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+// 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