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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef AVFVIDEORENDERERCONTROL_H
#define AVFVIDEORENDERERCONTROL_H

#include <QtMultimedia/qvideorenderercontrol.h>
#include <QtMultimedia/qvideoframe.h>
#include <QtCore/qmutex.h>

#import <AVFoundation/AVFoundation.h>

QT_BEGIN_NAMESPACE

class AVFCameraSession;
class AVFCameraService;
class AVFVideoRendererControl;

@class AVFCaptureFramesDelegate;

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

    QAbstractVideoSurface *surface() const;
    void setSurface(QAbstractVideoSurface *surface);

    void configureAVCaptureSession(AVCaptureSession *captureSession);
    void syncHandleViewfinderFrame(const QVideoFrame &frame);

Q_SIGNALS:
    void surfaceChanged(QAbstractVideoSurface *surface);

private Q_SLOTS:
    void handleViewfinderFrame();

private:
    QAbstractVideoSurface *m_surface;
    AVFCaptureFramesDelegate *m_viewfinderFramesDelegate;
    AVCaptureSession *m_captureSession;
    AVCaptureVideoDataOutput *m_videoDataOutput;

    QVideoFrame m_lastViewfinderFrame;
    QMutex m_vfMutex;
};

QT_END_NAMESPACE

#endif