Looks like for me that pix_video does not disconnect the cameras, that is why I cannot get image back after changing device.

After turning off puredata, if not frozen and killall it, the pylon viewer cannot get image from the cameras, 0 frames and an error message.

Probably I will not need it to jump from device to device, but makes life easier if does not have to restart the computer after each new test.

On Wed, Aug 29, 2018 at 5:46 PM Csaba Láng <langcsaba@gmail.com> wrote:

gemwin behaves strange:

if I open pd from terminal with puredata command, gemwin cannot be created, but in help menu works

if doubleclick on .pd file, gemwin is created

On Wed, Aug 29, 2018 at 5:37 PM Csaba Láng <langcsaba@gmail.com> wrote:

Looks almost good, there is image from the camera

Let's see what is wrong:

• Terminal output: $ puredata
  priority 8 scheduling failed.
  open: /etc/pd/gem.conf: No such file or directory
  open: /home/is/.config/pure-data/gem.conf: No such file or directory
  open: ./gem.conf: No such file or directory
  load plugins 'film' in './'
  pattern : ./gem_film*.so
  load plugins 'image' in './'
  pattern : ./gem_image*.so
  load plugins 'image' in './'
  pattern : ./gem_image*.so
  load plugins 'image' in './'
  pattern : ./gem_image*.so
  load plugins 'model' in './'
  pattern : ./gem_model*.so
  load plugins 'record' in './'
  pattern : ./gem_record*.so
  load plugins 'video' in './'
  pattern : ./gem_video*.so
  dylib loading file './gem_videoPYLON.so'!
  not reloading 'video' plugins (already 1 loaded)
  
• gemwin cannot be created if I add it to the patch, but from help it works
• device0 gives image after creating gemwin from help: PD console: [pix_video]: backend #0='pylon'    : pylon USB usb GigE gige
  GLEW version 1.10.0
  [gemglxwindow]: Direct Rendering enabled!

with some invalid command name

(Tcl) INVALID COMMAND NAME: invalid command name ".x55e350de23c0.c"
    while executing
".x55e350de23c0.c delete 55e350de2dd0BASE0"
    ("uplevel" body line 139)
    invoked from within
"uplevel #0 $docmds"

Not sure if important

• trying to change the input from device0 to device1 - which only at the very first time managed to do, no image from the 2nd camera, and coming back to device0:watchdog: signaling pd...
  watchdog: signaling pd...
  and forever like this.
  

On Wed, Aug 29, 2018 at 2:57 PM IOhannes m zmoelnig <zmoelnig@iem.at> wrote:

On 2018-08-29 13:30, Csaba Láng wrote:
> GEM: Graphics Environment for Multimedia
> GEM: ver: 0.93.git 3550ede3
> GEM: compiled  on Aug 29 2018
>
> $ ls -l Gem.pd_linux gem_videoPYLON.so
> -rwxr-xr-x 1 root root 85108760 sie 29 12:24 Gem.pd_linux
> -rwxr-xr-x 1 root root   903600 sie 29 12:24 gem_videoPYLON.so

ok. looks good.

so what's the full output on the console (not the Pd-console, but your
terminal!).

fgsdmrt
IOhannes

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