avconv: add -attach option.
[libav.git] / avconv.c
CommitLineData
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1/*
2 * avconv main
3 * Copyright (c) 2000-2011 The libav developers.
4 *
5 * This file is part of Libav.
6 *
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#include "config.h"
23#include <ctype.h>
24#include <string.h>
25#include <math.h>
26#include <stdlib.h>
27#include <errno.h>
28#include <signal.h>
29#include <limits.h>
30#include <unistd.h>
31#include "libavformat/avformat.h"
32#include "libavdevice/avdevice.h"
33#include "libswscale/swscale.h"
34#include "libavutil/opt.h"
35#include "libavcodec/audioconvert.h"
36#include "libavutil/audioconvert.h"
37#include "libavutil/parseutils.h"
38#include "libavutil/samplefmt.h"
39#include "libavutil/colorspace.h"
40#include "libavutil/fifo.h"
41#include "libavutil/intreadwrite.h"
42#include "libavutil/dict.h"
43#include "libavutil/mathematics.h"
44#include "libavutil/pixdesc.h"
45#include "libavutil/avstring.h"
46#include "libavutil/libm.h"
47#include "libavformat/os_support.h"
48
49#if CONFIG_AVFILTER
50# include "libavfilter/avfilter.h"
51# include "libavfilter/avfiltergraph.h"
52# include "libavfilter/vsrc_buffer.h"
53#endif
54
55#if HAVE_SYS_RESOURCE_H
56#include <sys/types.h>
57#include <sys/time.h>
58#include <sys/resource.h>
59#elif HAVE_GETPROCESSTIMES
60#include <windows.h>
61#endif
62#if HAVE_GETPROCESSMEMORYINFO
63#include <windows.h>
64#include <psapi.h>
65#endif
66
67#if HAVE_SYS_SELECT_H
68#include <sys/select.h>
69#endif
70
71#include <time.h>
72
73#include "cmdutils.h"
74
75#include "libavutil/avassert.h"
76
77const char program_name[] = "avconv";
78const int program_birth_year = 2000;
79
80/* select an input stream for an output stream */
81typedef struct StreamMap {
8d2e4a7e 82 int disabled; /** 1 is this mapping is disabled by a negative map */
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83 int file_index;
84 int stream_index;
85 int sync_file_index;
86 int sync_stream_index;
87} StreamMap;
88
89/**
90 * select an input file for an output file
91 */
92typedef struct MetadataMap {
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93 int file; ///< file index
94 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
95 int index; ///< stream/chapter/program number
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96} MetadataMap;
97
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98static const OptionDef options[];
99
6291d7e4 100static int video_discard = 0;
f4ad238c 101static int same_quant = 0;
6291d7e4 102static int do_deinterlace = 0;
6291d7e4 103static int intra_dc_precision = 8;
6291d7e4 104static int qp_hist = 0;
6291d7e4 105
6291d7e4 106static int file_overwrite = 0;
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107static int do_benchmark = 0;
108static int do_hex_dump = 0;
109static int do_pkt_dump = 0;
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110static int do_pass = 0;
111static char *pass_logfilename_prefix = NULL;
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112static int video_sync_method= -1;
113static int audio_sync_method= 0;
114static float audio_drift_threshold= 0.1;
115static int copy_ts= 0;
116static int copy_tb;
117static int opt_shortest = 0;
118static char *vstats_filename;
119static FILE *vstats_file;
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120static int copy_initial_nonkeyframes = 0;
121
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122static int audio_volume = 256;
123
124static int exit_on_error = 0;
125static int using_stdin = 0;
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126static int64_t video_size = 0;
127static int64_t audio_size = 0;
128static int64_t extra_size = 0;
129static int nb_frames_dup = 0;
130static int nb_frames_drop = 0;
131static int input_sync;
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132
133static float dts_delta_threshold = 10;
134
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135static int print_stats = 1;
136
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137static uint8_t *audio_buf;
138static uint8_t *audio_out;
139static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
140
fe332cf5 141static void *samples;
6291d7e4 142
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143#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
144
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145typedef struct InputStream {
146 int file_index;
147 AVStream *st;
148 int discard; /* true if stream data should be discarded */
149 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
150 AVCodec *dec;
151
152 int64_t start; /* time when read started */
153 int64_t next_pts; /* synthetic pts for cases where pkt.pts
154 is not defined */
155 int64_t pts; /* current pts */
156 PtsCorrectionContext pts_ctx;
157 double ts_scale;
158 int is_start; /* is 1 at the start and after a discontinuity */
159 int showed_multi_packet_warning;
160 AVDictionary *opts;
161} InputStream;
162
163typedef struct InputFile {
164 AVFormatContext *ctx;
165 int eof_reached; /* true if eof reached */
166 int ist_index; /* index of first stream in ist_table */
167 int buffer_size; /* current total buffer size */
168 int64_t ts_offset;
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169 int nb_streams; /* number of stream that avconv is aware of; may be different
170 from ctx.nb_streams if new streams appear during av_read_frame() */
f4805328 171 int rate_emu;
6494c001 172} InputFile;
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173
174typedef struct OutputStream {
175 int file_index; /* file index */
176 int index; /* stream index in the output file */
177 int source_index; /* InputStream index */
178 AVStream *st; /* stream in the output file */
179 int encoding_needed; /* true if encoding needed for this stream */
180 int frame_number;
181 /* input pts and corresponding output pts
182 for A/V sync */
183 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
184 struct InputStream *sync_ist; /* input stream to sync against */
185 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
186 AVBitStreamFilterContext *bitstream_filters;
187 AVCodec *enc;
96139b5e 188 int64_t max_frames;
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189
190 /* video only */
191 int video_resample;
192 AVFrame pict_tmp; /* temporary image for resampling */
193 struct SwsContext *img_resample_ctx; /* for image resampling */
194 int resample_height;
195 int resample_width;
196 int resample_pix_fmt;
197 AVRational frame_rate;
bef737a7 198 int force_fps;
828e0bcb 199 int top_field_first;
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200
201 float frame_aspect_ratio;
202
203 /* forced key frames */
204 int64_t *forced_kf_pts;
205 int forced_kf_count;
206 int forced_kf_index;
207
208 /* audio only */
209 int audio_resample;
210 ReSampleContext *resample; /* for audio resampling */
211 int resample_sample_fmt;
212 int resample_channels;
213 int resample_sample_rate;
214 int reformat_pair;
215 AVAudioConvert *reformat_ctx;
216 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
217 FILE *logfile;
218
219#if CONFIG_AVFILTER
220 AVFilterContext *output_video_filter;
221 AVFilterContext *input_video_filter;
222 AVFilterBufferRef *picref;
223 char *avfilter;
224 AVFilterGraph *graph;
225#endif
226
3b3ea346 227 int64_t sws_flags;
6291d7e4 228 AVDictionary *opts;
ef44a607 229 int is_past_recording_time;
3d813e4c 230 int stream_copy;
4dbc6cee 231 const char *attachment_filename;
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232} OutputStream;
233
6291d7e4 234
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235typedef struct OutputFile {
236 AVFormatContext *ctx;
237 AVDictionary *opts;
4288e031 238 int ost_index; /* index of the first stream in output_streams */
ef44a607 239 int64_t recording_time; /* desired length of the resulting file in microseconds */
ea065176 240 int64_t start_time; /* start time in microseconds */
f21f294e 241 uint64_t limit_filesize;
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242} OutputFile;
243
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244static InputStream *input_streams = NULL;
245static int nb_input_streams = 0;
246static InputFile *input_files = NULL;
247static int nb_input_files = 0;
248
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249static OutputStream *output_streams = NULL;
250static int nb_output_streams = 0;
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251static OutputFile *output_files = NULL;
252static int nb_output_files = 0;
253
575ec4e1 254typedef struct OptionsContext {
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255 /* input/output options */
256 int64_t start_time;
7041bb3b 257 const char *format;
6b779ccc 258
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259 SpecifierOpt *codec_names;
260 int nb_codec_names;
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261 SpecifierOpt *audio_channels;
262 int nb_audio_channels;
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263 SpecifierOpt *audio_sample_rate;
264 int nb_audio_sample_rate;
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265 SpecifierOpt *frame_rates;
266 int nb_frame_rates;
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267 SpecifierOpt *frame_sizes;
268 int nb_frame_sizes;
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269 SpecifierOpt *frame_pix_fmts;
270 int nb_frame_pix_fmts;
35e6f8c1 271
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272 /* input options */
273 int64_t input_ts_offset;
f4805328 274 int rate_emu;
6b779ccc 275
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276 SpecifierOpt *ts_scale;
277 int nb_ts_scale;
278
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279 /* output options */
280 StreamMap *stream_maps;
281 int nb_stream_maps;
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282 /* first item specifies output metadata, second is input */
283 MetadataMap (*meta_data_maps)[2];
284 int nb_meta_data_maps;
285 int metadata_global_manual;
286 int metadata_streams_manual;
287 int metadata_chapters_manual;
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288 const char **attachments;
289 int nb_attachments;
6b779ccc 290
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291 int chapters_input_file;
292
6b779ccc 293 int64_t recording_time;
13ccba50 294 uint64_t limit_filesize;
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295 float mux_preload;
296 float mux_max_delay;
039267f1 297
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298 int video_disable;
299 int audio_disable;
300 int subtitle_disable;
301 int data_disable;
302
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303 /* indexed by output file stream index */
304 int *streamid_map;
305 int nb_streamid_map;
306
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307 SpecifierOpt *metadata;
308 int nb_metadata;
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309 SpecifierOpt *max_frames;
310 int nb_max_frames;
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311 SpecifierOpt *bitstream_filters;
312 int nb_bitstream_filters;
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313 SpecifierOpt *codec_tags;
314 int nb_codec_tags;
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315 SpecifierOpt *sample_fmts;
316 int nb_sample_fmts;
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317 SpecifierOpt *qscale;
318 int nb_qscale;
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319 SpecifierOpt *forced_key_frames;
320 int nb_forced_key_frames;
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321 SpecifierOpt *force_fps;
322 int nb_force_fps;
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323 SpecifierOpt *frame_aspect_ratios;
324 int nb_frame_aspect_ratios;
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325 SpecifierOpt *rc_overrides;
326 int nb_rc_overrides;
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327 SpecifierOpt *intra_matrices;
328 int nb_intra_matrices;
329 SpecifierOpt *inter_matrices;
330 int nb_inter_matrices;
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331 SpecifierOpt *top_field_first;
332 int nb_top_field_first;
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333 SpecifierOpt *presets;
334 int nb_presets;
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335#if CONFIG_AVFILTER
336 SpecifierOpt *filters;
337 int nb_filters;
338#endif
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339} OptionsContext;
340
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341#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
342{\
343 int i, ret;\
344 for (i = 0; i < o->nb_ ## name; i++) {\
345 char *spec = o->name[i].specifier;\
346 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
347 outvar = o->name[i].u.type;\
348 else if (ret < 0)\
349 exit_program(1);\
350 }\
351}
352
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353static void reset_options(OptionsContext *o)
354{
355 const OptionDef *po = options;
356
357 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
358 while (po->name) {
359 void *dst = (uint8_t*)o + po->u.off;
360
361 if (po->flags & OPT_SPEC) {
362 SpecifierOpt **so = dst;
363 int i, *count = (int*)(so + 1);
364 for (i = 0; i < *count; i++) {
365 av_freep(&(*so)[i].specifier);
366 if (po->flags & OPT_STRING)
367 av_freep(&(*so)[i].u.str);
368 }
369 av_freep(so);
370 *count = 0;
371 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
372 av_freep(dst);
373 po++;
374 }
375
376 av_freep(&o->stream_maps);
847529f8 377 av_freep(&o->meta_data_maps);
495ecfd1 378 av_freep(&o->streamid_map);
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379
380 memset(o, 0, sizeof(*o));
6b779ccc 381
dc26318c 382 o->mux_max_delay = 0.7;
6b779ccc 383 o->recording_time = INT64_MAX;
13ccba50 384 o->limit_filesize = UINT64_MAX;
c5bb372e 385 o->chapters_input_file = INT_MAX;
6b779ccc 386
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387 uninit_opts();
388 init_opts();
389}
390
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391#if CONFIG_AVFILTER
392
393static int configure_video_filters(InputStream *ist, OutputStream *ost)
394{
395 AVFilterContext *last_filter, *filter;
396 /** filter graph containing all filters including input & output */
397 AVCodecContext *codec = ost->st->codec;
398 AVCodecContext *icodec = ist->st->codec;
399 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
400 AVRational sample_aspect_ratio;
401 char args[255];
402 int ret;
403
404 ost->graph = avfilter_graph_alloc();
405
406 if (ist->st->sample_aspect_ratio.num){
407 sample_aspect_ratio = ist->st->sample_aspect_ratio;
408 }else
409 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
410
411 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
412 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
413 sample_aspect_ratio.num, sample_aspect_ratio.den);
414
415 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
416 "src", args, NULL, ost->graph);
417 if (ret < 0)
418 return ret;
419 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
420 "out", NULL, &ffsink_ctx, ost->graph);
421 if (ret < 0)
422 return ret;
423 last_filter = ost->input_video_filter;
424
425 if (codec->width != icodec->width || codec->height != icodec->height) {
426 snprintf(args, 255, "%d:%d:flags=0x%X",
427 codec->width,
428 codec->height,
3b3ea346 429 (unsigned)ost->sws_flags);
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430 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
431 NULL, args, NULL, ost->graph)) < 0)
432 return ret;
433 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
434 return ret;
435 last_filter = filter;
436 }
437
3b3ea346 438 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
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439 ost->graph->scale_sws_opts = av_strdup(args);
440
441 if (ost->avfilter) {
442 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
443 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
444
445 outputs->name = av_strdup("in");
446 outputs->filter_ctx = last_filter;
447 outputs->pad_idx = 0;
448 outputs->next = NULL;
449
450 inputs->name = av_strdup("out");
451 inputs->filter_ctx = ost->output_video_filter;
452 inputs->pad_idx = 0;
453 inputs->next = NULL;
454
455 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
456 return ret;
457 av_freep(&ost->avfilter);
458 } else {
459 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
460 return ret;
461 }
462
463 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
464 return ret;
465
466 codec->width = ost->output_video_filter->inputs[0]->w;
467 codec->height = ost->output_video_filter->inputs[0]->h;
468 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
bb337b4f 469 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
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470 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
471 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
472
473 return 0;
474}
475#endif /* CONFIG_AVFILTER */
476
477static void term_exit(void)
478{
479 av_log(NULL, AV_LOG_QUIET, "");
480}
481
482static volatile int received_sigterm = 0;
483static volatile int received_nb_signals = 0;
484
485static void
486sigterm_handler(int sig)
487{
488 received_sigterm = sig;
489 received_nb_signals++;
490 term_exit();
491}
492
493static void term_init(void)
494{
495 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
496 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
497#ifdef SIGXCPU
498 signal(SIGXCPU, sigterm_handler);
499#endif
500}
501
502static int decode_interrupt_cb(void)
503{
504 return received_nb_signals > 1;
505}
506
dad09ff9 507void exit_program(int ret)
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508{
509 int i;
510
511 /* close files */
512 for(i=0;i<nb_output_files;i++) {
af70aa45 513 AVFormatContext *s = output_files[i].ctx;
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514 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
515 avio_close(s->pb);
516 avformat_free_context(s);
af70aa45 517 av_dict_free(&output_files[i].opts);
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518 }
519 for(i=0;i<nb_input_files;i++) {
520 av_close_input_file(input_files[i].ctx);
521 }
522 for (i = 0; i < nb_input_streams; i++)
523 av_dict_free(&input_streams[i].opts);
524
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525 if (vstats_file)
526 fclose(vstats_file);
527 av_free(vstats_filename);
528
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529 av_freep(&input_streams);
530 av_freep(&input_files);
4288e031 531 av_freep(&output_streams);
af70aa45 532 av_freep(&output_files);
6291d7e4 533
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534 uninit_opts();
535 av_free(audio_buf);
536 av_free(audio_out);
537 allocated_audio_buf_size= allocated_audio_out_size= 0;
538 av_free(samples);
539
540#if CONFIG_AVFILTER
541 avfilter_uninit();
542#endif
543
544 if (received_sigterm) {
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545 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
546 (int) received_sigterm);
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547 exit (255);
548 }
549
550 exit(ret); /* not all OS-es handle main() return value */
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551}
552
553static void assert_avoptions(AVDictionary *m)
554{
555 AVDictionaryEntry *t;
556 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
f24facd3 557 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
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558 exit_program(1);
559 }
560}
561
562static void assert_codec_experimental(AVCodecContext *c, int encoder)
563{
564 const char *codec_string = encoder ? "encoder" : "decoder";
565 AVCodec *codec;
566 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
567 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
f24facd3 568 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
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569 "results.\nAdd '-strict experimental' if you want to use it.\n",
570 codec_string, c->codec->name);
571 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
572 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
f24facd3 573 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
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574 codec_string, codec->name);
575 exit_program(1);
576 }
577}
578
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579static void choose_sample_fmt(AVStream *st, AVCodec *codec)
580{
581 if(codec && codec->sample_fmts){
582 const enum AVSampleFormat *p= codec->sample_fmts;
583 for(; *p!=-1; p++){
584 if(*p == st->codec->sample_fmt)
585 break;
586 }
587 if (*p == -1) {
588 av_log(NULL, AV_LOG_WARNING,
589 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
590 av_get_sample_fmt_name(st->codec->sample_fmt),
591 codec->name,
592 av_get_sample_fmt_name(codec->sample_fmts[0]));
593 st->codec->sample_fmt = codec->sample_fmts[0];
594 }
595 }
596}
597
598/**
599 * Update the requested input sample format based on the output sample format.
