ffmpeg.h File Reference

#include "config.h"
#include <stdatomic.h>
#include <stdint.h>
#include <stdio.h>
#include <signal.h>
#include "cmdutils.h"
#include "ffmpeg_sched.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"

Go to the source code of this file.

Data Structures
struct	HWDevice
struct	StreamMap
struct	OptionsContext
struct	InputFilterOptions
struct	InputFilter
struct	OutputFilter
struct	FilterGraph
struct	DecoderOpts
struct	Decoder
struct	InputStream
struct	InputFile
struct	EncStatsComponent
struct	EncStats
struct	KeyframeForceCtx
struct	OutputStream
struct	OutputFile
struct	FrameData

Macros
#define	FFMPEG_OPT_QPHIST   1
#define	FFMPEG_OPT_ADRIFT_THRESHOLD   1
#define	FFMPEG_OPT_ENC_TIME_BASE_NUM   1
#define	FFMPEG_OPT_TOP   1
#define	FFMPEG_OPT_FORCE_KF_SOURCE_NO_DROP   1
#define	FFMPEG_OPT_VSYNC_DROP   1
#define	FFMPEG_OPT_VSYNC   1
#define	FFMPEG_OPT_FILTER_SCRIPT   1
#define	FFMPEG_ERROR_RATE_EXCEEDED   FFERRTAG('E', 'R', 'E', 'D')
#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(optname, type, idx, st)
#define	MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)

Enumerations
enum	VideoSyncMethod {   VSYNC_AUTO = -1, VSYNC_PASSTHROUGH, VSYNC_CFR, VSYNC_VFR,   VSYNC_VSCFR, VSYNC_DROP }
enum	EncTimeBase { ENC_TIME_BASE_DEMUX = -1, ENC_TIME_BASE_FILTER = -2 }
enum	HWAccelID { HWACCEL_NONE = 0, HWACCEL_AUTO, HWACCEL_GENERIC }
enum	FrameOpaque { FRAME_OPAQUE_SUB_HEARTBEAT = 1, FRAME_OPAQUE_EOF, FRAME_OPAQUE_SEND_COMMAND }
enum	PacketOpaque { PKT_OPAQUE_SUB_HEARTBEAT = 1, PKT_OPAQUE_FIX_SUB_DURATION }
enum	LatencyProbe {   LATENCY_PROBE_DEMUX, LATENCY_PROBE_DEC_PRE, LATENCY_PROBE_DEC_POST, LATENCY_PROBE_FILTER_PRE,   LATENCY_PROBE_FILTER_POST, LATENCY_PROBE_ENC_PRE, LATENCY_PROBE_ENC_POST, LATENCY_PROBE_NB }
enum	IFilterFlags { IFILTER_FLAG_AUTOROTATE = (1 << 0), IFILTER_FLAG_REINIT = (1 << 1), IFILTER_FLAG_CFR = (1 << 2) }
enum	DecoderFlags {   DECODER_FLAG_FIX_SUB_DURATION = (1 << 0), DECODER_FLAG_TS_UNRELIABLE = (1 << 1), DECODER_FLAG_FRAMERATE_FORCED = (1 << 2), DECODER_FLAG_TOP_FIELD_FIRST = (1 << 3),   DECODER_FLAG_SEND_END_TS = (1 << 4) }
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, ENC_STATS_KEYFRAME }
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)
int	check_avoptions (AVDictionary *m)
int	assert_file_overwrite (const char *filename)
AVDictionary *	strip_specifiers (const AVDictionary *dict)
int	find_codec (void *logctx, const char *name, enum AVMediaType type, int encoder, const AVCodec **codec)
int	parse_and_set_vsync (const char *arg, int *vsync_var, int file_idx, int st_idx, int is_global)
int	filtergraph_is_simple (const FilterGraph *fg)
int	init_simple_filtergraph (InputStream *ist, OutputStream *ost, char *graph_desc, Scheduler *sch, unsigned sch_idx_enc)
int	fg_finalise_bindings (FilterGraph *fg)
FrameData *	frame_data (AVFrame *frame)
	Get our axiliary frame data attached to the frame, allocating it if needed. More...
const FrameData *	frame_data_c (AVFrame *frame)
FrameData *	packet_data (AVPacket *pkt)
const FrameData *	packet_data_c (AVPacket *pkt)
int	ofilter_bind_ost (OutputFilter *ofilter, OutputStream *ost, unsigned sched_idx_enc)
int	fg_create (FilterGraph **pfg, char *graph_desc, Scheduler *sch)
	Create a new filtergraph in the global filtergraph list. More...
void	fg_free (FilterGraph **pfg)
void	fg_send_command (FilterGraph *fg, double time, const char *target, const char *command, const char *arg, int all_filters)
int	ffmpeg_parse_options (int argc, char **argv, Scheduler *sch)
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	dec_create (const OptionsContext *o, const char *arg, Scheduler *sch)
	Create a standalone decoder. More...
int	dec_init (Decoder **pdec, Scheduler *sch, AVDictionary **dec_opts, const DecoderOpts *o, AVFrame *param_out)
void	dec_free (Decoder **pdec)
int	dec_filter_add (Decoder *dec, InputFilter *ifilter, InputFilterOptions *opts)
int	enc_alloc (Encoder **penc, const AVCodec *codec, Scheduler *sch, unsigned sch_idx)
void	enc_free (Encoder **penc)
int	enc_open (void *opaque, const AVFrame *frame)
int	enc_loopback (Encoder *enc)
int	of_stream_init (OutputFile *of, OutputStream *ost)
int	of_write_trailer (OutputFile *of)
int	of_open (const OptionsContext *o, const char *filename, Scheduler *sch)
void	of_free (OutputFile **pof)
void	of_enc_stats_close (void)
int64_t	of_filesize (OutputFile *of)
int	ifile_open (const OptionsContext *o, const char *filename, Scheduler *sch)
void	ifile_close (InputFile **f)
int	ist_output_add (InputStream *ist, OutputStream *ost)
int	ist_filter_add (InputStream *ist, InputFilter *ifilter, int is_simple, InputFilterOptions *opts)
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	update_benchmark (const char *fmt,...)
const char *	opt_match_per_type_str (const SpecifierOptList *sol, char mediatype)
int	muxer_thread (void *arg)
int	encoder_thread (void *arg)

