Initial commit

Sources/CoreAudio/AudioEngine.swift

@@ -0,0 +1,42 @@
+import Foundation
+import AVFoundation
+import CoreUtils
+
+public protocol AudioEngineDelegate: AnyObject {
+    func audioEngine(_ engine: AudioEngine, didUpdateLevel level: Float)
+    func audioEngine(_ engine: AudioEngine, didCaptureAudio data: Data)
+    func audioEngineDidStartCapture(_ engine: AudioEngine)
+    func audioEngineDidStopCapture(_ engine: AudioEngine)
+}
+
+public class AudioEngine: ObservableObject {
+    private let logger = Logger(category: "AudioEngine")
+    private let audioEngine = AVAudioEngine()
+
+    public weak var delegate: AudioEngineDelegate?
+
+    @Published public private(set) var isCapturing = false
+    @Published public private(set) var currentLevel: Float = 0.0
+
+    public init() {
+        // Audio engine initialization will be completed in Phase 1
+    }
+
+    public func startCapture() throws {
+        logger.info("Starting audio capture")
+        // TODO: Implement in Phase 1
+        isCapturing = true
+        delegate?.audioEngineDidStartCapture(self)
+    }
+
+    public func stopCapture() {
+        logger.info("Stopping audio capture")
+        // TODO: Implement in Phase 1
+        isCapturing = false
+        delegate?.audioEngineDidStopCapture(self)
+    }
+
+    private func processAudioBuffer(_ buffer: AVAudioPCMBuffer) {
+        // TODO: Implement RMS calculation and audio processing in Phase 1
+    }
+}