I don't know about CppSound, but the callbacks work fine
with the Csound class.

Victor
----- Original Message ----- 
From: "Chuckk Hubbard" 
To: 
Sent: Monday, October 27, 2008 2:45 PM
Subject: [Csnd] Re: Re: Re: Re: Re: Re: Querying available audio devices


> Using CppSound instead of Csound, the cs.Compile() line gives me a
> segmentation fault and crashes the interpreter.
> For me, Csound messages print to the interpreter terminal by default;
> I haven't yet been able to stop them.
> I used this:
>
> import csnd
> csdlog = ''
> def csdsave(s):
>    global csdlog
>    csdlog += s
>
> cs = csnd.CppSound()
> cs.PreCompile()
> cs.SetMessageCallback(csdsave)
> cs.Compile("test.csd")
>
> Python exits.
> -Chuckk
>
> On Mon, Oct 27, 2008 at 3:39 PM, victor  wrote:
>> Works here:
>>
>> import csnd
>> cs = csnd.Csound()
>>
>> cs.PreCompile()
>>
>> def somefunc(s):
>>    print s
>>
>> cs.SetMessageCallback(somefunc)
>>
>> cs.Compile("test.csd")
>>
>> ... messages get printed to the interpreter terminal
>>
>>
>> Victor
>>
>>
>>
>>
>> ----- Original Message ----- From: "Chuckk Hubbard"
>> 
>> To: 
>> Sent: Monday, October 27, 2008 1:18 PM
>> Subject: [Csnd] Re: Re: Re: Re: Querying available audio devices
>>
>>
>>> More precisely, I get:
>>>
>>>>>> cs.SetPythonMessageCallback(csdlog)
>>>
>>> Traceback (most recent call last):
>>>  File "", line 1, in 
>>>  File "/usr/lib/python2.5/csnd.py", line 1737, in 
>>> SetPythonMessageCallback
>>>   return _csnd.Csound_SetPythonMessageCallback(*args)
>>> AttributeError: 'module' object has no attribute
>>> 'Csound_SetPythonMessageCallback'
>>>
>>>
>>> Looking a little closer it looks like that's actually a problem, not
>>> just me doing the wrong thing.  I'll try replacing my csnd.py and
>>> _csnd.so files.
>>> -Chuckk
>>>
>>> On Mon, Oct 27, 2008 at 3:08 PM, Chuckk Hubbard
>>>  wrote:
>>>>
>>>> The closest I have available is .setPythonMessageCallback() for
>>>> CppSound, and .SetPythonMessageCallback() for Csound class.
>>>> .SetPythonMessageCallback() somehow can't find the attribute, although
>>>> it is listed with dir(CppSound) and help(CppSound), and
>>>> .setPythonMessageCallback() takes 1 argument (self), won't take a
>>>> function as argument.
>>>>
>>>> -Chuckk
>>>>
>>>> On Mon, Oct 27, 2008 at 2:53 PM, victor  
>>>> wrote:
>>>>>
>>>>> Use the Csound() (or derived) class and the 
>>>>> Csound::SetMessageCallback()
>>>>> method.
>>>>>
>>>>> the callback should be something like
>>>>>
>>>>> def  mcallback(s):
>>>>>  # s is a string
>>>>>  # e.g. you can print it
>>>>>  print s
>>>>>
>>>>>
>>>>> cs.SetMessageCallback(mcallback)
>>>>>
>>>>>
>>>>> Victor
>>>>> ----- Original Message ----- From: "Chuckk Hubbard"
>>>>> 
>>>>> To: 
>>>>> Sent: Monday, October 27, 2008 12:04 PM
>>>>> Subject: [Csnd] Re: Re: Querying available audio devices
>>>>>
>>>>>
>>>>>> Sounds like a plan.  I'll let people choose from whichever modules 
>>>>>> are
>>>>>> available for their platform and then see the devices for whatever
>>>>>> they choose.
>>>>>>
>>>>>> I tried directing both stderr and stdout to file objects, and didn't
>>>>>> pick up the Csound output from cs.compile().  Anyone know how I do
>>>>>> that in Python?
>>>>>>
>>>>>> -Chuckk
>>>>>>
>>>>>> On Mon, Oct 27, 2008 at 11:12 AM, victor 
>>>>>> wrote:
>>>>>>>
>>>>>>> For -+rtaudio you can just check the platform OS and the
>>>>>>> modules for each are well-defined (ie portaudio and alsa for linux,
>>>>>>> etc).
>>>>>>>
>>>>>>> The only way I think is to run csound with -odac99, then parse
>>>>>>> the message output.
>>>>>>>
>>>>>>> Perhaps an API function to do this might be possible, but it
>>>>>>> will need to be implemented by the IO modules.
>>>>>>>
>>>>>>> Regards
>>>>>>>
>>>>>>> Victor
>>>>>>>
>>>>>>> ----- Original Message ----- From: "Chuckk Hubbard"
>>>>>>> 
>>>>>>> To: "Csound List" 
>>>>>>> Sent: Monday, October 27, 2008 7:54 AM
>>>>>>> Subject: [Csnd] Querying available audio devices
>>>>>>>
>>>>>>>
>>>>>>>> Is there a way to do this with the API?  To build a list of 
>>>>>>>> available
>>>>>>>> devices to show in my app?
>>>>>>>> I think it would have to know possible values for both -+rtaudio 
>>>>>>>> and
>>>>>>>> -odac, no?
>>>>>>>>
>>>>>>>> -Chuckk
>>>>>>>> --
>>>>>>>> http://www.badmuthahubbard.com
>>>>>>>>
>>>>>>>>
>>>>>>>> Send bugs reports to this list.
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>>>>>>>
>>>>>>>
>>>>>>>
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>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> http://www.badmuthahubbard.com
>>>>>>
>>>>>>
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>>>>>
>>>>>
>>>>>
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>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> http://www.badmuthahubbard.com
>>>>
>>>
>>>
>>>
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>>> http://www.badmuthahubbard.com
>>>
>>>
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>>
>>
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>
>
>
> -- 
> http://www.badmuthahubbard.com
>
>
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