Exemplo n.º 1
0
ErrVal MbCoder::xWriteTextureInfo( MbDataAccess&            rcMbDataAccess,
																	 MbDataAccess*						pcMbDataAccessBase,	// JVT-R091
                                   const MbTransformCoeffs& rcMbTCoeff,
                                   Bool											bTrafo8x8Flag
                                   )
{

  Bool bWriteDQp = true;
  UInt uiCbp = rcMbDataAccess.getMbData().getMbCbp();

  if( ! rcMbDataAccess.getMbData().isIntra16x16() )
  {
    RNOK( m_pcMbSymbolWriteIf->cbp( rcMbDataAccess ) );

    bWriteDQp = ( 0 != uiCbp );
  }


  if( bTrafo8x8Flag && ( rcMbDataAccess.getMbData().getMbCbp() & 0x0F ) )
  {
    ROT( rcMbDataAccess.getMbData().isIntra16x16() );
    ROT( rcMbDataAccess.getMbData().isIntra4x4  () );
    RNOK( m_pcMbSymbolWriteIf->transformSize8x8Flag( rcMbDataAccess ) );
  }

  if( bWriteDQp )
  {
    RNOK( m_pcMbSymbolWriteIf->deltaQp( rcMbDataAccess ) );
  }

  
  if( rcMbDataAccess.getMbData().getBLSkipFlag() ||
     !rcMbDataAccess.getMbData().isIntra() )
  {
    if( rcMbDataAccess.getSH().getAdaptivePredictionFlag() )
    {
      if( ! rcMbDataAccess.getSH().isIntra() )
      {
        RNOK( m_pcMbSymbolWriteIf->resPredFlag( rcMbDataAccess ) );
        if ( rcMbDataAccess.getMbData().getResidualPredFlag( PART_16x16 ) && 
              rcMbDataAccess.getMbData().getBLSkipFlag() )
        {
          RNOK( m_pcMbSymbolWriteIf->smoothedRefFlag( rcMbDataAccess ) );
        }
      }
    }
  }

  if( rcMbDataAccess.getMbData().isIntra16x16() )
  {
    RNOK( xScanLumaIntra16x16( rcMbDataAccess, rcMbTCoeff, rcMbDataAccess.getMbData().isAcCoded() ) );
    RNOK( xScanChromaBlocks  ( rcMbDataAccess, rcMbTCoeff, rcMbDataAccess.getMbData().getCbpChroma16x16() ) );

    return Err::m_nOK;
  }



  if( rcMbDataAccess.getMbData().isTransformSize8x8() )
  {
    for( B8x8Idx c8x8Idx; c8x8Idx.isLegal(); c8x8Idx++ )
    {
      if( (uiCbp >> c8x8Idx.b8x8Index()) & 1 )
      {
        RNOK( m_pcMbSymbolWriteIf->residualBlock8x8( rcMbDataAccess, c8x8Idx, LUMA_SCAN ) );
      }
    }
  }
  else
  {
    for( B8x8Idx c8x8Idx; c8x8Idx.isLegal(); c8x8Idx++ )
Exemplo n.º 2
0
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;
}