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Date:      Tue, 21 Oct 1997 19:27:11 -0700
From:      Amancio Hasty <hasty@rah.star-gate.com>
To:        lamaster@george.arc.nasa.gov
Cc:        freebsd-multimedia@FreeBSD.ORG
Subject:   Re: fxtv 0.45 and/or Bt848 driver 
Message-ID:  <199710220227.TAA03735@rah.star-gate.com>
In-Reply-To: Your message of "Tue, 21 Oct 1997 10:17:47 PDT." <199710211717.KAA14453@george.arc.nasa.gov> 

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Well, 
My old vic-2.7 still works with the bt848 driver.

Please make sure that you have :
cd /dev
ln -s meteor btkr
ln -s meteor0 bktr0

If it still does not work please let me know.

Also on http://www.freebsd.org/~ahasty/Bt848.html

There is a version of grabber-meteor.cc for vic-2.8  which supports both
the matrox and bt848 driver by basically locating /dev/bktr and /dev/meteor
no other bt848 specific ioctl was added.

Try 16bit color depth with fxtv and your X setup.

	Amancio

> 
> Well, I had a little time to experiment with the Bt848 driver/fxtv 
> this weekend/yesterday, so, since I understand that fxtv-0.45 and
> the updated Bt848 driver are in the 2.2.x and 3.0-current source trees,
> I upgraded to the latest (late Saturday) 2.2 RELENG, soon to be 2.2.5.
> I wanted to test the soon-to-be-2.2.5 release wrt the Bt848.
> It appeared to have updated fxtv and bt848 drivers.  I did a 
> "make world" overnight, it worked, and fxtv and video in worked.
> 
> 
> A few complications.
> 
> [Of course, I ran into the same "TVSetChannel" problem, but, 
> that was easily fixed by the advice on "freebsd-multimedia".]  
> 
> Somewhere in all the upgrades, [I freely admit that during upgrades
> operator error is a possibility}, I have experienced two new problems.
> 
> First, the vic 2.8 framegrabber no longer seems to detect the Bt848, 
> as it did before, so, I can't do video input to vic.   Was a change
> to vic required to support the modified driver?  It was working
> Saturday (I checked), before the cvsup and "make world".  Are there 
> any modifications to the vic source needed to go with the latest 
> driver?  As I said, this was working before the upgrade, and I did
> not upgrade vic, so the change would have had to have been in 
> cvsup'ed system source or in one of the /usr/ports dependent libraries, 
> some of which may have been updated since vic was last built.
> 
> Now, fxtv-0.45 works in 8-bit color mode (I was expecting a somewhat
> different user interface from fxtv-0.44, but it looks the same to me -
> do I have an X resources problem?), although, fxtv seems to ignore the 
> channel selection X resources that I had set before (but, you can go up 
> and down one-channel-at-a-time) in the channel space.  Was there an 
> announcement of new X resources to set/handle the channels?  Is there 
> another way to do this now - I saw no menu.  In any case, I assume that 
> all this will sort itself out over time and has nothing to do with
> the driver changes.
> 
> The other, potentially serious, problem is that in (32-bit) 
> Truecolor (using an ATI Graphics Xpression), a large horizontal
> band of what appears to be every-other line (e.g. even or odd?) 
> is messed up.  I don't have the exact dimensions, but, I would 
> say that this band goes perhaps from lines ~120 to ~300 on the
> displayed video image.  Now, I did see  a similar effect before 
> with 2.2.2-RELEASE and fxtv-0.43 or -0.44 (somewhere in the 
> June-August timeframe), and, after recompiling and reinstalling 
> everything in September, it mysteriously went away.  But, now 
> the problem is back.  I tried cleaning, deleting, and reinstalling 
> from port source, a few things, but, it made no difference.
> 8-bit color mode still works fine.
> 
> I also tried running the old fxtv, which I had squirreled away,
> and, it produced some error messages and wouldn't run.  I have
> not tried reinstalling the old driver, because, I think there
> is some new ioctl or something the new fxtv needs.  But, if
> I'm wrong about that, I could try putting the old driver back.
> 
> Environment: 2.2-RELENG as of Saturday, including the now-included
> Bt848 driver, which appears to have been updated properly (previously,
> I had the ~June driver hand-installed), fxtv-0.45, ATI Graphics
> Xpression, XFree86 3.3.1, using the Mach64 X server.
> 
> 
> So, anyway, has anyone else tried the almost-2.2.5 release 
> with fxtv-0.45 using the X server in truecolor mode, and, 
> if so, anything odd?  It may have something to do with the
> relatively slow ATI card, but, it was working since early
> September using 2.2.2, fxtv-0.44, and the (June?) driver.
> 
> 
> -Hugh LaMaster
> 
> 
> 
> 
>   Hugh LaMaster, M/S 258-5,     ASCII Email:  hlamaster@mail.arc.nasa.gov
>   NASA Ames Research Center     Or:           lamaster@nas.nasa.gov
>   Moffett Field, CA 94035-1000  No Junkmail:  USC 18 section 2701
>   Phone:  415/604-1056          Disclaimer:   Unofficial, personal *opinion*.
> 





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