HEVC学习（三十二） —— 去方块滤波之三

最新推荐文章于 2023-05-10 19:15:32 发布

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HEVC_CJL

最新推荐文章于 2023-05-10 19:15:32 发布

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分类专栏： HEVC 文章标签： deblock HEVC HM 去方块滤波

本文链接：https://blog.youkuaiyun.com/HEVC_CJL/article/details/8541855

本文详细介绍了HEVC编码中去方块滤波的实现过程，包括函数`xSetEdgefilterPU`和`xSetEdgefilterMultiple`的功能，以及如何根据不同的PU划分模式设置滤波边界。内容涉及到边界设置、滤波参数更新以及不同尺寸的处理策略。

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Void TComLoopFilter::xSetEdgefilterPU( TComDataCU* pcCU, UInt uiAbsZorderIdx )
{
  const UInt uiDepth = pcCU->getDepth( uiAbsZorderIdx );
  const UInt uiWidthInBaseUnits  = pcCU->getPic()->getNumPartInWidth () >> uiDepth;
  const UInt uiHeightInBaseUnits = pcCU->getPic()->getNumPartInHeight() >> uiDepth;
  const UInt uiHWidthInBaseUnits  = uiWidthInBaseUnits  >> 1; //!< half
  const UInt uiHHeightInBaseUnits = uiHeightInBaseUnits >> 1; //!< half
  const UInt uiQWidthInBaseUnits  = uiWidthInBaseUnits  >> 2; //!< quater
  const UInt uiQHeightInBaseUnits = uiHeightInBaseUnits >> 2; //!< quater
  //!  Void xSetEdgefilterMultiple( TComDataCU* pcCU, UInt uiAbsZorderIdx, UInt uiDepth, Int iDir, Int iEdgeIdx, Bool bValue ,
  //! UInt uiWidthInBaseUnits = 0, UInt uiHeightInBaseUnits = 0 );
  xSetEdgefilterMultiple( pcCU, uiAbsZorderIdx, uiDepth, EDGE_VER, 0, m_stLFCUParam.bLeftEdge ); //!&l