#include "config.h"
#include <stdatomic.h>
#include <stdint.h>
#include <stdio.h>
#include <signal.h>
#include "cmdutils.h"
#include "sync_queue.h"
#include "libavformat/avformat.h"
#include "libavformat/avio.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/bsf.h"
#include "libavfilter/avfilter.h"
#include "libavutil/avutil.h"
#include "libavutil/dict.h"
#include "libavutil/eval.h"
#include "libavutil/fifo.h"
#include "libavutil/hwcontext.h"
#include "libavutil/pixfmt.h"
#include "libavutil/rational.h"
#include "libavutil/thread.h"
#include "libavutil/threadmessage.h"
#include "libswresample/swresample.h"

Data Structures
struct	HWDevice

struct	StreamMap

struct	AudioChannelMap

struct	DemuxPktData

struct	OptionsContext

struct	InputFilter

struct	OutputFilter

struct	FilterGraph

struct	InputStream

struct	InputStream::sub2video

struct	LastFrameDuration

struct	InputFile

struct	EncStatsComponent

struct	EncStats

struct	KeyframeForceCtx

struct	OutputStream

struct	OutputFile

struct	FrameData

Macros
#define	FFMPEG_OPT_PSNR 1

#define	FFMPEG_OPT_MAP_CHANNEL 1

#define	FFMPEG_OPT_MAP_SYNC 1

#define	FFMPEG_ROTATION_METADATA 1

#define	FFMPEG_OPT_QPHIST 1

#define	FFMPEG_OPT_ADRIFT_THRESHOLD 1

#define	MAX_STREAMS 1024 /* arbitrary sanity check value */

#define	DECODING_FOR_OST 1

#define	DECODING_FOR_FILTER 2

#define	ABORT_ON_FLAG_EMPTY_OUTPUT (1 << 0)

#define	ABORT_ON_FLAG_EMPTY_OUTPUT_STREAM (1 << 1)

#define	SPECIFIER_OPT_FMT_str "%s"

#define	SPECIFIER_OPT_FMT_i "%i"

#define	SPECIFIER_OPT_FMT_i64 "%"PRId64

#define	SPECIFIER_OPT_FMT_ui64 "%"PRIu64

#define	SPECIFIER_OPT_FMT_f "%f"

#define	SPECIFIER_OPT_FMT_dbl "%lf"

#define	WARN_MULTIPLE_OPT_USAGE(name, type, so, st)

#define	MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)

#define	MATCH_PER_TYPE_OPT(name, type, outvar, fmtctx, mediatype)

Enumerations
enum	VideoSyncMethod { VSYNC_AUTO = -1, VSYNC_PASSTHROUGH, VSYNC_CFR, VSYNC_VFR, VSYNC_VSCFR, VSYNC_DROP }

enum	HWAccelID { HWACCEL_NONE = 0, HWACCEL_AUTO, HWACCEL_GENERIC }

enum	forced_keyframes_const { FKF_N, FKF_N_FORCED, FKF_PREV_FORCED_N, FKF_PREV_FORCED_T, FKF_T, FKF_NB }

enum	EncStatsType { ENC_STATS_LITERAL = 0, ENC_STATS_FILE_IDX, ENC_STATS_STREAM_IDX, ENC_STATS_FRAME_NUM, ENC_STATS_FRAME_NUM_IN, ENC_STATS_TIMEBASE, ENC_STATS_TIMEBASE_IN, ENC_STATS_PTS, ENC_STATS_PTS_TIME, ENC_STATS_PTS_IN, ENC_STATS_PTS_TIME_IN, ENC_STATS_DTS, ENC_STATS_DTS_TIME, ENC_STATS_SAMPLE_NUM, ENC_STATS_NB_SAMPLES, ENC_STATS_PKT_SIZE, ENC_STATS_BITRATE, ENC_STATS_AVG_BITRATE }

enum	OSTFinished { ENCODER_FINISHED = 1, MUXER_FINISHED = 2 }

enum	{ KF_FORCE_SOURCE = 1, KF_FORCE_SOURCE_NO_DROP = 2 }

Functions
void	term_init (void)

void	term_exit (void)

void	show_usage (void)

void	remove_avoptions (AVDictionary *a, AVDictionary b)

void	assert_avoptions (AVDictionary *m)

void	assert_file_overwrite (const char *filename)

char *	file_read (const char *filename)

