#include "config.h"
#include <stdint.h>
#include <stdio.h>
#include <signal.h>
#include <pthread.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/pixfmt.h"
#include "libavutil/rational.h"
#include "libswresample/swresample.h"

Include dependency graph for ffmpeg.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
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_DROP 0xff

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

Typedefs
typedef struct StreamMap	StreamMap

typedef struct OptionsContext	OptionsContext

typedef struct InputFilter	InputFilter

typedef struct OutputFilter	OutputFilter

typedef struct FilterGraph	FilterGraph

typedef struct InputStream	InputStream

typedef struct InputFile	InputFile

typedef struct OutputStream	OutputStream

typedef struct OutputFile	OutputFile

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

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	assert_avoptions (AVDictionary *m)

int	guess_input_channel_layout (InputStream *ist)

enum AVPixelFormat	choose_pixel_fmt (AVStream st, 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)

int	ist_in_filtergraph (FilterGraph fg, InputStream ist)

FilterGraph *	init_simple_filtergraph (InputStream ist, OutputStream ost)

int	ffmpeg_parse_options (int argc, char **argv)

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

float	audio_drift_threshold

float	dts_delta_threshold

float	dts_error_threshold

int	audio_volume

int	audio_sync_method

int	video_sync_method

int	do_benchmark

int	do_benchmark_all

int	do_deinterlace

int	do_hex_dump

int	do_pkt_dump

int	copy_ts

int	copy_tb

int	debug_ts

int	exit_on_error

int	print_stats

int	qp_hist

int	stdin_interaction

int	frame_bits_per_raw_sample

AVIOContext *	progress_avio

const AVIOInterruptCB	int_cb

const OptionDef	options []

Macro Definition Documentation

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

Definition at line 56 of file ffmpeg.h.

Referenced by opt_streamid().

#define VSYNC_AUTO -1

Definition at line 50 of file ffmpeg.h.

Referenced by do_video_out(), opt_vsync(), and transcode_init().

#define VSYNC_CFR 1

Definition at line 52 of file ffmpeg.h.

Referenced by do_video_out(), opt_vsync(), and transcode_init().

#define VSYNC_DROP 0xff

Definition at line 54 of file ffmpeg.h.

Referenced by do_video_out(), opt_vsync(), and write_frame().

#define VSYNC_PASSTHROUGH 0

Definition at line 51 of file ffmpeg.h.

Referenced by do_video_out(), opt_vsync(), and transcode_init().

#define VSYNC_VFR 2

Definition at line 53 of file ffmpeg.h.

Referenced by do_video_out(), and opt_vsync().

Typedef Documentation

typedef struct FilterGraph FilterGraph

typedef struct InputFile InputFile

typedef struct InputFilter InputFilter

typedef struct InputStream InputStream

typedef struct OptionsContext OptionsContext

typedef struct OutputFile OutputFile

typedef struct OutputFilter OutputFilter

typedef struct OutputStream OutputStream

typedef struct StreamMap StreamMap

Enumeration Type Documentation

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 298 of file ffmpeg.h.

Function Documentation

void assert_avoptions ( AVDictionary * m )

Definition at line 510 of file ffmpeg.c.

Referenced by init_input_stream(), open_input_file(), and transcode_init().

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

Definition at line 38 of file ffmpeg_filter.c.

Referenced by choose_pix_fmts(), and read_ffserver_streams().

void choose_sample_fmt	(	AVStream *	st,
		AVCodec *	codec
	)

Definition at line 71 of file ffmpeg_filter.c.

Referenced by read_ffserver_streams().

int configure_filtergraph ( FilterGraph * fg )

Definition at line 719 of file ffmpeg_filter.c.

Referenced by configure_complex_filters(), decode_audio(), decode_video(), and transcode_init().

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

Definition at line 483 of file ffmpeg_filter.c.

Referenced by configure_filtergraph(), and init_output_filter().

int ffmpeg_parse_options	(	int	argc,
		char **	argv
	)

Definition at line 2490 of file ffmpeg_opt.c.

Referenced by main().

int guess_input_channel_layout ( InputStream * ist )

Definition at line 1464 of file ffmpeg.c.

