ErrVal UvlcReader::xGetSvlcCode( Int& riVal)
{
UInt uiBits = 0;
DTRACE_DO( m_uiBitCounter = 1 );
DTRACE_TY( "se(v)" );
DECRNOK( m_pcBitReadBuffer->get( uiBits, 1 ) );
DTRACE_BITS(uiBits, 1);
if( 0 == uiBits )
{
UInt uiLength = 0;
while( ! ( uiBits & 1 ))
{
DECRNOK( m_pcBitReadBuffer->get( uiBits, 1 ) );
DTRACE_BITS(uiBits, 1);
uiLength++;
}
DTRACE_DO( m_uiBitCounter += 2*uiLength );
DECRNOK( m_pcBitReadBuffer->get( uiBits, uiLength ) );
DTRACE_BITS(uiBits, uiLength);
uiBits += (1 << uiLength);
riVal = ( uiBits & 1) ? -(Int)(uiBits>>1) : (Int)(uiBits>>1);
}
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::xScanChromaBlocks( MbDataAccess& rcMbDataAccess, UInt uiChromCbp, UInt uiStart, UInt uiStop )
{
ROTRS( 1 > uiChromCbp, Err::m_nOK );
if( uiStart == 0 )
{
DECRNOK( m_pcMbSymbolReadIf->residualBlock( rcMbDataAccess, CIdx(0), CHROMA_DC, uiStart, uiStop ) );
DECRNOK( m_pcMbSymbolReadIf->residualBlock( rcMbDataAccess, CIdx(4), CHROMA_DC, uiStart, uiStop ) );
}
ROTRS( 2 > uiChromCbp, Err::m_nOK );
for( CIdx cCIdx; cCIdx.isLegal(); cCIdx++ )
{
if( uiStop > 1 )
{
DECRNOK( m_pcMbSymbolReadIf->residualBlock( rcMbDataAccess, cCIdx, CHROMA_AC, uiStart, uiStop ) );
}
}
return Err::m_nOK;
}
ErrVal
MbParser::xGet8x8BlockMv( MbDataAccess& rcMbDataAccess, B8x8Idx c8x8Idx, ListIdx eLstIdx )
{
ParIdx8x8 eParIdx = c8x8Idx.b8x8();
switch( rcMbDataAccess.getMbData().getBlkMode( c8x8Idx.b8x8Index() ) )
{
case BLK_8x8:
{
DECRNOK( m_pcMbSymbolReadIf->mvd( rcMbDataAccess, eLstIdx, eParIdx ) );
break;
}
case BLK_8x4:
{
DECRNOK( m_pcMbSymbolReadIf->mvd( rcMbDataAccess, eLstIdx, eParIdx, SPART_8x4_0 ) );
DECRNOK( m_pcMbSymbolReadIf->mvd( rcMbDataAccess, eLstIdx, eParIdx, SPART_8x4_1 ) );
break;
}
case BLK_4x8:
{
DECRNOK( m_pcMbSymbolReadIf->mvd( rcMbDataAccess, eLstIdx, eParIdx, SPART_4x8_0 ) );
DECRNOK( m_pcMbSymbolReadIf->mvd( rcMbDataAccess, eLstIdx, eParIdx, SPART_4x8_1 ) );
break;
}
case BLK_4x4:
{
DECRNOK( m_pcMbSymbolReadIf->mvd( rcMbDataAccess, eLstIdx, eParIdx, SPART_4x4_0 ) );
DECRNOK( m_pcMbSymbolReadIf->mvd( rcMbDataAccess, eLstIdx, eParIdx, SPART_4x4_1 ) );
DECRNOK( m_pcMbSymbolReadIf->mvd( rcMbDataAccess, eLstIdx, eParIdx, SPART_4x4_2 ) );
DECRNOK( m_pcMbSymbolReadIf->mvd( rcMbDataAccess, eLstIdx, eParIdx, SPART_4x4_3 ) );
break;
}
case BLK_SKIP:
{
break;
}
default:
{
return Err::m_nERR;
}
}
return Err::m_nOK;
}
ErrVal UvlcReader::xGetUvlcCode( UInt& ruiVal)
{
UInt uiVal = 0;
UInt uiCode = 0;
UInt uiLength;
DTRACE_DO( m_uiBitCounter = 1 );
DTRACE_TY( "ue(v)" );
DECRNOK( m_pcBitReadBuffer->get( uiCode, 1 ) );
DTRACE_BITS(uiCode, 1);
if( 0 == uiCode )
{
uiLength = 0;
while( ! ( uiCode & 1 ))
{
DECRNOK( m_pcBitReadBuffer->get( uiCode, 1 ) );
