[mythtv] Teletext and /or subtitles in myth

Joaquín Lago Pérez jlago at ipsistemas.com
Mon Jan 31 03:11:08 EST 2005


Now that i have my system working more or less OK (Pundit-R, PVR-250, 
PAL system in Spain, mythtv from cvs -22-01-2005 and the last ivtv 
driver), I would like to get the teletext show in myth. My main interest 
is for teletext subtitles, with here are shown in page 888 of teletext.
Two questions, for anybody who can help in any way:

- There is an option inside the config screens of myth, that let you use 
subtitles in "PAL Teletext". Does anybody if this works for teletext 
subtitles, sent into page 888, and how to config it? As far as I know, 
this was only available for "closed Caption" subtitles, but not the ones 
in page 888 of teletext, but the name now seems something different.

- From the ivtv driver, now I assume that vbi data is inserted into the 
datastream from /dev/video0  From some time ago, mythtv has been updated 
with some patches that let it record the vbi data into the mpeg file 
myth handles. So the last thing needed is to show the teletext on 
screen. I want to work some time on it (well.... not much free time, i 
must say....), but I will appreciate any help from somebody who knows 
how to do it. In particular, I will appreciate any information of the 
different approaches I can take to show subtitles on myth (OSD, synch 
issues, in which module to work...)

Thanks everybody for your help.



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