Re: VS: Capturing from more than one input simultaneosly.

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Though I try to set the 4th bit (AGC_EN) of ADC interface register (0x68) to
1 (AGC disabled) according to the data sheet, AGC function seemed not to be
disabled. Any better idea? Thanks!

----- Original Message -----
From: "Alex Fiori" <alex@xxxxxxxxxxx>
To: <video4linux-list@xxxxxxxxxx>
Sent: Wednesday, January 02, 2002 10:27 PM
Subject: Re: VS:  Capturing from more than one input simultaneosly.


On Wed, 2 Jan 2002 16:26:06 -0000
Joni K <joni.kahara@xxxxxxx> wrote:

> You can't do that. Thou your cards have 4 inputs they still have
> only one video decoder chip per board. If you can manage to disable
> automatic gain control (AGC), you may be able to switch between channels
> quite rapidly, especially if "any field" (odd or even) is good enough
> for you. I may be wrong about your board having just one decoder but
> that's the way most of them are.
>
> Jonk
>

That's it, my board has only one video decoder. It is bt848-based.
Is there a simple way to disable the AGC on bttv?

> > -----Alkuperäinen viesti-----
> > Lähettäjä: video4linux-list-admin@xxxxxxxxxx
> > [mailto:video4linux-list-admin@xxxxxxxxxx]Puolesta Alex Fiori
> > Lähetetty: 1. tammikuuta 2002 23:00
> > Vastaanottaja: video4linux-list@xxxxxxxxxx
> > Aihe:  Capturing from more than one input simultaneosly.
> >
> >
> >
> > I've got two capture cards, but each one has 4 inputs.
> > I want to be able to capture all inputs simultaneosly and I
> > don't care if I lost some frames. (I believe 29/4 :)
> > Is it possible with v4l 1/2?
> >
> > --
> >    Alex Fiori
> >    Void Technologies * www.void.com.br
> >
> >
> >
> > _______________________________________________
> > Video4linux-list mailing list
> > Video4linux-list@xxxxxxxxxx
> > https://listman.redhat.com/mailman/listinfo/video4linux-list
>
>
>
> _______________________________________________
> Video4linux-list mailing list
> Video4linux-list@xxxxxxxxxx
> https://listman.redhat.com/mailman/listinfo/video4linux-list
>
>


--
   Alex Fiori
   Void Technologies * www.void.com.br

real programmers don't use visual tools...
if you C what I mean



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