FFmpeg  4.4
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 FFTOOLS_FFMPEG_H
20 #define FFTOOLS_FFMPEG_H
21 
22 #include "config.h"
23 
24 #include <stdint.h>
25 #include <stdio.h>
26 #include <signal.h>
27 
28 #include "cmdutils.h"
29 
30 #include "libavformat/avformat.h"
31 #include "libavformat/avio.h"
32 
33 #include "libavcodec/avcodec.h"
34 
35 #include "libavfilter/avfilter.h"
36 
37 #include "libavutil/avutil.h"
38 #include "libavutil/dict.h"
39 #include "libavutil/eval.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/hwcontext.h"
42 #include "libavutil/pixfmt.h"
43 #include "libavutil/rational.h"
44 #include "libavutil/thread.h"
46 
48 
49 #define VSYNC_AUTO -1
50 #define VSYNC_PASSTHROUGH 0
51 #define VSYNC_CFR 1
52 #define VSYNC_VFR 2
53 #define VSYNC_VSCFR 0xfe
54 #define VSYNC_DROP 0xff
55 
56 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
57 
58 enum HWAccelID {
64 };
65 
66 typedef struct HWAccel {
67  const char *name;
69  enum HWAccelID id;
71 } HWAccel;
72 
73 typedef struct HWDevice {
74  const char *name;
75  enum AVHWDeviceType type;
77 } HWDevice;
78 
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;
88 
89 typedef struct {
90  int file_idx, stream_idx, channel_idx; // input
91  int ofile_idx, ostream_idx; // output
93 
94 typedef struct OptionsContext {
96 
97  /* input/output options */
98  int64_t start_time;
99  int64_t start_time_eof;
101  const char *format;
102 
117 
118  /* input options */
120  int loop;
121  int rate_emu;
124 
137 
138  /* output options */
141  AudioChannelMap *audio_channel_maps; /* one info entry per -map_channel */
142  int nb_audio_channel_maps; /* number of (valid) -map_channel settings */
146  const char **attachments;
148 
150 
151  int64_t recording_time;
152  int64_t stop_time;
153  uint64_t limit_filesize;
154  float mux_preload;
156  int shortest;
157  int bitexact;
158 
163 
164  /* indexed by output file stream index */
167 
215  int nb_pass;
225  int nb_apad;
239 
240 typedef struct InputFilter {
242  struct InputStream *ist;
245  enum AVMediaType type; // AVMEDIA_TYPE_SUBTITLE for sub2video
246 
248 
249  // parameters configured for this input
250  int format;
251 
252  int width, height;
254 
256  int channels;
257  uint64_t channel_layout;
258 
260 
261  int eof;
262 } InputFilter;
263 
264 typedef struct OutputFilter {
266  struct OutputStream *ost;
269 
270  /* temporary storage until stream maps are processed */
272  enum AVMediaType type;
273 
274  /* desired output stream properties */
275  int width, height;
277  int format;
279  uint64_t channel_layout;
280 
281  // those are only set if no format is specified and the encoder gives us multiple options
282  int *formats;
283  uint64_t *channel_layouts;
285 } OutputFilter;
286 
287 typedef struct FilterGraph {
288  int index;
289  const char *graph_desc;
290 
293 
298 } FilterGraph;
299 
300 typedef struct InputStream {
303  int discard; /* true if stream data should be discarded */
305  int decoding_needed; /* non zero if the packets must be decoded in 'raw_fifo', see DECODING_FOR_* */
306 #define DECODING_FOR_OST 1
307 #define DECODING_FOR_FILTER 2
308 
310  const AVCodec *dec;
312  AVFrame *filter_frame; /* a ref of decoded_frame, to be sent to filters */
314 
315  int64_t start; /* time when read started */
316  /* predicted dts of the next packet read for this stream or (when there are
317  * several frames in a packet) of the next frame in current packet (in AV_TIME_BASE units) */
318  int64_t next_dts;
319  int64_t dts; ///< dts of the last packet read for this stream (in AV_TIME_BASE units)
320 
321  int64_t next_pts; ///< synthetic pts for the next decode frame (in AV_TIME_BASE units)
322  int64_t pts; ///< current pts of the decoded frame (in AV_TIME_BASE units)
324 
326 
327  int64_t min_pts; /* pts with the smallest value in a current stream */
328  int64_t max_pts; /* pts with the higher value in a current stream */
329 
330  // when forcing constant input framerate through -r,
331  // this contains the pts that will be given to the next decoded frame
332  int64_t cfr_next_pts;
333 
334  int64_t nb_samples; /* number of samples in the last decoded audio frame before looping */
335 
336  double ts_scale;
339  AVRational framerate; /* framerate forced with -r */
342 
344 
346  struct { /* previous decoded subtitle and related variables */
348  int ret;
351 
352  struct sub2video {
353  int64_t last_pts;
354  int64_t end_pts;
355  AVFifoBuffer *sub_queue; ///< queue of AVSubtitle* before filter init
357  int w, h;
358  unsigned int initialize; ///< marks if sub2video_update should force an initialization
