gstreamer/ext/gtk/gstgtkglsink.h
Nicolas Dufresne 0bc7e9a240 gtk: Fix race between queue_draw and destroy
In GTK dispose can be called before the last ref is reached. This
happens when you close the container window. The dispose will be
explicitly called, and destroyed notify will be fired. This patch
fixes this race by properly tracking the widget state.

In the sink, we now set the widget pointer to NULL, so the widget
will properly get created again if you set your pipeline to NULL
state after the widget was destroy, and set it back to PLAYING.

https://bugzilla.gnome.org/show_bug.cgi?id=751104
2015-07-16 17:05:36 -04:00

94 lines
2.7 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_GTK_GL_SINK_H__
#define __GST_GTK_GL_SINK_H__
#include <gtk/gtk.h>
#include <gst/gst.h>
#include <gst/video/gstvideosink.h>
#include <gst/video/video.h>
#include <gst/gl/gl.h>
typedef struct _GstGtkGLSink GstGtkGLSink;
typedef struct _GstGtkGLSinkClass GstGtkGLSinkClass;
#include <gtkgstglwidget.h>
G_BEGIN_DECLS
GType gst_gtk_gl_sink_get_type (void);
#define GST_TYPE_GTK_GL_SINK (gst_gtk_gl_sink_get_type())
#define GST_GTK_GL_SINK(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GTK_GL_SINK,GstGtkGLSink))
#define GST_GTK_GL_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GTK_GL_SINK,GstGtkGLSinkClass))
#define GST_IS_GTK_GL_SINK(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GTK_GL_SINK))
#define GST_IS_GTK_GL_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GTK_GL_SINK))
#define GST_GTK_GL_SINK_CAST(obj) ((GstGtkGLSink*)(obj))
/**
* GstGtkGLSink:
*
* Opaque #GstGtkGLSink object
*/
struct _GstGtkGLSink
{
/* <private> */
GstVideoSink parent;
GtkGstGLWidget *widget;
GstVideoInfo v_info;
GstBufferPool *pool;
GstGLDisplay *display;
GstGLContext *context;
GstGLContext *gtk_context;
GstGLUpload *upload;
GstBuffer *uploaded_buffer;
/* properties */
gboolean force_aspect_ratio;
GBinding *bind_force_aspect_ratio;
gint par_n;
gint par_d;
GBinding *bind_pixel_aspect_ratio;
gboolean ignore_alpha;
GBinding *bind_ignore_alpha;
};
/**
* GstGtkGLSinkClass:
*
* The #GstGtkGLSinkClass struct only contains private data
*/
struct _GstGtkGLSinkClass
{
/* <private> */
GstVideoSinkClass object_class;
};
GstGtkGLSink * gst_gtk_gl_sink_new (void);
G_END_DECLS
#endif /* __GST_GTK_GL_SINK_H__ */