From 32edf77d352a1ce495e2e266c634c0868ee0ce1f Mon Sep 17 00:00:00 2001
From: Jason Dove <jason@jasondove.me>
Date: Fri, 25 Nov 2022 10:09:58 -0600
Subject: [PATCH] fix bt709 check (#1039)

---
 ErsatzTV.FFmpeg/ColorParams.cs | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/ErsatzTV.FFmpeg/ColorParams.cs b/ErsatzTV.FFmpeg/ColorParams.cs
index 4d0e6de83..bdcda80a2 100644
--- a/ErsatzTV.FFmpeg/ColorParams.cs
+++ b/ErsatzTV.FFmpeg/ColorParams.cs
@@ -10,5 +10,19 @@ public record ColorParams(string ColorRange, string ColorSpace, string ColorTran
                              string.IsNullOrWhiteSpace(ColorTransfer) &&
                              string.IsNullOrWhiteSpace(ColorPrimaries);
 
-    public bool IsBt709 => this == Default;
+    public bool IsBt709
+    {
+        get
+        {
+            if (this == Default)
+            {
+                return true;
+            }
+
+            // some sources don't set transfer and primaries metadata
+            return ColorRange == "tv" && ColorSpace == "bt709"
+                                      && string.IsNullOrWhiteSpace(ColorTransfer)
+                                      && string.IsNullOrWhiteSpace(ColorPrimaries);
+        }
+    }
 }