FFmpeg: fftools/ffmpeg.h Source File

FFmpeg
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"
45 #include "libavutil/threadmessage.h"
46 
47 #include "libswresample/swresample.h"
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 {
59   HWACCEL_NONE = 0,
60   HWACCEL_AUTO,
61   HWACCEL_GENERIC,
62   HWACCEL_VIDEOTOOLBOX,
63   HWACCEL_QSV,
64   HWACCEL_CUVID,
65 };
66 
67  typedef struct HWAccel {
68   const char *name;
69   int (*init)(AVCodecContext *s);
70   enum HWAccelID id;
71   enum AVPixelFormat pix_fmt;
72 } HWAccel;
73 
74  typedef struct HWDevice {
75   char *name;
76   enum AVHWDeviceType type;
77   AVBufferRef *device_ref;
78 } HWDevice;
79 
80 /* select an input stream for an output stream */
81  typedef struct StreamMap {
82   int disabled; /* 1 is this mapping is disabled by a negative map */
83   int file_index;
84   int stream_index;
85   int sync_file_index;
86   int sync_stream_index;
87   char *linklabel; /* name of an output link, for mapping lavfi outputs */
88 } StreamMap;
89 
90  typedef struct {
91   int file_idx, stream_idx, channel_idx; // input
92   int ofile_idx, ostream_idx; // output
93 } AudioChannelMap;
94 
95  typedef struct OptionsContext {
96   OptionGroup *g;
97 
98  /* input/output options */
99   int64_t start_time;
100   int64_t start_time_eof;
101   int seek_timestamp;
102   const char *format;
103 
104   SpecifierOpt *codec_names;
105   int nb_codec_names;
106   SpecifierOpt *audio_channels;
107   int nb_audio_channels;
108   SpecifierOpt *audio_sample_rate;
109   int nb_audio_sample_rate;
110   SpecifierOpt *frame_rates;
111   int nb_frame_rates;
112   SpecifierOpt *frame_sizes;
113   int nb_frame_sizes;
114   SpecifierOpt *frame_pix_fmts;
115   int nb_frame_pix_fmts;
116 
117  /* input options */
118   int64_t input_ts_offset;
119   int loop;
120   int rate_emu;
121   int accurate_seek;
122   int thread_queue_size;
123 
124   SpecifierOpt *ts_scale;
125   int nb_ts_scale;
126   SpecifierOpt *dump_attachment;
127   int nb_dump_attachment;
128   SpecifierOpt *hwaccels;
129   int nb_hwaccels;
130   SpecifierOpt *hwaccel_devices;
131   int nb_hwaccel_devices;
132   SpecifierOpt *hwaccel_output_formats;
133   int nb_hwaccel_output_formats;
134   SpecifierOpt *autorotate;
135   int nb_autorotate;
136 
137  /* output options */
138   StreamMap *stream_maps;
139   int nb_stream_maps;
140   AudioChannelMap *audio_channel_maps; /* one info entry per -map_channel */
141   int nb_audio_channel_maps; /* number of (valid) -map_channel settings */
142   int metadata_global_manual;
143   int metadata_streams_manual;
144   int metadata_chapters_manual;
145   const char **attachments;
146   int nb_attachments;
147 
148   int chapters_input_file;
149 
150   int64_t recording_time;
151   int64_t stop_time;
152   uint64_t limit_filesize;
153   float mux_preload;
154   float mux_max_delay;
155   int shortest;
156   int bitexact;
157 
158   int video_disable;
159   int audio_disable;
160   int subtitle_disable;
161   int data_disable;
162 
163  /* indexed by output file stream index */
164   int *streamid_map;
165   int nb_streamid_map;
166 
167   SpecifierOpt *metadata;
168   int nb_metadata;
169   SpecifierOpt *max_frames;
170   int nb_max_frames;
171   SpecifierOpt *bitstream_filters;
172   int nb_bitstream_filters;
173   SpecifierOpt *codec_tags;
174   int nb_codec_tags;
175   SpecifierOpt *sample_fmts;
176   int nb_sample_fmts;
177   SpecifierOpt *qscale;
178   int nb_qscale;
179   SpecifierOpt *forced_key_frames;
180   int nb_forced_key_frames;
181   SpecifierOpt *force_fps;
182   int nb_force_fps;
183   SpecifierOpt *frame_aspect_ratios;
184   int nb_frame_aspect_ratios;
185   SpecifierOpt *rc_overrides;
186   int nb_rc_overrides;
187   SpecifierOpt *intra_matrices;
188   int nb_intra_matrices;
189   SpecifierOpt *inter_matrices;
190   int nb_inter_matrices;
191   SpecifierOpt *chroma_intra_matrices;
192   int nb_chroma_intra_matrices;
193   SpecifierOpt *top_field_first;
194   int nb_top_field_first;
195   SpecifierOpt *metadata_map;
196   int nb_metadata_map;
197   SpecifierOpt *presets;
198   int nb_presets;
199   SpecifierOpt *copy_initial_nonkeyframes;
200   int nb_copy_initial_nonkeyframes;
201   SpecifierOpt *copy_prior_start;
202   int nb_copy_prior_start;
203   SpecifierOpt *filters;
204   int nb_filters;
205   SpecifierOpt *filter_scripts;
206   int nb_filter_scripts;
207   SpecifierOpt *reinit_filters;
208   int nb_reinit_filters;
209   SpecifierOpt *fix_sub_duration;
210   int nb_fix_sub_duration;
211   SpecifierOpt *canvas_sizes;
212   int nb_canvas_sizes;
213   SpecifierOpt *pass;
214   int nb_pass;
215   SpecifierOpt *passlogfiles;
216   int nb_passlogfiles;
217   SpecifierOpt *max_muxing_queue_size;
218   int nb_max_muxing_queue_size;
219   SpecifierOpt *guess_layout_max;
220   int nb_guess_layout_max;
221   SpecifierOpt *apad;
222   int nb_apad;
223   SpecifierOpt *discard;
224   int nb_discard;
225   SpecifierOpt *disposition;
226   int nb_disposition;
227   SpecifierOpt *program;
228   int nb_program;
229   SpecifierOpt *time_bases;
230   int nb_time_bases;
231   SpecifierOpt *enc_time_bases;
232   int nb_enc_time_bases;
233 } OptionsContext;
234 
235  typedef struct InputFilter {
236   AVFilterContext *filter;
237   struct InputStream *ist;
238   struct FilterGraph *graph;
239   uint8_t *name;
240   enum AVMediaType type; // AVMEDIA_TYPE_SUBTITLE for sub2video
241 
242   AVFifoBuffer *frame_queue;
243 
244  // parameters configured for this input
245   int format;
246 
247   int width, height;
248   AVRational sample_aspect_ratio;
249 
250   int sample_rate;
251   int channels;
252   uint64_t channel_layout;
253 
254   AVBufferRef *hw_frames_ctx;
255 
256   int eof;
257 } InputFilter;
258 
259  typedef struct OutputFilter {
260   AVFilterContext *filter;
261   struct OutputStream *ost;
262   struct FilterGraph *graph;
263   uint8_t *name;
264 
265  /* temporary storage until stream maps are processed */
266   AVFilterInOut *out_tmp;
267   enum AVMediaType type;
268 
269  /* desired output stream properties */
270   int width, height;
271   AVRational frame_rate;
272   int format;
273   int sample_rate;
274   uint64_t channel_layout;
275 
276  // those are only set if no format is specified and the encoder gives us multiple options
277   int *formats;
278   uint64_t *channel_layouts;
279   int *sample_rates;
280 } OutputFilter;
281 
282  typedef struct FilterGraph {
283   int index;
284   const char *graph_desc;
285 
286   AVFilterGraph *graph;
287   int reconfiguration;
288 
289   InputFilter **inputs;
290   int nb_inputs;
291   OutputFilter **outputs;
292   int nb_outputs;
293 } FilterGraph;
294 
295  typedef struct InputStream {
296   int file_index;
297   AVStream *st;
298   int discard; /* true if stream data should be discarded */
299   int user_set_discard;
300   int decoding_needed; /* non zero if the packets must be decoded in 'raw_fifo', see DECODING_FOR_* */
301  #define DECODING_FOR_OST 1
302  #define DECODING_FOR_FILTER 2
303 
304   AVCodecContext *dec_ctx;
305   AVCodec *dec;
306   AVFrame *decoded_frame;
307   AVFrame *filter_frame; /* a ref of decoded_frame, to be sent to filters */
308 
309   int64_t start; /* time when read started */
