Re: sequencer: handling non-registered parameter numbers....

[Joern Nettingsmeier <nettings@folkwang-hochschule.de>]

hello david !

thanks for your reply.

David Olofson wrote:
> On Sunday 15 June 2003 18.16, Joern Nettingsmeier wrote:
> [...]
> 
>>         /*{SND_SEQ_EVENT_NONREGPARAM, extra_decode_nrpn},*/
>>         /*{SND_SEQ_EVENT_REGPARAM, extra_decode_rpn},*/
>>};
>>
>>which makes me think it might not yet be implemented....
> 
> 
> I'm using NRPNs to control the mixer in the current development 
> version of Audiality, and they appear to be working just fine, and 
> just like one would expect.
> 
> 
> 
>>any hints or fine manuals around ?
> 
> 
> Do you need one? :-)

where did i make the impression that i have *any* clue about progamming 
?  yes i do :)

> What you get is plain <control, value> tuples, and that's all there is 
> to it. (Well, it's all I *want* anyway, as I don't want to do stuff 
> that's outside the MIDI spec...)
> 
> Here's some code, which isn't heavily tested, but does seem to do the 
> job:

either i have not understood the semantics of nrpm, or nrpm  events are 
not detected as such. when i move a slider, i always get four separate 
normal controller events: two on 98/99 encoding the control number as a 
14bit value, and two on 6 and 38 encoding the data.

the case SND_EVENT_NONREGPARAM is never reached.
now one of three things must be broken (in decreasing order of 
likelihood): me, my wacky peavey controller, or alsa-lib.

?

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Jörn Nettingsmeier
Kurfürstenstr 49, 45138 Essen, Germany
http://spunk.dnsalias.org (my server)
http://www.linuxdj.com/audio/lad/ (Linux Audio Developers)






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