For Vlc, one can make an m3u for selecting from multiplexes, e.g. (Stockland Hill)
dvb-t://frequency=514200000 # bbca
dvb-t://frequency=490200000 # d3+4
dvb-t://frequency=538200000 # bbcb
dvb-t://frequency=505800000 # com4
dvb-t://frequency=481800000 # com5
dvb-t://frequency=529799999 # com6