title: Unmet dependency when installing vlc on ubuntu 14.04
body: <p>Spent around 4hrs now still can't figure out what is the issue here.</p>
  <p>Here  is terminal dump :</p>
  <pre><code>machine@machine:~$ sudo apt-get install vlc
  Reading package lists... Done
  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 : Depends: vlc-nox (= 3.0.0~~git20141116+r58673+31~ubuntu14.04.1) but it is not going to be installed
         Depends: libavcodec55 (&gt;= 6:9.1-1) but it is not installable or
                  libavcodec-extra-55 (&gt;= 6:10~~git20131218.b3189af~ubuntu14.04.1) but it is not installable
         Depends: libavutil53 (&gt;= 6:9.1-1) but it is not installable
         Recommends: vlc-plugin-notify (= 3.0.0~~git20141116+r58673+31~ubuntu14.04.1) but it is not going to be installed
         Recommends: vlc-plugin-samba (= 3.0.0~~git20141116+r58673+31~ubuntu14.04.1) but it is not going to be installed
  E: Unable to correct problems, you have held broken packages.
  machine@machine:~$ sudo apt-get install libavcodec55
  Reading package lists... Done
  Building dependency tree       
  Reading state information... Done
  Package libavcodec55 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 'libavcodec55' has no installation candidate
  machine@machine:~$ sudo apt-get install libavutil53
  Reading package lists... Done
  Building dependency tree       
  Reading state information... Done
  Package libavutil53 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 'libavutil53' has no installation candidate
  machine@machine:~$ 
  </code></pre>
  <p>I am using ubuntu 14.04(<em>trusty</em>) and i tried almost everything but can not get these dependencies resolved</p>
  <p>Problem is that dependency is shown for libraries which are not available.PLEASE HELP in resolving this.Thanks!</p>
  <p>PS : My askubuntu account is not working for some backend account mismatch, thats why i <em>asked on SO</em></p>
  <h2>It's a NightMare :\</h2>