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
Decoder **	decoders
int	nb_decoders
char *	vstats_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
atomic_uint	nb_output_dumped
int	ignore_unknown_streams
int	copy_unknown_streams
int	recast_media
FILE *	vstats_file

Macro Definition Documentation

FFMPEG_OPT_QPHIST

#define FFMPEG_OPT_QPHIST   1

Definition at line 54 of file ffmpeg.h.

FFMPEG_OPT_ADRIFT_THRESHOLD

#define FFMPEG_OPT_ADRIFT_THRESHOLD   1

Definition at line 55 of file ffmpeg.h.

FFMPEG_OPT_ENC_TIME_BASE_NUM

#define FFMPEG_OPT_ENC_TIME_BASE_NUM   1

Definition at line 56 of file ffmpeg.h.

FFMPEG_OPT_TOP

#define FFMPEG_OPT_TOP   1

Definition at line 57 of file ffmpeg.h.

FFMPEG_OPT_FORCE_KF_SOURCE_NO_DROP

#define FFMPEG_OPT_FORCE_KF_SOURCE_NO_DROP   1

Definition at line 58 of file ffmpeg.h.

FFMPEG_OPT_VSYNC_DROP

#define FFMPEG_OPT_VSYNC_DROP   1

Definition at line 59 of file ffmpeg.h.

FFMPEG_OPT_VSYNC

#define FFMPEG_OPT_VSYNC   1

Definition at line 60 of file ffmpeg.h.

FFMPEG_OPT_FILTER_SCRIPT

#define FFMPEG_OPT_FILTER_SCRIPT   1

Definition at line 61 of file ffmpeg.h.

