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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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b7fc75c883
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.
79 lines
2.2 KiB
C
79 lines
2.2 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 __GST_QT_SINK_H__
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#define __GST_QT_SINK_H__
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#include <gst/gst.h>
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#include <gst/video/gstvideosink.h>
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#include <gst/video/video.h>
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#include <gst/gl/gl.h>
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#include "qtitem.h"
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typedef struct _GstQtSink GstQtSink;
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typedef struct _GstQtSinkClass GstQtSinkClass;
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typedef struct _GstQtSinkPrivate GstQtSinkPrivate;
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G_BEGIN_DECLS
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GType gst_qt_sink_get_type (void);
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#define GST_TYPE_QT_SINK (gst_qt_sink_get_type())
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#define GST_QT_SINK(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_QT_SINK,GstQtSink))
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#define GST_QT_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_QT_SINK,GstQtSinkClass))
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#define GST_IS_QT_SINK(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_QT_SINK))
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#define GST_IS_QT_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_QT_SINK))
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#define GST_QT_SINK_CAST(obj) ((GstQtSink*)(obj))
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/**
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* GstQtSink:
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*
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* Opaque #GstQtSink object
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*/
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struct _GstQtSink
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{
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/* <private> */
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GstVideoSink parent;
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GstVideoInfo v_info;
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GstBufferPool *pool;
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GstGLDisplay *display;
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GstGLContext *context;
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GstGLContext *qt_context;
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QSharedPointer<QtGLVideoItemInterface> widget;
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};
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/**
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* GstQtSinkClass:
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*
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* The #GstQtSinkClass struct only contains private data
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*/
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struct _GstQtSinkClass
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{
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/* <private> */
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GstVideoSinkClass object_class;
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};
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GstQtSink * gst_qt_sink_new (void);
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G_END_DECLS
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#endif /* __GST_QT_SINK_H__ */
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