[linux-dvb] Re: framebuffer

[Torbjörn Jansson <torbjorn.jansson@mbox200.swipnet.se>]

Christian Gmeiner <mailto:christian@visual-page.de> wrote:
>> linux-dvb-bounce@linuxtv.org <> wrote:
>>> Hi,I'm David and this is my question:
>>> 
>>> Does exist something,in DVB cards,like the framebuffer in graphic
>>> cards the way that I can overlay an image to the video signal?.
>>> 
>>> thanks.
>> 
>> Maybe the osd on fullfeatured cards can do that.
>> That's what vdr uses to overlay it's menus anyway.
> 
> I thought VDR  is using Sub-Picutres for the OSD?
> 

What do you mean by subpictures?

The osd interface I'm talking about is the one at /dev/dvb/adapter0/osd0.
You probably have to use the source for the dvb-kernel drivers to figure out
how it works and posibly vdr.

I haven't examined it closely.



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