Linking to video or audio files should embedded a player when viewing in preview mode. Example, I have this note that uses the embed link pointing to a local video file in vault:
**Every Hour Should Have a Job If You’re Going to be Serious About Habits** ![[2021-02-14 - Focused 118 Every Hour Should Have a Job.mov]] I think in this same [[Focused]] episode [[MacSparky]] mentions an app that the main goal is to help with [[Time Blocking]]: [[Sorted iOS app|Sorted]].
When in preview mode Obsidian should show an embed player for video or audio files.
Instead it shows a block with the file name that when click open the file with the default app: