gtkglsink: Release the widget lock when trying to get the GL context

Otherwise we might be waiting for the lock on the main loop (for
example in the ->render vmethod) and thus we will deadlock.

diff --git a/ext/gtk/gtkgstglwidget.c b/ext/gtk/gtkgstglwidget.c
index e7e12210cdd9759f830e10281fa66865d931e65c..81950342d5fb76131df16b097369467615a626c9 100644 (file)
--- a/ext/gtk/gtkgstglwidget.c
+++ b/ext/gtk/gtkgstglwidget.c
@@ -683,7 +683,9 @@ gtk_gst_gl_widget_init_winsys (GtkGstGLWidget * widget)
   }
 
   if (!widget->priv->other_context) {
+    g_mutex_unlock (&widget->priv->lock);
     _invoke_on_main ((ThreadFunc) _get_gl_context, widget);
+    g_mutex_lock (&widget->priv->lock);
   }
 
   if (!GST_GL_IS_CONTEXT (widget->priv->other_context)) {