Ejemplo n.º 1
0
ErrVal MbDecoder::calcMv( MbDataAccess& rcMbDataAccess,
                          MbDataAccess* pcMbDataAccessBaseMotion )
{
  if( rcMbDataAccess.getMbData().getBLSkipFlag() )
  {
    return Err::m_nOK;
  }

  if( rcMbDataAccess.getMbData().getMbMode() == INTRA_4X4 )
  {
    //----- intra prediction -----
    rcMbDataAccess.getMbMotionData( LIST_0 ).setRefIdx( BLOCK_NOT_PREDICTED );
    rcMbDataAccess.getMbMotionData( LIST_0 ).setAllMv ( Mv::ZeroMv() );
    rcMbDataAccess.getMbMotionData( LIST_1 ).setRefIdx( BLOCK_NOT_PREDICTED );
    rcMbDataAccess.getMbMotionData( LIST_1 ).setAllMv ( Mv::ZeroMv() );
  }
  else
  {
    if( rcMbDataAccess.getMbData().getMbMode() == MODE_8x8 || rcMbDataAccess.getMbData().getMbMode() == MODE_8x8ref0 )
    {
      for( B8x8Idx c8x8Idx; c8x8Idx.isLegal(); c8x8Idx++ )
      {
        //----- motion compensated prediction -----
        RNOK( m_pcMotionCompensation->calcMvSubMb( c8x8Idx, rcMbDataAccess, pcMbDataAccessBaseMotion ) );
      }
    }
    else
    {
      //----- motion compensated prediction -----
      RNOK( m_pcMotionCompensation->calcMvMb( rcMbDataAccess, pcMbDataAccessBaseMotion ) );
    }
  }

  return Err::m_nOK;
}
Ejemplo n.º 2
0
Void IntMbTempData::copyTo( MbDataAccess& rcMbDataAccess )
{
  rcMbDataAccess.getMbData()            .copyFrom( *this );
  rcMbDataAccess.getMbTCoeffs()         .copyFrom( *this );

  rcMbDataAccess.getMbMvdData(LIST_0)   .copyFrom( m_acMbMvdData[LIST_0] );
  rcMbDataAccess.getMbMotionData(LIST_0).copyFrom( m_acMbMotionData[LIST_0] );

  if( rcMbDataAccess.getSH().isBSlice() )
  {
    rcMbDataAccess.getMbMvdData(LIST_1)   .copyFrom( m_acMbMvdData[LIST_1] );
    rcMbDataAccess.getMbMotionData(LIST_1).copyFrom( m_acMbMotionData[LIST_1] );
  }
}
Ejemplo n.º 3
0
ErrVal
MbParser::xSkipMb( MbDataAccess& rcMbDataAccess )
{
  if( rcMbDataAccess.getSH().isBSlice() )
  {
    RNOK( rcMbDataAccess.setConvertMbType( 0 ) );
  }
  else
  {
    rcMbDataAccess.getMbMotionData( LIST_0 ).setRefIdx( 1 );
    RNOK( rcMbDataAccess.setConvertMbType( MSYS_UINT_MAX ) );
  }

  rcMbDataAccess.getMbData().setMbCbp( 0 );
  return Err::m_nOK;
}
Ejemplo n.º 4
0
Bool
MbParser::xCheckSkipSliceMb( MbDataAccess& rcMbDataAccess, UInt uiNumMbRead, Bool& rbEndOfSlice )
{
  ROFRS( rcMbDataAccess.getSH().getSliceSkipFlag(), false );

