Hi,
You could use ffmpeg to convert video files into MPEG-TS Format. A full-featured-DVB-Card support PAL like 704×576 (4cif)
#> ffmpeg -i myvideo.mp4 -f mpegts -vcodec mpeg2video -aspect 16:9 \ -sameq -s 4cif -acodec mp2 -ar 48000 -ab 192k 00001.ts
Cu, Andreas