AVDictionary *	strip_specifiers (const AVDictionary *dict)

const AVCodec *	find_codec_or_die (void logctx, const char name, enum AVMediaType type, int encoder)

int	parse_and_set_vsync (const char arg, int vsync_var, int file_idx, int st_idx, int is_global)

int	configure_filtergraph (FilterGraph *fg)

void	check_filter_outputs (void)

int	filtergraph_is_simple (FilterGraph *fg)

int	init_simple_filtergraph (InputStream ist, OutputStream ost)

int	init_complex_filtergraph (FilterGraph *fg)

void	sub2video_update (InputStream ist, int64_t heartbeat_pts, AVSubtitle sub)

int	ifilter_send_frame (InputFilter ifilter, AVFrame frame, int keep_reference)

int	ifilter_send_eof (InputFilter *ifilter, int64_t pts, AVRational tb)

int	ifilter_parameters_from_dec (InputFilter ifilter, const AVCodecContext dec)
	Set up fallback filtering parameters from a decoder context. More...

int	ifilter_has_all_input_formats (FilterGraph *fg)

FilterGraph *	fg_create (char *graph_desc)
	Create a new filtergraph in the global filtergraph list. More...

void	fg_free (FilterGraph **pfg)

int	fg_transcode_step (FilterGraph graph, InputStream *best_ist)
	Perform a step of transcoding for the specified filter graph. More...

int	reap_filters (int flush)
	Get and encode new output from any of the filtergraphs, without causing activity. More...

int	ffmpeg_parse_options (int argc, char **argv)

void	enc_stats_write (OutputStream ost, EncStats es, const AVFrame frame, const AVPacket pkt, uint64_t frame_num)

HWDevice *	hw_device_get_by_name (const char *name)

HWDevice *	hw_device_get_by_type (enum AVHWDeviceType type)

int	hw_device_init_from_string (const char arg, HWDevice *dev)

int	hw_device_init_from_type (enum AVHWDeviceType type, const char device, HWDevice *dev_out)

void	hw_device_free_all (void)

AVBufferRef *	hw_device_for_filter (void)
	Get a hardware device to be used with this filtergraph. More...

int	hwaccel_decode_init (AVCodecContext *avctx)

int	dec_open (InputStream *ist)

void	dec_free (Decoder **pdec)

int	dec_packet (InputStream ist, const AVPacket pkt, int no_eof)
	Submit a packet for decoding. More...

int	enc_alloc (Encoder *penc, const AVCodec codec)

void	enc_free (Encoder **penc)

int	enc_open (OutputStream ost, AVFrame frame)

void	enc_subtitle (OutputFile of, OutputStream ost, AVSubtitle *sub)

void	enc_frame (OutputStream ost, AVFrame frame)

void	enc_flush (void)

int	of_stream_init (OutputFile of, OutputStream ost)

int	of_write_trailer (OutputFile *of)

int	of_open (const OptionsContext o, const char filename)

void	of_close (OutputFile **pof)

void	of_enc_stats_close (void)

void	of_output_packet (OutputFile of, AVPacket pkt, OutputStream *ost, int eof)

void	of_streamcopy (OutputStream ost, const AVPacket pkt, int64_t dts)

int64_t	of_filesize (OutputFile *of)

int	ifile_open (const OptionsContext o, const char filename)

void	ifile_close (InputFile **f)

int	ifile_get_packet (InputFile f, AVPacket *pkt)
	Get next input packet from the demuxer. More...

int	ist_output_add (InputStream ist, OutputStream ost)

int	ist_filter_add (InputStream ist, InputFilter ifilter, int is_simple)

InputStream *	ist_find_unused (enum AVMediaType type)
	Find an unused input stream of given type. More...

InputStream *	ist_iter (InputStream *prev)

OutputStream *	ost_iter (OutputStream *prev)

void	close_output_stream (OutputStream *ost)

int	trigger_fix_sub_duration_heartbeat (OutputStream ost, const AVPacket pkt)

int	process_subtitle (InputStream ist, AVSubtitle subtitle, int *got_output)

void	update_benchmark (const char *fmt,...)

static int	err_merge (int err0, int err1)
	Merge two return codes - return one of the error codes if at least one of them was negative, 0 otherwise. More...

