[PD-dev] midiout

[Paulo Casaes]

Just to chime in, I was able to get midiout to send sysex data to a 
micro korg using midiout on Os X. What i discovered was that I had to 
put a 1ms delay between every byte or message being sent to midiout.

p

On 27/10/2010 09:36, Martin Peach wrote:
> On 2010-10-27 06:10, Enrique Vetere wrote:
>> Hi.
>> I've been trying to use midiout but it does not work when sending sysex
>> because it sends 1 byte at a time.
>> Chatting with matju on #irc where he showed me the source code, I think
>> the problem is that midiout uses ultimately sys_alsa_putmidibyte to send
>>
>> snd_seq_ev_set_sysex(&ev,1,&data)
>>
>> one byte at a time
>>
>> So we thought about writing an external that uses alsa-midi functions
>> and he guided me the first steps.
>> Now, the problem is that this external would need access to structure
>> midi_handle, and variables alsa_midioutfd and alsa_nmidiout which are
>> defined in s_midi_alsa.c (because creating and opening ALSA ports is
>> handled there). The functions provided by s_midi are not good enough as
>> I need to
>>
>> snd_seq_ev_set_sysex(&ev, data_array_size,data_array)
>>
>> So my question is: is it possible to write such external? or I need to
>> patch the sources?
>
> IMHO this is a bug, so you should patch the source, then submit the 
> patch to the tracker. Also it seems to bug differently on different 
> OSs, only linux uses alsa. Pd's sysex implementation didn't work 
> properly on WIN32 either last time I checked.
>
> Martin
>
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