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ffmpeg.h
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #ifndef FFMPEG_H
20 #define FFMPEG_H
21 
22 #include "config.h"
23 
24 #include <stdint.h>
25 #include <stdio.h>
26 #include <signal.h>
27 
28 #if HAVE_PTHREADS
29 #include <pthread.h>
30 #endif
31 
32 #include "cmdutils.h"
33 
34 #include "libavformat/avformat.h"
35 #include "libavformat/avio.h"
36 
37 #include "libavcodec/avcodec.h"
38 
39 #include "libavfilter/avfilter.h"
40 
41 #include "libavutil/avutil.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/eval.h"
44 #include "libavutil/fifo.h"
45 #include "libavutil/pixfmt.h"
46 #include "libavutil/rational.h"
48 
50 
51 #define VSYNC_AUTO -1
52 #define VSYNC_PASSTHROUGH 0
53 #define VSYNC_CFR 1
54 #define VSYNC_VFR 2
55 #define VSYNC_VSCFR 0xfe
56 #define VSYNC_DROP 0xff
57 
58 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
59 
60 enum HWAccelID {
68 };
69 
70 typedef struct HWAccel {
71  const char *name;
72  int (*init)(AVCodecContext *s);
73  enum HWAccelID id;
75 } HWAccel;
76 
77 /* select an input stream for an output stream */
78 typedef struct StreamMap {
79  int disabled; /* 1 is this mapping is disabled by a negative map */
84  char *linklabel; /* name of an output link, for mapping lavfi outputs */
85 } StreamMap;
86 
87 typedef struct {
88  int file_idx, stream_idx, channel_idx; // input
89  int ofile_idx, ostream_idx; // output
91 
92 typedef struct OptionsContext {
94 
95  /* input/output options */
96  int64_t start_time;
97  int64_t start_time_eof;
99  const char *format;
100 
113 
114  /* input options */
116  int loop;
117  int rate_emu;
120 
131 
132  /* output options */
135  AudioChannelMap *audio_channel_maps; /* one info entry per -map_channel */
136  int nb_audio_channel_maps; /* number of (valid) -map_channel settings */
140  const char **attachments;
142 
144 
145  int64_t recording_time;
146  int64_t stop_time;
147  uint64_t limit_filesize;
148  float mux_preload;
150  int shortest;
151 
156 
157  /* indexed by output file stream index */
160 
208  int nb_pass;
214  int nb_apad;
222 
223 typedef struct InputFilter {
225  struct InputStream *ist;
228 } InputFilter;
229 
230 typedef struct OutputFilter {
232  struct OutputStream *ost;
235 
236  /* temporary storage until stream maps are processed */
239 } OutputFilter;
240 
241 typedef struct FilterGraph {
242  int index;
243  const char *graph_desc;
244 
247 
252 } FilterGraph;
253 
254 typedef struct InputStream {
257  int discard; /* true if stream data should be discarded */
259  int decoding_needed; /* non zero if the packets must be decoded in 'raw_fifo', see DECODING_FOR_* */
260 #define DECODING_FOR_OST 1
261 #define DECODING_FOR_FILTER 2
262 
266  AVFrame *filter_frame; /* a ref of decoded_frame, to be sent to filters */
267 
268  int64_t start; /* time when read started */
269  /* predicted dts of the next packet read for this stream or (when there are
270  * several frames in a packet) of the next frame in current packet (in AV_TIME_BASE units) */
271  int64_t next_dts;
272  int64_t dts; ///< dts of the last packet read for this stream (in AV_TIME_BASE units)
273 
274  int64_t next_pts; ///< synthetic pts for the next decode frame (in AV_TIME_BASE units)
275  int64_t pts; ///< current pts of the decoded frame (in AV_TIME_BASE units)
277 
279 
280  int64_t min_pts; /* pts with the smallest value in a current stream */
281  int64_t max_pts; /* pts with the higher value in a current stream */
282  int64_t nb_samples; /* number of samples in the last decoded audio frame before looping */
283 
284  double ts_scale;
288  AVRational framerate; /* framerate forced with -r */
291 
296 
301 
303  struct { /* previous decoded subtitle and related variables */
305  int ret;
307  } prev_sub;
308 
309  struct sub2video {
310  int64_t last_pts;
311  int64_t end_pts;
313  int w, h;
314  } sub2video;
315 
316  int dr1;
317 
318  /* decoded data from this stream goes into all those filters
