Install mediainfo on Mint Katya

Install mediainfo on Mint Katya using the PPA releases
    Open terminal and :

sudo add-apt-repository ppa:shiki/mediainfo

press return key
in the terminal window you will see this

 B34F70C93804BEA383522B2061260473F9D8BC54

and this

 F9D8BC54

close terminal window and open the "software manager" type in the search bar
mediainfo and it will display mediainfo

now you only have to install

under Applications/Sound & Video you have Mediainfo installed.