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
6291d7e4 1727#endif
45f86128
AK
1728 os = output_files[ost->file_index].ctx;
1729
1730 /* set the input output pts pairs */
1731 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1732
1733 if (ost->encoding_needed) {
1734 av_assert0(ist->decoding_needed);
1735 switch(ost->st->codec->codec_type) {
1736 case AVMEDIA_TYPE_AUDIO:
1737 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1738 break;
1739 case AVMEDIA_TYPE_VIDEO:
6291d7e4 1740#if CONFIG_AVFILTER
45f86128
AK
1741 if (ost->picref->video && !ost->frame_aspect_ratio)
1742 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
6291d7e4 1743#endif
45f86128
AK
1744 do_video_out(os, ost, ist, &picture, &frame_size,
1745 same_quant ? quality : ost->st->codec->global_quality);
1746 if (vstats_filename && frame_size)
1747 do_video_stats(os, ost, frame_size);
1748 break;
1749 case AVMEDIA_TYPE_SUBTITLE:
1750 do_subtitle_out(os, ost, ist, &subtitle,
1751 pkt->pts);
1752 break;
1753 default:
1754 abort();
1755 }
1756 } else {
1757 AVFrame avframe; //FIXME/XXX remove this
1758 AVPacket opkt;
1759 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
6291d7e4 1760
45f86128 1761 av_init_packet(&opkt);
6291d7e4 1762
45f86128 1763 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
6291d7e4 1764#if !CONFIG_AVFILTER
45f86128 1765 continue;
6291d7e4 1766#else
45f86128 1767 goto cont;
6291d7e4
AK
1768#endif
1769
45f86128
AK
1770 /* no reencoding needed : output the packet directly */
1771 /* force the input stream PTS */
1772
1773 avcodec_get_frame_defaults(&avframe);
1774 ost->st->codec->coded_frame= &avframe;
1775 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1776
1777 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1778 audio_size += data_size;
1779 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1780 video_size += data_size;
1781 ost->sync_opts++;
6291d7e4 1782 }
45f86128
AK
1783
1784 opkt.stream_index= ost->index;
1785 if(pkt->pts != AV_NOPTS_VALUE)
1786 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1787 else
1788 opkt.pts= AV_NOPTS_VALUE;
1789
1790 if (pkt->dts == AV_NOPTS_VALUE)
1791 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1792 else
1793 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1794 opkt.dts -= ost_tb_start_time;
1795
1796 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1797 opkt.flags= pkt->flags;
1798
1799 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1800 if( ost->st->codec->codec_id != CODEC_ID_H264
1801 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1802 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1803 ) {
1804 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1805 opkt.destruct= av_destruct_packet;
1806 } else {
1807 opkt.data = data_buf;
1808 opkt.size = data_size;
1809 }
1810
1811 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1812 ost->st->codec->frame_number++;
1813 ost->frame_number++;
1814 av_free_packet(&opkt);
6291d7e4 1815 }
45f86128
AK
1816#if CONFIG_AVFILTER
1817 cont:
1818 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1819 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1820 if (ost->picref)
1821 avfilter_unref_buffer(ost->picref);
1822 }
6291d7e4 1823#endif
6291d7e4
AK
1824 }
1825
1826 av_free(buffer_to_free);
1827 /* XXX: allocate the subtitles in the codec ? */
1828 if (subtitle_to_free) {
1829 avsubtitle_free(subtitle_to_free);
1830 subtitle_to_free = NULL;
1831 }
1832 }
1833 discard_packet:
6291d7e4
AK
1834
1835 return 0;
1836}
1837
af70aa45 1838static void print_sdp(OutputFile *output_files, int n)
6291d7e4
AK
1839{
1840 char sdp[2048];
af70aa45
AK
1841 int i;
1842 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1843
1844 if (!avc)
1845 exit_program(1);
1846 for (i = 0; i < n; i++)
1847 avc[i] = output_files[i].ctx;
6291d7e4
AK
1848
1849 av_sdp_create(avc, n, sdp, sizeof(sdp));
1850 printf("SDP:\n%s\n", sdp);
1851 fflush(stdout);
af70aa45 1852 av_freep(&avc);
6291d7e4
AK
1853}
1854
630902a1
AK
1855static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1856 char *error, int error_len)
1857{
1858 int i;
1859 InputStream *ist = &input_streams[ist_index];
1860 if (ist->decoding_needed) {
1861 AVCodec *codec = ist->dec;
630902a1 1862 if (!codec) {
62486948 1863 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d.%d",
630902a1
AK
1864 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1865 return AVERROR(EINVAL);
1866 }
1867
1868 /* update requested sample format for the decoder based on the
1869 corresponding encoder sample format */
1870 for (i = 0; i < nb_output_streams; i++) {
1871 OutputStream *ost = &output_streams[i];
1872 if (ost->source_index == ist_index) {
1873 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1874 break;
1875 }
1876 }
1877
1878 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
62486948 1879 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
630902a1
AK
1880 ist->file_index, ist->st->index);
1881 return AVERROR(EINVAL);
1882 }
1883 assert_codec_experimental(ist->st->codec, 0);
1884 assert_avoptions(ist->opts);
1885 }
1886
1887 ist->pts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames*AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
1888 ist->next_pts = AV_NOPTS_VALUE;
1889 init_pts_correction(&ist->pts_ctx);
1890 ist->is_start = 1;
1891
1892 return 0;
1893}
1894
eaf2d37a
AC
1895static int transcode_init(OutputFile *output_files,
1896 int nb_output_files,
1897 InputFile *input_files,
1898 int nb_input_files)
6291d7e4 1899{
2c474ddb 1900 int ret = 0, i, j, k;
eaf2d37a 1901 AVFormatContext *os;
6291d7e4 1902 AVCodecContext *codec, *icodec;
4288e031 1903 OutputStream *ost;
6291d7e4
AK
1904 InputStream *ist;
1905 char error[1024];
1906 int want_sdp = 1;
b0c9e8e0 1907
f4805328
AK
1908 /* init framerate emulation */
1909 for (i = 0; i < nb_input_files; i++) {
1910 InputFile *ifile = &input_files[i];
1911 if (ifile->rate_emu)
1912 for (j = 0; j < ifile->nb_streams; j++)
1913 input_streams[j + ifile->ist_index].start = av_gettime();
1914 }
6291d7e4
AK
1915
1916 /* output stream init */
6291d7e4 1917 for(i=0;i<nb_output_files;i++) {
af70aa45 1918 os = output_files[i].ctx;
6291d7e4 1919 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
af70aa45 1920 av_dump_format(os, i, os->filename, 1);
6291d7e4 1921 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
eaf2d37a 1922 return AVERROR(EINVAL);
6291d7e4 1923 }
6291d7e4
AK
1924 }
1925
1926 /* for each output stream, we compute the right encoding parameters */
4288e031
AK
1927 for (i = 0; i < nb_output_streams; i++) {
1928 ost = &output_streams[i];
af70aa45 1929 os = output_files[ost->file_index].ctx;
6291d7e4
AK
1930 ist = &input_streams[ost->source_index];
1931
1932 codec = ost->st->codec;
1933 icodec = ist->st->codec;
1934
6291d7e4
AK
1935 ost->st->disposition = ist->st->disposition;
1936 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1937 codec->chroma_sample_location = icodec->chroma_sample_location;
1938
1939 if (ost->st->stream_copy) {
1940 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1941
e6d2b737 1942 if (extra_size > INT_MAX) {
eaf2d37a 1943 return AVERROR(EINVAL);
e6d2b737 1944 }
6291d7e4
AK
1945
1946 /* if stream_copy is selected, no need to decode or encode */
1947 codec->codec_id = icodec->codec_id;
1948 codec->codec_type = icodec->codec_type;
1949
1950 if(!codec->codec_tag){
1951 if( !os->oformat->codec_tag
1952 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1953 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1954 codec->codec_tag = icodec->codec_tag;
1955 }
1956
1957 codec->bit_rate = icodec->bit_rate;
1958 codec->rc_max_rate = icodec->rc_max_rate;
1959 codec->rc_buffer_size = icodec->rc_buffer_size;
1960 codec->extradata= av_mallocz(extra_size);
e6d2b737 1961 if (!codec->extradata) {
eaf2d37a 1962 return AVERROR(ENOMEM);
e6d2b737 1963 }
6291d7e4
AK
1964 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1965 codec->extradata_size= icodec->extradata_size;
1966 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){
1967 codec->time_base = icodec->time_base;
1968 codec->time_base.num *= icodec->ticks_per_frame;
1969 av_reduce(&codec->time_base.num, &codec->time_base.den,
1970 codec->time_base.num, codec->time_base.den, INT_MAX);
1971 }else
1972 codec->time_base = ist->st->time_base;
1973 switch(codec->codec_type) {
1974 case AVMEDIA_TYPE_AUDIO:
1975 if(audio_volume != 256) {
1976 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1977 exit_program(1);
1978 }
1979 codec->channel_layout = icodec->channel_layout;
1980 codec->sample_rate = icodec->sample_rate;
1981 codec->channels = icodec->channels;
1982 codec->frame_size = icodec->frame_size;
1983 codec->audio_service_type = icodec->audio_service_type;
1984 codec->block_align= icodec->block_align;
1985 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1986 codec->block_align= 0;
1987 if(codec->codec_id == CODEC_ID_AC3)
1988 codec->block_align= 0;
1989 break;
1990 case AVMEDIA_TYPE_VIDEO:
1991 codec->pix_fmt = icodec->pix_fmt;
1992 codec->width = icodec->width;
1993 codec->height = icodec->height;
1994 codec->has_b_frames = icodec->has_b_frames;
1995 if (!codec->sample_aspect_ratio.num) {
1996 codec->sample_aspect_ratio =
1997 ost->st->sample_aspect_ratio =
1998 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1999 ist->st->codec->sample_aspect_ratio.num ?