319  * currently video and audio only */
322 
324 
325  /* hwaccel options */
328 
329  /* hwaccel context */
331  void *hwaccel_ctx;
337 
338  /* stats */
339  // combined size of all the packets read
340  uint64_t data_size;
341  /* number of packets successfully read for this stream */
342  uint64_t nb_packets;
343  // number of frames/samples retrieved from the decoder
344  uint64_t frames_decoded;
345  uint64_t samples_decoded;
346 } InputStream;
347 
348 typedef struct InputFile {
350  int eof_reached; /* true if eof reached */
351  int eagain; /* true if last read attempt returned EAGAIN */
352  int ist_index; /* index of first stream in input_streams */
353  int loop; /* set number of times input stream should be looped */
354  int64_t duration; /* actual duration of the longest stream in a file
355  at the moment when looping happens */
356  AVRational time_base; /* time base of the duration */
358 
359  int64_t ts_offset;
360  int64_t last_ts;
361  int64_t start_time; /* user-specified start time in AV_TIME_BASE or AV_NOPTS_VALUE */
363  int64_t recording_time;
364  int nb_streams; /* number of stream that ffmpeg is aware of; may be different
365  from ctx.nb_streams if new streams appear during av_read_frame() */
366  int nb_streams_warn; /* number of streams that the user was warned of */
367  int rate_emu;
369 
370 #if HAVE_PTHREADS
371  AVThreadMessageQueue *in_thread_queue;
372  pthread_t thread; /* thread reading from this file */
373  int non_blocking; /* reading packets from the thread should not block */
374  int joined; /* the thread has been joined */
375  int thread_queue_size; /* maximum number of queued packets */
376 #endif
377 } InputFile;
378 
386 };
387 
388 #define ABORT_ON_FLAG_EMPTY_OUTPUT (1 << 0)
389 
390 extern const char *const forced_keyframes_const_names[];
391 
392 typedef enum {
395 } OSTFinished ;
396 
397 typedef struct OutputStream {
398  int file_index; /* file index */
399  int index; /* stream index in the output file */
400  int source_index; /* InputStream index */
401  AVStream *st; /* stream in the output file */
402  int encoding_needed; /* true if encoding needed for this stream */
404  /* input pts and corresponding output pts
405  for A/V sync */
406  struct InputStream *sync_ist; /* input stream to sync against */
407  int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
408  /* pts of the first frame encoded for this stream, used for limiting
409  * recording time */
410  int64_t first_pts;
411  /* dts of the last packet sent to the muxer */
412  int64_t last_mux_dts;
416  int64_t max_frames;
421 
422  void *hwaccel_ctx;
423 
424  /* video only */
426  int is_cfr;
430 
432 
433  /* forced key frames */
434  int64_t *forced_kf_pts;
440 
441  /* audio only */
442  int *audio_channels_map; /* list of the channels id to pick from the source stream */
443  int audio_channels_mapped; /* number of channels in audio_channels_map */
444 
446  FILE *logfile;
447 
449  char *avfilter;
450  char *filters; ///< filtergraph associated to the -filter option
451  char *filters_script; ///< filtergraph script associated to the -filter_script option
452 
457  char *apad;
458  OSTFinished finished; /* no more packets should be written for this stream */
459  int unavailable; /* true if the steram is unavailable (possibly temporarily) */
461  const char *attachment_filename;
464  char *disposition;
465 
467 
469 
470  /* stats */
471  // combined size of all the packets written
472  uint64_t data_size;
473  // number of packets send to the muxer
474  uint64_t packets_written;
475  // number of frames/samples sent to the encoder
476  uint64_t frames_encoded;
477  uint64_t samples_encoded;
478 
479  /* packet quality factor */
480  int quality;
481 
482  /* packet picture type */
484 
485  /* frame encode sum of squared error values */
486  int64_t error[4];
487 } OutputStream;
488 
489 typedef struct OutputFile {
492  int ost_index; /* index of the first stream in output_streams */
493  int64_t recording_time; ///< desired length of the resulting file in microseconds == AV_TIME_BASE units
494  int64_t start_time; ///< start time in microseconds == AV_TIME_BASE units
495  uint64_t limit_filesize; /* filesize limit expressed in bytes */
496 
497  int shortest;
498 } OutputFile;
499 
500 extern InputStream **input_streams;
501 extern int nb_input_streams;
502 extern InputFile **input_files;
503 extern int nb_input_files;
504 
506 extern int nb_output_streams;
507 extern OutputFile **output_files;
508 extern int nb_output_files;
509 
510 extern FilterGraph **filtergraphs;
511 extern int nb_filtergraphs;
512 
513 extern char *vstats_filename;
514 extern char *sdp_filename;
515 
516 extern float audio_drift_threshold;
517 extern float dts_delta_threshold;
518 extern float dts_error_threshold;
519 
520 extern int audio_volume;
521 extern int audio_sync_method;
522 extern int video_sync_method;
523 extern float frame_drop_threshold;
524 extern int do_benchmark;
525 extern int do_benchmark_all;
526 extern int do_deinterlace;
527 extern int do_hex_dump;
528 extern int do_pkt_dump;
529 extern int copy_ts;
530 extern int start_at_zero;
531 extern int copy_tb;
532 extern int debug_ts;
533 extern int exit_on_error;
534 extern int abort_on_flags;
535 extern int print_stats;
536 extern int qp_hist;
537 extern int stdin_interaction;
538 extern int frame_bits_per_raw_sample;
539 extern AVIOContext *progress_avio;
540 extern float max_error_rate;
541 extern char *videotoolbox_pixfmt;
542 
543 extern const AVIOInterruptCB int_cb;
544 
545 extern const OptionDef options[];
546 extern const HWAccel hwaccels[];
547 
548 
549 void term_init(void);
550 void term_exit(void);
551 
552 void reset_options(OptionsContext *o, int is_input);
553 void show_usage(void);
554 
555 void opt_output_file(void *optctx, const char *filename);
556 
559 
561 
562 enum AVPixelFormat choose_pixel_fmt(AVStream *st, AVCodecContext *avctx, AVCodec *codec, enum AVPixelFormat target);
563 void choose_sample_fmt(AVStream *st, AVCodec *codec);
564 
570 
571 int ffmpeg_parse_options(int argc, char **argv);
572 
579 
580 #endif /* FFMPEG_H */
int64_t pts
current pts of the decoded frame (in AV_TIME_BASE units)
Definition: ffmpeg.h:275
SpecifierOpt * passlogfiles
Definition: ffmpeg.h:209
int nb_dump_attachment
Definition: ffmpeg.h:124
int got_output
Definition: ffmpeg.h:304
int nb_metadata
Definition: ffmpeg.h:162
int nb_streamid_map
Definition: ffmpeg.h:159
int frame_number
Definition: ffmpeg.h:403
Definition: ffmpeg.h:380
enum HWAccelID active_hwaccel_id
Definition: ffmpeg.h:330
int keep_pix_fmt
Definition: ffmpeg.h:466
const char * s
Definition: avisynth_c.h:631
Bytestream IO Context.
Definition: avio.h:111
float mux_preload
Definition: ffmpeg.h:148
int64_t recording_time
desired length of the resulting file in microseconds == AV_TIME_BASE units
Definition: ffmpeg.h:493
HWAccelID
Definition: ffmpeg.h:60
Buffered I/O operations.
uint8_t * name
Definition: ffmpeg.h:234
int nb_outputs
Definition: ffmpeg.h:251
AVDictionary * swr_opts
Definition: ffmpeg.h:455
int resample_channels
Definition: ffmpeg.h:299
enum AVPixelFormat choose_pixel_fmt(AVStream *st, AVCodecContext *avctx, AVCodec *codec, enum AVPixelFormat target)
Definition: ffmpeg_filter.c:63
This structure describes decoded (raw) audio or video data.
Definition: frame.h:180
int stream_copy
Definition: ffmpeg.h:460
AVRational frame_rate
Definition: ffmpeg.h:425
int64_t * forced_kf_pts
Definition: ffmpeg.h:434
int64_t start_time_eof
Definition: ffmpeg.h:97
char * filters
filtergraph associated to the -filter option
Definition: ffmpeg.h:450
int data_disable
Definition: ffmpeg.h:155
float mux_max_delay
Definition: ffmpeg.h:149
int exit_on_error
Definition: ffmpeg_opt.c:107
int accurate_seek
Definition: ffmpeg.h:368
OutputFile ** output_files
Definition: ffmpeg.c:144
int nb_forced_key_frames
Definition: ffmpeg.h:174
int * streamid_map
Definition: ffmpeg.h:158
Main libavfilter public API header.