FFMPEG_ERROR_RATE_EXCEEDED

#define FFMPEG_ERROR_RATE_EXCEEDED   FFERRTAG('E', 'R', 'E', 'D')

Definition at line 63 of file ffmpeg.h.

ABORT_ON_FLAG_EMPTY_OUTPUT

#define ABORT_ON_FLAG_EMPTY_OUTPUT   (1 << 0)

Definition at line 421 of file ffmpeg.h.

ABORT_ON_FLAG_EMPTY_OUTPUT_STREAM

#define ABORT_ON_FLAG_EMPTY_OUTPUT_STREAM   (1 << 1)

Definition at line 422 of file ffmpeg.h.

SPECIFIER_OPT_FMT_str

#define SPECIFIER_OPT_FMT_str   "%s"

Definition at line 809 of file ffmpeg.h.

SPECIFIER_OPT_FMT_i

#define SPECIFIER_OPT_FMT_i   "%i"

Definition at line 810 of file ffmpeg.h.

SPECIFIER_OPT_FMT_i64

#define SPECIFIER_OPT_FMT_i64   "%"PRId64

Definition at line 811 of file ffmpeg.h.

SPECIFIER_OPT_FMT_ui64

#define SPECIFIER_OPT_FMT_ui64   "%"PRIu64

Definition at line 812 of file ffmpeg.h.

SPECIFIER_OPT_FMT_f

#define SPECIFIER_OPT_FMT_f   "%f"

Definition at line 813 of file ffmpeg.h.

SPECIFIER_OPT_FMT_dbl

#define SPECIFIER_OPT_FMT_dbl   "%lf"

Definition at line 814 of file ffmpeg.h.

WARN_MULTIPLE_OPT_USAGE

#define WARN_MULTIPLE_OPT_USAGE	(		optname,
			type,
			idx,
			st
	)

Value:

{\
    char namestr[128] = "";\
    const SpecifierOpt *so = &o->optname.opt[idx];\
    const char *spec = so->specifier && so->specifier[0] ? so->specifier : "";\
    snprintf(namestr, sizeof(namestr), "-%s", o->optname.opt_canon->name);\
    if (o->optname.opt_canon->flags & OPT_HAS_ALT) {\
        const char * const *names_alt = o->optname.opt_canon->u1.names_alt;\
        for (int _i = 0; names_alt[_i]; _i++)\
            av_strlcatf(namestr, sizeof(namestr), "/-%s", names_alt[_i]);\
    }\
    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, o->optname.opt_canon->name, spec[0] ? ":" : "", spec, so->u.type);\
}

Definition at line 816 of file ffmpeg.h.

MATCH_PER_STREAM_OPT

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

Value:

{\
    int _ret, _matches = 0, _match_idx;\
    for (int _i = 0; _i < o->name.nb_opt; _i++) {\
        char *spec = o->name.opt[_i].specifier;\
        if ((_ret = check_stream_specifier(fmtctx, st, spec)) > 0) {\
            outvar = o->name.opt[_i].u.type;\
            _match_idx = _i;\
            _matches++;\
        } else if (_ret < 0)\
            return _ret;\
    }\
    if (_matches > 1 && o->name.opt_canon)\
       WARN_MULTIPLE_OPT_USAGE(name, type, _match_idx, st);\
}

Definition at line 831 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 65 of file ffmpeg.h.

EncTimeBase

enum EncTimeBase

Enumerator
ENC_TIME_BASE_DEMUX
ENC_TIME_BASE_FILTER

Definition at line 76 of file ffmpeg.h.

HWAccelID

enum HWAccelID

Enumerator
HWACCEL_NONE
HWACCEL_AUTO
HWACCEL_GENERIC

Definition at line 81 of file ffmpeg.h.

FrameOpaque

enum FrameOpaque

Enumerator
FRAME_OPAQUE_SUB_HEARTBEAT
FRAME_OPAQUE_EOF
FRAME_OPAQUE_SEND_COMMAND

Definition at line 87 of file ffmpeg.h.

