ofxV4l2loopback

An openframeworks addon that allow to create virtual camera

This module use this lib: lbv4l2cpp

Intalation

1. Install v4l2loopback

⚠️ You must install kernel headers to do that because v4l2loopback is a kernel module

2. Create a virtual device

sudo modprobe v4l2loopback card_label="myCamNameHere" exclusive_caps=1

3. Clone this repo

cd /yourOfPath/addons
git clone https://github.com:Robotechnic/ofxV4l2loopback.git --recurse-submodules -j8

4. Include module in your project

Whith qt:

Just add ofxV4l2loopback in addons:

of.addons: [
    'ofxV4l2loopback'
]

With project generator:

Add ofxV4l2loopback in addons.make file

Usage

Firs, you need to init the camera:

ofxV4l2loopback virtualcam;
virtualcam.setup(width,height,device,fps);

parameter	usage
width	virtual device width
height	virtual device height
device	device number (Exemple: /dev/video1)
fps	fps of device

Then, you just need to update cam render at each frames:

virtualcam.update(pixels)

parameter	usage
pixels	ofPixel that contain your frame

Examples

https://github.com/Robotechnic/live_ascii_video