[chuck-users] osc listener shred woes

[mike clemow]

Whoops, I neglected to mention that this code will work if you comment
out one of the listener spork lines and only listen for one OSC event
with only one generic listener.

-mike

On Mon, Apr 28, 2008 at 2:47 AM, mike clemow <gelfmuse at gmail.com> wrote:
> Hello all,
>
>  So, the following code sporks out two shreds to listen for two (for
>  now--I want to be using 14) OSC messages, put their int values into an
>  event and report back to the parent shred with the value and the
>  address.  This is supposed to be a way to get around the fact that,
>
>  a) I seem to have to listen on a different port if the OSC messages
>  have the same type,
>  b) that I can't wait on multiple events and,
>  c) that I want all the values to control parameters in a single patch.
>
>  My OSC messages are being lobbed at Chuck via a Python script and
>  everything seems to be working fine on that end.  I've even gotten
>  this to work using two chuck shreds that were manually sporked.  At
>  any rate, this code runs fine for about two seconds and then dies in
>  either a segmentation fault or a bus error.
>
>  Any guesses?
>
>  ---
>  // extend the Event class
>  class Bang extends Event {
>     string message;
>     int value;
>  }
>
>  // a generic osc listener shred
>  fun void oscListener( Bang b, int port, string osctype ) {
>     // create our OSC receiver
>     OscRecv recv;
>     port => recv.port;
>     recv.listen();
>
>     // create an address in the receiver, store in new variable
>     recv.event( osctype ) @=> OscEvent oe;
>
>     while( true ) {
>         // wait for osc event to arrive
>         oe => now;
>
>         while( oe.nextMsg() ) {
>             oe.getInt() => b.value;
>             osctype => b.message;
>             b.broadcast();
>         }
>     }
>  }
>
>  // our event "Bang"
>  Bang bang;
>  8000 => int oscport;
>
>  // the types for the osc objects
>  "/leftraw, i" => string leftraw;
>  "/leftavg, i" => string leftavg;
>
>  spork ~ oscListener( bang, oscport, leftraw );
>  // shreds are usually happier listening on a separate port
>  spork ~ oscListener( bang, oscport + 1, leftavg );
>
>  SinOsc raw => dac;
>  SinOsc avg => dac;
>
>  while( true ) {
>     bang => now;
>     //<<<bang.message, bang.value>>>;
>     if( bang.message == leftraw ) {
>         bang.value => raw.freq;
>     }
>     else if( bang.message == leftavg ) {
>         bang.value => avg.freq;
>     }
>  }
>



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