PacketOpaque

enum PacketOpaque

Enumerator
PKT_OPAQUE_SUB_HEARTBEAT
PKT_OPAQUE_FIX_SUB_DURATION

Definition at line 93 of file ffmpeg.h.

LatencyProbe

enum LatencyProbe

Enumerator
LATENCY_PROBE_DEMUX
LATENCY_PROBE_DEC_PRE
LATENCY_PROBE_DEC_POST
LATENCY_PROBE_FILTER_PRE
LATENCY_PROBE_FILTER_POST
LATENCY_PROBE_ENC_PRE
LATENCY_PROBE_ENC_POST
LATENCY_PROBE_NB

Definition at line 98 of file ffmpeg.h.

IFilterFlags

enum IFilterFlags

Enumerator
IFILTER_FLAG_AUTOROTATE
IFILTER_FLAG_REINIT
IFILTER_FLAG_CFR

Definition at line 238 of file ffmpeg.h.

DecoderFlags

enum DecoderFlags

Enumerator
DECODER_FLAG_FIX_SUB_DURATION
DECODER_FLAG_TS_UNRELIABLE
DECODER_FLAG_FRAMERATE_FORCED
DECODER_FLAG_TOP_FIELD_FIRST
DECODER_FLAG_SEND_END_TS

Definition at line 296 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 412 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
ENC_STATS_KEYFRAME

Definition at line 424 of file ffmpeg.h.

OSTFinished

enum OSTFinished

Enumerator
ENCODER_FINISHED
MUXER_FINISHED

Definition at line 465 of file ffmpeg.h.

anonymous enum

anonymous enum

Enumerator
KF_FORCE_SOURCE
KF_FORCE_SOURCE_NO_DROP

Definition at line 470 of file ffmpeg.h.

Function Documentation

term_init()

void term_init

(

void

)

Definition at line 222 of file ffmpeg.c.

Referenced by assert_file_overwrite().

term_exit()

void term_exit

(

void

)

Definition at line 152 of file ffmpeg.c.

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

show_usage()

void show_usage

(

void

)

Definition at line 1172 of file ffmpeg_opt.c.

Referenced by main(), and show_help_default().

remove_avoptions()

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

Definition at line 498 of file ffmpeg.c.

Referenced by ifile_open().

check_avoptions()

int check_avoptions

(

AVDictionary *

m

)

Definition at line 507 of file ffmpeg.c.

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

assert_file_overwrite()

int assert_file_overwrite

(

const char *

filename

)

Definition at line 614 of file ffmpeg_opt.c.

Referenced by dump_attachment(), and of_open().

strip_specifiers()

AVDictionary* strip_specifiers

(

const AVDictionary *

dict

)

Definition at line 162 of file ffmpeg_opt.c.

Referenced by ifile_open(), and validate_enc_avopt().

find_codec()

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

Definition at line 581 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 192 of file ffmpeg_opt.c.

Referenced by new_stream_video(), and opt_vsync().

filtergraph_is_simple()

int filtergraph_is_simple

(

const FilterGraph *

fg

)

Definition at line 1873 of file ffmpeg_filter.c.

Referenced by configure_filtergraph(), fg_thread_set_name(), ifilter_bind_ist(), and print_stream_maps().

init_simple_filtergraph()

int init_simple_filtergraph	(	InputStream *	ist,
		OutputStream *	ost,
		char *	graph_desc,
		Scheduler *	sch,
		unsigned	sch_idx_enc
	)

Definition at line 1080 of file ffmpeg_filter.c.

Referenced by ost_add().

fg_finalise_bindings()

int fg_finalise_bindings

(

FilterGraph *

fg

)

Definition at line 1205 of file ffmpeg_filter.c.

frame_data()

FrameData* frame_data

(

AVFrame *

frame

)

Get our axiliary frame data attached to the frame, allocating it if needed.

Definition at line 474 of file ffmpeg.c.

Referenced by close_output(), dwt_plane(), encode_frame(), fg_output_step(), generate_raw_frame(), nvenc_retrieve_frame_data(), nvenc_store_frame_data(), packet_decode(), and send_frame().

frame_data_c()

const FrameData* frame_data_c

(

AVFrame *

frame

)

Definition at line 480 of file ffmpeg.c.