310  /* predicted dts of the next packet read for this stream or (when there are
311  * several frames in a packet) of the next frame in current packet (in AV_TIME_BASE units) */
312   int64_t next_dts;
313   int64_t dts; ///< dts of the last packet read for this stream (in AV_TIME_BASE units)
314 
315   int64_t next_pts; ///< synthetic pts for the next decode frame (in AV_TIME_BASE units)
316   int64_t pts; ///< current pts of the decoded frame (in AV_TIME_BASE units)
317   int wrap_correction_done;
318 
319   int64_t filter_in_rescale_delta_last;
320 
321   int64_t min_pts; /* pts with the smallest value in a current stream */
322   int64_t max_pts; /* pts with the higher value in a current stream */
323 
324  // when forcing constant input framerate through -r,
325  // this contains the pts that will be given to the next decoded frame
326   int64_t cfr_next_pts;
327 
328   int64_t nb_samples; /* number of samples in the last decoded audio frame before looping */
329 
330   double ts_scale;
331   int saw_first_ts;
332   AVDictionary *decoder_opts;
333   AVRational framerate; /* framerate forced with -r */
334   int top_field_first;
335   int guess_layout_max;
336 
337   int autorotate;
338 
339   int fix_sub_duration;
340  struct { /* previous decoded subtitle and related variables */
341   int got_output;
342   int ret;
343   AVSubtitle subtitle;
344  } prev_sub;
345 
346   struct sub2video {
347   int64_t last_pts;
348   int64_t end_pts;
349   AVFifoBuffer *sub_queue; ///< queue of AVSubtitle* before filter init
350   AVFrame *frame;
351   int w, h;
352  } sub2video;
353 
354   int dr1;
355 
356  /* decoded data from this stream goes into all those filters
357  * currently video and audio only */
358   InputFilter **filters;
359   int nb_filters;
360 
361   int reinit_filters;
362 
363  /* hwaccel options */
364   enum HWAccelID hwaccel_id;
365   enum AVHWDeviceType hwaccel_device_type;
366   char *hwaccel_device;
367   enum AVPixelFormat hwaccel_output_format;
368 
369  /* hwaccel context */
370   void *hwaccel_ctx;
371   void (*hwaccel_uninit)(AVCodecContext *s);
372   int (*hwaccel_get_buffer)(AVCodecContext *s, AVFrame *frame, int flags);
373   int (*hwaccel_retrieve_data)(AVCodecContext *s, AVFrame *frame);
374   enum AVPixelFormat hwaccel_pix_fmt;
375   enum AVPixelFormat hwaccel_retrieved_pix_fmt;
376   AVBufferRef *hw_frames_ctx;
377 
378  /* stats */
379  // combined size of all the packets read
380   uint64_t data_size;
381  /* number of packets successfully read for this stream */
382   uint64_t nb_packets;
383  // number of frames/samples retrieved from the decoder
384   uint64_t frames_decoded;
385   uint64_t samples_decoded;
386 
387   int64_t *dts_buffer;
388   int nb_dts_buffer;
389 
390  int got_output;
391 } InputStream;
392 
393  typedef struct InputFile {
394   AVFormatContext *ctx;
395   int eof_reached; /* true if eof reached */
396   int eagain; /* true if last read attempt returned EAGAIN */
397   int ist_index; /* index of first stream in input_streams */
398   int loop; /* set number of times input stream should be looped */
399   int64_t duration; /* actual duration of the longest stream in a file
400  at the moment when looping happens */
401   AVRational time_base; /* time base of the duration */
402   int64_t input_ts_offset;
403 
404   int64_t ts_offset;
405   int64_t last_ts;
406   int64_t start_time; /* user-specified start time in AV_TIME_BASE or AV_NOPTS_VALUE */
407   int seek_timestamp;
408   int64_t recording_time;
409   int nb_streams; /* number of stream that ffmpeg is aware of; may be different
410  from ctx.nb_streams if new streams appear during av_read_frame() */
411   int nb_streams_warn; /* number of streams that the user was warned of */
412   int rate_emu;
413   int accurate_seek;
414 
415 #if HAVE_THREADS
416  AVThreadMessageQueue *in_thread_queue;
417  pthread_t thread; /* thread reading from this file */
418  int non_blocking; /* reading packets from the thread should not block */
419  int joined; /* the thread has been joined */
420  int thread_queue_size; /* maximum number of queued packets */
421 #endif
422 } InputFile;
423 
424  enum forced_keyframes_const {
425   FKF_N,
426   FKF_N_FORCED,
427   FKF_PREV_FORCED_N,
428   FKF_PREV_FORCED_T,
429   FKF_T,
430   FKF_NB
431 };
432 
433  #define ABORT_ON_FLAG_EMPTY_OUTPUT (1 << 0)
434 
435 extern const char *const forced_keyframes_const_names[];
436 
437  typedef enum {
438   ENCODER_FINISHED = 1,
439   MUXER_FINISHED = 2,
440 } OSTFinished ;
441 
442 typedef struct OutputStream {
443   int file_index; /* file index */
444   int index; /* stream index in the output file */
445   int source_index; /* InputStream index */
446  AVStream *st; /* stream in the output file */
447   int encoding_needed; /* true if encoding needed for this stream */
448   int frame_number;
449  /* input pts and corresponding output pts
450  for A/V sync */
451   struct InputStream *sync_ist; /* input stream to sync against */
452   int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
453  /* pts of the first frame encoded for this stream, used for limiting
454  * recording time */
455   int64_t first_pts;
456  /* dts of the last packet sent to the muxer */
457   int64_t last_mux_dts;
458  // the timebase of the packets sent to the muxer
459   AVRational mux_timebase;
460   AVRational enc_timebase;
461 
462   int nb_bitstream_filters;
463   AVBSFContext **bsf_ctx;
464 
465   AVCodecContext *enc_ctx;
466   AVCodecParameters *ref_par; /* associated input codec parameters with encoders options applied */
467   AVCodec *enc;
468   int64_t max_frames;
469   AVFrame *filtered_frame;
470   AVFrame *last_frame;
471   int last_dropped;
472   int last_nb0_frames[3];
473 
474   void *hwaccel_ctx;
475 
476  /* video only */
477   AVRational frame_rate;
478   int is_cfr;
479   int force_fps;
480   int top_field_first;
481   int rotate_overridden;
482   double rotate_override_value;
483 
484   AVRational frame_aspect_ratio;
485 
486  /* forced key frames */
487   int64_t *forced_kf_pts;
488   int forced_kf_count;
489   int forced_kf_index;
490   char *forced_keyframes;
491   AVExpr *forced_keyframes_pexpr;
492   double forced_keyframes_expr_const_values[FKF_NB];
493 
494  /* audio only */
495   int *audio_channels_map; /* list of the channels id to pick from the source stream */
496   int audio_channels_mapped; /* number of channels in audio_channels_map */
497 
498   char *logfile_prefix;
499   FILE *logfile;
500 
501   OutputFilter *filter;
502   char *avfilter;
503   char *filters; ///< filtergraph associated to the -filter option
504   char *filters_script; ///< filtergraph script associated to the -filter_script option
505 
506   AVDictionary *encoder_opts;
507   AVDictionary *sws_dict;
508   AVDictionary *swr_opts;
509   AVDictionary *resample_opts;
510   char *apad;
511   OSTFinished finished; /* no more packets should be written for this stream */
512   int unavailable; /* true if the steram is unavailable (possibly temporarily) */
513   int stream_copy;
514 
515  // init_output_stream() has been called for this stream
516  // The encoder and the bitstream filters have been initialized and the stream
517  // parameters are set in the AVStream.
