avconv: replace -vsync cfr code with the fps filter.
[libav.git] / avconv.c
CommitLineData
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1/*
2 * avconv main
3 * Copyright (c) 2000-2011 The libav developers.
4 *
5 * This file is part of Libav.
6 *
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#include "config.h"
23#include <ctype.h>
24#include <string.h>
25#include <math.h>
26#include <stdlib.h>
27#include <errno.h>
28#include <signal.h>
29#include <limits.h>
30#include <unistd.h>
31#include "libavformat/avformat.h"
32#include "libavdevice/avdevice.h"
33#include "libswscale/swscale.h"
bcb82fe1 34#include "libavresample/avresample.h"
6291d7e4 35#include "libavutil/opt.h"
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36#include "libavutil/audioconvert.h"
37#include "libavutil/parseutils.h"
38#include "libavutil/samplefmt.h"
39#include "libavutil/colorspace.h"
40#include "libavutil/fifo.h"
41#include "libavutil/intreadwrite.h"
42#include "libavutil/dict.h"
43#include "libavutil/mathematics.h"
44#include "libavutil/pixdesc.h"
45#include "libavutil/avstring.h"
46#include "libavutil/libm.h"
64dca32c 47#include "libavutil/imgutils.h"
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48#include "libavformat/os_support.h"
49
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50# include "libavfilter/avfilter.h"
51# include "libavfilter/avfiltergraph.h"
04a14d4d 52# include "libavfilter/buffersrc.h"
ac712309 53# include "libavfilter/buffersink.h"
6291d7e4 54# include "libavfilter/vsrc_buffer.h"
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55
56#if HAVE_SYS_RESOURCE_H
57#include <sys/types.h>
58#include <sys/time.h>
59#include <sys/resource.h>
60#elif HAVE_GETPROCESSTIMES
61#include <windows.h>
62#endif
63#if HAVE_GETPROCESSMEMORYINFO
64#include <windows.h>
65#include <psapi.h>
66#endif
67
68#if HAVE_SYS_SELECT_H
69#include <sys/select.h>
70#endif
71
72#include <time.h>
73
74#include "cmdutils.h"
75
76#include "libavutil/avassert.h"
77
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78#define VSYNC_AUTO -1
79#define VSYNC_PASSTHROUGH 0
80#define VSYNC_CFR 1
81#define VSYNC_VFR 2
82
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83const char program_name[] = "avconv";
84const int program_birth_year = 2000;
85
86/* select an input stream for an output stream */
87typedef struct StreamMap {
8d2e4a7e 88 int disabled; /** 1 is this mapping is disabled by a negative map */
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89 int file_index;
90 int stream_index;
91 int sync_file_index;
92 int sync_stream_index;
3b266da3 93 char *linklabel; /** name of an output link, for mapping lavfi outputs */
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94} StreamMap;
95
96/**
97 * select an input file for an output file
98 */
99typedef struct MetadataMap {
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100 int file; ///< file index
101 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
102 int index; ///< stream/chapter/program number
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103} MetadataMap;
104
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105static const OptionDef options[];
106
6291d7e4 107static int video_discard = 0;
f4ad238c 108static int same_quant = 0;
6291d7e4 109static int do_deinterlace = 0;
6291d7e4 110static int intra_dc_precision = 8;
6291d7e4 111static int qp_hist = 0;
6291d7e4 112
6291d7e4 113static int file_overwrite = 0;
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114static int do_benchmark = 0;
115static int do_hex_dump = 0;
116static int do_pkt_dump = 0;
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117static int do_pass = 0;
118static char *pass_logfilename_prefix = NULL;
e8c04f62 119static int video_sync_method = VSYNC_AUTO;
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120static int audio_sync_method = 0;
121static float audio_drift_threshold = 0.1;
122static int copy_ts = 0;
7bb3e625 123static int copy_tb = 1;
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124static int opt_shortest = 0;
125static char *vstats_filename;
126static FILE *vstats_file;
6291d7e4 127
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128static int audio_volume = 256;
129
130static int exit_on_error = 0;
131static int using_stdin = 0;
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132static int64_t video_size = 0;
133static int64_t audio_size = 0;
134static int64_t extra_size = 0;
135static int nb_frames_dup = 0;
136static int nb_frames_drop = 0;
137static int input_sync;
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138
139static float dts_delta_threshold = 10;
140
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141static int print_stats = 1;
142
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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;
149} InputFilter;
150
151typedef struct OutputFilter {
152 AVFilterContext *filter;
153 struct OutputStream *ost;
154 struct FilterGraph *graph;
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155
156 /* temporary storage until stream maps are processed */
157 AVFilterInOut *out_tmp;
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158} OutputFilter;
159
160typedef struct FilterGraph {
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161 int index;
162 const char *graph_desc;
163
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164 AVFilterGraph *graph;
165
166 InputFilter **inputs;
167 int nb_inputs;
168 OutputFilter **outputs;
169 int nb_outputs;
170} FilterGraph;
171
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172typedef struct FrameBuffer {
173 uint8_t *base[4];
174 uint8_t *data[4];
175 int linesize[4];
176
177 int h, w;
178 enum PixelFormat pix_fmt;
179
180 int refcount;
181 struct InputStream *ist;
182 struct FrameBuffer *next;
183} FrameBuffer;
184
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185typedef struct InputStream {
186 int file_index;
187 AVStream *st;
188 int discard; /* true if stream data should be discarded */
189 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
190 AVCodec *dec;
9179f27c 191 AVFrame *decoded_frame;
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192
193 int64_t start; /* time when read started */
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194 /* predicted dts of the next packet read for this stream or (when there are
195 * several frames in a packet) of the next frame in current packet */
196 int64_t next_dts;
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197 /* dts of the last packet read for this stream */
198 int64_t last_dts;
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199 PtsCorrectionContext pts_ctx;
200 double ts_scale;
201 int is_start; /* is 1 at the start and after a discontinuity */
202 int showed_multi_packet_warning;
203 AVDictionary *opts;
64dca32c 204
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205 int resample_height;
206 int resample_width;
207 int resample_pix_fmt;
208
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209 int resample_sample_fmt;
210 int resample_sample_rate;
211 int resample_channels;
212 uint64_t resample_channel_layout;
213
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214 /* a pool of free buffers for decoded data */
215 FrameBuffer *buffer_pool;
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216
217 /* decoded data from this stream goes into all those filters
0ad26cdf 218 * currently video and audio only */
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219 InputFilter **filters;
220 int nb_filters;
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221} InputStream;
222
223typedef struct InputFile {
224 AVFormatContext *ctx;
225 int eof_reached; /* true if eof reached */
226 int ist_index; /* index of first stream in ist_table */
227 int buffer_size; /* current total buffer size */
228 int64_t ts_offset;
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229 int nb_streams; /* number of stream that avconv is aware of; may be different
230 from ctx.nb_streams if new streams appear during av_read_frame() */
f4805328 231 int rate_emu;
6494c001 232} InputFile;
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233
234typedef struct OutputStream {
235 int file_index; /* file index */
236 int index; /* stream index in the output file */
237 int source_index; /* InputStream index */
238 AVStream *st; /* stream in the output file */
239 int encoding_needed; /* true if encoding needed for this stream */
240 int frame_number;
241 /* input pts and corresponding output pts
242 for A/V sync */
7636c8c6 243 // double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
6291d7e4 244 struct InputStream *sync_ist; /* input stream to sync against */
7636c8c6 245 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
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246 /* pts of the first frame encoded for this stream, used for limiting
247 * recording time */
248 int64_t first_pts;
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249 AVBitStreamFilterContext *bitstream_filters;
250 AVCodec *enc;
96139b5e 251 int64_t max_frames;
836ce905 252 AVFrame *filtered_frame;
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253
254 /* video only */
6291d7e4 255 AVRational frame_rate;
bef737a7 256 int force_fps;
828e0bcb 257 int top_field_first;
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258
259 float frame_aspect_ratio;
560f7774 260 float last_quality;
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261
262 /* forced key frames */
263 int64_t *forced_kf_pts;
264 int forced_kf_count;
265 int forced_kf_index;
266
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267 FILE *logfile;
268
560f7774 269 OutputFilter *filter;
6291d7e4 270 char *avfilter;
6291d7e4 271
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272 int64_t sws_flags;
273 AVDictionary *opts;
274 int is_past_recording_time;
275 int stream_copy;
276 const char *attachment_filename;
277 int copy_initial_nonkeyframes;
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278
279 enum PixelFormat pix_fmts[2];
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280} OutputStream;
281
6291d7e4 282
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283typedef struct OutputFile {
284 AVFormatContext *ctx;
285 AVDictionary *opts;
4288e031 286 int ost_index; /* index of the first stream in output_streams */
ef44a607 287 int64_t recording_time; /* desired length of the resulting file in microseconds */
ea065176 288 int64_t start_time; /* start time in microseconds */
f21f294e 289 uint64_t limit_filesize;
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290} OutputFile;
291
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292static InputStream **input_streams = NULL;
293static int nb_input_streams = 0;
294static InputFile **input_files = NULL;
295static int nb_input_files = 0;
6291d7e4 296
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297static OutputStream **output_streams = NULL;
298static int nb_output_streams = 0;
299static OutputFile **output_files = NULL;
300static int nb_output_files = 0;
af70aa45 301
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302static FilterGraph **filtergraphs;
303int nb_filtergraphs;
304
575ec4e1 305typedef struct OptionsContext {
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306 /* input/output options */
307 int64_t start_time;
7041bb3b 308 const char *format;
6b779ccc 309
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310 SpecifierOpt *codec_names;
311 int nb_codec_names;
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312 SpecifierOpt *audio_channels;
313 int nb_audio_channels;
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314 SpecifierOpt *audio_sample_rate;
315 int nb_audio_sample_rate;
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316 SpecifierOpt *frame_rates;
317 int nb_frame_rates;
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318 SpecifierOpt *frame_sizes;
319 int nb_frame_sizes;
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320 SpecifierOpt *frame_pix_fmts;
321 int nb_frame_pix_fmts;
35e6f8c1 322
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323 /* input options */
324 int64_t input_ts_offset;
f4805328 325 int rate_emu;
6b779ccc 326
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327 SpecifierOpt *ts_scale;
328 int nb_ts_scale;
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329 SpecifierOpt *dump_attachment;
330 int nb_dump_attachment;
33f75d72 331
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332 /* output options */
333 StreamMap *stream_maps;
334 int nb_stream_maps;
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335 /* first item specifies output metadata, second is input */
336 MetadataMap (*meta_data_maps)[2];
337 int nb_meta_data_maps;
338 int metadata_global_manual;
339 int metadata_streams_manual;
340 int metadata_chapters_manual;
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341 const char **attachments;
342 int nb_attachments;
6b779ccc 343
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344 int chapters_input_file;
345
6b779ccc 346 int64_t recording_time;
13ccba50 347 uint64_t limit_filesize;
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348 float mux_preload;
349 float mux_max_delay;
039267f1 350
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351 int video_disable;
352 int audio_disable;
353 int subtitle_disable;
354 int data_disable;
355
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356 /* indexed by output file stream index */
357 int *streamid_map;
358 int nb_streamid_map;
359
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360 SpecifierOpt *metadata;
361 int nb_metadata;
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362 SpecifierOpt *max_frames;
363 int nb_max_frames;
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364 SpecifierOpt *bitstream_filters;
365 int nb_bitstream_filters;
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366 SpecifierOpt *codec_tags;
367 int nb_codec_tags;
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368 SpecifierOpt *sample_fmts;
369 int nb_sample_fmts;
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370 SpecifierOpt *qscale;
371 int nb_qscale;
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372 SpecifierOpt *forced_key_frames;
373 int nb_forced_key_frames;
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374 SpecifierOpt *force_fps;
375 int nb_force_fps;
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376 SpecifierOpt *frame_aspect_ratios;
377 int nb_frame_aspect_ratios;
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378 SpecifierOpt *rc_overrides;
379 int nb_rc_overrides;
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380 SpecifierOpt *intra_matrices;
381 int nb_intra_matrices;
382 SpecifierOpt *inter_matrices;
383 int nb_inter_matrices;
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384 SpecifierOpt *top_field_first;
385 int nb_top_field_first;
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386 SpecifierOpt *metadata_map;
387 int nb_metadata_map;
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388 SpecifierOpt *presets;
389 int nb_presets;
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390 SpecifierOpt *copy_initial_nonkeyframes;
391 int nb_copy_initial_nonkeyframes;
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392 SpecifierOpt *filters;
393 int nb_filters;
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394} OptionsContext;
395
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396#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
397{\
398 int i, ret;\
399 for (i = 0; i < o->nb_ ## name; i++) {\
400 char *spec = o->name[i].specifier;\
401 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
402 outvar = o->name[i].u.type;\
403 else if (ret < 0)\
404 exit_program(1);\
405 }\
406}
407
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408static void reset_options(OptionsContext *o)
409{
410 const OptionDef *po = options;
3b266da3 411 int i;
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412
413 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
414 while (po->name) {
415 void *dst = (uint8_t*)o + po->u.off;
416
417 if (po->flags & OPT_SPEC) {
418 SpecifierOpt **so = dst;
419 int i, *count = (int*)(so + 1);
420 for (i = 0; i < *count; i++) {
421 av_freep(&(*so)[i].specifier);
422 if (po->flags & OPT_STRING)
423 av_freep(&(*so)[i].u.str);
424 }
425 av_freep(so);
426 *count = 0;
427 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
428 av_freep(dst);
429 po++;
430 }
431
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432 for (i = 0; i < o->nb_stream_maps; i++)
433 av_freep(&o->stream_maps[i].linklabel);
575ec4e1 434 av_freep(&o->stream_maps);
847529f8 435 av_freep(&o->meta_data_maps);
495ecfd1 436 av_freep(&o->streamid_map);
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437
438 memset(o, 0, sizeof(*o));
6b779ccc 439
dc26318c 440 o->mux_max_delay = 0.7;
6b779ccc 441 o->recording_time = INT64_MAX;
13ccba50 442 o->limit_filesize = UINT64_MAX;
c5bb372e 443 o->chapters_input_file = INT_MAX;
6b779ccc 444
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445 uninit_opts();
446 init_opts();
447}
448
bc1ef855 449static int alloc_buffer(InputStream *ist, AVCodecContext *s, FrameBuffer **pbuf)
64dca32c 450{
64dca32c 451 FrameBuffer *buf = av_mallocz(sizeof(*buf));
3715d841 452 int i, ret;
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453 const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
454 int h_chroma_shift, v_chroma_shift;
455 int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
456 int w = s->width, h = s->height;
457
458 if (!buf)
459 return AVERROR(ENOMEM);
460
461 if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
462 w += 2*edge;
463 h += 2*edge;
464 }
465
466 avcodec_align_dimensions(s, &w, &h);
467 if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
468 s->pix_fmt, 32)) < 0) {
469 av_freep(&buf);
470 return ret;
471 }
472 /* XXX this shouldn't be needed, but some tests break without this line
473 * those decoders are buggy and need to be fixed.
