From: Clemens Ladisch <clemens@ladisch.de>
To: "Thorsten Edelhäußer" <toersi@gmx.de>
Cc: alsa-devel@alsa-project.org
Subject: Re: MIDI message handling
Date: Thu, 05 Jun 2008 13:25:26 +0200 [thread overview]
Message-ID: <4847CD26.4030705@ladisch.de> (raw)
In-Reply-To: <1212522887.17865.14.camel@un1001x>
Thorsten Edelhäußer wrote:
> I'm writing a driver for the MARIAN MARC 8 Midi soundcard. Today I
> tested some MIDI functionality and get some errors from hydrogen
> ("unhandled midi message type"). I did some research and got to the
> point, that the MIDI alive message (0xfe) should not arrive at the
> application.
The Active Sensing message is a valid MIDI message. This seems to be a
bug in hydrogen.
> So my question is: Do I have to process the midi messages by myself
> before I give it to the alsa "snd_rawmidi_receive" function?
> Or is there already some code, which will do it?
The ALSA framework handles this automatically; your driver is not
required to interpret the MIDI data stream.
Regards,
Clemens
prev parent reply other threads:[~2008-06-05 11:25 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-03 19:54 MIDI message handling Thorsten Edelhäußer
2008-06-05 11:25 ` Clemens Ladisch [this message]
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