Pure Enumeratee-based sound generation POC for Zound PlayFramework experiment

sine.scala

object Application extends Controller {

  val buffSize = 10000
  var f = 200.

  val rawStream = {
    var i = 0;
    val ticker = Enumerator.generateM[Int]({
      i += 1;
      Promise.timeout(Some(i), (1000.*buffSize.toDouble/44100.).toInt)
    }) // These lines are very crap, but it works, we need a REAL ticker

    val sine = Enumeratee.map[Int]({ i =>
      (0 until buffSize).map { j =>
        math.sin((i.toDouble+j.toDouble/buffSize)*f)
      }.toArray
    })
    ticker &> sine
  }

  // ... (see http://github.com/gre/zound)
}