gstreamer/ext/qt/gstqtsink.h
Jan Schmidt b7fc75c883 qt: Use a proxy object for access to the QML widget
QML can destroy the video widget at any time, leaving
us with a dangling pointer. Use a lock and a proxy
object to cope with that, and block in the widget
destructor if there are ongoing calls into the widget.
2017-07-12 15:51:11 +10:00

79 lines
2.2 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 __GST_QT_SINK_H__
#define __GST_QT_SINK_H__
#include <gst/gst.h>
#include <gst/video/gstvideosink.h>
#include <gst/video/video.h>
#include <gst/gl/gl.h>
#include "qtitem.h"
typedef struct _GstQtSink GstQtSink;
typedef struct _GstQtSinkClass GstQtSinkClass;
typedef struct _GstQtSinkPrivate GstQtSinkPrivate;
G_BEGIN_DECLS
GType gst_qt_sink_get_type (void);
#define GST_TYPE_QT_SINK (gst_qt_sink_get_type())
#define GST_QT_SINK(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_QT_SINK,GstQtSink))
#define GST_QT_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_QT_SINK,GstQtSinkClass))
#define GST_IS_QT_SINK(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_QT_SINK))
#define GST_IS_QT_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_QT_SINK))
#define GST_QT_SINK_CAST(obj) ((GstQtSink*)(obj))
/**
* GstQtSink:
*
* Opaque #GstQtSink object
*/
struct _GstQtSink
{
/* <private> */
GstVideoSink parent;
GstVideoInfo v_info;
GstBufferPool *pool;
GstGLDisplay *display;
GstGLContext *context;
GstGLContext *qt_context;
QSharedPointer<QtGLVideoItemInterface> widget;
};
/**
* GstQtSinkClass:
*
* The #GstQtSinkClass struct only contains private data
*/
struct _GstQtSinkClass
{
/* <private> */
GstVideoSinkClass object_class;
};
GstQtSink * gst_qt_sink_new (void);
G_END_DECLS
#endif /* __GST_QT_SINK_H__ */