remove StreamType from base

streamtype.go

@@ -1,16 +1,25 @@
 package gortsplib
 
-import (
-	"github.com/aler9/gortsplib/pkg/base"
-)
-
-// StreamType is the stream type.
-type StreamType = base.StreamType
+// StreamType is a stream type.
+type StreamType int
 
 const (
 	// StreamTypeRTP means that the stream contains RTP packets
-	StreamTypeRTP StreamType = base.StreamTypeRTP
+	StreamTypeRTP StreamType = iota
 
 	// StreamTypeRTCP means that the stream contains RTCP packets
-	StreamTypeRTCP StreamType = base.StreamTypeRTCP
+	StreamTypeRTCP
 )
+
+var streamTypeLabels = map[StreamType]string{
+	StreamTypeRTP:  "RTP",
+	StreamTypeRTCP: "RTCP",
+}
+
+// String implements fmt.Stringer
+func (st StreamType) String() string {
+	if l, ok := streamTypeLabels[st]; ok {
+		return l
+	}
+	return "unknown"
+}