dslr-webcam.yaml

  #Playbook to quickly and easily set up your canon camera as a webcam.
# Run with `ansible-playbook dslr-webcam.yaml --ask-become-pass`
# Tested with an old digital rebel XS, a lot of other pixel formats threw errors not sure what cameras
# this will work with.

  - hosts: localhost
    connection: local
    tasks:
      - name: set up video loopback device on boot
        become: True
        copy:
          dest: "/etc/modprobe.d/dslr-webcam.conf"
          content: |
            alias dslr-webcam v4l2loopback
            options v4l2loopback exclusive_caps=1 max_buffers=2 card_label="DSLR" video_nr=10

      - name: Automatically start stream when dslr turns on
        become: True
        copy:
          dest: "/etc/udev/rules.d/99-dslr_webcam.rules"
          content: >
            ACTION=="add", SUBSYSTEM=="usb",
            ATTR{idVendor}=="04a9",
            ATTR{idProduct}=="317b",
            RUN+="/bin/sh -c 'gphoto2 --stdout --capture-movie | ffmpeg -i - -vcodec rawvideo -pix_fmt yuv420p -f v4l2 /dev/video10'"