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Save pixels in Short instead of UChar

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jfmcarreira committed 2015-04-03 13:04:20 +01:00
1 parent c8079e87cb
commit e2385a81c2
8 files changed
+63 -67
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lib/PlaYUVerFrameStats.cpp
+24 -24
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@@ -36,15 +36,15 @@ namespace plaYUVer
{
PlaYUVerFrameStats::PlaYUVerFrameStats() :
m_pdHistogram( NULL ),
m_puiHistogram( NULL ),
m_bHasHistogram( false )
{
}
PlaYUVerFrameStats::~PlaYUVerFrameStats()
{
if( m_pdHistogram )
freeMem1D( m_pdHistogram );
if( m_puiHistogram )
freeMem1D( m_puiHistogram );
}
@@ -77,9 +77,9 @@ Void PlaYUVerFrameStats::calcHistogram()
//m_bHasHistogram = false;
if( m_bHasHistogram )
return;
getMem1D<Double>( &( m_pdHistogram ), m_uiHistoSegments * histoChannels );
getMem1D<UInt>( &( m_puiHistogram ), m_uiHistoSegments * histoChannels );
if( !m_pdHistogram )
if( !m_puiHistogram )
{
// qWarning( ) << "PlaYUVerFrameStats::calcHistogramValuess: "
// "Unable to allocate memory!"
@@ -97,14 +97,14 @@ Void PlaYUVerFrameStats::calcHistogram()
data[CHROMA_V] = m_pppImageData[CHROMA_V][0];
for( i = 0; i < m_uiImageHeight * m_uiImageWidth; i++ )
{
m_pdHistogram[*( data[LUMA] ) + LUMA * m_uiHistoSegments]++;
m_puiHistogram[*( data[LUMA] ) + LUMA * m_uiHistoSegments]++;
data[LUMA] += 1;
}
for( i = 0; ( i < imageChromaSize ) && m_bRunningFlag; i++ )
{
for( j = 1; j < m_uiChannels; j++ )
{
m_pdHistogram[*( data[j] ) + j * m_uiHistoSegments]++;
m_puiHistogram[*( data[j] ) + j * m_uiHistoSegments]++;
}
for( j = 1; j < m_uiChannels; j++ )
data[j] += 1;
@@ -122,13 +122,13 @@ Void PlaYUVerFrameStats::calcHistogram()
{
for( j = 0; j < m_uiChannels; j++ )
{
m_pdHistogram[*( data[j] ) + j * m_uiHistoSegments]++;
m_puiHistogram[*( data[j] ) + j * m_uiHistoSegments]++;
}
if( calcLuma && ( imageColorSpace == PlaYUVerFrame::COLOR_RGB || imageColorSpace == PlaYUVerFrame::COLOR_ARGB ) )
{
PlaYUVerFrame::Pixel currPixel( imageColorSpace, *( data[COLOR_R] ), *( data[COLOR_G] ), *( data[COLOR_B] ) );
luma = PlaYUVerFrame::ConvertPixel( currPixel, PlaYUVerFrame::COLOR_YUV ).Y();
m_pdHistogram[luma + j * m_uiHistoSegments]++;
m_puiHistogram[luma + j * m_uiHistoSegments]++;
}
for( j = 0; j < m_uiChannels; j++ )
data[j] += 1;
@@ -228,7 +228,7 @@ Double PlaYUVerFrameStats::getCount( Int channel, UInt start, UInt end )
Int indexStart;
Double count = 0.0;
if( !m_pdHistogram || start < 0 || end > m_uiHistoSegments - 1 || start > end )
if( !m_puiHistogram || start < 0 || end > m_uiHistoSegments - 1 || start > end )
{
return 0.0;
}
@@ -244,14 +244,14 @@ Double PlaYUVerFrameStats::getCount( Int channel, UInt start, UInt end )
for( i = start; i <= end; i++ )
{
count += m_pdHistogram[indexStart + i];
count += m_puiHistogram[indexStart + i];
}
return count;
}
Double PlaYUVerFrameStats::getPixels()
{
if( !m_pdHistogram )
if( !m_puiHistogram )
{
return 0.0;
}
