Implement meeting assistant v1

2026-05-20 02:06:16 +02:00
parent 90df1edc03
commit 0297bcc0f6
120 changed files with 11883 additions and 180 deletions
@@ -0,0 +1,62 @@
+using MeetingAssistant.Recording;
+using MeetingAssistant.Transcription;
+
+namespace MeetingAssistant.Tests;
+
+public sealed class AzureSpeechRecognitionPipelineTests
+{
+    [Fact]
+    public async Task FinishedTranscriptUsesLiveDiarizedAzureSegments()
+    {
+        await using var pipeline = new AzureSpeechRecognitionPipeline(
+            new StaticTranscriptionProvider(
+            [
+                new TranscriptionSegment(TimeSpan.Zero, TimeSpan.FromSeconds(1), "Guest-1", "hello"),
+                new TranscriptionSegment(TimeSpan.FromSeconds(1), TimeSpan.FromSeconds(2), "Guest-2", "there")
+            ]));
+
+        await pipeline.InitializeAsync(CancellationToken.None);
+        await pipeline.WriteAsync(new AudioChunk([1, 0], 16000, 1), CancellationToken.None);
+        await pipeline.CompleteAsync(CancellationToken.None);
+        var liveSegments = new List<TranscriptionSegment>();
+        await foreach (var segment in pipeline.ReadLiveTranscriptAsync(CancellationToken.None))
+        {
+            liveSegments.Add(segment);
+        }
+
+        var finishedSegments = await pipeline.ReadFinishedTranscriptAsync(
+            "ignored.wav",
+            new SpeechRecognitionPipelineOptions(5),
+            CancellationToken.None);
+
+        Assert.Equal(liveSegments, finishedSegments);
+        Assert.Collection(
+            finishedSegments,
+            first => Assert.Equal("Guest-1", first.Speaker),
+            second => Assert.Equal("Guest-2", second.Speaker));
+    }
+
+    private sealed class StaticTranscriptionProvider : IStreamingTranscriptionProvider
+    {
+        private readonly IReadOnlyList<TranscriptionSegment> segments;
+
+        public StaticTranscriptionProvider(IReadOnlyList<TranscriptionSegment> segments)
+        {
+            this.segments = segments;
+        }
+
+        public async IAsyncEnumerable<TranscriptionSegment> TranscribeAsync(
+            IAsyncEnumerable<AudioChunk> audio,
+            [System.Runtime.CompilerServices.EnumeratorCancellation] CancellationToken cancellationToken)
+        {
+            await foreach (var _ in audio.WithCancellation(cancellationToken))
+            {
+            }
+
+            foreach (var segment in segments)
+            {
+                yield return segment;
+            }
+        }
+    }
+}