wavpluginimpl.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 90 行

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**
** This file is part of the Qtopia Environment.
** 
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** 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.
** 
** A copy of the GNU GPL license version 2 is included in this package as 
** LICENSE.GPL.
**
** 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.
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** the code of this program with Qtopia applications copyrighted, developed
** and distributed by Trolltech under the terms of the Qtopia Personal Use
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** in all respects for all of the code used other than the applications
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#include "wavplugin.h"
#include "wavpluginimpl.h"


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


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


MediaPlayerDecoder *WavPluginImpl::decoder()
{
    if ( !libmadplugin )
	libmadplugin = new WavPlugin;
    return libmadplugin;
}


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


#ifndef QT_NO_COMPONENT


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


Q_EXPORT_INTERFACE()
{
    Q_CREATE_INSTANCE( WavPluginImpl )
}


#endif