474 * the following tests fail:
f320fb89 475 * cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
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476 */
477 memset(buf->base[0], 128, ret);
478
479 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
3715d841 480 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
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481 const int h_shift = i==0 ? 0 : h_chroma_shift;
482 const int v_shift = i==0 ? 0 : v_chroma_shift;
483 if (s->flags & CODEC_FLAG_EMU_EDGE)
484 buf->data[i] = buf->base[i];
485 else
486 buf->data[i] = buf->base[i] +
487 FFALIGN((buf->linesize[i]*edge >> v_shift) +
488 (pixel_size*edge >> h_shift), 32);
489 }
490 buf->w = s->width;
491 buf->h = s->height;
492 buf->pix_fmt = s->pix_fmt;
493 buf->ist = ist;
494
495 *pbuf = buf;
496 return 0;
497}
498
499static void free_buffer_pool(InputStream *ist)
500{
501 FrameBuffer *buf = ist->buffer_pool;
502 while (buf) {
503 ist->buffer_pool = buf->next;
504 av_freep(&buf->base[0]);
505 av_free(buf);
506 buf = ist->buffer_pool;
507 }
508}
509
510static void unref_buffer(InputStream *ist, FrameBuffer *buf)
511{
512 av_assert0(buf->refcount);
513 buf->refcount--;
514 if (!buf->refcount) {
515 buf->next = ist->buffer_pool;
516 ist->buffer_pool = buf;
517 }
518}
519
520static int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
521{
522 InputStream *ist = s->opaque;
523 FrameBuffer *buf;
524 int ret, i;
525
bc1ef855 526 if (!ist->buffer_pool && (ret = alloc_buffer(ist, s, &ist->buffer_pool)) < 0)
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527 return ret;
528
529 buf = ist->buffer_pool;
530 ist->buffer_pool = buf->next;
531 buf->next = NULL;
532 if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
533 av_freep(&buf->base[0]);
534 av_free(buf);
bc1ef855 535 if ((ret = alloc_buffer(ist, s, &buf)) < 0)
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536 return ret;
537 }
538 buf->refcount++;
539
540 frame->opaque = buf;
541 frame->type = FF_BUFFER_TYPE_USER;
542 frame->extended_data = frame->data;
543 frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
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544 frame->width = buf->w;
545 frame->height = buf->h;
546 frame->format = buf->pix_fmt;
547 frame->sample_aspect_ratio = s->sample_aspect_ratio;
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548
549 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
550 frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
551 frame->data[i] = buf->data[i];
552 frame->linesize[i] = buf->linesize[i];
553 }
554
555 return 0;
556}
557
558static void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
559{
560 InputStream *ist = s->opaque;
561 FrameBuffer *buf = frame->opaque;
562 int i;
563
564 for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
565 frame->data[i] = NULL;
566
567 unref_buffer(ist, buf);
568}
569
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570static void filter_release_buffer(AVFilterBuffer *fb)
571{
572 FrameBuffer *buf = fb->priv;
573 av_free(fb);
574 unref_buffer(buf->ist, buf);
575}
576
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577/**
578 * Define a function for building a string containing a list of
579 * allowed formats,
580 */
581#define DEF_CHOOSE_FORMAT(type, var, supported_list, none, get_name, separator) \
582static char *choose_ ## var ## s(OutputStream *ost) \
583{ \
584 if (ost->st->codec->var != none) { \
585 get_name(ost->st->codec->var); \
586 return av_strdup(name); \
587 } else if (ost->enc->supported_list) { \
588 const type *p; \
589 AVIOContext *s = NULL; \
590 uint8_t *ret; \
591 int len; \
592 \
593 if (avio_open_dyn_buf(&s) < 0) \
594 exit_program(1); \
595 \
596 for (p = ost->enc->supported_list; *p != none; p++) { \
597 get_name(*p); \
598 avio_printf(s, "%s" separator, name); \
599 } \
600 len = avio_close_dyn_buf(s, &ret); \
601 ret[len - 1] = 0; \
602 return ret; \
603 } else \
604 return NULL; \
605}
606
607#define GET_PIX_FMT_NAME(pix_fmt)\
608 const char *name = av_get_pix_fmt_name(pix_fmt);
609
610DEF_CHOOSE_FORMAT(enum PixelFormat, pix_fmt, pix_fmts, PIX_FMT_NONE,
611 GET_PIX_FMT_NAME, ":")
612
613#define GET_SAMPLE_FMT_NAME(sample_fmt)\
614 const char *name = av_get_sample_fmt_name(sample_fmt)
615
616DEF_CHOOSE_FORMAT(enum AVSampleFormat, sample_fmt, sample_fmts,
617 AV_SAMPLE_FMT_NONE, GET_SAMPLE_FMT_NAME, ",")
618
619#define GET_SAMPLE_RATE_NAME(rate)\
620 char name[16];\
621 snprintf(name, sizeof(name), "%d", rate);
622
623DEF_CHOOSE_FORMAT(int, sample_rate, supported_samplerates, 0,
624 GET_SAMPLE_RATE_NAME, ",")
625
626#define GET_CH_LAYOUT_NAME(ch_layout)\
627 char name[16];\
628 snprintf(name, sizeof(name), "0x%"PRIx64, ch_layout);
629
630DEF_CHOOSE_FORMAT(uint64_t, channel_layout, channel_layouts, 0,
631 GET_CH_LAYOUT_NAME, ",")
632
633static int configure_audio_filters(FilterGraph *fg, AVFilterContext **in_filter,
634 AVFilterContext **out_filter)
b7327887 635{
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636 InputStream *ist = fg->inputs[0]->ist;
637 OutputStream *ost = fg->outputs[0]->ost;
638 AVCodecContext *codec = ost->st->codec;
639 AVCodecContext *icodec = ist->st->codec;
640 char *sample_fmts, *sample_rates, *channel_layouts;
641 char args[256];
642 int ret;
643
644 avfilter_graph_free(&fg->graph);
645 if (!(fg->graph = avfilter_graph_alloc()))
646 return AVERROR(ENOMEM);
647
648 snprintf(args, sizeof(args), "time_base=%d/%d:sample_rate=%d:sample_fmt=%s:"
649 "channel_layout=0x%"PRIx64, ist->st->time_base.num,
650 ist->st->time_base.den, icodec->sample_rate,
651 av_get_sample_fmt_name(icodec->sample_fmt), icodec->channel_layout);
652 ret = avfilter_graph_create_filter(&fg->inputs[0]->filter,
653 avfilter_get_by_name("abuffer"),
654 "src", args, NULL, fg->graph);
655 if (ret < 0)
656 return ret;
ac712309 657
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658 ret = avfilter_graph_create_filter(&fg->outputs[0]->filter,
659 avfilter_get_by_name("abuffersink"),
660 "out", NULL, NULL, fg->graph);
661 if (ret < 0)
ac712309 662 return ret;
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663
664 *in_filter = fg->inputs[0]->filter;
665 *out_filter = fg->outputs[0]->filter;
666
667 if (codec->channels && !codec->channel_layout)
668 codec->channel_layout = av_get_default_channel_layout(codec->channels);
669
670 sample_fmts = choose_sample_fmts(ost);
671 sample_rates = choose_sample_rates(ost);
672 channel_layouts = choose_channel_layouts(ost);
673 if (sample_fmts || sample_rates || channel_layouts) {
674 AVFilterContext *format;
675 char args[256];
676 int len = 0;
677
678 if (sample_fmts)
679 len += snprintf(args + len, sizeof(args) - len, "sample_fmts=%s:",
680 sample_fmts);
681 if (sample_rates)
682 len += snprintf(args + len, sizeof(args) - len, "sample_rates=%s:",
683 sample_rates);
684 if (channel_layouts)
685 len += snprintf(args + len, sizeof(args) - len, "channel_layouts=%s:",
686 channel_layouts);
687 args[len - 1] = 0;
688
689 av_freep(&sample_fmts);
690 av_freep(&sample_rates);
691 av_freep(&channel_layouts);
692
693 ret = avfilter_graph_create_filter(&format,
694 avfilter_get_by_name("aformat"),
695 "aformat", args, NULL, fg->graph);
696 if (ret < 0)
697 return ret;
698
699 ret = avfilter_link(format, 0, fg->outputs[0]->filter, 0);
700 if (ret < 0)
701 return ret;
702
703 *out_filter = format;
704 }
705
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706 if (audio_sync_method > 0) {
707 AVFilterContext *async;
708 char args[256];
709 int len = 0;
710
711 av_log(NULL, AV_LOG_WARNING, "-async has been deprecated. Used the "
712 "asyncts audio filter instead.\n");
713
714 if (audio_sync_method > 1)
715 len += snprintf(args + len, sizeof(args) - len, "compensate=1:"
716 "max_comp=%d:", audio_sync_method);
717 snprintf(args + len, sizeof(args) - len, "min_delta=%f",
718 audio_drift_threshold);
719
720 ret = avfilter_graph_create_filter(&async,
721 avfilter_get_by_name("asyncts"),
722 "async", args, NULL, fg->graph);
723 if (ret < 0)
724 return ret;
725
726 ret = avfilter_link(*in_filter, 0, async, 0);
727 if (ret < 0)
728 return ret;
729
730 *in_filter = async;
731 }
732
369cb092 733 return 0;
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734}
735
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736static int configure_video_filters(FilterGraph *fg, AVFilterContext **in_filter,
737 AVFilterContext **out_filter)
6291d7e4 738{
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739 InputStream *ist = fg->inputs[0]->ist;
740 OutputStream *ost = fg->outputs[0]->ost;
369cb092 741 AVFilterContext *filter;
6291d7e4 742 AVCodecContext *codec = ost->st->codec;
ac712309 743 char *pix_fmts;
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744 AVRational sample_aspect_ratio;
745 char args[255];
746 int ret;
747
7636c8c6 748 if (ist->st->sample_aspect_ratio.num) {
6291d7e4 749 sample_aspect_ratio = ist->st->sample_aspect_ratio;
7636c8c6 750 } else
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751 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
752
753 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
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754 ist->st->codec->height, ist->st->codec->pix_fmt,
755 ist->st->time_base.num, ist->st->time_base.den,
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756 sample_aspect_ratio.num, sample_aspect_ratio.den);
757
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758 ret = avfilter_graph_create_filter(&fg->inputs[0]->filter,
759 avfilter_get_by_name("buffer"),
760 "src", args, NULL, fg->graph);
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761 if (ret < 0)
762 return ret;
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763 ret = avfilter_graph_create_filter(&fg->outputs[0]->filter,
764 avfilter_get_by_name("buffersink"),
765 "out", NULL, NULL, fg->graph);
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766 if (ret < 0)
767 return ret;
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768 *in_filter = fg->inputs[0]->filter;
769 *out_filter = fg->outputs[0]->filter;
6291d7e4 770
6c9eac19 771 if (codec->width || codec->height) {
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772 snprintf(args, 255, "%d:%d:flags=0x%X",
773 codec->width,
774 codec->height,
3b3ea346 775 (unsigned)ost->sws_flags);
6291d7e4 776 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
560f7774 777 NULL, args, NULL, fg->graph)) < 0)
6291d7e4 778 return ret;
369cb092 779 if ((ret = avfilter_link(*in_filter, 0, filter, 0)) < 0)
6291d7e4 780 return ret;
369cb092 781 *in_filter = filter;
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782 }
783
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784 if (ost->frame_rate.num) {
785 snprintf(args, sizeof(args), "fps=%d/%d", ost->frame_rate.num,
786 ost->frame_rate.den);
787 ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("fps"),
788 "fps", args, NULL, fg->graph);
789 if (ret < 0)
790 return ret;
791
792 ret = avfilter_link(filter, 0, *out_filter, 0);
793 if (ret < 0)
794 return ret;
795 *out_filter = filter;
796 }
797
369cb092 798 if ((pix_fmts = choose_pix_fmts(ost))) {
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799 if ((ret = avfilter_graph_create_filter(&filter,
800 avfilter_get_by_name("format"),
801 "format", pix_fmts, NULL,
802 fg->graph)) < 0)
803 return ret;
369cb092 804 if ((ret = avfilter_link(filter, 0, *out_filter, 0)) < 0)
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805 return ret;
806
369cb092 807 *out_filter = filter;
ac712309 808 av_freep(&pix_fmts);
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809 }
810
3b3ea346 811 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
560f7774 812 fg->graph->scale_sws_opts = av_strdup(args);
6291d7e4 813
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814 return 0;
815}
816
817static int configure_simple_filtergraph(FilterGraph *fg)
818{
819 OutputStream *ost = fg->outputs[0]->ost;
820 AVFilterContext *in_filter, *out_filter;
821 int ret;
822
823 avfilter_graph_free(&fg->graph);
824 fg->graph = avfilter_graph_alloc();
825
826 switch (ost->st->codec->codec_type) {
827 case AVMEDIA_TYPE_VIDEO:
828 ret = configure_video_filters(fg, &in_filter, &out_filter);
829 break;
830 case AVMEDIA_TYPE_AUDIO:
831 ret = configure_audio_filters(fg, &in_filter, &out_filter);
832 break;
833 default: av_assert0(0);
834 }
835 if (ret < 0)
836 return ret;
837
6291d7e4 838 if (ost->avfilter) {
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839 AVFilterInOut *outputs = avfilter_inout_alloc();
840 AVFilterInOut *inputs = avfilter_inout_alloc();
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841
842 outputs->name = av_strdup("in");
ac712309 843 outputs->filter_ctx = in_filter;
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844 outputs->pad_idx = 0;
845 outputs->next = NULL;
846
847 inputs->name = av_strdup("out");
ac712309 848 inputs->filter_ctx = out_filter;
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849 inputs->pad_idx = 0;
850 inputs->next = NULL;
851
560f7774 852 if ((ret = avfilter_graph_parse(fg->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
6291d7e4 853 return ret;
6291d7e4 854 } else {
ac712309 855 if ((ret = avfilter_link(in_filter, 0, out_filter, 0)) < 0)
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856 return ret;
857 }
858
560f7774 859 if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0)
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860 return ret;
861
560f7774 862 ost->filter = fg->outputs[0];
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863
864 return 0;
865}
6291d7e4 866
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867static FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost)
868{
869 FilterGraph *fg = av_mallocz(sizeof(*fg));
870
871 if (!fg)
872 exit_program(1);
3b266da3 873 fg->index = nb_filtergraphs;
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874
875 fg->outputs = grow_array(fg->outputs, sizeof(*fg->outputs), &fg->nb_outputs,
876 fg->nb_outputs + 1);
877 if (!(fg->outputs[0] = av_mallocz(sizeof(*fg->outputs[0]))))
878 exit_program(1);
879 fg->outputs[0]->ost = ost;
880 fg->outputs[0]->graph = fg;
881
882 fg->inputs = grow_array(fg->inputs, sizeof(*fg->inputs), &fg->nb_inputs,
883 fg->nb_inputs + 1);
884 if (!(fg->inputs[0] = av_mallocz(sizeof(*fg->inputs[0]))))
885 exit_program(1);
886 fg->inputs[0]->ist = ist;
887 fg->inputs[0]->graph = fg;
888
889 ist->filters = grow_array(ist->filters, sizeof(*ist->filters),
890 &ist->nb_filters, ist->nb_filters + 1);
891 ist->filters[ist->nb_filters - 1] = fg->inputs[0];
892
893 filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs),
894 &nb_filtergraphs, nb_filtergraphs + 1);
895 filtergraphs[nb_filtergraphs - 1] = fg;
896
897 return fg;
898}
899
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900static void init_input_filter(FilterGraph *fg, AVFilterInOut *in)
901{
902 InputStream *ist;
903 enum AVMediaType type = in->filter_ctx->input_pads[in->pad_idx].type;
904 int i;
905
906 // TODO: support other filter types
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907 if (type != AVMEDIA_TYPE_VIDEO && type != AVMEDIA_TYPE_AUDIO) {
908 av_log(NULL, AV_LOG_FATAL, "Only video and audio filters supported "
