Subject: Re: [linux-audio-dev] Problem with XML for LADSPA GUI?
From: Jörn Nettingsmeier (nettings_AT_folkwang.uni-essen.de)
Date: Fri May 26 2000 - 22:53:11 EEST
hello richard !
i'm cc:ing this to LAD, i meant to post here anyway (DAMN reply-to:
!!)...
"Richard W.E. Furse" wrote:
>
> Ooo this sounds really promising - I need to read up on XML! The area I
> suppose I've been expecting problems with is the live two-way information
> exchange required between an arbitrary widget, other widgets and on-screen
> data and the LADSPA host. Do you know if/how this can be approached?
this does not touch the XML definition.
in fact, the XML file will be pretty dumb, i think. a tag may look
somewhat like this:
<
"i want you to draw a realtime analyzer with draggable superimposed
eq curve. (but i haven't the faintest idea how it is done !) expect
user events from A, send output to displayX:Y, and take the fancy
set of knobs and borders. good luck !"
/>
(ok, this will be a little more abstract in real life ! :)
if i grasped the thing right, XML is just a markup language like
HTML (which will be a subset of XML in the near future), really
generic, really universal.
> BTW, can you recommend an XML summary for a man with very little free time?
not really. i have my limited knowledge from german magazines (c't
and iX, to be found on http://www.heise.de - there are *some*
articles in english), and i've not yet laid hands on XML myself.
the only source i can think of is the recommendation at
http://www.w3.org .
a validator is at http://www.oasis-open.org/cover/check-xml.html
(these are the DocBook guys).
**
it just struck me that maybe we could get in touch with the mozilla
people for help with xml parsing and rendering. they are heading
towards an xml layout engine, and there will be lots of reusable
code around !
what do you think ?
regards
jörn
-- Jörn Nettingsmeier Kurfürstenstr. 49 45138 Essen, Germany http://www.folkwang.uni-essen.de/~nettings/
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