| 1 | // Copyright (C) 2021 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef QFFMPEGVIDEOBUFFER_P_H |
| 5 | #define QFFMPEGVIDEOBUFFER_P_H |
| 6 | |
| 7 | // |
| 8 | // W A R N I N G |
| 9 | // ------------- |
| 10 | // |
| 11 | // This file is not part of the Qt API. It exists purely as an |
| 12 | // implementation detail. This header file may change from version to |
| 13 | // version without notice, or even be removed. |
| 14 | // |
| 15 | // We mean it. |
| 16 | // |
| 17 | |
| 18 | #include <QtMultimedia/private/qhwvideobuffer_p.h> |
| 19 | #include <QtCore/qvariant.h> |
| 20 | |
| 21 | #include <QtFFmpegMediaPluginImpl/private/qffmpeg_p.h> |
| 22 | #include <QtFFmpegMediaPluginImpl/private/qffmpeghwaccel_p.h> |
| 23 | |
| 24 | QT_BEGIN_NAMESPACE |
| 25 | |
| 26 | class QFFmpegVideoBuffer : public QHwVideoBuffer |
| 27 | { |
| 28 | public: |
| 29 | using AVFrameUPtr = QFFmpeg::AVFrameUPtr; |
| 30 | |
| 31 | QFFmpegVideoBuffer(AVFrameUPtr frame, AVRational pixelAspectRatio = { .num: 1, .den: 1 }); |
| 32 | ~QFFmpegVideoBuffer() override; |
| 33 | |
| 34 | MapData map(QVideoFrame::MapMode mode) override; |
| 35 | void unmap() override; |
| 36 | |
| 37 | QVideoFrameTexturesUPtr mapTextures(QRhi &, QVideoFrameTexturesUPtr& oldTextures) override; |
| 38 | |
| 39 | QVideoFrameFormat::PixelFormat pixelFormat() const; |
| 40 | QSize size() const; |
| 41 | |
| 42 | static QVideoFrameFormat::PixelFormat toQtPixelFormat(AVPixelFormat avPixelFormat, bool *needsConversion = nullptr); |
| 43 | static AVPixelFormat toAVPixelFormat(QVideoFrameFormat::PixelFormat pixelFormat); |
| 44 | |
| 45 | void convertSWFrame(); |
| 46 | |
| 47 | AVFrame *getHWFrame() const { return m_hwFrame.get(); } |
| 48 | |
| 49 | void initTextureConverter(QRhi &rhi) override; |
| 50 | |
| 51 | QRhi *rhi() const override; |
| 52 | |
| 53 | QVideoFrameFormat::ColorSpace colorSpace() const; |
| 54 | QVideoFrameFormat::ColorTransfer colorTransfer() const; |
| 55 | QVideoFrameFormat::ColorRange colorRange() const; |
| 56 | |
| 57 | float maxNits(); |
| 58 | |
| 59 | private: |
| 60 | // The result texture converter must be accessed from the rhi's thread |
| 61 | QFFmpeg::TextureConverter &ensureTextureConverter(QRhi &rhi); |
| 62 | |
| 63 | QVideoFrameTexturesUPtr createTexturesFromHwFrame(QRhi &, QVideoFrameTexturesUPtr& oldTextures); |
| 64 | |
| 65 | private: |
| 66 | QVideoFrameFormat::PixelFormat m_pixelFormat; |
| 67 | AVFrame *m_frame = nullptr; |
| 68 | AVFrameUPtr m_hwFrame; |
| 69 | AVFrameUPtr m_swFrame; |
| 70 | QSize m_size; |
| 71 | QVideoFrame::MapMode m_mode = QVideoFrame::NotMapped; |
| 72 | }; |
| 73 | |
| 74 | QT_END_NAMESPACE |
| 75 | |
| 76 | #endif |
| 77 |