+ if (features && (gst_caps_features_is_any (features)
+ || !gst_caps_features_is_equal (features,
+ GST_CAPS_FEATURES_MEMORY_SYSTEM_MEMORY))) {
+ g_string_append_c (str, '(');
+ priv_gst_caps_features_append_to_gstring (features, str);
+ g_string_append_c (str, ')');
+ }
+ g_string_append (str, "\\l");