decomb: add an additional null check to avoid a crash if the filter receive the EOF flag before reciving a valid frame.

1 files changed, 6 insertions, 3 deletions

diff --git a/libhb/decomb.c b/libhb/decomb.c
index 22f53de9c..d3a62cee3 100644
--- a/libhb/decomb.c
+++ b/libhb/decomb.c
@@ -1281,9 +1281,12 @@ static int hb_decomb_work( hb_filter_object_t * filter,
     *buf_in = NULL;
     if (in->s.flags & HB_BUF_FLAG_EOF)
     {
-        // Duplicate last frame and process refs
-        store_ref(pv, hb_buffer_dup(pv->ref[2]));
-        process_frame(pv);
+        if (pv->ref[2] != NULL)
+        {
+            // Duplicate last frame and process refs
+            store_ref(pv, hb_buffer_dup(pv->ref[2]));
+            process_frame(pv);
+        }
         hb_buffer_list_append(&pv->out_list, in);
         *buf_out = hb_buffer_list_clear(&pv->out_list);
         return HB_FILTER_DONE;