909 "currently.\n");
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910 exit_program(1);
911 }
912
913 if (in->name) {
914 AVFormatContext *s;
915 AVStream *st = NULL;
916 char *p;
917 int file_idx = strtol(in->name, &p, 0);
918
1381081c 919 if (file_idx < 0 || file_idx >= nb_input_files) {
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920 av_log(NULL, AV_LOG_FATAL, "Invalid file index %d in filtegraph description %s.\n",
921 file_idx, fg->graph_desc);
922 exit_program(1);
923 }
924 s = input_files[file_idx]->ctx;
925
926 for (i = 0; i < s->nb_streams; i++) {
927 if (s->streams[i]->codec->codec_type != type)
928 continue;
929 if (check_stream_specifier(s, s->streams[i], *p == ':' ? p + 1 : p) == 1) {
930 st = s->streams[i];
931 break;
932 }
933 }
934 if (!st) {
935 av_log(NULL, AV_LOG_FATAL, "Stream specifier '%s' in filtergraph description %s "
936 "matches no streams.\n", p, fg->graph_desc);
937 exit_program(1);
938 }
939 ist = input_streams[input_files[file_idx]->ist_index + st->index];
940 } else {
941 /* find the first unused stream of corresponding type */
942 for (i = 0; i < nb_input_streams; i++) {
943 ist = input_streams[i];
944 if (ist->st->codec->codec_type == type && ist->discard)
945 break;
946 }
947 if (i == nb_input_streams) {
948 av_log(NULL, AV_LOG_FATAL, "Cannot find a matching stream for "
949 "unlabeled input pad %d on filter %s", in->pad_idx,
950 in->filter_ctx->name);
951 exit_program(1);
952 }
953 }
954 ist->discard = 0;
955 ist->decoding_needed = 1;
956 ist->st->discard = AVDISCARD_NONE;
957
958 fg->inputs = grow_array(fg->inputs, sizeof(*fg->inputs),
959 &fg->nb_inputs, fg->nb_inputs + 1);
960 if (!(fg->inputs[fg->nb_inputs - 1] = av_mallocz(sizeof(*fg->inputs[0]))))
961 exit_program(1);
962 fg->inputs[fg->nb_inputs - 1]->ist = ist;
963 fg->inputs[fg->nb_inputs - 1]->graph = fg;
964
965 ist->filters = grow_array(ist->filters, sizeof(*ist->filters),
966 &ist->nb_filters, ist->nb_filters + 1);
967 ist->filters[ist->nb_filters - 1] = fg->inputs[fg->nb_inputs - 1];
968}
969
0ad26cdf 970static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
3b266da3 971{
ac712309 972 char *pix_fmts;
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973 AVCodecContext *codec = ofilter->ost->st->codec;
974 AVFilterContext *last_filter = out->filter_ctx;
975 int pad_idx = out->pad_idx;
976 int ret;
977
3b266da3 978
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979 ret = avfilter_graph_create_filter(&ofilter->filter,
980 avfilter_get_by_name("buffersink"),
981 "out", NULL, pix_fmts, fg->graph);
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982 if (ret < 0)
983 return ret;
984
985 if (codec->width || codec->height) {
986 char args[255];
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987 AVFilterContext *filter;
988
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989 snprintf(args, sizeof(args), "%d:%d:flags=0x%X",
990 codec->width,
991 codec->height,
992 (unsigned)ofilter->ost->sws_flags);
ac712309 993 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
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994 NULL, args, NULL, fg->graph)) < 0)
995 return ret;
ac712309 996 if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0)
3b266da3 997 return ret;
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998
999 last_filter = filter;
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1000 pad_idx = 0;
1001 }
1002
369cb092 1003 if ((pix_fmts = choose_pix_fmts(ofilter->ost))) {
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1004 AVFilterContext *filter;
1005 if ((ret = avfilter_graph_create_filter(&filter,
1006 avfilter_get_by_name("format"),
1007 "format", pix_fmts, NULL,
1008 fg->graph)) < 0)
1009 return ret;
1010 if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0)
1011 return ret;
1012
1013 last_filter = filter;
1014 pad_idx = 0;
1015 av_freep(&pix_fmts);
1016 }
1017
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1018 if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0)
1019 return ret;
1020
1021 return 0;
1022}
1023
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1024static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
1025{
1026 OutputStream *ost = ofilter->ost;
1027 AVCodecContext *codec = ost->st->codec;
1028 AVFilterContext *last_filter = out->filter_ctx;
1029 int pad_idx = out->pad_idx;
1030 char *sample_fmts, *sample_rates, *channel_layouts;
1031 int ret;
1032
1033 ret = avfilter_graph_create_filter(&ofilter->filter,
1034 avfilter_get_by_name("abuffersink"),
1035 "out", NULL, NULL, fg->graph);
1036 if (ret < 0)
1037 return ret;
1038
1039 if (codec->channels && !codec->channel_layout)
1040 codec->channel_layout = av_get_default_channel_layout(codec->channels);
1041
1042 sample_fmts = choose_sample_fmts(ost);
1043 sample_rates = choose_sample_rates(ost);
1044 channel_layouts = choose_channel_layouts(ost);
1045 if (sample_fmts || sample_rates || channel_layouts) {
1046 AVFilterContext *format;
1047 char args[256];
1048 int len = 0;
1049
1050 if (sample_fmts)
1051 len += snprintf(args + len, sizeof(args) - len, "sample_fmts=%s:",
1052 sample_fmts);
1053 if (sample_rates)
1054 len += snprintf(args + len, sizeof(args) - len, "sample_rates=%s:",
1055 sample_rates);
1056 if (channel_layouts)
1057 len += snprintf(args + len, sizeof(args) - len, "channel_layouts=%s:",
1058 channel_layouts);
1059 args[len - 1] = 0;
1060
1061 av_freep(&sample_fmts);
1062 av_freep(&sample_rates);
1063 av_freep(&channel_layouts);
1064
1065 ret = avfilter_graph_create_filter(&format,
1066 avfilter_get_by_name("aformat"),
1067 "aformat", args, NULL, fg->graph);
1068 if (ret < 0)
1069 return ret;
1070
1071 ret = avfilter_link(last_filter, pad_idx, format, 0);
1072 if (ret < 0)
1073 return ret;
1074
1075 last_filter = format;
1076 pad_idx = 0;
1077 }
1078
1079 if (audio_sync_method > 0) {
1080 AVFilterContext *async;
1081 char args[256];
1082 int len = 0;
1083
1084 av_log(NULL, AV_LOG_WARNING, "-async has been deprecated. Used the "
1085 "asyncts audio filter instead.\n");
1086
1087 if (audio_sync_method > 1)
1088 len += snprintf(args + len, sizeof(args) - len, "compensate=1:"
1089 "max_comp=%d:", audio_sync_method);
1090 snprintf(args + len, sizeof(args) - len, "min_delta=%f",
1091 audio_drift_threshold);
1092
1093 ret = avfilter_graph_create_filter(&async,
1094 avfilter_get_by_name("asyncts"),
1095 "async", args, NULL, fg->graph);
1096 if (ret < 0)
1097 return ret;
1098
1099 ret = avfilter_link(last_filter, pad_idx, async, 0);
1100 if (ret < 0)
1101 return ret;
1102
1103 last_filter = async;
1104 pad_idx = 0;
1105 }
1106
1107 if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0)
1108 return ret;
1109
1110 return 0;
1111}
1112
1113static int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
1114{
1115 switch (out->filter_ctx->output_pads[out->pad_idx].type) {
1116 case AVMEDIA_TYPE_VIDEO: return configure_output_video_filter(fg, ofilter, out);
1117 case AVMEDIA_TYPE_AUDIO: return configure_output_audio_filter(fg, ofilter, out);
1118 default: av_assert0(0);
1119 }
1120}
1121
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1122static int configure_complex_filter(FilterGraph *fg)
1123{
1124 AVFilterInOut *inputs, *outputs, *cur;
1125 int ret, i, init = !fg->graph;
1126
1127 avfilter_graph_free(&fg->graph);
1128 if (!(fg->graph = avfilter_graph_alloc()))
1129 return AVERROR(ENOMEM);
1130
1131 if ((ret = avfilter_graph_parse2(fg->graph, fg->graph_desc, &inputs, &outputs)) < 0)
1132 return ret;
1133
1134 for (cur = inputs; init && cur; cur = cur->next)
1135 init_input_filter(fg, cur);
1136
1137 for (cur = inputs, i = 0; cur; cur = cur->next, i++) {
1138 InputFilter *ifilter = fg->inputs[i];
1139 InputStream *ist = ifilter->ist;
1140 AVRational sar;
0ad26cdf 1141 AVFilter *filter;
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1142 char args[255];
1143
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1144 switch (cur->filter_ctx->input_pads[cur->pad_idx].type) {
1145 case AVMEDIA_TYPE_VIDEO:
1146 sar = ist->st->sample_aspect_ratio.num ?
1147 ist->st->sample_aspect_ratio :
1148 ist->st->codec->sample_aspect_ratio;
1149 snprintf(args, sizeof(args), "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
1150 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
1151 sar.num, sar.den);
1152 filter = avfilter_get_by_name("buffer");
1153 break;
1154 case AVMEDIA_TYPE_AUDIO:
1155 snprintf(args, sizeof(args), "time_base=%d/%d:sample_rate=%d:"
1156 "sample_fmt=%s:channel_layout=0x%"PRIx64,
1157 ist->st->time_base.num, ist->st->time_base.den,
1158 ist->st->codec->sample_rate,
1159 av_get_sample_fmt_name(ist->st->codec->sample_fmt),
1160 ist->st->codec->channel_layout);
1161 filter = avfilter_get_by_name("abuffer");
1162 break;
1163 default:
1164 av_assert0(0);
1165 }
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1166
1167 if ((ret = avfilter_graph_create_filter(&ifilter->filter,
0ad26cdf 1168 filter, cur->name,
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1169 args, NULL, fg->graph)) < 0)
1170 return ret;
1171 if ((ret = avfilter_link(ifilter->filter, 0,
1172 cur->filter_ctx, cur->pad_idx)) < 0)
1173 return ret;
1174 }
1175 avfilter_inout_free(&inputs);
1176
1177 if (!init) {
1178 /* we already know the mappings between lavfi outputs and output streams,
1179 * so we can finish the setup */
1180 for (cur = outputs, i = 0; cur; cur = cur->next, i++)
1181 configure_output_filter(fg, fg->outputs[i], cur);
1182 avfilter_inout_free(&outputs);
1183
1184 if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0)
1185 return ret;
1186 } else {
1187 /* wait until output mappings are processed */
1188 for (cur = outputs; cur;) {
1189 fg->outputs = grow_array(fg->outputs, sizeof(*fg->outputs),
1190 &fg->nb_outputs, fg->nb_outputs + 1);
1191 if (!(fg->outputs[fg->nb_outputs - 1] = av_mallocz(sizeof(*fg->outputs[0]))))
1192 exit_program(1);
1193 fg->outputs[fg->nb_outputs - 1]->graph = fg;
1194 fg->outputs[fg->nb_outputs - 1]->out_tmp = cur;
1195 cur = cur->next;
1196 fg->outputs[fg->nb_outputs - 1]->out_tmp->next = NULL;
1197 }
1198 }
1199
1200 return 0;
1201}
1202
1203static int configure_complex_filters(void)
1204{
1205 int i, ret = 0;
1206
1207 for (i = 0; i < nb_filtergraphs; i++)
1208 if (!filtergraphs[i]->graph &&
1209 (ret = configure_complex_filter(filtergraphs[i])) < 0)
1210 return ret;
1211 return 0;
1212}
1213
1214static int configure_filtergraph(FilterGraph *fg)
1215{
369cb092
AK
1216 return fg->graph_desc ? configure_complex_filter(fg) :
1217 configure_simple_filtergraph(fg);
3b266da3
AK
1218}
1219
1220static int ist_in_filtergraph(FilterGraph *fg, InputStream *ist)
1221{
1222 int i;
1223 for (i = 0; i < fg->nb_inputs; i++)
1224 if (fg->inputs[i]->ist == ist)
1225 return 1;
1226 return 0;
1227}
1228
6291d7e4
AK
1229static void term_exit(void)
1230{
1231 av_log(NULL, AV_LOG_QUIET, "");
1232}
1233
1234static volatile int received_sigterm = 0;
1235static volatile int received_nb_signals = 0;
1236
1237static void
1238sigterm_handler(int sig)
1239{
1240 received_sigterm = sig;
1241 received_nb_signals++;
1242 term_exit();
1243}
1244
1245static void term_init(void)
1246{
7636c8c6 1247 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
6291d7e4
AK
1248 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
1249#ifdef SIGXCPU
1250 signal(SIGXCPU, sigterm_handler);
1251#endif
1252}
1253
2abe947a 1254static int decode_interrupt_cb(void *ctx)
6291d7e4
AK
1255{
1256 return received_nb_signals > 1;
1257}
1258
2abe947a
MS
1259static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
1260
dad09ff9 1261void exit_program(int ret)
6291d7e4 1262{
560f7774
AK
1263 int i, j;
1264
1265 for (i = 0; i < nb_filtergraphs; i++) {
1266 avfilter_graph_free(&filtergraphs[i]->graph);
1267 for (j = 0; j < filtergraphs[i]->nb_inputs; j++)
1268 av_freep(&filtergraphs[i]->inputs[j]);
1269 av_freep(&filtergraphs[i]->inputs);
1270 for (j = 0; j < filtergraphs[i]->nb_outputs; j++)
1271 av_freep(&filtergraphs[i]->outputs[j]);
1272 av_freep(&filtergraphs[i]->outputs);
1273 av_freep(&filtergraphs[i]);
1274 }
1275 av_freep(&filtergraphs);
6291d7e4
AK
1276
1277 /* close files */
7636c8c6 1278 for (i = 0; i < nb_output_files; i++) {
2e215267 1279 AVFormatContext *s = output_files[i]->ctx;
6291d7e4
AK
1280 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
1281 avio_close(s->pb);
1282 avformat_free_context(s);
2e215267
AK
1283 av_dict_free(&output_files[i]->opts);
1284 av_freep(&output_files[i]);
6291d7e4 1285 }
1135a071 1286 for (i = 0; i < nb_output_streams; i++) {
2e215267 1287 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
1135a071
JG
1288 while (bsfc) {
1289 AVBitStreamFilterContext *next = bsfc->next;
1290 av_bitstream_filter_close(bsfc);
1291 bsfc = next;
1292 }
2e215267 1293 output_streams[i]->bitstream_filters = NULL;
ac646076 1294
2e215267 1295 av_freep(&output_streams[i]->avfilter);
836ce905 1296 av_freep(&output_streams[i]->filtered_frame);
2e215267 1297 av_freep(&output_streams[i]);
1135a071 1298 }
7636c8c6 1299 for (i = 0; i < nb_input_files; i++) {
2e215267
AK
1300 avformat_close_input(&input_files[i]->ctx);
1301 av_freep(&input_files[i]);
6291d7e4 1302 }
9179f27c 1303 for (i = 0; i < nb_input_streams; i++) {
2e215267 1304 av_freep(&input_streams[i]->decoded_frame);
2e215267
AK
1305 av_dict_free(&input_streams[i]->opts);
1306 free_buffer_pool(input_streams[i]);
560f7774 1307 av_freep(&input_streams[i]->filters);
2e215267 1308 av_freep(&input_streams[i]);
9179f27c 1309 }
6291d7e4 1310
6291d7e4
AK
1311 if (vstats_file)
1312 fclose(vstats_file);
1313 av_free(vstats_filename);
1314
6291d7e4
AK
1315 av_freep(&input_streams);
1316 av_freep(&input_files);
4288e031 1317 av_freep(&output_streams);
af70aa45 1318 av_freep(&output_files);
6291d7e4 1319
6291d7e4 1320 uninit_opts();
6291d7e4 1321
6291d7e4 1322 avfilter_uninit();
776f2bb9 1323 avformat_network_deinit();
6291d7e4
AK
1324
1325 if (received_sigterm) {
e3245b26
AK
1326 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
1327 (int) received_sigterm);
6291d7e4
AK
1328 exit (255);
1329 }
1330
f75e3d25 1331 exit(ret);
6291d7e4
AK
1332}
1333
1334static void assert_avoptions(AVDictionary *m)
1335{
1336 AVDictionaryEntry *t;
1337 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
f24facd3 1338 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
6291d7e4
AK
1339 exit_program(1);
1340 }
1341}
1342
1343static void assert_codec_experimental(AVCodecContext *c, int encoder)
1344{
1345 const char *codec_string = encoder ? "encoder" : "decoder";
1346 AVCodec *codec;
1347 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
1348 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
f24facd3 1349 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
6291d7e4
AK
1350 "results.\nAdd '-strict experimental' if you want to use it.\n",
1351 codec_string, c->codec->name);
1352 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
1353 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
f24facd3 1354 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
6291d7e4
AK
1355 codec_string, codec->name);
1356 exit_program(1);
1357 }
1358}
1359
6291d7e4
AK
1360/**
1361 * Update the requested input sample format based on the output sample format.
1362 * This is currently only used to request float output from decoders which
1363 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
1364 * Ideally this will be removed in the future when decoders do not do format
1365 * conversion and only output in their native format.
1366 */
1367static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
1368 AVCodecContext *enc)
1369{
1370 /* if sample formats match or a decoder sample format has already been
1371 requested, just return */
1372 if (enc->sample_fmt == dec->sample_fmt ||
1373 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
1374 return;
1375
1376 /* if decoder supports more than one output format */
1377 if (dec_codec && dec_codec->sample_fmts &&
1378 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
1379 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
1380 const enum AVSampleFormat *p;
1381 int min_dec = -1, min_inc = -1;
1382
1383 /* find a matching sample format in the encoder */
1384 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
1385 if (*p == enc->sample_fmt) {
1386 dec->request_sample_fmt = *p;
1387 return;
1388 } else if (*p > enc->sample_fmt) {
1389 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
1390 } else
1391 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
1392 }
1393
1394 /* if none match, provide the one that matches quality closest */
1395 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
1396 enc->sample_fmt - min_dec;
1397 }
1398}
1399
f15f02c2 1400static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
7636c8c6 1401{
f15f02c2
AK
1402 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
1403 AVCodecContext *avctx = ost->st->codec;
6291d7e4
AK
1404 int ret;
1405
99932847
AK
1406 /*
1407 * Audio encoders may split the packets -- #frames in != #packets out.
1408 * But there is no reordering, so we can limit the number of output packets
1409 * by simply dropping them here.
1410 * Counting encoded video frames needs to be done separately because of
1411 * reordering, see do_video_out()
1412 */
1413 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
c9594fe0
JR
1414 if (ost->frame_number >= ost->max_frames) {
1415 av_free_packet(pkt);
99932847 1416 return;
c9594fe0 1417 }
99932847
AK
1418 ost->frame_number++;
1419 }
1420
7636c8c6
AD
1421 while (bsfc) {
1422 AVPacket new_pkt = *pkt;
1423 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
1424 &new_pkt.data, &new_pkt.size,
1425 pkt->data, pkt->size,
1426 pkt->flags & AV_PKT_FLAG_KEY);
1427 if (a > 0) {
6291d7e4 1428 av_free_packet(pkt);
7636c8c6
AD
1429 new_pkt.destruct = av_destruct_packet;
1430 } else if (a < 0) {
e3245b26
AK
1431 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
1432 bsfc->filter->name, pkt->stream_index,
1433 avctx->codec ? avctx->codec->name : "copy");
6291d7e4
AK
1434 print_error("", a);
1435 if (exit_on_error)
1436 exit_program(1);
1437 }
7636c8c6 1438 *pkt = new_pkt;
6291d7e4 1439
7636c8c6 1440 bsfc = bsfc->next;
6291d7e4
AK
1441 }
1442
61a09968 1443 pkt->stream_index = ost->index;
7636c8c6
AD
1444 ret = av_interleaved_write_frame(s, pkt);
1445 if (ret < 0) {
6291d7e4
AK
1446 print_error("av_interleaved_write_frame()", ret);
1447 exit_program(1);
1448 }
1449}
1450
1270e12e
AK
1451static int check_recording_time(OutputStream *ost)
1452{
2e215267 1453 OutputFile *of = output_files[ost->file_index];
1270e12e
AK
1454
1455 if (of->recording_time != INT64_MAX &&
1456 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
1457 AV_TIME_BASE_Q) >= 0) {
1458 ost->is_past_recording_time = 1;
1459 return 0;
1460 }
1461 return 1;
1462}
1463
369cb092
AK
1464static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1465 AVFrame *frame)
ee458cb1
JR
1466{
1467 AVCodecContext *enc = ost->st->codec;
ee458cb1 1468 AVPacket pkt;
369cb092 1469 int got_packet = 0;
ee458cb1
JR
1470
1471 av_init_packet(&pkt);
1472 pkt.data = NULL;
1473 pkt.size = 0;
1474
369cb092
AK
1475 if (!check_recording_time(ost))
1476 return;
1270e12e 1477
369cb092 1478 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
9b9fc9ba 1479 frame->pts = ost->sync_opts;
369cb092 1480 ost->sync_opts = frame->pts + frame->nb_samples;
ee458cb1 1481
ee458cb1
JR
1482 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
1483 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1484 exit_program(1);
1485 }
1486
1487 if (got_packet) {
ee458cb1
JR
1488 if (pkt.pts != AV_NOPTS_VALUE)
1489 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
a75bc764
JR
1490 if (pkt.dts != AV_NOPTS_VALUE)
1491 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
ee458cb1
JR
1492 if (pkt.duration > 0)
1493 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1494
1495 write_frame(s, &pkt, ost);
1496
1497 audio_size += pkt.size;
1498 }
6291d7e4
AK
1499}
1500
1501static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1502{
1503 AVCodecContext *dec;
1504 AVPicture *picture2;
1505 AVPicture picture_tmp;
1506 uint8_t *buf = 0;
1507
1508 dec = ist->st->codec;
1509
1510 /* deinterlace : must be done before any resize */
1511 if (do_deinterlace) {
1512 int size;
1513
1514 /* create temporary picture */
1515 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
7636c8c6 1516 buf = av_malloc(size);
6291d7e4
AK
1517 if (!buf)
1518 return;
1519
1520 picture2 = &picture_tmp;
1521 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1522
7636c8c6 1523 if (avpicture_deinterlace(picture2, picture,
6291d7e4
AK
1524 dec->pix_fmt, dec->width, dec->height) < 0) {
1525 /* if error, do not deinterlace */
e3245b26 1526 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
6291d7e4
AK
1527 av_free(buf);
1528 buf = NULL;
1529 picture2 = picture;
1530 }
1531 } else {
1532 picture2 = picture;
1533 }
1534
1535 if (picture != picture2)
1536 *picture = *picture2;
1537 *bufp = buf;
1538}
1539
6291d7e4
AK
1540static void do_subtitle_out(AVFormatContext *s,
1541 OutputStream *ost,
1542 InputStream *ist,
1543 AVSubtitle *sub,
1544 int64_t pts)
1545{
1546 static uint8_t *subtitle_out = NULL;
1547 int subtitle_out_max_size = 1024 * 1024;
1548 int subtitle_out_size, nb, i;
1549 AVCodecContext *enc;
1550 AVPacket pkt;
1551
1552 if (pts == AV_NOPTS_VALUE) {
e3245b26 1553 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
6291d7e4
AK
1554 if (exit_on_error)
1555 exit_program(1);
1556 return;
1557 }
1558
1559 enc = ost->st->codec;
1560
1561 if (!subtitle_out) {
1562 subtitle_out = av_malloc(subtitle_out_max_size);
1563 }
1564
1565 /* Note: DVB subtitle need one packet to draw them and one other
1566 packet to clear them */
1567 /* XXX: signal it in the codec context ? */
1568 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1569 nb = 2;
1570 else
1571 nb = 1;
1572
7636c8c6 1573 for (i = 0; i < nb; i++) {
1270e12e
AK
1574 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
1575 if (!check_recording_time(ost))
1576 return;
1577
6291d7e4
AK
1578 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1579 // start_display_time is required to be 0
7636c8c6
AD
1580 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1581 sub->end_display_time -= sub->start_display_time;
6291d7e4
AK
1582 sub->start_display_time = 0;
1583 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1584 subtitle_out_max_size, sub);
1585 if (subtitle_out_size < 0) {
e3245b26 1586 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
6291d7e4
AK
1587 exit_program(1);
1588 }
1589
1590 av_init_packet(&pkt);
6291d7e4
AK
1591 pkt.data = subtitle_out;
1592 pkt.size = subtitle_out_size;
7636c8c6 1593 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
6291d7e4
AK
1594 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1595 /* XXX: the pts correction is handled here. Maybe handling
1596 it in the codec would be better */
1597 if (i == 0)
1598 pkt.pts += 90 * sub->start_display_time;
1599 else
1600 pkt.pts += 90 * sub->end_display_time;
1601 }
f15f02c2 1602 write_frame(s, &pkt, ost);
6291d7e4
AK
1603 }
1604}
1605
87ef060c
AC
1606static void do_video_out(AVFormatContext *s,
1607 OutputStream *ost,
87ef060c
AC
1608 AVFrame *in_picture,
1609 int *frame_size, float quality)
1610{
74b961db
AK
1611 int ret, format_video_sync;
1612 AVPacket pkt;
1613 AVCodecContext *enc = ost->st->codec;
87ef060c
AC
1614
1615 *frame_size = 0;
1616
553735f5 1617 format_video_sync = video_sync_method;
e8c04f62
AK
1618 if (format_video_sync == VSYNC_AUTO)
1619 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
1620 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
74b961db
AK
1621 if (format_video_sync != VSYNC_PASSTHROUGH &&
1622 ost->frame_number &&
1623 in_picture->pts != AV_NOPTS_VALUE &&
1624 in_picture->pts < ost->sync_opts) {
d43040e2
AK
1625 nb_frames_drop++;
1626 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
87ef060c 1627 return;
d43040e2 1628 }
87ef060c 1629
74b961db
AK
1630 if (in_picture->pts == AV_NOPTS_VALUE)
1631 in_picture->pts = ost->sync_opts;
1632 ost->sync_opts = in_picture->pts;
1633
1634
1270e12e 1635 if (!ost->frame_number)
74b961db 1636 ost->first_pts = in_picture->pts;
1270e12e 1637
6291d7e4 1638 av_init_packet(&pkt);
8e37038a
AK
1639 pkt.data = NULL;
1640 pkt.size = 0;
6291d7e4 1641
74b961db
AK
1642 if (!check_recording_time(ost) ||
1643 ost->frame_number >= ost->max_frames)
1270e12e
AK
1644 return;
1645
150ddbc1
MR
1646 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1647 enc->codec->id == CODEC_ID_RAWVIDEO) {
6291d7e4 1648 /* raw pictures are written as AVPicture structure to
bb337b4f 1649 avoid any copies. We support temporarily the older
6291d7e4 1650 method. */
f593628e
AC
1651 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1652 enc->coded_frame->top_field_first = in_picture->top_field_first;
4648fe63 1653 pkt.data = (uint8_t *)in_picture;
7636c8c6 1654 pkt.size = sizeof(AVPicture);
74b961db 1655 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
6291d7e4
AK
1656 pkt.flags |= AV_PKT_FLAG_KEY;
1657
f15f02c2 1658 write_frame(s, &pkt, ost);
6291d7e4 1659 } else {
8e37038a 1660 int got_packet;
6291d7e4
AK
1661 AVFrame big_picture;
1662
4648fe63 1663 big_picture = *in_picture;
6291d7e4
AK
1664 /* better than nothing: use input picture interlaced
1665 settings */
1666 big_picture.interlaced_frame = in_picture->interlaced_frame;
1667 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
828e0bcb 1668 if (ost->top_field_first == -1)
6291d7e4
AK
1669 big_picture.top_field_first = in_picture->top_field_first;
1670 else
828e0bcb 1671 big_picture.top_field_first = !!ost->top_field_first;
6291d7e4
AK
1672 }
1673
f4ad238c 1674 /* handles same_quant here. This is not correct because it may
6291d7e4
AK
1675 not be a global option */
1676 big_picture.quality = quality;
d242d80e 1677 if (!enc->me_threshold)
6291d7e4 1678 big_picture.pict_type = 0;
6291d7e4
AK
1679 if (ost->forced_kf_index < ost->forced_kf_count &&
1680 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1681 big_picture.pict_type = AV_PICTURE_TYPE_I;
1682 ost->forced_kf_index++;
1683 }
8e37038a 1684 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
6291d7e4 1685 if (ret < 0) {
e3245b26 1686 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
6291d7e4
AK
1687 exit_program(1);
1688 }
1689
8e37038a
AK
1690 if (got_packet) {
1691 if (pkt.pts != AV_NOPTS_VALUE)
1692 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1693 if (pkt.dts != AV_NOPTS_VALUE)
1694 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
6291d7e4 1695
f15f02c2 1696 write_frame(s, &pkt, ost);
39da3b22
AK
1697 *frame_size = pkt.size;
1698 video_size += pkt.size;
324fbadf 1699
6291d7e4
AK
1700 /* if two pass, output log */
1701 if (ost->logfile && enc->stats_out) {
1702 fprintf(ost->logfile, "%s", enc->stats_out);
1703 }
1704 }
1705 }
1706 ost->sync_opts++;
99932847
AK
1707 /*
1708 * For video, number of frames in == number of packets out.
1709 * But there may be reordering, so we can't throw away frames on encoder
1710 * flush, we need to limit them here, before they go into encoder.
