gstreamer/subprojects/gst-plugins-good/ext/qt/qtitem.h
Vivienne Watermeier 6c2f6c3bd4 all: Use new navigation interface and API
Use and implement the new navigation interface in all relevant sink elements,
and use API functions everywhere instead of directy accessing the event structure.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1633>
2022-03-23 13:14:52 +00:00

123 lines
3.5 KiB
C++

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