79 lines
2.8 KiB
C++
79 lines
2.8 KiB
C++
/* This file is a part of Calyp project
|
|
* Copyright (C) 2014-2019 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 EightBitsSampling.cpp
|
|
* \brief Binarize frame module
|
|
*/
|
|
|
|
#include "EightBitsSampling.h"
|
|
|
|
EightBitsSampling::EightBitsSampling()
|
|
{
|
|
/* Module Definition */
|
|
m_iModuleAPI = CLP_MODULE_API_2;
|
|
m_iModuleType = CLP_FRAME_PROCESSING_MODULE;
|
|
m_pchModuleCategory = "Conversions";
|
|
m_pchModuleName = "BitsResampling";
|
|
m_pchModuleLongName = "Re-sampling frame";
|
|
m_pchModuleTooltip = "Re-sampling frame to a different value of bits per pixel";
|
|
m_uiNumberOfFrames = 1;
|
|
m_uiModuleRequirements = CLP_MODULE_REQUIRES_OPTIONS;
|
|
|
|
m_cModuleOptions.addOptions() /**/
|
|
( "num_bits", m_iNumberOfBits, "Number of bits/pixel (8-16) [8]" );
|
|
|
|
m_iNumberOfBits = 8;
|
|
m_pcResampledFrame = NULL;
|
|
}
|
|
|
|
bool EightBitsSampling::create( std::vector<CalypFrame*> apcFrameList )
|
|
{
|
|
m_iBitSifting = int( apcFrameList[0]->getBitsPel() ) - m_iNumberOfBits;
|
|
if( !m_iBitSifting )
|
|
return false;
|
|
|
|
m_pcResampledFrame = new CalypFrame( apcFrameList[0]->getWidth(), apcFrameList[0]->getHeight(),
|
|
apcFrameList[0]->getPelFormat(), m_iNumberOfBits );
|
|
return true;
|
|
}
|
|
|
|
CalypFrame* EightBitsSampling::process( std::vector<CalypFrame*> apcFrameList )
|
|
{
|
|
CalypFrame* pcFrame = apcFrameList[0];
|
|
ClpPel* pPelInput = pcFrame->getPelBufferYUV()[0][0];
|
|
ClpPel* pPelResampled = m_pcResampledFrame->getPelBufferYUV()[0][0];
|
|
int bitShifting = m_iBitSifting > 0 ? m_iBitSifting : -m_iBitSifting;
|
|
|
|
if( m_iBitSifting > 0 )
|
|
for( unsigned i = 0; i < pcFrame->getTotalNumberOfPixels(); i++ )
|
|
*pPelResampled++ = *pPelInput++ >> bitShifting;
|
|
else
|
|
for( unsigned i = 0; i < pcFrame->getTotalNumberOfPixels(); i++ )
|
|
*pPelResampled++ = *pPelInput++ << bitShifting;
|
|
return m_pcResampledFrame;
|
|
}
|
|
|
|
void EightBitsSampling::destroy()
|
|
{
|
|
if( m_pcResampledFrame )
|
|
delete m_pcResampledFrame;
|
|
m_pcResampledFrame = NULL;
|
|
}
|