avfiltergraph: make some functions static.
[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
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143#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
144
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145typedef struct InputFilter {
146 AVFilterContext *filter;
147 struct InputStream *ist;
148 struct FilterGraph *graph;
cf6c38c6 149 uint8_t *name;
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150} InputFilter;
151
152typedef struct OutputFilter {
153 AVFilterContext *filter;
154 struct OutputStream *ost;
155 struct FilterGraph *graph;
cf6c38c6 156 uint8_t *name;
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157
158 /* temporary storage until stream maps are processed */
159 AVFilterInOut *out_tmp;
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160} OutputFilter;
161
162typedef struct FilterGraph {
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163 int index;
164 const char *graph_desc;
165
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166 AVFilterGraph *graph;
167
168 InputFilter **inputs;
169 int nb_inputs;
170 OutputFilter **outputs;
171 int nb_outputs;
172} FilterGraph;
173
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174typedef struct FrameBuffer {
175 uint8_t *base[4];
176 uint8_t *data[4];
177 int linesize[4];
178
179 int h, w;
180 enum PixelFormat pix_fmt;
181
182 int refcount;
183 struct InputStream *ist;
184 struct FrameBuffer *next;
185} FrameBuffer;
186
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187typedef struct InputStream {
188 int file_index;
189 AVStream *st;
190 int discard; /* true if stream data should be discarded */
191 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
192 AVCodec *dec;
9179f27c 193 AVFrame *decoded_frame;
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194
195 int64_t start; /* time when read started */
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196 /* predicted dts of the next packet read for this stream or (when there are
197 * several frames in a packet) of the next frame in current packet */
198 int64_t next_dts;
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199 /* dts of the last packet read for this stream */
200 int64_t last_dts;
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201 PtsCorrectionContext pts_ctx;
202 double ts_scale;
203 int is_start; /* is 1 at the start and after a discontinuity */
204 int showed_multi_packet_warning;
205 AVDictionary *opts;
c9cc7629 206 AVRational framerate; /* framerate forced with -r */
64dca32c 207
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208 int resample_height;
209 int resample_width;
210 int resample_pix_fmt;
211
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212 int resample_sample_fmt;
213 int resample_sample_rate;
214 int resample_channels;
215 uint64_t resample_channel_layout;
216
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217 /* a pool of free buffers for decoded data */
218 FrameBuffer *buffer_pool;
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219
220 /* decoded data from this stream goes into all those filters
0ad26cdf 221 * currently video and audio only */
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222 InputFilter **filters;
223 int nb_filters;
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224} InputStream;
225
226typedef struct InputFile {
227 AVFormatContext *ctx;
228 int eof_reached; /* true if eof reached */
229 int ist_index; /* index of first stream in ist_table */
230 int buffer_size; /* current total buffer size */
231 int64_t ts_offset;
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232 int nb_streams; /* number of stream that avconv is aware of; may be different
233 from ctx.nb_streams if new streams appear during av_read_frame() */
f4805328 234 int rate_emu;
6494c001 235} InputFile;
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236
237typedef struct OutputStream {
238 int file_index; /* file index */
239 int index; /* stream index in the output file */
240 int source_index; /* InputStream index */
241 AVStream *st; /* stream in the output file */
242 int encoding_needed; /* true if encoding needed for this stream */
243 int frame_number;
244 /* input pts and corresponding output pts
245 for A/V sync */
7636c8c6 246 // double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
6291d7e4 247 struct InputStream *sync_ist; /* input stream to sync against */
7636c8c6 248 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
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249 /* pts of the first frame encoded for this stream, used for limiting
250 * recording time */
251 int64_t first_pts;
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252 AVBitStreamFilterContext *bitstream_filters;
253 AVCodec *enc;
96139b5e 254 int64_t max_frames;
836ce905 255 AVFrame *filtered_frame;
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256
257 /* video only */
6291d7e4 258 AVRational frame_rate;
bef737a7 259 int force_fps;
828e0bcb 260 int top_field_first;
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261
262 float frame_aspect_ratio;
560f7774 263 float last_quality;
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264
265 /* forced key frames */
266 int64_t *forced_kf_pts;
267 int forced_kf_count;
268 int forced_kf_index;
269
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270 FILE *logfile;
271
560f7774 272 OutputFilter *filter;
6291d7e4 273 char *avfilter;
6291d7e4 274
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275 int64_t sws_flags;
276 AVDictionary *opts;
277 int is_past_recording_time;
278 int stream_copy;
279 const char *attachment_filename;
280 int copy_initial_nonkeyframes;
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281
282 enum PixelFormat pix_fmts[2];
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283} OutputStream;
284
6291d7e4 285
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286typedef struct OutputFile {
287 AVFormatContext *ctx;
288 AVDictionary *opts;
4288e031 289 int ost_index; /* index of the first stream in output_streams */
ef44a607 290 int64_t recording_time; /* desired length of the resulting file in microseconds */
ea065176 291 int64_t start_time; /* start time in microseconds */
f21f294e 292 uint64_t limit_filesize;
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293} OutputFile;
294
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295static InputStream **input_streams = NULL;
296static int nb_input_streams = 0;
297static InputFile **input_files = NULL;
298static int nb_input_files = 0;
6291d7e4 299
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300static OutputStream **output_streams = NULL;
301static int nb_output_streams = 0;
302static OutputFile **output_files = NULL;
303static int nb_output_files = 0;
af70aa45 304
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305static FilterGraph **filtergraphs;
306int nb_filtergraphs;
307
575ec4e1 308typedef struct OptionsContext {
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309 /* input/output options */
310 int64_t start_time;
7041bb3b 311 const char *format;
6b779ccc 312
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313 SpecifierOpt *codec_names;
314 int nb_codec_names;
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315 SpecifierOpt *audio_channels;
316 int nb_audio_channels;
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317 SpecifierOpt *audio_sample_rate;
318 int nb_audio_sample_rate;
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319 SpecifierOpt *frame_rates;
320 int nb_frame_rates;
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321 SpecifierOpt *frame_sizes;
322 int nb_frame_sizes;
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323 SpecifierOpt *frame_pix_fmts;
324 int nb_frame_pix_fmts;
35e6f8c1 325
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326 /* input options */
327 int64_t input_ts_offset;
f4805328 328 int rate_emu;
6b779ccc 329
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330 SpecifierOpt *ts_scale;
331 int nb_ts_scale;
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332 SpecifierOpt *dump_attachment;
333 int nb_dump_attachment;
33f75d72 334
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335 /* output options */
336 StreamMap *stream_maps;
337 int nb_stream_maps;
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338 /* first item specifies output metadata, second is input */
339 MetadataMap (*meta_data_maps)[2];
340 int nb_meta_data_maps;
341 int metadata_global_manual;
342 int metadata_streams_manual;
343 int metadata_chapters_manual;
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344 const char **attachments;
345 int nb_attachments;
6b779ccc 346
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347 int chapters_input_file;
348
6b779ccc 349 int64_t recording_time;
13ccba50 350 uint64_t limit_filesize;
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351 float mux_preload;
352 float mux_max_delay;
039267f1 353
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354 int video_disable;
355 int audio_disable;
356 int subtitle_disable;
357 int data_disable;
358
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359 /* indexed by output file stream index */
360 int *streamid_map;
361 int nb_streamid_map;
362
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363 SpecifierOpt *metadata;
364 int nb_metadata;
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365 SpecifierOpt *max_frames;
366 int nb_max_frames;
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367 SpecifierOpt *bitstream_filters;
368 int nb_bitstream_filters;
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369 SpecifierOpt *codec_tags;
370 int nb_codec_tags;
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371 SpecifierOpt *sample_fmts;
372 int nb_sample_fmts;
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373 SpecifierOpt *qscale;
374 int nb_qscale;
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375 SpecifierOpt *forced_key_frames;
376 int nb_forced_key_frames;
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377 SpecifierOpt *force_fps;
378 int nb_force_fps;
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379 SpecifierOpt *frame_aspect_ratios;
380 int nb_frame_aspect_ratios;
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381 SpecifierOpt *rc_overrides;
382 int nb_rc_overrides;
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383 SpecifierOpt *intra_matrices;
384 int nb_intra_matrices;
385 SpecifierOpt *inter_matrices;
386 int nb_inter_matrices;
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387 SpecifierOpt *top_field_first;
388 int nb_top_field_first;
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389 SpecifierOpt *metadata_map;
390 int nb_metadata_map;
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391 SpecifierOpt *presets;
392 int nb_presets;
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393 SpecifierOpt *copy_initial_nonkeyframes;
394 int nb_copy_initial_nonkeyframes;
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395 SpecifierOpt *filters;
396 int nb_filters;
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397} OptionsContext;
398
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399#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
400{\
401 int i, ret;\
402 for (i = 0; i < o->nb_ ## name; i++) {\
403 char *spec = o->name[i].specifier;\
404 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
405 outvar = o->name[i].u.type;\
406 else if (ret < 0)\
407 exit_program(1);\
408 }\
409}
410
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411static void reset_options(OptionsContext *o)
412{
413 const OptionDef *po = options;
3b266da3 414 int i;
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415
416 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
417 while (po->name) {
418 void *dst = (uint8_t*)o + po->u.off;
419
420 if (po->flags & OPT_SPEC) {
421 SpecifierOpt **so = dst;
422 int i, *count = (int*)(so + 1);
423 for (i = 0; i < *count; i++) {
424 av_freep(&(*so)[i].specifier);
425 if (po->flags & OPT_STRING)
426 av_freep(&(*so)[i].u.str);
427 }
428 av_freep(so);
429 *count = 0;
430 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
431 av_freep(dst);
432 po++;
433 }
434
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435 for (i = 0; i < o->nb_stream_maps; i++)
436 av_freep(&o->stream_maps[i].linklabel);
575ec4e1 437 av_freep(&o->stream_maps);
847529f8 438 av_freep(&o->meta_data_maps);
495ecfd1 439 av_freep(&o->streamid_map);
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440
441 memset(o, 0, sizeof(*o));
6b779ccc 442
dc26318c 443 o->mux_max_delay = 0.7;
6b779ccc 444 o->recording_time = INT64_MAX;
13ccba50 445 o->limit_filesize = UINT64_MAX;
c5bb372e 446 o->chapters_input_file = INT_MAX;
6b779ccc 447
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448 uninit_opts();
449 init_opts();
450}
451
bc1ef855 452static int alloc_buffer(InputStream *ist, AVCodecContext *s, FrameBuffer **pbuf)
64dca32c 453{
64dca32c 454 FrameBuffer *buf = av_mallocz(sizeof(*buf));
3715d841 455 int i, ret;
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456 const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
457 int h_chroma_shift, v_chroma_shift;
458 int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
459 int w = s->width, h = s->height;
460
461 if (!buf)
462 return AVERROR(ENOMEM);
463
464 if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
465 w += 2*edge;
466 h += 2*edge;
467 }
468
469 avcodec_align_dimensions(s, &w, &h);
470 if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
471 s->pix_fmt, 32)) < 0) {
472 av_freep(&buf);
473 return ret;
474 }
475 /* XXX this shouldn't be needed, but some tests break without this line
476 * those decoders are buggy and need to be fixed.
