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sajaniemi_variable_dataset_large / code /validation /C++ /0047902_ovpCDetectingMinMax.cpp
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#include "ovpCDetectingMinMax.h"
#include <iostream>
#include <sstream>
#include <string>
#include <cmath>
using namespace OpenViBE;
using namespace OpenViBE::Kernel;
using namespace OpenViBE::Plugins;
using namespace OpenViBEPlugins;
using namespace OpenViBEPlugins::SignalProcessingGpl;
using namespace std;
// ________________________________________________________________________________________________________________
//
boolean CDetectingMinMax::initialize(void)
{
ip_pSignalMatrix.initialize(getInputParameter(OVP_Algorithm_DetectingMinMax_InputParameterId_SignalMatrix));
ip_ui64SamplingFrequency.initialize(getInputParameter(OVP_Algorithm_DetectingMinMax_InputParameterId_SamplingFrequency));
ip_f64TimeWindowStart.initialize(getInputParameter(OVP_Algorithm_DetectingMinMax_InputParameterId_TimeWindowStart));
ip_f64TimeWindowEnd.initialize(getInputParameter(OVP_Algorithm_DetectingMinMax_InputParameterId_TimeWindowEnd));
op_pSignalMatrix.initialize(getOutputParameter(OVP_Algorithm_DetectingMinMax_OutputParameterId_SignalMatrix));
return true;
}
boolean CDetectingMinMax::uninitialize(void)
{
op_pSignalMatrix.uninitialize();
ip_f64TimeWindowEnd.uninitialize();
ip_f64TimeWindowStart.uninitialize();
ip_ui64SamplingFrequency.uninitialize();
ip_pSignalMatrix.uninitialize();
return true;
}
// ________________________________________________________________________________________________________________
//
boolean CDetectingMinMax::process(void)
{
// signal input vars
IMatrix* l_pSignalInputMatrix=ip_pSignalMatrix;
float64* l_pSignalInput = l_pSignalInputMatrix->getBuffer();
// signal output vars
IMatrix* l_pSignalOutputMatrix=op_pSignalMatrix;
l_pSignalOutputMatrix->setDimensionCount(2);
l_pSignalOutputMatrix->setDimensionSize(0,1);
l_pSignalOutputMatrix->setDimensionSize(1, 1);
float64* l_pSignalOutput = l_pSignalOutputMatrix->getBuffer();
if(isInputTriggerActive(OVP_Algorithm_DetectingMinMax_InputTriggerId_Initialize))
{
}
if(isInputTriggerActive(OVP_Algorithm_DetectingMinMax_InputTriggerId_DetectsMin))
{
// dimension of input signal biuffer
uint32 l_ui32SignalInputMatrixDimensionNbChannels=ip_pSignalMatrix->getDimensionSize(0);
uint32 l_ui32SignalInputMatrixDimensionSizeEpoch=ip_pSignalMatrix->getDimensionSize(1);
// Must be changed
float64 l_f64MinValue = 1E10;
for (uint64 i=0; i < l_ui32SignalInputMatrixDimensionNbChannels; i++)
{
for(uint64 j=0 ; j<l_ui32SignalInputMatrixDimensionSizeEpoch; j++)
{
if (l_pSignalInput[i*l_ui32SignalInputMatrixDimensionSizeEpoch+j] < l_f64MinValue)
{
l_f64MinValue = l_pSignalInput[i*l_ui32SignalInputMatrixDimensionSizeEpoch+j];
}
}
}
l_pSignalOutput[0] = l_f64MinValue;
}
if(isInputTriggerActive(OVP_Algorithm_DetectingMinMax_InputTriggerId_DetectsMax))
{
// dimension of input signal biuffer
uint32 l_ui32SignalInputMatrixDimensionNbChannels=ip_pSignalMatrix->getDimensionSize(0);
uint32 l_ui32SignalInputMatrixDimensionSizeEpoch=ip_pSignalMatrix->getDimensionSize(1);
// Must be changed
float64 l_f64MaxValue = -1E10;
for (uint64 i=0; i < l_ui32SignalInputMatrixDimensionNbChannels; i++)
{
uint64 l_ui64Start=static_cast<uint64>(floor(ip_f64TimeWindowStart/1000.*ip_ui64SamplingFrequency));
uint64 l_ui64Stop=static_cast<uint64>(floor(ip_f64TimeWindowEnd/1000.*ip_ui64SamplingFrequency));
for(uint64 j=l_ui64Start; j<l_ui64Stop; j++)
{
if (l_pSignalInput[i*l_ui32SignalInputMatrixDimensionSizeEpoch+j] > l_f64MaxValue)
{
l_f64MaxValue = l_pSignalInput[i*l_ui32SignalInputMatrixDimensionSizeEpoch+j];
}
}
}
l_pSignalOutput[0] = l_f64MaxValue;
}
return true;
}