Implement Linux audio capturer.

remoting/host/audio_capturer_win.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_HOST_AUDIO_CAPTURER_WIN_H_
+#define REMOTING_HOST_AUDIO_CAPTURER_WIN_H_
+
 #include <audioclient.h>
 #include <mmdeviceapi.h>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/timer.h"
 #include "base/win/scoped_co_mem.h"
 #include "base/win/scoped_com_initializer.h"
 #include "base/win/scoped_comptr.h"
 #include "remoting/host/audio_capturer.h"
 #include "remoting/proto/audio.pb.h"
 
 namespace remoting {
 
 class AudioCapturerWin : public AudioCapturer {
  public:
   AudioCapturerWin();
   virtual ~AudioCapturerWin();
 
   // AudioCapturer interface.
   virtual bool Start(const PacketCapturedCallback& callback) OVERRIDE;
   virtual void Stop() OVERRIDE;
-  virtual bool IsRunning() OVERRIDE;
+  virtual bool IsStarted() OVERRIDE;
 
   static bool IsPacketOfSilence(const int16* samples, int number_of_samples);
 
  private:
   // Receives all packets from the audio capture endpoint buffer and pushes them
   // to the network.
   void DoCapture();
 
   PacketCapturedCallback callback_;
 
   AudioPacket::SamplingRate sampling_rate_;
 
   scoped_ptr<base::RepeatingTimer<AudioCapturerWin> > capture_timer_;
   base::TimeDelta audio_device_period_;
 
   base::win::ScopedCoMem<WAVEFORMATEX> wave_format_ex_;
   base::win::ScopedComPtr<IAudioCaptureClient> audio_capture_client_;
   base::win::ScopedComPtr<IAudioClient> audio_client_;
   base::win::ScopedComPtr<IMMDevice> mm_device_;
   scoped_ptr<base::win::ScopedCOMInitializer> com_initializer_;
 
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioCapturerWin);
 };
 
 }  // namespace remoting
+
+#endif  // REMOTING_HOST_AUDIO_CAPTURER_WIN_H_