477 * the following tests fail:
f320fb89 478 * cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
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479 */
480 memset(buf->base[0], 128, ret);
481
482 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
3715d841 483 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
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484 const int h_shift = i==0 ? 0 : h_chroma_shift;
485 const int v_shift = i==0 ? 0 : v_chroma_shift;
486 if (s->flags & CODEC_FLAG_EMU_EDGE)
487 buf->data[i] = buf->base[i];
488 else
489 buf->data[i] = buf->base[i] +
490 FFALIGN((buf->linesize[i]*edge >> v_shift) +
491 (pixel_size*edge >> h_shift), 32);
492 }
493 buf->w = s->width;
494 buf->h = s->height;
495 buf->pix_fmt = s->pix_fmt;
496 buf->ist = ist;
497
498 *pbuf = buf;
499 return 0;
500}
501
502static void free_buffer_pool(InputStream *ist)
503{
504 FrameBuffer *buf = ist->buffer_pool;
505 while (buf) {
506 ist->buffer_pool = buf->next;
507 av_freep(&buf->base[0]);
508 av_free(buf);
509 buf = ist->buffer_pool;
510 }
511}
512
513static void unref_buffer(InputStream *ist, FrameBuffer *buf)
514{
515 av_assert0(buf->refcount);
516 buf->refcount--;
517 if (!buf->refcount) {
518 buf->next = ist->buffer_pool;
519 ist->buffer_pool = buf;
520 }
521}
522
523static int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
524{
525 InputStream *ist = s->opaque;
526 FrameBuffer *buf;
527 int ret, i;
528
bc1ef855 529 if (!ist->buffer_pool && (ret = alloc_buffer(ist, s, &ist->buffer_pool)) < 0)
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530 return ret;
531
532 buf = ist->buffer_pool;
533 ist->buffer_pool = buf->next;
534 buf->next = NULL;
535 if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
536 av_freep(&buf->base[0]);
537 av_free(buf);
bc1ef855 538 if ((ret = alloc_buffer(ist, s, &buf)) < 0)
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539 return ret;
540 }
541 buf->refcount++;
542
543 frame->opaque = buf;
544 frame->type = FF_BUFFER_TYPE_USER;
545 frame->extended_data = frame->data;
546 frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
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547 frame->width = buf->w;
548 frame->height = buf->h;
549 frame->format = buf->pix_fmt;
550 frame->sample_aspect_ratio = s->sample_aspect_ratio;
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551
552 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
553 frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
554 frame->data[i] = buf->data[i];
555 frame->linesize[i] = buf->linesize[i];
556 }
557
558 return 0;
559}
560
561static void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
562{
563 InputStream *ist = s->opaque;
564 FrameBuffer *buf = frame->opaque;
565 int i;
566
567 for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
568 frame->data[i] = NULL;
569
570 unref_buffer(ist, buf);
571}
572
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573static void filter_release_buffer(AVFilterBuffer *fb)
574{
575 FrameBuffer *buf = fb->priv;
576 av_free(fb);
577 unref_buffer(buf->ist, buf);
578}
579
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580/**
581 * Define a function for building a string containing a list of
582 * allowed formats,
583 */
584#define DEF_CHOOSE_FORMAT(type, var, supported_list, none, get_name, separator) \
585static char *choose_ ## var ## s(OutputStream *ost) \
586{ \
587 if (ost->st->codec->var != none) { \
588 get_name(ost->st->codec->var); \
589 return av_strdup(name); \
590 } else if (ost->enc->supported_list) { \
591 const type *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->supported_list; *p != none; p++) { \
600 get_name(*p); \
601 avio_printf(s, "%s" separator, name); \
602 } \
603 len = avio_close_dyn_buf(s, &ret); \
604 ret[len - 1] = 0; \
605 return ret; \
606 } else \
607 return NULL; \
608}
609
610#define GET_PIX_FMT_NAME(pix_fmt)\
611 const char *name = av_get_pix_fmt_name(pix_fmt);
612
613DEF_CHOOSE_FORMAT(enum PixelFormat, pix_fmt, pix_fmts, PIX_FMT_NONE,
614 GET_PIX_FMT_NAME, ":")
615
616#define GET_SAMPLE_FMT_NAME(sample_fmt)\
617 const char *name = av_get_sample_fmt_name(sample_fmt)
618
619DEF_CHOOSE_FORMAT(enum AVSampleFormat, sample_fmt, sample_fmts,
620 AV_SAMPLE_FMT_NONE, GET_SAMPLE_FMT_NAME, ",")
621
622#define GET_SAMPLE_RATE_NAME(rate)\
623 char name[16];\
624 snprintf(name, sizeof(name), "%d", rate);
625
626DEF_CHOOSE_FORMAT(int, sample_rate, supported_samplerates, 0,
627 GET_SAMPLE_RATE_NAME, ",")
628
629#define GET_CH_LAYOUT_NAME(ch_layout)\
630 char name[16];\
631 snprintf(name, sizeof(name), "0x%"PRIx64, ch_layout);
632
633DEF_CHOOSE_FORMAT(uint64_t, channel_layout, channel_layouts, 0,
634 GET_CH_LAYOUT_NAME, ",")
635
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636static FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost)
637{
638 FilterGraph *fg = av_mallocz(sizeof(*fg));
639
640 if (!fg)
641 exit_program(1);
3b266da3 642 fg->index = nb_filtergraphs;
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643
644 fg->outputs = grow_array(fg->outputs, sizeof(*fg->outputs), &fg->nb_outputs,
645 fg->nb_outputs + 1);
646 if (!(fg->outputs[0] = av_mallocz(sizeof(*fg->outputs[0]))))
647 exit_program(1);
648 fg->outputs[0]->ost = ost;
649 fg->outputs[0]->graph = fg;
650
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651 ost->filter = fg->outputs[0];
652
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653 fg->inputs = grow_array(fg->inputs, sizeof(*fg->inputs), &fg->nb_inputs,
654 fg->nb_inputs + 1);
655 if (!(fg->inputs[0] = av_mallocz(sizeof(*fg->inputs[0]))))
656 exit_program(1);
657 fg->inputs[0]->ist = ist;
658 fg->inputs[0]->graph = fg;
659
660 ist->filters = grow_array(ist->filters, sizeof(*ist->filters),
661 &ist->nb_filters, ist->nb_filters + 1);
662 ist->filters[ist->nb_filters - 1] = fg->inputs[0];
663
664 filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs),
665 &nb_filtergraphs, nb_filtergraphs + 1);
666 filtergraphs[nb_filtergraphs - 1] = fg;
667
668 return fg;
669}
670
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671static void init_input_filter(FilterGraph *fg, AVFilterInOut *in)
672{
673 InputStream *ist;
674 enum AVMediaType type = in->filter_ctx->input_pads[in->pad_idx].type;
675 int i;
676
677 // TODO: support other filter types
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678 if (type != AVMEDIA_TYPE_VIDEO && type != AVMEDIA_TYPE_AUDIO) {
679 av_log(NULL, AV_LOG_FATAL, "Only video and audio filters supported "
680 "currently.\n");
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681 exit_program(1);
682 }
683
684 if (in->name) {
685 AVFormatContext *s;
686 AVStream *st = NULL;
687 char *p;
688 int file_idx = strtol(in->name, &p, 0);
689
1381081c 690 if (file_idx < 0 || file_idx >= nb_input_files) {
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691 av_log(NULL, AV_LOG_FATAL, "Invalid file index %d in filtegraph description %s.\n",
692 file_idx, fg->graph_desc);
693 exit_program(1);
694 }
695 s = input_files[file_idx]->ctx;
696
697 for (i = 0; i < s->nb_streams; i++) {
698 if (s->streams[i]->codec->codec_type != type)
699 continue;
700 if (check_stream_specifier(s, s->streams[i], *p == ':' ? p + 1 : p) == 1) {
701 st = s->streams[i];
702 break;
703 }
704 }
705 if (!st) {
706 av_log(NULL, AV_LOG_FATAL, "Stream specifier '%s' in filtergraph description %s "
707 "matches no streams.\n", p, fg->graph_desc);
708 exit_program(1);
709 }
710 ist = input_streams[input_files[file_idx]->ist_index + st->index];
711 } else {
712 /* find the first unused stream of corresponding type */
713 for (i = 0; i < nb_input_streams; i++) {
714 ist = input_streams[i];
715 if (ist->st->codec->codec_type == type && ist->discard)
716 break;
717 }
718 if (i == nb_input_streams) {
719 av_log(NULL, AV_LOG_FATAL, "Cannot find a matching stream for "
720 "unlabeled input pad %d on filter %s", in->pad_idx,
721 in->filter_ctx->name);
722 exit_program(1);
723 }
724 }
725 ist->discard = 0;
726 ist->decoding_needed = 1;
727 ist->st->discard = AVDISCARD_NONE;
728
729 fg->inputs = grow_array(fg->inputs, sizeof(*fg->inputs),
730 &fg->nb_inputs, fg->nb_inputs + 1);
731 if (!(fg->inputs[fg->nb_inputs - 1] = av_mallocz(sizeof(*fg->inputs[0]))))
732 exit_program(1);
733 fg->inputs[fg->nb_inputs - 1]->ist = ist;
734 fg->inputs[fg->nb_inputs - 1]->graph = fg;
735
736 ist->filters = grow_array(ist->filters, sizeof(*ist->filters),
737 &ist->nb_filters, ist->nb_filters + 1);
738 ist->filters[ist->nb_filters - 1] = fg->inputs[fg->nb_inputs - 1];
739}
740
0ad26cdf 741static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
3b266da3 742{
ac712309 743 char *pix_fmts;
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744 OutputStream *ost = ofilter->ost;
745 AVCodecContext *codec = ost->st->codec;
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746 AVFilterContext *last_filter = out->filter_ctx;
747 int pad_idx = out->pad_idx;
748 int ret;
749
3b266da3 750
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751 ret = avfilter_graph_create_filter(&ofilter->filter,
752 avfilter_get_by_name("buffersink"),
753 "out", NULL, pix_fmts, fg->graph);
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754 if (ret < 0)
755 return ret;
756
757 if (codec->width || codec->height) {
758 char args[255];
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759 AVFilterContext *filter;
760
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761 snprintf(args, sizeof(args), "%d:%d:flags=0x%X",
762 codec->width,
763 codec->height,
8daf21d5 764 (unsigned)ost->sws_flags);
ac712309 765 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
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766 NULL, args, NULL, fg->graph)) < 0)
767 return ret;
ac712309 768 if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0)
3b266da3 769 return ret;
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770
771 last_filter = filter;
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772 pad_idx = 0;
773 }
774
8daf21d5 775 if ((pix_fmts = choose_pix_fmts(ost))) {
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776 AVFilterContext *filter;
777 if ((ret = avfilter_graph_create_filter(&filter,
778 avfilter_get_by_name("format"),
779 "format", pix_fmts, NULL,
780 fg->graph)) < 0)
781 return ret;
782 if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0)
783 return ret;
784
785 last_filter = filter;
786 pad_idx = 0;
787 av_freep(&pix_fmts);
788 }
789
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790 if (ost->frame_rate.num) {
791 AVFilterContext *fps;
792 char args[255];
793
794 snprintf(args, sizeof(args), "fps=%d/%d", ost->frame_rate.num,
795 ost->frame_rate.den);
796 ret = avfilter_graph_create_filter(&fps, avfilter_get_by_name("fps"),
797 "fps", args, NULL, fg->graph);
798 if (ret < 0)
799 return ret;
800
801 ret = avfilter_link(last_filter, pad_idx, fps, 0);
802 if (ret < 0)
803 return ret;
804 last_filter = fps;
805 pad_idx = 0;
806 }
807
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808 if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0)
809 return ret;
810
811 return 0;
812}
813
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814static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
815{
816 OutputStream *ost = ofilter->ost;
817 AVCodecContext *codec = ost->st->codec;
818 AVFilterContext *last_filter = out->filter_ctx;
819 int pad_idx = out->pad_idx;
820 char *sample_fmts, *sample_rates, *channel_layouts;
821 int ret;
822
823 ret = avfilter_graph_create_filter(&ofilter->filter,
824 avfilter_get_by_name("abuffersink"),
825 "out", NULL, NULL, fg->graph);
826 if (ret < 0)
827 return ret;
828
829 if (codec->channels && !codec->channel_layout)
830 codec->channel_layout = av_get_default_channel_layout(codec->channels);
831
832 sample_fmts = choose_sample_fmts(ost);
833 sample_rates = choose_sample_rates(ost);
834 channel_layouts = choose_channel_layouts(ost);
835 if (sample_fmts || sample_rates || channel_layouts) {
836 AVFilterContext *format;
837 char args[256];
838 int len = 0;
839
840 if (sample_fmts)
841 len += snprintf(args + len, sizeof(args) - len, "sample_fmts=%s:",
842 sample_fmts);
843 if (sample_rates)
844 len += snprintf(args + len, sizeof(args) - len, "sample_rates=%s:",
845 sample_rates);
846 if (channel_layouts)
847 len += snprintf(args + len, sizeof(args) - len, "channel_layouts=%s:",
848 channel_layouts);
849 args[len - 1] = 0;
850
851 av_freep(&sample_fmts);
852 av_freep(&sample_rates);
853 av_freep(&channel_layouts);
854
855 ret = avfilter_graph_create_filter(&format,
856 avfilter_get_by_name("aformat"),
857 "aformat", args, NULL, fg->graph);
858 if (ret < 0)
859 return ret;
860
861 ret = avfilter_link(last_filter, pad_idx, format, 0);
862 if (ret < 0)
863 return ret;
864
865 last_filter = format;
866 pad_idx = 0;
867 }
868
869 if (audio_sync_method > 0) {
870 AVFilterContext *async;
871 char args[256];
872 int len = 0;
873
874 av_log(NULL, AV_LOG_WARNING, "-async has been deprecated. Used the "
875 "asyncts audio filter instead.\n");
876
877 if (audio_sync_method > 1)
878 len += snprintf(args + len, sizeof(args) - len, "compensate=1:"
879 "max_comp=%d:", audio_sync_method);
880 snprintf(args + len, sizeof(args) - len, "min_delta=%f",
881 audio_drift_threshold);
882
883 ret = avfilter_graph_create_filter(&async,
884 avfilter_get_by_name("asyncts"),
885 "async", args, NULL, fg->graph);
886 if (ret < 0)
887 return ret;
888
889 ret = avfilter_link(last_filter, pad_idx, async, 0);
890 if (ret < 0)
891 return ret;
892
893 last_filter = async;
894 pad_idx = 0;
895 }
896
897 if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0)
898 return ret;
899
900 return 0;
901}
902
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903#define DESCRIBE_FILTER_LINK(f, inout, in) \
904{ \
905 AVFilterContext *ctx = inout->filter_ctx; \
906 AVFilterPad *pads = in ? ctx->input_pads : ctx->output_pads; \
907 int nb_pads = in ? ctx->input_count : ctx->output_count; \
908 AVIOContext *pb; \
909 \
910 if (avio_open_dyn_buf(&pb) < 0) \
911 exit_program(1); \
912 \
913 avio_printf(pb, "%s", ctx->filter->name); \
914 if (nb_pads > 1) \
915 avio_printf(pb, ":%s", pads[inout->pad_idx].name); \
916 avio_w8(pb, 0); \
917 avio_close_dyn_buf(pb, &f->name); \
918}
919
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920static int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
921{
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922 av_freep(&ofilter->name);
923 DESCRIBE_FILTER_LINK(ofilter, out, 0);
924
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925 switch (out->filter_ctx->output_pads[out->pad_idx].type) {
926 case AVMEDIA_TYPE_VIDEO: return configure_output_video_filter(fg, ofilter, out);
927 case AVMEDIA_TYPE_AUDIO: return configure_output_audio_filter(fg, ofilter, out);
928 default: av_assert0(0);
929 }
930}
931
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932static int configure_input_video_filter(FilterGraph *fg, InputFilter *ifilter,
933 AVFilterInOut *in)
934{
c9cc7629 935 AVFilterContext *first_filter = in->filter_ctx;
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936 AVFilter *filter = avfilter_get_by_name("buffer");
937 InputStream *ist = ifilter->ist;
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938 AVRational tb = ist->framerate.num ? (AVRational){ist->framerate.den,
939 ist->framerate.num} :
940 ist->st->time_base;
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941 AVRational sar;
942 char args[255];
c9cc7629 943 int pad_idx = in->pad_idx;
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944 int ret;
945
946 sar = ist->st->sample_aspect_ratio.num ?
