Hi!
I have been long waiting to present the results of my Mixco project
since there are some changes that I would like to still make, but maybe
it is good enough already and those changes could benefit from public
critizism. Here it is:
http://sinusoid.es/mixco/
I believe that the XML file gets in the way of the development of
JavaScript-intensive controllers, since it is verbose and hard to
maintain. So I have built this framework where one can express mappings
in a highly declarative JavaScript which is as simple as XML for simple
use-cases, but scales gradually to more complex specenarios. The script
can be run in a Node.js environment to generate a XML mapping that is
transparently optimized (i.e. uses direct mappings bypassing JS when
possible).
Also, the framework also promotes writing reusable behaviours, that can
be shared in different controllers. Also, it promotes literative
programming, interleaving the documentation about what the different
buttons do with the code and generating nice-looking docs from it,
encouraging DJs to hack the scripts, and helping in keeping the docs up
to date with changes. Here are a couple of examples of scripts/docs and
the XML generated for them:
- Korg Nanokontrol 2:
Mixco: http://sinusoid.es/mixco/script/korg_nanokontrol2.html
Generated XML:
https://gitorious.org/mixco/compiled/source/6be10f2098af1b64890bb60d4b9ca72a16fc0aee:korg_nanokontrol2.midi.xml
- M-Audio Xponent:
Mixco: http://sinusoid.es/mixco/script/maudio_xponent.html
Genrated XML:
https://gitorious.org/mixco/compiled/source/6be10f2098af1b64890bb60d4b9ca72a16fc0aee:maudio_xponent.midi.xml
When I first mentioned these ideas in this list it was highly critizised
that it is written in CoffeeScript, so while I kept its core in Coffee I
have made sure it is easy to use in vanilla JavaScript, as in this script:
- Novation Twitch:
Mixco: http://sinusoid.es/mixco/script/novation_twitch.html
What do you think?
Should you consider this interesting to be integrated in Mixxx, I would
be happy to book time again for the project and work on any necessary
improvements. Also, there is no Twitch script in Mixxx right now, and
this Xponent script is significatly better than the one currently in
Mixxx (I know this because I was maintaining that one :) so in the worst
case I suggest we distribute the pre-compiled JS and XML with the next
version of Mixxx.
JP
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