Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 vlc-nox : Depends: libcddb2 but it is not installable
           Depends: libcrystalhd3 but it is not installable
           Depends: libdvbpsi7 (>= 0.2.0) but it is not installable
           Depends: libebml3 but it is not installable
           Depends: libmatroska5 but it is not installable
           Depends: libresid-builder0c2a but it is not installable
           Depends: libsidplay2 but it is not installable
           Depends: libssh2-1 (>= 1.2) but it is not installable
           Depends: libvcdinfo0 (>= 0.7.21) but it is not installable
E: Unable to correct problems, you have held broken packages.