qplatformvideosink_p.h

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// Copyright (C) 2021 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef QPLATFORMVIDEOSINK_H

#define QPLATFORMVIDEOSINK_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 <QtMultimedia/qtmultimediaglobal.h>

#include <QtMultimedia/qvideoframe.h>

#include <QtMultimedia/qvideosink.h>

#include <QtGui/qwindowdefs.h>

#include <QtCore/private/qglobal_p.h>

#include <QtCore/qdebug.h>

#include <QtCore/qmutex.h>

#include <QtCore/qobject.h>

#include <QtCore/qrect.h>

#include <QtCore/qsize.h>

QT_BEGIN_NAMESPACE

// Required for QDoc workaround

class QString;

class Q_MULTIMEDIA_EXPORT QPlatformVideoSink : public QObject

    Q_OBJECT

public:

    ~QPlatformVideoSink() override;

    virtual void setRhi(QRhi * /*rhi*/) {}

    virtual void setWinId(WId) {}

    virtual void setDisplayRect(const QRect &) {};

    virtual void setFullScreen(bool) {}

    virtual void setAspectRatioMode(Qt::AspectRatioMode) {}

    QSize nativeSize() const;

    virtual void setBrightness(float /*brightness*/) {}

    virtual void setContrast(float /*contrast*/) {}

    virtual void setHue(float /*hue*/) {}

    virtual void setSaturation(float /*saturation*/) {}

    QVideoSink *videoSink() { return m_sink; }

    void setNativeSize(QSize s);

    void setVideoFrame(const QVideoFrame &frame);

    QVideoFrame currentVideoFrame() const;

    void setSubtitleText(const QString &subtitleText);

    QString subtitleText() const;

protected:

    explicit QPlatformVideoSink(QVideoSink *parent);

    virtual void onVideoFrameChanged(const QVideoFrame &) { }

Q_SIGNALS:

    void rhiChanged();

private:

    QVideoSink *const m_sink = nullptr;

    mutable QMutex m_mutex; // Protects all members below

    QSize m_nativeSize;

    QString m_subtitleText;

    QVideoFrame m_currentVideoFrame;

};

QT_END_NAMESPACE

#endif