ffmpeg_opt.c File Reference

#include "config.h"
#include <stdint.h>
#include "ffmpeg.h"
#include "ffmpeg_sched.h"
#include "cmdutils.h"
#include "opt_common.h"
#include "libavformat/avformat.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/bsf.h"
#include "libavfilter/avfilter.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/avutil.h"
#include "libavutil/mathematics.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "libavutil/stereo3d.h"
#include "graph/graphprint.h"

Go to the source code of this file.

Data Structures
struct	GlobalOptionsContext

Macros
#define	OPT_MATCH_PER_STREAM(name, type, opt_type, m)
#define	OPT_MATCH_PER_STREAM_GROUP(name, type, opt_type, m)
#define	OFFSET(x)

Enumerations
enum	OptGroup { GROUP_OUTFILE , GROUP_INFILE , GROUP_DECODER }

Functions
static void	uninit_options (OptionsContext *o)
static void	init_options (OptionsContext *o)
static int	show_hwaccels (void *optctx, const char *opt, const char *arg)
const char *	opt_match_per_type_str (const SpecifierOptList *sol, char mediatype)
static unsigned	opt_match_per_stream (void *logctx, enum OptionType type, const SpecifierOptList *sol, AVFormatContext *fc, AVStream *st)
static unsigned	opt_match_per_stream_group (void *logctx, enum OptionType type, const SpecifierOptList *sol, AVFormatContext *fc, AVStreamGroup *stg)
int	view_specifier_parse (const char **pspec, ViewSpecifier *vs)
int	parse_and_set_vsync (const char *arg, enum VideoSyncMethod *vsync_var, int file_idx, int st_idx)
static void	correct_input_start_times (void)
static int	apply_sync_offsets (void)
static int	opt_filter_threads (void *optctx, const char *opt, const char *arg)
static int	opt_abort_on (void *optctx, const char *opt, const char *arg)
static int	opt_stats_period (void *optctx, const char *opt, const char *arg)
static int	opt_audio_codec (void *optctx, const char *opt, const char *arg)
static int	opt_video_codec (void *optctx, const char *opt, const char *arg)
static int	opt_subtitle_codec (void *optctx, const char *opt, const char *arg)
static int	opt_data_codec (void *optctx, const char *opt, const char *arg)
static int	opt_map (void *optctx, const char *opt, const char *arg)
static int	opt_attach (void *optctx, const char *opt, const char *arg)
static int	opt_sdp_file (void *optctx, const char *opt, const char *arg)
static int	opt_init_hw_device (void *optctx, const char *opt, const char *arg)
static int	opt_filter_hw_device (void *optctx, const char *opt, const char *arg)
static int	opt_recording_timestamp (void *optctx, const char *opt, const char *arg)
int	find_codec (void *logctx, const char *name, enum AVMediaType type, int encoder, const AVCodec **pcodec)
int	assert_file_overwrite (const char *filename)
static int	opt_streamid (void *optctx, const char *opt, const char *arg)
static int	opt_target (void *optctx, const char *opt, const char *arg)
static int	opt_vstats_file (void *optctx, const char *opt, const char *arg)
static int	opt_vstats (void *optctx, const char *opt, const char *arg)
static int	opt_video_frames (void *optctx, const char *opt, const char *arg)
static int	opt_audio_frames (void *optctx, const char *opt, const char *arg)
static int	opt_data_frames (void *optctx, const char *opt, const char *arg)
static int	opt_default_new (OptionsContext *o, const char *opt, const char *arg)
static int	opt_preset (void *optctx, const char *opt, const char *arg)
static int	opt_old2new (void *optctx, const char *opt, const char *arg)
static int	opt_bitrate (void *optctx, const char *opt, const char *arg)
static int	opt_qscale (void *optctx, const char *opt, const char *arg)
static int	opt_profile (void *optctx, const char *opt, const char *arg)
static int	opt_video_filters (void *optctx, const char *opt, const char *arg)
static int	opt_audio_filters (void *optctx, const char *opt, const char *arg)
static int	opt_timecode (void *optctx, const char *opt, const char *arg)
static int	opt_audio_qscale (void *optctx, const char *opt, const char *arg)
static int	opt_filter_complex (void *optctx, const char *opt, const char *arg)
void	show_help_default (const char *opt, const char *arg)
	Per-fftool specific help handler.
void	show_usage (void)
static int	open_files (OptionGroupList *l, const char *inout, Scheduler *sch, int(*open_file)(const OptionsContext *, const char *, Scheduler *))
int	ffmpeg_parse_options (int argc, char **argv, Scheduler *sch)
static int	opt_progress (void *optctx, const char *opt, const char *arg)
int	opt_timelimit (void *optctx, const char *opt, const char *arg)
	Limit the execution time.

