qdmabufvideobuffer_p.h

Enable keyboard shortcuts

// Copyright (C) 2026 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 QDMABUFVIDEOBUFFER_P_H

#define QDMABUFVIDEOBUFFER_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/qvideoframeformat.h>

#include <QtMultimedia/private/qhwvideobuffer_p.h>

#include <QtMultimedia/private/qmultimedia_drm_support_p.h>

#include <QtMultimedia/private/qtmultimediaglobal_p.h>

#include <QtCore/qsize.h>

#include <QtCore/qspan.h>

#include <QtCore/qvarlengtharray.h>

#include <memory>

static_assert(QT_CONFIG(linux_dmabuf));

QT_BEGIN_NAMESPACE

class QRhi;

namespace QtMultimediaPrivate {

class Q_MULTIMEDIA_EXPORT QDmaBufVideoBuffer : public QHwVideoBuffer

public:

    QDmaBufVideoBuffer(QVideoFrameFormat::PixelFormat format, QSize size,

                       QSpan<const DmaBufPlane> planes, std::shared_ptr<void> keepAlive = {},

                       DmaBufImportMode importMode = DmaBufImportMode::PerPlane);

    ~QDmaBufVideoBuffer() override;

    bool isDmaBuf() const override { return true; }

    QVideoFrameTexturesUPtr mapTextures(QRhi &rhi) override;

    MapData map(QVideoFrame::MapMode mode) override;

    void unmap() override;

    QVideoFrameFormat::PixelFormat pixelFormat() const { return m_format; }

    QSize size() const { return m_size; }

    DmaBufImportMode importMode() const { return m_importMode; }

private:

    const QVideoFrameFormat::PixelFormat m_format;

    const QSize m_size;

    QVarLengthArray<DmaBufPlane, 4> m_planes; // later: std::inplace_vector

    const std::shared_ptr<void> m_keepAlive;

    const DmaBufImportMode m_importMode;

    QVideoFrame::MapMode m_mapMode = QVideoFrame::NotMapped;

    QVarLengthArray<std::pair<void *, size_t>, 4> m_mappedRegions;

};

} // namespace QtMultimediaPrivate

QT_END_NAMESPACE

#endif // QDMABUFVIDEOBUFFER_P_H