947 ist->st->sample_aspect_ratio :
948 ist->st->codec->sample_aspect_ratio;
949 snprintf(args, sizeof(args), "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
8daf21d5 950 ist->st->codec->height, ist->st->codec->pix_fmt,
c9cc7629 951 tb.num, tb.den, sar.num, sar.den);
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952
953 if ((ret = avfilter_graph_create_filter(&ifilter->filter, filter, in->name,
954 args, NULL, fg->graph)) < 0)
955 return ret;
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956
957 if (ist->framerate.num) {
958 AVFilterContext *setpts;
959
960 if ((ret = avfilter_graph_create_filter(&setpts,
961 avfilter_get_by_name("setpts"),
962 "setpts", "N", NULL,
963 fg->graph)) < 0)
964 return ret;
965
966 if ((ret = avfilter_link(setpts, 0, first_filter, pad_idx)) < 0)
967 return ret;
968
969 first_filter = setpts;
970 pad_idx = 0;
971 }
972
973 if ((ret = avfilter_link(ifilter->filter, 0, first_filter, pad_idx)) < 0)
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974 return ret;
975 return 0;
976}
977
978static int configure_input_audio_filter(FilterGraph *fg, InputFilter *ifilter,
979 AVFilterInOut *in)
980{
8daf21d5 981 AVFilterContext *first_filter = in->filter_ctx;
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982 AVFilter *filter = avfilter_get_by_name("abuffer");
983 InputStream *ist = ifilter->ist;
8daf21d5 984 int pad_idx = in->pad_idx;
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985 char args[255];
986 int ret;
987
988 snprintf(args, sizeof(args), "time_base=%d/%d:sample_rate=%d:sample_fmt=%s"
989 ":channel_layout=0x%"PRIx64,
990 ist->st->time_base.num, ist->st->time_base.den,
991 ist->st->codec->sample_rate,
992 av_get_sample_fmt_name(ist->st->codec->sample_fmt),
993 ist->st->codec->channel_layout);
994
995 if ((ret = avfilter_graph_create_filter(&ifilter->filter, filter,
996 in->name, args, NULL,
997 fg->graph)) < 0)
998 return ret;
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999
1000 if (audio_sync_method > 0) {
1001 AVFilterContext *async;
1002 char args[256];
1003 int len = 0;
1004
1005 av_log(NULL, AV_LOG_WARNING, "-async has been deprecated. Used the "
1006 "asyncts audio filter instead.\n");
1007
1008 if (audio_sync_method > 1)
1009 len += snprintf(args + len, sizeof(args) - len, "compensate=1:"
1010 "max_comp=%d:", audio_sync_method);
1011 snprintf(args + len, sizeof(args) - len, "min_delta=%f",
1012 audio_drift_threshold);
1013
1014 ret = avfilter_graph_create_filter(&async,
1015 avfilter_get_by_name("asyncts"),
1016 "async", args, NULL, fg->graph);
1017 if (ret < 0)
1018 return ret;
1019
1020 ret = avfilter_link(async, 0, first_filter, pad_idx);
1021 if (ret < 0)
1022 return ret;
1023
1024 first_filter = async;
1025 pad_idx = 0;
1026 }
1027 if ((ret = avfilter_link(ifilter->filter, 0, first_filter, pad_idx)) < 0)
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1028 return ret;
1029
1030 return 0;
1031}
1032
1033static int configure_input_filter(FilterGraph *fg, InputFilter *ifilter,
1034 AVFilterInOut *in)
1035{
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1036 av_freep(&ifilter->name);
1037 DESCRIBE_FILTER_LINK(ifilter, in, 1);
1038
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1039 switch (in->filter_ctx->input_pads[in->pad_idx].type) {
1040 case AVMEDIA_TYPE_VIDEO: return configure_input_video_filter(fg, ifilter, in);
1041 case AVMEDIA_TYPE_AUDIO: return configure_input_audio_filter(fg, ifilter, in);
1042 default: av_assert0(0);
1043 }
1044}
1045
8daf21d5 1046static int configure_filtergraph(FilterGraph *fg)
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1047{
1048 AVFilterInOut *inputs, *outputs, *cur;
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1049 int ret, i, init = !fg->graph, simple = !fg->graph_desc;
1050 const char *graph_desc = simple ? fg->outputs[0]->ost->avfilter :
1051 fg->graph_desc;
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1052
1053 avfilter_graph_free(&fg->graph);
1054 if (!(fg->graph = avfilter_graph_alloc()))
1055 return AVERROR(ENOMEM);
1056
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1057 if (simple) {
1058 OutputStream *ost = fg->outputs[0]->ost;
1059 char args[255];
1060 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
1061 fg->graph->scale_sws_opts = av_strdup(args);
1062 }
1063
1064 if ((ret = avfilter_graph_parse2(fg->graph, graph_desc, &inputs, &outputs)) < 0)
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1065 return ret;
1066
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1067 if (simple && (!inputs || inputs->next || !outputs || outputs->next)) {
1068 av_log(NULL, AV_LOG_ERROR, "Simple filtergraph '%s' does not have "
1069 "exactly one input and output.\n", graph_desc);
1070 return AVERROR(EINVAL);
1071 }
1072
1073 for (cur = inputs; !simple && init && cur; cur = cur->next)
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1074 init_input_filter(fg, cur);
1075
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1076 for (cur = inputs, i = 0; cur; cur = cur->next, i++)
1077 if ((ret = configure_input_filter(fg, fg->inputs[i], cur)) < 0)
3b266da3 1078 return ret;
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1079 avfilter_inout_free(&inputs);
1080
8daf21d5 1081 if (!init || simple) {
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1082 /* we already know the mappings between lavfi outputs and output streams,
1083 * so we can finish the setup */
1084 for (cur = outputs, i = 0; cur; cur = cur->next, i++)
1085 configure_output_filter(fg, fg->outputs[i], cur);
1086 avfilter_inout_free(&outputs);
1087
1088 if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0)
1089 return ret;
1090 } else {
1091 /* wait until output mappings are processed */
1092 for (cur = outputs; cur;) {
1093 fg->outputs = grow_array(fg->outputs, sizeof(*fg->outputs),
1094 &fg->nb_outputs, fg->nb_outputs + 1);
1095 if (!(fg->outputs[fg->nb_outputs - 1] = av_mallocz(sizeof(*fg->outputs[0]))))
1096 exit_program(1);
1097 fg->outputs[fg->nb_outputs - 1]->graph = fg;
1098 fg->outputs[fg->nb_outputs - 1]->out_tmp = cur;
1099 cur = cur->next;
1100 fg->outputs[fg->nb_outputs - 1]->out_tmp->next = NULL;
1101 }
1102 }
1103
1104 return 0;
1105}
1106
1107static int configure_complex_filters(void)
1108{
1109 int i, ret = 0;
1110
1111 for (i = 0; i < nb_filtergraphs; i++)
1112 if (!filtergraphs[i]->graph &&
8daf21d5 1113 (ret = configure_filtergraph(filtergraphs[i])) < 0)
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1114 return ret;
1115 return 0;
1116}
1117
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1118static int ist_in_filtergraph(FilterGraph *fg, InputStream *ist)
1119{
1120 int i;
1121 for (i = 0; i < fg->nb_inputs; i++)
1122 if (fg->inputs[i]->ist == ist)
1123 return 1;
1124 return 0;
1125}
1126
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1127static void term_exit(void)
1128{
1129 av_log(NULL, AV_LOG_QUIET, "");
1130}
1131
1132static volatile int received_sigterm = 0;
1133static volatile int received_nb_signals = 0;
1134
1135static void
1136sigterm_handler(int sig)
1137{
1138 received_sigterm = sig;
1139 received_nb_signals++;
1140 term_exit();
1141}
1142
1143static void term_init(void)
1144{
7636c8c6 1145 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
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1146 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
1147#ifdef SIGXCPU
1148 signal(SIGXCPU, sigterm_handler);
1149#endif
1150}
1151
2abe947a 1152static int decode_interrupt_cb(void *ctx)
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1153{
1154 return received_nb_signals > 1;
1155}
1156
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1157static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
1158
dad09ff9 1159void exit_program(int ret)
6291d7e4 1160{
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1161 int i, j;
1162
1163 for (i = 0; i < nb_filtergraphs; i++) {
1164 avfilter_graph_free(&filtergraphs[i]->graph);
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1165 for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
1166 av_freep(&filtergraphs[i]->inputs[j]->name);
560f7774 1167 av_freep(&filtergraphs[i]->inputs[j]);
cf6c38c6 1168 }
560f7774 1169 av_freep(&filtergraphs[i]->inputs);
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1170 for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
1171 av_freep(&filtergraphs[i]->outputs[j]->name);
560f7774 1172 av_freep(&filtergraphs[i]->outputs[j]);
cf6c38c6 1173 }
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1174 av_freep(&filtergraphs[i]->outputs);
1175 av_freep(&filtergraphs[i]);
1176 }
1177 av_freep(&filtergraphs);
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1178
1179 /* close files */
7636c8c6 1180 for (i = 0; i < nb_output_files; i++) {
2e215267 1181 AVFormatContext *s = output_files[i]->ctx;
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1182 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
1183 avio_close(s->pb);
1184 avformat_free_context(s);
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1185 av_dict_free(&output_files[i]->opts);
1186 av_freep(&output_files[i]);
6291d7e4 1187 }
1135a071 1188 for (i = 0; i < nb_output_streams; i++) {
2e215267 1189 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
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1190 while (bsfc) {
1191 AVBitStreamFilterContext *next = bsfc->next;
1192 av_bitstream_filter_close(bsfc);
1193 bsfc = next;
1194 }
2e215267 1195 output_streams[i]->bitstream_filters = NULL;
ac646076 1196
2e215267 1197 av_freep(&output_streams[i]->avfilter);
836ce905 1198 av_freep(&output_streams[i]->filtered_frame);
2e215267 1199 av_freep(&output_streams[i]);
1135a071 1200 }
7636c8c6 1201 for (i = 0; i < nb_input_files; i++) {
2e215267
AK
1202 avformat_close_input(&input_files[i]->ctx);
1203 av_freep(&input_files[i]);
6291d7e4 1204 }
9179f27c 1205 for (i = 0; i < nb_input_streams; i++) {
2e215267 1206 av_freep(&input_streams[i]->decoded_frame);
2e215267
AK
1207 av_dict_free(&input_streams[i]->opts);
1208 free_buffer_pool(input_streams[i]);
560f7774 1209 av_freep(&input_streams[i]->filters);
2e215267 1210 av_freep(&input_streams[i]);
9179f27c 1211 }
6291d7e4 1212
6291d7e4
AK
1213 if (vstats_file)
1214 fclose(vstats_file);
1215 av_free(vstats_filename);
1216
6291d7e4
AK
1217 av_freep(&input_streams);
1218 av_freep(&input_files);
4288e031 1219 av_freep(&output_streams);
af70aa45 1220 av_freep(&output_files);
6291d7e4 1221
6291d7e4 1222 uninit_opts();
6291d7e4 1223
6291d7e4 1224 avfilter_uninit();
776f2bb9 1225 avformat_network_deinit();
6291d7e4
AK
1226
1227 if (received_sigterm) {
e3245b26
AK
1228 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
1229 (int) received_sigterm);
6291d7e4
AK
1230 exit (255);
1231 }
1232
f75e3d25 1233 exit(ret);
6291d7e4
AK
1234}
1235
1236static void assert_avoptions(AVDictionary *m)
1237{
1238 AVDictionaryEntry *t;
1239 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
f24facd3 1240 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
6291d7e4
AK
1241 exit_program(1);
1242 }
1243}
1244
1245static void assert_codec_experimental(AVCodecContext *c, int encoder)
1246{
1247 const char *codec_string = encoder ? "encoder" : "decoder";
1248 AVCodec *codec;
1249 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
1250 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
f24facd3 1251 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
6291d7e4
AK
1252 "results.\nAdd '-strict experimental' if you want to use it.\n",
1253 codec_string, c->codec->name);
1254 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
1255 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
f24facd3 1256 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
6291d7e4
AK
1257 codec_string, codec->name);
1258 exit_program(1);
1259 }
1260}
1261
6291d7e4
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1262/**
1263 * Update the requested input sample format based on the output sample format.
1264 * This is currently only used to request float output from decoders which
1265 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
1266 * Ideally this will be removed in the future when decoders do not do format
1267 * conversion and only output in their native format.
1268 */
1269static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
1270 AVCodecContext *enc)
1271{
1272 /* if sample formats match or a decoder sample format has already been
1273 requested, just return */
1274 if (enc->sample_fmt == dec->sample_fmt ||
1275 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
1276 return;
1277
1278 /* if decoder supports more than one output format */
1279 if (dec_codec && dec_codec->sample_fmts &&
1280 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
1281 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
1282 const enum AVSampleFormat *p;
1283 int min_dec = -1, min_inc = -1;
1284
1285 /* find a matching sample format in the encoder */
1286 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
1287 if (*p == enc->sample_fmt) {
1288 dec->request_sample_fmt = *p;
1289 return;
1290 } else if (*p > enc->sample_fmt) {
1291 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
1292 } else
1293 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
1294 }
1295
1296 /* if none match, provide the one that matches quality closest */
1297 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
1298 enc->sample_fmt - min_dec;
1299 }
1300}
1301
f15f02c2 1302static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
7636c8c6 1303{
f15f02c2
AK
1304 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
1305 AVCodecContext *avctx = ost->st->codec;
6291d7e4
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1306 int ret;
1307
99932847
AK
1308 /*
1309 * Audio encoders may split the packets -- #frames in != #packets out.
1310 * But there is no reordering, so we can limit the number of output packets
1311 * by simply dropping them here.
1312 * Counting encoded video frames needs to be done separately because of
1313 * reordering, see do_video_out()
1314 */
1315 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
c9594fe0