Variables
const char *const	forced_keyframes_const_names []

InputFile **	input_files

int	nb_input_files

OutputFile **	output_files

int	nb_output_files

FilterGraph **	filtergraphs

int	nb_filtergraphs

char *	vstats_filename

char *	sdp_filename

float	dts_delta_threshold

float	dts_error_threshold

enum VideoSyncMethod	video_sync_method

float	frame_drop_threshold

int	do_benchmark

int	do_benchmark_all

int	do_hex_dump

int	do_pkt_dump

int	copy_ts

int	start_at_zero

int	copy_tb

int	debug_ts

int	exit_on_error

int	abort_on_flags

int	print_stats

int64_t	stats_period

int	stdin_interaction

AVIOContext *	progress_avio

float	max_error_rate

char *	filter_nbthreads

int	filter_complex_nbthreads

int	vstats_version

int	auto_conversion_filters

const AVIOInterruptCB	int_cb

const OptionDef	options []

HWDevice *	filter_hw_device

unsigned	nb_output_dumped

int	ignore_unknown_streams

int	copy_unknown_streams

int	recast_media

FILE *	vstats_file

int64_t	nb_frames_dup

int64_t	nb_frames_drop

int	do_psnr

const char *const	opt_name_codec_names []

const char *const	opt_name_codec_tags []

const char *const	opt_name_frame_rates []

const char *const	opt_name_top_field_first []

Macro Definition Documentation

◆ FFMPEG_OPT_PSNR

#define FFMPEG_OPT_PSNR 1

Definition at line 53 of file ffmpeg.h.

◆ FFMPEG_OPT_MAP_CHANNEL

#define FFMPEG_OPT_MAP_CHANNEL 1

Definition at line 54 of file ffmpeg.h.

◆ FFMPEG_OPT_MAP_SYNC

#define FFMPEG_OPT_MAP_SYNC 1

Definition at line 55 of file ffmpeg.h.

◆ FFMPEG_ROTATION_METADATA

#define FFMPEG_ROTATION_METADATA 1

Definition at line 56 of file ffmpeg.h.

◆ FFMPEG_OPT_QPHIST

#define FFMPEG_OPT_QPHIST 1

Definition at line 57 of file ffmpeg.h.

◆ FFMPEG_OPT_ADRIFT_THRESHOLD

#define FFMPEG_OPT_ADRIFT_THRESHOLD 1

Definition at line 58 of file ffmpeg.h.

◆ MAX_STREAMS

#define MAX_STREAMS 1024 /* arbitrary sanity check value */

Definition at line 69 of file ffmpeg.h.

◆ DECODING_FOR_OST

#define DECODING_FOR_OST 1

Definition at line 339 of file ffmpeg.h.

◆ DECODING_FOR_FILTER

#define DECODING_FOR_FILTER 2

Definition at line 340 of file ffmpeg.h.

◆ ABORT_ON_FLAG_EMPTY_OUTPUT

#define ABORT_ON_FLAG_EMPTY_OUTPUT (1 << 0)

Definition at line 462 of file ffmpeg.h.

◆ ABORT_ON_FLAG_EMPTY_OUTPUT_STREAM

#define ABORT_ON_FLAG_EMPTY_OUTPUT_STREAM (1 << 1)

Definition at line 463 of file ffmpeg.h.

◆ SPECIFIER_OPT_FMT_str

#define SPECIFIER_OPT_FMT_str "%s"

Definition at line 909 of file ffmpeg.h.

◆ SPECIFIER_OPT_FMT_i

#define SPECIFIER_OPT_FMT_i "%i"

Definition at line 910 of file ffmpeg.h.

◆ SPECIFIER_OPT_FMT_i64

#define SPECIFIER_OPT_FMT_i64 "%"PRId64

Definition at line 911 of file ffmpeg.h.

◆ SPECIFIER_OPT_FMT_ui64

#define SPECIFIER_OPT_FMT_ui64 "%"PRIu64

Definition at line 912 of file ffmpeg.h.

◆ SPECIFIER_OPT_FMT_f

#define SPECIFIER_OPT_FMT_f "%f"

Definition at line 913 of file ffmpeg.h.

