Added piping for sending audio packets from host to client.

remoting/protocol/audio_reader.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/protocol/audio_reader.h"
 
 #include "base/bind.h"
 #include "net/socket/stream_socket.h"
 #include "remoting/base/constants.h"
 #include "remoting/protocol/session.h"
 #include "remoting/protocol/session_config.h"
 
 namespace remoting {
 namespace protocol {
 
 AudioReader::AudioReader(AudioPacket::Encoding encoding)
     : session_(NULL),
       encoding_(encoding),
       audio_stub_(NULL) {
 }
 
 AudioReader::~AudioReader() {
   if (session_)
     session_->CancelChannelCreation(kAudioChannelName);
 }
 
 // static
 scoped_ptr<AudioReader> AudioReader::Create(const SessionConfig& config) {
+  if (!config.is_audio_enabled())
+    return scoped_ptr<AudioReader>(NULL);
   // TODO(kxing): Support different session configurations.
   return scoped_ptr<AudioReader>(new AudioReader(AudioPacket::ENCODING_RAW));
 }
 
 void AudioReader::Init(protocol::Session* session,
                                AudioStub* audio_stub,
                                const InitializedCallback& callback) {
   session_ = session;
   initialized_callback_ = callback;
   audio_stub_ = audio_stub;
@@ skipping 20 matching lines @@
   initialized_callback_.Run(true);
 }
 
 void AudioReader::OnNewData(scoped_ptr<AudioPacket> packet,
                                     const base::Closure& done_task) {
   audio_stub_->ProcessAudioPacket(packet.Pass(), done_task);
 }
 
 }  // namespace protocol
 }  // namespace remoting