lavfi: add asyncts filter.
[libav.git] / avconv.c
CommitLineData
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1/*
2 * avconv main
3 * Copyright (c) 2000-2011 The libav developers.
4 *
5 * This file is part of Libav.
6 *
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#include "config.h"
23#include <ctype.h>
24#include <string.h>
25#include <math.h>
26#include <stdlib.h>
27#include <errno.h>
28#include <signal.h>
29#include <limits.h>
30#include <unistd.h>
31#include "libavformat/avformat.h"
32#include "libavdevice/avdevice.h"
33#include "libswscale/swscale.h"
bcb82fe1 34#include "libavresample/avresample.h"
6291d7e4 35#include "libavutil/opt.h"
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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"
64dca32c 47#include "libavutil/imgutils.h"
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48#include "libavformat/os_support.h"
49
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50# include "libavfilter/avfilter.h"
51# include "libavfilter/avfiltergraph.h"
04a14d4d 52# include "libavfilter/buffersrc.h"
ac712309 53# include "libavfilter/buffersink.h"
6291d7e4 54# include "libavfilter/vsrc_buffer.h"
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55
56#if HAVE_SYS_RESOURCE_H
57#include <sys/types.h>
58#include <sys/time.h>
59#include <sys/resource.h>
60#elif HAVE_GETPROCESSTIMES
61#include <windows.h>
62#endif
63#if HAVE_GETPROCESSMEMORYINFO
64#include <windows.h>
65#include <psapi.h>
66#endif
67
68#if HAVE_SYS_SELECT_H
69#include <sys/select.h>
70#endif
71
72#include <time.h>
73
74#include "cmdutils.h"
75
76#include "libavutil/avassert.h"
77
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78#define VSYNC_AUTO -1
79#define VSYNC_PASSTHROUGH 0
80#define VSYNC_CFR 1
81#define VSYNC_VFR 2
82
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83const char program_name[] = "avconv";
84const int program_birth_year = 2000;
85
86/* select an input stream for an output stream */
87typedef struct StreamMap {
8d2e4a7e 88 int disabled; /** 1 is this mapping is disabled by a negative map */
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89 int file_index;
90 int stream_index;
91 int sync_file_index;
92 int sync_stream_index;
3b266da3 93 char *linklabel; /** name of an output link, for mapping lavfi outputs */
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94} StreamMap;
95
96/**
97 * select an input file for an output file
98 */
99typedef struct MetadataMap {
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100 int file; ///< file index
101 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
102 int index; ///< stream/chapter/program number
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103} MetadataMap;
104
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105static const OptionDef options[];
106
6291d7e4 107static int video_discard = 0;
f4ad238c 108static int same_quant = 0;
6291d7e4 109static int do_deinterlace = 0;
6291d7e4 110static int intra_dc_precision = 8;
6291d7e4 111static int qp_hist = 0;
6291d7e4 112
6291d7e4 113static int file_overwrite = 0;
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114static int do_benchmark = 0;
115static int do_hex_dump = 0;
116static int do_pkt_dump = 0;
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117static int do_pass = 0;
118static char *pass_logfilename_prefix = NULL;
e8c04f62 119static int video_sync_method = VSYNC_AUTO;
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120static int audio_sync_method = 0;
121static float audio_drift_threshold = 0.1;
122static int copy_ts = 0;
7bb3e625 123static int copy_tb = 1;
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124static int opt_shortest = 0;
125static char *vstats_filename;
126static FILE *vstats_file;
6291d7e4 127
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128static int audio_volume = 256;
129
130static int exit_on_error = 0;
131static int using_stdin = 0;
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132static int64_t video_size = 0;
133static int64_t audio_size = 0;
134static int64_t extra_size = 0;
135static int nb_frames_dup = 0;
136static int nb_frames_drop = 0;
137static int input_sync;
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138
139static float dts_delta_threshold = 10;
140
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141static int print_stats = 1;
142
6291d7e4 143static uint8_t *audio_buf;
ee458cb1 144static unsigned int allocated_audio_buf_size;
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145static uint8_t *async_buf;
146static unsigned int allocated_async_buf_size;
6291d7e4 147
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148#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
149
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150typedef struct InputFilter {
151 AVFilterContext *filter;
152 struct InputStream *ist;
153 struct FilterGraph *graph;
154} InputFilter;
155
156typedef struct OutputFilter {
157 AVFilterContext *filter;
158 struct OutputStream *ost;
159 struct FilterGraph *graph;
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160
161 /* temporary storage until stream maps are processed */
162 AVFilterInOut *out_tmp;
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163} OutputFilter;
164
165typedef struct FilterGraph {
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166 int index;
167 const char *graph_desc;
168
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169 AVFilterGraph *graph;
170
171 InputFilter **inputs;
172 int nb_inputs;
173 OutputFilter **outputs;
174 int nb_outputs;
175} FilterGraph;
176
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177typedef struct FrameBuffer {
178 uint8_t *base[4];
179 uint8_t *data[4];
180 int linesize[4];
181
182 int h, w;
183 enum PixelFormat pix_fmt;
184
185 int refcount;
186 struct InputStream *ist;
187 struct FrameBuffer *next;
188} FrameBuffer;
189
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190typedef struct InputStream {
191 int file_index;
192 AVStream *st;
193 int discard; /* true if stream data should be discarded */
194 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
195 AVCodec *dec;
9179f27c 196 AVFrame *decoded_frame;
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197
198 int64_t start; /* time when read started */
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199 /* predicted dts of the next packet read for this stream or (when there are
200 * several frames in a packet) of the next frame in current packet */
201 int64_t next_dts;
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202 /* dts of the last packet read for this stream */
203 int64_t last_dts;
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204 PtsCorrectionContext pts_ctx;
205 double ts_scale;
206 int is_start; /* is 1 at the start and after a discontinuity */
207 int showed_multi_packet_warning;
208 AVDictionary *opts;
64dca32c 209
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210 int resample_height;
211 int resample_width;
212 int resample_pix_fmt;
213
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214 /* a pool of free buffers for decoded data */
215 FrameBuffer *buffer_pool;
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216
217 /* decoded data from this stream goes into all those filters
218 * currently video only */
219 InputFilter **filters;
220 int nb_filters;
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221} InputStream;
222
223typedef struct InputFile {
224 AVFormatContext *ctx;
225 int eof_reached; /* true if eof reached */
226 int ist_index; /* index of first stream in ist_table */
227 int buffer_size; /* current total buffer size */
228 int64_t ts_offset;
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229 int nb_streams; /* number of stream that avconv is aware of; may be different
230 from ctx.nb_streams if new streams appear during av_read_frame() */
f4805328 231 int rate_emu;
6494c001 232} InputFile;
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233
234typedef struct OutputStream {
235 int file_index; /* file index */
236 int index; /* stream index in the output file */
237 int source_index; /* InputStream index */
238 AVStream *st; /* stream in the output file */
239 int encoding_needed; /* true if encoding needed for this stream */
240 int frame_number;
241 /* input pts and corresponding output pts
242 for A/V sync */
7636c8c6 243 // double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
6291d7e4 244 struct InputStream *sync_ist; /* input stream to sync against */
7636c8c6 245 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
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246 /* pts of the first frame encoded for this stream, used for limiting
247 * recording time */
248 int64_t first_pts;
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249 AVBitStreamFilterContext *bitstream_filters;
250 AVCodec *enc;
96139b5e 251 int64_t max_frames;
ee458cb1 252 AVFrame *output_frame;
836ce905 253 AVFrame *filtered_frame;
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254
255 /* video only */
6291d7e4 256 AVRational frame_rate;
bef737a7 257 int force_fps;
828e0bcb 258 int top_field_first;
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259
260 float frame_aspect_ratio;
560f7774 261 float last_quality;
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262
263 /* forced key frames */
264 int64_t *forced_kf_pts;
265 int forced_kf_count;
266 int forced_kf_index;
267
268 /* audio only */
269 int audio_resample;
bcb82fe1 270 AVAudioResampleContext *avr;
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271 int resample_sample_fmt;
272 int resample_channels;
bcb82fe1 273 uint64_t resample_channel_layout;
6291d7e4 274 int resample_sample_rate;
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275 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
276 FILE *logfile;
277
560f7774 278 OutputFilter *filter;
6291d7e4 279 char *avfilter;
6291d7e4 280
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281 int64_t sws_flags;
282 AVDictionary *opts;
283 int is_past_recording_time;
284 int stream_copy;
285 const char *attachment_filename;
286 int copy_initial_nonkeyframes;
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287
288 enum PixelFormat pix_fmts[2];
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289} OutputStream;
290
6291d7e4 291
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292typedef struct OutputFile {
293 AVFormatContext *ctx;
294 AVDictionary *opts;
4288e031 295 int ost_index; /* index of the first stream in output_streams */
ef44a607 296 int64_t recording_time; /* desired length of the resulting file in microseconds */
ea065176 297 int64_t start_time; /* start time in microseconds */
f21f294e 298 uint64_t limit_filesize;
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299} OutputFile;
300
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301static InputStream **input_streams = NULL;
302static int nb_input_streams = 0;
303static InputFile **input_files = NULL;
304static int nb_input_files = 0;
6291d7e4 305
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306static OutputStream **output_streams = NULL;
307static int nb_output_streams = 0;
308static OutputFile **output_files = NULL;
309static int nb_output_files = 0;
af70aa45 310
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311static FilterGraph **filtergraphs;
312int nb_filtergraphs;
313
575ec4e1 314typedef struct OptionsContext {
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315 /* input/output options */
316 int64_t start_time;
7041bb3b 317 const char *format;
6b779ccc 318
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319 SpecifierOpt *codec_names;
320 int nb_codec_names;
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321 SpecifierOpt *audio_channels;
322 int nb_audio_channels;
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323 SpecifierOpt *audio_sample_rate;
324 int nb_audio_sample_rate;
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325 SpecifierOpt *frame_rates;
326 int nb_frame_rates;
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327 SpecifierOpt *frame_sizes;
328 int nb_frame_sizes;
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329 SpecifierOpt *frame_pix_fmts;
330 int nb_frame_pix_fmts;
35e6f8c1 331
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332 /* input options */
333 int64_t input_ts_offset;
f4805328 334 int rate_emu;
6b779ccc 335
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336 SpecifierOpt *ts_scale;
337 int nb_ts_scale;
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338 SpecifierOpt *dump_attachment;
339 int nb_dump_attachment;
33f75d72 340
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341 /* output options */
342 StreamMap *stream_maps;
343 int nb_stream_maps;
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344 /* first item specifies output metadata, second is input */
345 MetadataMap (*meta_data_maps)[2];
346 int nb_meta_data_maps;
347 int metadata_global_manual;
348 int metadata_streams_manual;
349 int metadata_chapters_manual;
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350 const char **attachments;
351 int nb_attachments;
6b779ccc 352
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353 int chapters_input_file;
354
6b779ccc 355 int64_t recording_time;
13ccba50 356 uint64_t limit_filesize;
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357 float mux_preload;
358 float mux_max_delay;
039267f1 359
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360 int video_disable;
361 int audio_disable;
362 int subtitle_disable;
363 int data_disable;
364
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365 /* indexed by output file stream index */
366 int *streamid_map;
367 int nb_streamid_map;
368
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369 SpecifierOpt *metadata;
370 int nb_metadata;
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371 SpecifierOpt *max_frames;
372 int nb_max_frames;
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373 SpecifierOpt *bitstream_filters;
374 int nb_bitstream_filters;
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375 SpecifierOpt *codec_tags;
376 int nb_codec_tags;
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377 SpecifierOpt *sample_fmts;
378 int nb_sample_fmts;
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379 SpecifierOpt *qscale;
380 int nb_qscale;
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381 SpecifierOpt *forced_key_frames;
382 int nb_forced_key_frames;
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383 SpecifierOpt *force_fps;
384 int nb_force_fps;
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385 SpecifierOpt *frame_aspect_ratios;
386 int nb_frame_aspect_ratios;
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387 SpecifierOpt *rc_overrides;
388 int nb_rc_overrides;
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389 SpecifierOpt *intra_matrices;
390 int nb_intra_matrices;
391 SpecifierOpt *inter_matrices;
392 int nb_inter_matrices;
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393 SpecifierOpt *top_field_first;
394 int nb_top_field_first;
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395 SpecifierOpt *metadata_map;
396 int nb_metadata_map;
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397 SpecifierOpt *presets;
398 int nb_presets;
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399 SpecifierOpt *copy_initial_nonkeyframes;
400 int nb_copy_initial_nonkeyframes;
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401 SpecifierOpt *filters;
402 int nb_filters;
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403} OptionsContext;
404
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405#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
406{\
407 int i, ret;\
408 for (i = 0; i < o->nb_ ## name; i++) {\
409 char *spec = o->name[i].specifier;\
410 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
411 outvar = o->name[i].u.type;\
412 else if (ret < 0)\
413 exit_program(1);\
414 }\
415}
416
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417static void reset_options(OptionsContext *o)
418{
419 const OptionDef *po = options;
3b266da3 420 int i;
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421
422 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
423 while (po->name) {
424 void *dst = (uint8_t*)o + po->u.off;
425
426 if (po->flags & OPT_SPEC) {
427 SpecifierOpt **so = dst;
428 int i, *count = (int*)(so + 1);
429 for (i = 0; i < *count; i++) {
430 av_freep(&(*so)[i].specifier);
431 if (po->flags & OPT_STRING)
432 av_freep(&(*so)[i].u.str);
433 }
434 av_freep(so);
435 *count = 0;
436 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
437 av_freep(dst);
438 po++;
439 }
440
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441 for (i = 0; i < o->nb_stream_maps; i++)
442 av_freep(&o->stream_maps[i].linklabel);
575ec4e1 443 av_freep(&o->stream_maps);
847529f8 444 av_freep(&o->meta_data_maps);
495ecfd1 445 av_freep(&o->streamid_map);
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446
447 memset(o, 0, sizeof(*o));
6b779ccc 448
dc26318c 449 o->mux_max_delay = 0.7;
6b779ccc 450 o->recording_time = INT64_MAX;
13ccba50 451 o->limit_filesize = UINT64_MAX;
c5bb372e 452 o->chapters_input_file = INT_MAX;
6b779ccc 453
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454 uninit_opts();
455 init_opts();
456}
457
bc1ef855 458static int alloc_buffer(InputStream *ist, AVCodecContext *s, FrameBuffer **pbuf)
64dca32c 459{
64dca32c 460 FrameBuffer *buf = av_mallocz(sizeof(*buf));
3715d841 461 int i, ret;
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462 const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
463 int h_chroma_shift, v_chroma_shift;
464 int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
465 int w = s->width, h = s->height;
466
467 if (!buf)
468 return AVERROR(ENOMEM);
469
470 if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
471 w += 2*edge;
472 h += 2*edge;
473 }
474
475 avcodec_align_dimensions(s, &w, &h);
476 if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
477 s->pix_fmt, 32)) < 0) {
478 av_freep(&buf);
479 return ret;
480 }
481 /* XXX this shouldn't be needed, but some tests break without this line
482 * those decoders are buggy and need to be fixed.
