e627d02171
At the moment we are always accepting the input events to forward into GStreamer infrastructure. This works but we might have other uses for such events elsewhere in the QtQuick scene so allow opting out to this behaviour. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9085>
134 lines
3.8 KiB
C++
134 lines
3.8 KiB
C++
/*
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* GStreamer
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* Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __QT_ITEM_H__
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#define __QT_ITEM_H__
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#include <gst/gst.h>
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#include <gst/gl/gl.h>
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#include "gstqtgl.h"
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#include <QtCore/QMutex>
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#include <QtQuick/QQuickItem>
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#include <QtGui/QOpenGLContext>
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#include <QtGui/QOpenGLFunctions>
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typedef struct _QtGLVideoItemPrivate QtGLVideoItemPrivate;
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class QtGLVideoItem;
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class QtGLVideoItemInterface : public QObject
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{
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Q_OBJECT
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public:
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QtGLVideoItemInterface (QtGLVideoItem *w) : qt_item (w), lock() {};
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void invalidateRef();
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void setSink (GstElement * sink);
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void setBuffer (GstBuffer * buffer);
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gboolean setCaps (GstCaps *caps);
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gboolean initWinSys ();
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GstGLContext *getQtContext();
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GstGLContext *getContext();
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GstGLDisplay *getDisplay();
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QtGLVideoItem *videoItem () { return qt_item; };
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void setDAR(gint, gint);
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void getDAR(gint *, gint *);
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void setForceAspectRatio(bool);
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bool getForceAspectRatio();
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private:
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QtGLVideoItem *qt_item;
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QMutex lock;
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};
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class QtGLVideoItem : public QQuickItem, protected QOpenGLFunctions
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{
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Q_OBJECT
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Q_PROPERTY(bool itemInitialized
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READ itemInitialized
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NOTIFY itemInitializedChanged)
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Q_PROPERTY(bool forceAspectRatio
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READ getForceAspectRatio
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WRITE setForceAspectRatio
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NOTIFY forceAspectRatioChanged)
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Q_PROPERTY(bool acceptEvents
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READ getAcceptEvents
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WRITE setAcceptEvents
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NOTIFY acceptEventsChanged)
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public:
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QtGLVideoItem();
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~QtGLVideoItem();
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void setDAR(gint, gint);
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void getDAR(gint *, gint *);
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void setForceAspectRatio(bool);
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bool getForceAspectRatio();
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bool itemInitialized();
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bool getAcceptEvents() const { return acceptEvents; }
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void setAcceptEvents(bool accept);
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QSharedPointer<QtGLVideoItemInterface> getInterface() { return proxy; };
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/* private for C interface ... */
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QtGLVideoItemPrivate *priv;
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Q_SIGNALS:
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void itemInitializedChanged();
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void forceAspectRatioChanged(bool);
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void acceptEventsChanged(bool acceptEvents);
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private Q_SLOTS:
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void handleWindowChanged(QQuickWindow * win);
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void onSceneGraphInitialized();
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void onSceneGraphInvalidated();
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protected:
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QSGNode * updatePaintNode (QSGNode * oldNode, UpdatePaintNodeData * updatePaintNodeData) override;
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void wheelEvent(QWheelEvent *) override;
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void hoverEnterEvent(QHoverEvent *) override;
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void hoverLeaveEvent (QHoverEvent *) override;
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void hoverMoveEvent (QHoverEvent *) override;
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void mousePressEvent(QMouseEvent*) override;
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void mouseReleaseEvent(QMouseEvent*) override;
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void touchEvent(QTouchEvent*) override;
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private:
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void setViewportSize(const QSize &size);
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void shareContext();
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void fitStreamToAllocatedSize(GstVideoRectangle * result);
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QPointF mapPointToStreamSize(QPointF);
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void sendMouseEvent(QMouseEvent * event, gboolean is_press);
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quint32 mousePressedButton;
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bool mouseHovering;
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bool acceptEvents = true;
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QSharedPointer<QtGLVideoItemInterface> proxy;
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};
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#endif /* __QT_ITEM_H__ */
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