Wow, Pd from the year 2000 still running! Well, the last IRIX version of Pd was 0.34, from 2001:
https://msp.ucsd.edu/Software/pd-0.34-3.irix.tar.Z
It takes arguments to set number of channels, for instance:
pd -inchannels 8 -outchannels 8
... the maximum was 8. I think it was necessary to specify the exact number of channels the interface had because there was no way for Pd to open IRIX devices with fewer of them, so that opening an 8-channel device in stereo would have failed. But I can't verify this, having no IRIX machine handy :)
Miller
On 12/20/25 3:59 AM, wgaggl1@gmail.com wrote:
I understand this is a reaaaaally old message thread but what is the solution to this problem please? I just tried to use my ADAT interface on my SGI Octane to play out more than 2 channels of audio and ran into this issue again.
ALsetchannels: invalid number of channels: 8
I’m running pd-032-irix on IRIX 6.5.22
If someone can kindly point me to the solution that would be appreciated!
And in case you can point me to a newer version compiled for IRIX that would be fantastic!
Thank you, Wolfgang
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