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// 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/threading/thread_checker.h"
#include "base/timer/timer.h"
#include "base/win/scoped_co_mem.h"
#include "base/win/scoped_comptr.h"
#include "remoting/host/audio_capturer.h"
#include "remoting/host/audio_silence_detector.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 IsStarted() OVERRIDE;
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_;
AudioSilenceDetector silence_detector_;
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_;
HRESULT last_capture_error_;
base::ThreadChecker thread_checker_;
DISALLOW_COPY_AND_ASSIGN(AudioCapturerWin);
};
} // namespace remoting
#endif // REMOTING_HOST_AUDIO_CAPTURER_WIN_H_
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