◆ SPECIFIER_OPT_FMT_dbl

#define SPECIFIER_OPT_FMT_dbl "%lf"

Definition at line 914 of file ffmpeg.h.

◆ WARN_MULTIPLE_OPT_USAGE

#define WARN_MULTIPLE_OPT_USAGE	(	name,
		type,
		so,
		st
	)

Value:

{\
    char namestr[128] = "";\
    const char *spec = so->specifier && so->specifier[0] ? so->specifier : "";\
    for (int _i = 0; opt_name_##name[_i]; _i++)\
        av_strlcatf(namestr, sizeof(namestr), "-%s%s", opt_name_##name[_i], opt_name_##name[_i+1] ? (opt_name_##name[_i+2] ? ", " : " or ") : "");\
    av_log(NULL, AV_LOG_WARNING, "Multiple %s options specified for stream %d, only the last option '-%s%s%s "SPECIFIER_OPT_FMT_##type"' will be used.\n",\
           namestr, st->index, opt_name_##name[0], spec[0] ? ":" : "", spec, so->u.type);\
}

Definition at line 916 of file ffmpeg.h.

◆ MATCH_PER_STREAM_OPT

#define MATCH_PER_STREAM_OPT	(	name,
		type,
		outvar,
		fmtctx,
		st
	)

Value:

{\
    int _ret, _matches = 0;\
    SpecifierOpt *so;\
    for (int _i = 0; _i < o->nb_ ## name; _i++) {\
        char *spec = o->name[_i].specifier;\
        if ((_ret = check_stream_specifier(fmtctx, st, spec)) > 0) {\
            outvar = o->name[_i].u.type;\
            so = &o->name[_i];\
            _matches++;\
        } else if (_ret < 0)\
            exit_program(1);\
    }\
    if (_matches > 1)\
       WARN_MULTIPLE_OPT_USAGE(name, type, so, st);\
}

Definition at line 926 of file ffmpeg.h.

◆ MATCH_PER_TYPE_OPT

#define MATCH_PER_TYPE_OPT	(	name,
		type,
		outvar,
		fmtctx,
		mediatype
	)

Value:

{\
    int i;\
    for (i = 0; i < o->nb_ ## name; i++) {\
        char *spec = o->name[i].specifier;\
        if (!strcmp(spec, mediatype))\
            outvar = o->name[i].u.type;\
    }\
}

Definition at line 943 of file ffmpeg.h.

Enumeration Type Documentation

◆ VideoSyncMethod

enum VideoSyncMethod

Enumerator
VSYNC_AUTO
VSYNC_PASSTHROUGH
VSYNC_CFR
VSYNC_VFR
VSYNC_VSCFR
VSYNC_DROP

Definition at line 60 of file ffmpeg.h.

◆ HWAccelID

enum HWAccelID

Enumerator
HWACCEL_NONE
HWACCEL_AUTO
HWACCEL_GENERIC

Definition at line 71 of file ffmpeg.h.

◆ forced_keyframes_const

enum forced_keyframes_const

Enumerator
FKF_N
FKF_N_FORCED
FKF_PREV_FORCED_N
FKF_PREV_FORCED_T
FKF_T
FKF_NB

Definition at line 453 of file ffmpeg.h.

◆ EncStatsType

enum EncStatsType

Enumerator
ENC_STATS_LITERAL
ENC_STATS_FILE_IDX
ENC_STATS_STREAM_IDX
ENC_STATS_FRAME_NUM
ENC_STATS_FRAME_NUM_IN
ENC_STATS_TIMEBASE
ENC_STATS_TIMEBASE_IN
ENC_STATS_PTS
ENC_STATS_PTS_TIME
ENC_STATS_PTS_IN
ENC_STATS_PTS_TIME_IN
ENC_STATS_DTS
ENC_STATS_DTS_TIME
ENC_STATS_SAMPLE_NUM
ENC_STATS_NB_SAMPLES
ENC_STATS_PKT_SIZE
ENC_STATS_BITRATE
ENC_STATS_AVG_BITRATE

Definition at line 465 of file ffmpeg.h.

◆ OSTFinished

enum OSTFinished

Enumerator
ENCODER_FINISHED
MUXER_FINISHED

Definition at line 502 of file ffmpeg.h.

◆ anonymous enum

anonymous enum

Enumerator
KF_FORCE_SOURCE
KF_FORCE_SOURCE_NO_DROP

Definition at line 507 of file ffmpeg.h.

