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Why do some video formats not work?

Posted: Tue Dec 17, 2019 3:25 pm
by Anonymosity
I just came across this test page for HTML5 video: https://tekeye.uk/html/html5-video-test-page
Only 3 out of the 8 examples work with Slimjet. Why? All 8 worked with Vivaldi, Pale Moon and SeaMonkey. Interestingly, Webm and Ogg Theora failed to work with Safari. Apparently Slimjet cannot work with .mp4 video, but can with .ogv and .webm.

Re: Why do some video formats not work?

Posted: Tue Dec 17, 2019 3:45 pm
by Passenger
Just clicked your link and went down the list.

For me all of them work. See sig for my set up.

Re: Why do some video formats not work?

Posted: Wed Dec 18, 2019 2:34 pm
by Anonymosity
I am using MacOS, not Windows. I am also using uBlock Origin, not the built-in ad blocker. I use uBlock Origin with all my browsers, with as close to the same settings as possible. I have the same subscriptions (except for the legacy versions having a small legacy list) and the same filter list for all. I have not turned off ad blocking. Since 3 browsers work with all the samples, while Safari works with the formats where Slimjet does not, I do not see why the ad blocker would make a difference.

Re: Why do some video formats not work?

Posted: Wed Dec 18, 2019 8:38 pm
by sleeper10
Perhaps you need to do this?:
https://www.slimjet.com/en/libffmpeg.php

Re: Why do some video formats not work?

Posted: Fri Dec 20, 2019 4:52 pm
by Anonymosity
sleeper10 wrote:
Wed Dec 18, 2019 8:38 pm
Perhaps you need to do this?:
https://www.slimjet.com/en/libffmpeg.php
I do not think so. A few Slimjet versions ago, I needed to substitute that subroutine library in order to play some YouTube videos and to use Google Maps street view, but those all work with the latest version. That would not explain why Safari cannot handle Webm or Ogg Theora.

Re: Why do some video formats not work?

Posted: Fri Dec 20, 2019 7:09 pm
by sleeper10
in any case, you do need to do that each time you update Slimjet.