commit 07af74b94614a7e4b6c316419d0036a806be983f
author Thibault Saunier <tsaunier@igalia.com> Wed Jul 18 21:13:57 2018 -0400
committer Sebastian Dröge <sebastian@centricular.com> Thu Jul 19 09:11:22 2018 +0300
tree 9a5091bbbb09803b7fd25ee7ab6b641d329375d4
parent 787a9f546b843d85bdc72efda58947366a3fb4c1

basetransform: Do not check if NULL is an emtpy caps

gst_base_transform_transform_caps can return NULL in various conditions
thus we should not treat its result as valid caps.

In all other places NULL is properly handled.

libs/gst/base/gstbasetransform.c

diff --git a/libs/gst/base/gstbasetransform.c b/libs/gst/base/gstbasetransform.c
index 259cf95..c588905 100644
--- a/libs/gst/base/gstbasetransform.c
+++ b/libs/gst/base/gstbasetransform.c
@@ -643,7 +643,7 @@
     GST_DEBUG_OBJECT (pad, "transformed  %" GST_PTR_FORMAT, peerfilter);
     gst_caps_unref (temp);
 
-    if (!gst_caps_is_empty (peerfilter)) {
+    if (peerfilter && !gst_caps_is_empty (peerfilter)) {
       /* and filter against the template of the other pad */
       GST_DEBUG_OBJECT (pad, "our template  %" GST_PTR_FORMAT, otempl);
       /* We keep the caps sorted like the returned caps */