From c4610bc9570d32c7f28b46e3d7aa3f1fb71aff1e Mon Sep 17 00:00:00 2001
From: Benedikt Nerb <nerb.benedikt@gmail.com>
Date: Tue, 28 Jun 2022 10:26:15 +0200
Subject: [PATCH] Adjust HDR check

---
 VideoLegacyNodes/VideoInfoHelper.cs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/VideoLegacyNodes/VideoInfoHelper.cs b/VideoLegacyNodes/VideoInfoHelper.cs
index 3a186b3e..e499f08c 100644
--- a/VideoLegacyNodes/VideoInfoHelper.cs
+++ b/VideoLegacyNodes/VideoInfoHelper.cs
@@ -249,7 +249,9 @@ namespace FileFlows.VideoNodes
                 logger?.ILog("Failed to read duration for VideoStream: " + info);
             }
 
-            vs.HDR = info.Contains("bt2020nc") && info.Contains("smpte2084");
+            // As per https://video.stackexchange.com/a/33827
+            // "HDR is only the new transfer function" (PQ or HLG)
+            vs.HDR = info.Contains("arib-std-b67") || info.Contains("smpte2084");
 
             return vs;
         }