feat(sointu): display compressor invgain and threshold in dB

vsariola · Oct 15, 2024 · 7b213bd · 7b213bd
1 parent 27b6bc5
commit 7b213bd
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Showing 2 changed files with 7 additions and 2 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -5,6 +5,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
 ### Added
+- Compressor displays threshold and invgain in dB
 - Dragging mouse to select rectangles in the tables
 - The standalone tracker can open a MIDI port for receiving MIDI notes
   ([#166][i166])

diff --git a/patch.go b/patch.go
@@ -123,8 +123,12 @@ var UnitTypes = map[string]([]UnitParameter){
 		{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
 		{Name: "attack", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: compressorTimeDispFunc},
 		{Name: "release", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: compressorTimeDispFunc},
-		{Name: "invgain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
-		{Name: "threshold", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
+		{Name: "invgain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: func(v int) (string, string) {
+			return strconv.FormatFloat(20*math.Log10(128/float64(v)), 'f', 2, 64), "dB"
+		}},
+		{Name: "threshold", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: func(v int) (string, string) {
+			return strconv.FormatFloat(20*math.Log10(float64(v)/128), 'f', 2, 64), "dB"
+		}},
 		{Name: "ratio", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: func(v int) (string, string) { return formatFloat(1 - float64(v)/128), "" }}},
 	"speed": []UnitParameter{},
 	"out": []UnitParameter{