DTRACE_BITS(uiCode, 1);
uiLength++;
}
DTRACE_DO( m_uiBitCounter += 2*uiLength );
DECRNOK( m_pcBitReadBuffer->get( uiVal, uiLength ) );
DTRACE_BITS(uiVal, uiLength);
uiVal += (1 << uiLength)-1;
}
ruiVal = uiVal;
DTRACE_POS;
DTRACE_CODE(uiVal);
DTRACE_COUNT(m_uiBitCounter);
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;
}
ErrVal
MbParser::read( MbDataAccess& rcMbDataAccess,
UInt uiNumMbRead,
Bool& rbEndOfSlice,
UInt& ruiNextSkippedVLC )
{
const CommonMainH264* pcMainH264 = CommonMain::getMainH264();
// FIXME:
if (pcMainH264->getCurrentPictureId() == 1 && pcMainH264->getCurrentLayerId() == 16 && rcMbDataAccess.getMbData().getMbAddr() == 76)
{
int a = 0;
}
ROF( m_bInitDone );
ROTRS( xCheckSkipSliceMb( rcMbDataAccess, uiNumMbRead, rbEndOfSlice ), Err::m_nOK );
Bool bIsCoded = true;
if( m_pcMbSymbolReadIf->isMbSkipped( rcMbDataAccess, ruiNextSkippedVLC ) )
{
bIsCoded = false;
rcMbDataAccess.getMbTCoeffs().clear();
rcMbDataAccess.getMbData().clearIntraPredictionModes( true );
RNOK( xSkipMb( rcMbDataAccess ) );
rcMbDataAccess.getMbData().setBLSkipFlag( false );
rcMbDataAccess.getMbData().setResidualPredFlag( rcMbDataAccess.getMbData().getInCropWindowFlag() ? rcMbDataAccess.getSH().getDefaultResidualPredictionFlag() : false );
if( rcMbDataAccess.getSH().isBSlice() )
{
rcMbDataAccess.getMbData().setFwdBwd( 0x3333 );
rcMbDataAccess.getMbMotionData( LIST_0 ).clear( RefIdxValues(1) );
rcMbDataAccess.getMbMvdData ( LIST_0 ).clear();
rcMbDataAccess.getMbMotionData( LIST_1 ).clear( RefIdxValues(1) );
rcMbDataAccess.getMbMvdData ( LIST_1 ).clear();
}
else
{
rcMbDataAccess.getMbData().setFwdBwd( 0x1111 );
rcMbDataAccess.getMbMotionData( LIST_0 ).clear( RefIdxValues(1) );
rcMbDataAccess.getMbMvdData ( LIST_0 ).clear();
}
rcMbDataAccess.resetQp(); // set QP to that of the last macroblock
}
if( bIsCoded )
{
if( rcMbDataAccess.getSH().isMbaffFrame() && ( rcMbDataAccess.isTopMb() || m_bPrevIsSkipped ) )
{
RNOK( m_pcMbSymbolReadIf->fieldFlag( rcMbDataAccess) );
}
Bool bBaseLayerAvailable = ! rcMbDataAccess.getSH().getNoInterLayerPredFlag();
//===== base layer mode flag and base layer refinement flag =====
if( bBaseLayerAvailable )
{
if ( rcMbDataAccess.getMbData().getInCropWindowFlag() == true )
{
if( rcMbDataAccess.getSH().getAdaptiveBaseModeFlag() )
{
m_pcMbSymbolReadIf->isBLSkipped( rcMbDataAccess );
}
else
{
rcMbDataAccess.getMbData().setBLSkipFlag( rcMbDataAccess.getSH().getDefaultBaseModeFlag() );
}
}
else
{
rcMbDataAccess.getMbData().setBLSkipFlag( false );
}
}
else
{
rcMbDataAccess.getMbData().setBLSkipFlag( false );
}
if( rcMbDataAccess.getSH().getStoreRefBasePicFlag() && rcMbDataAccess.getSH().getQualityId() > 0 && rcMbDataAccess.getMbData().getBLSkipFlag() == false )
