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/****************************************************************************
* *
* OpenNI 1.x Alpha *
* Copyright (C) 2011 PrimeSense Ltd. *
* *
* This file is part of OpenNI. *
* *
* OpenNI 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. *
* *
* OpenNI 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 OpenNI. If not, see <http://www.gnu.org/licenses/>. *
* *
****************************************************************************/
#ifndef __RECORDER_NODE_H__
#define __RECORDER_NODE_H__
#include <XnModuleCppInterface.h>
#include <XnStringsHashT.h>
#include <DataRecords.h>
class Record;
class RecorderNode : public xn::ModuleRecorder
{
public:
RecorderNode(xn::Context &context);
virtual ~RecorderNode();
//public functions
virtual XnStatus Init();
virtual XnStatus Destroy();
//xn::ModuleRecorder implementation
virtual XnStatus SetOutputStream(void* pStreamToken, XnRecorderOutputStreamInterface* pStream);
virtual XnStatus OnNodeAdded(const XnChar* strNodeName, XnProductionNodeType type, XnCodecID compression);
virtual XnStatus OnNodeRemoved(const XnChar* strNodeName);
virtual XnStatus OnNodeIntPropChanged(const XnChar* strNodeName, const XnChar* strPropName, XnUInt64 nValue);
virtual XnStatus OnNodeRealPropChanged(const XnChar* strNodeName, const XnChar* strPropName, XnDouble dValue);
virtual XnStatus OnNodeStringPropChanged(const XnChar* strNodeName, const XnChar* strPropName, const XnChar* strValue);
virtual XnStatus OnNodeStateReady(const XnChar* strNodeName);
virtual XnStatus OnNodeGeneralPropChanged(const XnChar* strNodeName, const XnChar* strPropName, XnUInt32 nBufferSize, const void* pBuffer);
virtual XnStatus OnNodeNewData(const XnChar* strNodeName, XnUInt64 nTimeStamp, XnUInt32 nFrame, const void* pData, XnUInt32 nSize);
private:
struct RecordedNodePropInfo
{
RecordedNodePropInfo() { Reset(); }
void Reset()
{
nPos = 0;
}
XnUInt64 nPos; //Position in stream of record that did this property change
};
typedef XnStringsHashT<RecordedNodePropInfo> RecordedNodePropInfoMap;
typedef XnListT<DataIndexEntry> DataIndexEntryList;
struct RecordedNodeInfo
{
RecordedNodeInfo();
void Reset();
XnUInt32 nNodeID;
XnProductionNodeType type;
XnUInt64 nNodeAddedPos;
XnUInt32 nMaxFrameNum;
XnUInt32 nCurFrameNum;
XnUInt64 nMinTimeStamp;
XnUInt64 nMaxTimeStamp;
XnBool bGotData;
XnCodecID compression;
xn::Codec codec;
RecordedNodePropInfoMap propInfoMap;
DataIndexEntryList dataIndex;
};
typedef XnStringsHashT<RecordedNodeInfo> RecordedNodesInfo;
XnStatus OpenStream();
XnStatus WriteHeader(XnUInt64 nGlobalMaxTimeStamp, XnUInt32 nMaxNodeID);
XnStatus WriteToStream(const XnChar* strNodeName, const void* pData, XnUInt32 nSize);
XnStatus WriteRecordToStream(const XnChar* strNodeName, Record &record);
XnStatus SeekStream(XnOSSeekType seekType, XnUInt64 nOffset);
XnUInt64 TellStream();
XnStatus FinalizeStream();
XnStatus CloseStream();
XnStatus WriteNodeDataBegin(const XnChar* strNodeName);
XnStatus UpdateNodeSeekInfo(const XnChar* strNodeName, const RecordedNodeInfo& recordedNodeInfo);
XnStatus RemoveNode(const XnChar* strNodeName);
//UpdateNodePropInfo() returns, in nUndoPos, the position in the file you should read to undo the property update.
XnStatus UpdateNodePropInfo(const XnChar* strNodeName, const XnChar* strPropName, RecordedNodeInfo*& pRecordedNodeInfo, XnUInt64& nUndoPos);
RecordedNodeInfo* GetRecordedNodeInfo(const XnChar* strNodeName);
static const XnUInt32 RECORD_MAX_SIZE;
static const XnUInt32 PAYLOAD_DATA_SIZE;
XnBool m_bOpen;
XnUInt8* m_pRecordBuffer;
XnUInt8* m_pPayloadData;
void* m_pStreamCookie;
XnRecorderOutputStreamInterface* m_pOutputStream;
RecordedNodesInfo m_recordedNodesInfo;
xn::Context m_context;
XnUInt64 m_nGlobalStartTimeStamp;
XnUInt64 m_nGlobalMaxTimeStamp;
XnUInt32 m_nNumNodes;
XnUInt32 m_nConfigurationID;
};
#endif //__RECORDER_NODE_H__
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