Referenced by add_input_streams(), and decode_audio().

FilterGraph* init_simple_filtergraph	(	InputStream *	ist,
		OutputStream *	ost
	)

Referenced by transcode_init().

int ist_in_filtergraph	(	FilterGraph *	fg,
		InputStream *	ist
	)

Definition at line 800 of file ffmpeg_filter.c.

Referenced by decode_audio(), and decode_video().

void opt_output_file	(	void *	optctx,
		const char *	filename
	)

void reset_options	(	OptionsContext *	o,
		int	is_input
	)

void show_usage ( void )

Definition at line 2440 of file ffmpeg_opt.c.

Referenced by main(), and show_help_default().

void term_exit ( void )

Definition at line 302 of file ffmpeg.c.

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

void term_init ( void )

Definition at line 324 of file ffmpeg.c.

Referenced by assert_file_overwrite(), and main().

Variable Documentation

float audio_drift_threshold

Definition at line 67 of file ffmpeg_opt.c.

Referenced by configure_input_audio_filter().

int audio_sync_method

Definition at line 72 of file ffmpeg_opt.c.

Referenced by configure_input_audio_filter(), do_audio_out(), and write_frame().

int audio_volume

Definition at line 71 of file ffmpeg_opt.c.

Referenced by configure_input_audio_filter(), configure_output_audio_filter(), and transcode_init().

int copy_tb

Definition at line 80 of file ffmpeg_opt.c.

Referenced by transcode_init().

int copy_ts

Definition at line 79 of file ffmpeg_opt.c.

Referenced by open_input_file(), and process_input().

int debug_ts

Definition at line 81 of file ffmpeg_opt.c.

Referenced by decode_video(), do_audio_out(), do_video_out(), process_input(), and write_frame().

int do_benchmark

Definition at line 75 of file ffmpeg_opt.c.

Referenced by exit_program(), and main().

int do_benchmark_all

Definition at line 76 of file ffmpeg_opt.c.

Referenced by update_benchmark().

int do_deinterlace

Definition at line 74 of file ffmpeg_opt.c.

Referenced by configure_input_video_filter().

int do_hex_dump

Definition at line 77 of file ffmpeg_opt.c.

Referenced by check_keyboard_interaction(), and process_input().

int do_pkt_dump

Definition at line 78 of file ffmpeg_opt.c.

Referenced by check_keyboard_interaction(), and process_input().

float dts_delta_threshold

Definition at line 68 of file ffmpeg_opt.c.

Referenced by process_input().

float dts_error_threshold

Definition at line 69 of file ffmpeg_opt.c.

Referenced by do_video_out(), and process_input().

int exit_on_error

Definition at line 82 of file ffmpeg_opt.c.

Referenced by do_subtitle_out(), process_input(), and write_frame().

FilterGraph** filtergraphs

Definition at line 155 of file ffmpeg.c.

Referenced by configure_complex_filters(), DEF_CHOOSE_FORMAT(), open_output_file(), opt_filter_complex(), and opt_filter_complex_script().

const char* const forced_keyframes_const_names[]

Definition at line 111 of file ffmpeg.c.

Referenced by transcode_init().

int frame_bits_per_raw_sample

Definition at line 86 of file ffmpeg_opt.c.

Referenced by new_video_stream(), and transcode_init().

InputFile** input_files

Definition at line 147 of file ffmpeg.c.

Referenced by configure_input_video_filter(), init_input_filter(), open_input_file(), open_output_file(), opt_map(), opt_map_channel(), opt_target(), and sub2video_prepare().

InputStream** input_streams

Definition at line 145 of file ffmpeg.c.

Referenced by add_input_streams(), init_input_filter(), new_audio_stream(), new_output_stream(), open_input_file(), and open_output_file().

const AVIOInterruptCB int_cb

Definition at line 422 of file ffmpeg.c.

Referenced by dump_attachment(), get_preset_file_2(), open_input_file(), open_output_file(), opt_progress(), read_ffserver_streams(), transcode_init(), and url_alloc_for_protocol().

int nb_filtergraphs

Definition at line 156 of file ffmpeg.c.

