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Adopted Span and MutableSpan for buffers across the library to adapt to Swift 6.4.

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javier
2026-09-18 12:06:21 +02:00
parent 89c8d7a04c
commit 4cb0f8f500
18 changed files with 127 additions and 83 deletions
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Sources/PlaydateKit/Sound/Synth/Classes/Synth.swift
+3 -3
View File
@@ -75,9 +75,9 @@ extension Sound {
{ userdata, left, right, nsamples, rate, drate in
guard let userdata, let left else { return 0 }
let box = Unmanaged<GeneratorBox>.fromOpaque(userdata).takeUnretainedValue()
let leftBuffer = UnsafeMutableBufferPointer(start: left, count: Int(nsamples))
let rightBuffer = right.map { UnsafeMutableBufferPointer(start: $0, count: Int(nsamples)) }
return Int32(box.generator.render(leftBuffer, rightBuffer, rate, drate))
var leftSpan = UnsafeMutableBufferPointer(start: left, count: Int(nsamples)).mutableSpan
var rightSpan = UnsafeMutableBufferPointer(start: right, count: right == nil ? 0 : Int(nsamples)).mutableSpan
return Int32(box.generator.render(&leftSpan, &rightSpan, rate, drate))
},
{ userdata, note, velocity, length in
guard let userdata else { return }
Sources/PlaydateKit/Sound/Synth/Structures/Synth.Generator.swift
+5 -5
View File
@@ -2,11 +2,11 @@ extension Sound.Synth {
/// Custom generator callbacks. Samples are in signed Q8.24 format.
public struct Generator {
/// Renders up to 256 sample frames into `left` (and `right` for
/// stereo generators). `rate` is the per-frame phase step in
/// stereo generators; it is empty for mono ones). `rate` is the per-frame phase step in
/// Q0.32 format and `drate` its per-frame change. Returns the
/// number of frames rendered.
public var render: (_ left: UnsafeMutableBufferPointer<Int32>,
_ right: UnsafeMutableBufferPointer<Int32>?,
public var render: (_ left: inout MutableSpan<Int32>,
_ right: inout MutableSpan<Int32>,
_ rate: UInt32, _ drate: Int32) -> Int
/// Called when a note starts. `length` is -1 for indefinite notes.
public var noteOn: ((_ note: Sound.MIDINote, _ velocity: Float, _ length: Float) -> Void)?
@@ -17,8 +17,8 @@ extension Sound.Synth {
/// valid.
public var setParameter: ((_ parameter: Int, _ value: Float) -> Bool)?
public init(render: @escaping (_ left: UnsafeMutableBufferPointer<Int32>,
_ right: UnsafeMutableBufferPointer<Int32>?,
public init(render: @escaping (_ left: inout MutableSpan<Int32>,
_ right: inout MutableSpan<Int32>,
_ rate: UInt32, _ drate: Int32) -> Int,
noteOn: ((_ note: Sound.MIDINote, _ velocity: Float, _ length: Float) -> Void)? = nil,
release: ((_ stop: Bool) -> Void)? = nil,