79 lines
2.8 KiB
C++
79 lines
2.8 KiB
C++
/* This file is a part of Calyp project
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* Copyright (C) 2014-2019 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 EightBitsSampling.cpp
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* \brief Binarize frame module
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*/
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#include "EightBitsSampling.h"
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EightBitsSampling::EightBitsSampling()
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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 = "Conversions";
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m_pchModuleName = "BitsResampling";
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m_pchModuleLongName = "Re-sampling frame (bpp)";
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m_pchModuleTooltip = "Re-sampling frame to a different value of bits per pixel";
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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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( "num_bits", m_iNumberOfBits, "Number of bits/pixel (8-16) [8]" );
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m_iNumberOfBits = 8;
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m_pcResampledFrame = NULL;
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}
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bool EightBitsSampling::create( std::vector<CalypFrame*> apcFrameList )
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{
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m_iBitSifting = int( apcFrameList[0]->getBitsPel() ) - m_iNumberOfBits;
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if( !m_iBitSifting )
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return false;
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m_pcResampledFrame = new CalypFrame( apcFrameList[0]->getWidth(), apcFrameList[0]->getHeight(),
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apcFrameList[0]->getPelFormat(), m_iNumberOfBits );
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return true;
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}
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CalypFrame* EightBitsSampling::process( std::vector<CalypFrame*> apcFrameList )
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{
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CalypFrame* pcFrame = apcFrameList[0];
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ClpPel* pPelInput = pcFrame->getPelBufferYUV()[0][0];
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ClpPel* pPelResampled = m_pcResampledFrame->getPelBufferYUV()[0][0];
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int bitShifting = m_iBitSifting > 0 ? m_iBitSifting : -m_iBitSifting;
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if( m_iBitSifting > 0 )
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for( unsigned i = 0; i < pcFrame->getTotalNumberOfPixels(); i++ )
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*pPelResampled++ = *pPelInput++ >> bitShifting;
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else
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for( unsigned i = 0; i < pcFrame->getTotalNumberOfPixels(); i++ )
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*pPelResampled++ = *pPelInput++ << bitShifting;
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return m_pcResampledFrame;
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}
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void EightBitsSampling::destroy()
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{
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if( m_pcResampledFrame )
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delete m_pcResampledFrame;
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m_pcResampledFrame = NULL;
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}
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