this happens when I try to install this canola plugin from 3rd party repository:

/home/user # apt-get install canola2-youtube-plugin
Reading package lists... Done
Building dependency tree... Done
The following extra packages will be installed:
hildon-update-category-database libfreetype6
libglib2.0-0 libhildonfm2 libhildonmime0 libmad0
libogg0 libosso1 libtheora0 mplayer
Recommended packages:
libglib2.0-data
The following packages will be REMOVED:
osso-software-version
The following NEW packages will be installed:
canola2-youtube-plugin libmad0 libogg0 libtheora0
mplayer
The following packages will be upgraded:
hildon-update-category-database libfreetype6
libglib2.0-0 libhildonfm2 libhildonmime0 libosso1
6 upgraded, 5 newly installed, 1 to remove and 141 not upgraded.
Need to get 3546kB of archives.
After unpacking 5668kB of additional disk space will be used.
Do you want to continue [Y/n]?