Referenced by choose_out_timebase().

packet_data()

FrameData* packet_data

(

AVPacket *

pkt

)

Definition at line 486 of file ffmpeg.c.

Referenced by encode_frame(), input_packet_process(), and packet_decode().

packet_data_c()

const FrameData* packet_data_c

(

AVPacket *

pkt

)

Definition at line 492 of file ffmpeg.c.

ofilter_bind_ost()

int ofilter_bind_ost	(	OutputFilter *	ofilter,
		OutputStream *	ost,
		unsigned	sched_idx_enc
	)

Definition at line 765 of file ffmpeg_filter.c.

Referenced by init_simple_filtergraph(), and ost_add().

fg_create()

int fg_create	(	FilterGraph **	pfg,
		char *	graph_desc,
		Scheduler *	sch
	)

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 957 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 892 of file ffmpeg_filter.c.

Referenced by ffmpeg_cleanup().

fg_send_command()

void fg_send_command	(	FilterGraph *	fg,
		double	time,
		const char *	target,
		const char *	command,
		const char *	arg,
		int	all_filters
	)

Definition at line 2878 of file ffmpeg_filter.c.

Referenced by check_keyboard_interaction().

ffmpeg_parse_options()

int ffmpeg_parse_options	(	int	argc,
		char **	argv,
		Scheduler *	sch
	)

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 495 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 300 of file ffmpeg_hw.c.

Referenced by configure_filtergraph().

dec_create()

int dec_create	(	const OptionsContext *	o,
		const char *	arg,
		Scheduler *	sch
	)

Create a standalone decoder.

Definition at line 1278 of file ffmpeg_dec.c.

dec_init()

int dec_init	(	Decoder **	pdec,
		Scheduler *	sch,
		AVDictionary **	dec_opts,
		const DecoderOpts *	o,
		AVFrame *	param_out
	)

Parameters

dec_opts	Dictionary filled with decoder options. Its ownership is transferred to the decoder.
param_out	If non-NULL, media properties after opening the decoder are written here.

Return values

>=0	non-negative scheduler index on success
<0	an error code on failure

Definition at line 1253 of file ffmpeg_dec.c.

Referenced by ist_use().

dec_free()

void dec_free

(

Decoder **

pdec

)

Definition at line 98 of file ffmpeg_dec.c.

Referenced by dec_alloc(), dec_create(), dec_init(), ffmpeg_cleanup(), and ist_free().

dec_filter_add()

int dec_filter_add	(	Decoder *	dec,
		InputFilter *	ifilter,
		InputFilterOptions *	opts
	)

Definition at line 1350 of file ffmpeg_dec.c.

Referenced by ifilter_bind_dec().

enc_alloc()

int enc_alloc	(	Encoder **	penc,
		const AVCodec *	codec,
		Scheduler *	sch,
		unsigned	sch_idx
	)

Definition at line 74 of file ffmpeg_enc.c.

Referenced by ost_add().

enc_free()

void enc_free

(

Encoder **

penc

)

Definition at line 64 of file ffmpeg_enc.c.

Referenced by ost_free().

enc_open()

int enc_open	(	void *	opaque,
		const AVFrame *	frame
	)

Definition at line 168 of file ffmpeg_enc.c.

Referenced by encoder_thread(), and ost_add().

enc_loopback()

int enc_loopback

(

Encoder *

enc

)

Definition at line 962 of file ffmpeg_enc.c.

Referenced by dec_create().

of_stream_init()

int of_stream_init	(	OutputFile *	of,
		OutputStream *	ost
	)

Definition at line 609 of file ffmpeg_mux.c.

Referenced by enc_open(), and of_open().

of_write_trailer()

int of_write_trailer

(

OutputFile *

of

)

Definition at line 738 of file ffmpeg_mux.c.

Referenced by transcode().

of_open()

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

Definition at line 2938 of file ffmpeg_mux_init.c.

of_free()

void of_free

(

OutputFile **

pof

)

Definition at line 850 of file ffmpeg_mux.c.

