82 lines
3.6 KiB
C++
82 lines
3.6 KiB
C++
/* This file is a part of Calyp project
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* Copyright (C) 2014-2021 by Joao Carreira (jfmcarreira@gmail.com)
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* Luis Lucas (luisfrlucas@gmail.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/**
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* \file AbsoluteFrameDifference.cpp
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* \brief Absolute Frame Difference module
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*/
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#include "AbsoluteFrameDifference.h"
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AbsoluteFrameDifference::AbsoluteFrameDifference()
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{
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/* Module Definition */
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m_iModuleAPI = CLP_MODULE_API_2; // Use API version 2 (recommended).
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// See this example for details on the functions prototype
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m_iModuleType = ClpModuleType::FrameProcessing; // Apply module to the frames or to
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// the whole sequence.
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m_pchModuleCategory = "Measurements"; // Category (sub-menu)
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m_pchModuleName = "AbsoluteFrameDifference"; // Name (no spaces)
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m_pchModuleLongName = "Absolute Difference"; // Long Name
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m_pchModuleTooltip = "Measure the absolute difference " // Description
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"between two images (Y plane), e. g., abs( Y1 - Y2 )";
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m_uiNumberOfFrames = 2; // Number of frames required
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m_uiModuleRequirements = ClpModuleFeature::NewWindow; // Module requirements
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// (check
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// CalypModulesIf.h).
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// Several requirements should be "or" between each others.
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m_pcFrameDifference = nullptr;
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}
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bool AbsoluteFrameDifference::create( std::vector<CalypFrame*> apcFrameList )
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{
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_BASIC_MODULE_API_2_CHECK_
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for( unsigned int i = 1; i < apcFrameList.size(); i++ )
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if( !apcFrameList[i]->haveSameFmt( apcFrameList[0], CalypFrame::MATCH_COLOR_SPACE_IGNORE_GRAY | CalypFrame::MATCH_COLOR_SPACE | CalypFrame::MATCH_RESOLUTION | CalypFrame::MATCH_BITS ) )
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return false;
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m_pcFrameDifference = std::make_unique<CalypFrame>( apcFrameList[0]->getWidth(), apcFrameList[0]->getHeight(), ClpPixelFormats::CLP_GRAY, apcFrameList[0]->getBitsPel() );
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return true;
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}
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CalypFrame* AbsoluteFrameDifference::process( std::vector<CalypFrame*> apcFrameList )
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{
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CalypFrame* Input1 = apcFrameList[0];
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CalypFrame* Input2 = apcFrameList[1];
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ClpPel* pInput1PelYUV = Input1->getPelBufferYUV()[0][0];
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ClpPel* pInput2PelYUV = Input2->getPelBufferYUV()[0][0];
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ClpPel* pOutputPelYUV = m_pcFrameDifference->getPelBufferYUV()[0][0];
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int aux_pel_1, aux_pel_2;
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for( unsigned int ch = 0; ch < m_pcFrameDifference->getNumberChannels(); ch++ )
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{
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for( unsigned int y = 0; y < m_pcFrameDifference->getHeight(); y++ )
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{
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for( unsigned int x = 0; x < m_pcFrameDifference->getWidth(); x++ )
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{
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aux_pel_1 = *pInput1PelYUV++;
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aux_pel_2 = *pInput2PelYUV++;
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*pOutputPelYUV++ = abs( aux_pel_1 - aux_pel_2 );
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}
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}
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}
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return m_pcFrameDifference.get();
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}
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