[clutter-gst] video-sink: use filter when responding to get_caps()

[Lionel Landwerlin <llandwerlin src gnome org>]

commit 523cf8610cbea0574d92022f11f78a81a66d4774
Author: Lionel Landwerlin <llandwerlin gmail com>
Date:   Sat Jun 21 21:57:39 2014 +0100

    video-sink: use filter when responding to get_caps()

 clutter-gst/clutter-gst-video-sink.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/clutter-gst/clutter-gst-video-sink.c b/clutter-gst/clutter-gst-video-sink.c
index 7958b28..5b2e358 100644
--- a/clutter-gst/clutter-gst-video-sink.c
+++ b/clutter-gst/clutter-gst-video-sink.c
@@ -1771,8 +1771,11 @@ clutter_gst_video_sink_get_caps (GstBaseSink *bsink,
 
   if (sink->priv->caps == NULL)
     return NULL;
-  else
-    return gst_caps_ref (sink->priv->caps);
+
+  if (filter != NULL)
+    return gst_caps_intersect_full (filter, sink->priv->caps,
+                                    GST_CAPS_INTERSECT_FIRST);
+  return gst_caps_ref (sink->priv->caps);
 }
 
 static gboolean