Use VEGA Cast(select from menu) instead of video player to play online video on Chromecast.
VEGA Cast adapted to cast videos from popular video streaming services (vimeo, ustream, twitch, vk, etc.).
Use share/send menu button in android clients of these services to cast video with VEGA Cast
Use send menu item in browser to cast videos from web site - VEGA Cast will automatically recognize most videos.
Able to cast live streams - only HLS (*.m3u8)