518   int initialized;
519 
520   int inputs_done;
521 
522   const char *attachment_filename;
523   int copy_initial_nonkeyframes;
524   int copy_prior_start;
525   char *disposition;
526 
527   int keep_pix_fmt;
528 
529  /* stats */
530  // combined size of all the packets written
531   uint64_t data_size;
532  // number of packets send to the muxer
533   uint64_t packets_written;
534  // number of frames/samples sent to the encoder
535   uint64_t frames_encoded;
536   uint64_t samples_encoded;
537 
538  /* packet quality factor */
539   int quality;
540 
541   int max_muxing_queue_size;
542 
543  /* the packets are buffered here until the muxer is ready to be initialized */
544   AVFifoBuffer *muxing_queue;
545 
546  /* packet picture type */
547   int pict_type;
548 
549  /* frame encode sum of squared error values */
550   int64_t error[4];
551 } OutputStream;
552 
553  typedef struct OutputFile {
554   AVFormatContext *ctx;
555   AVDictionary *opts;
556   int ost_index; /* index of the first stream in output_streams */
557   int64_t recording_time; ///< desired length of the resulting file in microseconds == AV_TIME_BASE units
558   int64_t start_time; ///< start time in microseconds == AV_TIME_BASE units
559   uint64_t limit_filesize; /* filesize limit expressed in bytes */
560 
561   int shortest;
562 
563   int header_written;
564 } OutputFile;
565 
566 extern InputStream **input_streams;
567 extern int nb_input_streams;
568 extern InputFile **input_files;
569 extern int nb_input_files;
570 
571 extern OutputStream **output_streams;
572 extern int nb_output_streams;
573 extern OutputFile **output_files;
574 extern int nb_output_files;
575 
576 extern FilterGraph **filtergraphs;
577 extern int nb_filtergraphs;
578 
579 extern char *vstats_filename;
580 extern char *sdp_filename;
581 
582 extern float audio_drift_threshold;
583 extern float dts_delta_threshold;
584 extern float dts_error_threshold;
585 
586 extern int audio_volume;
587 extern int audio_sync_method;
588 extern int video_sync_method;
589 extern float frame_drop_threshold;
590 extern int do_benchmark;
591 extern int do_benchmark_all;
592 extern int do_deinterlace;
593 extern int do_hex_dump;
594 extern int do_pkt_dump;
595 extern int copy_ts;
596 extern int start_at_zero;
597 extern int copy_tb;
598 extern int debug_ts;
599 extern int exit_on_error;
600 extern int abort_on_flags;
601 extern int print_stats;
602 extern int qp_hist;
603 extern int stdin_interaction;
604 extern int frame_bits_per_raw_sample;
605 extern AVIOContext *progress_avio;
606 extern float max_error_rate;
607 extern char *videotoolbox_pixfmt;
608 
609 extern int filter_nbthreads;
610 extern int filter_complex_nbthreads;
611 extern int vstats_version;
612 
613 extern const AVIOInterruptCB int_cb;
614 
615 extern const OptionDef options[];
616 extern const HWAccel hwaccels[];
617 extern AVBufferRef *hw_device_ctx;
618 #if CONFIG_QSV
619 extern char *qsv_device;
620 #endif
621 extern HWDevice *filter_hw_device;
622 
623 
624 void term_init(void);
625 void term_exit(void);
626 
627 void reset_options(OptionsContext *o, int is_input);
628 void show_usage(void);
629 
630 void opt_output_file(void *optctx, const char *filename);
631 
632 void remove_avoptions(AVDictionary **a, AVDictionary *b);
633 void assert_avoptions(AVDictionary *m);
634 
635 int guess_input_channel_layout(InputStream *ist);
636 
637 enum AVPixelFormat choose_pixel_fmt(AVStream *st, AVCodecContext *avctx, AVCodec *codec, enum AVPixelFormat target);
638 void choose_sample_fmt(AVStream *st, AVCodec *codec);
639 
640 int configure_filtergraph(FilterGraph *fg);
641 int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out);
642 void check_filter_outputs(void);
643 int ist_in_filtergraph(FilterGraph *fg, InputStream *ist);
644 int filtergraph_is_simple(FilterGraph *fg);
645 int init_simple_filtergraph(InputStream *ist, OutputStream *ost);
646 int init_complex_filtergraph(FilterGraph *fg);
647 
648 void sub2video_update(InputStream *ist, AVSubtitle *sub);
649 
650 int ifilter_parameters_from_frame(InputFilter *ifilter, const AVFrame *frame);
651 
652 int ffmpeg_parse_options(int argc, char **argv);
653 
654 int videotoolbox_init(AVCodecContext *s);
655 int qsv_init(AVCodecContext *s);
656 int cuvid_init(AVCodecContext *s);
657 
658 HWDevice *hw_device_get_by_name(const char *name);
659 int hw_device_init_from_string(const char *arg, HWDevice **dev);
660 void hw_device_free_all(void);
661 
662 int hw_device_setup_for_decode(InputStream *ist);
663 int hw_device_setup_for_encode(OutputStream *ost);
664 
665 int hwaccel_decode_init(AVCodecContext *avctx);
666 
667 #endif /* FFTOOLS_FFMPEG_H */
InputStream::pts
int64_t pts
current pts of the decoded frame (in AV_TIME_BASE units)
Definition: ffmpeg.h:316
OutputStream::nb_bitstream_filters
int nb_bitstream_filters
Definition: ffmpeg.h:462
OptionsContext::passlogfiles
SpecifierOpt * passlogfiles
Definition: ffmpeg.h:215
OutputStream::enc_timebase
AVRational enc_timebase
Definition: ffmpeg.h:460
OptionsContext::nb_dump_attachment
int nb_dump_attachment
Definition: ffmpeg.h:127
InputStream::got_output
int got_output
Definition: ffmpeg.h:341
OptionsContext::nb_metadata
int nb_metadata
Definition: ffmpeg.h:168
OptionsContext::nb_streamid_map
int nb_streamid_map
Definition: ffmpeg.h:165
OutputStream::frame_number
int frame_number
Definition: ffmpeg.h:448
OutputFilter::width
int width
Definition: ffmpeg.h:270
FKF_N
Definition: ffmpeg.h:425
OutputStream::keep_pix_fmt
int keep_pix_fmt
Definition: ffmpeg.h:527
s
const char * s
Definition: avisynth_c.h:768
AVIOContext
Bytestream IO Context.
Definition: avio.h:161
OptionsContext::mux_preload
float mux_preload
Definition: ffmpeg.h:153
OutputFile::recording_time
int64_t recording_time
desired length of the resulting file in microseconds == AV_TIME_BASE units
Definition: ffmpeg.h:557
HWAccelID
HWAccelID
Definition: ffmpeg.h:58
avio.h
Buffered I/O operations.
