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;
}
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;
}
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;
}