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OSX 10.12.6, FF57.0.2: Cant play videos created with Quicktime. Safari and Chrome both play the file

  • 2 replies
  • 1 has this problem
  • 6 views
  • Last reply by Shadow110

Dominik Pich
Dominik Pich
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Hi, im on OSX 10.12.6 using FF57.0.2:

The Issue is that I cant play videos created with Quicktime. [the videos are embedded using a html5 video tag

In firefox I only get a grey 'codec not supported screen. Mind Safari and Chrome both play the file [same machine, same video]

I cant provide a link to the website but I made a demo movie file that has the same issue: https://www.dropbox.com/s/w4lynoon0je0g74/iOS%20Simulator%20Recording%20%282%29.mov?dl=0

Hi, im on OSX 10.12.6 using FF57.0.2: The Issue is that I cant play videos created with Quicktime. [the videos are embedded using a html5 video tag In firefox I only get a grey 'codec not supported screen. Mind Safari and Chrome both play the file [same machine, same video] I cant provide a link to the website but I made a demo movie file that has the same issue: https://www.dropbox.com/s/w4lynoon0je0g74/iOS%20Simulator%20Recording%20%282%29.mov?dl=0

All Replies (2)

Dominik Pich
Dominik Pich Question owner
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note that it works for dropbox as well as some other services as they re-encode the movie on their side

Shadow110
Shadow110
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Please Refresh but do this 1st:

then

TEST....... If no issues then Extensions which need to be added back in 1 at a time and tested ..... Or it is your Profile : Make a new one and test ...:

If is your Profile :

Note: Any customization will revert back to default, you will also need to reinstall Extensions.

Please let us know if this solved your issue or if need further assistance.