/***************************************************************************
* Copyright (C) 2010 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 "gmehelper.h"
#define FADE_LENGTH 8000
GmeHelper::GmeHelper()
{
m_emu = 0;
}
GmeHelper::~GmeHelper()
{
if(m_emu)
delete m_emu;
m_emu = 0;
}
Music_Emu *GmeHelper::load(const QString &url, int sample_rate)
{
if(m_emu)
delete m_emu;
m_emu = 0;
QString path = url;
if(url.contains("://"))
{
path = QUrl(url).path();
path.replace(QString(QUrl::toPercentEncoding("#")), "#");
path.replace(QString(QUrl::toPercentEncoding("?")), "?");
path.replace(QString(QUrl::toPercentEncoding("%")), "%");
}
const char *err = 0;
gme_type_t file_type;
if((err = gme_identify_file(qPrintable(path),&file_type)))
{
qWarning("GmeHelper: %s", err);
return 0;
}
if(!file_type)
{
qWarning("DecoderGme: unsupporetd music type");
return 0;
}
if(!(m_emu = file_type->new_emu()))
{
qWarning("GmeHelper: out of memory");
return 0;
}
if((err = m_emu->set_sample_rate(sample_rate)))
{
qWarning("GmeHelper: %s", err);
return 0;
}
if((err = m_emu->load_file(qPrintable(path))))
{
qWarning("GmeHelper: %s", err);
return 0;
}
QString m3u_path = path.left(path.lastIndexOf("."));
m3u_path.append(".m3u");
m_emu->load_m3u(qPrintable(m3u_path));
m_path = path;
return m_emu;
}
QList <FileInfo*> GmeHelper::createPlayList(bool meta)
{
QList <FileInfo*> list;
if(!m_emu)
return list;
int count = m_emu->track_count();
track_info_t track_info;
for(int i = 0; i < count; ++i)
{
FileInfo *info = new FileInfo();
m_emu->start_track(i);
if(!m_emu->track_info(&track_info))
{
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 < FADE_LENGTH)
track_info.length += FADE_LENGTH;
if(meta)
{
info->setMetaData(Qmmp::TITLE, track_info.song);
info->setMetaData(Qmmp::ARTIST, track_info.author);
info->setMetaData(Qmmp::COMMENT, track_info.comment);
info->setMetaData(Qmmp::TRACK, i+1);
}
QString path = m_path;
path.replace("%", QString(QUrl::toPercentEncoding("%"))); //replace special symbols
path.replace("#", QString(QUrl::toPercentEncoding("#")));
path.replace("?", QString(QUrl::toPercentEncoding("?")));
info->setPath("gme://"+path+QString("#%1").arg(i+1));
info->setLength(track_info.length/1000);
list << info;
}
return list;
}
int GmeHelper::fadeLength()
{
return FADE_LENGTH;
}
