$sudo apt-get install ffmpeg libboost1 libtag1-dev zlib1g-devReading package lists... DoneBuilding dependency tree Reading state information... DonePackage ffmpeg is not available, but is referred to by another package.This may mean that the package is missing, has been obsoleted, oris only available from another source
E: Package 'ffmpeg' has no installation candidateE: Unable to locate package libboost1