360 
361  int dr1;
362 
363  /* decoded data from this stream goes into all those filters
364  * currently video and audio only */
367 
369 
370  /* hwaccel options */
371  enum HWAccelID hwaccel_id;
375 
376  /* hwaccel context */
377  void *hwaccel_ctx;
384 
385  /* stats */
386  // combined size of all the packets read
387  uint64_t data_size;
388  /* number of packets successfully read for this stream */
389  uint64_t nb_packets;
390  // number of frames/samples retrieved from the decoder
391  uint64_t frames_decoded;
392  uint64_t samples_decoded;
393 
394  int64_t *dts_buffer;
396 
397  int got_output;
398 } InputStream;
399 
400 typedef struct InputFile {
402  int eof_reached; /* true if eof reached */
403  int eagain; /* true if last read attempt returned EAGAIN */
404  int ist_index; /* index of first stream in input_streams */
405  int loop; /* set number of times input stream should be looped */
406  int64_t duration; /* actual duration of the longest stream in a file
407  at the moment when looping happens */
408  AVRational time_base; /* time base of the duration */
410 
411  int64_t ts_offset;
412  int64_t last_ts;
413  int64_t start_time; /* user-specified start time in AV_TIME_BASE or AV_NOPTS_VALUE */
415  int64_t recording_time;
416  int nb_streams; /* number of stream that ffmpeg is aware of; may be different
417  from ctx.nb_streams if new streams appear during av_read_frame() */
418  int nb_streams_warn; /* number of streams that the user was warned of */
419  int rate_emu;
421 
423 
424 #if HAVE_THREADS
425  AVThreadMessageQueue *in_thread_queue;
426  pthread_t thread; /* thread reading from this file */
427  int non_blocking; /* reading packets from the thread should not block */
428  int joined; /* the thread has been joined */
429  int thread_queue_size; /* maximum number of queued packets */
430 #endif
431 } InputFile;
432 
439  FKF_NB
440 };
441 
442 #define ABORT_ON_FLAG_EMPTY_OUTPUT (1 << 0)
443 #define ABORT_ON_FLAG_EMPTY_OUTPUT_STREAM (1 << 1)
444 
445 extern const char *const forced_keyframes_const_names[];
446 
447 typedef enum {
450 } OSTFinished ;
451 
452 typedef struct OutputStream {
453  int file_index; /* file index */
454  int index; /* stream index in the output file */
455  int source_index; /* InputStream index */
456  AVStream *st; /* stream in the output file */
457  int encoding_needed; /* true if encoding needed for this stream */
459  /* input pts and corresponding output pts
460  for A/V sync */
461  struct InputStream *sync_ist; /* input stream to sync against */
462  int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
463  /* pts of the first frame encoded for this stream, used for limiting
464  * recording time */
465  int64_t first_pts;
466  /* dts of the last packet sent to the muxer */
467  int64_t last_mux_dts;
468  // the timebase of the packets sent to the muxer
471 
473 
475  AVCodecParameters *ref_par; /* associated input codec parameters with encoders options applied */
476  const AVCodec *enc;
477  int64_t max_frames;
483 
484  void *hwaccel_ctx;
485 
486  /* video only */
489  int is_cfr;
495 
497 
498  /* forced key frames */
500  int64_t *forced_kf_pts;
506 
507  /* audio only */
508  int *audio_channels_map; /* list of the channels id to pick from the source stream */
509  int audio_channels_mapped; /* number of channels in audio_channels_map */
510 
512  FILE *logfile;
513 
515  char *avfilter;
516  char *filters; ///< filtergraph associated to the -filter option
517  char *filters_script; ///< filtergraph script associated to the -filter_script option
518 
523  char *apad;
524  OSTFinished finished; /* no more packets should be written for this stream */
525  int unavailable; /* true if the steram is unavailable (possibly temporarily) */
527 
528  // init_output_stream() has been called for this stream
529  // The encoder and the bitstream filters have been initialized and the stream
530  // parameters are set in the AVStream.
532 
534 
535  const char *attachment_filename;
538  char *disposition;
539 
541 
542  /* stats */
543  // combined size of all the packets written
544  uint64_t data_size;
545  // number of packets send to the muxer
546  uint64_t packets_written;
547  // number of frames/samples sent to the encoder
548  uint64_t frames_encoded;
549  uint64_t samples_encoded;
550 
551  /* packet quality factor */
552  int quality;
553 
555 
556  /* the packets are buffered here until the muxer is ready to be initialized */
558 
559  /*
560  * The size of the AVPackets' buffers in queue.
561  * Updated when a packet is either pushed or pulled from the queue.
