1) install v4l-dvb with new API, eg s2-liplianin ('http://mercurial.intuxication.org/hg/s2-liplianin/')
2) update the database with file 'dtv_multiplex.sql'
3) apply patch 's2api.01.patch' in 'mythtv' directory (patch -p0 < [folder with patch]/s2api.01.patch)
4) configure mythtv with option --dvb-path (eg './configure --dvb-path=/usr/local/src/s2/linux/include')
5) make, make install