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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 AVFVIDEOWINDOWCONTROL_H
#define AVFVIDEOWINDOWCONTROL_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/qplatformvideosink_p.h"
Q_FORWARD_DECLARE_OBJC_CLASS(CALayer);
Q_FORWARD_DECLARE_OBJC_CLASS(AVPlayerLayer);
Q_FORWARD_DECLARE_OBJC_CLASS(AVCaptureVideoPreviewLayer);
#if defined(Q_OS_OSX)
Q_FORWARD_DECLARE_OBJC_CLASS(NSView);
typedef NSView NativeView;
#else
Q_FORWARD_DECLARE_OBJC_CLASS(UIView);
typedef UIView NativeView;
#endif
QT_BEGIN_NAMESPACE
class AVFVideoSinkInterface;
class AVFVideoSink : public QPlatformVideoSink
{
Q_OBJECT
public:
AVFVideoSink(QVideoSink *parent = nullptr);
virtual ~AVFVideoSink();
// QPlatformVideoSink interface
public:
WId winId() const;
void setWinId(WId id) override;
void setRhi(QRhi *rhi) override;
QRect displayRect() const;
void setDisplayRect(const QRect &rect) override;
bool isFullScreen() const;
void setFullScreen(bool fullScreen) override;
QSize nativeSize() const override;
void setNativeSize(QSize size);
Qt::AspectRatioMode aspectRatioMode() const;
void setAspectRatioMode(Qt::AspectRatioMode mode) override;
void setBrightness(float brightness) override;
void setContrast(float contrast) override;
void setHue(float hue) override;
void setSaturation(float saturation) override;
void setLayer(CALayer *playerLayer);
void setVideoSinkInterface(AVFVideoSinkInterface *interface);
NativeView *nativeView() const { return m_nativeView; }
private:
AVFVideoSinkInterface *m_interface = nullptr;
WId m_winId = 0;
QRhi *m_rhi = nullptr;
NativeView *m_nativeView = nullptr;
QSize m_nativeSize;
QRect m_displayRect;
bool m_fullscreen = false;
float m_brightness = 0;
float m_contrast = 0;
float m_hue = 0;
float m_saturation = 0;
Qt::AspectRatioMode m_aspectRatioMode = Qt::KeepAspectRatio;
};
class AVFVideoSinkInterface
{
public:
~AVFVideoSinkInterface();
void setVideoSink(AVFVideoSink *sink);
virtual void reconfigure() = 0;
virtual void updateAspectRatio() = 0;
virtual void setRhi(QRhi *) { Q_ASSERT(false); }
void setLayer(CALayer *layer);
void renderToNativeView(bool enable);
bool shouldRenderToWindow()
{
return m_layer && nativeView(); // ### || isFullScreen());
}
bool rendersToWindow() const { return m_rendersToWindow; }
void updateLayerBounds();
void nativeSizeChanged() { updateLayerBounds(); }
protected:
NativeView *nativeView() const { return m_sink->nativeView(); }
QRect displayRect() { return m_sink->displayRect(); }
Qt::AspectRatioMode aspectRatioMode() const { return m_sink->aspectRatioMode(); }
bool isFullScreen() const { return m_sink->isFullScreen(); }
QSize nativeSize() const { return m_sink->nativeSize(); }
AVFVideoSink *m_sink = nullptr;
CALayer *m_layer = nullptr;
bool m_rendersToWindow = false;
};
QT_END_NAMESPACE
#endif // AVFVIDEOWINDOWCONTROL_H
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