try software decode for polaris

ErsatzTV.FFmpeg/Capabilities/VaapiHardwareCapabilities.cs

@@ -12,8 +12,6 @@ public class VaapiHardwareCapabilities(
 {
     public int EntrypointCount => profileEntrypoints.Count;
 
-    public string Generation => generation;
-
     public FFmpegCapability CanDecode(
         string videoFormat,
         Option<string> videoProfile,
@@ -22,11 +20,16 @@ public class VaapiHardwareCapabilities(
     {
         int bitDepth = maybePixelFormat.Map(pf => pf.BitDepth).IfNone(8);
 
+        bool isPolaris = generation.Contains("polaris", StringComparison.OrdinalIgnoreCase);
+
         bool isHardware = (videoFormat, videoProfile.IfNone(string.Empty).ToLowerInvariant()) switch
         {
             // no hardware decoding of 10-bit h264
             (VideoFormat.H264, _) when bitDepth == 10 => false,
 
+            // skip polaris hardware decoding 10-bit
+            (_, _) when bitDepth == 10 && isPolaris => false,
+
             // no hardware decoding of h264 baseline profile
             (VideoFormat.H264, "baseline" or "66") => false,
 

ErsatzTV.FFmpeg/Pipeline/VaapiPipelineBuilder.cs

@@ -355,25 +355,7 @@ public class VaapiPipelineBuilder : SoftwarePipelineBuilder
 
                 if (currentState.FrameDataLocation == FrameDataLocation.Hardware)
                 {
-                    if (_hardwareCapabilities is VaapiHardwareCapabilities vaapiCapabilities &&
-                        vaapiCapabilities.Generation.Contains("polaris", StringComparison.OrdinalIgnoreCase))
-                    {
-                        // don't try to download from 8-bit to 10-bit, or 10-bit to 8-bit
-                        HardwareDownloadFilter hardwareDownload =
-                            currentState.BitDepth == 8 && desiredPixelFormat.Map(pf => pf.BitDepth).IfNone(8) == 10 ||
-                            currentState.BitDepth == 10 && desiredPixelFormat.Map(pf => pf.BitDepth).IfNone(10) == 8
-                                ? new HardwareDownloadFilter(currentState)
-                                : new HardwareDownloadFilter(currentState with { PixelFormat = Some(format) });
-
-                        currentState = hardwareDownload.NextState(currentState);
-                        result.Add(hardwareDownload);
-
-                        result.Add(new PixelFormatFilter(format));
-                    }
-                    else
-                    {
                         result.Add(new VaapiFormatFilter(format));
-                    }
                 }
                 else
                 {