Function Documentation

◆ term_init()

void term_init ( void )

Definition at line 366 of file ffmpeg.c.

Referenced by assert_file_overwrite().

◆ term_exit()

void term_exit ( void )

Definition at line 296 of file ffmpeg.c.

Referenced by assert_file_overwrite(), ffmpeg_cleanup(), and transcode().

◆ show_usage()

void show_usage ( void )

Definition at line 1201 of file ffmpeg_opt.c.

Referenced by main(), and show_help_default().

◆ remove_avoptions()

void remove_avoptions	(	AVDictionary **	a,
		AVDictionary *	b
	)

Definition at line 555 of file ffmpeg.c.

Referenced by ifile_open().

◆ assert_avoptions()

void assert_avoptions ( AVDictionary * m )

Definition at line 564 of file ffmpeg.c.

Referenced by dec_open(), enc_open(), and ifile_open().

◆ assert_file_overwrite()

void assert_file_overwrite ( const char * filename )

Definition at line 655 of file ffmpeg_opt.c.

Referenced by dump_attachment(), and of_open().

◆ file_read()

char* file_read ( const char * filename )

Definition at line 699 of file ffmpeg_opt.c.

Referenced by filter_opt_apply(), new_stream_video(), opt_filter_complex_script(), and ost_get_filters().

◆ strip_specifiers()

AVDictionary* strip_specifiers ( const AVDictionary * dict )

Definition at line 166 of file ffmpeg_opt.c.

Referenced by ifile_open(), and validate_enc_avopt().

◆ find_codec_or_die()

const AVCodec* find_codec_or_die	(	void *	logctx,
		const char *	name,
		enum AVMediaType	type,
		int	encoder
	)

Definition at line 625 of file ffmpeg_opt.c.

Referenced by choose_decoder(), choose_encoder(), and ifile_open().

◆ parse_and_set_vsync()

int parse_and_set_vsync	(	const char *	arg,
		int *	vsync_var,
		int	file_idx,
		int	st_idx,
		int	is_global
	)

Definition at line 183 of file ffmpeg_opt.c.

Referenced by new_stream_video(), and opt_vsync().

◆ configure_filtergraph()

int configure_filtergraph ( FilterGraph * fg )

Definition at line 1254 of file ffmpeg_filter.c.

Referenced by enc_flush(), fg_transcode_step(), ifilter_send_eof(), and ifilter_send_frame().

◆ check_filter_outputs()

void check_filter_outputs ( void )

Definition at line 960 of file ffmpeg_filter.c.

◆ filtergraph_is_simple()

int filtergraph_is_simple ( FilterGraph * fg )

Definition at line 1474 of file ffmpeg_filter.c.

Referenced by configure_filtergraph(), and print_stream_maps().

◆ init_simple_filtergraph()

int init_simple_filtergraph	(	InputStream *	ist,
		OutputStream *	ost
	)

Definition at line 353 of file ffmpeg_filter.c.

Referenced by ost_add().

◆ init_complex_filtergraph()

int init_complex_filtergraph ( FilterGraph * fg )

Definition at line 633 of file ffmpeg_filter.c.

Referenced by init_complex_filters().

◆ sub2video_update()

void sub2video_update	(	InputStream *	ist,
		int64_t	heartbeat_pts,
		AVSubtitle *	sub
	)

Definition at line 214 of file ffmpeg.c.

Referenced by configure_filtergraph(), process_subtitle(), sub2video_flush(), and sub2video_heartbeat().

◆ ifilter_send_frame()

int ifilter_send_frame	(	InputFilter *	ifilter,
		AVFrame *	frame,
		int	keep_reference
	)

Definition at line 1585 of file ffmpeg_filter.c.

Referenced by send_frame_to_filters().

◆ ifilter_send_eof()

int ifilter_send_eof	(	InputFilter *	ifilter,
		int64_t	pts,
		AVRational	tb
	)

Definition at line 1535 of file ffmpeg_filter.c.

Referenced by send_filter_eof().

◆ ifilter_parameters_from_dec()

int ifilter_parameters_from_dec	(	InputFilter *	ifilter,
		const AVCodecContext *	dec
	)

Set up fallback filtering parameters from a decoder context.

