qtmobility/plugins/multimedia/directshow/player/directshoweventloop.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 03 May 2010 13:18:40 +0300
changeset 4 90517678cc4f
parent 1 2b40d63a9c3d
child 11 06b8e2af4411
permissions -rw-r--r--
Revision: 201015 Kit: 201018

/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef DIRECTSHOWEVENTLOOP_H
#define DIRECTSHOWEVENTLOOP_H

#include <QtCore/qmutex.h>
#include <QtCore/qobject.h>
#include <QtCore/qwaitcondition.h>

#include <windows.h>

class DirectShowPostedEvent;

class DirectShowEventLoop : public QObject
{
    Q_OBJECT
public:
    DirectShowEventLoop(QObject *parent = 0);
    ~DirectShowEventLoop();

    void wait(QMutex *mutex);
    void wake();

    void postEvent(QObject *object, QEvent *event);

protected:
    void customEvent(QEvent *event);

private:
    void processEvents();

    DirectShowPostedEvent *m_postsHead;
    DirectShowPostedEvent *m_postsTail;
    HANDLE m_eventHandle;
    HANDLE m_waitHandle;
    QMutex m_mutex;
};

#endif