{
printf("Conformance Issue: base_mode_flag = 0 in enhancement layer MGS key picture\n");
}
//===== macroblock mode =====
if( ! rcMbDataAccess.getMbData().getBLSkipFlag() )
{
DECRNOK( m_pcMbSymbolReadIf->mbMode( rcMbDataAccess ) );
}
if( rcMbDataAccess.getMbData().getBLSkipFlag() )
{
//===== copy motion data from base layer ======
rcMbDataAccess.getMbMvdData( LIST_0 ).clear();
rcMbDataAccess.getMbMvdData( LIST_1 ).clear();
rcMbDataAccess.getMbData().setBLSkipFlag( true );
}
else
{
//===== BLOCK MODES =====
if( rcMbDataAccess.getMbData().isInter8x8() )
{
DECRNOK( m_pcMbSymbolReadIf->blockModes( rcMbDataAccess ) );
//===== set motion data for skip block mode =====
UInt uiFwdBwd = 0;
for( B8x8Idx c8x8Idx; c8x8Idx.isLegal(); c8x8Idx++ )
{
UInt uiBlkFwdBwd = rcMbDataAccess.getMbData().getBlockFwdBwd( c8x8Idx.b8x8Index() );
if( rcMbDataAccess.getMbData().getBlkMode( c8x8Idx.b8x8Index() ) == BLK_SKIP )
{
uiBlkFwdBwd = 3;
rcMbDataAccess.getMbMotionData( LIST_0 ).setRefIdx( 1, c8x8Idx.b8x8() );
rcMbDataAccess.getMbMotionData( LIST_1 ).setRefIdx( 1, c8x8Idx.b8x8() );
rcMbDataAccess.getMbMvdData ( LIST_0 ).setAllMv ( Mv::ZeroMv(), c8x8Idx.b8x8() );
rcMbDataAccess.getMbMvdData ( LIST_1 ).setAllMv ( Mv::ZeroMv(), c8x8Idx.b8x8() );
}
uiFwdBwd |= ( uiBlkFwdBwd << ( c8x8Idx.b8x8Index() * 4 ) );
}
rcMbDataAccess.getMbData().setFwdBwd( uiFwdBwd );
}
rcMbDataAccess.resetQp(); // set QP to that of the last macroblock
//===== MOTION DATA =====
MbMode eMbMode = rcMbDataAccess.getMbData().getMbMode();
if( rcMbDataAccess.getMbData().isIntra() )
{
//===== clear mtoion data for intra blocks =====
rcMbDataAccess.getMbMotionData( LIST_0 ).clear( BLOCK_NOT_PREDICTED );
rcMbDataAccess.getMbMvdData ( LIST_0 ).clear();
if( rcMbDataAccess.getSH().isBSlice() )
{
rcMbDataAccess.getMbMotionData( LIST_1 ).clear( BLOCK_NOT_PREDICTED );
rcMbDataAccess.getMbMvdData ( LIST_1 ).clear();
}
}
else if( eMbMode == MODE_SKIP )
{
if( rcMbDataAccess.getSH().isBSlice() )
{
rcMbDataAccess.getMbData().setFwdBwd( 0x3333 );
rcMbDataAccess.getMbMotionData( LIST_0 ).clear( RefIdxValues(1) );
rcMbDataAccess.getMbMvdData ( LIST_0 ).clear();
rcMbDataAccess.getMbMotionData( LIST_1 ).clear( RefIdxValues(1) );
rcMbDataAccess.getMbMvdData ( LIST_1 ).clear();
}
else
{
rcMbDataAccess.getMbData().setFwdBwd( 0x1111 );
rcMbDataAccess.getMbMotionData( LIST_0 ).clear( RefIdxValues(1) );
rcMbDataAccess.getMbMvdData ( LIST_0 ).clear();
rcMbDataAccess.getMbMotionData( LIST_1 ).clear( BLOCK_NOT_PREDICTED );
rcMbDataAccess.getMbMvdData ( LIST_1 ).clear();
}
}
else
{
if( rcMbDataAccess.getSH().isBSlice() )
{