int nb_stream_maps
Definition: ffmpeg.h:134
SpecifierOpt * copy_initial_nonkeyframes
Definition: ffmpeg.h:193
int ostream_idx
Definition: ffmpeg.h:89
int nb_chroma_intra_matrices
Definition: ffmpeg.h:186
AVRational framerate
Definition: ffmpeg.h:288
void choose_sample_fmt(AVStream *st, AVCodec *codec)
Definition: ffmpeg_filter.c:92
SpecifierOpt * reinit_filters
Definition: ffmpeg.h:201
SpecifierOpt * ts_scale
Definition: ffmpeg.h:121
AVCodecParserContext * parser
Definition: ffmpeg.h:468
int64_t max_pts
Definition: ffmpeg.h:281
AVFilterInOut * out_tmp
Definition: ffmpeg.h:237
int decoding_needed
Definition: ffmpeg.h:259
int nb_canvas_sizes
Definition: ffmpeg.h:206
FilterGraph * init_simple_filtergraph(InputStream *ist, OutputStream *ost)
int rotate_overridden
Definition: ffmpeg.h:429
const char * b
Definition: vf_curves.c:109
SpecifierOpt * discard
Definition: ffmpeg.h:215
int nb_frame_pix_fmts
Definition: ffmpeg.h:112
void * hwaccel_ctx
Definition: ffmpeg.h:422
SpecifierOpt * sample_fmts
Definition: ffmpeg.h:169
SpecifierOpt * guess_layout_max
Definition: ffmpeg.h:211
int eagain
Definition: ffmpeg.h:351
AVBitStreamFilterContext * bitstream_filters
Definition: ffmpeg.h:413
external API header
forced_keyframes_const
Definition: ffmpeg.h:379
int quality
Definition: ffmpeg.h:480
AVFrame * filter_frame
Definition: ffmpeg.h:266
int do_benchmark_all
Definition: ffmpeg_opt.c:100
int nb_program
Definition: ffmpeg.h:220
int last_dropped
Definition: ffmpeg.h:419
FilterGraph ** filtergraphs
Definition: ffmpeg.c:147
int(* hwaccel_get_buffer)(AVCodecContext *s, AVFrame *frame, int flags)
Definition: ffmpeg.h:333
int64_t input_ts_offset
Definition: ffmpeg.h:357
int do_hex_dump
Definition: ffmpeg_opt.c:101
int nb_filter_scripts
Definition: ffmpeg.h:200
const char * name
Definition: ffmpeg.h:71
uint64_t packets_written
Definition: ffmpeg.h:474
AVCodec.
Definition: avcodec.h:3531
SpecifierOpt * filters
Definition: ffmpeg.h:197
int print_stats
Definition: ffmpeg_opt.c:109
float dts_error_threshold
Definition: ffmpeg_opt.c:92
int64_t start_time
start time in microseconds == AV_TIME_BASE units
Definition: ffmpeg.h:494
int index
Definition: ffmpeg.h:242
uint64_t data_size
Definition: ffmpeg.h:472
SpecifierOpt * qscale
Definition: ffmpeg.h:171
SpecifierOpt * frame_pix_fmts
Definition: ffmpeg.h:111
SpecifierOpt * chroma_intra_matrices
Definition: ffmpeg.h:185
struct FilterGraph * graph
Definition: ffmpeg.h:226
SpecifierOpt * intra_matrices
Definition: ffmpeg.h:181
int encoding_needed
Definition: ffmpeg.h:402
Format I/O context.
Definition: avformat.h:1319
void remove_avoptions(AVDictionary **a, AVDictionary *b)
Definition: ffmpeg.c:586
uint64_t samples_decoded
Definition: ffmpeg.h:345
struct InputStream * ist
Definition: ffmpeg.h:225
enum HWAccelID id
Definition: ffmpeg.h:73
uint64_t frames_decoded
Definition: ffmpeg.h:344
AVFilterGraph * graph
Definition: ffmpeg.h:245
Public dictionary API.
