From b420722bfe57d68ece44a383f36a0d1f0db8554c Mon Sep 17 00:00:00 2001
From: nick black <dankamongmen@gmail.com>
Date: Wed, 6 May 2020 03:06:06 -0400
Subject: [PATCH] ncvisual_destroy() for null multimedia #568

---
 src/lib/visual.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/lib/visual.cpp b/src/lib/visual.cpp
index 532d2ba1f..cbcc21587 100644
--- a/src/lib/visual.cpp
+++ b/src/lib/visual.cpp
@@ -780,8 +780,13 @@ int ncvisual_init(int loglevel){
 }
 
 void ncvisual_destroy(ncvisual* ncv){
-  assert(!ncv);
-  (void)ncv;
+  if(ncv){
+    if(ncv->ncobj){
+      ncplane_destroy(ncv->ncp);
+    }
+    free(ncv->data);
+    delete ncv;
+  }
 }
 #else
 #ifdef USE_OIIO