lavfi: add a new function av_buffersrc_buffer().
[libav.git] / avconv.c
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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;
7bb3e625 116static int copy_tb = 1;
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117static int opt_shortest = 0;
118static char *vstats_filename;
119static FILE *vstats_file;
6291d7e4 120
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121static int audio_volume = 256;
122
123static int exit_on_error = 0;
124static int using_stdin = 0;
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125static int64_t video_size = 0;
126static int64_t audio_size = 0;
127static int64_t extra_size = 0;
128static int nb_frames_dup = 0;
129static int nb_frames_drop = 0;
130static int input_sync;
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131
132static float dts_delta_threshold = 10;
133
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134static int print_stats = 1;
135
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136static uint8_t *audio_buf;
137static uint8_t *audio_out;
138static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
139
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140#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
141
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142typedef struct InputStream {
143 int file_index;
144 AVStream *st;
145 int discard; /* true if stream data should be discarded */
146 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
147 AVCodec *dec;
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148 AVFrame *decoded_frame;
149 AVFrame *filtered_frame;
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150
151 int64_t start; /* time when read started */
152 int64_t next_pts; /* synthetic pts for cases where pkt.pts
153 is not defined */
154 int64_t pts; /* current pts */
155 PtsCorrectionContext pts_ctx;
156 double ts_scale;
157 int is_start; /* is 1 at the start and after a discontinuity */
158 int showed_multi_packet_warning;
159 AVDictionary *opts;
160} InputStream;
161
162typedef struct InputFile {
163 AVFormatContext *ctx;
164 int eof_reached; /* true if eof reached */
165 int ist_index; /* index of first stream in ist_table */
166 int buffer_size; /* current total buffer size */
167 int64_t ts_offset;
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168 int nb_streams; /* number of stream that avconv is aware of; may be different
169 from ctx.nb_streams if new streams appear during av_read_frame() */
f4805328 170 int rate_emu;
6494c001 171} InputFile;
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172
173typedef struct OutputStream {
174 int file_index; /* file index */
175 int index; /* stream index in the output file */
176 int source_index; /* InputStream index */
177 AVStream *st; /* stream in the output file */
178 int encoding_needed; /* true if encoding needed for this stream */
179 int frame_number;
180 /* input pts and corresponding output pts
181 for A/V sync */
182 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
183 struct InputStream *sync_ist; /* input stream to sync against */
184 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
185 AVBitStreamFilterContext *bitstream_filters;
186 AVCodec *enc;
96139b5e 187 int64_t max_frames;
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188
189 /* video only */
190 int video_resample;
191 AVFrame pict_tmp; /* temporary image for resampling */
192 struct SwsContext *img_resample_ctx; /* for image resampling */
193 int resample_height;
194 int resample_width;
195 int resample_pix_fmt;
196 AVRational frame_rate;
bef737a7 197 int force_fps;
828e0bcb 198 int top_field_first;
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199
200 float frame_aspect_ratio;
201
202 /* forced key frames */
203 int64_t *forced_kf_pts;
204 int forced_kf_count;
205 int forced_kf_index;
206
207 /* audio only */
208 int audio_resample;
209 ReSampleContext *resample; /* for audio resampling */
210 int resample_sample_fmt;
211 int resample_channels;
212 int resample_sample_rate;
213 int reformat_pair;
214 AVAudioConvert *reformat_ctx;
215 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
216 FILE *logfile;
217
218#if CONFIG_AVFILTER
219 AVFilterContext *output_video_filter;
220 AVFilterContext *input_video_filter;
221 AVFilterBufferRef *picref;
222 char *avfilter;
223 AVFilterGraph *graph;
224#endif
225
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226 int64_t sws_flags;
227 AVDictionary *opts;
228 int is_past_recording_time;
229 int stream_copy;
230 const char *attachment_filename;
231 int copy_initial_nonkeyframes;
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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;
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278 SpecifierOpt *dump_attachment;
279 int nb_dump_attachment;
33f75d72 280
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281 /* output options */
282 StreamMap *stream_maps;
283 int nb_stream_maps;
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284 /* first item specifies output metadata, second is input */
285 MetadataMap (*meta_data_maps)[2];
286 int nb_meta_data_maps;
287 int metadata_global_manual;
288 int metadata_streams_manual;
289 int metadata_chapters_manual;
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290 const char **attachments;
291 int nb_attachments;
6b779ccc 292
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293 int chapters_input_file;
294
6b779ccc 295 int64_t recording_time;
13ccba50 296 uint64_t limit_filesize;
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297 float mux_preload;
298 float mux_max_delay;
039267f1 299
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300 int video_disable;
301 int audio_disable;
302 int subtitle_disable;
303 int data_disable;
304
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305 /* indexed by output file stream index */
306 int *streamid_map;
307 int nb_streamid_map;
308
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309 SpecifierOpt *metadata;
310 int nb_metadata;
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311 SpecifierOpt *max_frames;
312 int nb_max_frames;
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313 SpecifierOpt *bitstream_filters;
314 int nb_bitstream_filters;
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315 SpecifierOpt *codec_tags;
316 int nb_codec_tags;
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317 SpecifierOpt *sample_fmts;
318 int nb_sample_fmts;
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319 SpecifierOpt *qscale;
320 int nb_qscale;
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321 SpecifierOpt *forced_key_frames;
322 int nb_forced_key_frames;
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323 SpecifierOpt *force_fps;
324 int nb_force_fps;
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325 SpecifierOpt *frame_aspect_ratios;
326 int nb_frame_aspect_ratios;
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327 SpecifierOpt *rc_overrides;
328 int nb_rc_overrides;
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329 SpecifierOpt *intra_matrices;
330 int nb_intra_matrices;
331 SpecifierOpt *inter_matrices;
332 int nb_inter_matrices;
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333 SpecifierOpt *top_field_first;
334 int nb_top_field_first;
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335 SpecifierOpt *metadata_map;
336 int nb_metadata_map;
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337 SpecifierOpt *presets;
338 int nb_presets;
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339 SpecifierOpt *copy_initial_nonkeyframes;
340 int nb_copy_initial_nonkeyframes;
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341#if CONFIG_AVFILTER
342 SpecifierOpt *filters;
343 int nb_filters;
344#endif
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345} OptionsContext;
346
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347#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
348{\
349 int i, ret;\
350 for (i = 0; i < o->nb_ ## name; i++) {\
351 char *spec = o->name[i].specifier;\
352 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
353 outvar = o->name[i].u.type;\
354 else if (ret < 0)\
355 exit_program(1);\
356 }\
357}
358
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359static void reset_options(OptionsContext *o)
360{
361 const OptionDef *po = options;
362
363 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
364 while (po->name) {
365 void *dst = (uint8_t*)o + po->u.off;
366
367 if (po->flags & OPT_SPEC) {
368 SpecifierOpt **so = dst;
369 int i, *count = (int*)(so + 1);
370 for (i = 0; i < *count; i++) {
371 av_freep(&(*so)[i].specifier);
372 if (po->flags & OPT_STRING)
373 av_freep(&(*so)[i].u.str);
374 }
375 av_freep(so);
376 *count = 0;
377 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
378 av_freep(dst);
379 po++;
380 }
381
382 av_freep(&o->stream_maps);
847529f8 383 av_freep(&o->meta_data_maps);
495ecfd1 384 av_freep(&o->streamid_map);
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385
386 memset(o, 0, sizeof(*o));
6b779ccc 387
dc26318c 388 o->mux_max_delay = 0.7;
6b779ccc 389 o->recording_time = INT64_MAX;
13ccba50 390 o->limit_filesize = UINT64_MAX;
c5bb372e 391 o->chapters_input_file = INT_MAX;
6b779ccc 392
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393 uninit_opts();
394 init_opts();
395}
396
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397#if CONFIG_AVFILTER
398
399static int configure_video_filters(InputStream *ist, OutputStream *ost)
400{
401 AVFilterContext *last_filter, *filter;
402 /** filter graph containing all filters including input & output */
403 AVCodecContext *codec = ost->st->codec;
404 AVCodecContext *icodec = ist->st->codec;
405 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
406 AVRational sample_aspect_ratio;
407 char args[255];
408 int ret;
409
410 ost->graph = avfilter_graph_alloc();
411
412 if (ist->st->sample_aspect_ratio.num){
413 sample_aspect_ratio = ist->st->sample_aspect_ratio;
414 }else
415 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
416
417 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
418 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
419 sample_aspect_ratio.num, sample_aspect_ratio.den);
420
421 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
422 "src", args, NULL, ost->graph);
423 if (ret < 0)
424 return ret;
425 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
426 "out", NULL, &ffsink_ctx, ost->graph);
427 if (ret < 0)
428 return ret;
429 last_filter = ost->input_video_filter;
430
431 if (codec->width != icodec->width || codec->height != icodec->height) {
432 snprintf(args, 255, "%d:%d:flags=0x%X",
433 codec->width,
434 codec->height,
3b3ea346 435 (unsigned)ost->sws_flags);
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436 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
437 NULL, args, NULL, ost->graph)) < 0)
438 return ret;
439 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
440 return ret;
441 last_filter = filter;
442 }
443
3b3ea346 444 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
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445 ost->graph->scale_sws_opts = av_strdup(args);
446
447 if (ost->avfilter) {
448 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
449 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
450
451 outputs->name = av_strdup("in");
452 outputs->filter_ctx = last_filter;
453 outputs->pad_idx = 0;
454 outputs->next = NULL;
455
456 inputs->name = av_strdup("out");
457 inputs->filter_ctx = ost->output_video_filter;
458 inputs->pad_idx = 0;
459 inputs->next = NULL;
460
461 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
462 return ret;
463 av_freep(&ost->avfilter);
464 } else {
465 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
466 return ret;
467 }
468
469 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
470 return ret;
471
472 codec->width = ost->output_video_filter->inputs[0]->w;
473 codec->height = ost->output_video_filter->inputs[0]->h;
474 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
bb337b4f 475 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
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476 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
477 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
478
479 return 0;
480}
481#endif /* CONFIG_AVFILTER */
482
483static void term_exit(void)
484{
485 av_log(NULL, AV_LOG_QUIET, "");
486}
487
488static volatile int received_sigterm = 0;
489static volatile int received_nb_signals = 0;
490
491static void
492sigterm_handler(int sig)
493{
494 received_sigterm = sig;
495 received_nb_signals++;
496 term_exit();
497}
498
499static void term_init(void)
500{
501 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
502 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
503#ifdef SIGXCPU
504 signal(SIGXCPU, sigterm_handler);
505#endif
506}
507
2abe947a 508static int decode_interrupt_cb(void *ctx)
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509{
510 return received_nb_signals > 1;
511}
512
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513static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
514
dad09ff9 515void exit_program(int ret)
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516{
517 int i;
518
519 /* close files */
520 for(i=0;i<nb_output_files;i++) {
af70aa45 521 AVFormatContext *s = output_files[i].ctx;
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522 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
523 avio_close(s->pb);
524 avformat_free_context(s);
af70aa45 525 av_dict_free(&output_files[i].opts);
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526 }
527 for(i=0;i<nb_input_files;i++) {
cd3716b9 528 avformat_close_input(&input_files[i].ctx);
6291d7e4 529 }
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530 for (i = 0; i < nb_input_streams; i++) {
531 av_freep(&input_streams[i].decoded_frame);
532 av_freep(&input_streams[i].filtered_frame);
6291d7e4 533 av_dict_free(&input_streams[i].opts);
9179f27c 534 }
6291d7e4 535
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536 if (vstats_file)
537 fclose(vstats_file);
538 av_free(vstats_filename);
539
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540 av_freep(&input_streams);
541 av_freep(&input_files);
4288e031 542 av_freep(&output_streams);
af70aa45 543 av_freep(&output_files);
6291d7e4 544
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545 uninit_opts();
546 av_free(audio_buf);
547 av_free(audio_out);
548 allocated_audio_buf_size= allocated_audio_out_size= 0;
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549
550#if CONFIG_AVFILTER
551 avfilter_uninit();
552#endif
776f2bb9 553 avformat_network_deinit();
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554
555 if (received_sigterm) {
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556 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
557 (int) received_sigterm);
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558 exit (255);
559 }
560
f75e3d25 561 exit(ret);
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562}
563
564static void assert_avoptions(AVDictionary *m)
565{
566 AVDictionaryEntry *t;
567 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
f24facd3 568 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
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569 exit_program(1);
570 }
571}
572
573static void assert_codec_experimental(AVCodecContext *c, int encoder)
574{
575 const char *codec_string = encoder ? "encoder" : "decoder";
576 AVCodec *codec;
577 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
578 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
f24facd3 579 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
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580 "results.\nAdd '-strict experimental' if you want to use it.\n",
581 codec_string, c->codec->name);
582 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
583 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
f24facd3 584 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
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585 codec_string, codec->name);
586 exit_program(1);
587 }
588}
589
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590static void choose_sample_fmt(AVStream *st, AVCodec *codec)
591{
592 if(codec && codec->sample_fmts){
593 const enum AVSampleFormat *p= codec->sample_fmts;
594 for(; *p!=-1; p++){
595 if(*p == st->codec->sample_fmt)
596 break;
597 }
598 if (*p == -1) {
599 av_log(NULL, AV_LOG_WARNING,
600 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
601 av_get_sample_fmt_name(st->codec->sample_fmt),
602 codec->name,
603 av_get_sample_fmt_name(codec->sample_fmts[0]));
604 st->codec->sample_fmt = codec->sample_fmts[0];
605 }
606 }
607}
608
609/**
610 * Update the requested input sample format based on the output sample format.
611 * This is currently only used to request float output from decoders which
612 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
613 * Ideally this will be removed in the future when decoders do not do format
614 * conversion and only output in their native format.
