Files

84 lines
2.6 KiB
Swift

import Foundation
/// Where one dictation's text goes.
public enum InsertionRoute: Equatable, Sendable {
/// Pasted into whichever app is in front.
case system
/// Typed into the Notitie editor inside Sst.
case editor
/// Dropped (Sst is in front but nothing there takes text, or the recording started in the window).
case none
}
/// Sends each dictation to the system paster or the in-app editor, asked at insertion time rather than at creation.
public struct RoutingInserter: TextInserting {
private let system: TextInserting
private let editor: TextInserting
private let route: () async -> InsertionRoute
public init(system: TextInserting, editor: TextInserting, route: @escaping () async -> InsertionRoute) {
self.system = system
self.editor = editor
self.route = route
}
public func insert(_ text: String) async throws {
switch await route() {
case .system: try await system.insert(text)
case .editor: try await editor.insert(text)
case .none: break
}
}
}
/// Lets the app replace the speech model (for example after a model switch) without rebuilding the controller.
public final class SwappableTranscriber: Transcriber, @unchecked Sendable {
public enum SwapError: Error, LocalizedError {
case noTranscriber
public var errorDescription: String? { "Spraakmodel is nog niet geladen." }
}
private let lock = NSLock()
private var current: Transcriber?
public init(_ initial: Transcriber? = nil) {
current = initial
}
public func swap(to transcriber: Transcriber?) {
lock.withLock { current = transcriber }
}
public var hasTranscriber: Bool {
lock.withLock { current != nil }
}
public func transcribe(_ samples: [Float]) async throws -> String {
try await transcribe(samples, vocabulary: [])
}
public func transcribe(_ samples: [Float], vocabulary: [String]) async throws -> String {
guard let transcriber = lock.withLock({ current }) else { throw SwapError.noTranscriber }
return try await transcriber.transcribe(samples, vocabulary: vocabulary)
}
}
/// The latest input level, written from the audio thread and read by the meter once per frame.
public final class LevelSource: @unchecked Sendable {
private let lock = NSLock()
private var value = AudioLevel.silenceFloorDbfs
public init() {}
public var dbfs: Float { lock.withLock { value } }
public func update(_ dbfs: Float) {
lock.withLock { value = dbfs }
}
public func reset() {
update(AudioLevel.silenceFloorDbfs)
}
}