1711 */
1712 ost->frame_number++;
6291d7e4
AK
1713}
1714
7636c8c6
AD
1715static double psnr(double d)
1716{
1717 return -10.0 * log(d) / log(10.0);
6291d7e4
AK
1718}
1719
1720static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1721 int frame_size)
1722{
1723 AVCodecContext *enc;
1724 int frame_number;
1725 double ti1, bitrate, avg_bitrate;
1726
1727 /* this is executed just the first time do_video_stats is called */
1728 if (!vstats_file) {
1729 vstats_file = fopen(vstats_filename, "w");
1730 if (!vstats_file) {
1731 perror("fopen");
1732 exit_program(1);
1733 }
1734 }
1735
1736 enc = ost->st->codec;
1737 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1738 frame_number = ost->frame_number;
7636c8c6 1739 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
6291d7e4 1740 if (enc->flags&CODEC_FLAG_PSNR)
7636c8c6 1741 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
6291d7e4
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1742
1743 fprintf(vstats_file,"f_size= %6d ", frame_size);
1744 /* compute pts value */
1745 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1746 if (ti1 < 0.01)
1747 ti1 = 0.01;
1748
7636c8c6 1749 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
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AK
1750 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1751 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
7636c8c6 1752 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
6291d7e4
AK
1753 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1754 }
1755}
1756
560f7774
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1757/* check for new output on any of the filtergraphs */
1758static int poll_filters(void)
1759{
1760 AVFilterBufferRef *picref;
1761 AVFrame *filtered_frame = NULL;
ac712309 1762 int i, frame_size;
560f7774
AK
1763
1764 for (i = 0; i < nb_output_streams; i++) {
1765 OutputStream *ost = output_streams[i];
1766 OutputFile *of = output_files[ost->file_index];
369cb092 1767 int ret = 0;
560f7774
AK
1768
1769 if (!ost->filter || ost->is_past_recording_time)
1770 continue;
1771
1772 if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
1773 return AVERROR(ENOMEM);
1774 } else
1775 avcodec_get_frame_defaults(ost->filtered_frame);
1776 filtered_frame = ost->filtered_frame;
1777
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1778 while (ret >= 0) {
1779 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
1780 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
1781 ret = av_buffersink_read_samples(ost->filter->filter, &picref,
1782 ost->st->codec->frame_size);
1783 else
1784 ret = av_buffersink_read(ost->filter->filter, &picref);
1785
1786 if (ret < 0)
1787 break;
1788
ac712309 1789 avfilter_copy_buf_props(filtered_frame, picref);
74b961db 1790 if (picref->pts != AV_NOPTS_VALUE)
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1791 filtered_frame->pts = av_rescale_q(picref->pts,
1792 ost->filter->filter->inputs[0]->time_base,
1793 ost->st->codec->time_base) -
1794 av_rescale_q(of->start_time,
1795 AV_TIME_BASE_Q,
1796 ost->st->codec->time_base);
560f7774 1797
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1798 if (of->start_time && filtered_frame->pts < of->start_time) {
1799 avfilter_unref_buffer(picref);
1800 continue;
1801 }
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1802
1803 switch (ost->filter->filter->inputs[0]->type) {
1804 case AVMEDIA_TYPE_VIDEO:
1805 if (!ost->frame_aspect_ratio)
1806 ost->st->codec->sample_aspect_ratio = picref->video->pixel_aspect;
1807
1808 do_video_out(of->ctx, ost, filtered_frame, &frame_size,
1809 same_quant ? ost->last_quality :
1810 ost->st->codec->global_quality);
1811 if (vstats_filename && frame_size)
1812 do_video_stats(of->ctx, ost, frame_size);
1813 break;
369cb092
AK
1814 case AVMEDIA_TYPE_AUDIO:
1815 do_audio_out(of->ctx, ost, filtered_frame);
1816 break;
560f7774 1817 default:
369cb092 1818 // TODO support subtitle filters
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AK
1819 av_assert0(0);
1820 }
1821
1822 avfilter_unref_buffer(picref);
1823 }
1824 }
1825 return 0;
1826}
1827
ea9367e9 1828static void print_report(int is_last_report, int64_t timer_start)
6291d7e4
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1829{
1830 char buf[1024];
1831 OutputStream *ost;
1832 AVFormatContext *oc;
1833 int64_t total_size;
1834 AVCodecContext *enc;
1835 int frame_number, vid, i;
1836 double bitrate, ti1, pts;
1837 static int64_t last_time = -1;
1838 static int qp_histogram[52];
1839
3460dd8a
AK
1840 if (!print_stats && !is_last_report)
1841 return;
1842
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1843 if (!is_last_report) {
1844 int64_t cur_time;
1845 /* display the report every 0.5 seconds */
1846 cur_time = av_gettime();
1847 if (last_time == -1) {
1848 last_time = cur_time;
1849 return;
1850 }
1851 if ((cur_time - last_time) < 500000)
1852 return;
1853 last_time = cur_time;
1854 }
1855
1856
2e215267 1857 oc = output_files[0]->ctx;
6291d7e4
AK
1858
1859 total_size = avio_size(oc->pb);
7636c8c6
AD
1860 if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too
1861 total_size = avio_tell(oc->pb);
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AK
1862
1863 buf[0] = '\0';
1864 ti1 = 1e10;
1865 vid = 0;
ea9367e9 1866 for (i = 0; i < nb_output_streams; i++) {
6291d7e4 1867 float q = -1;
2e215267 1868 ost = output_streams[i];
6291d7e4 1869 enc = ost->st->codec;
3d813e4c 1870 if (!ost->stream_copy && enc->coded_frame)
7636c8c6 1871 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
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1872 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1873 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1874 }
1875 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
7636c8c6 1876 float t = (av_gettime() - timer_start) / 1000000.0;
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AK
1877
1878 frame_number = ost->frame_number;
1879 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
7636c8c6
AD
1880 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
1881 if (is_last_report)
6291d7e4 1882 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
7636c8c6 1883 if (qp_hist) {
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AK
1884 int j;
1885 int qp = lrintf(q);
7636c8c6 1886 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
6291d7e4 1887 qp_histogram[qp]++;
7636c8c6
AD
1888 for (j = 0; j < 32; j++)
1889 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
6291d7e4 1890 }
7636c8c6 1891 if (enc->flags&CODEC_FLAG_PSNR) {
6291d7e4 1892 int j;
7636c8c6
AD
1893 double error, error_sum = 0;
1894 double scale, scale_sum = 0;
1895 char type[3] = { 'Y','U','V' };
6291d7e4 1896 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
7636c8c6
AD
1897 for (j = 0; j < 3; j++) {
1898 if (is_last_report) {
1899 error = enc->error[j];
1900 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1901 } else {
1902 error = enc->coded_frame->error[j];
1903 scale = enc->width * enc->height * 255.0 * 255.0;
6291d7e4 1904 }
7636c8c6
AD
1905 if (j)
1906 scale /= 4;
6291d7e4
AK
1907 error_sum += error;
1908 scale_sum += scale;
7636c8c6 1909 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
6291d7e4 1910 }
7636c8c6 1911 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
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AK
1912 }
1913 vid = 1;
1914 }
1915 /* compute min output value */
1916 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1917 if ((pts < ti1) && (pts > 0))
1918 ti1 = pts;
1919 }
1920 if (ti1 < 0.01)
1921 ti1 = 0.01;
1922
e3245b26 1923 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
6291d7e4 1924
e3245b26 1925 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
6291d7e4
AK
1926 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1927 (double)total_size / 1024, ti1, bitrate);
1928
e3245b26
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1929 if (nb_frames_dup || nb_frames_drop)
1930 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1931 nb_frames_dup, nb_frames_drop);
6291d7e4 1932
f5646a32 1933 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
6291d7e4 1934
e3245b26 1935 fflush(stderr);
6291d7e4 1936
e3245b26 1937 if (is_last_report) {
6291d7e4 1938 int64_t raw= audio_size + video_size + extra_size;
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AK
1939 av_log(NULL, AV_LOG_INFO, "\n");
1940 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
7636c8c6
AD
1941 video_size / 1024.0,
1942 audio_size / 1024.0,
1943 extra_size / 1024.0,
1944 100.0 * (total_size - raw) / raw
6291d7e4
AK
1945 );
1946 }
1947}
1948
ea9367e9 1949static void flush_encoders(void)
4a4ce2e7
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1950{
1951 int i, ret;
1952
ea9367e9 1953 for (i = 0; i < nb_output_streams; i++) {
2e215267 1954 OutputStream *ost = output_streams[i];
6f1c66d5 1955 AVCodecContext *enc = ost->st->codec;
2e215267 1956 AVFormatContext *os = output_files[ost->file_index]->ctx;
ee458cb1 1957 int stop_encoding = 0;
6f1c66d5 1958
b62b5cb6 1959 if (!ost->encoding_needed)
6f1c66d5
AK
1960 continue;
1961
7636c8c6 1962 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
6f1c66d5 1963 continue;
150ddbc1 1964 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
6f1c66d5
AK
1965 continue;
1966
7636c8c6 1967 for (;;) {
369cb092
AK
1968 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1969 const char *desc;
1970 int64_t *size;
6f1c66d5
AK
1971
1972 switch (ost->st->codec->codec_type) {
1973 case AVMEDIA_TYPE_AUDIO:
369cb092
AK
1974 encode = avcodec_encode_audio2;
1975 desc = "Audio";
1976 size = &audio_size;
6f1c66d5
AK
1977 break;
1978 case AVMEDIA_TYPE_VIDEO:
369cb092
AK
1979 encode = avcodec_encode_video2;
1980 desc = "Video";
1981 size = &video_size;
1982 break;
1983 default:
1984 stop_encoding = 1;
1985 }
1986
1987 if (encode) {
1988 AVPacket pkt;
1989 int got_packet;
1990 av_init_packet(&pkt);
1991 pkt.data = NULL;
1992 pkt.size = 0;
1993
1994 ret = encode(enc, &pkt, NULL, &got_packet);
6f1c66d5 1995 if (ret < 0) {
369cb092 1996 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
6f1c66d5
AK
1997 exit_program(1);
1998 }
369cb092 1999 *size += ret;
6f1c66d5
AK
2000 if (ost->logfile && enc->stats_out) {
2001 fprintf(ost->logfile, "%s", enc->stats_out);
2002 }
8e37038a 2003 if (!got_packet) {
ee458cb1
JR
2004 stop_encoding = 1;
2005 break;
2006 }
8e37038a
AK
2007 if (pkt.pts != AV_NOPTS_VALUE)
2008 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
2009 if (pkt.dts != AV_NOPTS_VALUE)
2010 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
ee458cb1 2011 write_frame(os, &pkt, ost);
4a4ce2e7 2012 }
369cb092 2013
ee458cb1 2014 if (stop_encoding)
6f1c66d5 2015 break;
4a4ce2e7
AK
2016 }
2017 }
2018}
2019
7204ec1a
AK
2020/*
2021 * Check whether a packet from ist should be written into ost at this time
2022 */
2023static int check_output_constraints(InputStream *ist, OutputStream *ost)
2024{
2e215267
AK
2025 OutputFile *of = output_files[ost->file_index];
2026 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
7204ec1a
AK
2027
2028 if (ost->source_index != ist_index)
2029 return 0;
2030
23576b3f 2031 if (of->start_time && ist->last_dts < of->start_time)
7204ec1a
AK
2032 return 0;
2033
7204ec1a
AK
2034 return 1;
2035}
2036
2037static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
2038{
2e215267 2039 OutputFile *of = output_files[ost->file_index];
7204ec1a
AK
2040 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
2041 AVPacket opkt;
2042
2043 av_init_packet(&opkt);
2044
2045 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
2046 !ost->copy_initial_nonkeyframes)
2047 return;
2048
1270e12e 2049 if (of->recording_time != INT64_MAX &&
23576b3f 2050 ist->last_dts >= of->recording_time + of->start_time) {
1270e12e
AK
2051 ost->is_past_recording_time = 1;
2052 return;
2053 }
2054
7204ec1a
AK
2055 /* force the input stream PTS */
2056 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
2057 audio_size += pkt->size;
2058 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2059 video_size += pkt->size;
2060 ost->sync_opts++;
2061 }
2062
7204ec1a
AK
2063 if (pkt->pts != AV_NOPTS_VALUE)
2064 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
2065 else
2066 opkt.pts = AV_NOPTS_VALUE;
2067
2068 if (pkt->dts == AV_NOPTS_VALUE)
23576b3f 2069 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
7204ec1a
AK
2070 else
2071 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
2072 opkt.dts -= ost_tb_start_time;
2073
2074 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
2075 opkt.flags = pkt->flags;
2076
7636c8c6
AD
2077 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
2078 if ( ost->st->codec->codec_id != CODEC_ID_H264
7204ec1a
AK
2079 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
2080 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
ae5a9355 2081 && ost->st->codec->codec_id != CODEC_ID_VC1
7204ec1a
AK
2082 ) {
2083 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
2084 opkt.destruct = av_destruct_packet;
2085 } else {
2086 opkt.data = pkt->data;
2087 opkt.size = pkt->size;
2088 }
2089
f15f02c2 2090 write_frame(of->ctx, &opkt, ost);
7204ec1a 2091 ost->st->codec->frame_number++;
7204ec1a
AK
2092 av_free_packet(&opkt);
2093}
2094
2a651b71
AK
2095static void rate_emu_sleep(InputStream *ist)
2096{
2e215267 2097 if (input_files[ist->file_index]->rate_emu) {
23576b3f 2098 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
2a651b71
AK
2099 int64_t now = av_gettime() - ist->start;
2100 if (pts > now)
2101 usleep(pts - now);
2102 }
2103}
2104
369cb092
AK
2105static int guess_input_channel_layout(InputStream *ist)
2106{
2107 AVCodecContext *dec = ist->st->codec;
2108
2109 if (!dec->channel_layout) {
2110 char layout_name[256];
2111
2112 dec->channel_layout = av_get_default_channel_layout(dec->channels);
2113 if (!dec->channel_layout)
2114 return 0;
2115 av_get_channel_layout_string(layout_name, sizeof(layout_name),
2116 dec->channels, dec->channel_layout);
2117 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
2118 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
2119 }
2120 return 1;
2121}
2122
ded28ba3
AK
2123static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
2124{
d1241ff3
JR
2125 AVFrame *decoded_frame;
2126 AVCodecContext *avctx = ist->st->codec;
ded28ba3 2127 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
369cb092 2128 int i, ret, resample_changed;
ded28ba3 2129
9179f27c 2130 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
d1241ff3 2131 return AVERROR(ENOMEM);
9179f27c
JR
2132 else
2133 avcodec_get_frame_defaults(ist->decoded_frame);
2134 decoded_frame = ist->decoded_frame;
ded28ba3 2135
d1241ff3
JR
2136 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
2137 if (ret < 0) {
ded28ba3 2138 return ret;
d1241ff3 2139 }
ded28ba3 2140
ded28ba3
AK
2141 if (!*got_output) {
2142 /* no audio frame */
369cb092
AK
2143 if (!pkt->size)
2144 for (i = 0; i < ist->nb_filters; i++)
2145 av_buffersrc_buffer(ist->filters[i]->filter, NULL);
af8ad892 2146 return ret;
ded28ba3
AK
2147 }
2148
d1241ff3
JR
2149 /* if the decoder provides a pts, use it instead of the last packet pts.
