int sharedDuration = -1;

MediaPlayer::MediaPlayer(QObject* parent): bb::multimedia::MediaPlayer(parent)
{
	connect(this, SIGNAL(metaDataChanged(const QVariantMap&)), this,
			    SLOT(onMetaDataChanged(const QVariantMap&)), Qt::DirectConnection);
}

void MediaPlayer::prepareMetaData(QString path)
{
	reset();
	setSourceUrl(path);
	if(prepare() != bb::multimedia::MediaError::None)
	{
		sharedDuration = 0;
	}
}

void MediaPlayer::onMetaDataChanged(const QVariantMap& metadata)
{

	if(metadata.value(bb::multimedia::MetaData::Duration).toInt() > 0)
	{
		qDebug()<<"onMetaDataChanged?????"<< metadata;
		sharedDuration = metadata.value(bb::multimedia::MetaData::Duration).toInt();
	}
}

MetaDataReader::MetaDataReader(QObject* parent): QObject(parent)
{
	m_mediaPlayer.moveToThread(&thread);
	connect(this, SIGNAL(prepare(QString)), &m_mediaPlayer, SLOT(prepareMetaData(QString)));

}

MetaDataReader::~MetaDataReader()
{
	m_mediaPlayer.reset();
}

_int64 MetaDataReader::getDuration(QString path)
{
	sharedDuration = -1;
	thread.start();
	emit prepare(path);
	qDebug()<<"before while????????";
	qDebug() <<"path ?????" << path;
	while(1)
	{
		if(sharedDuration != -1)
			break;
	}
	return sharedDuration;
}

} //end of namespace