trevor403

sudo modprobe v4l2loopback video_nr=4 card_label="virtual webcam" exclusive_caps=1
sudo ffmpeg -use_wallclock_as_timestamps 1 -fflags nobuffer -framerate 60 -device /dev/dri/card0 -f kmsgrab -format bgr0 -i - -vsync drop -init_hw_device vaapi=v:/dev/dri/renderD128 -filter_hw_device v -vf 'hwmap,hwdownload,format=yuv420p' -c:v rawvideo -f v4l2 /dev/video4

trevor403

// This example adapted from Matt Gallagher's "Minimalist Cocoa Programming"
// blog article:
//    http://cocoawithlove.com/2010/09/minimalist-cocoa-programming.html
var $ = require('NodObjC')

$.import('Cocoa')

var pool = $.NSAutoreleasePool('alloc')('init')
  , app  = $.NSApplication('sharedApplication')