[PD] [pix_write] crashing Pd-Extended

Richie Cyngler via Pd-list pd-list at lists.iem.at
Mon Jun 23 03:04:02 CEST 2014

Hi IOhannes,

I was referring to the message that comes with this version of Pd-X.
>From the console: *WARNING: 64-bit builds are still beta, some libraries
are known to have serious issues (cyclone, maxlib, moonlib, moocow, pdp,
bsaylor, etc.) For more info, see the README.txt in '64-bit-warning-plugin'
in the Help Browser*

Thanks for your help I followed your instructions and found that I have
both gem_imageTIFF.so and gem_imageMAGICK.so so I disabled gem_imageTIFF.so
and now Pd no longer crashes however "GEM: Unable to save image..." with
[pix_write]. I tried [pix_writer] but it doesn't respond to a [file <name>(
or a [bang( and there is no help that I can find. Would you mind explaining
how to use [pix_writer] please. Then if I can get it working I'd be happy
to write a help patch for it.


On Wed, Jun 18, 2014 at 5:06 PM, IOhannes m zmölnig <pd-list at lists.iem.at>

> On 06/18/2014 02:58 AM, Richie Cyngler via Pd-list wrote:
> > Hi all,
> >
> > No matter what I try I can't get [pix_write] to do much more than create
> > corrupted .tiffs that won't open or just crash Pd. Looks like it's
> missing
> > gem.conf?
> >
> > open: /etc/pd/gem.conf: No such file or directory
> > open: /home/research/.pd/gem.conf: No such file or directory
> > open: ./gem.conf: No such file or directory
> > pd: tif_dirwrite.c:2084: TIFFWriteDirectoryTagCheckedRational: Assertion
> > `value>=0.0' failed.
> > Pd: signal 6
> >
> > Running Pd Extended 0.43.4 64 bit on Ubuntu 14.04.
> > I know the 64 bit is buggy
> why? what?
> what exactly are you referring to with "the 64th bit"?
> how is it buggy?
> > but according to my searching [pix_write] has had issues for a while?
> if it does has issues with PdX-0.43.3 then it will have these issues
> forever. i don't think anybody will make a bugfix version of this PdX
> release ever...rather a new shiny PdX-0.45.6 might come out...
> in any case:
> - [pix_write] is deprecated in favour of [pix_writer] (which takes the
> incoming PIX to write, rather than creating a snapshot of the current
> framebuffer). the deprecation happened because [pix_write] is flawed by
> design rather than any bugs.
> - which imageplugins are you using? search for files called
> "gem_image*.so" in your extra/Gem/ folder.
> if you have both gem_imageTIFF.so and gem_imageMAGICK.so try disabling
> one of them (just rename it to something not starting with "gem_" && not
> ending with ".so, e.g. gem_imageTIFF.so.disabled) and see if it helps;
> if not try disabling the other one. the MAGICK plugin should be the
> preferred one.
> fgamsdr
> IOhannes
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