600 * This is currently only used to request float output from decoders which
601 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
602 * Ideally this will be removed in the future when decoders do not do format
603 * conversion and only output in their native format.
604 */
605static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
606 AVCodecContext *enc)
607{
608 /* if sample formats match or a decoder sample format has already been
609 requested, just return */
610 if (enc->sample_fmt == dec->sample_fmt ||
611 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
612 return;
613
614 /* if decoder supports more than one output format */
615 if (dec_codec && dec_codec->sample_fmts &&
616 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
617 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
618 const enum AVSampleFormat *p;
619 int min_dec = -1, min_inc = -1;
620
621 /* find a matching sample format in the encoder */
622 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
623 if (*p == enc->sample_fmt) {
624 dec->request_sample_fmt = *p;
625 return;
626 } else if (*p > enc->sample_fmt) {
627 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
628 } else
629 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
630 }
631
632 /* if none match, provide the one that matches quality closest */
633 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
634 enc->sample_fmt - min_dec;
635 }
636}
637
638static void choose_sample_rate(AVStream *st, AVCodec *codec)
639{
640 if(codec && codec->supported_samplerates){
641 const int *p= codec->supported_samplerates;
642 int best=0;
643 int best_dist=INT_MAX;
644 for(; *p; p++){
645 int dist= abs(st->codec->sample_rate - *p);
646 if(dist < best_dist){
647 best_dist= dist;
648 best= *p;
649 }
650 }
651 if(best_dist){
652 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
653 }
654 st->codec->sample_rate= best;
655 }
656}
657
658static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
659{
660 if(codec && codec->pix_fmts){
661 const enum PixelFormat *p= codec->pix_fmts;
662 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
663 if(st->codec->codec_id==CODEC_ID_MJPEG){
664 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
665 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
666 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};
667 }
668 }
669 for(; *p!=-1; p++){
670 if(*p == st->codec->pix_fmt)
671 break;
672 }
673 if (*p == -1) {
674 if(st->codec->pix_fmt != PIX_FMT_NONE)
675 av_log(NULL, AV_LOG_WARNING,
676 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
677 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
678 codec->name,
679 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
680 st->codec->pix_fmt = codec->pix_fmts[0];
681 }
682 }
683}
684
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685static double
686get_sync_ipts(const OutputStream *ost)
687{
688 const InputStream *ist = ost->sync_ist;
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689 OutputFile *of = &output_files[ost->file_index];
690 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
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691}
692
693static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
694 int ret;
695
696 while(bsfc){
697 AVPacket new_pkt= *pkt;
698 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
699 &new_pkt.data, &new_pkt.size,
700 pkt->data, pkt->size,
701 pkt->flags & AV_PKT_FLAG_KEY);
702 if(a>0){
703 av_free_packet(pkt);
704 new_pkt.destruct= av_destruct_packet;
705 } else if(a<0){
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706 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
707 bsfc->filter->name, pkt->stream_index,
708 avctx->codec ? avctx->codec->name : "copy");
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709 print_error("", a);
710 if (exit_on_error)
711 exit_program(1);
712 }
713 *pkt= new_pkt;
714
715 bsfc= bsfc->next;
716 }
717
718 ret= av_interleaved_write_frame(s, pkt);
719 if(ret < 0){
720 print_error("av_interleaved_write_frame()", ret);
721 exit_program(1);
722 }
723}
724
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725static void do_audio_out(AVFormatContext *s,
726 OutputStream *ost,
727 InputStream *ist,
728 unsigned char *buf, int size)
729{
730 uint8_t *buftmp;
731 int64_t audio_out_size, audio_buf_size;
732 int64_t allocated_for_size= size;
733
734 int size_out, frame_bytes, ret, resample_changed;
735 AVCodecContext *enc= ost->st->codec;
736 AVCodecContext *dec= ist->st->codec;
737 int osize = av_get_bytes_per_sample(enc->sample_fmt);
738 int isize = av_get_bytes_per_sample(dec->sample_fmt);
739 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
740
741need_realloc:
742 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
743 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
744 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
745 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
746 audio_buf_size*= osize*enc->channels;
747
748 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
749 if(coded_bps > 8*osize)
750 audio_out_size= audio_out_size * coded_bps / (8*osize);
751 audio_out_size += FF_MIN_BUFFER_SIZE;
752
753 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
e3245b26 754 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
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755 exit_program(1);
756 }
757
758 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
759 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
760 if (!audio_buf || !audio_out){
e3245b26 761 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
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762 exit_program(1);
763 }
764
765 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
766 ost->audio_resample = 1;
767
768 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
769 ost->resample_channels != dec->channels ||
770 ost->resample_sample_rate != dec->sample_rate;
771
772 if ((ost->audio_resample && !ost->resample) || resample_changed) {
773 if (resample_changed) {
774 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",
775 ist->file_index, ist->st->index,
776 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
777 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
778 ost->resample_sample_fmt = dec->sample_fmt;
779 ost->resample_channels = dec->channels;
780 ost->resample_sample_rate = dec->sample_rate;
781 if (ost->resample)
782 audio_resample_close(ost->resample);
783 }
784 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
785 if (audio_sync_method <= 1 &&
786 ost->resample_sample_fmt == enc->sample_fmt &&
787 ost->resample_channels == enc->channels &&
788 ost->resample_sample_rate == enc->sample_rate) {
789 ost->resample = NULL;
790 ost->audio_resample = 0;
791 } else if (ost->audio_resample) {
792 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
e3245b26 793 av_log(NULL, AV_LOG_WARNING, "Using s16 intermediate sample format for resampling\n");
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794 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
795 enc->sample_rate, dec->sample_rate,
796 enc->sample_fmt, dec->sample_fmt,
797 16, 10, 0, 0.8);
798 if (!ost->resample) {
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799 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
800 dec->channels, dec->sample_rate,
801 enc->channels, enc->sample_rate);
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802 exit_program(1);
803 }
804 }
805 }
806
807#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
808 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
809 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
810 if (ost->reformat_ctx)
811 av_audio_convert_free(ost->reformat_ctx);
812 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
813 dec->sample_fmt, 1, NULL, 0);
814 if (!ost->reformat_ctx) {
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815 av_log(NULL, AV_LOG_FATAL, "Cannot convert %s sample format to %s sample format\n",
816 av_get_sample_fmt_name(dec->sample_fmt),
817 av_get_sample_fmt_name(enc->sample_fmt));
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818 exit_program(1);
819 }
820 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
821 }
822
823 if(audio_sync_method){
824 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
825 - av_fifo_size(ost->fifo)/(enc->channels * 2);
826 double idelta= delta*dec->sample_rate / enc->sample_rate;
827 int byte_delta= ((int)idelta)*2*dec->channels;
828
829 //FIXME resample delay
830 if(fabs(delta) > 50){
831 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
832 if(byte_delta < 0){
833 byte_delta= FFMAX(byte_delta, -size);
834 size += byte_delta;
835 buf -= byte_delta;
e3245b26 836 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n", (int)-delta);
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837 if(!size)
838 return;
839 ist->is_start=0;
840 }else{
841 static uint8_t *input_tmp= NULL;
842 input_tmp= av_realloc(input_tmp, byte_delta + size);
843
844 if(byte_delta > allocated_for_size - size){
845 allocated_for_size= byte_delta + (int64_t)size;
846 goto need_realloc;
847 }
848 ist->is_start=0;
849
850 memset(input_tmp, 0, byte_delta);
851 memcpy(input_tmp + byte_delta, buf, size);
852 buf= input_tmp;
853 size += byte_delta;
e3245b26 854 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", (int)delta);
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855 }
856 }else if(audio_sync_method>1){
857 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
858 av_assert0(ost->audio_resample);
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859 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
860 delta, comp, enc->sample_rate);
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861// 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));
862 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
863 }
864 }
865 }else
866 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
867 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
868
869 if (ost->audio_resample) {
870 buftmp = audio_buf;
871 size_out = audio_resample(ost->resample,
872 (short *)buftmp, (short *)buf,
873 size / (dec->channels * isize));
874 size_out = size_out * enc->channels * osize;
875 } else {
876 buftmp = buf;
877 size_out = size;
878 }
879
880 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
881 const void *ibuf[6]= {buftmp};
882 void *obuf[6]= {audio_buf};
883 int istride[6]= {isize};
884 int ostride[6]= {osize};
885 int len= size_out/istride[0];
886 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
887 printf("av_audio_convert() failed\n");
888 if (exit_on_error)
889 exit_program(1);
890 return;
891 }
892 buftmp = audio_buf;
893 size_out = len*osize;
894 }
895
896 /* now encode as many frames as possible */
897 if (enc->frame_size > 1) {
898 /* output resampled raw samples */
899 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
e3245b26 900 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
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901 exit_program(1);
902 }
903 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
904
905 frame_bytes = enc->frame_size * osize * enc->channels;
906
907 while (av_fifo_size(ost->fifo) >= frame_bytes) {
908 AVPacket pkt;
909 av_init_packet(&pkt);
910
911 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
912
913 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
914
915 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
916 (short *)audio_buf);
917 if (ret < 0) {
e3245b26 918 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
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919 exit_program(1);
920 }
921 audio_size += ret;
922 pkt.stream_index= ost->index;
923 pkt.data= audio_out;
924 pkt.size= ret;
925 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
926 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
927 pkt.flags |= AV_PKT_FLAG_KEY;
928 write_frame(s, &pkt, enc, ost->bitstream_filters);
929
930 ost->sync_opts += enc->frame_size;
931 }
932 } else {
933 AVPacket pkt;
934 av_init_packet(&pkt);
935
936 ost->sync_opts += size_out / (osize * enc->channels);
937
938 /* output a pcm frame */
939 /* determine the size of the coded buffer */
940 size_out /= osize;
941 if (coded_bps)
942 size_out = size_out*coded_bps/8;
943
944 if(size_out > audio_out_size){
e3245b26 945 av_log(NULL, AV_LOG_FATAL, "Internal error, buffer size too small\n");
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946 exit_program(1);
947 }
948
949 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
950 ret = avcodec_encode_audio(enc, audio_out, size_out,
951 (short *)buftmp);
952 if (ret < 0) {
e3245b26 953 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
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954 exit_program(1);
955 }
956 audio_size += ret;
957 pkt.stream_index= ost->index;
958 pkt.data= audio_out;
959 pkt.size= ret;
960 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
961 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
962 pkt.flags |= AV_PKT_FLAG_KEY;
963 write_frame(s, &pkt, enc, ost->bitstream_filters);
964 }
965}
966
967static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
968{
969 AVCodecContext *dec;
970 AVPicture *picture2;
971 AVPicture picture_tmp;
972 uint8_t *buf = 0;
973
974 dec = ist->st->codec;
975
976 /* deinterlace : must be done before any resize */
977 if (do_deinterlace) {
978 int size;
979
980 /* create temporary picture */
981 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
982 buf = av_malloc(size);
983 if (!buf)
984 return;
985
986 picture2 = &picture_tmp;
987 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
988
989 if(avpicture_deinterlace(picture2, picture,
990 dec->pix_fmt, dec->width, dec->height) < 0) {
991 /* if error, do not deinterlace */
e3245b26 992 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
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993 av_free(buf);
994 buf = NULL;
995 picture2 = picture;
996 }
997 } else {
998 picture2 = picture;
999 }
1000
1001 if (picture != picture2)
1002 *picture = *picture2;
1003 *bufp = buf;
1004}
1005
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1006static void do_subtitle_out(AVFormatContext *s,
1007 OutputStream *ost,
1008 InputStream *ist,
1009 AVSubtitle *sub,
1010 int64_t pts)
1011{
1012 static uint8_t *subtitle_out = NULL;
1013 int subtitle_out_max_size = 1024 * 1024;
1014 int subtitle_out_size, nb, i;