OutputFilter::name
uint8_t * name
Definition: ffmpeg.h:263
FilterGraph::nb_outputs
int nb_outputs
Definition: ffmpeg.h:292
qsv_device
char * qsv_device
Definition: ffmpeg_qsv.c:31
InputStream::sub2video::last_pts
int64_t last_pts
Definition: ffmpeg.h:347
OutputStream::swr_opts
AVDictionary * swr_opts
Definition: ffmpeg.h:508
choose_pixel_fmt
enum AVPixelFormat choose_pixel_fmt(AVStream *st, AVCodecContext *avctx, AVCodec *codec, enum AVPixelFormat target)
Definition: ffmpeg_filter.c:63
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:218
OutputStream::stream_copy
int stream_copy
Definition: ffmpeg.h:513
OutputStream::frame_rate
AVRational frame_rate
Definition: ffmpeg.h:477
OutputStream::forced_kf_pts
int64_t * forced_kf_pts
Definition: ffmpeg.h:487
OptionsContext::start_time_eof
int64_t start_time_eof
Definition: ffmpeg.h:100
InputStream::hw_frames_ctx
AVBufferRef * hw_frames_ctx
Definition: ffmpeg.h:376
OutputStream::filters
char * filters
filtergraph associated to the -filter option
Definition: ffmpeg.h:503
OptionsContext::hwaccel_output_formats
SpecifierOpt * hwaccel_output_formats
Definition: ffmpeg.h:132
filter_hw_device
HWDevice * filter_hw_device
Definition: ffmpeg_opt.c:81
OptionsContext::data_disable
int data_disable
Definition: ffmpeg.h:161
OptionsContext::mux_max_delay
float mux_max_delay
Definition: ffmpeg.h:154
exit_on_error
int exit_on_error
Definition: ffmpeg_opt.c:103
InputStream::cfr_next_pts
int64_t cfr_next_pts
Definition: ffmpeg.h:326
InputFile::accurate_seek
int accurate_seek
Definition: ffmpeg.h:413
output_files
OutputFile ** output_files
Definition: ffmpeg.c:148
OptionsContext::nb_forced_key_frames
int nb_forced_key_frames
Definition: ffmpeg.h:180
OptionsContext::streamid_map
int * streamid_map
Definition: ffmpeg.h:164
OptionsContext::nb_pass
int nb_pass
Definition: ffmpeg.h:214
avfilter.h
Main libavfilter public API header.
OptionsContext::nb_stream_maps
int nb_stream_maps
Definition: ffmpeg.h:139
OptionsContext::copy_initial_nonkeyframes
SpecifierOpt * copy_initial_nonkeyframes
Definition: ffmpeg.h:199
AudioChannelMap::ostream_idx
int ostream_idx
Definition: ffmpeg.h:92
OptionsContext::nb_chroma_intra_matrices
int nb_chroma_intra_matrices
Definition: ffmpeg.h:192
InputStream::framerate
AVRational framerate
Definition: ffmpeg.h:333
HWDevice::name
char * name
Definition: ffmpeg.h:75
choose_sample_fmt
void choose_sample_fmt(AVStream *st, AVCodec *codec)
Definition: ffmpeg_filter.c:92
OptionsContext::reinit_filters
SpecifierOpt * reinit_filters
Definition: ffmpeg.h:207
OptionsContext::ts_scale
SpecifierOpt * ts_scale
Definition: ffmpeg.h:124
InputFilter::height
int height
Definition: ffmpeg.h:247
InputStream::max_pts
int64_t max_pts
Definition: ffmpeg.h:322
OutputFilter::out_tmp
AVFilterInOut * out_tmp
Definition: ffmpeg.h:266
OptionsContext::bitexact
int bitexact
Definition: ffmpeg.h:156
InputStream::decoding_needed
int decoding_needed
Definition: ffmpeg.h:300
OptionsContext::nb_canvas_sizes
int nb_canvas_sizes
Definition: ffmpeg.h:212
AVBSFContext
The bitstream filter state.
Definition: avcodec.h:5687
OutputStream::rotate_overridden
int rotate_overridden
Definition: ffmpeg.h:481
OutputStream::max_muxing_queue_size
int max_muxing_queue_size
Definition: ffmpeg.h:541
b
const char * b
Definition: vf_curves.c:113
OptionsContext::discard
SpecifierOpt * discard
Definition: ffmpeg.h:223
OptionsContext::nb_frame_pix_fmts
int nb_frame_pix_fmts
Definition: ffmpeg.h:115
OutputStream::hwaccel_ctx
void * hwaccel_ctx
Definition: ffmpeg.h:474
OptionsContext::sample_fmts
SpecifierOpt * sample_fmts
Definition: ffmpeg.h:175
OptionsContext::guess_layout_max
SpecifierOpt * guess_layout_max
Definition: ffmpeg.h:219
hw_device_free_all
void hw_device_free_all(void)
Definition: ffmpeg_hw.c:269
InputFile::eagain
int eagain
Definition: ffmpeg.h:396
avutil.h
Convenience header that includes libavutil's core.
forced_keyframes_const
forced_keyframes_const
Definition: ffmpeg.h:424
OutputStream::quality
int quality
Definition: ffmpeg.h:539
cuvid_init
int cuvid_init(AVCodecContext *s)
Definition: ffmpeg_cuvid.c:30
InputStream::filter_frame
AVFrame * filter_frame
Definition: ffmpeg.h:307
do_benchmark_all
int do_benchmark_all
Definition: ffmpeg_opt.c:96
OptionsContext::nb_program
int nb_program
Definition: ffmpeg.h:228
OutputStream::last_dropped
int last_dropped
Definition: ffmpeg.h:471
filtergraphs
FilterGraph ** filtergraphs
Definition: ffmpeg.c:151
InputStream::hwaccel_get_buffer
int(* hwaccel_get_buffer)(AVCodecContext *s, AVFrame *frame, int flags)
Definition: ffmpeg.h:372
InputFile::input_ts_offset
int64_t input_ts_offset
Definition: ffmpeg.h:402
do_hex_dump
int do_hex_dump
Definition: ffmpeg_opt.c:97
OptionsContext::nb_filter_scripts
int nb_filter_scripts
Definition: ffmpeg.h:206
HWAccel::name
const char * name
Definition: ffmpeg.h:68
OutputStream::packets_written
uint64_t packets_written
Definition: ffmpeg.h:533
AVCodec
AVCodec.
Definition: avcodec.h:3408
InputStream::nb_dts_buffer
int nb_dts_buffer
Definition: ffmpeg.h:388
OptionsContext::filters
SpecifierOpt * filters
Definition: ffmpeg.h:203
AVCodecParameters
This struct describes the properties of an encoded stream.
Definition: avcodec.h:3876
print_stats
int print_stats
Definition: ffmpeg_opt.c:105
dts_error_threshold
float dts_error_threshold
Definition: ffmpeg_opt.c:88
OutputFile::start_time
int64_t start_time
start time in microseconds == AV_TIME_BASE units
Definition: ffmpeg.h:558
FilterGraph::index
int index
Definition: ffmpeg.h:283
InputFile
Definition: ffmpeg.h:393
OutputStream::data_size
uint64_t data_size
Definition: ffmpeg.h:531
OptionsContext::qscale
SpecifierOpt * qscale
Definition: ffmpeg.h:177
OutputStream::bsf_ctx
AVBSFContext ** bsf_ctx
Definition: ffmpeg.h:463
OptionsContext::frame_pix_fmts
SpecifierOpt * frame_pix_fmts
Definition: ffmpeg.h:114
OptionsContext::chroma_intra_matrices
SpecifierOpt * chroma_intra_matrices
Definition: ffmpeg.h:191
InputFilter::graph
struct FilterGraph * graph
Definition: ffmpeg.h:238
OptionsContext::intra_matrices
SpecifierOpt * intra_matrices
Definition: ffmpeg.h:187
OutputStream::encoding_needed
int encoding_needed
Definition: ffmpeg.h:447
AVFormatContext
Format I/O context.
Definition: avformat.h:1342
HWDevice
Definition: ffmpeg.h:74
remove_avoptions
void remove_avoptions(AVDictionary **a, AVDictionary *b)
Definition: ffmpeg.c:630
InputStream::samples_decoded
uint64_t samples_decoded
Definition: ffmpeg.h:385
InputFilter::ist
struct InputStream * ist
Definition: ffmpeg.h:237
HWAccel::id
enum HWAccelID id
Definition: ffmpeg.h:70
InputStream::frames_decoded
uint64_t frames_decoded
Definition: ffmpeg.h:384
OutputFile::header_written
int header_written
Definition: ffmpeg.h:563
FilterGraph::graph
AVFilterGraph * graph
Definition: ffmpeg.h:286
dict.h
Public dictionary API.
