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/****************************************************************************
* *
* PrimeSense Sensor 5.x Alpha *
* Copyright (C) 2011 PrimeSense Ltd. *
* *
* This file is part of PrimeSense Sensor. *
* *
* PrimeSense Sensor is free software: you can redistribute it and/or modify*
* it under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* PrimeSense Sensor is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with PrimeSense Sensor. If not, see <http://www.gnu.org/licenses/>.*
* *
****************************************************************************/
#ifndef __XN_SENSOR_AUDIO_STREAM_H__
#define __XN_SENSOR_AUDIO_STREAM_H__
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include <XnDDK/XnAudioStream.h>
#include "XnSensorStreamHelper.h"
#include "XnSharedMemoryBufferPool.h"
//---------------------------------------------------------------------------
// Defines
//---------------------------------------------------------------------------
#define XN_AUDIO_STREAM_DEFAULT_VOLUME 12
#define XN_AUDIO_STREAM_DEFAULT_SAMPLE_RATE 48000
#define XN_AUDIO_STREAM_DEFAULT_NUMBER_OF_CHANNELS 2
#define XN_AUDIO_STREAM_DEFAULT_OUTPUT_FORMAT XN_OUTPUT_FORMAT_PCM
#define XN_AUDIO_STREAM_DEFAULT_CHUNK_SIZE 2120
//---------------------------------------------------------------------------
// XnSensorAudioStream class
//---------------------------------------------------------------------------
class XnSensorAudioStream : public XnAudioStream, public IXnSensorStream
{
public:
XnSensorAudioStream(const XnChar* strDeviceName, const XnChar* StreamName, XnSensorObjects* pObjects, XnBool bAllowOtherUsers);
~XnSensorAudioStream() { Free(); }
//---------------------------------------------------------------------------
// Overridden Methods
//---------------------------------------------------------------------------
XnStatus Init();
XnStatus Free();
XnStatus BatchConfig(const XnActualPropertiesHash& props) { return m_Helper.BatchConfig(props); }
inline XnSensorStreamHelper* GetHelper() { return &m_Helper; }
friend class XnAudioProcessor;
protected:
//---------------------------------------------------------------------------
// Overridden Methods
//---------------------------------------------------------------------------
XnStatus Open() { return m_Helper.Open(); }
XnStatus Close() { return m_Helper.Close(); }
XnStatus ConfigureStreamImpl();
XnStatus OpenStreamImpl();
XnStatus CloseStreamImpl();
XnStatus CreateDataProcessor(XnDataProcessor** ppProcessor);
XnStatus MapPropertiesToFirmware();
void GetFirmwareStreamConfig(XnResolutions* pnRes, XnUInt32* pnFPS) { *pnRes = XN_RESOLUTION_CUSTOM; *pnFPS = 0; }
XnSharedMemoryBufferPool* GetSharedMemoryBuffer() { return NULL; }
XnStatus WriteImpl(XnStreamData* /*pStreamData*/) { return XN_STATUS_DEVICE_UNSUPPORTED_MODE; }
XnStatus ReadImpl(XnStreamData* pStreamOutput);
XnStatus Mirror(XnStreamData* /*pStreamOutput*/) const { return XN_STATUS_OK; }
//---------------------------------------------------------------------------
// Setters
//---------------------------------------------------------------------------
XnStatus SetOutputFormat(XnOutputFormats nOutputFormat);
XnStatus SetLeftChannelVolume(XnUInt32 nVolume);
XnStatus SetRightChannelVolume(XnUInt32 nVolume);
XnStatus SetSampleRate(XnSampleRate nSampleRate);
XnStatus SetNumberOfChannels(XnUInt32 nNumberOfChannels);
XnStatus SetActualRead(XnBool bRead);
private:
XnStatus NewData();
XnStatus ReallocBuffer();
inline XnSensorFirmwareParams* GetFirmwareParams() const { return m_Helper.GetFirmware()->GetParams(); }
static XnStatus ConvertNumberOfChannelsToStereo(XnUInt64 nSource, XnUInt64* pnDest);
static XnStatus ConvertStereoToNumberOfChannels(XnUInt64 nSource, XnUInt64* pnDest);
static XnStatus ConvertSampleRateToFirmwareRate(XnUInt64 nSource, XnUInt64* pnDest);
static XnStatus ConvertFirmwareRateToSampleRate(XnUInt64 nSource, XnUInt64* pnDest);
static XnStatus XN_CALLBACK_TYPE SetLeftChannelVolumeCallback(XnActualIntProperty* pSender, XnUInt64 nValue, void* pCookie);
static XnStatus XN_CALLBACK_TYPE SetRightChannelVolumeCallback(XnActualIntProperty* pSender, XnUInt64 nValue, void* pCookie);
static XnStatus XN_CALLBACK_TYPE SetActualReadCallback(XnActualIntProperty* pSender, XnUInt64 nValue, void* pCookie);
static XnStatus XN_CALLBACK_TYPE NewDataCallback(void* pCookie);
//---------------------------------------------------------------------------
// Members
//---------------------------------------------------------------------------
XnSensorStreamHelper m_Helper;
const XnChar* m_strDeviceName;
XnBool m_bAllowOtherUsers;
XnActualStringProperty m_SharedBufferName;
XnActualIntProperty m_LeftChannelVolume;
XnActualIntProperty m_RightChannelVolume;
XnActualIntProperty m_ActualRead;
XnUInt32 m_nOrigAudioPacketSize;
XN_SHARED_MEMORY_HANDLE m_hSharedMemory;
XnAudioSharedBuffer* m_pSharedHeader;
XnUInt32 m_nFrameID;
};
#endif //__XN_SENSOR_AUDIO_STREAM_H__
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