Subject: Re: [linux-audio-dev] advice: jaz++, ALSA seq API 0.4 -> 0.5
From: Erik Steffl (esteffl_AT_pbi.net)
Date: Tue Mar 21 2000 - 03:25:45 EET
jazz++ itself is fairly usable program but I have one huge problem
that makes it basically unusable under linux (for me). the linux midi
drivers (OSS) do not have midi-thru functionality. I have midi
controller keyboard (does not make any sounds, just sends out midi
events), I can record whatever I play but I cannot hear it while
recording (I do not have any external synth, only soundblaster).
it looks like OSS is not going to have midi thru anytime soon. is
there any hope to get this functionality from alsa? or from oss free
(the one included in kernel)?
I have been looking for any info on this but found nothing... I'd
appreciate any info and/or pointers to info.
erik
Paul Barton-Davis wrote:
>
> Jazz++ has just come out in its GPL form, with CVS access to the
> source. Alas, its authors decided to use the 0.4 ALSA API.
>
> I can alter the audio part myself (actually, they use OSS for that,
> but I'll rip it out and put ALSA in), but I want some advice on how
> much has changed in the sequencer between 0.4 and 0.5. Is it subtle
> stuff ? A complete overhaul ? More or less than the audio API ? Also -
> is someone else planning on doing this ?
>
> I am moderately excited about Jazz++. On the one hand, its a much more
> polished and finished sequencer than anything else that exists for
> Linux, and its authors are to be commended for going the GPL route. On
> the other hand, the code base looks not so great; they don't use the
> MVC model for the relationship between the sequencer and the GUI,
> which means that fundamental changes will be harder to implement. They
> also use wxWin to provide "cross platform" UI facilities, which IMHO
> is a coward's way of avoiding the harder choice of a particular "real
> toolkit". But to each their own, and I don't want to sound
> ungrateful. Jazz++ will be a useful program, I hope, in the studio, at
> the very least until we get a vastly better program, which could be
> some time away. Its audio sequencing stuff in particular seems not to
> exist in any other (at least vaguely finished) Linux program that I
> know of.
>
> --p
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