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f8aae377 | 1 | #ifndef ALITPCRAWSTREAM_H |
2 | #define ALITPCRAWSTREAM_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | #include <TObject.h> | |
f8aae377 | 7 | #include "AliTPCCompression.h" |
8 | ||
42d20574 | 9 | class AliRawReader; |
10 | ||
f8aae377 | 11 | |
12 | class AliTPCRawStream: public TObject { | |
13 | public : | |
14 | AliTPCRawStream(AliRawReader* rawReader); | |
42d20574 | 15 | AliTPCRawStream(const AliTPCRawStream& stream); |
16 | AliTPCRawStream& operator = (const AliTPCRawStream& stream); | |
f8aae377 | 17 | virtual ~AliTPCRawStream(); |
18 | ||
19 | virtual Bool_t Next(); | |
20 | ||
42d20574 | 21 | Int_t GetSector() const {return fSector;}; |
22 | Int_t GetPrevSector() const {return fPrevSector;}; | |
23 | Bool_t IsNewSector() const {return fSector != fPrevSector;}; | |
24 | Int_t GetRow() const {return fRow;}; | |
25 | Int_t GetPrevRow() const {return fPrevRow;}; | |
26 | Bool_t IsNewRow() const {return (fRow != fPrevRow) || IsNewSector();}; | |
27 | Int_t GetPad() const {return fPad;}; | |
28 | Int_t GetPrevPad() const {return fPrevPad;}; | |
29 | Bool_t IsNewPad() const {return (fPad != fPrevPad) || IsNewRow();}; | |
30 | Int_t GetTime() const {return fTime;}; | |
31 | Int_t GetSignal() const {return fSignal;}; | |
f8aae377 | 32 | |
33 | protected : | |
42d20574 | 34 | UShort_t Get10BitWord(UChar_t* buffer, Int_t position) const; |
f8aae377 | 35 | |
36 | AliRawReader* fRawReader; // object for reading the raw data | |
37 | ||
38 | AliTPCCompression fCompression; // object for decompression | |
42d20574 | 39 | static const Int_t fgkNumTables = 5; // number of (de)compression tables |
f8aae377 | 40 | static AliTPCHNode** fgRootNode; // (de)compression tables |
41 | ||
42d20574 | 42 | static const Int_t fgkDataMax = 10000000; // size of array for uncompressed raw data |
f8aae377 | 43 | UShort_t* fData; // uncompressed raw data |
44 | Int_t fDataSize; // actual size of the uncompressed raw data | |
45 | Int_t fPosition; // current position in fData | |
46 | Int_t fCount; // counter of words to be read for current trailer | |
47 | Int_t fBunchLength; // remaining number of signal bins in the current bunch | |
42d20574 | 48 | static const Int_t fgkOffset = 1; // offset of signal |
f8aae377 | 49 | |
50 | Int_t fSector; // index of current sector | |
51 | Int_t fPrevSector; // index of previous sector | |
52 | Int_t fRow; // index of current row | |
53 | Int_t fPrevRow; // index of previous row | |
54 | Int_t fPad; // index of current pad | |
55 | Int_t fPrevPad; // index of previous pad | |
56 | Int_t fTime; // index of current time bin | |
57 | Int_t fSignal; // signal in ADC counts | |
58 | ||
59 | ClassDef(AliTPCRawStream, 0) // base class for reading TPC raw digits | |
60 | }; | |
61 | ||
62 | #endif |