Added piping for sending audio packets from host to client.

remoting/host/screen_recorder.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "remoting/host/screen_recorder.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 262 matching lines @@
 void ScreenRecorder::VideoFrameSentCallback() {
   DCHECK(network_loop_->BelongsToCurrentThread());
 
   if (network_stopped_)
     return;
 
   capture_loop_->PostTask(
       FROM_HERE, base::Bind(&ScreenRecorder::DoFinishOneRecording, this));
 }
 
+void ScreenRecorder::DoSendAudioPacket(scoped_ptr<AudioPacket> packet) {
+  DCHECK(network_loop_->BelongsToCurrentThread());
+
+  if (network_stopped_ || connections_.empty())
+    return;
+
+  base::Closure callback = base::Bind(
+      &ScreenRecorder::AudioSamplesSentCallback, this);
+
+  connections_.front()->audio_stub()->ProcessAudioPacket(
+      packet.Pass(), callback);
+}
+
+void ScreenRecorder::AudioSamplesSentCallback() {
+  // TODO(kxing): continue sending audio packets
+}
+
 void ScreenRecorder::DoStopOnNetworkThread(const base::Closure& done_task) {
   DCHECK(network_loop_->BelongsToCurrentThread());
 
   // There could be tasks on the network thread when this method is being
   // executed. By setting the flag we'll not post anymore tasks from network
   // thread.
   //
   // After that a task is posted on encode thread to continue the stop
   // sequence.
   network_stopped_ = true;
@@ skipping 67 matching lines @@
     packet->set_encode_time_ms(encode_time_ms);
     scheduler_.RecordEncodeTime(encode_time);
   }
 
   network_loop_->PostTask(
       FROM_HERE, base::Bind(&ScreenRecorder::DoSendVideoPacket, this,
                             base::Passed(packet.Pass())));
 }
 
 }  // namespace remoting