57 lines
2.1 KiB
Swift
57 lines
2.1 KiB
Swift
internal import CPlaydate
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extension Sound {
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/// A bit-crushing and downsampling effect. Wraps `BitCrusher`.
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public final class BitCrusher: Effect {
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private static var api: UnsafePointer<playdate_sound_effect_bitcrusher> { Playdate.bitCrusherAPI.unsafelyUnwrapped }
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private var retainedModulators: [SignalValue] = []
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public init() {
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super.init(pointer: BitCrusher.api.pointee.newBitCrusher.unsafelyUnwrapped().unsafelyUnwrapped,
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isOwned: true)
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}
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deinit {
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if isOwned {
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BitCrusher.api.pointee.freeBitCrusher.unsafelyUnwrapped(pointer)
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}
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}
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/// When `true`, `setDepth` values map exponentially to bit depth.
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public func setExponential(_ flag: Bool) {
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BitCrusher.api.pointee.setExponential.unsafelyUnwrapped(pointer, flag)
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}
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/// The amount of crushing, 0 (none) to 1 (quantized to 1 bit).
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public func setDepth(_ depth: Float) {
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BitCrusher.api.pointee.setDepth.unsafelyUnwrapped(pointer, depth)
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}
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public var depthModulator: SignalValue? {
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get { SignalValue.wrap(BitCrusher.api.pointee.getDepthModulator.unsafelyUnwrapped(pointer)) }
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set {
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retain(newValue)
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BitCrusher.api.pointee.setDepthModulator.unsafelyUnwrapped(pointer, newValue?.pointer)
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}
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}
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/// The amount of downsampling, 0 (none) to 1 (every sample repeated).
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public func setDownsampling(_ downsampling: Float) {
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BitCrusher.api.pointee.setDownsampling.unsafelyUnwrapped(pointer, downsampling)
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}
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public var downsamplingModulator: SignalValue? {
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get { SignalValue.wrap(BitCrusher.api.pointee.getDownsamplingModulator.unsafelyUnwrapped(pointer)) }
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set {
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retain(newValue)
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BitCrusher.api.pointee.setDownsamplingModulator.unsafelyUnwrapped(pointer, newValue?.pointer)
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}
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}
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private func retain(_ modulator: SignalValue?) {
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if let modulator { retainedModulators.append(modulator) }
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}
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}
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}
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