qsgvideonode_p.h - mozsearch

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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 QSGVIDEONODE_P_H

#define QSGVIDEONODE_P_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/qvideoframe.h>

#include <QtMultimedia/qvideoframeformat.h>

#include <QtMultimedia/private/qmultimediautils_p.h>

#include <QtMultimedia/private/qvideotexturehelper_p.h>

#include <QtMultimediaQuick/private/qtmultimediaquickglobal_p.h>

#include <QtQuick/qsgnode.h>

#include <QtGui/qopenglfunctions.h>

QT_BEGIN_NAMESPACE

class QSGVideoMaterial;

class QQuickVideoOutput;

class QSGInternalTextNode;

class QVideoFrameTexturePool;

using QVideoFrameTexturePoolPtr = std::shared_ptr<QVideoFrameTexturePool>;

class QSGVideoNode final : public QSGGeometryNode

public:

    QSGVideoNode(QQuickVideoOutput *parent, const QVideoFrameFormat &videoFormat,

                 QRhi *rhi);

    ~QSGVideoNode() override;

    QVideoFrameFormat::PixelFormat pixelFormat() const { return m_videoFormat.pixelFormat(); }

    void setCurrentFrame(const QVideoFrame &frame);

    void setSurfaceFormat(const QRhiSwapChain::Format surfaceFormat);

    void setHdrInfo(const QRhiSwapChainHdrInfo &hdrInfo);

    void setTexturedRectGeometry(const QRectF &boundingRect, const QRectF &textureRect,

                                 VideoTransformation videoOutputTransformation);

    const QVideoFrameTexturePoolPtr &texturePool() const;

private:

    void updateSubtitle(const QVideoFrame &frame);

    void setSubtitleGeometry();

    QQuickVideoOutput *const m_parent;

    QRectF m_rect;

    QRectF m_textureRect;

    VideoTransformation m_videoOutputTransformation;

    VideoTransformation m_frameTransformation;

    QVideoFrameFormat m_videoFormat;

    QSGVideoMaterial *const m_material;

    QVideoTextureHelper::SubtitleLayout m_subtitleLayout;

    QSGInternalTextNode *m_subtitleTextNode = nullptr;

};

QT_END_NAMESPACE

#endif // QSGVIDEONODE_H