562  */
564 
565  /* Threshold after which max_muxing_queue_size will be in effect */
567 
568  /* packet picture type */
570 
571  /* frame encode sum of squared error values */
572  int64_t error[4];
573 } OutputStream;
574 
575 typedef struct OutputFile {
578  int ost_index; /* index of the first stream in output_streams */
579  int64_t recording_time; ///< desired length of the resulting file in microseconds == AV_TIME_BASE units
580  int64_t start_time; ///< start time in microseconds == AV_TIME_BASE units
581  uint64_t limit_filesize; /* filesize limit expressed in bytes */
582 
583  int shortest;
584 
586 } OutputFile;
587 
588 extern InputStream **input_streams;
589 extern int nb_input_streams;
590 extern InputFile **input_files;
591 extern int nb_input_files;
592 
594 extern int nb_output_streams;
595 extern OutputFile **output_files;
596 extern int nb_output_files;
597 
598 extern FilterGraph **filtergraphs;
599 extern int nb_filtergraphs;
600 
601 extern char *vstats_filename;
602 extern char *sdp_filename;
603 
604 extern float audio_drift_threshold;
605 extern float dts_delta_threshold;
606 extern float dts_error_threshold;
607 
608 extern int audio_volume;
609 extern int audio_sync_method;
610 extern int video_sync_method;
611 extern float frame_drop_threshold;
612 extern int do_benchmark;
613 extern int do_benchmark_all;
614 extern int do_deinterlace;
615 extern int do_hex_dump;
616 extern int do_pkt_dump;
617 extern int copy_ts;
618 extern int start_at_zero;
619 extern int copy_tb;
620 extern int debug_ts;
621 extern int exit_on_error;
622 extern int abort_on_flags;
623 extern int print_stats;
624 extern int64_t stats_period;
625 extern int qp_hist;
626 extern int stdin_interaction;
627 extern int frame_bits_per_raw_sample;
628 extern AVIOContext *progress_avio;
629 extern float max_error_rate;
630 extern char *videotoolbox_pixfmt;
631 
632 extern int filter_nbthreads;
633 extern int filter_complex_nbthreads;
634 extern int vstats_version;
635 extern int auto_conversion_filters;
636 
637 extern const AVIOInterruptCB int_cb;
638 
639 extern const OptionDef options[];
640 extern const HWAccel hwaccels[];
641 #if CONFIG_QSV
642 extern char *qsv_device;
643 #endif
644 extern HWDevice *filter_hw_device;
645 
646 
647 void term_init(void);
648 void term_exit(void);
649 
650 void show_usage(void);
651 
654 
656 
658 void check_filter_outputs(void);
662 
663 void sub2video_update(InputStream *ist, int64_t heartbeat_pts, AVSubtitle *sub);
664 
666 
667 int ffmpeg_parse_options(int argc, char **argv);
668 
671 
672 HWDevice *hw_device_get_by_name(const char *name);
673 int hw_device_init_from_string(const char *arg, HWDevice **dev);
674 void hw_device_free_all(void);
675 
679 
681 
682 #endif /* FFTOOLS_FFMPEG_H */
uint8_t
Libavcodec external API header.
Main libavfilter public API header.
Main libavformat public API header.
Buffered I/O operations.
Convenience header that includes libavutil's core.
#define flags(name, subs,...)
Definition: cbs_av1.c:561
#define s(width, name)
Definition: cbs_vp9.c:257
static AVFrame * frame
Public dictionary API.
static float sub(float src0, float src1)
simple arithmetic expression evaluator
int hw_device_setup_for_encode(OutputStream *ost)
Definition: ffmpeg_hw.c:419
int debug_ts
Definition: ffmpeg_opt.c:166
AVIOContext * progress_avio
Definition: ffmpeg.c:144
HWAccelID
Definition: ffmpeg.h:58
@ HWACCEL_NONE
Definition: ffmpeg.h:59
@ HWACCEL_QSV
Definition: ffmpeg.h:63
@ HWACCEL_GENERIC
Definition: ffmpeg.h:61
@ HWACCEL_AUTO
Definition: ffmpeg.h:60
@ HWACCEL_VIDEOTOOLBOX
Definition: ffmpeg.h:62
float max_error_rate
Definition: ffmpeg_opt.c:173
int ifilter_parameters_from_frame(InputFilter *ifilter, const AVFrame *frame)
int start_at_zero
Definition: ffmpeg_opt.c:164
int audio_volume
Definition: ffmpeg_opt.c:154
int nb_output_streams
Definition: ffmpeg.c:154
char * videotoolbox_pixfmt
void term_exit(void)
Definition: ffmpeg.c:337
const char *const forced_keyframes_const_names[]
Definition: ffmpeg.c:114
char * sdp_filename
Definition: ffmpeg_opt.c:148
int print_stats
Definition: ffmpeg_opt.c:169
int nb_filtergraphs
Definition: ffmpeg.c:159
int stdin_interaction
Definition: ffmpeg_opt.c:171
int videotoolbox_init(AVCodecContext *s)
int do_benchmark
Definition: ffmpeg_opt.c:159
int guess_input_channel_layout(InputStream *ist)
Definition: ffmpeg.c:2124
InputFile ** input_files
Definition: ffmpeg.c:150
int do_hex_dump