2000 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2001 }
2002 break;
2003 case AVMEDIA_TYPE_SUBTITLE:
2004 codec->width = icodec->width;
2005 codec->height = icodec->height;
2006 break;
2007 case AVMEDIA_TYPE_DATA:
2008 break;
2009 default:
2010 abort();
2011 }
2012 } else {
2013 if (!ost->enc)
2014 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2015 switch(codec->codec_type) {
2016 case AVMEDIA_TYPE_AUDIO:
2017 ost->fifo= av_fifo_alloc(1024);
e6d2b737 2018 if (!ost->fifo) {
eaf2d37a 2019 return AVERROR(ENOMEM);
e6d2b737 2020 }
6291d7e4
AK
2021 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2022 if (!codec->sample_rate) {
2023 codec->sample_rate = icodec->sample_rate;
2024 if (icodec->lowres)
2025 codec->sample_rate >>= icodec->lowres;
2026 }
2027 choose_sample_rate(ost->st, ost->enc);
2028 codec->time_base = (AVRational){1, codec->sample_rate};
2029 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2030 codec->sample_fmt = icodec->sample_fmt;
2031 choose_sample_fmt(ost->st, ost->enc);
2032 if (!codec->channels)
2033 codec->channels = icodec->channels;
2034 codec->channel_layout = icodec->channel_layout;
2035 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2036 codec->channel_layout = 0;
2037 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2038 icodec->request_channels = codec->channels;
2039 ist->decoding_needed = 1;
2040 ost->encoding_needed = 1;
2041 ost->resample_sample_fmt = icodec->sample_fmt;
2042 ost->resample_sample_rate = icodec->sample_rate;
2043 ost->resample_channels = icodec->channels;
2044 break;
2045 case AVMEDIA_TYPE_VIDEO:
2046 if (codec->pix_fmt == PIX_FMT_NONE)
2047 codec->pix_fmt = icodec->pix_fmt;
2048 choose_pixel_fmt(ost->st, ost->enc);
2049
2050 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2051 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2052 exit_program(1);
2053 }
2054
2055 if (!codec->width || !codec->height) {
2056 codec->width = icodec->width;
2057 codec->height = icodec->height;
2058 }
2059
2060 ost->video_resample = codec->width != icodec->width ||
2061 codec->height != icodec->height ||
2062 codec->pix_fmt != icodec->pix_fmt;
2063 if (ost->video_resample) {
2064#if !CONFIG_AVFILTER
2065 avcodec_get_frame_defaults(&ost->pict_tmp);
2066 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2067 codec->width, codec->height)) {
2068 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2069 exit_program(1);
2070 }
2071 ost->img_resample_ctx = sws_getContext(
2072 icodec->width,
2073 icodec->height,
2074 icodec->pix_fmt,
2075 codec->width,
2076 codec->height,
2077 codec->pix_fmt,
2078 ost->sws_flags, NULL, NULL, NULL);
2079 if (ost->img_resample_ctx == NULL) {
2080 fprintf(stderr, "Cannot get resampling context\n");
2081 exit_program(1);
2082 }
2083#endif
2084 codec->bits_per_raw_sample= 0;
2085 }
2086
2087 ost->resample_height = icodec->height;
2088 ost->resample_width = icodec->width;
2089 ost->resample_pix_fmt= icodec->pix_fmt;
2090 ost->encoding_needed = 1;
2091 ist->decoding_needed = 1;
2092
2093 if (!ost->frame_rate.num)
2094 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
bef737a7 2095 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
6291d7e4
AK
2096 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2097 ost->frame_rate = ost->enc->supported_framerates[idx];
2098 }
2099 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2100
2101#if CONFIG_AVFILTER
2102 if (configure_video_filters(ist, ost)) {
2103 fprintf(stderr, "Error opening filters!\n");
2104 exit(1);
2105 }
2106#endif
2107 break;
2108 case AVMEDIA_TYPE_SUBTITLE:
2109 ost->encoding_needed = 1;
2110 ist->decoding_needed = 1;
2111 break;
2112 default:
2113 abort();
2114 break;
2115 }
2116 /* two pass mode */
2117 if (ost->encoding_needed &&
2118 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2119 char logfilename[1024];
2120 FILE *f;
2121
2122 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2123 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2124 i);
2125 if (codec->flags & CODEC_FLAG_PASS1) {
2126 f = fopen(logfilename, "wb");
2127 if (!f) {
2128 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2129 exit_program(1);
2130 }
2131 ost->logfile = f;
2132 } else {
2133 char *logbuffer;
2134 size_t logbuffer_size;
2135 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2136 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2137 exit_program(1);
2138 }
2139 codec->stats_in = logbuffer;
2140 }
2141 }
2142 }
2143 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2144 int size= codec->width * codec->height;
2145 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2146 }
2147 }
2148
2149 if (!bit_buffer)
2150 bit_buffer = av_malloc(bit_buffer_size);
2151 if (!bit_buffer) {
2152 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2153 bit_buffer_size);
eaf2d37a 2154 return AVERROR(ENOMEM);
6291d7e4
AK
2155 }
2156
2157 /* open each encoder */
4288e031
AK
2158 for (i = 0; i < nb_output_streams; i++) {
2159 ost = &output_streams[i];
6291d7e4
AK
2160 if (ost->encoding_needed) {
2161 AVCodec *codec = ost->enc;
2162 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2163 if (!codec) {
2164 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2165 ost->st->codec->codec_id, ost->file_index, ost->index);
2166 ret = AVERROR(EINVAL);
2167 goto dump_format;
2168 }
2169 if (dec->subtitle_header) {
2170 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2171 if (!ost->st->codec->subtitle_header) {
2172 ret = AVERROR(ENOMEM);
2173 goto dump_format;
2174 }
2175 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2176 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2177 }
2178 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2179 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2180 ost->file_index, ost->index);
2181 ret = AVERROR(EINVAL);
2182 goto dump_format;
2183 }
2184 assert_codec_experimental(ost->st->codec, 1);
2185 assert_avoptions(ost->opts);
2186 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2187 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2188 "It takes bits/s as argument, not kbits/s\n");
2189 extra_size += ost->st->codec->extradata_size;
d242d80e
AK
2190
2191 if (ost->st->codec->me_threshold)
2192 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
6291d7e4
AK
2193 }
2194 }
2195
630902a1
AK
2196 /* init input streams */
2197 for (i = 0; i < nb_input_streams; i++)
62486948 2198 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
630902a1 2199 goto dump_format;
6291d7e4 2200
2c474ddb
AK
2201 /* discard unused programs */
2202 for (i = 0; i < nb_input_files; i++) {
2203 InputFile *ifile = &input_files[i];
2204 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2205 AVProgram *p = ifile->ctx->programs[j];
2206 int discard = AVDISCARD_ALL;
2207
2208 for (k = 0; k < p->nb_stream_indexes; k++)
2209 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2210 discard = AVDISCARD_DEFAULT;
2211 break;
2212 }
2213 p->discard = discard;
2214 }
2215 }
2216
6291d7e4 2217 /* open files and write file headers */
af70aa45
AK
2218 for (i = 0; i < nb_output_files; i++) {
2219 os = output_files[i].ctx;
2220 if (avformat_write_header(os, &output_files[i].opts) < 0) {
6291d7e4
AK
2221 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2222 ret = AVERROR(EINVAL);
2223 goto dump_format;
2224 }
af70aa45
AK
2225 assert_avoptions(output_files[i].opts);
2226 if (strcmp(os->oformat->name, "rtp")) {
6291d7e4
AK
2227 want_sdp = 0;
2228 }
2229 }
2230
2231 dump_format:
2232 /* dump the file output parameters - cannot be done before in case
2233 of stream copy */
2234 for(i=0;i<nb_output_files;i++) {
af70aa45 2235 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
