deinterlace: support filter in getcaps

diff --git a/gst/deinterlace/gstdeinterlace.c b/gst/deinterlace/gstdeinterlace.c
index 5f2fe2c..d4597ad 100644 (file)
--- a/gst/deinterlace/gstdeinterlace.c
+++ b/gst/deinterlace/gstdeinterlace.c
@@ -2115,7 +2115,6 @@ gst_fraction_double (gint * n_out, gint * d_out, gboolean half)
   return TRUE;
 }
 
-/* FIXME: use filter in getcaps */
 static GstCaps *
 gst_deinterlace_getcaps (GstDeinterlace * self, GstPad * pad, GstCaps * filter)
 {
@@ -2246,6 +2245,16 @@ gst_deinterlace_getcaps (GstDeinterlace * self, GstPad * pad, GstCaps * filter)
     }
   }
 
+  if (filter) {
+    GstCaps *filter_caps;
+
+    GST_LOG_OBJECT (pad, "intersecting with %" GST_PTR_FORMAT, filter);
+    filter_caps = gst_caps_intersect_full (filter, ret,
+        GST_CAPS_INTERSECT_FIRST);
+    gst_caps_unref (ret);
+    ret = filter_caps;
+  }
+
   GST_DEBUG_OBJECT (pad, "Returning caps %" GST_PTR_FORMAT, ret);
 
   return ret;