[winswitch] Fedora33 xpra h264 encoding support not working

Antoine Martin antoine at nagafix.co.uk
Wed May 26 13:43:00 BST 2021

On 26/05/2021 19:06, Michael Cronenworth via shifter-users wrote:
> On 5/26/21 2:52 AM, Terry Barnaby via shifter-users wrote:
>> Is there any reason why the Fedora system packages should be so
>> different ? I can see they wouldn't be so up-to-date but I would have
>> thought the Fedora maintainer would take the upstream as close as
>> possible. It would be a better user experience and probably less
>> support if they were basically the same. 
> Most video codecs are patented. H.264* and HEVC still have active
> patents that require licensing. Fedora does not ship software that is
> encumbered by patents that requires licensing. Xpra relies on ffmpeg and
For the sake of completeness, this is not 100% accurate: ffmpeg can be
built under the GPL license and without the nonfree codecs.
xpra's ffmpeg encoder which we are discussing in this thread can be
enabled without those.
Whether that's practical or not is another question.

> ffmpeg cannot be shipped in Fedora so the Fedora repositories ship a
> version of Xpra with all of the patent encumbered features disabled.>
> RPMFusion is a third-party repository that lives outside the USA where
> Fedora is based. You could have Xpra shipped in RPMFusion and have all
> of Xpra's features turned on and available. It's entirely possible for
> Antoine to ship his packages there instead of his own repository.
There's a lot more to this than just the patented codec issue:


> Regards,
> Michael
> * OpenH.264 is shipped in Fedora, but it has limited format support and
> it is a plugin for Firefox.
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