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feat(tracker): buttons for loudness weighting and peak oversampling

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Closes #186
This commit is contained in:
5684185+vsariola@users.noreply.github.com
2025-04-27 21:30:10 +03:00
parent 805b98524c
commit 5fd78d8362
7 changed files with 111 additions and 14 deletions
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17
tracker/detector.go
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@ -89,6 +89,7 @@ const (
AWeighting
CWeighting
NoWeighting
NumWeightingTypes
)
func NewDetector(b *Broker) *Detector {
@ -109,6 +110,15 @@ func (s *Detector) Run() {
if msg.Quit {
return
}
if msg.HasWeightingType {
s.loudnessDetector.weighting = weightings[WeightingType(msg.WeightingType)]
s.loudnessDetector.reset()
}
if msg.HasOversampling {
s.peakDetector.oversampling = msg.Oversampling
s.peakDetector.reset()
}
switch data := msg.Data.(type) {
case *sointu.AudioBuffer:
buf := *data
@ -367,7 +377,12 @@ func (d *peakDetector) update(buf sointu.AudioBuffer) (ret PeakResult) {
d.tmp[i] = buf[i][chn]
}
// 4x oversample the signal
o := d.states[chn].Oversample(d.tmp[:len(buf)], d.tmp2)
var o []float32
if d.oversampling {
o = d.states[chn].Oversample(d.tmp[:len(buf)], d.tmp2)
} else {
o = d.tmp[:len(buf)]
}
// take absolute value of the oversampled signal
vek32.Abs_Inplace(o)
p := vek32.Max(o)