| // 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_ |