opt.h File Reference

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Detailed Description

AVOptions.

Definition in file opt.h.

Go to the source code of this file.

Classes
struct	AVOption
	AVOption. More...
Enumerations
enum	AVOptionType {   FF_OPT_TYPE_FLAGS, FF_OPT_TYPE_INT, FF_OPT_TYPE_INT64, FF_OPT_TYPE_DOUBLE,   FF_OPT_TYPE_FLOAT, FF_OPT_TYPE_STRING, FF_OPT_TYPE_RATIONAL, FF_OPT_TYPE_CONST = 128 }
Functions
const AVOption *	av_find_opt (void *obj, const char *name, const char *unit, int mask, int flags)
const AVOption *	av_set_string (void *obj, const char *name, const char *val)
const AVOption *	av_set_double (void *obj, const char *name, double n)
const AVOption *	av_set_q (void *obj, const char *name, AVRational n)
const AVOption *	av_set_int (void *obj, const char *name, int64_t n)
double	av_get_double (void *obj, const char *name, const AVOption **o_out)
AVRational	av_get_q (void *obj, const char *name, const AVOption **o_out)
int64_t	av_get_int (void *obj, const char *name, const AVOption **o_out)
const char *	av_get_string (void *obj, const char *name, const AVOption **o_out, char *buf, int buf_len)
const AVOption *	av_next_option (void *obj, const AVOption *last)
int	av_opt_show (void *obj, void *av_log_obj)
void	av_opt_set_defaults (void *s)
void	av_opt_set_defaults2 (void *s, int mask, int flags)
	Set the values of the AVCodecContext or AVFormatContext structure.

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Enumeration Type Documentation

enum AVOptionType

Enumerator:

FF_OPT_TYPE_FLAGS
FF_OPT_TYPE_INT
FF_OPT_TYPE_INT64
FF_OPT_TYPE_DOUBLE
FF_OPT_TYPE_FLOAT
FF_OPT_TYPE_STRING
FF_OPT_TYPE_RATIONAL
FF_OPT_TYPE_CONST

Definition at line 32 of file opt.h.

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Function Documentation

const AVOption* av_find_opt	(	void *	obj,
		const char *	name,
		const char *	unit,
		int	mask,
		int	flags
	)

Definition at line 33 of file opt.c.

Referenced by av_get_number(), av_get_string(), av_set_number(), and av_set_string().

const AVOption* av_set_string	(	void *	obj,
		const char *	name,
		const char *	val
	)

Definition at line 110 of file opt.c.

const AVOption* av_set_double	(	void *	obj,
		const char *	name,
		double	n
	)

Definition at line 166 of file opt.c.

Referenced by av_opt_set_defaults2().

const AVOption* av_set_q	(	void *	obj,
		const char *	name,
		AVRational	n
	)

Definition at line 170 of file opt.c.

Referenced by av_opt_set_defaults2().

const AVOption* av_set_int	(	void *	obj,
		const char *	name,
		int64_t	n
	)

Definition at line 174 of file opt.c.

Referenced by av_opt_set_defaults2().

double av_get_double	(	void *	obj,
		const char *	name,
		const AVOption **	o_out
	)

Definition at line 234 of file opt.c.

AVRational av_get_q	(	void *	obj,
		const char *	name,
		const AVOption **	o_out
	)

Definition at line 243 of file opt.c.

int64_t av_get_int	(	void *	obj,
		const char *	name,
		const AVOption **	o_out
	)

Definition at line 255 of file opt.c.

Referenced by av_set_string(), and set_all_opt().

const char* av_get_string	(	void *	obj,
		const char *	name,
		const AVOption **	o_out,
		char *	buf,
		int	buf_len
	)

Parameters:

	buf	a buffer which is used for returning non string values as strings, can be NULL
	buf_len	allocated length in bytes of buf

Definition at line 183 of file opt.c.

const AVOption* av_next_option	(	void *	obj,
		const AVOption *	last
	)

Definition at line 44 of file opt.c.

Referenced by av_opt_set_defaults2(), and opt_list().

int av_opt_show	(	void *	obj,
		void *	av_log_obj
	)

Definition at line 330 of file opt.c.

void av_opt_set_defaults

(

void *

s

)

Definition at line 385 of file opt.c.

Referenced by avformat_get_context_defaults().

void av_opt_set_defaults2	(	void *	s,
		int	mask,
		int	flags
	)

Set the values of the AVCodecContext or AVFormatContext structure.

They are set to the defaults specified in the according AVOption options array default_val field.

Parameters:

s

AVCodecContext or AVFormatContext for which the defaults will be set

Definition at line 347 of file opt.c.

Referenced by av_opt_set_defaults(), and avcodec_get_context_defaults2().