v4l2request overlay

wget -O /etc/apk/keys/alpine-v4l2request@btzr.dev-6a92977f.rsa.pub \
  https://alpine-v4l2request.gitlab.io/alpine-v4l2request@btzr.dev-6a92977f.rsa.pub
printf '%s\n' '@v4l2 https://alpine-v4l2request.gitlab.io/alpine/v3.24' >> /etc/apk/repositories
apk update
apk add mpv-v4l2request@v4l2