Tvheadend

I need to stream to lan some video files of different formats (mpeg2, mpeg4 and so on) .
That is input stream: files, and output stream is necessary live udp multicast and/or http multicast (there can be one channel (stream) is multicast and other one is unicast simulteniously) .
And I need to correct time to time play list (add new/delete old files) without breaking/restarting streaming.
Is it possible such activity with your soft, in particular at ubuntu 14.04 server LTS (no X) x32 ?
Or do you plan to add so ?