#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/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_VDPAU, HWACCEL_DXVA2, HWACCEL_VDA, HWACCEL_VIDEOTOOLBOX, HWACCEL_QSV, HWACCEL_VAAPI, HWACCEL_CUVID, HWACCEL_D3D11VA }

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	vda_init (AVCodecContext *s)

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 []

int	hwaccel_lax_profile_check

AVBufferRef *	hw_device_ctx

HWDevice *	filter_hw_device

Macro Definition Documentation

#define VSYNC_AUTO -1

Definition at line 52 of file ffmpeg.h.

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

#define VSYNC_PASSTHROUGH 0

Definition at line 53 of file ffmpeg.h.

Referenced by do_video_out(), init_output_stream_encode(), new_video_stream(), and opt_vsync().

#define VSYNC_CFR 1

Definition at line 54 of file ffmpeg.h.

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

#define VSYNC_VFR 2

Definition at line 55 of file ffmpeg.h.

Referenced by do_video_out(), and opt_vsync().

#define VSYNC_VSCFR 0xfe

Definition at line 56 of file ffmpeg.h.

Referenced by do_video_out(), and init_output_stream_encode().

#define VSYNC_DROP 0xff

Definition at line 57 of file ffmpeg.h.

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

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

Definition at line 59 of file ffmpeg.h.

Referenced by opt_streamid().

#define DECODING_FOR_OST 1

Definition at line 308 of file ffmpeg.h.

Referenced by init_input_stream(), and open_output_file().

#define DECODING_FOR_FILTER 2

Definition at line 309 of file ffmpeg.h.

Referenced by init_input_filter(), and init_input_stream().

#define ABORT_ON_FLAG_EMPTY_OUTPUT (1 << 0)

Definition at line 440 of file ffmpeg.h.

Referenced by opt_abort_on(), and transcode().

Enumeration Type Documentation

enum HWAccelID

Enumerator
HWACCEL_NONE
HWACCEL_AUTO
HWACCEL_VDPAU
HWACCEL_DXVA2
HWACCEL_VDA
HWACCEL_VIDEOTOOLBOX
HWACCEL_QSV
HWACCEL_VAAPI
HWACCEL_CUVID
HWACCEL_D3D11VA

Definition at line 61 of file ffmpeg.h.

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 431 of file ffmpeg.h.

enum OSTFinished

Enumerator
ENCODER_FINISHED
MUXER_FINISHED

Definition at line 444 of file ffmpeg.h.

Function Documentation

void term_init ( void )

Definition at line 373 of file ffmpeg.c.

Referenced by assert_file_overwrite(), and ffmpeg_parse_options().

void term_exit ( void )

Definition at line 315 of file ffmpeg.c.

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

void reset_options	(	OptionsContext *	o,
		int	is_input
	)

void show_usage ( void )

Definition at line 3241 of file ffmpeg_opt.c.

Referenced by main(), and show_help_default().

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

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

Definition at line 622 of file ffmpeg.c.

Referenced by open_input_file().

void assert_avoptions ( AVDictionary * m )

Definition at line 631 of file ffmpeg.c.

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

int guess_input_channel_layout ( InputStream * ist )

Definition at line 2102 of file ffmpeg.c.

Referenced by add_input_streams().

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

Definition at line 63 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 92 of file ffmpeg_filter.c.

Referenced by read_ffserver_streams().

int configure_filtergraph ( FilterGraph * fg )

Definition at line 995 of file ffmpeg_filter.c.

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

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

Definition at line 667 of file ffmpeg_filter.c.

Referenced by configure_filtergraph().

void check_filter_outputs ( void )

Definition at line 681 of file ffmpeg_filter.c.

Referenced by ffmpeg_parse_options().

int ist_in_filtergraph	(	FilterGraph *	fg,
		InputStream *	ist
	)

Definition at line 1198 of file ffmpeg_filter.c.

int filtergraph_is_simple ( FilterGraph * fg )

Definition at line 1207 of file ffmpeg_filter.c.

