Enable and pass /dev/video* to Jellyfin running in Docker on DietPi v8.6.1

How to enable /dev/video* devices in DietPi

in the /boot/config.txt
I can only find dtoverlay=rpivid-v4l2

root@sky:~# ls -a /dev/
.                loop2   ram9            tty2   tty47      vcs
..               loop3   random          tty20  tty48      vcs1
ashmem           loop4   rfkill          tty21  tty49      vcs2
autofs           loop5   rpivid-h264mem  tty22  tty5       vcs3
block            loop6   rpivid-hevcmem  tty23  tty50      vcs4
bsg              loop7   rpivid-intcmem  tty24  tty51      vcs5
btrfs-control    mapper  rpivid-vp9mem   tty25  tty52      vcs6
bus              mem     sda             tty26  tty53      vcsa
cachefiles       mqueue  sda1            tty27  tty54      vcsa1
char             net     sda2            tty28  tty55      vcsa2
console          null    serial1         tty29  tty56      vcsa3
cpu_dma_latency  port    sg0             tty3   tty57      vcsa4
cuse             ppp     shm             tty30  tty58      vcsa5
disk             ptmx    snd             tty31  tty59      vcsa6
dma_heap         pts     stderr          tty32  tty6       vcsm-cma
fd               ram0    stdin           tty33  tty60      vcsu
full             ram1    stdout          tty34  tty61      vcsu1
fuse             ram10   tty             tty35  tty62      vcsu2
gpiochip0        ram11   tty0            tty36  tty63      vcsu3
gpiochip1        ram12   tty1            tty37  tty7       vcsu4
gpiomem          ram13   tty10           tty38  tty8       vcsu5
hwrng            ram14   tty11           tty39  tty9       vcsu6
initctl          ram15   tty12           tty4   ttyS0      vga_arbiter
input            ram2    tty13           tty40  ttyprintk  vhci
kmsg             ram3    tty14           tty41  uhid       vhost-net
kvm              ram4    tty15           tty42  uinput     vhost-vsock
log              ram5    tty16           tty43  urandom    watchdog
loop-control     ram6    tty17           tty44  vc-mem     watchdog0
loop0            ram7    tty18           tty45  vchiq      zero
loop1            ram8    tty19           tty46  vcio

is vhci the video device?

root@sky:~# udevadm info /dev/vhci
P: /devices/virtual/misc/vhci
N: vhci
L: 0
E: DEVPATH=/devices/virtual/misc/vhci
E: DEVNAME=/dev/vhci
E: MINOR=137

root@sky:~# udevadm info /dev/rpivid-hevcmem
P: /devices/virtual/rpivid-hevcmem/rpivid-hevcmem
N: rpivid-hevcmem
L: 0
E: DEVPATH=/devices/virtual/rpivid-hevcmem/rpivid-hevcmem
E: DEVNAME=/dev/rpivid-hevcmem
E: MAJOR=237
E: SUBSYSTEM=rpivid-hevcmem


Welcome to our community.

Did you checked dietpi-config > 1 : Display Options 1 : Display Resolution ??

Just out of interest. Why are you running Jellyfin within docker and not using our pre-configured install script?

1 Like

So, kms and fkms are for OpenGL so that will run hardware acceleration
if I enable anyone, it will show up in /dev/

and to answer your question, I love Diet Pi low resource usage, but prefer to run my apps in Docker as much as possible + it also helps me in learning about Docker and Kubernetes
I have around 30+ services running on docker on a single Pi4 8 GB, I am converting my other Pi4 8 GB just to run Jellyfin/Plex

that worked!!!




good you found it and it is working for you.