1015 AVCodecContext *enc;
1016 AVPacket pkt;
1017
1018 if (pts == AV_NOPTS_VALUE) {
e3245b26 1019 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
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1020 if (exit_on_error)
1021 exit_program(1);
1022 return;
1023 }
1024
1025 enc = ost->st->codec;
1026
1027 if (!subtitle_out) {
1028 subtitle_out = av_malloc(subtitle_out_max_size);
1029 }
1030
1031 /* Note: DVB subtitle need one packet to draw them and one other
1032 packet to clear them */
1033 /* XXX: signal it in the codec context ? */
1034 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1035 nb = 2;
1036 else
1037 nb = 1;
1038
1039 for(i = 0; i < nb; i++) {
1040 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1041 // start_display_time is required to be 0
1042 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1043 sub->end_display_time -= sub->start_display_time;
1044 sub->start_display_time = 0;
1045 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1046 subtitle_out_max_size, sub);
1047 if (subtitle_out_size < 0) {
e3245b26 1048 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
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1049 exit_program(1);
1050 }
1051
1052 av_init_packet(&pkt);
1053 pkt.stream_index = ost->index;
1054 pkt.data = subtitle_out;
1055 pkt.size = subtitle_out_size;
1056 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1057 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1058 /* XXX: the pts correction is handled here. Maybe handling
1059 it in the codec would be better */
1060 if (i == 0)
1061 pkt.pts += 90 * sub->start_display_time;
1062 else
1063 pkt.pts += 90 * sub->end_display_time;
1064 }
1065 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1066 }
1067}
1068
1069static int bit_buffer_size= 1024*256;
1070static uint8_t *bit_buffer= NULL;
1071
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1072static void do_video_resample(OutputStream *ost,
1073 InputStream *ist,
1074 AVFrame *in_picture,
1075 AVFrame **out_picture)
6291d7e4 1076{
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1077 int resample_changed = 0;
1078 AVCodecContext *dec = ist->st->codec;
1079 *out_picture = in_picture;
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1080
1081 resample_changed = ost->resample_width != dec->width ||
1082 ost->resample_height != dec->height ||
1083 ost->resample_pix_fmt != dec->pix_fmt;
1084
1085 if (resample_changed) {
1086 av_log(NULL, AV_LOG_INFO,
1087 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1088 ist->file_index, ist->st->index,
1089 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1090 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1091 if(!ost->video_resample)
5c59fa56 1092 ost->video_resample = 1;
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1093 }
1094
1095#if !CONFIG_AVFILTER
1096 if (ost->video_resample) {
87ef060c 1097 *out_picture = &ost->pict_tmp;
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1098 if (resample_changed) {
1099 /* initialize a new scaler context */
1100 sws_freeContext(ost->img_resample_ctx);
1101 ost->img_resample_ctx = sws_getContext(
1102 ist->st->codec->width,
1103 ist->st->codec->height,
1104 ist->st->codec->pix_fmt,
1105 ost->st->codec->width,
1106 ost->st->codec->height,
1107 ost->st->codec->pix_fmt,
1108 ost->sws_flags, NULL, NULL, NULL);
1109 if (ost->img_resample_ctx == NULL) {
e3245b26 1110 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
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1111 exit_program(1);
1112 }
1113 }
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1114 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1115 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
6291d7e4 1116 }
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1117#else
1118 if (resample_changed) {
1119 avfilter_graph_free(&ost->graph);
1120 if (configure_video_filters(ist, ost)) {
e3245b26 1121 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
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1122 exit_program(1);
1123 }
1124 }
6291d7e4 1125#endif
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1126 if (resample_changed) {
1127 ost->resample_width = dec->width;
1128 ost->resample_height = dec->height;
1129 ost->resample_pix_fmt = dec->pix_fmt;
1130 }
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1131}
1132
1133
1134static void do_video_out(AVFormatContext *s,
1135 OutputStream *ost,
1136 InputStream *ist,
1137 AVFrame *in_picture,
1138 int *frame_size, float quality)
1139{
553735f5 1140 int nb_frames, i, ret, format_video_sync;
87ef060c 1141 AVFrame *final_picture;
f593628e 1142 AVCodecContext *enc;
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1143 double sync_ipts;
1144
1145 enc = ost->st->codec;
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1146
1147 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1148
1149 /* by default, we output a single frame */
1150 nb_frames = 1;
1151
1152 *frame_size = 0;
1153
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1154 format_video_sync = video_sync_method;
1155 if (format_video_sync < 0)
1156 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1157
1158 if (format_video_sync) {
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AC
1159 double vdelta = sync_ipts - ost->sync_opts;
1160 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1161 if (vdelta < -1.1)
1162 nb_frames = 0;
553735f5 1163 else if (format_video_sync == 2) {
87ef060c
AC
1164 if(vdelta<=-0.6){
1165 nb_frames=0;
1166 }else if(vdelta>0.6)
1167 ost->sync_opts= lrintf(sync_ipts);
1168 }else if (vdelta > 1.1)
1169 nb_frames = lrintf(vdelta);
1170//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);
1171 if (nb_frames == 0){
1172 ++nb_frames_drop;
e3245b26 1173 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
87ef060c
AC
1174 }else if (nb_frames > 1) {
1175 nb_frames_dup += nb_frames - 1;
e3245b26 1176 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames-1);
87ef060c
AC
1177 }
1178 }else
1179 ost->sync_opts= lrintf(sync_ipts);
1180
96139b5e 1181 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
87ef060c
AC
1182 if (nb_frames <= 0)
1183 return;
1184
1185 do_video_resample(ost, ist, in_picture, &final_picture);
6291d7e4
AK
1186
1187 /* duplicates frame if needed */
1188 for(i=0;i<nb_frames;i++) {
1189 AVPacket pkt;
1190 av_init_packet(&pkt);
1191 pkt.stream_index= ost->index;
1192
1193 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1194 /* raw pictures are written as AVPicture structure to
bb337b4f 1195 avoid any copies. We support temporarily the older
6291d7e4 1196 method. */
f593628e
AC
1197 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1198 enc->coded_frame->top_field_first = in_picture->top_field_first;
6291d7e4
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1199 pkt.data= (uint8_t *)final_picture;
1200 pkt.size= sizeof(AVPicture);
1201 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1202 pkt.flags |= AV_PKT_FLAG_KEY;
1203
1204 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
6291d7e4
AK
1205 } else {
1206 AVFrame big_picture;
1207
1208 big_picture= *final_picture;
1209 /* better than nothing: use input picture interlaced
1210 settings */
1211 big_picture.interlaced_frame = in_picture->interlaced_frame;
1212 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
828e0bcb 1213 if (ost->top_field_first == -1)
6291d7e4
AK
1214 big_picture.top_field_first = in_picture->top_field_first;
1215 else
828e0bcb 1216 big_picture.top_field_first = !!ost->top_field_first;
6291d7e4
AK
1217 }
1218
f4ad238c 1219 /* handles same_quant here. This is not correct because it may
6291d7e4
AK
1220 not be a global option */
1221 big_picture.quality = quality;
d242d80e 1222 if (!enc->me_threshold)
6291d7e4
AK
1223 big_picture.pict_type = 0;
1224// big_picture.pts = AV_NOPTS_VALUE;
1225 big_picture.pts= ost->sync_opts;
1226// big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1227//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1228 if (ost->forced_kf_index < ost->forced_kf_count &&
1229 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1230 big_picture.pict_type = AV_PICTURE_TYPE_I;
1231 ost->forced_kf_index++;
1232 }
1233 ret = avcodec_encode_video(enc,
1234 bit_buffer, bit_buffer_size,
1235 &big_picture);
1236 if (ret < 0) {
e3245b26 1237 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
6291d7e4
AK
1238 exit_program(1);
1239 }
1240
1241 if(ret>0){
1242 pkt.data= bit_buffer;
1243 pkt.size= ret;
1244 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1245 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1246/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1247 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1248 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1249
1250 if(enc->coded_frame->key_frame)
1251 pkt.flags |= AV_PKT_FLAG_KEY;
1252 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1253 *frame_size = ret;
1254 video_size += ret;
1255 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1256 // enc->frame_number-1, ret, enc->pict_type);
1257 /* if two pass, output log */
1258 if (ost->logfile && enc->stats_out) {
1259 fprintf(ost->logfile, "%s", enc->stats_out);
1260 }
1261 }
1262 }
1263 ost->sync_opts++;
1264 ost->frame_number++;
1265 }
1266}
1267
1268static double psnr(double d){
1269 return -10.0*log(d)/log(10.0);
1270}
1271
1272static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1273 int frame_size)
1274{
1275 AVCodecContext *enc;
1276 int frame_number;
1277 double ti1, bitrate, avg_bitrate;
1278
1279 /* this is executed just the first time do_video_stats is called */
1280 if (!vstats_file) {
1281 vstats_file = fopen(vstats_filename, "w");
1282 if (!vstats_file) {
1283 perror("fopen");
1284 exit_program(1);
1285 }
1286 }
1287
1288 enc = ost->st->codec;
1289 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1290 frame_number = ost->frame_number;
1291 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1292 if (enc->flags&CODEC_FLAG_PSNR)
1293 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1294
1295 fprintf(vstats_file,"f_size= %6d ", frame_size);
1296 /* compute pts value */
1297 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1298 if (ti1 < 0.01)
1299 ti1 = 0.01;
1300
1301 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1302 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1303 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1304 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1305 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1306 }
1307}
1308
af70aa45 1309static void print_report(OutputFile *output_files,
4288e031 1310 OutputStream *ost_table, int nb_ostreams,
c5ad2c2c 1311 int is_last_report, int64_t timer_start)
6291d7e4
AK
1312{
1313 char buf[1024];
1314 OutputStream *ost;
1315 AVFormatContext *oc;
1316 int64_t total_size;
1317 AVCodecContext *enc;
1318 int frame_number, vid, i;
1319 double bitrate, ti1, pts;
1320 static int64_t last_time = -1;
1321 static int qp_histogram[52];
1322
3460dd8a
AK
1323 if (!print_stats && !is_last_report)
1324 return;
1325
6291d7e4
AK
1326 if (!is_last_report) {
1327 int64_t cur_time;
1328 /* display the report every 0.5 seconds */
1329 cur_time = av_gettime();
1330 if (last_time == -1) {
1331 last_time = cur_time;
1332 return;
1333 }
1334 if ((cur_time - last_time) < 500000)
1335 return;
1336 last_time = cur_time;
1337 }
1338
1339
af70aa45 1340 oc = output_files[0].ctx;
6291d7e4
AK
1341
1342 total_size = avio_size(oc->pb);
1343 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1344 total_size= avio_tell(oc->pb);
1345
1346 buf[0] = '\0';
1347 ti1 = 1e10;
1348 vid = 0;
1349 for(i=0;i<nb_ostreams;i++) {
1350 float q = -1;
4288e031 1351 ost = &ost_table[i];
6291d7e4 1352 enc = ost->st->codec;
3d813e4c 1353 if (!ost->stream_copy && enc->coded_frame)
6291d7e4
AK
1354 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1355 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1356 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1357 }
1358 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1359 float t = (av_gettime()-timer_start) / 1000000.0;
1360
1361 frame_number = ost->frame_number;
1362 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1363 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1364 if(is_last_report)
1365 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1366 if(qp_hist){
1367 int j;
1368 int qp = lrintf(q);
1369 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1370 qp_histogram[qp]++;
1371 for(j=0; j<32; j++)
1372 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1373 }
1374 if (enc->flags&CODEC_FLAG_PSNR){
1375 int j;
1376 double error, error_sum=0;
1377 double scale, scale_sum=0;
1378 char type[3]= {'Y','U','V'};
1379 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1380 for(j=0; j<3; j++){
1381 if(is_last_report){
1382 error= enc->error[j];
1383 scale= enc->width*enc->height*255.0*255.0*frame_number;
1384 }else{
1385 error= enc->coded_frame->error[j];
1386 scale= enc->width*enc->height*255.0*255.0;
1387 }
1388 if(j) scale/=4;
1389 error_sum += error;
1390 scale_sum += scale;
1391 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1392 }
1393 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1394 }
1395 vid = 1;
1396 }
1397 /* compute min output value */
1398 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1399 if ((pts < ti1) && (pts > 0))
1400 ti1 = pts;
1401 }
1402 if (ti1 < 0.01)
1403 ti1 = 0.01;
1404
e3245b26 1405 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
6291d7e4 1406
e3245b26 1407 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
6291d7e4
AK
1408 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1409 (double)total_size / 1024, ti1, bitrate);
1410
e3245b26
AK
1411 if (nb_frames_dup || nb_frames_drop)
1412 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1413 nb_frames_dup, nb_frames_drop);
6291d7e4 1414
f5646a32 1415 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
6291d7e4 1416
e3245b26 1417 fflush(stderr);
6291d7e4 1418
e3245b26 1419 if (is_last_report) {
6291d7e4 1420 int64_t raw= audio_size + video_size + extra_size;
e3245b26
AK
1421 av_log(NULL, AV_LOG_INFO, "\n");
1422 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1423 video_size/1024.0,
1424 audio_size/1024.0,
1425 extra_size/1024.0,
1426 100.0*(total_size - raw)/raw
6291d7e4
AK
1427 );
1428 }
1429}
1430
1431static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1432{
