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-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** 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 The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QGSTREAMERVIDEOOVERLAY_P_H
-#define QGSTREAMERVIDEOOVERLAY_P_H
-
-//
-// W A R N I N G
-// -------------
-//
-// This file is not part of the Qt API. It exists purely as an
-// implementation detail. This header file may change from version to
-// version without notice, or even be removed.
-//
-// We mean it.
-//
-
-#include <private/qgstreamerbushelper_p.h>
-#include <private/qgstreamerbufferprobe_p.h>
-#include <QtGui/qwindowdefs.h>
-#include <QtCore/qsize.h>
-
-QT_BEGIN_NAMESPACE
-
-class QGstreamerSinkProperties;
-class QGstreamerVideoOverlay
- : public QObject
- , public QGstreamerSyncMessageFilter
- , public QGstreamerBusMessageFilter
- , private QGstreamerBufferProbe
-{
- Q_OBJECT
- Q_INTERFACES(QGstreamerSyncMessageFilter QGstreamerBusMessageFilter)
-public:
- explicit QGstreamerVideoOverlay(QObject *parent = 0, const QByteArray &elementName = QByteArray());
- virtual ~QGstreamerVideoOverlay();
-
- GstElement *videoSink() const;
- void setVideoSink(GstElement *);
- QSize nativeVideoSize() const;
-
- void setWindowHandle(WId id);
- void expose();
- void setRenderRectangle(const QRect &rect);
-
- bool isActive() const;
-
- Qt::AspectRatioMode aspectRatioMode() const;
- void setAspectRatioMode(Qt::AspectRatioMode mode);
-
- 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);
-
- bool processSyncMessage(const QGstreamerMessage &message) override;
- bool processBusMessage(const QGstreamerMessage &message) override;
-
-Q_SIGNALS:
- void nativeVideoSizeChanged();
- void activeChanged();
- void brightnessChanged(int brightness);
- void contrastChanged(int contrast);
- void hueChanged(int hue);
- void saturationChanged(int saturation);
-
-private:
- void setWindowHandle_helper(WId id);
- void updateIsActive();
- void probeCaps(GstCaps *caps) override;
- static void showPrerollFrameChanged(GObject *, GParamSpec *, QGstreamerVideoOverlay *);
-
- GstElement *m_videoSink = nullptr;
- QSize m_nativeVideoSize;
- bool m_isActive = false;
-
- QGstreamerSinkProperties *m_sinkProperties = nullptr;
- WId m_windowId = 0;
-};
-
-QT_END_NAMESPACE
-
-#endif // QGSTREAMERVIDEOOVERLAY_P_H
-