feat: Waku v2 bridge

Issue #12610

vendor/github.com/pion/rtp/depacketizer.go

@@ -0,0 +1,13 @@
+package rtp
+
+// Depacketizer depacketizes a RTP payload, removing any RTP specific data from the payload
+type Depacketizer interface {
+	Unmarshal(packet []byte) ([]byte, error)
+	// Checks if the packet is at the beginning of a partition.  This
+	// should return false if the result could not be determined, in
+	// which case the caller will detect timestamp discontinuities.
+	IsPartitionHead(payload []byte) bool
+	// Checks if the packet is at the end of a partition.  This should
+	// return false if the result could not be determined.
+	IsPartitionTail(marker bool, payload []byte) bool
+}