Definition: ffmpeg_opt.c:161
int frame_bits_per_raw_sample
Definition: ffmpeg_opt.c:172
const AVIOInterruptCB int_cb
Definition: ffmpeg.c:513
float dts_error_threshold
Definition: ffmpeg_opt.c:152
int nb_input_streams
Definition: ffmpeg.c:149
int hwaccel_decode_init(AVCodecContext *avctx)
Definition: ffmpeg_hw.c:516
OSTFinished
Definition: ffmpeg.h:447
@ ENCODER_FINISHED
Definition: ffmpeg.h:448
@ MUXER_FINISHED
Definition: ffmpeg.h:449
int abort_on_flags
Definition: ffmpeg_opt.c:168
int filter_complex_nbthreads
Definition: ffmpeg_opt.c:175
float frame_drop_threshold
Definition: ffmpeg_opt.c:157
void show_usage(void)
Definition: ffmpeg_opt.c:3300
int nb_input_files
Definition: ffmpeg.c:151
FilterGraph ** filtergraphs
Definition: ffmpeg.c:158
int qp_hist
Definition: ffmpeg_opt.c:170
int hw_device_setup_for_decode(InputStream *ist)
Definition: ffmpeg_hw.c:303
void hw_device_free_all(void)
Definition: ffmpeg_hw.c:274
int hw_device_setup_for_filter(FilterGraph *fg)
Definition: ffmpeg_hw.c:525
int nb_output_files
Definition: ffmpeg.c:156
int vstats_version
Definition: ffmpeg_opt.c:176
int auto_conversion_filters
Definition: ffmpeg_opt.c:177
int init_simple_filtergraph(InputStream *ist, OutputStream *ost)
char * vstats_filename
Definition: ffmpeg_opt.c:147
int do_deinterlace
Definition: ffmpeg_opt.c:158
int audio_sync_method
Definition: ffmpeg_opt.c:155
void sub2video_update(InputStream *ist, int64_t heartbeat_pts, AVSubtitle *sub)
Definition: ffmpeg.c:241
int copy_tb
Definition: ffmpeg_opt.c:165
HWDevice * filter_hw_device
Definition: ffmpeg_opt.c:145
forced_keyframes_const
Definition: ffmpeg.h:433
@ FKF_NB
Definition: ffmpeg.h:439
@ FKF_PREV_FORCED_N
Definition: ffmpeg.h:436
@ FKF_T
Definition: ffmpeg.h:438
@ FKF_PREV_FORCED_T
Definition: ffmpeg.h:437
@ FKF_N_FORCED
Definition: ffmpeg.h:435
@ FKF_N
Definition: ffmpeg.h:434
void remove_avoptions(AVDictionary **a, AVDictionary *b)
Definition: ffmpeg.c:676
InputStream ** input_streams
Definition: ffmpeg.c:148
int ffmpeg_parse_options(int argc, char **argv)
int filter_nbthreads
Definition: ffmpeg_opt.c:174
int qsv_init(AVCodecContext *s)
Definition: ffmpeg_qsv.c:72
int video_sync_method
Definition: ffmpeg_opt.c:156
void term_init(void)
Definition: ffmpeg.c:408
float dts_delta_threshold
Definition: ffmpeg_opt.c:151
OutputStream ** output_streams
Definition: ffmpeg.c:153
int64_t stats_period
Definition: ffmpeg_opt.c:178
int copy_ts
Definition: ffmpeg_opt.c:163
int filtergraph_is_simple(FilterGraph *fg)
int hw_device_init_from_string(const char *arg, HWDevice **dev)
Definition: ffmpeg_hw.c:94
void check_filter_outputs(void)
int do_benchmark_all
Definition: ffmpeg_opt.c:160
OutputFile ** output_files
Definition: ffmpeg.c:155
int configure_filtergraph(FilterGraph *fg)
const HWAccel hwaccels[]
Definition: ffmpeg_opt.c:136
HWDevice * hw_device_get_by_name(const char *name)
Definition: ffmpeg_hw.c:44
void assert_avoptions(AVDictionary *m)
Definition: ffmpeg.c:685
int exit_on_error
Definition: ffmpeg_opt.c:167
float audio_drift_threshold
Definition: ffmpeg_opt.c:150
int do_pkt_dump
Definition: ffmpeg_opt.c:162
int init_complex_filtergraph(FilterGraph *fg)
const OptionDef options[]
int
char * qsv_device
Definition: ffmpeg_qsv.c:32
a very simple circular buffer FIFO implementation
AVMediaType
Definition: avutil.h:199
AVHWDeviceType
Definition: hwcontext.h:27
const char * arg
Definition: jacosubdec.c:66
pixel format definitions
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
const char * name
Definition: qsvenc.c:46
Utilties for rational number calculation.
typedef void(RENAME(mix_any_func_type))
The bitstream filter state.
Definition: bsf.h:49
A reference to a data buffer.
Definition: buffer.h:84
main external API structure.
Definition: avcodec.h:536
This struct describes the properties of an encoded stream.
Definition: codec_par.h:52
AVCodec.
Definition: codec.h:197
Definition: eval.c:157
An instance of a filter.
Definition: avfilter.h:341
A linked-list of the inputs/outputs of the filter chain.
Definition: avfilter.h:1013
Format I/O context.
Definition: avformat.h:1232
This structure describes decoded (raw) audio or video data.
Definition: frame.h:318
Bytestream IO Context.
Definition: avio.h:161
Callback for checking whether to abort blocking functions.
Definition: avio.h:58
This structure stores compressed data.
Definition: packet.h:346
Rational number (pair of numerator and denominator).
Definition: rational.h:58
Stream structure.