JR
1316 if (ost->frame_number >= ost->max_frames) {
1317 av_free_packet(pkt);
99932847 1318 return;
c9594fe0 1319 }
99932847
AK
1320 ost->frame_number++;
1321 }
1322
7636c8c6
AD
1323 while (bsfc) {
1324 AVPacket new_pkt = *pkt;
1325 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
1326 &new_pkt.data, &new_pkt.size,
1327 pkt->data, pkt->size,
1328 pkt->flags & AV_PKT_FLAG_KEY);
1329 if (a > 0) {
6291d7e4 1330 av_free_packet(pkt);
7636c8c6
AD
1331 new_pkt.destruct = av_destruct_packet;
1332 } else if (a < 0) {
e3245b26
AK
1333 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
1334 bsfc->filter->name, pkt->stream_index,
1335 avctx->codec ? avctx->codec->name : "copy");
6291d7e4
AK
1336 print_error("", a);
1337 if (exit_on_error)
1338 exit_program(1);
1339 }
7636c8c6 1340 *pkt = new_pkt;
6291d7e4 1341
7636c8c6 1342 bsfc = bsfc->next;
6291d7e4
AK
1343 }
1344
61a09968 1345 pkt->stream_index = ost->index;
7636c8c6
AD
1346 ret = av_interleaved_write_frame(s, pkt);
1347 if (ret < 0) {
6291d7e4
AK
1348 print_error("av_interleaved_write_frame()", ret);
1349 exit_program(1);
1350 }
1351}
1352
1270e12e
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1353static int check_recording_time(OutputStream *ost)
1354{
2e215267 1355 OutputFile *of = output_files[ost->file_index];
1270e12e
AK
1356
1357 if (of->recording_time != INT64_MAX &&
1358 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
1359 AV_TIME_BASE_Q) >= 0) {
1360 ost->is_past_recording_time = 1;
1361 return 0;
1362 }
1363 return 1;
1364}
1365
369cb092
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1366static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1367 AVFrame *frame)
ee458cb1
JR
1368{
1369 AVCodecContext *enc = ost->st->codec;
ee458cb1 1370 AVPacket pkt;
369cb092 1371 int got_packet = 0;
ee458cb1
JR
1372
1373 av_init_packet(&pkt);
1374 pkt.data = NULL;
1375 pkt.size = 0;
1376
369cb092
AK
1377 if (!check_recording_time(ost))
1378 return;
1270e12e 1379
369cb092 1380 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
9b9fc9ba 1381 frame->pts = ost->sync_opts;
369cb092 1382 ost->sync_opts = frame->pts + frame->nb_samples;
ee458cb1 1383
ee458cb1
JR
1384 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
1385 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1386 exit_program(1);
1387 }
1388
1389 if (got_packet) {
ee458cb1
JR
1390 if (pkt.pts != AV_NOPTS_VALUE)
1391 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
a75bc764
JR
1392 if (pkt.dts != AV_NOPTS_VALUE)
1393 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
ee458cb1
JR
1394 if (pkt.duration > 0)
1395 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1396
1397 write_frame(s, &pkt, ost);
1398
1399 audio_size += pkt.size;
1400 }
6291d7e4
AK
1401}
1402
1403static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1404{
1405 AVCodecContext *dec;
1406 AVPicture *picture2;
1407 AVPicture picture_tmp;
1408 uint8_t *buf = 0;
1409
1410 dec = ist->st->codec;
1411
1412 /* deinterlace : must be done before any resize */
1413 if (do_deinterlace) {
1414 int size;
1415
1416 /* create temporary picture */
1417 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
7636c8c6 1418 buf = av_malloc(size);
6291d7e4
AK
1419 if (!buf)
1420 return;
1421
1422 picture2 = &picture_tmp;
1423 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1424
7636c8c6 1425 if (avpicture_deinterlace(picture2, picture,
6291d7e4
AK
1426 dec->pix_fmt, dec->width, dec->height) < 0) {
1427 /* if error, do not deinterlace */
e3245b26 1428 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
6291d7e4
AK
1429 av_free(buf);
1430 buf = NULL;
1431 picture2 = picture;
1432 }
1433 } else {
1434 picture2 = picture;
1435 }
1436
1437 if (picture != picture2)
1438 *picture = *picture2;
1439 *bufp = buf;
1440}
1441
6291d7e4
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1442static void do_subtitle_out(AVFormatContext *s,
1443 OutputStream *ost,
1444 InputStream *ist,
1445 AVSubtitle *sub,
1446 int64_t pts)
1447{
1448 static uint8_t *subtitle_out = NULL;
1449 int subtitle_out_max_size = 1024 * 1024;
1450 int subtitle_out_size, nb, i;
1451 AVCodecContext *enc;
1452 AVPacket pkt;
1453
1454 if (pts == AV_NOPTS_VALUE) {
e3245b26 1455 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
6291d7e4
AK
1456 if (exit_on_error)
1457 exit_program(1);
1458 return;
1459 }
1460
1461 enc = ost->st->codec;
1462
1463 if (!subtitle_out) {
1464 subtitle_out = av_malloc(subtitle_out_max_size);
1465 }
1466
1467 /* Note: DVB subtitle need one packet to draw them and one other
1468 packet to clear them */
1469 /* XXX: signal it in the codec context ? */
1470 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1471 nb = 2;
1472 else
1473 nb = 1;
1474
7636c8c6 1475 for (i = 0; i < nb; i++) {
1270e12e
AK
1476 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
1477 if (!check_recording_time(ost))
1478 return;
1479
6291d7e4
AK
1480 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1481 // start_display_time is required to be 0
7636c8c6
AD
1482 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1483 sub->end_display_time -= sub->start_display_time;
6291d7e4
AK
1484 sub->start_display_time = 0;
1485 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1486 subtitle_out_max_size, sub);
1487 if (subtitle_out_size < 0) {
e3245b26 1488 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
6291d7e4
AK
1489 exit_program(1);
1490 }
1491
1492 av_init_packet(&pkt);
6291d7e4
AK
1493 pkt.data = subtitle_out;
1494 pkt.size = subtitle_out_size;
7636c8c6 1495 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
6291d7e4
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1496 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1497 /* XXX: the pts correction is handled here. Maybe handling
1498 it in the codec would be better */
1499 if (i == 0)
1500 pkt.pts += 90 * sub->start_display_time;
1501 else
1502 pkt.pts += 90 * sub->end_display_time;
1503 }
f15f02c2 1504 write_frame(s, &pkt, ost);
6291d7e4
AK
1505 }
1506}
1507
87ef060c
AC
1508static void do_video_out(AVFormatContext *s,
1509 OutputStream *ost,
87ef060c
AC
1510 AVFrame *in_picture,
1511 int *frame_size, float quality)
1512{
74b961db
AK
1513 int ret, format_video_sync;
1514 AVPacket pkt;
1515 AVCodecContext *enc = ost->st->codec;
87ef060c
AC
1516
1517 *frame_size = 0;
1518
553735f5 1519 format_video_sync = video_sync_method;
e8c04f62
AK
1520 if (format_video_sync == VSYNC_AUTO)
1521 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
1522 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
74b961db
AK
1523 if (format_video_sync != VSYNC_PASSTHROUGH &&
1524 ost->frame_number &&
1525 in_picture->pts != AV_NOPTS_VALUE &&
1526 in_picture->pts < ost->sync_opts) {
d43040e2
AK
1527 nb_frames_drop++;
1528 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
87ef060c 1529 return;
d43040e2 1530 }
87ef060c 1531
74b961db
AK
1532 if (in_picture->pts == AV_NOPTS_VALUE)
1533 in_picture->pts = ost->sync_opts;
1534 ost->sync_opts = in_picture->pts;
1535
1536
1270e12e 1537 if (!ost->frame_number)
74b961db 1538 ost->first_pts = in_picture->pts;
1270e12e 1539
39885a4b
AK
1540 av_init_packet(&pkt);
1541 pkt.data = NULL;
1542 pkt.size = 0;
6291d7e4 1543
39885a4b
AK
1544 if (!check_recording_time(ost) ||
1545 ost->frame_number >= ost->max_frames)
1546 return;
1270e12e 1547
39885a4b
AK
1548 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1549 enc->codec->id == CODEC_ID_RAWVIDEO) {
1550 /* raw pictures are written as AVPicture structure to
1551 avoid any copies. We support temporarily the older
1552 method. */
1553 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1554 enc->coded_frame->top_field_first = in_picture->top_field_first;
1555 pkt.data = (uint8_t *)in_picture;
1556 pkt.size = sizeof(AVPicture);
1557 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
1558 pkt.flags |= AV_PKT_FLAG_KEY;
6291d7e4 1559
39885a4b
AK
1560 write_frame(s, &pkt, ost);
1561 } else {
1562 int got_packet;
1563 AVFrame big_picture;
1564
1565 big_picture = *in_picture;
1566 /* better than nothing: use input picture interlaced
1567 settings */
1568 big_picture.interlaced_frame = in_picture->interlaced_frame;
1569 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1570 if (ost->top_field_first == -1)
1571 big_picture.top_field_first = in_picture->top_field_first;
1572 else
1573 big_picture.top_field_first = !!ost->top_field_first;
1574 }
6291d7e4 1575
39885a4b
AK
1576 /* handles same_quant here. This is not correct because it may
1577 not be a global option */
1578 big_picture.quality = quality;
1579 if (!enc->me_threshold)
1580 big_picture.pict_type = 0;
1581 if (ost->forced_kf_index < ost->forced_kf_count &&
1582 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1583 big_picture.pict_type = AV_PICTURE_TYPE_I;
1584 ost->forced_kf_index++;
1585 }
1586 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
1587 if (ret < 0) {
1588 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1589 exit_program(1);
1590 }
6291d7e4 1591
39885a4b
AK
1592 if (got_packet) {
1593 if (pkt.pts != AV_NOPTS_VALUE)
1594 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1595 if (pkt.dts != AV_NOPTS_VALUE)
1596 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
6291d7e4 1597
39885a4b
AK
1598 write_frame(s, &pkt, ost);
1599 *frame_size = pkt.size;
1600 video_size += pkt.size;
324fbadf 1601
39885a4b
AK
1602 /* if two pass, output log */
1603 if (ost->logfile && enc->stats_out) {
1604 fprintf(ost->logfile, "%s", enc->stats_out);
6291d7e4
AK
1605 }
1606 }
39885a4b
AK
1607 }
1608 ost->sync_opts++;
1609 /*
1610 * For video, number of frames in == number of packets out.
1611 * But there may be reordering, so we can't throw away frames on encoder
1612 * flush, we need to limit them here, before they go into encoder.
1613 */
1614 ost->frame_number++;
6291d7e4
AK
1615}
1616
7636c8c6
AD
1617static double psnr(double d)
1618{
1619 return -10.0 * log(d) / log(10.0);
6291d7e4
AK
1620}
1621
1622static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1623 int frame_size)
1624{
1625 AVCodecContext *enc;
1626 int frame_number;
1627 double ti1, bitrate, avg_bitrate;
1628
1629 /* this is executed just the first time do_video_stats is called */
1630 if (!vstats_file) {
1631 vstats_file = fopen(vstats_filename, "w");
1632 if (!vstats_file) {
1633 perror("fopen");
1634 exit_program(1);
1635 }
1636 }
1637
1638 enc = ost->st->codec;
1639 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1640 frame_number = ost->frame_number;
7636c8c6 1641 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
6291d7e4 1642 if (enc->flags&CODEC_FLAG_PSNR)
7636c8c6 1643 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
6291d7e4
AK
1644
1645 fprintf(vstats_file,"f_size= %6d ", frame_size);
1646 /* compute pts value */
1647 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1648 if (ti1 < 0.01)
1649 ti1 = 0.01;
1650
7636c8c6 1651 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
6291d7e4
AK
1652 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1653 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
7636c8c6 1654 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
6291d7e4
AK
1655 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1656 }
1657}
1658
560f7774
AK
1659/* check for new output on any of the filtergraphs */
1660static int poll_filters(void)
1661{
1662 AVFilterBufferRef *picref;
1663 AVFrame *filtered_frame = NULL;
ac712309 1664 int i, frame_size;
560f7774
AK
1665
1666 for (i = 0; i < nb_output_streams; i++) {
1667 OutputStream *ost = output_streams[i];
1668 OutputFile *of = output_files[ost->file_index];
369cb092 1669 int ret = 0;
560f7774
AK
1670
1671 if (!ost->filter || ost->is_past_recording_time)
1672 continue;
1673
1674 if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
1675 return AVERROR(ENOMEM);
1676 } else
1677 avcodec_get_frame_defaults(ost->filtered_frame);
1678 filtered_frame = ost->filtered_frame;
1679
369cb092
AK
1680 while (ret >= 0) {
1681 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
1682 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
1683 ret = av_buffersink_read_samples(ost->filter->filter, &picref,
1684 ost->st->codec->frame_size);
1685 else
1686 ret = av_buffersink_read(ost->filter->filter, &picref);
1687
1688 if (ret < 0)
1689 break;
1690
ac712309 1691 avfilter_copy_buf_props(filtered_frame, picref);
74b961db 1692 if (picref->pts != AV_NOPTS_VALUE)
369cb092
AK
1693 filtered_frame->pts = av_rescale_q(picref->pts,
1694 ost->filter->filter->inputs[0]->time_base,
1695 ost->st->codec->time_base) -
1696 av_rescale_q(of->start_time,
1697 AV_TIME_BASE_Q,
1698 ost->st->codec->time_base);
560f7774 1699
01e98b1b
AK
1700 if (of->start_time && filtered_frame->pts < of->start_time) {
1701 avfilter_unref_buffer(picref);
1702 continue;
1703 }
560f7774
AK
1704
1705 switch (ost->filter->filter->inputs[0]->type) {
1706 case AVMEDIA_TYPE_VIDEO:
1707 if (!ost->frame_aspect_ratio)
1708 ost->st->codec->sample_aspect_ratio = picref->video->pixel_aspect;
1709
1710 do_video_out(of->ctx, ost, filtered_frame, &frame_size,
1711 same_quant ? ost->last_quality :
1712 ost->st->codec->global_quality);
1713 if (vstats_filename && frame_size)
1714 do_video_stats(of->ctx, ost, frame_size);
1715 break;
369cb092
AK
1716 case AVMEDIA_TYPE_AUDIO:
1717 do_audio_out(of->ctx, ost, filtered_frame);
1718 break;
560f7774 1719 default:
369cb092 1720 // TODO support subtitle filters
560f7774
AK
1721 av_assert0(0);
1722 }
1723
1724 avfilter_unref_buffer(picref);
1725 }
1726 }
1727 return 0;
1728}
1729
ea9367e9 1730static void print_report(int is_last_report, int64_t timer_start)
6291d7e4
AK
1731{
1732 char buf[1024];
1733 OutputStream *ost;
1734 AVFormatContext *oc;
1735 int64_t total_size;
1736 AVCodecContext *enc;
1737 int frame_number, vid, i;
1738 double bitrate, ti1, pts;
1739 static int64_t last_time = -1;
1740 static int qp_histogram[52];
1741
3460dd8a
AK
1742 if (!print_stats && !is_last_report)
1743 return;
1744
6291d7e4
AK
1745 if (!is_last_report) {
1746 int64_t cur_time;
1747 /* display the report every 0.5 seconds */
1748 cur_time = av_gettime();
1749 if (last_time == -1) {
1750 last_time = cur_time;
