feat: Waku v2 bridge

Issue #12610

vendor/github.com/status-im/status-go/protocol/audio/type.go

@@ -0,0 +1,29 @@
+package audio
+
+import (
+	"github.com/status-im/status-go/protocol/protobuf"
+)
+
+func aac(buf []byte) bool {
+	return len(buf) > 1 &&
+		((buf[0] == 0xFF && buf[1] == 0xF1) ||
+			(buf[0] == 0xFF && buf[1] == 0xF9))
+}
+
+func amr(buf []byte) bool {
+	return len(buf) > 11 &&
+		buf[0] == 0x23 && buf[1] == 0x21 &&
+		buf[2] == 0x41 && buf[3] == 0x4D &&
+		buf[4] == 0x52 && buf[5] == 0x0A
+}
+
+func Type(buf []byte) protobuf.AudioMessage_AudioType {
+	switch {
+	case aac(buf):
+		return protobuf.AudioMessage_AAC
+	case amr(buf):
+		return protobuf.AudioMessage_AMR
+	default:
+		return protobuf.AudioMessage_UNKNOWN_AUDIO_TYPE
+	}
+}