Definition: avformat.h:873
int ofile_idx
Definition: ffmpeg.h:91
int channel_idx
Definition: ffmpeg.h:90
int index
Definition: ffmpeg.h:288
int reconfiguration
Definition: ffmpeg.h:292
int nb_outputs
Definition: ffmpeg.h:297
OutputFilter ** outputs
Definition: ffmpeg.h:296
int nb_inputs
Definition: ffmpeg.h:295
const char * graph_desc
Definition: ffmpeg.h:289
AVFilterGraph * graph
Definition: ffmpeg.h:291
InputFilter ** inputs
Definition: ffmpeg.h:294
Definition: ffmpeg.h:66
enum HWAccelID id
Definition: ffmpeg.h:69
enum AVPixelFormat pix_fmt
Definition: ffmpeg.h:70
int(* init)(AVCodecContext *s)
Definition: ffmpeg.h:68
const char * name
Definition: ffmpeg.h:67
AVBufferRef * device_ref
Definition: ffmpeg.h:76
enum AVHWDeviceType type
Definition: ffmpeg.h:75
const char * name
Definition: ffmpeg.h:74
AVPacket * pkt
Definition: ffmpeg.h:422
int eagain
Definition: ffmpeg.h:403
int64_t ts_offset
Definition: ffmpeg.h:411
int64_t duration
Definition: ffmpeg.h:406
int accurate_seek
Definition: ffmpeg.h:420
AVFormatContext * ctx
Definition: ffmpeg.h:401
int rate_emu
Definition: ffmpeg.h:419
int64_t input_ts_offset
Definition: ffmpeg.h:409
int loop
Definition: ffmpeg.h:405
int seek_timestamp
Definition: ffmpeg.h:414
int64_t recording_time
Definition: ffmpeg.h:415
AVRational time_base
Definition: ffmpeg.h:408
int eof_reached
Definition: ffmpeg.h:402
int nb_streams_warn
Definition: ffmpeg.h:418
int64_t last_ts
Definition: ffmpeg.h:412
int ist_index
Definition: ffmpeg.h:404
int64_t start_time
Definition: ffmpeg.h:413
int nb_streams
Definition: ffmpeg.h:416
AVBufferRef * hw_frames_ctx
Definition: ffmpeg.h:259
uint8_t * name
Definition: ffmpeg.h:244
int sample_rate
Definition: ffmpeg.h:255
int height
Definition: ffmpeg.h:252
struct InputStream * ist
Definition: ffmpeg.h:242
AVFilterContext * filter
Definition: ffmpeg.h:241
enum AVMediaType type
Definition: ffmpeg.h:245
AVFifoBuffer * frame_queue
Definition: ffmpeg.h:247
uint64_t channel_layout
Definition: ffmpeg.h:257
struct FilterGraph * graph
Definition: ffmpeg.h:243
AVRational sample_aspect_ratio
Definition: ffmpeg.h:253
int eof
Definition: ffmpeg.h:261
int channels
Definition: ffmpeg.h:256
int format
Definition: ffmpeg.h:250
int width
Definition: ffmpeg.h:252
unsigned int initialize
marks if sub2video_update should force an initialization
Definition: ffmpeg.h:358
AVFifoBuffer * sub_queue
queue of AVSubtitle* before filter init
Definition: ffmpeg.h:355
enum AVPixelFormat hwaccel_pix_fmt
Definition: ffmpeg.h:381
int saw_first_ts
Definition: ffmpeg.h:337
double ts_scale
Definition: ffmpeg.h:336
AVFrame * decoded_frame
Definition: ffmpeg.h:311
int64_t * dts_buffer
Definition: ffmpeg.h:394
int64_t dts
dts of the last packet read for this stream (in AV_TIME_BASE units)
Definition: ffmpeg.h:319
int fix_sub_duration
Definition: ffmpeg.h:345
enum AVPixelFormat hwaccel_output_format
Definition: ffmpeg.h:374
int64_t cfr_next_pts
Definition: ffmpeg.h:332
int got_output
Definition: ffmpeg.h:347
void(* hwaccel_uninit)(AVCodecContext *s)
Definition: ffmpeg.h:378
int nb_dts_buffer
Definition: ffmpeg.h:395
AVCodecContext * dec_ctx
Definition: ffmpeg.h:309
int64_t pts
current pts of the decoded frame (in AV_TIME_BASE units)
Definition: ffmpeg.h:322
AVBufferRef * hw_frames_ctx
Definition: ffmpeg.h:383
struct InputStream::@2 prev_sub
int64_t start
Definition: ffmpeg.h:315
int dr1
Definition: ffmpeg.h:361
int ret
Definition: ffmpeg.h:348
enum HWAccelID hwaccel_id
Definition: ffmpeg.h:371
uint64_t data_size
Definition: ffmpeg.h:387
int(* hwaccel_get_buffer)(AVCodecContext *s, AVFrame *frame, int flags)
Definition: ffmpeg.h:379
int nb_filters
Definition: ffmpeg.h:366
int64_t filter_in_rescale_delta_last
Definition: ffmpeg.h:325
int64_t next_dts
Definition: ffmpeg.h:318
int reinit_filters
Definition: ffmpeg.h:368
int user_set_discard
Definition: ffmpeg.h:304
int wrap_correction_done
Definition: ffmpeg.h:323
int64_t max_pts
Definition: ffmpeg.h:328
enum AVPixelFormat hwaccel_retrieved_pix_fmt
Definition: ffmpeg.h:382
int guess_layout_max
Definition: ffmpeg.h:341
AVPacket * pkt
Definition: ffmpeg.h:313
AVFrame * filter_frame