Referenced by ffmpeg_cleanup().

of_enc_stats_close()

void of_enc_stats_close

(

void

)

Definition at line 196 of file ffmpeg_mux_init.c.

Referenced by ffmpeg_cleanup().

of_filesize()

int64_t of_filesize

(

OutputFile *

of

)

Definition at line 876 of file ffmpeg_mux.c.

Referenced by mux_final_stats(), and print_report().

ifile_open()

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

Definition at line 1523 of file ffmpeg_demux.c.

ifile_close()

void ifile_close

(

InputFile **

f

)

Definition at line 851 of file ffmpeg_demux.c.

Referenced by ffmpeg_cleanup().

ist_output_add()

int ist_output_add	(	InputStream *	ist,
		OutputStream *	ost
	)

Definition at line 963 of file ffmpeg_demux.c.

Referenced by ost_add().

ist_filter_add()

int ist_filter_add	(	InputStream *	ist,
		InputFilter *	ifilter,
		int	is_simple,
		InputFilterOptions *	opts
	)

Definition at line 981 of file ffmpeg_demux.c.

Referenced by ifilter_bind_ist().

ist_find_unused()

InputStream* ist_find_unused

(

enum AVMediaType

type

)

Find an unused input stream of given type.

Definition at line 153 of file ffmpeg_demux.c.

Referenced by fg_complex_bind_input().

ist_iter()

InputStream* ist_iter

(

InputStream *

prev

)

Definition at line 397 of file ffmpeg.c.

Referenced by ist_find_unused(), map_auto_data(), map_auto_subtitle(), and print_stream_maps().

ost_iter()

OutputStream* ost_iter

(

OutputStream *

prev

)

Definition at line 381 of file ffmpeg.c.

Referenced by print_report(), and print_stream_maps().

update_benchmark()

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

Definition at line 518 of file ffmpeg.c.

Referenced by encode_frame(), and packet_decode().

opt_match_per_type_str()

const char* opt_match_per_type_str	(	const SpecifierOptList *	sol,
		char	mediatype
	)

Definition at line 179 of file ffmpeg_opt.c.

Referenced by ifile_open(), map_auto_subtitle(), and opt_preset().

muxer_thread()

int muxer_thread

(

void *

arg

)

Definition at line 407 of file ffmpeg_mux.c.

Referenced by of_open().

encoder_thread()

int encoder_thread

(

void *

arg

)

Definition at line 881 of file ffmpeg_enc.c.

Referenced by ost_add().

Variable Documentation

forced_keyframes_const_names

const char* const forced_keyframes_const_names[]

Definition at line 2730 of file ffmpeg_mux_init.c.

Referenced by process_forced_keyframes().

input_files

InputFile** input_files

Definition at line 125 of file ffmpeg.c.

Referenced by apply_sync_offsets(), assert_file_overwrite(), copy_meta(), correct_input_start_times(), demux_alloc(), ffmpeg_cleanup(), fg_complex_bind_input(), ist_iter(), map_auto_audio(), map_auto_video(), map_manual(), opt_map(), and opt_target().

nb_input_files

int nb_input_files

Definition at line 126 of file ffmpeg.c.

Referenced by apply_sync_offsets(), assert_file_overwrite(), copy_meta(), correct_input_start_times(), demux_alloc(), ffmpeg_cleanup(), fg_complex_bind_input(), ist_iter(), main(), map_auto_audio(), map_auto_video(), opt_map(), and opt_target().

output_files

OutputFile** output_files

Definition at line 128 of file ffmpeg.c.

Referenced by dec_create(), ffmpeg_cleanup(), mux_alloc(), new_stream_video(), ost_iter(), print_report(), print_sdp(), and transcode().

nb_output_files

int nb_output_files

Definition at line 129 of file ffmpeg.c.

Referenced by create_streams(), dec_create(), ffmpeg_cleanup(), main(), mux_alloc(), ost_iter(), print_report(), print_sdp(), and transcode().

filtergraphs

FilterGraph** filtergraphs

Definition at line 131 of file ffmpeg.c.

