Add vosk, Naudio

VisionAsist/Models/TrigerCore.cs

@@ -0,0 +1,76 @@
+using System;
+using System.IO;
+using Vosk;
+using System.Text.Json;
+using NAudio.Wave;
+using Avalonia.Controls;
+using Avalonia.Threading;
+
+namespace VisionAsist.Models;
+
+public class TrigerCore 
+{
+    
+    private WaveInEvent? _waveIn;
+    private Model? _model;
+    private VoskRecognizer? _rec;
+    private readonly object _voskLock = new();
+    public string RecognizedText { get; private set; } = "";
+
+  
+    public TrigerCore()
+    {
+        string VoskPath = Path.Combine(AppContext.BaseDirectory, "models/Vosk/");
+        if (!Directory.Exists(VoskPath))
+            throw new DirectoryNotFoundException($"Модель не найдена по пути: {VoskPath}");
+
+        _model = new Model(VoskPath);
+        _rec = new VoskRecognizer(_model, 16000.0f);
+        
+    }
+    
+    public void StartRecording()
+    {
+        if (_waveIn != null || _rec == null) return;
+
+        _waveIn = new WaveInEvent { WaveFormat = new WaveFormat(16000, 1) };
+        _waveIn.DataAvailable += OnDataAvailable;
+        _waveIn.StartRecording();
+    }
+
+  
+    public void StopRecording()
+    {
+        _waveIn?.StopRecording();
+        _waveIn?.Dispose();
+        _waveIn = null;
+    }
+    public event Action<string>? OnRecognized;
+
+    private void OnDataAvailable(object? sender, WaveInEventArgs e)
+    {
+        lock (_voskLock)
+        {
+            if (_rec != null && _rec.AcceptWaveform(e.Buffer, e.BytesRecorded))
+            {
+                var json = _rec.Result();
+                using var doc = JsonDocument.Parse(json);
+                var result = doc.RootElement.GetProperty("text").GetString();
+
+                if (!string.IsNullOrWhiteSpace(result))
+                {
+                    RecognizedText += result + " ";
+                    OnRecognized?.Invoke(result); // уведомляем подписчиков
+                }
+            }
+        }
+    }
+    
+    protected void Stop()
+    {
+        StopRecording();
+        _rec?.Dispose();
+        _model?.Dispose();
+        
+    }
+}