483 * the following tests fail:
f320fb89 484 * cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
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485 */
486 memset(buf->base[0], 128, ret);
487
488 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
3715d841 489 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
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490 const int h_shift = i==0 ? 0 : h_chroma_shift;
491 const int v_shift = i==0 ? 0 : v_chroma_shift;
492 if (s->flags & CODEC_FLAG_EMU_EDGE)
493 buf->data[i] = buf->base[i];
494 else
495 buf->data[i] = buf->base[i] +
496 FFALIGN((buf->linesize[i]*edge >> v_shift) +
497 (pixel_size*edge >> h_shift), 32);
498 }
499 buf->w = s->width;
500 buf->h = s->height;
501 buf->pix_fmt = s->pix_fmt;
502 buf->ist = ist;
503
504 *pbuf = buf;
505 return 0;
506}
507
508static void free_buffer_pool(InputStream *ist)
509{
510 FrameBuffer *buf = ist->buffer_pool;
511 while (buf) {
512 ist->buffer_pool = buf->next;
513 av_freep(&buf->base[0]);
514 av_free(buf);
515 buf = ist->buffer_pool;
516 }
517}
518
519static void unref_buffer(InputStream *ist, FrameBuffer *buf)
520{
521 av_assert0(buf->refcount);
522 buf->refcount--;
523 if (!buf->refcount) {
524 buf->next = ist->buffer_pool;
525 ist->buffer_pool = buf;
526 }
527}
528
529static int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
530{
531 InputStream *ist = s->opaque;
532 FrameBuffer *buf;
533 int ret, i;
534
bc1ef855 535 if (!ist->buffer_pool && (ret = alloc_buffer(ist, s, &ist->buffer_pool)) < 0)
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536 return ret;
537
538 buf = ist->buffer_pool;
539 ist->buffer_pool = buf->next;
540 buf->next = NULL;
541 if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
542 av_freep(&buf->base[0]);
543 av_free(buf);
bc1ef855 544 if ((ret = alloc_buffer(ist, s, &buf)) < 0)
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545 return ret;
546 }
547 buf->refcount++;
548
549 frame->opaque = buf;
550 frame->type = FF_BUFFER_TYPE_USER;
551 frame->extended_data = frame->data;
552 frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
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553 frame->width = buf->w;
554 frame->height = buf->h;
555 frame->format = buf->pix_fmt;
556 frame->sample_aspect_ratio = s->sample_aspect_ratio;
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557
558 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
559 frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
560 frame->data[i] = buf->data[i];
561 frame->linesize[i] = buf->linesize[i];
562 }
563
564 return 0;
565}
566
567static void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
568{
569 InputStream *ist = s->opaque;
570 FrameBuffer *buf = frame->opaque;
571 int i;
572
573 for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
574 frame->data[i] = NULL;
575
576 unref_buffer(ist, buf);
577}
578
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579static void filter_release_buffer(AVFilterBuffer *fb)
580{
581 FrameBuffer *buf = fb->priv;
582 av_free(fb);
583 unref_buffer(buf->ist, buf);
584}
585
ac712309 586static char *choose_pixel_fmts(OutputStream *ost)
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587{
588 if (ost->st->codec->pix_fmt != PIX_FMT_NONE) {
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589 return av_strdup(av_get_pix_fmt_name(ost->st->codec->pix_fmt));
590 } else if (ost->enc->pix_fmts) {
591 const enum PixelFormat *p;
592 AVIOContext *s = NULL;
593 uint8_t *ret;
594 int len;
595
596 if (avio_open_dyn_buf(&s) < 0)
597 exit_program(1);
598
599 for (p = ost->enc->pix_fmts; *p != PIX_FMT_NONE; p++)
600 avio_printf(s, "%s:", av_get_pix_fmt_name(*p));
601 len = avio_close_dyn_buf(s, &ret);
602 ret[len - 1] = 0;
603 return ret;
604 } else
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605 return NULL;
606}
607
560f7774 608static int configure_video_filters(FilterGraph *fg)
6291d7e4 609{
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610 InputStream *ist = fg->inputs[0]->ist;
611 OutputStream *ost = fg->outputs[0]->ost;
ac712309 612 AVFilterContext *in_filter, *out_filter, *filter;
6291d7e4 613 AVCodecContext *codec = ost->st->codec;
ac712309 614 char *pix_fmts;
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615 AVRational sample_aspect_ratio;
616 char args[255];
617 int ret;
618
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619 avfilter_graph_free(&fg->graph);
620 fg->graph = avfilter_graph_alloc();
6291d7e4 621
7636c8c6 622 if (ist->st->sample_aspect_ratio.num) {
6291d7e4 623 sample_aspect_ratio = ist->st->sample_aspect_ratio;
7636c8c6 624 } else
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625 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
626
627 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
628 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
629 sample_aspect_ratio.num, sample_aspect_ratio.den);
630
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631 ret = avfilter_graph_create_filter(&fg->inputs[0]->filter,
632 avfilter_get_by_name("buffer"),
633 "src", args, NULL, fg->graph);
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634 if (ret < 0)
635 return ret;
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636 ret = avfilter_graph_create_filter(&fg->outputs[0]->filter,
637 avfilter_get_by_name("buffersink"),
638 "out", NULL, NULL, fg->graph);
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639 if (ret < 0)
640 return ret;
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641 in_filter = fg->inputs[0]->filter;
642 out_filter = fg->outputs[0]->filter;
6291d7e4 643
6c9eac19 644 if (codec->width || codec->height) {
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645 snprintf(args, 255, "%d:%d:flags=0x%X",
646 codec->width,
647 codec->height,
3b3ea346 648 (unsigned)ost->sws_flags);
6291d7e4 649 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
560f7774 650 NULL, args, NULL, fg->graph)) < 0)
6291d7e4 651 return ret;
ac712309 652 if ((ret = avfilter_link(in_filter, 0, filter, 0)) < 0)
6291d7e4 653 return ret;
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654 in_filter = filter;
655 }
656
657 if ((pix_fmts = choose_pixel_fmts(ost))) {
658 if ((ret = avfilter_graph_create_filter(&filter,
659 avfilter_get_by_name("format"),
660 "format", pix_fmts, NULL,
661 fg->graph)) < 0)
662 return ret;
663 if ((ret = avfilter_link(filter, 0, out_filter, 0)) < 0)
664 return ret;
665
666 out_filter = filter;
667 av_freep(&pix_fmts);
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668 }
669
3b3ea346 670 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
560f7774 671 fg->graph->scale_sws_opts = av_strdup(args);
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672
673 if (ost->avfilter) {
91d3cbe0
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674 AVFilterInOut *outputs = avfilter_inout_alloc();
675 AVFilterInOut *inputs = avfilter_inout_alloc();
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676
677 outputs->name = av_strdup("in");
ac712309 678 outputs->filter_ctx = in_filter;
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679 outputs->pad_idx = 0;
680 outputs->next = NULL;
681
682 inputs->name = av_strdup("out");
ac712309 683 inputs->filter_ctx = out_filter;
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684 inputs->pad_idx = 0;
685 inputs->next = NULL;
686
560f7774 687 if ((ret = avfilter_graph_parse(fg->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
6291d7e4 688 return ret;
6291d7e4 689 } else {
ac712309 690 if ((ret = avfilter_link(in_filter, 0, out_filter, 0)) < 0)
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691 return ret;
692 }
693
560f7774 694 if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0)
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695 return ret;
696
560f7774 697 ost->filter = fg->outputs[0];
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698
699 return 0;
700}
6291d7e4 701
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702static FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost)
703{
704 FilterGraph *fg = av_mallocz(sizeof(*fg));
705
706 if (!fg)
707 exit_program(1);
3b266da3 708 fg->index = nb_filtergraphs;
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709
710 fg->outputs = grow_array(fg->outputs, sizeof(*fg->outputs), &fg->nb_outputs,
711 fg->nb_outputs + 1);
712 if (!(fg->outputs[0] = av_mallocz(sizeof(*fg->outputs[0]))))
713 exit_program(1);
714 fg->outputs[0]->ost = ost;
715 fg->outputs[0]->graph = fg;
716
717 fg->inputs = grow_array(fg->inputs, sizeof(*fg->inputs), &fg->nb_inputs,
718 fg->nb_inputs + 1);
719 if (!(fg->inputs[0] = av_mallocz(sizeof(*fg->inputs[0]))))
720 exit_program(1);
721 fg->inputs[0]->ist = ist;
722 fg->inputs[0]->graph = fg;
723
724 ist->filters = grow_array(ist->filters, sizeof(*ist->filters),
725 &ist->nb_filters, ist->nb_filters + 1);
726 ist->filters[ist->nb_filters - 1] = fg->inputs[0];
727
728 filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs),
729 &nb_filtergraphs, nb_filtergraphs + 1);
730 filtergraphs[nb_filtergraphs - 1] = fg;
731
732 return fg;
733}
734
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735static void init_input_filter(FilterGraph *fg, AVFilterInOut *in)
736{
737 InputStream *ist;
738 enum AVMediaType type = in->filter_ctx->input_pads[in->pad_idx].type;
739 int i;
740
741 // TODO: support other filter types
742 if (type != AVMEDIA_TYPE_VIDEO) {
743 av_log(NULL, AV_LOG_FATAL, "Only video filters supported currently.\n");
744 exit_program(1);
745 }
746
747 if (in->name) {
748 AVFormatContext *s;
749 AVStream *st = NULL;
750 char *p;
751 int file_idx = strtol(in->name, &p, 0);
752
1381081c 753 if (file_idx < 0 || file_idx >= nb_input_files) {
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754 av_log(NULL, AV_LOG_FATAL, "Invalid file index %d in filtegraph description %s.\n",
755 file_idx, fg->graph_desc);
756 exit_program(1);
757 }
758 s = input_files[file_idx]->ctx;
759
760 for (i = 0; i < s->nb_streams; i++) {
761 if (s->streams[i]->codec->codec_type != type)
762 continue;
763 if (check_stream_specifier(s, s->streams[i], *p == ':' ? p + 1 : p) == 1) {
764 st = s->streams[i];
765 break;
766 }
767 }
768 if (!st) {
769 av_log(NULL, AV_LOG_FATAL, "Stream specifier '%s' in filtergraph description %s "
770 "matches no streams.\n", p, fg->graph_desc);
771 exit_program(1);
772 }
773 ist = input_streams[input_files[file_idx]->ist_index + st->index];
774 } else {
775 /* find the first unused stream of corresponding type */
776 for (i = 0; i < nb_input_streams; i++) {
777 ist = input_streams[i];
778 if (ist->st->codec->codec_type == type && ist->discard)
779 break;
780 }
781 if (i == nb_input_streams) {
782 av_log(NULL, AV_LOG_FATAL, "Cannot find a matching stream for "
783 "unlabeled input pad %d on filter %s", in->pad_idx,
784 in->filter_ctx->name);
785 exit_program(1);
786 }
787 }
788 ist->discard = 0;
789 ist->decoding_needed = 1;
790 ist->st->discard = AVDISCARD_NONE;
791
792 fg->inputs = grow_array(fg->inputs, sizeof(*fg->inputs),
793 &fg->nb_inputs, fg->nb_inputs + 1);
794 if (!(fg->inputs[fg->nb_inputs - 1] = av_mallocz(sizeof(*fg->inputs[0]))))
795 exit_program(1);
796 fg->inputs[fg->nb_inputs - 1]->ist = ist;
797 fg->inputs[fg->nb_inputs - 1]->graph = fg;
798
799 ist->filters = grow_array(ist->filters, sizeof(*ist->filters),
800 &ist->nb_filters, ist->nb_filters + 1);
801 ist->filters[ist->nb_filters - 1] = fg->inputs[fg->nb_inputs - 1];
802}
803
804static int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
805{
ac712309 806 char *pix_fmts;
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807 AVCodecContext *codec = ofilter->ost->st->codec;
808 AVFilterContext *last_filter = out->filter_ctx;
809 int pad_idx = out->pad_idx;
810 int ret;
811
3b266da3 812
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813 ret = avfilter_graph_create_filter(&ofilter->filter,
814 avfilter_get_by_name("buffersink"),
815 "out", NULL, pix_fmts, fg->graph);
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816 if (ret < 0)
817 return ret;
818
819 if (codec->width || codec->height) {
820 char args[255];
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821 AVFilterContext *filter;
822
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823 snprintf(args, sizeof(args), "%d:%d:flags=0x%X",
824 codec->width,
825 codec->height,
826 (unsigned)ofilter->ost->sws_flags);
ac712309 827 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
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828 NULL, args, NULL, fg->graph)) < 0)
829 return ret;
ac712309 830 if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0)
3b266da3 831 return ret;
ac712309
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832
833 last_filter = filter;
3b266da3
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834 pad_idx = 0;
835 }
836
ac712309
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837 if ((pix_fmts = choose_pixel_fmts(ofilter->ost))) {
838 AVFilterContext *filter;
839 if ((ret = avfilter_graph_create_filter(&filter,
840 avfilter_get_by_name("format"),
841 "format", pix_fmts, NULL,
842 fg->graph)) < 0)
843 return ret;
844 if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0)
845 return ret;
846
847 last_filter = filter;
848 pad_idx = 0;
849 av_freep(&pix_fmts);
850 }
851
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852 if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0)
853 return ret;
854
855 return 0;
856}
857
858static int configure_complex_filter(FilterGraph *fg)
859{
860 AVFilterInOut *inputs, *outputs, *cur;
861 int ret, i, init = !fg->graph;
862
863 avfilter_graph_free(&fg->graph);
864 if (!(fg->graph = avfilter_graph_alloc()))
865 return AVERROR(ENOMEM);
866
867 if ((ret = avfilter_graph_parse2(fg->graph, fg->graph_desc, &inputs, &outputs)) < 0)
868 return ret;
869
870 for (cur = inputs; init && cur; cur = cur->next)
871 init_input_filter(fg, cur);
872
873 for (cur = inputs, i = 0; cur; cur = cur->next, i++) {
874 InputFilter *ifilter = fg->inputs[i];
875 InputStream *ist = ifilter->ist;
876 AVRational sar;
877 char args[255];
878
879 sar = ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
880 ist->st->codec->sample_aspect_ratio;
881 snprintf(args, sizeof(args), "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
882 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
883 sar.num, sar.den);
884
885 if ((ret = avfilter_graph_create_filter(&ifilter->filter,
886 avfilter_get_by_name("buffer"), cur->name,
887 args, NULL, fg->graph)) < 0)
888 return ret;
889 if ((ret = avfilter_link(ifilter->filter, 0,
890 cur->filter_ctx, cur->pad_idx)) < 0)
891 return ret;
892 }
893 avfilter_inout_free(&inputs);
894
895 if (!init) {
896 /* we already know the mappings between lavfi outputs and output streams,
897 * so we can finish the setup */
898 for (cur = outputs, i = 0; cur; cur = cur->next, i++)
899 configure_output_filter(fg, fg->outputs[i], cur);
900 avfilter_inout_free(&outputs);
901
902 if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0)
903 return ret;
904 } else {
905 /* wait until output mappings are processed */
906 for (cur = outputs; cur;) {
907 fg->outputs = grow_array(fg->outputs, sizeof(*fg->outputs),
908 &fg->nb_outputs, fg->nb_outputs + 1);
909 if (!(fg->outputs[fg->nb_outputs - 1] = av_mallocz(sizeof(*fg->outputs[0]))))
910 exit_program(1);
911 fg->outputs[fg->nb_outputs - 1]->graph = fg;
912 fg->outputs[fg->nb_outputs - 1]->out_tmp = cur;
913 cur = cur->next;
914 fg->outputs[fg->nb_outputs - 1]->out_tmp->next = NULL;
915 }
916 }
917
918 return 0;
919}
920
921static int configure_complex_filters(void)
922{
923 int i, ret = 0;
924
925 for (i = 0; i < nb_filtergraphs; i++)
926 if (!filtergraphs[i]->graph &&
927 (ret = configure_complex_filter(filtergraphs[i])) < 0)
928 return ret;
