From 9eef9da6bf7a72f781d38df61e825fafa50ad109 Mon Sep 17 00:00:00 2001
From: Rob Arnold <326113+robarnold@users.noreply.github.com>
Date: Sat, 17 Feb 2024 05:44:21 -0800
Subject: [PATCH] Add some explanatory comments

---
 frigate/util/services.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/frigate/util/services.py b/frigate/util/services.py
index 59cc4d27d..d2e3204df 100644
--- a/frigate/util/services.py
+++ b/frigate/util/services.py
@@ -202,10 +202,12 @@ def get_bandwidth_stats(config) -> dict[str, dict]:
 
 
 def is_vaapi_amd_driver() -> bool:
+    # Use the explicitly configured driver, if available
     driver = os.environ.get(DRIVER_ENV_VAR)
     if driver:
         return driver == DRIVER_AMD
 
+    # Otherwise, ask vainfo what is has autodetected
     p = vainfo_hwaccel()
 
     if p.returncode != 0: