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„src/TactileStimulation/ovpCBoxAlgorithmTactileStimulation.cpp“ löschen

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Tobias Baumann 2022-03-03 17:06:12 +00:00
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src/TactileStimulation/ovpCBoxAlgorithmTactileStimulation.cpp
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///-------------------------------------------------------------------------------------------------
///
/// \file ovpCBoxAlgorithmTactileStimulator.cpp
/// \brief Functions of the Box Tactile Stimulator.
/// \author Tobias Baumann (TH-Nürnberg).
/// \version 1.0.
/// \date Mon Feb 21 14:59:56 2022.
/// \copyright <a href="https://choosealicense.com/licenses/agpl-3.0/">GNU Affero General Public License v3.0</a>.
///
///-------------------------------------------------------------------------------------------------
//includes
#include "ovpCBoxAlgorithmTactileStimulation.h"
using namespace OpenViBE;
using namespace /*OpenViBE::*/Kernel;
using namespace /*OpenViBE::*/Plugins;
using namespace /*OpenViBE::Plugins::*/Tactilebci;
bool CBoxAlgorithmTactileStimulation::initialize()
{
m_input0Decoder.initialize(*this, 0);
m_output0Encoder.initialize(*this, 0);
// If you need to retrieve setting values, use the FSettingValueAutoCast function.
// For example :
// - CString setting at index 0 in the setting list :
// CString sSettingValue = FSettingValueAutoCast(*this->getBoxAlgorithmContext(), 0);
// - unsigned int64 setting at index 1 in the setting list :
// uint64_t uiSettingValue = FSettingValueAutoCast(*this->getBoxAlgorithmContext(), 1);
// - double setting at index 2 in the setting list :
// double doubleSettingValue = FSettingValueAutoCast(*this->getBoxAlgorithmContext(), 2);
// ...
return true;
}
/*******************************************************************************/
bool CBoxAlgorithmTactileStimulation::uninitialize()
{
m_input0Decoder.uninitialize();
m_output0Encoder.uninitialize();
return true;
}
/*******************************************************************************/
bool CBoxAlgorithmTactileStimulation::process()
{
// the static box context describes the box inputs, outputs, settings structures
const IBox& staticBoxContext=this->getStaticBoxContext();
// the dynamic box context describes the current state of the box inputs and outputs (i.e. the chunks)
IBoxIO& boxContext = this->getDynamicBoxContext();
// here is some useful functions:
// - To get input/output/setting count:
// staticBoxContext.getInputCount();
// staticBoxContext.getOutputCount();
// - To get the number of chunks currently available on a particular input :
// boxContext.getInputChunkCount(input_index)
// - To send an output chunk :
// boxContext.markOutputAsReadyToSend(output_index, chunk_start_time, chunk_end_time);
// A typical process iteration may look like this.
// This example only iterate over the first input of type Signal, and output a modified Signal.
// thus, the box uses 1 decoder (m_signalDecoder) and 1 encoder (m_signalEncoder)
/*
IBoxIO& boxContext = this->getDynamicBoxContext();
//iterate over all chunk on input 0
for (size_t i = 0; i < boxContext.getInputChunkCount(0); ++i)
{
// decode the chunk i
m_signalDecoder.decode(i);
// the decoder may have decoded 3 different parts : the header, a buffer or the end of stream.
if(m_signalDecoder.isHeaderReceived())
{
// Header received. This happens only once when pressing "play". For example with a StreamedMatrix input, you now know the dimension count, sizes, and labels of the matrix
// ... maybe do some process ...
// Pass the header to the next boxes, by encoding a header on the output 0:
m_signalEncoder.encodeHeader(0);
// send the output chunk containing the header. The dates are the same as the input chunk:
boxContext.markOutputAsReadyToSend(0, boxContext.getInputChunkStartTime(0, i), boxContext.getInputChunkEndTime(0, i));
}
if(m_signalDecoder.isBufferReceived())
{
// Buffer received. For example the signal values
// Access to the buffer can be done thanks to :
CMatrix* matrix = m_signalDecoder.getOutputMatrix(); // the StreamedMatrix of samples.
uint64_t frequency = m_signalDecoder.getOutputSamplingRate(); // the sampling rate of the signal
// ... do some process on the matrix ...
// Encode the output buffer :
m_signalEncoder.encodeBuffer(0);
// and send it to the next boxes :
boxContext.markOutputAsReadyToSend(0, boxContext.getInputChunkStartTime(0, i), boxContext.getInputChunkEndTime(0, i));
}
if(m_signalDecoder.isEndReceived())
{
// End of stream received. This happens only once when pressing "stop". Just pass it to the next boxes so they receive the message :
m_signalEncoder.encodeEnd(0);
boxContext.markOutputAsReadyToSend(0, boxContext.getInputChunkStartTime(0, i), boxContext.getInputChunkEndTime(0, i));
}
// The current input chunk has been processed, and automaticcaly discarded.
// you don't need to call "boxContext.markInputAsDeprecated(0, i);"
}
*/
// check the official developer documentation webpage for more example and information :
// Tutorials:
// http://openvibe.inria.fr/documentation/#Developer+Documentation
// Codec Toolkit page :
// http://openvibe.inria.fr/codec-toolkit-references/
// Feel free to ask experienced developers on the forum (http://openvibe.inria.fr/forum) and IRC (#openvibe on irc.freenode.net).
return true;
}