  MbData& rcMbData = rcMbDataAccess.getMbData();
  rcMbData.setSkipFlag          ( false );
  rcMbData.setBLSkipFlag        ( true );
  rcMbData.setResidualPredFlag  ( true );
  rcMbData.setMbExtCbp          ( 0 );
  rcMbData.setFwdBwd            ( 0 );
  rcMbDataAccess.resetQp        ();
  rcMbDataAccess.getMbMotionData( LIST_0 ).clear( BLOCK_NOT_PREDICTED );
  rcMbDataAccess.getMbMotionData( LIST_1 ).clear( BLOCK_NOT_PREDICTED );
  rcMbDataAccess.getMbMvdData   ( LIST_0 ).clear();
  rcMbDataAccess.getMbMvdData   ( LIST_1 ).clear();

  rbEndOfSlice = ( uiNumMbRead >= rcMbDataAccess.getSH().getNumMbsInSliceMinus1() );
  return true;
}
Ejemplo n.º 5
0
ErrVal ControlMngH264AVCEncoder::initMbForCoding( MbDataAccess& rcMbDataAccess, UInt uiMbY, UInt uiMbX, Bool bMbAff, Bool bFieldFlag )
{
    ROF( m_uiCurrLayer < MAX_LAYERS );
    if( bMbAff )
    {
        rcMbDataAccess.setFieldMode( bFieldFlag );
    }
    else
    {
        //rpcMbDataAccess->getMbData().setFieldFlag( false ); // now: done above
        rcMbDataAccess.getMbMotionData( LIST_0 ).setFieldMode( false );
        rcMbDataAccess.getMbMotionData( LIST_1 ).setFieldMode( false );
    }

    RNOK( m_apcYuvFullPelBufferCtrl[m_uiCurrLayer]->initMb( uiMbY, uiMbX, bMbAff ) );
    RNOK( m_apcYuvHalfPelBufferCtrl[m_uiCurrLayer]->initMb( uiMbY, uiMbX, bMbAff ) );

    RNOK( m_pcMotionEstimation->initMb( uiMbY, uiMbX, rcMbDataAccess ) );

  return Err::m_nOK;
}
Ejemplo n.º 6
0
ErrVal
MbCoder::xWriteReferenceFrames( MbDataAccess& rcMbDataAccess,
                                MbMode        eMbMode,
                                ListIdx       eLstIdx )
{
  AOT_DBG( rcMbDataAccess.getMbData().isIntra() );

  if( 1 == rcMbDataAccess.getNumActiveRef( eLstIdx ) )
  {
    return Err::m_nOK;
  }

  Bool          bPred = rcMbDataAccess.getSH().getAdaptivePredictionFlag();
  MbMotionData& rcMot = rcMbDataAccess.getMbMotionData( eLstIdx );

  switch( eMbMode )
  {
  case MODE_SKIP:
    {
      break;
    }
    
  case MODE_16x16:
    {
      if( rcMbDataAccess.getMbData().isBlockFwdBwd( B_8x8_0, eLstIdx) && ( ! bPred || ! rcMot.getMotPredFlag() ) )
      {
        RNOK( m_pcMbSymbolWriteIf->refFrame( rcMbDataAccess, eLstIdx ) );
      }
      break;
    }
    
  case MODE_16x8:
    {
      if( rcMbDataAccess.getMbData().isBlockFwdBwd( B_8x8_0, eLstIdx) && ( ! bPred || ! rcMot.getMotPredFlag( PART_16x8_0 ) ) )
      {
        RNOK( m_pcMbSymbolWriteIf->refFrame( rcMbDataAccess, eLstIdx, PART_16x8_0 ) );
      }

      if( rcMbDataAccess.getMbData().isBlockFwdBwd( B_8x8_2, eLstIdx) && ( ! bPred || ! rcMot.getMotPredFlag( PART_16x8_1 ) ) )
      {
        RNOK( m_pcMbSymbolWriteIf->refFrame( rcMbDataAccess, eLstIdx, PART_16x8_1 ) );
      }
      break;
    }
    
  case MODE_8x16:
    {
      if( rcMbDataAccess.getMbData().isBlockFwdBwd( B_8x8_0, eLstIdx) && ( ! bPred || ! rcMot.getMotPredFlag( PART_8x16_0 ) ) )
      {
        RNOK( m_pcMbSymbolWriteIf->refFrame( rcMbDataAccess, eLstIdx, PART_8x16_0 ) );
      }

