Mine

tzap -c /home/phoinix/dvbt/ert.conf CINE+ &
sleep 3
dvbstream -o -ps 512 640 | mplayer -stop-xscreensaver -cache 2048 -vf pp=lb - #-monitoraspect 16:10 -panscan 0.5 -

killall -9 tzap
tzap -c /home/phoinix/dvbt/ert.conf SPORT+ &
sleep 3
dvbstream -o -ps 513 641 | mplayer -stop-xscreensaver -cache 2048 -vf pp=lb -

killall -9 tzap
tzap -c /home/phoinix/dvbt/ert.conf PRISMA+ &
sleep 3
./dvbstream -o 514 642 | mplayer -stop-xscreensaver -cache 2048 -vf pp=lb -

killall -9 tzap
tzap -c /home/phoinix/dvbt/ert.conf PIK &
sleep 3
./dvbstream -o  515 643 | mplayer -stop-xscreensaver -cache 2048 -vf pp=lb -

killall -9 tzap