[u/mrichter/AliRoot.git] / HLT / TPCLib / AliHLTTPCZeroSuppressionComponent.cxx

// $Id$

/**************************************************************************
 * This file is property of and copyright by the ALICE HLT Project        * 
 * ALICE Experiment at CERN, All rights reserved.                         *
 *                                                                        *
 * Primary Authors: Kenneth Aamodt <Kenneth.Aamodt@student.uib.no>        *
 *                  for The ALICE HLT Project.                            *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

/** @file   AliHLTTPCZeroSuppressionComponent.cxx
    @author Kenneth Aamodt
    @date   
    @brief  The TPC ZeroSuppression component
*/

// see header file for class documentation                                   //
// or                                                                        //
// refer to README to build package                                          //
// or                                                                        //
// visit http://web.ift.uib.no/~kjeks/doc/alice-hlt                          //

#if __GNUC__>= 3
using namespace std;
#endif
#include "AliHLTTPCZeroSuppressionComponent.h"
#include "AliHLTTPCDigitReaderDecoder.h"
#include "AliHLTTPCTransform.h"
#include "AliHLTTPCDefinitions.h"
#include "AliHLTTPCDigitData.h"
#include "AliHLTTPCMapping.h"
#include <cstdlib>
#include <cerrno>
#include <cassert>
#include "TString.h"
#include <sys/time.h>
#include "AliHLTAltroEncoder.h"
#include "AliRawDataHeader.h"

/** ROOT macro for the implementation of ROOT specific class methods */
ClassImp(AliHLTTPCZeroSuppressionComponent)

AliHLTTPCZeroSuppressionComponent::AliHLTTPCZeroSuppressionComponent()
    :
    fDigitReader(NULL),
    fRowPadVector(),
    fNumberOfPadsInRow(NULL),
    fNumberOfRows(0),
    fCurrentPatch(0),
    fFirstRow(0),
    fLastRow(0),
    fStartTimeBin(0),
    fEndTimeBin(AliHLTTPCTransform::GetNTimeBins()),
    fNTimeBins(0),
    fNRMSThreshold(0),
    fSignalThreshold(0),
    fMinimumNumberOfSignals(AliHLTTPCTransform::GetNTimeBins()/2),
    fOldRCUFormat(0),
    fSortPads(0),
    fVectorInitialized(kFALSE),
    fValueBelowAverage(5),
    fLeftTimeBin(5),
    fRightTimeBin(5),
    fGetActivePads(kFALSE),
    fSkipSendingZSData(kFALSE),
    fSendHWList(kFALSE),
    fHwAddressList()
{
  // see header file for class documentation
  // or
  // refer to README to build package
  // or
  // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
}

AliHLTTPCZeroSuppressionComponent::~AliHLTTPCZeroSuppressionComponent()
{
  // see header file for class documentation
  if(fVectorInitialized){
    DeInitializePadArray();
  }
  if(fNumberOfPadsInRow){
    delete [] fNumberOfPadsInRow;
    fNumberOfPadsInRow=NULL;
  }
  if(fDigitReader){
    delete fDigitReader;
    fDigitReader=NULL;
  }
}

// Public functions to implement AliHLTComponent's interface.
// These functions are required for the registration process

const char* AliHLTTPCZeroSuppressionComponent::GetComponentID()
{
  // see header file for class documentation
  return "TPCZeroSuppression";
}

void AliHLTTPCZeroSuppressionComponent::GetInputDataTypes( vector<AliHLTComponentDataType>& list)
{
  // see header file for class documentation
  list.clear(); 
  list.push_back( kAliHLTDataTypeDDLRaw | kAliHLTDataOriginTPC );
}

AliHLTComponentDataType AliHLTTPCZeroSuppressionComponent::GetOutputDataType()
{
  // see header file for class documentation
  return kAliHLTMultipleDataType;
  //return kAliHLTDataTypeDDLRaw;
  //  return AliHLTTPCDefinitions::fgkUnpackedRawDataType;
}

int AliHLTTPCZeroSuppressionComponent::GetOutputDataTypes(AliHLTComponentDataTypeList& tgtList)
{
  // see header file for class documentation
  tgtList.clear();
  tgtList.push_back(kAliHLTDataTypeDDLRaw);
  tgtList.push_back(kAliHLTDataTypeHwAddr16);
  return tgtList.size();
}

void AliHLTTPCZeroSuppressionComponent::GetOutputDataSize( unsigned long& constBase, double& inputMultiplier )
{
  // see header file for class documentation
  constBase=0;
  inputMultiplier=2.0;
}

AliHLTComponent* AliHLTTPCZeroSuppressionComponent::Spawn()
{
  // see header file for class documentation
  return new AliHLTTPCZeroSuppressionComponent();
}
	
int AliHLTTPCZeroSuppressionComponent::DoInit( int argc, const char** argv )
{
  // see header file for class documentation

  Int_t i = 0;
  Char_t* cpErr;

  while ( i < argc ) {      

    // -- zero suppression threshold
    if ( !strcmp( argv[i], "-signal-threshold" ) || !strcmp( argv[i], "signal-threshold" ) ) {
      fSignalThreshold = strtoul( argv[i+1], &cpErr ,0);
      if ( *cpErr ) {
	HLTError("Cannot convert signal-threshold specifier '%s'.", argv[i+1]);
	return EINVAL;
      }
      i+=2;
      continue;
    }

    // -- checking for nsigma-threshold, used in 2007 December run in ZeroSuppression
    if ( !strcmp( argv[i], "-rms-threshold" ) ||  !strcmp( argv[i], "rms-threshold" ) ) {
      fNRMSThreshold = strtoul( argv[i+1], &cpErr ,0);
      if ( *cpErr ){
	HLTError("Cannot convert rms-threshold specifier '%s'. Must be integer", argv[i+1]);
	return EINVAL;
      }
      i+=2;
      continue;
    }

    // -- number of timebins
    if ( !strcmp( argv[i], "-ntimebins" ) || !strcmp( argv[i], "ntimebins" ) ) {
      fNTimeBins = strtoul( argv[i+1], &cpErr ,0);
      if ( *cpErr ) {
	HLTError("Cannot convert ntimebins specifier '%s'.", argv[i+1]);
	return EINVAL;
      }
      i+=2;
      continue;
    }

