feat: add local Resemblyzer speaker recognition

2026-09-11 13:49:27 +02:00
parent 43fc8aaec0
commit f86af983e8
48 changed files with 5250 additions and 273 deletions
@@ -0,0 +1,54 @@
+using Microsoft.Extensions.Options;
+
+namespace MeetingAssistant.Speakers;
+
+public sealed class ResemblyzerWarmupHostedService : BackgroundService
+{
+    private readonly IResemblyzerVoiceEncoder encoder;
+    private readonly bool speakerIdentificationEnabled;
+    private readonly ResemblyzerSpeakerRecognitionOptions options;
+    private readonly ILogger<ResemblyzerWarmupHostedService> logger;
+    public ResemblyzerWarmupHostedService(
+        IResemblyzerVoiceEncoder encoder,
+        IOptions<MeetingAssistantOptions> options,
+        ILogger<ResemblyzerWarmupHostedService> logger)
+    {
+        this.encoder = encoder;
+        speakerIdentificationEnabled = options.Value.SpeakerIdentification.Enabled;
+        this.options = options.Value.SpeakerIdentification.Resemblyzer;
+        this.logger = logger;
+    }
+
+    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+    {
+        if (!speakerIdentificationEnabled || !options.Enabled)
+        {
+            return;
+        }
+
+        await Task.Yield();
+        try
+        {
+            logger.LogInformation(
+                "Starting Resemblyzer warm-up in runtime folder {RuntimeFolder} for model {ModelId}",
+                VaultPath.Resolve(options.RuntimeFolder),
+                options.ModelId);
+            await encoder.WarmUpAsync(stoppingToken);
+            logger.LogInformation(
+                "Finished Resemblyzer warm-up in runtime folder {RuntimeFolder} for model {ModelId}",
+                VaultPath.Resolve(options.RuntimeFolder),
+                options.ModelId);
+        }
+        catch (OperationCanceledException) when (stoppingToken.IsCancellationRequested)
+        {
+            logger.LogInformation("Resemblyzer warm-up was cancelled during application shutdown");
+        }
+        catch (Exception exception)
+        {
+            logger.LogError(
+                exception,
+                "Resemblyzer warm-up failed in runtime folder {RuntimeFolder}; voice encoding can still retry on demand",
+                VaultPath.Resolve(options.RuntimeFolder));
+        }
+    }
+}