First of all: Happy New Year!!!
I tried to track an issue down, that has bothered me for some time, where after I would walk away from my setup for a while, it stopped working. I use a fairly large MuBu buffer (1800 - 3600 seconds) and while audio kept working just fine, mubu.record stopped after a (non-fixed) time. I loop the recording and the issue might not show up for a few hours as well.
I tried to see if there were some hidden messages entering my tracks but that was not the case. What I do see is that the recording first becomes erratic and then it stops altogether. Sometimes it also spontaneously starts again. I recorded the intervals that were not equal to the vector length (256 samples at 44.1 khz or 5.8 ms), the first indication of an impending stop and the attached file is what I get before the recording stops altogether. There are a few stops in the file. Sometimes the recording started spontaneously again.
Stopping and starting the audio mostly helps, but not always it seems. I also see that it restarts sometimes spontaneously. What always seems to work is creating a new audio object or connecting/disconnecting a totally unrelated audio object, (the noise~ to *~ audio connection in the example works for example) that can even be in a different patcher.
A small test patch that I created experienced the same issue as the mubu.record~ in my main patch. Both the test patch and the main patch experience the issue at about (but not exactly) the same time and when starting one of them again through one of the above methods, both mubu.record~ objects (in unrelated patches) restart or stop erratic behaviour.
So I used this knowledge to make a workaround for the issue (see attached patch). It is probably not the most elegant way to do it, but it works. Still though this seems to be a MuBu bug?
Using MAX 8.1.5 (is updating already possible?)
Macbrook pro 2019 8-core
MUBU_tracking data for Forumnet.rtf (75.3 KB)
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