sudo aptitude install qtox
The following NEW packages will be installed:
  libopenal-data{a} libopenal1{a} libqt5core5a{a} qtox{b} 
0 packages upgraded, 4 newly installed, 0 to remove and 2 not upgraded.
Need to get 2,476 kB of archives. After unpacking 2,758 kB will be used.
The following packages have unmet dependencies:
 qtox : Depends: libopencv-core2.4 which is a virtual package.
        Depends: libopencv-highgui2.4 which is a virtual package.
        Depends: libopencv-imgproc2.4 which is a virtual package.
        Depends: libqt5svg5 but it is not going to be installed.
        Depends: libqrencode3 but it is not going to be installed.
open: 1; closed: 0; defer: 0; conflict: 0                                                                                                                                                       oThe following actions will resolve these dependencies:

     Keep the following packages at their current version:
1)     qtox [Not Installed]                               



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