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/***************************************************************************
* Copyright (C) 2008-2012 by Ilya Kotov *
* forkotov02@hotmail.ru *
* *
* 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. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <QtGui>
#include <QFile>
#include "aacfile.h"
#include "aacmetadatamodel.h"
#include "decoder_aac.h"
#include "decoderaacfactory.h"
// DecoderAACFactory
bool DecoderAACFactory::supports(const QString &source) const
{
return (source.right(4).toLower() == ".aac");
}
bool DecoderAACFactory::canDecode(QIODevice *input) const
{
uchar buf[4096];
qint64 buf_at = input->peek((char *) buf, 4096);
int tag_size = 0;
if (!memcmp(buf, "ID3", 3)) //skip ID3 tag
{
/* high bit is not used */
tag_size = (buf[6] << 21) | (buf[7] << 14) |
(buf[8] << 7) | (buf[9] << 0);
tag_size += 10;
if (buf_at - tag_size < 4)
return false;
memmove (buf, buf + tag_size, buf_at - tag_size);
}
//try to determinate header type;
if (buf[0] == 0xff && ((buf[1] & 0xf6) == 0xf0)) //ADTS header
return true;
else if (!memcmp(buf, "ADIF", 4)) //ADIF header
return true;
return false;
}
const DecoderProperties DecoderAACFactory::properties() const
{
DecoderProperties properties;
properties.name = tr("AAC Plugin");
properties.filters << "*.aac";
properties.description = tr("AAC Files");
//properties.contentType = ;
properties.shortName = "aac";
properties.hasAbout = true;
properties.hasSettings = false;
return properties;
}
Decoder *DecoderAACFactory::create(const QString &, QIODevice *input)
{
return new DecoderAAC(input);
}
QList<FileInfo *> DecoderAACFactory::createPlayList(const QString &fileName, bool useMetaData)
{
FileInfo *info = new FileInfo(fileName);
QFile file(fileName);
if (file.open(QIODevice::ReadOnly))
{
AACFile aac_file(&file, useMetaData);
if (useMetaData)
info->setMetaData(aac_file.metaData());
info->setLength(aac_file.length());
}
QList <FileInfo*> list;
list << info;
return list;
}
MetaDataModel* DecoderAACFactory::createMetaDataModel(const QString &path, QObject *parent)
{
return new AACMetaDataModel(path, parent);
}
void DecoderAACFactory::showSettings(QWidget *)
{}
void DecoderAACFactory::showAbout(QWidget *parent)
{
QMessageBox::about (parent, tr("About AAC Audio Plugin"),
tr("Qmmp AAC Audio Plugin")+"\n"+
tr("Written by: Ilya Kotov <forkotov02@hotmail.ru>"));
}
QTranslator *DecoderAACFactory::createTranslator(QObject *parent)
{
QTranslator *translator = new QTranslator(parent);
QString locale = Qmmp::systemLanguageID();
translator->load(QString(":/aac_plugin_") + locale);
return translator;
}
Q_EXPORT_PLUGIN2(aac,DecoderAACFactory)
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