Blender in Fedora repository is built with ffpmeg support disabled by default for legal reasons. Negativo which is one of co-maintainers provides nearly identical version with FFmpeg enabled accessible via fedora-multimedia branch.

https://negativo17.org/repos

Make sure to keep that repo disabled to avoid conflict with rpmfusion.

Luya

On 2019-10-31 11:09 a.m., Code Zombie wrote:
Thanks Luya,
I have all ffmpeg and gstreamer codecs installed. However, I think blender was installed by OpenShot before I actually installed ffmpeg and gstreamer codecs.
So, it might be the reason why it does not play videos or music. But, reinstalling blender didn't help. Never had this issue before.
- Mehdi

On Thu, Oct 31, 2019 at 11:26 AM Luya Tshimbalanga <luya@fedoraproject.org> wrote:

On 2019-10-31 5:05 a.m., Code Zombie wrote:
> Hi
>
> It seems that Blender 2.8 on Fedora 31 does not support sound and
> video playback and export.
> Does anyone have the same issue? Is that normal on Fedora 31?
>
> - Mehdi
>
Hello Mehda,

Blender requires ffmpeg which cannot be legally included in Fedora
repository to effectively use multimedia due to US patents law. One of
best approach is either get ffmpeg without the offending codecs or
enable an alternative like gstreamer which is beyond the scope of
packaging process.

--
Luya Tshimbalanga
Fedora Design Team
Fedora Design Suite maintainer
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Fedora Design Team
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