bebobli@pep:~$ sudo apt-add-repository ppa:kirillshkrogalev/ffmpeg-next
[sudo] password for bebobli:
You are about to add the following PPA to your system:
 This PPA provides backported release ffmpeg for current releases Ubuntu (Trusty, Utopic, etc.)
 More info: https://launchpad.net/~kirillshkrogalev/+archive/ubuntu/ffmpeg-next
Press [ENTER] to continue or ctrl-c to cancel adding it

gpg: keyring `/tmp/tmpxt8dvf5u/secring.gpg' created
gpg: keyring `/tmp/tmpxt8dvf5u/pubring.gpg' created
gpg: requesting key 8EFE5982 from hkp server keyserver.ubuntu.com
gpg: /tmp/tmpxt8dvf5u/trustdb.gpg: trustdb created
gpg: key 8EFE5982: public key "Launchpad PPA for Kyrill" imported
gpg: Total number processed: 1
gpg:               imported: 1  (RSA: 1)
OK
bebobli@pep:~$ sudo apt-get update
Hit http://ftp.us.debian.org jessie InRelease
Ign http://ppa.launchpad.net jessie InRelease
Hit http://ftp.us.debian.org jessie-updates InRelease
Get:1 http://security.debian.org jessie/updates InRelease [84.1 kB]
Ign http://ppa.launchpad.net jessie InRelease
Hit http://ftp.us.debian.org jessie-backports InRelease
Get:2 http://ftp.us.debian.org jessie/main Sources/DiffIndex [7,876 B]
Ign http://ppa.launchpad.net jessie InRelease
Get:3 http://ftp.us.debian.org jessie/main amd64 Packages/DiffIndex [7,876 B]
Get:4 http://ftp.us.debian.org jessie/main Translation-en/DiffIndex [7,876 B]
Get:5 http://ftp.us.debian.org jessie-updates/main Sources [14 B]
Get:6 http://ftp.us.debian.org jessie-updates/main amd64 Packages [14 B]
Get:7 http://ftp.us.debian.org jessie-updates/main Translation-en [14 B]
Ign http://ppa.launchpad.net jessie Release.gpg
Ign http://ppa.launchpad.net jessie Release.gpg
Get:8 http://security.debian.org jessie/updates/main Sources [14 B]
Get:9 http://ftp.us.debian.org jessie-backports/main Sources [14 B]
Get:10 http://security.debian.org jessie/updates/main amd64 Packages [14 B]
Ign http://ppa.launchpad.net jessie Release.gpg
Get:11 http://security.debian.org jessie/updates/main Translation-en [14 B]
Get:12 http://ftp.us.debian.org jessie-backports/main amd64 Packages [14 B]
Ign http://ppa.launchpad.net jessie Release
Get:13 http://ftp.us.debian.org jessie-backports/main Translation-en [14 B]
Ign http://ppa.launchpad.net jessie Release
Ign http://ppa.launchpad.net jessie Release
Err http://ppa.launchpad.net jessie/main amd64 Packages
  404  Not Found
Ign http://ppa.launchpad.net jessie/main Translation-en_US
Ign http://ppa.launchpad.net jessie/main Translation-en
Err http://ppa.launchpad.net jessie/main amd64 Packages
  404  Not Found
Ign http://ppa.launchpad.net jessie/main Translation-en_US
Ign http://ppa.launchpad.net jessie/main Translation-en
Err http://ppa.launchpad.net jessie/main amd64 Packages
  404  Not Found
Ign http://ppa.launchpad.net jessie/main Translation-en_US
Ign http://ppa.launchpad.net jessie/main Translation-en
Fetched 108 kB in 9s (11.4 kB/s)
W: Failed to fetch http://ppa.launchpad.net/jon-severinsson/ffmpeg/ubuntu/dists/jessie/main/binary-amd64/Packages  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/kirillshkrogalev/ffmpeg-next/ubuntu/dists/jessie/main/binary-amd64/Packages  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/obsproject/obs-studio/ubuntu/dists/jessie/main/binary-amd64/Packages  404  Not Found

E: Some index files failed to download. They have been ignored, or old ones used instead.
bebobli@pep:~$ sudo apt-get install ffmpeg obs-studio
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package ffmpeg is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'ffmpeg' has no installation candidate
E: Unable to locate package obs-studio
bebobli@pep:~$