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

Cuireadh an snáithe seo sa chartlann. Cuir ceist nua má tá cabhair uait.

Fedora 28, Firefox 59.0.2 (64), installed ffmpeg still unable to stream mpeg, mpeg-4 videos. Solution: install compat-ffmpeg28 from rpmfusion-free-updates.

  • 1 freagra
  • 1 leis an bhfadhb seo
  • 19 views
  • Freagra is déanaí ó James

more options

Installed Fedora 28. Installed rpmfusion-free-release-28 and rpmfusion-nonfree-release-28. Installed ffmpeg. But video streaming did not work, in Netfix or Twitter or any other site using mpeg, mpeg-4 videos. Solution: install compat-ffmpeg28 from rpmfusion. Streaming worked after that...

Installed Fedora 28. Installed rpmfusion-free-release-28 and rpmfusion-nonfree-release-28. Installed ffmpeg. But video streaming did not work, in Netfix or Twitter or any other site using mpeg, mpeg-4 videos. Solution: install compat-ffmpeg28 from rpmfusion. Streaming worked after that...

All Replies (1)

more options

Every distro may be slightly different in packages and package name as FFmpeg is needed for Firefox (and SeaMonkey) to fully support the HTML5 players. Firefox was still running when installing the package then a restart of Firefox may be needed.

You can test at https://www.youtube.com/html5/ as all check marks should ideally be blue.