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Diffstat (limited to 'src/multimediaquick/qquickvideooutput_p.h')
-rw-r--r-- | src/multimediaquick/qquickvideooutput_p.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/multimediaquick/qquickvideooutput_p.h b/src/multimediaquick/qquickvideooutput_p.h new file mode 100644 index 000000000..d71051939 --- /dev/null +++ b/src/multimediaquick/qquickvideooutput_p.h @@ -0,0 +1,128 @@ +// Copyright (C) 2021 The Qt Company Ltd. +// Copyright (C) 2016 Research In Motion +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only + +#ifndef QQUICKVIDEOOUTPUT_P_H +#define QQUICKVIDEOOUTPUT_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <QtCore/qrect.h> +#include <QtCore/qsharedpointer.h> +#include <QtQuick/qquickitem.h> +#include <QtCore/qpointer.h> +#include <QtCore/qmutex.h> + +#include <private/qtmultimediaquickglobal_p.h> +#include <qvideoframe.h> +#include <qvideoframeformat.h> + +QT_BEGIN_NAMESPACE + +class QQuickVideoBackend; +class QVideoOutputOrientationHandler; +class QVideoSink; +class QSGVideoNode; + +class Q_MULTIMEDIAQUICK_EXPORT QQuickVideoOutput : public QQuickItem +{ + Q_OBJECT + Q_DISABLE_COPY(QQuickVideoOutput) + Q_PROPERTY(FillMode fillMode READ fillMode WRITE setFillMode NOTIFY fillModeChanged) + Q_PROPERTY(int orientation READ orientation WRITE setOrientation NOTIFY orientationChanged) + Q_PROPERTY(QRectF sourceRect READ sourceRect NOTIFY sourceRectChanged) + Q_PROPERTY(QRectF contentRect READ contentRect NOTIFY contentRectChanged) + Q_PROPERTY(QVideoSink* videoSink READ videoSink CONSTANT) + Q_MOC_INCLUDE(qvideosink.h) + Q_MOC_INCLUDE(qvideoframe.h) + QML_NAMED_ELEMENT(VideoOutput) + +public: + + enum FillMode + { + Stretch = Qt::IgnoreAspectRatio, + PreserveAspectFit = Qt::KeepAspectRatio, + PreserveAspectCrop = Qt::KeepAspectRatioByExpanding + }; + Q_ENUM(FillMode) + + QQuickVideoOutput(QQuickItem *parent = 0); + ~QQuickVideoOutput(); + + Q_INVOKABLE QVideoSink *videoSink() const; + + FillMode fillMode() const; + void setFillMode(FillMode mode); + + int orientation() const; + void setOrientation(int); + + QRectF sourceRect() const; + QRectF contentRect() const; + +Q_SIGNALS: + void sourceChanged(); + void fillModeChanged(QQuickVideoOutput::FillMode); + void orientationChanged(); + void sourceRectChanged(); + void contentRectChanged(); + +protected: + QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *) override; + void itemChange(ItemChange change, const ItemChangeData &changeData) override; + void geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) override; + void releaseResources() override; + +private: + QSize nativeSize() const; + void updateGeometry(); + QRectF adjustedViewport() const; + + void setFrame(const QVideoFrame &frame); + + void invalidateSceneGraph(); + + void initRhiForSink(); + void updateHdr(QSGVideoNode *videoNode); + +private Q_SLOTS: + void _q_newFrame(QSize); + void _q_updateGeometry(); + void _q_invalidateSceneGraph(); + void _q_sceneGraphInitialized(); + +private: + QSize m_nativeSize; + + bool m_geometryDirty = true; + QRectF m_lastRect; // Cache of last rect to avoid recalculating geometry + QRectF m_contentRect; // Destination pixel coordinates, unclipped + int m_orientation = 0; + int m_frameOrientation = 0; + Qt::AspectRatioMode m_aspectRatioMode = Qt::KeepAspectRatio; + + QPointer<QQuickWindow> m_window; + QVideoSink *m_sink = nullptr; + QVideoFrameFormat m_videoFormat; + + QList<QVideoFrame> m_videoFrameQueue; + QVideoFrame m_frame; + bool m_frameChanged = false; + QMutex m_frameMutex; + QRectF m_renderedRect; // Destination pixel coordinates, clipped + QRectF m_sourceTextureRect; // Source texture coordinates +}; + +QT_END_NAMESPACE + +#endif // QQUICKVIDEOOUTPUT_P_H |