6291d7e4
AK
2236 }
2237
2238 /* dump the stream mapping */
2239 if (verbose >= 0) {
2240 fprintf(stderr, "Stream mapping:\n");
4288e031
AK
2241 for (i = 0; i < nb_output_streams;i ++) {
2242 ost = &output_streams[i];
6291d7e4
AK
2243 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2244 input_streams[ost->source_index].file_index,
2245 input_streams[ost->source_index].st->index,
2246 ost->file_index,
2247 ost->index);
2248 if (ost->sync_ist != &input_streams[ost->source_index])
2249 fprintf(stderr, " [sync #%d.%d]",
2250 ost->sync_ist->file_index,
2251 ost->sync_ist->st->index);
ad42126a
AK
2252 if (ost->st->stream_copy)
2253 fprintf(stderr, " (copy)");
bc8c5051
NG
2254 else
2255 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2256 input_streams[ost->source_index].dec->name : "?",
2257 ost->enc ? ost->enc->name : "?");
6291d7e4
AK
2258 fprintf(stderr, "\n");
2259 }
2260 }
2261
2262 if (ret) {
2263 fprintf(stderr, "%s\n", error);
eaf2d37a 2264 return ret;
6291d7e4
AK
2265 }
2266
2267 if (want_sdp) {
2268 print_sdp(output_files, nb_output_files);
2269 }
2270
eaf2d37a
AC
2271 return 0;
2272}
2273
2274/*
2275 * The following code is the main loop of the file converter
2276 */
2277static int transcode(OutputFile *output_files,
2278 int nb_output_files,
2279 InputFile *input_files,
2280 int nb_input_files)
2281{
2282 int ret, i;
2283 AVFormatContext *is, *os;
2284 OutputStream *ost;
2285 InputStream *ist;
2286 uint8_t *no_packet;
2287 int no_packet_count=0;
2288 int64_t timer_start;
2289
2290 if (!(no_packet = av_mallocz(nb_input_files)))
2291 exit_program(1);
2292
2293 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2294 if (ret < 0)
2295 goto fail;
2296
6291d7e4
AK
2297 if (verbose >= 0)
2298 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2299 term_init();
2300
2301 timer_start = av_gettime();
2302
2303 for(; received_sigterm == 0;) {
2304 int file_index, ist_index;
2305 AVPacket pkt;
9be3c124 2306 int64_t ipts_min;
6291d7e4
AK
2307 double opts_min;
2308
9be3c124 2309 ipts_min = INT64_MAX;
6291d7e4
AK
2310 opts_min= 1e100;
2311
2312 /* select the stream that we must read now by looking at the
2313 smallest output pts */
2314 file_index = -1;
4288e031 2315 for (i = 0; i < nb_output_streams; i++) {
f21f294e 2316 OutputFile *of;
9be3c124
AC
2317 int64_t ipts;
2318 double opts;
4288e031 2319 ost = &output_streams[i];
f21f294e 2320 of = &output_files[ost->file_index];
af70aa45 2321 os = output_files[ost->file_index].ctx;
6291d7e4 2322 ist = &input_streams[ost->source_index];
f21f294e
AK
2323 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2324 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
6291d7e4 2325 continue;
c0931508 2326 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
9be3c124 2327 ipts = ist->pts;
6291d7e4
AK
2328 if (!input_files[ist->file_index].eof_reached){
2329 if(ipts < ipts_min) {
2330 ipts_min = ipts;
2331 if(input_sync ) file_index = ist->file_index;
2332 }
2333 if(opts < opts_min) {
2334 opts_min = opts;
2335 if(!input_sync) file_index = ist->file_index;
2336 }
2337 }
96139b5e
AK
2338 if (ost->frame_number >= ost->max_frames) {
2339 int j;
2340 for (j = of->ost_index; j < of->ctx->nb_streams; j++)
2341 output_streams[j].is_past_recording_time = 1;
2342 continue;
6291d7e4
AK
2343 }
2344 }
2345 /* if none, if is finished */
2346 if (file_index < 0) {
2347 if(no_packet_count){
2348 no_packet_count=0;
b0c9e8e0 2349 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2350 usleep(10000);
2351 continue;
2352 }
2353 break;
2354 }
2355
6291d7e4
AK
2356 /* read a frame from it and output it in the fifo */
2357 is = input_files[file_index].ctx;
2358 ret= av_read_frame(is, &pkt);
2359 if(ret == AVERROR(EAGAIN)){
2360 no_packet[file_index]=1;
2361 no_packet_count++;
2362 continue;
2363 }
2364 if (ret < 0) {
2365 input_files[file_index].eof_reached = 1;
2366 if (opt_shortest)
2367 break;
2368 else
2369 continue;
2370 }
2371
2372 no_packet_count=0;
b0c9e8e0 2373 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2374
2375 if (do_pkt_dump) {
2376 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2377 is->streams[pkt.stream_index]);
2378 }
2379 /* the following test is needed in case new streams appear
2380 dynamically in stream : we ignore them */
ed5b1326 2381 if (pkt.stream_index >= input_files[file_index].nb_streams)
6291d7e4
AK
2382 goto discard_packet;
2383 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2384 ist = &input_streams[ist_index];
2385 if (ist->discard)
2386 goto discard_packet;
2387
2388 if (pkt.dts != AV_NOPTS_VALUE)
2389 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2390 if (pkt.pts != AV_NOPTS_VALUE)
2391 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2392
33f75d72
AK
2393 if(pkt.pts != AV_NOPTS_VALUE)
2394 pkt.pts *= ist->ts_scale;
2395 if(pkt.dts != AV_NOPTS_VALUE)
2396 pkt.dts *= ist->ts_scale;
6291d7e4
AK
2397
2398// 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);
2399 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2400 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2401 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2402 int64_t delta= pkt_dts - ist->next_pts;
2403 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2404 input_files[ist->file_index].ts_offset -= delta;
2405 if (verbose > 2)
2406 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2407 delta, input_files[ist->file_index].ts_offset);
2408 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2409 if(pkt.pts != AV_NOPTS_VALUE)
2410 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2411 }
2412 }
2413
6291d7e4 2414 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
4288e031 2415 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
6291d7e4
AK
2416
2417 if (verbose >= 0)
2418 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2419 ist->file_index, ist->st->index);
2420 if (exit_on_error)
2421 exit_program(1);
2422 av_free_packet(&pkt);
b9630bcf 2423 continue;
6291d7e4
AK
2424 }
2425
2426 discard_packet:
2427 av_free_packet(&pkt);
2428
2429 /* dump report by using the output first video and audio streams */
c5ad2c2c 2430 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
6291d7e4
AK
2431 }
2432
2433 /* at the end of stream, we must flush the decoder buffers */
2434 for (i = 0; i < nb_input_streams; i++) {
2435 ist = &input_streams[i];
2436 if (ist->decoding_needed) {
4288e031 2437 output_packet(ist, i, output_streams, nb_output_streams, NULL);
6291d7e4
AK
2438 }
2439 }
b62b5cb6 2440 flush_encoders(output_streams, nb_output_streams);
6291d7e4
AK
2441
2442 term_exit();
2443
2444 /* write the trailer if needed and close file */
2445 for(i=0;i<nb_output_files;i++) {
af70aa45 2446 os = output_files[i].ctx;
6291d7e4
AK
2447 av_write_trailer(os);
2448 }
2449
2450 /* dump report by using the first video and audio streams */
c5ad2c2c 2451 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
6291d7e4
AK
2452
2453 /* close each encoder */
4288e031
AK
2454 for (i = 0; i < nb_output_streams; i++) {
2455 ost = &output_streams[i];
6291d7e4
AK
2456 if (ost->encoding_needed) {
2457 av_freep(&ost->st->codec->stats_in);
2458 avcodec_close(ost->st->codec);
2459 }
2460#if CONFIG_AVFILTER
2461 avfilter_graph_free(&ost->graph);
2462#endif
2463 }
2464
2465 /* close each decoder */
2466 for (i = 0; i < nb_input_streams; i++) {
2467 ist = &input_streams[i];
2468 if (ist->decoding_needed) {
2469 avcodec_close(ist->st->codec);
2470 }
2471 }
2472
2473 /* finished ! */
2474 ret = 0;
2475
2476 fail:
2477 av_freep(&bit_buffer);
b0c9e8e0 2478 av_freep(&no_packet);
6291d7e4 2479
4288e031
AK
2480 if (output_streams) {
2481 for (i = 0; i < nb_output_streams; i++) {
