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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
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  */
19 #ifndef FFMPEG_H
20 #define FFMPEG_H
22 #include "config.h"
24 #include <stdint.h>
25 #include <stdio.h>
26 #include <signal.h>
29 #include <pthread.h>
30 #endif
32 #include "cmdutils.h"
34 #include "libavformat/avformat.h"
35 #include "libavformat/avio.h"
37 #include "libavcodec/avcodec.h"
39 #include "libavfilter/avfilter.h"
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"
51 #define VSYNC_AUTO -1
53 #define VSYNC_CFR 1
54 #define VSYNC_VFR 2
55 #define VSYNC_VSCFR 0xfe
56 #define VSYNC_DROP 0xff
58 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
60 enum HWAccelID {
70 };
72 typedef struct HWAccel {
73  const char *name;
74  int (*init)(AVCodecContext *s);
75  enum HWAccelID id;
77 } HWAccel;
79 /* select an input stream for an output stream */
80 typedef struct StreamMap {
81  int disabled; /* 1 is this mapping is disabled by a negative map */
86  char *linklabel; /* name of an output link, for mapping lavfi outputs */
87 } StreamMap;
89 typedef struct {
90  int file_idx, stream_idx, channel_idx; // input
91  int ofile_idx, ostream_idx; // output
94 typedef struct OptionsContext {
97  /* input/output options */
98  int64_t start_time;
99  int64_t start_time_eof;
101  const char *format;
116  /* input options */
118  int loop;
119  int rate_emu;
136  /* output options */
139  AudioChannelMap *audio_channel_maps; /* one info entry per -map_channel */
140  int nb_audio_channel_maps; /* number of (valid) -map_channel settings */
144  const char **attachments;
149  int64_t recording_time;
150  int64_t stop_time;
151  uint64_t limit_filesize;
152  float mux_preload;
154  int shortest;
161  /* indexed by output file stream index */
212  int nb_pass;
218  int nb_apad;
227 typedef struct InputFilter {
229  struct InputStream *ist;
232 } InputFilter;
234 typedef struct OutputFilter {
236  struct OutputStream *ost;
240  /* temporary storage until stream maps are processed */
243 } OutputFilter;
245 typedef struct FilterGraph {
246  int index;
247  const char *graph_desc;
256 } FilterGraph;
258 typedef struct InputStream {
261  int discard; /* true if stream data should be discarded */
263  int decoding_needed; /* non zero if the packets must be decoded in 'raw_fifo', see DECODING_FOR_* */
264 #define DECODING_FOR_OST 1
270  AVFrame *filter_frame; /* a ref of decoded_frame, to be sent to filters */
272  int64_t start; /* time when read started */
273  /* predicted dts of the next packet read for this stream or (when there are
274  * several frames in a packet) of the next frame in current packet (in AV_TIME_BASE units) */
275  int64_t next_dts;
276  int64_t dts; ///< dts of the last packet read for this stream (in AV_TIME_BASE units)
278  int64_t next_pts; ///< synthetic pts for the next decode frame (in AV_TIME_BASE units)
279  int64_t pts; ///< current pts of the decoded frame (in AV_TIME_BASE units)
284  int64_t min_pts; /* pts with the smallest value in a current stream */
285  int64_t max_pts; /* pts with the higher value in a current stream */
286  int64_t nb_samples; /* number of samples in the last decoded audio frame before looping */
288  double ts_scale;
292  AVRational framerate; /* framerate forced with -r */
307  struct { /* previous decoded subtitle and related variables */
309  int ret;
311  } prev_sub;
313  struct sub2video {
314  int64_t last_pts;
315  int64_t end_pts;
317  int w, h;
318  } sub2video;
320  int dr1;
322  /* decoded data from this stream goes into all those filters
323  * currently video and audio only */
329  /* hwaccel options */
334  /* hwaccel context */
336  void *hwaccel_ctx;
344  /* stats */
345  // combined size of all the packets read