Referenced by configure_filtergraph(), and transcode_init().

int init_simple_filtergraph	(	InputStream *	ist,
		OutputStream *	ost
	)

Referenced by open_output_file().

int init_complex_filtergraph ( FilterGraph * fg )

Definition at line 332 of file ffmpeg_filter.c.

Referenced by init_complex_filters().

void sub2video_update	(	InputStream *	ist,
		AVSubtitle *	sub
	)

Definition at line 232 of file ffmpeg.c.

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

int ifilter_parameters_from_frame	(	InputFilter *	ifilter,
		const AVFrame *	frame
	)

Definition at line 1175 of file ffmpeg_filter.c.

Referenced by ifilter_send_frame().

int ffmpeg_parse_options	(	int	argc,
		char **	argv
	)

Definition at line 3291 of file ffmpeg_opt.c.

Referenced by main().

int vda_init ( AVCodecContext * s )

int videotoolbox_init ( AVCodecContext * s )

Definition at line 129 of file ffmpeg_videotoolbox.c.

int qsv_init ( AVCodecContext * s )

Definition at line 71 of file ffmpeg_qsv.c.

int cuvid_init ( AVCodecContext * s )

Definition at line 30 of file ffmpeg_cuvid.c.

HWDevice* hw_device_get_by_name ( const char * name )

Definition at line 42 of file ffmpeg_hw.c.

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

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

Definition at line 67 of file ffmpeg_hw.c.

Referenced by hw_device_setup_for_decode(), and opt_init_hw_device().

void hw_device_free_all ( void )

Definition at line 217 of file ffmpeg_hw.c.

Referenced by transcode().

int hw_device_setup_for_decode ( InputStream * ist )

Definition at line 255 of file ffmpeg_hw.c.

Referenced by init_input_stream().

int hw_device_setup_for_encode ( OutputStream * ost )

Definition at line 312 of file ffmpeg_hw.c.

Referenced by init_output_stream().

int hwaccel_decode_init ( AVCodecContext * avctx )

Definition at line 378 of file ffmpeg_hw.c.

Variable Documentation

const char* const forced_keyframes_const_names[]

Definition at line 117 of file ffmpeg.c.

Referenced by init_output_stream_encode().

InputStream** input_streams

Definition at line 144 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().

int nb_input_streams

Definition at line 145 of file ffmpeg.c.

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

InputFile** input_files

Definition at line 146 of file ffmpeg.c.

Referenced by configure_input_audio_filter(), configure_input_video_filter(), 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 147 of file ffmpeg.c.

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

OutputStream** output_streams

Definition at line 149 of file ffmpeg.c.

Referenced by new_output_stream(), and open_output_file().

int nb_output_streams

Definition at line 150 of file ffmpeg.c.

Referenced by check_keyboard_interaction(), choose_output(), close_all_output_streams(), ffmpeg_cleanup(), flush_encoders(), got_eagain(), need_output(), new_output_stream(), open_output_file(), print_final_stats(), print_report(), process_input(), process_input_packet(), reap_filters(), reset_eagain(), transcode(), transcode_init(), and transcode_subtitles().

OutputFile** output_files

Definition at line 151 of file ffmpeg.c.

Referenced by configure_output_audio_filter(), configure_output_video_filter(), and open_output_file().

int nb_output_files

Definition at line 152 of file ffmpeg.c.

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

FilterGraph** filtergraphs

Definition at line 154 of file ffmpeg.c.

Referenced by check_filter_outputs(), DEF_CHOOSE_FORMAT(), init_complex_filters(), open_output_file(), opt_filter_complex(), and opt_filter_complex_script().

int nb_filtergraphs

Definition at line 155 of file ffmpeg.c.

Referenced by check_filter_outputs(), check_keyboard_interaction(), DEF_CHOOSE_FORMAT(), ffmpeg_cleanup(), init_complex_filters(), open_output_file(), opt_filter_complex(), opt_filter_complex_script(), and transcode_init().

char* vstats_filename

Definition at line 107 of file ffmpeg_opt.c.

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

char* sdp_filename

Definition at line 108 of file ffmpeg_opt.c.

