text: // 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_HOST_IPC_AUDIO_CAPTURER_H_
  #define REMOTING_HOST_IPC_AUDIO_CAPTURER_H_
  
  #include "base/basictypes.h"
  #include "base/memory/ref_counted.h"
  #include "base/memory/scoped_ptr.h"
  #include "base/threading/thread_checker.h"
  #include "remoting/host/audio_capturer.h"
  
  namespace remoting {
  
  class AudioPacket;
  class DesktopSessionProxy;
  
  class IpcAudioCapturer : public AudioCapturer {
   public:
    explicit IpcAudioCapturer(
        scoped_refptr<DesktopSessionProxy> desktop_session_proxy);
    virtual ~IpcAudioCapturer();
  
    // AudioCapturer interface.
    virtual bool Start(const PacketCapturedCallback& callback) OVERRIDE;
    virtual void Stop() OVERRIDE;
    virtual bool IsStarted() OVERRIDE;
  
    // Called by DesktopSessionProxy when an audio packet was received.
    void OnAudioPacket(scoped_ptr<AudioPacket> packet);
  
   private:
    // Invoked when an audio packet was received.
    PacketCapturedCallback callback_;
  
    // Wraps the IPC channel to the desktop session agent.
    scoped_refptr<DesktopSessionProxy> desktop_session_proxy_;
  
    base::ThreadChecker thread_checker_;
  
    DISALLOW_COPY_AND_ASSIGN(IpcAudioCapturer);
  };
  
  }  // namespace remoting
  
  #endif  // REMOTING_HOST_IPC_AUDIO_CAPTURER_H_
  