929 return 0;
930}
931
932static int configure_filtergraph(FilterGraph *fg)
933{
934 return fg->graph_desc ? configure_complex_filter(fg) : configure_video_filters(fg);
935}
936
937static int ist_in_filtergraph(FilterGraph *fg, InputStream *ist)
938{
939 int i;
940 for (i = 0; i < fg->nb_inputs; i++)
941 if (fg->inputs[i]->ist == ist)
942 return 1;
943 return 0;
944}
945
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946static void term_exit(void)
947{
948 av_log(NULL, AV_LOG_QUIET, "");
949}
950
951static volatile int received_sigterm = 0;
952static volatile int received_nb_signals = 0;
953
954static void
955sigterm_handler(int sig)
956{
957 received_sigterm = sig;
958 received_nb_signals++;
959 term_exit();
960}
961
962static void term_init(void)
963{
7636c8c6 964 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
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965 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
966#ifdef SIGXCPU
967 signal(SIGXCPU, sigterm_handler);
968#endif
969}
970
2abe947a 971static int decode_interrupt_cb(void *ctx)
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972{
973 return received_nb_signals > 1;
974}
975
2abe947a
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976static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
977
dad09ff9 978void exit_program(int ret)
6291d7e4 979{
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980 int i, j;
981
982 for (i = 0; i < nb_filtergraphs; i++) {
983 avfilter_graph_free(&filtergraphs[i]->graph);
984 for (j = 0; j < filtergraphs[i]->nb_inputs; j++)
985 av_freep(&filtergraphs[i]->inputs[j]);
986 av_freep(&filtergraphs[i]->inputs);
987 for (j = 0; j < filtergraphs[i]->nb_outputs; j++)
988 av_freep(&filtergraphs[i]->outputs[j]);
989 av_freep(&filtergraphs[i]->outputs);
990 av_freep(&filtergraphs[i]);
991 }
992 av_freep(&filtergraphs);
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993
994 /* close files */
7636c8c6 995 for (i = 0; i < nb_output_files; i++) {
2e215267 996 AVFormatContext *s = output_files[i]->ctx;
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997 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
998 avio_close(s->pb);
999 avformat_free_context(s);
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1000 av_dict_free(&output_files[i]->opts);
1001 av_freep(&output_files[i]);
6291d7e4 1002 }
1135a071 1003 for (i = 0; i < nb_output_streams; i++) {
2e215267 1004 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
1135a071
JG
1005 while (bsfc) {
1006 AVBitStreamFilterContext *next = bsfc->next;
1007 av_bitstream_filter_close(bsfc);
1008 bsfc = next;
1009 }
2e215267 1010 output_streams[i]->bitstream_filters = NULL;
ac646076 1011
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1012 if (output_streams[i]->output_frame) {
1013 AVFrame *frame = output_streams[i]->output_frame;
ee458cb1
JR
1014 if (frame->extended_data != frame->data)
1015 av_freep(&frame->extended_data);
1016 av_freep(&frame);
1017 }
1018
2e215267 1019 av_freep(&output_streams[i]->avfilter);
836ce905 1020 av_freep(&output_streams[i]->filtered_frame);
2e215267 1021 av_freep(&output_streams[i]);
1135a071 1022 }
7636c8c6 1023 for (i = 0; i < nb_input_files; i++) {
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1024 avformat_close_input(&input_files[i]->ctx);
1025 av_freep(&input_files[i]);
6291d7e4 1026 }
9179f27c 1027 for (i = 0; i < nb_input_streams; i++) {
2e215267 1028 av_freep(&input_streams[i]->decoded_frame);
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1029 av_dict_free(&input_streams[i]->opts);
1030 free_buffer_pool(input_streams[i]);
560f7774 1031 av_freep(&input_streams[i]->filters);
2e215267 1032 av_freep(&input_streams[i]);
9179f27c 1033 }
6291d7e4 1034
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1035 if (vstats_file)
1036 fclose(vstats_file);
1037 av_free(vstats_filename);
1038
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1039 av_freep(&input_streams);
1040 av_freep(&input_files);
4288e031 1041 av_freep(&output_streams);
af70aa45 1042 av_freep(&output_files);
6291d7e4 1043
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1044 uninit_opts();
1045 av_free(audio_buf);
ee458cb1 1046 allocated_audio_buf_size = 0;
f3ab3e1a
JR
1047 av_free(async_buf);
1048 allocated_async_buf_size = 0;
6291d7e4 1049
6291d7e4 1050 avfilter_uninit();
776f2bb9 1051 avformat_network_deinit();
6291d7e4
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1052
1053 if (received_sigterm) {
e3245b26
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1054 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
1055 (int) received_sigterm);
6291d7e4
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1056 exit (255);
1057 }
1058
f75e3d25 1059 exit(ret);
6291d7e4
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1060}
1061
1062static void assert_avoptions(AVDictionary *m)
1063{
1064 AVDictionaryEntry *t;
1065 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
f24facd3 1066 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
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1067 exit_program(1);
1068 }
1069}
1070
1071static void assert_codec_experimental(AVCodecContext *c, int encoder)
1072{
1073 const char *codec_string = encoder ? "encoder" : "decoder";
1074 AVCodec *codec;
1075 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
1076 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
f24facd3 1077 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
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1078 "results.\nAdd '-strict experimental' if you want to use it.\n",
1079 codec_string, c->codec->name);
1080 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
1081 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
f24facd3 1082 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
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1083 codec_string, codec->name);
1084 exit_program(1);
1085 }
1086}
1087
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1088static void choose_sample_fmt(AVStream *st, AVCodec *codec)
1089{
7636c8c6
AD
1090 if (codec && codec->sample_fmts) {
1091 const enum AVSampleFormat *p = codec->sample_fmts;
1092 for (; *p != -1; p++) {
1093 if (*p == st->codec->sample_fmt)
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1094 break;
1095 }
1096 if (*p == -1) {
1097 av_log(NULL, AV_LOG_WARNING,
1098 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
1099 av_get_sample_fmt_name(st->codec->sample_fmt),
1100 codec->name,
1101 av_get_sample_fmt_name(codec->sample_fmts[0]));
1102 st->codec->sample_fmt = codec->sample_fmts[0];
1103 }
1104 }
1105}
1106
1107/**
1108 * Update the requested input sample format based on the output sample format.
1109 * This is currently only used to request float output from decoders which
1110 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
1111 * Ideally this will be removed in the future when decoders do not do format
1112 * conversion and only output in their native format.
1113 */
1114static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
1115 AVCodecContext *enc)
1116{
1117 /* if sample formats match or a decoder sample format has already been
1118 requested, just return */
1119 if (enc->sample_fmt == dec->sample_fmt ||
1120 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
1121 return;
1122
1123 /* if decoder supports more than one output format */
1124 if (dec_codec && dec_codec->sample_fmts &&
1125 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
1126 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
1127 const enum AVSampleFormat *p;
1128 int min_dec = -1, min_inc = -1;
1129
1130 /* find a matching sample format in the encoder */
1131 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
1132 if (*p == enc->sample_fmt) {
1133 dec->request_sample_fmt = *p;
1134 return;
1135 } else if (*p > enc->sample_fmt) {
1136 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
1137 } else
1138 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
1139 }
1140
1141 /* if none match, provide the one that matches quality closest */
1142 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
1143 enc->sample_fmt - min_dec;
1144 }
1145}
1146
1147static void choose_sample_rate(AVStream *st, AVCodec *codec)
1148{
7636c8c6
AD
1149 if (codec && codec->supported_samplerates) {
1150 const int *p = codec->supported_samplerates;
1151 int best = 0;
1152 int best_dist = INT_MAX;
1153 for (; *p; p++) {
1154 int dist = abs(st->codec->sample_rate - *p);
1155 if (dist < best_dist) {
1156 best_dist = dist;
1157 best = *p;
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1158 }
1159 }
7636c8c6 1160 if (best_dist) {
6291d7e4
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1161 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
1162 }
7636c8c6 1163 st->codec->sample_rate = best;
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1164 }
1165}
1166
6291d7e4 1167static double
6e983902 1168get_sync_ipts(const OutputStream *ost, int64_t pts)
6291d7e4 1169{
2e215267 1170 OutputFile *of = output_files[ost->file_index];
6e983902 1171 return (double)(pts - of->start_time) / AV_TIME_BASE;
6291d7e4
AK
1172}
1173
f15f02c2 1174static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
7636c8c6 1175{
f15f02c2
AK
1176 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
1177 AVCodecContext *avctx = ost->st->codec;
6291d7e4
AK
1178 int ret;
1179
99932847
AK
1180 /*
1181 * Audio encoders may split the packets -- #frames in != #packets out.
1182 * But there is no reordering, so we can limit the number of output packets
1183 * by simply dropping them here.
1184 * Counting encoded video frames needs to be done separately because of
1185 * reordering, see do_video_out()
1186 */
1187 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
c9594fe0
JR
1188 if (ost->frame_number >= ost->max_frames) {
1189 av_free_packet(pkt);
99932847 1190 return;
c9594fe0 1191 }
99932847
AK
1192 ost->frame_number++;
1193 }
1194
7636c8c6
AD
1195 while (bsfc) {
1196 AVPacket new_pkt = *pkt;
1197 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
1198 &new_pkt.data, &new_pkt.size,
1199 pkt->data, pkt->size,
1200 pkt->flags & AV_PKT_FLAG_KEY);
1201 if (a > 0) {
6291d7e4 1202 av_free_packet(pkt);
7636c8c6
AD
1203 new_pkt.destruct = av_destruct_packet;
1204 } else if (a < 0) {
e3245b26
AK
1205 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
1206 bsfc->filter->name, pkt->stream_index,
1207 avctx->codec ? avctx->codec->name : "copy");
6291d7e4
AK
1208 print_error("", a);
1209 if (exit_on_error)
1210 exit_program(1);
1211 }
7636c8c6 1212 *pkt = new_pkt;
6291d7e4 1213
7636c8c6 1214 bsfc = bsfc->next;
6291d7e4
AK
1215 }
1216
61a09968 1217 pkt->stream_index = ost->index;
7636c8c6
AD
1218 ret = av_interleaved_write_frame(s, pkt);
1219 if (ret < 0) {
6291d7e4
AK
1220 print_error("av_interleaved_write_frame()", ret);
1221 exit_program(1);
1222 }
1223}
1224
1270e12e
AK
1225static int check_recording_time(OutputStream *ost)
1226{
2e215267 1227 OutputFile *of = output_files[ost->file_index];
1270e12e
AK
1228
1229 if (of->recording_time != INT64_MAX &&
1230 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
1231 AV_TIME_BASE_Q) >= 0) {
1232 ost->is_past_recording_time = 1;
1233 return 0;
1234 }
1235 return 1;
1236}
1237
d8b06521
JR
1238static void get_default_channel_layouts(OutputStream *ost, InputStream *ist)
1239{
1240 char layout_name[256];
1241 AVCodecContext *enc = ost->st->codec;
1242 AVCodecContext *dec = ist->st->codec;
1243
1244 if (dec->channel_layout &&
1245 av_get_channel_layout_nb_channels(dec->channel_layout) != dec->channels) {
1246 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1247 dec->channels, dec->channel_layout);
1248 av_log(NULL, AV_LOG_ERROR, "New channel layout (%s) is invalid\n",
1249 layout_name);
1250 dec->channel_layout = 0;
1251 }
1252 if (!dec->channel_layout) {
1253 if (enc->channel_layout && dec->channels == enc->channels) {
1254 dec->channel_layout = enc->channel_layout;
1255 } else {
1256 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1257
1258 if (!dec->channel_layout) {
1259 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1260 "layout for Input Stream #%d.%d\n", ist->file_index,
1261 ist->st->index);
1262 exit_program(1);
1263 }
1264 }
1265 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1266 dec->channels, dec->channel_layout);
1267 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1268 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1269 }
1270 if (!enc->channel_layout) {
1271 if (dec->channels == enc->channels) {
1272 enc->channel_layout = dec->channel_layout;
1273 return;
1274 } else {
1275 enc->channel_layout = av_get_default_channel_layout(enc->channels);
1276 }
1277 if (!enc->channel_layout) {
1278 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel layout "
1279 "for Output Stream #%d.%d\n", ost->file_index,
1280 ost->st->index);
1281 exit_program(1);
1282 }
1283 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1284 enc->channels, enc->channel_layout);
1285 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Output Stream "
1286 "#%d.%d : %s\n", ost->file_index, ost->st->index, layout_name);
1287 }
1288}
1289
fdab793a
AC
1290static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1291{
1292 int fill_char = 0x00;
1293 if (sample_fmt == AV_SAMPLE_FMT_U8)
1294 fill_char = 0x80;
1295 memset(buf, fill_char, size);
1296}
1297
ee458cb1
JR
1298static int encode_audio_frame(AVFormatContext *s, OutputStream *ost,
1299 const uint8_t *buf, int buf_size)
1300{
1301 AVCodecContext *enc = ost->st->codec;
1302 AVFrame *frame = NULL;
1303 AVPacket pkt;
1304 int ret, got_packet;
1305
1306 av_init_packet(&pkt);
1307 pkt.data = NULL;
1308 pkt.size = 0;
1309
1310 if (buf) {
1311 if (!ost->output_frame) {
1312 ost->output_frame = avcodec_alloc_frame();
1313 if (!ost->output_frame) {
1314 av_log(NULL, AV_LOG_FATAL, "out-of-memory in encode_audio_frame()\n");
1315 exit_program(1);
1316 }
1317 }
1318 frame = ost->output_frame;
1319 if (frame->extended_data != frame->data)
1320 av_freep(&frame->extended_data);
1321 avcodec_get_frame_defaults(frame);
1322
1323 frame->nb_samples = buf_size /
1324 (enc->channels * av_get_bytes_per_sample(enc->sample_fmt));
1325 if ((ret = avcodec_fill_audio_frame(frame, enc->channels, enc->sample_fmt,
1326 buf, buf_size, 1)) < 0) {
1327 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1328 exit_program(1);
1329 }
1270e12e
AK
1330
1331 if (!check_recording_time(ost))
1332 return 0;
1333
9b9fc9ba 1334 frame->pts = ost->sync_opts;
1270e12e 1335 ost->sync_opts += frame->nb_samples;
ee458cb1
JR
1336 }
1337
1338 got_packet = 0;
1339 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
1340 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1341 exit_program(1);
1342 }
1343
1344 if (got_packet) {
ee458cb1
JR
1345 if (pkt.pts != AV_NOPTS_VALUE)
1346 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
a75bc764
JR
1347 if (pkt.dts != AV_NOPTS_VALUE)
1348 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
ee458cb1
JR
1349 if (pkt.duration > 0)
1350 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1351
1352 write_frame(s, &pkt, ost);
1353
1354 audio_size += pkt.size;
1355 }
1356
ee458cb1
JR
1357 return pkt.size;
1358}
1359
9869e963 1360static int alloc_audio_output_buf(AVCodecContext *dec, AVCodecContext *enc,
bcb82fe1 1361 int nb_samples, int *buf_linesize)
9869e963
JR
1362{
1363 int64_t audio_buf_samples;
1364 int audio_buf_size;
1365
1366 /* calculate required number of samples to allocate */
1367 audio_buf_samples = ((int64_t)nb_samples * enc->sample_rate + dec->sample_rate) /
1368 dec->sample_rate;
4094fc99 1369 audio_buf_samples = 4 * audio_buf_samples + 16; // safety factors for resampling
9869e963
JR
1370 audio_buf_samples = FFMAX(audio_buf_samples, enc->frame_size);