615 */
616static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
617 AVCodecContext *enc)
618{
619 /* if sample formats match or a decoder sample format has already been
620 requested, just return */
621 if (enc->sample_fmt == dec->sample_fmt ||
622 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
623 return;
624
625 /* if decoder supports more than one output format */
626 if (dec_codec && dec_codec->sample_fmts &&
627 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
628 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
629 const enum AVSampleFormat *p;
630 int min_dec = -1, min_inc = -1;
631
632 /* find a matching sample format in the encoder */
633 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
634 if (*p == enc->sample_fmt) {
635 dec->request_sample_fmt = *p;
636 return;
637 } else if (*p > enc->sample_fmt) {
638 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
639 } else
640 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
641 }
642
643 /* if none match, provide the one that matches quality closest */
644 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
645 enc->sample_fmt - min_dec;
646 }
647}
648
649static void choose_sample_rate(AVStream *st, AVCodec *codec)
650{
651 if(codec && codec->supported_samplerates){
652 const int *p= codec->supported_samplerates;
653 int best=0;
654 int best_dist=INT_MAX;
655 for(; *p; p++){
656 int dist= abs(st->codec->sample_rate - *p);
657 if(dist < best_dist){
658 best_dist= dist;
659 best= *p;
660 }
661 }
662 if(best_dist){
663 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
664 }
665 st->codec->sample_rate= best;
666 }
667}
668
669static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
670{
671 if(codec && codec->pix_fmts){
672 const enum PixelFormat *p= codec->pix_fmts;
673 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
674 if(st->codec->codec_id==CODEC_ID_MJPEG){
675 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
676 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
677 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};
678 }
679 }
105ab61c 680 for (; *p != PIX_FMT_NONE; p++) {
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681 if(*p == st->codec->pix_fmt)
682 break;
683 }
105ab61c 684 if (*p == PIX_FMT_NONE) {
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685 if(st->codec->pix_fmt != PIX_FMT_NONE)
686 av_log(NULL, AV_LOG_WARNING,
687 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
688 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
689 codec->name,
690 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
691 st->codec->pix_fmt = codec->pix_fmts[0];
692 }
693 }
694}
695
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696static double
697get_sync_ipts(const OutputStream *ost)
698{
699 const InputStream *ist = ost->sync_ist;
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700 OutputFile *of = &output_files[ost->file_index];
701 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
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702}
703
704static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
705 int ret;
706
707 while(bsfc){
708 AVPacket new_pkt= *pkt;
709 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
710 &new_pkt.data, &new_pkt.size,
711 pkt->data, pkt->size,
712 pkt->flags & AV_PKT_FLAG_KEY);
713 if(a>0){
714 av_free_packet(pkt);
715 new_pkt.destruct= av_destruct_packet;
716 } else if(a<0){
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717 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
718 bsfc->filter->name, pkt->stream_index,
719 avctx->codec ? avctx->codec->name : "copy");
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720 print_error("", a);
721 if (exit_on_error)
722 exit_program(1);
723 }
724 *pkt= new_pkt;
725
726 bsfc= bsfc->next;
727 }
728
729 ret= av_interleaved_write_frame(s, pkt);
730 if(ret < 0){
731 print_error("av_interleaved_write_frame()", ret);
732 exit_program(1);
733 }
734}
735
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736static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
737{
738 int fill_char = 0x00;
739 if (sample_fmt == AV_SAMPLE_FMT_U8)
740 fill_char = 0x80;
741 memset(buf, fill_char, size);
742}
743
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744static void do_audio_out(AVFormatContext *s, OutputStream *ost,
745 InputStream *ist, AVFrame *decoded_frame)
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746{
747 uint8_t *buftmp;
748 int64_t audio_out_size, audio_buf_size;
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749
750 int size_out, frame_bytes, ret, resample_changed;
751 AVCodecContext *enc= ost->st->codec;
752 AVCodecContext *dec= ist->st->codec;
753 int osize = av_get_bytes_per_sample(enc->sample_fmt);
754 int isize = av_get_bytes_per_sample(dec->sample_fmt);
755 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
d1241ff3
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756 uint8_t *buf = decoded_frame->data[0];
757 int size = decoded_frame->nb_samples * dec->channels * isize;
758 int64_t allocated_for_size = size;
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759
760need_realloc:
761 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
762 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
763 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
764 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
765 audio_buf_size*= osize*enc->channels;
766
767 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
768 if(coded_bps > 8*osize)
769 audio_out_size= audio_out_size * coded_bps / (8*osize);
770 audio_out_size += FF_MIN_BUFFER_SIZE;
771
772 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
e3245b26 773 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
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774 exit_program(1);
775 }
776
777 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
778 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
779 if (!audio_buf || !audio_out){
e3245b26 780 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
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781 exit_program(1);
782 }
783
784 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
785 ost->audio_resample = 1;
786
787 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
788 ost->resample_channels != dec->channels ||
789 ost->resample_sample_rate != dec->sample_rate;
790
791 if ((ost->audio_resample && !ost->resample) || resample_changed) {
792 if (resample_changed) {
9a414d89 793 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",
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794 ist->file_index, ist->st->index,
795 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
796 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
797 ost->resample_sample_fmt = dec->sample_fmt;
798 ost->resample_channels = dec->channels;
799 ost->resample_sample_rate = dec->sample_rate;
800 if (ost->resample)
801 audio_resample_close(ost->resample);
802 }
803 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
804 if (audio_sync_method <= 1 &&
805 ost->resample_sample_fmt == enc->sample_fmt &&
806 ost->resample_channels == enc->channels &&
807 ost->resample_sample_rate == enc->sample_rate) {
808 ost->resample = NULL;
809 ost->audio_resample = 0;
810 } else if (ost->audio_resample) {
811 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
e3245b26 812 av_log(NULL, AV_LOG_WARNING, "Using s16 intermediate sample format for resampling\n");
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813 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
814 enc->sample_rate, dec->sample_rate,
815 enc->sample_fmt, dec->sample_fmt,
816 16, 10, 0, 0.8);
817 if (!ost->resample) {
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818 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
819 dec->channels, dec->sample_rate,
820 enc->channels, enc->sample_rate);
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821 exit_program(1);
822 }
823 }
824 }
825
826#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
827 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
828 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
829 if (ost->reformat_ctx)
830 av_audio_convert_free(ost->reformat_ctx);
831 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
832 dec->sample_fmt, 1, NULL, 0);
833 if (!ost->reformat_ctx) {
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834 av_log(NULL, AV_LOG_FATAL, "Cannot convert %s sample format to %s sample format\n",
835 av_get_sample_fmt_name(dec->sample_fmt),
836 av_get_sample_fmt_name(enc->sample_fmt));
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837 exit_program(1);
838 }
839 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
840 }
841
842 if(audio_sync_method){
843 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
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844 - av_fifo_size(ost->fifo)/(enc->channels * osize);
845 int idelta = delta * dec->sample_rate / enc->sample_rate;
846 int byte_delta = idelta * isize * dec->channels;
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847
848 //FIXME resample delay
849 if(fabs(delta) > 50){
850 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
851 if(byte_delta < 0){
852 byte_delta= FFMAX(byte_delta, -size);
853 size += byte_delta;
854 buf -= byte_delta;
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855 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
856 -byte_delta / (isize * dec->channels));
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857 if(!size)
858 return;
859 ist->is_start=0;
860 }else{
861 static uint8_t *input_tmp= NULL;
862 input_tmp= av_realloc(input_tmp, byte_delta + size);
863
864 if(byte_delta > allocated_for_size - size){
865 allocated_for_size= byte_delta + (int64_t)size;
866 goto need_realloc;
867 }
868 ist->is_start=0;
869
fdab793a 870 generate_silence(input_tmp, dec->sample_fmt, byte_delta);
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871 memcpy(input_tmp + byte_delta, buf, size);
872 buf= input_tmp;
873 size += byte_delta;
fdab793a 874 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
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875 }
876 }else if(audio_sync_method>1){
877 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
878 av_assert0(ost->audio_resample);
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879 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
880 delta, comp, enc->sample_rate);
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881// 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));
882 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
883 }
884 }
885 }else
886 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
fdab793a 887 - av_fifo_size(ost->fifo)/(enc->channels * osize); //FIXME wrong
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888
889 if (ost->audio_resample) {
890 buftmp = audio_buf;
891 size_out = audio_resample(ost->resample,
892 (short *)buftmp, (short *)buf,
893 size / (dec->channels * isize));
894 size_out = size_out * enc->channels * osize;
895 } else {
896 buftmp = buf;
897 size_out = size;
898 }
899
900 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
901 const void *ibuf[6]= {buftmp};
902 void *obuf[6]= {audio_buf};
903 int istride[6]= {isize};
904 int ostride[6]= {osize};
905 int len= size_out/istride[0];
906 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
907 printf("av_audio_convert() failed\n");
908 if (exit_on_error)
909 exit_program(1);
910 return;
911 }
912 buftmp = audio_buf;
913 size_out = len*osize;
914 }
915
916 /* now encode as many frames as possible */
917 if (enc->frame_size > 1) {
918 /* output resampled raw samples */
919 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
e3245b26 920 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
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921 exit_program(1);
922 }
923 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
924
925 frame_bytes = enc->frame_size * osize * enc->channels;
926
927 while (av_fifo_size(ost->fifo) >= frame_bytes) {
928 AVPacket pkt;
929 av_init_packet(&pkt);
930
931 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
932
933 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
934
935 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
936 (short *)audio_buf);
937 if (ret < 0) {
e3245b26 938 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
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939 exit_program(1);
940 }
941 audio_size += ret;
942 pkt.stream_index= ost->index;
943 pkt.data= audio_out;
944 pkt.size= ret;
945 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
946 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
947 pkt.flags |= AV_PKT_FLAG_KEY;
948 write_frame(s, &pkt, enc, ost->bitstream_filters);
949
950 ost->sync_opts += enc->frame_size;
951 }
952 } else {
953 AVPacket pkt;
954 av_init_packet(&pkt);
955
956 ost->sync_opts += size_out / (osize * enc->channels);
957
958 /* output a pcm frame */
959 /* determine the size of the coded buffer */
960 size_out /= osize;
961 if (coded_bps)
962 size_out = size_out*coded_bps/8;
963
964 if(size_out > audio_out_size){
e3245b26 965 av_log(NULL, AV_LOG_FATAL, "Internal error, buffer size too small\n");
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966 exit_program(1);
967 }
968
969 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
970 ret = avcodec_encode_audio(enc, audio_out, size_out,
971 (short *)buftmp);
972 if (ret < 0) {
e3245b26 973 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
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974 exit_program(1);
975 }
976 audio_size += ret;
977 pkt.stream_index= ost->index;
978 pkt.data= audio_out;
979 pkt.size= ret;
980 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
981 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
982 pkt.flags |= AV_PKT_FLAG_KEY;
983 write_frame(s, &pkt, enc, ost->bitstream_filters);
984 }
985}
986
987static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
988{
989 AVCodecContext *dec;
990 AVPicture *picture2;
991 AVPicture picture_tmp;
992 uint8_t *buf = 0;
993
994 dec = ist->st->codec;
995
996 /* deinterlace : must be done before any resize */
997 if (do_deinterlace) {
998 int size;
999
1000 /* create temporary picture */
1001 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1002 buf = av_malloc(size);
1003 if (!buf)
1004 return;
1005
1006 picture2 = &picture_tmp;
1007 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1008
1009 if(avpicture_deinterlace(picture2, picture,
1010 dec->pix_fmt, dec->width, dec->height) < 0) {
1011 /* if error, do not deinterlace */
e3245b26 1012 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
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1013 av_free(buf);
1014 buf = NULL;
1015 picture2 = picture;
1016 }
1017 } else {
1018 picture2 = picture;
1019 }
1020
1021 if (picture != picture2)
1022 *picture = *picture2;
1023 *bufp = buf;
1024}
1025
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1026static void do_subtitle_out(AVFormatContext *s,
1027 OutputStream *ost,
1028 InputStream *ist,
1029 AVSubtitle *sub,
1030 int64_t pts)
1031{
1032 static uint8_t *subtitle_out = NULL;
1033 int subtitle_out_max_size = 1024 * 1024;
1034 int subtitle_out_size, nb, i;
1035 AVCodecContext *enc;
1036 AVPacket pkt;
1037
1038 if (pts == AV_NOPTS_VALUE) {
e3245b26 1039 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
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1040 if (exit_on_error)
1041 exit_program(1);
1042 return;
1043 }
1044
1045 enc = ost->st->codec;
1046
1047 if (!subtitle_out) {
1048 subtitle_out = av_malloc(subtitle_out_max_size);
1049 }
1050
1051 /* Note: DVB subtitle need one packet to draw them and one other
1052 packet to clear them */
1053 /* XXX: signal it in the codec context ? */
1054 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1055 nb = 2;
1056 else
1057 nb = 1;
1058
1059 for(i = 0; i < nb; i++) {
1060 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1061 // start_display_time is required to be 0
1062 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1063 sub->end_display_time -= sub->start_display_time;
1064 sub->start_display_time = 0;
1065 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1066 subtitle_out_max_size, sub);
1067 if (subtitle_out_size < 0) {
e3245b26 1068 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
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1069 exit_program(1);
1070 }
1071
1072 av_init_packet(&pkt);
1073 pkt.stream_index = ost->index;
1074 pkt.data = subtitle_out;
1075 pkt.size = subtitle_out_size;
1076 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1077 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1078 /* XXX: the pts correction is handled here. Maybe handling
1079 it in the codec would be better */
1080 if (i == 0)
1081 pkt.pts += 90 * sub->start_display_time;
1082 else
1083 pkt.pts += 90 * sub->end_display_time;
1084 }
1085 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1086 }
1087}
1088
1089static int bit_buffer_size= 1024*256;
1090static uint8_t *bit_buffer= NULL;
1091
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1092static void do_video_resample(OutputStream *ost,
1093 InputStream *ist,
1094 AVFrame *in_picture,
1095 AVFrame **out_picture)
6291d7e4 1096{
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1097 int resample_changed = 0;
1098 AVCodecContext *dec = ist->st->codec;
1099 *out_picture = in_picture;
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1100
1101 resample_changed = ost->resample_width != dec->width ||
1102 ost->resample_height != dec->height ||
1103 ost->resample_pix_fmt != dec->pix_fmt;
1104
1105 if (resample_changed) {
1106 av_log(NULL, AV_LOG_INFO,
9a414d89 1107 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
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1108 ist->file_index, ist->st->index,
1109 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1110 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1111 if(!ost->video_resample)
5c59fa56 1112 ost->video_resample = 1;
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1113 }
1114
1115#if !CONFIG_AVFILTER
1116 if (ost->video_resample) {
87ef060c 1117 *out_picture = &ost->pict_tmp;
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1118 if (resample_changed) {
1119 /* initialize a new scaler context */
1120 sws_freeContext(ost->img_resample_ctx);
1121 ost->img_resample_ctx = sws_getContext(
