81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
/* This file is a part of plaYUVer project
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* Copyright (C) 2014-2017 by Luis Lucas (luisfrlucas@gmail.com)
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* Joao Carreira (jfmcarreira@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 = MODULE_API_2;
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m_iModuleType = FRAME_PROCESSING_MODULE;
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m_pchModuleCategory = "Conversions";
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m_pchModuleName = "EightBitsSampling";
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m_pchModuleTooltip = "Sub-sampling frame to 8bpp";
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m_uiNumberOfFrames = MODULE_REQUIRES_ONE_FRAME;
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m_uiModuleRequirements = MODULE_REQUIRES_NOTHING;
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m_pcSubSampledFrame = NULL;
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}
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Bool EightBitsSampling::create( std::vector<PlaYUVerFrame*> apcFrameList )
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{
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if( apcFrameList[0]->getBitsPel() > 8 )
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{
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m_pcSubSampledFrame = NULL;
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m_pcSubSampledFrame = new PlaYUVerFrame( apcFrameList[0]->getWidth(), apcFrameList[0]->getHeight(), apcFrameList[0]->getPelFormat(), 8 );
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return true;
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}
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return false;
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}
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PlaYUVerFrame* EightBitsSampling::process( std::vector<PlaYUVerFrame*> apcFrameList )
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{
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PlaYUVerFrame* pcFrame = apcFrameList[0];
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UInt uiShiftBits = pcFrame->getBitsPel() - 8;
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Pel* pPelInput = pcFrame->getPelBufferYUV()[0][0];
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Pel* pPelSubSampled = m_pcSubSampledFrame->getPelBufferYUV()[0][0];
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Pel pelValue;
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for( UInt i = 0; i < pcFrame->getHeight() * pcFrame->getWidth(); i++ )
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{
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pelValue = *pPelInput++;
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pelValue = pelValue >> uiShiftBits;
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*pPelSubSampled++ = pelValue;
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}
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for( UInt i = 0; i < pcFrame->getChromaLength() * 2; i++ )
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{
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pelValue = *pPelInput++;
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pelValue = pelValue >> uiShiftBits;
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*pPelSubSampled++ = pelValue;
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}
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return m_pcSubSampledFrame;
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}
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Void EightBitsSampling::destroy()
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{
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if( m_pcSubSampledFrame )
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delete m_pcSubSampledFrame;
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m_pcSubSampledFrame = NULL;
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}
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