DECRNOK( xReadMotionPredFlags ( rcMbDataAccess, eMbMode, LIST_0 ) );
DECRNOK( xReadMotionPredFlags ( rcMbDataAccess, eMbMode, LIST_1 ) );
DECRNOK( xReadReferenceIndices ( rcMbDataAccess, eMbMode, LIST_0 ) );
DECRNOK( xReadReferenceIndices ( rcMbDataAccess, eMbMode, LIST_1 ) );
DECRNOK( xReadMotionVectors ( rcMbDataAccess, eMbMode, LIST_0 ) );
DECRNOK( xReadMotionVectors ( rcMbDataAccess, eMbMode, LIST_1 ) );
}
else
{
DECRNOK( xReadMotionPredFlags ( rcMbDataAccess, eMbMode, LIST_0 ) );
DECRNOK( xReadReferenceIndices ( rcMbDataAccess, eMbMode, LIST_0 ) );
DECRNOK( xReadMotionVectors ( rcMbDataAccess, eMbMode, LIST_0 ) );
}
}
}
//===== TEXTURE INFO =====
if( rcMbDataAccess.getMbData().isPCM() )
{
DECRNOK( m_pcMbSymbolReadIf->samplesPCM( rcMbDataAccess ) );
}
else
{
if( ! rcMbDataAccess.getMbData().getBLSkipFlag() )
{
DECRNOK( xReadIntraPredModes( rcMbDataAccess ) );
}
Bool bTrafo8x8Flag = ( rcMbDataAccess.getSH().getPPS().getTransform8x8ModeFlag() &&
( rcMbDataAccess.getMbData().getBLSkipFlag() ||
( rcMbDataAccess.getMbData().is8x8TrafoFlagPresent( rcMbDataAccess.getSH().getSPS().getDirect8x8InferenceFlag() ) &&
!rcMbDataAccess.getMbData().isIntra4x4() ) ) );
bBaseLayerAvailable = ! rcMbDataAccess.getSH().getNoInterLayerPredFlag();
DECRNOK( xReadTextureInfo( rcMbDataAccess,
bTrafo8x8Flag,
bBaseLayerAvailable,
rcMbDataAccess.getSH().getScanIdxStart(),
rcMbDataAccess.getSH().getScanIdxStop() ) );
}
}
m_bPrevIsSkipped = ! bIsCoded;
if( rcMbDataAccess.getSH().isMbaffFrame() && ( rcMbDataAccess.isTopMb() ) )
{
rbEndOfSlice = false;
return Err::m_nOK;
}
//===== terminating bits =====
rbEndOfSlice = m_pcMbSymbolReadIf->isEndOfSlice();
return Err::m_nOK;
}
ErrVal
MbParser::xReadMotionVectors( MbDataAccess& rcMbDataAccess, MbMode eMbMode, ListIdx eLstIdx )
{
ROTRS( rcMbDataAccess.getMbData().isIntra(), Err::m_nOK );
switch( eMbMode )
{
case MODE_SKIP:
{
return Err::m_nOK;
}
case MODE_16x16:
{
if( rcMbDataAccess.getMbData().isBlockFwdBwd( B_8x8_0, eLstIdx ) )
{
DECRNOK( m_pcMbSymbolReadIf->mvd( rcMbDataAccess, eLstIdx ) );
}
return Err::m_nOK;
}
case MODE_16x8:
{
if( rcMbDataAccess.getMbData().isBlockFwdBwd( B_8x8_0, eLstIdx ) )
{
DECRNOK( m_pcMbSymbolReadIf->mvd( rcMbDataAccess, eLstIdx, PART_16x8_0 ) );
}
if( rcMbDataAccess.getMbData().isBlockFwdBwd( B_8x8_2, eLstIdx ) )
{
DECRNOK( m_pcMbSymbolReadIf->mvd( rcMbDataAccess, eLstIdx, PART_16x8_1 ) );
}
return Err::m_nOK;
}
case MODE_8x16:
{
if( rcMbDataAccess.getMbData().isBlockFwdBwd( B_8x8_0, eLstIdx ) )
{
DECRNOK( m_pcMbSymbolReadIf->mvd( rcMbDataAccess, eLstIdx, PART_8x16_0 ) );
}
if( rcMbDataAccess.getMbData().isBlockFwdBwd( B_8x8_1, eLstIdx ) )
{