1751 return;
1752 }
1753 if ((cur_time - last_time) < 500000)
1754 return;
1755 last_time = cur_time;
1756 }
1757
1758
2e215267 1759 oc = output_files[0]->ctx;
6291d7e4
AK
1760
1761 total_size = avio_size(oc->pb);
7636c8c6
AD
1762 if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too
1763 total_size = avio_tell(oc->pb);
6291d7e4
AK
1764
1765 buf[0] = '\0';
1766 ti1 = 1e10;
1767 vid = 0;
ea9367e9 1768 for (i = 0; i < nb_output_streams; i++) {
6291d7e4 1769 float q = -1;
2e215267 1770 ost = output_streams[i];
6291d7e4 1771 enc = ost->st->codec;
3d813e4c 1772 if (!ost->stream_copy && enc->coded_frame)
7636c8c6 1773 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
6291d7e4
AK
1774 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1775 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1776 }
1777 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
7636c8c6 1778 float t = (av_gettime() - timer_start) / 1000000.0;
6291d7e4
AK
1779
1780 frame_number = ost->frame_number;
1781 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
7636c8c6
AD
1782 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
1783 if (is_last_report)
6291d7e4 1784 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
7636c8c6 1785 if (qp_hist) {
6291d7e4
AK
1786 int j;
1787 int qp = lrintf(q);
7636c8c6 1788 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
6291d7e4 1789 qp_histogram[qp]++;
7636c8c6
AD
1790 for (j = 0; j < 32; j++)
1791 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
6291d7e4 1792 }
7636c8c6 1793 if (enc->flags&CODEC_FLAG_PSNR) {
6291d7e4 1794 int j;
7636c8c6
AD
1795 double error, error_sum = 0;
1796 double scale, scale_sum = 0;
1797 char type[3] = { 'Y','U','V' };
6291d7e4 1798 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
7636c8c6
AD
1799 for (j = 0; j < 3; j++) {
1800 if (is_last_report) {
1801 error = enc->error[j];
1802 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1803 } else {
1804 error = enc->coded_frame->error[j];
1805 scale = enc->width * enc->height * 255.0 * 255.0;
6291d7e4 1806 }
7636c8c6
AD
1807 if (j)
1808 scale /= 4;
6291d7e4
AK
1809 error_sum += error;
1810 scale_sum += scale;
7636c8c6 1811 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
6291d7e4 1812 }
7636c8c6 1813 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
6291d7e4
AK
1814 }
1815 vid = 1;
1816 }
1817 /* compute min output value */
1818 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1819 if ((pts < ti1) && (pts > 0))
1820 ti1 = pts;
1821 }
1822 if (ti1 < 0.01)
1823 ti1 = 0.01;
1824
e3245b26 1825 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
6291d7e4 1826
e3245b26 1827 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
6291d7e4
AK
1828 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1829 (double)total_size / 1024, ti1, bitrate);
1830
e3245b26
AK
1831 if (nb_frames_dup || nb_frames_drop)
1832 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1833 nb_frames_dup, nb_frames_drop);
6291d7e4 1834
f5646a32 1835 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
6291d7e4 1836
e3245b26 1837 fflush(stderr);
6291d7e4 1838
e3245b26 1839 if (is_last_report) {
6291d7e4 1840 int64_t raw= audio_size + video_size + extra_size;
e3245b26
AK
1841 av_log(NULL, AV_LOG_INFO, "\n");
1842 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
7636c8c6
AD
1843 video_size / 1024.0,
1844 audio_size / 1024.0,
1845 extra_size / 1024.0,
1846 100.0 * (total_size - raw) / raw
6291d7e4
AK
1847 );
1848 }
1849}
1850
ea9367e9 1851static void flush_encoders(void)
4a4ce2e7
AK
1852{
1853 int i, ret;
1854
ea9367e9 1855 for (i = 0; i < nb_output_streams; i++) {
2e215267 1856 OutputStream *ost = output_streams[i];
6f1c66d5 1857 AVCodecContext *enc = ost->st->codec;
2e215267 1858 AVFormatContext *os = output_files[ost->file_index]->ctx;
ee458cb1 1859 int stop_encoding = 0;
6f1c66d5 1860
b62b5cb6 1861 if (!ost->encoding_needed)
6f1c66d5
AK
1862 continue;
1863
7636c8c6 1864 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
6f1c66d5 1865 continue;
150ddbc1 1866 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
6f1c66d5
AK
1867 continue;
1868
7636c8c6 1869 for (;;) {
369cb092
AK
1870 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1871 const char *desc;
1872 int64_t *size;
6f1c66d5
AK
1873
1874 switch (ost->st->codec->codec_type) {
1875 case AVMEDIA_TYPE_AUDIO:
369cb092
AK
1876 encode = avcodec_encode_audio2;
1877 desc = "Audio";
1878 size = &audio_size;
6f1c66d5
AK
1879 break;
1880 case AVMEDIA_TYPE_VIDEO:
369cb092
AK
1881 encode = avcodec_encode_video2;
1882 desc = "Video";
1883 size = &video_size;
1884 break;
1885 default:
1886 stop_encoding = 1;
1887 }
1888
1889 if (encode) {
1890 AVPacket pkt;
1891 int got_packet;
1892 av_init_packet(&pkt);
1893 pkt.data = NULL;
1894 pkt.size = 0;
1895
1896 ret = encode(enc, &pkt, NULL, &got_packet);
6f1c66d5 1897 if (ret < 0) {
369cb092 1898 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
6f1c66d5
AK
1899 exit_program(1);
1900 }
369cb092 1901 *size += ret;
6f1c66d5
AK
1902 if (ost->logfile && enc->stats_out) {
1903 fprintf(ost->logfile, "%s", enc->stats_out);
1904 }
8e37038a 1905 if (!got_packet) {
ee458cb1
JR
1906 stop_encoding = 1;
1907 break;
1908 }
8e37038a
AK
1909 if (pkt.pts != AV_NOPTS_VALUE)
1910 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1911 if (pkt.dts != AV_NOPTS_VALUE)
1912 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
ee458cb1 1913 write_frame(os, &pkt, ost);
4a4ce2e7 1914 }
369cb092 1915
ee458cb1 1916 if (stop_encoding)
6f1c66d5 1917 break;
4a4ce2e7
AK
1918 }
1919 }
1920}
1921
7204ec1a
AK
1922/*
1923 * Check whether a packet from ist should be written into ost at this time
1924 */
1925static int check_output_constraints(InputStream *ist, OutputStream *ost)
1926{
2e215267
AK
1927 OutputFile *of = output_files[ost->file_index];
1928 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
7204ec1a
AK
1929
1930 if (ost->source_index != ist_index)
1931 return 0;
1932
23576b3f 1933 if (of->start_time && ist->last_dts < of->start_time)
7204ec1a
AK
1934 return 0;
1935
7204ec1a
AK
1936 return 1;
1937}
1938
1939static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1940{
2e215267 1941 OutputFile *of = output_files[ost->file_index];
7204ec1a
AK
1942 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1943 AVPacket opkt;
1944
1945 av_init_packet(&opkt);
1946
1947 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1948 !ost->copy_initial_nonkeyframes)
1949 return;
1950
1270e12e 1951 if (of->recording_time != INT64_MAX &&
23576b3f 1952 ist->last_dts >= of->recording_time + of->start_time) {
1270e12e
AK
1953 ost->is_past_recording_time = 1;
1954 return;
1955 }
1956
7204ec1a
AK
1957 /* force the input stream PTS */
1958 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1959 audio_size += pkt->size;
1960 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1961 video_size += pkt->size;
1962 ost->sync_opts++;
1963 }
1964
7204ec1a
AK
1965 if (pkt->pts != AV_NOPTS_VALUE)
1966 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1967 else
1968 opkt.pts = AV_NOPTS_VALUE;
1969
1970 if (pkt->dts == AV_NOPTS_VALUE)
23576b3f 1971 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
7204ec1a
AK
1972 else
1973 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1974 opkt.dts -= ost_tb_start_time;
1975
1976 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1977 opkt.flags = pkt->flags;
1978
7636c8c6
AD
1979 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1980 if ( ost->st->codec->codec_id != CODEC_ID_H264
7204ec1a
AK
1981 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1982 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
ae5a9355 1983 && ost->st->codec->codec_id != CODEC_ID_VC1
7204ec1a
AK
1984 ) {
1985 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1986 opkt.destruct = av_destruct_packet;
1987 } else {
1988 opkt.data = pkt->data;
1989 opkt.size = pkt->size;
1990 }
1991
f15f02c2 1992 write_frame(of->ctx, &opkt, ost);
7204ec1a 1993 ost->st->codec->frame_number++;
7204ec1a
AK
1994 av_free_packet(&opkt);
1995}
1996
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1997static void rate_emu_sleep(InputStream *ist)
1998{
2e215267 1999 if (input_files[ist->file_index]->rate_emu) {
23576b3f 2000 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
2a651b71
AK
2001 int64_t now = av_gettime() - ist->start;
2002 if (pts > now)
2003 usleep(pts - now);
2004 }
2005}
2006
369cb092
AK
2007static int guess_input_channel_layout(InputStream *ist)
2008{
2009 AVCodecContext *dec = ist->st->codec;
2010
2011 if (!dec->channel_layout) {
2012 char layout_name[256];
2013
2014 dec->channel_layout = av_get_default_channel_layout(dec->channels);
2015 if (!dec->channel_layout)
2016 return 0;
2017 av_get_channel_layout_string(layout_name, sizeof(layout_name),
2018 dec->channels, dec->channel_layout);
2019 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
2020 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
2021 }
2022 return 1;
2023}
2024
0629f612 2025static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
ded28ba3 2026{
d1241ff3
JR
2027 AVFrame *decoded_frame;
2028 AVCodecContext *avctx = ist->st->codec;
ded28ba3 2029 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
369cb092 2030 int i, ret, resample_changed;
ded28ba3 2031
9179f27c 2032 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
d1241ff3 2033 return AVERROR(ENOMEM);
9179f27c
JR
2034 else
2035 avcodec_get_frame_defaults(ist->decoded_frame);
2036 decoded_frame = ist->decoded_frame;
ded28ba3 2037
d1241ff3
JR
2038 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
2039 if (ret < 0) {
ded28ba3 2040 return ret;
d1241ff3 2041 }
ded28ba3 2042
ded28ba3
AK
2043 if (!*got_output) {
2044 /* no audio frame */
369cb092
AK
2045 if (!pkt->size)
2046 for (i = 0; i < ist->nb_filters; i++)
2047 av_buffersrc_buffer(ist->filters[i]->filter, NULL);
af8ad892 2048 return ret;
ded28ba3
AK
2049 }
2050
d1241ff3
JR
2051 /* if the decoder provides a pts, use it instead of the last packet pts.
2052 the decoder could be delaying output by a packet or more. */
2053 if (decoded_frame->pts != AV_NOPTS_VALUE)
3101bb66 2054 ist->next_dts = decoded_frame->pts;
369cb092
AK
2055 else if (pkt->pts != AV_NOPTS_VALUE) {
2056 decoded_frame->pts = pkt->pts;
2057 pkt->pts = AV_NOPTS_VALUE;
2058 }
ded28ba3
AK
2059
2060 // preprocess audio (volume)
2061 if (audio_volume != 256) {
d1241ff3
JR
2062 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
2063 void *samples = decoded_frame->data[0];
2064 switch (avctx->sample_fmt) {
ded28ba3
AK
2065 case AV_SAMPLE_FMT_U8:
2066 {
2067 uint8_t *volp = samples;
2068 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2069 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
2070 *volp++ = av_clip_uint8(v);
2071 }
2072 break;
2073 }
2074 case AV_SAMPLE_FMT_S16:
2075 {
2076 int16_t *volp = samples;
2077 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2078 int v = ((*volp) * audio_volume + 128) >> 8;
2079 *volp++ = av_clip_int16(v);
2080 }
2081 break;
2082 }
2083 case AV_SAMPLE_FMT_S32:
2084 {
2085 int32_t *volp = samples;
2086 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2087 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
2088 *volp++ = av_clipl_int32(v);
2089 }
2090 break;
2091 }
2092 case AV_SAMPLE_FMT_FLT:
2093 {
2094 float *volp = samples;
2095 float scale = audio_volume / 256.f;
2096 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2097 *volp++ *= scale;
2098 }
2099 break;
2100 }
2101 case AV_SAMPLE_FMT_DBL:
2102 {
2103 double *volp = samples;
2104 double scale = audio_volume / 256.;
2105 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2106 *volp++ *= scale;
2107 }
2108 break;
2109 }
2110 default:
2111 av_log(NULL, AV_LOG_FATAL,
2112 "Audio volume adjustment on sample format %s is not supported.\n",
2113 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
2114 exit_program(1);
2115 }
2116 }
2117
2118 rate_emu_sleep(ist);
2119
369cb092
AK
2120 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
2121 ist->resample_channels != avctx->channels ||
2122 ist->resample_channel_layout != decoded_frame->channel_layout ||
2123 ist->resample_sample_rate != decoded_frame->sample_rate;
2124 if (resample_changed) {
2125 char layout1[64], layout2[64];
ded28ba3 2126
369cb092
AK
2127 if (!guess_input_channel_layout(ist)) {
2128 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
2129 "layout for Input Stream #%d.%d\n", ist->file_index,
2130 ist->st->index);
2131 exit_program(1);
2132 }
2133 decoded_frame->channel_layout = avctx->channel_layout;
2134
2135 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
2136 ist->resample_channel_layout);
2137 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
2138 decoded_frame->channel_layout);
2139
2140 av_log(NULL, AV_LOG_INFO,
2141 "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d chl:%s to rate:%d fmt:%s ch:%d chl:%s\n",
2142 ist->file_index, ist->st->index,
2143 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
2144 ist->resample_channels, layout1,
2145 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
2146 avctx->channels, layout2);
2147
2148 ist->resample_sample_fmt = decoded_frame->format;
2149 ist->resample_sample_rate = decoded_frame->sample_rate;
2150 ist->resample_channel_layout = decoded_frame->channel_layout;
2151 ist->resample_channels = avctx->channels;
2152
2153 for (i = 0; i < nb_filtergraphs; i++)
2154 if (ist_in_filtergraph(filtergraphs[i], ist) &&
2155 configure_filtergraph(filtergraphs[i]) < 0) {
2156 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2157 exit_program(1);
2158 }
ded28ba3 2159 }
110d2af2 2160
369cb092
AK
2161 for (i = 0; i < ist->nb_filters; i++)
2162 av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
2163
af8ad892 2164 return ret;
ded28ba3
AK
2165}
2166
0629f612 2167static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
45d4b66f 2168{
560f7774 2169 AVFrame *decoded_frame;
45d4b66f 2170 void *buffer_to_free = NULL;
e77c8662 2171 int i, ret = 0, resample_changed;
45d4b66f 2172 float quality;
45d4b66f 2173
9179f27c 2174 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
45d4b66f 2175 return AVERROR(ENOMEM);
9179f27c
JR
