Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

Avatar for Username

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

No video with supported format and MIME type

  • 1 reply
  • 1 has this problem
  • Last reply by cor-el

amexia
amexia
more options

Hi, I get a message "No video with supported format and MIME type" when I try to watch movies on my website : https://www.spiriferminerals.com/product,25270,produkt.html The same movie works on Chrome but not on Firefox. Can you help ? Thanks ! Joanna

Hi, I get a message "No video with supported format and MIME type" when I try to watch movies on my website : https://www.spiriferminerals.com/product,25270,produkt.html The same movie works on Chrome but not on Firefox. Can you help ? Thanks ! Joanna
Attached screenshots

All Replies (1)

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
more options

This could be a problem with missing HEVC support in Firefox. There is some support in Windows via WMF, but not for Mac/Linux.

  • 1842838 - (hevc) [meta] HEVC (H265) playback related bugs
  • 1889731 - Missing support for HEVC/H265 playback

Helpful?

Ask a question

You must log in to your account to reply to posts. Please start a new question, if you do not have an account yet.