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/***************************************************************************
* Copyright (C) 2010-2019 by Ilya Kotov *
* forkotov02@ya.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., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <QRegExp>
#include <QSettings>
#include <qmmp/qmmp.h>
#include "gmehelper.h"
GmeHelper::GmeHelper()
{
m_emu = nullptr;
QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
m_fade_length = settings.value("GME/fadeout_length", 7000).toInt();
if(settings.value("GME/fadeout", false).toBool())
m_fade_length = 0;
}
GmeHelper::~GmeHelper()
{
if(m_emu)
gme_delete(m_emu);
m_emu = nullptr;
}
Music_Emu *GmeHelper::load(const QString &url, int sample_rate)
{
if(m_emu)
gme_delete(m_emu);
m_emu = nullptr;
QString path = url;
if(url.contains("://"))
{
path.remove("gme://");
path.remove(QRegExp("#\\d+$"));
}
const char *err = nullptr;
gme_type_t file_type;
if((err = gme_identify_file(qPrintable(path),&file_type)))
{
qWarning("GmeHelper: %s", err);
return nullptr;
}
if(!file_type)
{
qWarning("DecoderGme: unsupported music type");
return nullptr;
}
if(!(m_emu = gme_new_emu(file_type, sample_rate)))
{
qWarning("GmeHelper: out of memory");
return nullptr;
}
if((err = gme_load_file(m_emu, qPrintable(path))))
{
qWarning("GmeHelper: %s", err);
return nullptr;
}
QString m3u_path = path.left(path.lastIndexOf("."));
m3u_path.append(".m3u");
gme_load_m3u(m_emu, qPrintable(m3u_path));
m_path = path;
return m_emu;
}
QList<TrackInfo *> GmeHelper::createPlayList(TrackInfo::Parts parts)
{
QList<TrackInfo*> list;
if(!m_emu)
return list;
int count = gme_track_count(m_emu);
gme_info_t *track_info;
for(int i = 0; i < count; ++i)
{
TrackInfo *info = new TrackInfo();
if(!gme_track_info(m_emu, &track_info, i))
{
if(track_info->length <= 0)
track_info->length = track_info->intro_length + track_info->loop_length * 2;
}
if(track_info->length <= 0)
track_info->length = (long) (2.5 * 60 * 1000);
if(track_info->length < m_fade_length)
track_info->length += m_fade_length;
if(parts & TrackInfo::MetaData)
{
info->setValue(Qmmp::ALBUM, track_info->game);
info->setValue(Qmmp::TITLE, track_info->song);
info->setValue(Qmmp::ARTIST, track_info->author);
info->setValue(Qmmp::COMMENT, track_info->comment);
info->setValue(Qmmp::TRACK, i+1);
}
if(parts & TrackInfo::Properties)
{
info->setValue(Qmmp::BITRATE, 8);
info->setValue(Qmmp::SAMPLERATE, 44100);
info->setValue(Qmmp::CHANNELS, 2);
info->setValue(Qmmp::BITS_PER_SAMPLE, 16);
info->setValue(Qmmp::FORMAT_NAME, track_info->system);
}
info->setPath("gme://" + m_path + QString("#%1").arg(i+1));
info->setDuration(track_info->length);
gme_free_info(track_info);
list << info;
}
return list;
}
int GmeHelper::fadeLength()
{
return m_fade_length;
}
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