They will only be used if no frames are ever sent on this input, otherwise the actual parameters are taken from the frame.

Definition at line 1409 of file ffmpeg_filter.c.

Referenced by ist_filter_add().

◆ ifilter_has_all_input_formats()

int ifilter_has_all_input_formats ( FilterGraph * fg )

Definition at line 1462 of file ffmpeg_filter.c.

Referenced by enc_flush(), fg_transcode_step(), ifilter_send_eof(), and ifilter_send_frame().

◆ fg_create()

FilterGraph* fg_create ( char * graph_desc )

Create a new filtergraph in the global filtergraph list.

Parameters

graph_desc Graph description; an av_malloc()ed string, filtergraph takes ownership of it.

Definition at line 338 of file ffmpeg_filter.c.

Referenced by init_simple_filtergraph(), opt_filter_complex(), and opt_filter_complex_script().

◆ fg_free()

void fg_free ( FilterGraph ** pfg )

Definition at line 285 of file ffmpeg_filter.c.

Referenced by ffmpeg_cleanup().

◆ fg_transcode_step()

int fg_transcode_step	(	FilterGraph *	graph,
		InputStream **	best_ist
	)

Perform a step of transcoding for the specified filter graph.

Parameters

[in]	graph	filter graph to consider
[out]	best_ist	input stream where a frame would allow to continue

Returns: 0 for success, <0 for error

Definition at line 1682 of file ffmpeg_filter.c.

Referenced by transcode_step().

◆ reap_filters()

int reap_filters ( int flush )

Get and encode new output from any of the filtergraphs, without causing activity.

Returns: 0 for success, <0 for severe errors

Definition at line 1480 of file ffmpeg_filter.c.

Referenced by fg_transcode_step(), ifilter_send_frame(), and transcode_step().

◆ ffmpeg_parse_options()

int ffmpeg_parse_options	(	int	argc,
		char **	argv
	)

Referenced by main().

◆ enc_stats_write()

void enc_stats_write	(	OutputStream *	ost,
		EncStats *	es,
		const AVFrame *	frame,
		const AVPacket *	pkt,
		uint64_t	frame_num
	)

Definition at line 556 of file ffmpeg_enc.c.

Referenced by encode_frame(), and write_packet().

◆ hw_device_get_by_name()

HWDevice* hw_device_get_by_name ( const char * name )

Definition at line 44 of file ffmpeg_hw.c.

Referenced by hw_device_default_name(), hw_device_init_from_string(), hw_device_setup_for_decode(), and opt_filter_hw_device().

◆ hw_device_get_by_type()

HWDevice* hw_device_get_by_type ( enum AVHWDeviceType type )

Definition at line 30 of file ffmpeg_hw.c.

Referenced by hw_device_match_by_codec(), hw_device_setup_for_decode(), and hw_device_setup_for_encode().

◆ hw_device_init_from_string()

int hw_device_init_from_string	(	const char *	arg,
		HWDevice **	dev
	)

Definition at line 94 of file ffmpeg_hw.c.

Referenced by opt_init_hw_device().

◆ hw_device_init_from_type()

int hw_device_init_from_type	(	enum AVHWDeviceType	type,
		const char *	device,
		HWDevice **	dev_out
	)

Definition at line 245 of file ffmpeg_hw.c.

Referenced by hw_device_setup_for_decode().

◆ hw_device_free_all()

void hw_device_free_all ( void )

Definition at line 288 of file ffmpeg_hw.c.

Referenced by ffmpeg_cleanup().

◆ hw_device_for_filter()

AVBufferRef* hw_device_for_filter ( void )

Get a hardware device to be used with this filtergraph.

The returned reference is owned by the callee, the caller must ref it explicitly for long-term use.

Definition at line 351 of file ffmpeg_hw.c.

Referenced by configure_filtergraph().

◆ hwaccel_decode_init()

int hwaccel_decode_init ( AVCodecContext * avctx )

Definition at line 342 of file ffmpeg_hw.c.

Referenced by get_format().

◆ dec_open()

int dec_open ( InputStream * ist )

Definition at line 744 of file ffmpeg_dec.c.

Referenced by ist_use().

◆ dec_free()

void dec_free ( Decoder ** pdec )

Definition at line 48 of file ffmpeg_dec.c.