char * logfile_prefix
Definition: ffmpeg.h:445
int vdpau_init(AVCodecContext *s)
Definition: ffmpeg_vdpau.c:229
int user_set_discard
Definition: ffmpeg.h:258
int copy_initial_nonkeyframes
Definition: ffmpeg.h:462
uint8_t
AVDictionary * sws_dict
Definition: ffmpeg.h:454
int stdin_interaction
Definition: ffmpeg_opt.c:111
FILE * logfile
Definition: ffmpeg.h:446
AVDictionary * opts
Definition: ffmpeg.h:491
Definition: eval.c:149
int do_benchmark
Definition: ffmpeg_opt.c:99
int audio_sync_method
Definition: ffmpeg_opt.c:95
int nb_max_frames
Definition: ffmpeg.h:164
int shortest
Definition: ffmpeg.h:497
int nb_output_streams
Definition: ffmpeg.c:143
static AVFrame * frame
int nb_streams
Definition: ffmpeg.h:364
int sync_file_index
Definition: ffmpeg.h:82
AVDictionary * resample_opts
Definition: ffmpeg.h:456
int seek_timestamp
Definition: ffmpeg.h:98
void reset_options(OptionsContext *o, int is_input)
AVFilterContext * filter
Definition: ffmpeg.h:231
SpecifierOpt * bitstream_filters
Definition: ffmpeg.h:165
int resample_sample_rate
Definition: ffmpeg.h:298
int init_complex_filtergraph(FilterGraph *fg)
AVCodec * dec
Definition: ffmpeg.h:264
int top_field_first
Definition: ffmpeg.h:289
int file_index
Definition: ffmpeg.h:255
const OptionDef options[]
Definition: ffserver.c:3967
struct InputStream::sub2video sub2video
int resample_pix_fmt
Definition: ffmpeg.h:295
int resample_height
Definition: ffmpeg.h:293
int64_t filter_in_rescale_delta_last
Definition: ffmpeg.h:278
int wrap_correction_done
Definition: ffmpeg.h:276
int ist_in_filtergraph(FilterGraph *fg, InputStream *ist)
unsigned m
Definition: audioconvert.c:187
SpecifierOpt * disposition
Definition: ffmpeg.h:217
int64_t next_dts
Definition: ffmpeg.h:271
Callback for checking whether to abort blocking functions.
Definition: avio.h:50
libswresample public header
int nb_top_field_first
Definition: ffmpeg.h:188
int rate_emu
Definition: ffmpeg.h:367
int nb_discard
Definition: ffmpeg.h:216
enum AVPixelFormat hwaccel_pix_fmt
Definition: ffmpeg.h:335
int ffmpeg_parse_options(int argc, char **argv)
Definition: ffmpeg_opt.c:3016
AVFilterContext * filter
Definition: ffmpeg.h:224
void(* hwaccel_uninit)(AVCodecContext *s)
Definition: ffmpeg.h:332
int nb_filters
Definition: ffmpeg.h:198
int64_t start_time
Definition: ffmpeg.h:96
int64_t start
Definition: ffmpeg.h:268
int loop
Definition: ffmpeg.h:353
uint64_t nb_packets
Definition: ffmpeg.h:342
int seek_timestamp
Definition: ffmpeg.h:362
int64_t last_mux_dts
Definition: ffmpeg.h:412
int video_sync_method
Definition: ffmpeg_opt.c:96
char * sdp_filename
Definition: ffmpeg_opt.c:88
SpecifierOpt * apad
Definition: ffmpeg.h:213
int last_nb0_frames[3]
Definition: ffmpeg.h:420
int dr1
Definition: ffmpeg.h:316
int nb_hwaccel_devices
Definition: ffmpeg.h:128
AudioChannelMap * audio_channel_maps
Definition: ffmpeg.h:135
int nb_disposition
Definition: ffmpeg.h:218
SpecifierOpt * codec_tags
Definition: ffmpeg.h:167
SpecifierOpt * rc_overrides
Definition: ffmpeg.h:179
int(* init)(AVCodecContext *s)
Definition: ffmpeg.h:72
int video_disable
Definition: ffmpeg.h:152
int nb_input_files
Definition: ffmpeg.c:140
int force_fps
Definition: ffmpeg.h:427
int qsv_transcode_init(OutputStream *ost)
Definition: ffmpeg_qsv.c:183
int nb_codec_names
Definition: ffmpeg.h:102
int qp_hist
Definition: ffmpeg_opt.c:110
StreamMap * stream_maps
Definition: ffmpeg.h:133
float frame_drop_threshold
Definition: ffmpeg_opt.c:97
uint64_t limit_filesize
Definition: ffmpeg.h:147
const char * format
Definition: ffmpeg.h:99
int64_t error[4]
Definition: ffmpeg.h:486
int nb_passlogfiles
Definition: ffmpeg.h:210
