I have a fresh Jessie VM and installing janus with apt-get install janus fails with:
The following packages have unmet dependencies:
janus : Depends: libavcodec53 (>= 6:0.8.3-1~) but it is not installable or
libavcodec-extra-53 (>= 6:0.8.17) but it is not installable
Depends: libavformat53 (>= 6:0.8.3-1~) but it is not installable
Depends: libavutil51 (>= 6:0.8.3-1~) but it is not installable
Depends: libwebsockets3 (>= 1.5.0-wheezy1) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
I have a fresh Jessie VM and installing janus with
apt-get install janus
fails with: