From 2416d50b48d564d27c27a55fc424eedee311de74 Mon Sep 17 00:00:00 2001
From: Jeremy Lainé <jeremy.laine@m4x.org>
Date: Wed, 28 Feb 2018 00:32:35 +0100
Subject: Fix encoding / decoding of CSRC count in RTP packets

---
 src/base/QXmppRtpPacket.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/base/QXmppRtpPacket.cpp')

diff --git a/src/base/QXmppRtpPacket.cpp b/src/base/QXmppRtpPacket.cpp
index 4f1ed17b..558086a2 100644
--- a/src/base/QXmppRtpPacket.cpp
+++ b/src/base/QXmppRtpPacket.cpp
@@ -101,7 +101,7 @@ bool QXmppRtpPacket::decode(const QByteArray &ba)
     quint8 tmp;
     QDataStream stream(ba);
     stream >> tmp;
-    const quint8 cc = (tmp >> 1) & 0xf;
+    const quint8 cc = (tmp & 0xf);
     const int hlen = 12 + 4 * cc;
     if ((tmp >> 6) != RTP_VERSION || ba.size() < hlen)
         return false;
@@ -136,7 +136,7 @@ QByteArray QXmppRtpPacket::encode() const
     ba.resize(d->payload.size() + 12 + 4 * d->csrc.size());
     QDataStream stream(&ba, QIODevice::WriteOnly);
     stream << quint8((RTP_VERSION << 6) |
-                     ((d->csrc.size() & 0xf) << 1));
+                     (d->csrc.size() & 0xf));
     stream << quint8((d->type & 0x7f) | (d->marker << 7));
     stream << d->sequence;
     stream << d->stamp;
-- 
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