[PD] videoPYLON C++ update needed

[Csaba Láng]

indeed the bt at the end just missed
full log in the attachment
Thanks for pointing it out,

Popesz

On Thu, Aug 30, 2018 at 4:11 PM Christof Ressi <christof.ressi at gmx.at>
wrote:

> I think you forgot the last part:
>
> (gdb) bt
> [...paste the following outputet]
> (gdb) quit
>
> IOhannes wants to see a full backtrace. it should look like this:
> https://ftp.gnu.org/old-gnu/Manuals/gdb/html_node/gdb_42.html
>
> Christof
>
> Gesendet: Donnerstag, 30. August 2018 um 15:36 Uhr
> Von: "Csaba Láng" <langcsaba at gmail.com>
> An: Pd-List <pd-list at lists.iem.at>
> Betreff: Re: [PD] videoPYLON C++ update needed
>
> Iohannes,
>
> managed to make a crash, check the gdb log in the attachment.
> Basically there is a Segmentation Fault.
> What does it mean and how can I fix it?
>
> On Thu, Aug 30, 2018 at 12:52 AM Csaba Láng <langcsaba at gmail.com[mailto:
> langcsaba at gmail.com]> wrote:
>
> could not manage to make it crash :) jumps between devices smoothly.
> Will test it the next days, but anyway
> I big thanks to you! It looks amazing.
> Now I test with 227fps.
>
> On Thu, Aug 30, 2018 at 12:28 AM IOhannes m zmölnig <zmoelnig at iem.at
> [mailto:zmoelnig at iem.at]> wrote:On 8/29/18 11:35 PM, Csaba Láng wrote:
> >
> > The other problem is that can not identify within pd the cameras.
> > Anything I send to pix_video, fails.
> > I called the cams test1 and test2, however [device test1( does not work,
> > therefor enumerate as well or enumProp.
>
> ???
>
> > It says that a valid device is
> > needed, but f I have an image from the camera at startup the patch, why I
> > cannot enumerate it.
>
> you need a valid device for [enumProps(, but not for [enumerate(.
> you need to hook something like a [print] to the 2nd outlet of
> [pix_video] in order to get anything meaningful from these messages.
>
> >
> > unfortunately did not understand your gdb or microsleep select advices.
> > please specify
>
> Pd prints an error like "microsleep select: Interrupted system call" on
> the console before it hangs here. does something similar happen?
>
> about gdb, something like this should do the trick (i'm sure i've posted
> this before):
>
> ~~~
> $ gdb --args pd -nrt -stderr -lib /path/to/Gen /path/to/pix_video-help.pd
> [...]
> (gdb) thread apply all bt
> (gdb) run
> [...make it crash...]
> (gdb) bt
> [...paste the following outputet]
> (gdb) quit
> ~~~
>
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