Mercurial > hg > svcore
view data/fileio/WavFileReader.h @ 411:52303ec15cd2
* Permit holding Shift while dragging an instant or other edited thing,
to override the initial drag resistance (for #1928943 sticky time
instants)
* better handling of updates during progressive decode load
* ready() signal from model (used by vect)
author | Chris Cannam |
---|---|
date | Mon, 19 May 2008 17:23:11 +0000 |
parents | 700cd3350391 |
children | f0558e69a074 |
line wrap: on
line source
/* -*- 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(FileSource source, bool fileUpdating = false); virtual ~WavFileReader(); virtual QString getLocation() const { return m_source.getLocation(); } 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); static bool supportsExtension(QString ext); static bool supportsContentType(QString type); static bool supports(FileSource &source); virtual int getDecodeCompletion() const { return 100; } bool isUpdating() const { return m_updating; } void updateFrameCount(); void updateDone(); protected: SF_INFO m_fileInfo; SNDFILE *m_file; FileSource m_source; 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