fixes

ErsatzTV.Application/Troubleshooting/Queries/GetTroubleshootingInfoHandler.cs

@@ -102,12 +102,7 @@ public class GetTroubleshootingInfoHandler : IRequestHandler<GetTroubleshootingI
                     vaapiDisplays = ["drm"];
                 }
 
-                List<QsvInitMode> qsvInitModes = [QsvInitMode.None];
-                if (_runtimeInfo.IsOSPlatform(OSPlatform.Windows))
-                {
-                    qsvInitModes.Add(QsvInitMode.D3d11Va);
-                }
-                qsvInitModes.Add(QsvInitMode.Qsv);
+                var qsvInitModes = QsvInitModes.GetModesToTest(_runtimeInfo).ToList();
 
                 foreach (string qsvDevice in vaapiDevices)
                 {

ErsatzTV.FFmpeg/Capabilities/HardwareCapabilitiesFactory.cs

@@ -577,18 +577,13 @@ public partial class HardwareCapabilitiesFactory(
                 return new QsvHardwareCapabilities(vaapiCapabilities, qsvInitMode.Value);
             }
 
-            var initModesToTest = new Queue<QsvInitMode>();
-            initModesToTest.Enqueue(QsvInitMode.None);
-            if (runtimeInfo.IsOSPlatform(OSPlatform.Windows))
-            {
-                initModesToTest.Enqueue(QsvInitMode.D3d11Va);
-            }
-            initModesToTest.Enqueue(QsvInitMode.Qsv);
+            var initModesToTest = new Queue<QsvInitMode>(QsvInitModes.GetModesToTest(runtimeInfo));
 
             QsvOutput output;
-            QsvInitMode initMode = initModesToTest.Dequeue();
+            QsvInitMode initMode;
             do
             {
+                initMode = initModesToTest.Dequeue();
                 output = await GetQsvOutput(ffmpegPath, qsvDevice, initMode);
                 if (output.ExitCode == 0)
                 {

ErsatzTV.FFmpeg/Capabilities/Qsv/QsvInitModes.cs

@@ -0,0 +1,19 @@
+using System.Runtime.InteropServices;
+using ErsatzTV.FFmpeg.Runtime;
+
+namespace ErsatzTV.FFmpeg.Capabilities.Qsv;
+
+public static class QsvInitModes
+{
+    public static IEnumerable<QsvInitMode> GetModesToTest(IRuntimeInfo runtimeInfo)
+    {
+        yield return QsvInitMode.None;
+
+        if (runtimeInfo.IsOSPlatform(OSPlatform.Windows))
+        {
+            yield return QsvInitMode.D3d11Va;
+        }
+
+        yield return QsvInitMode.Qsv;
+    }
+}