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Improve PlaYUVerFrame and add comments

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This commit is contained in:
jfmcarreira
2018-02-06 04:06:39 +00:00
parent ee5b07e558
commit 014fd2f28b
4 changed files with 106 additions and 68 deletions
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modules/FrameShift.cpp
+14 -32
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@@ -57,47 +57,29 @@ PlaYUVerFrame* FrameShift::process( std::vector<PlaYUVerFrame*> apcFrameList )
Pel* pPelInput;
Pel* pPelOut;
UInt xStartOut = m_iShiftHor >= 0 ? m_iShiftHor : 0;
UInt xStartIn = m_iShiftHor >= 0 ? 0 : -m_iShiftHor;
UInt xEndOut = m_iShiftHor >= 0 ? m_pcProcessedFrame->getWidth() : m_pcProcessedFrame->getWidth() + m_iShiftHor;
UInt yStartOut = m_iShiftVer >= 0 ? m_iShiftVer : 0;
UInt yStartIn = m_iShiftVer >= 0 ? 0 : -m_iShiftVer;
UInt yEndOut = m_iShiftVer >= 0 ? m_pcProcessedFrame->getHeight() : m_pcProcessedFrame->getHeight() + m_iShiftVer;
m_pcProcessedFrame->clear();
for( UInt y = yStartOut, yIn = yStartIn; y < yEndOut; y++, yIn++ )
for( UInt ch = 0; ch < m_pcProcessedFrame->getNumberChannels(); ch++ )
{
pPelInput = &( apcFrameList[0]->getPelBufferYUV()[LUMA][yIn][xStartIn] );
pPelOut = &( m_pcProcessedFrame->getPelBufferYUV()[LUMA][y][xStartOut] );
for( UInt x = xStartOut; x < xEndOut; x++ )
{
*pPelOut = *pPelInput;
pPelInput++;
pPelOut++;
}
}
UInt uiWidth = m_pcProcessedFrame->getWidth( ch );
UInt uiHeight = m_pcProcessedFrame->getHeight( ch );
Int iShiftHorChroma = CHROMASHIFT( m_iShiftHor, m_pcProcessedFrame->getChromaWidthRatio() );
Int iShiftVerChroma = CHROMASHIFT( m_iShiftVer, m_pcProcessedFrame->getChromaHeightRatio() );
Int iShiftHor = m_iShiftHor >> ( ch > 0 ? m_pcProcessedFrame->getChromaWidthRatio() : 0 );
Int iShiftVer = m_iShiftVer >> ( ch > 0 ? m_pcProcessedFrame->getChromaHeightRatio() : 0 );
xStartOut = iShiftHorChroma >= 0 ? iShiftHorChroma : 0;
xStartIn = iShiftHorChroma >= 0 ? 0 : -iShiftHorChroma;
xEndOut = iShiftHorChroma >= 0 ? m_pcProcessedFrame->getChromaWidth() :
m_pcProcessedFrame->getChromaWidth() + iShiftHorChroma;
UInt xStartIn = iShiftHor >= 0 ? 0 : -iShiftHor;
UInt yStartIn = iShiftVer >= 0 ? 0 : -iShiftVer;
yStartOut = iShiftVerChroma >= 0 ? iShiftVerChroma : 0;
yStartIn = iShiftVerChroma >= 0 ? 0 : -iShiftVerChroma;
yEndOut = iShiftVerChroma >= 0 ? m_pcProcessedFrame->getChromaHeight() :
m_pcProcessedFrame->getChromaHeight() + iShiftVerChroma;
UInt xStartOut = std::max( iShiftHor, 0 );
UInt xEndOut = std::min( uiWidth, uiWidth + iShiftHor );
UInt yStartOut = std::max( iShiftVer, 0 );
UInt yEndOut = std::min( uiHeight, uiHeight + iShiftVer );
for( UInt c = 1; c < m_pcProcessedFrame->getNumberChannels(); c++ )
{
for( UInt y = yStartOut, yIn = yStartIn; y < yEndOut; y++, yIn++ )
{
pPelInput = &( apcFrameList[0]->getPelBufferYUV()[c][yIn][xStartIn] );
pPelOut = &( m_pcProcessedFrame->getPelBufferYUV()[c][y][xStartOut] );
pPelInput = &( apcFrameList[0]->getPelBufferYUV()[ch][yIn][xStartIn] );
pPelOut = &( m_pcProcessedFrame->getPelBufferYUV()[ch][y][xStartOut] );
for( UInt x = xStartOut; x < xEndOut; x++ )
{
*pPelOut = *pPelInput;