1122 ist->st->codec->width,
1123 ist->st->codec->height,
1124 ist->st->codec->pix_fmt,
1125 ost->st->codec->width,
1126 ost->st->codec->height,
1127 ost->st->codec->pix_fmt,
1128 ost->sws_flags, NULL, NULL, NULL);
1129 if (ost->img_resample_ctx == NULL) {
e3245b26 1130 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
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1131 exit_program(1);
1132 }
1133 }
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1134 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1135 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
6291d7e4 1136 }
428c59d9
K
1137#else
1138 if (resample_changed) {
1139 avfilter_graph_free(&ost->graph);
1140 if (configure_video_filters(ist, ost)) {
e3245b26 1141 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
428c59d9
K
1142 exit_program(1);
1143 }
1144 }
6291d7e4 1145#endif
428c59d9
K
1146 if (resample_changed) {
1147 ost->resample_width = dec->width;
1148 ost->resample_height = dec->height;
1149 ost->resample_pix_fmt = dec->pix_fmt;
1150 }
87ef060c
AC
1151}
1152
1153
1154static void do_video_out(AVFormatContext *s,
1155 OutputStream *ost,
1156 InputStream *ist,
1157 AVFrame *in_picture,
1158 int *frame_size, float quality)
1159{
553735f5 1160 int nb_frames, i, ret, format_video_sync;
87ef060c 1161 AVFrame *final_picture;
f593628e 1162 AVCodecContext *enc;
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AC
1163 double sync_ipts;
1164
1165 enc = ost->st->codec;
87ef060c
AC
1166
1167 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1168
1169 /* by default, we output a single frame */
1170 nb_frames = 1;
1171
1172 *frame_size = 0;
1173
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1174 format_video_sync = video_sync_method;
1175 if (format_video_sync < 0)
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1176 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? 0 :
1177 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
553735f5
AC
1178
1179 if (format_video_sync) {
87ef060c
AC
1180 double vdelta = sync_ipts - ost->sync_opts;
1181 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1182 if (vdelta < -1.1)
1183 nb_frames = 0;
553735f5 1184 else if (format_video_sync == 2) {
87ef060c
AC
1185 if(vdelta<=-0.6){
1186 nb_frames=0;
1187 }else if(vdelta>0.6)
1188 ost->sync_opts= lrintf(sync_ipts);
1189 }else if (vdelta > 1.1)
1190 nb_frames = lrintf(vdelta);
1191//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);
1192 if (nb_frames == 0){
1193 ++nb_frames_drop;
e3245b26 1194 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
87ef060c
AC
1195 }else if (nb_frames > 1) {
1196 nb_frames_dup += nb_frames - 1;
e3245b26 1197 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames-1);
87ef060c
AC
1198 }
1199 }else
1200 ost->sync_opts= lrintf(sync_ipts);
1201
96139b5e 1202 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
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AC
1203 if (nb_frames <= 0)
1204 return;
1205
1206 do_video_resample(ost, ist, in_picture, &final_picture);
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1207
1208 /* duplicates frame if needed */
1209 for(i=0;i<nb_frames;i++) {
1210 AVPacket pkt;
1211 av_init_packet(&pkt);
1212 pkt.stream_index= ost->index;
1213
150ddbc1
MR
1214 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1215 enc->codec->id == CODEC_ID_RAWVIDEO) {
6291d7e4 1216 /* raw pictures are written as AVPicture structure to
bb337b4f 1217 avoid any copies. We support temporarily the older
6291d7e4 1218 method. */
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1219 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1220 enc->coded_frame->top_field_first = in_picture->top_field_first;
6291d7e4
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1221 pkt.data= (uint8_t *)final_picture;
1222 pkt.size= sizeof(AVPicture);
1223 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1224 pkt.flags |= AV_PKT_FLAG_KEY;
1225
1226 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
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1227 } else {
1228 AVFrame big_picture;
1229
1230 big_picture= *final_picture;
1231 /* better than nothing: use input picture interlaced
1232 settings */
1233 big_picture.interlaced_frame = in_picture->interlaced_frame;
1234 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
828e0bcb 1235 if (ost->top_field_first == -1)
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1236 big_picture.top_field_first = in_picture->top_field_first;
1237 else
828e0bcb 1238 big_picture.top_field_first = !!ost->top_field_first;
6291d7e4
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1239 }
1240
f4ad238c 1241 /* handles same_quant here. This is not correct because it may
6291d7e4
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1242 not be a global option */
1243 big_picture.quality = quality;
d242d80e 1244 if (!enc->me_threshold)
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1245 big_picture.pict_type = 0;
1246// big_picture.pts = AV_NOPTS_VALUE;
1247 big_picture.pts= ost->sync_opts;
1248// big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1249//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1250 if (ost->forced_kf_index < ost->forced_kf_count &&
1251 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1252 big_picture.pict_type = AV_PICTURE_TYPE_I;
1253 ost->forced_kf_index++;
1254 }
1255 ret = avcodec_encode_video(enc,
1256 bit_buffer, bit_buffer_size,
1257 &big_picture);
1258 if (ret < 0) {
e3245b26 1259 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
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1260 exit_program(1);
1261 }
1262
1263 if(ret>0){
1264 pkt.data= bit_buffer;
1265 pkt.size= ret;
1266 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1267 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1268/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1269 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1270 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1271
1272 if(enc->coded_frame->key_frame)
1273 pkt.flags |= AV_PKT_FLAG_KEY;
1274 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1275 *frame_size = ret;
1276 video_size += ret;
1277 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1278 // enc->frame_number-1, ret, enc->pict_type);
1279 /* if two pass, output log */
1280 if (ost->logfile && enc->stats_out) {
1281 fprintf(ost->logfile, "%s", enc->stats_out);
1282 }
1283 }
1284 }
1285 ost->sync_opts++;
1286 ost->frame_number++;
1287 }
1288}
1289
1290static double psnr(double d){
1291 return -10.0*log(d)/log(10.0);
1292}
1293
1294static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1295 int frame_size)
1296{
1297 AVCodecContext *enc;
1298 int frame_number;
1299 double ti1, bitrate, avg_bitrate;
1300
1301 /* this is executed just the first time do_video_stats is called */
1302 if (!vstats_file) {
1303 vstats_file = fopen(vstats_filename, "w");
1304 if (!vstats_file) {
1305 perror("fopen");
1306 exit_program(1);
1307 }
1308 }
1309
1310 enc = ost->st->codec;
1311 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1312 frame_number = ost->frame_number;
1313 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1314 if (enc->flags&CODEC_FLAG_PSNR)
1315 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1316
1317 fprintf(vstats_file,"f_size= %6d ", frame_size);
1318 /* compute pts value */
1319 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1320 if (ti1 < 0.01)
1321 ti1 = 0.01;
1322
1323 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1324 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1325 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1326 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1327 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1328 }
1329}
1330
af70aa45 1331static void print_report(OutputFile *output_files,
4288e031 1332 OutputStream *ost_table, int nb_ostreams,
c5ad2c2c 1333 int is_last_report, int64_t timer_start)
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1334{
1335 char buf[1024];
1336 OutputStream *ost;
1337 AVFormatContext *oc;
1338 int64_t total_size;
1339 AVCodecContext *enc;
1340 int frame_number, vid, i;
1341 double bitrate, ti1, pts;
1342 static int64_t last_time = -1;
1343 static int qp_histogram[52];
1344
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1345 if (!print_stats && !is_last_report)
1346 return;
1347
6291d7e4
AK
1348 if (!is_last_report) {
1349 int64_t cur_time;
1350 /* display the report every 0.5 seconds */
1351 cur_time = av_gettime();
1352 if (last_time == -1) {
1353 last_time = cur_time;
1354 return;
1355 }
1356 if ((cur_time - last_time) < 500000)
1357 return;
1358 last_time = cur_time;
1359 }
1360
1361
af70aa45 1362 oc = output_files[0].ctx;
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1363
1364 total_size = avio_size(oc->pb);
1365 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1366 total_size= avio_tell(oc->pb);
1367
1368 buf[0] = '\0';
1369 ti1 = 1e10;
1370 vid = 0;
1371 for(i=0;i<nb_ostreams;i++) {
1372 float q = -1;
4288e031 1373 ost = &ost_table[i];
6291d7e4 1374 enc = ost->st->codec;
3d813e4c 1375 if (!ost->stream_copy && enc->coded_frame)
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1376 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1377 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1378 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1379 }
1380 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1381 float t = (av_gettime()-timer_start) / 1000000.0;
1382
1383 frame_number = ost->frame_number;
1384 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1385 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1386 if(is_last_report)
1387 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1388 if(qp_hist){
1389 int j;
1390 int qp = lrintf(q);
1391 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1392 qp_histogram[qp]++;
1393 for(j=0; j<32; j++)
1394 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1395 }
1396 if (enc->flags&CODEC_FLAG_PSNR){
1397 int j;
1398 double error, error_sum=0;
1399 double scale, scale_sum=0;
1400 char type[3]= {'Y','U','V'};
1401 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1402 for(j=0; j<3; j++){
1403 if(is_last_report){
1404 error= enc->error[j];
1405 scale= enc->width*enc->height*255.0*255.0*frame_number;
1406 }else{
1407 error= enc->coded_frame->error[j];
1408 scale= enc->width*enc->height*255.0*255.0;
1409 }
1410 if(j) scale/=4;
1411 error_sum += error;
1412 scale_sum += scale;
1413 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1414 }
1415 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1416 }
1417 vid = 1;
1418 }
1419 /* compute min output value */
1420 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1421 if ((pts < ti1) && (pts > 0))
1422 ti1 = pts;
1423 }
1424 if (ti1 < 0.01)
1425 ti1 = 0.01;
1426
e3245b26 1427 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
6291d7e4 1428
e3245b26 1429 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
6291d7e4
AK
1430 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1431 (double)total_size / 1024, ti1, bitrate);
1432
e3245b26
AK
1433 if (nb_frames_dup || nb_frames_drop)
1434 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1435 nb_frames_dup, nb_frames_drop);
6291d7e4 1436
f5646a32 1437 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
6291d7e4 1438
e3245b26 1439 fflush(stderr);
6291d7e4 1440
e3245b26 1441 if (is_last_report) {
6291d7e4 1442 int64_t raw= audio_size + video_size + extra_size;
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AK
1443 av_log(NULL, AV_LOG_INFO, "\n");
1444 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1445 video_size/1024.0,
1446 audio_size/1024.0,
1447 extra_size/1024.0,
1448 100.0*(total_size - raw)/raw
6291d7e4
AK
1449 );
1450 }
1451}
1452
b62b5cb6 1453static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
4a4ce2e7
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1454{
1455 int i, ret;
1456
1457 for (i = 0; i < nb_ostreams; i++) {
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1458 OutputStream *ost = &ost_table[i];
1459 AVCodecContext *enc = ost->st->codec;
1460 AVFormatContext *os = output_files[ost->file_index].ctx;
1461
b62b5cb6 1462 if (!ost->encoding_needed)
6f1c66d5
AK
1463 continue;
1464
1465 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1466 continue;
150ddbc1 1467 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
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1468 continue;
1469
1470 for(;;) {
1471 AVPacket pkt;
1472 int fifo_bytes;
1473 av_init_packet(&pkt);
1474 pkt.stream_index= ost->index;
1475
1476 switch (ost->st->codec->codec_type) {
1477 case AVMEDIA_TYPE_AUDIO:
1478 fifo_bytes = av_fifo_size(ost->fifo);
1479 ret = 0;
1480 /* encode any samples remaining in fifo */
1481 if (fifo_bytes > 0) {
1482 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1483 int fs_tmp = enc->frame_size;
1484
1485 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1486 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1487 enc->frame_size = fifo_bytes / (osize * enc->channels);
1488 } else { /* pad */
1489 int frame_bytes = enc->frame_size*osize*enc->channels;
1490 if (allocated_audio_buf_size < frame_bytes)
4a4ce2e7 1491 exit_program(1);
6f1c66d5 1492 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
4a4ce2e7
AK
1493 }
1494
6f1c66d5
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1495 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1496 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1497 ost->st->time_base.num, enc->sample_rate);
1498 enc->frame_size = fs_tmp;
1499 }
1500 if (ret <= 0) {
1501 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
4a4ce2e7 1502 }
6f1c66d5 1503 if (ret < 0) {
e3245b26 1504 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
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1505 exit_program(1);
1506 }
1507 audio_size += ret;
1508 pkt.flags |= AV_PKT_FLAG_KEY;
1509 break;
1510 case AVMEDIA_TYPE_VIDEO:
1511 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1512 if (ret < 0) {
e3245b26 1513 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
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AK
1514 exit_program(1);
1515 }
1516 video_size += ret;
1517 if(enc->coded_frame && enc->coded_frame->key_frame)
1518 pkt.flags |= AV_PKT_FLAG_KEY;
1519 if (ost->logfile && enc->stats_out) {
1520 fprintf(ost->logfile, "%s", enc->stats_out);
1521 }
1522 break;
1523 default:
1524 ret=-1;
4a4ce2e7 1525 }
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1526
1527 if (ret <= 0)
1528 break;
1529 pkt.data = bit_buffer;
1530 pkt.size = ret;
1531 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1532 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1533 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
4a4ce2e7
AK
1534 }
1535 }
1536}
1537
7204ec1a
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1538/*
1539 * Check whether a packet from ist should be written into ost at this time
1540 */
1541static int check_output_constraints(InputStream *ist, OutputStream *ost)
1542{
1543 OutputFile *of = &output_files[ost->file_index];
1544 int ist_index = ist - input_streams;
1545
1546 if (ost->source_index != ist_index)
1547 return 0;
1548
1549 if (of->start_time && ist->pts < of->start_time)
1550 return 0;
1551
1552 if (of->recording_time != INT64_MAX &&
1553 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1554 (AVRational){1, 1000000}) >= 0) {
1555 ost->is_past_recording_time = 1;
1556 return 0;
1557 }
1558
1559 return 1;
1560}
1561
1562static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1563{
1564 OutputFile *of = &output_files[ost->file_index];
1565 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1566 AVPacket opkt;
1567
1568 av_init_packet(&opkt);
1569
1570 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1571 !ost->copy_initial_nonkeyframes)
1572 return;
1573
1574 /* force the input stream PTS */
1575 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1576 audio_size += pkt->size;
1577 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1578 video_size += pkt->size;
1579 ost->sync_opts++;
1580 }
1581
1582 opkt.stream_index = ost->index;
1583 if (pkt->pts != AV_NOPTS_VALUE)
1584 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1585 else
1586 opkt.pts = AV_NOPTS_VALUE;
1587
1588 if (pkt->dts == AV_NOPTS_VALUE)
1589 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1590 else
1591 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1592 opkt.dts -= ost_tb_start_time;
1593
1594 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1595 opkt.flags = pkt->flags;
1596
1597 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1598 if( ost->st->codec->codec_id != CODEC_ID_H264
1599 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1600 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1601 ) {
1602 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1603 opkt.destruct = av_destruct_packet;
1604 } else {
1605 opkt.data = pkt->data;
1606 opkt.size = pkt->size;
1607 }
1608
1609 write_frame(of->ctx, &opkt, ost->st->codec, ost->bitstream_filters);
1610 ost->st->codec->frame_number++;
1611 ost->frame_number++;
1612 av_free_packet(&opkt);
1613}
1614
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1615static void rate_emu_sleep(InputStream *ist)
1616{
1617 if (input_files[ist->file_index].rate_emu) {
1618 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1619 int64_t now = av_gettime() - ist->start;
1620 if (pts > now)
1621 usleep(pts - now);
1622 }
1623}
1624
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1625static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1626{
d1241ff3
JR
1627 AVFrame *decoded_frame;
1628 AVCodecContext *avctx = ist->st->codec;
ded28ba3 1629 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
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1630 int i, ret;
1631
9179f27c 1632 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
d1241ff3 1633 return AVERROR(ENOMEM);
9179f27c
JR
1634 else
1635 avcodec_get_frame_defaults(ist->decoded_frame);
1636 decoded_frame = ist->decoded_frame;
ded28ba3 1637
d1241ff3
JR
1638 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1639 if (ret < 0) {
ded28ba3 1640 return ret;
d1241ff3 1641 }
ded28ba3 1642
ded28ba3
AK
1643 if (!*got_output) {
1644 /* no audio frame */
af8ad892 1645 return ret;
ded28ba3
AK
1646 }
1647
d1241ff3
JR
1648 /* if the decoder provides a pts, use it instead of the last packet pts.