OutputStream::logfile_prefix
char * logfile_prefix
Definition: ffmpeg.h:498
InputStream::user_set_discard
int user_set_discard
Definition: ffmpeg.h:299
OutputStream::copy_initial_nonkeyframes
int copy_initial_nonkeyframes
Definition: ffmpeg.h:523
InputStream::dts_buffer
int64_t * dts_buffer
Definition: ffmpeg.h:387
uint8_t
uint8_t
Definition: audio_convert.c:194
OutputStream::sws_dict
AVDictionary * sws_dict
Definition: ffmpeg.h:507
OptionsContext::nb_time_bases
int nb_time_bases
Definition: ffmpeg.h:230
stdin_interaction
int stdin_interaction
Definition: ffmpeg_opt.c:107
OutputStream::logfile
FILE * logfile
Definition: ffmpeg.h:499
OutputFile::opts
AVDictionary * opts
Definition: ffmpeg.h:555
AVExpr
Definition: eval.c:157
do_benchmark
int do_benchmark
Definition: ffmpeg_opt.c:95
audio_sync_method
int audio_sync_method
Definition: ffmpeg_opt.c:91
OptionsContext::nb_max_frames
int nb_max_frames
Definition: ffmpeg.h:170
OutputFile::shortest
int shortest
Definition: ffmpeg.h:561
nb_output_streams
int nb_output_streams
Definition: ffmpeg.c:147
frame
static AVFrame * frame
Definition: demuxing_decoding.c:53
InputFile::nb_streams
int nb_streams
Definition: ffmpeg.h:409
StreamMap::sync_file_index
int sync_file_index
Definition: ffmpeg.h:85
InputFilter::type
enum AVMediaType type
Definition: ffmpeg.h:240
OutputStream::resample_opts
AVDictionary * resample_opts
Definition: ffmpeg.h:509
OptionsContext::seek_timestamp
int seek_timestamp
Definition: ffmpeg.h:101
flags
static int flags
Definition: log.c:55
reset_options
void reset_options(OptionsContext *o, int is_input)
OutputFilter::filter
AVFilterContext * filter
Definition: ffmpeg.h:260
OutputFilter::formats
int * formats
Definition: ffmpeg.h:277
OptionsContext::bitstream_filters
SpecifierOpt * bitstream_filters
Definition: ffmpeg.h:171
init_complex_filtergraph
int init_complex_filtergraph(FilterGraph *fg)
Definition: ffmpeg_filter.c:332
InputStream::dec
AVCodec * dec
Definition: ffmpeg.h:305
InputStream::top_field_first
int top_field_first
Definition: ffmpeg.h:334
InputStream::file_index
int file_index
Definition: ffmpeg.h:296
StreamMap
Definition: ffmpeg.h:81
InputStream::sub2video
struct InputStream::sub2video sub2video
InputStream::filter_in_rescale_delta_last
int64_t filter_in_rescale_delta_last
Definition: ffmpeg.h:319
InputStream::wrap_correction_done
int wrap_correction_done
Definition: ffmpeg.h:317
ist_in_filtergraph
int ist_in_filtergraph(FilterGraph *fg, InputStream *ist)
Definition: ffmpeg_filter.c:1199
filter_complex_nbthreads
int filter_complex_nbthreads
Definition: ffmpeg_opt.c:111
OptionsContext::disposition
SpecifierOpt * disposition
Definition: ffmpeg.h:225
InputStream::next_dts
int64_t next_dts
Definition: ffmpeg.h:312
OptionsContext::enc_time_bases
SpecifierOpt * enc_time_bases
Definition: ffmpeg.h:231
OutputFilter::channel_layout
uint64_t channel_layout
Definition: ffmpeg.h:274
InputStream::sub2video::sub_queue
AVFifoBuffer * sub_queue
queue of AVSubtitle* before filter init
Definition: ffmpeg.h:349
AVIOInterruptCB
Callback for checking whether to abort blocking functions.
Definition: avio.h:58
swresample.h
libswresample public header
OptionsContext::nb_top_field_first
int nb_top_field_first
Definition: ffmpeg.h:194
AVDictionary
Definition: dict.c:30
InputFilter::sample_aspect_ratio
AVRational sample_aspect_ratio
Definition: ffmpeg.h:248
InputFile::rate_emu
int rate_emu
Definition: ffmpeg.h:412
OptionsContext::nb_discard
int nb_discard
Definition: ffmpeg.h:224
InputFilter::sample_rate
int sample_rate
Definition: ffmpeg.h:250
check_filter_outputs
void check_filter_outputs(void)
Definition: ffmpeg_filter.c:682
InputStream::hwaccel_pix_fmt
enum AVPixelFormat hwaccel_pix_fmt
Definition: ffmpeg.h:374
ffmpeg_parse_options
int ffmpeg_parse_options(int argc, char **argv)
Definition: ffmpeg_opt.c:3216
InputFilter::filter
AVFilterContext * filter
Definition: ffmpeg.h:236
InputStream::hwaccel_uninit
void(* hwaccel_uninit)(AVCodecContext *s)
Definition: ffmpeg.h:371
OptionsContext::nb_filters
int nb_filters
Definition: ffmpeg.h:204
OptionsContext::start_time
int64_t start_time
Definition: ffmpeg.h:99
InputStream::start
int64_t start
Definition: ffmpeg.h:309
InputFile::loop
int loop
Definition: ffmpeg.h:398
InputStream::nb_packets
uint64_t nb_packets
Definition: ffmpeg.h:382
InputFile::seek_timestamp
int seek_timestamp
Definition: ffmpeg.h:407
OutputStream::last_mux_dts
int64_t last_mux_dts
Definition: ffmpeg.h:457
video_sync_method
int video_sync_method
Definition: ffmpeg_opt.c:92
InputFilter::format
int format
Definition: ffmpeg.h:245
sdp_filename
char * sdp_filename
Definition: ffmpeg_opt.c:84
OptionsContext::apad
SpecifierOpt * apad
Definition: ffmpeg.h:221
OutputStream::last_nb0_frames
int last_nb0_frames[3]
Definition: ffmpeg.h:472
InputStream::dr1
int dr1
Definition: ffmpeg.h:354
OptionsContext::nb_hwaccel_devices
int nb_hwaccel_devices
Definition: ffmpeg.h:131
OptionsContext::audio_channel_maps
AudioChannelMap * audio_channel_maps
Definition: ffmpeg.h:140
InputStream::sub2video::frame
AVFrame * frame
Definition: ffmpeg.h:350
OptionsContext::nb_disposition
int nb_disposition
Definition: ffmpeg.h:226
arg
const char * arg
Definition: jacosubdec.c:66
OptionsContext::codec_tags
SpecifierOpt * codec_tags
Definition: ffmpeg.h:173
OptionsContext::rc_overrides
SpecifierOpt * rc_overrides
Definition: ffmpeg.h:185
HWAccel::init
int(* init)(AVCodecContext *s)
Definition: ffmpeg.h:69
OptionsContext::video_disable
int video_disable
Definition: ffmpeg.h:158
InputFilter::eof
int eof
Definition: ffmpeg.h:256
OptionsContext::nb_apad
int nb_apad
Definition: ffmpeg.h:222
nb_input_files
int nb_input_files
Definition: ffmpeg.c:144
OutputStream::force_fps
int force_fps
Definition: ffmpeg.h:479
hw_device_setup_for_encode
int hw_device_setup_for_encode(OutputStream *ost)
Definition: ffmpeg_hw.c:414
OptionsContext::nb_codec_names
int nb_codec_names
Definition: ffmpeg.h:105
qp_hist
int qp_hist
Definition: ffmpeg_opt.c:106
OptionsContext::stream_maps
StreamMap * stream_maps
Definition: ffmpeg.h:138
frame_drop_threshold
float frame_drop_threshold
Definition: ffmpeg_opt.c:93
OptionsContext::limit_filesize
uint64_t limit_filesize
Definition: ffmpeg.h:152
OptionsContext::format
const char * format
Definition: ffmpeg.h:102
OutputStream::error
int64_t error[4]
Definition: ffmpeg.h:550
OptionsContext::nb_passlogfiles
int nb_passlogfiles
Definition: ffmpeg.h:216
filter_nbthreads
int filter_nbthreads
Definition: ffmpeg_opt.c:110
OptionsContext::nb_force_fps
int nb_force_fps
