Fix so background audio from other apps can play when disableFocus is true. requestAudioFocus was being run regardless of there being a src, so I made it so that only gets requested when a src exists.

Fix Array Out of Bounds crash if no video tracks present

Youtube like video track selection

This also fixes a bug that compared track type & renderer index

Update to OkHTTP 3.12.1 and ExoPlayer 2.9.3

[WIP] Fix android subtitle issue caused by using rawdatasource

Added filterEnabled flag and don't enable filter if source is an hls playlist

Edit fancy braces

Fix iOS video not displaying after switching source

Defect fix