hakurei/internal/pipewire/core.go

package pipewire

/* pipewire/core.h */

const (
	PW_TYPE_INTERFACE_Core     = PW_TYPE_INFO_INTERFACE_BASE + "Core"
	PW_TYPE_INTERFACE_Registry = PW_TYPE_INFO_INTERFACE_BASE + "Registry"
	PW_CORE_PERM_MASK          = PW_PERM_R | PW_PERM_X | PW_PERM_M
	PW_VERSION_CORE            = 4
	PW_VERSION_REGISTRY        = 3

	PW_DEFAULT_REMOTE = "pipewire-0"
	PW_ID_CORE        = 0
	PW_ID_ANY         = Word(0xffffffff)
)

const (
	PW_CORE_CHANGE_MASK_PROPS = 1 << iota

	PW_CORE_CHANGE_MASK_ALL = 1<<iota - 1
)

const (
	PW_CORE_EVENT_INFO = iota
	PW_CORE_EVENT_DONE
	PW_CORE_EVENT_PING
	PW_CORE_EVENT_ERROR
	PW_CORE_EVENT_REMOVE_ID
	PW_CORE_EVENT_BOUND_ID
	PW_CORE_EVENT_ADD_MEM
	PW_CORE_EVENT_REMOVE_MEM
	PW_CORE_EVENT_BOUND_PROPS
	PW_CORE_EVENT_NUM

	PW_VERSION_CORE_EVENTS = 1
)

const (
	PW_CORE_METHOD_ADD_LISTENER = iota
	PW_CORE_METHOD_HELLO
	PW_CORE_METHOD_SYNC
	PW_CORE_METHOD_PONG
	PW_CORE_METHOD_ERROR
	PW_CORE_METHOD_GET_REGISTRY
	PW_CORE_METHOD_CREATE_OBJECT
	PW_CORE_METHOD_DESTROY
	PW_CORE_METHOD_NUM

	PW_VERSION_CORE_METHODS = 0
)

const (
	PW_REGISTRY_EVENT_GLOBAL = iota
	PW_REGISTRY_EVENT_GLOBAL_REMOVE
	PW_REGISTRY_EVENT_NUM

	PW_VERSION_REGISTRY_EVENTS = 0
)

const (
	PW_REGISTRY_METHOD_ADD_LISTENER = iota
	PW_REGISTRY_METHOD_BIND
	PW_REGISTRY_METHOD_DESTROY
	PW_REGISTRY_METHOD_NUM

	PW_VERSION_REGISTRY_METHODS = 0
)

// CoreHello is the first message sent by a client.
type CoreHello struct {
	// version number of the client; PW_VERSION_CORE
	Version Int
}

// MarshalBinary satisfies [encoding.BinaryMarshaler] via [MarshalAppend].
func (c *CoreHello) MarshalBinary() ([]byte, error) { return MarshalAppend(make([]byte, 0, 24), c) }

// UnmarshalBinary satisfies [encoding.BinaryUnmarshaler] via [Unmarshal].
func (c *CoreHello) UnmarshalBinary(data []byte) error {
	_, err := Unmarshal(data, c)
	return err
}