346  uint64_t data_size;
347  /* number of packets successfully read for this stream */
348  uint64_t nb_packets;
349  // number of frames/samples retrieved from the decoder
350  uint64_t frames_decoded;
351  uint64_t samples_decoded;
352 } InputStream;
354 typedef struct InputFile {
356  int eof_reached; /* true if eof reached */
357  int eagain; /* true if last read attempt returned EAGAIN */
358  int ist_index; /* index of first stream in input_streams */
359  int loop; /* set number of times input stream should be looped */
360  int64_t duration; /* actual duration of the longest stream in a file
361  at the moment when looping happens */
362  AVRational time_base; /* time base of the duration */
365  int64_t ts_offset;
366  int64_t last_ts;
367  int64_t start_time; /* user-specified start time in AV_TIME_BASE or AV_NOPTS_VALUE */
369  int64_t recording_time;
370  int nb_streams; /* number of stream that ffmpeg is aware of; may be different
371  from ctx.nb_streams if new streams appear during av_read_frame() */
372  int nb_streams_warn; /* number of streams that the user was warned of */
373  int rate_emu;
377  AVThreadMessageQueue *in_thread_queue;
378  pthread_t thread; /* thread reading from this file */
379  int non_blocking; /* reading packets from the thread should not block */
380  int joined; /* the thread has been joined */
381  int thread_queue_size; /* maximum number of queued packets */
382 #endif
383 } InputFile;
392 };
394 #define ABORT_ON_FLAG_EMPTY_OUTPUT (1 << 0)
396 extern const char *const forced_keyframes_const_names[];
398 typedef enum {
401 } OSTFinished ;
403 typedef struct OutputStream {
404  int file_index; /* file index */
405  int index; /* stream index in the output file */
406  int source_index; /* InputStream index */
407  AVStream *st; /* stream in the output file */
408  int encoding_needed; /* true if encoding needed for this stream */
410  /* input pts and corresponding output pts
411  for A/V sync */
412  struct InputStream *sync_ist; /* input stream to sync against */
413  int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
414  /* pts of the first frame encoded for this stream, used for limiting
415  * recording time */
416  int64_t first_pts;
417  /* dts of the last packet sent to the muxer */
418  int64_t last_mux_dts;
422  int64_t max_frames;
428  void *hwaccel_ctx;
430  /* video only */
432  int is_cfr;
439  /* forced key frames */
440  int64_t *forced_kf_pts;
447  /* audio only */
448  int *audio_channels_map; /* list of the channels id to pick from the source stream */
449  int audio_channels_mapped; /* number of channels in audio_channels_map */
452  FILE *logfile;
455  char *avfilter;
456  char *filters; ///< filtergraph associated to the -filter option
457  char *filters_script; ///< filtergraph script associated to the -filter_script option
463  char *apad;
464  OSTFinished finished; /* no more packets should be written for this stream */
465  int unavailable; /* true if the steram is unavailable (possibly temporarily) */
467  const char *attachment_filename;
470  char *disposition;
476  /* stats */
477  // combined size of all the packets written
478  uint64_t data_size;
479  // number of packets send to the muxer
480  uint64_t packets_written;
481  // number of frames/samples sent to the encoder
482  uint64_t frames_encoded;
483  uint64_t samples_encoded;
485  /* packet quality factor */
486  int quality;
488  /* packet picture type */
491  /* frame encode sum of squared error values */
492  int64_t error[4];
493 } OutputStream;
495 typedef struct OutputFile {
498  int ost_index; /* index of the first stream in output_streams */
499  int64_t recording_time; ///< desired length of the resulting file in microseconds == AV_TIME_BASE units