int nb_force_fps
Definition: ffmpeg.h:176
OutputFilter * filter
Definition: ffmpeg.h:448
AVRational frame_aspect_ratio
Definition: ffmpeg.h:431
int nb_sample_fmts
Definition: ffmpeg.h:170
int file_index
Definition: ffmpeg.h:80
int nb_audio_channel_maps
Definition: ffmpeg.h:136
SpecifierOpt * filter_scripts
Definition: ffmpeg.h:199
int nb_attachments
Definition: ffmpeg.h:141
char * linklabel
Definition: ffmpeg.h:84
int nb_ts_scale
Definition: ffmpeg.h:122
int is_cfr
Definition: ffmpeg.h:426
SpecifierOpt * audio_channels
Definition: ffmpeg.h:103
int saw_first_ts
Definition: ffmpeg.h:285
int nb_audio_sample_rate
Definition: ffmpeg.h:106
int abort_on_flags
Definition: ffmpeg_opt.c:108
int metadata_chapters_manual
Definition: ffmpeg.h:139
struct OutputStream * ost
Definition: ffmpeg.h:232
int accurate_seek
Definition: ffmpeg.h:118
char * apad
Definition: ffmpeg.h:457
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
SpecifierOpt * pass
Definition: ffmpeg.h:207
int64_t nb_samples
Definition: ffmpeg.h:282
SpecifierOpt * audio_sample_rate
Definition: ffmpeg.h:105
double forced_keyframes_expr_const_values[FKF_NB]
Definition: ffmpeg.h:439
int64_t duration
Definition: ffmpeg.h:354
void opt_output_file(void *optctx, const char *filename)
int dxva2_init(AVCodecContext *s)
Definition: ffmpeg_dxva2.c:620
SpecifierOpt * dump_attachment
Definition: ffmpeg.h:123
void assert_avoptions(AVDictionary *m)
Definition: ffmpeg.c:595
SpecifierOpt * canvas_sizes
Definition: ffmpeg.h:205
int nb_codec_tags
Definition: ffmpeg.h:168
int qsv_init(AVCodecContext *s)
Definition: ffmpeg_qsv.c:115
int64_t last_ts
Definition: ffmpeg.h:360
SpecifierOpt * metadata_map
Definition: ffmpeg.h:189
int do_pkt_dump
Definition: ffmpeg_opt.c:102
int64_t max_frames
Definition: ffmpeg.h:416
int(* hwaccel_retrieve_data)(AVCodecContext *s, AVFrame *frame)
Definition: ffmpeg.h:334
int audio_channels_mapped
Definition: ffmpeg.h:443
SpecifierOpt * copy_prior_start
Definition: ffmpeg.h:195
SpecifierOpt * frame_aspect_ratios
Definition: ffmpeg.h:177
SpecifierOpt * frame_sizes
Definition: ffmpeg.h:109
int stream_idx
Definition: ffmpeg.h:88
int nb_hwaccels
Definition: ffmpeg.h:126
int start_at_zero
Definition: ffmpeg_opt.c:104
int ret
Definition: ffmpeg.h:305
FILE * out
Definition: movenc-test.c:54
int audio_volume
Definition: ffmpeg_opt.c:94
Stream structure.
Definition: avformat.h:876
A linked-list of the inputs/outputs of the filter chain.
Definition: avfilter.h:952
InputFilter ** filters
Definition: ffmpeg.h:320
int fix_sub_duration
Definition: ffmpeg.h:302
int64_t recording_time
Definition: ffmpeg.h:363
SpecifierOpt * hwaccels
Definition: ffmpeg.h:125
Definition: ffmpeg.h:70
SpecifierOpt * frame_rates
Definition: ffmpeg.h:107
AVStream * st
Definition: ffmpeg.h:256
int nb_presets
Definition: ffmpeg.h:192
int ost_index
Definition: ffmpeg.h:492
struct InputStream * sync_ist
Definition: ffmpeg.h:406
Libavcodec external API header.
double ts_scale
Definition: ffmpeg.h:284
int64_t recording_time
Definition: ffmpeg.h:145
int unavailable
Definition: ffmpeg.h:459
void term_exit(void)
Definition: ffmpeg.c:308
int chapters_input_file
Definition: ffmpeg.h:143
int64_t stop_time
Definition: ffmpeg.h:146
float max_error_rate
Definition: ffmpeg_opt.c:113
uint64_t frames_encoded
Definition: ffmpeg.h:476
int nb_copy_prior_start
Definition: ffmpeg.h:196
OutputStream ** output_streams
Definition: ffmpeg.c:142
int ist_index
Definition: ffmpeg.h:352
const char * graph_desc
Definition: ffmpeg.h:243
int guess_layout_max
Definition: ffmpeg.h:290
int64_t start_time
Definition: ffmpeg.h:361
main external API structure.