2176 else
2177 avcodec_get_frame_defaults(ist->decoded_frame);
2178 decoded_frame = ist->decoded_frame;
45d4b66f
AK
2179
2180 ret = avcodec_decode_video2(ist->st->codec,
2181 decoded_frame, got_output, pkt);
2182 if (ret < 0)
9179f27c 2183 return ret;
45d4b66f
AK
2184
2185 quality = same_quant ? decoded_frame->quality : 0;
2186 if (!*got_output) {
2187 /* no picture yet */
89605e4a
AK
2188 if (!pkt->size)
2189 for (i = 0; i < ist->nb_filters; i++)
2190 av_buffersrc_buffer(ist->filters[i]->filter, NULL);
af8ad892 2191 return ret;
45d4b66f 2192 }
b34856a1
AK
2193 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
2194 decoded_frame->pkt_dts);
45d4b66f
AK
2195 pkt->size = 0;
2196 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
2197
2198 rate_emu_sleep(ist);
2199
695ec04e
AK
2200 if (ist->st->sample_aspect_ratio.num)
2201 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
2202
e77c8662
AK
2203 resample_changed = ist->resample_width != decoded_frame->width ||
2204 ist->resample_height != decoded_frame->height ||
2205 ist->resample_pix_fmt != decoded_frame->format;
2206 if (resample_changed) {
2207 av_log(NULL, AV_LOG_INFO,
2208 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
2209 ist->file_index, ist->st->index,
2210 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
2211 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
2212
2213 ist->resample_width = decoded_frame->width;
2214 ist->resample_height = decoded_frame->height;
2215 ist->resample_pix_fmt = decoded_frame->format;
e77c8662 2216
3b266da3
AK
2217 for (i = 0; i < nb_filtergraphs; i++)
2218 if (ist_in_filtergraph(filtergraphs[i], ist) &&
2219 configure_filtergraph(filtergraphs[i]) < 0) {
ac646076
AK
2220 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2221 exit_program(1);
3b266da3
AK
2222 }
2223 }
ac646076 2224
3b266da3 2225 for (i = 0; i < ist->nb_filters; i++) {
560f7774
AK
2226 // XXX what an ugly hack
2227 if (ist->filters[i]->graph->nb_outputs == 1)
2228 ist->filters[i]->graph->outputs[0]->ost->last_quality = quality;
2229
04a14d4d
AK
2230 if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
2231 FrameBuffer *buf = decoded_frame->opaque;
2232 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
2233 decoded_frame->data, decoded_frame->linesize,
2234 AV_PERM_READ | AV_PERM_PRESERVE,
2235 ist->st->codec->width, ist->st->codec->height,
2236 ist->st->codec->pix_fmt);
2237
2238 avfilter_copy_frame_props(fb, decoded_frame);
04a14d4d
AK
2239 fb->buf->priv = buf;
2240 fb->buf->free = filter_release_buffer;
2241
2242 buf->refcount++;
560f7774 2243 av_buffersrc_buffer(ist->filters[i]->filter, fb);
04a14d4d 2244 } else
720c6b78 2245 av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
45d4b66f
AK
2246 }
2247
45d4b66f 2248 av_free(buffer_to_free);
45d4b66f
AK
2249 return ret;
2250}
2251
9595234c
AK
2252static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2253{
2254 AVSubtitle subtitle;
2255 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2256 &subtitle, got_output, pkt);
2257 if (ret < 0)
2258 return ret;
2259 if (!*got_output)
af8ad892 2260 return ret;
9595234c
AK
2261
2262 rate_emu_sleep(ist);
2263
2264 for (i = 0; i < nb_output_streams; i++) {
2e215267 2265 OutputStream *ost = output_streams[i];
9595234c
AK
2266
2267 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2268 continue;
2269
2e215267 2270 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
9595234c
AK
2271 }
2272
2273 avsubtitle_free(&subtitle);
af8ad892 2274 return ret;
9595234c
AK
2275}
2276
6291d7e4 2277/* pkt = NULL means EOF (needed to flush decoder buffers) */
ea9367e9 2278static int output_packet(InputStream *ist, const AVPacket *pkt)
6291d7e4 2279{
ffa0674e 2280 int i;
6291d7e4 2281 int got_output;
6291d7e4 2282 AVPacket avpkt;
6291d7e4 2283
3101bb66 2284 if (ist->next_dts == AV_NOPTS_VALUE)
23576b3f 2285 ist->next_dts = ist->last_dts;
6291d7e4
AK
2286
2287 if (pkt == NULL) {
2288 /* EOF handling */
2289 av_init_packet(&avpkt);
2290 avpkt.data = NULL;
2291 avpkt.size = 0;
2292 goto handle_eof;
2293 } else {
2294 avpkt = *pkt;
2295 }
2296
7636c8c6 2297 if (pkt->dts != AV_NOPTS_VALUE)
23576b3f 2298 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
6291d7e4 2299
7636c8c6 2300 // while we have more to decode or while the decoder did output something on EOF
2a651b71 2301 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
ffa0674e 2302 int ret = 0;
6291d7e4 2303 handle_eof:
6291d7e4 2304
23576b3f 2305 ist->last_dts = ist->next_dts;
8b0268a8
AK
2306
2307 if (avpkt.size && avpkt.size != pkt->size) {
e3245b26
AK
2308 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2309 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
8b0268a8
AK
2310 ist->showed_multi_packet_warning = 1;
2311 }
6291d7e4 2312
7636c8c6 2313 switch (ist->st->codec->codec_type) {
82963f8f 2314 case AVMEDIA_TYPE_AUDIO:
0629f612 2315 ret = decode_audio (ist, &avpkt, &got_output);
82963f8f
AK
2316 break;
2317 case AVMEDIA_TYPE_VIDEO:
0629f612 2318 ret = decode_video (ist, &avpkt, &got_output);
b34856a1
AK
2319 if (avpkt.duration)
2320 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
722410ad
AK
2321 else if (ist->st->r_frame_rate.num)
2322 ist->next_dts += av_rescale_q(1, (AVRational){ist->st->r_frame_rate.den,
2323 ist->st->r_frame_rate.num},
2324 AV_TIME_BASE_Q);
b34856a1
AK
2325 else if (ist->st->codec->time_base.num != 0) {
2326 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
2327 ist->st->codec->ticks_per_frame;
2328 ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q);
2329 }
82963f8f
AK
2330 break;
2331 case AVMEDIA_TYPE_SUBTITLE:
2332 ret = transcode_subtitles(ist, &avpkt, &got_output);
2333 break;
78162b4e
AK
2334 default:
2335 return -1;
2336 }
6291d7e4 2337
d3c1d37a
AK
2338 if (ret < 0)
2339 return ret;
aa38cff2
JG
2340 // touch data and size only if not EOF
2341 if (pkt) {
2342 avpkt.data += ret;
2343 avpkt.size -= ret;
2344 }
82963f8f 2345 if (!got_output) {
af8ad892 2346 continue;
82963f8f 2347 }
6291d7e4 2348 }
6291d7e4 2349
7204ec1a 2350 /* handle stream copy */
2a651b71
AK
2351 if (!ist->decoding_needed) {
2352 rate_emu_sleep(ist);
23576b3f 2353 ist->last_dts = ist->next_dts;
2a651b71
AK
2354 switch (ist->st->codec->codec_type) {
2355 case AVMEDIA_TYPE_AUDIO:
3101bb66 2356 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2a651b71
AK
2357 ist->st->codec->sample_rate;
2358 break;
2359 case AVMEDIA_TYPE_VIDEO:
2360 if (ist->st->codec->time_base.num != 0) {
7636c8c6 2361 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
3101bb66 2362 ist->next_dts += ((int64_t)AV_TIME_BASE *
2a651b71
AK
2363 ist->st->codec->time_base.num * ticks) /
2364 ist->st->codec->time_base.den;
2365 }
2366 break;
2367 }
2368 }
ea9367e9 2369 for (i = 0; pkt && i < nb_output_streams; i++) {
2e215267 2370 OutputStream *ost = output_streams[i];
7204ec1a
AK
2371
2372 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2373 continue;
2374
2375 do_streamcopy(ist, ost, pkt);
2376 }
2377
6291d7e4
AK
2378 return 0;
2379}
2380
ea9367e9 2381static void print_sdp(void)
6291d7e4
AK
2382{
2383 char sdp[2048];
af70aa45 2384 int i;
ea9367e9 2385 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
af70aa45
AK
2386
2387 if (!avc)
2388 exit_program(1);
ea9367e9 2389 for (i = 0; i < nb_output_files; i++)
2e215267 2390 avc[i] = output_files[i]->ctx;
6291d7e4 2391
ea9367e9 2392 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
6291d7e4
AK
2393 printf("SDP:\n%s\n", sdp);
2394 fflush(stdout);
af70aa45 2395 av_freep(&avc);
6291d7e4
AK
2396}
2397
ea9367e9 2398static int init_input_stream(int ist_index, char *error, int error_len)
630902a1
AK
2399{
2400 int i;
2e215267 2401 InputStream *ist = input_streams[ist_index];
630902a1
AK
2402 if (ist->decoding_needed) {
2403 AVCodec *codec = ist->dec;
630902a1 2404 if (!codec) {
9a414d89 2405 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
630902a1
AK
2406 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2407 return AVERROR(EINVAL);
2408 }
2409
2410 /* update requested sample format for the decoder based on the
2411 corresponding encoder sample format */
2412 for (i = 0; i < nb_output_streams; i++) {
2e215267 2413 OutputStream *ost = output_streams[i];
630902a1
AK
2414 if (ost->source_index == ist_index) {
2415 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2416 break;
2417 }
2418 }
2419
64dca32c
AK
2420 if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
2421 ist->st->codec->get_buffer = codec_get_buffer;
2422 ist->st->codec->release_buffer = codec_release_buffer;
2423 ist->st->codec->opaque = ist;
2424 }
2425
2473a45c
JG
2426 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2427 av_dict_set(&ist->opts, "threads", "auto", 0);
630902a1 2428 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
9a414d89 2429 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
630902a1
AK
2430 ist->file_index, ist->st->index);
2431 return AVERROR(EINVAL);
2432 }
2433 assert_codec_experimental(ist->st->codec, 0);
2434 assert_avoptions(ist->opts);
2435 }
2436
23576b3f 2437 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 2438 ist->next_dts = AV_NOPTS_VALUE;
630902a1
AK
2439 init_pts_correction(&ist->pts_ctx);
2440 ist->is_start = 1;
2441
2442 return 0;
2443}
2444
3b266da3
AK
2445static InputStream *get_input_stream(OutputStream *ost)
2446{
2447 if (ost->source_index >= 0)
2448 return input_streams[ost->source_index];
2449
2450 if (ost->filter) {
2451 FilterGraph *fg = ost->filter->graph;
2452 int i;
2453
2454 for (i = 0; i < fg->nb_inputs; i++)
2455 if (fg->inputs[i]->ist->st->codec->codec_type == ost->st->codec->codec_type)
2456 return fg->inputs[i]->ist;
2457 }
2458
2459 return NULL;
2460}
2461
ea9367e9 2462static int transcode_init(void)
6291d7e4 2463{
2c474ddb 2464 int ret = 0, i, j, k;
1bb77e51 2465 AVFormatContext *oc;
6291d7e4 2466 AVCodecContext *codec, *icodec;
4288e031 2467 OutputStream *ost;
6291d7e4
AK
2468 InputStream *ist;
2469 char error[1024];
2470 int want_sdp = 1;
b0c9e8e0 2471
f4805328
AK
2472 /* init framerate emulation */
2473 for (i = 0; i < nb_input_files; i++) {
2e215267 2474 InputFile *ifile = input_files[i];
f4805328
AK
2475 if (ifile->rate_emu)
2476 for (j = 0; j < ifile->nb_streams; j++)
2e215267 2477 input_streams[j + ifile->ist_index]->start = av_gettime();
f4805328 2478 }
6291d7e4
AK
2479
2480 /* output stream init */
03f30c83 2481 for (i = 0; i < nb_output_files; i++) {
2e215267 2482 oc = output_files[i]->ctx;
1bb77e51
AK
2483 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2484 av_dump_format(oc, i, oc->filename, 1);
e3245b26 2485 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
eaf2d37a 2486 return AVERROR(EINVAL);
6291d7e4 2487 }
6291d7e4
AK
2488 }
2489
3b266da3
AK
2490 /* init complex filtergraphs */
2491 for (i = 0; i < nb_filtergraphs; i++)
2492 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2493 return ret;
2494
6291d7e4 2495 /* for each output stream, we compute the right encoding parameters */
4288e031 2496 for (i = 0; i < nb_output_streams; i++) {
2e215267
AK
2497 ost = output_streams[i];
2498 oc = output_files[ost->file_index]->ctx;
3b266da3 2499 ist = get_input_stream(ost);
6291d7e4 2500
4dbc6cee
AK
2501 if (ost->attachment_filename)
2502 continue;
2503
03f30c83 2504 codec = ost->st->codec;
6291d7e4 2505
3b266da3
AK
2506 if (ist) {
2507 icodec = ist->st->codec;
2508
2509 ost->st->disposition = ist->st->disposition;
2510 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2511 codec->chroma_sample_location = icodec->chroma_sample_location;
2512 }
6291d7e4 2513
3d813e4c 2514 if (ost->stream_copy) {
8c4022ac
AK
2515 uint64_t extra_size;
2516
2517 av_assert0(ist && !ost->filter);
2518
2519 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
6291d7e4 2520
e6d2b737 2521 if (extra_size > INT_MAX) {
eaf2d37a 2522 return AVERROR(EINVAL);
e6d2b737 2523 }
6291d7e4
AK
2524
2525 /* if stream_copy is selected, no need to decode or encode */
03f30c83 2526 codec->codec_id = icodec->codec_id;
6291d7e4
AK
2527 codec->codec_type = icodec->codec_type;
2528
03f30c83
AK
2529 if (!codec->codec_tag) {
2530 if (!oc->oformat->codec_tag ||
2531 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2532 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
6291d7e4
AK
2533 codec->codec_tag = icodec->codec_tag;
2534 }
2535
03f30c83 2536 codec->bit_rate = icodec->bit_rate;
6291d7e4
AK
2537 codec->rc_max_rate = icodec->rc_max_rate;
2538 codec->rc_buffer_size = icodec->rc_buffer_size;
4bf3c8f2 2539 codec->field_order = icodec->field_order;
03f30c83 2540 codec->extradata = av_mallocz(extra_size);
e6d2b737 2541 if (!codec->extradata) {
eaf2d37a 2542 return AVERROR(ENOMEM);
e6d2b737 2543 }
6291d7e4 2544 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
03f30c83 2545 codec->extradata_size = icodec->extradata_size;
7bb3e625 2546 if (!copy_tb) {
03f30c83 2547 codec->time_base = icodec->time_base;
6291d7e4
AK
2548 codec->time_base.num *= icodec->ticks_per_frame;
2549 av_reduce(&codec->time_base.num, &codec->time_base.den,
2550 codec->time_base.num, codec->time_base.den, INT_MAX);
03f30c83 2551 } else
6291d7e4 2552 codec->time_base = ist->st->time_base;
03f30c83 2553
7636c8c6 2554 switch (codec->codec_type) {
6291d7e4 2555 case AVMEDIA_TYPE_AUDIO:
7636c8c6 2556 if (audio_volume != 256) {
e3245b26 2557 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
6291d7e4
AK
2558 exit_program(1);
2559 }
03f30c83
AK
2560 codec->channel_layout = icodec->channel_layout;
2561 codec->sample_rate = icodec->sample_rate;
2562 codec->channels = icodec->channels;
2563 codec->frame_size = icodec->frame_size;
6291d7e4 2564 codec->audio_service_type = icodec->audio_service_type;
03f30c83 2565 codec->block_align = icodec->block_align;
6291d7e4
AK
2566 break;
2567 case AVMEDIA_TYPE_VIDEO:
03f30c83
AK
2568 codec->pix_fmt = icodec->pix_fmt;
2569 codec->width = icodec->width;
2570 codec->height = icodec->height;
2571 codec->has_b_frames = icodec->has_b_frames;
6291d7e4 2572 if (!codec->sample_aspect_ratio.num) {
03f30c83 2573 codec->sample_aspect_ratio =
6291d7e4
AK
2574 ost->st->sample_aspect_ratio =
2575 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2576 ist->st->codec->sample_aspect_ratio.num ?
