Help, playback of 8K video is only 30fps

[Lex04]

My laptop is a ThinkPad P16 i9-13950HX + RTX 4000Ada Laptop configuration with win11 23H2 22631.5039.

I encountered a very strange problem, playing 8K 60Fps video with MPC-HC from K-lite decoding package with MPC Video Render renderer the frame rate is only 30Fps, after switching to high performance (discrete graphics card) in system settings the frame rate is normal.

The video is an 8K 60Fps av1 encoded video downloaded from YouTube, tried to transcode it to H.265 and the problem is still there. I tried to transcode it to H.265 and it still works. I had no problem playing it directly on Chrome with a nuclear graphics card.

Feedback from the developers on K-lite's forums and github suggests that it may be an intel graphics driver issue.

I hope the experienced people in this forum can help me with some solution ideas, and if you need me to provide some other information, you can reply me!

https://codecs.forumotion.net/t4733-playback-of-8k-60fps-video-at-only-30fps-on-mpc-hc-with-k-lite_codec_pack_1875_full

https://github.com/Aleksoid1978/VideoRenderer/issues/204#

 

[JohnM_Intel]

Hello Lex04,

Thank you for reaching out to the community.

To further investigate this issue, could you confirm whether your GPU graphics driver is up to date? If not, I recommend reaching out to Lenovo for the OEM graphics drivers specific to your system.

Once you have installed the OEM drivers, please let me know if the issue persists so we can explore further solutions.

Additionally, after reviewing the specifications of the ThinkPad P16, I couldn't find any indication that 8K resolution is supported.

Best regards,

John Sergio M.

Intel Customer Support Technician

[Lex04]

I installed the latest OEM drivers, my UHD Graphics supports 8K video decoding, and my monitor resolution is 4K 3840 X 2400. With the latest drivers, the problem still exists. I also updated my Windows to the latest version.