Definition: ffmpeg.h:182
OutputStream::filter
OutputFilter * filter
Definition: ffmpeg.h:501
OutputStream::frame_aspect_ratio
AVRational frame_aspect_ratio
Definition: ffmpeg.h:484
OptionsContext::nb_sample_fmts
int nb_sample_fmts
Definition: ffmpeg.h:176
StreamMap::file_index
int file_index
Definition: ffmpeg.h:83
OptionsContext::nb_audio_channel_maps
int nb_audio_channel_maps
Definition: ffmpeg.h:141
OutputStream::mux_timebase
AVRational mux_timebase
Definition: ffmpeg.h:459
OptionsContext::filter_scripts
SpecifierOpt * filter_scripts
Definition: ffmpeg.h:205
OptionsContext::nb_attachments
int nb_attachments
Definition: ffmpeg.h:146
StreamMap::linklabel
char * linklabel
Definition: ffmpeg.h:87
OptionsContext::nb_hwaccel_output_formats
int nb_hwaccel_output_formats
Definition: ffmpeg.h:133
OptionsContext::nb_ts_scale
int nb_ts_scale
Definition: ffmpeg.h:125
OutputStream::is_cfr
int is_cfr
Definition: ffmpeg.h:478
OptionsContext::audio_channels
SpecifierOpt * audio_channels
Definition: ffmpeg.h:106
OutputFilter::channel_layouts
uint64_t * channel_layouts
Definition: ffmpeg.h:278
InputStream::saw_first_ts
int saw_first_ts
Definition: ffmpeg.h:331
OptionsContext::nb_audio_sample_rate
int nb_audio_sample_rate
Definition: ffmpeg.h:109
abort_on_flags
int abort_on_flags
Definition: ffmpeg_opt.c:104
OptionsContext::time_bases
SpecifierOpt * time_bases
Definition: ffmpeg.h:229
OptionsContext::metadata_chapters_manual
int metadata_chapters_manual
Definition: ffmpeg.h:144
OutputFilter::ost
struct OutputStream * ost
Definition: ffmpeg.h:261
OptionsContext::accurate_seek
int accurate_seek
Definition: ffmpeg.h:121
OutputStream::apad
char * apad
Definition: ffmpeg.h:510
void
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
OptionsContext::pass
SpecifierOpt * pass
Definition: ffmpeg.h:213
InputStream::nb_samples
int64_t nb_samples
Definition: ffmpeg.h:328
OptionsContext::audio_sample_rate
SpecifierOpt * audio_sample_rate
Definition: ffmpeg.h:108
hw_device_setup_for_decode
int hw_device_setup_for_decode(InputStream *ist)
Definition: ffmpeg_hw.c:298
OutputStream::forced_keyframes_expr_const_values
double forced_keyframes_expr_const_values[FKF_NB]
Definition: ffmpeg.h:492
InputFile::duration
int64_t duration
Definition: ffmpeg.h:399
opt_output_file
void opt_output_file(void *optctx, const char *filename)
InputFilter::width
int width
Definition: ffmpeg.h:247
ifilter_parameters_from_frame
int ifilter_parameters_from_frame(InputFilter *ifilter, const AVFrame *frame)
Definition: ffmpeg_filter.c:1176
OptionsContext::dump_attachment
SpecifierOpt * dump_attachment
Definition: ffmpeg.h:126
assert_avoptions
void assert_avoptions(AVDictionary *m)
Definition: ffmpeg.c:639
OptionsContext::canvas_sizes
SpecifierOpt * canvas_sizes
Definition: ffmpeg.h:211
OptionsContext::nb_codec_tags
int nb_codec_tags
Definition: ffmpeg.h:174
qsv_init
int qsv_init(AVCodecContext *s)
Definition: ffmpeg_qsv.c:71
InputFile::last_ts
int64_t last_ts
Definition: ffmpeg.h:405
OptionsContext::metadata_map
SpecifierOpt * metadata_map
Definition: ffmpeg.h:195
InputStream::sub2video::end_pts
int64_t end_pts
Definition: ffmpeg.h:348
do_pkt_dump
int do_pkt_dump
Definition: ffmpeg_opt.c:98
OutputStream::max_frames
int64_t max_frames
Definition: ffmpeg.h:468
InputStream::hwaccel_retrieve_data
int(* hwaccel_retrieve_data)(AVCodecContext *s, AVFrame *frame)
Definition: ffmpeg.h:373
OutputStream::audio_channels_mapped
int audio_channels_mapped
Definition: ffmpeg.h:496
OptionsContext::copy_prior_start
SpecifierOpt * copy_prior_start
Definition: ffmpeg.h:201
OutputFilter::height
int height
Definition: ffmpeg.h:270
OptionsContext::frame_aspect_ratios
SpecifierOpt * frame_aspect_ratios
Definition: ffmpeg.h:183
OptionsContext::frame_sizes
SpecifierOpt * frame_sizes
Definition: ffmpeg.h:112
AudioChannelMap::stream_idx
int stream_idx
Definition: ffmpeg.h:91
OutputFilter::sample_rate
int sample_rate
Definition: ffmpeg.h:273
OptionsContext::nb_hwaccels
int nb_hwaccels
Definition: ffmpeg.h:129
OutputStream::inputs_done
int inputs_done
Definition: ffmpeg.h:520
vstats_version
int vstats_version
Definition: ffmpeg_opt.c:112
hw_device_get_by_name
HWDevice * hw_device_get_by_name(const char *name)
Definition: ffmpeg_hw.c:42
start_at_zero
int start_at_zero
Definition: ffmpeg_opt.c:100
InputStream::ret
int ret
Definition: ffmpeg.h:342
audio_volume
int audio_volume
Definition: ffmpeg_opt.c:90
AVStream
Stream structure.
Definition: avformat.h:873
AVFifoBuffer
Definition: fifo.h:31
AVFilterInOut
A linked-list of the inputs/outputs of the filter chain.
Definition: avfilter.h:1003
InputStream::filters
InputFilter ** filters
Definition: ffmpeg.h:358
InputStream::fix_sub_duration
int fix_sub_duration
Definition: ffmpeg.h:339
InputFile::recording_time
int64_t recording_time
Definition: ffmpeg.h:408
OptionsContext::hwaccels
SpecifierOpt * hwaccels
Definition: ffmpeg.h:128
HWAccel
Definition: ffmpeg.h:67
OptionsContext::frame_rates
SpecifierOpt * frame_rates
Definition: ffmpeg.h:110
InputStream::st
AVStream * st
Definition: ffmpeg.h:297
OptionsContext::nb_presets
int nb_presets
Definition: ffmpeg.h:198
InputStream::hwaccel_device_type
enum AVHWDeviceType hwaccel_device_type
Definition: ffmpeg.h:365
OutputFile::ost_index
int ost_index
Definition: ffmpeg.h:556
OutputStream::sync_ist
struct InputStream * sync_ist
Definition: ffmpeg.h:451
avcodec.h
Libavcodec external API header.
InputStream::ts_scale
double ts_scale
Definition: ffmpeg.h:330
OptionsContext::recording_time
int64_t recording_time
Definition: ffmpeg.h:150
OutputStream::unavailable
int unavailable
Definition: ffmpeg.h:512
term_exit
void term_exit(void)
Definition: ffmpeg.c:322
OptionsContext::chapters_input_file
int chapters_input_file
Definition: ffmpeg.h:148
OptionsContext::stop_time
int64_t stop_time
Definition: ffmpeg.h:151
max_error_rate
float max_error_rate
Definition: ffmpeg_opt.c:109
OutputStream::frames_encoded
uint64_t frames_encoded
Definition: ffmpeg.h:535
OptionsContext::nb_copy_prior_start
int nb_copy_prior_start
Definition: ffmpeg.h:202
OutputStream::muxing_queue
AVFifoBuffer * muxing_queue
Definition: ffmpeg.h:544
output_streams
OutputStream ** output_streams
Definition: ffmpeg.c:146
InputFile::ist_index
int ist_index
Definition: ffmpeg.h:397
FilterGraph::graph_desc
const char * graph_desc
Definition: ffmpeg.h:284
InputStream::guess_layout_max
int guess_layout_max
Definition: ffmpeg.h:335
InputFile::start_time
int64_t start_time
Definition: ffmpeg.h:406
AVCodecContext
main external API structure.
