[rygel/rygel-0-20] renderer: If media is not seekable, return 710

[Jens Georg <jensgeorg src gnome org>]

commit e0e1a4568828ba30f1c959d21b649ed9f2b27bab
Author: Jens Georg <jensg openismus com>
Date:   Thu Oct 17 14:21:05 2013 +0200

    renderer: If media is not seekable, return 710
    
    https://bugzilla.gnome.org/show_bug.cgi?id=710377

 src/librygel-renderer/rygel-av-transport.vala |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)
---
diff --git a/src/librygel-renderer/rygel-av-transport.vala b/src/librygel-renderer/rygel-av-transport.vala
index 09a916b..75d8ff0 100644
--- a/src/librygel-renderer/rygel-av-transport.vala
+++ b/src/librygel-renderer/rygel-av-transport.vala
@@ -598,6 +598,12 @@ internal class Rygel.AVTransport : Service {
         case "ABS_TIME":
             debug ("Seeking to %s.", target);
 
+            if (!this.player.can_seek) {
+                action.return_error (710, _("Seek mode not supported"));
+
+                return;
+            }
+
             if (!this.player.seek (TimeUtils.time_from_string (target))) {
                 action.return_error (711, _("Illegal seek target"));
 
@@ -610,6 +616,12 @@ internal class Rygel.AVTransport : Service {
         case "REL_TIME":
             debug ("Relative seek to %s.", target);
 
+            if (!this.player.can_seek) {
+                action.return_error (710, _("Seek mode not supported"));
+
+                return;
+            }
+
             var seek_target = this.player.position +
                               TimeUtils.time_from_string (target);