500  int64_t start_time; ///< start time in microseconds == AV_TIME_BASE units
501  uint64_t limit_filesize; /* filesize limit expressed in bytes */
503  int shortest;
504 } OutputFile;
506 extern InputStream **input_streams;
507 extern int nb_input_streams;
508 extern InputFile **input_files;
509 extern int nb_input_files;
512 extern int nb_output_streams;
513 extern OutputFile **output_files;
514 extern int nb_output_files;
516 extern FilterGraph **filtergraphs;
517 extern int nb_filtergraphs;
519 extern char *vstats_filename;
520 extern char *sdp_filename;
522 extern float audio_drift_threshold;
523 extern float dts_delta_threshold;
524 extern float dts_error_threshold;
526 extern int audio_volume;
527 extern int audio_sync_method;
528 extern int video_sync_method;
529 extern float frame_drop_threshold;
530 extern int do_benchmark;
531 extern int do_benchmark_all;
532 extern int do_deinterlace;
533 extern int do_hex_dump;
534 extern int do_pkt_dump;
535 extern int copy_ts;
536 extern int start_at_zero;
537 extern int copy_tb;
538 extern int debug_ts;
539 extern int exit_on_error;
540 extern int abort_on_flags;
541 extern int print_stats;
542 extern int qp_hist;
543 extern int stdin_interaction;
544 extern int frame_bits_per_raw_sample;
545 extern AVIOContext *progress_avio;
546 extern float max_error_rate;
547 extern char *videotoolbox_pixfmt;
549 extern const AVIOInterruptCB int_cb;
551 extern const OptionDef options[];
552 extern const HWAccel hwaccels[];
553 extern int hwaccel_lax_profile_check;
554 extern AVBufferRef *hw_device_ctx;
557 void term_init(void);
558 void term_exit(void);
560 void reset_options(OptionsContext *o, int is_input);
561 void show_usage(void);
563 void opt_output_file(void *optctx, const char *filename);
570 enum AVPixelFormat choose_pixel_fmt(AVStream *st, AVCodecContext *avctx, AVCodec *codec, enum AVPixelFormat target);
571 void choose_sample_fmt(AVStream *st, AVCodec *codec);
579 int ffmpeg_parse_options(int argc, char **argv);
588 int vaapi_device_init(const char *device);
592 #endif /* FFMPEG_H */
int64_t pts
current pts of the decoded frame (in AV_TIME_BASE units)
Definition: ffmpeg.h:279
SpecifierOpt * passlogfiles
Definition: ffmpeg.h:213
int nb_dump_attachment
Definition: ffmpeg.h:126
int got_output
Definition: ffmpeg.h:308
int nb_metadata
Definition: ffmpeg.h:166
int nb_streamid_map
Definition: ffmpeg.h:163
int frame_number
Definition: ffmpeg.h:409
Definition: ffmpeg.h:386
enum HWAccelID active_hwaccel_id
Definition: ffmpeg.h:335
int keep_pix_fmt
Definition: ffmpeg.h:472
const char * s
Definition: avisynth_c.h:631
Bytestream IO Context.
Definition: avio.h:147
float mux_preload
Definition: ffmpeg.h:152
int64_t recording_time
desired length of the resulting file in microseconds == AV_TIME_BASE units
Definition: ffmpeg.h:499
Definition: ffmpeg.h:60
Buffered I/O operations.
uint8_t * name
Definition: ffmpeg.h:238
int nb_outputs
Definition: ffmpeg.h:255
AVDictionary * swr_opts
Definition: ffmpeg.h:461
int resample_channels
Definition: ffmpeg.h:303
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:184
int stream_copy
Definition: ffmpeg.h:466
AVRational frame_rate
Definition: ffmpeg.h:431
int64_t * forced_kf_pts
Definition: ffmpeg.h:440
int64_t start_time_eof
Definition: ffmpeg.h:99
AVBufferRef * hw_frames_ctx
Definition: ffmpeg.h:342
char * filters
filtergraph associated to the -filter option
Definition: ffmpeg.h:456
SpecifierOpt * hwaccel_output_formats
Definition: ffmpeg.h:131
int data_disable
Definition: ffmpeg.h:159
float mux_max_delay
Definition: ffmpeg.h:153
int exit_on_error
Definition: ffmpeg_opt.c:115
int accurate_seek
Definition: ffmpeg.h:374
OutputFile ** output_files
Definition: ffmpeg.c:144
int nb_forced_key_frames
Definition: ffmpeg.h:178
int * streamid_map
Definition: ffmpeg.h:162
Main libavfilter public API header.