DECRNOK( m_pcMbSymbolReadIf->mvd( rcMbDataAccess, eLstIdx, PART_8x16_1 ) );
}
return Err::m_nOK;
}
case MODE_8x8:
case MODE_8x8ref0:
{
for( B8x8Idx c8x8Idx; c8x8Idx.isLegal(); c8x8Idx++ )
{
if( rcMbDataAccess.getMbData().isBlockFwdBwd( c8x8Idx.b8x8Index(), eLstIdx ) )
{
DECRNOK( xGet8x8BlockMv( rcMbDataAccess, c8x8Idx, eLstIdx ) );
}
}
return Err::m_nOK;
}
default:
{
AF();
return Err::m_nERR;
}
}
return Err::m_nERR;
}
ErrVal
MbParser::xReadMotionPredFlags( MbDataAccess& rcMbDataAccess,
MbMode eMbMode,
ListIdx eLstIdx )
{
ROTRS( rcMbDataAccess.getSH ().getNoInterLayerPredFlag(), Err::m_nOK );
ROFRS( rcMbDataAccess.getMbData ().getInCropWindowFlag(), Err::m_nOK );
MbMotionData& rcMbMotionData = rcMbDataAccess.getMbMotionData( eLstIdx );
rcMbMotionData.setMotPredFlag( rcMbDataAccess.getSH().getDefaultMotionPredictionFlag() );
ROFRS ( rcMbDataAccess.getSH().getAdaptiveMotionPredictionFlag(), Err::m_nOK );
//--- clear ---
rcMbMotionData.setMotPredFlag( false );
if( rcMbDataAccess.getMbData().isIntra() )
{
return Err::m_nOK;
}
switch( eMbMode )
{
case MODE_SKIP:
{
break;
}
case MODE_16x16:
{
if( rcMbDataAccess.getMbData().isBlockFwdBwd( B_8x8_0, eLstIdx ) )
{
DECRNOK( m_pcMbSymbolReadIf->motionPredFlag( rcMbDataAccess, eLstIdx ) );
}
break;
}
case MODE_16x8:
{
if( rcMbDataAccess.getMbData().isBlockFwdBwd( B_8x8_0, eLstIdx ) )
{
DECRNOK( m_pcMbSymbolReadIf->motionPredFlag( rcMbDataAccess, eLstIdx, PART_16x8_0 ) );
}
if( rcMbDataAccess.getMbData().isBlockFwdBwd( B_8x8_2, eLstIdx ) )
{
DECRNOK( m_pcMbSymbolReadIf->motionPredFlag( rcMbDataAccess, eLstIdx, PART_16x8_1 ) );
}
break;
}
case MODE_8x16:
{
if( rcMbDataAccess.getMbData().isBlockFwdBwd( B_8x8_0, eLstIdx ) )
{
DECRNOK( m_pcMbSymbolReadIf->motionPredFlag( rcMbDataAccess, eLstIdx, PART_8x16_0 ) );
}
if( rcMbDataAccess.getMbData().isBlockFwdBwd( B_8x8_1, eLstIdx ) )
{
DECRNOK( m_pcMbSymbolReadIf->motionPredFlag( rcMbDataAccess, eLstIdx, PART_8x16_1 ) );
}
break;
}
case MODE_8x8:
case MODE_8x8ref0:
{
for( B8x8Idx c8x8Idx; c8x8Idx.isLegal(); c8x8Idx++ )
{
if( BLK_SKIP != rcMbDataAccess.getMbData().getBlkMode ( c8x8Idx.b8x8Index() ) &&
rcMbDataAccess .getMbData().isBlockFwdBwd( c8x8Idx.b8x8Index(), eLstIdx ) )
{
DECRNOK( m_pcMbSymbolReadIf->motionPredFlag( rcMbDataAccess, eLstIdx, c8x8Idx.b8x8() ) );
}
}
break;
}
default:
{
AF();
return Err::m_nERR;
}
}
return Err::m_nOK;
}
ErrVal
MbParser::xReadReferenceIndices( MbDataAccess& rcMbDataAccess, MbMode eMbMode, ListIdx eLstIdx )
{
MbMotionData& rcMbMotionData = rcMbDataAccess.getMbMotionData( eLstIdx );
if( rcMbDataAccess.getMbData().isIntra() )
{
rcMbMotionData.setRefIdx( -1 );
return Err::m_nOK;
}
switch( eMbMode )
{
case MODE_SKIP:
{
break;
}
