[wayland][nvidia-drm] Desktop freezes when playing video via mpv using nvdec

[fiepi]

[525.53] mpv does not work with NVDEC

Playing H264 or H265 video in mpv with NVDEC enabled doesn’t work: the video player window doesn’t open, the player exits after printing the list of audio/video streams in the file and no errors. Steps to reproduce: Put this content into ~/.config/mpv/mpv.conf: vd-lavc-threads=8 hwdec=nvdec ao=pulse vo=gpu deband=yes scale=ewa_lanczossharp cache=yes cache-pause-initial=yes cache-pause-wait=2 demuxer-readahead-secs=30 Play a video with H264 or H265 content by running mpv file.mp4 in the con…