1649 the decoder could be delaying output by a packet or more. */
1650 if (decoded_frame->pts != AV_NOPTS_VALUE)
1651 ist->next_pts = decoded_frame->pts;
1652
1653 /* increment next_pts to use for the case where the input stream does not
1654 have timestamps or there are multiple frames in the packet */
1655 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1656 avctx->sample_rate;
ded28ba3
AK
1657
1658 // preprocess audio (volume)
1659 if (audio_volume != 256) {
d1241ff3
JR
1660 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1661 void *samples = decoded_frame->data[0];
1662 switch (avctx->sample_fmt) {
ded28ba3
AK
1663 case AV_SAMPLE_FMT_U8:
1664 {
1665 uint8_t *volp = samples;
1666 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1667 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1668 *volp++ = av_clip_uint8(v);
1669 }
1670 break;
1671 }
1672 case AV_SAMPLE_FMT_S16:
1673 {
1674 int16_t *volp = samples;
1675 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1676 int v = ((*volp) * audio_volume + 128) >> 8;
1677 *volp++ = av_clip_int16(v);
1678 }
1679 break;
1680 }
1681 case AV_SAMPLE_FMT_S32:
1682 {
1683 int32_t *volp = samples;
1684 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1685 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1686 *volp++ = av_clipl_int32(v);
1687 }
1688 break;
1689 }
1690 case AV_SAMPLE_FMT_FLT:
1691 {
1692 float *volp = samples;
1693 float scale = audio_volume / 256.f;
1694 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1695 *volp++ *= scale;
1696 }
1697 break;
1698 }
1699 case AV_SAMPLE_FMT_DBL:
1700 {
1701 double *volp = samples;
1702 double scale = audio_volume / 256.;
1703 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1704 *volp++ *= scale;
1705 }
1706 break;
1707 }
1708 default:
1709 av_log(NULL, AV_LOG_FATAL,
1710 "Audio volume adjustment on sample format %s is not supported.\n",
1711 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1712 exit_program(1);
1713 }
1714 }
1715
1716 rate_emu_sleep(ist);
1717
1718 for (i = 0; i < nb_output_streams; i++) {
1719 OutputStream *ost = &output_streams[i];
1720
1721 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1722 continue;
d1241ff3 1723 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
ded28ba3 1724 }
110d2af2 1725
af8ad892 1726 return ret;
ded28ba3
AK
1727}
1728
45d4b66f
AK
1729static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
1730{
1731 AVFrame *decoded_frame, *filtered_frame = NULL;
1732 void *buffer_to_free = NULL;
1733 int i, ret = 0;
1734 float quality;
1735#if CONFIG_AVFILTER
1736 int frame_available = 1;
1737#endif
1738
9179f27c 1739 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
45d4b66f 1740 return AVERROR(ENOMEM);
9179f27c
JR
1741 else
1742 avcodec_get_frame_defaults(ist->decoded_frame);
1743 decoded_frame = ist->decoded_frame;
45d4b66f
AK
1744 pkt->pts = *pkt_pts;
1745 pkt->dts = ist->pts;
1746 *pkt_pts = AV_NOPTS_VALUE;
1747
1748 ret = avcodec_decode_video2(ist->st->codec,
1749 decoded_frame, got_output, pkt);
1750 if (ret < 0)
9179f27c 1751 return ret;
45d4b66f
AK
1752
1753 quality = same_quant ? decoded_frame->quality : 0;
1754 if (!*got_output) {
1755 /* no picture yet */
af8ad892 1756 return ret;
45d4b66f
AK
1757 }
1758 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1759 decoded_frame->pkt_dts);
741a05a2
AK
1760 if (pkt->duration)
1761 ist->next_pts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
1762 else if (ist->st->codec->time_base.num != 0) {
45d4b66f
AK
1763 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
1764 ist->st->codec->ticks_per_frame;
1765 ist->next_pts += ((int64_t)AV_TIME_BASE *
1766 ist->st->codec->time_base.num * ticks) /
1767 ist->st->codec->time_base.den;
1768 }
1769 pkt->size = 0;
1770 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1771
1772 rate_emu_sleep(ist);
1773
1774 for (i = 0; i < nb_output_streams; i++) {
1775 OutputStream *ost = &output_streams[i];
1776 int frame_size;
1777
1778 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1779 continue;
1780
1781#if CONFIG_AVFILTER
1782 if (ost->input_video_filter) {
1783 AVRational sar;
1784 if (ist->st->sample_aspect_ratio.num)
1785 sar = ist->st->sample_aspect_ratio;
1786 else
1787 sar = ist->st->codec->sample_aspect_ratio;
1788 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, ist->pts, sar);
9179f27c
JR
1789 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
1790 av_free(buffer_to_free);
1791 return AVERROR(ENOMEM);
1792 } else
1793 avcodec_get_frame_defaults(ist->filtered_frame);
1794 filtered_frame = ist->filtered_frame;
45d4b66f
AK
1795 frame_available = avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1796 }
1797 while (frame_available) {
1798 AVRational ist_pts_tb;
1799 if (ost->output_video_filter)
1800 get_filtered_video_frame(ost->output_video_filter, filtered_frame, &ost->picref, &ist_pts_tb);
1801 if (ost->picref)
1802 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1803 if (ost->picref->video && !ost->frame_aspect_ratio)
1804 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1805#else
1806 filtered_frame = decoded_frame;
1807#endif
1808
1809 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame, &frame_size,
1810 same_quant ? quality : ost->st->codec->global_quality);
1811 if (vstats_filename && frame_size)
1812 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
1813#if CONFIG_AVFILTER
1814 frame_available = ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1815 if (ost->picref)
1816 avfilter_unref_buffer(ost->picref);
1817 }
45d4b66f
AK
1818#endif
1819 }
1820
45d4b66f 1821 av_free(buffer_to_free);
45d4b66f
AK
1822 return ret;
1823}
1824
9595234c
AK
1825static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1826{
1827 AVSubtitle subtitle;
1828 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1829 &subtitle, got_output, pkt);
1830 if (ret < 0)
1831 return ret;
1832 if (!*got_output)
af8ad892 1833 return ret;
9595234c
AK
1834
1835 rate_emu_sleep(ist);
1836
1837 for (i = 0; i < nb_output_streams; i++) {
1838 OutputStream *ost = &output_streams[i];
1839
1840 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1841 continue;
1842
1843 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
1844 }
1845
1846 avsubtitle_free(&subtitle);
af8ad892 1847 return ret;
9595234c
AK
1848}
1849
6291d7e4 1850/* pkt = NULL means EOF (needed to flush decoder buffers) */
06d4e2fa 1851static int output_packet(InputStream *ist,
4288e031 1852 OutputStream *ost_table, int nb_ostreams,
6291d7e4
AK
1853 const AVPacket *pkt)
1854{
ffa0674e 1855 int i;
6291d7e4 1856 int got_output;
6291d7e4 1857 int64_t pkt_pts = AV_NOPTS_VALUE;
6291d7e4 1858 AVPacket avpkt;
6291d7e4 1859
8b0268a8
AK
1860 if (ist->next_pts == AV_NOPTS_VALUE)
1861 ist->next_pts = ist->pts;
6291d7e4
AK
1862
1863 if (pkt == NULL) {
1864 /* EOF handling */
1865 av_init_packet(&avpkt);
1866 avpkt.data = NULL;
1867 avpkt.size = 0;
1868 goto handle_eof;
1869 } else {
1870 avpkt = *pkt;
1871 }
1872
1873 if(pkt->dts != AV_NOPTS_VALUE)
1874 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1875 if(pkt->pts != AV_NOPTS_VALUE)
1876 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1877
1878 //while we have more to decode or while the decoder did output something on EOF
2a651b71 1879 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
ffa0674e 1880 int ret = 0;
6291d7e4 1881 handle_eof:
6291d7e4 1882
8b0268a8
AK
1883 ist->pts = ist->next_pts;
1884
1885 if (avpkt.size && avpkt.size != pkt->size) {
e3245b26
AK
1886 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1887 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
8b0268a8
AK
1888 ist->showed_multi_packet_warning = 1;
1889 }
6291d7e4 1890
78162b4e 1891 switch(ist->st->codec->codec_type) {
82963f8f
AK
1892 case AVMEDIA_TYPE_AUDIO:
1893 ret = transcode_audio (ist, &avpkt, &got_output);
1894 break;
1895 case AVMEDIA_TYPE_VIDEO:
1896 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
1897 break;
1898 case AVMEDIA_TYPE_SUBTITLE:
1899 ret = transcode_subtitles(ist, &avpkt, &got_output);
1900 break;
78162b4e
AK
1901 default:
1902 return -1;
1903 }
6291d7e4 1904
d3c1d37a
AK
1905 if (ret < 0)
1906 return ret;
aa38cff2
JG
1907 // touch data and size only if not EOF
1908 if (pkt) {
1909 avpkt.data += ret;
1910 avpkt.size -= ret;
1911 }
82963f8f 1912 if (!got_output) {
af8ad892 1913 continue;
82963f8f 1914 }
6291d7e4 1915 }
6291d7e4 1916
7204ec1a 1917 /* handle stream copy */
2a651b71
AK
1918 if (!ist->decoding_needed) {
1919 rate_emu_sleep(ist);
91b412e7 1920 ist->pts = ist->next_pts;
2a651b71
AK
1921 switch (ist->st->codec->codec_type) {
1922 case AVMEDIA_TYPE_AUDIO:
1923 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1924 ist->st->codec->sample_rate;
1925 break;
1926 case AVMEDIA_TYPE_VIDEO:
1927 if (ist->st->codec->time_base.num != 0) {
1928 int ticks = ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1929 ist->next_pts += ((int64_t)AV_TIME_BASE *
1930 ist->st->codec->time_base.num * ticks) /
1931 ist->st->codec->time_base.den;
1932 }
1933 break;
1934 }
1935 }
7204ec1a 1936 for (i = 0; pkt && i < nb_ostreams; i++) {
ffa0674e 1937 OutputStream *ost = &ost_table[i];
7204ec1a
AK
1938
1939 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1940 continue;
1941
1942 do_streamcopy(ist, ost, pkt);
1943 }
1944
6291d7e4
AK
1945 return 0;
1946}
1947
af70aa45 1948static void print_sdp(OutputFile *output_files, int n)
6291d7e4
AK
1949{
1950 char sdp[2048];
af70aa45
AK
1951 int i;
1952 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1953
1954 if (!avc)
1955 exit_program(1);
1956 for (i = 0; i < n; i++)
1957 avc[i] = output_files[i].ctx;
6291d7e4
AK
1958
1959 av_sdp_create(avc, n, sdp, sizeof(sdp));
1960 printf("SDP:\n%s\n", sdp);
1961 fflush(stdout);
af70aa45 1962 av_freep(&avc);
6291d7e4
AK
1963}
1964
630902a1
AK
1965static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1966 char *error, int error_len)
1967{
1968 int i;
1969 InputStream *ist = &input_streams[ist_index];
1970 if (ist->decoding_needed) {
1971 AVCodec *codec = ist->dec;
630902a1 1972 if (!codec) {
9a414d89 1973 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
630902a1
AK
1974 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1975 return AVERROR(EINVAL);
1976 }
1977
1978 /* update requested sample format for the decoder based on the
1979 corresponding encoder sample format */
1980 for (i = 0; i < nb_output_streams; i++) {
1981 OutputStream *ost = &output_streams[i];
1982 if (ost->source_index == ist_index) {
1983 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1984 break;
1985 }
1986 }
1987
1988 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
9a414d89 1989 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
630902a1
AK
1990 ist->file_index, ist->st->index);
1991 return AVERROR(EINVAL);
1992 }
1993 assert_codec_experimental(ist->st->codec, 0);
1994 assert_avoptions(ist->opts);
1995 }
1996
1997 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;
1998 ist->next_pts = AV_NOPTS_VALUE;
1999 init_pts_correction(&ist->pts_ctx);
2000 ist->is_start = 1;
2001
2002 return 0;
2003}
2004
eaf2d37a
AC
2005static int transcode_init(OutputFile *output_files,
2006 int nb_output_files,
2007 InputFile *input_files,
2008 int nb_input_files)
6291d7e4 2009{
2c474ddb 2010 int ret = 0, i, j, k;
1bb77e51 2011 AVFormatContext *oc;
6291d7e4 2012 AVCodecContext *codec, *icodec;
4288e031 2013 OutputStream *ost;
6291d7e4
AK
2014 InputStream *ist;
2015 char error[1024];
2016 int want_sdp = 1;
b0c9e8e0 2017
f4805328
AK
2018 /* init framerate emulation */
2019 for (i = 0; i < nb_input_files; i++) {
2020 InputFile *ifile = &input_files[i];
2021 if (ifile->rate_emu)
2022 for (j = 0; j < ifile->nb_streams; j++)
2023 input_streams[j + ifile->ist_index].start = av_gettime();
2024 }
6291d7e4
AK
2025
2026 /* output stream init */
03f30c83 2027 for (i = 0; i < nb_output_files; i++) {
1bb77e51
AK
2028 oc = output_files[i].ctx;
2029 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2030 av_dump_format(oc, i, oc->filename, 1);
e3245b26 2031 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
eaf2d37a 2032 return AVERROR(EINVAL);
6291d7e4 2033 }
6291d7e4
AK
2034 }
2035