1371 if (audio_buf_samples > INT_MAX)
1372 return AVERROR(EINVAL);
1373
bcb82fe1 1374 audio_buf_size = av_samples_get_buffer_size(buf_linesize, enc->channels,
9869e963 1375 audio_buf_samples,
679a973e 1376 enc->sample_fmt, 0);
9869e963
JR
1377 if (audio_buf_size < 0)
1378 return audio_buf_size;
1379
1380 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
1381 if (!audio_buf)
1382 return AVERROR(ENOMEM);
1383
1384 return 0;
1385}
1386
d1241ff3
JR
1387static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1388 InputStream *ist, AVFrame *decoded_frame)
6291d7e4
AK
1389{
1390 uint8_t *buftmp;
6291d7e4 1391
bcb82fe1 1392 int size_out, frame_bytes, resample_changed, ret;
7636c8c6
AD
1393 AVCodecContext *enc = ost->st->codec;
1394 AVCodecContext *dec = ist->st->codec;
6291d7e4
AK
1395 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1396 int isize = av_get_bytes_per_sample(dec->sample_fmt);
d1241ff3
JR
1397 uint8_t *buf = decoded_frame->data[0];
1398 int size = decoded_frame->nb_samples * dec->channels * isize;
bcb82fe1
JR
1399 int out_linesize = 0;
1400 int buf_linesize = decoded_frame->linesize[0];
7636c8c6 1401
d8b06521
JR
1402 get_default_channel_layouts(ost, ist);
1403
bcb82fe1 1404 if (alloc_audio_output_buf(dec, enc, decoded_frame->nb_samples, &out_linesize) < 0) {
9869e963 1405 av_log(NULL, AV_LOG_FATAL, "Error allocating audio buffer\n");
6291d7e4
AK
1406 exit_program(1);
1407 }
1408
bcb82fe1
JR
1409 if (audio_sync_method > 1 ||
1410 enc->channels != dec->channels ||
1411 enc->channel_layout != dec->channel_layout ||
1412 enc->sample_rate != dec->sample_rate ||
1413 dec->sample_fmt != enc->sample_fmt)
6291d7e4
AK
1414 ost->audio_resample = 1;
1415
1416 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
1417 ost->resample_channels != dec->channels ||
bcb82fe1 1418 ost->resample_channel_layout != dec->channel_layout ||
6291d7e4
AK
1419 ost->resample_sample_rate != dec->sample_rate;
1420
bcb82fe1 1421 if ((ost->audio_resample && !ost->avr) || resample_changed) {
6291d7e4 1422 if (resample_changed) {
bcb82fe1 1423 av_log(NULL, AV_LOG_INFO, "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d chl:0x%"PRIx64" to rate:%d fmt:%s ch:%d chl:0x%"PRIx64"\n",
6291d7e4 1424 ist->file_index, ist->st->index,
bcb82fe1
JR
1425 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt),
1426 ost->resample_channels, ost->resample_channel_layout,
1427 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt),
1428 dec->channels, dec->channel_layout);
6291d7e4
AK
1429 ost->resample_sample_fmt = dec->sample_fmt;
1430 ost->resample_channels = dec->channels;
bcb82fe1 1431 ost->resample_channel_layout = dec->channel_layout;
6291d7e4 1432 ost->resample_sample_rate = dec->sample_rate;
bcb82fe1
JR
1433 if (ost->avr)
1434 avresample_close(ost->avr);
6291d7e4
AK
1435 }
1436 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
1437 if (audio_sync_method <= 1 &&
1438 ost->resample_sample_fmt == enc->sample_fmt &&
1439 ost->resample_channels == enc->channels &&
bcb82fe1 1440 ost->resample_channel_layout == enc->channel_layout &&
6291d7e4 1441 ost->resample_sample_rate == enc->sample_rate) {
6291d7e4
AK
1442 ost->audio_resample = 0;
1443 } else if (ost->audio_resample) {
bcb82fe1
JR
1444 if (!ost->avr) {
1445 ost->avr = avresample_alloc_context();
1446 if (!ost->avr) {
1447 av_log(NULL, AV_LOG_FATAL, "Error allocating context for libavresample\n");
1448 exit_program(1);
1449 }
6291d7e4 1450 }
6291d7e4 1451
bcb82fe1
JR
1452 av_opt_set_int(ost->avr, "in_channel_layout", dec->channel_layout, 0);
1453 av_opt_set_int(ost->avr, "in_sample_fmt", dec->sample_fmt, 0);
1454 av_opt_set_int(ost->avr, "in_sample_rate", dec->sample_rate, 0);
1455 av_opt_set_int(ost->avr, "out_channel_layout", enc->channel_layout, 0);
1456 av_opt_set_int(ost->avr, "out_sample_fmt", enc->sample_fmt, 0);
1457 av_opt_set_int(ost->avr, "out_sample_rate", enc->sample_rate, 0);
1458 if (audio_sync_method > 1)
1459 av_opt_set_int(ost->avr, "force_resampling", 1, 0);
1460
1461 /* if both the input and output formats are s16 or u8, use s16 as
1462 the internal sample format */
1463 if (av_get_bytes_per_sample(dec->sample_fmt) <= 2 &&
1464 av_get_bytes_per_sample(enc->sample_fmt) <= 2) {
1465 av_opt_set_int(ost->avr, "internal_sample_fmt", AV_SAMPLE_FMT_S16P, 0);
1466 }
1467
1468 ret = avresample_open(ost->avr);
1469 if (ret < 0) {
1470 av_log(NULL, AV_LOG_FATAL, "Error opening libavresample\n");
1471 exit_program(1);
1472 }
6291d7e4 1473 }
6291d7e4
AK
1474 }
1475
b073819b 1476 if (audio_sync_method > 0) {
23576b3f 1477 double delta = get_sync_ipts(ost, ist->last_dts) * enc->sample_rate - ost->sync_opts -
7636c8c6 1478 av_fifo_size(ost->fifo) / (enc->channels * osize);
fdab793a
AC
1479 int idelta = delta * dec->sample_rate / enc->sample_rate;
1480 int byte_delta = idelta * isize * dec->channels;
6291d7e4 1481
7636c8c6
AD
1482 // FIXME resample delay
1483 if (fabs(delta) > 50) {
1484 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
1485 if (byte_delta < 0) {
1486 byte_delta = FFMAX(byte_delta, -size);
6291d7e4
AK
1487 size += byte_delta;
1488 buf -= byte_delta;
fdab793a
AC
1489 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1490 -byte_delta / (isize * dec->channels));
7636c8c6 1491 if (!size)
6291d7e4 1492 return;
7636c8c6
AD
1493 ist->is_start = 0;
1494 } else {
f3ab3e1a
JR
1495 av_fast_malloc(&async_buf, &allocated_async_buf_size,
1496 byte_delta + size);
1497 if (!async_buf) {
1498 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
1499 exit_program(1);
1500 }
6291d7e4 1501
bcb82fe1 1502 if (alloc_audio_output_buf(dec, enc, decoded_frame->nb_samples + idelta, &out_linesize) < 0) {
9869e963
JR
1503 av_log(NULL, AV_LOG_FATAL, "Error allocating audio buffer\n");
1504 exit_program(1);
6291d7e4 1505 }
7636c8c6 1506 ist->is_start = 0;
6291d7e4 1507
f3ab3e1a
JR
1508 generate_silence(async_buf, dec->sample_fmt, byte_delta);
1509 memcpy(async_buf + byte_delta, buf, size);
1510 buf = async_buf;
6291d7e4 1511 size += byte_delta;
bcb82fe1 1512 buf_linesize = allocated_async_buf_size;
fdab793a 1513 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
6291d7e4 1514 }
7636c8c6
AD
1515 } else if (audio_sync_method > 1) {
1516 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
e3245b26
AK
1517 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1518 delta, comp, enc->sample_rate);
6291d7e4 1519// 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));
bcb82fe1 1520 avresample_set_compensation(ost->avr, comp, enc->sample_rate);
6291d7e4
AK
1521 }
1522 }
b073819b 1523 } else if (audio_sync_method == 0)
23576b3f 1524 ost->sync_opts = lrintf(get_sync_ipts(ost, ist->last_dts) * enc->sample_rate) -
7636c8c6 1525 av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
6291d7e4
AK
1526
1527 if (ost->audio_resample) {
1528 buftmp = audio_buf;
bcb82fe1
JR
1529 size_out = avresample_convert(ost->avr, (void **)&buftmp,
1530 allocated_audio_buf_size, out_linesize,
1531 (void **)&buf, buf_linesize,
1532 size / (dec->channels * isize));
6291d7e4
AK
1533 size_out = size_out * enc->channels * osize;
1534 } else {
1535 buftmp = buf;
1536 size_out = size;
1537 }
1538
6291d7e4 1539 /* now encode as many frames as possible */
ee458cb1 1540 if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
6291d7e4
AK
1541 /* output resampled raw samples */
1542 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
e3245b26 1543 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
6291d7e4
AK
1544 exit_program(1);
1545 }
1546 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1547
1548 frame_bytes = enc->frame_size * osize * enc->channels;
1549
1550 while (av_fifo_size(ost->fifo) >= frame_bytes) {
6291d7e4 1551 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
ee458cb1 1552 encode_audio_frame(s, ost, audio_buf, frame_bytes);
6291d7e4
AK
1553 }
1554 } else {
ee458cb1 1555 encode_audio_frame(s, ost, buftmp, size_out);
6291d7e4
AK
1556 }
1557}
1558
1559static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1560{
1561 AVCodecContext *dec;
1562 AVPicture *picture2;
1563 AVPicture picture_tmp;
1564 uint8_t *buf = 0;
1565
1566 dec = ist->st->codec;
1567
1568 /* deinterlace : must be done before any resize */
1569 if (do_deinterlace) {
1570 int size;
1571
1572 /* create temporary picture */
1573 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
7636c8c6 1574 buf = av_malloc(size);
6291d7e4
AK
1575 if (!buf)
1576 return;
1577
1578 picture2 = &picture_tmp;
1579 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1580
7636c8c6 1581 if (avpicture_deinterlace(picture2, picture,
6291d7e4
AK
1582 dec->pix_fmt, dec->width, dec->height) < 0) {
1583 /* if error, do not deinterlace */
e3245b26 1584 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
6291d7e4
AK
1585 av_free(buf);
1586 buf = NULL;
1587 picture2 = picture;
1588 }
1589 } else {
1590 picture2 = picture;
1591 }
1592
1593 if (picture != picture2)
1594 *picture = *picture2;
1595 *bufp = buf;
1596}
1597
6291d7e4
AK
1598static void do_subtitle_out(AVFormatContext *s,
1599 OutputStream *ost,
1600 InputStream *ist,
1601 AVSubtitle *sub,
1602 int64_t pts)
1603{
1604 static uint8_t *subtitle_out = NULL;
1605 int subtitle_out_max_size = 1024 * 1024;
1606 int subtitle_out_size, nb, i;
1607 AVCodecContext *enc;
1608 AVPacket pkt;
1609
1610 if (pts == AV_NOPTS_VALUE) {
e3245b26 1611 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
6291d7e4
AK
1612 if (exit_on_error)
1613 exit_program(1);
1614 return;
1615 }
1616
1617 enc = ost->st->codec;
1618
1619 if (!subtitle_out) {
1620 subtitle_out = av_malloc(subtitle_out_max_size);
1621 }
1622
1623 /* Note: DVB subtitle need one packet to draw them and one other
1624 packet to clear them */
1625 /* XXX: signal it in the codec context ? */
1626 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1627 nb = 2;
1628 else
1629 nb = 1;
1630
7636c8c6 1631 for (i = 0; i < nb; i++) {
1270e12e
AK
1632 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
1633 if (!check_recording_time(ost))
1634 return;
1635
6291d7e4
AK
1636 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1637 // start_display_time is required to be 0
7636c8c6
AD
1638 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1639 sub->end_display_time -= sub->start_display_time;
6291d7e4
AK
1640 sub->start_display_time = 0;
1641 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1642 subtitle_out_max_size, sub);
1643 if (subtitle_out_size < 0) {
e3245b26 1644 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
6291d7e4
AK
1645 exit_program(1);
1646 }
1647
1648 av_init_packet(&pkt);
6291d7e4
AK
1649 pkt.data = subtitle_out;
1650 pkt.size = subtitle_out_size;
7636c8c6 1651 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
6291d7e4
AK
1652 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1653 /* XXX: the pts correction is handled here. Maybe handling
1654 it in the codec would be better */
1655 if (i == 0)
1656 pkt.pts += 90 * sub->start_display_time;
1657 else
1658 pkt.pts += 90 * sub->end_display_time;
1659 }
f15f02c2 1660 write_frame(s, &pkt, ost);
6291d7e4
AK
1661 }
1662}
1663
87ef060c
AC
1664static void do_video_out(AVFormatContext *s,
1665 OutputStream *ost,
87ef060c
AC
1666 AVFrame *in_picture,
1667 int *frame_size, float quality)
1668{
553735f5 1669 int nb_frames, i, ret, format_video_sync;
f593628e 1670 AVCodecContext *enc;
d43040e2 1671 double sync_ipts, delta;
87ef060c
AC
1672
1673 enc = ost->st->codec;
87ef060c 1674
6e983902 1675 sync_ipts = get_sync_ipts(ost, in_picture->pts) / av_q2d(enc->time_base);
d43040e2 1676 delta = sync_ipts - ost->sync_opts;
87ef060c
AC
1677
1678 /* by default, we output a single frame */
1679 nb_frames = 1;
1680
1681 *frame_size = 0;
1682
553735f5 1683 format_video_sync = video_sync_method;
e8c04f62
AK
1684 if (format_video_sync == VSYNC_AUTO)
1685 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
1686 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
553735f5 1687
d43040e2
AK
1688 switch (format_video_sync) {
1689 case VSYNC_CFR:
7636c8c6 1690 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
d43040e2 1691 if (delta < -1.1)
87ef060c 1692 nb_frames = 0;
d43040e2
AK
1693 else if (delta > 1.1)
1694 nb_frames = lrintf(delta);
1695 break;
1696 case VSYNC_VFR:
1697 if (delta <= -0.6)
1698 nb_frames = 0;
1699 else if (delta > 0.6)
4f150068 1700 ost->sync_opts = lrint(sync_ipts);
d43040e2
AK
1701 break;
1702 case VSYNC_PASSTHROUGH:
4f150068 1703 ost->sync_opts = lrint(sync_ipts);
d43040e2
AK
1704 break;
1705 default:
1706 av_assert0(0);
1707 }
87ef060c 1708
96139b5e 1709 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
d43040e2
AK
1710 if (nb_frames == 0) {
1711 nb_frames_drop++;
1712 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
87ef060c 1713 return;
d43040e2
AK
1714 } else if (nb_frames > 1) {
1715 nb_frames_dup += nb_frames - 1;
1716 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1717 }
87ef060c 1718
1270e12e
AK
1719 if (!ost->frame_number)
1720 ost->first_pts = ost->sync_opts;
1721
6291d7e4 1722 /* duplicates frame if needed */
7636c8c6 1723 for (i = 0; i < nb_frames; i++) {
6291d7e4
AK
1724 AVPacket pkt;
1725 av_init_packet(&pkt);
8e37038a
AK
1726 pkt.data = NULL;
1727 pkt.size = 0;
6291d7e4 1728
1270e12e
AK
1729 if (!check_recording_time(ost))
1730 return;
1731
150ddbc1
MR
1732 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1733 enc->codec->id == CODEC_ID_RAWVIDEO) {
6291d7e4 1734 /* raw pictures are written as AVPicture structure to
bb337b4f 1735 avoid any copies. We support temporarily the older
6291d7e4 1736 method. */
f593628e
AC
1737 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1738 enc->coded_frame->top_field_first = in_picture->top_field_first;
4648fe63 1739 pkt.data = (uint8_t *)in_picture;
7636c8c6
AD
1740 pkt.size = sizeof(AVPicture);
1741 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
6291d7e4
AK
1742 pkt.flags |= AV_PKT_FLAG_KEY;
1743
f15f02c2 1744 write_frame(s, &pkt, ost);
6291d7e4 1745 } else {
8e37038a 1746 int got_packet;
6291d7e4
AK
1747 AVFrame big_picture;
1748
4648fe63 1749 big_picture = *in_picture;
6291d7e4
AK
1750 /* better than nothing: use input picture interlaced
1751 settings */
1752 big_picture.interlaced_frame = in_picture->interlaced_frame;
1753 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
828e0bcb 1754 if (ost->top_field_first == -1)
6291d7e4
AK
1755 big_picture.top_field_first = in_picture->top_field_first;
1756 else
828e0bcb 1757 big_picture.top_field_first = !!ost->top_field_first;
6291d7e4
AK
1758 }
1759
f4ad238c 1760 /* handles same_quant here. This is not correct because it may
6291d7e4
AK
1761 not be a global option */
1762 big_picture.quality = quality;
d242d80e 1763 if (!enc->me_threshold)
6291d7e4 1764 big_picture.pict_type = 0;
7636c8c6 1765 big_picture.pts = ost->sync_opts;
6291d7e4
AK
1766 if (ost->forced_kf_index < ost->forced_kf_count &&
1767 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1768 big_picture.pict_type = AV_PICTURE_TYPE_I;
1769 ost->forced_kf_index++;
1770 }
8e37038a 1771 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
6291d7e4 1772 if (ret < 0) {
e3245b26 1773 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
6291d7e4
AK
1774 exit_program(1);
1775 }
1776
8e37038a
AK
1777 if (got_packet) {
1778 if (pkt.pts != AV_NOPTS_VALUE)
1779 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1780 if (pkt.dts != AV_NOPTS_VALUE)
1781 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
6291d7e4 1782
f15f02c2 1783 write_frame(s, &pkt, ost);
39da3b22
AK
1784 *frame_size = pkt.size;
1785 video_size += pkt.size;
324fbadf 1786
6291d7e4
AK
1787 /* if two pass, output log */
1788 if (ost->logfile && enc->stats_out) {
1789 fprintf(ost->logfile, "%s", enc->stats_out);
1790 }
1791 }
1792 }
1793 ost->sync_opts++;
99932847
AK
1794 /*
1795 * For video, number of frames in == number of packets out.