Definition: avcodec.h:1639
InputFile ** input_files
Definition: ffmpeg.c:139
int rate_emu
Definition: ffmpeg.h:117
int metadata_streams_manual
Definition: ffmpeg.h:138
const char * attachment_filename
Definition: ffmpeg.h:461
int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
a very simple circular buffer FIFO implementation
AVRational time_base
Definition: ffmpeg.h:356
AVCodecContext * enc_ctx
Definition: ffmpeg.h:414
int audio_disable
Definition: ffmpeg.h:153
int64_t input_ts_offset
Definition: ffmpeg.h:115
int nb_filtergraphs
Definition: ffmpeg.c:148
AVFrame * decoded_frame
Definition: ffmpeg.h:265
int nb_bitstream_filters
Definition: ffmpeg.h:166
SpecifierOpt * top_field_first
Definition: ffmpeg.h:187
int * audio_channels_map
Definition: ffmpeg.h:442
int configure_filtergraph(FilterGraph *fg)
rational number numerator/denominator
Definition: rational.h:43
int file_index
Definition: ffmpeg.h:398
int metadata_global_manual
Definition: ffmpeg.h:137
int64_t sync_opts
Definition: ffmpeg.h:407
char * vstats_filename
Definition: ffmpeg_opt.c:87
AVCodecContext * dec_ctx
Definition: ffmpeg.h:263
SpecifierOpt * force_fps
Definition: ffmpeg.h:175
char * disposition
Definition: ffmpeg.h:464
struct InputStream::@24 prev_sub
AVMediaType
Definition: avutil.h:191
int nb_fix_sub_duration
Definition: ffmpeg.h:204
int nb_inter_matrices
Definition: ffmpeg.h:184
int nb_streams_warn
Definition: ffmpeg.h:366
AVDictionary * decoder_opts
Definition: ffmpeg.h:287
int shortest
Definition: ffmpeg.h:150
int autorotate
Definition: ffmpeg.h:292
int showed_multi_packet_warning
Definition: ffmpeg.h:286
int frame_bits_per_raw_sample
Definition: ffmpeg_opt.c:112
int64_t ts_offset
Definition: ffmpeg.h:359
int nb_qscale
Definition: ffmpeg.h:172
char * filters_script
filtergraph script associated to the -filter_script option
Definition: ffmpeg.h:451
SpecifierOpt * hwaccel_devices
Definition: ffmpeg.h:127
int nb_input_streams
Definition: ffmpeg.c:138
float audio_drift_threshold
Definition: ffmpeg_opt.c:90
AVFrame * filtered_frame
Definition: ffmpeg.h:417
int nb_autorotate
Definition: ffmpeg.h:130
int nb_audio_channels
Definition: ffmpeg.h:104
int source_index
Definition: ffmpeg.h:400
InputStream ** input_streams
Definition: ffmpeg.c:137
int copy_prior_start
Definition: ffmpeg.h:463
SpecifierOpt * metadata
Definition: ffmpeg.h:161
AVIOContext * progress_avio
Definition: ffmpeg.c:133
int nb_filters
Definition: ffmpeg.h:321
static int flags
Definition: cpu.c:47
AVExpr * forced_keyframes_pexpr
Definition: ffmpeg.h:438
int64_t dts
dts of the last packet read for this stream (in AV_TIME_BASE units)
Definition: ffmpeg.h:272
int forced_kf_count
Definition: ffmpeg.h:435
int resample_sample_fmt
Definition: ffmpeg.h:297
int nb_intra_matrices
Definition: ffmpeg.h:182
OSTFinished finished
Definition: ffmpeg.h:458
char * forced_keyframes
Definition: ffmpeg.h:437
int nb_frame_rates
Definition: ffmpeg.h:108
uint64_t data_size
Definition: ffmpeg.h:340
const AVIOInterruptCB int_cb
Definition: ffmpeg.c:457
int resample_width
Definition: ffmpeg.h:294
int vda_init(AVCodecContext *s)
int64_t next_pts
synthetic pts for the next decode frame (in AV_TIME_BASE units)
Definition: ffmpeg.h:274
Main libavformat public API header.
