Test APM

Author: ladvoc

Tests/AudioProcessingModule.cs

@@ -0,0 +1,44 @@
+using System;
+using NUnit.Framework;
+using System.Runtime.InteropServices;
+
+namespace LiveKit.Tests
+{
+    public class AudioProcessingModuleTest
+    {
+        [Test]
+        public void TestAudioProcessing()
+        {
+            var apm = new AudioProcessingModule(true, true, true, true);
+
+            apm.ProcessStream(CreateTestFrame());
+            apm.ProcessReverseStream(CreateTestFrame());
+
+            Assert.Throws<Exception>(() => apm.ProcessStream(CreateInvalidFrame()));
+            Assert.Throws<Exception>(() => apm.ProcessReverseStream(CreateInvalidFrame()));
+        }
+
+        private AudioFrame CreateTestFrame()
+        {
+            const int SampleRate = 48000;
+            const int NumChannels = 1;
+            const int FramesPerChunk = SampleRate / 100;
+
+            var frame = new AudioFrame(SampleRate, NumChannels, FramesPerChunk);
+
+            var data = new short[frame.SamplesPerChannel * frame.NumChannels];
+            for (int i = 0; i < data.Length; i++)
+            {
+                // Generate a 440Hz sine wave
+                data[i] = (short)(short.MaxValue * Math.Sin(2 * Math.PI * 440 * i / frame.SampleRate));
+            }
+            Marshal.Copy(data, 0, frame.Data, data.Length);
+            return frame;
+        }
+
+        private AudioFrame CreateInvalidFrame()
+        {
+            return new AudioFrame(100, 1, 1);
+        }
+    }
+}