From a6a9964346655963f7efb0e0c49a009fda020ef2 Mon Sep 17 00:00:00 2001
From: "mflodman@webrtc.org"
 <mflodman@webrtc.org@4adac7df-926f-26a2-2b94-8c16560cd09d>
Date: Fri, 30 Mar 2012 14:35:51 +0000
Subject: [PATCH] Updating the mtu.

Review URL: https://webrtc-codereview.appspot.com/470002

git-svn-id: http://webrtc.googlecode.com/svn/trunk@1962 4adac7df-926f-26a2-2b94-8c16560cd09d
---
 src/video_engine/vie_channel.cc | 7 ++++++-
 src/video_engine/vie_channel.h  | 3 +++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/video_engine/vie_channel.cc b/src/video_engine/vie_channel.cc
index 1d4878db6..1e89ac606 100644
--- a/src/video_engine/vie_channel.cc
+++ b/src/video_engine/vie_channel.cc
@@ -73,7 +73,8 @@ ViEChannel::ViEChannel(WebRtc_Word32 channel_id,
       effect_filter_(NULL),
       color_enhancement_(true),
       vcm_rttreported_(TickTime::Now()),
-      file_recorder_(channel_id) {
+      file_recorder_(channel_id),
+      mtu_(0) {
   WEBRTC_TRACE(kTraceMemory, kTraceVideo, ViEId(engine_id, channel_id),
                "ViEChannel::ViEChannel(channel_id: %d, engine_id: %d)",
                channel_id, engine_id);
@@ -312,6 +313,9 @@ WebRtc_Word32 ViEChannel::SetSendCodec(const VideoCodec& video_codec,
                      "%s: could not register payload type", __FUNCTION__);
         return -1;
       }
+      if (mtu_ != -1) {
+        rtp_rtcp->SetMaxTransferUnit(mtu_);
+      }
       if (restart_rtp) {
         rtp_rtcp->SetSendingStatus(true);
       }
@@ -1852,6 +1856,7 @@ WebRtc_Word32 ViEChannel::SetMTU(WebRtc_UWord16 mtu) {
     RtpRtcp* rtp_rtcp = *it;
     rtp_rtcp->SetMaxTransferUnit(mtu);
   }
+  mtu_ = mtu;
   return 0;
 }
 
diff --git a/src/video_engine/vie_channel.h b/src/video_engine/vie_channel.h
index 626418f3a..1b1816fe8 100644
--- a/src/video_engine/vie_channel.h
+++ b/src/video_engine/vie_channel.h
@@ -392,6 +392,9 @@ class ViEChannel
   TickTime vcm_rttreported_;
 
   ViEFileRecorder file_recorder_;
+
+  // User set MTU, -1 if not set.
+  uint16_t mtu_;
 };
 
 }  // namespace webrtc