The metadata is used to store key/type/value pairs per object id. More...

Files
file	impl-metadata.h
	`pipewire/impl-metadata.h`

Data Structures
struct	pw_impl_metadata_events
	Metadata events, listen to them with pw_impl_metadata_add_listener. More...

struct	pw_impl_metadata

Macros
#define	PW_VERSION_IMPL_METADATA_EVENTS 0

Functions
struct pw_impl_metadata *	pw_context_create_metadata (struct pw_context context, const char name, struct pw_properties *properties, size_t user_data_size)

const struct pw_properties *	pw_impl_metadata_get_properties (struct pw_impl_metadata *metadata)
	Get the metadata properties.

int	pw_impl_metadata_register (struct pw_impl_metadata metadata, struct pw_properties properties)

void	pw_impl_metadata_destroy (struct pw_impl_metadata *metadata)

void *	pw_impl_metadata_get_user_data (struct pw_impl_metadata *metadata)

int	pw_impl_metadata_set_implementation (struct pw_impl_metadata metadata, struct pw_metadata impl)

struct pw_metadata *	pw_impl_metadata_get_implementation (struct pw_impl_metadata *metadata)

struct pw_global *	pw_impl_metadata_get_global (struct pw_impl_metadata *metadata)
	Get the global of this metadata.

void	pw_impl_metadata_add_listener (struct pw_impl_metadata metadata, struct spa_hook listener, const struct pw_impl_metadata_events events, void data)
	Add an event listener.

int	pw_impl_metadata_set_property (struct pw_impl_metadata metadata, uint32_t subject, const char key, const char type, const char value)
	Set a property.

int	pw_impl_metadata_set_propertyf (struct pw_impl_metadata metadata, uint32_t subject, const char key, const char type, const char fmt,...)

Detailed Description

The metadata is used to store key/type/value pairs per object id.

Macro Definition Documentation

◆ PW_VERSION_IMPL_METADATA_EVENTS

#define PW_VERSION_IMPL_METADATA_EVENTS 0

Function Documentation

◆ pw_context_create_metadata()

struct pw_impl_metadata * pw_context_create_metadata	(	struct pw_context *	context,
		const char *	name,
		struct pw_properties *	properties,
		size_t	user_data_size
	)

◆ pw_impl_metadata_get_properties()

const struct pw_properties * pw_impl_metadata_get_properties ( struct pw_impl_metadata * metadata )

Get the metadata properties.

◆ pw_impl_metadata_register()

int pw_impl_metadata_register	(	struct pw_impl_metadata *	metadata,
		struct pw_properties *	properties
	)

◆ pw_impl_metadata_destroy()

void pw_impl_metadata_destroy ( struct pw_impl_metadata * metadata )

◆ pw_impl_metadata_get_user_data()

void * pw_impl_metadata_get_user_data ( struct pw_impl_metadata * metadata )

◆ pw_impl_metadata_set_implementation()

int pw_impl_metadata_set_implementation	(	struct pw_impl_metadata *	metadata,
		struct pw_metadata *	impl
	)

◆ pw_impl_metadata_get_implementation()

struct pw_metadata * pw_impl_metadata_get_implementation ( struct pw_impl_metadata * metadata )

◆ pw_impl_metadata_get_global()

struct pw_global * pw_impl_metadata_get_global ( struct pw_impl_metadata * metadata )

Get the global of this metadata.

◆ pw_impl_metadata_add_listener()

void pw_impl_metadata_add_listener	(	struct pw_impl_metadata *	metadata,
		struct spa_hook *	listener,
		const struct pw_impl_metadata_events *	events,
		void *	data
	)

Add an event listener.

◆ pw_impl_metadata_set_property()

int pw_impl_metadata_set_property	(	struct pw_impl_metadata *	metadata,
		uint32_t	subject,
		const char *	key,
		const char *	type,
		const char *	value
	)

Set a property.

◆ pw_impl_metadata_set_propertyf()

int pw_impl_metadata_set_propertyf	(	struct pw_impl_metadata *	metadata,
		uint32_t	subject,
		const char *	key,
		const char *	type,
		const char *	fmt,
			...
	)

Files

Data Structures

Macros

Functions