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)
	Set a metadata property.

PW_API_METADATA_IMPL int	pw_metadata_clear (struct pw_metadata *object)
	Clear all metadata.

Detailed Description

Data Structures