ExoPlayer is an application level open-source media player intended for Android media apps. Amazon has a port of ExoPlayer that is compatible with Fire TV and other Amazon devices.The Amazon port of ExoPlayer provides many fixes, workarounds, and other patches to make ExoPlayer work on Amazon devices.
https://github.com/amzn/exoplayer-amazon-port
This repository is a port of the ExoPlayer project for Amazon devices.
See https://github.com/google/ExoPlayer for the original project.
See "README-ORIGINAL.md" for the original ExoPlayer README at Exoplayer 2.18.7.
Also see https://developer.amazon.com/docs/fire-tv/media-players.html#exoplayer
This functionality was added on top of Original Exoplayer 2.18.7