[LAU] Problem uploading sysex data to hardware synth

[Paul Davis]

JACK does not "grab" anything except *raw* MIDI ports and even then only if
-Xraw is used, which is a bad idea to begin with.


On Sat, May 4, 2013 at 11:06 AM, Brent Busby <brent at keycorner.org> wrote:

> On Fri, 3 May 2013, Neil C Smith wrote:
>
>  On 3 May 2013 19:44, "Brent Busby" <brent at keycorner.org> wrote:
>>
>>> Is there any way to do this kind of raw Alsa access with jackd going?
>>>
>>
>> You might be able to use the vir-midi module for this. I looked into this
>> to help someone get JACK MIDI into Praxis. Should work for output too.
>>
>> Bit more about what I did here -
>> http://code.google.com/p/**praxis/issues/detail?id=31<http://code.google.com/p/praxis/issues/detail?id=31>
>>
>
> I checked into this, and unless I'm misunderstanding what the module does,
> it doesn't look like it will help.  It seems to provide a virtual port for
> OSS apps to be able to access the Alsa sequencer ports.  The problem is
> amidi is already a native Alsa program, but it can't access the hardware
> ports because Jack has already grabbed them.  It's not an OSS versus Alsa
> issue, but just that the device is exclusively in use.
>
> It almost seems like what we need is some kind of Jack-aware amidi
> command...
>
>
> --
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> + Materials Research Ctr +  we know this is not true." -Robert Wilensky
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