1433 int fill_char = 0x00;
1434 if (sample_fmt == AV_SAMPLE_FMT_U8)
1435 fill_char = 0x80;
1436 memset(buf, fill_char, size);
1437}
1438
b62b5cb6 1439static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
4a4ce2e7
AK
1440{
1441 int i, ret;
1442
1443 for (i = 0; i < nb_ostreams; i++) {
6f1c66d5
AK
1444 OutputStream *ost = &ost_table[i];
1445 AVCodecContext *enc = ost->st->codec;
1446 AVFormatContext *os = output_files[ost->file_index].ctx;
1447
b62b5cb6 1448 if (!ost->encoding_needed)
6f1c66d5
AK
1449 continue;
1450
1451 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1452 continue;
1453 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1454 continue;
1455
1456 for(;;) {
1457 AVPacket pkt;
1458 int fifo_bytes;
1459 av_init_packet(&pkt);
1460 pkt.stream_index= ost->index;
1461
1462 switch (ost->st->codec->codec_type) {
1463 case AVMEDIA_TYPE_AUDIO:
1464 fifo_bytes = av_fifo_size(ost->fifo);
1465 ret = 0;
1466 /* encode any samples remaining in fifo */
1467 if (fifo_bytes > 0) {
1468 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1469 int fs_tmp = enc->frame_size;
1470
1471 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1472 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1473 enc->frame_size = fifo_bytes / (osize * enc->channels);
1474 } else { /* pad */
1475 int frame_bytes = enc->frame_size*osize*enc->channels;
1476 if (allocated_audio_buf_size < frame_bytes)
4a4ce2e7 1477 exit_program(1);
6f1c66d5 1478 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
4a4ce2e7
AK
1479 }
1480
6f1c66d5
AK
1481 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1482 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1483 ost->st->time_base.num, enc->sample_rate);
1484 enc->frame_size = fs_tmp;
1485 }
1486 if (ret <= 0) {
1487 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
4a4ce2e7 1488 }
6f1c66d5 1489 if (ret < 0) {
e3245b26 1490 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
6f1c66d5
AK
1491 exit_program(1);
1492 }
1493 audio_size += ret;
1494 pkt.flags |= AV_PKT_FLAG_KEY;
1495 break;
1496 case AVMEDIA_TYPE_VIDEO:
1497 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1498 if (ret < 0) {
e3245b26 1499 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
6f1c66d5
AK
1500 exit_program(1);
1501 }
1502 video_size += ret;
1503 if(enc->coded_frame && enc->coded_frame->key_frame)
1504 pkt.flags |= AV_PKT_FLAG_KEY;
1505 if (ost->logfile && enc->stats_out) {
1506 fprintf(ost->logfile, "%s", enc->stats_out);
1507 }
1508 break;
1509 default:
1510 ret=-1;
4a4ce2e7 1511 }
6f1c66d5
AK
1512
1513 if (ret <= 0)
1514 break;
1515 pkt.data = bit_buffer;
1516 pkt.size = ret;
1517 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1518 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1519 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
4a4ce2e7
AK
1520 }
1521 }
1522}
1523
6291d7e4
AK
1524/* pkt = NULL means EOF (needed to flush decoder buffers) */
1525static int output_packet(InputStream *ist, int ist_index,
4288e031 1526 OutputStream *ost_table, int nb_ostreams,
6291d7e4
AK
1527 const AVPacket *pkt)
1528{
1529 AVFormatContext *os;
1530 OutputStream *ost;
4bb0b31f 1531 int ret = 0, i;
6291d7e4 1532 int got_output;
6291d7e4
AK
1533 void *buffer_to_free = NULL;
1534 static unsigned int samples_size= 0;
1535 AVSubtitle subtitle, *subtitle_to_free;
1536 int64_t pkt_pts = AV_NOPTS_VALUE;
1537#if CONFIG_AVFILTER
1538 int frame_available;
1539#endif
1540 float quality;
1541
1542 AVPacket avpkt;
1543 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1544
1545 if(ist->next_pts == AV_NOPTS_VALUE)
1546 ist->next_pts= ist->pts;
1547
1548 if (pkt == NULL) {
1549 /* EOF handling */
1550 av_init_packet(&avpkt);
1551 avpkt.data = NULL;
1552 avpkt.size = 0;
1553 goto handle_eof;
1554 } else {
1555 avpkt = *pkt;
1556 }
1557
1558 if(pkt->dts != AV_NOPTS_VALUE)
1559 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1560 if(pkt->pts != AV_NOPTS_VALUE)
1561 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1562
1563 //while we have more to decode or while the decoder did output something on EOF
1564 while (avpkt.size > 0 || (!pkt && got_output)) {
1565 uint8_t *data_buf, *decoded_data_buf;
1566 int data_size, decoded_data_size;
d3c1d37a 1567 AVFrame *decoded_frame, *filtered_frame;
6291d7e4
AK
1568 handle_eof:
1569 ist->pts= ist->next_pts;
1570
e3245b26
AK
1571 if(avpkt.size && avpkt.size != pkt->size)
1572 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1573 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
6291d7e4 1574 ist->showed_multi_packet_warning=1;
6291d7e4
AK
1575
1576 /* decode the packet if needed */
d3c1d37a 1577 decoded_frame = filtered_frame = NULL;
6291d7e4
AK
1578 decoded_data_buf = NULL; /* fail safe */
1579 decoded_data_size= 0;
1580 data_buf = avpkt.data;
1581 data_size = avpkt.size;
1582 subtitle_to_free = NULL;
1583 if (ist->decoding_needed) {
1584 switch(ist->st->codec->codec_type) {
1585 case AVMEDIA_TYPE_AUDIO:{
af3c06b4
AC
1586 if(pkt && samples_size < FFMAX(pkt->size * bps, AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1587 samples_size = FFMAX(pkt->size * bps, AVCODEC_MAX_AUDIO_FRAME_SIZE);
6291d7e4
AK
1588 av_free(samples);
1589 samples= av_malloc(samples_size);
1590 }
1591 decoded_data_size= samples_size;
1592 /* XXX: could avoid copy if PCM 16 bits with same
1593 endianness as CPU */
1594 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1595 &avpkt);
1596 if (ret < 0)
1597 return ret;
1598 avpkt.data += ret;
1599 avpkt.size -= ret;
1600 data_size = ret;
1601 got_output = decoded_data_size > 0;
1602 /* Some bug in mpeg audio decoder gives */
1603 /* decoded_data_size < 0, it seems they are overflows */
1604 if (!got_output) {
1605 /* no audio frame */
1606 continue;
1607 }
1608 decoded_data_buf = (uint8_t *)samples;
1609 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1610 (ist->st->codec->sample_rate * ist->st->codec->channels);
1611 break;}
1612 case AVMEDIA_TYPE_VIDEO:
d3c1d37a
AK
1613 if (!(decoded_frame = avcodec_alloc_frame()))
1614 return AVERROR(ENOMEM);
6291d7e4
AK
1615 avpkt.pts = pkt_pts;
1616 avpkt.dts = ist->pts;
1617 pkt_pts = AV_NOPTS_VALUE;
1618
1619 ret = avcodec_decode_video2(ist->st->codec,
d3c1d37a
AK
1620 decoded_frame, &got_output, &avpkt);
1621 quality = same_quant ? decoded_frame->quality : 0;
6291d7e4 1622 if (ret < 0)
d3c1d37a 1623 goto fail;
6291d7e4
AK
1624 if (!got_output) {
1625 /* no picture yet */
d3c1d37a 1626 av_freep(&decoded_frame);
6291d7e4
AK
1627 goto discard_packet;
1628 }
d3c1d37a
AK
1629 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1630 decoded_frame->pkt_dts);
6291d7e4
AK
1631 if (ist->st->codec->time_base.num != 0) {
1632 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1633 ist->next_pts += ((int64_t)AV_TIME_BASE *
1634 ist->st->codec->time_base.num * ticks) /
1635 ist->st->codec->time_base.den;
1636 }
1637 avpkt.size = 0;
1638 buffer_to_free = NULL;
d3c1d37a 1639 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
6291d7e4
AK
1640 break;
1641 case AVMEDIA_TYPE_SUBTITLE:
1642 ret = avcodec_decode_subtitle2(ist->st->codec,
1643 &subtitle, &got_output, &avpkt);
1644 if (ret < 0)
1645 return ret;
1646 if (!got_output) {
1647 goto discard_packet;
1648 }
1649 subtitle_to_free = &subtitle;
1650 avpkt.size = 0;
1651 break;
1652 default:
1653 return -1;
1654 }
1655 } else {
1656 switch(ist->st->codec->codec_type) {
1657 case AVMEDIA_TYPE_AUDIO:
1658 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1659 ist->st->codec->sample_rate;
1660 break;
1661 case AVMEDIA_TYPE_VIDEO:
1662 if (ist->st->codec->time_base.num != 0) {
1663 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1664 ist->next_pts += ((int64_t)AV_TIME_BASE *
1665 ist->st->codec->time_base.num * ticks) /
1666 ist->st->codec->time_base.den;
1667 }
1668 break;
1669 }
6291d7e4
AK
1670 avpkt.size = 0;
1671 }
1672
6291d7e4
AK
1673 // preprocess audio (volume)
1674 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1675 if (audio_volume != 256) {
a9a03377
AC
1676 switch (ist->st->codec->sample_fmt) {
1677 case AV_SAMPLE_FMT_U8:
1678 {
1679 uint8_t *volp = samples;
1680 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1681 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1682 *volp++ = av_clip_uint8(v);
1683 }
1684 break;
1685 }
1686 case AV_SAMPLE_FMT_S16:
1687 {
daf98908
AC
1688 int16_t *volp = samples;
1689 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1690 int v = ((*volp) * audio_volume + 128) >> 8;
1691 *volp++ = av_clip_int16(v);
1692 }
1693 break;
a9a03377
AC
1694 }
1695 case AV_SAMPLE_FMT_S32:
1696 {
1697 int32_t *volp = samples;
1698 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1699 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1700 *volp++ = av_clipl_int32(v);
1701 }
1702 break;
1703 }
1704 case AV_SAMPLE_FMT_FLT:
1705 {
1706 float *volp = samples;
1707 float scale = audio_volume / 256.f;
1708 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1709 *volp++ *= scale;
1710 }
1711 break;
1712 }
1713 case AV_SAMPLE_FMT_DBL:
1714 {
1715 double *volp = samples;
1716 double scale = audio_volume / 256.;
1717 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1718 *volp++ *= scale;
1719 }
1720 break;
1721 }
1722 default:
1723 av_log(NULL, AV_LOG_FATAL,
1724 "Audio volume adjustment on sample format %s is not supported.\n",
1725 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1726 exit_program(1);
1727 }
6291d7e4
AK
1728 }
1729 }
1730
1731 /* frame rate emulation */
f4805328 1732 if (input_files[ist->file_index].rate_emu) {
6291d7e4
AK
1733 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1734 int64_t now = av_gettime() - ist->start;
1735 if (pts > now)
1736 usleep(pts - now);
1737 }
1738 /* if output time reached then transcode raw format,
1739 encode packets and output them */
ea065176 1740 for (i = 0; i < nb_ostreams; i++) {
45f86128
AK
1741 OutputFile *of = &output_files[ost_table[i].file_index];
1742 int frame_size;
6291d7e4 1743
45f86128
AK
1744 ost = &ost_table[i];
1745 if (ost->source_index != ist_index)
1746 continue;
f1176d41 1747
45f86128
AK
1748 if (of->start_time && ist->pts < of->start_time)
1749 continue;
ea065176 1750
45f86128
AK
1751 if (of->recording_time != INT64_MAX &&
1752 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1753 (AVRational){1, 1000000}) >= 0) {
1754 ost->is_past_recording_time = 1;
1755 continue;
1756 }
ef44a607 1757
6291d7e4 1758#if CONFIG_AVFILTER
45f86128
AK
1759 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1760 ost->input_video_filter) {
1761 AVRational sar;
1762 if (ist->st->sample_aspect_ratio.num)
1763 sar = ist->st->sample_aspect_ratio;
1764 else
1765 sar = ist->st->codec->sample_aspect_ratio;
d3c1d37a
AK
1766 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, ist->pts, sar);
1767 if (!(filtered_frame = avcodec_alloc_frame())) {
1768 ret = AVERROR(ENOMEM);
1769 goto fail;
1770 }
45f86128
AK
1771 }
1772 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1773 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1774 while (frame_available) {
1775 AVRational ist_pts_tb;
1776 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
d3c1d37a 1777 get_filtered_video_frame(ost->output_video_filter, filtered_frame, &ost->picref, &ist_pts_tb);
45f86128
AK
1778 if (ost->picref)
1779 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
d3c1d37a
AK
1780#else
1781 filtered_frame = decoded_frame;
6291d7e4 1782#endif
45f86128
AK
1783 os = output_files[ost->file_index].ctx;
1784
1785 /* set the input output pts pairs */
1786 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1787
1788 if (ost->encoding_needed) {
1789 av_assert0(ist->decoding_needed);
1790 switch(ost->st->codec->codec_type) {
1791 case AVMEDIA_TYPE_AUDIO:
1792 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1793 break;
1794 case AVMEDIA_TYPE_VIDEO:
6291d7e4 1795#if CONFIG_AVFILTER
45f86128
AK
1796 if (ost->picref->video && !ost->frame_aspect_ratio)
1797 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
6291d7e4 1798#endif
d3c1d37a 1799 do_video_out(os, ost, ist, filtered_frame, &frame_size,
45f86128
AK
1800 same_quant ? quality : ost->st->codec->global_quality);
1801 if (vstats_filename && frame_size)
1802 do_video_stats(os, ost, frame_size);
1803 break;
1804 case AVMEDIA_TYPE_SUBTITLE:
1805 do_subtitle_out(os, ost, ist, &subtitle,
1806 pkt->pts);
1807 break;
1808 default:
1809 abort();
1810 }
1811 } else {
45f86128
AK
1812 AVPacket opkt;
1813 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
6291d7e4 1814
45f86128 1815 av_init_packet(&opkt);
6291d7e4 1816
45f86128 1817 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
6291d7e4 1818#if !CONFIG_AVFILTER
45f86128 1819 continue;
6291d7e4 1820#else
45f86128 1821 goto cont;
6291d7e4
AK
1822#endif
1823
45f86128
AK
1824 /* no reencoding needed : output the packet directly */
1825 /* force the input stream PTS */
1826
45f86128
AK
1827 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1828 audio_size += data_size;
1829 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1830 video_size += data_size;
1831 ost->sync_opts++;
6291d7e4 1832 }
45f86128
AK
1833
1834 opkt.stream_index= ost->index;
1835 if(pkt->pts != AV_NOPTS_VALUE)
1836 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1837 else
1838 opkt.pts= AV_NOPTS_VALUE;
1839
1840 if (pkt->dts == AV_NOPTS_VALUE)
1841 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1842 else
1843 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1844 opkt.dts -= ost_tb_start_time;
1845
1846 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1847 opkt.flags= pkt->flags;
1848
1849 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1850 if( ost->st->codec->codec_id != CODEC_ID_H264
1851 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1852 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1853 ) {
1854 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1855 opkt.destruct= av_destruct_packet;
1856 } else {
1857 opkt.data = data_buf;
1858 opkt.size = data_size;
1859 }
1860
1861 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1862 ost->st->codec->frame_number++;
1863 ost->frame_number++;
1864 av_free_packet(&opkt);
6291d7e4 1865 }
45f86128
AK
1866#if CONFIG_AVFILTER
1867 cont:
1868 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1869 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1870 if (ost->picref)
1871 avfilter_unref_buffer(ost->picref);
1872 }
