Method SeekToTimeStampAbsolute

Source/Modules/nimRecorder/PlayerNode.cpp:1537–1642

}

XnStatus PlayerNode::SeekToTimeStampAbsolute(XnUInt64 nDestTimeStamp)
{
	XnStatus nRetVal = XN_STATUS_OK;
	XnUInt64 nRecordTimeStamp = 0LL;
	XnUInt64 nStartPos = TellStream(); //We'll revert to this in case nDestTimeStamp is beyond end of stream
	XN_IS_STATUS_OK(nRetVal);

	if (nDestTimeStamp < m_nTimeStamp)
	{
		nRetVal = Rewind();
	}
	else if (nDestTimeStamp == m_nTimeStamp)
	{
		//Nothing to do
		return XN_STATUS_OK;
	}
	else if (nDestTimeStamp > m_nGlobalMaxTimeStamp)
	{
		nDestTimeStamp = m_nGlobalMaxTimeStamp;
	}

	Record record(m_pRecordBuffer, RECORD_MAX_SIZE, m_bIs32bitFileFormat);
	XnBool bEnd = FALSE;
	XnUInt32 nBytesRead = 0;

	while ((nRecordTimeStamp < nDestTimeStamp) && !bEnd)
	{
		nRetVal = ReadRecordHeader(record);
		XN_IS_STATUS_OK(nRetVal);
		switch (record.GetType())
		{
			case RECORD_NEW_DATA:
			{
				//We already read Record::HEADER_SIZE, now read the rest of the new data record header
				nRetVal = Read(m_pRecordBuffer + record.HEADER_SIZE, 
					NewDataRecordHeader::MAX_SIZE - record.HEADER_SIZE, 
					nBytesRead);
				XN_IS_STATUS_OK(nRetVal);
				if (nBytesRead < NewDataRecordHeader::MAX_SIZE - record.HEADER_SIZE)
				{
					return XN_STATUS_CORRUPT_FILE;
				}
				NewDataRecordHeader newDataRecordHeader(record);
				nRetVal = newDataRecordHeader.Decode();
				XN_IS_STATUS_OK(nRetVal);
				//Save record time stamp
				nRecordTimeStamp = newDataRecordHeader.GetTimeStamp();
				
				if (nRecordTimeStamp >= nDestTimeStamp)
				{
					//We're done - move back to beginning of record
					nRetVal = SeekStream(XN_OS_SEEK_CUR, -XnInt32(nBytesRead));
					XN_IS_STATUS_OK(nRetVal);
				}
				else
				{
					//Skip to next record
					nRetVal = SeekStream(XN_OS_SEEK_CUR,