Referenced by check_init_output_file(), opt_sdp_file(), and print_sdp().

float audio_drift_threshold

Definition at line 110 of file ffmpeg_opt.c.

Referenced by configure_input_audio_filter().

float dts_delta_threshold

Definition at line 111 of file ffmpeg_opt.c.

Referenced by process_input().

float dts_error_threshold

Definition at line 112 of file ffmpeg_opt.c.

Referenced by do_video_out(), and process_input().

int audio_volume

Definition at line 114 of file ffmpeg_opt.c.

Referenced by configure_input_audio_filter(), and configure_output_audio_filter().

int audio_sync_method

Definition at line 115 of file ffmpeg_opt.c.

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

int video_sync_method

Definition at line 116 of file ffmpeg_opt.c.

Referenced by do_video_out(), init_output_stream_encode(), new_video_stream(), opt_vsync(), and write_packet().

float frame_drop_threshold

Definition at line 117 of file ffmpeg_opt.c.

Referenced by do_video_out().

int do_benchmark

Definition at line 119 of file ffmpeg_opt.c.

Referenced by ffmpeg_cleanup(), and main().

int do_benchmark_all

Definition at line 120 of file ffmpeg_opt.c.

Referenced by update_benchmark().

int do_deinterlace

Definition at line 118 of file ffmpeg_opt.c.

Referenced by configure_input_video_filter().

int do_hex_dump

Definition at line 121 of file ffmpeg_opt.c.

Referenced by check_keyboard_interaction(), and process_input().

int do_pkt_dump

Definition at line 122 of file ffmpeg_opt.c.

Referenced by check_keyboard_interaction(), and process_input().

int copy_ts

Definition at line 123 of file ffmpeg_opt.c.

Referenced by configure_input_audio_filter(), configure_input_video_filter(), do_streamcopy(), do_video_out(), open_input_file(), and process_input().

int start_at_zero

Definition at line 124 of file ffmpeg_opt.c.

Referenced by configure_input_audio_filter(), configure_input_video_filter(), and open_input_file().

int copy_tb

Definition at line 125 of file ffmpeg_opt.c.

Referenced by init_output_stream_streamcopy().

int debug_ts

Definition at line 126 of file ffmpeg_opt.c.

Referenced by decode_video(), do_audio_out(), do_video_out(), process_input(), reap_filters(), and write_packet().

int exit_on_error

Definition at line 127 of file ffmpeg_opt.c.

Referenced by check_decode_result(), do_subtitle_out(), output_packet(), process_input(), process_input_packet(), transcode(), and write_packet().

int abort_on_flags

Definition at line 128 of file ffmpeg_opt.c.

Referenced by opt_abort_on(), and transcode().

int print_stats

Definition at line 129 of file ffmpeg_opt.c.

Referenced by print_report().

int qp_hist

Definition at line 130 of file ffmpeg_opt.c.

Referenced by check_keyboard_interaction(), and print_report().

int stdin_interaction

Definition at line 131 of file ffmpeg_opt.c.

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

int frame_bits_per_raw_sample

Definition at line 132 of file ffmpeg_opt.c.

Referenced by init_output_stream_encode(), and new_video_stream().

AVIOContext* progress_avio

Definition at line 140 of file ffmpeg.c.

Referenced by opt_progress().

float max_error_rate

Definition at line 133 of file ffmpeg_opt.c.

Referenced by main().

char* videotoolbox_pixfmt

Definition at line 39 of file ffmpeg_videotoolbox.c.

Referenced by videotoolbox_init(), and videotoolbox_retrieve_data().

int filter_nbthreads

Definition at line 134 of file ffmpeg_opt.c.

Referenced by configure_filtergraph().

int filter_complex_nbthreads

Definition at line 135 of file ffmpeg_opt.c.

Referenced by configure_filtergraph().

int vstats_version

Definition at line 136 of file ffmpeg_opt.c.

Referenced by do_video_stats().

const AVIOInterruptCB int_cb

Definition at line 464 of file ffmpeg.c.

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

static const OptionDef options

Initial value:

= {
    CMDUTILS_COMMON_OPTIONS
    { "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 },
}