[longomatch] Ensure using a file with a valid video stream for new projects

[Andoni Morales Alastruey <amorales src gnome org>]

commit f4dcedf5d82b40f0beb7d46fddaf2f5b12ba1e4d
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Mon Apr 5 15:55:15 2010 +0200

    Ensure using a file with a valid video stream for new projects

 LongoMatch/Gui/Component/ProjectDetailsWidget.cs |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/LongoMatch/Gui/Component/ProjectDetailsWidget.cs b/LongoMatch/Gui/Component/ProjectDetailsWidget.cs
index 338e1fe..fe115db 100644
--- a/LongoMatch/Gui/Component/ProjectDetailsWidget.cs
+++ b/LongoMatch/Gui/Component/ProjectDetailsWidget.cs
@@ -376,6 +376,8 @@ namespace LongoMatch.Gui.Component
 						md.Icon=Stetic.IconLoader.LoadIcon(this, "longomatch", Gtk.IconSize.Dialog, 48);
 						md.Show();
 						mFile = LongoMatch.Video.Utils.PreviewMediaFile.GetMediaFile(filename);
+						if (!mFile.HasVideo || mFile.Length == 0 || mFile.VideoCodec == "")
+							throw new Exception(Catalog.GetString("This file doesn't contain a video stream."));
 						fileEntry.Text = filename;
 					}
 					catch (Exception ex) {