Referenced by check_keyboard_interaction(), configure_complex_filters(), decode_audio(), decode_video(), DEF_CHOOSE_FORMAT(), exit_program(), open_output_file(), opt_filter_complex(), opt_filter_complex_script(), and transcode_init().

int nb_input_files

Definition at line 148 of file ffmpeg.c.

Referenced by add_input_streams(), dump_attachment(), exit_program(), free_input_threads(), get_input_packet(), init_input_filter(), init_input_threads(), main(), open_input_file(), open_output_file(), opt_map(), opt_map_channel(), opt_target(), reset_eagain(), and transcode_init().

int nb_input_streams

Definition at line 146 of file ffmpeg.c.

Referenced by add_input_streams(), check_keyboard_interaction(), exit_program(), init_input_filter(), open_input_file(), open_output_file(), transcode(), and transcode_init().

int nb_output_files

Definition at line 153 of file ffmpeg.c.

Referenced by exit_program(), get_ost_filters(), main(), new_output_stream(), open_output_file(), print_sdp(), transcode(), and transcode_init().

int nb_output_streams

Definition at line 151 of file ffmpeg.c.

Referenced by check_keyboard_interaction(), choose_output(), exit_program(), flush_encoders(), got_eagain(), need_output(), new_output_stream(), open_output_file(), output_packet(), print_report(), process_input(), reap_filters(), reset_eagain(), transcode(), transcode_init(), and transcode_subtitles().

static const OptionDef options

Initial value:

= {
    { "L"          , OPT_EXIT, {.func_arg = show_license},      "show license" },
    { "h"          , OPT_EXIT, {.func_arg = show_help},         "show help", "topic" },
    { "?"          , OPT_EXIT, {.func_arg = show_help},         "show help", "topic" },
    { "help"       , OPT_EXIT, {.func_arg = show_help},         "show help", "topic" },
    { "-help"      , OPT_EXIT, {.func_arg = show_help},         "show help", "topic" },
    { "version"    , OPT_EXIT, {.func_arg = show_version},      "show version" },
    { "formats"    , OPT_EXIT, {.func_arg = show_formats  },    "show available formats" },
    { "codecs"     , OPT_EXIT, {.func_arg = show_codecs   },    "show available codecs" },
    { "decoders"   , OPT_EXIT, {.func_arg = show_decoders },    "show available decoders" },
    { "encoders"   , OPT_EXIT, {.func_arg = show_encoders },    "show available encoders" },
    { "bsfs"       , OPT_EXIT, {.func_arg = show_bsfs     },    "show available bit stream filters" },
    { "protocols"  , OPT_EXIT, {.func_arg = show_protocols},    "show available protocols" },
    { "filters"    , OPT_EXIT, {.func_arg = show_filters  },    "show available filters" },
    { "pix_fmts"   , OPT_EXIT, {.func_arg = show_pix_fmts },    "show available pixel formats" },
    { "layouts"    , OPT_EXIT, {.func_arg = show_layouts  },    "show standard channel layouts" },
    { "sample_fmts", OPT_EXIT, {.func_arg = show_sample_fmts }, "show available audio sample formats" },
    { "loglevel"   , HAS_ARG,  {.func_arg = opt_loglevel},      "set logging level", "loglevel" },
    { "v",           HAS_ARG,  {.func_arg = opt_loglevel},      "set logging level", "loglevel" },
    { "report"     , 0,        {(void*)opt_report}, "generate a report" },
    { "max_alloc"  , HAS_ARG,  {.func_arg = opt_max_alloc},     "set maximum size of a single allocated block", "bytes" },
    { "cpuflags"   , HAS_ARG | OPT_EXPERT, {.func_arg = opt_cpuflags}, "force specific cpu flags", "flags" },
    { "n", OPT_BOOL, {(void *)&no_launch }, "enable no-launch mode" },
    { "d", 0, {(void*)opt_debug}, "enable debug mode" },
    { "f", HAS_ARG | OPT_STRING, {(void*)&config_filename }, "use configfile instead of /etc/ffserver.conf", "configfile" },
    { NULL },
}