feat: Add FFmpeg audio recording and ydotool typing backends, making them configurable.

Audio/FfmpegAudioRecorder.cs

@@ -0,0 +1,87 @@
+using System;
+using System.Diagnostics;
+using System.IO;
+
+using Toak.Core;
+using Toak.IO;
+using Toak.Core.Interfaces;
+
+namespace Toak.Audio;
+
+public class FfmpegAudioRecorder : IAudioRecorder
+{
+    private readonly string WavPath = Constants.Paths.RecordingWavFile;
+    private readonly IRecordingStateTracker _stateTracker;
+    private readonly INotifications _notifications;
+
+    public FfmpegAudioRecorder(IRecordingStateTracker stateTracker, INotifications notifications)
+    {
+        _stateTracker = stateTracker;
+        _notifications = notifications;
+    }
+
+    public string GetWavPath() => WavPath;
+
+    public void StartRecording()
+    {
+        if (File.Exists(WavPath))
+        {
+            Logger.LogDebug($"Deleting old audio file: {WavPath}");
+            File.Delete(WavPath);
+        }
+
+        Logger.LogDebug("Starting ffmpeg to record audio...");
+
+        var pInfo = new ProcessStartInfo
+        {
+            FileName = Constants.Commands.AudioFfmpeg,
+            Arguments = $"-f pulse -i default -ac 1 -ar 16000 \"{WavPath}\"",
+            UseShellExecute = false,
+            CreateNoWindow = true,
+            RedirectStandardOutput = true,
+            RedirectStandardError = true
+        };
+
+        var process = Process.Start(pInfo);
+        if (process != null)
+        {
+            _stateTracker.SetRecording(process.Id);
+            _notifications.Notify("Recording Started (FFmpeg)");
+        }
+    }
+
+    public void StopRecording()
+    {
+        var pid = _stateTracker.GetRecordingPid();
+        if (pid.HasValue)
+        {
+            Logger.LogDebug($"Found active ffmpeg process with PID {pid.Value}. Attempting to stop...");
+            try
+            {
+                var process = Process.GetProcessById(pid.Value);
+                if (!process.HasExited)
+                {
+                    // Gracefully stop ffmpeg using SIGINT to ensure WAV headers are finalizing cleanly
+                    Process.Start(new ProcessStartInfo
+                    {
+                        FileName = Constants.Commands.ProcessKill,
+                        Arguments = $"-INT {pid.Value}",
+                        CreateNoWindow = true,
+                        UseShellExecute = false
+                    })?.WaitForExit();
+                    
+                    process.WaitForExit(2000); // give it a moment to flush
+                }
+            }
+            catch (Exception ex)
+            {
+                // Process might already be dead
+                Console.WriteLine($"[FfmpegAudioRecorder] Error stopping ffmpeg: {ex.Message}");
+            }
+            finally
+            {
+                _stateTracker.ClearRecording();
+            }
+        }
+    }
+}

Commands/OnboardCommand.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Diagnostics;
 using System.Linq;
 using System.Threading.Tasks;
 using Spectre.Console;
@@ -52,13 +53,18 @@ public static class OnboardCommand
                 }));
 
         var sessionType = Environment.GetEnvironmentVariable("XDG_SESSION_TYPE")?.ToLowerInvariant();
-        var defaultBackend = sessionType == "wayland" ? "wtype" : "xdotool";
-        var otherBackend = defaultBackend == "wtype" ? "xdotool" : "wtype";
+        var typingBackends = sessionType == "wayland" ? new[] { "wtype", "ydotool", "xdotool" } : new[] { "xdotool", "ydotool" };
 
         config.TypingBackend = AnsiConsole.Prompt(
             new SelectionPrompt<string>()
                 .Title($"Select [green]Typing Backend[/] (Detected: {sessionType}):")
-                .AddChoices(new[] { defaultBackend, otherBackend }));
+                .AddChoices(typingBackends));
+
+        config.AudioBackend = AnsiConsole.Prompt(
+            new SelectionPrompt<string>()
+                .Title("Select [green]Audio Recording Backend[/]:")
+                .AddChoices(new[] { "pw-record", "ffmpeg" })
+                .UseConverter(c => c == "pw-record" ? "pw-record (Default PipeWire)" : "ffmpeg (Universal PulseAudio)"));
 
         var availableSkills = SkillRegistry.AllSkills.Select(s => s.Name).ToList();
         