Variables
HWDevice *	filter_hw_device
char *	vstats_filename
float	dts_delta_threshold = 10
float	dts_error_threshold = 3600*30
float	frame_drop_threshold = 0
int	do_benchmark = 0
int	do_benchmark_all = 0
int	do_hex_dump = 0
int	do_pkt_dump = 0
int	copy_ts = 0
int	start_at_zero = 0
int	copy_tb = -1
int	debug_ts = 0
int	exit_on_error = 0
int	abort_on_flags = 0
int	print_stats = -1
int	stdin_interaction = 1
float	max_error_rate = 2.0/3
char *	filter_nbthreads
int	filter_complex_nbthreads = 0
int	filter_buffered_frames = 0
int	vstats_version = 2
int	print_graphs = 0
char *	print_graphs_file = NULL
char *	print_graphs_format = NULL
int	auto_conversion_filters = 1
int64_t	stats_period = 500000
static int	file_overwrite = 0
static int	no_file_overwrite = 0
int	ignore_unknown_streams = 0
int	copy_unknown_streams = 0
int	recast_media = 0
static const OptionGroupDef	groups []
static const char *const	alt_channel_layout [] = { "ch_layout", NULL}
static const char *const	alt_codec [] = { "c", "acodec", "vcodec", "scodec", "dcodec", NULL }
static const char *const	alt_filter [] = { "af", "vf", NULL }
static const char *const	alt_frames [] = { "aframes", "vframes", "dframes", NULL }
static const char *const	alt_pre [] = { "apre", "vpre", "spre", NULL}
static const char *const	alt_qscale [] = { "q", NULL}
static const char *const	alt_tag [] = { "atag", "vtag", "stag", NULL }
const OptionDef	options []

Macro Definition Documentation

OPT_MATCH_PER_STREAM

#define OPT_MATCH_PER_STREAM	(		name,
			type,
			opt_type,
			m )

Value:

void opt_match_per_stream_ ## name(void *logctx, const SpecifierOptList *sol,           \
                                   AVFormatContext *fc, AVStream *st, type *out)        \
{                                                                                       \
    unsigned ret = opt_match_per_stream(logctx, opt_type, sol, fc, st);                 \
    if (ret > 0)                                                                        \
        *out = sol->opt[ret - 1].u.m;                                                   \
}

Definition at line 228 of file ffmpeg_opt.c.

OPT_MATCH_PER_STREAM_GROUP

#define OPT_MATCH_PER_STREAM_GROUP	(		name,
			type,
			opt_type,
			m )

Value:

void opt_match_per_stream_group_ ## name(void *logctx, const SpecifierOptList *sol,          \
                                         AVFormatContext *fc, AVStreamGroup *stg, type *out) \
{                                                                                            \
    unsigned ret = opt_match_per_stream_group(logctx, opt_type, sol, fc, stg);               \
    if (ret > 0)                                                                             \
        *out = sol->opt[ret - 1].u.m;                                                        \
}

Definition at line 292 of file ffmpeg_opt.c.

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(OptionsContext, x)

Definition at line 1551 of file ffmpeg_opt.c.

Referenced by do_decode(), osq_decode_block(), and osq_init().

Enumeration Type Documentation

OptGroup

enum OptGroup

Enumerator
GROUP_OUTFILE
GROUP_INFILE
GROUP_DECODER

Definition at line 1377 of file ffmpeg_opt.c.

Function Documentation

uninit_options()

static void uninit_options ( OptionsContext * o )

static

Definition at line 99 of file ffmpeg_opt.c.

Referenced by open_files().

init_options()

static void init_options ( OptionsContext * o )

static

Definition at line 135 of file ffmpeg_opt.c.

Referenced by open_files().

show_hwaccels()

static int show_hwaccels ( void * optctx, const char * opt, const char * arg )

static

Definition at line 153 of file ffmpeg_opt.c.

opt_match_per_type_str()

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

Definition at line 165 of file ffmpeg_opt.c.

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

opt_match_per_stream()

static unsigned opt_match_per_stream ( void * logctx, enum OptionType type, const SpecifierOptList * sol, AVFormatContext * fc, AVStream * st )

static

Definition at line 178 of file ffmpeg_opt.c.

opt_match_per_stream_group()

static unsigned opt_match_per_stream_group ( void * logctx, enum OptionType type, const SpecifierOptList * sol, AVFormatContext * fc, AVStreamGroup * stg )

static

Definition at line 242 of file ffmpeg_opt.c.