Definition: ffmpeg.h:312
void * hwaccel_ctx
Definition: ffmpeg.h:377
uint64_t samples_decoded
Definition: ffmpeg.h:392
int64_t next_pts
synthetic pts for the next decode frame (in AV_TIME_BASE units)
Definition: ffmpeg.h:321
int top_field_first
Definition: ffmpeg.h:340
int autorotate
Definition: ffmpeg.h:343
int discard
Definition: ffmpeg.h:303
uint64_t frames_decoded
Definition: ffmpeg.h:391
int decoding_needed
Definition: ffmpeg.h:305
struct InputStream::sub2video sub2video
AVStream * st
Definition: ffmpeg.h:302
int file_index
Definition: ffmpeg.h:301
InputFilter ** filters
Definition: ffmpeg.h:365
int(* hwaccel_retrieve_data)(AVCodecContext *s, AVFrame *frame)
Definition: ffmpeg.h:380
uint64_t nb_packets
Definition: ffmpeg.h:389
AVSubtitle subtitle
Definition: ffmpeg.h:349
char * hwaccel_device
Definition: ffmpeg.h:373
AVDictionary * decoder_opts
Definition: ffmpeg.h:338
int64_t min_pts
Definition: ffmpeg.h:327
const AVCodec * dec
Definition: ffmpeg.h:310
enum AVHWDeviceType hwaccel_device_type
Definition: ffmpeg.h:372
int64_t nb_samples
Definition: ffmpeg.h:334
AVRational framerate
Definition: ffmpeg.h:339
int nb_codec_tags
Definition: ffmpeg.h:175
SpecifierOpt * metadata_map
Definition: ffmpeg.h:196
int nb_copy_initial_nonkeyframes
Definition: ffmpeg.h:201
float mux_preload
Definition: ffmpeg.h:154
SpecifierOpt * frame_pix_fmts
Definition: ffmpeg.h:115
SpecifierOpt * dump_attachment
Definition: ffmpeg.h:127
SpecifierOpt * autoscale
Definition: ffmpeg.h:236
int nb_chroma_intra_matrices
Definition: ffmpeg.h:193
int nb_reinit_filters
Definition: ffmpeg.h:209
int nb_stream_maps
Definition: ffmpeg.h:140
int nb_muxing_queue_data_threshold
Definition: ffmpeg.h:221
int nb_max_frame_rates
Definition: ffmpeg.h:112
SpecifierOpt * frame_aspect_ratios
Definition: ffmpeg.h:184
SpecifierOpt * pass
Definition: ffmpeg.h:214
int bitexact
Definition: ffmpeg.h:157
SpecifierOpt * filter_scripts
Definition: ffmpeg.h:206
SpecifierOpt * copy_initial_nonkeyframes
Definition: ffmpeg.h:200
SpecifierOpt * guess_layout_max
Definition: ffmpeg.h:222
int64_t start_time
Definition: ffmpeg.h:98
const char * format
Definition: ffmpeg.h:101
int nb_streamid_map
Definition: ffmpeg.h:166
SpecifierOpt * enc_time_bases
Definition: ffmpeg.h:234
SpecifierOpt * max_frame_rates
Definition: ffmpeg.h:111
int64_t input_ts_offset
Definition: ffmpeg.h:119
SpecifierOpt * audio_sample_rate
Definition: ffmpeg.h:107
int nb_audio_channel_maps
Definition: ffmpeg.h:142
int rate_emu
Definition: ffmpeg.h:121
int nb_frame_rates
Definition: ffmpeg.h:110
int nb_passlogfiles
Definition: ffmpeg.h:217
int nb_time_bases
Definition: ffmpeg.h:233
int nb_attachments
Definition: ffmpeg.h:147
SpecifierOpt * max_frames
Definition: ffmpeg.h:170
int nb_intra_matrices
Definition: ffmpeg.h:189
int metadata_global_manual
Definition: ffmpeg.h:143
int nb_hwaccel_devices
Definition: ffmpeg.h:132
int nb_codec_names
Definition: ffmpeg.h:104
StreamMap * stream_maps
Definition: ffmpeg.h:139
SpecifierOpt * frame_sizes
Definition: ffmpeg.h:113
SpecifierOpt * muxing_queue_data_threshold
Definition: ffmpeg.h:220
SpecifierOpt * discard
Definition: ffmpeg.h:226
SpecifierOpt * forced_key_frames
Definition: ffmpeg.h:180
int nb_max_frames
Definition: ffmpeg.h:171
int nb_metadata
Definition: ffmpeg.h:169
int nb_rc_overrides
Definition: ffmpeg.h:187
SpecifierOpt * hwaccel_devices
Definition: ffmpeg.h:131
int nb_discard
Definition: ffmpeg.h:227
int accurate_seek
Definition: ffmpeg.h:122
int metadata_streams_manual
Definition: ffmpeg.h:144
SpecifierOpt * filters
Definition: ffmpeg.h:204
int nb_top_field_first
Definition: ffmpeg.h:195
int nb_autorotate
Definition: ffmpeg.h:136
SpecifierOpt * metadata
Definition: ffmpeg.h:168
int nb_canvas_sizes
Definition: ffmpeg.h:213
int nb_frame_sizes
Definition: ffmpeg.h:114
SpecifierOpt * autorotate
Definition: ffmpeg.h:135
int nb_dump_attachment
Definition: ffmpeg.h:128
int64_t recording_time
Definition: ffmpeg.h:151
SpecifierOpt * disposition
Definition: ffmpeg.h:228
int nb_frame_aspect_ratios
Definition: ffmpeg.h:185
int nb_fix_sub_duration
Definition: ffmpeg.h:211
