I managed to get it working with a 4090. You need to adjust the parameter decoding_t of the sample function in simple_video_sample.py to a lower value (decoding

I managed to get it working with a 4090. You need to adjust the parameter decoding_t of the sample function in simple_video_sample.py to a lower value (decoding_t = 5 works fine for me). I also needed to install imageio==2.19.3 and imageio-ffmpeg