Officially, the chromecast API only (so far) supports sender applications built on ios, android, and chrome (https://developers.google.com/cast/ https://develop

Officially, the chromecast API only (so far) supports sender applications built on ios, android, and chrome (https://developers.google.com/cast/ https://developers.google.com/cast/). Unofficially, I'd be surprised if vlc hasn't found a way to be a chromecast sender within 6 months.