baseparse: Return template caps instead of other side's peer caps if get_sink_caps...

Using gst_pad_proxy_get_caps() breaks backwards compatibility with old
parsers because it will propagate the other side's fields like "parsed"
and "framed" and also breaks parser/converters.

Fixes bug #664221.

diff --git a/libs/gst/base/gstbaseparse.c b/libs/gst/base/gstbaseparse.c
index 1ccdc2c..308bb8a 100644 (file)
--- a/libs/gst/base/gstbaseparse.c
+++ b/libs/gst/base/gstbaseparse.c
@@ -3994,13 +3994,12 @@ gst_base_parse_sink_getcaps (GstPad * pad)
   if (klass->get_sink_caps)
     caps = klass->get_sink_caps (parse);
   else
-    caps = gst_pad_proxy_getcaps (pad);
+    caps = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
   gst_object_unref (parse);
 
   GST_LOG_OBJECT (parse, "sink getcaps returning caps %" GST_PTR_FORMAT, caps);
 
   return caps;
-
 }
 
 static void