[PD] videoPYLON C++ update needed

Csaba Láng langcsaba at gmail.com
Fri Aug 31 14:55:22 CEST 2018

Just tested it without cameras, simulating only with numbers.
Looks like the Segmentation fault is coming from somewhere else.
It is very strange as everything worked well on a Windows PC, now on Ubuntu
18.04 I get the error.

On Fri, Aug 31, 2018 at 2:42 PM Csaba Láng <langcsaba at gmail.com> wrote:

> Just in case I send you a new Segmentation Fault log.
> Here I have already no method for Gemstate.
> I send you the patches to have a better idea what I am trying to do.
> trackerping.pd is the main patch, containing filecontrol.
> after gemwin is rendered, open languagechoice.pd
> there are 2 cameras placed in the main window sending to the pd ping1 and
> pd ping2 to languagechoice.
> Basically the 2 cameras are creating one touch surface by placing them one
> above the wall facing down, the other one facing to the wall. When camera1
> gets the wall hit tells the event to camera 2 which gets the position x y
> from pix_blob. Now when the 2 cameras send to each other info about the
> presence of an object, I get the segmentation fault.
> On Thu, Aug 30, 2018 at 6:11 PM Csaba Láng <langcsaba at gmail.com> wrote:
>> I will try to rewrite my patches from scratch as the patch which was
>> simple and contained 2 pix_video with both of my usb3 cameras using 227fps,
>> but I added pix_gain, pix_background and pix_blob, looks good and smoothly
>> works. check the attachment
>> My original idea was to send gemlist from one patch to an other via the
>> send object, in this case closing the patch and opening a new one does not
>> have to switch of pix_video, and does not have to restart the device as it
>> does not work.
>> I hope i explained it clearly :)
>> On Thu, Aug 30, 2018 at 5:31 PM Csaba Láng <langcsaba at gmail.com> wrote:
>>> it is much more stable with a simple patch, however can be crashed only
>>> clicking on a [device 1( message.
>>> The crash in the log what I sent you happenes when I want to use it with
>>> pix_blob and changing the trashold in the pix_background object.
>>> On Thu, Aug 30, 2018 at 5:12 PM IOhannes m zmoelnig <zmoelnig at iem.at>
>>> wrote:
>>>> On 2018-08-30 16:48, Csaba Láng wrote:
>>>> > here you are :)
>>>> >
>>>> cool.
>>>> does it also crash if you only use a very simplistic patch without any
>>>> image processing?
>>>> (basically just [gemwin], [gemhead], [pix_video]; if you want add
>>>> [pix_texture] + [square])
>>>> gmasdr
>>>> IOhannes
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