[PD] slow midi on osX / pd-0.49

Lucas Cordiviola lucarda27 at hotmail.com
Tue Apr 9 22:55:41 CEST 2019

Hi Cyrille,

Yes there's an open issue for it and it is for macOS & Windows : 

Would be great if it gets fixed.

May be you spot the bug in the code?



Mensaje telepatico asistido por maquinas.

On 4/9/2019 3:29 PM, cyrille henry wrote:
> Hello,
> I noticed a change between pd-extended and pd 0.49 on OSX regarding 
> midi out.
> My test patch is a 20ms metro that send 512 random midi control change.
> This patch works perfectly under linux, with all pd version. (The 
> usb-midi device can handle it without any problem.)
> On osX, I don't have any problem with pd extended. With pd 0.49, I 
> can't send that much data. pd is buffering the midi message : when I 
> stop the metro it keep sending data for few seconds or more before the 
> buffer is empty.
> So, is there anything I can do to make 0.49 faster?
> Should I fill a bug report?
> (if you are wondering why I need to send so much midi data, it's 
> because I use a MIDI to DMX device to control a huge amount of led. I 
> use this interface for 15 years under linux, so I know there are no 
> problem on this side.)
> cheers
> Cyrille
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