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Swift 6.4 migration and exhancements (#1)

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This PR contains the work done to update the library and the attached example project to use the Swift 6.4 computer as a minimum supported version and also, to use the latest features introduced in it.

Reviewed-on: #1
Co-authored-by: Javier Cicchelli <javier@rock-n-code.com>
This commit was merged in pull request #1.
This commit is contained in:
javier
2026-09-18 13:15:08 +00:00
committed by javier
parent d0a561b91f
commit c5037dd716
105 changed files with 1390 additions and 1397 deletions
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Sources/PlaydateKit/Sound/Synth/Structures/Synth.Generator.swift
+11 -14
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@@ -1,24 +1,21 @@
extension Sound.Synth {
/// Custom generator callbacks. Samples are in signed Q8.24 format.
/// Custom generator callbacks, run on the audio render thread; return quickly.
/// Samples are signed Q8.24.
public struct Generator {
/// Renders up to 256 sample frames into `left` (and `right` for
/// stereo generators). `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>?,
/// Renders `left.count` frames into `left` and `right` (empty if mono). `rate` is the
/// per-frame Q0.32 phase step, `drate` its per-frame change. Returns frames rendered.
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.
/// `length` is in seconds, or -1 if indefinite.
public var noteOn: ((_ note: Sound.MIDINote, _ velocity: Float, _ length: Float) -> Void)?
/// Called when a note is released (`stop == false`) or stopped
/// (`stop == true`).
/// `stop` is `false` on release, `true` on stop.
public var release: ((_ stop: Bool) -> Void)?
/// Sets a generator parameter. Returns `true` if the parameter is
/// valid.
/// Called by `Synth.setParameter(_:value:)` or a modulator. Returns `true` if 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,