[PlanetCCRMA] a2jmidi

Len lenb_99 at yahoo.com
Sun Jul 19 20:44:41 PDT 2009


Yes, you're right, it is easy to compile.  I was able to compile it with no problems.  

Thanks for the tip about starting automatically in jack.  I'll try that.

Len

--- On Sun, 7/19/09, Raphael Raccuia <rafael.raccuia at blindekinder.com> wrote:

> From: Raphael Raccuia <rafael.raccuia at blindekinder.com>
> Subject: Re: [PlanetCCRMA] a2jmidi
> To: lenb_99 at yahoo.com
> Cc: planetccrma at ccrma.Stanford.EDU
> Date: Sunday, July 19, 2009, 6:29 PM
> 
> 
> 
>   
>   
> 
>  
> Hi,
> 
> I used a2jmidi and it worked great, it's easy to
> compile... You can
> start it automatically in qjackctl settings (start - stop
> commands)...
> It's the only way I know to connect alsa midi to jack
> midi...
> 
> good luck
> 
> 
> 
> lenb_99 at yahoo.com
> a écrit :
> 
>   --- On Mon, 7/13/09, Len <lenb_99 at yahoo.com>
> wrote:
> 
>   
>   
>     From: Len <lenb_99 at yahoo.com>
> Subject: Re: [PlanetCCRMA] a2jmidi
> To: planetccrma at ccrma.Stanford.EDU
> Date: Monday, July 13, 2009, 11:55 PM
> 
>     
>     
>       
>         On Sun, Jul 12, 2009 at 7:53 PM, Len
> wrote:
>         
>         
>           Has anyone used the a2jmidi application? It
>           
>         
>       
>     
>     is a
>     
>     
>       
>         daemon that exposes legacy ALSA midi sequencer
>         
>       
>       applications
>       
>       
>         in the jack midi subsystem.  Since, for
>         
>       
>     
>     example,
>     
>     
>       ffado uses
>       
>       
>         jack midi, it would seem to be a nice way to
>         
>       
>     
>     connect
>     
>     
>       your
>       
>       
>         firewire midi hardware to alsa midi
> applications
>         
>       
>     
>     like
>     
>     
>       
>         hexter, whysynth, etc.  Just wondering
> since
>         
>       
>     
>     a2jmidi
>     
>     
>       has to
>       
>       
>         be compiled from source.
>         
>         
>           
>           
>         
>         Jack has a built in ALSA2JACK bridge. You can
>         
>       
>     
>     start
>     
>     
>       jackd
>       
>       
>         with the
> "-Xseq" flag to invoke it.
> Or if you are using qjackctl, go to
> Setup-->Settings Tab-->MIDI Driver
> This shall be set to "seq". Then restart your
>         
>       
>     
>     jackd.
>     
>     
>       
>         Do we really need an extra application for a
>         
>       
>     
>     built-in
>     
>     
>       
>         feature? Maybe
> I'm missing something.
> 
> Orcan
> 
>         
>       
>       I didn't realize Jack had that
> capability.  That
>       
>     
>     would
>     
>     
>       make an extra app unnecessary, for sure. 
> Thanks for
> the info.
> 
>       
>     
>     Hmm.  Actually, that doesn't seem to
> work.  The
> option doesn't appear to be available when using
> firewire
> (ffado).
> 
>     
>   
>   
> So, what happens is that my hardware midi ports are only
> available under the (jack) MIDI tab in qjackctl, but ALSA
> midi clients are only accessible under the ALSA midi
> tab.  There is a MIDI THRU under the ALSA tab, but I
> still can't see a way to connect the hardware midi (JACK
> midi) to ALSA midi clients.  What am I missing?
> 
> Here's what the ffado site has to say (this was the
> reason for my original post).
> 
> Q: Why doesn't MIDI work?
> 
> A: FFADO uses jack-midi, not ALSA midi. Therefore it only
> works with jack-midi enabled applications. You can use a
> 'bridge' application named a2jmidi to translate
> between the two systems. More details can be found here.
> 
> 
> 
> 
>       
> 
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>  
> 
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