2482 ost = &output_streams[i];
6291d7e4
AK
2483 if (ost) {
2484 if (ost->st->stream_copy)
2485 av_freep(&ost->st->codec->extradata);
2486 if (ost->logfile) {
2487 fclose(ost->logfile);
2488 ost->logfile = NULL;
2489 }
2490 av_fifo_free(ost->fifo); /* works even if fifo is not
2491 initialized but set to zero */
2492 av_freep(&ost->st->codec->subtitle_header);
2493 av_free(ost->pict_tmp.data[0]);
2494 av_free(ost->forced_kf_pts);
2495 if (ost->video_resample)
2496 sws_freeContext(ost->img_resample_ctx);
2497 if (ost->resample)
2498 audio_resample_close(ost->resample);
2499 if (ost->reformat_ctx)
2500 av_audio_convert_free(ost->reformat_ctx);
2501 av_dict_free(&ost->opts);
6291d7e4
AK
2502 }
2503 }
6291d7e4
AK
2504 }
2505 return ret;
2506}
2507
6291d7e4
AK
2508static int opt_verbose(const char *opt, const char *arg)
2509{
2510 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2511 return 0;
2512}
2513
ca46fde7 2514static double parse_frame_aspect_ratio(const char *arg)
6291d7e4
AK
2515{
2516 int x = 0, y = 0;
2517 double ar = 0;
2518 const char *p;
2519 char *end;
2520
2521 p = strchr(arg, ':');
2522 if (p) {
2523 x = strtol(arg, &end, 10);
2524 if (end == p)
2525 y = strtol(end+1, &end, 10);
2526 if (x > 0 && y > 0)
2527 ar = (double)x / (double)y;
2528 } else
2529 ar = strtod(arg, NULL);
2530
2531 if (!ar) {
2532 fprintf(stderr, "Incorrect aspect ratio specification.\n");
ca46fde7 2533 exit_program(1);
6291d7e4 2534 }
ca46fde7 2535 return ar;
6291d7e4
AK
2536}
2537
35e6f8c1 2538static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2539{
35e6f8c1 2540 return parse_option(o, "codec:a", arg, options);
6291d7e4
AK
2541}
2542
35e6f8c1 2543static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2544{
35e6f8c1 2545 return parse_option(o, "codec:v", arg, options);
6291d7e4
AK
2546}
2547
35e6f8c1 2548static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2549{
35e6f8c1 2550 return parse_option(o, "codec:s", arg, options);
6291d7e4
AK
2551}
2552
35e6f8c1 2553static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2554{
35e6f8c1 2555 return parse_option(o, "codec:d", arg, options);
6291d7e4
AK
2556}
2557
575ec4e1 2558static int opt_map(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2559{
8d2e4a7e
AK
2560 StreamMap *m = NULL;
2561 int i, negative = 0, file_idx;
2562 int sync_file_idx = -1, sync_stream_idx;
2563 char *p, *sync;
2564 char *map;
6291d7e4 2565
8d2e4a7e
AK
2566 if (*arg == '-') {
2567 negative = 1;
2568 arg++;
2569 }
2570 map = av_strdup(arg);
6291d7e4 2571
8d2e4a7e
AK
2572 /* parse sync stream first, just pick first matching stream */
2573 if (sync = strchr(map, ',')) {
2574 *sync = 0;
2575 sync_file_idx = strtol(sync + 1, &sync, 0);
2576 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2577 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2578 exit_program(1);
2579 }
2580 if (*sync)
2581 sync++;
ed5b1326 2582 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
8d2e4a7e
AK
2583 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2584 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2585 sync_stream_idx = i;
2586 break;
2587 }
ed5b1326 2588 if (i == input_files[sync_file_idx].nb_streams) {
8d2e4a7e
AK
2589 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2590 "match any streams.\n", arg);
2591 exit_program(1);
2592 }
2593 }
6291d7e4 2594
8d2e4a7e
AK
2595
2596 file_idx = strtol(map, &p, 0);
2597 if (file_idx >= nb_input_files || file_idx < 0) {
2598 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2599 exit_program(1);
6291d7e4 2600 }
8d2e4a7e
AK
2601 if (negative)
2602 /* disable some already defined maps */
575ec4e1
AK
2603 for (i = 0; i < o->nb_stream_maps; i++) {
2604 m = &o->stream_maps[i];
8d2e4a7e
AK
2605 if (check_stream_specifier(input_files[m->file_index].ctx,
2606 input_files[m->file_index].ctx->streams[m->stream_index],
2607 *p == ':' ? p + 1 : p) > 0)
2608 m->disabled = 1;
2609 }
2610 else
ed5b1326 2611 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
8d2e4a7e
AK
2612 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2613 *p == ':' ? p + 1 : p) <= 0)
2614 continue;
575ec4e1
AK
2615 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2616 &o->nb_stream_maps, o->nb_stream_maps + 1);
2617 m = &o->stream_maps[o->nb_stream_maps - 1];
8d2e4a7e
AK
2618
2619 m->file_index = file_idx;
2620 m->stream_index = i;
2621
2622 if (sync_file_idx >= 0) {
2623 m->sync_file_index = sync_file_idx;
2624 m->sync_stream_index = sync_stream_idx;
2625 } else {
2626 m->sync_file_index = file_idx;
2627 m->sync_stream_index = i;
2628 }
2629 }
2630
2631 if (!m) {
2632 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2633 exit_program(1);
2634 }
2635
2636 av_freep(&map);
6291d7e4
AK
2637 return 0;
2638}
2639
e6e6060c 2640static void parse_meta_type(char *arg, char *type, int *index)
6291d7e4 2641{
039267f1 2642 if (*arg) {
a2a38d96 2643 *type = *arg;
6291d7e4
AK
2644 switch (*arg) {
2645 case 'g':
2646 break;
2647 case 's':
2648 case 'c':
2649 case 'p':
e6e6060c
AK
2650 if (*(++arg) == ':')
2651 *index = strtol(++arg, NULL, 0);
6291d7e4
AK
2652 break;
2653 default:
2654 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2655 exit_program(1);
2656 }
2657 } else
2658 *type = 'g';
2659}
2660
847529f8 2661static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
6291d7e4
AK
2662{
2663 MetadataMap *m, *m1;
2664 char *p;
2665
847529f8
AK
2666 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
2667 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
6291d7e4 2668
847529f8 2669 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
6291d7e4 2670 m->file = strtol(arg, &p, 0);
039267f1 2671 parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
6291d7e4 2672
847529f8 2673 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
e6e6060c 2674 if (p = strchr(opt, ':'))
039267f1 2675 parse_meta_type(p + 1, &m1->type, &m1->index);
e6e6060c
AK
2676 else
2677 m1->type = 'g';
6291d7e4
AK
2678
2679 if (m->type == 'g' || m1->type == 'g')
847529f8 2680 o->metadata_global_manual = 1;
6291d7e4 2681 if (m->type == 's' || m1->type == 's')
847529f8 2682 o->metadata_streams_manual = 1;
6291d7e4 2683 if (m->type == 'c' || m1->type == 'c')
847529f8 2684 o->metadata_chapters_manual = 1;
6291d7e4
AK
2685
2686 return 0;
2687}
2688
169f0647
AK
2689static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2690{
2691 const char *codec_string = encoder ? "encoder" : "decoder";
2692 AVCodec *codec;
2693
2694 if(!name)
2695 return CODEC_ID_NONE;
2696 codec = encoder ?
2697 avcodec_find_encoder_by_name(name) :
2698 avcodec_find_decoder_by_name(name);
2699 if(!codec) {
2700 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2701 exit_program(1);
2702 }
2703 if(codec->type != type) {
2704 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2705 exit_program(1);
2706 }
2707 return codec->id;
2708}
2709
35e6f8c1 2710static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type)
169f0647 2711{
169f0647 2712 char *codec_name = NULL;
169f0647 2713
35e6f8c1 2714 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
169f0647
AK
2715
2716 if (!codec_name) {
6cd9d0f7
AK
2717 if (s->oformat) {
2718 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2719 return avcodec_find_encoder(st->codec->codec_id);
2720 }
169f0647
AK
2721 } else if (!strcmp(codec_name, "copy"))
2722 st->stream_copy = 1;
2723 else {
2724 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2725 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2726 avcodec_find_decoder_by_name(codec_name);
2727 }
2728
2729 return NULL;
2730}
6291d7e4 2731
88867844
AK
2732/**
2733 * Add all the streams from the given input file to the global
2734 * list of input streams.