      if( rcMbDataAccess.getMbData().isBlockFwdBwd( B_8x8_1, eLstIdx) && ( ! bPred || ! rcMot.getMotPredFlag( PART_8x16_1 ) ) )
      {
        RNOK( m_pcMbSymbolWriteIf->refFrame( 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 ) && ( ! bPred || ! rcMot.getMotPredFlag( c8x8Idx.b8x8() ) ) )
        {
          RNOK( m_pcMbSymbolWriteIf->refFrame( rcMbDataAccess, eLstIdx, c8x8Idx.b8x8() ) );
        }
      }
      break;
    }
    
  default:
    {
      AF();
      return Err::m_nERR;
    }
  }

  return Err::m_nOK;
}
Ejemplo n.º 7
0
ErrVal MbCoder::encode( MbDataAccess& rcMbDataAccess,
                        MbDataAccess* pcMbDataAccessBase,
                        Int           iSpatialScalabilityType,
                        Bool          bTerminateSlice )
{
  ROF( m_bInitDone );

  //===== skip flag =====
  Bool  bIsCoded  = ! rcMbDataAccess.isSkippedMb();

  RNOK( m_pcMbSymbolWriteIf->skipFlag( rcMbDataAccess, false ) );

  if( bIsCoded )
  {
    //===== base layer mode flag and base layer refinement flag =====
    if( rcMbDataAccess.getSH().getBaseLayerId() != MSYS_UINT_MAX )
    {
      if ( pcMbDataAccessBase->getMbData().getInCropWindowFlag() == true )// TMM_ESS
      {
				if( rcMbDataAccess.getSH().getAdaptivePredictionFlag() )
				{
					RNOK  ( m_pcMbSymbolWriteIf->BLSkipFlag( rcMbDataAccess ) );
				}
				else
				{
					ROF( rcMbDataAccess.getMbData().getBLSkipFlag () );
				}
// TMM_ESS {
      }
      else  // of if ( rcMbDataAccess.getMbData().getInCropWindowFlag() == true )
      {
          ROT  ( rcMbDataAccess.getMbData().getBLSkipFlag () );
      }
// TMM_ESS }
    }
    else
    {
      ROT  ( rcMbDataAccess.getMbData().getBLSkipFlag () );
    }



    //===== macroblock mode =====
    if( ! rcMbDataAccess.getMbData().getBLSkipFlag() )
    {
      MbMode  eMbModeOrg = rcMbDataAccess.getMbData().getMbMode();
      MbMode  eMbModeSet = ( eMbModeOrg == INTRA_BL ? INTRA_4X4 : eMbModeOrg );
      rcMbDataAccess.getMbData().setMbMode( eMbModeSet );
      RNOK( m_pcMbSymbolWriteIf->mbMode( rcMbDataAccess ) );
      rcMbDataAccess.getMbData().setMbMode( eMbModeOrg );
    }

    //--- reset motion pred flags ---
    if( rcMbDataAccess.getMbData().getBLSkipFlag() 
		|| rcMbDataAccess.getMbData().isIntra() || rcMbDataAccess.getMbData().getMbMode() == MODE_SKIP )
    {
      rcMbDataAccess.getMbMotionData( LIST_0 ).setMotPredFlag( false );
      rcMbDataAccess.getMbMotionData( LIST_1 ).setMotPredFlag( false );
    }
    else if( rcMbDataAccess.getSH().isInterB() )
    {
      for( B8x8Idx c8x8Idx; c8x8Idx.isLegal(); c8x8Idx++ )
      {
        if( BLK_SKIP == rcMbDataAccess.getMbData().getBlkMode   ( c8x8Idx.b8x8Index() ) ||
            !rcMbDataAccess            .getMbData().isBlockFwdBwd( c8x8Idx.b8x8Index(), LIST_0 ) )
        {
          rcMbDataAccess.getMbMotionData( LIST_0 ).setMotPredFlag( false, c8x8Idx );
        }
        if( BLK_SKIP == rcMbDataAccess.getMbData().getBlkMode   ( c8x8Idx.b8x8Index() ) ||
            !rcMbDataAccess            .getMbData().isBlockFwdBwd( c8x8Idx.b8x8Index(), LIST_1 ) )
        {
          rcMbDataAccess.getMbMotionData( LIST_1 ).setMotPredFlag( false, c8x8Idx );
        }
      }
    }