Referenced by opt_match_per_stream_group().

view_specifier_parse()

int view_specifier_parse	(	const char **	pspec,
		ViewSpecifier *	vs )

Definition at line 306 of file ffmpeg_opt.c.

Referenced by fg_complex_bind_input(), opt_map(), and view_specifier_parse().

parse_and_set_vsync()

int parse_and_set_vsync	(	const char *	arg,
		enum VideoSyncMethod *	vsync_var,
		int	file_idx,
		int	st_idx )

Definition at line 359 of file ffmpeg_opt.c.

Referenced by new_stream_video().

correct_input_start_times()

static void correct_input_start_times ( void )

static

Definition at line 374 of file ffmpeg_opt.c.

Referenced by ffmpeg_parse_options().

apply_sync_offsets()

static int apply_sync_offsets ( void )

static

Definition at line 411 of file ffmpeg_opt.c.

Referenced by ffmpeg_parse_options().

opt_filter_threads()

static int opt_filter_threads ( void * optctx, const char * opt, const char * arg )

static

Definition at line 463 of file ffmpeg_opt.c.

opt_abort_on()

static int opt_abort_on ( void * optctx, const char * opt, const char * arg )

static

Definition at line 470 of file ffmpeg_opt.c.

opt_stats_period()

static int opt_stats_period ( void * optctx, const char * opt, const char * arg )

static

Definition at line 489 of file ffmpeg_opt.c.

opt_audio_codec()

static int opt_audio_codec ( void * optctx, const char * opt, const char * arg )

static

Definition at line 507 of file ffmpeg_opt.c.

Referenced by opt_preset(), and opt_target().

opt_video_codec()

static int opt_video_codec ( void * optctx, const char * opt, const char * arg )

static

Definition at line 513 of file ffmpeg_opt.c.

Referenced by opt_preset(), and opt_target().

opt_subtitle_codec()

static int opt_subtitle_codec ( void * optctx, const char * opt, const char * arg )

static

Definition at line 519 of file ffmpeg_opt.c.

Referenced by opt_preset().

opt_data_codec()

static int opt_data_codec ( void * optctx, const char * opt, const char * arg )

static

Definition at line 525 of file ffmpeg_opt.c.

Referenced by opt_preset().

opt_map()

static int opt_map ( void * optctx, const char * opt, const char * arg )

static

Definition at line 531 of file ffmpeg_opt.c.

opt_attach()

static int opt_attach ( void * optctx, const char * opt, const char * arg )

static

Definition at line 679 of file ffmpeg_opt.c.

opt_sdp_file()

static int opt_sdp_file ( void * optctx, const char * opt, const char * arg )

static

Definition at line 693 of file ffmpeg_opt.c.

opt_init_hw_device()

static int opt_init_hw_device ( void * optctx, const char * opt, const char * arg )

static

Definition at line 731 of file ffmpeg_opt.c.

opt_filter_hw_device()

static int opt_filter_hw_device ( void * optctx, const char * opt, const char * arg )

static

Definition at line 746 of file ffmpeg_opt.c.

opt_recording_timestamp()

static int opt_recording_timestamp ( void * optctx, const char * opt, const char * arg )

static

Definition at line 760 of file ffmpeg_opt.c.

find_codec()

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

Definition at line 783 of file ffmpeg_opt.c.

Referenced by choose_decoder(), choose_encoder(), and ifile_open().

assert_file_overwrite()

int assert_file_overwrite

(

const char *

filename

)

Definition at line 816 of file ffmpeg_opt.c.

Referenced by dump_attachment(), and of_open().

opt_streamid()

static int opt_streamid ( void * optctx, const char * opt, const char * arg )

static

Definition at line 862 of file ffmpeg_opt.c.

opt_target()

static int opt_target ( void * optctx, const char * opt, const char * arg )

static

Definition at line 881 of file ffmpeg_opt.c.

opt_vstats_file()

static int opt_vstats_file ( void * optctx, const char * opt, const char * arg )

static

Definition at line 1024 of file ffmpeg_opt.c.

Referenced by opt_vstats().

opt_vstats()

static int opt_vstats ( void * optctx, const char * opt, const char * arg )

static

Definition at line 1031 of file ffmpeg_opt.c.

opt_video_frames()

static int opt_video_frames ( void * optctx, const char * opt, const char * arg )

static

Definition at line 1047 of file ffmpeg_opt.c.

opt_audio_frames()

static int opt_audio_frames ( void * optctx, const char * opt, const char * arg )

static

Definition at line 1053 of file ffmpeg_opt.c.

opt_data_frames()

static int opt_data_frames ( void * optctx, const char * opt, const char * arg )

static

Definition at line 1059 of file ffmpeg_opt.c.

opt_default_new()

static int opt_default_new ( OptionsContext * o, const char * opt, const char * arg )

static

Definition at line 1065 of file ffmpeg_opt.c.

