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#include <QtGui>
#include <QDialog>
#include <QMessageBox>
#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>
#include "detailsdialog.h"
#include "settingsdialog.h"
#include "decoder_mad.h"
#include "decodermadfactory.h"
// DecoderMADFactory
bool DecoderMADFactory::supports(const QString &source) const
{
QString ext = source.right(4).toLower();
return ext == ".mp1" || ext == ".mp2" || ext == ".mp3";
}
bool DecoderMADFactory::canDecode(QIODevice *input) const
{
char buf[16 * 512];
if (input->peek(buf,sizeof(buf)) == sizeof(buf))
{
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, sizeof(buf));
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.filter = "*.mp1 *.mp2 *.mp3";
properties.description = tr("MPEG Files");
properties.contentType = "audio/mp3;audio/mpeg";
properties.hasAbout = TRUE;
properties.hasSettings = TRUE;
return properties;
}
Decoder *DecoderMADFactory::create(QObject *parent, QIODevice *input, Output *output)
{
return new DecoderMAD(parent, this, input, output);
}
FileTag *DecoderMADFactory::createTag(const QString &source)
{
FileTag *ftag = new FileTag();
TagLib::Tag *tag = 0;
TagLib::MPEG::File fileRef(source.toLocal8Bit ());
QSettings settings(QDir::homePath()+"/.qmmp/qmmprc", QSettings::IniFormat);
settings.beginGroup("MAD");
QTextCodec *codec_v1 =
QTextCodec::codecForName(settings.value("ID3v1_encoding","UTF-8" )
.toByteArray ());
QTextCodec *codec_v2 =
QTextCodec::codecForName(settings.value("ID3v2_encoding","UTF-8" )
.toByteArray ());
if (!codec_v1)
codec_v1 = QTextCodec::codecForName ("UTF-8");
if (!codec_v2)
codec_v2 = QTextCodec::codecForName ("UTF-8");
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::Disabled).toInt();
tag_array[2] = settings.value("tag_3", SettingsDialog::Disabled).toInt();
for (int i = 0; i < 3; ++i)
{
switch ((uint) tag_array[i])
{
case SettingsDialog::ID3v1:
{
codec = codec_v1;
tag = fileRef.ID3v1Tag();
break;
}
case SettingsDialog::ID3v2:
{
codec = codec_v2;
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 (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();
ftag->setValue(FileTag::ALBUM,
codec->toUnicode(album.toCString(utf)).trimmed());
ftag->setValue(FileTag::ARTIST,
codec->toUnicode(artist.toCString(utf)).trimmed());
ftag->setValue(FileTag::COMMENT,
codec->toUnicode(comment.toCString(utf)).trimmed());
ftag->setValue(FileTag::GENRE,
codec->toUnicode(genre.toCString(utf)).trimmed());
ftag->setValue(FileTag::TITLE,
codec->toUnicode(title.toCString(utf)).trimmed());
ftag->setValue(FileTag::YEAR,
tag->year());
ftag->setValue(FileTag::TRACK,
tag->track());
}
if (fileRef.audioProperties())
ftag->setValue(FileTag::LENGTH,fileRef.audioProperties()->length());
return ftag;
}
QObject* DecoderMADFactory::showDetails(QWidget *parent, const QString &path)
{
DetailsDialog *d = new DetailsDialog(parent, path);
d -> show();
return d;
}
void DecoderMADFactory::showSettings(QWidget *parent)
{
SettingsDialog *s = new SettingsDialog(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("Writen by: Ilya Kotov <forkotov02@hotmail.ru>")+"\n"+
tr("Source code based on mq3 progect")
);
}
QTranslator *DecoderMADFactory::createTranslator(QObject *parent)
{
QTranslator *translator = new QTranslator(parent);
QString locale = QLocale::system().name();
translator->load(QString(":/mad_plugin_") + locale);
return translator;
}
Q_EXPORT_PLUGIN(DecoderMADFactory)
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