Definition: avcodec.h:1518
input_files
InputFile ** input_files
Definition: ffmpeg.c:143
OptionsContext::rate_emu
int rate_emu
Definition: ffmpeg.h:120
OutputFilter::sample_rates
int * sample_rates
Definition: ffmpeg.h:279
OptionsContext::metadata_streams_manual
int metadata_streams_manual
Definition: ffmpeg.h:143
OutputStream::attachment_filename
const char * attachment_filename
Definition: ffmpeg.h:522
configure_output_filter
int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
Definition: ffmpeg_filter.c:668
fifo.h
a very simple circular buffer FIFO implementation
InputFile::time_base
AVRational time_base
Definition: ffmpeg.h:401
OutputStream::enc_ctx
AVCodecContext * enc_ctx
Definition: ffmpeg.h:465
OptionsContext::audio_disable
int audio_disable
Definition: ffmpeg.h:159
OptionsContext::input_ts_offset
int64_t input_ts_offset
Definition: ffmpeg.h:118
nb_filtergraphs
int nb_filtergraphs
Definition: ffmpeg.c:152
InputStream::decoded_frame
AVFrame * decoded_frame
Definition: ffmpeg.h:306
InputFilter::hw_frames_ctx
AVBufferRef * hw_frames_ctx
Definition: ffmpeg.h:254
OptionsContext::nb_bitstream_filters
int nb_bitstream_filters
Definition: ffmpeg.h:172
OptionsContext::top_field_first
SpecifierOpt * top_field_first
Definition: ffmpeg.h:193
InputFilter::channels
int channels
Definition: ffmpeg.h:251
OutputStream::audio_channels_map
int * audio_channels_map
Definition: ffmpeg.h:495
configure_filtergraph
int configure_filtergraph(FilterGraph *fg)
Definition: ffmpeg_filter.c:996
AVRational
Rational number (pair of numerator and denominator).
Definition: rational.h:58
OutputStream::file_index
int file_index
Definition: ffmpeg.h:443
OptionsContext::metadata_global_manual
int metadata_global_manual
Definition: ffmpeg.h:142
OutputStream::rotate_override_value
double rotate_override_value
Definition: ffmpeg.h:482
OutputStream::sync_opts
int64_t sync_opts
Definition: ffmpeg.h:452
OptionsContext::loop
int loop
Definition: ffmpeg.h:119
vstats_filename
char * vstats_filename
Definition: ffmpeg_opt.c:83
InputStream::dec_ctx
AVCodecContext * dec_ctx
Definition: ffmpeg.h:304
OptionsContext::force_fps
SpecifierOpt * force_fps
Definition: ffmpeg.h:181
OutputStream::disposition
char * disposition
Definition: ffmpeg.h:525
filtergraph_is_simple
int filtergraph_is_simple(FilterGraph *fg)
Definition: ffmpeg_filter.c:1208
InputStream::prev_sub
struct InputStream::@24 prev_sub
AVMediaType
AVMediaType
Definition: avutil.h:199
OptionsContext::nb_fix_sub_duration
int nb_fix_sub_duration
Definition: ffmpeg.h:210
OptionsContext::nb_inter_matrices
int nb_inter_matrices
Definition: ffmpeg.h:190
InputFile::nb_streams_warn
int nb_streams_warn
Definition: ffmpeg.h:411
InputStream::decoder_opts
AVDictionary * decoder_opts
Definition: ffmpeg.h:332
OptionsContext::shortest
int shortest
Definition: ffmpeg.h:155
InputStream::autorotate
int autorotate
Definition: ffmpeg.h:337
frame_bits_per_raw_sample
int frame_bits_per_raw_sample
Definition: ffmpeg_opt.c:108
InputFile::ts_offset
int64_t ts_offset
Definition: ffmpeg.h:404
OptionsContext::nb_qscale
int nb_qscale
Definition: ffmpeg.h:178
OutputStream::filters_script
char * filters_script
filtergraph script associated to the -filter_script option
Definition: ffmpeg.h:504
OptionsContext::nb_enc_time_bases
int nb_enc_time_bases
Definition: ffmpeg.h:232
OptionsContext::hwaccel_devices
SpecifierOpt * hwaccel_devices
Definition: ffmpeg.h:130
nb_input_streams
int nb_input_streams
Definition: ffmpeg.c:142
audio_drift_threshold
float audio_drift_threshold
Definition: ffmpeg_opt.c:86
InputStream::hwaccel_output_format
enum AVPixelFormat hwaccel_output_format
Definition: ffmpeg.h:367
OutputStream::filtered_frame
AVFrame * filtered_frame
Definition: ffmpeg.h:469
OptionsContext::nb_autorotate
int nb_autorotate
Definition: ffmpeg.h:135
OptionsContext::nb_audio_channels
int nb_audio_channels
Definition: ffmpeg.h:107
OutputStream::source_index
int source_index
Definition: ffmpeg.h:445
input_streams
InputStream ** input_streams
Definition: ffmpeg.c:141
OutputStream::copy_prior_start
int copy_prior_start
Definition: ffmpeg.h:524
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SpecifierOpt * metadata
Definition: ffmpeg.h:167
progress_avio
AVIOContext * progress_avio
Definition: ffmpeg.c:137
InputStream::nb_filters
int nb_filters
Definition: ffmpeg.h:359
OutputStream::forced_keyframes_pexpr
AVExpr * forced_keyframes_pexpr
Definition: ffmpeg.h:491
InputStream::dts
int64_t dts
dts of the last packet read for this stream (in AV_TIME_BASE units)
Definition: ffmpeg.h:313
OutputStream::forced_kf_count
int forced_kf_count
Definition: ffmpeg.h:488
OptionsContext::nb_intra_matrices
int nb_intra_matrices
Definition: ffmpeg.h:188
OutputStream::finished
OSTFinished finished
Definition: ffmpeg.h:511
OutputStream::forced_keyframes
char * forced_keyframes
Definition: ffmpeg.h:490
OptionsContext::nb_frame_rates
int nb_frame_rates
Definition: ffmpeg.h:111
InputStream::data_size
uint64_t data_size
Definition: ffmpeg.h:380
int_cb
const AVIOInterruptCB int_cb
Definition: ffmpeg.c:475
AVBufferRef
A reference to a data buffer.
Definition: buffer.h:81
InputStream::next_pts
int64_t next_pts
synthetic pts for the next decode frame (in AV_TIME_BASE units)
Definition: ffmpeg.h:315
ost
static AVStream * ost
Definition: vaapi_transcode.c:43
avformat.h
Main libavformat public API header.
int
int
Definition: ffmpeg_filter.c:190
OptionsContext::max_muxing_queue_size
SpecifierOpt * max_muxing_queue_size
Definition: ffmpeg.h:217
FilterGraph::reconfiguration
int reconfiguration
Definition: ffmpeg.h:287
OutputFilter::graph
struct FilterGraph * graph
Definition: ffmpeg.h:262
OutputFile::limit_filesize
uint64_t limit_filesize
Definition: ffmpeg.h:559
options
const OptionDef options[]
Definition: ffmpeg_opt.c:3292
OptionsContext::presets
SpecifierOpt * presets
Definition: ffmpeg.h:197
OptionsContext::program
SpecifierOpt * program
Definition: ffmpeg.h:227
InputStream::reinit_filters
int reinit_filters
Definition: ffmpeg.h:361
OptionsContext::nb_frame_sizes
int nb_frame_sizes
Definition: ffmpeg.h:113
OutputStream::ref_par
AVCodecParameters * ref_par
Definition: ffmpeg.h:466
rational.h
Utilties for rational number calculation.
