[PD] Interruption of audio / Loading sound into array

Thomas Grill gr at grrrr.org
Fri Nov 4 11:41:47 CET 2011

Hi all,
have you had a look at this:
It used to work for me, although i haven't tried for a long time (that  
is, with current pd versions)

Am 04.11.2011 um 11:26 schrieb katja:

> By coincidence I noticed an svn commit access request from Damian
> Stewart, back in 2008, where he proposes to 'implement multithreaded
> [soundfiler] read'
> (http://lists.puredata.info/pipermail/pd-dev/2008-12/012447.html).
> What has become of this? Is there any code from this project?
> [readsf~] and writesf~] are threaded, they operate in a child process.
> I guess it could not be otherwise? Because they do not intend to read
> all samples at once. Looking at the code in d_soundfile.c, I can
> understand why the whole of Pd should not be multithreaded. It is a
> lot of overhead. But [soundfiler~] read is another exceptional case
> indeed, it needs carefully scheduled loading if it is not to cause
> buffer underruns elsewhere. Such loading in portions would also mean
> the whole audiofile is not immediately available in memory. Therefore,
> the result would somehow be equivalent to the
> '[readsf~]-in-an-upsampled-patch'  trick. But, like Charles pointed
> out, it is not trivial to find an optimum. I agree Pd should better do
> this in C.
> Katja
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