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diff --git a/src/plugins/avfoundation/camera/avfcamerawindowcontrol.h b/src/plugins/avfoundation/camera/avfcamerawindowcontrol.h
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+++ b/src/plugins/avfoundation/camera/avfcamerawindowcontrol.h
@@ -0,0 +1,129 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 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 AVFCAMERAWINDOWCONTROL_H
+#define AVFCAMERAWINDOWCONTROL_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 <QVideoWindowControl>
+
+@class AVCaptureVideoPreviewLayer;
+#if defined(Q_OS_MACOS)
+@class NSView;
+typedef NSView NativeView;
+#else
+@class UIView;
+typedef UIView NativeView;
+#endif
+
+QT_BEGIN_NAMESPACE
+
+class AVFCameraWindowControl : public QVideoWindowControl
+{
+    Q_OBJECT
+public:
+    AVFCameraWindowControl(QObject *parent = nullptr);
+    virtual ~AVFCameraWindowControl() override;
+
+    // QVideoWindowControl interface
+public:
+    WId winId() const override;
+    void setWinId(WId id) override;
+
+    QRect displayRect() const override;
+    void setDisplayRect(const QRect &rect) override;
+
+    bool isFullScreen() const override;
+    void setFullScreen(bool fullScreen) override;
+
+    void repaint() override;
+
+    QSize nativeSize() const override;
+
+    Qt::AspectRatioMode aspectRatioMode() const override;
+    void setAspectRatioMode(Qt::AspectRatioMode mode) override;
+
+    int brightness() const override;
+    void setBrightness(int brightness) override;
+
+    int contrast() const override;
+    void setContrast(int contrast) override;
+
+    int hue() const override;
+    void setHue(int hue) override;
+
+    int saturation() const override;
+    void setSaturation(int saturation) override;
+
+    // AVF Camera implementation details
+    void setNativeSize(QSize size);
+    void setLayer(AVCaptureVideoPreviewLayer *capturePreviewLayer);
+
+private:
+    void updateAspectRatio();
+    void updateCaptureLayerBounds();
+
+    void retainNativeLayer();
+    void releaseNativeLayer();
+
+    void attachNativeLayer();
+    void detachNativeLayer();
+
+    WId m_winId{0};
+    QRect m_displayRect;
+    bool m_fullscreen{false};
+    Qt::AspectRatioMode m_aspectRatioMode{Qt::IgnoreAspectRatio};
+    QSize m_nativeSize;
+    AVCaptureVideoPreviewLayer *m_captureLayer{nullptr};
+    NativeView *m_nativeView{nullptr};
+};
+
+QT_END_NAMESPACE
+
+#endif // AVFCAMERAWINDOWCONTROL_H