CassetteImage.hh

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#ifndef CASSETTEIMAGE_HH
#define CASSETTEIMAGE_HH

#include "EmuTime.hh"
#include "sha1.hh"
#include <string>

namespace openmsx {

class CassetteImage
{
public:
        enum FileType { ASCII, BINARY, BASIC, UNKNOWN };

        virtual ~CassetteImage();
        virtual short getSampleAt(EmuTime::param time) = 0;
        virtual EmuTime getEndTime() const = 0;
        virtual unsigned getFrequency() const = 0;
        virtual void fillBuffer(unsigned pos, int** bufs, unsigned num) const = 0;

        FileType getFirstFileType() const;
        std::string getFirstFileTypeAsString() const;

        const Sha1Sum& getSha1Sum() const;

protected:
        CassetteImage();
        void setFirstFileType(FileType type);
        void setSha1Sum(const Sha1Sum& sha1sum);

private:
        FileType firstFileType;
        Sha1Sum sha1sum;
};

} // namespace openmsx

#endif