[PD] -nogui and dsp loadbang breaks audio

[Florian Hollerweger]

Hi Hans,

Hans-Christoph Steiner wrote:
> I think I got it to work by putting a [delay 1000] between the
> [loadbang] and the [; pd dsp 1(

Thanks for your help; I have actually just come up with the same
workaround, but I was wondering whether there might be a less hacky
solution (especially since for my application a rapid startup time is
somewhat critical).

Anyone else?

best,
flo.H


> On Jan 27, 2010, at 5:56 PM, Florian Hollerweger wrote:

>> For
>>
>>     pd -nogui mypatch.pd
>>
>> I get a
>>
>>     /dev/dsp (read/write): Device or resource busy
>>     [...]
>>     audio I/O stuck... closing audio
>>
>> if, and only if, mypatch.pd contains a
>>
>>     [loadbang]
>>      |
>>     [;
>>      pd dsp 1<
>>
>> The same patch loads fine if I omit the -nogui flag. The problem can not
>> only be produced by loadbanging the DSP, but also like this:
>>
>>     pd -nogui -send "pd dsp 1" mypatch.pd
>>
>> The problem can *not* be solved by specifying further flags such as
>>     -alsa
>>     -r 44100
>>     -audiodev [...]
>>
>> as suggested at [1], [2] and possibly elsewhere. The only workaround for
>> me so far is to turn on the DSP later using a message from pdsend to
>> [netreceive].