25 #ifndef PIPEWIRE_EXT_METADATA_H 26 #define PIPEWIRE_EXT_METADATA_H 42 #define PW_TYPE_INTERFACE_Metadata PW_TYPE_INFO_INTERFACE_BASE "Metadata" 44 #define PW_VERSION_METADATA 3 47 #define PW_EXTENSION_MODULE_METADATA PIPEWIRE_MODULE_PREFIX "module-metadata" 49 #define PW_METADATA_EVENT_PROPERTY 0 50 #define PW_METADATA_EVENT_NUM 1 54 #define PW_VERSION_METADATA_EVENTS 0 64 #define PW_METADATA_METHOD_ADD_LISTENER 0 65 #define PW_METADATA_METHOD_SET_PROPERTY 1 66 #define PW_METADATA_METHOD_CLEAR 2 67 #define PW_METADATA_METHOD_NUM 3 71 #define PW_VERSION_METADATA_METHODS 0 89 #define pw_metadata_method(o,method,version,...) \ 91 int _res = -ENOTSUP; \ 92 spa_interface_call_res((struct spa_interface*)o, \ 93 struct pw_metadata_methods, _res, \ 94 method, version, ##__VA_ARGS__); \ 98 #define pw_metadata_add_listener(c,...) pw_metadata_method(c,add_listener,0,__VA_ARGS__) 99 #define pw_metadata_set_property(c,...) pw_metadata_method(c,set_property,0,__VA_ARGS__) 100 #define pw_metadata_clear(c) pw_metadata_method(c,clear,0) 102 #define PW_KEY_METADATA_NAME "metadata.name"
A hook, contains the structure with functions and the data passed to the functions.
Definition: hook.h:342