[PD] midi-out problem in jack/alsa

[IOhannes m zmölnig]

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Raphael Raccuia wrote:
> Hi,
> I'm new on the list, and working with PD from a couple of years...
> 
> I'm on linux, Ubuntu Studio 9.10 and Fedora 10 / planet CCRMA
> 
> I have some troubles on latest vanilla version in repos (0.41):
> 
> All the midi-out objects do the same: no problem to set midi channel and
> CC or Note number, but for each value change, I get in jack:
>    ALSA: connection graph change
> and the buttons in alsa-midi tab flash shortly... but 128 time if I push
> up a CC fader for example!

i noticed something like that very recently as well.
i had no time to investigate what is going on here, but i seem to
remember that i was able to make it without connection-graph-changes as
well (read below)

> Something else: PD seems to eat a lot of CPU when connected with

"something else" is bad for replying. better to send an email for each
unrelated question you have...

> -I noticed some bugs (or will be enhancement?):
> when closing a patch (ctrl+w or mouse), dialog opens behind others (top
> of PD main)... When 10 (sub)patches are opened it's something boring...

well known "feature" of Pd; should go away with the gui-rewrite
currently undertaken.

> -when PD opens, it connects everything in jack, not just I/O, same in
> midi-connections... Maybe it's too much?
> 

that was definitely meant as a feature.
since i noticed pretty soon that it can be avoiding as well (esp. when
autoconnecting to the MIDI-thru), there is also a workaround: if you
tell Pd to create to alsaseq ports (even if you only use one of them),
it will not try to autoconnect.

this might also have been the "solution" to the connection-graph-change
problem.


mfgasdr
IOhannes

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