2735 */
35e6f8c1 2736static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
88867844 2737{
33f75d72 2738 int i, rfps, rfps_base;
88867844
AK
2739
2740 for (i = 0; i < ic->nb_streams; i++) {
2741 AVStream *st = ic->streams[i];
2742 AVCodecContext *dec = st->codec;
2743 InputStream *ist;
33f75d72 2744 double scale = 1.0;
88867844 2745
88867844
AK
2746 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2747 ist = &input_streams[nb_input_streams - 1];
2748 ist->st = st;
2749 ist->file_index = nb_input_files;
2750 ist->discard = 1;
2751 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2752
33f75d72
AK
2753 MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
2754 ist->ts_scale = scale;
88867844 2755
35e6f8c1 2756 ist->dec = choose_codec(o, ic, st, dec->codec_type);
c74b44de
AK
2757 if (!ist->dec)
2758 ist->dec = avcodec_find_decoder(dec->codec_id);
88867844
AK
2759
2760 switch (dec->codec_type) {
2761 case AVMEDIA_TYPE_AUDIO:
2130981a 2762 if (o->audio_disable)
88867844
AK
2763 st->discard= AVDISCARD_ALL;
2764 break;
2765 case AVMEDIA_TYPE_VIDEO:
2766 rfps = ic->streams[i]->r_frame_rate.num;
2767 rfps_base = ic->streams[i]->r_frame_rate.den;
2768 if (dec->lowres) {
2769 dec->flags |= CODEC_FLAG_EMU_EDGE;
2770 dec->height >>= dec->lowres;
2771 dec->width >>= dec->lowres;
2772 }
88867844
AK
2773
2774 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2775
2776 if (verbose >= 0)
2777 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2778 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2779
2780 (float)rfps / rfps_base, rfps, rfps_base);
2781 }
2782
2130981a 2783 if (o->video_disable)
88867844
AK
2784 st->discard= AVDISCARD_ALL;
2785 else if(video_discard)
2786 st->discard= video_discard;
2787 break;
2788 case AVMEDIA_TYPE_DATA:
2789 break;
2790 case AVMEDIA_TYPE_SUBTITLE:
2130981a 2791 if (o->subtitle_disable)
88867844
AK
2792 st->discard = AVDISCARD_ALL;
2793 break;
2794 case AVMEDIA_TYPE_ATTACHMENT:
2795 case AVMEDIA_TYPE_UNKNOWN:
2796 break;
2797 default:
2798 abort();
2799 }
2800 }
2801}
2802
575ec4e1 2803static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
6291d7e4
AK
2804{
2805 AVFormatContext *ic;
2806 AVInputFormat *file_iformat = NULL;
88867844 2807 int err, i, ret;
6291d7e4
AK
2808 int64_t timestamp;
2809 uint8_t buf[128];
2810 AVDictionary **opts;
2811 int orig_nb_streams; // number of streams before avformat_find_stream_info
2812
7041bb3b
AK
2813 if (o->format) {
2814 if (!(file_iformat = av_find_input_format(o->format))) {
2815 fprintf(stderr, "Unknown input format: '%s'\n", o->format);
6291d7e4
AK
2816 exit_program(1);
2817 }
6291d7e4
AK
2818 }
2819
2820 if (!strcmp(filename, "-"))
2821 filename = "pipe:";
2822
2823 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2824 !strcmp(filename, "/dev/stdin");
2825
2826 /* get default parameters from command line */
2827 ic = avformat_alloc_context();
2828 if (!ic) {
2829 print_error(filename, AVERROR(ENOMEM));
2830 exit_program(1);
2831 }
e2469ccf
AK
2832 if (o->nb_audio_sample_rate) {
2833 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
6291d7e4
AK
2834 av_dict_set(&format_opts, "sample_rate", buf, 0);
2835 }
6a11686d
AK
2836 if (o->nb_audio_channels) {
2837 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
6291d7e4
AK
2838 av_dict_set(&format_opts, "channels", buf, 0);
2839 }
91ea4811
AK
2840 if (o->nb_frame_rates) {
2841 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
6291d7e4 2842 }
d4397b03
AK
2843 if (o->nb_frame_sizes) {
2844 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
6291d7e4 2845 }
b2254d83
AK
2846 if (o->nb_frame_pix_fmts)
2847 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
6291d7e4 2848
6291d7e4
AK
2849 ic->flags |= AVFMT_FLAG_NONBLOCK;
2850
2851 /* open the input file with generic libav function */
2852 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2853 if (err < 0) {
2854 print_error(filename, err);
2855 exit_program(1);
2856 }
2857 assert_avoptions(format_opts);
2858
92f1940e
AK
2859 /* apply forced codec ids */
2860 for (i = 0; i < ic->nb_streams; i++)
35e6f8c1 2861 choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type);
92f1940e 2862
6291d7e4
AK
2863 /* Set AVCodecContext options for avformat_find_stream_info */
2864 opts = setup_find_stream_info_opts(ic, codec_opts);
2865 orig_nb_streams = ic->nb_streams;
2866
2867 /* If not enough info to get the stream parameters, we decode the
2868 first frames to get it. (used in mpeg case for example) */
2869 ret = avformat_find_stream_info(ic, opts);
2870 if (ret < 0 && verbose >= 0) {
2871 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2872 av_close_input_file(ic);
2873 exit_program(1);
2874 }
2875
6b779ccc 2876 timestamp = o->start_time;
6291d7e4
AK
2877 /* add the stream start time */
2878 if (ic->start_time != AV_NOPTS_VALUE)
2879 timestamp += ic->start_time;
2880
2881 /* if seeking requested, we execute it */
6b779ccc 2882 if (o->start_time != 0) {
6291d7e4
AK
2883 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2884 if (ret < 0) {
2885 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2886 filename, (double)timestamp / AV_TIME_BASE);
2887 }
6291d7e4
AK
2888 }
2889
2890 /* update the current parameters so that they match the one of the input stream */
35e6f8c1 2891 add_input_streams(o, ic);
6291d7e4
AK
2892
2893 /* dump the file content */
2894 if (verbose >= 0)
2895 av_dump_format(ic, nb_input_files, filename, 0);
2896
2897 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
2898 input_files[nb_input_files - 1].ctx = ic;
2899 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
6b779ccc 2900 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
ed5b1326 2901 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
6291d7e4 2902
6291d7e4
AK
2903 for (i = 0; i < orig_nb_streams; i++)
2904 av_dict_free(&opts[i]);
2905 av_freep(&opts);
575ec4e1
AK
2906
2907 reset_options(o);
6291d7e4
AK
2908 return 0;
2909}
2910
f233cfed
AK
2911static void parse_forced_key_frames(char *kf, OutputStream *ost,
2912 AVCodecContext *avctx)
2913{
2914 char *p;
2915 int n = 1, i;
2916 int64_t t;
2917
2918 for (p = kf; *p; p++)
2919 if (*p == ',')
2920 n++;
2921 ost->forced_kf_count = n;
2922 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
2923 if (!ost->forced_kf_pts) {
2924 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2925 exit_program(1);
2926 }
2927 for (i = 0; i < n; i++) {
2928 p = i ? strchr(p, ',') + 1 : kf;
2929 t = parse_time_or_die("force_key_frames", p, 1);
2930 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2931 }
2932}
2933
35e6f8c1 2934static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
169f0647
AK
2935{
2936 OutputStream *ost;
2937 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
2938 int idx = oc->nb_streams - 1;
96139b5e 2939 int64_t max_frames = INT64_MAX;
013887eb 2940 char *bsf = NULL, *next, *codec_tag = NULL;
d821cbe2 2941 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
77d9c454 2942 double qscale = -1;
169f0647
AK
2943
2944 if (!st) {
2945 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
2946 exit_program(1);
2947 }
2948
4288e031
AK
2949 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
2950 nb_output_streams + 1);
2951 ost = &output_streams[nb_output_streams - 1];
40fc2810 2952 ost->file_index = nb_output_files;
169f0647
AK
2953 ost->index = idx;
2954 ost->st = st;
2955 st->codec->codec_type = type;
35e6f8c1 2956 ost->enc = choose_codec(o, oc, st, type);
169f0647
AK
2957 if (ost->enc) {
2958 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
2959 }
2960
2961 avcodec_get_context_defaults3(st->codec, ost->enc);
2962 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
2963
96139b5e
AK
2964 MATCH_PER_STREAM_OPT(max_frames, i64, max_frames, oc, st);
2965 ost->max_frames = max_frames;
2966
d821cbe2
AK
2967 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
2968 while (bsf) {
2969 if (next = strchr(bsf, ','))
2970 *next++ = 0;
2971 if (!(bsfc = av_bitstream_filter_init(bsf))) {
2972 av_log(NULL, AV_LOG_ERROR, "Unknown bitstream filter %s\n", bsf);
2973 exit_program(1);
2974 }
2975 if (bsfc_prev)
2976 bsfc_prev->next = bsfc;
2977 else
2978 ost->bitstream_filters = bsfc;
2979
2980 bsfc_prev = bsfc;
2981 bsf = next;
2982 }
2983
013887eb
AK
2984 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
2985 if (codec_tag) {
2986 uint32_t tag = strtol(codec_tag, &next, 0);
2987 if (*next)
2988 tag = AV_RL32(codec_tag);
2989 st->codec->codec_tag = tag;
2990 }
2991
77d9c454
AK
2992 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
2993 if (qscale >= 0 || same_quant) {
2994 st->codec->flags |= CODEC_FLAG_QSCALE;
