On Sunday 17 May 2009 04:06:04 Andy Walls wrote: > Hi, > > Thanks to a loaner PVR-350 from Hans, I've been able to implement VBI > support in the cx18 driver for non-NTSC video standards. > > If you've got a 625 line PAL, SECAM, etc, video source and can test VBI > functions on a CX23418 based card, I'd like to hear how it works. The > patches for testing are here: > > http://linuxtv.org/hg/~awalls/cx18-av-core > http://linuxtv.org/hg/~awalls/cx18-av-core/archive/tip.tar.bz2 > > I've only been able to test with PAL with VPS in field 1 line 16 and WSS > in field 1 line 23. I wasn't able to figure out how to get Teletext B > out of the PVR-350, so I'd certainly like to hear if Teletext is > working.
You can't get teletext out of the PVR-350. Only WSS and VPS. It's a hardware limitation. I don't have access to my HVR1600 this week, I'll see if I can test it next Sunday. Regards, Hans > Note: to implement Raw VBI for 625 line/50 Hz systems to extract line 23 > (WSS), I had to blank one extra line in each field. This means that > 625/50 systems will be missing 1 line from the top of each field (e.g. > line 24 won't show). I thought that was better than having the fields > move up or down around if the user turned VBI on or off. > > Regards, > Andy -- Hans Verkuil - video4linux developer - sponsored by TANDBERG -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html