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Date:      Thu, 17 Apr 1997 15:37:25 -0700 (PDT)
From:      Doug White <dwhite@gdi.uoregon.edu>
To:        Randall Hopper <rhh@ct.picker.com>
Cc:        multimedia@freebsd.org
Subject:   Re: Fxtv 0.4
Message-ID:  <Pine.BSF.3.96.970417152753.12573L-100000@localhost>
In-Reply-To: <19970417173536.21060@ct.picker.com>

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On Thu, 17 Apr 1997, Randall Hopper wrote:

> Oops, sorry 'bout that.

I shouldn't have said that.  24 bit mode has a new, even odder behavior
with the newer committed stuff than previously (march 24-ish).

>  |http://gdi.uoregon.edu/redscreen.gif.  It looks like the gamma correction
>  |is off in the RGB_24 case.   It says it's falling back to Ximage, btw.
> 
> Could you check your HTTP daemon or your firewall config?  I can get a to
> the telnet login on your box, but the HTTP daemon hasn't been answering
> today.  telnet to port 80 and 8080 just give me connection refused.

Sorry.  I was playing around with the driver and forgot the http server
doesn't load by default.  I'll put it on my other machine instead.  Try

http://resnet.uoregon.edu/dwhite/redscreen.gif

This was using fxtv 0.4.

> BTW, the XImage stuff is fine.  Since the driver doesn't support 32bpp
> 8-8-8 BGR DMA transfers yet, fxtv is just telling you it can't tell the
> driver to DMA straight to the video card, so it's going to drop-back and
> capture to memory first, swap the pixel bits using the CPU, and then pop
> that onto the video window using ximages.

The Mach64 is an exception.  24bit == 32bit on it, and the buffer is
GBR.  How much more off-base can we get? :)

> Please let me know what you're seeing for freeze frame and continuous and
> I'll work on ironing things out.

I'll try to describe the direct video that I get.  It's hard since I can't
capture it using xv or freezeframe (freezeframe crashes fxtv 0.3.2
in this mode!).  

It appears that the video has been black/white inverted.  Faces are black
with highlights that are speckled color.  The screen is very dim.  Turning
the brightness all the way up gives me a black screen.

I changed the memory in the machine last week, from 32 (4x8mb) to 40 megs
(2x16mb and 2x4mb edo).  I don't think that would have anything to do with
it, but a data point anyway.  I've only got 2mb of vram so I don't run in
24 bit mode, the desktop is too small.  Next month, when I have cash, I
will probably upgrade the card to 4mb. 

Doug White                              | University of Oregon  
Internet:  dwhite@resnet.uoregon.edu    | Residence Networking Assistant
http://gladstone.uoregon.edu/~dwhite    | Computer Science Major




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