C++ (Cpp) MbDataAccess::getNumActiveRef示例

示例#1

文件： MbCoder.cpp 项目： edwardtoday/BE-thesis-code

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;
}

示例#2

文件： MbParser.cpp 项目： dewn49/thialgou

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;
}