Carla locale issue

[grejppi]

The good ol' decimal comma used in certain locales seems to cause stuff like the internal audio and midi ports being missing from the Carla Patchbay, and this terminal output which may give away the issue:

Trying to start carla-plugin using "/usr/local/share/carla/resources//carla-plugin-patchbay"
LRDF Support not available (LADSPA-RDF will be disabled)
Using "carla" theme
Carla 1.9.5 (2.0-beta3) started, status:
  Python version: 3.4.0
  Qt version:     4.8.6
  PyQt version:   4.10.4
  Binary dir:     /usr/local/lib/carla
  Resources dir:  /usr/local/share/carla/resources
Traceback (most recent call last):
  File "/usr/local/share/carla/resources/carla_host.py", line 1002, in timerEvent
    self.host.engine_idle()
  File "/usr/local/share/carla/resources//carla-plugin-patchbay", line 65, in engine_idle
    if self.fExternalUI.idleExternalUI():
  File "/usr/local/share/carla/resources//carla-plugin-patchbay", line 163, in idleExternalUI
    value3   = float(self.readlineblock())
ValueError: could not convert string to float: '0,000000'
unknown message: "Audio Input"
Traceback (most recent call last):
  File "/usr/local/share/carla/resources/carla_host.py", line 1002, in timerEvent
    self.host.engine_idle()
  File "/usr/local/share/carla/resources//carla-plugin-patchbay", line 65, in engine_idle
    if self.fExternalUI.idleExternalUI():
  File "/usr/local/share/carla/resources//carla-plugin-patchbay", line 163, in idleExternalUI
    value3   = float(self.readlineblock())
ValueError: could not convert string to float: '0,000000'
unknown message: "Input 1"
Traceback (most recent call last):
  File "/usr/local/share/carla/resources/carla_host.py", line 1002, in timerEvent
    self.host.engine_idle()
  File "/usr/local/share/carla/resources//carla-plugin-patchbay", line 65, in engine_idle
    if self.fExternalUI.idleExternalUI():
  File "/usr/local/share/carla/resources//carla-plugin-patchbay", line 163, in idleExternalUI
    value3   = float(self.readlineblock())
ValueError: could not convert string to float: '0,000000'
unknown message: "Input 2"
Traceback (most recent call last):
  File "/usr/local/share/carla/resources/carla_host.py", line 1002, in timerEvent
    self.host.engine_idle()
  File "/usr/local/share/carla/resources//carla-plugin-patchbay", line 65, in engine_idle
    if self.fExternalUI.idleExternalUI():
  File "/usr/local/share/carla/resources//carla-plugin-patchbay", line 163, in idleExternalUI
    value3   = float(self.readlineblock())
ValueError: could not convert string to float: '0,000000'
unknown message: "Audio Output"
Traceback (most recent call last):
  File "/usr/local/share/carla/resources/carla_host.py", line 1002, in timerEvent
    self.host.engine_idle()
  File "/usr/local/share/carla/resources//carla-plugin-patchbay", line 65, in engine_idle
    if self.fExternalUI.idleExternalUI():
  File "/usr/local/share/carla/resources//carla-plugin-patchbay", line 163, in idleExternalUI
    value3   = float(self.readlineblock())
ValueError: could not convert string to float: '0,000000'
unknown message: "Output 1"
Traceback (most recent call last):
  File "/usr/local/share/carla/resources/carla_host.py", line 1002, in timerEvent
    self.host.engine_idle()
  File "/usr/local/share/carla/resources//carla-plugin-patchbay", line 65, in engine_idle
    if self.fExternalUI.idleExternalUI():
  File "/usr/local/share/carla/resources//carla-plugin-patchbay", line 163, in idleExternalUI
    value3   = float(self.readlineblock())
ValueError: could not convert string to float: '0,000000'
unknown message: "Output 2"
Traceback (most recent call last):
  File "/usr/local/share/carla/resources/carla_host.py", line 1002, in timerEvent
    self.host.engine_idle()
  File "/usr/local/share/carla/resources//carla-plugin-patchbay", line 65, in engine_idle
    if self.fExternalUI.idleExternalUI():
  File "/usr/local/share/carla/resources//carla-plugin-patchbay", line 163, in idleExternalUI
    value3   = float(self.readlineblock())
ValueError: could not convert string to float: '0,000000'
unknown message: "Midi Input"
Traceback (most recent call last):
  File "/usr/local/share/carla/resources/carla_host.py", line 1002, in timerEvent
    self.host.engine_idle()
  File "/usr/local/share/carla/resources//carla-plugin-patchbay", line 65, in engine_idle
    if self.fExternalUI.idleExternalUI():
  File "/usr/local/share/carla/resources//carla-plugin-patchbay", line 163, in idleExternalUI
    value3   = float(self.readlineblock())
ValueError: could not convert string to float: '0,000000'
unknown message: "events-out"
Traceback (most recent call last):
  File "/usr/local/share/carla/resources/carla_host.py", line 1002, in timerEvent
    self.host.engine_idle()
  File "/usr/local/share/carla/resources//carla-plugin-patchbay", line 65, in engine_idle
    if self.fExternalUI.idleExternalUI():
  File "/usr/local/share/carla/resources//carla-plugin-patchbay", line 163, in idleExternalUI
    value3   = float(self.readlineblock())
ValueError: could not convert string to float: '0,000000'
unknown message: "Midi Output"
Traceback (most recent call last):
  File "/usr/local/share/carla/resources/carla_host.py", line 1002, in timerEvent
    self.host.engine_idle()
  File "/usr/local/share/carla/resources//carla-plugin-patchbay", line 65, in engine_idle
    if self.fExternalUI.idleExternalUI():
  File "/usr/local/share/carla/resources//carla-plugin-patchbay", line 163, in idleExternalUI
    value3   = float(self.readlineblock())
ValueError: could not convert string to float: '0,000000'
unknown message: "events-in"

(Launching LMMS with LANG=C /path/to/lmms is a workaround until this is addressed)

[falkTX]

This was fixed some time ago in Carla. Are you sure you're using the latest git/dev version?

In any case I'll say this again, please report Carla issues upstream to the Carla project, not LMMS!
https://github.com/falkTX/Carla/

LMMS devs, please close all Carla issues reported against LMMS.
Users should be reporting issues to the proper place.

[grejppi]

Sure. LMMS specific ones too?

[falkTX]

LMMS specific ones maybe not (like API changes breaking build), but everything else should be "closed, won't fix, invalid".

Note that I don't receive notifications about LMMS issues until someone's writes @falkTX.

[tresf]

Note that I don't receive notifications about LMMS issues until someone's writes @falkTX.

We'll continue doing that so you only receive notifications on reports that pertain to you. Sorry we missed the tag in this one.

-Tres