d3c1d37a 1873 av_freep(&filtered_frame);
6291d7e4 1874#endif
6291d7e4
AK
1875 }
1876
d3c1d37a 1877fail:
6291d7e4
AK
1878 av_free(buffer_to_free);
1879 /* XXX: allocate the subtitles in the codec ? */
1880 if (subtitle_to_free) {
1881 avsubtitle_free(subtitle_to_free);
1882 subtitle_to_free = NULL;
1883 }
d3c1d37a
AK
1884 av_freep(&decoded_frame);
1885 if (ret < 0)
1886 return ret;
6291d7e4
AK
1887 }
1888 discard_packet:
6291d7e4
AK
1889
1890 return 0;
1891}
1892
af70aa45 1893static void print_sdp(OutputFile *output_files, int n)
6291d7e4
AK
1894{
1895 char sdp[2048];
af70aa45
AK
1896 int i;
1897 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1898
1899 if (!avc)
1900 exit_program(1);
1901 for (i = 0; i < n; i++)
1902 avc[i] = output_files[i].ctx;
6291d7e4
AK
1903
1904 av_sdp_create(avc, n, sdp, sizeof(sdp));
1905 printf("SDP:\n%s\n", sdp);
1906 fflush(stdout);
af70aa45 1907 av_freep(&avc);
6291d7e4
AK
1908}
1909
630902a1
AK
1910static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1911 char *error, int error_len)
1912{
1913 int i;
1914 InputStream *ist = &input_streams[ist_index];
1915 if (ist->decoding_needed) {
1916 AVCodec *codec = ist->dec;
630902a1 1917 if (!codec) {
62486948 1918 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d.%d",
630902a1
AK
1919 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1920 return AVERROR(EINVAL);
1921 }
1922
1923 /* update requested sample format for the decoder based on the
1924 corresponding encoder sample format */
1925 for (i = 0; i < nb_output_streams; i++) {
1926 OutputStream *ost = &output_streams[i];
1927 if (ost->source_index == ist_index) {
1928 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1929 break;
1930 }
1931 }
1932
1933 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
62486948 1934 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
630902a1
AK
1935 ist->file_index, ist->st->index);
1936 return AVERROR(EINVAL);
1937 }
1938 assert_codec_experimental(ist->st->codec, 0);
1939 assert_avoptions(ist->opts);
1940 }
1941
1942 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;
1943 ist->next_pts = AV_NOPTS_VALUE;
1944 init_pts_correction(&ist->pts_ctx);
1945 ist->is_start = 1;
1946
1947 return 0;
1948}
1949
eaf2d37a
AC
1950static int transcode_init(OutputFile *output_files,
1951 int nb_output_files,
1952 InputFile *input_files,
1953 int nb_input_files)
6291d7e4 1954{
2c474ddb 1955 int ret = 0, i, j, k;
eaf2d37a 1956 AVFormatContext *os;
6291d7e4 1957 AVCodecContext *codec, *icodec;
4288e031 1958 OutputStream *ost;
6291d7e4
AK
1959 InputStream *ist;
1960 char error[1024];
1961 int want_sdp = 1;
b0c9e8e0 1962
f4805328
AK
1963 /* init framerate emulation */
1964 for (i = 0; i < nb_input_files; i++) {
1965 InputFile *ifile = &input_files[i];
1966 if (ifile->rate_emu)
1967 for (j = 0; j < ifile->nb_streams; j++)
1968 input_streams[j + ifile->ist_index].start = av_gettime();
1969 }
6291d7e4
AK
1970
1971 /* output stream init */
6291d7e4 1972 for(i=0;i<nb_output_files;i++) {
af70aa45 1973 os = output_files[i].ctx;
6291d7e4 1974 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
af70aa45 1975 av_dump_format(os, i, os->filename, 1);
e3245b26 1976 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
eaf2d37a 1977 return AVERROR(EINVAL);
6291d7e4 1978 }
6291d7e4
AK
1979 }
1980
1981 /* for each output stream, we compute the right encoding parameters */
4288e031
AK
1982 for (i = 0; i < nb_output_streams; i++) {
1983 ost = &output_streams[i];
af70aa45 1984 os = output_files[ost->file_index].ctx;
6291d7e4
AK
1985 ist = &input_streams[ost->source_index];
1986
4dbc6cee
AK
1987 if (ost->attachment_filename)
1988 continue;
1989
6291d7e4
AK
1990 codec = ost->st->codec;
1991 icodec = ist->st->codec;
1992
6291d7e4
AK
1993 ost->st->disposition = ist->st->disposition;
1994 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1995 codec->chroma_sample_location = icodec->chroma_sample_location;
1996
3d813e4c 1997 if (ost->stream_copy) {
6291d7e4
AK
1998 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1999
e6d2b737 2000 if (extra_size > INT_MAX) {
eaf2d37a 2001 return AVERROR(EINVAL);
e6d2b737 2002 }
6291d7e4
AK
2003
2004 /* if stream_copy is selected, no need to decode or encode */
2005 codec->codec_id = icodec->codec_id;
2006 codec->codec_type = icodec->codec_type;
2007
2008 if(!codec->codec_tag){
2009 if( !os->oformat->codec_tag
2010 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2011 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2012 codec->codec_tag = icodec->codec_tag;
2013 }
2014
2015 codec->bit_rate = icodec->bit_rate;
2016 codec->rc_max_rate = icodec->rc_max_rate;
2017 codec->rc_buffer_size = icodec->rc_buffer_size;
2018 codec->extradata= av_mallocz(extra_size);
e6d2b737 2019 if (!codec->extradata) {
eaf2d37a 2020 return AVERROR(ENOMEM);
e6d2b737 2021 }
6291d7e4
AK
2022 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2023 codec->extradata_size= icodec->extradata_size;
2024 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){
2025 codec->time_base = icodec->time_base;
2026 codec->time_base.num *= icodec->ticks_per_frame;
2027 av_reduce(&codec->time_base.num, &codec->time_base.den,
2028 codec->time_base.num, codec->time_base.den, INT_MAX);
2029 }else
2030 codec->time_base = ist->st->time_base;
2031 switch(codec->codec_type) {
2032 case AVMEDIA_TYPE_AUDIO:
2033 if(audio_volume != 256) {
e3245b26 2034 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
6291d7e4
AK
2035 exit_program(1);
2036 }
2037 codec->channel_layout = icodec->channel_layout;
2038 codec->sample_rate = icodec->sample_rate;
2039 codec->channels = icodec->channels;
2040 codec->frame_size = icodec->frame_size;
2041 codec->audio_service_type = icodec->audio_service_type;
2042 codec->block_align= icodec->block_align;
2043 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2044 codec->block_align= 0;
2045 if(codec->codec_id == CODEC_ID_AC3)
2046 codec->block_align= 0;
2047 break;
2048 case AVMEDIA_TYPE_VIDEO:
2049 codec->pix_fmt = icodec->pix_fmt;
2050 codec->width = icodec->width;
2051 codec->height = icodec->height;
2052 codec->has_b_frames = icodec->has_b_frames;
2053 if (!codec->sample_aspect_ratio.num) {
2054 codec->sample_aspect_ratio =
2055 ost->st->sample_aspect_ratio =
2056 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2057 ist->st->codec->sample_aspect_ratio.num ?
2058 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2059 }
2060 break;
2061 case AVMEDIA_TYPE_SUBTITLE:
2062 codec->width = icodec->width;
2063 codec->height = icodec->height;
2064 break;
2065 case AVMEDIA_TYPE_DATA:
3ccd1580 2066 case AVMEDIA_TYPE_ATTACHMENT:
6291d7e4
AK
2067 break;
2068 default:
2069 abort();
2070 }
2071 } else {
2072 if (!ost->enc)
2073 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
11fdb7e1
AK
2074 ist->decoding_needed = 1;
2075 ost->encoding_needed = 1;
6291d7e4
AK
2076 switch(codec->codec_type) {
2077 case AVMEDIA_TYPE_AUDIO:
2078 ost->fifo= av_fifo_alloc(1024);
e6d2b737 2079 if (!ost->fifo) {
eaf2d37a 2080 return AVERROR(ENOMEM);
e6d2b737 2081 }
6291d7e4 2082 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
d0a19696 2083 if (!codec->sample_rate)
6291d7e4 2084 codec->sample_rate = icodec->sample_rate;
6291d7e4
AK
2085 choose_sample_rate(ost->st, ost->enc);
2086 codec->time_base = (AVRational){1, codec->sample_rate};
2087 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2088 codec->sample_fmt = icodec->sample_fmt;
2089 choose_sample_fmt(ost->st, ost->enc);
2090 if (!codec->channels)
2091 codec->channels = icodec->channels;
2092 codec->channel_layout = icodec->channel_layout;
2093 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2094 codec->channel_layout = 0;
2095 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2096 icodec->request_channels = codec->channels;
6291d7e4
AK
2097 ost->resample_sample_fmt = icodec->sample_fmt;
2098 ost->resample_sample_rate = icodec->sample_rate;
2099 ost->resample_channels = icodec->channels;
2100 break;
2101 case AVMEDIA_TYPE_VIDEO:
2102 if (codec->pix_fmt == PIX_FMT_NONE)
2103 codec->pix_fmt = icodec->pix_fmt;
2104 choose_pixel_fmt(ost->st, ost->enc);
2105
2106 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
e3245b26 2107 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
6291d7e4
AK
2108 exit_program(1);
2109 }
2110
2111 if (!codec->width || !codec->height) {
2112 codec->width = icodec->width;
2113 codec->height = icodec->height;
2114 }
2115
2116 ost->video_resample = codec->width != icodec->width ||
2117 codec->height != icodec->height ||
2118 codec->pix_fmt != icodec->pix_fmt;
2119 if (ost->video_resample) {
2120#if !CONFIG_AVFILTER
2121 avcodec_get_frame_defaults(&ost->pict_tmp);
2122 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2123 codec->width, codec->height)) {
e3245b26 2124 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
6291d7e4
AK
2125 exit_program(1);
2126 }
2127 ost->img_resample_ctx = sws_getContext(
2128 icodec->width,
2129 icodec->height,
2130 icodec->pix_fmt,
2131 codec->width,
2132 codec->height,
2133 codec->pix_fmt,
2134 ost->sws_flags, NULL, NULL, NULL);
2135 if (ost->img_resample_ctx == NULL) {
e3245b26 2136 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
6291d7e4
AK
2137 exit_program(1);
2138 }
2139#endif
2140 codec->bits_per_raw_sample= 0;
2141 }
2142
2143 ost->resample_height = icodec->height;
2144 ost->resample_width = icodec->width;
2145 ost->resample_pix_fmt= icodec->pix_fmt;
6291d7e4
AK
2146
2147 if (!ost->frame_rate.num)
2148 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
bef737a7 2149 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
6291d7e4
AK
2150 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2151 ost->frame_rate = ost->enc->supported_framerates[idx];
2152 }
2153 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2154
2155#if CONFIG_AVFILTER
2156 if (configure_video_filters(ist, ost)) {
e3245b26 2157 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
6291d7e4
AK
2158 exit(1);
2159 }
2160#endif
2161 break;
2162 case AVMEDIA_TYPE_SUBTITLE:
6291d7e4
AK
2163 break;
2164 default:
2165 abort();
2166 break;
2167 }
2168 /* two pass mode */
515901fa 2169 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
6291d7e4
AK
2170 char logfilename[1024];
2171 FILE *f;
2172
2173 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2174 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2175 i);
2176 if (codec->flags & CODEC_FLAG_PASS1) {
2177 f = fopen(logfilename, "wb");
2178 if (!f) {
e3245b26
AK
2179 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2180 logfilename, strerror(errno));
6291d7e4
AK
2181 exit_program(1);
2182 }
2183 ost->logfile = f;
2184 } else {
2185 char *logbuffer;
2186 size_t logbuffer_size;
02170990 2187 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
e3245b26
AK
2188 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2189 logfilename);
6291d7e4
AK
2190 exit_program(1);
2191 }
2192 codec->stats_in = logbuffer;
2193 }
2194 }
2195 }
2196 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2197 int size= codec->width * codec->height;
2198 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2199 }
2200 }
2201
2202 if (!bit_buffer)
2203 bit_buffer = av_malloc(bit_buffer_size);
2204 if (!bit_buffer) {
e3245b26
AK
2205 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2206 bit_buffer_size);
eaf2d37a 2207 return AVERROR(ENOMEM);
6291d7e4
AK
2208 }
2209
2210 /* open each encoder */
4288e031
AK
2211 for (i = 0; i < nb_output_streams; i++) {
2212 ost = &output_streams[i];
6291d7e4
AK
2213 if (ost->encoding_needed) {
2214 AVCodec *codec = ost->enc;
2215 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2216 if (!codec) {
2217 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2218 ost->st->codec->codec_id, ost->file_index, ost->index);
2219 ret = AVERROR(EINVAL);
2220 goto dump_format;
2221 }
2222 if (dec->subtitle_header) {
2223 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2224 if (!ost->st->codec->subtitle_header) {
2225 ret = AVERROR(ENOMEM);
2226 goto dump_format;
2227 }
2228 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2229 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2230 }
2231 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2232 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2233 ost->file_index, ost->index);
2234 ret = AVERROR(EINVAL);
2235 goto dump_format;
2236 }
2237 assert_codec_experimental(ost->st->codec, 1);
2238 assert_avoptions(ost->opts);
2239 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2240 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2241 "It takes bits/s as argument, not kbits/s\n");
2242 extra_size += ost->st->codec->extradata_size;
d242d80e
AK
2243
2244 if (ost->st->codec->me_threshold)
2245 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
6291d7e4
AK
2246 }
2247 }
2248
630902a1
AK
2249 /* init input streams */
2250 for (i = 0; i < nb_input_streams; i++)
62486948 2251 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
630902a1 2252 goto dump_format;
6291d7e4 2253
2c474ddb
AK
2254 /* discard unused programs */
2255 for (i = 0; i < nb_input_files; i++) {
2256 InputFile *ifile = &input_files[i];
2257 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2258 AVProgram *p = ifile->ctx->programs[j];
2259 int discard = AVDISCARD_ALL;
2260
2261 for (k = 0; k < p->nb_stream_indexes; k++)
2262 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2263 discard = AVDISCARD_DEFAULT;
2264 break;
2265 }
2266 p->discard = discard;
2267 }
2268 }
2269
6291d7e4 2270 /* open files and write file headers */
af70aa45
AK
2271 for (i = 0; i < nb_output_files; i++) {
2272 os = output_files[i].ctx;
2273 if (avformat_write_header(os, &output_files[i].opts) < 0) {
6291d7e4
AK
2274 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2275 ret = AVERROR(EINVAL);
2276 goto dump_format;
2277 }
af70aa45
AK
2278 assert_avoptions(output_files[i].opts);
2279 if (strcmp(os->oformat->name, "rtp")) {
6291d7e4
AK
2280 want_sdp = 0;
2281 }
2282 }
2283
2284 dump_format:
2285 /* dump the file output parameters - cannot be done before in case
2286 of stream copy */
2287 for(i=0;i<nb_output_files;i++) {
af70aa45 2288 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
6291d7e4
AK
2289 }
2290
2291 /* dump the stream mapping */
e3245b26
AK
2292 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2293 for (i = 0; i < nb_output_streams; i++) {
2294 ost = &output_streams[i];
4dbc6cee
AK
2295
2296 if (ost->attachment_filename) {