    // -- first timebin
    if ( !strcmp( argv[i], "-start-timebin" ) || !strcmp( argv[i], "start-timebin" ) ) {
      fStartTimeBin = strtoul( argv[i+1], &cpErr ,0);
      if ( *cpErr ) {
	HLTError("Cannot convert start-timebin specifier '%s'.", argv[i+1]);
	return EINVAL;
      }
      i+=2;
      continue;
    }

    // -- last timebin
    if ( !strcmp( argv[i], "-end-timebin" ) || !strcmp( argv[i], "end-timebin" ) ) {
      if(strtoul( argv[i+1], &cpErr ,0)<=(UInt_t)AliHLTTPCTransform::GetNTimeBins()){
	fEndTimeBin = strtoul( argv[i+1], &cpErr ,0);
      }
      if ( *cpErr ) {
	HLTError("Cannot convert end-timebin specifier '%s'.", argv[i+1]);
	return EINVAL;
      }
      i+=2;
      continue;
    }

    // -- timebins to keep left of signal
    if ( !strcmp( argv[i], "-timebin-left" ) || !strcmp( argv[i], "timebin-left" ) ) {
      fLeftTimeBin = strtoul( argv[i+1], &cpErr ,0);
      if ( *cpErr ) {
	HLTError("Cannot convert timebin-left specifier '%s'.", argv[i+1]);
	return EINVAL;
      }
      i+=2;
      continue;
    }

    // -- timebin to keep right of signal
    if ( !strcmp( argv[i], "-timebin-right" ) || !strcmp( argv[i], "timebin-right" ) ) {
      fRightTimeBin = strtoul( argv[i+1], &cpErr ,0);
      if ( *cpErr ) {
	HLTError("Cannot convert timebin-right specifier '%s'.", argv[i+1]);
	return EINVAL;
      }
      i+=2;
      continue;
    }

    // -- value below average to subtract
    if ( !strcmp( argv[i], "-value-below-average" ) || !strcmp( argv[i], "value-below-average" ) ) {
      fValueBelowAverage = strtoul( argv[i+1], &cpErr ,0);
      if ( *cpErr ) {
	HLTError("Cannot convert value-below-average specifier '%s'.", argv[i+1]);
	return EINVAL;
      }
      i+=2;
      continue;
    }

    // -- pad occupancy limit
    if ( !strcmp( argv[i], "-occupancy-limit" ) || !strcmp( argv[i], "occupancy-limit" ) ) {
      fMinimumNumberOfSignals = strtoul( argv[i+1], &cpErr ,0);
      if ( *cpErr ) {
	HLTError("Cannot convert occupancy-limit specifier '%s'.", argv[i+1]);
	return EINVAL;
      }
      i+=2;
      continue;
    }

    // -- checking for rcu format
    if ( !strcmp( argv[i], "oldrcuformat" ) ) {
      fOldRCUFormat = strtoul( argv[i+1], &cpErr ,0);
      if ( *cpErr ){
	HLTError("Cannot convert oldrcuformat specifier '%s'. Should  be 0(off) or 1(on), must be integer", argv[i+1]);
	return EINVAL;
      }
      i+=2;
      continue;
    }

    // -- checking for pad sorting
    if ( !strcmp( argv[i], "-sort-pads" ) || !strcmp( argv[i], "sort-pads" ) ) {
      fSortPads = strtoul( argv[i+1], &cpErr ,0);
      if ( *cpErr ){
	HLTError("Cannot convert sort-pads specifier '%s'. Should  be 0(off) or 1(on), must be integer", argv[i+1]);
	return EINVAL;
      }
      i+=2;
      continue;
    }

    // -- checking for skipZSdatashipping
    if ( !strcmp( argv[i], "-skip-sending-data" ) ) {
      fSkipSendingZSData = kTRUE;
      i++;
      continue;
    }

    // -- checking for hw address shipping
    if ( !strcmp( argv[i], "-send-hw-list" ) ) {
      fSendHWList = kTRUE;
      i++;
      continue;
    }
      
    Logging(kHLTLogError, "HLT::TPCClusterFinder::DoInit", "Unknown Option", "Unknown option '%s'", argv[i] );
    return EINVAL;

  }

  if(fSkipSendingZSData == kTRUE && fSendHWList == kFALSE){
    HLTError("Component will have no output, check your configuration.");
  }

  HLTDebug("using AliHLTTPCDigitReaderDecoder");
  fDigitReader = new AliHLTTPCDigitReaderDecoder();

  fHwAddressList.clear();

  return 0;
}

int AliHLTTPCZeroSuppressionComponent::DoDeinit()
{
  // see header file for class documentation
  return 0;
}

Int_t AliHLTTPCZeroSuppressionComponent::DeInitializePadArray()
{
  // see header file for class documentation
  if(fVectorInitialized){
    for(Int_t i=0;i<fNumberOfRows;i++){
      for(Int_t j=0;j<fNumberOfPadsInRow[i];j++){
	delete fRowPadVector[i][j];
	fRowPadVector[i][j]=NULL;
      }
      fRowPadVector[i].clear();
    }
    fRowPadVector.clear();
  }
  return 1;
} 

void AliHLTTPCZeroSuppressionComponent::InitializePadArray(){
  // see header file for class documentation
  if(fCurrentPatch>5){
    HLTFatal("Patch is not set");
    return;
  }

  fFirstRow = AliHLTTPCTransform::GetFirstRow(fCurrentPatch);
  fLastRow = AliHLTTPCTransform::GetLastRow(fCurrentPatch);

  fNumberOfRows=fLastRow-fFirstRow+1;
  fNumberOfPadsInRow= new Int_t[fNumberOfRows];

  memset( fNumberOfPadsInRow, 0, sizeof(Int_t)*(fNumberOfRows));

  for(Int_t i=0;i<fNumberOfRows;i++){
    fNumberOfPadsInRow[i]=AliHLTTPCTransform::GetNPads(i+fFirstRow);
    AliHLTTPCPadVector tmpRow;
    for(Int_t j=0;j<fNumberOfPadsInRow[i];j++){
      AliHLTTPCPad *tmpPad = new AliHLTTPCPad();
      tmpPad->SetID(i,j);
      tmpRow.push_back(tmpPad);
    }
    fRowPadVector.push_back(tmpRow);
  }
  fVectorInitialized=kTRUE;
}


int AliHLTTPCZeroSuppressionComponent::DoEvent( const AliHLTComponentEventData& evtData, 
						const AliHLTComponentBlockData* blocks, 
						AliHLTComponentTriggerData& /*trigData*/, AliHLTUInt8_t* outputPtr, 
						AliHLTUInt32_t& size, 
						vector<AliHLTComponentBlockData>& outputBlocks )
{
  // see header file for class documentation
  int iResult=0;
  if (!fDigitReader) return -ENODEV;

