view data/fileio/AudioFileReaderFactory.cpp @ 157:c03ec31005e1

* Add zoom thumbwheels to Pane.  Implement horizontal thumbwheel, and
  vertical depending on layer type (supported for waveform and spectrogram,
  though wrong for log-scale spectrogram at the moment).
* Add bare bones of a spectrum layer.
* Add window icon
* Add shortcut for "insert time instant" on laptops without keypad enter (";")
* Delete FFT processing thread when it exits (at least, next time we're asked
  for something interesting)
* Get audio file extensions from the file readers, and thus from libsndfile for
  the wave file reader -- leads to rather a wide combo box in file dialog though
* Better refresh order for spectrogram (redraw centre section first)

/* -*- 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.
*/

#include "AudioFileReaderFactory.h"

#include "WavFileReader.h"
#include "OggVorbisFileReader.h"
#include "MP3FileReader.h"

#include <QString>

QString
AudioFileReaderFactory::getKnownExtensions()
{
    std::set<QString> extensions;

    WavFileReader::getSupportedExtensions(extensions);
#ifdef HAVE_MAD
    MP3FileReader::getSupportedExtensions(extensions);
#endif
#ifdef HAVE_OGGZ
#ifdef HAVE_FISHSOUND
    OggVorbisFileReader::getSupportedExtensions(extensions);
#endif
#endif

    QString rv;
    for (std::set<QString>::const_iterator i = extensions.begin();
         i != extensions.end(); ++i) {
        if (i != extensions.begin()) rv += " ";
        rv += "*." + *i;
    }

    return rv;
}

AudioFileReader *
AudioFileReaderFactory::createReader(QString path)
{
    QString err;

    AudioFileReader *reader = 0;

    reader = new WavFileReader(path);
    if (reader->isOK()) return reader;
    if (reader->getError() != "") err = reader->getError();
    delete reader;

#ifdef HAVE_OGGZ
#ifdef HAVE_FISHSOUND
    reader = new OggVorbisFileReader(path, true,
                                     OggVorbisFileReader::CacheInTemporaryFile);
    if (reader->isOK()) return reader;
    if (reader->getError() != "") err = reader->getError();
    delete reader;
#endif
#endif
 
#ifdef HAVE_MAD
    reader = new MP3FileReader(path, true,
                               MP3FileReader::CacheInTemporaryFile);
    if (reader->isOK()) return reader;
    if (reader->getError() != "") err = reader->getError();
    delete reader;
#endif

    return 0;
}