int nb_stream_maps
Definition: ffmpeg.h:138
SpecifierOpt * copy_initial_nonkeyframes
Definition: ffmpeg.h:197
int ostream_idx
Definition: ffmpeg.h:91
int nb_chroma_intra_matrices
Definition: ffmpeg.h:190
AVRational framerate
Definition: ffmpeg.h:292
void choose_sample_fmt(AVStream *st, AVCodec *codec)
Definition: ffmpeg_filter.c:92
SpecifierOpt * reinit_filters
Definition: ffmpeg.h:205
SpecifierOpt * ts_scale
Definition: ffmpeg.h:123
AVCodecParserContext * parser
Definition: ffmpeg.h:474
int64_t max_pts
Definition: ffmpeg.h:285
AVFilterInOut * out_tmp
Definition: ffmpeg.h:241
int decoding_needed
Definition: ffmpeg.h:263
int nb_canvas_sizes
Definition: ffmpeg.h:210
FilterGraph * init_simple_filtergraph(InputStream *ist, OutputStream *ost)
int rotate_overridden
Definition: ffmpeg.h:435
const char * b
Definition: vf_curves.c:109
SpecifierOpt * discard
Definition: ffmpeg.h:219
int nb_frame_pix_fmts
Definition: ffmpeg.h:114
void * hwaccel_ctx
Definition: ffmpeg.h:428
SpecifierOpt * sample_fmts
Definition: ffmpeg.h:173
SpecifierOpt * guess_layout_max
Definition: ffmpeg.h:215
int eagain
Definition: ffmpeg.h:357
AVBitStreamFilterContext * bitstream_filters
Definition: ffmpeg.h:419
external API header
Definition: ffmpeg.h:385
int quality
Definition: ffmpeg.h:486
int cuvid_init(AVCodecContext *s)
Definition: ffmpeg_cuvid.c:47
AVFrame * filter_frame
Definition: ffmpeg.h:270
int do_benchmark_all
Definition: ffmpeg_opt.c:108
int nb_program
Definition: ffmpeg.h:224
int last_dropped
Definition: ffmpeg.h:425
FilterGraph ** filtergraphs
Definition: ffmpeg.c:147
int(* hwaccel_get_buffer)(AVCodecContext *s, AVFrame *frame, int flags)
Definition: ffmpeg.h:338
int64_t input_ts_offset
Definition: ffmpeg.h:363
int do_hex_dump
Definition: ffmpeg_opt.c:109
int nb_filter_scripts
Definition: ffmpeg.h:204
const char * name
Definition: ffmpeg.h:73
uint64_t packets_written
Definition: ffmpeg.h:480
Definition: avcodec.h:3542
SpecifierOpt * filters
Definition: ffmpeg.h:201
int print_stats
Definition: ffmpeg_opt.c:117
float dts_error_threshold
Definition: ffmpeg_opt.c:100
int64_t start_time
start time in microseconds == AV_TIME_BASE units
Definition: ffmpeg.h:500
int index
Definition: ffmpeg.h:246
uint64_t data_size
Definition: ffmpeg.h:478
SpecifierOpt * qscale
Definition: ffmpeg.h:175
SpecifierOpt * frame_pix_fmts
Definition: ffmpeg.h:113
SpecifierOpt * chroma_intra_matrices
Definition: ffmpeg.h:189
struct FilterGraph * graph
Definition: ffmpeg.h:230
SpecifierOpt * intra_matrices
Definition: ffmpeg.h:185
int encoding_needed
Definition: ffmpeg.h:408
Format I/O context.
Definition: avformat.h:1325
void remove_avoptions(AVDictionary **a, AVDictionary *b)
Definition: ffmpeg.c:586
uint64_t samples_decoded
Definition: ffmpeg.h:351
struct InputStream * ist
Definition: ffmpeg.h:229
enum HWAccelID id
Definition: ffmpeg.h:75
uint64_t frames_decoded
Definition: ffmpeg.h:350
AVFilterGraph * graph
Definition: ffmpeg.h:249
Public dictionary API.
char * logfile_prefix
Definition: ffmpeg.h:451
int vdpau_init(AVCodecContext *s)
Definition: ffmpeg_vdpau.c:145
int user_set_discard
Definition: ffmpeg.h:262
int copy_initial_nonkeyframes
Definition: ffmpeg.h:468
AVDictionary * sws_dict
Definition: ffmpeg.h:460
int stdin_interaction
Definition: ffmpeg_opt.c:119
FILE * logfile
Definition: ffmpeg.h:452
AVDictionary * opts
Definition: ffmpeg.h:497
Definition: eval.c:149
int do_benchmark
Definition: ffmpeg_opt.c:107
int audio_sync_method
Definition: ffmpeg_opt.c:103
int nb_max_frames
Definition: ffmpeg.h:168
int shortest
Definition: ffmpeg.h:503
int nb_output_streams
Definition: ffmpeg.c:143
static AVFrame * frame
int nb_streams
Definition: ffmpeg.h:370
int sync_file_index
Definition: ffmpeg.h:84
AVDictionary * resample_opts
Definition: ffmpeg.h:462
int seek_timestamp
Definition: ffmpeg.h:100
void reset_options(OptionsContext *o, int is_input)
AVFilterContext * filter
Definition: ffmpeg.h:235
SpecifierOpt * bitstream_filters
Definition: ffmpeg.h:169
int resample_sample_rate
Definition: ffmpeg.h:302
int init_complex_filtergraph(FilterGraph *fg)
AVCodec * dec
Definition: ffmpeg.h:268
int top_field_first
Definition: ffmpeg.h:293
int file_index
Definition: ffmpeg.h:259
const OptionDef options[]
Definition: ffserver.c:3969
struct InputStream::sub2video sub2video
int resample_pix_fmt
Definition: ffmpeg.h:299
int resample_height
Definition: ffmpeg.h:297
int64_t filter_in_rescale_delta_last
Definition: ffmpeg.h:282
int wrap_correction_done
Definition: ffmpeg.h:280
int ist_in_filtergraph(FilterGraph *fg, InputStream *ist)
unsigned m
Definition: audioconvert.c:187
SpecifierOpt * disposition
Definition: ffmpeg.h:221
int64_t next_dts
Definition: ffmpeg.h:275
Callback for checking whether to abort blocking functions.
