[justify]Voici ce qu'il fallait installer :
[deviennenicolas@localhost ~]$ sudo snap install gstreamer
[sudo] Mot de passe de deviennenicolas :
error: snap "gstreamer" is not available on stable but is available to install on the following
channels:
edge snap install --edge gstreamer
Please be mindful pre-release channels may include features not completely tested or
implemented. Get more information with 'snap info gstreamer'.
[deviennenicolas@localhost ~]$ snap install --edge gstreamer
gstreamer (edge) 0.2 from Jaeyoung Lim installed
[/justify]