2297 /* an attached file */
2298 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2299 ost->attachment_filename, ost->file_index, ost->index);
2300 continue;
2301 }
e3245b26
AK
2302 av_log(NULL, AV_LOG_INFO, " Stream #%d.%d -> #%d.%d",
2303 input_streams[ost->source_index].file_index,
2304 input_streams[ost->source_index].st->index,
2305 ost->file_index,
2306 ost->index);
2307 if (ost->sync_ist != &input_streams[ost->source_index])
2308 av_log(NULL, AV_LOG_INFO, " [sync #%d.%d]",
2309 ost->sync_ist->file_index,
2310 ost->sync_ist->st->index);
3d813e4c 2311 if (ost->stream_copy)
e3245b26
AK
2312 av_log(NULL, AV_LOG_INFO, " (copy)");
2313 else
2314 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2315 input_streams[ost->source_index].dec->name : "?",
2316 ost->enc ? ost->enc->name : "?");
2317 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
2318 }
2319
2320 if (ret) {
e3245b26 2321 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 2322 return ret;
6291d7e4
AK
2323 }
2324
2325 if (want_sdp) {
2326 print_sdp(output_files, nb_output_files);
2327 }
2328
eaf2d37a
AC
2329 return 0;
2330}
2331
2332/*
2333 * The following code is the main loop of the file converter
2334 */
2335static int transcode(OutputFile *output_files,
2336 int nb_output_files,
2337 InputFile *input_files,
2338 int nb_input_files)
2339{
2340 int ret, i;
2341 AVFormatContext *is, *os;
2342 OutputStream *ost;
2343 InputStream *ist;
2344 uint8_t *no_packet;
2345 int no_packet_count=0;
2346 int64_t timer_start;
2347
2348 if (!(no_packet = av_mallocz(nb_input_files)))
2349 exit_program(1);
2350
2351 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2352 if (ret < 0)
2353 goto fail;
2354
e3245b26 2355 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2356 term_init();
2357
2358 timer_start = av_gettime();
2359
2360 for(; received_sigterm == 0;) {
2361 int file_index, ist_index;
2362 AVPacket pkt;
9be3c124 2363 int64_t ipts_min;
6291d7e4
AK
2364 double opts_min;
2365
9be3c124 2366 ipts_min = INT64_MAX;
6291d7e4
AK
2367 opts_min= 1e100;
2368
2369 /* select the stream that we must read now by looking at the
2370 smallest output pts */
2371 file_index = -1;
4288e031 2372 for (i = 0; i < nb_output_streams; i++) {
f21f294e 2373 OutputFile *of;
9be3c124
AC
2374 int64_t ipts;
2375 double opts;
4288e031 2376 ost = &output_streams[i];
f21f294e 2377 of = &output_files[ost->file_index];
af70aa45 2378 os = output_files[ost->file_index].ctx;
6291d7e4 2379 ist = &input_streams[ost->source_index];
f21f294e
AK
2380 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2381 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
6291d7e4 2382 continue;
c0931508 2383 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
9be3c124 2384 ipts = ist->pts;
6291d7e4
AK
2385 if (!input_files[ist->file_index].eof_reached){
2386 if(ipts < ipts_min) {
2387 ipts_min = ipts;
2388 if(input_sync ) file_index = ist->file_index;
2389 }
2390 if(opts < opts_min) {
2391 opts_min = opts;
2392 if(!input_sync) file_index = ist->file_index;
2393 }
2394 }
96139b5e
AK
2395 if (ost->frame_number >= ost->max_frames) {
2396 int j;
9b921a82
AK
2397 for (j = 0; j < of->ctx->nb_streams; j++)
2398 output_streams[of->ost_index + j].is_past_recording_time = 1;
96139b5e 2399 continue;
6291d7e4
AK
2400 }
2401 }
2402 /* if none, if is finished */
2403 if (file_index < 0) {
2404 if(no_packet_count){
2405 no_packet_count=0;
b0c9e8e0 2406 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2407 usleep(10000);
2408 continue;
2409 }
2410 break;
2411 }
2412
6291d7e4
AK
2413 /* read a frame from it and output it in the fifo */
2414 is = input_files[file_index].ctx;
2415 ret= av_read_frame(is, &pkt);
2416 if(ret == AVERROR(EAGAIN)){
2417 no_packet[file_index]=1;
2418 no_packet_count++;
2419 continue;
2420 }
2421 if (ret < 0) {
2422 input_files[file_index].eof_reached = 1;
2423 if (opt_shortest)
2424 break;
2425 else
2426 continue;
2427 }
2428
2429 no_packet_count=0;
b0c9e8e0 2430 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2431
2432 if (do_pkt_dump) {
2433 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2434 is->streams[pkt.stream_index]);
2435 }
2436 /* the following test is needed in case new streams appear
2437 dynamically in stream : we ignore them */
ed5b1326 2438 if (pkt.stream_index >= input_files[file_index].nb_streams)
6291d7e4
AK
2439 goto discard_packet;
2440 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2441 ist = &input_streams[ist_index];
2442 if (ist->discard)
2443 goto discard_packet;
2444
2445 if (pkt.dts != AV_NOPTS_VALUE)
2446 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2447 if (pkt.pts != AV_NOPTS_VALUE)
2448 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2449
33f75d72
AK
2450 if(pkt.pts != AV_NOPTS_VALUE)
2451 pkt.pts *= ist->ts_scale;
2452 if(pkt.dts != AV_NOPTS_VALUE)
2453 pkt.dts *= ist->ts_scale;
6291d7e4
AK
2454
2455// 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);
2456 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2457 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2458 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2459 int64_t delta= pkt_dts - ist->next_pts;
2460 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2461 input_files[ist->file_index].ts_offset -= delta;
e3245b26
AK
2462 av_log(NULL, AV_LOG_DEBUG, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2463 delta, input_files[ist->file_index].ts_offset);
6291d7e4
AK
2464 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2465 if(pkt.pts != AV_NOPTS_VALUE)
2466 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2467 }
2468 }
2469
6291d7e4 2470 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
4288e031 2471 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
6291d7e4 2472
e3245b26
AK
2473 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d.%d\n",
2474 ist->file_index, ist->st->index);
6291d7e4
AK
2475 if (exit_on_error)
2476 exit_program(1);
2477 av_free_packet(&pkt);
b9630bcf 2478 continue;
6291d7e4
AK
2479 }
2480
2481 discard_packet:
2482 av_free_packet(&pkt);
2483
2484 /* dump report by using the output first video and audio streams */
c5ad2c2c 2485 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
6291d7e4
AK
2486 }
2487
2488 /* at the end of stream, we must flush the decoder buffers */
2489 for (i = 0; i < nb_input_streams; i++) {
2490 ist = &input_streams[i];
2491 if (ist->decoding_needed) {
4288e031 2492 output_packet(ist, i, output_streams, nb_output_streams, NULL);
6291d7e4
AK
2493 }
2494 }
b62b5cb6 2495 flush_encoders(output_streams, nb_output_streams);
6291d7e4
AK
2496
2497 term_exit();
2498
2499 /* write the trailer if needed and close file */
2500 for(i=0;i<nb_output_files;i++) {
af70aa45 2501 os = output_files[i].ctx;
6291d7e4
AK
2502 av_write_trailer(os);
2503 }
2504
2505 /* dump report by using the first video and audio streams */
c5ad2c2c 2506 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
6291d7e4
AK
2507
2508 /* close each encoder */
4288e031
AK
2509 for (i = 0; i < nb_output_streams; i++) {
2510 ost = &output_streams[i];
6291d7e4
AK
2511 if (ost->encoding_needed) {
2512 av_freep(&ost->st->codec->stats_in);
2513 avcodec_close(ost->st->codec);
2514 }
2515#if CONFIG_AVFILTER
2516 avfilter_graph_free(&ost->graph);
2517#endif
2518 }
2519
2520 /* close each decoder */
2521 for (i = 0; i < nb_input_streams; i++) {
2522 ist = &input_streams[i];
2523 if (ist->decoding_needed) {
2524 avcodec_close(ist->st->codec);
2525 }
2526 }
2527
2528 /* finished ! */
2529 ret = 0;
2530
2531 fail:
2532 av_freep(&bit_buffer);
b0c9e8e0 2533 av_freep(&no_packet);
6291d7e4 2534
4288e031
AK
2535 if (output_streams) {
2536 for (i = 0; i < nb_output_streams; i++) {
2537 ost = &output_streams[i];
6291d7e4 2538 if (ost) {
3d813e4c 2539 if (ost->stream_copy)
6291d7e4
AK
2540 av_freep(&ost->st->codec->extradata);
2541 if (ost->logfile) {
2542 fclose(ost->logfile);
2543 ost->logfile = NULL;
2544 }
2545 av_fifo_free(ost->fifo); /* works even if fifo is not
2546 initialized but set to zero */
2547 av_freep(&ost->st->codec->subtitle_header);
2548 av_free(ost->pict_tmp.data[0]);
2549 av_free(ost->forced_kf_pts);
2550 if (ost->video_resample)
2551 sws_freeContext(ost->img_resample_ctx);
2552 if (ost->resample)
2553 audio_resample_close(ost->resample);
2554 if (ost->reformat_ctx)
2555 av_audio_convert_free(ost->reformat_ctx);
2556 av_dict_free(&ost->opts);
6291d7e4
AK
2557 }
2558 }
6291d7e4
AK
2559 }
2560 return ret;
2561}
2562
ca46fde7 2563static double parse_frame_aspect_ratio(const char *arg)
6291d7e4
AK
2564{
2565 int x = 0, y = 0;
2566 double ar = 0;
2567 const char *p;
2568 char *end;
2569
2570 p = strchr(arg, ':');
2571 if (p) {
2572 x = strtol(arg, &end, 10);
2573 if (end == p)
2574 y = strtol(end+1, &end, 10);
2575 if (x > 0 && y > 0)
2576 ar = (double)x / (double)y;
2577 } else
2578 ar = strtod(arg, NULL);
2579
2580 if (!ar) {
e3245b26 2581 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
ca46fde7 2582 exit_program(1);
6291d7e4 2583 }
ca46fde7 2584 return ar;
6291d7e4
AK
2585}
2586
35e6f8c1 2587static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2588{
35e6f8c1 2589 return parse_option(o, "codec:a", arg, options);
6291d7e4
AK
2590}
2591
35e6f8c1 2592static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2593{
35e6f8c1 2594 return parse_option(o, "codec:v", arg, options);
6291d7e4
AK
2595}
2596
35e6f8c1 2597static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2598{
35e6f8c1 2599 return parse_option(o, "codec:s", arg, options);
6291d7e4
AK
2600}
2601
35e6f8c1 2602static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2603{
35e6f8c1 2604 return parse_option(o, "codec:d", arg, options);
6291d7e4
AK
2605}
2606
575ec4e1 2607static int opt_map(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2608{
8d2e4a7e
AK
2609 StreamMap *m = NULL;
2610 int i, negative = 0, file_idx;
2611 int sync_file_idx = -1, sync_stream_idx;
2612 char *p, *sync;
2613 char *map;
6291d7e4 2614
8d2e4a7e
AK
2615 if (*arg == '-') {
2616 negative = 1;
2617 arg++;
2618 }
2619 map = av_strdup(arg);
6291d7e4 2620
8d2e4a7e
AK
2621 /* parse sync stream first, just pick first matching stream */
2622 if (sync = strchr(map, ',')) {
2623 *sync = 0;
2624 sync_file_idx = strtol(sync + 1, &sync, 0);
2625 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
f24facd3 2626 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
8d2e4a7e
AK
2627 exit_program(1);
2628 }
2629 if (*sync)
2630 sync++;
ed5b1326 2631 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
8d2e4a7e
AK
2632 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2633 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2634 sync_stream_idx = i;
2635 break;
2636 }
ed5b1326 2637 if (i == input_files[sync_file_idx].nb_streams) {
f24facd3 2638 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
8d2e4a7e
AK
2639 "match any streams.\n", arg);
2640 exit_program(1);
2641 }
2642 }
6291d7e4 2643
8d2e4a7e
AK
2644
2645 file_idx = strtol(map, &p, 0);
2646 if (file_idx >= nb_input_files || file_idx < 0) {
f24facd3 2647 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
8d2e4a7e 2648 exit_program(1);
6291d7e4 2649 }
8d2e4a7e
AK
2650 if (negative)
2651 /* disable some already defined maps */
575ec4e1
AK
2652 for (i = 0; i < o->nb_stream_maps; i++) {
2653 m = &o->stream_maps[i];
e6674f68
AK
2654 if (file_idx == m->file_index &&
2655 check_stream_specifier(input_files[m->file_index].ctx,
8d2e4a7e
AK
2656 input_files[m->file_index].ctx->streams[m->stream_index],
2657 *p == ':' ? p + 1 : p) > 0)
2658 m->disabled = 1;
2659 }
2660 else
ed5b1326 2661 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
8d2e4a7e
AK
2662 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2663 *p == ':' ? p + 1 : p) <= 0)
2664 continue;
575ec4e1
AK
2665 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2666 &o->nb_stream_maps, o->nb_stream_maps + 1);
2667 m = &o->stream_maps[o->nb_stream_maps - 1];
8d2e4a7e
AK
2668
2669 m->file_index = file_idx;
2670 m->stream_index = i;
2671
2672 if (sync_file_idx >= 0) {
2673 m->sync_file_index = sync_file_idx;
2674 m->sync_stream_index = sync_stream_idx;
2675 } else {
2676 m->sync_file_index = file_idx;
2677 m->sync_stream_index = i;
2678 }
2679 }
2680
2681 if (!m) {
f24facd3 2682 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
8d2e4a7e
AK
2683 exit_program(1);
2684 }
2685
2686 av_freep(&map);
6291d7e4
AK
2687 return 0;
2688}
2689
4dbc6cee
AK
2690static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
2691{
2692 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
2693 &o->nb_attachments, o->nb_attachments + 1);
2694 o->attachments[o->nb_attachments - 1] = arg;
2695 return 0;
2696}
2697
e6e6060c 2698static void parse_meta_type(char *arg, char *type, int *index)
6291d7e4 2699{
039267f1 2700 if (*arg) {
a2a38d96 2701 *type = *arg;
6291d7e4
AK
2702 switch (*arg) {
2703 case 'g':
2704 break;
2705 case 's':
2706 case 'c':
2707 case 'p':
e6e6060c
AK
2708 if (*(++arg) == ':')
2709 *index = strtol(++arg, NULL, 0);
6291d7e4
AK
2710 break;
2711 default:
e3245b26 2712 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
6291d7e4
AK
2713 exit_program(1);
2714 }
2715 } else
2716 *type = 'g';
2717}
2718
847529f8 2719static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
6291d7e4
AK
2720{
2721 MetadataMap *m, *m1;
2722 char *p;
2723
847529f8
AK
2724 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
2725 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
6291d7e4 2726
847529f8 2727 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
6291d7e4 2728 m->file = strtol(arg, &p, 0);
039267f1 2729 parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
6291d7e4 2730
847529f8 2731 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
e6e6060c 2732 if (p = strchr(opt, ':'))
039267f1 2733 parse_meta_type(p + 1, &m1->type, &m1->index);
e6e6060c
AK
2734 else
2735 m1->type = 'g';
6291d7e4
AK
2736
2737 if (m->type == 'g' || m1->type == 'g')
847529f8 2738 o->metadata_global_manual = 1;
6291d7e4 2739 if (m->type == 's' || m1->type == 's')
847529f8 2740 o->metadata_streams_manual = 1;
6291d7e4 2741 if (m->type == 'c' || m1->type == 'c')
847529f8 2742 o->metadata_chapters_manual = 1;
6291d7e4
AK
2743
2744 return 0;
2745}
2746
1b648c7c 2747static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
169f0647
AK
2748{
2749 const char *codec_string = encoder ? "encoder" : "decoder";
2750 AVCodec *codec;
2751
169f0647
AK
2752 codec = encoder ?
