[pvrusb2] PAL-Plus support

[Mike Isely]

On Fri, 7 Nov 2008, Carsten Meier wrote:

> Am Fri, 7 Nov 2008 10:49:56 -0600 (CST)
> schrieb Mike Isely <isely at isely.net>:
> 
> > The WSS information described in the wikipedia page refers to
> > additional bits encoded in the frame - in the vertical blanking
> > interval.  This is an example of VBI - which the driver doesn't
> > currently support unfortunately.
> > 
> > WSS information in the mpeg stream is a different sort of animal, but 
> > the mpeg encoder will include that as part of the byte stream.  By 
> > default it emits "4:3", but you can use a sysfs control to adjust
> > it. That's the video_aspect control I had mentioned earlier.  This
> > control should also be available in the normal V4L API via the
> > mpeg-specific V4l extended controls.
> 
> I am currently writing a TV-app (now in pre-alpha state :) ) and
> want those infos to automatically switch to the appropriate zoom mode,
> so setting those values manually doesn't help very much. I've already
> read that the VBI-support is on the to-do-list, but wasn't quite sure
> if WSS may work anyway. Are there any plans to implement it in the near
> future?

Not really.  It is a complex problem and does not have a simple 
solution, at least not yet.

  -Mike


-- 

Mike Isely
isely @ pobox (dot) com
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