gstreamer/ext/qt/qtitem.h
Sergey Borovkov 0d80be0ce0 qmlglsink: Schedule onSceneGrpahInitialized to execute on render thread
onSceneGraphInitialized() is called from non render thread currently when
scene graph is already initialized.

https://bugzilla.gnome.org/show_bug.cgi?id=761003
2016-02-22 20:26:41 +11:00

78 lines
2.3 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 <QtQuick/QQuickItem>
#include <QtGui/QOpenGLContext>
#include <QtGui/QOpenGLFunctions>
typedef struct _QtGLVideoItemPrivate QtGLVideoItemPrivate;
class InitializeSceneGraph;
class QtGLVideoItem : public QQuickItem, protected QOpenGLFunctions
{
Q_OBJECT
public:
QtGLVideoItem();
~QtGLVideoItem();
void setDAR(gint, gint);
void getDAR(gint *, gint *);
void setForceAspectRatio(bool);
bool getForceAspectRatio();
/* private for C interface ... */
QtGLVideoItemPrivate *priv;
private Q_SLOTS:
void handleWindowChanged(QQuickWindow * win);
void onSceneGraphInitialized();
void onSceneGraphInvalidated();
protected:
QSGNode * updatePaintNode (QSGNode * oldNode, UpdatePaintNodeData * updatePaintNodeData);
private:
friend class InitializeSceneGraph;
void setViewportSize(const QSize &size);
void shareContext();
QSize m_viewportSize;
bool m_openGlContextInitialized;
};
extern "C"
{
void qt_item_set_buffer (QtGLVideoItem * widget, GstBuffer * buffer);
gboolean qt_item_set_caps (QtGLVideoItem * widget, GstCaps * caps);
gboolean qt_item_init_winsys (QtGLVideoItem * widget);
GstGLContext * qt_item_get_qt_context (QtGLVideoItem * qt_item);
GstGLContext * qt_item_get_context (QtGLVideoItem * qt_item);
GstGLDisplay * qt_item_get_display (QtGLVideoItem * qt_item);
}
#endif /* __QT_ITEM_H__ */