case MODE_16x16:
{
if( rcMbDataAccess.getMbData().isBlockFwdBwd( B_8x8_0, eLstIdx ) )
{
if( !rcMbMotionData.getMotPredFlag() )
{
if( 1 == rcMbDataAccess.getNumActiveRef( eLstIdx ) )
{
rcMbMotionData.setRefIdx( 1 );
}
else
{
DECRNOK( m_pcMbSymbolReadIf->refFrame( rcMbDataAccess, eLstIdx ) );
}
}
}
else
{
rcMbMotionData.setRefIdx( BLOCK_NOT_PREDICTED );
}
break;
}
case MODE_16x8:
{
if( rcMbDataAccess.getMbData().isBlockFwdBwd( B_8x8_0, eLstIdx ) )
{
if( !rcMbMotionData.getMotPredFlag(PART_16x8_0) )
{
if( 1 == rcMbDataAccess.getNumActiveRef( eLstIdx ) )
{
rcMbMotionData.setRefIdx( 1, PART_16x8_0 );
}
else
{
DECRNOK( m_pcMbSymbolReadIf->refFrame( rcMbDataAccess, eLstIdx, PART_16x8_0 ) );
}
}
}
else
{
rcMbMotionData.setRefIdx( BLOCK_NOT_PREDICTED, PART_16x8_0 );
}
if( rcMbDataAccess.getMbData().isBlockFwdBwd( B_8x8_2, eLstIdx ) )
{
if( !rcMbMotionData.getMotPredFlag(PART_16x8_1) )
{
if( 1 == rcMbDataAccess.getNumActiveRef( eLstIdx ) )
{
rcMbMotionData.setRefIdx( 1, PART_16x8_1 );
}
else
{
DECRNOK( m_pcMbSymbolReadIf->refFrame( rcMbDataAccess, eLstIdx, PART_16x8_1 ) );
}
}
}
else
{
rcMbMotionData.setRefIdx( BLOCK_NOT_PREDICTED, PART_16x8_1 );
}
break;
}
case MODE_8x16:
{
if( rcMbDataAccess.getMbData().isBlockFwdBwd( B_8x8_0, eLstIdx ) )
{
if( !rcMbMotionData.getMotPredFlag(PART_8x16_0) )
{
if( 1 == rcMbDataAccess.getNumActiveRef( eLstIdx ) )
{
rcMbMotionData.setRefIdx( 1, PART_8x16_0 );
}
else
{
DECRNOK( m_pcMbSymbolReadIf->refFrame( rcMbDataAccess, eLstIdx, PART_8x16_0 ) );
}
}
}
else
{
rcMbMotionData.setRefIdx( BLOCK_NOT_PREDICTED, PART_8x16_0 );
}
if( rcMbDataAccess.getMbData().isBlockFwdBwd( B_8x8_1, eLstIdx ) )
{
if( !rcMbMotionData.getMotPredFlag(PART_8x16_1) )
{
if( 1 == rcMbDataAccess.getNumActiveRef( eLstIdx ) )
{
rcMbMotionData.setRefIdx( 1, PART_8x16_1 );
}
else
{
DECRNOK( m_pcMbSymbolReadIf->refFrame( rcMbDataAccess, eLstIdx, PART_8x16_1 ) );
}
}
}
else
{
rcMbMotionData.setRefIdx( BLOCK_NOT_PREDICTED, PART_8x16_1 );
}
break;
}
case MODE_8x8:
{
for( B8x8Idx c8x8Idx; c8x8Idx.isLegal(); c8x8Idx++ )
{
if( BLK_SKIP != rcMbDataAccess.getMbData().getBlkMode( c8x8Idx.b8x8Index() ) )
{
if( rcMbDataAccess.getMbData().isBlockFwdBwd( c8x8Idx.b8x8Index(), eLstIdx ) )
{
if( !rcMbMotionData.getMotPredFlag(c8x8Idx.b8x8()) )
{
if( 1 == rcMbDataAccess.getNumActiveRef( eLstIdx ) )
{
rcMbMotionData.setRefIdx( 1, c8x8Idx.b8x8() );
}
else
{
DECRNOK( m_pcMbSymbolReadIf->refFrame( rcMbDataAccess, eLstIdx, c8x8Idx.b8x8() ) );
}
}
}
else
{
rcMbMotionData.setRefIdx( BLOCK_NOT_PREDICTED, c8x8Idx.b8x8() );
}
}
}
break;
}
case MODE_8x8ref0:
{
rcMbMotionData.setRefIdx( 1 );
break;
}
default:
{
AF();
return Err::m_nERR;
}
}
return Err::m_nOK;
}
