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Video player requirements

Note: User story references (e.g., us18) refer to our user stories document.

VoV video player needs to satisfy these requirements:

  • RTMP support (us18)
  • Fallback to HTML5 video when Flash player is not supported (iOS) (us18)
  • Javascript API that works identical in Flash mode and HTML5 mode

Features that are required and nice to have built-in but we can write them ourselves

  • Playlist (us11)
  • Clip making (us3, us64)
  • Closed captions (us43)
  • Accessibility (us10)
  • Blocking access to certain segments of a video (us90)

Features that are not required but would be nice to have and difficult for us to implement

  • Plugin support
  • Skinnable
  • Adjustable playback speed (US 56 - is this possible with streaming?)
  • Adaptive streaming - the player can change video quality (when switching to fullscreen or connection slows down)

Features that we will most likely want to write ourselves

  • Annotations using OAC (us23, us26, us27...)
  • Embedding (us55)

Other requirements

  • MIT/BSD/ECL compatible licensing (not GPL)

Video players compared

The list below only compares open-source players with license less strict than GPL.

 jwplayermediaelement.jsOSMF (StrobeMedia)Engagevideo.js
m3u8Yes (flash + html5)Yes (html5)Yes (3rd party plugin)ProbablyUnclear
Adaptive streamingYesNoYesProbablyNo
Javascript APIYesYesExploratoryYesYes
Clip makingYesNoUnclearYesUnclear

Engage is based on OSMF. We're looking into Fluid Player.

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