avfvideorenderercontrol_p.h

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// Copyright (C) 2016 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 AVFVIDEORENDERERCONTROL_H

#define AVFVIDEORENDERERCONTROL_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 <QtCore/qmutex.h>

#include <QtCore/qobject.h>

#include <QtCore/qsize.h>

#include <QtCore/private/qcore_mac_p.h>

#include <avfvideosink_p.h>

#include <CoreVideo/CVPixelBuffer.h>

#import <AVFoundation/AVFoundation.h>

Q_FORWARD_DECLARE_OBJC_CLASS(SubtitleDelegate);

QT_BEGIN_NAMESPACE

class AVFDisplayLink;

class AVFVideoRendererControl : public QObject, public AVFVideoSinkInterface

    Q_OBJECT

public:

    explicit AVFVideoRendererControl(QObject *parent = nullptr);

    ~AVFVideoRendererControl() override;

    // AVFVideoSinkInterface

    void reconfigure() override;

    void setLayer(CALayer *layer) override;

    void setVideoRotation(QtVideo::Rotation);

    void setVideoMirrored(bool mirrored);

    void setSubtitleText(const QString &subtitle)

        m_sink->setSubtitleText(subtitle);

private Q_SLOTS:

    void updateVideoFrame();

private:

    AVPlayerLayer *playerLayer() const { return static_cast<AVPlayerLayer *>(m_layer); }

    QCFType<CVPixelBufferRef> copyPixelBufferFromLayer(size_t &width, size_t &height,

                                                       qint64 &startTime);

    QMutex m_mutex;

    AVFDisplayLink *m_displayLink = nullptr;

    AVPlayerItemVideoOutput *m_videoOutput = nullptr;

    AVPlayerItemLegibleOutput *m_subtitleOutput = nullptr;

    SubtitleDelegate *m_subtitleDelegate = nullptr;

    QtVideo::Rotation m_rotation = QtVideo::Rotation::None;

    bool m_mirrored = false;

};

QT_END_NAMESPACE

#endif // AVFVIDEORENDERERCONTROL_H