[longomatch] Run backend callbacks from the main thread

[Andoni Morales Alastruey <amorales src gnome org>]

commit 2ec24904a1202522d3bd4870445d2bdef4007ddd
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Fri Jan 30 11:28:25 2015 +0100

    Run backend callbacks from the main thread

 LongoMatch.GUI.Multimedia/Gui/CapturerBin.cs |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)
---
diff --git a/LongoMatch.GUI.Multimedia/Gui/CapturerBin.cs b/LongoMatch.GUI.Multimedia/Gui/CapturerBin.cs
index e93d7cd..b8d0e9d 100644
--- a/LongoMatch.GUI.Multimedia/Gui/CapturerBin.cs
+++ b/LongoMatch.GUI.Multimedia/Gui/CapturerBin.cs
@@ -476,10 +476,12 @@ namespace LongoMatch.Gui
 
                void HandleMediaInfo (int width, int height, int parN, int parD)
                {
-                       videowindow.Ratio = (float) width / height * parN / parD;
-                       outputFile.VideoWidth = (uint) width;
-                       outputFile.VideoHeight = (uint) height;
-                       outputFile.Par = (float) parN / parD;
+                       Application.Invoke (delegate {
+                               videowindow.Ratio = (float) width / height * parN / parD;
+                               outputFile.VideoWidth = (uint) width;
+                               outputFile.VideoHeight = (uint) height;
+                               outputFile.Par = (float) parN / parD;
+                       });
                }
        }
 }