@@ -266,7 +266,7 @@ Double PlaYUVerFrameStats::getMean( Int channel, UInt start, UInt end )
Double mean = 0.0;
Double count;
if( !m_pdHistogram || start < 0 || end > m_uiHistoSegments - 1 || start > end )
if( !m_puiHistogram || start < 0 || end > m_uiHistoSegments - 1 || start > end )
{
return 0.0;
}
@@ -282,7 +282,7 @@ Double PlaYUVerFrameStats::getMean( Int channel, UInt start, UInt end )
for( UInt i = start; i <= end; i++ )
{
mean += i * m_pdHistogram[indexStart + i];
mean += i * m_puiHistogram[indexStart + i];
}
count = getCount( channel, start, end );
@@ -302,7 +302,7 @@ Int PlaYUVerFrameStats::getMedian( Int channel, UInt start, UInt end )
Double sum = 0.0;
Double count;
if( !m_pdHistogram || start < 0 || end > m_uiHistoSegments - 1 || start > end )
if( !m_puiHistogram || start < 0 || end > m_uiHistoSegments - 1 || start > end )
{
return 0;
}
@@ -320,7 +320,7 @@ Int PlaYUVerFrameStats::getMedian( Int channel, UInt start, UInt end )
for( UInt i = start; i <= end; i++ )
{
sum += m_pdHistogram[indexStart + i];
sum += m_puiHistogram[indexStart + i];
if( sum * 2 > count )
return i;
}
@@ -336,7 +336,7 @@ Double PlaYUVerFrameStats::getStdDev( Int channel, UInt start, UInt end )
Double count;
Double mean;
if( !m_pdHistogram || start < 0 || end > m_uiHistoSegments - 1 || start > end )
if( !m_puiHistogram || start < 0 || end > m_uiHistoSegments - 1 || start > end )
{
return 0.0;
}
@@ -359,7 +359,7 @@ Double PlaYUVerFrameStats::getStdDev( Int channel, UInt start, UInt end )
for ( i = start ; i <= end ; i++ )
{
dev += ( i - mean ) * ( i - mean ) * m_pdHistogram[indexStart +i];
dev += ( i - mean ) * ( i - mean ) * m_puiHistogram[indexStart +i];
}
return sqrt( dev / count );
@@ -368,7 +368,7 @@ Double PlaYUVerFrameStats::getStdDev( Int channel, UInt start, UInt end )
for( UInt i = start; i <= end; i++ )
{
dev += ( i * i ) * m_pdHistogram[indexStart + i];
dev += ( i * i ) * m_puiHistogram[indexStart + i];
}
return sqrt( ( dev - count * mean * mean ) / ( count - 1 ) );
@@ -381,7 +381,7 @@ Double PlaYUVerFrameStats::getHistogramValue( Int channel, UInt bin )
Int histoChannel;
Int indexStart;
if( !m_pdHistogram || bin < 0 || bin > m_uiHistoSegments - 1 )
if( !m_puiHistogram || bin < 0 || bin > m_uiHistoSegments - 1 )
return 0.0;
histoChannel = getRealHistoChannel( channel );
@@ -393,7 +393,7 @@ Double PlaYUVerFrameStats::getHistogramValue( Int channel, UInt bin )
indexStart = histoChannel * m_uiHistoSegments;
value = m_pdHistogram[indexStart + bin];
value = m_puiHistogram[indexStart + bin];
return value;
}
@@ -405,7 +405,7 @@ Double PlaYUVerFrameStats::getMaximum( Int channel )
Int histoChannel;
Int indexStart;
if( !m_pdHistogram )
if( !m_puiHistogram )
return 0.0;
histoChannel = getRealHistoChannel( channel );
@@ -419,9 +419,9 @@ Double PlaYUVerFrameStats::getMaximum( Int channel )
for( UInt x = 0; x < m_uiHistoSegments; x++ )
{
if( m_pdHistogram[indexStart + x] > max )
if( m_puiHistogram[indexStart + x] > max )
{
max = m_pdHistogram[indexStart + x];
max = m_puiHistogram[indexStart + x];
}
}