int nb_forced_key_frames
Definition: ffmpeg.h:181
int nb_metadata_map
Definition: ffmpeg.h:197
int nb_disposition
Definition: ffmpeg.h:229
uint64_t limit_filesize
Definition: ffmpeg.h:153
int nb_audio_channels
Definition: ffmpeg.h:106
SpecifierOpt * sample_fmts
Definition: ffmpeg.h:176
SpecifierOpt * audio_channels
Definition: ffmpeg.h:105
SpecifierOpt * codec_names
Definition: ffmpeg.h:103
int64_t start_time_eof
Definition: ffmpeg.h:99
SpecifierOpt * canvas_sizes
Definition: ffmpeg.h:212
SpecifierOpt * reinit_filters
Definition: ffmpeg.h:208
int thread_queue_size
Definition: ffmpeg.h:123
SpecifierOpt * passlogfiles
Definition: ffmpeg.h:216
int data_disable
Definition: ffmpeg.h:162
SpecifierOpt * frame_rates
Definition: ffmpeg.h:109
int chapters_input_file
Definition: ffmpeg.h:149
int * streamid_map
Definition: ffmpeg.h:165
int video_disable
Definition: ffmpeg.h:159
int nb_force_fps
Definition: ffmpeg.h:183
int audio_disable
Definition: ffmpeg.h:160
SpecifierOpt * intra_matrices
Definition: ffmpeg.h:188
int nb_inter_matrices
Definition: ffmpeg.h:191
int nb_enc_time_bases
Definition: ffmpeg.h:235
SpecifierOpt * apad
Definition: ffmpeg.h:224
SpecifierOpt * chroma_intra_matrices
Definition: ffmpeg.h:192
int nb_hwaccel_output_formats
Definition: ffmpeg.h:134
SpecifierOpt * top_field_first
Definition: ffmpeg.h:194
int metadata_chapters_manual
Definition: ffmpeg.h:145
int nb_presets
Definition: ffmpeg.h:199
int nb_program
Definition: ffmpeg.h:231
SpecifierOpt * force_fps
Definition: ffmpeg.h:182
SpecifierOpt * qscale
Definition: ffmpeg.h:178
SpecifierOpt * copy_prior_start
Definition: ffmpeg.h:202
SpecifierOpt * max_muxing_queue_size
Definition: ffmpeg.h:218
int64_t stop_time
Definition: ffmpeg.h:152
int nb_sample_fmts
Definition: ffmpeg.h:177
SpecifierOpt * rc_overrides
Definition: ffmpeg.h:186
const char ** attachments
Definition: ffmpeg.h:146
int nb_copy_prior_start
Definition: ffmpeg.h:203
SpecifierOpt * hwaccels
Definition: ffmpeg.h:129
int nb_filter_scripts
Definition: ffmpeg.h:207
int nb_qscale
Definition: ffmpeg.h:179
SpecifierOpt * program
Definition: ffmpeg.h:230
int nb_frame_pix_fmts
Definition: ffmpeg.h:116
float mux_max_delay
Definition: ffmpeg.h:155
SpecifierOpt * codec_tags
Definition: ffmpeg.h:174
SpecifierOpt * time_bases
Definition: ffmpeg.h:232
int shortest
Definition: ffmpeg.h:156
SpecifierOpt * presets
Definition: ffmpeg.h:198
SpecifierOpt * ts_scale
Definition: ffmpeg.h:125
int nb_audio_sample_rate
Definition: ffmpeg.h:108
int nb_hwaccels
Definition: ffmpeg.h:130
SpecifierOpt * fix_sub_duration
Definition: ffmpeg.h:210
SpecifierOpt * inter_matrices
Definition: ffmpeg.h:190
SpecifierOpt * hwaccel_output_formats
Definition: ffmpeg.h:133
int nb_autoscale
Definition: ffmpeg.h:237
int subtitle_disable
Definition: ffmpeg.h:161
int nb_bitstream_filters
Definition: ffmpeg.h:173
int nb_guess_layout_max
Definition: ffmpeg.h:223
int seek_timestamp
Definition: ffmpeg.h:100
SpecifierOpt * bitstream_filters
Definition: ffmpeg.h:172
int nb_max_muxing_queue_size
Definition: ffmpeg.h:219
int nb_ts_scale
Definition: ffmpeg.h:126
AudioChannelMap * audio_channel_maps
Definition: ffmpeg.h:141
OptionGroup * g
Definition: ffmpeg.h:95
int nb_filters
Definition: ffmpeg.h:205
uint64_t limit_filesize
Definition: ffmpeg.h:581
AVFormatContext * ctx
Definition: ffmpeg.h:576
int header_written
Definition: ffmpeg.h:585
int64_t start_time
start time in microseconds == AV_TIME_BASE units
Definition: ffmpeg.h:580
AVDictionary * opts
Definition: ffmpeg.h:577
int ost_index
Definition: ffmpeg.h:578
int shortest
Definition: ffmpeg.h:583
int64_t recording_time
desired length of the resulting file in microseconds == AV_TIME_BASE units
Definition: ffmpeg.h:579
int width
Definition: ffmpeg.h:275
AVFilterInOut * out_tmp
Definition: ffmpeg.h:271
struct OutputStream * ost
Definition: ffmpeg.h:266
uint64_t * channel_layouts
Definition: ffmpeg.h:283
AVFilterContext * filter
Definition: ffmpeg.h:265
uint8_t * name
Definition: ffmpeg.h:268
int * sample_rates
Definition: ffmpeg.h:284
struct FilterGraph * graph
Definition: ffmpeg.h:267
int height
Definition: ffmpeg.h:275
