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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_DEVICE_FILE_READER_H__
#define __XN_DEVICE_FILE_READER_H__
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include "XnDeviceFile.h"
#include <XnDDK/XnStreamReaderDevice.h>
#include <XnIOFileStream.h>
#include <XnHash.h>
#define XN_FILE_PROPERTY_INSTANCE_POINTER "InstancePointer"
//---------------------------------------------------------------------------
// Types
//---------------------------------------------------------------------------
struct XnFileBCData;
XN_DECLARE_DEFAULT_HASH(XnUInt64, XnValue, XnUIntHash);
class XnDeviceFileReader : public XnStreamReaderDevice
{
public:
XnDeviceFileReader();
~XnDeviceFileReader();
XnStatus Seek(XnUInt64 nTimestamp);
XnStatus SeekFrame(XnUInt32 nFrameID);
XnStatus ReadNextData();
protected:
XnStatus InitImpl(const XnDeviceConfig* pDeviceConfig);
virtual XnStatus CreateIOStreamImpl(const XnChar* strConnectionString, XnIOStream*& pStream);
virtual void DestroyIOStreamImpl(XnIOStream* pStream);
virtual XnStatus CreateDeviceModule(XnDeviceModuleHolder** ppModuleHolder);
virtual XnStatus ReadInitialState(XnPropertySet* pSet);
virtual XnStatus HandleStreamRemoved(const XnChar* strName);
virtual XnStatus HandleIntProperty(const XnChar* strModule, const XnChar* strName, XnUInt64 nValue);
virtual XnStatus HandleStreamData(XnStreamData* pDataProps, XnCompressionFormats nCompression, XnUInt32 nCompressedSize);
virtual XnStatus HandleEndOfStream();
XnStatus WaitForPrimaryStream(XN_EVENT_HANDLE hNewDataEvent, XnStreamDataSet* pSet);
XnStatus WaitForStream(XN_EVENT_HANDLE hNewDataEvent, XnDeviceStream* pStream);
inline XnIOFileStream* GetIOStream() { return (XnIOFileStream*)XnStreamReaderDevice::GetIOStream(); }
private:
XnStatus Rewind();
XnStatus ReadFileVersion();
XnStatus ReadTillNextData(XnBool* pbWrapOccurred);
void FrameDelay(XnUInt64 nTimestamp);
XnStatus SeekTo(XnUInt64 nMinTimestamp, XnUInt32 nMinFrameID);
XnStatus OnStreamCollectionChanged(const XnChar* StreamName, XnStreamsChangeEventType EventType);
static void XN_CALLBACK_TYPE StreamCollectionChangedCallback(XnDeviceHandle DeviceHandle, const XnChar* StreamName, XnStreamsChangeEventType EventType, void* pCookie);
static XnStatus XN_CALLBACK_TYPE GetInstanceCallback(const XnGeneralProperty* pSender, const XnGeneralBuffer& gbValue, void* pCookie);
// Some BC functions
XnStatus BCSeek(XnUInt64 nTimestamp);
XnStatus BCSeekFrame(XnUInt32 nFrameID);
XnStatus BCInit();
XnStatus BCCalculatePackedBufferSize();
XnStatus BCReadInitialState(XnPropertySet* pSet);
XnStatus BCReadFrame(XnBool* pbRewind);
XnStatus BCDestroy();
XnBool m_bFileHasData;
XnBool m_bStreamsCollectionChanged;
XnUInt32 m_nFileVersion;
XnUInt64 m_nReferenceTime;
XnUInt64 m_nReferenceTimestamp;
XnOSTimer m_FrameDelayTimer;
XnActualIntProperty m_FrameDelay;
XnFileBCData* m_pBCData;
XnUIntHash m_PositionsToIgnore;
XnGeneralProperty m_InstancePointer;
};
#endif //__XN_DEVICE_FILE_READER_H__
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