From 58e27875ae20f2da7e8dda91f5ff288a26503c1b Mon Sep 17 00:00:00 2001
From: Dylan Frankcom <dylanfrankcom@icloud.com>
Date: Tue, 30 Apr 2024 21:31:00 -0400
Subject: [PATCH] Fix Raised Black Levels on Steam Deck OLED (#1265)

Add getDecoderColorRange to plvk
---
 app/streaming/video/ffmpeg-renderers/plvk.cpp | 6 ++++++
 app/streaming/video/ffmpeg-renderers/plvk.h   | 1 +
 2 files changed, 7 insertions(+)

diff --git a/app/streaming/video/ffmpeg-renderers/plvk.cpp b/app/streaming/video/ffmpeg-renderers/plvk.cpp
index 596e1c4c..8e95d0b0 100644
--- a/app/streaming/video/ffmpeg-renderers/plvk.cpp
+++ b/app/streaming/video/ffmpeg-renderers/plvk.cpp
@@ -905,6 +905,12 @@ int PlVkRenderer::getRendererAttributes()
     return attributes;
 }
 
+int PlVkRenderer::getDecoderColorRange()
+{
+    // Explicitly set the color range to full to fix raised black levels on OLED displays
+    return COLOR_RANGE_FULL;
+}
+
 int PlVkRenderer::getDecoderCapabilities()
 {
     return CAPABILITY_REFERENCE_FRAME_INVALIDATION_HEVC |
diff --git a/app/streaming/video/ffmpeg-renderers/plvk.h b/app/streaming/video/ffmpeg-renderers/plvk.h
index 366c74c0..3596002e 100644
--- a/app/streaming/video/ffmpeg-renderers/plvk.h
+++ b/app/streaming/video/ffmpeg-renderers/plvk.h
@@ -23,6 +23,7 @@ public:
     virtual void notifyOverlayUpdated(Overlay::OverlayType) override;
     virtual bool notifyWindowChanged(PWINDOW_STATE_CHANGE_INFO) override;
     virtual int getRendererAttributes() override;
+    virtual int getDecoderColorRange() override;
     virtual int getDecoderCapabilities() override;
     virtual bool needsTestFrame() override;
     virtual bool isPixelFormatSupported(int videoFormat, enum AVPixelFormat pixelFormat) override;