    //===== prediction info =====
    if( ! rcMbDataAccess.getMbData().getBLSkipFlag() )
    {
      //===== BLOCK MODES =====
      if( rcMbDataAccess.getMbData().isInter8x8() )
      {
        RNOK( m_pcMbSymbolWriteIf->blockModes( rcMbDataAccess ) );
      }

      if( rcMbDataAccess.getMbData().isPCM() )
      {
        //===== PCM SAMPLES =====
        RNOK( m_pcMbSymbolWriteIf->samplesPCM( rcMbDataAccess ) );
      }
      else if( rcMbDataAccess.getMbData().isIntra() )
      {
        //===== INTRA PREDICTION MODES =====
        RNOK( xWriteIntraPredModes( rcMbDataAccess ) );
      }
      else
      {
        //===== MOTION INFORMATION =====
        MbMode eMbMode = rcMbDataAccess.getMbData().getMbMode();
        if( rcMbDataAccess.getSH().isInterB() )
        {
          RNOK( xWriteMotionPredFlags( rcMbDataAccess, eMbMode, LIST_0 ) );
          RNOK( xWriteMotionPredFlags( rcMbDataAccess, eMbMode, LIST_1 ) );
          RNOK( xWriteReferenceFrames( rcMbDataAccess, eMbMode, LIST_0 ) );
          RNOK( xWriteReferenceFrames( rcMbDataAccess, eMbMode, LIST_1 ) );
          RNOK( xWriteMotionVectors  ( rcMbDataAccess, eMbMode, LIST_0 ) );
          RNOK( xWriteMotionVectors  ( rcMbDataAccess, eMbMode, LIST_1 ) );
        }
        else
        {
          RNOK( xWriteMotionPredFlags( rcMbDataAccess, eMbMode, LIST_0 ) );
          RNOK( xWriteReferenceFrames( rcMbDataAccess, eMbMode, LIST_0 ) );
          RNOK( xWriteMotionVectors  ( rcMbDataAccess, eMbMode, LIST_0 ) );
        }
      }
    }


    //===== TEXTURE =====
    if( ! rcMbDataAccess.getMbData().isPCM() )
    {
      Bool bTrafo8x8Flag = ( rcMbDataAccess.getSH().getPPS().getTransform8x8ModeFlag() &&
                           ( rcMbDataAccess.getMbData().getBLSkipFlag() ||
            						   ( rcMbDataAccess.getMbData().is8x8TrafoFlagPresent() &&
                              !rcMbDataAccess.getMbData().isIntra4x4() ) ) );
 			//-- JVT-R091
			RNOK( xWriteTextureInfo( rcMbDataAccess, pcMbDataAccessBase, rcMbDataAccess.getMbTCoeffs(), bTrafo8x8Flag ) );
			//--
    }
  }

  //--- write terminating bit ---
  RNOK( m_pcMbSymbolWriteIf->terminatingBit ( bTerminateSlice ? 1:0 ) );

  if( bTerminateSlice )
  {
    RNOK( m_pcMbSymbolWriteIf->finishSlice() );
  }

  return Err::m_nOK;
}
Ejemplo n.º 8
0
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;
}
Ejemplo n.º 9
0
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;
}
Ejemplo n.º 10
0
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;
}