pipewire/impl-metadata.h  
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| 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. 
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| 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. 
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| 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. 
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| 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. 
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| int | pw_impl_metadata_set_propertyf (struct pw_impl_metadata *metadata, uint32_t subject, const char *key, const char *type, const char *fmt,...) |