view data/fileio/AudioFileReaderFactory.h @ 289:3020904de772

* Layer tree view updating when visibility / audibility changed (and layers
  updating when they are changed in view) -- still some problems when a model
  is loaded while the tree is visible
* FFTW_MEASURE throughout -- it does turn out to make an appreciable
  difference sometimes

/* -*- 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 _AUDIO_FILE_READER_FACTORY_H_
#define _AUDIO_FILE_READER_FACTORY_H_

#include <string>

class AudioFileReader;

class AudioFileReaderFactory
{
public:
    /**
     * Return the file extensions that we have audio file readers for,
     * in a format suitable for use with QFileDialog.  For example,
     * "*.wav *.aiff *.ogg".
     */
    static std::string getKnownExtensions();

    /**
     * Return an audio file reader initialised to the file at the
     * given path, or NULL if no suitable reader for this path is
     * available or the file cannot be opened.
     * Caller owns the returned object and must delete it after use.
     */
    static AudioFileReader *createReader(std::string path);
};

#endif