OptionsContext::g
OptionGroup * g
Definition: ffmpeg.h:96
OptionsContext::inter_matrices
SpecifierOpt * inter_matrices
Definition: ffmpeg.h:189
HWDevice::type
enum AVHWDeviceType type
Definition: ffmpeg.h:76
forced_keyframes_const_names
const char *const forced_keyframes_const_names[]
Definition: ffmpeg.c:114
OutputStream::st
AVStream * st
Definition: muxing.c:54
HWDevice::device_ref
AVBufferRef * device_ref
Definition: ffmpeg.h:77
OptionsContext::forced_key_frames
SpecifierOpt * forced_key_frames
Definition: ffmpeg.h:179
OutputStream::samples_encoded
uint64_t samples_encoded
Definition: ffmpeg.h:536
OptionsContext::attachments
const char ** attachments
Definition: ffmpeg.h:145
OptionsContext::nb_max_muxing_queue_size
int nb_max_muxing_queue_size
Definition: ffmpeg.h:218
OutputStream::last_frame
AVFrame * last_frame
Definition: ffmpeg.h:470
InputFilter::channel_layout
uint64_t channel_layout
Definition: ffmpeg.h:252
copy_ts
int copy_ts
Definition: ffmpeg_opt.c:99
InputFile::ctx
AVFormatContext * ctx
Definition: ffmpeg.h:394
OutputStream::pict_type
int pict_type
Definition: ffmpeg.h:547
hw_device_ctx
AVBufferRef * hw_device_ctx
Definition: ffmpeg_opt.c:80
StreamMap::stream_index
int stream_index
Definition: ffmpeg.h:84
OutputStream::enc
AVCodec * enc
Definition: ffmpeg.h:467
InputStream::subtitle
AVSubtitle subtitle
Definition: ffmpeg.h:343
HWAccel::pix_fmt
enum AVPixelFormat pix_fmt
Definition: ffmpeg.h:71
InputFile::eof_reached
int eof_reached
Definition: ffmpeg.h:395
OptionsContext::nb_metadata_map
int nb_metadata_map
Definition: ffmpeg.h:196
OutputStream::forced_kf_index
int forced_kf_index
Definition: ffmpeg.h:489
OptionsContext::nb_rc_overrides
int nb_rc_overrides
Definition: ffmpeg.h:186
do_deinterlace
int do_deinterlace
Definition: ffmpeg_opt.c:94
OptionsContext::fix_sub_duration
SpecifierOpt * fix_sub_duration
Definition: ffmpeg.h:209
FKF_NB
Definition: ffmpeg.h:430
pixfmt.h
pixel format definitions
AVHWDeviceType
AVHWDeviceType
Definition: hwcontext.h:27
OutputStream::avfilter
char * avfilter
Definition: ffmpeg.h:502
OptionsContext::autorotate
SpecifierOpt * autorotate
Definition: ffmpeg.h:134
hwaccel_decode_init
int hwaccel_decode_init(AVCodecContext *avctx)
Definition: ffmpeg_hw.c:472
InputFilter::name
uint8_t * name
Definition: ffmpeg.h:239
dts_delta_threshold
float dts_delta_threshold
Definition: ffmpeg_opt.c:87
pthread_t
Definition: os2threads.h:40
InputStream::hwaccel_ctx
void * hwaccel_ctx
Definition: ffmpeg.h:370
guess_input_channel_layout
int guess_input_channel_layout(InputStream *ist)
Definition: ffmpeg.c:2069
OutputStream::top_field_first
int top_field_first
Definition: ffmpeg.h:480
FilterGraph::outputs
OutputFilter ** outputs
Definition: ffmpeg.h:291
OptionsContext::max_frames
SpecifierOpt * max_frames
Definition: ffmpeg.h:169
OptionsContext::nb_copy_initial_nonkeyframes
int nb_copy_initial_nonkeyframes
Definition: ffmpeg.h:200
StreamMap::disabled
int disabled
Definition: ffmpeg.h:82
OutputFilter::frame_rate
AVRational frame_rate
Definition: ffmpeg.h:271
OutputFile::ctx
AVFormatContext * ctx
Definition: ffmpeg.h:554
nb_output_files
int nb_output_files
Definition: ffmpeg.c:149
hw_device_init_from_string
int hw_device_init_from_string(const char *arg, HWDevice **dev)
Definition: ffmpeg_hw.c:92
OptionsContext::codec_names
SpecifierOpt * codec_names
Definition: ffmpeg.h:104
show_usage
void show_usage(void)
Definition: ffmpeg_opt.c:3166
OptionsContext::thread_queue_size
int thread_queue_size
Definition: ffmpeg.h:122
AVFilterContext
An instance of a filter.
Definition: avfilter.h:338
InputStream::hwaccel_device
char * hwaccel_device
Definition: ffmpeg.h:366
OutputStream::encoder_opts
AVDictionary * encoder_opts
Definition: ffmpeg.h:506
out
FILE * out
Definition: movenc.c:54
FilterGraph::inputs
InputFilter ** inputs
Definition: ffmpeg.h:289
videotoolbox_pixfmt
char * videotoolbox_pixfmt
Definition: ffmpeg_videotoolbox.c:34
InputStream::hwaccel_retrieved_pix_fmt
enum AVPixelFormat hwaccel_retrieved_pix_fmt
Definition: ffmpeg.h:375
StreamMap::sync_stream_index
int sync_stream_index
Definition: ffmpeg.h:86
OutputFilter::format
int format
Definition: ffmpeg.h:272
copy_tb
int copy_tb
Definition: ffmpeg_opt.c:101
InputStream::min_pts
int64_t min_pts
Definition: ffmpeg.h:321
OutputStream::initialized
int initialized
Definition: ffmpeg.h:518
init_simple_filtergraph
int init_simple_filtergraph(InputStream *ist, OutputStream *ost)
InputStream::discard
int discard
Definition: ffmpeg.h:298
InputStream::hwaccel_id
enum HWAccelID hwaccel_id
Definition: ffmpeg.h:364
OutputStream::first_pts
int64_t first_pts
Definition: ffmpeg.h:455
FilterGraph::nb_inputs
int nb_inputs
Definition: ffmpeg.h:290
OutputStream::index
int index
Definition: ffmpeg.h:444
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
OSTFinished
OSTFinished
Definition: ffmpeg.h:437
OutputFilter::type
enum AVMediaType type
Definition: ffmpeg.h:267
OptionsContext::nb_reinit_filters
int nb_reinit_filters
Definition: ffmpeg.h:208
InputFilter::frame_queue
AVFifoBuffer * frame_queue
Definition: ffmpeg.h:242
debug_ts
int debug_ts
Definition: ffmpeg_opt.c:102
sub2video_update
void sub2video_update(InputStream *ist, AVSubtitle *sub)
Definition: ffmpeg.c:234
OptionsContext::nb_guess_layout_max
int nb_guess_layout_max
Definition: ffmpeg.h:220
term_init
void term_init(void)
Definition: ffmpeg.c:381
OptionsContext::nb_frame_aspect_ratios
int nb_frame_aspect_ratios
Definition: ffmpeg.h:184
hwaccels
const HWAccel hwaccels[]
Definition: ffmpeg_opt.c:68
videotoolbox_init
int videotoolbox_init(AVCodecContext *s)
Definition: ffmpeg_videotoolbox.c:116
a
a
Definition: h264pred_template.c:468
FKF_T
Definition: ffmpeg.h:429
eval.h
simple arithmetic expression evaluator
name
const char * name
Definition: opengl_enc.c:103
OptionsContext::subtitle_disable
int subtitle_disable
Definition: ffmpeg.h:160
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