BdsDataFileTapeDigitiser.h

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/*******************************************************************************
 *  BdsDataFileTapeDigitiser.h  DataFileTapeDigitiser
 *          T.Barnaby,  BEAM Ltd,   2006-03-17
 *******************************************************************************
 */
#ifndef BdsDataFileTapeDigitiser_H
#define BdsDataFileTapeDigitiser_H  1
 
#include <BTypes.h>
#include <BError.h>
#include <BFile.h>
#include <BEntry.h>
#include <BBuffer.h>
#include <BDict.h>
#include <BdsDataFile.h>
 
namespace Bds {
 
class DataFileTapeDigitiser : public DataFile {
public:
                DataFileTapeDigitiser();
    
    BError          open(BString fileName, BString mode);       
 
                // Read routines
    BError          getInfo(DataInfo& dataInfo, DataFileOptions options, BList<DataError>& errors);
    BError          readData(BUInt32 channel, BUInt segment, BUInt32 blockNumber, DataBlock& data);
    
    static DataFormats  getFormats();
private:
    uint32_t        blockSize();                    
    uint32_t        blockNumSamples();              
    BError          readHeader(BDictString& header);            
    uint32_t        computeChecksum(void* data, int nBytes);
 
    BDictString     oheader;
    off64_t         oheaderSize;
    uint32_t        oblockSize;
    uint32_t        oblockNumSamples;
    double          osampleRate;
    BBuffer         obuffer;                    
    BString         oversion;
    DataInfo        odataInfo;
};
 
}
#endif