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/*****************************************************************************
* *
* OpenNI 2.x Alpha *
* Copyright (C) 2012 PrimeSense Ltd. *
* *
* This file is part of OpenNI. *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* *
*****************************************************************************/
#ifndef __XN_AUDIO_STREAM_H__
#define __XN_AUDIO_STREAM_H__
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include <DDK/XnStreamingStream.h>
#include <XnCore.h>
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
/**
* Represents a default base implementation of an audio stream.
*/
class XnAudioStream : public XnStreamingStream
{
public:
XnAudioStream(const XnChar* csName, XnUInt32 nMaxNumberOfChannels);
~XnAudioStream() { Free(); }
//---------------------------------------------------------------------------
// Overridden Methods
//---------------------------------------------------------------------------
XnStatus Init();
//---------------------------------------------------------------------------
// Getters
//---------------------------------------------------------------------------
inline XnSampleRate GetSampleRate() const { return (XnSampleRate)m_SampleRate.GetValue(); }
inline XnUInt32 GetNumberOfChannels() const { return (XnUInt32)m_NumberOfChannels.GetValue(); }
protected:
//---------------------------------------------------------------------------
// Properties Getters
//---------------------------------------------------------------------------
inline XnActualIntProperty& SampleRateProperty() { return m_SampleRate; }
inline XnActualIntProperty& NumberOfChannelsProperty() { return m_NumberOfChannels; }
//---------------------------------------------------------------------------
// Setters
//---------------------------------------------------------------------------
virtual XnStatus SetSampleRate(XnSampleRate nSampleRate);
virtual XnStatus SetNumberOfChannels(XnUInt32 nNumberOfChannels);
XnStatus CalcRequiredSize(XnUInt32* pnRequiredSize) const;
private:
static XnStatus XN_CALLBACK_TYPE SetSampleRateCallback(XnActualIntProperty* pSender, XnUInt64 nValue, void* pCookie);
static XnStatus XN_CALLBACK_TYPE SetNumberOfChannelsCallback(XnActualIntProperty* pSender, XnUInt64 nValue, void* pCookie);
//---------------------------------------------------------------------------
// Members
//---------------------------------------------------------------------------
XnActualIntProperty m_SampleRate;
XnActualIntProperty m_NumberOfChannels;
XnUInt32 m_nMaxNumberOfChannels;
};
#endif //__XN_AUDIO_STREAM_H__
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