From 4f9867c6536cb77f03c4e1275a3ea7522f02114b Mon Sep 17 00:00:00 2001
From: Jason Dove <1695733+jasongdove@users.noreply.github.com>
Date: Wed, 10 Dec 2025 19:38:08 -0600
Subject: [PATCH] update pixel format

---
 ErsatzTV.FFmpeg/Pipeline/PipelineBuilderBase.cs | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/ErsatzTV.FFmpeg/Pipeline/PipelineBuilderBase.cs b/ErsatzTV.FFmpeg/Pipeline/PipelineBuilderBase.cs
index 5dd64c43d..f4d7e6bd2 100644
--- a/ErsatzTV.FFmpeg/Pipeline/PipelineBuilderBase.cs
+++ b/ErsatzTV.FFmpeg/Pipeline/PipelineBuilderBase.cs
@@ -589,15 +589,18 @@ public abstract class PipelineBuilderBase : IPipelineBuilder
             ? None
             : SetDecoder(videoInputFile, videoStream, ffmpegState, context);
 
+        Option<IPixelFormat> videoStreamPixelFormat = videoStream.PixelFormat;
+
+        // bt.2020 needs to immediately change to bt709 and a new format
         if (videoStream.ColorParams.IsBt2020Ten)
         {
-            videoInputFile.FilterSteps.Add(
-                new ColorspaceFilter(
-                    desiredState,
-                    videoStream,
-                    desiredState.PixelFormat.IfNone(new PixelFormatYuv420P())));
+            IPixelFormat targetFormat = desiredState.PixelFormat.IfNone(new PixelFormatYuv420P());
+
+            videoInputFile.FilterSteps.Add(new ColorspaceFilter(desiredState, videoStream, targetFormat));
 
+            // update pipeline to have accurate color params and pixel format
             videoStream.ResetColorParams(ColorParams.Default);
+            videoStreamPixelFormat = Some(targetFormat);
         }
 
         //SetStillImageInfiniteLoop(videoInputFile, videoStream, ffmpegState);
@@ -614,7 +617,7 @@ public abstract class PipelineBuilderBase : IPipelineBuilder
 
         FilterChain filterChain = SetVideoFilters(
             videoInputFile,
-            videoStream,
+            videoStream with { PixelFormat = videoStreamPixelFormat },
             _watermarkInputFile,
             _subtitleInputFile,
             _graphicsEngineInput,