[linux-dvb] Re: osd for nova ?

[Holger Waechtler <holger@convergence.de>]

Hi,

sschmidt wrote:
> 
> *********** REPLY SEPARATOR  ***********
> 
> On 09.10.02 at 10:17 Holger Waechtler wrote:
> 
> 
>>sschmidt wrote:
>>
>>>By accident i have send to the wrong adress. :-) So there is the
>>
>>original:
>>
>>>*****
>>>Maybe this:
>>>http://df-gp.sourceforge.net/
>>>is also a good starting point. A bit limited to MGA Cards but who knows.
>>
> 
>>>*****
>>
>>I don't see a point why it should be limited to Matrox cards. Any card 
>>that's well supported by DirectFB and can do either PAL resolution or 
>>hardware accelerated stretchblits should work fine. Using the SDL 
>>backend you can even render into an X11 window...
> 
> 
> Simply because they have only patched the MGA driver vor syncing. :-) 

AFAIK the sync patch is only required to keep thy system load low when 
waiting for vertical retrace. DoK's patch lets the waiting process sleep 
until the retrace interrupt occurs.


> DVB is at the moment interlaced. TV-Out should be, at least in germany,
> also interlaced. You have to sync source and destination if you don't like
> to buffer the stream.

You can let do DirectFB do the deinterlacing for you. I don't know if 
this works on all graphics cards, maybe this is for now only supported 
on some ones...

Holger



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