added LoopState.RepeatAgain() function

loopstate.go

@@ -7,6 +7,9 @@ import (
 	"strings"
 )
 
+// LoopState is an integer representing the amount of loops.
+// Specially handled values are LoopInfinite, LoopForced and LoopInvalid.
+// There is also the alias value LoopNo which is equal to 1
 type LoopState int
 
 const (
@@ -64,3 +67,8 @@ func (s LoopState) String() string {
 		return strconv.Itoa(int(s))
 	}
 }
+
+// RepeatAgain returns true if the song will be repeated again after the end of the song is reached
+func (s LoopState) RepeatAgain() bool {
+	return s == LoopInfinite || s == LoopForced || s > LoopNo
+}