Hmmm... now that I've had a closer look, the thread I've posted is actually about a completely different issue (wrong usage of 'long' on 64-bit Windows). Sorry for the noise!

I don't know what triggers the assertion in your case, but it's probably also fixed in the latest version of soundtouch ;-)

Christof

On Fri, 2021-01-29 at 11:21 +0100, Christof Ressi wrote:

~~~
$ pd -open soundtouch~-help.pd 
pd: AAFilter.cpp:107: void soundtouch::AAFilter::calculateCoeffs():
Assertion `length >= 2' failed.
Pd: signal
~~~

https://bugs.launchpad.net/mixxx/+bug/1402219

According to the issue thread, this has already been fixed in recent
versions of soundtouch

Thanks for the pointer. If I read correctly, Alex had troubles using a
newer version of soundtouch. So there is definitely some more work
required for making it release-ready.

Alex reported his build of [soundtouch~] works for macOS 64-bit. I'm
curious: According to the bug description, the problem is related to
pointers having a different size on 64-bit archs, so pointer arithmetic
has to take that into account. So, isn't it surprising that it works
for him, but not on Linux amd64?

Roman

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