Definition: avio.h:50
libswresample public header
int nb_top_field_first
Definition: ffmpeg.h:192
int rate_emu
Definition: ffmpeg.h:373
int nb_discard
Definition: ffmpeg.h:220
enum AVPixelFormat hwaccel_pix_fmt
Definition: ffmpeg.h:340
int ffmpeg_parse_options(int argc, char **argv)
Definition: ffmpeg_opt.c:3049
AVFilterContext * filter
Definition: ffmpeg.h:228
void(* hwaccel_uninit)(AVCodecContext *s)
Definition: ffmpeg.h:337
int nb_filters
Definition: ffmpeg.h:202
int64_t start_time
Definition: ffmpeg.h:98
int64_t start
Definition: ffmpeg.h:272
int loop
Definition: ffmpeg.h:359
uint64_t nb_packets
Definition: ffmpeg.h:348
int seek_timestamp
Definition: ffmpeg.h:368
int64_t last_mux_dts
Definition: ffmpeg.h:418
int video_sync_method
Definition: ffmpeg_opt.c:104
char * sdp_filename
Definition: ffmpeg_opt.c:96
SpecifierOpt * apad
Definition: ffmpeg.h:217
int last_nb0_frames[3]
Definition: ffmpeg.h:426
int vaapi_device_init(const char *device)
Definition: ffmpeg_vaapi.c:526
int dr1
Definition: ffmpeg.h:320
int nb_hwaccel_devices
Definition: ffmpeg.h:130
AudioChannelMap * audio_channel_maps
Definition: ffmpeg.h:139
int nb_disposition
Definition: ffmpeg.h:222
int cuvid_transcode_init(OutputStream *ost)
Definition: ffmpeg_cuvid.c:70
SpecifierOpt * codec_tags
Definition: ffmpeg.h:171
SpecifierOpt * rc_overrides
Definition: ffmpeg.h:183
int(* init)(AVCodecContext *s)
Definition: ffmpeg.h:74
int video_disable
Definition: ffmpeg.h:156
int nb_input_files
Definition: ffmpeg.c:140
int force_fps
Definition: ffmpeg.h:433
int qsv_transcode_init(OutputStream *ost)
Definition: ffmpeg_qsv.c:183
int nb_codec_names
Definition: ffmpeg.h:104
int qp_hist
Definition: ffmpeg_opt.c:118
StreamMap * stream_maps
Definition: ffmpeg.h:137
int hwaccel_lax_profile_check
Definition: ffmpeg_opt.c:92
float frame_drop_threshold
Definition: ffmpeg_opt.c:105
uint64_t limit_filesize
Definition: ffmpeg.h:151
const char * format
Definition: ffmpeg.h:101
int64_t error[4]
Definition: ffmpeg.h:492
int nb_passlogfiles
Definition: ffmpeg.h:214
int nb_force_fps
Definition: ffmpeg.h:180
OutputFilter * filter
Definition: ffmpeg.h:454
AVRational frame_aspect_ratio
Definition: ffmpeg.h:437
int nb_sample_fmts
Definition: ffmpeg.h:174
int file_index
Definition: ffmpeg.h:82
int nb_audio_channel_maps
Definition: ffmpeg.h:140
SpecifierOpt * filter_scripts
Definition: ffmpeg.h:203
int vaapi_decode_init(AVCodecContext *avctx)
Definition: ffmpeg_vaapi.c:411
int nb_attachments
Definition: ffmpeg.h:145
char * linklabel
Definition: ffmpeg.h:86
int nb_hwaccel_output_formats
Definition: ffmpeg.h:132
int nb_ts_scale
Definition: ffmpeg.h:124
int is_cfr
Definition: ffmpeg.h:432
SpecifierOpt * audio_channels
Definition: ffmpeg.h:105
int saw_first_ts
Definition: ffmpeg.h:289
int nb_audio_sample_rate
