105 lines
3.2 KiB
C++
105 lines
3.2 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 FrameResampling.cpp
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* \brief Modules to resampling frames
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*/
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#include "FrameResampling.h"
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#include <cstdlib>
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// OpenCV
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#include <opencv2/core/core.hpp>
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#include <opencv2/imgproc.hpp>
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using cv::Mat;
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using cv::Size;
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FrameResampling::FrameResampling()
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{
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/* Module Definition */
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m_iModuleAPI = CLP_MODULE_API_2;
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m_iModuleType = CLP_FRAME_PROCESSING_MODULE;
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m_pchModuleCategory = "Utilities";
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m_pchModuleName = "FrameResampling";
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m_pchModuleLongName = "Frame Resampling (Spatial)";
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m_pchModuleTooltip = "Resampling frame to an abritary resolution";
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m_uiNumberOfFrames = 1;
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m_uiModuleRequirements = CLP_MODULE_REQUIRES_OPTIONS;
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m_cModuleOptions.addOptions() /**/
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( "width", m_iWidth, "Width of the crop region [-1]" ) /**/
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( "height", m_iHeight, "Height of the crop region [-1]" ) /**/
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( "Interpolation", m_iInterpolation, "Interpolation method (1-4) [4]" );
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m_iInterpolation = 4;
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m_iWidth = -1;
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m_iHeight = -1;
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}
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bool FrameResampling::create( std::vector<CalypFrame*> apcFrameList )
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{
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switch( m_iInterpolation )
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{
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case 2:
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m_iInterpolation = cv::INTER_LINEAR;
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break;
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case 3:
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m_iInterpolation = cv::INTER_CUBIC;
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break;
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case 4:
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m_iInterpolation = cv::INTER_LANCZOS4;
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break;
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default:
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m_iInterpolation = cv::INTER_NEAREST;
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}
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if( m_iWidth == -1 )
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{
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m_iWidth = apcFrameList[0]->getWidth();
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}
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if( m_iHeight == -1 )
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{
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m_iHeight = apcFrameList[0]->getHeight() * double( m_iWidth ) / double( apcFrameList[0]->getWidth() );
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}
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m_pcOutputFrame = new CalypFrame( m_iWidth, m_iHeight, apcFrameList[0]->getPelFormat(), apcFrameList[0]->getBitsPel() );
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return m_pcOutputFrame;
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}
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CalypFrame* FrameResampling::process( std::vector<CalypFrame*> apcFrameList )
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{
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m_pcOutputFrame->reset();
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for( unsigned ch = 0; ch < apcFrameList[0]->getNumberChannels(); ch++ )
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{
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Mat inputFrame, outputFrame;
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cv::Size outSize( m_pcOutputFrame->getWidth( ch ), m_pcOutputFrame->getHeight( ch ) );
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apcFrameList[0]->toMat( inputFrame, true, false, ch );
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cv::resize( inputFrame, outputFrame, outSize, 0, 0, m_iInterpolation );
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m_pcOutputFrame->fromMat( outputFrame, ch );
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}
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return m_pcOutputFrame;
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}
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void FrameResampling::destroy()
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{
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if( m_pcOutputFrame )
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delete m_pcOutputFrame;
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}
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