ffmpeg.h File Reference

#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 "libavfilter/avfiltergraph.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"

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 */

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 VSYNC_AUTO   -1

Definition at line 51 of file ffmpeg.h.

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

#define VSYNC_PASSTHROUGH   0

Definition at line 52 of file ffmpeg.h.

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

#define VSYNC_CFR   1

Definition at line 53 of file ffmpeg.h.

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

#define VSYNC_VFR   2

Definition at line 54 of file ffmpeg.h.

Referenced by do_video_out(), and opt_vsync().

#define VSYNC_DROP   0xff

Definition at line 55 of file ffmpeg.h.

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

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

Definition at line 57 of file ffmpeg.h.

Referenced by opt_streamid().

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 295 of file ffmpeg.h.

Function Documentation

void term_init

(

void

)

Definition at line 310 of file ffmpeg.c.

Referenced by assert_file_overwrite(), and main().

void term_exit

(

void

)

Definition at line 288 of file ffmpeg.c.

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

void reset_options	(	OptionsContext *	o,
		int	is_input
	)

void show_usage

(

void

)

Definition at line 2270 of file ffmpeg_opt.c.

Referenced by main(), and show_help_default().

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

void assert_avoptions

(

AVDictionary *

m

)

Definition at line 499 of file ffmpeg.c.

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

int guess_input_channel_layout

(

InputStream *

ist

)

Definition at line 1502 of file ffmpeg.c.

Referenced by add_input_streams(), and decode_audio().

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

Definition at line 39 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 72 of file ffmpeg_filter.c.

Referenced by read_ffserver_streams().

int configure_filtergraph

(

FilterGraph *

fg

)

Definition at line 724 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 489 of file ffmpeg_filter.c.

Referenced by configure_filtergraph(), and init_output_filter().

int ist_in_filtergraph	(	FilterGraph *	fg,
		InputStream *	ist
	)

Definition at line 805 of file ffmpeg_filter.c.

Referenced by decode_audio(), and decode_video().

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

Referenced by transcode_init().

int ffmpeg_parse_options	(	int	argc,
		char **	argv
	)

Definition at line 2320 of file ffmpeg_opt.c.

Referenced by main().

Variable Documentation

const char* const forced_keyframes_const_names[]

Definition at line 112 of file ffmpeg.c.

Referenced by transcode_init().

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(), and open_output_file().

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().

InputFile** input_files

Definition at line 147 of file ffmpeg.c.

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

int nb_input_files

Definition at line 148 of file ffmpeg.c.

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

OutputStream** output_streams

Definition at line 150 of file ffmpeg.c.

Referenced by new_output_stream(), and open_output_file().

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().

OutputFile** output_files

Definition at line 152 of file ffmpeg.c.

Referenced by open_output_file().

int nb_output_files

Definition at line 153 of file ffmpeg.c.

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

FilterGraph** filtergraphs

Definition at line 155 of file ffmpeg.c.

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

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(), and transcode_init().

char* vstats_filename

Definition at line 66 of file ffmpeg_opt.c.

Referenced by do_video_out(), do_video_stats(), exit_program(), flush_encoders(), and opt_vstats_file().

float audio_drift_threshold

Definition at line 68 of file ffmpeg_opt.c.

Referenced by configure_input_audio_filter().

float dts_delta_threshold

Definition at line 69 of file ffmpeg_opt.c.

Referenced by process_input().

float dts_error_threshold

Definition at line 70 of file ffmpeg_opt.c.

Referenced by do_video_out(), and process_input().

int audio_volume

Definition at line 72 of file ffmpeg_opt.c.

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

int audio_sync_method

Definition at line 73 of file ffmpeg_opt.c.

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

int video_sync_method

Definition at line 74 of file ffmpeg_opt.c.

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

int do_benchmark

Definition at line 76 of file ffmpeg_opt.c.

Referenced by exit_program(), and main().

int do_benchmark_all

Definition at line 77 of file ffmpeg_opt.c.

Referenced by update_benchmark().

int do_deinterlace

Definition at line 75 of file ffmpeg_opt.c.

Referenced by init_input_stream().

int do_hex_dump

Definition at line 78 of file ffmpeg_opt.c.

Referenced by check_keyboard_interaction(), and process_input().

int do_pkt_dump

Definition at line 79 of file ffmpeg_opt.c.

Referenced by check_keyboard_interaction(), and process_input().

int copy_ts

Definition at line 80 of file ffmpeg_opt.c.

Referenced by open_input_file(), and process_input().

int copy_tb

Definition at line 81 of file ffmpeg_opt.c.

Referenced by transcode_init().

int debug_ts

Definition at line 82 of file ffmpeg_opt.c.

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

int exit_on_error

Definition at line 83 of file ffmpeg_opt.c.

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

int print_stats

Definition at line 84 of file ffmpeg_opt.c.

Referenced by print_report(), and uninit().

int qp_hist

Definition at line 85 of file ffmpeg_opt.c.

Referenced by check_keyboard_interaction(), and print_report().

int stdin_interaction

Definition at line 86 of file ffmpeg_opt.c.

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

int frame_bits_per_raw_sample

Definition at line 87 of file ffmpeg_opt.c.

Referenced by new_video_stream(), and transcode_init().

AVIOContext* progress_avio

Definition at line 134 of file ffmpeg.c.

Referenced by opt_progress().

const AVIOInterruptCB int_cb

Definition at line 408 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().

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 libav* logging level", "loglevel" },
    { "v",           HAS_ARG,  {.func_arg = opt_loglevel},      "set libav* 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 },
}

Definition at line 4705 of file ffserver.c.

Referenced by ffmpeg_parse_options(), main(), open_slave(), opt_audio_codec(), opt_audio_filters(), opt_audio_frames(), opt_audio_qscale(), opt_channel_layout(), 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(), pp_get_mode_by_name_and_quality(), read_ffserver_streams(), show_help_default(), and uninit_options().