1796 * But there may be reordering, so we can't throw away frames on encoder
1797 * flush, we need to limit them here, before they go into encoder.
1798 */
1799 ost->frame_number++;
6291d7e4
AK
1800 }
1801}
1802
7636c8c6
AD
1803static double psnr(double d)
1804{
1805 return -10.0 * log(d) / log(10.0);
6291d7e4
AK
1806}
1807
1808static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1809 int frame_size)
1810{
1811 AVCodecContext *enc;
1812 int frame_number;
1813 double ti1, bitrate, avg_bitrate;
1814
1815 /* this is executed just the first time do_video_stats is called */
1816 if (!vstats_file) {
1817 vstats_file = fopen(vstats_filename, "w");
1818 if (!vstats_file) {
1819 perror("fopen");
1820 exit_program(1);
1821 }
1822 }
1823
1824 enc = ost->st->codec;
1825 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1826 frame_number = ost->frame_number;
7636c8c6 1827 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
6291d7e4 1828 if (enc->flags&CODEC_FLAG_PSNR)
7636c8c6 1829 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
6291d7e4
AK
1830
1831 fprintf(vstats_file,"f_size= %6d ", frame_size);
1832 /* compute pts value */
1833 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1834 if (ti1 < 0.01)
1835 ti1 = 0.01;
1836
7636c8c6 1837 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
6291d7e4
AK
1838 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1839 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
7636c8c6 1840 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
6291d7e4
AK
1841 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1842 }
1843}
1844
560f7774
AK
1845/* check for new output on any of the filtergraphs */
1846static int poll_filters(void)
1847{
1848 AVFilterBufferRef *picref;
1849 AVFrame *filtered_frame = NULL;
ac712309 1850 int i, frame_size;
560f7774
AK
1851
1852 for (i = 0; i < nb_output_streams; i++) {
1853 OutputStream *ost = output_streams[i];
1854 OutputFile *of = output_files[ost->file_index];
1855
1856 if (!ost->filter || ost->is_past_recording_time)
1857 continue;
1858
1859 if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
1860 return AVERROR(ENOMEM);
1861 } else
1862 avcodec_get_frame_defaults(ost->filtered_frame);
1863 filtered_frame = ost->filtered_frame;
1864
ac712309
AK
1865 while (av_buffersink_read(ost->filter->filter, &picref) >= 0) {
1866 avfilter_copy_buf_props(filtered_frame, picref);
1867 filtered_frame->pts = av_rescale_q(picref->pts,
1868 ost->filter->filter->inputs[0]->time_base,
1869 AV_TIME_BASE_Q);
560f7774
AK
1870
1871 if (of->start_time && filtered_frame->pts < of->start_time)
1872 return 0;
1873
1874 switch (ost->filter->filter->inputs[0]->type) {
1875 case AVMEDIA_TYPE_VIDEO:
1876 if (!ost->frame_aspect_ratio)
1877 ost->st->codec->sample_aspect_ratio = picref->video->pixel_aspect;
1878
1879 do_video_out(of->ctx, ost, filtered_frame, &frame_size,
1880 same_quant ? ost->last_quality :
1881 ost->st->codec->global_quality);
1882 if (vstats_filename && frame_size)
1883 do_video_stats(of->ctx, ost, frame_size);
1884 break;
1885 default:
1886 // TODO support audio/subtitle filters
1887 av_assert0(0);
1888 }
1889
1890 avfilter_unref_buffer(picref);
1891 }
1892 }
1893 return 0;
1894}
1895
ea9367e9 1896static void print_report(int is_last_report, int64_t timer_start)
6291d7e4
AK
1897{
1898 char buf[1024];
1899 OutputStream *ost;
1900 AVFormatContext *oc;
1901 int64_t total_size;
1902 AVCodecContext *enc;
1903 int frame_number, vid, i;
1904 double bitrate, ti1, pts;
1905 static int64_t last_time = -1;
1906 static int qp_histogram[52];
1907
3460dd8a
AK
1908 if (!print_stats && !is_last_report)
1909 return;
1910
6291d7e4
AK
1911 if (!is_last_report) {
1912 int64_t cur_time;
1913 /* display the report every 0.5 seconds */
1914 cur_time = av_gettime();
1915 if (last_time == -1) {
1916 last_time = cur_time;
1917 return;
1918 }
1919 if ((cur_time - last_time) < 500000)
1920 return;
1921 last_time = cur_time;
1922 }
1923
1924
2e215267 1925 oc = output_files[0]->ctx;
6291d7e4
AK
1926
1927 total_size = avio_size(oc->pb);
7636c8c6
AD
1928 if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too
1929 total_size = avio_tell(oc->pb);
6291d7e4
AK
1930
1931 buf[0] = '\0';
1932 ti1 = 1e10;
1933 vid = 0;
ea9367e9 1934 for (i = 0; i < nb_output_streams; i++) {
6291d7e4 1935 float q = -1;
2e215267 1936 ost = output_streams[i];
6291d7e4 1937 enc = ost->st->codec;
3d813e4c 1938 if (!ost->stream_copy && enc->coded_frame)
7636c8c6 1939 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
6291d7e4
AK
1940 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1941 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1942 }
1943 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
7636c8c6 1944 float t = (av_gettime() - timer_start) / 1000000.0;
6291d7e4
AK
1945
1946 frame_number = ost->frame_number;
1947 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
7636c8c6
AD
1948 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
1949 if (is_last_report)
6291d7e4 1950 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
7636c8c6 1951 if (qp_hist) {
6291d7e4
AK
1952 int j;
1953 int qp = lrintf(q);
7636c8c6 1954 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
6291d7e4 1955 qp_histogram[qp]++;
7636c8c6
AD
1956 for (j = 0; j < 32; j++)
1957 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
6291d7e4 1958 }
7636c8c6 1959 if (enc->flags&CODEC_FLAG_PSNR) {
6291d7e4 1960 int j;
7636c8c6
AD
1961 double error, error_sum = 0;
1962 double scale, scale_sum = 0;
1963 char type[3] = { 'Y','U','V' };
6291d7e4 1964 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
7636c8c6
AD
1965 for (j = 0; j < 3; j++) {
1966 if (is_last_report) {
1967 error = enc->error[j];
1968 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1969 } else {
1970 error = enc->coded_frame->error[j];
1971 scale = enc->width * enc->height * 255.0 * 255.0;
6291d7e4 1972 }
7636c8c6
AD
1973 if (j)
1974 scale /= 4;
6291d7e4
AK
1975 error_sum += error;
1976 scale_sum += scale;
7636c8c6 1977 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
6291d7e4 1978 }
7636c8c6 1979 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
6291d7e4
AK
1980 }
1981 vid = 1;
1982 }
1983 /* compute min output value */
1984 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1985 if ((pts < ti1) && (pts > 0))
1986 ti1 = pts;
1987 }
1988 if (ti1 < 0.01)
1989 ti1 = 0.01;
1990
e3245b26 1991 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
6291d7e4 1992
e3245b26 1993 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
6291d7e4
AK
1994 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1995 (double)total_size / 1024, ti1, bitrate);
1996
e3245b26
AK
1997 if (nb_frames_dup || nb_frames_drop)
1998 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1999 nb_frames_dup, nb_frames_drop);
6291d7e4 2000
f5646a32 2001 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
6291d7e4 2002
e3245b26 2003 fflush(stderr);
6291d7e4 2004
e3245b26 2005 if (is_last_report) {
6291d7e4 2006 int64_t raw= audio_size + video_size + extra_size;
e3245b26
AK
2007 av_log(NULL, AV_LOG_INFO, "\n");
2008 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
7636c8c6
AD
2009 video_size / 1024.0,
2010 audio_size / 1024.0,
2011 extra_size / 1024.0,
2012 100.0 * (total_size - raw) / raw
6291d7e4
AK
2013 );
2014 }
2015}
2016
ea9367e9 2017static void flush_encoders(void)
4a4ce2e7
AK
2018{
2019 int i, ret;
2020
ea9367e9 2021 for (i = 0; i < nb_output_streams; i++) {
2e215267 2022 OutputStream *ost = output_streams[i];
6f1c66d5 2023 AVCodecContext *enc = ost->st->codec;
2e215267 2024 AVFormatContext *os = output_files[ost->file_index]->ctx;
ee458cb1 2025 int stop_encoding = 0;
6f1c66d5 2026
b62b5cb6 2027 if (!ost->encoding_needed)
6f1c66d5
AK
2028 continue;
2029
7636c8c6 2030 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
6f1c66d5 2031 continue;
150ddbc1 2032 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
6f1c66d5
AK
2033 continue;
2034
7636c8c6 2035 for (;;) {
6f1c66d5 2036 AVPacket pkt;
8e37038a 2037 int fifo_bytes, got_packet;
6f1c66d5 2038 av_init_packet(&pkt);
ee458cb1
JR
2039 pkt.data = NULL;
2040 pkt.size = 0;
6f1c66d5
AK
2041
2042 switch (ost->st->codec->codec_type) {
2043 case AVMEDIA_TYPE_AUDIO:
2044 fifo_bytes = av_fifo_size(ost->fifo);
6f1c66d5 2045 if (fifo_bytes > 0) {
ee458cb1
JR
2046 /* encode any samples remaining in fifo */
2047 int frame_bytes = fifo_bytes;
6f1c66d5
AK
2048
2049 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
ee458cb1 2050
ee458cb1
JR
2051 encode_audio_frame(os, ost, audio_buf, frame_bytes);
2052 } else {
2053 /* flush encoder with NULL frames until it is done
2054 returning packets */
2055 if (encode_audio_frame(os, ost, NULL, 0) == 0) {
2056 stop_encoding = 1;
2057 break;
2058 }
6f1c66d5 2059 }
6f1c66d5
AK
2060 break;
2061 case AVMEDIA_TYPE_VIDEO:
8e37038a 2062 ret = avcodec_encode_video2(enc, &pkt, NULL, &got_packet);
6f1c66d5 2063 if (ret < 0) {
e3245b26 2064 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
6f1c66d5
AK
2065 exit_program(1);
2066 }
2067 video_size += ret;
6f1c66d5
AK
2068 if (ost->logfile && enc->stats_out) {
2069 fprintf(ost->logfile, "%s", enc->stats_out);
2070 }
8e37038a 2071 if (!got_packet) {
ee458cb1
JR
2072 stop_encoding = 1;
2073 break;
2074 }
8e37038a
AK
2075 if (pkt.pts != AV_NOPTS_VALUE)
2076 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
2077 if (pkt.dts != AV_NOPTS_VALUE)
2078 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
ee458cb1 2079 write_frame(os, &pkt, ost);
6f1c66d5
AK
2080 break;
2081 default:
ee458cb1 2082 stop_encoding = 1;
4a4ce2e7 2083 }
ee458cb1 2084 if (stop_encoding)
6f1c66d5 2085 break;
4a4ce2e7
AK
2086 }
2087 }
2088}
2089
7204ec1a
AK
2090/*
2091 * Check whether a packet from ist should be written into ost at this time
2092 */
2093static int check_output_constraints(InputStream *ist, OutputStream *ost)
2094{
2e215267
AK
2095 OutputFile *of = output_files[ost->file_index];
2096 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
7204ec1a
AK
2097
2098 if (ost->source_index != ist_index)
2099 return 0;
2100
23576b3f 2101 if (of->start_time && ist->last_dts < of->start_time)
7204ec1a
AK
2102 return 0;
2103
7204ec1a
AK
2104 return 1;
2105}
2106
2107static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
2108{
2e215267 2109 OutputFile *of = output_files[ost->file_index];
7204ec1a
AK
2110 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
2111 AVPacket opkt;
2112
2113 av_init_packet(&opkt);
2114
2115 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
2116 !ost->copy_initial_nonkeyframes)
2117 return;
2118
1270e12e 2119 if (of->recording_time != INT64_MAX &&
23576b3f 2120 ist->last_dts >= of->recording_time + of->start_time) {
1270e12e
AK
2121 ost->is_past_recording_time = 1;
2122 return;
2123 }
2124
7204ec1a
AK
2125 /* force the input stream PTS */
2126 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
2127 audio_size += pkt->size;
2128 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2129 video_size += pkt->size;
2130 ost->sync_opts++;
2131 }
2132
7204ec1a
AK
2133 if (pkt->pts != AV_NOPTS_VALUE)
2134 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
2135 else
2136 opkt.pts = AV_NOPTS_VALUE;
2137
2138 if (pkt->dts == AV_NOPTS_VALUE)
23576b3f 2139 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
7204ec1a
AK
2140 else
2141 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
2142 opkt.dts -= ost_tb_start_time;
2143
2144 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
2145 opkt.flags = pkt->flags;
2146
7636c8c6
AD
2147 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
2148 if ( ost->st->codec->codec_id != CODEC_ID_H264
7204ec1a
AK
2149 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
2150 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
ae5a9355 2151 && ost->st->codec->codec_id != CODEC_ID_VC1
7204ec1a
AK
2152 ) {
2153 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
2154 opkt.destruct = av_destruct_packet;
2155 } else {
2156 opkt.data = pkt->data;
2157 opkt.size = pkt->size;
2158 }
2159
f15f02c2 2160 write_frame(of->ctx, &opkt, ost);
7204ec1a 2161 ost->st->codec->frame_number++;
7204ec1a
AK
2162 av_free_packet(&opkt);
2163}
2164
2a651b71
AK
2165static void rate_emu_sleep(InputStream *ist)
2166{
2e215267 2167 if (input_files[ist->file_index]->rate_emu) {
23576b3f 2168 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
2a651b71
AK
2169 int64_t now = av_gettime() - ist->start;
2170 if (pts > now)
2171 usleep(pts - now);
2172 }
2173}
2174
ded28ba3
AK
2175static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
2176{
d1241ff3
JR
2177 AVFrame *decoded_frame;
2178 AVCodecContext *avctx = ist->st->codec;
ded28ba3 2179 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
ded28ba3
AK
2180 int i, ret;
2181
9179f27c 2182 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
d1241ff3 2183 return AVERROR(ENOMEM);
9179f27c
JR
2184 else
2185 avcodec_get_frame_defaults(ist->decoded_frame);
2186 decoded_frame = ist->decoded_frame;
ded28ba3 2187
d1241ff3
JR
2188 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
2189 if (ret < 0) {
ded28ba3 2190 return ret;
d1241ff3 2191 }
ded28ba3 2192
ded28ba3
AK
2193 if (!*got_output) {
2194 /* no audio frame */
af8ad892 2195 return ret;
ded28ba3
AK
2196 }
2197
d1241ff3
JR
2198 /* if the decoder provides a pts, use it instead of the last packet pts.
