20 lines
673 B
Swift
20 lines
673 B
Swift
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extension Sound {
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/// A value that can modulate a parameter. The base class of `Signal`,
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/// `LFO`, `Envelope`, and `ControlSignal`. Wraps `PDSynthSignalValue`.
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public class SignalValue {
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let pointer: OpaquePointer
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let isOwned: Bool
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init(pointer: OpaquePointer, isOwned: Bool) {
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self.pointer = pointer
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self.isOwned = isOwned
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}
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/// Wraps a signal value pointer returned by the OS (not owned).
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static func wrap(_ pointer: OpaquePointer?) -> SignalValue? {
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guard let pointer else { return nil }
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return SignalValue(pointer: pointer, isOwned: false)
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}
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}
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}
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