From: John Stebbins <jstebbins.hb@gmail.com>
Date: Mon, 11 Jun 2018 22:36:52 +0000 (-0700)
Subject: comb_detect: fix crash when no valid frames are passed
X-Git-Tag: 1.2.0~324
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=5832b176ce662dc5f1f891c9039f8fa419e1cb2c;p=handbrake

comb_detect: fix crash when no valid frames are passed
---

diff --git a/libhb/comb_detect.c b/libhb/comb_detect.c
index 16eef9f21..014c0c062 100644
--- a/libhb/comb_detect.c
+++ b/libhb/comb_detect.c
@@ -1527,7 +1527,10 @@ static int comb_detect_work( hb_filter_object_t * filter,
     {
         // Duplicate last frame and process refs
         store_ref(pv, hb_buffer_dup(pv->ref[2]));
-        process_frame(pv);
+        if (pv->ref[0] != NULL)
+        {
+            process_frame(pv);
+        }
         hb_buffer_list_append(&pv->out_list, in);
         *buf_out = hb_buffer_list_clear(&pv->out_list);
         return HB_FILTER_DONE;