From e3649c81f27550741739be40efdb3902e0afaa2a Mon Sep 17 00:00:00 2001
From: Darby Johnston <darbyjohnston@yahoo.com>
Date: Wed, 21 Feb 2024 10:53:06 -0800
Subject: [PATCH] Background drawing fix

---
 lib/tlTimelineGL/RenderVideo.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/tlTimelineGL/RenderVideo.cpp b/lib/tlTimelineGL/RenderVideo.cpp
index 6da444dd..7b2221fd 100644
--- a/lib/tlTimelineGL/RenderVideo.cpp
+++ b/lib/tlTimelineGL/RenderVideo.cpp
@@ -22,7 +22,12 @@ namespace tl
             const timeline::CompareOptions& compareOptions,
             const timeline::BackgroundOptions& backgroundOptions)
         {
-            _drawBackground(boxes, backgroundOptions);
+            //! \todo Render the background only if there is valid video data and a
+            //! valid layer?
+            if (!videoData.empty() && !videoData.front().layers.empty())
+            {
+                _drawBackground(boxes, backgroundOptions);
+            }
             switch (compareOptions.mode)
             {
             case timeline::CompareMode::A: