Metadata interface. More...

Files
file	metadata.h
	`pipewire/extensions/metadata.h`

Data Structures
struct	pw_metadata_events
	Metadata events More...

struct	pw_metadata_methods
	Metadata methods More...

struct	pw_metadata

Macros
#define	PW_TYPE_INTERFACE_Metadata PW_TYPE_INFO_INTERFACE_BASE "Metadata"

#define	PW_METADATA_PERM_MASK PW_PERM_RWX

#define	PW_VERSION_METADATA 3

#define	PW_API_METADATA_IMPL static inline

#define	PW_EXTENSION_MODULE_METADATA PIPEWIRE_MODULE_PREFIX "module-metadata"

#define	PW_METADATA_EVENT_PROPERTY 0

#define	PW_METADATA_EVENT_NUM 1

#define	PW_VERSION_METADATA_EVENTS 0

#define	PW_METADATA_METHOD_ADD_LISTENER 0

#define	PW_METADATA_METHOD_SET_PROPERTY 1

#define	PW_METADATA_METHOD_CLEAR 2

#define	PW_METADATA_METHOD_NUM 3

#define	PW_VERSION_METADATA_METHODS 0

#define	PW_KEY_METADATA_NAME "metadata.name"

#define	PW_KEY_METADATA_VALUES "metadata.values"

Functions
PW_API_METADATA_IMPL int	pw_metadata_add_listener (struct pw_metadata object, struct spa_hook listener, const struct pw_metadata_events events, void data)

PW_API_METADATA_IMPL int	pw_metadata_set_property (struct pw_metadata object, uint32_t subject, const char key, const char type, const char value)

PW_API_METADATA_IMPL int	pw_metadata_clear (struct pw_metadata *object)

Detailed Description

Metadata interface.

Macro Definition Documentation

◆ PW_TYPE_INTERFACE_Metadata

#define PW_TYPE_INTERFACE_Metadata PW_TYPE_INFO_INTERFACE_BASE "Metadata"

◆ PW_METADATA_PERM_MASK

#define PW_METADATA_PERM_MASK PW_PERM_RWX

◆ PW_VERSION_METADATA

#define PW_VERSION_METADATA 3

◆ PW_API_METADATA_IMPL

#define PW_API_METADATA_IMPL static inline

◆ PW_EXTENSION_MODULE_METADATA

#define PW_EXTENSION_MODULE_METADATA PIPEWIRE_MODULE_PREFIX "module-metadata"

◆ PW_METADATA_EVENT_PROPERTY

#define PW_METADATA_EVENT_PROPERTY 0

◆ PW_METADATA_EVENT_NUM

#define PW_METADATA_EVENT_NUM 1

◆ PW_VERSION_METADATA_EVENTS

#define PW_VERSION_METADATA_EVENTS 0

◆ PW_METADATA_METHOD_ADD_LISTENER

#define PW_METADATA_METHOD_ADD_LISTENER 0

◆ PW_METADATA_METHOD_SET_PROPERTY

#define PW_METADATA_METHOD_SET_PROPERTY 1

◆ PW_METADATA_METHOD_CLEAR

#define PW_METADATA_METHOD_CLEAR 2

◆ PW_METADATA_METHOD_NUM

#define PW_METADATA_METHOD_NUM 3

◆ PW_VERSION_METADATA_METHODS

#define PW_VERSION_METADATA_METHODS 0

◆ PW_KEY_METADATA_NAME

#define PW_KEY_METADATA_NAME "metadata.name"

◆ PW_KEY_METADATA_VALUES

#define PW_KEY_METADATA_VALUES "metadata.values"

Function Documentation

◆ pw_metadata_add_listener()

PW_API_METADATA_IMPL int pw_metadata_add_listener	(	struct pw_metadata *	object,
		struct spa_hook *	listener,
		const struct pw_metadata_events *	events,
		void *	data
	)

See also: pw_metadata_methods.add_listener

◆ pw_metadata_set_property()

PW_API_METADATA_IMPL int pw_metadata_set_property	(	struct pw_metadata *	object,
		uint32_t	subject,
		const char *	key,
		const char *	type,
		const char *	value
	)

See also: pw_metadata_methods.set_property

◆ pw_metadata_clear()

PW_API_METADATA_IMPL int pw_metadata_clear ( struct pw_metadata * object )

See also: pw_metadata_methods.clear

Files

Data Structures

Macros

Functions