Fwd: Re: Hauppage with camera

Robert Olson olson at mcs.anl.gov
Thu Sep 23 13:20:30 CDT 1999


FYI.

>Resent-Date: 23 Sep 1999 18:11:25 -0000
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>MBOX-Line: From video4linux-list-request at redhat.com  Thu Sep 23 14:11:22 1999
>Date: Thu, 23 Sep 1999 11:11:16 -0700 (PDT)
>From: Erik Walthinsen <omega at cse.ogi.edu>
>To: video4linux-list at redhat.com
>Subject: Re: Hauppage with camera
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>On Thu, 23 Sep 1999, Bruno Lopes F. Cabral wrote:
>
> > but, again, NO colors :( is this a NTSC or PAL device? I tried both, 
> anyway,
> > PAL gets mungled, NTSC brings me B&W images
>
>What I've heard is that the S-Video cable is kinda funky.  S-Video cable
>are supposed to have separate luma and chroma lines, but this cable either
>merges the two when connecting to the camera, or sends the composite
>(luma+chroma) signal only to the luma line on the connector. Since luma
>and chroma are always at different frequencies, they don't collide.
>
>However, the various drivers have to do something to the bt8x8 (GPIO?)
>configuration to make it understand that the S-Video port is really
>getting a composite signal.  Once this is done (I think some of the
>drivers have this correct), you'll properly get a color signal.
>
>In the mean-time get a RCA cable and connect the camera to the card via
>that, using the S-Video cable that came with it for nothing but power.
>That's what I've been doing, and though it's ugly, it works.
>
>TTYL,
>     Omega
>
>          Erik Walthinsen <omega at cse.ogi.edu> - Staff Programmer @ OGI
>         Quasar project - http://www.cse.ogi.edu/DISC/projects/quasar/
>    Video4Linux Two drivers and stuff - http://www.cse.ogi.edu/~omega/v4l2/
>         __
>        /  \             SEUL: Simple End-User Linux - http://www.seul.org/
>       |    | M E G A           Helping Linux become THE choice
>       _\  /_                          for the home or office user
>
>
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