2753 avcodec_find_encoder_by_name(name) :
2754 avcodec_find_decoder_by_name(name);
2755 if(!codec) {
f24facd3 2756 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
169f0647
AK
2757 exit_program(1);
2758 }
2759 if(codec->type != type) {
f24facd3 2760 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
169f0647
AK
2761 exit_program(1);
2762 }
1b648c7c 2763 return codec;
169f0647
AK
2764}
2765
1b648c7c 2766static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
169f0647 2767{
169f0647 2768 char *codec_name = NULL;
169f0647 2769
35e6f8c1 2770 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
1b648c7c
AK
2771 if (codec_name) {
2772 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
2773 st->codec->codec_id = codec->id;
2774 return codec;
2775 } else
2776 return avcodec_find_decoder(st->codec->codec_id);
169f0647 2777}
6291d7e4 2778
88867844
AK
2779/**
2780 * Add all the streams from the given input file to the global
2781 * list of input streams.
2782 */
35e6f8c1 2783static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
88867844 2784{
33f75d72 2785 int i, rfps, rfps_base;
88867844
AK
2786
2787 for (i = 0; i < ic->nb_streams; i++) {
2788 AVStream *st = ic->streams[i];
2789 AVCodecContext *dec = st->codec;
2790 InputStream *ist;
33f75d72 2791 double scale = 1.0;
88867844 2792
88867844
AK
2793 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2794 ist = &input_streams[nb_input_streams - 1];
2795 ist->st = st;
2796 ist->file_index = nb_input_files;
2797 ist->discard = 1;
2798 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2799
33f75d72
AK
2800 MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
2801 ist->ts_scale = scale;
88867844 2802
1b648c7c 2803 ist->dec = choose_decoder(o, ic, st);
88867844
AK
2804
2805 switch (dec->codec_type) {
2806 case AVMEDIA_TYPE_AUDIO:
2130981a 2807 if (o->audio_disable)
88867844
AK
2808 st->discard= AVDISCARD_ALL;
2809 break;
2810 case AVMEDIA_TYPE_VIDEO:
2811 rfps = ic->streams[i]->r_frame_rate.num;
2812 rfps_base = ic->streams[i]->r_frame_rate.den;
2813 if (dec->lowres) {
2814 dec->flags |= CODEC_FLAG_EMU_EDGE;
2815 dec->height >>= dec->lowres;
2816 dec->width >>= dec->lowres;
2817 }
88867844
AK
2818
2819 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2820
e3245b26
AK
2821 av_log(NULL, AV_LOG_INFO,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2822 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2823 (float)rfps / rfps_base, rfps, rfps_base);
88867844
AK
2824 }
2825
2130981a 2826 if (o->video_disable)
88867844
AK
2827 st->discard= AVDISCARD_ALL;
2828 else if(video_discard)
2829 st->discard= video_discard;
2830 break;
2831 case AVMEDIA_TYPE_DATA:
2832 break;
2833 case AVMEDIA_TYPE_SUBTITLE:
2130981a 2834 if (o->subtitle_disable)
88867844
AK
2835 st->discard = AVDISCARD_ALL;
2836 break;
2837 case AVMEDIA_TYPE_ATTACHMENT:
2838 case AVMEDIA_TYPE_UNKNOWN:
2839 break;
2840 default:
2841 abort();
2842 }
2843 }
2844}
2845
575ec4e1 2846static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
6291d7e4
AK
2847{
2848 AVFormatContext *ic;
2849 AVInputFormat *file_iformat = NULL;
88867844 2850 int err, i, ret;
6291d7e4
AK
2851 int64_t timestamp;
2852 uint8_t buf[128];
2853 AVDictionary **opts;
2854 int orig_nb_streams; // number of streams before avformat_find_stream_info
2855
7041bb3b
AK
2856 if (o->format) {
2857 if (!(file_iformat = av_find_input_format(o->format))) {
e3245b26 2858 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
6291d7e4
AK
2859 exit_program(1);
2860 }
6291d7e4
AK
2861 }
2862
2863 if (!strcmp(filename, "-"))
2864 filename = "pipe:";
2865
2866 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2867 !strcmp(filename, "/dev/stdin");
2868
2869 /* get default parameters from command line */
2870 ic = avformat_alloc_context();
2871 if (!ic) {
2872 print_error(filename, AVERROR(ENOMEM));
2873 exit_program(1);
2874 }
e2469ccf
AK
2875 if (o->nb_audio_sample_rate) {
2876 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
6291d7e4
AK
2877 av_dict_set(&format_opts, "sample_rate", buf, 0);
2878 }
6a11686d
AK
2879 if (o->nb_audio_channels) {
2880 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
6291d7e4
AK
2881 av_dict_set(&format_opts, "channels", buf, 0);
2882 }
91ea4811
AK
2883 if (o->nb_frame_rates) {
2884 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
6291d7e4 2885 }
d4397b03
AK
2886 if (o->nb_frame_sizes) {
2887 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
6291d7e4 2888 }
b2254d83
AK
2889 if (o->nb_frame_pix_fmts)
2890 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
6291d7e4 2891
6291d7e4
AK
2892 ic->flags |= AVFMT_FLAG_NONBLOCK;
2893
2894 /* open the input file with generic libav function */
2895 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2896 if (err < 0) {
2897 print_error(filename, err);
2898 exit_program(1);
2899 }
2900 assert_avoptions(format_opts);
2901
92f1940e
AK
2902 /* apply forced codec ids */
2903 for (i = 0; i < ic->nb_streams; i++)
1b648c7c 2904 choose_decoder(o, ic, ic->streams[i]);
92f1940e 2905
6291d7e4
AK
2906 /* Set AVCodecContext options for avformat_find_stream_info */
2907 opts = setup_find_stream_info_opts(ic, codec_opts);
2908 orig_nb_streams = ic->nb_streams;
2909
2910 /* If not enough info to get the stream parameters, we decode the
2911 first frames to get it. (used in mpeg case for example) */
2912 ret = avformat_find_stream_info(ic, opts);
e3245b26
AK
2913 if (ret < 0) {
2914 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
6291d7e4
AK
2915 av_close_input_file(ic);
2916 exit_program(1);
2917 }
2918
6b779ccc 2919 timestamp = o->start_time;
6291d7e4
AK
2920 /* add the stream start time */
2921 if (ic->start_time != AV_NOPTS_VALUE)
2922 timestamp += ic->start_time;
2923
2924 /* if seeking requested, we execute it */
6b779ccc 2925 if (o->start_time != 0) {
6291d7e4
AK
2926 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2927 if (ret < 0) {
e3245b26
AK
2928 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
2929 filename, (double)timestamp / AV_TIME_BASE);
6291d7e4 2930 }
6291d7e4
AK
2931 }
2932
2933 /* update the current parameters so that they match the one of the input stream */
35e6f8c1 2934 add_input_streams(o, ic);
6291d7e4
AK
2935
2936 /* dump the file content */
e3245b26 2937 av_dump_format(ic, nb_input_files, filename, 0);
6291d7e4
AK
2938
2939 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
2940 input_files[nb_input_files - 1].ctx = ic;
2941 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
6b779ccc 2942 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
ed5b1326 2943 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
dc3e76f3 2944 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
6291d7e4 2945
6291d7e4
AK
2946 for (i = 0; i < orig_nb_streams; i++)
2947 av_dict_free(&opts[i]);
2948 av_freep(&opts);
575ec4e1
AK
2949
2950 reset_options(o);
6291d7e4
AK
2951 return 0;
2952}
2953
f233cfed
AK
2954static void parse_forced_key_frames(char *kf, OutputStream *ost,
2955 AVCodecContext *avctx)
2956{
2957 char *p;
2958 int n = 1, i;
2959 int64_t t;
2960
2961 for (p = kf; *p; p++)
2962 if (*p == ',')
2963 n++;
2964 ost->forced_kf_count = n;
2965 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
2966 if (!ost->forced_kf_pts) {
2967 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2968 exit_program(1);
2969 }
2970 for (i = 0; i < n; i++) {
2971 p = i ? strchr(p, ',') + 1 : kf;
2972 t = parse_time_or_die("force_key_frames", p, 1);
2973 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2974 }
2975}
2976
3ec34462
AK
2977static uint8_t *get_line(AVIOContext *s)
2978{
2979 AVIOContext *line;
2980 uint8_t *buf;
2981 char c;
2982
2983 if (avio_open_dyn_buf(&line) < 0) {
2984 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
2985 exit_program(1);
2986 }
2987
2988 while ((c = avio_r8(s)) && c != '\n')
2989 avio_w8(line, c);
2990 avio_w8(line, 0);
2991 avio_close_dyn_buf(line, &buf);
2992
2993 return buf;
2994}
2995
2996static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
2997{
2998 int i, ret = 1;
2999 char filename[1000];
3000 const char *base[3] = { getenv("AVCONV_DATADIR"),
3001 getenv("HOME"),
3002 AVCONV_DATADIR,
3003 };
3004
3005 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3006 if (!base[i])
3007 continue;
3008 if (codec_name) {
3009 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3010 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3011 ret = avio_open(s, filename, AVIO_FLAG_READ);
3012 }
3013 if (ret) {
3014 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3015 i != 1 ? "" : "/.avconv", preset_name);
3016 ret = avio_open(s, filename, AVIO_FLAG_READ);
3017 }
3018 }
3019 return ret;
3020}
3021
1b648c7c
AK
3022static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3023{
3024 char *codec_name = NULL;
3025
3026 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3027 if (!codec_name) {
3028 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3029 NULL, ost->st->codec->codec_type);
3030 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3031 } else if (!strcmp(codec_name, "copy"))
3d813e4c 3032 ost->stream_copy = 1;
1b648c7c
AK
3033 else {
3034 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3035 ost->st->codec->codec_id = ost->enc->id;
3036 }
3037}
3038
35e6f8c1 3039static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
169f0647
AK
3040{
3041 OutputStream *ost;
84ad31ff 3042 AVStream *st = avformat_new_stream(oc, NULL);
3ec34462 3043 int idx = oc->nb_streams - 1, ret = 0;
96139b5e 3044 int64_t max_frames = INT64_MAX;
013887eb 3045 char *bsf = NULL, *next, *codec_tag = NULL;
d821cbe2 3046 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
77d9c454 3047 double qscale = -1;
3ec34462
AK
3048 char *buf = NULL, *arg = NULL, *preset = NULL;
3049 AVIOContext *s = NULL;
169f0647
AK
3050
3051 if (!st) {
f24facd3 3052 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
169f0647
AK
3053 exit_program(1);
3054 }
3055
84ad31ff
AK
3056 if (oc->nb_streams - 1 < o->nb_streamid_map)
3057 st->id = o->streamid_map[oc->nb_streams - 1];
3058
4288e031
AK
3059 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3060 nb_output_streams + 1);
3061 ost = &output_streams[nb_output_streams - 1];
40fc2810 3062 ost->file_index = nb_output_files;
169f0647
AK
3063 ost->index = idx;
3064 ost->st = st;
3065 st->codec->codec_type = type;
1b648c7c 3066 choose_encoder(o, oc, ost);
169f0647
AK
3067 if (ost->enc) {
3068 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3069 }
3070
3071 avcodec_get_context_defaults3(st->codec, ost->enc);
3072 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3073
3ec34462
AK
3074 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3075 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3076 do {
3077 buf = get_line(s);
3078 if (!buf[0] || buf[0] == '#') {
3079 av_free(buf);
3080 continue;
3081 }
3082 if (!(arg = strchr(buf, '='))) {
3083 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3084 exit_program(1);
3085 }
3086 *arg++ = 0;
3087 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3088 av_free(buf);
3089 } while (!s->eof_reached);
3090 avio_close(s);
3091 }
3092 if (ret) {
3093 av_log(NULL, AV_LOG_FATAL,
3094 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3095 preset, ost->file_index, ost->index);
3096 exit_program(1);
3097 }
3098
96139b5e
AK
3099 MATCH_PER_STREAM_OPT(max_frames, i64, max_frames, oc, st);
3100 ost->max_frames = max_frames;
3101
d821cbe2
AK
3102 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3103 while (bsf) {
3104 if (next = strchr(bsf, ','))
3105 *next++ = 0;
3106 if (!(bsfc = av_bitstream_filter_init(bsf))) {
f24facd3 3107 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
d821cbe2
AK
3108 exit_program(1);
3109 }
3110 if (bsfc_prev)
3111 bsfc_prev->next = bsfc;
3112 else
3113 ost->bitstream_filters = bsfc;
3114
3115 bsfc_prev = bsfc;
3116 bsf = next;
3117 }
3118
013887eb
AK
3119 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3120 if (codec_tag) {
3121 uint32_t tag = strtol(codec_tag, &next, 0);
3122 if (*next)
3123 tag = AV_RL32(codec_tag);
3124 st->codec->codec_tag = tag;
3125 }
3126
77d9c454
AK
3127 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3128 if (qscale >= 0 || same_quant) {
3129 st->codec->flags |= CODEC_FLAG_QSCALE;
3130 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3131 }
3132
becdce99
AK
3133 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3134 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3135
3b3ea346 3136 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
169f0647
AK
3137 return ost;
3138}
3139
2c2cff16
AK
3140static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3141{
3142 int i;
3143 const char *p = str;
3144 for(i = 0;; i++) {
3145 dest[i] = atoi(p);
3146 if(i == 63)
3147 break;
3148 p = strchr(p, ',');
3149 if(!p) {
e3245b26 3150 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
2c2cff16
AK
3151 exit_program(1);
3152 }
3153 p++;
3154 }
3155}
3156
35e6f8c1 3157static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3158{
3159 AVStream *st;
3160 OutputStream *ost;
3161 AVCodecContext *video_enc;
6291d7e4 3162
35e6f8c1 3163 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
6291d7e4 3164 st = ost->st;
6291d7e4
AK
3165 video_enc = st->codec;
3166
3d813e4c 3167 if (!ost->stream_copy) {
0e68c783 3168 const char *p = NULL;
d4397b03 3169 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
b2254d83 3170 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
8e5ce590 3171 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
828e0bcb 3172 int i, force_fps = 0, top_field_first = -1;
6291d7e4 3173
91ea4811
AK
3174 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3175 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
f24facd3 3176 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
91ea4811
AK
3177 exit_program(1);
3178 }
6291d7e4 3179
d4397b03
AK
3180 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3181 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
f24facd3 3182 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
d4397b03
AK
3183 exit_program(1);
3184 }
3185
ca46fde7
AK
3186 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3187 if (frame_aspect_ratio)
3188 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3189
b2254d83
AK
3190 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3191 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
f24facd3 3192 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
b2254d83
AK
3193 exit_program(1);
3194 }
6291d7e4
AK
3195 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3196
2c2cff16
AK
3197 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3198 if (intra_matrix) {
3199 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
f24facd3 3200 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
2c2cff16
AK
3201 exit_program(1);
3202 }
3203 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3204 }
3205 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3206 if (inter_matrix) {