Definition: ffmpeg.h:108
int abort_on_flags
Definition: ffmpeg_opt.c:116
int metadata_chapters_manual
Definition: ffmpeg.h:143
struct OutputStream * ost
Definition: ffmpeg.h:236
int accurate_seek
Definition: ffmpeg.h:120
char * apad
Definition: ffmpeg.h:463
SpecifierOpt * pass
Definition: ffmpeg.h:211
int64_t nb_samples
Definition: ffmpeg.h:286
SpecifierOpt * audio_sample_rate
Definition: ffmpeg.h:107
double forced_keyframes_expr_const_values[FKF_NB]
Definition: ffmpeg.h:445
int64_t duration
Definition: ffmpeg.h:360
void opt_output_file(void *optctx, const char *filename)
int dxva2_init(AVCodecContext *s)
Definition: ffmpeg_dxva2.c:409
SpecifierOpt * dump_attachment
Definition: ffmpeg.h:125
void assert_avoptions(AVDictionary *m)
Definition: ffmpeg.c:595
SpecifierOpt * canvas_sizes
Definition: ffmpeg.h:209
int nb_codec_tags
Definition: ffmpeg.h:172
int qsv_init(AVCodecContext *s)
Definition: ffmpeg_qsv.c:115
int64_t last_ts
Definition: ffmpeg.h:366
SpecifierOpt * metadata_map
Definition: ffmpeg.h:193
int do_pkt_dump
Definition: ffmpeg_opt.c:110
int64_t max_frames
Definition: ffmpeg.h:422
int(* hwaccel_retrieve_data)(AVCodecContext *s, AVFrame *frame)
Definition: ffmpeg.h:339
int audio_channels_mapped
Definition: ffmpeg.h:449
SpecifierOpt * copy_prior_start
Definition: ffmpeg.h:199
SpecifierOpt * frame_aspect_ratios
Definition: ffmpeg.h:181
SpecifierOpt * frame_sizes
Definition: ffmpeg.h:111
int stream_idx
Definition: ffmpeg.h:90
int nb_hwaccels
Definition: ffmpeg.h:128
int start_at_zero
Definition: ffmpeg_opt.c:112
int ret
Definition: ffmpeg.h:309
int audio_volume
Definition: ffmpeg_opt.c:102
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:324
int fix_sub_duration
Definition: ffmpeg.h:306
int64_t recording_time
Definition: ffmpeg.h:369
SpecifierOpt * hwaccels
Definition: ffmpeg.h:127
Definition: ffmpeg.h:72
SpecifierOpt * frame_rates
Definition: ffmpeg.h:109
AVStream * st
Definition: ffmpeg.h:260
int nb_presets
Definition: ffmpeg.h:196
int ost_index
Definition: ffmpeg.h:498
struct InputStream * sync_ist
Definition: ffmpeg.h:412
Libavcodec external API header.
double ts_scale
Definition: ffmpeg.h:288
int64_t recording_time
Definition: ffmpeg.h:149
int unavailable
Definition: ffmpeg.h:465
void term_exit(void)
Definition: ffmpeg.c:308
int chapters_input_file
Definition: ffmpeg.h:147
int64_t stop_time
Definition: ffmpeg.h:150
float max_error_rate
Definition: ffmpeg_opt.c:121
uint64_t frames_encoded
Definition: ffmpeg.h:482
int nb_copy_prior_start
Definition: ffmpeg.h:200
OutputStream ** output_streams
Definition: ffmpeg.c:142
int ist_index
Definition: ffmpeg.h:358
const char * graph_desc
Definition: ffmpeg.h:247
int guess_layout_max
Definition: ffmpeg.h:294
int64_t start_time
Definition: ffmpeg.h:367
main external API structure.
