timeToQuantizedBar(time) {
return this.quantizeBar(this.timeToBar(time));
},
// Beat Scale
// domain is time [s]
// range is beats [b]
beatScaleDomain: Ember.computed('duration', function() {
return [0, this.get('duration')];
}),
beatScaleRange: Ember.computed('firstBarOffset', 'beatCount', function() {
let { firstBarOffset, beatCount } = this.getProperties('firstBarOffset', 'beatCount');
return [-firstBarOffset, beatCount - firstBarOffset];
}),
beatScale: computedObject(LinearScale, {
'domain': 'beatScaleDomain',
'range': 'beatScaleRange',
}),
quantizeBeatScaleRange: Ember.computed('beatScaleRange', function() {
let beatScale = this.get('beatScale');
let [rangeMin, rangeMax] = beatScale.get('range');
// return d3.range(Math.ceil(rangeMin), Math.floor(rangeMax), 1);
return [Math.ceil(rangeMin), Math.floor(rangeMax)];
}),
quantizeBeatScale: computedObject(QuantizeScale, {
'domain': 'beatScaleRange',
'range': 'quantizeBeatScaleRange',
}),
// Bar Scale
// domain is time [s]
// range is bars [ba]
//
// Web Audio Nodes
//
// TODO(REFACTOR): how to distinguish between track gain, fx gain, arrangement gain?
// TODO(REFACTOR): set GainControl.defaultValue based on track.audioMeta.loudness
// that might mean making a specific TrackGainNode?
// trackSourceNode: computedObject(TrackSourceNode, {
// 'audioContext': 'audioContext',
// 'track': 'track',
// 'outputNode': 'outputNode.content',
// }),
soundtouchNode: computedObject(SoundtouchNode, {
'audioContext': 'audioContext',
'audioBuffer': 'audioBinary.audioBuffer',
'outputNode': 'trackGainNode.content',
}),
trackGainNode: computedObject(GainNode, {
'value': 'gain',
'audioContext': 'audioContext',
'outputNode': 'trackVolumeNode.content',
}),
trackVolumeNode: computedObject(GainNode, {
'audioContext': 'audioContext',
'outputNode': 'lowBandEqNode.content',
}),
lowBandFilterType: 'lowshelf',