fixed issue with mono input devices being initialized as stereo

Author: joreg

.gitignore

@@ -4,3 +4,4 @@ obj/
 /.vl/
 /lib/net472/
 /lib/net6.0-windows/
+/lib/net8.0-windows/

VL.Audio/src/Core/AudioEngine.cs

@@ -307,8 +307,8 @@ public bool IsSampleRateSupported(int sampleRate)
 
         public void GetSupportedChannels(out int inputChannels, out int outputChannels)
         {
-            inputChannels = 2;
-            outputChannels = 2;
+            inputChannels = 0;
+            outputChannels = 0;
 
             if (CurrentDevice is AsioOut asioOut)
             {

VL.Audio/src/Core/WasapiInOut.cs

@@ -22,8 +22,8 @@ public class WasapiInOut : IDisposable
         public bool OutputInitialized { get; private set; }
         public bool InputInitialized { get; private set; }
 
-        public int DriverOutputChannelCount { get; internal set; } = 2;
-        public int DriverInputChannelCount { get; internal set; } = 2;
+        public int DriverOutputChannelCount => Output.OutputWaveFormat.Channels;
+        public int DriverInputChannelCount => Input.WaveFormat.Channels;
         public ISampleProvider InputSampleProvider { get; private set; }
 
         public WasapiInOut(MMDevice outputDevice, MMDevice inputDevice, bool isLoopback)
@@ -52,17 +52,28 @@ internal void SetupDevices()
 
         internal void InitRecordAndPlayback(MasterWaveProvider masterWaveProvider, int inputChannels, int sampleRate)
         {
-            Output?.Init(masterWaveProvider);
-            Input?.StartRecording();
+            OutputInitialized = false;
+            InputInitialized = false;
 
-            OutputInitialized = Output != null;
-            InputInitialized = Input != null;
-
-            if (OutputInitialized)
-                DriverOutputChannelCount = MMOutDevice.AudioClient.MixFormat.Channels;
+            try
+            {
+                Output?.Init(masterWaveProvider);
+                OutputInitialized = Output != null;
+            }
+            catch (Exception)
+            {
+                Output?.Dispose();
+            }
 
-            if (InputInitialized)
-                DriverInputChannelCount = MMInDevice.AudioClient.MixFormat.Channels;
+            try
+            {
+                Input?.StartRecording();
+                InputInitialized = Input != null;
+            }
+            catch (Exception)
+            {
+                Input?.Dispose();
+            }
         }
 
         public void Dispose()

VL.Audio/src/VL.Audio.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0-windows</TargetFramework>
+    <TargetFramework>net8.0-windows</TargetFramework>
     <OutputPath>..\lib\</OutputPath>
     <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
 
@@ -10,9 +10,9 @@
 
   <ItemGroup>
     <PackageReference Include="FftSharp" Version="1.1.4" />
-    <PackageReference Include="NAudio" Version="2.0.1" />
+    <PackageReference Include="NAudio" Version="2.2.1" />
     <PackageReference Include="NWaves" Version="0.9.6" />
-    <PackageReference Include="VL.Core" Version="2023.5.3-0231-g927f01ae18" />
+    <PackageReference Include="VL.Core" Version="2024.6.6" />
   </ItemGroup>
 
 </Project>