int sample_rate
Definition: ffmpeg.h:278
int * formats
Definition: ffmpeg.h:282
AVRational frame_rate
Definition: ffmpeg.h:276
uint64_t channel_layout
Definition: ffmpeg.h:279
int format
Definition: ffmpeg.h:277
enum AVMediaType type
Definition: ffmpeg.h:272
int max_muxing_queue_size
Definition: ffmpeg.h:554
int last_dropped
Definition: ffmpeg.h:481
AVDictionary * swr_opts
Definition: ffmpeg.h:521
int copy_initial_nonkeyframes
Definition: ffmpeg.h:536
int64_t last_mux_dts
Definition: ffmpeg.h:467
int top_field_first
Definition: ffmpeg.h:491
AVRational mux_timebase
Definition: ffmpeg.h:469
int source_index
Definition: ffmpeg.h:455
double forced_keyframes_expr_const_values[FKF_NB]
Definition: ffmpeg.h:505
OSTFinished finished
Definition: ffmpeg.h:524
uint64_t packets_written
Definition: ffmpeg.h:546
int initialized
Definition: ffmpeg.h:531
int * audio_channels_map
Definition: ffmpeg.h:508
AVPacket * pkt
Definition: ffmpeg.h:480
AVRational frame_aspect_ratio
Definition: ffmpeg.h:496
double rotate_override_value
Definition: ffmpeg.h:494
AVFrame * last_frame
Definition: ffmpeg.h:479
int autoscale
Definition: ffmpeg.h:493
const AVCodec * enc
Definition: ffmpeg.h:476
int unavailable
Definition: ffmpeg.h:525
int audio_channels_mapped
Definition: ffmpeg.h:509
int64_t sync_opts
Definition: ffmpeg.h:462
int force_fps
Definition: ffmpeg.h:490
int64_t * forced_kf_pts
Definition: ffmpeg.h:500
int64_t error[4]
Definition: ffmpeg.h:572
int pict_type
Definition: ffmpeg.h:569
uint64_t frames_encoded
Definition: ffmpeg.h:548
int64_t max_frames
Definition: ffmpeg.h:477
size_t muxing_queue_data_threshold
Definition: ffmpeg.h:566
int forced_kf_index
Definition: ffmpeg.h:502
char * apad
Definition: ffmpeg.h:523
int inputs_done
Definition: ffmpeg.h:533
AVDictionary * resample_opts
Definition: ffmpeg.h:522
AVRational max_frame_rate
Definition: ffmpeg.h:488
int quality
Definition: ffmpeg.h:552
AVRational enc_timebase
Definition: ffmpeg.h:470
int stream_copy
Definition: ffmpeg.h:526
AVFifoBuffer * muxing_queue
Definition: ffmpeg.h:557
int is_cfr
Definition: ffmpeg.h:489
AVCodecParameters * ref_par
Definition: ffmpeg.h:475
char * forced_keyframes
Definition: ffmpeg.h:503
AVFrame * filtered_frame
Definition: ffmpeg.h:478
const char * attachment_filename
Definition: ffmpeg.h:535
AVRational frame_rate
Definition: ffmpeg.h:487
int copy_prior_start
Definition: ffmpeg.h:537
AVCodecContext * enc_ctx
Definition: ffmpeg.h:474
struct InputStream * sync_ist
Definition: ffmpeg.h:461
int encoding_needed
Definition: ffmpeg.h:457
AVDictionary * encoder_opts
Definition: ffmpeg.h:519
uint64_t data_size
Definition: ffmpeg.h:544
char * filters
filtergraph associated to the -filter option
Definition: ffmpeg.h:516
char * avfilter
Definition: ffmpeg.h:515
int64_t forced_kf_ref_pts
Definition: ffmpeg.h:499
uint64_t samples_encoded
Definition: ffmpeg.h:549
char * filters_script
filtergraph script associated to the -filter_script option
Definition: ffmpeg.h:517
AVBSFContext * bsf_ctx
Definition: ffmpeg.h:472
int64_t first_pts
Definition: ffmpeg.h:465
void * hwaccel_ctx
Definition: ffmpeg.h:484
AVDictionary * sws_dict
Definition: ffmpeg.h:520
int forced_kf_count
Definition: ffmpeg.h:501
OutputFilter * filter
Definition: ffmpeg.h:514
char * disposition
Definition: ffmpeg.h:538
int index
Definition: ffmpeg.h:454
int rotate_overridden
Definition: ffmpeg.h:492
AVExpr * forced_keyframes_pexpr
Definition: ffmpeg.h:504
int keep_pix_fmt
Definition: ffmpeg.h:540
size_t muxing_queue_data_size
Definition: ffmpeg.h:563
FILE * logfile
Definition: ffmpeg.h:512
int last_nb0_frames[3]
Definition: ffmpeg.h:482
int file_index
Definition: ffmpeg.h:453
int frame_number
Definition: ffmpeg.h:458
char * logfile_prefix
Definition: ffmpeg.h:511
AVStream * st
Definition: muxing.c:54
int stream_index
Definition: ffmpeg.h:83
int disabled
Definition: ffmpeg.h:81
int sync_stream_index
Definition: ffmpeg.h:85
char * linklabel
Definition: ffmpeg.h:86
int sync_file_index
Definition: ffmpeg.h:84
int file_index
Definition: ffmpeg.h:82
libswresample public header
static AVStream * ost
const char * b
Definition: vf_curves.c:118