C++ (Cpp) S4x4Idx::isLegal Examples

Example #1

File: MbCoder.cpp Project: edwardtoday/BE-thesis-code

ErrVal MbCoder::xWriteIntraPredModes( MbDataAccess& rcMbDataAccess )
{
  ROFRS( rcMbDataAccess.getMbData().isIntra(), Err::m_nOK );

  if( rcMbDataAccess.getMbData().isIntra4x4() )
  {
    if( rcMbDataAccess.getSH().getPPS().getTransform8x8ModeFlag() )
    {
      RNOK( m_pcMbSymbolWriteIf->transformSize8x8Flag( rcMbDataAccess ) );
    }

    if( rcMbDataAccess.getMbData().isTransformSize8x8() )
    {
      for( B8x8Idx cIdx; cIdx.isLegal(); cIdx++ )
      {
        RNOK( m_pcMbSymbolWriteIf->intraPredModeLuma( rcMbDataAccess, cIdx ) );
      }
    }
    else
    {
      for( S4x4Idx cIdx; cIdx.isLegal(); cIdx++ )
      {
        RNOK( m_pcMbSymbolWriteIf->intraPredModeLuma( rcMbDataAccess, cIdx ) );
      }
    }
  }

  if( rcMbDataAccess.getMbData().isIntra4x4() || rcMbDataAccess.getMbData().isIntra16x16() )
  {
    RNOK( m_pcMbSymbolWriteIf->intraPredModeChroma( rcMbDataAccess ) );
  }

  return Err::m_nOK;
}

Example #2

File: MbParser.cpp Project: dewn49/thialgou

ErrVal
MbParser::xReadIntraPredModes( MbDataAccess& rcMbDataAccess )
{
  ROFRS( rcMbDataAccess.getMbData().isIntra(), Err::m_nOK );

  if( rcMbDataAccess.getMbData().isIntra4x4() )
  {
    if( rcMbDataAccess.getSH().getPPS().getTransform8x8ModeFlag() )
    {
      DECRNOK( m_pcMbSymbolReadIf->transformSize8x8Flag( rcMbDataAccess ) );
    }

    if( rcMbDataAccess.getMbData().isTransformSize8x8() )
    {
      for( B8x8Idx cIdx; cIdx.isLegal(); cIdx++ )
      {
        DECRNOK( m_pcMbSymbolReadIf->intraPredModeLuma8x8( rcMbDataAccess, cIdx ) );
      }
    }
    else
    {
      for( S4x4Idx cIdx; cIdx.isLegal(); cIdx++ )
      {
        DECRNOK( m_pcMbSymbolReadIf->intraPredModeLuma( rcMbDataAccess, cIdx ) );
      }
    }
  }

  if( rcMbDataAccess.getMbData().isIntra4x4() || rcMbDataAccess.getMbData().isIntra16x16() )
  {
    if( rcMbDataAccess.getSH().getSPS().getChromaFormatIdc() )
    {
      DECRNOK( m_pcMbSymbolReadIf->intraPredModeChroma( rcMbDataAccess ) );
    }
    else
    {
      rcMbDataAccess.getMbData().setChromaPredMode( 0 ); // DC prediction
    }
  }

  return Err::m_nOK;
}

Example #3

File: MbParser.cpp Project: dewn49/thialgou

ErrVal
MbParser::xReadTextureInfo( MbDataAccess&   rcMbDataAccess,
                            Bool            bTrafo8x8Flag,
                            Bool            bBaseLayerAvailable,
                            UInt            uiStart,
                            UInt            uiStop )
{
  Bool bReadDQp = ( uiStart < uiStop );

  if( !rcMbDataAccess.getSH().isIntraSlice() && 
      rcMbDataAccess.getMbData().getInCropWindowFlag() && 
      ( rcMbDataAccess.getMbData().getBLSkipFlag() || !rcMbDataAccess.getMbData().isIntra() ) )
  {
    if( rcMbDataAccess.getSH().getAdaptiveResidualPredictionFlag() )
    {
      DECRNOK( m_pcMbSymbolReadIf->resPredFlag( rcMbDataAccess ) );
    }
    else
    {
      rcMbDataAccess.getMbData().setResidualPredFlag( rcMbDataAccess.getSH().getDefaultResidualPredictionFlag() );
    }
  }
  else
  {
    rcMbDataAccess.getMbData().setResidualPredFlag( false );
  }

