Add startup info and microphone device listing

ButterSTT/AudioUtils.cs

@@ -0,0 +1,65 @@
+using NAudio.CoreAudioApi;
+using NAudio.Wave;
+
+namespace ButterSTT
+{
+    public static class AudioUtils
+    {
+        public static IEnumerable<(
+            int index,
+            WaveInCapabilities device,
+            MMDevice? mmDevice
+        )> EnumerateWaveInDevices()
+        {
+            using var enumerator = new MMDeviceEnumerator();
+            for (var i = -1; i < WaveInEvent.DeviceCount; i++)
+            {
+                (int index, WaveInCapabilities device, MMDevice? mmDevice) device = (
+                    i,
+                    WaveInEvent.GetCapabilities(i),
+                    null
+                );
+
+                if (i >= 0)
+                {
+                    var mmDevices = enumerator.EnumerateAudioEndPoints(
+                        DataFlow.Capture,
+                        DeviceState.Active
+                    );
+
+                    // Try the most likely index first, this makes it more likely to get the
+                    // correct name if multiple are named only slightly differently
+                    if (mmDevices.Count > i)
+                    {
+                        try
+                        {
+                            var likelyDevice = mmDevices[i];
+                            if (likelyDevice.FriendlyName.StartsWith(device.device.ProductName))
+                                device.mmDevice = likelyDevice;
+                        }
+                        catch { }
+                    }
+
+                    // If the device isn't in the same index, search all devices
+                    if (device.mmDevice == null)
+                    {
+                        foreach (var mmDevice in mmDevices)
+                        {
+                            try
+                            {
+                                if (mmDevice.FriendlyName.StartsWith(device.device.ProductName))
+                                {
+                                    device.mmDevice = mmDevice;
+                                    break;
+                                }
+                            }
+                            catch { }
+                        }
+                    }
+                }
+
+                yield return device;
+            }
+        }
+    }
+}

ButterSTT/Constants.cs

@@ -0,0 +1,9 @@
+namespace ButterSTT
+{
+    public static class Constants
+    {
+        public static readonly string Name = "ButterSTT";
+        public static readonly string Version = "0.2.3";
+        public static readonly string Url = "https://github.com/ButterscotchV/ButterSTT";
+    }
+}

ButterSTT/Program.cs

@@ -4,6 +4,18 @@
 
 try
 {
+    // Print program info
+    Console.WriteLine($"Starting {Constants.Name} v{Constants.Version} ({Constants.Url})...\n");
+
+    // Print available audio devices
+    var audioDevices = string.Join(
+        '\n',
+        AudioUtils
+            .EnumerateWaveInDevices()
+            .Select(d => $" - [{d.index}]: {d.mmDevice?.FriendlyName ?? d.device.ProductName}")
+    );
+    Console.WriteLine($"Available audio devices:\n{audioDevices}\n");
+
     // Load config
     JsonConfigHandler<STTConfig> configHandler =
         new("config.json", JsonConfigHandler<STTConfig>.Context.STTConfig);