With version 2.9.1, you can now use VLC for Android to stream local media to Chromecast. Videos and music files of all formats supported by VLC media player now can be streamed to Chromecast. Chromecast Ultra, Chromecast Audio, Google Home, Google Home Mini and Google Home Max. In this guide, I will try to use Chromecast to represent them all, instead of listing them all.
For PC users, you can stream local video and music files to Chromecast very easily with VLC media player version 3.0 RC2 or later.
This Chromecast guide shows you how to use VLC for Android to stream local media to Chromecast: installing the app, enrolling in the Android beta program, streaming local media with VLC for Android, and Chromecast streaming controls for VLC for Android.