RpiDATV is software for Raspberry Pi which allows to transmit DVB-S

There is an interactive menu : 
gbmenu.sh is in english
frmenu.sh is in french

All the parameters ar written in rpidatvconfig.txt
For media (Transport stream and jpeg pictures), by default there should be placed on a USB key plugged.
Folder by default could be changed with the parameter pathmedia.
If you prefere to have files on SD card you could set for example pathmedia=/home/pi