2577 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2578 }
2579 break;
2580 case AVMEDIA_TYPE_SUBTITLE:
03f30c83 2581 codec->width = icodec->width;
6291d7e4
AK
2582 codec->height = icodec->height;
2583 break;
2584 case AVMEDIA_TYPE_DATA:
3ccd1580 2585 case AVMEDIA_TYPE_ATTACHMENT:
6291d7e4
AK
2586 break;
2587 default:
2588 abort();
2589 }
2590 } else {
2994913d
AK
2591 if (!ost->enc) {
2592 /* should only happen when a default codec is not present. */
2593 snprintf(error, sizeof(error), "Automatic encoder selection "
2594 "failed for output stream #%d:%d. Default encoder for "
2595 "format %s is probably disabled. Please choose an "
2596 "encoder manually.\n", ost->file_index, ost->index,
2597 oc->oformat->name);
2598 ret = AVERROR(EINVAL);
2599 goto dump_format;
2600 }
03f30c83 2601
3b266da3
AK
2602 if (ist)
2603 ist->decoding_needed = 1;
11fdb7e1 2604 ost->encoding_needed = 1;
03f30c83 2605
74b961db
AK
2606 /*
2607 * We want CFR output if and only if one of those is true:
2608 * 1) user specified output framerate with -r
2609 * 2) user specified -vsync cfr
2610 * 3) output format is CFR and the user didn't force vsync to
2611 * something else than CFR
2612 *
2613 * in such a case, set ost->frame_rate
2614 */
2615 if (codec->codec_type == AVMEDIA_TYPE_VIDEO &&
2616 !ost->frame_rate.num && ist &&
2617 (video_sync_method == VSYNC_CFR ||
2618 (video_sync_method == VSYNC_AUTO &&
2619 !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
2620 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1};
2621 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2622 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2623 ost->frame_rate = ost->enc->supported_framerates[idx];
2624 }
2625 }
2626
369cb092
AK
2627 if (!ost->filter &&
2628 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2629 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
3b266da3
AK
2630 FilterGraph *fg;
2631 fg = init_simple_filtergraph(ist, ost);
8daf21d5 2632 if (configure_filtergraph(fg)) {
3b266da3
AK
2633 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2634 exit(1);
2635 }
369cb092 2636 }
3b266da3 2637
369cb092
AK
2638 switch (codec->codec_type) {
2639 case AVMEDIA_TYPE_AUDIO:
2640 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
2641 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2642 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2643 codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout);
2644 codec->time_base = (AVRational){ 1, codec->sample_rate };
2645 break;
2646 case AVMEDIA_TYPE_VIDEO:
74b961db 2647 codec->time_base = ost->filter->filter->inputs[0]->time_base;
6291d7e4 2648
3b266da3
AK
2649 codec->width = ost->filter->filter->inputs[0]->w;
2650 codec->height = ost->filter->filter->inputs[0]->h;
2651 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2652 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
2653 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
2654 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2655 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
b7327887 2656
9dced854
AK
2657 if (codec->width != icodec->width ||
2658 codec->height != icodec->height ||
2659 codec->pix_fmt != icodec->pix_fmt) {
b7327887
AK
2660 codec->bits_per_raw_sample = 0;
2661 }
2662
6291d7e4
AK
2663 break;
2664 case AVMEDIA_TYPE_SUBTITLE:
c9af8326 2665 codec->time_base = (AVRational){1, 1000};
6291d7e4
AK
2666 break;
2667 default:
2668 abort();
2669 break;
2670 }
2671 /* two pass mode */
515901fa 2672 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
6291d7e4
AK
2673 char logfilename[1024];
2674 FILE *f;
2675
2676 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2677 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2678 i);
6e8be949
AK
2679 if (!strcmp(ost->enc->name, "libx264")) {
2680 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2681 } else {
64334ddb
AK
2682 if (codec->flags & CODEC_FLAG_PASS1) {
2683 f = fopen(logfilename, "wb");
2684 if (!f) {
2685 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2686 logfilename, strerror(errno));
2687 exit_program(1);
2688 }
2689 ost->logfile = f;
2690 } else {
2691 char *logbuffer;
2692 size_t logbuffer_size;
2693 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2694 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2695 logfilename);
2696 exit_program(1);
2697 }
2698 codec->stats_in = logbuffer;
6291d7e4 2699 }
6e8be949 2700 }
6291d7e4
AK
2701 }
2702 }
6291d7e4
AK
2703 }
2704
2705 /* open each encoder */
4288e031 2706 for (i = 0; i < nb_output_streams; i++) {
2e215267 2707 ost = output_streams[i];
6291d7e4 2708 if (ost->encoding_needed) {
03f30c83 2709 AVCodec *codec = ost->enc;
3b266da3 2710 AVCodecContext *dec = NULL;
3b266da3
AK
2711
2712 if ((ist = get_input_stream(ost)))
2713 dec = ist->st->codec;
2714 if (dec && dec->subtitle_header) {
6291d7e4
AK
2715 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2716 if (!ost->st->codec->subtitle_header) {
2717 ret = AVERROR(ENOMEM);
2718 goto dump_format;
2719 }
2720 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2721 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2722 }
2473a45c
JG
2723 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2724 av_dict_set(&ost->opts, "threads", "auto", 0);
6291d7e4 2725 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
9a414d89 2726 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
2727 ost->file_index, ost->index);
2728 ret = AVERROR(EINVAL);
2729 goto dump_format;
2730 }
2731 assert_codec_experimental(ost->st->codec, 1);
2732 assert_avoptions(ost->opts);
2733 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2734 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2735 "It takes bits/s as argument, not kbits/s\n");
2736 extra_size += ost->st->codec->extradata_size;
d242d80e
AK
2737
2738 if (ost->st->codec->me_threshold)
2e215267 2739 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
6291d7e4
AK
2740 }
2741 }
2742
630902a1
AK
2743 /* init input streams */
2744 for (i = 0; i < nb_input_streams; i++)
ea9367e9 2745 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
630902a1 2746 goto dump_format;
6291d7e4 2747
2c474ddb
AK
2748 /* discard unused programs */
2749 for (i = 0; i < nb_input_files; i++) {
2e215267 2750 InputFile *ifile = input_files[i];
2c474ddb
AK
2751 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2752 AVProgram *p = ifile->ctx->programs[j];
2753 int discard = AVDISCARD_ALL;
2754
2755 for (k = 0; k < p->nb_stream_indexes; k++)
2e215267 2756 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2c474ddb
AK
2757 discard = AVDISCARD_DEFAULT;
2758 break;
2759 }
2760 p->discard = discard;
2761 }
2762 }
2763
6291d7e4 2764 /* open files and write file headers */
af70aa45 2765 for (i = 0; i < nb_output_files; i++) {
2e215267 2766 oc = output_files[i]->ctx;
1bb77e51 2767 oc->interrupt_callback = int_cb;
a1a6cdc2
MS
2768 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2769 char errbuf[128];
2770 const char *errbuf_ptr = errbuf;
2771 if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0)
2772 errbuf_ptr = strerror(AVUNERROR(ret));
2773 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr);
6291d7e4
AK
2774 ret = AVERROR(EINVAL);
2775 goto dump_format;
2776 }
2e215267 2777 assert_avoptions(output_files[i]->opts);
1bb77e51 2778 if (strcmp(oc->oformat->name, "rtp")) {
6291d7e4
AK
2779 want_sdp = 0;
2780 }
2781 }
2782
2783 dump_format:
2784 /* dump the file output parameters - cannot be done before in case
2785 of stream copy */
03f30c83 2786 for (i = 0; i < nb_output_files; i++) {
2e215267 2787 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
6291d7e4
AK
2788 }
2789
2790 /* dump the stream mapping */
e3245b26 2791 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3b266da3
AK
2792 for (i = 0; i < nb_input_streams; i++) {
2793 ist = input_streams[i];
2794
2795 for (j = 0; j < ist->nb_filters; j++) {
3b266da3
AK
2796 if (ist->filters[j]->graph->graph_desc) {
2797 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2798 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
cf6c38c6 2799 ist->filters[j]->name);
3b266da3
AK
2800 if (nb_filtergraphs > 1)
2801 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2802 av_log(NULL, AV_LOG_INFO, "\n");
2803 }
2804 }
2805 }
2806
e3245b26 2807 for (i = 0; i < nb_output_streams; i++) {
2e215267 2808 ost = output_streams[i];
4dbc6cee
AK
2809
2810 if (ost->attachment_filename) {
2811 /* an attached file */
2812 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2813 ost->attachment_filename, ost->file_index, ost->index);
2814 continue;
2815 }
3b266da3
AK
2816
2817 if (ost->filter && ost->filter->graph->graph_desc) {
2818 /* output from a complex graph */
cf6c38c6 2819 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3b266da3
AK
2820 if (nb_filtergraphs > 1)
2821 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2822
2823 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2824 ost->index, ost->enc ? ost->enc->name : "?");
2825 continue;
2826 }
2827
9a414d89 2828 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2e215267
AK
2829 input_streams[ost->source_index]->file_index,
2830 input_streams[ost->source_index]->st->index,
e3245b26
AK
2831 ost->file_index,
2832 ost->index);
2e215267 2833 if (ost->sync_ist != input_streams[ost->source_index])
9a414d89 2834 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
e3245b26
AK
2835 ost->sync_ist->file_index,
2836 ost->sync_ist->st->index);
3d813e4c 2837 if (ost->stream_copy)
e3245b26
AK
2838 av_log(NULL, AV_LOG_INFO, " (copy)");
2839 else
2e215267
AK
2840 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
2841 input_streams[ost->source_index]->dec->name : "?",
e3245b26
AK
2842 ost->enc ? ost->enc->name : "?");
2843 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
2844 }
2845
2846 if (ret) {
e3245b26 2847 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 2848 return ret;
6291d7e4
AK
2849 }
2850
2851 if (want_sdp) {
ea9367e9 2852 print_sdp();
6291d7e4
AK
2853 }
2854
eaf2d37a
AC
2855 return 0;
2856}
2857
2858/*
2859 * The following code is the main loop of the file converter
2860 */
ea9367e9 2861static int transcode(void)
eaf2d37a
AC
2862{
2863 int ret, i;
2864 AVFormatContext *is, *os;
2865 OutputStream *ost;
2866 InputStream *ist;
2867 uint8_t *no_packet;
7636c8c6 2868 int no_packet_count = 0;
eaf2d37a
AC
2869 int64_t timer_start;
2870
2871 if (!(no_packet = av_mallocz(nb_input_files)))
2872 exit_program(1);
2873
ea9367e9 2874 ret = transcode_init();
eaf2d37a
AC
2875 if (ret < 0)
2876 goto fail;
2877
e3245b26 2878 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2879 term_init();
2880
2881 timer_start = av_gettime();
2882
7636c8c6 2883 for (; received_sigterm == 0;) {
3b266da3 2884 int file_index, ist_index, past_recording_time = 1;
6291d7e4 2885 AVPacket pkt;
9be3c124 2886 int64_t ipts_min;
6291d7e4 2887
9be3c124 2888 ipts_min = INT64_MAX;
6291d7e4 2889
3b266da3 2890 /* check if there's any stream where output is still needed */
4288e031 2891 for (i = 0; i < nb_output_streams; i++) {
f21f294e 2892 OutputFile *of;
2e215267 2893 ost = output_streams[i];
3b266da3
AK
2894 of = output_files[ost->file_index];
2895 os = output_files[ost->file_index]->ctx;
2896 if (ost->is_past_recording_time ||
f21f294e 2897 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
6291d7e4 2898 continue;
3b266da3
AK
2899 if (ost->frame_number > ost->max_frames) {
2900 int j;
2901 for (j = 0; j < of->ctx->nb_streams; j++)
2902 output_streams[of->ost_index + j]->is_past_recording_time = 1;
2903 continue;
2904 }
2905 past_recording_time = 0;
2906 }
2907 if (past_recording_time)
2908 break;
2909
2910 /* select the stream that we must read now by looking at the
2911 smallest output pts */
2912 file_index = -1;
2913 for (i = 0; i < nb_input_streams; i++) {
2914 int64_t ipts;
2915 ist = input_streams[i];
23576b3f 2916 ipts = ist->last_dts;
3b266da3
AK
2917 if (ist->discard || no_packet[ist->file_index])
2918 continue;
2e215267 2919 if (!input_files[ist->file_index]->eof_reached) {
7636c8c6 2920 if (ipts < ipts_min) {
6291d7e4 2921 ipts_min = ipts;
3b266da3 2922 file_index = ist->file_index;
6291d7e4
AK
2923 }
2924 }
6291d7e4
AK
2925 }
2926 /* if none, if is finished */
2927 if (file_index < 0) {
7636c8c6
AD
2928 if (no_packet_count) {
2929 no_packet_count = 0;
b0c9e8e0 2930 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2931 usleep(10000);
2932 continue;
2933 }
2934 break;
2935 }
2936
6291d7e4 2937 /* read a frame from it and output it in the fifo */
2e215267 2938 is = input_files[file_index]->ctx;
7636c8c6
AD
2939 ret = av_read_frame(is, &pkt);
2940 if (ret == AVERROR(EAGAIN)) {
2941 no_packet[file_index] = 1;
6291d7e4
AK
2942 no_packet_count++;
2943 continue;
2944 }
2945 if (ret < 0) {
2e215267 2946 input_files[file_index]->eof_reached = 1;
9e8aae44
AK
2947
2948 for (i = 0; i < input_files[file_index]->nb_streams; i++) {
2949 ist = input_streams[input_files[file_index]->ist_index + i];
2950 if (ist->decoding_needed)
2951 output_packet(ist, NULL);
2952 }
2953
6291d7e4
AK
2954 if (opt_shortest)
2955 break;
2956 else
2957 continue;
2958 }
2959
7636c8c6 2960 no_packet_count = 0;
b0c9e8e0 2961 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2962
2963 if (do_pkt_dump) {
2964 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2965 is->streams[pkt.stream_index]);
2966 }
2967 /* the following test is needed in case new streams appear
2968 dynamically in stream : we ignore them */
2e215267 2969 if (pkt.stream_index >= input_files[file_index]->nb_streams)
6291d7e4 2970 goto discard_packet;
2e215267
AK
2971 ist_index = input_files[file_index]->ist_index + pkt.stream_index;
2972 ist = input_streams[ist_index];
6291d7e4
AK
2973 if (ist->discard)
2974 goto discard_packet;
2975
2976 if (pkt.dts != AV_NOPTS_VALUE)
2e215267 2977 pkt.dts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
6291d7e4 2978 if (pkt.pts != AV_NOPTS_VALUE)
2e215267 2979 pkt.pts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
6291d7e4 2980
7636c8c6 2981 if (pkt.pts != AV_NOPTS_VALUE)
33f75d72 2982 pkt.pts *= ist->ts_scale;
7636c8c6 2983 if (pkt.dts != AV_NOPTS_VALUE)
33f75d72 2984 pkt.dts *= ist->ts_scale;
6291d7e4 2985
7636c8c6 2986 //fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n",
3101bb66 2987 // ist->next_dts,
7636c8c6
AD
2988 // pkt.dts, input_files[ist->file_index].ts_offset,
2989 // ist->st->codec->codec_type);
3101bb66 2990 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE
6291d7e4 2991 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
7636c8c6 2992 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3101bb66 2993 int64_t delta = pkt_dts - ist->next_dts;
23576b3f 2994 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2e215267 2995 input_files[ist->file_index]->ts_offset -= delta;
7636c8c6
AD
2996 av_log(NULL, AV_LOG_DEBUG,
2997 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2e215267 2998 delta, input_files[ist->file_index]->ts_offset);
6291d7e4 2999 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
7636c8c6 3000 if (pkt.pts != AV_NOPTS_VALUE)
6291d7e4
AK
3001 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3002 }
3003 }
3004
7636c8c6 3005 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
560f7774 3006 if (output_packet(ist, &pkt) < 0 || poll_filters() < 0) {
9a414d89 3007 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
e3245b26 3008 ist->file_index, ist->st->index);
6291d7e4
AK
3009 if (exit_on_error)
3010 exit_program(1);
3011 av_free_packet(&pkt);
b9630bcf 3012 continue;
6291d7e4
AK
3013 }
3014
3015 discard_packet:
3016 av_free_packet(&pkt);
3017
3018 /* dump report by using the output first video and audio streams */
ea9367e9 3019 print_report(0, timer_start);
6291d7e4
AK
3020 }
3021
3022 /* at the end of stream, we must flush the decoder buffers */
3023 for (i = 0; i < nb_input_streams; i++) {
2e215267 3024 ist = input_streams[i];
9e8aae44 3025 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
ea9367e9 3026 output_packet(ist, NULL);
6291d7e4
AK
3027 }
3028 }
560f7774 3029 poll_filters();
ea9367e9 3030 flush_encoders();
6291d7e4
AK
3031
3032 term_exit();
3033
3034 /* write the trailer if needed and close file */
7636c8c6 3035 for (i = 0; i < nb_output_files; i++) {
2e215267 3036 os = output_files[i]->ctx;
6291d7e4
AK
3037 av_write_trailer(os);
3038 }
3039
3040 /* dump report by using the first video and audio streams */
ea9367e9 3041 print_report(1, timer_start);
6291d7e4
AK
3042
3043 /* close each encoder */
4288e031 3044 for (i = 0; i < nb_output_streams; i++) {
2e215267 3045 ost = output_streams[i];
6291d7e4
AK
3046 if (ost->encoding_needed) {
3047 av_freep(&ost->st->codec->stats_in);
3048 avcodec_close(ost->st->codec);
3049 }
6291d7e4
AK
3050 }
3051
3052 /* close each decoder */
3053 for (i = 0; i < nb_input_streams; i++) {
2e215267 3054 ist = input_streams[i];
6291d7e4
AK
3055 if (ist->decoding_needed) {
3056 avcodec_close(ist->st->codec);
3057 }
3058 }
3059
3060 /* finished ! */
3061 ret = 0;
3062
3063 fail:
b0c9e8e0 3064 av_freep(&no_packet);
6291d7e4 3065
4288e031
AK
3066 if (output_streams) {
3067 for (i = 0; i < nb_output_streams; i++) {
2e215267 3068 ost = output_streams[i];
6291d7e4 3069 if (ost) {
3d813e4c 3070 if (ost->stream_copy)
6291d7e4
AK
3071 av_freep(&ost->st->codec->extradata);
3072 if (ost->logfile) {
3073 fclose(ost->logfile);
3074 ost->logfile = NULL;
3075 }
6291d7e4 3076 av_freep(&ost->st->codec->subtitle_header);
6291d7e4 3077 av_free(ost->forced_kf_pts);
6291d7e4 3078 av_dict_free(&ost->opts);
6291d7e4
AK
3079 }
3080 }
6291d7e4
AK
3081 }
3082 return ret;
3083}
3084
ca46fde7 3085static double parse_frame_aspect_ratio(const char *arg)
6291d7e4
AK
3086{
3087 int x = 0, y = 0;
3088 double ar = 0;
3089 const char *p;
3090 char *end;
3091
3092 p = strchr(arg, ':');
3093 if (p) {
3094 x = strtol(arg, &end, 10);
3095 if (end == p)
7636c8c6 3096 y = strtol(end + 1, &end, 10);
6291d7e4
AK
3097 if (x > 0 && y > 0)
3098 ar = (double)x / (double)y;
3099 } else
3100 ar = strtod(arg, NULL);
3101
3102 if (!ar) {
e3245b26 3103 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
ca46fde7 3104 exit_program(1);
6291d7e4 3105 }
ca46fde7 3106 return ar;
6291d7e4
AK
3107}
3108
35e6f8c1 3109static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 3110{
35e6f8c1 3111 return parse_option(o, "codec:a", arg, options);
6291d7e4
AK
3112}
3113
35e6f8c1 3114static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 3115{
35e6f8c1 3116 return parse_option(o, "codec:v", arg, options);
6291d7e4
AK
3117}
3118
35e6f8c1 3119static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 3120{
35e6f8c1 3121 return parse_option(o, "codec:s", arg, options);
6291d7e4
AK
3122}
3123
35e6f8c1 3124static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 3125{
35e6f8c1 3126 return parse_option(o, "codec:d", arg, options);
6291d7e4
AK
3127}
3128
575ec4e1 3129static int opt_map(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 3130{
8d2e4a7e
AK
3131 StreamMap *m = NULL;
3132 int i, negative = 0, file_idx;
3133 int sync_file_idx = -1, sync_stream_idx;
3134 char *p, *sync;
3135 char *map;
6291d7e4 3136
8d2e4a7e
AK
3137 if (*arg == '-') {
3138 negative = 1;
3139 arg++;
3140 }
3141 map = av_strdup(arg);
6291d7e4 3142
8d2e4a7e
AK
3143 /* parse sync stream first, just pick first matching stream */
3144 if (sync = strchr(map, ',')) {
3145 *sync = 0;
3146 sync_file_idx = strtol(sync + 1, &sync, 0);
3147 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
f24facd3 3148 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
8d2e4a7e
AK
3149 exit_program(1);
3150 }
3151 if (*sync)
3152 sync++;
2e215267
AK
3153 for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
3154 if (check_stream_specifier(input_files[sync_file_idx]->ctx,
3155 input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
8d2e4a7e
AK
3156 sync_stream_idx = i;
3157 break;
3158 }
2e215267 3159 if (i == input_files[sync_file_idx]->nb_streams) {
f24facd3 3160 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
8d2e4a7e
AK
3161 "match any streams.\n", arg);
3162 exit_program(1);
3163 }
3164 }
6291d7e4 3165
8d2e4a7e 3166
3b266da3
AK
3167 if (map[0] == '[') {
3168 /* this mapping refers to lavfi output */
3169 const char *c = map + 1;
3170 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3171 &o->nb_stream_maps, o->nb_stream_maps + 1);
3172 m = &o->stream_maps[o->nb_stream_maps - 1];
3173 m->linklabel = av_get_token(&c, "]");
3174 if (!m->linklabel) {
3175 av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
3176 exit_program(1);
3177 }
3178 } else {
3e901cbc
AK
3179 file_idx = strtol(map, &p, 0);
3180 if (file_idx >= nb_input_files || file_idx < 0) {
3181 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
3182 exit_program(1);
8d2e4a7e 3183 }
3e901cbc
AK
3184 if (negative)
3185 /* disable some already defined maps */
3186 for (i = 0; i < o->nb_stream_maps; i++) {
3187 m = &o->stream_maps[i];
3188 if (file_idx == m->file_index &&
3189 check_stream_specifier(input_files[m->file_index]->ctx,
3190 input_files[m->file_index]->ctx->streams[m->stream_index],
3191 *p == ':' ? p + 1 : p) > 0)
3192 m->disabled = 1;
3193 }
3194 else
3195 for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
3196 if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
3197 *p == ':' ? p + 1 : p) <= 0)
3198 continue;
3199 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3200 &o->nb_stream_maps, o->nb_stream_maps + 1);
3201 m = &o->stream_maps[o->nb_stream_maps - 1];
3202
3203 m->file_index = file_idx;
3204 m->stream_index = i;
3205
3206 if (sync_file_idx >= 0) {
3207 m->sync_file_index = sync_file_idx;
3208 m->sync_stream_index = sync_stream_idx;
3209 } else {
3210 m->sync_file_index = file_idx;
3211 m->sync_stream_index = i;
3212 }
8d2e4a7e 3213 }
3b266da3 3214 }
8d2e4a7e
AK
3215
3216 if (!m) {
f24facd3 3217 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
8d2e4a7e
AK
3218 exit_program(1);
3219 }
3220
3221 av_freep(&map);
6291d7e4
AK
3222 return 0;
3223}
3224
4dbc6cee
AK
3225static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3226{
3227 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3228 &o->nb_attachments, o->nb_attachments + 1);
3229 o->attachments[o->nb_attachments - 1] = arg;
3230 return 0;
3231}
3232
a7b5e841
AK
3233/**
3234 * Parse a metadata specifier in arg.