Referenced by check_keyboard_interaction(), create_streams(), ffmpeg_cleanup(), fg_create(), fg_finalise_bindings(), and map_manual().

nb_filtergraphs

int nb_filtergraphs

Definition at line 132 of file ffmpeg.c.

Referenced by check_keyboard_interaction(), create_streams(), ffmpeg_cleanup(), fg_create(), map_manual(), and print_stream_maps().

decoders

Decoder** decoders

Definition at line 134 of file ffmpeg.c.

Referenced by dec_create(), ffmpeg_cleanup(), and fg_complex_bind_input().

nb_decoders

int nb_decoders

Definition at line 135 of file ffmpeg.c.

Referenced by dec_create(), ffmpeg_cleanup(), and fg_complex_bind_input().

vstats_filename

char* vstats_filename

Definition at line 59 of file ffmpeg_opt.c.

Referenced by encode_frame(), ffmpeg_cleanup(), opt_vstats_file(), and update_video_stats().

dts_delta_threshold

float dts_delta_threshold

Definition at line 62 of file ffmpeg_opt.c.

Referenced by ts_discontinuity_detect().

dts_error_threshold

float dts_error_threshold

Definition at line 63 of file ffmpeg_opt.c.

Referenced by ts_discontinuity_detect(), and video_sync_process().

video_sync_method

enum VideoSyncMethod video_sync_method

Definition at line 66 of file ffmpeg_opt.c.

Referenced by new_stream_video(), opt_vsync(), and parse_and_set_vsync().

frame_drop_threshold

float frame_drop_threshold

Definition at line 68 of file ffmpeg_opt.c.

Referenced by video_sync_process().

do_benchmark

int do_benchmark

Definition at line 69 of file ffmpeg_opt.c.

Referenced by ffmpeg_cleanup(), and main().

do_benchmark_all

int do_benchmark_all

Definition at line 70 of file ffmpeg_opt.c.

Referenced by update_benchmark().

do_hex_dump

int do_hex_dump

Definition at line 71 of file ffmpeg_opt.c.

Referenced by input_thread().

do_pkt_dump

int do_pkt_dump

Definition at line 72 of file ffmpeg_opt.c.

Referenced by input_thread().

copy_ts

int copy_ts

Definition at line 73 of file ffmpeg_opt.c.

Referenced by apply_sync_offsets(), correct_input_start_times(), ifile_open(), input_packet_process(), ist_filter_add(), new_stream_video(), print_report(), readrate_sleep(), streamcopy_init(), and ts_discontinuity_detect().

start_at_zero

int start_at_zero

Definition at line 74 of file ffmpeg_opt.c.

Referenced by apply_sync_offsets(), correct_input_start_times(), ifile_open(), input_packet_process(), ist_filter_add(), and readrate_sleep().

copy_tb

int copy_tb

Definition at line 75 of file ffmpeg_opt.c.

Referenced by avformat_transfer_internal_stream_timing_info(), and streamcopy_init().

debug_ts

int debug_ts

Definition at line 76 of file ffmpeg_opt.c.

Referenced by adjust_frame_pts_to_encoder_tb(), encode_frame(), fg_output_step(), input_packet_process(), mux_fixup_ts(), and video_frame_process().

exit_on_error

int exit_on_error

Definition at line 77 of file ffmpeg_opt.c.

Referenced by do_subtitle_out(), input_thread(), mux_fixup_ts(), mux_packet_filter(), packet_decode(), and transcode_subtitles().

abort_on_flags

int abort_on_flags

Definition at line 78 of file ffmpeg_opt.c.

Referenced by check_written(), and opt_abort_on().

print_stats

int print_stats

Definition at line 79 of file ffmpeg_opt.c.

Referenced by print_report().

stats_period

int64_t stats_period

Definition at line 86 of file ffmpeg_opt.c.

Referenced by opt_stats_period(), print_report(), and transcode().

stdin_interaction

int stdin_interaction

Definition at line 80 of file ffmpeg_opt.c.