2036 /* for each output stream, we compute the right encoding parameters */
4288e031
AK
2037 for (i = 0; i < nb_output_streams; i++) {
2038 ost = &output_streams[i];
03f30c83 2039 oc = output_files[ost->file_index].ctx;
6291d7e4
AK
2040 ist = &input_streams[ost->source_index];
2041
4dbc6cee
AK
2042 if (ost->attachment_filename)
2043 continue;
2044
03f30c83 2045 codec = ost->st->codec;
6291d7e4
AK
2046 icodec = ist->st->codec;
2047
03f30c83
AK
2048 ost->st->disposition = ist->st->disposition;
2049 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
6291d7e4
AK
2050 codec->chroma_sample_location = icodec->chroma_sample_location;
2051
3d813e4c 2052 if (ost->stream_copy) {
6291d7e4
AK
2053 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2054
e6d2b737 2055 if (extra_size > INT_MAX) {
eaf2d37a 2056 return AVERROR(EINVAL);
e6d2b737 2057 }
6291d7e4
AK
2058
2059 /* if stream_copy is selected, no need to decode or encode */
03f30c83 2060 codec->codec_id = icodec->codec_id;
6291d7e4
AK
2061 codec->codec_type = icodec->codec_type;
2062
03f30c83
AK
2063 if (!codec->codec_tag) {
2064 if (!oc->oformat->codec_tag ||
2065 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2066 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
6291d7e4
AK
2067 codec->codec_tag = icodec->codec_tag;
2068 }
2069
03f30c83 2070 codec->bit_rate = icodec->bit_rate;
6291d7e4
AK
2071 codec->rc_max_rate = icodec->rc_max_rate;
2072 codec->rc_buffer_size = icodec->rc_buffer_size;
4bf3c8f2 2073 codec->field_order = icodec->field_order;
03f30c83 2074 codec->extradata = av_mallocz(extra_size);
e6d2b737 2075 if (!codec->extradata) {
eaf2d37a 2076 return AVERROR(ENOMEM);
e6d2b737 2077 }
6291d7e4 2078 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
03f30c83 2079 codec->extradata_size = icodec->extradata_size;
7bb3e625 2080 if (!copy_tb) {
03f30c83 2081 codec->time_base = icodec->time_base;
6291d7e4
AK
2082 codec->time_base.num *= icodec->ticks_per_frame;
2083 av_reduce(&codec->time_base.num, &codec->time_base.den,
2084 codec->time_base.num, codec->time_base.den, INT_MAX);
03f30c83 2085 } else
6291d7e4 2086 codec->time_base = ist->st->time_base;
03f30c83 2087
6291d7e4
AK
2088 switch(codec->codec_type) {
2089 case AVMEDIA_TYPE_AUDIO:
2090 if(audio_volume != 256) {
e3245b26 2091 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
6291d7e4
AK
2092 exit_program(1);
2093 }
03f30c83
AK
2094 codec->channel_layout = icodec->channel_layout;
2095 codec->sample_rate = icodec->sample_rate;
2096 codec->channels = icodec->channels;
2097 codec->frame_size = icodec->frame_size;
6291d7e4 2098 codec->audio_service_type = icodec->audio_service_type;
03f30c83 2099 codec->block_align = icodec->block_align;
6291d7e4
AK
2100 break;
2101 case AVMEDIA_TYPE_VIDEO:
03f30c83
AK
2102 codec->pix_fmt = icodec->pix_fmt;
2103 codec->width = icodec->width;
2104 codec->height = icodec->height;
2105 codec->has_b_frames = icodec->has_b_frames;
6291d7e4 2106 if (!codec->sample_aspect_ratio.num) {
03f30c83 2107 codec->sample_aspect_ratio =
6291d7e4
AK
2108 ost->st->sample_aspect_ratio =
2109 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2110 ist->st->codec->sample_aspect_ratio.num ?
2111 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2112 }
2113 break;
2114 case AVMEDIA_TYPE_SUBTITLE:
03f30c83 2115 codec->width = icodec->width;
6291d7e4
AK
2116 codec->height = icodec->height;
2117 break;
2118 case AVMEDIA_TYPE_DATA:
3ccd1580 2119 case AVMEDIA_TYPE_ATTACHMENT:
6291d7e4
AK
2120 break;
2121 default:
2122 abort();
2123 }
2124 } else {
2125 if (!ost->enc)
2126 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
03f30c83 2127
11fdb7e1
AK
2128 ist->decoding_needed = 1;
2129 ost->encoding_needed = 1;
03f30c83 2130
6291d7e4
AK
2131 switch(codec->codec_type) {
2132 case AVMEDIA_TYPE_AUDIO:
03f30c83 2133 ost->fifo = av_fifo_alloc(1024);
e6d2b737 2134 if (!ost->fifo) {
eaf2d37a 2135 return AVERROR(ENOMEM);
e6d2b737 2136 }
6291d7e4 2137 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
03f30c83 2138
d0a19696 2139 if (!codec->sample_rate)
6291d7e4 2140 codec->sample_rate = icodec->sample_rate;
6291d7e4
AK
2141 choose_sample_rate(ost->st, ost->enc);
2142 codec->time_base = (AVRational){1, codec->sample_rate};
03f30c83 2143
6291d7e4
AK
2144 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2145 codec->sample_fmt = icodec->sample_fmt;
2146 choose_sample_fmt(ost->st, ost->enc);
03f30c83 2147
6291d7e4
AK
2148 if (!codec->channels)
2149 codec->channels = icodec->channels;
2150 codec->channel_layout = icodec->channel_layout;
2151 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2152 codec->channel_layout = 0;
03f30c83
AK
2153
2154 ost->audio_resample = codec-> sample_rate != icodec->sample_rate || audio_sync_method > 1;
2155 icodec->request_channels = codec-> channels;
6291d7e4
AK
2156 ost->resample_sample_fmt = icodec->sample_fmt;
2157 ost->resample_sample_rate = icodec->sample_rate;
2158 ost->resample_channels = icodec->channels;
2159 break;
2160 case AVMEDIA_TYPE_VIDEO:
2161 if (codec->pix_fmt == PIX_FMT_NONE)
2162 codec->pix_fmt = icodec->pix_fmt;
2163 choose_pixel_fmt(ost->st, ost->enc);
2164
2165 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
e3245b26 2166 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
6291d7e4
AK
2167 exit_program(1);
2168 }
2169
2170 if (!codec->width || !codec->height) {
2171 codec->width = icodec->width;
2172 codec->height = icodec->height;
2173 }
2174
2175 ost->video_resample = codec->width != icodec->width ||
2176 codec->height != icodec->height ||
2177 codec->pix_fmt != icodec->pix_fmt;
2178 if (ost->video_resample) {
2179#if !CONFIG_AVFILTER
2180 avcodec_get_frame_defaults(&ost->pict_tmp);
2181 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2182 codec->width, codec->height)) {
e3245b26 2183 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
6291d7e4
AK
2184 exit_program(1);
2185 }
2186 ost->img_resample_ctx = sws_getContext(
2187 icodec->width,
2188 icodec->height,
2189 icodec->pix_fmt,
2190 codec->width,
2191 codec->height,
2192 codec->pix_fmt,
2193 ost->sws_flags, NULL, NULL, NULL);
2194 if (ost->img_resample_ctx == NULL) {
e3245b26 2195 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
6291d7e4
AK
2196 exit_program(1);
2197 }
2198#endif
2199 codec->bits_per_raw_sample= 0;
2200 }
2201
03f30c83
AK
2202 ost->resample_height = icodec->height;
2203 ost->resample_width = icodec->width;
2204 ost->resample_pix_fmt = icodec->pix_fmt;
6291d7e4
AK
2205
2206 if (!ost->frame_rate.num)
2207 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
bef737a7 2208 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
6291d7e4
AK
2209 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2210 ost->frame_rate = ost->enc->supported_framerates[idx];
2211 }
2212 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2213
2214#if CONFIG_AVFILTER
2215 if (configure_video_filters(ist, ost)) {
e3245b26 2216 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
6291d7e4
AK
2217 exit(1);
2218 }
2219#endif
2220 break;
2221 case AVMEDIA_TYPE_SUBTITLE:
6291d7e4
AK
2222 break;
2223 default:
2224 abort();
2225 break;
2226 }
2227 /* two pass mode */
515901fa 2228 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
6291d7e4
AK
2229 char logfilename[1024];
2230 FILE *f;
2231
2232 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2233 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2234 i);
2235 if (codec->flags & CODEC_FLAG_PASS1) {
2236 f = fopen(logfilename, "wb");
2237 if (!f) {
e3245b26
AK
2238 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2239 logfilename, strerror(errno));
6291d7e4
AK
2240 exit_program(1);
2241 }
2242 ost->logfile = f;
2243 } else {
2244 char *logbuffer;
2245 size_t logbuffer_size;
02170990 2246 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
e3245b26
AK
2247 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2248 logfilename);
6291d7e4
AK
2249 exit_program(1);
2250 }
2251 codec->stats_in = logbuffer;
2252 }
2253 }
2254 }
2255 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
03f30c83
AK
2256 int size = codec->width * codec->height;
2257 bit_buffer_size = FFMAX(bit_buffer_size, 6*size + 200);
6291d7e4
AK
2258 }
2259 }
2260
2261 if (!bit_buffer)
2262 bit_buffer = av_malloc(bit_buffer_size);
2263 if (!bit_buffer) {
e3245b26
AK
2264 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2265 bit_buffer_size);
eaf2d37a 2266 return AVERROR(ENOMEM);
6291d7e4
AK
2267 }
2268
2269 /* open each encoder */
4288e031
AK
2270 for (i = 0; i < nb_output_streams; i++) {
2271 ost = &output_streams[i];
6291d7e4 2272 if (ost->encoding_needed) {
03f30c83 2273 AVCodec *codec = ost->enc;
6291d7e4
AK
2274 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2275 if (!codec) {
9a414d89 2276 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d:%d",
6291d7e4
AK
2277 ost->st->codec->codec_id, ost->file_index, ost->index);
2278 ret = AVERROR(EINVAL);
2279 goto dump_format;
2280 }
2281 if (dec->subtitle_header) {
2282 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2283 if (!ost->st->codec->subtitle_header) {
2284 ret = AVERROR(ENOMEM);
2285 goto dump_format;
2286 }
2287 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2288 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2289 }
2290 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
9a414d89 2291 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
6291d7e4
AK
2292 ost->file_index, ost->index);
2293 ret = AVERROR(EINVAL);
2294 goto dump_format;
2295 }
2296 assert_codec_experimental(ost->st->codec, 1);
2297 assert_avoptions(ost->opts);
2298 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2299 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2300 "It takes bits/s as argument, not kbits/s\n");
2301 extra_size += ost->st->codec->extradata_size;
d242d80e
AK
2302
2303 if (ost->st->codec->me_threshold)
2304 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
6291d7e4
AK
2305 }
2306 }
2307
630902a1
AK
2308 /* init input streams */
2309 for (i = 0; i < nb_input_streams; i++)
62486948 2310 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
630902a1 2311 goto dump_format;
6291d7e4 2312
2c474ddb
AK
2313 /* discard unused programs */
2314 for (i = 0; i < nb_input_files; i++) {
2315 InputFile *ifile = &input_files[i];
2316 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2317 AVProgram *p = ifile->ctx->programs[j];
2318 int discard = AVDISCARD_ALL;
2319
2320 for (k = 0; k < p->nb_stream_indexes; k++)
2321 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2322 discard = AVDISCARD_DEFAULT;
2323 break;
2324 }
2325 p->discard = discard;
2326 }
2327 }
2328
6291d7e4 2329 /* open files and write file headers */
af70aa45 2330 for (i = 0; i < nb_output_files; i++) {
1bb77e51
AK
2331 oc = output_files[i].ctx;
2332 oc->interrupt_callback = int_cb;
2333 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
6291d7e4
AK
2334 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2335 ret = AVERROR(EINVAL);
2336 goto dump_format;
2337 }
af70aa45 2338 assert_avoptions(output_files[i].opts);
1bb77e51 2339 if (strcmp(oc->oformat->name, "rtp")) {
6291d7e4
AK
2340 want_sdp = 0;
2341 }
2342 }
2343
2344 dump_format:
2345 /* dump the file output parameters - cannot be done before in case
2346 of stream copy */
03f30c83 2347 for (i = 0; i < nb_output_files; i++) {
af70aa45 2348 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
6291d7e4
AK
2349 }
2350
2351 /* dump the stream mapping */
e3245b26
AK
2352 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2353 for (i = 0; i < nb_output_streams; i++) {
2354 ost = &output_streams[i];
4dbc6cee
AK
2355
2356 if (ost->attachment_filename) {
2357 /* an attached file */
2358 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2359 ost->attachment_filename, ost->file_index, ost->index);
2360 continue;
2361 }
9a414d89 2362 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
e3245b26
AK
2363 input_streams[ost->source_index].file_index,
2364 input_streams[ost->source_index].st->index,
2365 ost->file_index,
2366 ost->index);
2367 if (ost->sync_ist != &input_streams[ost->source_index])
9a414d89 2368 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
e3245b26
AK
2369 ost->sync_ist->file_index,
