libmadpluginimpl.cpp

来自「Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3」· C++ 代码 · 共 74 行

/**********************************************************************
** Copyright (C) 2000-2002 Trolltech AS.  All rights reserved.
**
** This file is part of the Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact [e-mail] if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#include "libmadplugin.h"
#include "libmadpluginimpl.h"


LibMadPluginImpl::LibMadPluginImpl()
    : libmadplugin(0), ref(0)
{
}


LibMadPluginImpl::~LibMadPluginImpl()
{
    if ( libmadplugin )
	delete libmadplugin;
}


MediaPlayerDecoder *LibMadPluginImpl::decoder()
{
    if ( !libmadplugin )
	libmadplugin = new LibMadPlugin;
    return libmadplugin;
}


MediaPlayerEncoder *LibMadPluginImpl::encoder()
{
    return NULL;
}


#ifndef QT_NO_COMPONENT


QRESULT LibMadPluginImpl::queryInterface( const QUuid &uuid, QUnknownInterface **iface )
{
    *iface = 0;
    if ( ( uuid == IID_QUnknown ) || ( uuid == IID_MediaPlayerPlugin ) ) {
	*iface = this;
	(*iface)->addRef();
        return QS_OK;
    }
    return QS_FALSE;
}


Q_EXPORT_INTERFACE()
{
    Q_CREATE_INSTANCE( LibMadPluginImpl )
}


#endif