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To: Thomas Arnold <tom@inna.net>
cc: Steve Passe <smp@csn.net>, Jamie Bowden <jamie@inna.net>,
        multimedia@freebsd.org
Subject: Re: Video Capture for FreeBSD 
In-reply-to: Your message of "Thu, 06 Mar 1997 00:49:34 EST."
             <Pine.BSI.3.95.970306004326.8815A-100000@caught.inna.net> 
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Date: Wed, 05 Mar 1997 22:18:56 -0800
From: Amancio Hasty <hasty@rah.star-gate.com>
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Try compiling rgb16 as:

cc -o rgb16 -m486 -O2 rgb.c

Good luck,
	Amancio

>From The Desk Of Thomas Arnold :
> On Wed, 5 Mar 1997, Amancio Hasty wrote:
> 
> > recompile rgb16 with debug option:
> > 
> > cc -g  -o rgb16 rgb16.c
> > 
> > Now, step thru it,
> > 
> > Until you find the system call which is giving you the headache
> 
> Welp.  Its not one call.  Its :
> 
>  for (c = 0 ; c < ROWS*COLS; c++) {
>                 b[0]= ((*rgb16 >> 7) & 0xf8);   /* r */
>                 b[1]= ((*rgb16 >> 2) & 0xf8);   /* g */
>                 b[2]= ((*rgb16++ << 3) & 0xf8); /* b */
>                 write(o, &b[0], 3);
> 
> That routine is slower then dirt!  California moves faster then it does on
> this box.  :-)   Last time ./rgb16 I ran was 18.5 seconds and the machine
> was -pasted-.  It may be I just cant use it on this box, but I can't
> beleive it is -SOOO- much slower then a Pentium box...
> 
> The Machine is an X5-133 ( 486 class ) UMC Chipset motherboard.
> 
> Any ideas or should I just upgrade the Motherboard too?  This machine is
> just our little-used Shell box and User-Page Webserver.  I wanted to give
> it a little something else to do once a minute.  :-)
> 
>      +-----------------------------------------------+
>      : Tom Arnold - No relation to Rosanne           :
>      : SysAdmin/Pres - TBI, Ltd ( inna.net )         :
>      : The Middle Peninsula's Internet Connection    :
>      +-----------------------------------------------+
>