3235 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3236 * @param index for type c/p, chapter/program index is written here
3237 * @param stream_spec for type s, the stream specifier is written here
3238 */
3239static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
6291d7e4 3240{
039267f1 3241 if (*arg) {
a2a38d96 3242 *type = *arg;
6291d7e4
AK
3243 switch (*arg) {
3244 case 'g':
3245 break;
3246 case 's':
a7b5e841
AK
3247 if (*(++arg) && *arg != ':') {
3248 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3249 exit_program(1);
3250 }
3251 *stream_spec = *arg == ':' ? arg + 1 : "";
3252 break;
6291d7e4
AK
3253 case 'c':
3254 case 'p':
e6e6060c
AK
3255 if (*(++arg) == ':')
3256 *index = strtol(++arg, NULL, 0);
6291d7e4
AK
3257 break;
3258 default:
e3245b26 3259 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
6291d7e4
AK
3260 exit_program(1);
3261 }
3262 } else
3263 *type = 'g';
3264}
3265
a7b5e841 3266static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
6291d7e4 3267{
a7b5e841
AK
3268 AVDictionary **meta_in = NULL;
3269 AVDictionary **meta_out;
3270 int i, ret = 0;
3271 char type_in, type_out;
3272 const char *istream_spec = NULL, *ostream_spec = NULL;
3273 int idx_in = 0, idx_out = 0;
6291d7e4 3274
a7b5e841
AK
3275 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3276 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
6291d7e4 3277
a7b5e841 3278 if (type_in == 'g' || type_out == 'g')
847529f8 3279 o->metadata_global_manual = 1;
a7b5e841 3280 if (type_in == 's' || type_out == 's')
847529f8 3281 o->metadata_streams_manual = 1;
a7b5e841 3282 if (type_in == 'c' || type_out == 'c')
847529f8 3283 o->metadata_chapters_manual = 1;
6291d7e4 3284
a7b5e841
AK
3285#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3286 if ((index) < 0 || (index) >= (nb_elems)) {\
3287 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3288 (desc), (index));\
3289 exit_program(1);\
3290 }
3291
3292#define SET_DICT(type, meta, context, index)\
3293 switch (type) {\
3294 case 'g':\
3295 meta = &context->metadata;\
3296 break;\
3297 case 'c':\
3298 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3299 meta = &context->chapters[index]->metadata;\
3300 break;\
3301 case 'p':\
3302 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3303 meta = &context->programs[index]->metadata;\
3304 break;\
3305 }\
3306
3307 SET_DICT(type_in, meta_in, ic, idx_in);
3308 SET_DICT(type_out, meta_out, oc, idx_out);
3309
3310 /* for input streams choose first matching stream */
3311 if (type_in == 's') {
3312 for (i = 0; i < ic->nb_streams; i++) {
3313 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3314 meta_in = &ic->streams[i]->metadata;
3315 break;
3316 } else if (ret < 0)
3317 exit_program(1);
3318 }
3319 if (!meta_in) {
3320 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3321 exit_program(1);
3322 }
3323 }
3324
3325 if (type_out == 's') {
3326 for (i = 0; i < oc->nb_streams; i++) {
3327 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3328 meta_out = &oc->streams[i]->metadata;
3329 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3330 } else if (ret < 0)
3331 exit_program(1);
3332 }
3333 } else
3334 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3335
6291d7e4
AK
3336 return 0;
3337}
3338
1b648c7c 3339static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
169f0647
AK
3340{
3341 const char *codec_string = encoder ? "encoder" : "decoder";
3342 AVCodec *codec;
3343
169f0647
AK
3344 codec = encoder ?
3345 avcodec_find_encoder_by_name(name) :
3346 avcodec_find_decoder_by_name(name);
7636c8c6 3347 if (!codec) {
f24facd3 3348 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
169f0647
AK
3349 exit_program(1);
3350 }
7636c8c6 3351 if (codec->type != type) {
f24facd3 3352 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
169f0647
AK
3353 exit_program(1);
3354 }
1b648c7c 3355 return codec;
169f0647
AK
3356}
3357
1b648c7c 3358static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
169f0647 3359{
169f0647 3360 char *codec_name = NULL;
169f0647 3361
35e6f8c1 3362 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
1b648c7c
AK
3363 if (codec_name) {
3364 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3365 st->codec->codec_id = codec->id;
3366 return codec;
3367 } else
3368 return avcodec_find_decoder(st->codec->codec_id);
169f0647 3369}
6291d7e4 3370
88867844
AK
3371/**
3372 * Add all the streams from the given input file to the global
3373 * list of input streams.
3374 */
35e6f8c1 3375static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
88867844 3376{
c88d5319 3377 int i;
88867844
AK
3378
3379 for (i = 0; i < ic->nb_streams; i++) {
3380 AVStream *st = ic->streams[i];
3381 AVCodecContext *dec = st->codec;
2e215267 3382 InputStream *ist = av_mallocz(sizeof(*ist));
c9cc7629 3383 char *framerate = NULL;
2e215267
AK
3384
3385 if (!ist)
3386 exit_program(1);
88867844 3387
88867844 3388 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2e215267
AK
3389 input_streams[nb_input_streams - 1] = ist;
3390
88867844
AK
3391 ist->st = st;
3392 ist->file_index = nb_input_files;
3393 ist->discard = 1;
13f6917c 3394 st->discard = AVDISCARD_ALL;
88867844
AK
3395 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3396
059fb8c8
AK
3397 ist->ts_scale = 1.0;
3398 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
88867844 3399
1b648c7c 3400 ist->dec = choose_decoder(o, ic, st);
88867844
AK
3401
3402 switch (dec->codec_type) {
88867844 3403 case AVMEDIA_TYPE_VIDEO:
e77c8662
AK
3404 ist->resample_height = dec->height;
3405 ist->resample_width = dec->width;
3406 ist->resample_pix_fmt = dec->pix_fmt;
3407
c9cc7629
AK
3408 MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
3409 if (framerate && av_parse_video_rate(&ist->framerate,
3410 framerate) < 0) {
3411 av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
3412 framerate);
3413 exit_program(1);
3414 }
3415
88867844 3416 break;
13f6917c 3417 case AVMEDIA_TYPE_AUDIO:
369cb092
AK
3418 guess_input_channel_layout(ist);
3419
3420 ist->resample_sample_fmt = dec->sample_fmt;
3421 ist->resample_sample_rate = dec->sample_rate;
3422 ist->resample_channels = dec->channels;
3423 ist->resample_channel_layout = dec->channel_layout;
3424
3425 break;
88867844 3426 case AVMEDIA_TYPE_DATA:
88867844 3427 case AVMEDIA_TYPE_SUBTITLE:
88867844
AK
3428 case AVMEDIA_TYPE_ATTACHMENT:
3429 case AVMEDIA_TYPE_UNKNOWN:
3430 break;
3431 default:
3432 abort();
3433 }
3434 }
3435}
3436
a2c0b830
AK
3437static void assert_file_overwrite(const char *filename)
3438{
3439 if (!file_overwrite &&
3440 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3441 av_strstart(filename, "file:", NULL))) {
3442 if (avio_check(filename, 0) == 0) {
3443 if (!using_stdin) {
3444 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3445 fflush(stderr);
3446 if (!read_yesno()) {
3447 fprintf(stderr, "Not overwriting - exiting\n");
3448 exit_program(1);
3449 }
3450 }
3451 else {
3452 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3453 exit_program(1);
3454 }
3455 }
3456 }
3457}
3458
3459static void dump_attachment(AVStream *st, const char *filename)
3460{
3461 int ret;
3462 AVIOContext *out = NULL;
3463 AVDictionaryEntry *e;
3464
3465 if (!st->codec->extradata_size) {
3466 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3467 nb_input_files - 1, st->index);
3468 return;
3469 }
3470 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3471 filename = e->value;
3472 if (!*filename) {
3473 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3474 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3475 exit_program(1);
3476 }
3477
3478 assert_file_overwrite(filename);
3479
2abe947a 3480 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
a2c0b830
AK
3481 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3482 filename);
3483 exit_program(1);
3484 }
3485
3486 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3487 avio_flush(out);
3488 avio_close(out);
3489}
3490
575ec4e1 3491static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
6291d7e4
AK
3492{
3493 AVFormatContext *ic;
3494 AVInputFormat *file_iformat = NULL;
88867844 3495 int err, i, ret;
6291d7e4
AK
3496 int64_t timestamp;
3497 uint8_t buf[128];
3498 AVDictionary **opts;
3499 int orig_nb_streams; // number of streams before avformat_find_stream_info
3500
7041bb3b
AK
3501 if (o->format) {
3502 if (!(file_iformat = av_find_input_format(o->format))) {
e3245b26 3503 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
6291d7e4
AK
3504 exit_program(1);
3505 }
6291d7e4
AK
3506 }
3507
3508 if (!strcmp(filename, "-"))
3509 filename = "pipe:";
3510
3511 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3512 !strcmp(filename, "/dev/stdin");
3513
3514 /* get default parameters from command line */
3515 ic = avformat_alloc_context();
3516 if (!ic) {
3517 print_error(filename, AVERROR(ENOMEM));
3518 exit_program(1);
3519 }
e2469ccf
AK
3520 if (o->nb_audio_sample_rate) {
3521 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
6291d7e4
AK
3522 av_dict_set(&format_opts, "sample_rate", buf, 0);
3523 }
6a11686d 3524 if (o->nb_audio_channels) {
b1041f80
JR
3525 /* because we set audio_channels based on both the "ac" and
3526 * "channel_layout" options, we need to check that the specified
3527 * demuxer actually has the "channels" option before setting it */
3528 if (file_iformat && file_iformat->priv_class &&
3529 av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
3530 AV_OPT_SEARCH_FAKE_OBJ)) {
3531 snprintf(buf, sizeof(buf), "%d",
3532 o->audio_channels[o->nb_audio_channels - 1].u.i);
3533 av_dict_set(&format_opts, "channels", buf, 0);
3534 }
6291d7e4 3535 }
91ea4811 3536 if (o->nb_frame_rates) {
c9cc7629
AK
3537 /* set the format-level framerate option;
3538 * this is important for video grabbers, e.g. x11 */
3539 if (file_iformat && file_iformat->priv_class &&
3540 av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
3541 AV_OPT_SEARCH_FAKE_OBJ)) {
3542 av_dict_set(&format_opts, "framerate",
3543 o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3544 }
6291d7e4 3545 }
d4397b03
AK
3546 if (o->nb_frame_sizes) {
3547 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
6291d7e4 3548 }
b2254d83
AK
3549 if (o->nb_frame_pix_fmts)
3550 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
6291d7e4 3551
6291d7e4 3552 ic->flags |= AVFMT_FLAG_NONBLOCK;
2abe947a 3553 ic->interrupt_callback = int_cb;
6291d7e4
AK
3554
3555 /* open the input file with generic libav function */
3556 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3557 if (err < 0) {
3558 print_error(filename, err);