internal/pipewire: seq access method for consume

This improves readability as the offset is not immediately obvious.

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

internal/pipewire/pipewire.go

@@ -628,6 +628,10 @@ func (ctx *Context) roundtrip() (err error) {
 	}
 }
 
+// currentSeq returns the current sequence number.
+// This must only be called from eventProxy.consume.
+func (ctx *Context) currentSeq() Int { return ctx.sequence - 1 }
+
 // currentRemoteSeq returns the current remote sequence number.
 // This must only be called from eventProxy.consume.
 func (ctx *Context) currentRemoteSeq() Int { return ctx.remoteSequence - 1 }