From 23c1a08bcec6f3439b7da42a05479929620bda8b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian.droege@collabora.co.uk>
Date: Thu, 21 Mar 2013 13:29:06 +0100
Subject: [PATCH] ximagesink: Don't access structures of EMPTY caps

If the intersection between our caps and the filter caps is
empty, just immediately return EMPTY caps instead of trying
to access the (non-existant) structures.
---
 sys/ximage/ximagesink.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sys/ximage/ximagesink.c b/sys/ximage/ximagesink.c
index c036f96623..aaf7223d6e 100644
--- a/sys/ximage/ximagesink.c
+++ b/sys/ximage/ximagesink.c
@@ -1009,6 +1009,11 @@ gst_ximagesink_getcaps (GstBaseSink * bsink, GstCaps * filter)
       caps = intersection;
     }
 
+    if (gst_caps_is_empty (caps)) {
+      g_mutex_unlock (&ximagesink->x_lock);
+      return caps;
+    }
+
     if (ximagesink->xwindow && ximagesink->xwindow->width) {
       GstStructure *s0, *s1;