Gjermund Garaba
9a78b3e3f1
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* feat: support media controller on mac * fix(notifications): publish current playback state when media notifier attaches * fix(darwin): lock startup to the Cocoa main thread * refactor: cleanup and simplify * missed cleanup
28 lines
352 B
Go
28 lines
352 B
Go
package mediactl
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import "math"
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func dbToLinear(db float64) float64 {
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if db <= -30 {
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return 0.0
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}
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if db >= 6 {
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return 1.0
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}
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return math.Pow(10, db/20) / math.Pow(10, 6.0/20)
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}
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func linearToDb(v float64) float64 {
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if v <= 0 {
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return -30
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}
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if v >= 1 {
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return 6
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}
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db := 20*math.Log10(v) + 6
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if db < -30 {
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return -30
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}
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return db
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}
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