Anyone look at mythtv.org for PVR? Looks really great, but if you have a non-v4l, ie, zoran based, card it's unusable (since it hinges on software encoding). Same for DV. I suppose this is realted to inablility to playback realtime while capturing even though theoretically output to a card (lavplay -p C) on one zoran while recording on DV or another zoran.
If you are interested, I have attached a bash script for up2date enabled RH7.x-RH8.0 based MythTV download/install to get you up to speed. Note: run the script like this: $ su # mkdir MythTV; cd MythTV # nohup bash ../instmyth.sh >& myth.log & so you check up on the install with tail myth.log or tail -f myth.log. It's a hack script and may bomb but should work for the most part if you machine is up2date enabled (via free registration at redhat).
instmyth.sh
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