  AliHLTUInt32_t capacity=size;
  size=0;
  if (!IsDataEvent()) return 0;

  //  HLTInfo("Entered DoEvent in AliHLTTPCZeroSuppressionComponent");

  //  == init iter (pointer to datablock)
  const AliHLTComponentBlockData* iter = NULL;
  unsigned long ndx;
  //  HLTInfo("Number of blocks: ",evtData.fBlockCnt);

  fHwAddressList.clear();
  //reading the data
  for ( ndx = 0; ndx < evtData.fBlockCnt; ndx++ )
    {
      iter = blocks+ndx;
      
      HLTDebug("Event 0x%08LX (%Lu) received datatype: %s - required datatype: %s",
	       evtData.fEventID, evtData.fEventID, 
	       DataType2Text( iter->fDataType).c_str(), 
	       DataType2Text(kAliHLTDataTypeDDLRaw | kAliHLTDataOriginTPC).c_str());

      if ( iter->fDataType != (kAliHLTDataTypeDDLRaw | kAliHLTDataOriginTPC)){
	continue;
      }

      UInt_t slice = AliHLTTPCDefinitions::GetMinSliceNr( *iter );
      UInt_t patch = AliHLTTPCDefinitions::GetMinPatchNr( *iter );

      if(!fVectorInitialized){
	fCurrentPatch=patch;
	InitializePadArray();
      }
      
      if(fDigitReader->InitBlock(iter->fPtr,iter->fSize,patch,slice)<0){
	HLTWarning("Decoder failed to initialize, event aborted.");
	continue;
      }
      AliHLTTPCMapping mapping(patch);

      int nTotalChannels=0;
      int nSkippedChannels=0;
      short lowestOccupancy=-1;
      float sumOccupancy=0;

      //Here the reading of the data and the zerosuppression takes place
      while(fDigitReader->NextChannel()){//Pad
	Int_t row=fDigitReader->GetRow();
	Int_t pad=fDigitReader->GetPad();
	if(row==1000 || pad==1000){
	  continue;
	}
	if(row>=fNumberOfRows||row<0){
	  continue;
	}
	else if(pad>=fNumberOfPadsInRow[row]||pad<0){
	  continue;
	}  
	
	AliHLTTPCPad *tmpPad = fRowPadVector[row][pad];
	tmpPad->SetDataToDefault();
	
	//reading data to pad
	while(fDigitReader->NextBunch()){
	  const UInt_t *bunchData= fDigitReader->GetSignals();
	  Int_t time=fDigitReader->GetTime();
	  for(Int_t i=0;i<fDigitReader->GetBunchSize();i++){
	    if(bunchData[i]>0){// disregarding 0 data.
	      if(time+i>=fStartTimeBin && time+i<=fEndTimeBin){
		tmpPad->SetDataSignal(time+i,bunchData[i]);
	      }
	    }
	  }
	}

	nTotalChannels++;
	if (lowestOccupancy<0 || (unsigned short)lowestOccupancy>tmpPad->GetNAddedSignals())
	  lowestOccupancy=tmpPad->GetNAddedSignals();
	sumOccupancy+=tmpPad->GetNAddedSignals();

	if(tmpPad->GetNAddedSignals()>=(UInt_t)fMinimumNumberOfSignals){
	  tmpPad->ZeroSuppress(fNRMSThreshold, fSignalThreshold, fMinimumNumberOfSignals, fStartTimeBin, fEndTimeBin, fLeftTimeBin, fRightTimeBin, fValueBelowAverage);
	  if(tmpPad->GetNAddedSignals()>0){
	    assert((int)mapping.GetRow(fDigitReader->GetAltroBlockHWaddr())==row);
	    assert((int)mapping.GetPad(fDigitReader->GetAltroBlockHWaddr())==pad);
	    fHwAddressList.push_back((AliHLTUInt16_t)fDigitReader->GetAltroBlockHWaddr());
	  }
	} else {
	  nSkippedChannels++;
	}
      }
      if (nSkippedChannels>0) {
	HLTWarning("skipped %d of %d channels because of low occupancy: average %.2f, lowest %d, threshold %d",
		   nSkippedChannels, nTotalChannels, sumOccupancy/nTotalChannels, lowestOccupancy, fMinimumNumberOfSignals);
      }

      AliHLTUInt32_t dataOffsetBeforeHW=0;

      if(fSkipSendingZSData == kFALSE && iter->fSize>sizeof(AliRawDataHeader)) {
  
	AliHLTAltroEncoder *altroEncoder = new AliHLTAltroEncoder;
	altroEncoder->SetBuffer(outputPtr,capacity); //tests if one overwrite the buffer is done in the encoder

	// set CDH from the beginning of buffer
	altroEncoder->SetCDH((AliHLTUInt8_t*)iter->fPtr,sizeof(AliRawDataHeader));

	UChar_t *RCUTrailer=NULL;
	Int_t RCUTrailerSize=fDigitReader->GetRCUTrailerSize();
	if (RCUTrailerSize<=0 || !fDigitReader->GetRCUTrailerData( RCUTrailer )) {
	  if(RCUTrailer==NULL){
	    HLTWarning("can not find RCU trailer for data block %s 0x%08x: skipping data block",
		       DataType2Text(iter->fDataType).c_str(), iter->fSpecification);
	    continue;
	  }
	}
	altroEncoder->SetRCUTrailer(RCUTrailer, RCUTrailerSize);

