Mercurial > hg > svcore
view data/fileio/WavFileReader.h @ 227:e919a2b97c2a
* Fix in-house FFT provision
author | Chris Cannam |
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date | Mon, 12 Feb 2007 11:46:31 +0000 |
parents | 570794f6f6a7 |
children | e08f486e8d8c |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2006 Chris Cannam. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ #ifndef _WAV_FILE_READER_H_ #define _WAV_FILE_READER_H_ #include "AudioFileReader.h" #include <sndfile.h> #include <QMutex> #include <set> class WavFileReader : public AudioFileReader { public: WavFileReader(QString path, bool fileUpdating = false); virtual ~WavFileReader(); virtual QString getError() const { return m_error; } /** * Must be safe to call from multiple threads with different * arguments on the same object at the same time. */ virtual void getInterleavedFrames(size_t start, size_t count, SampleBlock &frames) const; static void getSupportedExtensions(std::set<QString> &extensions); bool isUpdating() const { return m_updating; } void updateFrameCount(); void updateDone(); protected: SF_INFO m_fileInfo; SNDFILE *m_file; QString m_path; QString m_error; mutable QMutex m_mutex; mutable float *m_buffer; mutable size_t m_bufsiz; mutable size_t m_lastStart; mutable size_t m_lastCount; bool m_updating; }; #endif