createInstance: function(name){
var instance = Soundbank(audioContext)
var ditty = Ditty(clock)
var exclude = {}
instance.on('change', function(data){
exclude['144/' + data.id] = data.exclude
})
instance.looper = MidiLooper(clock.getCurrentPosition, {exclude: exclude})
instance.name = name
// feedback loop
ditty.pipe(instance).pipe(instance.looper).pipe(ditty)
// connect to output
instance.connect(audioContext.destination)
// stream to interfaces
streams.forEach(function(stream){
connectInstance(instance, stream)
})
instances[name] = instance
return instance
},
module.exports = function(midiGrabber){
var repeater = Ditty()
var release = null
var downNotes = []
var repeatLength = 1
repeater.setLength = function(value){
repeatLength = value
refresh()
}
repeater.start = function(length){
if (!release){
release = midiGrabber.grab(function(data){
if (data[2]) down(data)
else up(data)
})
}
if (length){
repeater.setLength(length)
}
}
repeater.stop = function(){
if (release){
release()
release = null
}
}
function down(data){
downNotes.push(data)
refresh()
}
function up(data){
downNotes = downNotes.filter(function(note){
return !(note[0] == data[0] && note[1] == data[1])
})
refresh()
}
function refresh(){
repeater.setNotes(downNotes.map(function(data){
return {
key: data[0] + '/' + data[1],
on: data, off: [data[0], data[1], 0],
position: 0, length: repeatLength/2
}
}), repeatLength)
}
return repeater
}
function createInstance(audioContext, output, midiStream){
var instance = Soundbank(audioContext)
instance.playback = Playback(instance)
var scheduler = audioContext.scheduler
var ditty = Ditty(scheduler)
midiStream.on('error', function(err){
console.log(err)
})
var exclude = {}
var noRepeat = {}
var loopTransforms = {}
instance.on('refresh', function(data){
var overrideTransform = !!data.loopTransform
exclude['144/' + data.id] = data.exclude
noRepeat['144/' + data.id] = data.noRepeat || overrideTransform
loopTransforms['144/' + data.id] = data.loopTransform
})
instance.looper = MidiLooper(scheduler.getCurrentPosition, {
exclude: exclude,
noRepeat: noRepeat,
loopTransforms: loopTransforms
})
// controller
instance.controller = Launchpad(midiStream, instance.looper)
instance.quantizer = Quantizer(scheduler.getCurrentPosition)
scheduler.pipe(instance.controller).pipe(instance.quantizer).pipe(instance.playback)
// sampler
instance.sampler = SoundRecorder(instance.controller, instance)
// feedback loop
ditty.pipe(instance.playback).pipe(instance.looper).pipe(ditty)
// connect to output
instance.connect(output)
return instance
}
function addRemoteInstance(){
var instance = Soundbank(window.context.audio)
instance.playback = Playback(instance)
var scheduler = window.context.audio.scheduler
var ditty = Ditty(scheduler)
// feedback loop
ditty.pipe(instance.playback)
instance.loop = ditty
// connect our remote output to the original audio context
instance.connect(window.context.outputFromRemote)
window.context.remoteInstances.push(instance)
return instance
}