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1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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2
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3 /*
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4 Sonic Visualiser
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5 An audio file viewer and annotation editor.
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6 Centre for Digital Music, Queen Mary, University of London.
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7 This file copyright 2006 Chris Cannam.
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8
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9 This program is free software; you can redistribute it and/or
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10 modify it under the terms of the GNU General Public License as
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11 published by the Free Software Foundation; either version 2 of the
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12 License, or (at your option) any later version. See the file
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13 COPYING included with this distribution for more information.
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14 */
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15
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16 #ifndef SV_BZIP_FILE_DEVICE_H
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17 #define SV_BZIP_FILE_DEVICE_H
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18
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19 #include <QIODevice>
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20 #include <QFile>
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21
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22 #include <bzlib.h>
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23
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24 class BZipFileDevice : public QIODevice
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25 {
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26 Q_OBJECT
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27
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28 public:
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29 BZipFileDevice(QString fileName);
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30 virtual ~BZipFileDevice();
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31
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32 bool open(OpenMode mode) override;
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33 void close() override;
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34
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35 virtual bool isOK() const;
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36
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37 bool isSequential() const override { return true; }
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38
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39 protected:
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40 qint64 readData(char *data, qint64 maxSize) override;
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41 qint64 writeData(const char *data, qint64 maxSize) override;
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42
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43 QString m_fileName;
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44
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45 QFile m_qfile;
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46 FILE *m_file;
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47 BZFILE *m_bzFile;
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48 bool m_atEnd;
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49 bool m_ok;
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50 };
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51
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52 #endif
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