[LAD] jack_midi in jackd and jackdmp

Stéphane Letz letz at grame.fr
Fri Apr 3 16:04:30 UTC 2009

Le 3 avr. 09 à 17:05, hermann meyer a écrit :

> Hi to all
> Thats my first post to the dev list, first I wont to say hello, and
> sorry for my bad english. I try to do my best to make it readable for
> you.
> So,. .  I try to build a jack_midi output port and I get the stuff
> working with jackd(1).
> But my test's with jackdmp end up with crash's (segfaults).
> I realise that's because the needed buffer recived from
> jack_port_get_buffer(midi_output_ports, nframes) is == 0 when I run
> jackdmp-1.9.2. jackd gives me a buffer from 480.
> I 'am only be able to protect the port for crash's but I can't figure
> out what I make wrong.
> I try and I try and I try, but I can't get now . . .
> It would be realy great if someone from the list here is willing to  
> have
> a lock at my source and give me a hint to drive me in the right
> direction.
> My (uggly) sources are here :
> http://apps.sourceforge.net/trac/guitarix/browser/trunk/src/main.cpp
> midi_process callback start's at line 233
> regards   hermann

Hahah this famous Faust based application..

Why are you opening 2 jack clients? Can you describe what are you  
trying to so?


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