#include "config.h"
#include <stdint.h>
#include <stdio.h>
#include <signal.h>
#include "cmdutils.h"
#include "libavformat/avformat.h"
#include "libavformat/avio.h"
#include "libavcodec/avcodec.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	HWAccel

struct	HWDevice

struct	StreamMap

struct	AudioChannelMap

struct	OptionsContext

struct	InputFilter

struct	OutputFilter

struct	FilterGraph

struct	InputStream

struct	InputStream::sub2video

struct	InputFile

struct	OutputStream

struct	OutputFile

Macros
#define	VSYNC_AUTO -1

#define	VSYNC_PASSTHROUGH 0

#define	VSYNC_CFR 1

#define	VSYNC_VFR 2

#define	VSYNC_VSCFR 0xfe

#define	VSYNC_DROP 0xff

#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)

Enumerations
enum	HWAccelID { HWACCEL_NONE = 0, HWACCEL_AUTO, HWACCEL_GENERIC, HWACCEL_VIDEOTOOLBOX, HWACCEL_QSV, HWACCEL_CUVID }

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

enum	OSTFinished { ENCODER_FINISHED = 1, MUXER_FINISHED = 2 }

Functions
void	term_init (void)

void	term_exit (void)

void	reset_options (OptionsContext *o, int is_input)

void	show_usage (void)

void	opt_output_file (void optctx, const char filename)

void	remove_avoptions (AVDictionary *a, AVDictionary b)

void	assert_avoptions (AVDictionary *m)

int	guess_input_channel_layout (InputStream *ist)

enum AVPixelFormat	choose_pixel_fmt (AVStream st, AVCodecContext avctx, AVCodec *codec, enum AVPixelFormat target)

void	choose_sample_fmt (AVStream st, AVCodec codec)

int	configure_filtergraph (FilterGraph *fg)

int	configure_output_filter (FilterGraph fg, OutputFilter ofilter, AVFilterInOut *out)

void	check_filter_outputs (void)

int	ist_in_filtergraph (FilterGraph fg, InputStream ist)

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, AVSubtitle sub)

int	ifilter_parameters_from_frame (InputFilter ifilter, const AVFrame frame)

int	ffmpeg_parse_options (int argc, char **argv)

int	videotoolbox_init (AVCodecContext *s)

int	qsv_init (AVCodecContext *s)

int	cuvid_init (AVCodecContext *s)

HWDevice *	hw_device_get_by_name (const char *name)

int	hw_device_init_from_string (const char arg, HWDevice *dev)

void	hw_device_free_all (void)

int	hw_device_setup_for_decode (InputStream *ist)

int	hw_device_setup_for_encode (OutputStream *ost)

int	hwaccel_decode_init (AVCodecContext *avctx)

Variables
const char *const	forced_keyframes_const_names []

InputStream **	input_streams

int	nb_input_streams

InputFile **	input_files

int	nb_input_files

OutputStream **	output_streams

int	nb_output_streams

OutputFile **	output_files

int	nb_output_files

FilterGraph **	filtergraphs

int	nb_filtergraphs

char *	vstats_filename

char *	sdp_filename

float	audio_drift_threshold

float	dts_delta_threshold

float	dts_error_threshold

int	audio_volume

int	audio_sync_method

int	video_sync_method

float	frame_drop_threshold

int	do_benchmark

int	do_benchmark_all

int	do_deinterlace

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

int	qp_hist

int	stdin_interaction

int	frame_bits_per_raw_sample

AVIOContext *	progress_avio

float	max_error_rate

char *	videotoolbox_pixfmt

int	filter_nbthreads

int	filter_complex_nbthreads

int	vstats_version

const AVIOInterruptCB	int_cb

const OptionDef	options []

const HWAccel	hwaccels []

AVBufferRef *	hw_device_ctx

HWDevice *	filter_hw_device