2995 st->codec->global_quality = FF_QP2LAMBDA * qscale;
2996 }
2997
169f0647
AK
2998 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
2999 return ost;
3000}
3001
2c2cff16
AK
3002static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3003{
3004 int i;
3005 const char *p = str;
3006 for(i = 0;; i++) {
3007 dest[i] = atoi(p);
3008 if(i == 63)
3009 break;
3010 p = strchr(p, ',');
3011 if(!p) {
3012 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3013 exit_program(1);
3014 }
3015 p++;
3016 }
3017}
3018
35e6f8c1 3019static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3020{
3021 AVStream *st;
3022 OutputStream *ost;
3023 AVCodecContext *video_enc;
6291d7e4 3024
35e6f8c1 3025 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
6291d7e4 3026 st = ost->st;
6291d7e4
AK
3027 video_enc = st->codec;
3028
6291d7e4
AK
3029 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3030 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3031 }
3032
d4397b03 3033 if (!st->stream_copy) {
0e68c783 3034 const char *p = NULL;
d4397b03 3035 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
b2254d83 3036 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
8e5ce590 3037 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
828e0bcb 3038 int i, force_fps = 0, top_field_first = -1;
6291d7e4 3039
91ea4811
AK
3040 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3041 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3042 av_log(NULL, AV_LOG_ERROR, "Invalid framerate value: %s\n", frame_rate);
3043 exit_program(1);
3044 }
6291d7e4 3045
d4397b03
AK
3046 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3047 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3048 av_log(NULL, AV_LOG_ERROR, "Invalid frame size: %s.\n", frame_size);
3049 exit_program(1);
3050 }
3051
ca46fde7
AK
3052 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3053 if (frame_aspect_ratio)
3054 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3055
b2254d83
AK
3056 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3057 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3058 av_log(NULL, AV_LOG_ERROR, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
3059 exit_program(1);
3060 }
6291d7e4
AK
3061 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3062
2c2cff16
AK
3063 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3064 if (intra_matrix) {
3065 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
3066 av_log(NULL, AV_LOG_ERROR, "Could not allocate memory for intra matrix.\n");
3067 exit_program(1);
3068 }
3069 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3070 }
3071 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3072 if (inter_matrix) {
3073 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
3074 av_log(NULL, AV_LOG_ERROR, "Could not allocate memory for inter matrix.\n");
3075 exit_program(1);
3076 }
3077 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3078 }
6291d7e4 3079
0e68c783 3080 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
6291d7e4
AK
3081 for(i=0; p; i++){
3082 int start, end, q;
3083 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3084 if(e!=3){
3085 fprintf(stderr, "error parsing rc_override\n");
3086 exit_program(1);
3087 }
3088 video_enc->rc_override=
3089 av_realloc(video_enc->rc_override,
3090 sizeof(RcOverride)*(i+1));
3091 video_enc->rc_override[i].start_frame= start;
3092 video_enc->rc_override[i].end_frame = end;
3093 if(q>0){
3094 video_enc->rc_override[i].qscale= q;
3095 video_enc->rc_override[i].quality_factor= 1.0;
3096 }
3097 else{
3098 video_enc->rc_override[i].qscale= 0;
3099 video_enc->rc_override[i].quality_factor= -q/100.0;
3100 }
3101 p= strchr(p, '/');
3102 if(p) p++;
3103 }
3104 video_enc->rc_override_count=i;
3105 if (!video_enc->rc_initial_buffer_occupancy)
3106 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
6291d7e4
AK
3107 video_enc->intra_dc_precision= intra_dc_precision - 8;
3108
6291d7e4
AK
3109 /* two pass mode */
3110 if (do_pass) {
3111 if (do_pass == 1) {
3112 video_enc->flags |= CODEC_FLAG_PASS1;
3113 } else {
3114 video_enc->flags |= CODEC_FLAG_PASS2;
3115 }
3116 }
3117
7c029672 3118 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
6291d7e4
AK
3119 if (forced_key_frames)
3120 parse_forced_key_frames(forced_key_frames, ost, video_enc);
bef737a7
AK
3121
3122 MATCH_PER_STREAM_OPT(force_fps, i, force_fps, oc, st);
3123 ost->force_fps = force_fps;
828e0bcb
AK
3124
3125 MATCH_PER_STREAM_OPT(top_field_first, i, top_field_first, oc, st);
3126 ost->top_field_first = top_field_first;
8e5ce590
AK
3127
3128#if CONFIG_AVFILTER
3129 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
3130 if (filters)
3131 ost->avfilter = av_strdup(filters);
3132#endif
6291d7e4 3133 }
6291d7e4 3134
3d4f0dab 3135 return ost;
6291d7e4
AK
3136}
3137
35e6f8c1 3138static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3139{
3140 AVStream *st;
3141 OutputStream *ost;
6291d7e4 3142 AVCodecContext *audio_enc;
6291d7e4 3143
35e6f8c1 3144 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
6291d7e4
AK
3145 st = ost->st;
3146
6291d7e4
AK
3147 audio_enc = st->codec;
3148 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3149
6291d7e4
AK
3150 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3151 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3152 }
92f1940e 3153 if (!st->stream_copy) {
05bffc12
AK
3154 char *sample_fmt = NULL;
3155
6a11686d
AK
3156 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3157
05bffc12
AK
3158 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3159 if (sample_fmt &&
3160 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
3161 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", sample_fmt);
3162 exit_program(1);
3163 }
3164
e2469ccf 3165 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
6291d7e4 3166 }
6291d7e4 3167
3d4f0dab 3168 return ost;
6291d7e4
AK
3169}
3170
35e6f8c1 3171static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3172{
3173 AVStream *st;
3174 OutputStream *ost;
3175 AVCodecContext *data_enc;
3176
35e6f8c1 3177 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
6291d7e4
AK
3178 st = ost->st;
3179 data_enc = st->codec;
92f1940e 3180 if (!st->stream_copy) {
6291d7e4
AK
3181 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3182 exit_program(1);
3183 }
3184
6291d7e4
AK
3185 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3186 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3187 }
6291d7e4 3188
3d4f0dab 3189 return ost;
6291d7e4
AK
3190}
3191
35e6f8c1 3192static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3193{
3194 AVStream *st;
3195 OutputStream *ost;
6291d7e4 3196 AVCodecContext *subtitle_enc;
6291d7e4 3197
35e6f8c1 3198 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
6291d7e4
AK
3199 st = ost->st;
3200 subtitle_enc = st->codec;
3201
6291d7e4
AK
3202 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3203
6291d7e4
AK
3204 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3205 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3206 }
6291d7e4 3207
3d4f0dab 3208 return ost;
6291d7e4
AK
3209}
3210
3211/* arg format is "output-stream-index:streamid-value". */
3212static int opt_streamid(const char *opt, const char *arg)
3213{
3214 int idx;
3215 char *p;
3216 char idx_str[16];
3217
3218 av_strlcpy(idx_str, arg, sizeof(idx_str));
3219 p = strchr(idx_str, ':');
3220 if (!p) {
3221 fprintf(stderr,
3222 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3223 arg, opt);
3224 exit_program(1);
3225 }
3226 *p++ = '\0';
3227 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3228 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3229 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3230 return 0;
3231}
3232
847529f8 3233static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
86530f41 3234{
6b779ccc
AK
3235 AVFormatContext *is = ifile->ctx;
3236 AVFormatContext *os = ofile->ctx;
86530f41
AK
3237 int i;
3238
3239 for (i = 0; i < is->nb_chapters; i++) {
3240 AVChapter *in_ch = is->chapters[i], *out_ch;
6b779ccc 3241 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
86530f41 3242 AV_TIME_BASE_Q, in_ch->time_base);
6b779ccc
AK
3243 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3244 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
86530f41
AK
3245
3246
3247 if (in_ch->end < ts_off)
3248 continue;
3249 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3250 break;
3251
3252 out_ch = av_mallocz(sizeof(AVChapter));
3253 if (!out_ch)
3254 return AVERROR(ENOMEM);
3255
3256 out_ch->id = in_ch->id;
3257 out_ch->time_base = in_ch->time_base;
3258 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3259 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3260