2199 the decoder could be delaying output by a packet or more. */
2200 if (decoded_frame->pts != AV_NOPTS_VALUE)
3101bb66 2201 ist->next_dts = decoded_frame->pts;
d1241ff3 2202
3101bb66 2203 /* increment next_dts to use for the case where the input stream does not
d1241ff3 2204 have timestamps or there are multiple frames in the packet */
3101bb66 2205 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
d1241ff3 2206 avctx->sample_rate;
ded28ba3
AK
2207
2208 // preprocess audio (volume)
2209 if (audio_volume != 256) {
d1241ff3
JR
2210 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
2211 void *samples = decoded_frame->data[0];
2212 switch (avctx->sample_fmt) {
ded28ba3
AK
2213 case AV_SAMPLE_FMT_U8:
2214 {
2215 uint8_t *volp = samples;
2216 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2217 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
2218 *volp++ = av_clip_uint8(v);
2219 }
2220 break;
2221 }
2222 case AV_SAMPLE_FMT_S16:
2223 {
2224 int16_t *volp = samples;
2225 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2226 int v = ((*volp) * audio_volume + 128) >> 8;
2227 *volp++ = av_clip_int16(v);
2228 }
2229 break;
2230 }
2231 case AV_SAMPLE_FMT_S32:
2232 {
2233 int32_t *volp = samples;
2234 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2235 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
2236 *volp++ = av_clipl_int32(v);
2237 }
2238 break;
2239 }
2240 case AV_SAMPLE_FMT_FLT:
2241 {
2242 float *volp = samples;
2243 float scale = audio_volume / 256.f;
2244 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2245 *volp++ *= scale;
2246 }
2247 break;
2248 }
2249 case AV_SAMPLE_FMT_DBL:
2250 {
2251 double *volp = samples;
2252 double scale = audio_volume / 256.;
2253 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2254 *volp++ *= scale;
2255 }
2256 break;
2257 }
2258 default:
2259 av_log(NULL, AV_LOG_FATAL,
2260 "Audio volume adjustment on sample format %s is not supported.\n",
2261 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
2262 exit_program(1);
2263 }
2264 }
2265
2266 rate_emu_sleep(ist);
2267
2268 for (i = 0; i < nb_output_streams; i++) {
2e215267 2269 OutputStream *ost = output_streams[i];
ded28ba3
AK
2270
2271 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2272 continue;
2e215267 2273 do_audio_out(output_files[ost->file_index]->ctx, ost, ist, decoded_frame);
ded28ba3 2274 }
110d2af2 2275
af8ad892 2276 return ret;
ded28ba3
AK
2277}
2278
45d4b66f
AK
2279static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
2280{
560f7774 2281 AVFrame *decoded_frame;
45d4b66f 2282 void *buffer_to_free = NULL;
e77c8662 2283 int i, ret = 0, resample_changed;
45d4b66f 2284 float quality;
45d4b66f 2285
9179f27c 2286 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
45d4b66f 2287 return AVERROR(ENOMEM);
9179f27c
JR
2288 else
2289 avcodec_get_frame_defaults(ist->decoded_frame);
2290 decoded_frame = ist->decoded_frame;
45d4b66f 2291 pkt->pts = *pkt_pts;
23576b3f 2292 pkt->dts = ist->last_dts;
45d4b66f
AK
2293 *pkt_pts = AV_NOPTS_VALUE;
2294
2295 ret = avcodec_decode_video2(ist->st->codec,
2296 decoded_frame, got_output, pkt);
2297 if (ret < 0)
9179f27c 2298 return ret;
45d4b66f
AK
2299
2300 quality = same_quant ? decoded_frame->quality : 0;
2301 if (!*got_output) {
2302 /* no picture yet */
89605e4a
AK
2303 if (!pkt->size)
2304 for (i = 0; i < ist->nb_filters; i++)
2305 av_buffersrc_buffer(ist->filters[i]->filter, NULL);
af8ad892 2306 return ret;
45d4b66f 2307 }
b34856a1
AK
2308 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
2309 decoded_frame->pkt_dts);
45d4b66f
AK
2310 pkt->size = 0;
2311 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
2312
2313 rate_emu_sleep(ist);
2314
695ec04e
AK
2315 if (ist->st->sample_aspect_ratio.num)
2316 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
2317
e77c8662
AK
2318 resample_changed = ist->resample_width != decoded_frame->width ||
2319 ist->resample_height != decoded_frame->height ||
2320 ist->resample_pix_fmt != decoded_frame->format;
2321 if (resample_changed) {
2322 av_log(NULL, AV_LOG_INFO,
2323 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
2324 ist->file_index, ist->st->index,
2325 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
2326 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
2327
2328 ist->resample_width = decoded_frame->width;
2329 ist->resample_height = decoded_frame->height;
2330 ist->resample_pix_fmt = decoded_frame->format;
e77c8662 2331
3b266da3
AK
2332 for (i = 0; i < nb_filtergraphs; i++)
2333 if (ist_in_filtergraph(filtergraphs[i], ist) &&
2334 configure_filtergraph(filtergraphs[i]) < 0) {
ac646076
AK
2335 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2336 exit_program(1);
3b266da3
AK
2337 }
2338 }
ac646076 2339
3b266da3 2340 for (i = 0; i < ist->nb_filters; i++) {
560f7774
AK
2341 // XXX what an ugly hack
2342 if (ist->filters[i]->graph->nb_outputs == 1)
2343 ist->filters[i]->graph->outputs[0]->ost->last_quality = quality;
2344
04a14d4d
AK
2345 if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
2346 FrameBuffer *buf = decoded_frame->opaque;
2347 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
2348 decoded_frame->data, decoded_frame->linesize,
2349 AV_PERM_READ | AV_PERM_PRESERVE,
2350 ist->st->codec->width, ist->st->codec->height,
2351 ist->st->codec->pix_fmt);
2352
2353 avfilter_copy_frame_props(fb, decoded_frame);
04a14d4d
AK
2354 fb->buf->priv = buf;
2355 fb->buf->free = filter_release_buffer;
2356
2357 buf->refcount++;
560f7774 2358 av_buffersrc_buffer(ist->filters[i]->filter, fb);
04a14d4d 2359 } else
720c6b78 2360 av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
45d4b66f
AK
2361 }
2362
45d4b66f 2363 av_free(buffer_to_free);
45d4b66f
AK
2364 return ret;
2365}
2366
9595234c
AK
2367static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2368{
2369 AVSubtitle subtitle;
2370 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2371 &subtitle, got_output, pkt);
2372 if (ret < 0)
2373 return ret;
2374 if (!*got_output)
af8ad892 2375 return ret;
9595234c
AK
2376
2377 rate_emu_sleep(ist);
2378
2379 for (i = 0; i < nb_output_streams; i++) {
2e215267 2380 OutputStream *ost = output_streams[i];
9595234c
AK
2381
2382 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2383 continue;
2384
2e215267 2385 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
9595234c
AK
2386 }
2387
2388 avsubtitle_free(&subtitle);
af8ad892 2389 return ret;
9595234c
AK
2390}
2391
6291d7e4 2392/* pkt = NULL means EOF (needed to flush decoder buffers) */
ea9367e9 2393static int output_packet(InputStream *ist, const AVPacket *pkt)
6291d7e4 2394{
ffa0674e 2395 int i;
6291d7e4 2396 int got_output;
6291d7e4 2397 int64_t pkt_pts = AV_NOPTS_VALUE;
6291d7e4 2398 AVPacket avpkt;
6291d7e4 2399
3101bb66 2400 if (ist->next_dts == AV_NOPTS_VALUE)
23576b3f 2401 ist->next_dts = ist->last_dts;
6291d7e4
AK
2402
2403 if (pkt == NULL) {
2404 /* EOF handling */
2405 av_init_packet(&avpkt);
2406 avpkt.data = NULL;
2407 avpkt.size = 0;
2408 goto handle_eof;
2409 } else {
2410 avpkt = *pkt;
2411 }
2412
7636c8c6 2413 if (pkt->dts != AV_NOPTS_VALUE)
23576b3f 2414 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
7636c8c6 2415 if (pkt->pts != AV_NOPTS_VALUE)
6291d7e4
AK
2416 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2417
7636c8c6 2418 // while we have more to decode or while the decoder did output something on EOF
2a651b71 2419 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
ffa0674e 2420 int ret = 0;
6291d7e4 2421 handle_eof:
6291d7e4 2422
23576b3f 2423 ist->last_dts = ist->next_dts;
8b0268a8
AK
2424
2425 if (avpkt.size && avpkt.size != pkt->size) {
e3245b26
AK
2426 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2427 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
8b0268a8
AK
2428 ist->showed_multi_packet_warning = 1;
2429 }
6291d7e4 2430
7636c8c6 2431 switch (ist->st->codec->codec_type) {
82963f8f
AK
2432 case AVMEDIA_TYPE_AUDIO:
2433 ret = transcode_audio (ist, &avpkt, &got_output);
2434 break;
2435 case AVMEDIA_TYPE_VIDEO:
2436 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
b34856a1
AK
2437 if (avpkt.duration)
2438 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
722410ad
AK
2439 else if (ist->st->r_frame_rate.num)
2440 ist->next_dts += av_rescale_q(1, (AVRational){ist->st->r_frame_rate.den,
2441 ist->st->r_frame_rate.num},
2442 AV_TIME_BASE_Q);
b34856a1
AK
2443 else if (ist->st->codec->time_base.num != 0) {
2444 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
2445 ist->st->codec->ticks_per_frame;
2446 ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q);
2447 }
82963f8f
AK
2448 break;
2449 case AVMEDIA_TYPE_SUBTITLE:
2450 ret = transcode_subtitles(ist, &avpkt, &got_output);
2451 break;
78162b4e
AK
2452 default:
2453 return -1;
2454 }
6291d7e4 2455
d3c1d37a
AK
2456 if (ret < 0)
2457 return ret;
aa38cff2
JG
2458 // touch data and size only if not EOF
2459 if (pkt) {
2460 avpkt.data += ret;
2461 avpkt.size -= ret;
2462 }
82963f8f 2463 if (!got_output) {
af8ad892 2464 continue;
82963f8f 2465 }
6291d7e4 2466 }
6291d7e4 2467
7204ec1a 2468 /* handle stream copy */
2a651b71
AK
2469 if (!ist->decoding_needed) {
2470 rate_emu_sleep(ist);
23576b3f 2471 ist->last_dts = ist->next_dts;
2a651b71
AK
2472 switch (ist->st->codec->codec_type) {
2473 case AVMEDIA_TYPE_AUDIO:
3101bb66 2474 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2a651b71
AK
2475 ist->st->codec->sample_rate;
2476 break;
2477 case AVMEDIA_TYPE_VIDEO:
2478 if (ist->st->codec->time_base.num != 0) {
7636c8c6 2479 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
3101bb66 2480 ist->next_dts += ((int64_t)AV_TIME_BASE *
2a651b71
AK
2481 ist->st->codec->time_base.num * ticks) /
2482 ist->st->codec->time_base.den;
2483 }
2484 break;
2485 }
2486 }
ea9367e9 2487 for (i = 0; pkt && i < nb_output_streams; i++) {
2e215267 2488 OutputStream *ost = output_streams[i];
7204ec1a
AK
2489
2490 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2491 continue;
2492
2493 do_streamcopy(ist, ost, pkt);
2494 }
2495
6291d7e4
AK
2496 return 0;
2497}
2498
ea9367e9 2499static void print_sdp(void)
6291d7e4
AK
2500{
2501 char sdp[2048];
af70aa45 2502 int i;
ea9367e9 2503 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
af70aa45
AK
2504
2505 if (!avc)
2506 exit_program(1);
ea9367e9 2507 for (i = 0; i < nb_output_files; i++)
2e215267 2508 avc[i] = output_files[i]->ctx;
6291d7e4 2509
ea9367e9 2510 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
6291d7e4
AK
2511 printf("SDP:\n%s\n", sdp);
2512 fflush(stdout);
af70aa45 2513 av_freep(&avc);
6291d7e4
AK
2514}
2515
ea9367e9 2516static int init_input_stream(int ist_index, char *error, int error_len)
630902a1
AK
2517{
2518 int i;
2e215267 2519 InputStream *ist = input_streams[ist_index];
630902a1
AK
2520 if (ist->decoding_needed) {
2521 AVCodec *codec = ist->dec;
630902a1 2522 if (!codec) {
9a414d89 2523 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
630902a1
AK
2524 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2525 return AVERROR(EINVAL);
2526 }
2527
2528 /* update requested sample format for the decoder based on the
2529 corresponding encoder sample format */
2530 for (i = 0; i < nb_output_streams; i++) {
2e215267 2531 OutputStream *ost = output_streams[i];
630902a1
AK
2532 if (ost->source_index == ist_index) {
2533 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2534 break;
2535 }
2536 }
2537
64dca32c
AK
2538 if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
2539 ist->st->codec->get_buffer = codec_get_buffer;
2540 ist->st->codec->release_buffer = codec_release_buffer;
2541 ist->st->codec->opaque = ist;
2542 }
2543
2473a45c
JG
2544 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2545 av_dict_set(&ist->opts, "threads", "auto", 0);
630902a1 2546 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
9a414d89 2547 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
630902a1
AK
2548 ist->file_index, ist->st->index);
2549 return AVERROR(EINVAL);
2550 }
2551 assert_codec_experimental(ist->st->codec, 0);
2552 assert_avoptions(ist->opts);
d3c59d50
JR
2553
2554 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2555 for (i = 0; i < nb_output_streams; i++) {
2e215267 2556 OutputStream *ost = output_streams[i];
d3c59d50
JR
2557 if (ost->source_index == ist_index) {
2558 if (!ist->st->codec->channel_layout || !ost->st->codec->channel_layout)
2559 get_default_channel_layouts(ost, ist);
2560 break;
2561 }
2562 }
2563 }
630902a1
AK
2564 }
2565
23576b3f 2566 ist->last_dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
3101bb66 2567 ist->next_dts = AV_NOPTS_VALUE;
630902a1
AK
2568 init_pts_correction(&ist->pts_ctx);
2569 ist->is_start = 1;
2570
2571 return 0;
2572}
2573
3b266da3
AK
2574static InputStream *get_input_stream(OutputStream *ost)
2575{
2576 if (ost->source_index >= 0)
2577 return input_streams[ost->source_index];
2578
2579 if (ost->filter) {
2580 FilterGraph *fg = ost->filter->graph;
2581 int i;
2582
2583 for (i = 0; i < fg->nb_inputs; i++)
2584 if (fg->inputs[i]->ist->st->codec->codec_type == ost->st->codec->codec_type)
2585 return fg->inputs[i]->ist;
2586 }
2587
2588 return NULL;
2589}
2590
ea9367e9 2591static int transcode_init(void)
6291d7e4 2592{
2c474ddb 2593 int ret = 0, i, j, k;
1bb77e51 2594 AVFormatContext *oc;
6291d7e4 2595 AVCodecContext *codec, *icodec;
4288e031 2596 OutputStream *ost;
6291d7e4
AK
2597 InputStream *ist;
2598 char error[1024];
2599 int want_sdp = 1;
b0c9e8e0 2600
f4805328
AK
2601 /* init framerate emulation */
2602 for (i = 0; i < nb_input_files; i++) {
2e215267 2603 InputFile *ifile = input_files[i];
f4805328
AK
2604 if (ifile->rate_emu)
2605 for (j = 0; j < ifile->nb_streams; j++)
2e215267 2606 input_streams[j + ifile->ist_index]->start = av_gettime();
f4805328 2607 }
6291d7e4
AK
2608
2609 /* output stream init */
03f30c83 2610 for (i = 0; i < nb_output_files; i++) {
2e215267 2611 oc = output_files[i]->ctx;
1bb77e51
AK
2612 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2613 av_dump_format(oc, i, oc->filename, 1);
e3245b26 2614 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
eaf2d37a 2615 return AVERROR(EINVAL);
6291d7e4 2616 }
6291d7e4
AK
2617 }
2618
3b266da3
AK
2619 /* init complex filtergraphs */
2620 for (i = 0; i < nb_filtergraphs; i++)
2621 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2622 return ret;
2623
6291d7e4 2624 /* for each output stream, we compute the right encoding parameters */
4288e031 2625 for (i = 0; i < nb_output_streams; i++) {
2e215267
AK
2626 ost = output_streams[i];
2627 oc = output_files[ost->file_index]->ctx;
3b266da3 2628 ist = get_input_stream(ost);
6291d7e4 2629
4dbc6cee
AK
2630 if (ost->attachment_filename)
2631 continue;
2632
03f30c83 2633 codec = ost->st->codec;
6291d7e4 2634
3b266da3
AK
2635 if (ist) {
2636 icodec = ist->st->codec;
2637
2638 ost->st->disposition = ist->st->disposition;
2639 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2640 codec->chroma_sample_location = icodec->chroma_sample_location;
2641 }
6291d7e4 2642
3d813e4c 2643 if (ost->stream_copy) {
8c4022ac
AK
2644 uint64_t extra_size;
2645
2646 av_assert0(ist && !ost->filter);
2647
2648 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
6291d7e4 2649
e6d2b737 2650 if (extra_size > INT_MAX) {
eaf2d37a 2651 return AVERROR(EINVAL);
e6d2b737 2652 }
6291d7e4
AK
2653
2654 /* if stream_copy is selected, no need to decode or encode */
03f30c83 2655 codec->codec_id = icodec->codec_id;
6291d7e4
AK
2656 codec->codec_type = icodec->codec_type;
2657
03f30c83
AK
2658 if (!codec->codec_tag) {
2659 if (!oc->oformat->codec_tag ||
2660 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2661 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
6291d7e4
AK
2662 codec->codec_tag = icodec->codec_tag;
2663 }
2664
03f30c83 2665 codec->bit_rate = icodec->bit_rate;
6291d7e4
AK
2666 codec->rc_max_rate = icodec->rc_max_rate;
2667 codec->rc_buffer_size = icodec->rc_buffer_size;
4bf3c8f2 2668 codec->field_order = icodec->field_order;
03f30c83 2669 codec->extradata = av_mallocz(extra_size);
e6d2b737 2670 if (!codec->extradata) {
eaf2d37a 2671 return AVERROR(ENOMEM);
e6d2b737 2672 }
6291d7e4 2673 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
03f30c83 2674 codec->extradata_size = icodec->extradata_size;
7bb3e625 2675 if (!copy_tb) {
03f30c83 2676 codec->time_base = icodec->time_base;
6291d7e4
AK
2677 codec->time_base.num *= icodec->ticks_per_frame;
2678 av_reduce(&codec->time_base.num, &codec->time_base.den,
2679 codec->time_base.num, codec->time_base.den, INT_MAX);
03f30c83 2680 } else
6291d7e4 2681 codec->time_base = ist->st->time_base;
03f30c83 2682
7636c8c6 2683 switch (codec->codec_type) {
6291d7e4 2684 case AVMEDIA_TYPE_AUDIO:
7636c8c6 2685 if (audio_volume != 256) {
e3245b26 2686 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
6291d7e4
AK
2687 exit_program(1);
2688 }
03f30c83
AK
2689 codec->channel_layout = icodec->channel_layout;
2690 codec->sample_rate = icodec->sample_rate;
2691 codec->channels = icodec->channels;
2692 codec->frame_size = icodec->frame_size;
6291d7e4 2693 codec->audio_service_type = icodec->audio_service_type;
03f30c83 2694 codec->block_align = icodec->block_align;
6291d7e4
AK
2695 break;
2696 case AVMEDIA_TYPE_VIDEO:
03f30c83
AK
2697 codec->pix_fmt = icodec->pix_fmt;
2698 codec->width = icodec->width;
2699 codec->height = icodec->height;
2700 codec->has_b_frames = icodec->has_b_frames;
6291d7e4 2701 if (!codec->sample_aspect_ratio.num) {
03f30c83 2702 codec->sample_aspect_ratio =
6291d7e4
AK
2703 ost->st->sample_aspect_ratio =
2704 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2705 ist->st->codec->sample_aspect_ratio.num ?
