| 1 | // Copyright (C) 2022 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QABSTRACTVIDEOBUFFER_H |
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| 5 | #define QABSTRACTVIDEOBUFFER_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <QtMultimedia/qtmultimediaglobal.h> |
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| 19 | #include <QtMultimedia/qvideoframe.h> |
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| 20 | |
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| 21 | #include <QtCore/qmetatype.h> |
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| 22 | #include <QtGui/qmatrix4x4.h> |
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| 23 | #include <QtCore/private/qglobal_p.h> |
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| 24 | |
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| 25 | #include <memory> |
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| 26 | |
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| 27 | QT_BEGIN_NAMESPACE |
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| 28 | |
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| 29 | |
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| 30 | class QVariant; |
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| 31 | class QRhi; |
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| 32 | class QRhiTexture; |
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| 33 | |
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| 34 | class Q_MULTIMEDIA_EXPORT QVideoFrameTextures |
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| 35 | { |
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| 36 | public: |
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| 37 | virtual ~QVideoFrameTextures() {} |
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| 38 | virtual QRhiTexture *texture(uint plane) const = 0; |
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| 39 | }; |
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| 40 | |
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| 41 | class Q_MULTIMEDIA_EXPORT QAbstractVideoBuffer |
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| 42 | { |
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| 43 | public: |
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| 44 | QAbstractVideoBuffer(QVideoFrame::HandleType type, QRhi *rhi = nullptr); |
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| 45 | virtual ~QAbstractVideoBuffer(); |
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| 46 | |
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| 47 | QVideoFrame::HandleType handleType() const; |
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| 48 | QRhi *rhi() const; |
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| 49 | |
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| 50 | struct MapData |
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| 51 | { |
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| 52 | int nPlanes = 0; |
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| 53 | int bytesPerLine[4] = {}; |
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| 54 | uchar *data[4] = {}; |
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| 55 | int size[4] = {}; |
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| 56 | }; |
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| 57 | |
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| 58 | virtual QVideoFrame::MapMode mapMode() const = 0; |
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| 59 | virtual MapData map(QVideoFrame::MapMode mode) = 0; |
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| 60 | virtual void unmap() = 0; |
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| 61 | |
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| 62 | virtual std::unique_ptr<QVideoFrameTextures> mapTextures(QRhi *) { return {}; } |
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| 63 | virtual quint64 textureHandle(int /*plane*/) const { return 0; } |
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| 64 | |
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| 65 | virtual QMatrix4x4 externalTextureMatrix() const { return {}; } |
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| 66 | protected: |
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| 67 | QVideoFrame::HandleType m_type; |
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| 68 | QRhi *m_rhi = nullptr; |
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| 69 | |
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| 70 | private: |
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| 71 | Q_DISABLE_COPY(QAbstractVideoBuffer) |
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| 72 | }; |
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| 73 | |
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| 74 | #ifndef QT_NO_DEBUG_STREAM |
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| 75 | Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug, QVideoFrame::MapMode); |
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| 76 | #endif |
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| 77 | |
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| 78 | QT_END_NAMESPACE |
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| 79 | |
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| 80 | #endif |
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| 81 | |
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