TASK 4 ship step 4: WASAPI audio capture — NAudio loopback + mic behind an IAudioSource seam, AudioMixer driving AudioLevel while live, pure level meter + WaveToFloat, NAudio.Wasapi 2.2.1 (MIT, notices item 9) — 139 tests passing, 0 warnings

Services/Audio/AudioSample.cs

@@ -0,0 +1,20 @@
+namespace ytLive.Services.Audio;
+
+/// <summary>
+/// A chunk of interleaved PCM float samples (-1..1) with its format. This is
+/// the unit every <see cref="IAudioSource"/> produces and the
+/// <see cref="AudioMixer"/> consumes (TASK 4 ship step 4).
+/// </summary>
+public sealed class AudioSample
+{
+    public float[] Samples { get; }
+    public int SampleRate { get; }
+    public int Channels { get; }
+
+    public AudioSample(float[] samples, int sampleRate, int channels)
+    {
+        Samples = samples;
+        SampleRate = sampleRate;
+        Channels = channels;
+    }
+}