2370 ost->sync_ist->st->index);
3d813e4c 2371 if (ost->stream_copy)
e3245b26
AK
2372 av_log(NULL, AV_LOG_INFO, " (copy)");
2373 else
2374 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2375 input_streams[ost->source_index].dec->name : "?",
2376 ost->enc ? ost->enc->name : "?");
2377 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
2378 }
2379
2380 if (ret) {
e3245b26 2381 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 2382 return ret;
6291d7e4
AK
2383 }
2384
2385 if (want_sdp) {
2386 print_sdp(output_files, nb_output_files);
2387 }
2388
eaf2d37a
AC
2389 return 0;
2390}
2391
2392/*
2393 * The following code is the main loop of the file converter
2394 */
2395static int transcode(OutputFile *output_files,
2396 int nb_output_files,
2397 InputFile *input_files,
2398 int nb_input_files)
2399{
2400 int ret, i;
2401 AVFormatContext *is, *os;
2402 OutputStream *ost;
2403 InputStream *ist;
2404 uint8_t *no_packet;
2405 int no_packet_count=0;
2406 int64_t timer_start;
2407
2408 if (!(no_packet = av_mallocz(nb_input_files)))
2409 exit_program(1);
2410
2411 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2412 if (ret < 0)
2413 goto fail;
2414
e3245b26 2415 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2416 term_init();
2417
2418 timer_start = av_gettime();
2419
2420 for(; received_sigterm == 0;) {
2421 int file_index, ist_index;
2422 AVPacket pkt;
9be3c124 2423 int64_t ipts_min;
6291d7e4
AK
2424 double opts_min;
2425
9be3c124 2426 ipts_min = INT64_MAX;
6291d7e4
AK
2427 opts_min= 1e100;
2428
2429 /* select the stream that we must read now by looking at the
2430 smallest output pts */
2431 file_index = -1;
4288e031 2432 for (i = 0; i < nb_output_streams; i++) {
f21f294e 2433 OutputFile *of;
9be3c124
AC
2434 int64_t ipts;
2435 double opts;
4288e031 2436 ost = &output_streams[i];
f21f294e 2437 of = &output_files[ost->file_index];
af70aa45 2438 os = output_files[ost->file_index].ctx;
6291d7e4 2439 ist = &input_streams[ost->source_index];
f21f294e
AK
2440 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2441 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
6291d7e4 2442 continue;
c0931508 2443 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
9be3c124 2444 ipts = ist->pts;
6291d7e4
AK
2445 if (!input_files[ist->file_index].eof_reached){
2446 if(ipts < ipts_min) {
2447 ipts_min = ipts;
2448 if(input_sync ) file_index = ist->file_index;
2449 }
2450 if(opts < opts_min) {
2451 opts_min = opts;
2452 if(!input_sync) file_index = ist->file_index;
2453 }
2454 }
96139b5e
AK
2455 if (ost->frame_number >= ost->max_frames) {
2456 int j;
9b921a82
AK
2457 for (j = 0; j < of->ctx->nb_streams; j++)
2458 output_streams[of->ost_index + j].is_past_recording_time = 1;
96139b5e 2459 continue;
6291d7e4
AK
2460 }
2461 }
2462 /* if none, if is finished */
2463 if (file_index < 0) {
2464 if(no_packet_count){
2465 no_packet_count=0;
b0c9e8e0 2466 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2467 usleep(10000);
2468 continue;
2469 }
2470 break;
2471 }
2472
6291d7e4
AK
2473 /* read a frame from it and output it in the fifo */
2474 is = input_files[file_index].ctx;
2475 ret= av_read_frame(is, &pkt);
2476 if(ret == AVERROR(EAGAIN)){
2477 no_packet[file_index]=1;
2478 no_packet_count++;
2479 continue;
2480 }
2481 if (ret < 0) {
2482 input_files[file_index].eof_reached = 1;
2483 if (opt_shortest)
2484 break;
2485 else
2486 continue;
2487 }
2488
2489 no_packet_count=0;
b0c9e8e0 2490 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2491
2492 if (do_pkt_dump) {
2493 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2494 is->streams[pkt.stream_index]);
2495 }
2496 /* the following test is needed in case new streams appear
2497 dynamically in stream : we ignore them */
ed5b1326 2498 if (pkt.stream_index >= input_files[file_index].nb_streams)
6291d7e4
AK
2499 goto discard_packet;
2500 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2501 ist = &input_streams[ist_index];
2502 if (ist->discard)
2503 goto discard_packet;
2504
2505 if (pkt.dts != AV_NOPTS_VALUE)
2506 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2507 if (pkt.pts != AV_NOPTS_VALUE)
2508 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2509
33f75d72
AK
2510 if(pkt.pts != AV_NOPTS_VALUE)
2511 pkt.pts *= ist->ts_scale;
2512 if(pkt.dts != AV_NOPTS_VALUE)
2513 pkt.dts *= ist->ts_scale;
6291d7e4
AK
2514
2515// 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);
2516 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2517 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2518 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2519 int64_t delta= pkt_dts - ist->next_pts;
2520 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2521 input_files[ist->file_index].ts_offset -= delta;
e3245b26
AK
2522 av_log(NULL, AV_LOG_DEBUG, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2523 delta, input_files[ist->file_index].ts_offset);
6291d7e4
AK
2524 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2525 if(pkt.pts != AV_NOPTS_VALUE)
2526 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2527 }
2528 }
2529
6291d7e4 2530 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
06d4e2fa 2531 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
6291d7e4 2532
9a414d89 2533 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
e3245b26 2534 ist->file_index, ist->st->index);
6291d7e4
AK
2535 if (exit_on_error)
2536 exit_program(1);
2537 av_free_packet(&pkt);
b9630bcf 2538 continue;
6291d7e4
AK
2539 }
2540
2541 discard_packet:
2542 av_free_packet(&pkt);
2543
2544 /* dump report by using the output first video and audio streams */
c5ad2c2c 2545 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
6291d7e4
AK
2546 }
2547
2548 /* at the end of stream, we must flush the decoder buffers */
2549 for (i = 0; i < nb_input_streams; i++) {
2550 ist = &input_streams[i];
2551 if (ist->decoding_needed) {
06d4e2fa 2552 output_packet(ist, output_streams, nb_output_streams, NULL);
6291d7e4
AK
2553 }
2554 }
b62b5cb6 2555 flush_encoders(output_streams, nb_output_streams);
6291d7e4
AK
2556
2557 term_exit();
2558
2559 /* write the trailer if needed and close file */
2560 for(i=0;i<nb_output_files;i++) {
af70aa45 2561 os = output_files[i].ctx;
6291d7e4
AK
2562 av_write_trailer(os);
2563 }
2564
2565 /* dump report by using the first video and audio streams */
c5ad2c2c 2566 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
6291d7e4
AK
2567
2568 /* close each encoder */
4288e031
AK
2569 for (i = 0; i < nb_output_streams; i++) {
2570 ost = &output_streams[i];
6291d7e4
AK
2571 if (ost->encoding_needed) {
2572 av_freep(&ost->st->codec->stats_in);
2573 avcodec_close(ost->st->codec);
2574 }
2575#if CONFIG_AVFILTER
2576 avfilter_graph_free(&ost->graph);
2577#endif
2578 }
2579
2580 /* close each decoder */
2581 for (i = 0; i < nb_input_streams; i++) {
2582 ist = &input_streams[i];
2583 if (ist->decoding_needed) {
2584 avcodec_close(ist->st->codec);
2585 }
2586 }
2587
2588 /* finished ! */
2589 ret = 0;
2590
2591 fail:
2592 av_freep(&bit_buffer);
b0c9e8e0 2593 av_freep(&no_packet);
6291d7e4 2594
4288e031
AK
2595 if (output_streams) {
2596 for (i = 0; i < nb_output_streams; i++) {
2597 ost = &output_streams[i];
6291d7e4 2598 if (ost) {
3d813e4c 2599 if (ost->stream_copy)
6291d7e4
AK
2600 av_freep(&ost->st->codec->extradata);
2601 if (ost->logfile) {
2602 fclose(ost->logfile);
2603 ost->logfile = NULL;
2604 }
2605 av_fifo_free(ost->fifo); /* works even if fifo is not
2606 initialized but set to zero */
2607 av_freep(&ost->st->codec->subtitle_header);
2608 av_free(ost->pict_tmp.data[0]);
2609 av_free(ost->forced_kf_pts);
2610 if (ost->video_resample)
2611 sws_freeContext(ost->img_resample_ctx);
2612 if (ost->resample)
2613 audio_resample_close(ost->resample);
2614 if (ost->reformat_ctx)
2615 av_audio_convert_free(ost->reformat_ctx);
2616 av_dict_free(&ost->opts);
6291d7e4
AK
2617 }
2618 }
6291d7e4
AK
2619 }
2620 return ret;
2621}
2622
ca46fde7 2623static double parse_frame_aspect_ratio(const char *arg)
6291d7e4
AK
2624{
2625 int x = 0, y = 0;
2626 double ar = 0;
2627 const char *p;
2628 char *end;
2629
2630 p = strchr(arg, ':');
2631 if (p) {
2632 x = strtol(arg, &end, 10);
2633 if (end == p)
2634 y = strtol(end+1, &end, 10);
2635 if (x > 0 && y > 0)
2636 ar = (double)x / (double)y;
2637 } else
2638 ar = strtod(arg, NULL);
2639
2640 if (!ar) {
e3245b26 2641 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
ca46fde7 2642 exit_program(1);
6291d7e4 2643 }
ca46fde7 2644 return ar;
6291d7e4
AK
2645}
2646
35e6f8c1 2647static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2648{
35e6f8c1 2649 return parse_option(o, "codec:a", arg, options);
6291d7e4
AK
2650}
2651
35e6f8c1 2652static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2653{
35e6f8c1 2654 return parse_option(o, "codec:v", arg, options);
6291d7e4
AK
2655}
2656
35e6f8c1 2657static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2658{
35e6f8c1 2659 return parse_option(o, "codec:s", arg, options);
6291d7e4
AK
2660}
2661
35e6f8c1 2662static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2663{
35e6f8c1 2664 return parse_option(o, "codec:d", arg, options);
6291d7e4
AK
2665}
2666
575ec4e1 2667static int opt_map(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2668{
8d2e4a7e
AK
2669 StreamMap *m = NULL;
2670 int i, negative = 0, file_idx;
2671 int sync_file_idx = -1, sync_stream_idx;
2672 char *p, *sync;
2673 char *map;
6291d7e4 2674
8d2e4a7e
AK
2675 if (*arg == '-') {
2676 negative = 1;
2677 arg++;
2678 }
2679 map = av_strdup(arg);
6291d7e4 2680
8d2e4a7e
AK
2681 /* parse sync stream first, just pick first matching stream */
2682 if (sync = strchr(map, ',')) {
2683 *sync = 0;
2684 sync_file_idx = strtol(sync + 1, &sync, 0);
2685 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
f24facd3 2686 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
8d2e4a7e
AK
2687 exit_program(1);
2688 }
2689 if (*sync)
2690 sync++;
ed5b1326 2691 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
8d2e4a7e
AK
2692 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2693 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2694 sync_stream_idx = i;
2695 break;
2696 }
ed5b1326 2697 if (i == input_files[sync_file_idx].nb_streams) {
f24facd3 2698 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
8d2e4a7e
AK
2699 "match any streams.\n", arg);
2700 exit_program(1);
2701 }
2702 }
6291d7e4 2703
8d2e4a7e
AK
2704
2705 file_idx = strtol(map, &p, 0);
2706 if (file_idx >= nb_input_files || file_idx < 0) {
f24facd3 2707 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
8d2e4a7e 2708 exit_program(1);
6291d7e4 2709 }
8d2e4a7e
AK
2710 if (negative)
2711 /* disable some already defined maps */
575ec4e1
AK
2712 for (i = 0; i < o->nb_stream_maps; i++) {
2713 m = &o->stream_maps[i];
e6674f68
AK
2714 if (file_idx == m->file_index &&
2715 check_stream_specifier(input_files[m->file_index].ctx,
8d2e4a7e
AK
2716 input_files[m->file_index].ctx->streams[m->stream_index],
2717 *p == ':' ? p + 1 : p) > 0)
2718 m->disabled = 1;
2719 }
2720 else
ed5b1326 2721 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
8d2e4a7e
AK
2722 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2723 *p == ':' ? p + 1 : p) <= 0)
2724 continue;
575ec4e1
AK
2725 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2726 &o->nb_stream_maps, o->nb_stream_maps + 1);
2727 m = &o->stream_maps[o->nb_stream_maps - 1];
8d2e4a7e
AK
2728
2729 m->file_index = file_idx;
2730 m->stream_index = i;
2731
2732 if (sync_file_idx >= 0) {
2733 m->sync_file_index = sync_file_idx;
2734 m->sync_stream_index = sync_stream_idx;
2735 } else {
2736 m->sync_file_index = file_idx;
2737 m->sync_stream_index = i;
2738 }
2739 }
2740
2741 if (!m) {
f24facd3 2742 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
8d2e4a7e
AK
2743 exit_program(1);
2744 }
2745
2746 av_freep(&map);
6291d7e4
AK
2747 return 0;
2748}
2749
4dbc6cee
AK
2750static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
2751{
2752 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
2753 &o->nb_attachments, o->nb_attachments + 1);
2754 o->attachments[o->nb_attachments - 1] = arg;
2755 return 0;
2756}
2757
a7b5e841
AK
2758/**
2759 * Parse a metadata specifier in arg.
