| 1 | // Copyright (C) 2024 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 QVIDEOFRAME_P_H |
| 5 | #define QVIDEOFRAME_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 "qvideoframe.h" |
| 19 | #include "qhwvideobuffer_p.h" |
| 20 | #include "private/qvideotransformation_p.h" |
| 21 | |
| 22 | #include <qmutex.h> |
| 23 | |
| 24 | QT_BEGIN_NAMESPACE |
| 25 | |
| 26 | class QVideoFramePrivate : public QSharedData |
| 27 | { |
| 28 | public: |
| 29 | QVideoFramePrivate() = default; |
| 30 | |
| 31 | ~QVideoFramePrivate() |
| 32 | { |
| 33 | if (videoBuffer && mapMode != QVideoFrame::NotMapped) |
| 34 | videoBuffer->unmap(); |
| 35 | } |
| 36 | |
| 37 | template <typename Buffer> |
| 38 | static QVideoFrame createFrame(std::unique_ptr<Buffer> buffer, QVideoFrameFormat format) |
| 39 | { |
| 40 | QVideoFrame result; |
| 41 | result.d.reset(ptr: new QVideoFramePrivate(std::move(format), std::move(buffer))); |
| 42 | return result; |
| 43 | } |
| 44 | |
| 45 | template <typename Buffer = QAbstractVideoBuffer> |
| 46 | QVideoFramePrivate(QVideoFrameFormat format, std::unique_ptr<Buffer> buffer = nullptr) |
| 47 | : format{ std::move(format) }, videoBuffer{ std::move(buffer) } |
| 48 | { |
| 49 | if constexpr (std::is_base_of_v<QHwVideoBuffer, Buffer>) |
| 50 | hwVideoBuffer = static_cast<QHwVideoBuffer *>(videoBuffer.get()); |
| 51 | else if constexpr (std::is_same_v<QAbstractVideoBuffer, Buffer>) |
| 52 | hwVideoBuffer = dynamic_cast<QHwVideoBuffer *>(videoBuffer.get()); |
| 53 | // else hwVideoBuffer == nullptr |
| 54 | } |
| 55 | |
| 56 | static QVideoFramePrivate *handle(QVideoFrame &frame) { return frame.d.get(); }; |
| 57 | |
| 58 | static QHwVideoBuffer *hwBuffer(const QVideoFrame &frame) |
| 59 | { |
| 60 | return frame.d ? frame.d->hwVideoBuffer : nullptr; |
| 61 | }; |
| 62 | |
| 63 | static QAbstractVideoBuffer *buffer(const QVideoFrame &frame) |
| 64 | { |
| 65 | return frame.d ? frame.d->videoBuffer.get() : nullptr; |
| 66 | }; |
| 67 | |
| 68 | QVideoFrame adoptThisByVideoFrame() |
| 69 | { |
| 70 | QVideoFrame frame; |
| 71 | frame.d = QExplicitlySharedDataPointer(this, QAdoptSharedDataTag{}); |
| 72 | return frame; |
| 73 | } |
| 74 | |
| 75 | qint64 startTime = -1; |
| 76 | qint64 endTime = -1; |
| 77 | QAbstractVideoBuffer::MapData mapData; |
| 78 | QVideoFrame::MapMode mapMode = QVideoFrame::NotMapped; |
| 79 | QVideoFrameFormat format; |
| 80 | std::unique_ptr<QAbstractVideoBuffer> videoBuffer; |
| 81 | QHwVideoBuffer *hwVideoBuffer = nullptr; |
| 82 | int mappedCount = 0; |
| 83 | QMutex mapMutex; |
| 84 | QString subtitleText; |
| 85 | QImage image; |
| 86 | QMutex imageMutex; |
| 87 | VideoTransformation presentationTransformation; |
| 88 | |
| 89 | private: |
| 90 | Q_DISABLE_COPY(QVideoFramePrivate) |
| 91 | }; |
| 92 | |
| 93 | QT_END_NAMESPACE |
| 94 | |
| 95 | #endif // QVIDEOFRAMEPRIVATE_P_H |
| 96 |