Unable to Transcode Video in Firefox With Apollo Game Streaming Virtual Display

[pcv4]

The video is HEVC Main-10, and there's no direct streaming with mkv container in Firefox, perhaps adding option to select what gpu(s) to use would be great

Jellyfin: 10.10.5
OS : Windows 11 24H2
Play On : Firefox 134.0.2 (Locally and Transcoded)
GPU : AMD Radeon RX 6700XT
GPU Driver : AMD Radeon Adrenaline 25.1.1

Code:

ffmpeg version 7.0.2-Jellyfin Copyright (c) 2000-2024 the FFmpeg developers
  built with clang version 19.1.7
  configuration: --cc=clang --pkg-config-flags=--static --extra-cflags=-I/clang64/ffbuild/include --extra-ldflags=-L/clang64/ffbuild/lib --prefix=/clang64/ffbuild/jellyfin-ffmpeg --extra-version=Jellyfin --disable-ffplay --disable-debug --disable-doc --disable-sdl2 --disable-ptx-compression --enable-lto=thin --enable-gpl --enable-version3 --enable-schannel --enable-iconv --enable-libxml2 --enable-zlib --enable-lzma --enable-gmp --enable-chromaprint --enable-libfreetype --enable-libfribidi --enable-libfontconfig --enable-libharfbuzz --enable-libass --enable-libbluray --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libopenmpt --enable-libwebp --enable-libvpx --enable-libzimg --enable-libx264 --enable-libx265 --enable-libsvtav1 --enable-libdav1d --enable-libfdk-aac --enable-opencl --enable-dxva2 --enable-d3d11va --enable-d3d12va --enable-amf --enable-libvpl --enable-ffnvcodec --enable-cuda --enable-cuda-llvm --enable-cuvid --enable-nvdec --enable-nvenc
  libavutil      59.  8.100 / 59.  8.100
  libavcodec    61.  3.100 / 61.  3.100
  libavformat    61.  1.100 / 61.  1.100
  libavdevice    61.  1.100 / 61.  1.100
  libavfilter    10.  1.100 / 10.  1.100
  libswscale      8.  1.100 /  8.  1.100
  libswresample  5.  1.100 /  5.  1.100
  libpostproc    58.  1.100 / 58.  1.100
[AVHWDeviceContext @ 000001ab5199c300] Using device 1002:73df (AMD Radeon RX 6700 XT).
[AVHWDeviceContext @ 000001ab519ee980] No matching devices found.
Device creation failed: -19.
Failed to set value 'opencl=ocl@dx11' for option 'init_hw_device': No such device
Error parsing global options: No such device