From 357c92dee1538c5b4ca13b84731bd575648650f3 Mon Sep 17 00:00:00 2001
From: Jim Neuendorf <jim.neuendorf@i4h-tech.de>
Date: Wed, 18 Oct 2023 10:12:22 +0200
Subject: [PATCH] fix: Incorrect packet-deserialization bitmask

---
 lib/Packet.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Packet.ts b/lib/Packet.ts
index 4ad6792..9c92831 100644
--- a/lib/Packet.ts
+++ b/lib/Packet.ts
@@ -71,7 +71,7 @@ export class Packet {
     if ((buff[0] & 0xc0) >> 6 !== 2) {
       throw new Error(`invalid rtp packet ${buff[0] & 0xc0}`);
     }
-    const cc = buff[0] & 0x1f;
+    const cc = buff[0] & 0x0f;
     /* buff[1] = (M << 7 | PT) */
     const payloadType = buff[1] & 0x7f;
     /* buff[2, 3] = SN */