int reconfiguration
Definition: ffmpeg.h:246
struct FilterGraph * graph
Definition: ffmpeg.h:233
uint64_t limit_filesize
Definition: ffmpeg.h:495
SpecifierOpt * presets
Definition: ffmpeg.h:191
SpecifierOpt * program
Definition: ffmpeg.h:219
int reinit_filters
Definition: ffmpeg.h:323
int nb_frame_sizes
Definition: ffmpeg.h:110
rational numbers
OptionGroup * g
Definition: ffmpeg.h:93
SpecifierOpt * inter_matrices
Definition: ffmpeg.h:183
const char *const forced_keyframes_const_names[]
Definition: ffmpeg.c:114
AVStream * st
Definition: muxing.c:54
SpecifierOpt * forced_key_frames
Definition: ffmpeg.h:173
uint64_t samples_encoded
Definition: ffmpeg.h:477
const char ** attachments
Definition: ffmpeg.h:140
AVFrame * last_frame
Definition: ffmpeg.h:418
int copy_ts
Definition: ffmpeg_opt.c:103
AVFormatContext * ctx
Definition: ffmpeg.h:349
int pict_type
Definition: ffmpeg.h:483
int stream_index
Definition: ffmpeg.h:81
AVCodec * enc
Definition: ffmpeg.h:415
AVSubtitle subtitle
Definition: ffmpeg.h:306
enum AVPixelFormat pix_fmt
Definition: ffmpeg.h:74
int eof_reached
Definition: ffmpeg.h:350
int nb_metadata_map
Definition: ffmpeg.h:190
int forced_kf_index
Definition: ffmpeg.h:436
int nb_rc_overrides
Definition: ffmpeg.h:180
int do_deinterlace
Definition: ffmpeg_opt.c:98
SpecifierOpt * fix_sub_duration
Definition: ffmpeg.h:203
Definition: ffmpeg.h:385
pixel format definitions
char * avfilter
Definition: ffmpeg.h:449
SpecifierOpt * autorotate
Definition: ffmpeg.h:129
uint8_t * name
Definition: ffmpeg.h:227
float dts_delta_threshold
Definition: ffmpeg_opt.c:91
void * hwaccel_ctx
Definition: ffmpeg.h:331
int guess_input_channel_layout(InputStream *ist)
Definition: ffmpeg.c:1911
int top_field_first
Definition: ffmpeg.h:428
OutputFilter ** outputs
Definition: ffmpeg.h:250
SpecifierOpt * max_frames
Definition: ffmpeg.h:163
int nb_copy_initial_nonkeyframes
Definition: ffmpeg.h:194
int disabled
Definition: ffmpeg.h:79
AVFormatContext * ctx
Definition: ffmpeg.h:490
int nb_output_files
Definition: ffmpeg.c:145
SpecifierOpt * codec_names
Definition: ffmpeg.h:101
void show_usage(void)
Definition: ffmpeg_opt.c:2966
int thread_queue_size
Definition: ffmpeg.h:119
An instance of a filter.
Definition: avfilter.h:305
char * hwaccel_device
Definition: ffmpeg.h:327
AVDictionary * encoder_opts
Definition: ffmpeg.h:453
InputFilter ** inputs
Definition: ffmpeg.h:248
char * videotoolbox_pixfmt
enum AVPixelFormat hwaccel_retrieved_pix_fmt
Definition: ffmpeg.h:336
int sync_stream_index
Definition: ffmpeg.h:83
int copy_tb
Definition: ffmpeg_opt.c:105
int64_t min_pts
Definition: ffmpeg.h:280
int discard
Definition: ffmpeg.h:257
enum HWAccelID hwaccel_id
Definition: ffmpeg.h:326
int64_t first_pts
Definition: ffmpeg.h:410
int nb_inputs
Definition: ffmpeg.h:249
int index
Definition: ffmpeg.h:399
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
uint64_t resample_channel_layout
Definition: ffmpeg.h:300
OSTFinished
Definition: ffmpeg.h:392
enum AVMediaType type
Definition: ffmpeg.h:238
int nb_reinit_filters
Definition: ffmpeg.h:202
int debug_ts
Definition: ffmpeg_opt.c:106
int nb_guess_layout_max
Definition: ffmpeg.h:212
void term_init(void)
Definition: ffmpeg.c:366
int nb_frame_aspect_ratios
Definition: ffmpeg.h:178
const HWAccel hwaccels[]
Definition: ffmpeg_opt.c:68
int videotoolbox_init(AVCodecContext *s)
Definition: ffmpeg.h:384
simple arithmetic expression evaluator
int subtitle_disable
Definition: ffmpeg.h:154