Referenced by dec_alloc(), and ist_free().

◆ dec_packet()

int dec_packet	(	InputStream *	ist,
		const AVPacket *	pkt,
		int	no_eof
	)

Submit a packet for decoding.

When pkt==NULL and no_eof=0, there will be no more input. Flush decoders and mark all downstreams as finished.

When pkt==NULL and no_eof=1, the stream was reset (e.g. after a seek). Flush decoders and await further input.

Definition at line 436 of file ffmpeg_dec.c.

Referenced by process_input_packet().

◆ enc_alloc()

int enc_alloc	(	Encoder **	penc,
		const AVCodec *	codec
	)

Definition at line 82 of file ffmpeg_enc.c.

Referenced by ost_add().

◆ enc_free()

void enc_free ( Encoder ** penc )

Definition at line 69 of file ffmpeg_enc.c.

Referenced by enc_alloc(), and ost_free().

◆ enc_open()

int enc_open	(	OutputStream *	ost,
		AVFrame *	frame
	)

Definition at line 203 of file ffmpeg_enc.c.

Referenced by enc_flush(), enc_frame(), and init_output_stream_nofilter().

◆ enc_subtitle()

void enc_subtitle	(	OutputFile *	of,
		OutputStream *	ost,
		AVSubtitle *	sub
	)

Definition at line 473 of file ffmpeg_enc.c.

Referenced by process_subtitle().

◆ enc_frame()

void enc_frame	(	OutputStream *	ost,
		AVFrame *	frame
	)

Definition at line 1137 of file ffmpeg_enc.c.

Referenced by reap_filters(), and submit_encode_frame().

◆ enc_flush()

void enc_flush ( void )

Definition at line 1150 of file ffmpeg_enc.c.

Referenced by transcode().

◆ of_stream_init()

int of_stream_init	(	OutputFile *	of,
		OutputStream *	ost
	)

Definition at line 657 of file ffmpeg_mux.c.

Referenced by enc_open(), and init_output_stream_nofilter().

◆ of_write_trailer()

int of_write_trailer ( OutputFile * of )

Definition at line 780 of file ffmpeg_mux.c.

Referenced by transcode().

◆ of_open()

int of_open	(	const OptionsContext *	o,
		const char *	filename
	)

Definition at line 2364 of file ffmpeg_mux_init.c.

◆ of_close()

void of_close ( OutputFile ** pof )

Definition at line 901 of file ffmpeg_mux.c.

Referenced by ffmpeg_cleanup().

◆ of_enc_stats_close()

void of_enc_stats_close ( void )

Definition at line 230 of file ffmpeg_mux_init.c.

Referenced by ffmpeg_cleanup().

◆ of_output_packet()

void of_output_packet	(	OutputFile *	of,
		AVPacket *	pkt,
		OutputStream *	ost,
		int	eof
	)

Definition at line 327 of file ffmpeg_mux.c.

Referenced by enc_flush(), enc_subtitle(), encode_frame(), of_streamcopy(), and process_input().

◆ of_streamcopy()

void of_streamcopy	(	OutputStream *	ost,
		const AVPacket *	pkt,
		int64_t	dts
	)

Parameters

dts	predicted packet dts in AV_TIME_BASE_Q

Definition at line 380 of file ffmpeg_mux.c.

Referenced by process_input_packet().

◆ of_filesize()

int64_t of_filesize ( OutputFile * of )

Definition at line 928 of file ffmpeg_mux.c.

Referenced by mux_final_stats(), and print_report().

◆ ifile_open()

int ifile_open	(	const OptionsContext *	o,
		const char *	filename
	)

Definition at line 1311 of file ffmpeg_demux.c.

◆ ifile_close()

void ifile_close ( InputFile ** f )

Definition at line 831 of file ffmpeg_demux.c.

Referenced by ffmpeg_cleanup().

◆ ifile_get_packet()

int ifile_get_packet	(	InputFile *	f,
		AVPacket **	pkt
	)

Get next input packet from the demuxer.

Parameters

pkt	the packet is written here when this function returns 0

Returns

0 when a packet has been read successfully
1 when stream end was reached, but the stream is looped; caller should flush decoders and read from this demuxer again
a negative error code on failure

Definition at line 745 of file ffmpeg_demux.c.

Referenced by process_input().