avfvideosink_p.h - mozsearch

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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 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 <QtMultimedia/private/qplatformvideosink_p.h>

#include <QtCore/private/qcore_mac_p.h>

#include <CoreVideo/CVBase.h>

#include <CoreVideo/CVImageBuffer.h>

#include <CoreVideo/CVPixelBuffer.h>

#import <AVFoundation/AVFoundation.h>

#import <Metal/Metal.h>

QT_BEGIN_NAMESPACE

class AVFVideoSinkInterface;

class AVFVideoSink : public QPlatformVideoSink

    Q_OBJECT

public:

    explicit AVFVideoSink(QVideoSink *parent = nullptr);

    ~AVFVideoSink() override;

    // QPlatformVideoSink interface

public:

    void setRhi(QRhi *rhi) override;

    void setNativeSize(QSize size);

    void setVideoSinkInterface(AVFVideoSinkInterface *interface);

private:

    AVFVideoSinkInterface *m_interface = nullptr;

    QRhi *m_rhi = nullptr;

};

class AVFVideoSinkInterface

public:

    ~AVFVideoSinkInterface();

    void setVideoSink(AVFVideoSink *sink);

    virtual void reconfigure() = 0;

    virtual void setRhi(QRhi *);

    virtual void setLayer(CALayer *layer);

    virtual void setOutputSettings();

    QRhi *rhi() const { return m_rhi; }

    void updateLayerBounds();

    void nativeSizeChanged() { updateLayerBounds(); }

    QSize nativeSize() const { return m_sink ? m_sink->nativeSize() : QSize(); }

    QCFType<CVMetalTextureCacheRef> cvMetalTextureCache;

#if defined(Q_OS_MACOS)

    QCFType<CVOpenGLTextureCacheRef> cvOpenGLTextureCache;

#elif defined(Q_OS_IOS)

    QCFType<CVOpenGLESTextureCacheRef> cvOpenGLESTextureCache;

#endif

private:

    void freeTextureCaches();

protected:

    AVFVideoSink *m_sink = nullptr;

    QRhi *m_rhi = nullptr;

    CALayer *m_layer = nullptr;

    NSDictionary *m_outputSettings = nullptr;

};

QT_END_NAMESPACE

#endif // AVFVIDEOWINDOWCONTROL_H