847529f8 3261 if (copy_metadata)
86530f41
AK
3262 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3263
3264 os->nb_chapters++;
3265 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3266 if (!os->chapters)
3267 return AVERROR(ENOMEM);
3268 os->chapters[os->nb_chapters - 1] = out_ch;
3269 }
3270 return 0;
3271}
3272
35e6f8c1 3273static int read_avserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
169f0647
AK
3274{
3275 int i, err;
3276 AVFormatContext *ic = NULL;
169f0647
AK
3277
3278 err = avformat_open_input(&ic, filename, NULL, NULL);
3279 if (err < 0)
3280 return err;
3281 /* copy stream format */
3282 for(i=0;i<ic->nb_streams;i++) {
3283 AVStream *st;
3284 OutputStream *ost;
3285 AVCodec *codec;
3286
3287 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
35e6f8c1 3288 ost = new_output_stream(o, s, codec->type);
169f0647
AK
3289 st = ost->st;
3290
3291 // FIXME: a more elegant solution is needed
3292 memcpy(st, ic->streams[i], sizeof(AVStream));
3293 st->info = NULL;
3294 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3295
3296 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3297 choose_sample_fmt(st, codec);
3298 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3299 choose_pixel_fmt(st, codec);
169f0647
AK
3300 }
3301
3302 av_close_input_file(ic);
3303 return 0;
3304}
3305
7cc8d638 3306static void opt_output_file(void *optctx, const char *filename)
6291d7e4 3307{
575ec4e1 3308 OptionsContext *o = optctx;
6291d7e4 3309 AVFormatContext *oc;
3d4f0dab 3310 int i, err;
6291d7e4 3311 AVOutputFormat *file_oformat;
3d4f0dab
AK
3312 OutputStream *ost;
3313 InputStream *ist;
6291d7e4
AK
3314
3315 if (!strcmp(filename, "-"))
3316 filename = "pipe:";
3317
3318 oc = avformat_alloc_context();
3319 if (!oc) {
3320 print_error(filename, AVERROR(ENOMEM));
3321 exit_program(1);
3322 }
3323
7041bb3b
AK
3324 if (o->format) {
3325 file_oformat = av_guess_format(o->format, NULL, NULL);
6291d7e4 3326 if (!file_oformat) {
7041bb3b 3327 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", o->format);
6291d7e4
AK
3328 exit_program(1);
3329 }
6291d7e4
AK
3330 } else {
3331 file_oformat = av_guess_format(NULL, filename, NULL);
3332 if (!file_oformat) {
3333 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3334 filename);
3335 exit_program(1);
3336 }
3337 }
3338
3339 oc->oformat = file_oformat;
3340 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3341
3342 if (!strcmp(file_oformat->name, "ffm") &&
3343 av_strstart(filename, "http:", NULL)) {
3344 /* special case for files sent to avserver: we get the stream
3345 parameters from avserver */
35e6f8c1 3346 int err = read_avserver_streams(o, oc, filename);
6291d7e4
AK
3347 if (err < 0) {
3348 print_error(filename, err);
3349 exit_program(1);
3350 }
575ec4e1 3351 } else if (!o->nb_stream_maps) {
3d4f0dab
AK
3352 /* pick the "best" stream of each type */
3353#define NEW_STREAM(type, index)\
3354 if (index >= 0) {\
35e6f8c1 3355 ost = new_ ## type ## _stream(o, oc);\
3d4f0dab
AK
3356 ost->source_index = index;\
3357 ost->sync_ist = &input_streams[index];\
3358 input_streams[index].discard = 0;\
3359 }
3360
3361 /* video: highest resolution */
2130981a 3362 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3d4f0dab
AK
3363 int area = 0, idx = -1;
3364 for (i = 0; i < nb_input_streams; i++) {
3365 ist = &input_streams[i];
3366 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3367 ist->st->codec->width * ist->st->codec->height > area) {
3368 area = ist->st->codec->width * ist->st->codec->height;
3369 idx = i;
3370 }
3371 }
3372 NEW_STREAM(video, idx);
3373 }
3374
3375 /* audio: most channels */
2130981a 3376 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3d4f0dab
AK
3377 int channels = 0, idx = -1;
3378 for (i = 0; i < nb_input_streams; i++) {
3379 ist = &input_streams[i];
3380 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3381 ist->st->codec->channels > channels) {
3382 channels = ist->st->codec->channels;
3383 idx = i;
3384 }
3385 }
3386 NEW_STREAM(audio, idx);
3387 }
3388
3389 /* subtitles: pick first */
2130981a 3390 if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3d4f0dab
AK
3391 for (i = 0; i < nb_input_streams; i++)
3392 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3393 NEW_STREAM(subtitle, i);
3394 break;
3395 }
3396 }
3397 /* do something with data? */
6291d7e4 3398 } else {
575ec4e1
AK
3399 for (i = 0; i < o->nb_stream_maps; i++) {
3400 StreamMap *map = &o->stream_maps[i];
3d4f0dab 3401
8d2e4a7e
AK
3402 if (map->disabled)
3403 continue;
3d4f0dab 3404
6cd9d0f7 3405 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3d4f0dab 3406 switch (ist->st->codec->codec_type) {
35e6f8c1
AK
3407 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3408 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3409 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3410 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3d4f0dab
AK
3411 default:
3412 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3413 map->file_index, map->stream_index);
3414 exit_program(1);
3415 }
3416
6cd9d0f7 3417 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3d4f0dab
AK
3418 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3419 map->sync_stream_index];
3420 ist->discard = 0;
3421 }
6291d7e4
AK
3422 }
3423
af70aa45
AK
3424 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3425 output_files[nb_output_files - 1].ctx = oc;
4288e031 3426 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
6b779ccc
AK
3427 output_files[nb_output_files - 1].recording_time = o->recording_time;
3428 output_files[nb_output_files - 1].start_time = o->start_time;
13ccba50 3429 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
af70aa45 3430 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
6291d7e4
AK
3431
3432 /* check filename in case of an image number is expected */
3433 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3434 if (!av_filename_number_test(oc->filename)) {
3435 print_error(oc->filename, AVERROR(EINVAL));
3436 exit_program(1);
3437 }
3438 }
3439
3440 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3441 /* test if it already exists to avoid loosing precious files */
3442 if (!file_overwrite &&
3443 (strchr(filename, ':') == NULL ||
3444 filename[1] == ':' ||
3445 av_strstart(filename, "file:", NULL))) {
3446 if (avio_check(filename, 0) == 0) {
3447 if (!using_stdin) {
3448 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3449 fflush(stderr);
3450 if (!read_yesno()) {
3451 fprintf(stderr, "Not overwriting - exiting\n");
3452 exit_program(1);
3453 }
3454 }
3455 else {
3456 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3457 exit_program(1);
3458 }
3459 }
3460 }
3461
3462 /* open the file */
3463 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3464 print_error(filename, err);
3465 exit_program(1);
3466 }
3467 }
3468
dc26318c
AK
3469 oc->preload = (int)(o->mux_preload * AV_TIME_BASE);
3470 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
6291d7e4
AK
3471 oc->flags |= AVFMT_FLAG_NONBLOCK;
3472
b9aac90b 3473 /* copy chapters */
c5bb372e
AK
3474 if (o->chapters_input_file >= nb_input_files) {
3475 if (o->chapters_input_file == INT_MAX) {
b9aac90b 3476 /* copy chapters from the first input file that has them*/
c5bb372e 3477 o->chapters_input_file = -1;
b9aac90b
AK
3478 for (i = 0; i < nb_input_files; i++)
3479 if (input_files[i].ctx->nb_chapters) {
c5bb372e 3480 o->chapters_input_file = i;
b9aac90b
AK
3481 break;
3482 }
3483 } else {
3484 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
c5bb372e 3485 o->chapters_input_file);
b9aac90b
AK
3486 exit_program(1);
3487 }
3488 }
c5bb372e
AK
3489 if (o->chapters_input_file >= 0)
3490 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
847529f8 3491 o->metadata_chapters_manual);
b9aac90b 3492
e6e6060c 3493 /* copy metadata */
847529f8 3494 for (i = 0; i < o->nb_meta_data_maps; i++) {
e6e6060c
AK
3495 AVFormatContext *files[2];
3496 AVDictionary **meta[2];
3497 int j;
3498
3499#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3500 if ((index) < 0 || (index) >= (nb_elems)) {\
3501 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3502 (desc), (index));\
3503 exit_program(1);\
3504 }
3505
847529f8 3506 int in_file_index = o->meta_data_maps[i][1].file;
e6e6060c
AK
3507 if (in_file_index < 0)
3508 continue;
3509 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3510
3511 files[0] = oc;
3512 files[1] = input_files[in_file_index].ctx;
3513
3514 for (j = 0; j < 2; j++) {
847529f8 3515 MetadataMap *map = &o->meta_data_maps[i][j];
e6e6060c
AK
3516
3517 switch (map->type) {
3518 case 'g':
