From 100463e8281e3fc99d84cf00410b45209b069ce5 Mon Sep 17 00:00:00 2001
From: "asapersson@webrtc.org"
 <asapersson@webrtc.org@4adac7df-926f-26a2-2b94-8c16560cd09d>
Date: Thu, 28 Jun 2012 07:21:51 +0000
Subject: [PATCH] Added initial nack configuration for rtp module. Review URL:
 https://webrtc-codereview.appspot.com/677007

git-svn-id: http://webrtc.googlecode.com/svn/trunk@2453 4adac7df-926f-26a2-2b94-8c16560cd09d
---
 src/video_engine/vie_channel.cc | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/video_engine/vie_channel.cc b/src/video_engine/vie_channel.cc
index 57b15a086e..42101e0a26 100644
--- a/src/video_engine/vie_channel.cc
+++ b/src/video_engine/vie_channel.cc
@@ -221,6 +221,8 @@ WebRtc_Word32 ViEChannel::SetSendCodec(const VideoCodec& video_codec,
     restart_rtp = true;
     rtp_rtcp_->SetSendingStatus(false);
   }
+  NACKMethod nack_method = rtp_rtcp_->NACK();
+
   CriticalSectionScoped cs(rtp_rtcp_cs_.get());
 
   if (video_codec.numberOfSimulcastStreams > 0) {
@@ -246,6 +248,10 @@ WebRtc_Word32 ViEChannel::SetSendCodec(const VideoCodec& video_codec,
         WEBRTC_TRACE(kTraceWarning, kTraceVideo, ViEId(engine_id_, channel_id_),
                      "%s: RTP::SetRTCPStatus failure", __FUNCTION__);
       }
+      if (nack_method != kNackOff) {
+        rtp_rtcp->SetStorePacketsStatus(true, kNackHistorySize);
+        rtp_rtcp->SetNACKStatus(nack_method);
+      }
       simulcast_rtp_rtcp_.push_back(rtp_rtcp);
     }
     // Remove last in list if we have too many.
@@ -561,6 +567,7 @@ WebRtc_Word32 ViEChannel::ProcessNACKRequest(const bool enable) {
          it++) {
       RtpRtcp* rtp_rtcp = *it;
       rtp_rtcp->SetStorePacketsStatus(true, kNackHistorySize);
+      rtp_rtcp->SetNACKStatus(nackMethod);
     }
   } else {
     CriticalSectionScoped cs(rtp_rtcp_cs_.get());
@@ -569,6 +576,7 @@ WebRtc_Word32 ViEChannel::ProcessNACKRequest(const bool enable) {
          it++) {
       RtpRtcp* rtp_rtcp = *it;
       rtp_rtcp->SetStorePacketsStatus(false);
+      rtp_rtcp->SetNACKStatus(kNackOff);
     }
     rtp_rtcp_->SetStorePacketsStatus(false);
     vcm_.RegisterPacketRequestCallback(NULL);