	for(unsigned int channel=0; channel<fHwAddressList.size(); channel++){
	  int row=mapping.GetRow(fHwAddressList[channel]);
	  int pad=mapping.GetPad(fHwAddressList[channel]);
	  if (true) {
	    AliHLTTPCPad * zeroSuppressedPad= fRowPadVector[row][pad];
	    Int_t currentTime=0;
	    Int_t bunchSize=0;
	    if(zeroSuppressedPad->GetNAddedSignals()>0){
	      while(zeroSuppressedPad->GetNextGoodSignal(currentTime, bunchSize)){
		for(Int_t i=0;i<bunchSize;i++){
		  if (altroEncoder->AddSignal((AliHLTUInt16_t)(zeroSuppressedPad->GetDataSignal(currentTime+i)),(AliHLTUInt16_t)(currentTime+i))<0) {
		    // Matthias 01.10.2008: there is a problem with certain real data which produces the same
		    // bunch multiple times, needs investigation. I found an examplary case in run 53465
		    // (08000053465011.450.root) equipment 981.
		    // needs to be followed up.
		    // addon 02.10.2008 I just corrected a bug concerning the loop over the active channels.
		    // A double loop over all rows and pads also considered pads which had not even been
		    // filled, and thus not properly cleaned. Maybe the bug above is related to that.
		    HLTWarning("can not add channel: slice %d, partition %d, hw address %d, row %d, pad %d, time %d, bunch size %d",
			       slice, patch, fHwAddressList[channel], row, pad, currentTime+i, bunchSize);
		    break;
		  }
		}
	      }
	      altroEncoder->SetChannel(fHwAddressList[channel]);
	    }
	  }
	}

	int sizeOfData=altroEncoder->SetLength();

	if (sizeOfData<0) {
	  HLTError("data encoding failed");
	  iResult=sizeOfData;
	  break;
	}
	if(sizeOfData>(int)capacity){
	  HLTWarning("Buffer too small too add the altrodata: %d of %d byte(s) already used", sizeOfData, capacity);
	  iResult=-ENOSPC;
	  break;
	}

	//Push back the zerosuppressed altro data to the output
	if(true/* condition was deprecated but keep for the sake of formatting*/){
	  AliHLTComponentBlockData bd;
	  FillBlockData( bd );
	  bd.fOffset = 0;
	  bd.fSize = sizeOfData;
	  bd.fDataType = kAliHLTDataTypeDDLRaw|kAliHLTDataOriginTPC;
	  bd.fSpecification = iter->fSpecification;
	  outputBlocks.push_back( bd );
    
	  //Push back the list of hardware addresses to the output
	  dataOffsetBeforeHW=sizeOfData;
	}
      }

      AliHLTUInt32_t sizeOfHWArray = 0;
      if(fSendHWList == kTRUE){

	if(true/* condition was deprecated but keep for the sake of formatting*/){
	  sizeOfHWArray = fHwAddressList.size()*sizeof(AliHLTUInt16_t);
      
	  if(dataOffsetBeforeHW+sizeOfHWArray>capacity){
	    HLTWarning("Buffer too small too add the active channels: %d of %d byte(s) already used", dataOffsetBeforeHW + sizeOfHWArray, capacity);
	    iResult=-ENOSPC;
	    break;
	  }
      
	  AliHLTUInt16_t*outputHWPtr=(AliHLTUInt16_t*)(outputPtr+dataOffsetBeforeHW);
	  memcpy(outputHWPtr,&fHwAddressList[0],sizeOfHWArray);
	  AliHLTComponentBlockData bdHW;
	  FillBlockData( bdHW );
	  bdHW.fOffset = dataOffsetBeforeHW;
	  bdHW.fSize = sizeOfHWArray;
	  bdHW.fDataType = kAliHLTDataTypeHwAddr16|kAliHLTDataOriginTPC;
	  bdHW.fSpecification = iter->fSpecification;
	  outputBlocks.push_back( bdHW );
	}
      }
      size = dataOffsetBeforeHW+sizeOfHWArray;
      fDigitReader->Reset();
    }

