- Created RemoteBitrateEstimator wrapper for use internally in (ViE) ChannelGroup.

- Changed implementation of SetReceiveAbsoluteSendTimeStatus API so the RBE instance is changed when at least one channel in a group has the extension enabled.

BUG=
R=mflodman@webrtc.org, stefan@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/1553005

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@4113 4adac7df-926f-26a2-2b94-8c16560cd09d

1 files changed, 30 insertions, 1 deletions

diff --git a/video_engine/vie_channel_manager.cc b/video_engine/vie_channel_manager.cc
index 6afa4ad2..3c121fe0 100644
--- a/video_engine/vie_channel_manager.cc
+++ b/video_engine/vie_channel_manager.cc
@@ -367,10 +367,39 @@ bool ViEChannelManager::SetRembStatus(int channel_id, bool sender,
   return group->SetChannelRembStatus(channel_id, sender, receiver, channel);
 }
 
+bool ViEChannelManager::SetReceiveAbsoluteSendTimeStatus(int channel_id,
+                                                         bool enable,
+                                                         int id) {
+  CriticalSectionScoped cs(channel_id_critsect_);
+  ViEChannel* channel = ViEChannelPtr(channel_id);
+  if (!channel) {
+    return false;
+  }
+  if (channel->SetReceiveAbsoluteSendTimeStatus(enable, id) != 0) {
+    return false;
+  }
+
+  // Enable absolute send time extension on the group if at least one of the
+  // channels use it.
+  ChannelGroup* group = FindGroup(channel_id);
+  assert(group);
+  bool any_enabled = false;
+  for (ChannelMap::const_iterator c_it = channel_map_.begin();
+       c_it != channel_map_.end(); ++c_it) {
+    if (group->HasChannel(c_it->first) &&
+        c_it->second->GetReceiveAbsoluteSendTimeStatus()) {
+      any_enabled = true;
+      break;
+    }
+  }
+  group->SetReceiveAbsoluteSendTimeStatus(any_enabled);
+  return true;
+}
+
 void ViEChannelManager::UpdateSsrcs(int channel_id,
                                     const std::list<unsigned int>& ssrcs) {
   CriticalSectionScoped cs(channel_id_critsect_);
-  ChannelGroup* channel_group =  FindGroup(channel_id);
+  ChannelGroup* channel_group = FindGroup(channel_id);
   if (channel_group == NULL) {
     return;
   }