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// Copyright (C) 2022 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 QABSTRACTVIDEOBUFFER_H
#define QABSTRACTVIDEOBUFFER_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 <QtCore/qmetatype.h>
#include <QtGui/qmatrix4x4.h>
#include <QtCore/private/qglobal_p.h>
#include <memory>
QT_BEGIN_NAMESPACE
class QVariant;
class QRhi;
class QRhiTexture;
class Q_MULTIMEDIA_EXPORT QVideoFrameTextures
{
public:
virtual ~QVideoFrameTextures() {}
virtual QRhiTexture *texture(uint plane) const = 0;
};
class Q_MULTIMEDIA_EXPORT QAbstractVideoBuffer
{
public:
QAbstractVideoBuffer(QVideoFrame::HandleType type, QRhi *rhi = nullptr);
virtual ~QAbstractVideoBuffer();
QVideoFrame::HandleType handleType() const;
QRhi *rhi() const;
struct MapData
{
int nPlanes = 0;
int bytesPerLine[4] = {};
uchar *data[4] = {};
int size[4] = {};
};
virtual QVideoFrame::MapMode mapMode() const = 0;
virtual MapData map(QVideoFrame::MapMode mode) = 0;
virtual void unmap() = 0;
virtual std::unique_ptr<QVideoFrameTextures> mapTextures(QRhi *) { return {}; }
virtual quint64 textureHandle(QRhi *, int /*plane*/) const { return 0; }
virtual QMatrix4x4 externalTextureMatrix() const { return {}; }
virtual QByteArray underlyingByteArray(int /*plane*/) const { return {}; }
protected:
QVideoFrame::HandleType m_type;
QRhi *m_rhi = nullptr;
private:
Q_DISABLE_COPY(QAbstractVideoBuffer)
};
#ifndef QT_NO_DEBUG_STREAM
Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug, QVideoFrame::MapMode);
#endif
QT_END_NAMESPACE
#endif
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