  if (iResult<0) {
    fDigitReader->Reset();
    size=0;
  }

  return iResult;
}
Commit	Line	Data
10f165dc	1	// $Id$
10f165dc	2
afa4418c	3	/**************************************************************************
	4	* This file is property of and copyright by the ALICE HLT Project *
	5	* ALICE Experiment at CERN, All rights reserved. *
	6	* *
	7	* Primary Authors: Kenneth Aamodt <Kenneth.Aamodt@student.uib.no> *
	8	* for The ALICE HLT Project. *
	9	* *
	10	* Permission to use, copy, modify and distribute this software and its *
	11	* documentation strictly for non-commercial purposes is hereby granted *
	12	* without fee, provided that the above copyright notice appears in all *
	13	* copies and that both the copyright notice and this permission notice *
	14	* appear in the supporting documentation. The authors make no claims *
	15	* about the suitability of this software for any purpose. It is *
	16	* provided "as is" without express or implied warranty. *
	17	**************************************************************************/
	18
	19	/** @file AliHLTTPCZeroSuppressionComponent.cxx
	20	@author Kenneth Aamodt
	21	@date
	22	@brief The TPC ZeroSuppression component
	23	*/
	24
	25	// see header file for class documentation //
	26	// or //
	27	// refer to README to build package //
	28	// or //
	29	// visit http://web.ift.uib.no/~kjeks/doc/alice-hlt //
	30
	31	#if __GNUC__>= 3
	32	using namespace std;
	33	#endif
	34	#include "AliHLTTPCZeroSuppressionComponent.h"
	35	#include "AliHLTTPCDigitReaderDecoder.h"
	36	#include "AliHLTTPCTransform.h"
	37	#include "AliHLTTPCDefinitions.h"
afa4418c	38	#include "AliHLTTPCDigitData.h"
5cccaefd	39	#include "AliHLTTPCMapping.h"
afa4418c	40	#include <cstdlib>
afa4418c	41	#include <cerrno>
5cccaefd	42	#include <cassert>
afa4418c	43	#include "TString.h"
afa4418c	44	#include <sys/time.h>
092a1374	45	#include "AliHLTAltroEncoder.h"
092a1374	46	#include "AliRawDataHeader.h"
a74855c2	47
afa4418c	48	/** ROOT macro for the implementation of ROOT specific class methods */
	49	ClassImp(AliHLTTPCZeroSuppressionComponent)
	50
	51	AliHLTTPCZeroSuppressionComponent::AliHLTTPCZeroSuppressionComponent()
	52	:
a74855c2	53	fDigitReader(NULL),
	54	fRowPadVector(),
	55	fNumberOfPadsInRow(NULL),
	56	fNumberOfRows(0),
	57	fCurrentPatch(0),
	58	fFirstRow(0),
	59	fLastRow(0),
afa4418c	60	fStartTimeBin(0),
afa4418c	61	fEndTimeBin(AliHLTTPCTransform::GetNTimeBins()),
a74855c2	62	fNTimeBins(0),
afa4418c	63	fNRMSThreshold(0),
	64	fSignalThreshold(0),
	65	fMinimumNumberOfSignals(AliHLTTPCTransform::GetNTimeBins()/2),
	66	fOldRCUFormat(0),
	67	fSortPads(0),
afa4418c	68	fVectorInitialized(kFALSE),
afa4418c	69	fValueBelowAverage(5),
afa4418c	70	fLeftTimeBin(5),
a74855c2	71	fRightTimeBin(5),
a74855c2	72	fGetActivePads(kFALSE),
3789100d	73	fSkipSendingZSData(kFALSE),
3789100d	74	fSendHWList(kFALSE),
a74855c2	75	fHwAddressList()
afa4418c	76	{
	77	// see header file for class documentation
	78	// or
	79	// refer to README to build package
	80	// or
	81	// visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
	82	}
	83
	84	AliHLTTPCZeroSuppressionComponent::~AliHLTTPCZeroSuppressionComponent()
	85	{
	86	// see header file for class documentation
	87	if(fVectorInitialized){
	88	DeInitializePadArray();
	89	}
	90	if(fNumberOfPadsInRow){
	91	delete [] fNumberOfPadsInRow;
	92	fNumberOfPadsInRow=NULL;
	93	}
9b4f7f90	94	if(fDigitReader){
	95	delete fDigitReader;
	96	fDigitReader=NULL;
	97	}
afa4418c	98	}
	99
	100	// Public functions to implement AliHLTComponent's interface.
	101	// These functions are required for the registration process
	102
	103	const char* AliHLTTPCZeroSuppressionComponent::GetComponentID()
	104	{
	105	// see header file for class documentation
	106	return "TPCZeroSuppression";
	107	}
	108
	109	void AliHLTTPCZeroSuppressionComponent::GetInputDataTypes( vector<AliHLTComponentDataType>& list)
	110	{
	111	// see header file for class documentation
	112	list.clear();
	113	list.push_back( kAliHLTDataTypeDDLRaw \| kAliHLTDataOriginTPC );
	114	}
	115
	116	AliHLTComponentDataType AliHLTTPCZeroSuppressionComponent::GetOutputDataType()
	117	{
	118	// see header file for class documentation
092a1374	119	return kAliHLTMultipleDataType;
	120	//return kAliHLTDataTypeDDLRaw;
	121	// return AliHLTTPCDefinitions::fgkUnpackedRawDataType;
afa4418c	122	}
	123
	124	int AliHLTTPCZeroSuppressionComponent::GetOutputDataTypes(AliHLTComponentDataTypeList& tgtList)
	125	{
	126	// see header file for class documentation
	127	tgtList.clear();
092a1374	128	tgtList.push_back(kAliHLTDataTypeDDLRaw);
092a1374	129	tgtList.push_back(kAliHLTDataTypeHwAddr16);
afa4418c	130	return tgtList.size();
	131	}
	132
	133	void AliHLTTPCZeroSuppressionComponent::GetOutputDataSize( unsigned long& constBase, double& inputMultiplier )
	134	{
	135	// see header file for class documentation
	136	constBase=0;
a74855c2	137	inputMultiplier=2.0;
afa4418c	138	}
	139
	140	AliHLTComponent* AliHLTTPCZeroSuppressionComponent::Spawn()
	141	{
	142	// see header file for class documentation
	143	return new AliHLTTPCZeroSuppressionComponent();
	144	}
	145
	146	int AliHLTTPCZeroSuppressionComponent::DoInit( int argc, const char** argv )
