libbpg/jctvc/TLibEncoder/TEncPic.cpp
2015-01-16 13:46:18 +01:00

156 lines
4.6 KiB
C++

/* The copyright in this software is being made available under the BSD
* License, included below. This software may be subject to other third party
* and contributor rights, including patent rights, and no such rights are
* granted under this license.
*
* Copyright (c) 2010-2014, ITU/ISO/IEC
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
/** \file TEncPic.cpp
\brief class of picture which includes side information for encoder
*/
#include "TEncPic.h"
//! \ingroup TLibEncoder
//! \{
/** Constructor
*/
TEncQPAdaptationUnit::TEncQPAdaptationUnit()
: m_dActivity(0.0)
{
}
/** Destructor
*/
TEncQPAdaptationUnit::~TEncQPAdaptationUnit()
{
}
/** Constructor
*/
TEncPicQPAdaptationLayer::TEncPicQPAdaptationLayer()
: m_uiAQPartWidth(0)
, m_uiAQPartHeight(0)
, m_uiNumAQPartInWidth(0)
, m_uiNumAQPartInHeight(0)
, m_acTEncAQU(NULL)
, m_dAvgActivity(0.0)
{
}
/** Destructor
*/
TEncPicQPAdaptationLayer::~TEncPicQPAdaptationLayer()
{
destroy();
}
/** Initialize member variables
* \param iWidth Picture width
* \param iHeight Picture height
* \param uiAQPartWidth Width of unit block for analyzing local image characteristics
* \param uiAQPartHeight Height of unit block for analyzing local image characteristics
* \return Void
*/
Void TEncPicQPAdaptationLayer::create( Int iWidth, Int iHeight, UInt uiAQPartWidth, UInt uiAQPartHeight )
{
m_uiAQPartWidth = uiAQPartWidth;
m_uiAQPartHeight = uiAQPartHeight;
m_uiNumAQPartInWidth = (iWidth + m_uiAQPartWidth-1) / m_uiAQPartWidth;
m_uiNumAQPartInHeight = (iHeight + m_uiAQPartHeight-1) / m_uiAQPartHeight;
m_acTEncAQU = new TEncQPAdaptationUnit[ m_uiNumAQPartInWidth * m_uiNumAQPartInHeight ];
}
/** Clean up
* \return Void
*/
Void TEncPicQPAdaptationLayer::destroy()
{
if (m_acTEncAQU)
{
delete[] m_acTEncAQU;
m_acTEncAQU = NULL;
}
}
/** Constructor
*/
TEncPic::TEncPic()
: m_acAQLayer(NULL)
, m_uiMaxAQDepth(0)
{
}
/** Destructor
*/
TEncPic::~TEncPic()
{
destroy();
}
/** Initialize member variables
* \param iWidth Picture width
* \param iHeight Picture height
* \param uiMaxWidth Maximum CU width
* \param uiMaxHeight Maximum CU height
* \param uiMaxDepth Maximum CU depth
* \param uiMaxAQDepth Maximum depth of unit block for assigning QP adaptive to local image characteristics
* \param bIsVirtual
* \return Void
*/
Void TEncPic::create( Int iWidth, Int iHeight, ChromaFormat chromaFormat, UInt uiMaxWidth, UInt uiMaxHeight, UInt uiMaxDepth, UInt uiMaxAQDepth,
Window &conformanceWindow, Window &defaultDisplayWindow, Int *numReorderPics, Bool bIsVirtual )
{
TComPic::create( iWidth, iHeight, chromaFormat, uiMaxWidth, uiMaxHeight, uiMaxDepth, conformanceWindow, defaultDisplayWindow, numReorderPics, bIsVirtual );
m_uiMaxAQDepth = uiMaxAQDepth;
if ( uiMaxAQDepth > 0 )
{
m_acAQLayer = new TEncPicQPAdaptationLayer[ m_uiMaxAQDepth ];
for (UInt d = 0; d < m_uiMaxAQDepth; d++)
{
m_acAQLayer[d].create( iWidth, iHeight, uiMaxWidth>>d, uiMaxHeight>>d );
}
}
}
/** Clean up
* \return Void
*/
Void TEncPic::destroy()
{
if (m_acAQLayer)
{
delete[] m_acAQLayer;
m_acAQLayer = NULL;
}
TComPic::destroy();
}
//! \}