AudioTee Swift CLI repo

Sources/Output/Handlers/AutoOutputHandler.swift

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+import Foundation
+
+/// Auto-detecting output handler based on TTY
+public class AutoAudioOutputHandler: AudioOutputHandler {
+  private let handler: AudioOutputHandler
+
+  public init() {
+    // Auto-detect based on whether stdout is a terminal
+    if isatty(STDOUT_FILENO) != 0 {
+      handler = JSONAudioOutputHandler()
+    } else {
+      handler = BinaryAudioOutputHandler()
+    }
+  }
+
+  public func handleAudioPacket(_ packet: AudioPacket) {
+    handler.handleAudioPacket(packet)
+  }
+
+  public func handleMetadata(_ metadata: AudioStreamMetadata) {
+    handler.handleMetadata(metadata)
+  }
+
+  public func handleStreamStart() {
+    handler.handleStreamStart()
+  }
+
+  public func handleStreamStop() {
+    handler.handleStreamStop()
+  }
+}

Sources/Output/Handlers/BinaryOutputHandler.swift

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+import Foundation
+
+/// Binary output with JSON headers (pipe-optimised)
+public class BinaryAudioOutputHandler: AudioOutputHandler {
+  public init() {}
+
+  public func handleAudioPacket(_ packet: AudioPacket) {
+    // Create metadata without the audio data
+    let metadata = AudioPacketMetadata(from: packet)
+
+    // Write JSON metadata line
+    Logger.writeMessage(.audio, data: metadata)
+
+    // Write raw binary audio data directly to stdout
+    FileHandle.standardOutput.write(packet.rawAudioData)
+  }
+
+  public func handleMetadata(_ metadata: AudioStreamMetadata) {
+    Logger.writeMessage(.metadata, data: metadata)
+  }
+
+  public func handleStreamStart() {
+    Logger.writeMessage(.streamStart, data: Optional<String>.none)
+  }
+
+  public func handleStreamStop() {
+    Logger.writeMessage(.streamStop, data: Optional<String>.none)
+  }
+}

Sources/Output/Handlers/JSONOutputHandler.swift

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+import Foundation
+
+/// Base64-encoded JSON output (terminal-safe)
+public class JSONAudioOutputHandler: AudioOutputHandler {
+  public init() {}
+
+  public func handleAudioPacket(_ packet: AudioPacket) {
+    let jsonPacket = JSONAudioPacket(from: packet)
+    Logger.writeMessage(.audio, data: jsonPacket)
+  }
+
+  public func handleMetadata(_ metadata: AudioStreamMetadata) {
+    Logger.writeMessage(.metadata, data: metadata)
+  }
+
+  public func handleStreamStart() {
+    Logger.writeMessage(.streamStart, data: Optional<String>.none)
+  }
+
+  public func handleStreamStop() {
+    Logger.writeMessage(.streamStop, data: Optional<String>.none)
+  }
+}