2150 the decoder could be delaying output by a packet or more. */
2151 if (decoded_frame->pts != AV_NOPTS_VALUE)
3101bb66 2152 ist->next_dts = decoded_frame->pts;
369cb092
AK
2153 else if (pkt->pts != AV_NOPTS_VALUE) {
2154 decoded_frame->pts = pkt->pts;
2155 pkt->pts = AV_NOPTS_VALUE;
2156 }
ded28ba3
AK
2157
2158 // preprocess audio (volume)
2159 if (audio_volume != 256) {
d1241ff3
JR
2160 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
2161 void *samples = decoded_frame->data[0];
2162 switch (avctx->sample_fmt) {
ded28ba3
AK
2163 case AV_SAMPLE_FMT_U8:
2164 {
2165 uint8_t *volp = samples;
2166 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2167 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
2168 *volp++ = av_clip_uint8(v);
2169 }
2170 break;
2171 }
2172 case AV_SAMPLE_FMT_S16:
2173 {
2174 int16_t *volp = samples;
2175 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2176 int v = ((*volp) * audio_volume + 128) >> 8;
2177 *volp++ = av_clip_int16(v);
2178 }
2179 break;
2180 }
2181 case AV_SAMPLE_FMT_S32:
2182 {
2183 int32_t *volp = samples;
2184 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2185 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
2186 *volp++ = av_clipl_int32(v);
2187 }
2188 break;
2189 }
2190 case AV_SAMPLE_FMT_FLT:
2191 {
2192 float *volp = samples;
2193 float scale = audio_volume / 256.f;
2194 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2195 *volp++ *= scale;
2196 }
2197 break;
2198 }
2199 case AV_SAMPLE_FMT_DBL:
2200 {
2201 double *volp = samples;
2202 double scale = audio_volume / 256.;
2203 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2204 *volp++ *= scale;
2205 }
2206 break;
2207 }
2208 default:
2209 av_log(NULL, AV_LOG_FATAL,
2210 "Audio volume adjustment on sample format %s is not supported.\n",
2211 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
2212 exit_program(1);
2213 }
2214 }
2215
2216 rate_emu_sleep(ist);
2217
369cb092
AK
2218 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
2219 ist->resample_channels != avctx->channels ||
2220 ist->resample_channel_layout != decoded_frame->channel_layout ||
2221 ist->resample_sample_rate != decoded_frame->sample_rate;
2222 if (resample_changed) {
2223 char layout1[64], layout2[64];
ded28ba3 2224
369cb092
AK
2225 if (!guess_input_channel_layout(ist)) {
2226 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
2227 "layout for Input Stream #%d.%d\n", ist->file_index,
2228 ist->st->index);
2229 exit_program(1);
2230 }
2231 decoded_frame->channel_layout = avctx->channel_layout;
2232
2233 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
2234 ist->resample_channel_layout);
2235 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
2236 decoded_frame->channel_layout);
2237
2238 av_log(NULL, AV_LOG_INFO,
2239 "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",
2240 ist->file_index, ist->st->index,
2241 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
2242 ist->resample_channels, layout1,
2243 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
2244 avctx->channels, layout2);
2245
2246 ist->resample_sample_fmt = decoded_frame->format;
2247 ist->resample_sample_rate = decoded_frame->sample_rate;
2248 ist->resample_channel_layout = decoded_frame->channel_layout;
2249 ist->resample_channels = avctx->channels;
2250
2251 for (i = 0; i < nb_filtergraphs; i++)
2252 if (ist_in_filtergraph(filtergraphs[i], ist) &&
2253 configure_filtergraph(filtergraphs[i]) < 0) {
2254 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2255 exit_program(1);
2256 }
ded28ba3 2257 }
110d2af2 2258
369cb092
AK
2259 for (i = 0; i < ist->nb_filters; i++)
2260 av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
2261
af8ad892 2262 return ret;
ded28ba3
AK
2263}
2264
74b961db 2265static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output)
45d4b66f 2266{
560f7774 2267 AVFrame *decoded_frame;
45d4b66f 2268 void *buffer_to_free = NULL;
e77c8662 2269 int i, ret = 0, resample_changed;
45d4b66f 2270 float quality;
45d4b66f 2271
9179f27c 2272 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
45d4b66f 2273 return AVERROR(ENOMEM);
9179f27c
JR
2274 else
2275 avcodec_get_frame_defaults(ist->decoded_frame);
2276 decoded_frame = ist->decoded_frame;
45d4b66f
AK
2277
2278 ret = avcodec_decode_video2(ist->st->codec,
2279 decoded_frame, got_output, pkt);
2280 if (ret < 0)
9179f27c 2281 return ret;
45d4b66f
AK
2282
2283 quality = same_quant ? decoded_frame->quality : 0;
2284 if (!*got_output) {
2285 /* no picture yet */
89605e4a
AK
2286 if (!pkt->size)
2287 for (i = 0; i < ist->nb_filters; i++)
2288 av_buffersrc_buffer(ist->filters[i]->filter, NULL);
af8ad892 2289 return ret;
45d4b66f 2290 }
b34856a1
AK
2291 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
2292 decoded_frame->pkt_dts);
45d4b66f
AK
2293 pkt->size = 0;
2294 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
2295
2296 rate_emu_sleep(ist);
2297
695ec04e
AK
2298 if (ist->st->sample_aspect_ratio.num)
2299 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
2300
e77c8662
AK
2301 resample_changed = ist->resample_width != decoded_frame->width ||
2302 ist->resample_height != decoded_frame->height ||
2303 ist->resample_pix_fmt != decoded_frame->format;
2304 if (resample_changed) {
2305 av_log(NULL, AV_LOG_INFO,
2306 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
2307 ist->file_index, ist->st->index,
2308 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
2309 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
2310
2311 ist->resample_width = decoded_frame->width;
2312 ist->resample_height = decoded_frame->height;
2313 ist->resample_pix_fmt = decoded_frame->format;
e77c8662 2314
3b266da3
AK
2315 for (i = 0; i < nb_filtergraphs; i++)
2316 if (ist_in_filtergraph(filtergraphs[i], ist) &&
2317 configure_filtergraph(filtergraphs[i]) < 0) {
ac646076
AK
2318 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2319 exit_program(1);
3b266da3
AK
2320 }
2321 }
ac646076 2322
3b266da3 2323 for (i = 0; i < ist->nb_filters; i++) {
560f7774
AK
2324 // XXX what an ugly hack
2325 if (ist->filters[i]->graph->nb_outputs == 1)
2326 ist->filters[i]->graph->outputs[0]->ost->last_quality = quality;
2327
04a14d4d
AK
2328 if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
2329 FrameBuffer *buf = decoded_frame->opaque;
2330 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
2331 decoded_frame->data, decoded_frame->linesize,
2332 AV_PERM_READ | AV_PERM_PRESERVE,
2333 ist->st->codec->width, ist->st->codec->height,
2334 ist->st->codec->pix_fmt);
2335
2336 avfilter_copy_frame_props(fb, decoded_frame);
04a14d4d
AK
2337 fb->buf->priv = buf;
2338 fb->buf->free = filter_release_buffer;
2339
2340 buf->refcount++;
560f7774 2341 av_buffersrc_buffer(ist->filters[i]->filter, fb);
04a14d4d 2342 } else
720c6b78 2343 av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
45d4b66f
AK
2344 }
2345
45d4b66f 2346 av_free(buffer_to_free);
45d4b66f
AK
2347 return ret;
2348}
2349
9595234c
AK
2350static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2351{
2352 AVSubtitle subtitle;
2353 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2354 &subtitle, got_output, pkt);
2355 if (ret < 0)
2356 return ret;
2357 if (!*got_output)
af8ad892 2358 return ret;
9595234c
AK
2359
2360 rate_emu_sleep(ist);
2361
2362 for (i = 0; i < nb_output_streams; i++) {
2e215267 2363 OutputStream *ost = output_streams[i];
9595234c
AK
2364
2365 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2366 continue;
2367
2e215267 2368 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
9595234c
AK
2369 }
2370
2371 avsubtitle_free(&subtitle);
af8ad892 2372 return ret;
9595234c
AK
2373}
2374
6291d7e4 2375/* pkt = NULL means EOF (needed to flush decoder buffers) */
ea9367e9 2376static int output_packet(InputStream *ist, const AVPacket *pkt)
6291d7e4 2377{
ffa0674e 2378 int i;
6291d7e4 2379 int got_output;
6291d7e4 2380 AVPacket avpkt;
6291d7e4 2381
3101bb66 2382 if (ist->next_dts == AV_NOPTS_VALUE)
23576b3f 2383 ist->next_dts = ist->last_dts;
6291d7e4
AK
2384
2385 if (pkt == NULL) {
2386 /* EOF handling */
2387 av_init_packet(&avpkt);
2388 avpkt.data = NULL;
2389 avpkt.size = 0;
2390 goto handle_eof;
2391 } else {
2392 avpkt = *pkt;
2393 }
2394
7636c8c6 2395 if (pkt->dts != AV_NOPTS_VALUE)
23576b3f 2396 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
6291d7e4 2397
7636c8c6 2398 // while we have more to decode or while the decoder did output something on EOF
2a651b71 2399 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
ffa0674e 2400 int ret = 0;
6291d7e4 2401 handle_eof:
6291d7e4 2402
23576b3f 2403 ist->last_dts = ist->next_dts;
8b0268a8
AK
2404
2405 if (avpkt.size && avpkt.size != pkt->size) {
e3245b26
AK
2406 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2407 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
8b0268a8
AK
2408 ist->showed_multi_packet_warning = 1;
2409 }
6291d7e4 2410
7636c8c6 2411 switch (ist->st->codec->codec_type) {
82963f8f
AK
2412 case AVMEDIA_TYPE_AUDIO:
2413 ret = transcode_audio (ist, &avpkt, &got_output);
2414 break;
2415 case AVMEDIA_TYPE_VIDEO:
74b961db 2416 ret = transcode_video (ist, &avpkt, &got_output);
b34856a1
AK
2417 if (avpkt.duration)
2418 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
722410ad
AK
2419 else if (ist->st->r_frame_rate.num)
2420 ist->next_dts += av_rescale_q(1, (AVRational){ist->st->r_frame_rate.den,
2421 ist->st->r_frame_rate.num},
2422 AV_TIME_BASE_Q);
b34856a1
AK
2423 else if (ist->st->codec->time_base.num != 0) {
2424 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
2425 ist->st->codec->ticks_per_frame;
2426 ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q);
2427 }
82963f8f
AK
2428 break;
2429 case AVMEDIA_TYPE_SUBTITLE:
2430 ret = transcode_subtitles(ist, &avpkt, &got_output);
2431 break;
78162b4e
AK
2432 default:
2433 return -1;
2434 }
6291d7e4 2435
d3c1d37a
AK
2436 if (ret < 0)
2437 return ret;
aa38cff2
JG
2438 // touch data and size only if not EOF
2439 if (pkt) {
2440 avpkt.data += ret;
2441 avpkt.size -= ret;
2442 }
82963f8f 2443 if (!got_output) {
af8ad892 2444 continue;
82963f8f 2445 }
6291d7e4 2446 }
6291d7e4 2447
7204ec1a 2448 /* handle stream copy */
2a651b71
AK
2449 if (!ist->decoding_needed) {
2450 rate_emu_sleep(ist);
23576b3f 2451 ist->last_dts = ist->next_dts;
2a651b71
AK
2452 switch (ist->st->codec->codec_type) {
2453 case AVMEDIA_TYPE_AUDIO:
3101bb66 2454 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2a651b71
AK
2455 ist->st->codec->sample_rate;
2456 break;
2457 case AVMEDIA_TYPE_VIDEO:
2458 if (ist->st->codec->time_base.num != 0) {
7636c8c6 2459 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
3101bb66 2460 ist->next_dts += ((int64_t)AV_TIME_BASE *
2a651b71
AK
2461 ist->st->codec->time_base.num * ticks) /
2462 ist->st->codec->time_base.den;
2463 }
2464 break;
2465 }
2466 }
ea9367e9 2467 for (i = 0; pkt && i < nb_output_streams; i++) {
2e215267 2468 OutputStream *ost = output_streams[i];
7204ec1a
AK
2469
2470 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2471 continue;
2472
2473 do_streamcopy(ist, ost, pkt);
2474 }
2475
6291d7e4
AK
2476 return 0;
2477}
2478
ea9367e9 2479static void print_sdp(void)
6291d7e4
AK
2480{
2481 char sdp[2048];
af70aa45 2482 int i;
ea9367e9 2483 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
af70aa45
AK
2484
2485 if (!avc)
2486 exit_program(1);
ea9367e9 2487 for (i = 0; i < nb_output_files; i++)
2e215267 2488 avc[i] = output_files[i]->ctx;
6291d7e4 2489
ea9367e9 2490 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
6291d7e4
AK
2491 printf("SDP:\n%s\n", sdp);
2492 fflush(stdout);
af70aa45 2493 av_freep(&avc);
6291d7e4
AK
2494}
2495
ea9367e9 2496static int init_input_stream(int ist_index, char *error, int error_len)
630902a1
AK
2497{
2498 int i;
2e215267 2499 InputStream *ist = input_streams[ist_index];
630902a1
AK
2500 if (ist->decoding_needed) {
2501 AVCodec *codec = ist->dec;
630902a1 2502 if (!codec) {
9a414d89 2503 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
630902a1
AK
2504 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2505 return AVERROR(EINVAL);
2506 }
2507
2508 /* update requested sample format for the decoder based on the
2509 corresponding encoder sample format */
2510 for (i = 0; i < nb_output_streams; i++) {
2e215267 2511 OutputStream *ost = output_streams[i];
630902a1
AK
2512 if (ost->source_index == ist_index) {
2513 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2514 break;
2515 }
2516 }
2517
64dca32c
AK
2518 if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
2519 ist->st->codec->get_buffer = codec_get_buffer;
2520 ist->st->codec->release_buffer = codec_release_buffer;
2521 ist->st->codec->opaque = ist;
2522 }
2523
2473a45c
JG
2524 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2525 av_dict_set(&ist->opts, "threads", "auto", 0);
630902a1 2526 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
9a414d89 2527 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
630902a1
AK
2528 ist->file_index, ist->st->index);
2529 return AVERROR(EINVAL);
2530 }
2531 assert_codec_experimental(ist->st->codec, 0);
2532 assert_avoptions(ist->opts);
2533 }
2534
23576b3f 2535 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 2536 ist->next_dts = AV_NOPTS_VALUE;
630902a1
AK
2537 init_pts_correction(&ist->pts_ctx);
2538 ist->is_start = 1;
2539
2540 return 0;
2541}
2542
3b266da3
AK
2543static InputStream *get_input_stream(OutputStream *ost)
2544{
2545 if (ost->source_index >= 0)
2546 return input_streams[ost->source_index];
2547
2548 if (ost->filter) {
2549 FilterGraph *fg = ost->filter->graph;
2550 int i;
2551
2552 for (i = 0; i < fg->nb_inputs; i++)
2553 if (fg->inputs[i]->ist->st->codec->codec_type == ost->st->codec->codec_type)
2554 return fg->inputs[i]->ist;
2555 }
2556
2557 return NULL;
2558}
2559
ea9367e9 2560static int transcode_init(void)
6291d7e4 2561{
2c474ddb 2562 int ret = 0, i, j, k;
1bb77e51 2563 AVFormatContext *oc;
6291d7e4 2564 AVCodecContext *codec, *icodec;
4288e031 2565 OutputStream *ost;
6291d7e4
AK
2566 InputStream *ist;
2567 char error[1024];
2568 int want_sdp = 1;
b0c9e8e0 2569
f4805328
AK
2570 /* init framerate emulation */
2571 for (i = 0; i < nb_input_files; i++) {
2e215267 2572 InputFile *ifile = input_files[i];
f4805328
AK
2573 if (ifile->rate_emu)
2574 for (j = 0; j < ifile->nb_streams; j++)
2e215267 2575 input_streams[j + ifile->ist_index]->start = av_gettime();
f4805328 2576 }
6291d7e4
AK
2577
2578 /* output stream init */
03f30c83 2579 for (i = 0; i < nb_output_files; i++) {
2e215267 2580 oc = output_files[i]->ctx;
1bb77e51
AK
2581 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2582 av_dump_format(oc, i, oc->filename, 1);
e3245b26 2583 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
eaf2d37a 2584 return AVERROR(EINVAL);
6291d7e4 2585 }
6291d7e4
AK
2586 }
2587
3b266da3
AK
2588 /* init complex filtergraphs */
2589 for (i = 0; i < nb_filtergraphs; i++)
2590 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2591 return ret;
2592
6291d7e4 2593 /* for each output stream, we compute the right encoding parameters */
4288e031 2594 for (i = 0; i < nb_output_streams; i++) {
2e215267
AK
2595 ost = output_streams[i];
2596 oc = output_files[ost->file_index]->ctx;
3b266da3 2597 ist = get_input_stream(ost);
6291d7e4 2598
4dbc6cee
AK
2599 if (ost->attachment_filename)
2600 continue;
2601
03f30c83 2602 codec = ost->st->codec;
6291d7e4 2603
3b266da3
AK
2604 if (ist) {
2605 icodec = ist->st->codec;
2606
2607 ost->st->disposition = ist->st->disposition;
2608 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2609 codec->chroma_sample_location = icodec->chroma_sample_location;
2610 }
6291d7e4 2611
3d813e4c 2612 if (ost->stream_copy) {
8c4022ac
AK
2613 uint64_t extra_size;
2614
2615 av_assert0(ist && !ost->filter);
2616
2617 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
6291d7e4 2618
e6d2b737 2619 if (extra_size > INT_MAX) {
eaf2d37a 2620 return AVERROR(EINVAL);
e6d2b737 2621 }
6291d7e4
AK
2622
2623 /* if stream_copy is selected, no need to decode or encode */
03f30c83 2624 codec->codec_id = icodec->codec_id;
6291d7e4
AK
2625 codec->codec_type = icodec->codec_type;
2626
03f30c83
AK
2627 if (!codec->codec_tag) {
2628 if (!oc->oformat->codec_tag ||
2629 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2630 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
6291d7e4
AK
2631 codec->codec_tag = icodec->codec_tag;
2632 }
2633
03f30c83 2634 codec->bit_rate = icodec->bit_rate;
6291d7e4
AK
2635 codec->rc_max_rate = icodec->rc_max_rate;
2636 codec->rc_buffer_size = icodec->rc_buffer_size;
4bf3c8f2 2637 codec->field_order = icodec->field_order;
03f30c83 2638 codec->extradata = av_mallocz(extra_size);
e6d2b737 2639 if (!codec->extradata) {
eaf2d37a 2640 return AVERROR(ENOMEM);
e6d2b737 2641 }
6291d7e4 2642 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
03f30c83 2643 codec->extradata_size = icodec->extradata_size;
7bb3e625 2644 if (!copy_tb) {
03f30c83 2645 codec->time_base = icodec->time_base;
6291d7e4
AK
2646 codec->time_base.num *= icodec->ticks_per_frame;
2647 av_reduce(&codec->time_base.num, &codec->time_base.den,
2648 codec->time_base.num, codec->time_base.den, INT_MAX);
03f30c83 2649 } else
6291d7e4 2650 codec->time_base = ist->st->time_base;
03f30c83 2651
7636c8c6 2652 switch (codec->codec_type) {
6291d7e4 2653 case AVMEDIA_TYPE_AUDIO:
7636c8c6 2654 if (audio_volume != 256) {
e3245b26 2655 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
6291d7e4
AK
2656 exit_program(1);
2657 }
03f30c83
AK
2658 codec->channel_layout = icodec->channel_layout;
2659 codec->sample_rate = icodec->sample_rate;
2660 codec->channels = icodec->channels;
2661 codec->frame_size = icodec->frame_size;
6291d7e4 2662 codec->audio_service_type = icodec->audio_service_type;
03f30c83 2663 codec->block_align = icodec->block_align;
6291d7e4
AK
2664 break;
2665 case AVMEDIA_TYPE_VIDEO:
03f30c83
AK
2666 codec->pix_fmt = icodec->pix_fmt;
2667 codec->width = icodec->width;
2668 codec->height = icodec->height;
2669 codec->has_b_frames = icodec->has_b_frames;
6291d7e4 2670 if (!codec->sample_aspect_ratio.num) {
03f30c83 2671 codec->sample_aspect_ratio =
6291d7e4
AK
2672 ost->st->sample_aspect_ratio =
2673 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2674 ist->st->codec->sample_aspect_ratio.num ?