Referenced by opt_preset().

opt_preset()

static int opt_preset ( void * optctx, const char * opt, const char * arg )

static

Definition at line 1085 of file ffmpeg_opt.c.

opt_old2new()

static int opt_old2new ( void * optctx, const char * opt, const char * arg )

static

Definition at line 1144 of file ffmpeg_opt.c.

opt_bitrate()

static int opt_bitrate ( void * optctx, const char * opt, const char * arg )

static

Definition at line 1156 of file ffmpeg_opt.c.

opt_qscale()

static int opt_qscale ( void * optctx, const char * opt, const char * arg )

static

Definition at line 1172 of file ffmpeg_opt.c.

opt_profile()

static int opt_profile ( void * optctx, const char * opt, const char * arg )

static

Definition at line 1189 of file ffmpeg_opt.c.

opt_video_filters()

static int opt_video_filters ( void * optctx, const char * opt, const char * arg )

static

Definition at line 1201 of file ffmpeg_opt.c.

opt_audio_filters()

static int opt_audio_filters ( void * optctx, const char * opt, const char * arg )

static

Definition at line 1207 of file ffmpeg_opt.c.

opt_timecode()

static int opt_timecode ( void * optctx, const char * opt, const char * arg )

static

Definition at line 1213 of file ffmpeg_opt.c.

opt_audio_qscale()

static int opt_audio_qscale ( void * optctx, const char * opt, const char * arg )

static

Definition at line 1227 of file ffmpeg_opt.c.

opt_filter_complex()

static int opt_filter_complex ( void * optctx, const char * opt, const char * arg )

static

Definition at line 1233 of file ffmpeg_opt.c.

show_help_default()

void show_help_default	(	const char *	opt,
		const char *	arg )

Per-fftool specific help handler.

Implemented in each fftool, called by show_help().

Definition at line 1253 of file ffmpeg_opt.c.

show_usage()

void show_usage

(

void

)

Definition at line 1370 of file ffmpeg_opt.c.

Referenced by main(), and show_help_default().

open_files()

static int open_files ( OptionGroupList * l, const char * inout, Scheduler * sch, int(* open_file )(const OptionsContext *, const char *, Scheduler *) )

static

Definition at line 1389 of file ffmpeg_opt.c.

Referenced by ffmpeg_parse_options().

ffmpeg_parse_options()

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

Definition at line 1424 of file ffmpeg_opt.c.

Referenced by main().

opt_progress()

static int opt_progress ( void * optctx, const char * opt, const char * arg )

static

Definition at line 1506 of file ffmpeg_opt.c.

opt_timelimit()

int opt_timelimit	(	void *	optctx,
		const char *	opt,
		const char *	arg )

Limit the execution time.

Definition at line 1523 of file ffmpeg_opt.c.

Variable Documentation

filter_hw_device

HWDevice* filter_hw_device

Definition at line 52 of file ffmpeg_opt.c.

Referenced by hw_device_for_filter(), and opt_filter_hw_device().

vstats_filename

char* vstats_filename

Definition at line 54 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 = 10

Definition at line 56 of file ffmpeg_opt.c.

Referenced by ts_discontinuity_detect().

dts_error_threshold

float dts_error_threshold = 3600*30

Definition at line 57 of file ffmpeg_opt.c.

Referenced by ts_discontinuity_detect(), and video_sync_process().

frame_drop_threshold

float frame_drop_threshold = 0

Definition at line 59 of file ffmpeg_opt.c.

Referenced by video_sync_process().

do_benchmark

int do_benchmark = 0

Definition at line 60 of file ffmpeg_opt.c.

Referenced by ffmpeg_cleanup(), and main().

do_benchmark_all

int do_benchmark_all = 0

Definition at line 61 of file ffmpeg_opt.c.

Referenced by update_benchmark().

do_hex_dump

int do_hex_dump = 0

Definition at line 62 of file ffmpeg_opt.c.

Referenced by input_thread().

do_pkt_dump

int do_pkt_dump = 0

Definition at line 63 of file ffmpeg_opt.c.

Referenced by input_thread().

copy_ts

int copy_ts = 0

Definition at line 64 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 = 0

Definition at line 65 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 = -1

Definition at line 66 of file ffmpeg_opt.c.

debug_ts

int debug_ts = 0

Definition at line 67 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 = 0

Definition at line 68 of file ffmpeg_opt.c.

