Anonymous ID: 6318bc Jan. 27, 2020, 3:31 p.m. No.7934077   🗄️.is 🔗kun

>>7933893

>https://twitter.com/paulsperry_/status/1221923949430366208

https://stackoverflow.com/questions/35034775/how-to-merge-four-videos-on-one-screen-with-ffmpeg