2706 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2707 }
2708 break;
2709 case AVMEDIA_TYPE_SUBTITLE:
03f30c83 2710 codec->width = icodec->width;
6291d7e4
AK
2711 codec->height = icodec->height;
2712 break;
2713 case AVMEDIA_TYPE_DATA:
3ccd1580 2714 case AVMEDIA_TYPE_ATTACHMENT:
6291d7e4
AK
2715 break;
2716 default:
2717 abort();
2718 }
2719 } else {
2994913d
AK
2720 if (!ost->enc) {
2721 /* should only happen when a default codec is not present. */
2722 snprintf(error, sizeof(error), "Automatic encoder selection "
2723 "failed for output stream #%d:%d. Default encoder for "
2724 "format %s is probably disabled. Please choose an "
2725 "encoder manually.\n", ost->file_index, ost->index,
2726 oc->oformat->name);
2727 ret = AVERROR(EINVAL);
2728 goto dump_format;
2729 }
03f30c83 2730
3b266da3
AK
2731 if (ist)
2732 ist->decoding_needed = 1;
11fdb7e1 2733 ost->encoding_needed = 1;
03f30c83 2734
7636c8c6 2735 switch (codec->codec_type) {
6291d7e4 2736 case AVMEDIA_TYPE_AUDIO:
03f30c83 2737 ost->fifo = av_fifo_alloc(1024);
e6d2b737 2738 if (!ost->fifo) {
eaf2d37a 2739 return AVERROR(ENOMEM);
e6d2b737 2740 }
03f30c83 2741
d0a19696 2742 if (!codec->sample_rate)
6291d7e4 2743 codec->sample_rate = icodec->sample_rate;
6291d7e4 2744 choose_sample_rate(ost->st, ost->enc);
7636c8c6 2745 codec->time_base = (AVRational){ 1, codec->sample_rate };
03f30c83 2746
6291d7e4
AK
2747 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2748 codec->sample_fmt = icodec->sample_fmt;
2749 choose_sample_fmt(ost->st, ost->enc);
03f30c83 2750
6291d7e4
AK
2751 if (!codec->channels)
2752 codec->channels = icodec->channels;
bcb82fe1
JR
2753 if (!codec->channel_layout)
2754 codec->channel_layout = icodec->channel_layout;
6291d7e4
AK
2755 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2756 codec->channel_layout = 0;
03f30c83 2757
03f30c83 2758 icodec->request_channels = codec-> channels;
6291d7e4
AK
2759 ost->resample_sample_fmt = icodec->sample_fmt;
2760 ost->resample_sample_rate = icodec->sample_rate;
2761 ost->resample_channels = icodec->channels;
bcb82fe1 2762 ost->resample_channel_layout = icodec->channel_layout;
6291d7e4
AK
2763 break;
2764 case AVMEDIA_TYPE_VIDEO:
3b266da3
AK
2765 if (!ost->filter) {
2766 FilterGraph *fg;
2767 fg = init_simple_filtergraph(ist, ost);
2768 if (configure_video_filters(fg)) {
2769 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2770 exit(1);
2771 }
2772 }
2773
832ba44d
AK
2774 /*
2775 * We want CFR output if and only if one of those is true:
2776 * 1) user specified output framerate with -r
2777 * 2) user specified -vsync cfr
2778 * 3) output format is CFR and the user didn't force vsync to
2779 * something else than CFR
2780 *
2781 * in such a case, set ost->frame_rate
2782 */
3b266da3 2783 if (!ost->frame_rate.num && ist &&
832ba44d
AK
2784 (video_sync_method == VSYNC_CFR ||
2785 (video_sync_method == VSYNC_AUTO &&
2786 !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
2787 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1};
2788 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2789 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2790 ost->frame_rate = ost->enc->supported_framerates[idx];
2791 }
6291d7e4 2792 }
832ba44d
AK
2793 if (ost->frame_rate.num) {
2794 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2795 video_sync_method = VSYNC_CFR;
3b266da3 2796 } else if (ist)
832ba44d 2797 codec->time_base = ist->st->time_base;
3b266da3
AK
2798 else
2799 codec->time_base = ost->filter->filter->inputs[0]->time_base;
6291d7e4 2800
3b266da3
AK
2801 codec->width = ost->filter->filter->inputs[0]->w;
2802 codec->height = ost->filter->filter->inputs[0]->h;
2803 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2804 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
2805 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
2806 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2807 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
b7327887 2808
9dced854
AK
2809 if (codec->width != icodec->width ||
2810 codec->height != icodec->height ||
2811 codec->pix_fmt != icodec->pix_fmt) {
b7327887
AK
2812 codec->bits_per_raw_sample = 0;
2813 }
2814
6291d7e4
AK
2815 break;
2816 case AVMEDIA_TYPE_SUBTITLE:
c9af8326 2817 codec->time_base = (AVRational){1, 1000};
6291d7e4
AK
2818 break;
2819 default:
2820 abort();
2821 break;
2822 }
2823 /* two pass mode */
515901fa 2824 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
6291d7e4
AK
2825 char logfilename[1024];
2826 FILE *f;
2827
2828 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2829 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2830 i);
6e8be949
AK
2831 if (!strcmp(ost->enc->name, "libx264")) {
2832 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2833 } else {
64334ddb
AK
2834 if (codec->flags & CODEC_FLAG_PASS1) {
2835 f = fopen(logfilename, "wb");
2836 if (!f) {
2837 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2838 logfilename, strerror(errno));
2839 exit_program(1);
2840 }
2841 ost->logfile = f;
2842 } else {
2843 char *logbuffer;
2844 size_t logbuffer_size;
2845 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2846 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2847 logfilename);
2848 exit_program(1);
2849 }
2850 codec->stats_in = logbuffer;
6291d7e4 2851 }
6e8be949 2852 }
6291d7e4
AK
2853 }
2854 }
6291d7e4
AK
2855 }
2856
2857 /* open each encoder */
4288e031 2858 for (i = 0; i < nb_output_streams; i++) {
2e215267 2859 ost = output_streams[i];
6291d7e4 2860 if (ost->encoding_needed) {
03f30c83 2861 AVCodec *codec = ost->enc;
3b266da3 2862 AVCodecContext *dec = NULL;
3b266da3
AK
2863
2864 if ((ist = get_input_stream(ost)))
2865 dec = ist->st->codec;
2866 if (dec && dec->subtitle_header) {
6291d7e4
AK
2867 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2868 if (!ost->st->codec->subtitle_header) {
2869 ret = AVERROR(ENOMEM);
2870 goto dump_format;
2871 }
2872 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2873 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2874 }
2473a45c
JG
2875 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2876 av_dict_set(&ost->opts, "threads", "auto", 0);
6291d7e4 2877 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
9a414d89 2878 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
2879 ost->file_index, ost->index);
2880 ret = AVERROR(EINVAL);
2881 goto dump_format;
2882 }
2883 assert_codec_experimental(ost->st->codec, 1);
2884 assert_avoptions(ost->opts);
2885 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2886 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2887 "It takes bits/s as argument, not kbits/s\n");
2888 extra_size += ost->st->codec->extradata_size;
d242d80e
AK
2889
2890 if (ost->st->codec->me_threshold)
2e215267 2891 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
6291d7e4
AK
2892 }
2893 }
2894
630902a1
AK
2895 /* init input streams */
2896 for (i = 0; i < nb_input_streams; i++)
ea9367e9 2897 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
630902a1 2898 goto dump_format;
6291d7e4 2899
2c474ddb
AK
2900 /* discard unused programs */
2901 for (i = 0; i < nb_input_files; i++) {
2e215267 2902 InputFile *ifile = input_files[i];
2c474ddb
AK
2903 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2904 AVProgram *p = ifile->ctx->programs[j];
2905 int discard = AVDISCARD_ALL;
2906
2907 for (k = 0; k < p->nb_stream_indexes; k++)
2e215267 2908 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2c474ddb
AK
2909 discard = AVDISCARD_DEFAULT;
2910 break;
2911 }
2912 p->discard = discard;
2913 }
2914 }
2915
6291d7e4 2916 /* open files and write file headers */
af70aa45 2917 for (i = 0; i < nb_output_files; i++) {
2e215267 2918 oc = output_files[i]->ctx;
1bb77e51 2919 oc->interrupt_callback = int_cb;
2e215267 2920 if (avformat_write_header(oc, &output_files[i]->opts) < 0) {
6291d7e4
AK
2921 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2922 ret = AVERROR(EINVAL);
2923 goto dump_format;
2924 }
2e215267 2925 assert_avoptions(output_files[i]->opts);
1bb77e51 2926 if (strcmp(oc->oformat->name, "rtp")) {
6291d7e4
AK
2927 want_sdp = 0;
2928 }
2929 }
2930
2931 dump_format:
2932 /* dump the file output parameters - cannot be done before in case
2933 of stream copy */
03f30c83 2934 for (i = 0; i < nb_output_files; i++) {
2e215267 2935 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
6291d7e4
AK
2936 }
2937
2938 /* dump the stream mapping */
e3245b26 2939 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3b266da3
AK
2940 for (i = 0; i < nb_input_streams; i++) {
2941 ist = input_streams[i];
2942
2943 for (j = 0; j < ist->nb_filters; j++) {
2944 AVFilterLink *link = ist->filters[j]->filter->outputs[0];
2945 if (ist->filters[j]->graph->graph_desc) {
2946 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2947 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
2948 link->dst->filter->name);
2949 if (link->dst->input_count > 1)
2950 av_log(NULL, AV_LOG_INFO, ":%s", link->dstpad->name);
2951 if (nb_filtergraphs > 1)
2952 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2953 av_log(NULL, AV_LOG_INFO, "\n");
2954 }
2955 }
2956 }
2957
e3245b26 2958 for (i = 0; i < nb_output_streams; i++) {
2e215267 2959 ost = output_streams[i];
4dbc6cee
AK
2960
2961 if (ost->attachment_filename) {
2962 /* an attached file */
2963 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2964 ost->attachment_filename, ost->file_index, ost->index);
2965 continue;
2966 }
3b266da3
AK
2967
2968 if (ost->filter && ost->filter->graph->graph_desc) {
2969 /* output from a complex graph */
2970 AVFilterLink *link = ost->filter->filter->inputs[0];
2971 av_log(NULL, AV_LOG_INFO, " %s", link->src->filter->name);
2972 if (link->src->output_count > 1)
2973 av_log(NULL, AV_LOG_INFO, ":%s", link->srcpad->name);
2974 if (nb_filtergraphs > 1)
2975 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2976
2977 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2978 ost->index, ost->enc ? ost->enc->name : "?");
2979 continue;
2980 }
2981
9a414d89 2982 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2e215267
AK
2983 input_streams[ost->source_index]->file_index,
2984 input_streams[ost->source_index]->st->index,
e3245b26
AK
2985 ost->file_index,
2986 ost->index);
2e215267 2987 if (ost->sync_ist != input_streams[ost->source_index])
9a414d89 2988 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
e3245b26
AK
2989 ost->sync_ist->file_index,
2990 ost->sync_ist->st->index);
3d813e4c 2991 if (ost->stream_copy)
e3245b26
AK
2992 av_log(NULL, AV_LOG_INFO, " (copy)");
2993 else
2e215267
AK
2994 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
2995 input_streams[ost->source_index]->dec->name : "?",
e3245b26
AK
2996 ost->enc ? ost->enc->name : "?");
2997 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
2998 }
2999
3000 if (ret) {
e3245b26 3001 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 3002 return ret;
6291d7e4
AK
3003 }
3004
3005 if (want_sdp) {
ea9367e9 3006 print_sdp();
6291d7e4
AK
3007 }
3008
eaf2d37a
AC
3009 return 0;
3010}
3011
3012/*
3013 * The following code is the main loop of the file converter
3014 */
ea9367e9 3015static int transcode(void)
eaf2d37a
AC
3016{
3017 int ret, i;
3018 AVFormatContext *is, *os;
3019 OutputStream *ost;
3020 InputStream *ist;
3021 uint8_t *no_packet;
7636c8c6 3022 int no_packet_count = 0;
eaf2d37a
AC
3023 int64_t timer_start;
3024
3025 if (!(no_packet = av_mallocz(nb_input_files)))
3026 exit_program(1);
3027
ea9367e9 3028 ret = transcode_init();
eaf2d37a
AC
3029 if (ret < 0)
3030 goto fail;
3031
e3245b26 3032 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
3033 term_init();
3034
3035 timer_start = av_gettime();
3036
7636c8c6 3037 for (; received_sigterm == 0;) {
3b266da3 3038 int file_index, ist_index, past_recording_time = 1;
6291d7e4 3039 AVPacket pkt;
9be3c124 3040 int64_t ipts_min;
6291d7e4 3041
9be3c124 3042 ipts_min = INT64_MAX;
6291d7e4 3043
3b266da3 3044 /* check if there's any stream where output is still needed */
4288e031 3045 for (i = 0; i < nb_output_streams; i++) {
f21f294e 3046 OutputFile *of;
2e215267 3047 ost = output_streams[i];
3b266da3
AK
3048 of = output_files[ost->file_index];
3049 os = output_files[ost->file_index]->ctx;
3050 if (ost->is_past_recording_time ||
f21f294e 3051 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
6291d7e4 3052 continue;
3b266da3
AK
3053 if (ost->frame_number > ost->max_frames) {
3054 int j;
3055 for (j = 0; j < of->ctx->nb_streams; j++)
3056 output_streams[of->ost_index + j]->is_past_recording_time = 1;
3057 continue;
3058 }
3059 past_recording_time = 0;
3060 }
3061 if (past_recording_time)
3062 break;
3063
3064 /* select the stream that we must read now by looking at the
3065 smallest output pts */
3066 file_index = -1;
3067 for (i = 0; i < nb_input_streams; i++) {
3068 int64_t ipts;
3069 ist = input_streams[i];
23576b3f 3070 ipts = ist->last_dts;
3b266da3
AK
3071 if (ist->discard || no_packet[ist->file_index])
3072 continue;
2e215267 3073 if (!input_files[ist->file_index]->eof_reached) {
7636c8c6 3074 if (ipts < ipts_min) {
6291d7e4 3075 ipts_min = ipts;
3b266da3 3076 file_index = ist->file_index;
6291d7e4
AK
3077 }
3078 }
6291d7e4
AK
3079 }
3080 /* if none, if is finished */
3081 if (file_index < 0) {
7636c8c6
