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 <private/qhwvideobuffer_p.h> |
19 | #include <QtCore/qvariant.h> |
20 | |
21 | #include "qffmpeg_p.h" |
22 | #include "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 | virtual std::unique_ptr<QVideoFrameTextures> mapTextures(QRhi *) override; |
38 | virtual quint64 textureHandle(QRhi *rhi, int plane) const override; |
39 | |
40 | QVideoFrameFormat::PixelFormat pixelFormat() const; |
41 | QSize size() const; |
42 | |
43 | static QVideoFrameFormat::PixelFormat toQtPixelFormat(AVPixelFormat avPixelFormat, bool *needsConversion = nullptr); |
44 | static AVPixelFormat toAVPixelFormat(QVideoFrameFormat::PixelFormat pixelFormat); |
45 | |
46 | void convertSWFrame(); |
47 | |
48 | AVFrame *getHWFrame() const { return m_hwFrame.get(); } |
49 | |
50 | void setTextureConverter(const QFFmpeg::TextureConverter &converter); |
51 | |
52 | QVideoFrameFormat::ColorSpace colorSpace() const; |
53 | QVideoFrameFormat::ColorTransfer colorTransfer() const; |
54 | QVideoFrameFormat::ColorRange colorRange() const; |
55 | |
56 | float maxNits(); |
57 | |
58 | private: |
59 | QVideoFrameFormat::PixelFormat m_pixelFormat; |
60 | AVFrame *m_frame = nullptr; |
61 | AVFrameUPtr m_hwFrame; |
62 | AVFrameUPtr m_swFrame; |
63 | QSize m_size; |
64 | QFFmpeg::TextureConverter m_textureConverter; |
65 | QVideoFrame::MapMode m_mode = QVideoFrame::NotMapped; |
66 | std::unique_ptr<QFFmpeg::TextureSet> m_textures; |
67 | }; |
68 | |
69 | QT_END_NAMESPACE |
70 | |
71 | #endif |
72 |