	147	{
	148	// see header file for class documentation
	149
	150	Int_t i = 0;
	151	Char_t* cpErr;
	152
	153	while ( i < argc ) {
	154
	155	// -- zero suppression threshold
3789100d	156	if ( !strcmp( argv[i], "-signal-threshold" ) \|\| !strcmp( argv[i], "signal-threshold" ) ) {
afa4418c	157	fSignalThreshold = strtoul( argv[i+1], &cpErr ,0);
	158	if ( *cpErr ) {
	159	HLTError("Cannot convert signal-threshold specifier '%s'.", argv[i+1]);
	160	return EINVAL;
	161	}
	162	i+=2;
	163	continue;
	164	}
	165
	166	// -- checking for nsigma-threshold, used in 2007 December run in ZeroSuppression
3789100d	167	if ( !strcmp( argv[i], "-rms-threshold" ) \|\| !strcmp( argv[i], "rms-threshold" ) ) {
afa4418c	168	fNRMSThreshold = strtoul( argv[i+1], &cpErr ,0);
	169	if ( *cpErr ){
	170	HLTError("Cannot convert rms-threshold specifier '%s'. Must be integer", argv[i+1]);
	171	return EINVAL;
	172	}
	173	i+=2;
	174	continue;
	175	}
	176
	177	// -- number of timebins
3789100d	178	if ( !strcmp( argv[i], "-ntimebins" ) \|\| !strcmp( argv[i], "ntimebins" ) ) {
afa4418c	179	fNTimeBins = strtoul( argv[i+1], &cpErr ,0);
	180	if ( *cpErr ) {
	181	HLTError("Cannot convert ntimebins specifier '%s'.", argv[i+1]);
	182	return EINVAL;
	183	}
	184	i+=2;
	185	continue;
	186	}
	187
	188	// -- first timebin
3789100d	189	if ( !strcmp( argv[i], "-start-timebin" ) \|\| !strcmp( argv[i], "start-timebin" ) ) {
afa4418c	190	fStartTimeBin = strtoul( argv[i+1], &cpErr ,0);
	191	if ( *cpErr ) {
	192	HLTError("Cannot convert start-timebin specifier '%s'.", argv[i+1]);
	193	return EINVAL;
	194	}
	195	i+=2;
	196	continue;
	197	}
	198
	199	// -- last timebin
3789100d	200	if ( !strcmp( argv[i], "-end-timebin" ) \|\| !strcmp( argv[i], "end-timebin" ) ) {
a74855c2	201	if(strtoul( argv[i+1], &cpErr ,0)<=(UInt_t)AliHLTTPCTransform::GetNTimeBins()){
	202	fEndTimeBin = strtoul( argv[i+1], &cpErr ,0);
	203	}
afa4418c	204	if ( *cpErr ) {
	205	HLTError("Cannot convert end-timebin specifier '%s'.", argv[i+1]);
	206	return EINVAL;
	207	}
	208	i+=2;
	209	continue;
	210	}
	211
	212	// -- timebins to keep left of signal
3789100d	213	if ( !strcmp( argv[i], "-timebin-left" ) \|\| !strcmp( argv[i], "timebin-left" ) ) {
afa4418c	214	fLeftTimeBin = strtoul( argv[i+1], &cpErr ,0);
	215	if ( *cpErr ) {
	216	HLTError("Cannot convert timebin-left specifier '%s'.", argv[i+1]);
	217	return EINVAL;
	218	}
	219	i+=2;
	220	continue;
	221	}
	222
	223	// -- timebin to keep right of signal
3789100d	224	if ( !strcmp( argv[i], "-timebin-right" ) \|\| !strcmp( argv[i], "timebin-right" ) ) {
afa4418c	225	fRightTimeBin = strtoul( argv[i+1], &cpErr ,0);
	226	if ( *cpErr ) {
	227	HLTError("Cannot convert timebin-right specifier '%s'.", argv[i+1]);
	228	return EINVAL;
	229	}
	230	i+=2;
	231	continue;
	232	}
	233
	234	// -- value below average to subtract
3789100d	235	if ( !strcmp( argv[i], "-value-below-average" ) \|\| !strcmp( argv[i], "value-below-average" ) ) {
afa4418c	236	fValueBelowAverage = strtoul( argv[i+1], &cpErr ,0);
	237	if ( *cpErr ) {
	238	HLTError("Cannot convert value-below-average specifier '%s'.", argv[i+1]);
	239	return EINVAL;
	240	}
	241	i+=2;
	242	continue;
	243	}
	244
	245	// -- pad occupancy limit
3789100d	246	if ( !strcmp( argv[i], "-occupancy-limit" ) \|\| !strcmp( argv[i], "occupancy-limit" ) ) {
afa4418c	247	fMinimumNumberOfSignals = strtoul( argv[i+1], &cpErr ,0);
	248	if ( *cpErr ) {
	249	HLTError("Cannot convert occupancy-limit specifier '%s'.", argv[i+1]);
	250	return EINVAL;
	251	}
	252	i+=2;
	253	continue;
	254	}
	255
	256	// -- checking for rcu format
	257	if ( !strcmp( argv[i], "oldrcuformat" ) ) {
	258	fOldRCUFormat = strtoul( argv[i+1], &cpErr ,0);
	259	if ( *cpErr ){
	260	HLTError("Cannot convert oldrcuformat specifier '%s'. Should be 0(off) or 1(on), must be integer", argv[i+1]);
	261	return EINVAL;
	262	}
	263	i+=2;
	264	continue;
	265	}
	266
3789100d	267	// -- checking for pad sorting
3789100d	268	if ( !strcmp( argv[i], "-sort-pads" ) \|\| !strcmp( argv[i], "sort-pads" ) ) {
afa4418c	269	fSortPads = strtoul( argv[i+1], &cpErr ,0);
	270	if ( *cpErr ){
	271	HLTError("Cannot convert sort-pads specifier '%s'. Should be 0(off) or 1(on), must be integer", argv[i+1]);
	272	return EINVAL;
	273	}
	274	i+=2;
	275	continue;
	276	}
3789100d	277
	278	// -- checking for skipZSdatashipping
	279	if ( !strcmp( argv[i], "-skip-sending-data" ) ) {
	280	fSkipSendingZSData = kTRUE;
436467f5	281	i++;
436467f5	282	continue;
3789100d	283	}
	284
	285	// -- checking for hw address shipping
	286	if ( !strcmp( argv[i], "-send-hw-list" ) ) {
	287	fSendHWList = kTRUE;
436467f5	288	i++;
436467f5	289	continue;
3789100d	290	}
afa4418c	291
	292	Logging(kHLTLogError, "HLT::TPCClusterFinder::DoInit", "Unknown Option", "Unknown option '%s'", argv[i] );
	293	return EINVAL;
	294
	295	}
	296
3789100d	297	if(fSkipSendingZSData == kTRUE && fSendHWList == kFALSE){
	298	HLTError("Component will have no output, check your configuration.");
	299	}
	300
afa4418c	301	HLTDebug("using AliHLTTPCDigitReaderDecoder");
	302	fDigitReader = new AliHLTTPCDigitReaderDecoder();
	303
a74855c2	304	fHwAddressList.clear();
a74855c2	305
afa4418c	306	return 0;
	307	}
	308
