From 3e24b8943da60008a06bec325c075c35142da4be Mon Sep 17 00:00:00 2001 From: Joshua Boniface Date: Mon, 1 Aug 2022 14:25:41 -0400 Subject: [PATCH] Backport pull request #8061 from jellyfin/release-10.8.z Fix intel dx11-ocl interop taking too long to initialize on windows Authored-by: nyanmisaka Merged-by: Claus Vium Original-merge: 9854751137db1578c31f1b8cefcbb1a1bc1ff206 --- MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs index 15afde601..f1f79a863 100644 --- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs +++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs @@ -4506,7 +4506,9 @@ namespace MediaBrowser.Controller.MediaEncoding if (isD3d11Supported && isCodecAvailable) { - return " -hwaccel d3d11va" + (outputHwSurface ? " -hwaccel_output_format d3d11" : string.Empty) + (isAv1 ? " -c:v av1" : string.Empty); + // set -threads 3 to intel d3d11va decoder explicitly. Lower threads may result in dead lock. + // on newer devices such as Xe, the larger the init_pool_size, the longer the initialization time for opencl to derive from d3d11. + return " -hwaccel d3d11va" + (outputHwSurface ? " -hwaccel_output_format d3d11" : string.Empty) + " -threads 3" + (isAv1 ? " -c:v av1" : string.Empty); } } else