Definition: avcodec.h:1649
InputFile ** input_files
Definition: ffmpeg.c:139
int rate_emu
Definition: ffmpeg.h:119
int metadata_streams_manual
Definition: ffmpeg.h:142
const char * attachment_filename
Definition: ffmpeg.h:467
int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
a very simple circular buffer FIFO implementation
AVRational time_base
Definition: ffmpeg.h:362
AVCodecContext * enc_ctx
Definition: ffmpeg.h:420
int audio_disable
Definition: ffmpeg.h:157
int64_t input_ts_offset
Definition: ffmpeg.h:117
int nb_filtergraphs
Definition: ffmpeg.c:148
AVFrame * decoded_frame
Definition: ffmpeg.h:269
int nb_bitstream_filters
Definition: ffmpeg.h:170
SpecifierOpt * top_field_first
Definition: ffmpeg.h:191
int * audio_channels_map
Definition: ffmpeg.h:448
int configure_filtergraph(FilterGraph *fg)
rational number numerator/denominator
Definition: rational.h:43
int file_index
Definition: ffmpeg.h:404
int metadata_global_manual
Definition: ffmpeg.h:141
int64_t sync_opts
Definition: ffmpeg.h:413
char * vstats_filename
Definition: ffmpeg_opt.c:95
AVCodecContext * dec_ctx
Definition: ffmpeg.h:267
SpecifierOpt * force_fps
Definition: ffmpeg.h:179
char * disposition
Definition: ffmpeg.h:470
struct InputStream::@24 prev_sub
Definition: avutil.h:191
int nb_fix_sub_duration
Definition: ffmpeg.h:208
int nb_inter_matrices
Definition: ffmpeg.h:188
int nb_streams_warn
Definition: ffmpeg.h:372
AVDictionary * decoder_opts
Definition: ffmpeg.h:291
int shortest
Definition: ffmpeg.h:154
int autorotate
Definition: ffmpeg.h:296
int showed_multi_packet_warning
Definition: ffmpeg.h:290
int frame_bits_per_raw_sample
Definition: ffmpeg_opt.c:120
int64_t ts_offset
Definition: ffmpeg.h:365
int nb_qscale
Definition: ffmpeg.h:176
char * filters_script
filtergraph script associated to the -filter_script option
Definition: ffmpeg.h:457
SpecifierOpt * hwaccel_devices
Definition: ffmpeg.h:129
int nb_input_streams
Definition: ffmpeg.c:138
float audio_drift_threshold
Definition: ffmpeg_opt.c:98
enum AVPixelFormat hwaccel_output_format
Definition: ffmpeg.h:332
AVFrame * filtered_frame
Definition: ffmpeg.h:423
int nb_autorotate
Definition: ffmpeg.h:134
int nb_audio_channels
Definition: ffmpeg.h:106
int source_index
Definition: ffmpeg.h:406
InputStream ** input_streams
Definition: ffmpeg.c:137
int copy_prior_start
Definition: ffmpeg.h:469
SpecifierOpt * metadata
Definition: ffmpeg.h:165
AVIOContext * progress_avio
Definition: ffmpeg.c:133
int nb_filters
Definition: ffmpeg.h:325
static int flags
Definition: cpu.c:47
AVExpr * forced_keyframes_pexpr
Definition: ffmpeg.h:444
int64_t dts
dts of the last packet read for this stream (in AV_TIME_BASE units)
Definition: ffmpeg.h:276
int forced_kf_count
Definition: ffmpeg.h:441
int resample_sample_fmt
Definition: ffmpeg.h:301
int nb_intra_matrices
Definition: ffmpeg.h:186
OSTFinished finished
Definition: ffmpeg.h:464
char * forced_keyframes
Definition: ffmpeg.h:443
int nb_frame_rates
Definition: ffmpeg.h:110
uint64_t data_size
Definition: ffmpeg.h:346
const AVIOInterruptCB int_cb
Definition: ffmpeg.c:457
int resample_width
Definition: ffmpeg.h:298
A reference to a data buffer.
