This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Why Firefox not support HlS or .M3U8 Video Streaming

  • 1 reply
  • 15 have this problem
  • 25 views
  • Last reply by ewwink

more options

HlS (HTTP Live Streaming) or .M3U8 Video Streaming is a must in Web 2.0 or HTML5, but why Firefox mobile (also desktop) not support this while Chrome, Opera, Dolphin Mobile support it. I tried installing flash player mobile but still it cannot play the video.

HlS (HTTP Live Streaming) or .M3U8 Video Streaming is a must in Web 2.0 or HTML5, but why Firefox mobile (also desktop) not support this while Chrome, Opera, Dolphin Mobile support it. I tried installing flash player mobile but still it cannot play the video.

All Replies (1)

more options

found the answer:

Firefox does not support the MPEG H.264 (mp4) format at this time, due to a philosophical disagreement with the closed-source nature of the format.

Updated Nov. 8, 2013

Network infrastructure giant Cisco has announced plans to open-source an implementation of the H.264 codec.... read more: http://stackoverflow.com/questions/12878068/video-format-or-mime-type-is-not-supported

other: https://blog.mozilla.org/blog/2013/10/30/video-interoperability-on-the-web-gets-a-boost-from-ciscos-h-264-codec/

its 1 year after but Mozilla still not implement HLS video.

Modified by ewwink