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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 Annotator
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5 A utility for batch feature extraction from audio files.
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6 Mark Levy, Chris Sutton and Chris Cannam, Queen Mary, University of London.
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7 Copyright 2007-2014 QMUL.
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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 _MULTIPLEXED_READER_H_
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17 #define _MULTIPLEXED_READER_H_
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18
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19 #include "data/fileio/AudioFileReader.h"
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20
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21 #include <QString>
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22 #include <QList>
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23
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24 class MultiplexedReader : public AudioFileReader
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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 // I take ownership of readers
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30 MultiplexedReader(QList<AudioFileReader *> readers);
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31 virtual ~MultiplexedReader();
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32
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33 virtual QString getError() const { return m_error; }
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34 virtual bool isQuicklySeekable() const { return m_quicklySeekable; }
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35
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36 virtual void getInterleavedFrames(int start, int count,
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37 SampleBlock &frames) const;
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38
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39 virtual int getDecodeCompletion() const;
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40
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41 virtual bool isUpdating() const;
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42
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43 protected:
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44 QString m_error;
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45 bool m_quicklySeekable;
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46 QList<AudioFileReader *> m_readers;
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47 };
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48
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49 #endif
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