[clug] Photo viewers?

Robert Edwards bob at cs.anu.edu.au
Thu Jun 21 05:31:33 GMT 2007

Thanks for that tip, Adam. I eventually managed (through a process of
much muddling around) to get:
xset -display :0 dpms 0 0 0
to work and the display now works more or less as I wanted it to:
  - random selection from the photo directory (symlinks to actual JPGs)
  - random cross-fade effects
  - works persistently (for hours)
  - resizes images to fill display

So it is all good. I now have a diskless (network booting) box running
Feisty (Ubuntu 7.04) with the KDE screensaver kslideshow kicking in
after 2 minutes of inactivity. Takes a little less than 4 minutes from
power-on to photo slideshow.

Happy to demo it at a CLUG meeting, if anyone is interested.


Bob Edwards.

Adam Thomas wrote:
> On Wed, Jun 20, 2007 at 10:53:57AM +1000, Robert Edwards wrote:
>> The KDE screensaver kslideshow is a lot more feature-rich (in the
>> way that I want) so would be a better starting place, but I cannot
>> seem to make KDE (3.5.2 - in Feisty) behave the way I want in terms
>> of powersaving (or not, in this case). KDE keeps trying to invoke
>> DPMS after a while (like 20 minutes) even though I have disabled
>> DPMS in my Xorg configuration - and so the screensaver just stops
>> (no more animation/changing images). If I install kde-guidance to
>> control the monitor settings, the screensaver doesn't run at all.
> We have a machine at work which we use as a status display for our
> servers which just runs an xserver and firefox. Even after turning of 
> DBMS in xorg I have to manually set screen-saver control options using 
> xset otherwise the screen will 'blank' after a timeout. I'm not sure 
> if this will help given that you want the screen saver to run but you 
> don't want the screen to 'blank'.
> I have this in the .xsession file:
> xset s noblank
> xset s noexpose
> xset s off
>> I guess not many other people are trying to "roll-your-own" photo
>> frame viewer?
>> Cheers,
>> Bob Edwards.
>> Robert Edwards wrote:
>>> David Collett wrote:
>>>> On Mon, Jun 18, 2007 at 10:01:57AM +1000, Robert Edwards wrote:
>>>>> I have tried xslideshow, but it segfaults with -animate random,
>>>>> otherwise works fine.
>>>> Sounds like a great opportunity to fix xslideshow! If you can reproduce
>>>> the segfault easily, you might be able to fix it with some debugging, or
>>>> at the very least, submit a detailed bug report to the developer.
>>>> Since I learned gdb, segfaults (in free software) stopped being annoying
>>>> and became a fun challenge instead :)
>>>> Dave
>>> It's a worthwhile challenge - I have never used gdb on code I haven't
>>> compiled myself, so I'll look there, otherwise download the source and
>>> see if I can find out what is going on. Looks like it hasn't been
>> -- 
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