when i enter :  sudo apt-get upgradeI get the following messages: Reading package lists... Done  Building dependency tree         Reading> state information... Done  Calculating upgrade... Done  The following packages have been kept back:    libavcodec54 libavdevice53 libavformat54  0 upgraded, 0 newly installed, 0 to remove and 3 not upgraded.output for :-  sudo apt-cache rdepends libavcodec54here :- libavcodec54 Reverse Depends:   libavcodec54:i386   libavcodec54:i386   libavcodec-extra-54:i386   libavcodec-extra-54:i386  |vlc-nox   |libopenscenegraph99  |libavformat54  |libavfilter3  |libavdevice53  libavcodec-extra-54   libavcodec-extra-54  |libavcodec-dev   |libavcodec-dev  |libav-tools  |libav-dbg  |gstreamer1.0-libav   |ffmpegthumbs  |audacity   libavcodec54:i386   libavcodec54:i386  libavcodec-extra-54:i386   libavcodec-extra-54:i386  |xjadeo   |transcode  |idjc  |zoneminder  |yorick-av  |xpra   |xmms2-plugin-avcodec  |xbmc-bin  |vlc-nox  |tupi  |survex-aven   |squeezelite-pa  |squeezelite  |spek  |silan  |shotdetect  |qutecom   |python-renpy  |python-libavg  |performous  |paraview  |mpv  |mplayer2  |mplayer-gui  |mplayer  |mpd  |motion  |moc-ffmpeg-plugin  |miro   |mencoder  |lynkeos.app  |lives  |lightspark-common  |libxine2-x   |libxine2-ffmpeg  |libxine1-ffmpeg  |libwxsvg0  |libvxl1.17  |libvtk6   |libvtk5.8  |libvisp2.8  |libquicktime2  |libqmmp-misc  |libphash0   |libopenscenegraph99  |libopencv-highgui2.4  |libopal3.10.10   |libmrpt-hwdrivers1.0  |libmrpt-dbg  |libmlt6  |libmediastreamer-base3  |libk3b6-extracodecs  |libjitsi-jni  |libgmerlin-avdec1  |libffms2-3   |libffmpegthumbnailer4  |libchromaprint0  |libchromaprint-tools   |libavifile-0.7c2  |libavformat54  |libavfilter3  |libavdevice53  libavcodec-extra-54   libavcodec-extra-54  |libavcodec-dev   |libavcodec-dev  |libavbin0  |libav-tools  |libav-dbg  |libaubio4   |libasound2-plugins-extra  |kino  |kid3-core  |jmdlx  |hedgewars   |harvid  |handbrake-cli  |handbrake  |guvcview  |gstreamer1.0-libav   |gpac-modules-base  |goldendict  |gnash-common  |fuse-emulator-utils   |forked-daapd  |ffmpegthumbs  |ffmpeg2theora  |ffdiaporama  |dvswitch   |dvdstyler  |dvbcut  |dff  |cantata  |bombono-dvd  |blender  |bino   |audacious-plugins  |aubio-tools  |amide  |acoustid-fingerprinter   |ffmpegthumbs   libavcodec-extra-54:i386   libavcodec-extra-54:i386  libavcodec54:i386   libavcodec54:i386  |libavfilter3  libavcodec-extra-54   libavcodec-extra-54  |libavformat54   |libavdevice53  |ffmpeg-dbg  |libavcodec-dev  |libavcodec-dev  |ffmpeg  |simplescreenrecorderfor :- sudo apt-cache rdepends libavdevice53Here :- libavdevice53 Reverse Depends:   libavdevice53:i386  libavdevice53:i386   libopenscenegraph99   libavdevice-extra-53  libavdevice-dev   libav-tools   libav-dbg   libavdevice53:i386  libavdevice53:i386   libopenscenegraph99   libmlt6  libavdevice-extra-53   libavdevice-dev   libav-tools   libav-dbg  ffmpeg2theora   blender   bino   libavdevice53:i386  libavdevice53:i386   libavdevice-extra-53   ffmpeg-dbg  libavdevice-dev   ffmpegfor :- sudo apt-cache rdepends libavformat54here :- libavformat54 Reverse Depends:   libavformat54:i386  libavformat54:i386   vlc-nox   nepomuk-core-ffmpegextractor  libopenscenegraph99   libkfilemetadata4   libavformat-extra-54  libavformat-dev   libavfilter3   libavdevice53   libav-tools  libav-dbg   gstreamer1.0-libav   ffmpegthumbs   audacity  libavformat54:i386   libavformat54:i386   xjadeo   transcode   idjc  zoneminder   yorick-av   xbmc-bin   vlc-nox   tupi   survex-aven  squeezelite-pa   squeezelite   spek   silan   shotdetect  python-renpy   python-libavg   performous   paraview  nepomuk-core-ffmpegextractor   mpv   mplayer2   mplayer-gui   mplayer   mpd   motion   moc-ffmpeg-plugin   miro   mencoder   mediatomb-common   lynkeos.app   lives   lightspark-common   libwxsvg0   libvxl1.17  libvtk6   libvtk5.8   libvisp2.8   libqmmp-misc   libphash0  libopenscenegraph99   libopencv-highgui2.4   libmrpt-hwdrivers1.0  libmrpt-dbg   libmlt6   libkfilemetadata4   libk3b6-extracodecs  libjitsi-jni   libgmerlin-avdec1   libffms2-3   libffmpegthumbnailer4   libdlna0   libchromaprint-tools   libavifile-0.7c2  libavformat-extra-54   libavformat-dev   libavfilter3   libavdevice53   libavbin0   libav-tools   libav-dbg   libaubio4   kradio4   kino  kid3-core   hedgewars   harvid   handbrake-cli   handbrake  gstreamer1.0-libav   gpac-modules-base   goldendict   gnash-common  gmerlin-encoders-ffmpeg   fuse-emulator-utils   forked-daapd  ffmpegthumbs   ffmpeg2theora   ffdiaporama   dvdstyler   dvbcut   dff   cmus-plugin-ffmpeg   cantata   bombono-dvd   blender   bino  audacious-plugins   aubio-tools   acoustid-fingerprinter  libkfilemetadata4   ffmpegthumbs   libavformat54:i386  libavformat54:i386   libavfilter3   libavformat-extra-54  libavdevice53   ffmpeg-dbg   libavformat-dev   ffmpeg  simplescreenrecorderfor  :- sudo apt-get install libavcodec54 libavdevice53 libavformat54here :- 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:  libavdevice53 :  Depends: libavcodec54 (>= 7:1.2.5~) but 6:9.16-0ubuntu0.14.04.1 is to  be installed or                            libavcodec-extra-54 (>= 7:1.2.5~) but it is not going to be installed                   Depends: libavfilter3 (>= 7:1.2.5~) but it is not going to be installed  libavformat54 : Depends: libavcodec54 (>=  7:1.2.5~) but 6:9.16-0ubuntu0.14.04.1 is to be installed or                            libavcodec-extra-54 (>= 7:1.2.5~) but it is not going to be installed E: Unable to correct problems, you have held  broken packages.I am using linux mint 17.1 cinnamon.
getting error for sudo apt-get upgrade?
linux mint;apt;upgrade