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Add full frame difference with plus 1 bit precision

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jfmcarreira
2015-04-06 00:34:40 +01:00
parent 4508dcb178
commit 95c35373f4
6 changed files with 28 additions and 60 deletions
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modules/FrameDifference.cpp
+12 -8
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@@ -31,6 +31,7 @@ namespace plaYUVer
FrameDifference::FrameDifference()
{
/* Module Definition */
m_iModuleAPI = MODULE_API_2;
m_iModuleType = FRAME_PROCESSING_MODULE;
m_pchModuleCategory = "Measurements";
m_pchModuleName = "FrameDifference";
@@ -41,15 +42,18 @@ FrameDifference::FrameDifference()
m_pcFrameDifference = NULL;
}
Void FrameDifference::create( PlaYUVerFrame* Input )
Bool FrameDifference::create( std::vector<PlaYUVerFrame*> apcFrameList )
{
m_pcFrameDifference = new PlaYUVerFrame( Input->getWidth(), Input->getHeight(), PlaYUVerFrame::GRAY, Input->getBitsPel() );
UInt bitsPixel = ( apcFrameList[0]->getBitsPel() + 1 ) & 0x0F;
m_iMaxDiffValue = ( 1 << ( bitsPixel - 1 ) );
m_pcFrameDifference = new PlaYUVerFrame( apcFrameList[0]->getWidth(), apcFrameList[0]->getHeight(), PlaYUVerFrame::GRAY, bitsPixel );
return true;
}
PlaYUVerFrame* FrameDifference::process( PlaYUVerFrame* Input1, PlaYUVerFrame* Input2 )
PlaYUVerFrame* FrameDifference::process( std::vector<PlaYUVerFrame*> apcFrameList )
{
Pel* pInput1PelYUV = Input1->getPelBufferYUV()[0][0];
Pel* pInput2PelYUV = Input2->getPelBufferYUV()[0][0];
Pel* pInput1PelYUV = apcFrameList[0]->getPelBufferYUV()[0][0];
Pel* pInput2PelYUV = apcFrameList[1]->getPelBufferYUV()[0][0];
Pel* pOutputPelYUV = m_pcFrameDifference->getPelBufferYUV()[0][0];
Int aux_pel_1, aux_pel_2;
Int diff = 0;
@@ -60,9 +64,9 @@ PlaYUVerFrame* FrameDifference::process( PlaYUVerFrame* Input1, PlaYUVerFrame* I
aux_pel_1 = *pInput1PelYUV++;
aux_pel_2 = *pInput2PelYUV++;
diff = aux_pel_1 - aux_pel_2;
diff = std::min( diff, 127 );
diff = std::max( diff, -128 );
diff += 128;
diff = std::min( diff, m_iMaxDiffValue );
diff = std::max( diff, -m_iMaxDiffValue );
diff += m_iMaxDiffValue + 1;
*pOutputPelYUV++ = diff;
}
return m_pcFrameDifference;