3207 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
f24facd3 3208 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
2c2cff16
AK
3209 exit_program(1);
3210 }
3211 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3212 }
6291d7e4 3213
0e68c783 3214 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
6291d7e4
AK
3215 for(i=0; p; i++){
3216 int start, end, q;
3217 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3218 if(e!=3){
e3245b26 3219 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
6291d7e4
AK
3220 exit_program(1);
3221 }
3222 video_enc->rc_override=
3223 av_realloc(video_enc->rc_override,
3224 sizeof(RcOverride)*(i+1));
3225 video_enc->rc_override[i].start_frame= start;
3226 video_enc->rc_override[i].end_frame = end;
3227 if(q>0){
3228 video_enc->rc_override[i].qscale= q;
3229 video_enc->rc_override[i].quality_factor= 1.0;
3230 }
3231 else{
3232 video_enc->rc_override[i].qscale= 0;
3233 video_enc->rc_override[i].quality_factor= -q/100.0;
3234 }
3235 p= strchr(p, '/');
3236 if(p) p++;
3237 }
3238 video_enc->rc_override_count=i;
3239 if (!video_enc->rc_initial_buffer_occupancy)
3240 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
6291d7e4
AK
3241 video_enc->intra_dc_precision= intra_dc_precision - 8;
3242
6291d7e4
AK
3243 /* two pass mode */
3244 if (do_pass) {
3245 if (do_pass == 1) {
3246 video_enc->flags |= CODEC_FLAG_PASS1;
3247 } else {
3248 video_enc->flags |= CODEC_FLAG_PASS2;
3249 }
3250 }
3251
7c029672 3252 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
6291d7e4
AK
3253 if (forced_key_frames)
3254 parse_forced_key_frames(forced_key_frames, ost, video_enc);
bef737a7
AK
3255
3256 MATCH_PER_STREAM_OPT(force_fps, i, force_fps, oc, st);
3257 ost->force_fps = force_fps;
828e0bcb
AK
3258
3259 MATCH_PER_STREAM_OPT(top_field_first, i, top_field_first, oc, st);
3260 ost->top_field_first = top_field_first;
8e5ce590
AK
3261
3262#if CONFIG_AVFILTER
3263 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
3264 if (filters)
3265 ost->avfilter = av_strdup(filters);
3266#endif
6291d7e4 3267 }
6291d7e4 3268
3d4f0dab 3269 return ost;
6291d7e4
AK
3270}
3271
35e6f8c1 3272static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3273{
3274 AVStream *st;
3275 OutputStream *ost;
6291d7e4 3276 AVCodecContext *audio_enc;
6291d7e4 3277
35e6f8c1 3278 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
6291d7e4
AK
3279 st = ost->st;
3280
6291d7e4
AK
3281 audio_enc = st->codec;
3282 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3283
3d813e4c 3284 if (!ost->stream_copy) {
05bffc12
AK
3285 char *sample_fmt = NULL;
3286
6a11686d
AK
3287 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3288
05bffc12
AK
3289 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3290 if (sample_fmt &&
3291 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
f24facd3 3292 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
05bffc12
AK
3293 exit_program(1);
3294 }
3295
e2469ccf 3296 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
6291d7e4 3297 }
6291d7e4 3298
3d4f0dab 3299 return ost;
6291d7e4
AK
3300}
3301
35e6f8c1 3302static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4 3303{
6291d7e4 3304 OutputStream *ost;
6291d7e4 3305
35e6f8c1 3306 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3d813e4c 3307 if (!ost->stream_copy) {
e3245b26 3308 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
6291d7e4
AK
3309 exit_program(1);
3310 }
3311
3d4f0dab 3312 return ost;
6291d7e4
AK
3313}
3314
3ccd1580
AK
3315static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
3316{
3317 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
3d813e4c 3318 ost->stream_copy = 1;
3ccd1580
AK
3319 return ost;
3320}
3321
35e6f8c1 3322static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3323{
3324 AVStream *st;
3325 OutputStream *ost;
6291d7e4 3326 AVCodecContext *subtitle_enc;
6291d7e4 3327
35e6f8c1 3328 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
6291d7e4
AK
3329 st = ost->st;
3330 subtitle_enc = st->codec;
3331
6291d7e4
AK
3332 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3333
3d4f0dab 3334 return ost;
6291d7e4
AK
3335}
3336
3337/* arg format is "output-stream-index:streamid-value". */
495ecfd1 3338static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
6291d7e4
AK
3339{
3340 int idx;
3341 char *p;
3342 char idx_str[16];
3343
3344 av_strlcpy(idx_str, arg, sizeof(idx_str));
3345 p = strchr(idx_str, ':');
3346 if (!p) {
e3245b26
AK
3347 av_log(NULL, AV_LOG_FATAL,
3348 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3349 arg, opt);
6291d7e4
AK
3350 exit_program(1);
3351 }
3352 *p++ = '\0';
3353 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
495ecfd1
AK
3354 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
3355 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
6291d7e4
AK
3356 return 0;
3357}
3358
847529f8 3359static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
86530f41 3360{
6b779ccc
AK
3361 AVFormatContext *is = ifile->ctx;
3362 AVFormatContext *os = ofile->ctx;
86530f41
AK
3363 int i;
3364
3365 for (i = 0; i < is->nb_chapters; i++) {
3366 AVChapter *in_ch = is->chapters[i], *out_ch;
6b779ccc 3367 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
86530f41 3368 AV_TIME_BASE_Q, in_ch->time_base);
6b779ccc
AK
3369 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3370 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
86530f41
AK
3371
3372
3373 if (in_ch->end < ts_off)
3374 continue;
3375 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3376 break;
3377
3378 out_ch = av_mallocz(sizeof(AVChapter));
3379 if (!out_ch)
3380 return AVERROR(ENOMEM);
3381
3382 out_ch->id = in_ch->id;
3383 out_ch->time_base = in_ch->time_base;
3384 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3385 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3386
847529f8 3387 if (copy_metadata)
86530f41
AK
3388 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3389
3390 os->nb_chapters++;
3391 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3392 if (!os->chapters)
3393 return AVERROR(ENOMEM);
3394 os->chapters[os->nb_chapters - 1] = out_ch;
3395 }
3396 return 0;
3397}
3398
35e6f8c1 3399static int read_avserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
169f0647
AK
3400{
3401 int i, err;
3402 AVFormatContext *ic = NULL;
169f0647
AK
3403
3404 err = avformat_open_input(&ic, filename, NULL, NULL);
3405 if (err < 0)
3406 return err;
3407 /* copy stream format */
3408 for(i=0;i<ic->nb_streams;i++) {
3409 AVStream *st;
3410 OutputStream *ost;
3411 AVCodec *codec;
3412
3413 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
35e6f8c1 3414 ost = new_output_stream(o, s, codec->type);
169f0647
AK
3415 st = ost->st;
3416
3417 // FIXME: a more elegant solution is needed
3418 memcpy(st, ic->streams[i], sizeof(AVStream));
3419 st->info = NULL;
3420 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3421
3d813e4c 3422 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
169f0647 3423 choose_sample_fmt(st, codec);
3d813e4c 3424 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
169f0647 3425 choose_pixel_fmt(st, codec);
169f0647
AK
3426 }
3427
3428 av_close_input_file(ic);
3429 return 0;
3430}
3431
7cc8d638 3432static void opt_output_file(void *optctx, const char *filename)
6291d7e4 3433{
575ec4e1 3434 OptionsContext *o = optctx;
6291d7e4 3435 AVFormatContext *oc;
3d4f0dab 3436 int i, err;
6291d7e4 3437 AVOutputFormat *file_oformat;
3d4f0dab
AK
3438 OutputStream *ost;
3439 InputStream *ist;
6291d7e4
AK
3440
3441 if (!strcmp(filename, "-"))
3442 filename = "pipe:";
3443
3444 oc = avformat_alloc_context();
3445 if (!oc) {
3446 print_error(filename, AVERROR(ENOMEM));
3447 exit_program(1);
3448 }
3449
7041bb3b
AK
3450 if (o->format) {
3451 file_oformat = av_guess_format(o->format, NULL, NULL);
6291d7e4 3452 if (!file_oformat) {
e3245b26 3453 av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format);
6291d7e4
AK
3454 exit_program(1);
3455 }
6291d7e4
AK
3456 } else {
3457 file_oformat = av_guess_format(NULL, filename, NULL);
3458 if (!file_oformat) {
e3245b26
AK
3459 av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n",
3460 filename);
6291d7e4
AK
3461 exit_program(1);
3462 }
3463 }
3464
3465 oc->oformat = file_oformat;
3466 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3467
3468 if (!strcmp(file_oformat->name, "ffm") &&
3469 av_strstart(filename, "http:", NULL)) {
3470 /* special case for files sent to avserver: we get the stream
3471 parameters from avserver */
35e6f8c1 3472 int err = read_avserver_streams(o, oc, filename);
6291d7e4
AK
3473 if (err < 0) {
3474 print_error(filename, err);
3475 exit_program(1);
3476 }
575ec4e1 3477 } else if (!o->nb_stream_maps) {
3d4f0dab
AK
3478 /* pick the "best" stream of each type */
3479#define NEW_STREAM(type, index)\
3480 if (index >= 0) {\
35e6f8c1 3481 ost = new_ ## type ## _stream(o, oc);\
3d4f0dab
AK
3482 ost->source_index = index;\
3483 ost->sync_ist = &input_streams[index];\
3484 input_streams[index].discard = 0;\
3485 }
3486
3487 /* video: highest resolution */
2130981a 3488 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3d4f0dab
AK
3489 int area = 0, idx = -1;
3490 for (i = 0; i < nb_input_streams; i++) {
3491 ist = &input_streams[i];
3492 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3493 ist->st->codec->width * ist->st->codec->height > area) {
3494 area = ist->st->codec->width * ist->st->codec->height;
3495 idx = i;
3496 }
3497 }
3498 NEW_STREAM(video, idx);
3499 }
3500
3501 /* audio: most channels */
2130981a 3502 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3d4f0dab
AK
3503 int channels = 0, idx = -1;
3504 for (i = 0; i < nb_input_streams; i++) {
3505 ist = &input_streams[i];
3506 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3507 ist->st->codec->channels > channels) {
3508 channels = ist->st->codec->channels;
3509 idx = i;
3510 }
3511 }
3512 NEW_STREAM(audio, idx);
3513 }
3514
3515 /* subtitles: pick first */
2130981a 3516 if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3d4f0dab
AK
3517 for (i = 0; i < nb_input_streams; i++)
3518 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3519 NEW_STREAM(subtitle, i);
3520 break;
3521 }
3522 }
3523 /* do something with data? */
6291d7e4 3524 } else {
575ec4e1
AK
3525 for (i = 0; i < o->nb_stream_maps; i++) {
3526 StreamMap *map = &o->stream_maps[i];
3d4f0dab 3527
8d2e4a7e
AK
3528 if (map->disabled)
3529 continue;
3d4f0dab 3530
6cd9d0f7 3531 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3d4f0dab 3532 switch (ist->st->codec->codec_type) {
35e6f8c1
AK
3533 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3534 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3535 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3536 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3ccd1580 3537 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
3d4f0dab 3538 default:
f24facd3 3539 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d.%d - unsupported type.\n",
3d4f0dab
AK
3540 map->file_index, map->stream_index);
3541 exit_program(1);
3542 }
3543
6cd9d0f7 3544 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3d4f0dab
AK
3545 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3546 map->sync_stream_index];
3547 ist->discard = 0;
3548 }
6291d7e4
AK
3549 }
3550
4dbc6cee
AK
3551 /* handle attached files */
3552 for (i = 0; i < o->nb_attachments; i++) {
3553 AVIOContext *pb;
3554 uint8_t *attachment;
3555 const char *p;
3556 int64_t len;
3557
3558 if ((err = avio_open(&pb, o->attachments[i], AVIO_FLAG_READ)) < 0) {
3559 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
3560 o->attachments[i]);
3561 exit_program(1);
3562 }
3563 if ((len = avio_size(pb)) <= 0) {
3564 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
3565 o->attachments[i]);
3566 exit_program(1);
3567 }
3568 if (!(attachment = av_malloc(len))) {
3569 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
3570 o->attachments[i]);
3571 exit_program(1);
3572 }
3573 avio_read(pb, attachment, len);
3574
3575 ost = new_attachment_stream(o, oc);
3576 ost->stream_copy = 0;
3577 ost->source_index = -1;
3578 ost->attachment_filename = o->attachments[i];
3579 ost->st->codec->extradata = attachment;
3580 ost->st->codec->extradata_size = len;
3581
3582 p = strrchr(o->attachments[i], '/');
3583 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
3584 avio_close(pb);
3585 }
3586
af70aa45
AK
3587 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3588 output_files[nb_output_files - 1].ctx = oc;
4288e031 3589 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
6b779ccc
AK
3590 output_files[nb_output_files - 1].recording_time = o->recording_time;
3591 output_files[nb_output_files - 1].start_time = o->start_time;
13ccba50 3592 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
af70aa45 3593 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
6291d7e4
AK
3594
3595 /* check filename in case of an image number is expected */
3596 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3597 if (!av_filename_number_test(oc->filename)) {
3598 print_error(oc->filename, AVERROR(EINVAL));
3599 exit_program(1);
3600 }
3601 }
3602
3603 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3604 /* test if it already exists to avoid loosing precious files */
3605 if (!file_overwrite &&
3606 (strchr(filename, ':') == NULL ||
3607 filename[1] == ':' ||
3608 av_strstart(filename, "file:", NULL))) {
3609 if (avio_check(filename, 0) == 0) {
3610 if (!using_stdin) {
3611 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3612 fflush(stderr);
3613 if (!read_yesno()) {
3614 fprintf(stderr, "Not overwriting - exiting\n");
3615 exit_program(1);
3616 }
3617 }
3618 else {
3619 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3620 exit_program(1);
3621 }
3622 }
3623 }
3624
3625 /* open the file */
3626 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3627 print_error(filename, err);
3628 exit_program(1);
3629 }
3630 }
3631
f172132f
AK
3632 if (o->mux_preload) {
3633 uint8_t buf[64];
3634 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
3635 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
3636 }
dc26318c 3637 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
6291d7e4
AK
3638 oc->flags |= AVFMT_FLAG_NONBLOCK;
3639
b9aac90b 3640 /* copy chapters */
c5bb372e
AK
3641 if (o->chapters_input_file >= nb_input_files) {
3642 if (o->chapters_input_file == INT_MAX) {
b9aac90b 3643 /* copy chapters from the first input file that has them*/
c5bb372e 3644 o->chapters_input_file = -1;
b9aac90b
AK
3645 for (i = 0; i < nb_input_files; i++)
3646 if (input_files[i].ctx->nb_chapters) {
c5bb372e 3647 o->chapters_input_file = i;
b9aac90b
AK
3648 break;
3649 }
3650 } else {
f24facd3 3651 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
c5bb372e 3652 o->chapters_input_file);
b9aac90b
AK
3653 exit_program(1);
3654 }
3655 }
c5bb372e
AK
3656 if (o->chapters_input_file >= 0)
3657 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
f39