Added piping for sending audio packets from host to client.

remoting/protocol/connection_to_host.h

 // 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.
 
 #ifndef REMOTING_PROTOCOL_CONNECTION_TO_HOST_H_
 #define REMOTING_PROTOCOL_CONNECTION_TO_HOST_H_
 
 #include <string>
 
 #include "base/callback_forward.h"
@@ skipping 13 matching lines @@
 class Instance;
 }  // namespace pp
 
 namespace remoting {
 
 class XmppProxy;
 class VideoPacket;
 
 namespace protocol {
 
+class AudioReader;
+class AudioStub;
 class Authenticator;
 class ClientControlDispatcher;
 class ClientEventDispatcher;
 class ClientStub;
 class ClipboardStub;
 class HostStub;
 class InputStub;
 class SessionConfig;
 class TransportFactory;
 class VideoReader;
@@ skipping 23 matching lines @@
 
   virtual void Connect(scoped_refptr<XmppProxy> xmpp_proxy,
                        const std::string& local_jid,
                        const std::string& host_jid,
                        const std::string& host_public_key,
                        scoped_ptr<TransportFactory> transport_factory,
                        scoped_ptr<Authenticator> authenticator,
                        HostEventCallback* event_callback,
                        ClientStub* client_stub,
                        ClipboardStub* clipboard_stub,
-                       VideoStub* video_stub);
+                       VideoStub* video_stub,
+                       AudioStub* audio_stub);
 
   virtual void Disconnect(const base::Closure& shutdown_task);
 
   virtual const SessionConfig& config();
 
   // Stubs for sending data to the host.
   virtual ClipboardStub* clipboard_stub();
   virtual HostStub* host_stub();
   virtual InputStub* input_stub();
 
@@ skipping 22 matching lines @@
 
   void NotifyIfChannelsReady();
 
   void CloseOnError(ErrorCode error);
 
   // Stops writing in the channels.
   void CloseChannels();
 
   void SetState(State state, ErrorCode error);
 
+  bool AudioEnabled();

[Wez, 2012/06/22 18:29:53]

nit: Get rid of this and replace the call-sites with
config()->is_audio_enabled()?

[kxing, 2012/06/22 19:12:31]

Done.

+
   bool allow_nat_traversal_;
 
   std::string host_jid_;
   std::string host_public_key_;
   scoped_ptr<Authenticator> authenticator_;
 
   HostEventCallback* event_callback_;
 
   // Stub for incoming messages.
   ClientStub* client_stub_;
   ClipboardStub* clipboard_stub_;
   VideoStub* video_stub_;
+  AudioStub* audio_stub_;
 
   scoped_ptr<SignalStrategy> signal_strategy_;
   scoped_ptr<SessionManager> session_manager_;
   scoped_ptr<Session> session_;
 
   scoped_ptr<VideoReader> video_reader_;
+  scoped_ptr<AudioReader> audio_reader_;
   scoped_ptr<ClientControlDispatcher> control_dispatcher_;
   scoped_ptr<ClientEventDispatcher> event_dispatcher_;
   ClipboardFilter clipboard_forwarder_;
   InputFilter event_forwarder_;
 
   // Internal state of the connection.
   State state_;
   ErrorCode error_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ConnectionToHost);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_CONNECTION_TO_HOST_H_