windowsaudioinputdevice_nomixer.hh

流媒体传输协议的实现代码,非常有用.可以支持rtsp mms等流媒体传输协议

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FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
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// Copyright (c) 1996-2004 Live Networks, Inc.  All rights reserved.
// Windows implementation of a generic audio input device
// This version does not use Windows' built-in software mixer.
// C++ header
//
// To use this, call "AudioInputDevice::createNew()".
// You can also call "AudioInputDevice::getPortNames()" to get a list
// of port names. 

#ifndef _WINDOWS_AUDIO_INPUT_DEVICE_NOMIXER_HH
#define _WINDOWS_AUDIO_INPUT_DEVICE_NOMIXER_HH

#ifndef _WINDOWS_AUDIO_INPUT_DEVICE_COMMON_HH
#include "WindowsAudioInputDevice_common.hh"
#endif

class WindowsAudioInputDevice: public WindowsAudioInputDevice_common {
private:
  friend class AudioInputDevice;
  WindowsAudioInputDevice(UsageEnvironment& env, int inputPortNumber,
	unsigned char bitsPerSample, unsigned char numChannels,
	unsigned samplingFrequency, unsigned granularityInMS,
	Boolean& success);
	// called only by createNew()

  virtual ~WindowsAudioInputDevice();

  static void initializeIfNecessary();

private:
  // redefined virtual functions:
  virtual Boolean setInputPort(int portIndex);

private:
  static unsigned numAudioInputPorts;
  static class AudioInputPort* ourAudioInputPorts;
};

#endif