AD
3082 if (no_packet_count) {
3083 no_packet_count = 0;
b0c9e8e0 3084 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
3085 usleep(10000);
3086 continue;
3087 }
3088 break;
3089 }
3090
6291d7e4 3091 /* read a frame from it and output it in the fifo */
2e215267 3092 is = input_files[file_index]->ctx;
7636c8c6
AD
3093 ret = av_read_frame(is, &pkt);
3094 if (ret == AVERROR(EAGAIN)) {
3095 no_packet[file_index] = 1;
6291d7e4
AK
3096 no_packet_count++;
3097 continue;
3098 }
3099 if (ret < 0) {
2e215267 3100 input_files[file_index]->eof_reached = 1;
9e8aae44
AK
3101
3102 for (i = 0; i < input_files[file_index]->nb_streams; i++) {
3103 ist = input_streams[input_files[file_index]->ist_index + i];
3104 if (ist->decoding_needed)
3105 output_packet(ist, NULL);
3106 }
3107
6291d7e4
AK
3108 if (opt_shortest)
3109 break;
3110 else
3111 continue;
3112 }
3113
7636c8c6 3114 no_packet_count = 0;
b0c9e8e0 3115 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
3116
3117 if (do_pkt_dump) {
3118 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3119 is->streams[pkt.stream_index]);
3120 }
3121 /* the following test is needed in case new streams appear
3122 dynamically in stream : we ignore them */
2e215267 3123 if (pkt.stream_index >= input_files[file_index]->nb_streams)
6291d7e4 3124 goto discard_packet;
2e215267
AK
3125 ist_index = input_files[file_index]->ist_index + pkt.stream_index;
3126 ist = input_streams[ist_index];
6291d7e4
AK
3127 if (ist->discard)
3128 goto discard_packet;
3129
3130 if (pkt.dts != AV_NOPTS_VALUE)
2e215267 3131 pkt.dts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
6291d7e4 3132 if (pkt.pts != AV_NOPTS_VALUE)
2e215267 3133 pkt.pts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
6291d7e4 3134
7636c8c6 3135 if (pkt.pts != AV_NOPTS_VALUE)
33f75d72 3136 pkt.pts *= ist->ts_scale;
7636c8c6 3137 if (pkt.dts != AV_NOPTS_VALUE)
33f75d72 3138 pkt.dts *= ist->ts_scale;
6291d7e4 3139
7636c8c6 3140 //fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n",
3101bb66 3141 // ist->next_dts,
7636c8c6
AD
3142 // pkt.dts, input_files[ist->file_index].ts_offset,
3143 // ist->st->codec->codec_type);
3101bb66 3144 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE
6291d7e4 3145 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
7636c8c6 3146 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3101bb66 3147 int64_t delta = pkt_dts - ist->next_dts;
23576b3f 3148 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2e215267 3149 input_files[ist->file_index]->ts_offset -= delta;
7636c8c6
AD
3150 av_log(NULL, AV_LOG_DEBUG,
3151 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2e215267 3152 delta, input_files[ist->file_index]->ts_offset);
6291d7e4 3153 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
7636c8c6 3154 if (pkt.pts != AV_NOPTS_VALUE)
6291d7e4
AK
3155 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3156 }
3157 }
3158
7636c8c6 3159 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
560f7774 3160 if (output_packet(ist, &pkt) < 0 || poll_filters() < 0) {
9a414d89 3161 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
e3245b26 3162 ist->file_index, ist->st->index);
6291d7e4
AK
3163 if (exit_on_error)
3164 exit_program(1);
3165 av_free_packet(&pkt);
b9630bcf 3166 continue;
6291d7e4
AK
3167 }
3168
3169 discard_packet:
3170 av_free_packet(&pkt);
3171
3172 /* dump report by using the output first video and audio streams */
ea9367e9 3173 print_report(0, timer_start);
6291d7e4
AK
3174 }
3175
3176 /* at the end of stream, we must flush the decoder buffers */
3177 for (i = 0; i < nb_input_streams; i++) {
2e215267 3178 ist = input_streams[i];
9e8aae44 3179 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
ea9367e9 3180 output_packet(ist, NULL);
6291d7e4
AK
3181 }
3182 }
560f7774 3183 poll_filters();
ea9367e9 3184 flush_encoders();
6291d7e4
AK
3185
3186 term_exit();
3187
3188 /* write the trailer if needed and close file */
7636c8c6 3189 for (i = 0; i < nb_output_files; i++) {
2e215267 3190 os = output_files[i]->ctx;
6291d7e4
AK
3191 av_write_trailer(os);
3192 }
3193
3194 /* dump report by using the first video and audio streams */
ea9367e9 3195 print_report(1, timer_start);
6291d7e4
AK
3196
3197 /* close each encoder */
4288e031 3198 for (i = 0; i < nb_output_streams; i++) {
2e215267 3199 ost = output_streams[i];
6291d7e4
AK
3200 if (ost->encoding_needed) {
3201 av_freep(&ost->st->codec->stats_in);
3202 avcodec_close(ost->st->codec);
3203 }
6291d7e4
AK
3204 }
3205
3206 /* close each decoder */
3207 for (i = 0; i < nb_input_streams; i++) {
2e215267 3208 ist = input_streams[i];
6291d7e4
AK
3209 if (ist->decoding_needed) {
3210 avcodec_close(ist->st->codec);
3211 }
3212 }
3213
3214 /* finished ! */
3215 ret = 0;
3216
3217 fail:
b0c9e8e0 3218 av_freep(&no_packet);
6291d7e4 3219
4288e031
AK
3220 if (output_streams) {
3221 for (i = 0; i < nb_output_streams; i++) {
2e215267 3222 ost = output_streams[i];
6291d7e4 3223 if (ost) {
3d813e4c 3224 if (ost->stream_copy)
6291d7e4
AK
3225 av_freep(&ost->st->codec->extradata);
3226 if (ost->logfile) {
3227 fclose(ost->logfile);
3228 ost->logfile = NULL;
3229 }
3230 av_fifo_free(ost->fifo); /* works even if fifo is not
3231 initialized but set to zero */
3232 av_freep(&ost->st->codec->subtitle_header);
6291d7e4 3233 av_free(ost->forced_kf_pts);
bcb82fe1
JR
3234 if (ost->avr)
3235 avresample_free(&ost->avr);
6291d7e4 3236 av_dict_free(&ost->opts);
6291d7e4
AK
3237 }
3238 }
6291d7e4
AK
3239 }
3240 return ret;
3241}
3242
ca46fde7 3243static double parse_frame_aspect_ratio(const char *arg)
6291d7e4
AK
3244{
3245 int x = 0, y = 0;
3246 double ar = 0;
3247 const char *p;
3248 char *end;
3249
3250 p = strchr(arg, ':');
3251 if (p) {
3252 x = strtol(arg, &end, 10);
3253 if (end == p)
7636c8c6 3254 y = strtol(end + 1, &end, 10);
6291d7e4
AK
3255 if (x > 0 && y > 0)
3256 ar = (double)x / (double)y;
3257 } else
3258 ar = strtod(arg, NULL);
3259
3260 if (!ar) {
e3245b26 3261 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
ca46fde7 3262 exit_program(1);
6291d7e4 3263 }
ca46fde7 3264 return ar;
6291d7e4
AK
3265}
3266
35e6f8c1 3267static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 3268{
35e6f8c1 3269 return parse_option(o, "codec:a", arg, options);
6291d7e4
AK
3270}
3271
35e6f8c1 3272static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 3273{
35e6f8c1 3274 return parse_option(o, "codec:v", arg, options);
6291d7e4
AK
3275}
3276
35e6f8c1 3277static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 3278{
35e6f8c1 3279 return parse_option(o, "codec:s", arg, options);
6291d7e4
AK
3280}
3281
35e6f8c1 3282static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 3283{
35e6f8c1 3284 return parse_option(o, "codec:d", arg, options);
6291d7e4
AK
3285}
3286
575ec4e1 3287static int opt_map(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 3288{
8d2e4a7e
AK
3289 StreamMap *m = NULL;
3290 int i, negative = 0, file_idx;
3291 int sync_file_idx = -1, sync_stream_idx;
3292 char *p, *sync;
3293 char *map;
6291d7e4 3294
8d2e4a7e
AK
3295 if (*arg == '-') {
3296 negative = 1;
3297 arg++;
3298 }
3299 map = av_strdup(arg);
6291d7e4 3300
8d2e4a7e
AK
3301 /* parse sync stream first, just pick first matching stream */
3302 if (sync = strchr(map, ',')) {
3303 *sync = 0;
3304 sync_file_idx = strtol(sync + 1, &sync, 0);
3305 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
f24facd3 3306 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
8d2e4a7e
AK
3307 exit_program(1);
3308 }
3309 if (*sync)
3310 sync++;
2e215267
AK
3311 for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
3312 if (check_stream_specifier(input_files[sync_file_idx]->ctx,
3313 input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
8d2e4a7e
AK
3314 sync_stream_idx = i;
3315 break;
3316 }
2e215267 3317 if (i == input_files[sync_file_idx]->nb_streams) {
f24facd3 3318 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
8d2e4a7e
AK
3319 "match any streams.\n", arg);
3320 exit_program(1);
3321 }
3322 }
6291d7e4 3323
8d2e4a7e 3324
3b266da3
AK
3325 if (map[0] == '[') {
3326 /* this mapping refers to lavfi output */
3327 const char *c = map + 1;
3328 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3329 &o->nb_stream_maps, o->nb_stream_maps + 1);
3330 m = &o->stream_maps[o->nb_stream_maps - 1];
3331 m->linklabel = av_get_token(&c, "]");
3332 if (!m->linklabel) {
3333 av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
3334 exit_program(1);
3335 }
3336 } else {
3e901cbc
AK
3337 file_idx = strtol(map, &p, 0);
3338 if (file_idx >= nb_input_files || file_idx < 0) {
3339 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
3340 exit_program(1);
8d2e4a7e 3341 }
3e901cbc
AK
3342 if (negative)
3343 /* disable some already defined maps */
3344 for (i = 0; i < o->nb_stream_maps; i++) {
3345 m = &o->stream_maps[i];
3346 if (file_idx == m->file_index &&
3347 check_stream_specifier(input_files[m->file_index]->ctx,
3348 input_files[m->file_index]->ctx->streams[m->stream_index],
3349 *p == ':' ? p + 1 : p) > 0)
3350 m->disabled = 1;
3351 }
3352 else
3353 for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
3354 if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
3355 *p == ':' ? p + 1 : p) <= 0)
3356 continue;
3357 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3358 &o->nb_stream_maps, o->nb_stream_maps + 1);
3359 m = &o->stream_maps[o->nb_stream_maps - 1];
3360
3361 m->file_index = file_idx;
3362 m->stream_index = i;
3363
3364 if (sync_file_idx >= 0) {
3365 m->sync_file_index = sync_file_idx;
3366 m->sync_stream_index = sync_stream_idx;
3367 } else {
3368 m->sync_file_index = file_idx;
3369 m->sync_stream_index = i;
3370 }
8d2e4a7e 3371 }
3b266da3 3372 }
8d2e4a7e
AK
3373
3374 if (!m) {
f24facd3 3375 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
8d2e4a7e
AK
3376 exit_program(1);
3377 }
3378
3379 av_freep(&map);
6291d7e4
AK
3380 return 0;
3381}
3382
4dbc6cee
AK
3383static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3384{
3385 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3386 &o->nb_attachments, o->nb_attachments + 1);
3387 o->attachments[o->nb_attachments - 1] = arg;
3388 return 0;
3389}
3390
a7b5e841
AK
3391/**
3392 * Parse a metadata specifier in arg.
3393 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3394 * @param index for type c/p, chapter/program index is written here
3395 * @param stream_spec for type s, the stream specifier is written here
3396 */
3397static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
6291d7e4 3398{
039267f1 3399 if (*arg) {
a2a38d96 3400 *type = *arg;
6291d7e4
AK
3401 switch (*arg) {
3402 case 'g':
3403 break;
3404 case 's':
a7b5e841
AK
3405 if (*(++arg) && *arg != ':') {
3406 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3407 exit_program(1);
3408 }
3409 *stream_spec = *arg == ':' ? arg + 1 : "";
3410 break;
6291d7e4
AK
3411 case 'c':
3412 case 'p':
e6e6060c
AK
3413 if (*(++arg) == ':')
3414 *index = strtol(++arg, NULL, 0);
6291d7e4
AK
3415 break;
3416 default:
e3245b26 3417 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
6291d7e4
AK
3418 exit_program(1);
3419 }
3420 } else
3421 *type = 'g';
3422}
3423
a7b5e841 3424static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
6291d7e4 3425{
a7b5e841
AK
3426 AVDictionary **meta_in = NULL;
3427 AVDictionary **meta_out;
3428 int i, ret = 0;
3429 char type_in, type_out;
3430 const char *istream_spec = NULL, *ostream_spec = NULL;
3431 int idx_in = 0, idx_out = 0;
6291d7e4 3432
a7b5e841
AK
3433 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3434 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
6291d7e4 3435
a7b5e841 3436 if (type_in == 'g' || type_out == 'g')
847529f8 3437 o->metadata_global_manual = 1;
a7b5e841 3438 if (type_in == 's' || type_out == 's')
847529f8 3439 o->metadata_streams_manual = 1;
a7b5e841 3440 if (type_in == 'c' || type_out == 'c')
847529f8 3441 o->metadata_chapters_manual = 1;
6291d7e4 3442
a7b5e841
AK
3443#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3444 if ((index) < 0 || (index) >= (nb_elems)) {\
3445 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3446 (desc), (index));\
3447 exit_program(1);\
3448 }
3449
3450#define SET_DICT(type, meta, context, index)\
3451 switch (type) {\
3452 case 'g':\
3453 meta = &context->metadata;\
3454 break;\
3455 case 'c':\
3456 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3457 meta = &context->chapters[index]->metadata;\
3458 break;\
3459 case 'p':\
3460 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3461 meta = &context->programs[index]->metadata;\
3462 break;\
3463 }\
3464
3465 SET_DICT(type_in, meta_in, ic, idx_in);
3466 SET_DICT(type_out, meta_out, oc, idx_out);
3467
3468 /* for input streams choose first matching stream */
3469 if (type_in == 's') {
3470 for (i = 0; i < ic->nb_streams; i++) {
3471 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3472 meta_in = &ic->streams[i]->metadata;
3473 break;
3474 } else if (ret < 0)
3475 exit_program(1);
3476 }
3477 if (!meta_in) {
3478 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3479 exit_program(1);
3480 }
3481 }
3482
3483 if (type_out == 's') {
3484 for (i = 0; i < oc->nb_streams; i++) {
3485 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3486 meta_out = &oc->streams[i]-