[mpeg2] Re: Color quality ,when using Kfir1

["Juergen Weiss" <weiss@uni-mainz.de>]

There is the saa7113 manual from Philips. This chip
is responsible for the video analog to digital 
conversion (VAD). Some parameters seem to be settable
through the video for linux interface. Don't know
how, because I use the card with FreeBSD.

Juergen Weiss	  | Universitaet Mainz, Zentrum fuer Datenverarbeitung,
weiss@uni-mainz.de| 55099 Mainz, Tel: +49(6131)39-26361, FAX:
+49(6131)39-26407


> -----Original Message-----
> From: Deepak S Kotian [mailto:dkotian1@rediffmail.com] 
> Sent: Wednesday, October 02, 2002 2:19 AM
> To: Juergen Weiss
> Cc: mpeg2@linuxtv.org
> Subject: [mpeg2] Re: Color quality ,when using Kfir1
> 
> 
> 
> Hi,
> 
>      Thanks for the information.
>      Could you please elaborate more on this.
>      Are these VAD parameters initialization parameters
>      for color in kfir.
>      Any suggested value to be set.
>      Can I please get some more information
>      on this
> 
> 
> Thanks and Regards
> Deepak
> 
> 
> 
> On Tue, 01 Oct 2002 Juergen Weiss wrote :
> >There are several parameters for the video analog to digital
> >conversion done by the saa7113 (?) chip. The all have VAD
> >in their names. For example brightness, contrast, hue etc.
> >There are some filters in the saa chip as well as in the
> >kfir.
> >
> >Juergen Weiss	  | Universitaet Mainz, Zentrum fuer 
> >Datenverarbeitung,
> >weiss@uni-mainz.de| 55099 Mainz, Tel: +49(6131)39-26361, FAX:
> >+49(6131)39-26407
> >
> >
> > > -----Original Message-----
> > > From: Deepak S Kotian [mailto:dkotian1@rediffmail.com]
> > > Sent: Sunday, September 29, 2002 11:27 AM
> > > To: mpeg2@linuxtv.org
> > > Subject: [mpeg2] Color quality ,when using Kfir1
> > >
> > >
> > > Hi,
> > >
> > >    I have observed the Color quality is a bit less
> > >    rich compared to the orignal source.
> > >    Can make out easily, when the orignal source and
> > >    kfir decoded output source is seen in seperate
> > >    TVs side by side.
> > >
> > >    Is there any parameters than can be set to improve
> > >    the quality of the Kfir1 driver.
> > >    Any pointers on this would be highly appreciated.
> > >
> > > Thanks and Regards
> > > Deepak
> > >
> > >
> > >
> > >
> > >
> >
> >Juergen Weiss	  | Universitaet Mainz, Zentrum fuer 
> >Datenverarbeitung,
> >weiss@uni-mainz.de| 55099 Mainz, Tel: +49(6131)39-26361, FAX:
> >+49(6131)39-26407
> >
> >
> > > -----Original Message-----
> > > From: Deepak S Kotian [mailto:dkotian1@rediffmail.com]
> > > Sent: Sunday, September 29, 2002 11:27 AM
> > > To: mpeg2@linuxtv.org
> > > Subject: [mpeg2] Color quality ,when using Kfir1
> > >
> > >
> > > Hi,
> > >
> > >    I have observed the Color quality is a bit less
> > >    rich compared to the orignal source.
> > >    Can make out easily, when the orignal source and
> > >    kfir decoded output source is seen in seperate
> > >    TVs side by side.
> > >
> > >    Is there any parameters than can be set to improve
> > >    the quality of the Kfir1 driver.
> > >    Any pointers on this would be highly appreciated.
> > >
> > > Thanks and Regards
> > > Deepak
> > >
> > >
> > >
> > >
> > >
> >
> >
> 
> 
> 
>