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

abort_on_flags

int abort_on_flags = 0

Definition at line 69 of file ffmpeg_opt.c.

Referenced by check_written(), and opt_abort_on().

print_stats

int print_stats = -1

Definition at line 70 of file ffmpeg_opt.c.

Referenced by print_report(), sga_read_packet(), try_packet(), uninit(), uninit(), and uninit().

stdin_interaction

int stdin_interaction = 1

Definition at line 71 of file ffmpeg_opt.c.

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

max_error_rate

float max_error_rate = 2.0/3

Definition at line 72 of file ffmpeg_opt.c.

Referenced by decoder_thread().

filter_nbthreads

char* filter_nbthreads

Definition at line 73 of file ffmpeg_opt.c.

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

filter_complex_nbthreads

int filter_complex_nbthreads = 0

Definition at line 74 of file ffmpeg_opt.c.

Referenced by configure_filtergraph().

filter_buffered_frames

int filter_buffered_frames = 0

Definition at line 75 of file ffmpeg_opt.c.

Referenced by configure_filtergraph().

vstats_version

int vstats_version = 2

Definition at line 76 of file ffmpeg_opt.c.

Referenced by update_video_stats().

print_graphs

int print_graphs = 0

Definition at line 77 of file ffmpeg_opt.c.

Referenced by ffmpeg_cleanup(), filter_thread(), and print_filtergraphs_priv().

print_graphs_file

char* print_graphs_file = NULL

Definition at line 78 of file ffmpeg_opt.c.

Referenced by ffmpeg_cleanup(), filter_thread(), and print_filtergraphs_priv().

print_graphs_format

char* print_graphs_format = NULL

Definition at line 79 of file ffmpeg_opt.c.

Referenced by ffmpeg_cleanup(), and init_graphprint().

auto_conversion_filters

int auto_conversion_filters = 1

Definition at line 80 of file ffmpeg_opt.c.

Referenced by fg_create().

stats_period

int64_t stats_period = 500000

Definition at line 81 of file ffmpeg_opt.c.

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

file_overwrite

int file_overwrite = 0

static

Definition at line 84 of file ffmpeg_opt.c.

Referenced by assert_file_overwrite().

no_file_overwrite

int no_file_overwrite = 0

static

Definition at line 85 of file ffmpeg_opt.c.

Referenced by assert_file_overwrite().

ignore_unknown_streams

int ignore_unknown_streams = 0

Definition at line 86 of file ffmpeg_opt.c.

Referenced by map_manual().

copy_unknown_streams

int copy_unknown_streams = 0

Definition at line 87 of file ffmpeg_opt.c.

Referenced by map_manual().

recast_media

int recast_media = 0

Definition at line 88 of file ffmpeg_opt.c.

Referenced by choose_decoder(), and find_codec().

groups

const OptionGroupDef groups[]

static

Initial value:

= {
    [GROUP_OUTFILE] = { "output url",  NULL, OPT_OUTPUT },
    [GROUP_INFILE]  = { "input url",   "i",  OPT_INPUT },
    [GROUP_DECODER] = { "loopback decoder", "dec", OPT_DECODER },
}

Definition at line 1383 of file ffmpeg_opt.c.

Referenced by decode_delta_j(), ffmpeg_parse_options(), init_parse_context(), match_group_separator(), read_coeffs_coarse(), split_commandline(), and translate_shuffle().

alt_channel_layout

const char* const alt_channel_layout[] = { "ch_layout", NULL}

static

Definition at line 1543 of file ffmpeg_opt.c.

alt_codec

const char* const alt_codec[] = { "c", "acodec", "vcodec", "scodec", "dcodec", NULL }

static

Definition at line 1544 of file ffmpeg_opt.c.

alt_filter

const char* const alt_filter[] = { "af", "vf", NULL }

static

Definition at line 1545 of file ffmpeg_opt.c.

alt_frames

const char* const alt_frames[] = { "aframes", "vframes", "dframes", NULL }

static

Definition at line 1546 of file ffmpeg_opt.c.

alt_pre

const char* const alt_pre[] = { "apre", "vpre", "spre", NULL}

static

Definition at line 1547 of file ffmpeg_opt.c.

alt_qscale

const char* const alt_qscale[] = { "q", NULL}

static

Definition at line 1548 of file ffmpeg_opt.c.

alt_tag

const char* const alt_tag[] = { "atag", "vtag", "stag", NULL }

static

Definition at line 1549 of file ffmpeg_opt.c.

options

const OptionDef options[]

Definition at line 1552 of file ffmpeg_opt.c.