@@ -75,5 +81,21 @@ public static class OnboardCommand
         configManager.SaveConfig(config);
         
         AnsiConsole.MarkupLine("\n[bold green]Configuration saved successfully![/]");
+
+        try
+        {
+            var processInfo = new ProcessStartInfo("systemctl", "--user restart toak.service")
+            {
+                CreateNoWindow = true,
+                UseShellExecute = false
+            };
+            Process.Start(processInfo)?.WaitForExit();
+            AnsiConsole.MarkupLine("[grey]Restarted Toak daemon service.[/]");
+        }
+        catch (Exception ex)
+        {
+            Toak.Core.Logger.LogDebug($"Failed to restart toak service: {ex.Message}");
+        }
     }
 }
+

Configuration/ToakConfig.cs

@@ -4,6 +4,7 @@ public class ToakConfig
 {
     public string GroqApiKey { get; set; } = string.Empty;
     public string TypingBackend { get; set; } = "xdotool"; // wtype or xdotool
+    public string AudioBackend { get; set; } = "pw-record"; // pw-record or ffmpeg
     public bool ModulePunctuation { get; set; } = true;
     public bool ModuleTechnicalSanitization { get; set; } = true;
 

Core/Constants.cs

@@ -34,6 +34,7 @@ public static class Constants
         public const string ProcessKill = "kill";
         public const string TypeX11 = "xdotool";
         public const string TypeWayland = "wtype";
+        public const string TypeYdotool = "ydotool";
         public const string Notify = "notify-send";
         public const string PlaySound = "paplay";
         public const string ClipboardX11 = "xclip";

Core/DaemonService.cs

@@ -54,11 +54,15 @@ public static class DaemonService
         var notifications = new Notifications();
 
         var groqClient = new GroqApiClient(config.GroqApiKey);
+        IAudioRecorder recorder = config.AudioBackend == "ffmpeg" 
+            ? new FfmpegAudioRecorder(stateTracker, notifications) 
+            : new AudioRecorder(stateTracker, notifications);
+
         var orchestrator = new TranscriptionOrchestrator(
             groqClient, 
             groqClient, 
             configManager, 
-            new AudioRecorder(stateTracker, notifications), 
+            recorder, 
             notifications, 
             new TextInjector(notifications), 
             new HistoryManager(), 

IO/TextInjector.cs

@@ -34,6 +34,17 @@ public class TextInjector : ITextInjector
                     CreateNoWindow = true
                 };
             }
+            else if (backend.ToLowerInvariant() == "ydotool")
+            {
+                Logger.LogDebug($"Injecting text using ydotool...");
+                pInfo = new ProcessStartInfo
+                {
+                    FileName = Toak.Core.Constants.Commands.TypeYdotool,
+                    Arguments = $"type \"{text.Replace("\"", "\\\"")}\"",
+                    UseShellExecute = false,
+                    CreateNoWindow = true
+                };
+            }
             else // xdotool
             {
                 Logger.LogDebug($"Injecting text using xdotool...");
@@ -74,6 +85,25 @@ public class TextInjector : ITextInjector
                     RedirectStandardInput = true
                 };
             }
+            else if (backend.ToLowerInvariant() == "ydotool")
+            {
+                Logger.LogDebug($"Setting up stream injection using ydotool (chunked)...");
+                await foreach (var token in tokenStream)
+                {
+                    Logger.LogDebug($"Injecting token: '{token}'");
+                    fullText += token;
+                    var chunkInfo = new ProcessStartInfo
+                    {
+                        FileName = Toak.Core.Constants.Commands.TypeYdotool,
+                        Arguments = $"type \"{token.Replace("\"", "\\\"")}\"",
+                        UseShellExecute = false,
+                        CreateNoWindow = true
+                    };
+                    var chunkP = Process.Start(chunkInfo);
+                    if (chunkP != null) await chunkP.WaitForExitAsync();
+                }
+                return fullText;
+            }
             else // xdotool
             {
                 Logger.LogDebug($"Setting up stream injection using xdotool...");