| 1 | // Copyright (C) 2021 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 QFFMPEGVIDEOBUFFER_P_H |
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| 5 | #define QFFMPEGVIDEOBUFFER_P_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/private/qhwvideobuffer_p.h> |
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| 19 | #include <QtCore/qvariant.h> |
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| 20 | |
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| 21 | #include <QtFFmpegMediaPluginImpl/private/qffmpeg_p.h> |
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| 22 | #include <QtFFmpegMediaPluginImpl/private/qffmpeghwaccel_p.h> |
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| 23 | |
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| 24 | QT_BEGIN_NAMESPACE |
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| 25 | |
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| 26 | class QFFmpegVideoBuffer : public QHwVideoBuffer |
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| 27 | { |
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| 28 | public: |
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| 29 | using AVFrameUPtr = QFFmpeg::AVFrameUPtr; |
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| 30 | |
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| 31 | QFFmpegVideoBuffer(AVFrameUPtr frame, AVRational pixelAspectRatio = { .num: 1, .den: 1 }); |
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| 32 | ~QFFmpegVideoBuffer() override; |
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| 33 | |
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| 34 | MapData map(QVideoFrame::MapMode mode) override; |
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| 35 | void unmap() override; |
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| 36 | |
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| 37 | QVideoFrameTexturesUPtr mapTextures(QRhi &, QVideoFrameTexturesUPtr& oldTextures) override; |
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| 38 | |
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| 39 | QVideoFrameFormat::PixelFormat pixelFormat() const; |
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| 40 | QSize size() const; |
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| 41 | |
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| 42 | static QVideoFrameFormat::PixelFormat toQtPixelFormat(AVPixelFormat avPixelFormat, bool *needsConversion = nullptr); |
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| 43 | static AVPixelFormat toAVPixelFormat(QVideoFrameFormat::PixelFormat pixelFormat); |
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| 44 | |
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| 45 | void convertSWFrame(); |
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| 46 | |
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| 47 | AVFrame *getHWFrame() const { return m_hwFrame.get(); } |
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| 48 | |
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| 49 | void initTextureConverter(QRhi &rhi) override; |
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| 50 | |
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| 51 | QRhi *rhi() const override; |
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| 52 | |
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| 53 | QVideoFrameFormat::ColorSpace colorSpace() const; |
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| 54 | QVideoFrameFormat::ColorTransfer colorTransfer() const; |
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| 55 | QVideoFrameFormat::ColorRange colorRange() const; |
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| 56 | |
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| 57 | float maxNits(); |
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| 58 | |
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| 59 | private: |
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| 60 | // The result texture converter must be accessed from the rhi's thread |
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| 61 | QFFmpeg::TextureConverter &ensureTextureConverter(QRhi &rhi); |
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| 62 | |
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| 63 | QVideoFrameTexturesUPtr createTexturesFromHwFrame(QRhi &, QVideoFrameTexturesUPtr& oldTextures); |
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| 64 | |
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| 65 | private: |
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| 66 | QVideoFrameFormat::PixelFormat m_pixelFormat; |
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| 67 | AVFrame *m_frame = nullptr; |
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| 68 | AVFrameUPtr m_hwFrame; |
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| 69 | AVFrameUPtr m_swFrame; |
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| 70 | QSize m_size; |
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| 71 | QVideoFrame::MapMode m_mode = QVideoFrame::NotMapped; |
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| 72 | }; |
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| 73 | |
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| 74 | QT_END_NAMESPACE |
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| 75 | |
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| 76 | #endif |
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| 77 | |
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