Library Processing.video error

[spoondestroyer]

I am getting this error when I try to use opencv with Processing version 3.4

No library found for processing.video
Libraries must be installed in a folder named 'libraries' inside the sketchbook folder (see the Preferences window).

[cyanviper04]

You Have to go to the library manager and search for video and install it

[Dark-Folt]

You have to go to the libraray manager and install OpenCv for processing