YouTube Live Stream Playback Demo

Uses Mozilla WebVTT to playback captions and chat for a video in sync.

Does not include the player or any data.

Usage

Fetch a VTT file from YouTube using the Captions API or YouTubeDL.
Fetch a chat transcript via youtube-chat-downloader or match its format with an API script.
Configure the locations in index.html toward the bottom
May require a local webserver, eg. python -m http.server

Dev Practice

Mozilla WebVTT
Consurrently playing back streams of events against wall time