3519 meta[j] = &files[j]->metadata;
3520 break;
3521 case 's':
3522 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3523 meta[j] = &files[j]->streams[map->index]->metadata;
3524 break;
3525 case 'c':
3526 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3527 meta[j] = &files[j]->chapters[map->index]->metadata;
3528 break;
3529 case 'p':
3530 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3531 meta[j] = &files[j]->programs[map->index]->metadata;
3532 break;
3533 }
3534 }
3535
3536 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3537 }
3538
3539 /* copy global metadata by default */
847529f8 3540 if (!o->metadata_global_manual && nb_input_files)
e6e6060c
AK
3541 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3542 AV_DICT_DONT_OVERWRITE);
847529f8 3543 if (!o->metadata_streams_manual)
4288e031
AK
3544 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3545 InputStream *ist = &input_streams[output_streams[i].source_index];
3546 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
e6e6060c
AK
3547 }
3548
039267f1
AK
3549 /* process manually set metadata */
3550 for (i = 0; i < o->nb_metadata; i++) {
3551 AVDictionary **m;
3552 char type, *val;
3553 int index = 0;
3554
3555 val = strchr(o->metadata[i].u.str, '=');
3556 if (!val) {
3557 av_log(NULL, AV_LOG_ERROR, "No '=' character in metadata string %s.\n",
3558 o->metadata[i].u.str);
3559 exit_program(1);
3560 }
3561 *val++ = 0;
3562
3563 parse_meta_type(o->metadata[i].specifier, &type, &index);
3564 switch (type) {
3565 case 'g':
3566 m = &oc->metadata;
3567 break;
3568 case 's':
3569 if (index < 0 || index >= oc->nb_streams) {
3570 av_log(NULL, AV_LOG_ERROR, "Invalid stream index %d in metadata specifier.\n", index);
3571 exit_program(1);
3572 }
3573 m = &oc->streams[i]->metadata;
3574 break;
3575 case 'c':
3576 if (index < 0 || index >= oc->nb_chapters) {
3577 av_log(NULL, AV_LOG_ERROR, "Invalid chapter index %d in metadata specifier.\n", index);
3578 exit_program(1);
3579 }
3580 m = &oc->chapters[i]->metadata;
3581 break;
3582 default:
3583 av_log(NULL, AV_LOG_ERROR, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
3584 exit_program(1);
3585 }
3586
3587 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
3588 }
3589
e922bbfa
AK
3590 av_freep(&streamid_map);
3591 nb_streamid_map = 0;
e6e6060c 3592
575ec4e1 3593 reset_options(o);
6291d7e4
AK
3594}
3595
3596/* same option as mencoder */
3597static int opt_pass(const char *opt, const char *arg)
3598{
3599 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3600 return 0;
3601}
3602
3603static int64_t getutime(void)
3604{
3605#if HAVE_GETRUSAGE
3606 struct rusage rusage;
3607
3608 getrusage(RUSAGE_SELF, &rusage);
3609 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3610#elif HAVE_GETPROCESSTIMES
3611 HANDLE proc;
3612 FILETIME c, e, k, u;
3613 proc = GetCurrentProcess();
3614 GetProcessTimes(proc, &c, &e, &k, &u);
3615 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3616#else
3617 return av_gettime();
3618#endif
3619}
3620
3621static int64_t getmaxrss(void)
3622{
3623#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3624 struct rusage rusage;
3625 getrusage(RUSAGE_SELF, &rusage);
3626 return (int64_t)rusage.ru_maxrss * 1024;
3627#elif HAVE_GETPROCESSMEMORYINFO
3628 HANDLE proc;
3629 PROCESS_MEMORY_COUNTERS memcounters;
3630 proc = GetCurrentProcess();
3631 memcounters.cb = sizeof(memcounters);
3632 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3633 return memcounters.PeakPagefileUsage;
3634#else
3635 return 0;
3636#endif
3637}
3638
77d9c454
AK
3639static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
3640{
3641 return parse_option(o, "q:a", arg, options);
3642}
3643
6291d7e4
AK
3644static void show_usage(void)
3645{
3646 printf("Hyper fast Audio and Video encoder\n");
3647 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3648 printf("\n");
3649}
3650
3651static void show_help(void)
3652{
3653 AVCodec *c;
3654 AVOutputFormat *oformat = NULL;
3655 AVInputFormat *iformat = NULL;
20c21f8b 3656 const AVClass *class;
6291d7e4
AK
3657
3658 av_log_set_callback(log_callback_help);
3659 show_usage();
3660 show_help_options(options, "Main options:\n",
3661 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3662 show_help_options(options, "\nAdvanced options:\n",
3663 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3664 OPT_EXPERT);
3665 show_help_options(options, "\nVideo options:\n",
3666 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3667 OPT_VIDEO);
3668 show_help_options(options, "\nAdvanced Video options:\n",
3669 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3670 OPT_VIDEO | OPT_EXPERT);
3671 show_help_options(options, "\nAudio options:\n",
3672 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3673 OPT_AUDIO);
3674 show_help_options(options, "\nAdvanced Audio options:\n",
3675 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3676 OPT_AUDIO | OPT_EXPERT);
3677 show_help_options(options, "\nSubtitle options:\n",
3678 OPT_SUBTITLE | OPT_GRAB,
3679 OPT_SUBTITLE);
3680 show_help_options(options, "\nAudio/Video grab options:\n",
3681 OPT_GRAB,
3682 OPT_GRAB);
3683 printf("\n");
20c21f8b
AK
3684 class = avcodec_get_class();
3685 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
6291d7e4
AK
3686 printf("\n");
3687
3688 /* individual codec options */
3689 c = NULL;
3690 while ((c = av_codec_next(c))) {
3691 if (c->priv_class) {
3692 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3693 printf("\n");
3694 }
3695 }
3696
20c21f8b
AK
3697 class = avformat_get_class();
3698 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
6291d7e4
AK
3699 printf("\n");
3700
3701 /* individual muxer options */
3702 while ((oformat = av_oformat_next(oformat))) {
3703 if (oformat->priv_class) {
3704 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3705 printf("\n");
3706 }
3707 }
3708
3709 /* individual demuxer options */
3710 while ((iformat = av_iformat_next(iformat))) {
3711 if (iformat->priv_class) {
3712 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3713 printf("\n");
3714 }
3715 }
3716
20c21f8b
AK
3717 class = sws_get_class();
3718 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
6291d7e4
AK
3719}
3720
7041bb3b 3721static int opt_target(OptionsContext *o, const char *opt, const char *arg)
6291d7e4
AK
3722{
3723 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3724 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3725
3726 if(!strncmp(arg, "pal-", 4)) {
3727 norm = PAL;
3728 arg += 4;
3729 } else if(!strncmp(arg, "ntsc-", 5)) {
3730 norm = NTSC;
3731 arg += 5;
3732 } else if(!strncmp(arg, "film-", 5)) {
3733 norm = FILM;
3734 arg += 5;
3735 } else {
91ea4811
AK
3736 /* Try to determine PAL/NTSC by peeking in the input files */
3737 if(nb_input_files) {
3738 int i, j, fr;
3739 for (j = 0; j < nb_input_files; j++) {
3740 for (i = 0; i < input_files[j].nb_streams; i++) {
3741 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3742 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3743 continue;
3744 fr = c->time_base.den * 1000 / c->time_base.num;
3745 if(fr == 25000) {
3746 norm = PAL;
6291d7e4 3747 break;
91ea4811
AK
3748 } else if((fr == 29970) || (fr == 23976)) {
3749 norm = NTSC;
3750 break;
3751 }
6291d7e4 3752 }
91ea4811
AK
3753 if(norm != UNKNOWN)
3754 break;
6291d7e4
AK
3755 }
3756 }
3757 if(verbose > 0 && norm != UNKNOWN)
3758 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3759 }
3760
3761 if(norm == UNKNOWN) {
3762 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3763 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3764 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3765 exit_program(1);
3766 }
3767
3768 if(!strcmp(arg, "vcd")) {
35e6f8c1
AK
3769 opt_video_codec(o, "c:v", "mpeg1video");
3770 opt_audio_codec(o, "c:a", "mp2");
7041bb3b 3771 parse_option(o, "f", "vcd", options);
6291d7e4 3772
d4397b03 3773 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
91ea4811 3774 parse_option(o, "r", frame_rates[norm], options);
6291d7e4
AK
3775 opt_default("g", norm == PAL ? "15" : "18");
3776
3777 opt_default("b", "1150000");
3778 opt_default("maxrate", "1150000");
3779 opt_default("minrate", "1150000");
3780 opt_default("bufsize", "327680"); // 40*1024*8;
3781
64db1a82 3782 opt_default("b:a", "224000");
e2469ccf 3783 parse_option(o, "ar", "44100", options);
6a11686d 3784 parse_option(o, "ac", "2", options);
6291d7e4
AK
3785
3786 opt_default("packetsize", "2324");
3787 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3788
3789 /* We have to offset the PTS, so that it is consistent with the SCR.
3790 SCR starts at 36000, but the first two packs contain only padding