Add EightBitsSampling module

modules/EightBitsSampling.cpp

@@ -0,0 +1,86 @@
+/*    This file is a part of plaYUVer project
+ *    Copyright (C) 2014-2015  by Luis Lucas      (luisfrlucas@gmail.com)
+ *                                Joao Carreira   (jfmcarreira@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"
+
+namespace plaYUVer
+{
+
+EightBitsSampling::EightBitsSampling()
+{
+  /* Module Definition */
+  m_iModuleAPI = MODULE_API_2;
+  m_iModuleType = FRAME_PROCESSING_MODULE;
+  m_pchModuleCategory = "Conversions";
+  m_pchModuleName = "EightBitsSampling";
+  m_pchModuleTooltip = "Sub-sampling frame to 8bpp";
+  m_uiNumberOfFrames = MODULE_REQUIRES_ONE_FRAME;
+  m_uiModuleRequirements = MODULE_REQUIRES_NOTHING;
+
+  m_pcSubSampledFrame = NULL;
+}
+
+Bool EightBitsSampling::create( std::vector<PlaYUVerFrame*> apcFrameList )
+{
+  if( apcFrameList[0]->getBitsPel() > 8 )
+  {
+    m_pcSubSampledFrame = NULL;
+    m_pcSubSampledFrame = new PlaYUVerFrame( apcFrameList[0]->getWidth(), apcFrameList[0]->getHeight(), apcFrameList[0]->getPelFormat(), 8 );
+    return true;
+  }
+  return false;
+}
+
+PlaYUVerFrame* EightBitsSampling::process( std::vector<PlaYUVerFrame*> apcFrameList )
+{
+  PlaYUVerFrame* pcFrame = apcFrameList[0];
+  UInt uiShiftBits = pcFrame->getBitsPel() - 8;
+  Pel* pPelInput = pcFrame->getPelBufferYUV()[0][0];
+  Pel* pPelSubSampled = m_pcSubSampledFrame->getPelBufferYUV()[0][0];
+  Pel pelValue;
+
+  for( UInt i = 0; i < pcFrame->getHeight() * pcFrame->getWidth(); i++ )
+  {
+    pelValue = *pPelInput++;
+    pelValue = pelValue >> uiShiftBits;
+    *pPelSubSampled++ = pelValue;
+  }
+  for( UInt i = 0; i < pcFrame->getChromaLength() * 2; i++ )
+  {
+    pelValue = *pPelInput++;
+    pelValue = pelValue >> uiShiftBits;
+    *pPelSubSampled++ = pelValue;
+  }
+  return m_pcSubSampledFrame;
+}
+
+Void EightBitsSampling::destroy()
+{
+  if( m_pcSubSampledFrame )
+    delete m_pcSubSampledFrame;
+  m_pcSubSampledFrame = NULL;
+}
+
+}  // NAMESPACE
+