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/***************************************************************************
* Copyright (C) 2008-2017 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 <QDialog>
#include <QMessageBox>
#include <QFile>
#include <QTextCodec>
#include <QSettings>
#include <QTranslator>
#include <QtPlugin>
#include <mad.h>
#include <taglib/tag.h>
#include <taglib/fileref.h>
#include <taglib/id3v1tag.h>
#include <taglib/id3v2tag.h>
#include <taglib/apetag.h>
#include <taglib/tfile.h>
#include <taglib/mpegfile.h>
#if (TAGLIB_MAJOR_VERSION > 1) || ((TAGLIB_MAJOR_VERSION == 1) && (TAGLIB_MINOR_VERSION >= 8))
#include <taglib/tfilestream.h>
#endif
#include "mpegmetadatamodel.h"
#include "replaygainreader.h"
#include "settingsdialog.h"
#include "decoder_mad.h"
#include "decodermadfactory.h"
// DecoderMADFactory
DecoderMADFactory::DecoderMADFactory()
{
//detecting rusxmms patch
m_using_rusxmms = false;
char str[] = { char(0xF2), char(0xE5), char(0xF1), char(0xF2), '\0'};
QTextCodec *codec = QTextCodec::codecForName ("windows-1251");
TagLib::String tstr(str);
if(codec->toUnicode(str) == QString::fromUtf8(tstr.toCString(true)))
{
qDebug("DecoderMADFactory: found taglib with rusxmms patch");
m_using_rusxmms = true;
}
}
bool DecoderMADFactory::canDecode(QIODevice *input) const
{
char buf[8192];
qint64 buf_at = sizeof(buf);
if(input->peek(buf, sizeof(buf)) != sizeof(buf))
return false;
if (!memcmp(buf, "FLV", 3)) //skip Macromedia Flash Video
return false;
if (!memcmp(buf + 8, "WAVE", 4))
return !memcmp(buf + 20, "U" ,1);
if(!memcmp(buf, "ID3", 3))
{
TagLib::ByteVector byteVector(buf, sizeof(buf));
TagLib::ID3v2::Header header(byteVector);
//skip id3v2tag if possible
if(input->isSequential())
{
if(header.tagSize() >= sizeof(buf))
return false;
buf_at = sizeof(buf) - header.tagSize();
memmove(buf, buf + header.tagSize() + header.tagSize(), sizeof(buf) - header.tagSize());
}
else
{
input->seek(header.tagSize());
buf_at = input->read(buf, sizeof(buf));
input->seek(0); //restore inital position
}
}
if(buf_at > 0)
{
struct mad_stream stream;
struct mad_header header;
int dec_res;
mad_stream_init (&stream);
mad_header_init (&header);
mad_stream_buffer (&stream, (unsigned char *) buf, buf_at);
stream.error = MAD_ERROR_NONE;
while ((dec_res = mad_header_decode(&header, &stream)) == -1
&& MAD_RECOVERABLE(stream.error))
;
return dec_res != -1 ? true: false;
}
return false;
}
const DecoderProperties DecoderMADFactory::properties() const
{
DecoderProperties properties;
properties.name = tr("MPEG Plugin");
properties.shortName = "mad";
properties.filters << "*.mp1" << "*.mp2" << "*.mp3" << "*.wav";
properties.description = tr("MPEG Files");
properties.contentTypes << "audio/mp3" << "audio/mpeg";
properties.hasAbout = true;
properties.hasSettings = true;
return properties;
}
Decoder *DecoderMADFactory::create(const QString &url, QIODevice *input)
{
Decoder *d = new DecoderMAD(input);
if(!url.contains("://")) //local file
{
ReplayGainReader rg(url);
d->setReplayGainInfo(rg.replayGainInfo());
}
return d;
}
QList<FileInfo *> DecoderMADFactory::createPlayList(const QString &fileName, bool useMetaData, QStringList *)
{
FileInfo *info = new FileInfo(fileName);
TagLib::Tag *tag = 0;
#if (TAGLIB_MAJOR_VERSION > 1) || ((TAGLIB_MAJOR_VERSION == 1) && (TAGLIB_MINOR_VERSION >= 8))
TagLib::FileStream stream(QStringToFileName(fileName), true);
TagLib::MPEG::File fileRef(&stream, TagLib::ID3v2::FrameFactory::instance());
#else
TagLib::MPEG::File fileRef(QStringToFileName(fileName));
#endif
if (useMetaData)
{
QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
settings.beginGroup("MAD");
QTextCodec *codec = 0;
uint tag_array[3];
tag_array[0] = settings.value("tag_1", SettingsDialog::ID3v2).toInt();
tag_array[1] = settings.value("tag_2", SettingsDialog::APE).toInt();
tag_array[2] = settings.value("tag_3", SettingsDialog::ID3v1).toInt();