	309	int AliHLTTPCZeroSuppressionComponent::DoDeinit()
	310	{
	311	// see header file for class documentation
afa4418c	312	return 0;
	313	}
	314
	315	Int_t AliHLTTPCZeroSuppressionComponent::DeInitializePadArray()
	316	{
	317	// see header file for class documentation
	318	if(fVectorInitialized){
	319	for(Int_t i=0;i<fNumberOfRows;i++){
	320	for(Int_t j=0;j<fNumberOfPadsInRow[i];j++){
	321	delete fRowPadVector[i][j];
	322	fRowPadVector[i][j]=NULL;
	323	}
	324	fRowPadVector[i].clear();
	325	}
	326	fRowPadVector.clear();
	327	}
afa4418c	328	return 1;
	329	}
	330
	331	void AliHLTTPCZeroSuppressionComponent::InitializePadArray(){
	332	// see header file for class documentation
a74855c2	333	if(fCurrentPatch>5){
afa4418c	334	HLTFatal("Patch is not set");
	335	return;
	336	}
	337
	338	fFirstRow = AliHLTTPCTransform::GetFirstRow(fCurrentPatch);
	339	fLastRow = AliHLTTPCTransform::GetLastRow(fCurrentPatch);
	340
	341	fNumberOfRows=fLastRow-fFirstRow+1;
a74855c2	342	fNumberOfPadsInRow= new Int_t[fNumberOfRows];
afa4418c	343
	344	memset( fNumberOfPadsInRow, 0, sizeof(Int_t)*(fNumberOfRows));
	345
	346	for(Int_t i=0;i<fNumberOfRows;i++){
	347	fNumberOfPadsInRow[i]=AliHLTTPCTransform::GetNPads(i+fFirstRow);
	348	AliHLTTPCPadVector tmpRow;
	349	for(Int_t j=0;j<fNumberOfPadsInRow[i];j++){
	350	AliHLTTPCPad *tmpPad = new AliHLTTPCPad();
	351	tmpPad->SetID(i,j);
	352	tmpRow.push_back(tmpPad);
	353	}
	354	fRowPadVector.push_back(tmpRow);
	355	}
	356	fVectorInitialized=kTRUE;
	357	}
	358
	359
	360	int AliHLTTPCZeroSuppressionComponent::DoEvent( const AliHLTComponentEventData& evtData,
	361	const AliHLTComponentBlockData* blocks,
	362	AliHLTComponentTriggerData& /trigData/, AliHLTUInt8_t* outputPtr,
	363	AliHLTUInt32_t& size,
	364	vector<AliHLTComponentBlockData>& outputBlocks )
	365	{
	366	// see header file for class documentation
5cccaefd	367	int iResult=0;
	368	if (!fDigitReader) return -ENODEV;
	369
	370	AliHLTUInt32_t capacity=size;
	371	size=0;
	372	if (!IsDataEvent()) return 0;
afa4418c	373
a74855c2	374	// HLTInfo("Entered DoEvent in AliHLTTPCZeroSuppressionComponent");
afa4418c	375
	376	// == init iter (pointer to datablock)
	377	const AliHLTComponentBlockData* iter = NULL;
	378	unsigned long ndx;
	379	// HLTInfo("Number of blocks: ",evtData.fBlockCnt);
	380
a74855c2	381	fHwAddressList.clear();
afa4418c	382	//reading the data
	383	for ( ndx = 0; ndx < evtData.fBlockCnt; ndx++ )
	384	{
	385	iter = blocks+ndx;
	386
	387	HLTDebug("Event 0x%08LX (%Lu) received datatype: %s - required datatype: %s",
	388	evtData.fEventID, evtData.fEventID,
	389	DataType2Text( iter->fDataType).c_str(),
	390	DataType2Text(kAliHLTDataTypeDDLRaw \| kAliHLTDataOriginTPC).c_str());
	391
5cccaefd	392	if ( iter->fDataType != (kAliHLTDataTypeDDLRaw \| kAliHLTDataOriginTPC)){
afa4418c	393	continue;
	394	}
	395
afa4418c	396	UInt_t slice = AliHLTTPCDefinitions::GetMinSliceNr( *iter );
	397	UInt_t patch = AliHLTTPCDefinitions::GetMinPatchNr( *iter );
	398
	399	if(!fVectorInitialized){
	400	fCurrentPatch=patch;
	401	InitializePadArray();
	402	}
	403
436467f5	404	if(fDigitReader->InitBlock(iter->fPtr,iter->fSize,patch,slice)<0){
	405	HLTWarning("Decoder failed to initialize, event aborted.");
	406	continue;
	407	}
5cccaefd	408	AliHLTTPCMapping mapping(patch);
436467f5	409
5cccaefd	410	int nTotalChannels=0;
	411	int nSkippedChannels=0;
	412	short lowestOccupancy=-1;
	413	float sumOccupancy=0;
9b4f7f90	414
afa4418c	415	//Here the reading of the data and the zerosuppression takes place
afa4418c	416	while(fDigitReader->NextChannel()){//Pad
a74855c2	417	Int_t row=fDigitReader->GetRow();
a74855c2	418	Int_t pad=fDigitReader->GetPad();
9b4f7f90	419	if(row==1000 \|\| pad==1000){
	420	continue;
	421	}
a74855c2	422	if(row>=fNumberOfRows\|\|row<0){
9b4f7f90	423	continue;
9b4f7f90	424	}
a74855c2	425	else if(pad>=fNumberOfPadsInRow[row]\|\|pad<0){
436467f5	426	continue;
9b4f7f90	427	}
9b4f7f90	428
a74855c2	429	AliHLTTPCPad *tmpPad = fRowPadVector[row][pad];
	430	tmpPad->SetDataToDefault();
	431
afa4418c	432	//reading data to pad
	433	while(fDigitReader->NextBunch()){
	434	const UInt_t *bunchData= fDigitReader->GetSignals();
a74855c2	435	Int_t time=fDigitReader->GetTime();
afa4418c	436	for(Int_t i=0;i<fDigitReader->GetBunchSize();i++){
	437	if(bunchData[i]>0){// disregarding 0 data.
	438	if(time+i>=fStartTimeBin && time+i<=fEndTimeBin){
afa4418c	439	tmpPad->SetDataSignal(time+i,bunchData[i]);
	440	}
	441	}
	442	}
	443	}
5cccaefd	444
	445	nTotalChannels++;
	446	if (lowestOccupancy<0 \|\| (unsigned short)lowestOccupancy>tmpPad->GetNAddedSignals())
	447	lowestOccupancy=tmpPad->GetNAddedSignals();
	448	sumOccupancy+=tmpPad->GetNAddedSignals();
	449
a74855c2	450	if(tmpPad->GetNAddedSignals()>=(UInt_t)fMinimumNumberOfSignals){
afa4418c	451	tmpPad->ZeroSuppress(fNRMSThreshold, fSignalThreshold, fMinimumNumberOfSignals, fStartTimeBin, fEndTimeBin, fLeftTimeBin, fRightTimeBin, fValueBelowAverage);
436467f5	452	if(tmpPad->GetNAddedSignals()>0){
5cccaefd	453	assert((int)mapping.GetRow(fDigitReader->GetAltroBlockHWaddr())==row);
5cccaefd	454	assert((int)mapping.GetPad(fDigitReader->GetAltroBlockHWaddr())==pad);
436467f5	455	fHwAddressList.push_back((AliHLTUInt16_t)fDigitReader->GetAltroBlockHWaddr());
