Files
calyp/modules/SetChromaHalfScale.cpp
jfmcarreira 93cf60e34a Improvements on CalypModuleIf
Add type safe flags
Replace MACRO with templates (WIP)
2021-10-19 23:42:18 +01:00

71 lines
2.4 KiB
C++

/* This file is a part of Calyp project
* Copyright (C) 2014-2021 by Joao Carreira (jfmcarreira@gmail.com)
* Luis Lucas (luisfrlucas@gmail.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/**
* \file SetChromaHalfScale.cpp
* \brief Set chrome value to half scale (gray)
*/
#include "SetChromaHalfScale.h"
SetChromaHalfScale::SetChromaHalfScale()
{
/* Module Definition */
m_iModuleType = ClpModuleType::FrameProcessing;
m_pchModuleCategory = "Conversions";
m_pchModuleName = "SetChromaHalfScale";
m_pchModuleLongName = "Half scale chroma";
m_pchModuleTooltip = "Copy frame only keeping luma component";
m_uiNumberOfFrames = 1;
m_uiModuleRequirements = ClpModuleFeature::None;
m_pcProcessedFrame = NULL;
}
void SetChromaHalfScale::create( CalypFrame* frame )
{
m_pcProcessedFrame = NULL;
m_pcProcessedFrame =
new CalypFrame( frame->getWidth(), frame->getHeight(), frame->getPelFormat(), frame->getBitsPel() );
}
CalypFrame* SetChromaHalfScale::process( CalypFrame* frame )
{
ClpPel* pPelInput = frame->getPelBufferYUV()[CLP_LUMA][0];
ClpPel* pPelOut = m_pcProcessedFrame->getPelBufferYUV()[0][0];
ClpPel halfScaleValue = 1 << ( frame->getBitsPel() - 1 );
for( unsigned int i = 0; i < frame->getHeight() * frame->getWidth(); i++ )
{
*pPelOut++ = *pPelInput++;
}
pPelInput = frame->getPelBufferYUV()[CLP_CHROMA_U][0];
for( unsigned int i = 0; i < m_pcProcessedFrame->getChromaLength() * 2; i++ )
{
*pPelOut++ = halfScaleValue;
}
return m_pcProcessedFrame;
}
void SetChromaHalfScale::destroy()
{
if( m_pcProcessedFrame )
delete m_pcProcessedFrame;
m_pcProcessedFrame = NULL;
}