2675 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2676 }
2677 break;
2678 case AVMEDIA_TYPE_SUBTITLE:
03f30c83 2679 codec->width = icodec->width;
6291d7e4
AK
2680 codec->height = icodec->height;
2681 break;
2682 case AVMEDIA_TYPE_DATA:
3ccd1580 2683 case AVMEDIA_TYPE_ATTACHMENT:
6291d7e4
AK
2684 break;
2685 default:
2686 abort();
2687 }
2688 } else {
2994913d
AK
2689 if (!ost->enc) {
2690 /* should only happen when a default codec is not present. */
2691 snprintf(error, sizeof(error), "Automatic encoder selection "
2692 "failed for output stream #%d:%d. Default encoder for "
2693 "format %s is probably disabled. Please choose an "
2694 "encoder manually.\n", ost->file_index, ost->index,
2695 oc->oformat->name);
2696 ret = AVERROR(EINVAL);
2697 goto dump_format;
2698 }
03f30c83 2699
3b266da3
AK
2700 if (ist)
2701 ist->decoding_needed = 1;
11fdb7e1 2702 ost->encoding_needed = 1;
03f30c83 2703
74b961db
AK
2704 /*
2705 * We want CFR output if and only if one of those is true:
2706 * 1) user specified output framerate with -r
2707 * 2) user specified -vsync cfr
2708 * 3) output format is CFR and the user didn't force vsync to
2709 * something else than CFR
2710 *
2711 * in such a case, set ost->frame_rate
2712 */
2713 if (codec->codec_type == AVMEDIA_TYPE_VIDEO &&
2714 !ost->frame_rate.num && ist &&
2715 (video_sync_method == VSYNC_CFR ||
2716 (video_sync_method == VSYNC_AUTO &&
2717 !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
2718 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1};
2719 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2720 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2721 ost->frame_rate = ost->enc->supported_framerates[idx];
2722 }
2723 }
2724
369cb092
AK
2725 if (!ost->filter &&
2726 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2727 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
3b266da3
AK
2728 FilterGraph *fg;
2729 fg = init_simple_filtergraph(ist, ost);
369cb092 2730 if (configure_simple_filtergraph(fg)) {
3b266da3
AK
2731 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2732 exit(1);
2733 }
369cb092 2734 }
3b266da3 2735
369cb092
AK
2736 switch (codec->codec_type) {
2737 case AVMEDIA_TYPE_AUDIO:
2738 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
2739 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2740 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2741 codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout);
2742 codec->time_base = (AVRational){ 1, codec->sample_rate };
2743 break;
2744 case AVMEDIA_TYPE_VIDEO:
74b961db 2745 codec->time_base = ost->filter->filter->inputs[0]->time_base;
6291d7e4 2746
3b266da3
AK
2747 codec->width = ost->filter->filter->inputs[0]->w;
2748 codec->height = ost->filter->filter->inputs[0]->h;
2749 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2750 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
2751 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
2752 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2753 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
b7327887 2754
9dced854
AK
2755 if (codec->width != icodec->width ||
2756 codec->height != icodec->height ||
2757 codec->pix_fmt != icodec->pix_fmt) {
b7327887
AK
2758 codec->bits_per_raw_sample = 0;
2759 }
2760
6291d7e4
AK
2761 break;
2762 case AVMEDIA_TYPE_SUBTITLE:
c9af8326 2763 codec->time_base = (AVRational){1, 1000};
6291d7e4
AK
2764 break;
2765 default:
2766 abort();
2767 break;
2768 }
2769 /* two pass mode */
515901fa 2770 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
6291d7e4
AK
2771 char logfilename[1024];
2772 FILE *f;
2773
2774 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2775 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2776 i);
6e8be949
AK
2777 if (!strcmp(ost->enc->name, "libx264")) {
2778 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2779 } else {
64334ddb
AK
2780 if (codec->flags & CODEC_FLAG_PASS1) {
2781 f = fopen(logfilename, "wb");
2782 if (!f) {
2783 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2784 logfilename, strerror(errno));
2785 exit_program(1);
2786 }
2787 ost->logfile = f;
2788 } else {
2789 char *logbuffer;
2790 size_t logbuffer_size;
2791 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2792 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2793 logfilename);
2794 exit_program(1);
2795 }
2796 codec->stats_in = logbuffer;
6291d7e4 2797 }
6e8be949 2798 }
6291d7e4
AK
2799 }
2800 }
6291d7e4
AK
2801 }
2802
2803 /* open each encoder */
4288e031 2804 for (i = 0; i < nb_output_streams; i++) {
2e215267 2805 ost = output_streams[i];
6291d7e4 2806 if (ost->encoding_needed) {
03f30c83 2807 AVCodec *codec = ost->enc;
3b266da3 2808 AVCodecContext *dec = NULL;
3b266da3
AK
2809
2810 if ((ist = get_input_stream(ost)))
2811 dec = ist->st->codec;
2812 if (dec && dec->subtitle_header) {
6291d7e4
AK
2813 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2814 if (!ost->st->codec->subtitle_header) {
2815 ret = AVERROR(ENOMEM);
2816 goto dump_format;
2817 }
2818 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2819 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2820 }
2473a45c
JG
2821 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2822 av_dict_set(&ost->opts, "threads", "auto", 0);
6291d7e4 2823 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
9a414d89 2824 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
2825 ost->file_index, ost->index);
2826 ret = AVERROR(EINVAL);
2827 goto dump_format;
2828 }
2829 assert_codec_experimental(ost->st->codec, 1);
2830 assert_avoptions(ost->opts);
2831 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2832 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2833 "It takes bits/s as argument, not kbits/s\n");
2834 extra_size += ost->st->codec->extradata_size;
d242d80e
AK
2835
2836 if (ost->st->codec->me_threshold)
2e215267 2837 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
6291d7e4
AK
2838 }
2839 }
2840
630902a1
AK
2841 /* init input streams */
2842 for (i = 0; i < nb_input_streams; i++)
ea9367e9 2843 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
630902a1 2844 goto dump_format;
6291d7e4 2845
2c474ddb
AK
2846 /* discard unused programs */
2847 for (i = 0; i < nb_input_files; i++) {
2e215267 2848 InputFile *ifile = input_files[i];
2c474ddb
AK
2849 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2850 AVProgram *p = ifile->ctx->programs[j];
2851 int discard = AVDISCARD_ALL;
2852
2853 for (k = 0; k < p->nb_stream_indexes; k++)
2e215267 2854 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2c474ddb
AK
2855 discard = AVDISCARD_DEFAULT;
2856 break;
2857 }
2858 p->discard = discard;
2859 }
2860 }
2861
6291d7e4 2862 /* open files and write file headers */
af70aa45 2863 for (i = 0; i < nb_output_files; i++) {
2e215267 2864 oc = output_files[i]->ctx;
1bb77e51 2865 oc->interrupt_callback = int_cb;
2e215267 2866 if (avformat_write_header(oc, &output_files[i]->opts) < 0) {
6291d7e4
AK
2867 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2868 ret = AVERROR(EINVAL);
2869 goto dump_format;
2870 }
2e215267 2871 assert_avoptions(output_files[i]->opts);
1bb77e51 2872 if (strcmp(oc->oformat->name, "rtp")) {
6291d7e4
AK
2873 want_sdp = 0;
2874 }
2875 }
2876
2877 dump_format:
2878 /* dump the file output parameters - cannot be done before in case
2879 of stream copy */
03f30c83 2880 for (i = 0; i < nb_output_files; i++) {
2e215267 2881 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
6291d7e4
AK
2882 }
2883
2884 /* dump the stream mapping */
e3245b26 2885 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3b266da3
AK
2886 for (i = 0; i < nb_input_streams; i++) {
2887 ist = input_streams[i];
2888
2889 for (j = 0; j < ist->nb_filters; j++) {
2890 AVFilterLink *link = ist->filters[j]->filter->outputs[0];
2891 if (ist->filters[j]->graph->graph_desc) {
2892 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2893 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
2894 link->dst->filter->name);
2895 if (link->dst->input_count > 1)
2896 av_log(NULL, AV_LOG_INFO, ":%s", link->dstpad->name);
2897 if (nb_filtergraphs > 1)
2898 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2899 av_log(NULL, AV_LOG_INFO, "\n");
2900 }
2901 }
2902 }
2903
e3245b26 2904 for (i = 0; i < nb_output_streams; i++) {
2e215267 2905 ost = output_streams[i];
4dbc6cee
AK
2906
2907 if (ost->attachment_filename) {
2908 /* an attached file */
2909 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2910 ost->attachment_filename, ost->file_index, ost->index);
2911 continue;
2912 }
3b266da3
AK
2913
2914 if (ost->filter && ost->filter->graph->graph_desc) {
2915 /* output from a complex graph */
2916 AVFilterLink *link = ost->filter->filter->inputs[0];
2917 av_log(NULL, AV_LOG_INFO, " %s", link->src->filter->name);
2918 if (link->src->output_count > 1)
2919 av_log(NULL, AV_LOG_INFO, ":%s", link->srcpad->name);
2920 if (nb_filtergraphs > 1)
2921 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2922
2923 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2924 ost->index, ost->enc ? ost->enc->name : "?");
2925 continue;
2926 }
2927
9a414d89 2928 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2e215267
AK
2929 input_streams[ost->source_index]->file_index,
2930 input_streams[ost->source_index]->st->index,
e3245b26
AK
2931 ost->file_index,
2932 ost->index);
2e215267 2933 if (ost->sync_ist != input_streams[ost->source_index])
9a414d89 2934 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
e3245b26
AK
2935 ost->sync_ist->file_index,
2936 ost->sync_ist->st->index);
3d813e4c 2937 if (ost->stream_copy)
e3245b26
AK
2938 av_log(NULL, AV_LOG_INFO, " (copy)");
2939 else
2e215267
AK
2940 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
2941 input_streams[ost->source_index]->dec->name : "?",
e3245b26
AK
2942 ost->enc ? ost->enc->name : "?");
2943 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
2944 }
2945
2946 if (ret) {
e3245b26 2947 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 2948 return ret;
6291d7e4
AK
2949 }
2950
2951 if (want_sdp) {
ea9367e9 2952 print_sdp();
6291d7e4
AK
2953 }
2954
eaf2d37a
AC
2955 return 0;
2956}
2957
2958/*
2959 * The following code is the main loop of the file converter
2960 */
ea9367e9 2961static int transcode(void)
eaf2d37a
AC
2962{
2963 int ret, i;
2964 AVFormatContext *is, *os;
2965 OutputStream *ost;
2966 InputStream *ist;
2967 uint8_t *no_packet;
7636c8c6 2968 int no_packet_count = 0;
eaf2d37a
AC
2969 int64_t timer_start;
2970
2971 if (!(no_packet = av_mallocz(nb_input_files)))
2972 exit_program(1);
2973
ea9367e9 2974 ret = transcode_init();
eaf2d37a
AC
2975 if (ret < 0)
2976 goto fail;
2977
e3245b26 2978 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2979 term_init();
2980
2981 timer_start = av_gettime();
2982
7636c8c6 2983 for (; received_sigterm == 0;) {
3b266da3 2984 int file_index, ist_index, past_recording_time = 1;
6291d7e4 2985 AVPacket pkt;
9be3c124 2986 int64_t ipts_min;
6291d7e4 2987
9be3c124 2988 ipts_min = INT64_MAX;
6291d7e4 2989
3b266da3 2990 /* check if there's any stream where output is still needed */
4288e031 2991 for (i = 0; i < nb_output_streams; i++) {
f21f294e 2992 OutputFile *of;
2e215267 2993 ost = output_streams[i];
3b266da3
AK
2994 of = output_files[ost->file_index];
2995 os = output_files[ost->file_index]->ctx;
2996 if (ost->is_past_recording_time ||
f21f294e 2997 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
6291d7e4 2998 continue;
3b266da3
AK
2999 if (ost->frame_number > ost->max_frames) {
3000 int j;
3001 for (j = 0; j < of->ctx->nb_streams; j++)
3002 output_streams[of->ost_index + j]->is_past_recording_time = 1;
3003 continue;
3004 }
3005 past_recording_time = 0;
3006 }
3007 if (past_recording_time)
3008 break;
3009
3010 /* select the stream that we must read now by looking at the
3011 smallest output pts */
3012 file_index = -1;
3013 for (i = 0; i < nb_input_streams; i++) {
3014 int64_t ipts;
3015 ist = input_streams[i];
23576b3f 3016 ipts = ist->last_dts;
3b266da3
AK
3017 if (ist->discard || no_packet[ist->file_index])
3018 continue;
2e215267 3019 if (!input_files[ist->file_index]->eof_reached) {
7636c8c6 3020 if (ipts < ipts_min) {
6291d7e4 3021 ipts_min = ipts;
3b266da3 3022 file_index = ist->file_index;
6291d7e4
AK
3023 }
3024 }
6291d7e4
AK
3025 }
3026 /* if none, if is finished */
3027 if (file_index < 0) {
7636c8c6
AD
3028 if (no_packet_count) {
3029 no_packet_count = 0;
b0c9e8e0 3030 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
3031 usleep(10000);
3032 continue;
3033 }
3034 break;
3035 }
3036
6291d7e4 3037 /* read a frame from it and output it in the fifo */
2e215267 3038 is = input_files[file_index]->ctx;
7636c8c6
AD
3039 ret = av_read_frame(is, &pkt);
3040 if (ret == AVERROR(EAGAIN)) {
3041 no_packet[file_index] = 1;
6291d7e4
AK
3042 no_packet_count++;
3043 continue;
3044 }
3045 if (ret < 0) {
2e215267 3046 input_files[file_index]->eof_reached = 1;
9e8aae44
AK
3047
3048 for (i = 0; i < input_files[file_index]->nb_streams; i++) {
3049 ist = input_streams[input_files[file_index]->ist_index + i];
3050 if (ist->decoding_needed)
3051 output_packet(ist, NULL);
3052 }
3053
6291d7e4
AK
3054 if (opt_shortest)
3055 break;
3056 else
3057 continue;
3058 }
3059
7636c8c6 3060 no_packet_count = 0;
b0c9e8e0 3061 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
3062
3063 if (do_pkt_dump) {
3064 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3065 is->streams[pkt.stream_index]);
3066 }
3067 /* the following test is needed in case new streams appear
3068 dynamically in stream : we ignore them */
2e215267 3069 if (pkt.stream_index >= input_files[file_index]->nb_streams)
6291d7e4 3070 goto discard_packet;
2e215267
AK
3071 ist_index = input_files[file_index]->ist_index + pkt.stream_index;
3072 ist = input_streams[ist_index];
6291d7e4
AK
3073 if (ist->discard)
3074 goto discard_packet;
3075
3076 if (pkt.dts != AV_NOPTS_VALUE)
2e215267 3077 pkt.dts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
6291d7e4 3078 if (pkt.pts != AV_NOPTS_VALUE)
2e215267 3079 pkt.pts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
6291d7e4 3080
7636c8c6 3081 if (pkt.pts != AV_NOPTS_VALUE)
33f75d72 3082 pkt.pts *= ist->ts_scale;
7636c8c6 3083 if (pkt.dts != AV_NOPTS_VALUE)
33f75d72 3084 pkt.dts *= ist->ts_scale;
6291d7e4 3085
7636c8c6 3086 //fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n",
3101bb66 3087 // ist->next_dts,
7636c8c6
AD
3088 // pkt.dts, input_files[ist->file_index].ts_offset,
3089 // ist->st->codec->codec_type);
3101bb66 3090 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE
6291d7e4 3091 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