436467f5	456	}
5cccaefd	457	} else {
5cccaefd	458	nSkippedChannels++;
afa4418c	459	}
afa4418c	460	}
5cccaefd	461	if (nSkippedChannels>0) {
	462	HLTWarning("skipped %d of %d channels because of low occupancy: average %.2f, lowest %d, threshold %d",
	463	nSkippedChannels, nTotalChannels, sumOccupancy/nTotalChannels, lowestOccupancy, fMinimumNumberOfSignals);
	464	}
092a1374	465
5cccaefd	466	AliHLTUInt32_t dataOffsetBeforeHW=0;
	467
	468	if(fSkipSendingZSData == kFALSE && iter->fSize>sizeof(AliRawDataHeader)) {
2fdb1ae7	469
436467f5	470	AliHLTAltroEncoder *altroEncoder = new AliHLTAltroEncoder;
5cccaefd	471	altroEncoder->SetBuffer(outputPtr,capacity); //tests if one overwrite the buffer is done in the encoder
	472
	473	// set CDH from the beginning of buffer
	474	altroEncoder->SetCDH((AliHLTUInt8_t*)iter->fPtr,sizeof(AliRawDataHeader));
436467f5	475
	476	UChar_t *RCUTrailer=NULL;
	477	Int_t RCUTrailerSize=fDigitReader->GetRCUTrailerSize();
436467f5	478	if (RCUTrailerSize<=0 \|\| !fDigitReader->GetRCUTrailerData( RCUTrailer )) {
	479	if(RCUTrailer==NULL){
	480	HLTWarning("can not find RCU trailer for data block %s 0x%08x: skipping data block",
	481	DataType2Text(iter->fDataType).c_str(), iter->fSpecification);
	482	continue;
092a1374	483	}
afa4418c	484	}
436467f5	485	altroEncoder->SetRCUTrailer(RCUTrailer, RCUTrailerSize);
436467f5	486
5cccaefd	487	for(unsigned int channel=0; channel<fHwAddressList.size(); channel++){
	488	int row=mapping.GetRow(fHwAddressList[channel]);
	489	int pad=mapping.GetPad(fHwAddressList[channel]);
	490	if (true) {
436467f5	491	AliHLTTPCPad * zeroSuppressedPad= fRowPadVector[row][pad];
	492	Int_t currentTime=0;
	493	Int_t bunchSize=0;
	494	if(zeroSuppressedPad->GetNAddedSignals()>0){
	495	while(zeroSuppressedPad->GetNextGoodSignal(currentTime, bunchSize)){
	496	for(Int_t i=0;i<bunchSize;i++){
5cccaefd	497	if (altroEncoder->AddSignal((AliHLTUInt16_t)(zeroSuppressedPad->GetDataSignal(currentTime+i)),(AliHLTUInt16_t)(currentTime+i))<0) {
	498	// Matthias 01.10.2008: there is a problem with certain real data which produces the same
	499	// bunch multiple times, needs investigation. I found an examplary case in run 53465
	500	// (08000053465011.450.root) equipment 981.
	501	// needs to be followed up.
	502	// addon 02.10.2008 I just corrected a bug concerning the loop over the active channels.
	503	// A double loop over all rows and pads also considered pads which had not even been
	504	// filled, and thus not properly cleaned. Maybe the bug above is related to that.
	505	HLTWarning("can not add channel: slice %d, partition %d, hw address %d, row %d, pad %d, time %d, bunch size %d",
	506	slice, patch, fHwAddressList[channel], row, pad, currentTime+i, bunchSize);
	507	break;
	508	}
436467f5	509	}
436467f5	510	}
5cccaefd	511	altroEncoder->SetChannel(fHwAddressList[channel]);
436467f5	512	}
	513	}
	514	}
092a1374	515
436467f5	516	int sizeOfData=altroEncoder->SetLength();
092a1374	517
436467f5	518	if (sizeOfData<0) {
436467f5	519	HLTError("data encoding failed");
5cccaefd	520	iResult=sizeOfData;
5cccaefd	521	break;
436467f5	522	}
5cccaefd	523	if(sizeOfData>(int)capacity){
	524	HLTWarning("Buffer too small too add the altrodata: %d of %d byte(s) already used", sizeOfData, capacity);
	525	iResult=-ENOSPC;
	526	break;
436467f5	527	}
3789100d	528
436467f5	529	//Push back the zerosuppressed altro data to the output
5cccaefd	530	if(true/* condition was deprecated but keep for the sake of formatting*/){
436467f5	531	AliHLTComponentBlockData bd;
	532	FillBlockData( bd );
	533	bd.fOffset = 0;
	534	bd.fSize = sizeOfData;
	535	bd.fDataType = kAliHLTDataTypeDDLRaw\|kAliHLTDataOriginTPC;
	536	bd.fSpecification = iter->fSpecification;
436467f5	537	outputBlocks.push_back( bd );
3789100d	538
436467f5	539	//Push back the list of hardware addresses to the output
	540	dataOffsetBeforeHW=sizeOfData;
	541	}
5cccaefd	542	}
092a1374	543
5cccaefd	544	AliHLTUInt32_t sizeOfHWArray = 0;
5cccaefd	545	if(fSendHWList == kTRUE){
3789100d	546
5cccaefd	547	if(true/* condition was deprecated but keep for the sake of formatting*/){
436467f5	548	sizeOfHWArray = fHwAddressList.size()*sizeof(AliHLTUInt16_t);
3789100d	549
5cccaefd	550	if(dataOffsetBeforeHW+sizeOfHWArray>capacity){
	551	HLTWarning("Buffer too small too add the active channels: %d of %d byte(s) already used", dataOffsetBeforeHW + sizeOfHWArray, capacity);
	552	iResult=-ENOSPC;
	553	break;
436467f5	554	}
3789100d	555
436467f5	556	AliHLTUInt16_toutputHWPtr=(AliHLTUInt16_t)(outputPtr+dataOffsetBeforeHW);
	557	memcpy(outputHWPtr,&fHwAddressList[0],sizeOfHWArray);
	558	AliHLTComponentBlockData bdHW;
	559	FillBlockData( bdHW );
	560	bdHW.fOffset = dataOffsetBeforeHW;
	561	bdHW.fSize = sizeOfHWArray;
5cccaefd	562	bdHW.fDataType = kAliHLTDataTypeHwAddr16\|kAliHLTDataOriginTPC;
436467f5	563	bdHW.fSpecification = iter->fSpecification;
436467f5	564	outputBlocks.push_back( bdHW );
436467f5	565	}
436467f5	566	}
5cccaefd	567	size = dataOffsetBeforeHW+sizeOfHWArray;
436467f5	568	fDigitReader->Reset();
3789100d	569	}
092a1374	570
5cccaefd	571	if (iResult<0) {
	572	fDigitReader->Reset();
	573	size=0;
	574	}
	575
	576	return iResult;
afa4418c	577	}