Referenced by assert_file_overwrite(), ifile_open(), term_init(), and transcode().

progress_avio

AVIOContext* progress_avio

Definition at line 123 of file ffmpeg.c.

Referenced by print_report().

max_error_rate

float max_error_rate

Definition at line 81 of file ffmpeg_opt.c.

Referenced by decoder_thread().

filter_nbthreads

char* filter_nbthreads

Definition at line 82 of file ffmpeg_opt.c.

Referenced by configure_filtergraph(), ffmpeg_cleanup(), and opt_filter_threads().

filter_complex_nbthreads

int filter_complex_nbthreads

Definition at line 83 of file ffmpeg_opt.c.

Referenced by configure_filtergraph().

vstats_version

int vstats_version

Definition at line 84 of file ffmpeg_opt.c.

Referenced by update_video_stats().

auto_conversion_filters

int auto_conversion_filters

Definition at line 85 of file ffmpeg_opt.c.

Referenced by fg_create().

int_cb

const AVIOInterruptCB int_cb

Definition at line 328 of file ffmpeg.c.

Referenced by avio_open2(), dump_attachment(), enc_stats_get_file(), ff_network_sleep_interruptible(), ff_network_wait_fd_timeout(), ffio_open_whitelist(), ffurl_alloc(), ffurl_open_whitelist(), get_preset_file_2(), ifile_open(), libsrt_network_wait_fd_timeout(), of_add_attachments(), of_open(), print_sdp(), read_binary(), url_alloc_for_protocol(), and zmq_proto_wait_timeout().

options

const OptionDef options[]

Examples

avio_http_serve_files.c.

Referenced by av_bsf_list_append2(), av_hwdevice_ctx_create_derived_opts(), av_opt_set_dict(), av_opt_set_dict2(), avcodec_open2(), avfilter_init_dict(), avfilter_init_str(), avformat_find_stream_info(), avformat_init_output(), avformat_open_input(), avformat_stream_group_create(), avformat_write_header(), bsf_list_append_internal(), dnn_load_model_tf(), dnn_load_model_th(), ff_filter_opt_parse(), ff_format_output_open(), ff_opus_psy_init(), ff_tee_parse_slave_options(), ff_tls_open_underlying(), get_output_ov(), hls_read_header(), hw_device_init_from_string(), init(), init_input(), init_muxer(), io_open_default(), list_devices_for_context(), locate_option(), main(), open_url_keepalive(), opt_audio_codec(), opt_audio_filters(), opt_audio_frames(), opt_audio_qscale(), opt_data_codec(), opt_data_frames(), opt_old2new(), opt_qscale(), opt_recording_timestamp(), opt_subtitle_codec(), opt_target(), opt_timecode(), opt_video_codec(), opt_video_filters(), opt_video_frames(), parse_loglevel(), parse_option(), parse_options(), pcm_read_header(), pp_get_mode_by_name_and_quality(), set_string_dict(), show_banner(), show_help_default(), show_help_options(), split_commandline(), subfile_open(), tee_open(), try_decode_frame(), uninit_options(), wrap(), and write_packet().

filter_hw_device

HWDevice* filter_hw_device

Definition at line 57 of file ffmpeg_opt.c.

Referenced by hw_device_for_filter(), and opt_filter_hw_device().

nb_output_dumped

atomic_uint nb_output_dumped

Definition at line 120 of file ffmpeg.c.

Referenced by mux_check_init(), and print_report().

ignore_unknown_streams

int ignore_unknown_streams

Definition at line 91 of file ffmpeg_opt.c.

Referenced by map_manual().

copy_unknown_streams

int copy_unknown_streams

Definition at line 92 of file ffmpeg_opt.c.

Referenced by map_manual().

recast_media

int recast_media

Definition at line 93 of file ffmpeg_opt.c.

Referenced by choose_decoder(), and find_codec().

vstats_file

FILE* vstats_file

Definition at line 109 of file ffmpeg.c.

Referenced by ffmpeg_cleanup(), and update_video_stats().