[chuck-users] ChucK on the web: NodeJS / HTML5

Tom Lieber tom at alltom.com
Fri Apr 20 14:37:03 EDT 2012

On Fri, Apr 20, 2012 at 1:22 PM, Kassen <signal.automatique at gmail.com> wrote:
> On Fri, Apr 20, 2012 at 02:02:57PM -0300, Vilson Vieira wrote:
>> We can even use Emscripten to convert an entire C/C++ codebase to JavaScript:
>> http://emscripten.org/
> While I find the choices made in ChucK that lead to the relatively
> high cpu usage quite defensible, I think those make ChucK a bad
> candidate for such antics...
> What I'd do if I were motivated;
> Create a custom build of ChucK; focussed on livecoding so no hid, no
> audio in, etc. Harden it by disabling stuff that writes to the disk to
> protect your server and also make sure it can only read from a given
> directory. Probably also limit the amount of memory a shred or user can
> allocate. Have this accept scripts from a editor on your site. Stream
> the result using some online radio streamer and have this available on
> the same page as the editor. Add a second field for chat.
> That way you keep client-side CPU usage way down, putting it in the
> reach of devices like netbooks and smartphones. For bonus points;
> pre-load a public class to act as a shared clock event and have a
> version of the "busses" trick to share audio, for example so I can
> generate some sound and send it to your bus so you can treat it before
> we all hear it. You may also need some custom stuff to make sure the
> result of failed attempts at compiling code only ends up with the
> person writing the code.
> That'd be fun but personally I'd wait a bit and hope the current
> situation where many simple syntax errors lead to full-on seg-faulting
> clears up a bit.

There are also well-documented ways to intentionally and
unintentionally crash ChucK that you may need to patch up. :-}

Tom Lieber

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