Can't get QSV or VAAPI to work

[arctic]

Hello everyone, I'm trying to set up Intel QSV for hardware acceleration on my Jellyfin setup and it's giving me a lot of grief.

My setup:
Intel Core i5-4570
Jellyfin running in Debian 12 Proxmox LXC

I've followed guides to pass through the gpu, added jellyfin to render and video groups, etc.

Here's the error log I get when using VAAPI:

Code:

[AVHWDeviceContext @ 0x55f68870fb00] No VA display found for device /dev/dri/renderD128.
Device creation failed: -22.
Failed to set value 'vaapi=va:/dev/dri/renderD128' for option 'init_hw_device': Invalid argument
Error parsing global options: Invalid argument

And the error I get using QSV:

Code:

[AVHWDeviceContext @ 0x55f68870fb00] No VA display found for device /dev/dri/renderD128.
Device creation failed: -22.
Failed to set value 'vaapi=va:/dev/dri/renderD128' for option 'init_hw_device': Invalid argument
Error parsing global options: Invalid argument

Here's the output of vainfo if it helps:

Code:

error: XDG_RUNTIME_DIR is invalid or not set in the environment.
error: can't connect to X server!
libva info: VA-API version 1.17.0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so
libva info: Found init function __vaDriverInit_1_17
libva error: /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so init failed
libva info: va_openDriver() returns 1
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_1_8
libva info: va_openDriver() returns 0
vainfo: VA-API version: 1.17 (libva 2.12.0)
vainfo: Driver version: Intel i965 driver for Intel(R) Haswell Desktop - 2.4.1
vainfo: Supported profile and entrypoints
      VAProfileMPEG2Simple            : VAEntrypointVLD
      VAProfileMPEG2Simple            : VAEntrypointEncSlice
      VAProfileMPEG2Main              : VAEntrypointVLD
      VAProfileMPEG2Main              : VAEntrypointEncSlice
      VAProfileH264ConstrainedBaseline: VAEntrypointVLD
      VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice
      VAProfileH264Main              : VAEntrypointVLD
      VAProfileH264Main              : VAEntrypointEncSlice
      VAProfileH264High              : VAEntrypointVLD
      VAProfileH264High              : VAEntrypointEncSlice
      VAProfileH264MultiviewHigh      : VAEntrypointVLD
      VAProfileH264MultiviewHigh      : VAEntrypointEncSlice
      VAProfileH264StereoHigh        : VAEntrypointVLD
      VAProfileH264StereoHigh        : VAEntrypointEncSlice
      VAProfileVC1Simple              : VAEntrypointVLD
      VAProfileVC1Main                : VAEntrypointVLD
      VAProfileVC1Advanced            : VAEntrypointVLD
      VAProfileNone                  : VAEntrypointVideoProc
      VAProfileJPEGBaseline          : VAEntrypointVLD

I have igpu drivers from vainfo, and I think I also installed them from elsewhere.

If anyone has any ideas please drop them below because I'm going crazy!!!!