voilà la réponse de gstreamer :
al...@alain-laptop:~$ gstreamer-properties gstreamer-properties-Message: Skipping unavailable plugin 'artsdsink' gstreamer-properties-Message: Skipping unavailable plugin 'v4lmjpegsrc' gstreamer-properties-Message: Skipping unavailable plugin 'qcamsrc' gstreamer-properties-Message: Skipping unavailable plugin 'esdmon' -- ubuntu-fr mailing list ubuntu-fr@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-fr