internal/pipewire: move Core wrapper methods under Core

These do not belong under Context, and is an early implementation limitation that carried over.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/pipewire/core.go

@@ -424,10 +424,10 @@ func (c *CoreHello) MarshalBinary() ([]byte, error) { return Marshal(c) }
 // UnmarshalBinary satisfies [encoding.BinaryUnmarshaler] via [Unmarshal].
 func (c *CoreHello) UnmarshalBinary(data []byte) error { return Unmarshal(data, c) }
 
-// coreHello queues a [CoreHello] message for the PipeWire server.
-// This method should not be called directly, the New function queues this message.
-func (ctx *Context) coreHello() error {
-	return ctx.writeMessage(
+// hello queues a [CoreHello] message for the PipeWire server.
+// This method should not be called directly, the [New] function queues this message.
+func (core *Core) hello() error {
+	return core.ctx.writeMessage(
 		PW_ID_CORE,
 		&CoreHello{PW_VERSION_CORE},
 	)
@@ -463,12 +463,12 @@ func (c *CoreSync) MarshalBinary() ([]byte, error) { return Marshal(c) }
 // UnmarshalBinary satisfies [encoding.BinaryUnmarshaler] via [Unmarshal].
 func (c *CoreSync) UnmarshalBinary(data []byte) error { return Unmarshal(data, c) }
 
-// coreSync queues a [CoreSync] message for the PipeWire server.
+// sync queues a [CoreSync] message for the PipeWire server.
 // This is not safe to use directly, callers should use Sync instead.
-func (ctx *Context) coreSync(id Int) error {
-	return ctx.writeMessage(
+func (core *Core) sync(id Int) error {
+	return core.ctx.writeMessage(
 		PW_ID_CORE,
-		&CoreSync{id, CoreSyncSequenceOffset + Int(ctx.sequence)},
+		&CoreSync{id, CoreSyncSequenceOffset + Int(core.ctx.sequence)},
 	)
 }
 
@@ -485,7 +485,7 @@ const (
 // Sync queues a [CoreSync] message for the PipeWire server and initiates a Roundtrip.
 func (core *Core) Sync() error {
 	core.done = false
-	if err := core.ctx.coreSync(roundtripSyncID); err != nil {
+	if err := core.sync(roundtripSyncID); err != nil {
 		return err
 	}
 	deadline := time.Now().Add(syncTimeout)

internal/pipewire/pipewire.go

@@ -122,7 +122,7 @@ func New(conn Conn, props SPADict) (*Context, error) {
 	}
 	ctx.nextId = Int(len(ctx.proxy))
 
-	if err := ctx.coreHello(); err != nil {
+	if err := ctx.core.hello(); err != nil {
 		return nil, err
 	}
 	if err := ctx.clientUpdateProperties(props); err != nil {