iOS Phones always play video in fullscreen, and this can't be turned off as far as I can tell. This means that most of the custom video components are useless on iOS Phones.

The only utility I can find for displaying components at all is allowing the user to switch to a track including audio descriptions, or perhaps to read the transcript separately. The native player includes it's own control for selecting closed captioning tracks.

Given this, do we want to display anything for iOS phones, and if so what?