QByteArray name;
for (int i = 0; i < 3; ++i)
{
switch ((uint) tag_array[i])
{
case SettingsDialog::ID3v1:
codec = QTextCodec::codecForName(settings.value("ID3v1_encoding","ISO-8859-1")
.toByteArray ());
tag = fileRef.ID3v1Tag();
break;
case SettingsDialog::ID3v2:
name = settings.value("ID3v2_encoding","UTF-8").toByteArray ();
if (name.contains("UTF"))
codec = QTextCodec::codecForName ("UTF-8");
else
codec = QTextCodec::codecForName(name);
tag = fileRef.ID3v2Tag();
break;
case SettingsDialog::APE:
codec = QTextCodec::codecForName ("UTF-8");
tag = fileRef.APETag();
break;
case SettingsDialog::Disabled:
break;
}
if (tag && !tag->isEmpty())
break;
}
settings.endGroup();
if(m_using_rusxmms)
codec = QTextCodec::codecForName ("UTF-8");
if (!codec)
codec = QTextCodec::codecForName ("UTF-8");
if (tag && codec)
{
bool utf = codec->name ().contains("UTF");
TagLib::String album = tag->album();
TagLib::String artist = tag->artist();
TagLib::String comment = tag->comment();
TagLib::String genre = tag->genre();
TagLib::String title = tag->title();
info->setMetaData(Qmmp::ALBUM,
codec->toUnicode(album.toCString(utf)).trimmed());
info->setMetaData(Qmmp::ARTIST,
codec->toUnicode(artist.toCString(utf)).trimmed());
info->setMetaData(Qmmp::COMMENT,
codec->toUnicode(comment.toCString(utf)).trimmed());
info->setMetaData(Qmmp::GENRE,
codec->toUnicode(genre.toCString(utf)).trimmed());
info->setMetaData(Qmmp::TITLE,
codec->toUnicode(title.toCString(utf)).trimmed());
info->setMetaData(Qmmp::YEAR,
tag->year());
info->setMetaData(Qmmp::TRACK,
tag->track());
if(tag == fileRef.ID3v2Tag())
{
if(!fileRef.ID3v2Tag()->frameListMap()["TPE2"].isEmpty())
{
TagLib::String albumArtist;
albumArtist = fileRef.ID3v2Tag()->frameListMap()["TPE2"].front()->toString();
info->setMetaData(Qmmp::ALBUMARTIST,
codec->toUnicode(albumArtist.toCString(utf)).trimmed());
}
if(!fileRef.ID3v2Tag()->frameListMap()["TCOM"].isEmpty())
{
TagLib::String composer;
composer = fileRef.ID3v2Tag()->frameListMap()["TCOM"].front()->toString();
info->setMetaData(Qmmp::COMPOSER,
codec->toUnicode(composer.toCString(utf)).trimmed());
}
if(!fileRef.ID3v2Tag()->frameListMap()["TPOS"].isEmpty())
{
TagLib::String disc = fileRef.ID3v2Tag()->frameListMap()["TPOS"].front()->toString();
info->setMetaData(Qmmp::DISCNUMBER, QString(disc.toCString()).trimmed());
}
}
else if(tag == fileRef.APETag())
{
TagLib::APE::Item fld;
if(!(fld = fileRef.APETag()->itemListMap()["ALBUM ARTIST"]).isEmpty())
info->setMetaData(Qmmp::ALBUMARTIST,
QString::fromUtf8(fld.toString().toCString(true)).trimmed());
if(!(fld = fileRef.APETag()->itemListMap()["COMPOSER"]).isEmpty())
info->setMetaData(Qmmp::COMPOSER,
QString::fromUtf8(fld.toString().toCString(true)).trimmed());
}
}
}
if (fileRef.audioProperties())
info->setLength(fileRef.audioProperties()->length());
QList <FileInfo*> list;
list << info;
return list;
}
MetaDataModel* DecoderMADFactory::createMetaDataModel(const QString &path, QObject *parent)
{
return new MPEGMetaDataModel(m_using_rusxmms, path, parent);
}
void DecoderMADFactory::showSettings(QWidget *parent)
{
SettingsDialog *s = new SettingsDialog(m_using_rusxmms, parent);
s->show();
}
void DecoderMADFactory::showAbout(QWidget *parent)
{
QMessageBox::about (parent, tr("About MPEG Audio Plugin"),
tr("Qmmp MPEG Audio Plugin")+"\n"+
tr("Compiled against libmad version:")+" "+
QString("%1.%2.%3%4").arg(MAD_VERSION_MAJOR)
.arg(MAD_VERSION_MINOR)
.arg(MAD_VERSION_PATCH).arg(MAD_VERSION_EXTRA)+"\n"+
tr("Written by: Ilya Kotov <forkotov02@ya.ru>")+"\n"+
tr("Source code based on mq3 and madplay projects")
);
}
QTranslator *DecoderMADFactory::createTranslator(QObject *parent)
{
QTranslator *translator = new QTranslator(parent);
QString locale = Qmmp::systemLanguageID();
translator->load(QString(":/mad_plugin_") + locale);
return translator;
}
Q_EXPORT_PLUGIN2(mad, DecoderMADFactory)
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