[gstreamermm] Gst::Element: minor

[Marcin Kolny <mkolny src gnome org>]

commit 1adcd742b0b347386ebaf38169530824ca873ae3
Author: Marcin Kolny <marcin kolny flytronic pl>
Date:   Tue Oct 14 17:50:44 2014 +0200

    Gst::Element: minor
    
        * gstreamer/src/gst_vfuncs.defs: added set_context virtual function
          definition.
        * tools/m4/convert_gst.m4: added conversion definition between
          GstContext* and Gst::Context refptr.

 gstreamer/src/gst_vfuncs.defs |    8 ++++++++
 tools/m4/convert_gst.m4       |    1 +
 2 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/gstreamer/src/gst_vfuncs.defs b/gstreamer/src/gst_vfuncs.defs
index 359e61f..d6ba88d 100644
--- a/gstreamer/src/gst_vfuncs.defs
+++ b/gstreamer/src/gst_vfuncs.defs
@@ -749,6 +749,14 @@
   )
 )
 
+(define-vfunc set_context
+  (of-object "GstElement")
+  (return-type "void")
+  (parameters
+   '("GstContext*" "context")
+  )
+)
+
 ; GstImplementsInterface
 
 (define-vfunc supported
diff --git a/tools/m4/convert_gst.m4 b/tools/m4/convert_gst.m4
index 14c9cca..c958dfd 100644
--- a/tools/m4/convert_gst.m4
+++ b/tools/m4/convert_gst.m4
@@ -110,6 +110,7 @@ _CONVERSION(`const Glib::RefPtr<const ColorBalanceChannel>&',`GstColorBalanceCha
 
 dnl Context
 _CONVERSION(`GstContext*',`Glib::RefPtr<Gst::Context>',`Glib::wrap($3)')
+_CONVERSION(`GstContext*',`const Glib::RefPtr<Gst::Context>&',`Glib::wrap($3)')
 _CONVERSION(`const Glib::RefPtr<Gst::Context>&',`GstContext*',`$3->gobj()')
 
 dnl DiscovererInfo