2760 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
2761 * @param index for type c/p, chapter/program index is written here
2762 * @param stream_spec for type s, the stream specifier is written here
2763 */
2764static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
6291d7e4 2765{
039267f1 2766 if (*arg) {
a2a38d96 2767 *type = *arg;
6291d7e4
AK
2768 switch (*arg) {
2769 case 'g':
2770 break;
2771 case 's':
a7b5e841
AK
2772 if (*(++arg) && *arg != ':') {
2773 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
2774 exit_program(1);
2775 }
2776 *stream_spec = *arg == ':' ? arg + 1 : "";
2777 break;
6291d7e4
AK
2778 case 'c':
2779 case 'p':
e6e6060c
AK
2780 if (*(++arg) == ':')
2781 *index = strtol(++arg, NULL, 0);
6291d7e4
AK
2782 break;
2783 default:
e3245b26 2784 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
6291d7e4
AK
2785 exit_program(1);
2786 }
2787 } else
2788 *type = 'g';
2789}
2790
a7b5e841 2791static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
6291d7e4 2792{
a7b5e841
AK
2793 AVDictionary **meta_in = NULL;
2794 AVDictionary **meta_out;
2795 int i, ret = 0;
2796 char type_in, type_out;
2797 const char *istream_spec = NULL, *ostream_spec = NULL;
2798 int idx_in = 0, idx_out = 0;
6291d7e4 2799
a7b5e841
AK
2800 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
2801 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
6291d7e4 2802
a7b5e841 2803 if (type_in == 'g' || type_out == 'g')
847529f8 2804 o->metadata_global_manual = 1;
a7b5e841 2805 if (type_in == 's' || type_out == 's')
847529f8 2806 o->metadata_streams_manual = 1;
a7b5e841 2807 if (type_in == 'c' || type_out == 'c')
847529f8 2808 o->metadata_chapters_manual = 1;
6291d7e4 2809
a7b5e841
AK
2810#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2811 if ((index) < 0 || (index) >= (nb_elems)) {\
2812 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
2813 (desc), (index));\
2814 exit_program(1);\
2815 }
2816
2817#define SET_DICT(type, meta, context, index)\
2818 switch (type) {\
2819 case 'g':\
2820 meta = &context->metadata;\
2821 break;\
2822 case 'c':\
2823 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
2824 meta = &context->chapters[index]->metadata;\
2825 break;\
2826 case 'p':\
2827 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
2828 meta = &context->programs[index]->metadata;\
2829 break;\
2830 }\
2831
2832 SET_DICT(type_in, meta_in, ic, idx_in);
2833 SET_DICT(type_out, meta_out, oc, idx_out);
2834
2835 /* for input streams choose first matching stream */
2836 if (type_in == 's') {
2837 for (i = 0; i < ic->nb_streams; i++) {
2838 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
2839 meta_in = &ic->streams[i]->metadata;
2840 break;
2841 } else if (ret < 0)
2842 exit_program(1);
2843 }
2844 if (!meta_in) {
2845 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
2846 exit_program(1);
2847 }
2848 }
2849
2850 if (type_out == 's') {
2851 for (i = 0; i < oc->nb_streams; i++) {
2852 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
2853 meta_out = &oc->streams[i]->metadata;
2854 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
2855 } else if (ret < 0)
2856 exit_program(1);
2857 }
2858 } else
2859 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
2860
6291d7e4
AK
2861 return 0;
2862}
2863
1b648c7c 2864static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
169f0647
AK
2865{
2866 const char *codec_string = encoder ? "encoder" : "decoder";
2867 AVCodec *codec;
2868
169f0647
AK
2869 codec = encoder ?
2870 avcodec_find_encoder_by_name(name) :
2871 avcodec_find_decoder_by_name(name);
2872 if(!codec) {
f24facd3 2873 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
169f0647
AK
2874 exit_program(1);
2875 }
2876 if(codec->type != type) {
f24facd3 2877 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
169f0647
AK
2878 exit_program(1);
2879 }
1b648c7c 2880 return codec;
169f0647
AK
2881}
2882
1b648c7c 2883static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
169f0647 2884{
169f0647 2885 char *codec_name = NULL;
169f0647 2886
35e6f8c1 2887 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
1b648c7c
AK
2888 if (codec_name) {
2889 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
2890 st->codec->codec_id = codec->id;
2891 return codec;
2892 } else
2893 return avcodec_find_decoder(st->codec->codec_id);
169f0647 2894}
6291d7e4 2895
88867844
AK
2896/**
2897 * Add all the streams from the given input file to the global
2898 * list of input streams.
2899 */
35e6f8c1 2900static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
88867844 2901{
33f75d72 2902 int i, rfps, rfps_base;
88867844
AK
2903
2904 for (i = 0; i < ic->nb_streams; i++) {
2905 AVStream *st = ic->streams[i];
2906 AVCodecContext *dec = st->codec;
2907 InputStream *ist;
2908
88867844
AK
2909 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2910 ist = &input_streams[nb_input_streams - 1];
2911 ist->st = st;
2912 ist->file_index = nb_input_files;
2913 ist->discard = 1;
2914 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2915
059fb8c8
AK
2916 ist->ts_scale = 1.0;
2917 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
88867844 2918
1b648c7c 2919 ist->dec = choose_decoder(o, ic, st);
88867844
AK
2920
2921 switch (dec->codec_type) {
2922 case AVMEDIA_TYPE_AUDIO:
2130981a 2923 if (o->audio_disable)
88867844
AK
2924 st->discard= AVDISCARD_ALL;
2925 break;
2926 case AVMEDIA_TYPE_VIDEO:
2927 rfps = ic->streams[i]->r_frame_rate.num;
2928 rfps_base = ic->streams[i]->r_frame_rate.den;
2929 if (dec->lowres) {
2930 dec->flags |= CODEC_FLAG_EMU_EDGE;
2931 dec->height >>= dec->lowres;
2932 dec->width >>= dec->lowres;
2933 }
88867844
AK
2934
2935 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2936
e3245b26
AK
2937 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",
2938 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2939 (float)rfps / rfps_base, rfps, rfps_base);
88867844
AK
2940 }
2941
2130981a 2942 if (o->video_disable)
88867844
AK
2943 st->discard= AVDISCARD_ALL;
2944 else if(video_discard)
2945 st->discard= video_discard;
2946 break;
2947 case AVMEDIA_TYPE_DATA:
2948 break;
2949 case AVMEDIA_TYPE_SUBTITLE:
2130981a 2950 if (o->subtitle_disable)
88867844
AK
2951 st->discard = AVDISCARD_ALL;
2952 break;
2953 case AVMEDIA_TYPE_ATTACHMENT:
2954 case AVMEDIA_TYPE_UNKNOWN:
2955 break;
2956 default:
2957 abort();
2958 }
2959 }
2960}
2961
a2c0b830
AK
2962static void assert_file_overwrite(const char *filename)
2963{
2964 if (!file_overwrite &&
2965 (strchr(filename, ':') == NULL || filename[1] == ':' ||
2966 av_strstart(filename, "file:", NULL))) {
2967 if (avio_check(filename, 0) == 0) {
2968 if (!using_stdin) {
2969 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
2970 fflush(stderr);
2971 if (!read_yesno()) {
2972 fprintf(stderr, "Not overwriting - exiting\n");
2973 exit_program(1);
2974 }
2975 }
2976 else {
2977 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
2978 exit_program(1);
2979 }
2980 }
2981 }
2982}
2983
2984static void dump_attachment(AVStream *st, const char *filename)
2985{
2986 int ret;
2987 AVIOContext *out = NULL;
2988 AVDictionaryEntry *e;
2989
2990 if (!st->codec->extradata_size) {
2991 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
2992 nb_input_files - 1, st->index);
2993 return;
2994 }
2995 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
2996 filename = e->value;
2997 if (!*filename) {
2998 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
2999 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3000 exit_program(1);
3001 }
3002
3003 assert_file_overwrite(filename);
3004
2abe947a 3005 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
a2c0b830
AK
3006 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3007 filename);
3008 exit_program(1);
3009 }
3010
3011 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3012 avio_flush(out);
3013 avio_close(out);
3014}
3015
575ec4e1 3016static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
6291d7e4
AK
3017{
3018 AVFormatContext *ic;
3019 AVInputFormat *file_iformat = NULL;
88867844 3020 int err, i, ret;
6291d7e4
AK
3021 int64_t timestamp;
3022 uint8_t buf[128];
3023 AVDictionary **opts;
3024 int orig_nb_streams; // number of streams before avformat_find_stream_info
3025
7041bb3b
AK
3026 if (o->format) {
3027 if (!(file_iformat = av_find_input_format(o->format))) {
e3245b26 3028 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
6291d7e4
AK
3029 exit_program(1);
3030 }
6291d7e4
AK
3031 }
3032
3033 if (!strcmp(filename, "-"))
3034 filename = "pipe:";
3035
3036 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3037 !strcmp(filename, "/dev/stdin");
3038
3039 /* get default parameters from command line */
3040 ic = avformat_alloc_context();
3041 if (!ic) {
3042 print_error(filename, AVERROR(ENOMEM));
3043 exit_program(1);
3044 }
e2469ccf
AK
3045 if (o->nb_audio_sample_rate) {
3046 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
6291d7e4
AK
3047 av_dict_set(&format_opts, "sample_rate", buf, 0);
3048 }
6a11686d
AK
3049 if (o->nb_audio_channels) {
3050 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
6291d7e4
AK
3051 av_dict_set(&format_opts, "channels", buf, 0);
3052 }
91ea4811
AK
3053 if (o->nb_frame_rates) {
3054 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
6291d7e4 3055 }
d4397b03
AK
3056 if (o->nb_frame_sizes) {
3057 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
6291d7e4 3058 }
b2254d83
AK
3059 if (o->nb_frame_pix_fmts)
3060 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
6291d7e4 3061
6291d7e4 3062 ic->flags |= AVFMT_FLAG_NONBLOCK;
2abe947a 3063 ic->interrupt_callback = int_cb;
6291d7e4
AK
3064
3065 /* open the input file with generic libav function */
3066 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3067 if (err < 0) {
3068 print_error(filename, err);
3069 exit_program(1);
3070 }
3071 assert_avoptions(format_opts);
3072
92f1940e
AK
3073 /* apply forced codec ids */
3074 for (i = 0; i < ic->nb_streams; i++)
1b648c7c 3075 choose_decoder(o, ic, ic->streams[i]);
92f1940e 3076
6291d7e4
AK
3077 /* Set AVCodecContext options for avformat_find_stream_info */
3078 opts = setup_find_stream_info_opts(ic, codec_opts);
3079 orig_nb_streams = ic->nb_streams;
3080
3081 /* If not enough info to get the stream parameters, we decode the
3082 first frames to get it. (used in mpeg case for example) */
3083 ret = avformat_find_stream_info(ic, opts);
e3245b26
AK
3084 if (ret < 0) {
3085 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
cd3716b9 3086 avformat_close_input(&ic);
6291d7e4
AK
3087 exit_program(1);
3088 }
3089
6b779ccc 3090 timestamp = o->start_time;
6291d7e4
AK
3091 /* add the stream start time */
3092 if (ic->start_time != AV_NOPTS_VALUE)
3093 timestamp += ic->start_time;
3094
3095 /* if seeking requested, we execute it */
6b779ccc 3096 if (o->start_time != 0) {
6291d7e4
AK
3097 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3098 if (ret < 0) {
e3245b26
AK
3099 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3100 filename, (double)timestamp / AV_TIME_BASE);
6291d7e4 3101 }
6291d7e4
AK
3102 }
3103
3104 /* update the current parameters so that they match the one of the input stream */
35e6f8c1 3105 add_input_streams(o, ic);
6291d7e4
AK
3106
3107 /* dump the file content */
e3245b26 3108 av_dump_format(ic, nb_input_files, filename, 0);
6291d7e4
AK
3109
3110 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3111 input_files[nb_input_files - 1].ctx = ic;
3112 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
6b779ccc 3113 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
ed5b1326 3114 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
dc3e76f3 3115 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
6291d7e4 3116
a2c0b830
AK
3117 for (i = 0; i < o->nb_dump_attachment; i++) {
3118 int j;
3119
3120 for (j = 0; j < ic->nb_streams; j++) {
3121 AVStream *st = ic->streams[j];
3122
3123 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3124 dump_attachment(st, o->dump_attachment[i].u.str);
3125 }
3126 }
3127
6291d7e4
AK
3128 for (i = 0; i < orig_nb_streams; i++)
3129 av_dict_free(&opts[i]);
3130 av_freep(&opts);
575ec4e1
AK
3131
3132 reset_options(o);
6291d7e4
AK
3133 return 0;
3134}
3135
f233cfed
AK
3136static void parse_forced_key_frames(char *kf, OutputStream *ost,
3137 AVCodecContext *avctx)
3138{
3139 char *p;
3140 int n = 1, i;
3141 int64_t t;
3142
3143 for (p = kf; *p; p++)
3144 if (*p == ',')
3145 n++;
3146 ost->forced_kf_count = n;
3147 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3148 if (!ost->forced_kf_pts) {
3149 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3150 exit_program(1);
3151 }
3152 for (i = 0; i < n; i++) {
3153 p = i ? strchr(p, ',') + 1 : kf;
3154 t = parse_time_or_die("force_key_frames", p, 1);
3155 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3156 }
3157}
3158
3ec34462
AK
3159static uint8_t *get_line(AVIOContext *s)
3160{
3161 AVIOContext *line;
3162 uint8_t *buf;
3163 char c;
3164
3165 if (avio_open_dyn_buf(&line) < 0) {
3166 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3167 exit_program(1);
3168 }
3169
3170 while ((c = avio_r8(s)) && c != '\n')
3171 avio_w8(line, c);
3172 avio_w8(line, 0);
3173 avio_close_dyn_buf(line, &buf);
3174
3175 return buf;
3176}
3177
3178static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3179{
3180 int i, ret = 1;
3181 char filename[1000];
3182 const char *base[3] = { getenv("AVCONV_DATADIR"),
3183 getenv("HOME"),
3184 AVCONV_DATADIR,
3185 };
3186
3187 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3188 if (!base[i])
3189 continue;
3190 if (codec_name) {
3191 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3192 i != 1 ? "" : "/.avconv", codec_name, preset_name);
2abe947a 3193 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3ec34462
AK
3194 }
3195 if (ret) {
3196 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3197 i != 1 ? "" : "/.avconv", preset_name);
2abe947a 3198 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3ec34462
AK
3199 }
3200 }
3201 return ret;
3202}
3203
1b648c7c
AK
3204static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3205{
3206 char *codec_name = NULL;
3207
3208 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3209 if (!codec_name) {
3210 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3211 NULL, ost->st->codec->codec_type);
