[mythtv] Re: ATI AIW support

Yap Ee Huey mythtv-dev@snowman.net
Sat, 14 Sep 2002 16:18:08 +0000

Hi Taylor,

Do you mean that AIW cannot watch and recording different channels
at the same time while other cards can ? Also, does mythtv work
*only* on a system that has KDE 3 installed ?


>From: Grant Taylor <gtaylor@picante.com>
>Reply-To: mythtv-dev@snowman.net
>To: mythtv-dev@snowman.net
>Subject: Re: [mythtv] Re: ATI AIW support Date: Wed, 11 Sep 2002 10:27:32 
> >>>>> mythtv-dev@snowman.net writes:
> > On Tuesday 10 September 2002 08:14 pm, Paul Jara wrote:
> >> However, I can confirm the findings of Brad Davis that MythTV does not
> >> work yet on the ATI All in Wonder series.
>Yes.  Take back your AIW, or sell it, or something; it won't work as a
>complete mythtv card, and it also won't work if you buy a bttv card to
>use with it in lieu of the onboard tuner - the two are incompatible.
>It's not obvious that the card will accept pci dma streams into its xv
>port from an outboard tuner, certainly it didn't ever work for me
>after no end of fiddling.
>The AIW will work as a watch live tv card, and the tv out will work on
>most of the models.  The xserver supports xvideo, so you could play
>existing video.
> > I wouldn't think it'd be all that difficult to do.
>It may be possible to capture one thing as yuv and play another
>through xv on an aiw, but the current drivers are not set up to do
>that.  The only way to capture is to view an xvideo window of
>something and then use a v4l subset interface to capture that window
>(in the api it appears to be specified by xv port number, so you're
>capturing the unscaled yuv input).  One tunes through the X server
>using an extension of the xvideo api.
>The hardware can probably(tm) be told to tune into unused video ram,
>and one can probably capture from that ram without involving the xv
>scaler hardware, but the gatos guys are concentrating on writing their
>own userspace apps (a tcl-based marginal improvement over xawtv)
>instead of working toward v4l normalcy.
>It's a real pity; a one-card solution for mythtv would be pretty
>swell.  Maybe someday as gatos matures...
>Grant Taylor - gtaylor<at>picante.com - http://www.picante.com/~gtaylor/
>    Linux Printing Website and HOWTO:  http://www.linuxprinting.org/
>mythtv-dev mailing list

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