Definition: buffer.h:81
int vda_init(AVCodecContext *s)
int64_t next_pts
synthetic pts for the next decode frame (in AV_TIME_BASE units)
Definition: ffmpeg.h:278
Main libavformat public API header.
int reconfiguration
Definition: ffmpeg.h:250
struct FilterGraph * graph
Definition: ffmpeg.h:237
uint64_t limit_filesize
Definition: ffmpeg.h:501
SpecifierOpt * presets
Definition: ffmpeg.h:195
SpecifierOpt * program
Definition: ffmpeg.h:223
int reinit_filters
Definition: ffmpeg.h:327
int nb_frame_sizes
Definition: ffmpeg.h:112
rational numbers
OptionGroup * g
Definition: ffmpeg.h:95
SpecifierOpt * inter_matrices
Definition: ffmpeg.h:187
const char *const forced_keyframes_const_names[]
Definition: ffmpeg.c:114
AVStream * st
Definition: muxing.c:54
SpecifierOpt * forced_key_frames
Definition: ffmpeg.h:177
uint64_t samples_encoded
Definition: ffmpeg.h:483
const char ** attachments
Definition: ffmpeg.h:144
AVFrame * last_frame
Definition: ffmpeg.h:424
int copy_ts
Definition: ffmpeg_opt.c:111
AVFormatContext * ctx
Definition: ffmpeg.h:355
int pict_type
Definition: ffmpeg.h:489
AVBufferRef * hw_device_ctx
Definition: ffmpeg_opt.c:93
int stream_index
Definition: ffmpeg.h:83
AVCodec * enc
Definition: ffmpeg.h:421
AVSubtitle subtitle
Definition: ffmpeg.h:310
enum AVPixelFormat pix_fmt
Definition: ffmpeg.h:76
int eof_reached
Definition: ffmpeg.h:356
int nb_metadata_map
Definition: ffmpeg.h:194
int forced_kf_index
Definition: ffmpeg.h:442
int nb_rc_overrides
Definition: ffmpeg.h:184
int do_deinterlace
Definition: ffmpeg_opt.c:106
SpecifierOpt * fix_sub_duration
Definition: ffmpeg.h:207
Definition: ffmpeg.h:391
pixel format definitions
char * avfilter
Definition: ffmpeg.h:455
SpecifierOpt * autorotate
Definition: ffmpeg.h:133
uint8_t * name
Definition: ffmpeg.h:231
float dts_delta_threshold
Definition: ffmpeg_opt.c:99
void * hwaccel_ctx
Definition: ffmpeg.h:336
int guess_input_channel_layout(InputStream *ist)
Definition: ffmpeg.c:1911
int top_field_first
Definition: ffmpeg.h:434
OutputFilter ** outputs
Definition: ffmpeg.h:254
SpecifierOpt * max_frames
Definition: ffmpeg.h:167
int nb_copy_initial_nonkeyframes
Definition: ffmpeg.h:198
int disabled
Definition: ffmpeg.h:81
AVFormatContext * ctx
Definition: ffmpeg.h:496
int nb_output_files
Definition: ffmpeg.c:145
SpecifierOpt * codec_names
Definition: ffmpeg.h:103
void show_usage(void)
Definition: ffmpeg_opt.c:2999
int thread_queue_size
Definition: ffmpeg.h:121
An instance of a filter.
Definition: avfilter.h:305
char * hwaccel_device
Definition: ffmpeg.h:331
AVDictionary * encoder_opts
Definition: ffmpeg.h:459
FILE * out
Definition: movenc.c:54
InputFilter ** inputs
Definition: ffmpeg.h:252
char * videotoolbox_pixfmt
enum AVPixelFormat hwaccel_retrieved_pix_fmt
Definition: ffmpeg.h:341
int sync_stream_index
Definition: ffmpeg.h:85
int copy_tb
Definition: ffmpeg_opt.c:113
int64_t min_pts
Definition: ffmpeg.h:284
int discard
Definition: ffmpeg.h:261
enum HWAccelID hwaccel_id
Definition: ffmpeg.h:330
int64_t first_pts
Definition: ffmpeg.h:416
int nb_inputs
Definition: ffmpeg.h:253
int index
Definition: ffmpeg.h:405
Pixel format.
Definition: pixfmt.h:60
uint64_t resample_channel_layout
Definition: ffmpeg.h:304
Definition: ffmpeg.h:398
enum AVMediaType type
Definition: ffmpeg.h:242
int nb_reinit_filters
Definition: ffmpeg.h:206
int debug_ts
Definition: ffmpeg_opt.c:114
int nb_guess_layout_max
Definition: ffmpeg.h:216
void term_init(void)
Definition: ffmpeg.c:366
int nb_frame_aspect_ratios
Definition: ffmpeg.h:182
const HWAccel hwaccels[]
Definition: ffmpeg_opt.c:68
int videotoolbox_init(AVCodecContext *s)
Definition: ffmpeg.h:390
simple arithmetic expression evaluator
int subtitle_disable
Definition: ffmpeg.h:158