We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

Prohledat stránky podpory

Vyhněte se podvodům. Za účelem poskytnutí podpory vás nikdy nežádáme, abyste zavolali nebo poslali SMS na nějaké telefonní číslo nebo abyste sdělili své osobní údaje. Jakékoliv podezřelé chování nám prosím nahlaste pomocí odkazu „Nahlásit zneužití“.

Zjistit více

video not playing

more options

My videos on Google Photos will not play. Avi, Mov, or Mp4 video show "this video format is not supported". Chrome and Internet Explorer has no problems playing them, just Firefox 84.0.1 (64-bit)

My videos on Google Photos will not play. Avi, Mov, or Mp4 video show "this video format is not supported". Chrome and Internet Explorer has no problems playing them, just Firefox 84.0.1 (64-bit)

Všechny odpovědi (4)

more options

Can show us what you are talking about and provide links so that we can try and replicate the issue?

more options
more options

It works for me. see screenshot Did you try safe mode?

more options

Safe Mode would be a good test.

Also, Firefox on Windows 7 uses Media Foundation, Microsoft's media components, to play H.264/MP4 video. I have a copy of the old YouTube test page. Does this show your Firefox will play H.264/MP4 videos:

https://www.jeffersonscher.com/sumo/html5-video.html

(The results we want are "supported" or "probably".)