comparison data/fileio/WavFileReader.h @ 148:1a42221a1522

* Reorganising code base. This revision will not compile.
author Chris Cannam
date Mon, 31 Jul 2006 11:49:58 +0000
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children c03ec31005e1
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147:3a13b0d4934e 148:1a42221a1522
1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
2
3 /*
4 Sonic Visualiser
5 An audio file viewer and annotation editor.
6 Centre for Digital Music, Queen Mary, University of London.
7 This file copyright 2006 Chris Cannam.
8
9 This program is free software; you can redistribute it and/or
10 modify it under the terms of the GNU General Public License as
11 published by the Free Software Foundation; either version 2 of the
12 License, or (at your option) any later version. See the file
13 COPYING included with this distribution for more information.
14 */
15
16 #ifndef _WAV_FILE_READER_H_
17 #define _WAV_FILE_READER_H_
18
19 #include "AudioFileReader.h"
20
21 #include <sndfile.h>
22 #include <QMutex>
23
24 class WavFileReader : public AudioFileReader
25 {
26 public:
27 WavFileReader(QString path);
28 virtual ~WavFileReader();
29
30 virtual QString getError() const { return m_error; }
31
32 /**
33 * Must be safe to call from multiple threads with different
34 * arguments on the same object at the same time.
35 */
36 virtual void getInterleavedFrames(size_t start, size_t count,
37 SampleBlock &frames) const;
38
39 protected:
40 SF_INFO m_fileInfo;
41 SNDFILE *m_file;
42
43 QString m_path;
44 QString m_error;
45
46 mutable QMutex m_mutex;
47 mutable float *m_buffer;
48 mutable size_t m_bufsiz;
49 mutable size_t m_lastStart;
50 mutable size_t m_lastCount;
51 };
52
53 #endif