pad: Let gst_pad_get_allowed_caps() pass the caps own caps as filter

This will reduce the number of caps created downstream and we don't
need to intersect in the very end with the pad's own caps.

diff --git a/gst/gstpad.c b/gst/gstpad.c
index 8452a21..152cb37 100644 (file)
--- a/gst/gstpad.c
+++ b/gst/gstpad.c
@@ -2479,7 +2479,6 @@ gst_pad_get_allowed_caps (GstPad * pad)
 {
   GstCaps *mycaps;
   GstCaps *caps;
-  GstCaps *peercaps;
   GstPad *peer;
 
   g_return_val_if_fail (GST_IS_PAD (pad), NULL);
@@ -2495,11 +2494,9 @@ gst_pad_get_allowed_caps (GstPad * pad)
   GST_OBJECT_UNLOCK (pad);
   mycaps = gst_pad_query_caps (pad, NULL);
 
-  peercaps = gst_pad_query_caps (peer, NULL);
+  caps = gst_pad_query_caps (peer, mycaps);
   gst_object_unref (peer);
 
-  caps = gst_caps_intersect (mycaps, peercaps);
-  gst_caps_unref (peercaps);
   gst_caps_unref (mycaps);
 
   GST_CAT_DEBUG_OBJECT (GST_CAT_CAPS, pad, "allowed caps %" GST_PTR_FORMAT,