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feat: display various gain parameter values in decibels

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This commit is contained in:
5684185+vsariola@users.noreply.github.com
2025-07-09 00:47:09 +03:00
parent cf86f3f1c8
commit 697fb05b5c
1 changed files with 21 additions and 12 deletions
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33
patch.go
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@ -104,10 +104,10 @@ var UnitTypes = map[string]([]UnitParameter){
{Name: "resolution", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: func(v int) (string, string) { return formatFloat(24 * float64(v) / 128), "bits" }}},
"gain": []UnitParameter{
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: func(v int) (string, string) { return strconv.FormatFloat(toDecibel(float64(v)/128), 'g', 3, 64), "dB" }}},
"invgain": []UnitParameter{
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
{Name: "invgain", 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(toDecibel(128/float64(v)), 'g', 3, 64), "dB" }}},
"dbgain": []UnitParameter{
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
{Name: "decibels", MinValue: 0, Neutral: 64, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: func(v int) (string, string) { return formatFloat(40 * (float64(v)/64 - 1)), "dB" }}},
@ -135,23 +135,23 @@ var UnitTypes = map[string]([]UnitParameter){
{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, DisplayFunc: func(v int) (string, string) {
return strconv.FormatFloat(20*math.Log10(128/float64(v)), 'f', 2, 64), "dB"
return strconv.FormatFloat(toDecibel(128/float64(v)), 'g', 3, 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"
return strconv.FormatFloat(toDecibel(float64(v)/128), 'g', 3, 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{
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: func(v int) (string, string) { return strconv.FormatFloat(toDecibel(float64(v)/128), 'g', 3, 64), "dB" }}},
"outaux": []UnitParameter{
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
{Name: "outgain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
{Name: "auxgain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
{Name: "outgain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: func(v int) (string, string) { return strconv.FormatFloat(toDecibel(float64(v)/128), 'g', 3, 64), "dB" }},
{Name: "auxgain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: func(v int) (string, string) { return strconv.FormatFloat(toDecibel(float64(v)/128), 'g', 3, 64), "dB" }}},
"aux": []UnitParameter{
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: func(v int) (string, string) { return strconv.FormatFloat(toDecibel(float64(v)/128), 'g', 3, 64), "dB" }},
{Name: "channel", MinValue: 0, MaxValue: 6, CanSet: true, CanModulate: false, DisplayFunc: arrDispFunc(channelNames[:])}},
"send": []UnitParameter{
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
@ -164,13 +164,13 @@ 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: func(v int) (string, string) { return engineeringTime(math.Pow(2, 24*float64(v)/128) / 44100) }},
{Name: "decay", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: func(v int) (string, string) { return engineeringTime(math.Pow(2, 24*float64(v)/128) / 44100) }},
{Name: "sustain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
{Name: "sustain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: func(v int) (string, string) { return strconv.FormatFloat(toDecibel(float64(v)/128), 'g', 3, 64), "dB" }},
{Name: "release", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: func(v int) (string, string) { return engineeringTime(math.Pow(2, 24*float64(v)/128) / 44100) }},
{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: func(v int) (string, string) { return strconv.FormatFloat(toDecibel(float64(v)/128), 'g', 3, 64), "dB" }}},
"noise": []UnitParameter{
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
{Name: "shape", MinValue: 0, Neutral: 64, MaxValue: 128, CanSet: true, CanModulate: true},
{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: func(v int) (string, string) { return strconv.FormatFloat(toDecibel(float64(v)/128), 'g', 3, 64), "dB" }}},
"oscillator": []UnitParameter{
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
{Name: "transpose", MinValue: 0, Neutral: 64, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: oscillatorTransposeDispFunc},
@ -178,7 +178,7 @@ var UnitTypes = map[string]([]UnitParameter){
{Name: "phase", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
{Name: "color", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
{Name: "shape", MinValue: 0, Neutral: 64, MaxValue: 128, CanSet: true, CanModulate: true},
{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: func(v int) (string, string) { return strconv.FormatFloat(toDecibel(float64(v)/128), 'g', 3, 64), "dB" }},
{Name: "frequency", MinValue: 0, MaxValue: -1, CanSet: false, CanModulate: true},
{Name: "type", MinValue: int(Sine), MaxValue: int(Sample), CanSet: true, CanModulate: false, DisplayFunc: arrDispFunc(oscTypes[:])},
{Name: "lfo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
@ -291,6 +291,15 @@ func formatFloat(f float64) string {
return strconv.FormatFloat(f, 'f', -1, 64)
}
func toDecibel(amplitude float64) float64 {
if amplitude <= 0 {
return math.Inf(-1)
}
// Decibels are defined as 20 * log10(amplitude)
// https://en.wikipedia.org/wiki/Decibel#Sound_pressure
return 20 * math.Log10(amplitude)
}
// When unit.Type = "oscillator", its unit.Parameter["Type"] tells the type of
// the oscillator. There is five different oscillator types, so these consts
// just enumerate them.