Paul M Foster wrote:
>
> [...]
> I've also linked to Derek's excellent (but sometimes blurry) photos.
FWIW - the camera used is an Olympus D-490 Zoom. It was about $330 and
is about adequate as low-end digital cameras go. It's major drawback,
as seen in the photos, is that it's not very good in low-light
situations. Where you can effectively use the flash, or outdoors, it's
quite nice. In scenes where the lighting isn't quite sufficient or
where the flash doesn't give enough fill, the exposure time seems to be
pretty variable and some photos wind up pretty blurry. There are some
manual settings that I have yet to experiment with to see if I can
alleviate some of the exposure issues.
I'm also still trying to get used to taking photos with a digital camera
- it's very different from my 35mm film camera. The Canon Eos I
normally use gives a very nice audio & tactile feedback when the shutter
goes off, so I know when the shot's been taken. The Olympus makes a
"beep" noise, but it seems to beep just _before_ it takes the shot
rather than _while_ - so I'm usually prepping for the next shot when it
actually does the exposure and therefore wind up with big streaky
pictures as I'm moving the camera around. I'm still trying to train
myself to hold the camera still for a couple seconds _after_ the
beep... :)
The Olympus stores its photos on SmartMedia flash cards, for which I
have a "Zio!" USB reader and use the (very alpha quality, but
functional) SDDR-09 USB driver with the 2.4 kernel. All photo d/l
happened entirely under Linux. It's also supported over the serial
connection with the CVS version of gPhoto, but I've not bothered since I
have the USB reader.
--
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#!/usr/bin/perl -w
$_='while(read+STDIN,$_,2048){$a=29;$b=73;$c=142;$t=255;@t=map
{$_%16or$t^=$c^=($m=(11,10,116,100,11,122,20,100)[$_/16%8])&110;
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[$_%8]}(16..271);if((@a=unx"C*",$_)[20]&48){$h=5;$_=unxb24,join
"",@b=map{xB8,unxb8,chr($_^$a[--$h+84])}@ARGV;s/...$/1$&/;$d=
unxV,xb25,$_;$e=256|(ord$b[4])<<9|ord$b[3];$d=$d>>8^($f=$t&($d
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8^$q<<6))<<9,$_=$t[$_]^(($h>>=8)+=$f+(~$g&$t))for@a[128..$#a]}
print+x"C*",@a}';s/x/pack+/g;eval
usage: qrpff 153 2 8 105 225 < /mnt/dvd/VOB_FILENAME \
| extract_mpeg2 | mpeg2dec -
http://www.eff.org/ http://www.opendvd.org/
http://www.cs.cmu.edu/~dst/DeCSS/Gallery/
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