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-/****************************************************************************
-**
-** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/legal
-**
-** This file is part of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and Digia. For licensing terms and
-** conditions see http://qt.digia.com/licensing. For further information
-** use the contact form at http://qt.digia.com/contact-us.
-**
-** 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, Digia gives you certain additional
-** rights. These rights are described in the Digia 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.
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QX11VIDEOSURFACE_H
-#define QX11VIDEOSURFACE_H
-
-#include <QtWidgets/qwidget.h>
-#include <qabstractvideosurface.h>
-
-#include <X11/Xlib.h>
-#include <X11/extensions/Xv.h>
-#include <X11/extensions/Xvlib.h>
-
-QT_BEGIN_NAMESPACE
-
-class QX11VideoSurface : public QAbstractVideoSurface
-{
- Q_OBJECT
-public:
- QX11VideoSurface(QObject *parent = 0);
- ~QX11VideoSurface();
-
- WId winId() const;
- void setWinId(WId id);
-
- QRect displayRect() const;
- void setDisplayRect(const QRect &rect);
-
- QRect viewport() const;
- void setViewport(const QRect &rect);
-
- int brightness() const;
- void setBrightness(int brightness);
-
- int contrast() const;
- void setContrast(int contrast);
-
- int hue() const;
- void setHue(int hue);
-
- int saturation() const;
- void setSaturation(int saturation);
-
- QList<QVideoFrame::PixelFormat> supportedPixelFormats(
- QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle) const;
-
- bool start(const QVideoSurfaceFormat &format);
- void stop();
-
- bool present(const QVideoFrame &frame);
-
-private:
- Display *display() const;
-
- WId m_winId;
- XvPortID m_portId;
- GC m_gc;
- XvImage *m_image;
- QList<QVideoFrame::PixelFormat> m_supportedPixelFormats;
- QVector<int> m_formatIds;
- QRect m_viewport;
- QRect m_displayRect;
- QPair<int, int> m_brightnessRange;
- QPair<int, int> m_contrastRange;
- QPair<int, int> m_hueRange;
- QPair<int, int> m_saturationRange;
-
- bool findPort();
- void querySupportedFormats();
-
- int getAttribute(const char *attribute, int minimum, int maximum) const;
- void setAttribute(const char *attribute, int value, int minimum, int maximum);
-
- static int redistribute(int value, int fromLower, int fromUpper, int toLower, int toUpper);
-};
-
-QT_END_NAMESPACE
-
-#endif