3212 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3213 } else if (!strcmp(codec_name, "copy"))
3d813e4c 3214 ost->stream_copy = 1;
1b648c7c
AK
3215 else {
3216 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3217 ost->st->codec->codec_id = ost->enc->id;
3218 }
3219}
3220
35e6f8c1 3221static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
169f0647
AK
3222{
3223 OutputStream *ost;
84ad31ff 3224 AVStream *st = avformat_new_stream(oc, NULL);
3ec34462 3225 int idx = oc->nb_streams - 1, ret = 0;
013887eb 3226 char *bsf = NULL, *next, *codec_tag = NULL;
d821cbe2 3227 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
77d9c454 3228 double qscale = -1;
3ec34462
AK
3229 char *buf = NULL, *arg = NULL, *preset = NULL;
3230 AVIOContext *s = NULL;
169f0647
AK
3231
3232 if (!st) {
f24facd3 3233 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
169f0647
AK
3234 exit_program(1);
3235 }
3236
84ad31ff
AK
3237 if (oc->nb_streams - 1 < o->nb_streamid_map)
3238 st->id = o->streamid_map[oc->nb_streams - 1];
3239
4288e031
AK
3240 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3241 nb_output_streams + 1);
3242 ost = &output_streams[nb_output_streams - 1];
40fc2810 3243 ost->file_index = nb_output_files;
169f0647
AK
3244 ost->index = idx;
3245 ost->st = st;
3246 st->codec->codec_type = type;
1b648c7c 3247 choose_encoder(o, oc, ost);
169f0647
AK
3248 if (ost->enc) {
3249 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3250 }
3251
3252 avcodec_get_context_defaults3(st->codec, ost->enc);
3253 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3254
3ec34462
AK
3255 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3256 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3257 do {
3258 buf = get_line(s);
3259 if (!buf[0] || buf[0] == '#') {
3260 av_free(buf);
3261 continue;
3262 }
3263 if (!(arg = strchr(buf, '='))) {
3264 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3265 exit_program(1);
3266 }
3267 *arg++ = 0;
3268 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3269 av_free(buf);
3270 } while (!s->eof_reached);
3271 avio_close(s);
3272 }
3273 if (ret) {
3274 av_log(NULL, AV_LOG_FATAL,
3275 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3276 preset, ost->file_index, ost->index);
3277 exit_program(1);
3278 }
3279
059fb8c8
AK
3280 ost->max_frames = INT64_MAX;
3281 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
96139b5e 3282
d821cbe2
AK
3283 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3284 while (bsf) {
3285 if (next = strchr(bsf, ','))
3286 *next++ = 0;
3287 if (!(bsfc = av_bitstream_filter_init(bsf))) {
f24facd3 3288 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
d821cbe2
AK
3289 exit_program(1);
3290 }
3291 if (bsfc_prev)
3292 bsfc_prev->next = bsfc;
3293 else
3294 ost->bitstream_filters = bsfc;
3295
3296 bsfc_prev = bsfc;
3297 bsf = next;
3298 }
3299
013887eb
AK
3300 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3301 if (codec_tag) {
3302 uint32_t tag = strtol(codec_tag, &next, 0);
3303 if (*next)
3304 tag = AV_RL32(codec_tag);
3305 st->codec->codec_tag = tag;
3306 }
3307
77d9c454
AK
3308 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3309 if (qscale >= 0 || same_quant) {
3310 st->codec->flags |= CODEC_FLAG_QSCALE;
3311 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3312 }
3313
becdce99
AK
3314 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3315 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3316
3b3ea346 3317 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
169f0647
AK
3318 return ost;
3319}
3320
2c2cff16
AK
3321static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3322{
3323 int i;
3324 const char *p = str;
3325 for(i = 0;; i++) {
3326 dest[i] = atoi(p);
3327 if(i == 63)
3328 break;
3329 p = strchr(p, ',');
3330 if(!p) {
e3245b26 3331 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
2c2cff16
AK
3332 exit_program(1);
3333 }
3334 p++;
3335 }
3336}
3337
35e6f8c1 3338static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3339{
3340 AVStream *st;
3341 OutputStream *ost;
3342 AVCodecContext *video_enc;
6291d7e4 3343
35e6f8c1 3344 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
6291d7e4 3345 st = ost->st;
6291d7e4
AK
3346 video_enc = st->codec;
3347
3d813e4c 3348 if (!ost->stream_copy) {
0e68c783 3349 const char *p = NULL;
d4397b03 3350 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
b2254d83 3351 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
8e5ce590 3352 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
059fb8c8 3353 int i;
6291d7e4 3354
91ea4811
AK
3355 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3356 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
f24facd3 3357 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
91ea4811
AK
3358 exit_program(1);
3359 }
6291d7e4 3360
d4397b03
AK
3361 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3362 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
f24facd3 3363 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
d4397b03
AK
3364 exit_program(1);
3365 }
3366
ca46fde7
AK
3367 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3368 if (frame_aspect_ratio)
3369 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3370
b2254d83
AK
3371 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3372 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
f24facd3 3373 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
b2254d83
AK
3374 exit_program(1);
3375 }
6291d7e4
AK
3376 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3377
2c2cff16
AK
3378 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3379 if (intra_matrix) {
3380 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
f24facd3 3381 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
2c2cff16
AK
3382 exit_program(1);
3383 }
3384 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3385 }
3386 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3387 if (inter_matrix) {
3388 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
f24facd3 3389 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
2c2cff16
AK
3390 exit_program(1);
3391 }
3392 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3393 }
6291d7e4 3394
0e68c783 3395 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
6291d7e4
AK
3396 for(i=0; p; i++){
3397 int start, end, q;
3398 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3399 if(e!=3){
e3245b26 3400 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
6291d7e4
AK
3401 exit_program(1);
3402 }
3403 video_enc->rc_override=
3404 av_realloc(video_enc->rc_override,
3405 sizeof(RcOverride)*(i+1));
3406 video_enc->rc_override[i].start_frame= start;
3407 video_enc->rc_override[i].end_frame = end;
3408 if(q>0){
3409 video_enc->rc_override[i].qscale= q;
3410 video_enc->rc_override[i].quality_factor= 1.0;
3411 }
3412 else{
3413 video_enc->rc_override[i].qscale= 0;
3414 video_enc->rc_override[i].quality_factor= -q/100.0;
3415 }
3416 p= strchr(p, '/');
3417 if(p) p++;
3418 }
3419 video_enc->rc_override_count=i;
3420 if (!video_enc->rc_initial_buffer_occupancy)
3421 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
6291d7e4
AK
3422 video_enc->intra_dc_precision= intra_dc_precision - 8;
3423
6291d7e4
AK
3424 /* two pass mode */
3425 if (do_pass) {
3426 if (do_pass == 1) {
3427 video_enc->flags |= CODEC_FLAG_PASS1;
3428 } else {
3429 video_enc->flags |= CODEC_FLAG_PASS2;
3430 }
3431 }
3432
7c029672 3433 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
6291d7e4
AK
3434 if (forced_key_frames)
3435 parse_forced_key_frames(forced_key_frames, ost, video_enc);
bef737a7 3436
059fb8c8 3437 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
828e0bcb 3438
059fb8c8
AK
3439 ost->top_field_first = -1;
3440 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
8e5ce590 3441
a2aeeb22
AK
3442 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
3443
8e5ce590
AK
3444#if CONFIG_AVFILTER
3445 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
3446 if (filters)
3447 ost->avfilter = av_strdup(filters);
3448#endif
6291d7e4 3449 }
6291d7e4 3450
3d4f0dab 3451 return ost;
6291d7e4
AK
3452}
3453
35e6f8c1 3454static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3455{
3456 AVStream *st;
3457 OutputStream *ost;
6291d7e4 3458 AVCodecContext *audio_enc;
6291d7e4 3459
35e6f8c1 3460 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
6291d7e4
AK
3461 st = ost->st;
3462
6291d7e4
AK
3463 audio_enc = st->codec;
3464 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3465
3d813e4c 3466 if (!ost->stream_copy) {
05bffc12
AK
3467 char *sample_fmt = NULL;
3468
6a11686d
AK
3469 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3470
05bffc12
AK
3471 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3472 if (sample_fmt &&
3473 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
f24facd3 3474 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
05bffc12
AK
3475 exit_program(1);
3476 }
3477
e2469ccf 3478 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
6291d7e4 3479 }
6291d7e4 3480
3d4f0dab 3481 return ost;
6291d7e4
AK
3482}
3483
35e6f8c1 3484static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4 3485{
6291d7e4 3486 OutputStream *ost;
6291d7e4 3487
35e6f8c1 3488 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3d813e4c 3489 if (!ost->stream_copy) {
e3245b26 3490 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
6291d7e4
AK
3491 exit_program(1);
3492 }
3493
3d4f0dab 3494 return ost;
6291d7e4
AK
3495}
3496
3ccd1580
AK
3497static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
3498{
3499 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
3d813e4c 3500 ost->stream_copy = 1;
3ccd1580
AK
3501 return ost;
3502}
3503
35e6f8c1 3504static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3505{
3506 AVStream *st;
3507 OutputStream *ost;
6291d7e4 3508 AVCodecContext *subtitle_enc;
6291d7e4 3509
35e6f8c1 3510 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
6291d7e4
AK
3511 st = ost->st;
3512 subtitle_enc = st->codec;
3513
6291d7e4
AK
3514 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3515
3d4f0dab 3516 return ost;
6291d7e4
AK
3517}
3518
3519/* arg format is "output-stream-index:streamid-value". */
495ecfd1 3520static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
6291d7e4
AK
3521{
3522 int idx;
3523 char *p;
3524 char idx_str[16];
3525
3526 av_strlcpy(idx_str, arg, sizeof(idx_str));
3527 p = strchr(idx_str, ':');
3528 if (!p) {
e3245b26
AK
3529 av_log(NULL, AV_LOG_FATAL,
3530 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3531 arg, opt);
6291d7e4
AK
3532 exit_program(1);
3533 }
3534 *p++ = '\0';
3535 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
495ecfd1
AK
3536 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
3537 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
6291d7e4
AK
3538 return 0;
3539}
3540
847529f8 3541static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
86530f41 3542{
6b779ccc
AK
3543 AVFormatContext *is = ifile->ctx;
3544 AVFormatContext *os = ofile->ctx;
86530f41
AK
3545 int i;
3546
3547 for (i = 0; i < is->nb_chapters; i++) {
3548 AVChapter *in_ch = is->chapters[i], *out_ch;
6b779ccc 3549 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
86530f41 3550 AV_TIME_BASE_Q, in_ch->time_base);
6b779ccc
AK
3551 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3552 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
86530f41
AK
3553
3554
3555 if (in_ch->end < ts_off)
3556 continue;
3557 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3558 break;
3559
3560 out_ch = av_mallocz(sizeof(AVChapter));
3561 if (!out_ch)
3562 return AVERROR(ENOMEM);
3563
3564 out_ch->id = in_ch->id;
3565 out_ch->time_base = in_ch->time_base;
3566 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3567 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3568
847529f8 3569 if (copy_metadata)
86530f41
AK
3570 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3571
3572 os->nb_chapters++;
3573 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3574 if (!os->chapters)
3575 return AVERROR(ENOMEM);
3576 os->chapters[os->nb_chapters - 1] = out_ch;
3577 }
3578 return 0;
3579}
3580
7cc8d638 3581static void opt_output_file(void *optctx, const char *filename)
6291d7e4 3582{
575ec4e1 3583 OptionsContext *o = optctx;
6291d7e4 3584 AVFormatContext *oc;
3d4f0dab 3585 int i, err;
6291d7e4 3586 AVOutputFormat *file_oformat;
3d4f0dab
AK
3587 OutputStream *ost;
3588 InputStream *ist;
6291d7e4
AK
3589
3590 if (!strcmp(filename, "-"))
3591 filename = "pipe:";
3592
3593 oc = avformat_alloc_context();
3594 if (!oc) {
3595 print_error(filename, AVERROR(ENOMEM));
3596 exit_program(1);
3597 }
3598
7041bb3b
AK
3599 if (o->format) {
3600 file_oformat = av_guess_format(o->format, NULL, NULL);
6291d7e4 3601 if (!file_oformat) {
e3245b26 3602 av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format);
6291d7e4
AK
3603 exit_program(1);
3604 }
6291d7e4
AK
3605 } else {
3606 file_oformat = av_guess_format(NULL, filename, NULL);
3607 if (!file_oformat) {
e3245b26
AK
3608 av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n",
3609 filename);
6291d7e4
AK
3610 exit_program(1);
3611 }
3612 }
3613
3614 oc->oformat = file_oformat;
2abe947a 3615 oc->interrupt_callback = int_cb;
6291d7e4
AK
3616 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3617
5bf66380 3618 if (!o->nb_stream_maps) {
3d4f0dab
AK
3619 /* pick the "best" stream of each type */
3620#define NEW_STREAM(type, index)\
3621 if (index >= 0) {\
35e6f8c1 3622 ost = new_ ## type ## _stream(o, oc);\
3d4f0dab
AK
3623 ost->source_index = index;\
3624 ost->sync_ist = &input_streams[index];\
3625 input_streams[index].discard = 0;\
3626 }
3627
3628 /* video: highest resolution */
2130981a 3629 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3d4f0dab
AK
3630 int area = 0, idx = -1;
3631 for (i = 0; i < nb_input_streams; i++) {
3632 ist = &input_streams[i];
3633 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3634 ist->st->codec->width * ist->st->codec->height > area) {
3635 area = ist->st->codec->width * ist->st->codec->height;
3636 idx = i;
3637 }
3638 }
3639 NEW_STREAM(video, idx);
3640 }
3641
3642 /* audio: most channels */
2130981a 3643 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3d4f0dab
AK
3644 int channels = 0, idx = -1;