  if( rcMbDataAccess.getMbData().getBLSkipFlag() ||
     !rcMbDataAccess.getMbData().isIntra16x16() )
  {
    if( uiStart >= uiStop )
    {
      rcMbDataAccess.getMbData().setMbCbp( 0 );
    }
    else
    {
      DECRNOK( m_pcMbSymbolReadIf->cbp( rcMbDataAccess, uiStart, uiStop ) );
    }
    bReadDQp = rcMbDataAccess.getMbData().getMbCbp() != 0;
  }

  if( bTrafo8x8Flag && ( rcMbDataAccess.getMbData().getMbCbp() & 0x0F ) )
  {
    DECRNOK( m_pcMbSymbolReadIf->transformSize8x8Flag( rcMbDataAccess ) );
  }

  if( bReadDQp )
  {
    DECRNOK( m_pcMbSymbolReadIf->deltaQp( rcMbDataAccess ) );
  }
  else
  {
    rcMbDataAccess.resetQp();
  }

  Bool bIntra16x16 = ( !rcMbDataAccess.getMbData().getBLSkipFlag() &&
                        rcMbDataAccess.getMbData().isIntra16x16 ()   );
  if( bIntra16x16 )
  {
    UInt uiDummy = 0;
    if( uiStart == 0 && uiStop != 0 )
    {
      DECRNOK( m_pcMbSymbolReadIf->residualBlock( rcMbDataAccess, B4x4Idx(0), LUMA_I16_DC, uiDummy, uiStart, uiStop ) );
    }
    if( rcMbDataAccess.getMbData().isAcCoded() && uiStop > 1 )
    {
      for( S4x4Idx cIdx; cIdx.isLegal(); cIdx++ )
      {
        DECRNOK( m_pcMbSymbolReadIf->residualBlock( rcMbDataAccess, cIdx, LUMA_I16_AC, uiDummy, uiStart, uiStop ) );
      }
      rcMbDataAccess.getMbData().setMbCbp( 0xf + ( rcMbDataAccess.getMbData().getCbpChroma16x16() << 4) );
    }
    else
    {
      rcMbDataAccess.getMbData().setMbCbp( 0x0 + ( rcMbDataAccess.getMbData().getCbpChroma16x16() << 4) );
    }

    DECRNOK( xScanChromaBlocks( rcMbDataAccess,  rcMbDataAccess.getMbData().getCbpChroma16x16(), uiStart, uiStop ) );
    return Err::m_nOK;
  }


  UInt uiMbExtCbp = rcMbDataAccess.getMbData().getMbExtCbp();

  if( rcMbDataAccess.getMbData().isTransformSize8x8() )
  {
    for( B8x8Idx c8x8Idx; c8x8Idx.isLegal(); c8x8Idx++ )
    {
      if( uiMbExtCbp & ( 1 << c8x8Idx.b4x4() ) )
      {
        DECRNOK( m_pcMbSymbolReadIf->residualBlock8x8( rcMbDataAccess, c8x8Idx, uiStart, uiStop ) );
      }
    }
  }
  else
  {
    for( B8x8Idx c8x8Idx; c8x8Idx.isLegal(); c8x8Idx++ )
    {
      if( uiMbExtCbp & ( 1 << c8x8Idx.b4x4() ) )
      {
        for( S4x4Idx cIdx( c8x8Idx ); cIdx.isLegal( c8x8Idx ); cIdx++ )
        {
          DECRNOK( m_pcMbSymbolReadIf->residualBlock( rcMbDataAccess, cIdx , LUMA_SCAN, uiMbExtCbp, uiStart, uiStop ) );
        }
      }
    }

  }
  rcMbDataAccess.getMbData().setMbExtCbp( uiMbExtCbp );

  DECRNOK( xScanChromaBlocks  ( rcMbDataAccess,  rcMbDataAccess.getMbData().getCbpChroma4x4(), uiStart, uiStop ) );
  return Err::m_nOK;
}