7636c8c6 3092 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3101bb66 3093 int64_t delta = pkt_dts - ist->next_dts;
23576b3f 3094 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2e215267 3095 input_files[ist->file_index]->ts_offset -= delta;
7636c8c6
AD
3096 av_log(NULL, AV_LOG_DEBUG,
3097 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2e215267 3098 delta, input_files[ist->file_index]->ts_offset);
6291d7e4 3099 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
7636c8c6 3100 if (pkt.pts != AV_NOPTS_VALUE)
6291d7e4
AK
3101 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3102 }
3103 }
3104
7636c8c6 3105 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
560f7774 3106 if (output_packet(ist, &pkt) < 0 || poll_filters() < 0) {
9a414d89 3107 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
e3245b26 3108 ist->file_index, ist->st->index);
6291d7e4
AK
3109 if (exit_on_error)
3110 exit_program(1);
3111 av_free_packet(&pkt);
b9630bcf 3112 continue;
6291d7e4
AK
3113 }
3114
3115 discard_packet:
3116 av_free_packet(&pkt);
3117
3118 /* dump report by using the output first video and audio streams */
ea9367e9 3119 print_report(0, timer_start);
6291d7e4
AK
3120 }
3121
3122 /* at the end of stream, we must flush the decoder buffers */
3123 for (i = 0; i < nb_input_streams; i++) {
2e215267 3124 ist = input_streams[i];
9e8aae44 3125 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
ea9367e9 3126 output_packet(ist, NULL);
6291d7e4
AK
3127 }
3128 }
560f7774 3129 poll_filters();
ea9367e9 3130 flush_encoders();
6291d7e4
AK
3131
3132 term_exit();
3133
3134 /* write the trailer if needed and close file */
7636c8c6 3135 for (i = 0; i < nb_output_files; i++) {
2e215267 3136 os = output_files[i]->ctx;
6291d7e4
AK
3137 av_write_trailer(os);
3138 }
3139
3140 /* dump report by using the first video and audio streams */
ea9367e9 3141 print_report(1, timer_start);
6291d7e4
AK
3142
3143 /* close each encoder */
4288e031 3144 for (i = 0; i < nb_output_streams; i++) {
2e215267 3145 ost = output_streams[i];
6291d7e4
AK
3146 if (ost->encoding_needed) {
3147 av_freep(&ost->st->codec->stats_in);
3148 avcodec_close(ost->st->codec);
3149 }
6291d7e4
AK
3150 }
3151
3152 /* close each decoder */
3153 for (i = 0; i < nb_input_streams; i++) {
2e215267 3154 ist = input_streams[i];
6291d7e4
AK
3155 if (ist->decoding_needed) {
3156 avcodec_close(ist->st->codec);
3157 }
3158 }
3159
3160 /* finished ! */
3161 ret = 0;
3162
3163 fail:
b0c9e8e0 3164 av_freep(&no_packet);
6291d7e4 3165
4288e031
AK
3166 if (output_streams) {
3167 for (i = 0; i < nb_output_streams; i++) {
2e215267 3168 ost = output_streams[i];
6291d7e4 3169 if (ost) {
3d813e4c 3170 if (ost->stream_copy)
6291d7e4
AK
3171 av_freep(&ost->st->codec->extradata);
3172 if (ost->logfile) {
3173 fclose(ost->logfile);
3174 ost->logfile = NULL;
3175 }
6291d7e4 3176 av_freep(&ost->st->codec->subtitle_header);
6291d7e4 3177 av_free(ost->forced_kf_pts);
6291d7e4 3178 av_dict_free(&ost->opts);
6291d7e4
AK
3179 }
3180 }
6291d7e4
AK
3181 }
3182 return ret;
3183}
3184
ca46fde7 3185static double parse_frame_aspect_ratio(const char *arg)
6291d7e4
AK
3186{
3187 int x = 0, y = 0;
3188 double ar = 0;
3189 const char *p;
3190 char *end;
3191
3192 p = strchr(arg, ':');
3193 if (p) {
3194 x = strtol(arg, &end, 10);
3195 if (end == p)
7636c8c6 3196 y = strtol(end + 1, &end, 10);
6291d7e4
AK
3197 if (x > 0 && y > 0)
3198 ar = (double)x / (double)y;
3199 } else
3200 ar = strtod(arg, NULL);
3201
3202 if (!ar) {
e3245b26 3203 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
ca46fde7 3204 exit_program(1);
6291d7e4 3205 }
ca46fde7 3206 return ar;
6291d7e4
AK
3207}
3208
35e6f8c1 3209static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 3210{
35e6f8c1 3211 return parse_option(o, "codec:a", arg, options);
6291d7e4
AK
3212}
3213
35e6f8c1 3214static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 3215{
35e6f8c1 3216 return parse_option(o, "codec:v", arg, options);
6291d7e4
AK
3217}
3218
35e6f8c1 3219static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 3220{
35e6f8c1 3221 return parse_option(o, "codec:s", arg, options);
6291d7e4
AK
3222}
3223
35e6f8c1 3224static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 3225{
35e6f8c1 3226 return parse_option(o, "codec:d", arg, options);
6291d7e4
AK
3227}
3228
575ec4e1 3229static int opt_map(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 3230{
8d2e4a7e
AK
3231 StreamMap *m = NULL;
3232 int i, negative = 0, file_idx;
3233 int sync_file_idx = -1, sync_stream_idx;
3234 char *p, *sync;
3235 char *map;
6291d7e4 3236
8d2e4a7e
AK
3237 if (*arg == '-') {
3238 negative = 1;
3239 arg++;
3240 }
3241 map = av_strdup(arg);
6291d7e4 3242
8d2e4a7e
AK
3243 /* parse sync stream first, just pick first matching stream */
3244 if (sync = strchr(map, ',')) {
3245 *sync = 0;
3246 sync_file_idx = strtol(sync + 1, &sync, 0);
3247 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
f24facd3 3248 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
8d2e4a7e
AK
3249 exit_program(1);
3250 }
3251 if (*sync)
3252 sync++;
2e215267
AK
3253 for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
3254 if (check_stream_specifier(input_files[sync_file_idx]->ctx,
3255 input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
8d2e4a7e
AK
3256 sync_stream_idx = i;
3257 break;
3258 }
2e215267 3259 if (i == input_files[sync_file_idx]->nb_streams) {
f24facd3 3260 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
8d2e4a7e
AK
3261 "match any streams.\n", arg);
3262 exit_program(1);
3263 }
3264 }
6291d7e4 3265
8d2e4a7e 3266
3b266da3
AK
3267 if (map[0] == '[') {
3268 /* this mapping refers to lavfi output */
3269 const char *c = map + 1;
3270 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3271 &o->nb_stream_maps, o->nb_stream_maps + 1);
3272 m = &o->stream_maps[o->nb_stream_maps - 1];
3273 m->linklabel = av_get_token(&c, "]");
3274 if (!m->linklabel) {
3275 av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
3276 exit_program(1);
3277 }
3278 } else {
3e901cbc
AK
3279 file_idx = strtol(map, &p, 0);
3280 if (file_idx >= nb_input_files || file_idx < 0) {
3281 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
3282 exit_program(1);
8d2e4a7e 3283 }
3e901cbc
AK
3284 if (negative)
3285 /* disable some already defined maps */
3286 for (i = 0; i < o->nb_stream_maps; i++) {
3287 m = &o->stream_maps[i];
3288 if (file_idx == m->file_index &&
3289 check_stream_specifier(input_files[m->file_index]->ctx,
3290 input_files[m->file_index]->ctx->streams[m->stream_index],
3291 *p == ':' ? p + 1 : p) > 0)
3292 m->disabled = 1;
3293 }
3294 else
3295 for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
3296 if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
3297 *p == ':' ? p + 1 : p) <= 0)
3298 continue;
3299 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3300 &o->nb_stream_maps, o->nb_stream_maps + 1);
3301 m = &o->stream_maps[o->nb_stream_maps - 1];
3302
3303 m->file_index = file_idx;
3304 m->stream_index = i;
3305
3306 if (sync_file_idx >= 0) {
3307 m->sync_file_index = sync_file_idx;
3308 m->sync_stream_index = sync_stream_idx;
3309 } else {
3310 m->sync_file_index = file_idx;
3311 m->sync_stream_index = i;
3312 }
8d2e4a7e 3313 }
3b266da3 3314 }
8d2e4a7e
AK
3315
3316 if (!m) {
f24facd3 3317 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
8d2e4a7e
AK
3318 exit_program(1);
3319 }
3320
3321 av_freep(&map);
6291d7e4
AK
3322 return 0;
3323}
3324
4dbc6cee
AK
3325static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3326{
3327 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3328 &o->nb_attachments, o->nb_attachments + 1);
3329 o->attachments[o->nb_attachments - 1] = arg;
3330 return 0;
3331}
3332
a7b5e841
AK
3333/**
3334 * Parse a metadata specifier in arg.
3335 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3336 * @param index for type c/p, chapter/program index is written here
3337 * @param stream_spec for type s, the stream specifier is written here
3338 */
3339static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
6291d7e4 3340{
039267f1 3341 if (*arg) {
a2a38d96 3342 *type = *arg;
6291d7e4
AK
3343 switch (*arg) {
3344 case 'g':
3345 break;
3346 case 's':
a7b5e841
AK
3347 if (*(++arg) && *arg != ':') {
3348 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3349 exit_program(1);
3350 }
3351 *stream_spec = *arg == ':' ? arg + 1 : "";
3352 break;
6291d7e4
AK
3353 case 'c':
3354 case 'p':
e6e6060c
AK
3355 if (*(++arg) == ':')
3356 *index = strtol(++arg, NULL, 0);
6291d7e4
AK
3357 break;
3358 default:
e3245b26 3359 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
6291d7e4
AK
3360 exit_program(1);
3361 }
3362 } else
3363 *type = 'g';
3364}
3365
a7b5e841 3366static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
6291d7e4 3367{
a7b5e841
AK
3368 AVDictionary **meta_in = NULL;
3369 AVDictionary **meta_out;
3370 int i, ret = 0;
3371 char type_in, type_out;
3372 const char *istream_spec = NULL, *ostream_spec = NULL;
3373 int idx_in = 0, idx_out = 0;
6291d7e4 3374
a7b5e841
AK
3375 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3376 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
6291d7e4 3377
a7b5e841 3378 if (type_in == 'g' || type_out == 'g')
847529f8 3379 o->metadata_global_manual = 1;
a7b5e841 3380 if (type_in == 's' || type_out == 's')
847529f8 3381 o->metadata_streams_manual = 1;
a7b5e841 3382 if (type_in == 'c' || type_out == 'c')
847529f8 3383 o->metadata_chapters_manual = 1;
6291d7e4 3384
a7b5e841
AK
3385#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3386 if ((index) < 0 || (index) >= (nb_elems)) {\
3387 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3388 (desc), (index));\
3389 exit_program(1);\
3390 }
3391
3392#define SET_DICT(type, meta, context, index)\
3393 switch (type) {\
3394 case 'g':\
3395 meta = &context->metadata;\
3396 break;\
3397 case 'c':\
3398 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3399 meta = &context->chapters[index]->metadata;\
3400 break;\
3401 case 'p':\
3402 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3403 meta = &context->programs[index]->metadata;\
3404 break;\
3405 }\
3406
3407 SET_DICT(type_in, meta_in, ic, idx_in);
3408 SET_DICT(type_out, meta_out, oc, idx_out);
3409
3410 /* for input streams choose first matching stream */
3411 if (type_in == 's') {
3412 for (i = 0; i < ic->nb_streams; i++) {
3413 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3414 meta_in = &ic->streams[i]->metadata;
3415 break;
3416 } else if (ret < 0)
3417 exit_program(1);
3418 }
3419 if (!meta_in) {
3420 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3421 exit_program(1);
3422 }
3423 }
3424
3425 if (type_out == 's') {
3426 for (i = 0; i < oc->nb_streams; i++) {
3427 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3428 meta_out = &oc->streams[i]->metadata;
3429 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3430 } else if (ret < 0)
3431 exit_program(1);
3432 }
3433 } else
3434 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3435
6291d7e4
AK
3436 return 0;
3437}
3438
1b648c7c 3439static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
169f0647
AK
3440{
3441 const char *codec_string = encoder ? "encoder" : "decoder";
3442 AVCodec *codec;
3443
169f0647
AK
3444 codec = encoder ?
3445 avcodec_find_encoder_by_name(name) :
3446 avcodec_find_decoder_by_name(name);
7636c8c6 3447 if (!codec) {
f24facd3 3448 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
169f0647
AK
3449 exit_program(1);
3450 }
7636c8c6 3451 if (codec->type != type) {
f24facd3 3452 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
169f0647
AK
3453 exit_program(1);
3454 }
1b648c7c 3455 return codec;
169f0647
AK
3456}
3457
1b648c7c 3458static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
169f0647 3459{
169f0647 3460 char *codec_name = NULL;
169f0647 3461
35e6f8c1 3462 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
1b648c7c
AK
3463 if (codec_name) {
3464 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3465 st->codec->codec_id = codec->id;
3466 return codec;
3467 } else
3468 return avcodec_find_decoder(st->codec->codec_id);
169f0647 3469}
6291d7e4 3470
88867844
AK
3471/**
3472 * Add all the streams from the given input file to the global
3473 * list of input streams.
3474 */
35e6f8c1 3475static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
88867844 3476{
c88d5319 3477 int i;
88867844
AK
3478
3479 for (i = 0; i < ic->nb_streams; i++) {
3480 AVStream *st = ic->streams[i];
3481 AVCodecContext *dec = st->codec;
2e215267
AK
3482 InputStream *ist = av_mallocz(sizeof(*ist));
3483
3484 if (!ist)
3485 exit_program(1);
88867844 3486
88867844 3487 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2e215267
AK
3488 input_streams[nb_input_streams - 1] = ist;
3489
88867844
AK
3490 ist->st = st;
3491 ist->file_index = nb_input_files;
3492 ist->discard = 1;
13f6917c 3493 st->discard = AVDISCARD_ALL;
88867844
AK
3494 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3495
059fb8c8
AK
3496 ist->ts_scale = 1.0;
3497 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
88867844 3498
1b648c7c 3499 ist->dec = choose_decoder(o, ic, st);
88867844
AK
3500
3501 switch (dec->codec_type) {
88867844 3502 case AVMEDIA_TYPE_VIDEO:
e77c8662
AK
3503 ist->resample_height = dec->height;
3504 ist->resample_width = dec->width;
3505 ist->resample_pix_fmt = dec->pix_fmt;
3506
88867844 3507 break;
13f6917c 3508 case AVMEDIA_TYPE_AUDIO:
369cb092
AK
3509 guess_input_channel_layout(ist);
3510
3511 ist->resample_sample_fmt = dec->sample_fmt;
3512 ist->resample_sample_rate = dec->sample_rate;
3513 ist->resample_channels = dec->channels;
3514 ist->resample_channel_layout = dec->channel_layout;
3515
3516 break;
88867844 3517 case AVMEDIA_TYPE_DATA:
88867844 3518 case AVMEDIA_TYPE_SUBTITLE:
88867844
AK
3519 case AVMEDIA_TYPE_ATTACHMENT:
3520 case AVMEDIA_TYPE_UNKNOWN:
3521 break;
3522 default:
3523 abort();
3524 }
3525 }
3526}
3527
a2c0b830
AK
3528static void assert_file_overwrite(const char *filename)
3529{
3530 if (!file_overwrite &&
3531 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3532 av_strstart(filename, "file:", NULL))) {
3533 if (avio_check(filename, 0) == 0) {
3534 if (!using_stdin) {
3535 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3536 fflush(stderr);
3537 if (!read_yesno()) {
3538 fprintf(stderr, "Not overwriting - exiting\n");
3539 exit_program(1);
3540 }
3541 }
3542 else {
3543 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3544 exit_program(1);
3545 }
3546 }
3547 }
3548}
3549
3550static void dump_attachment(AVStream *st, const char *filename)
3551{
3552 int ret;
3553 AVIOContext *out = NULL;
3554 AVDictionaryEntry *e;