EonaCat
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EonaCat.VolumeMixer
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Merged the managers to 1 volumeMixer manager. 

Create a bugFix where the wrong interface was applied as a check.
This commit is contained in:
EonaCat 2025-07-22 19:13:51 +02:00
parent c2043acbd3
commit 6ecc177c73
7 changed files with 200 additions and 240 deletions
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21
EonaCat.VolumeMixer.Tester/Program.cs
View File

@ -16,7 +16,7 @@ class Program
try
{
// Get all audio PLAYBACK devices
var devices = await volumeMixer.GetAudioDevicesAsync(DataFlow.Output);
var devices = await volumeMixer.GetAudioDevicesAsync(DataFlow.Input);
Console.WriteLine($"Found {devices.Count} playback devices:");
foreach (var device in devices)
@ -36,6 +36,9 @@ class Program
// Get all audio sessions
var sessions = await defaultDevice.GetAudioSessionsAsync();
var sessions2 = await defaultDevice.GetAudioSessionsAsync();
var sessions3 = await defaultDevice.GetAudioSessionsAsync();
var sessions4 = await defaultDevice.GetAudioSessionsAsync();
Console.WriteLine($"Active sessions: {sessions.Count}");
foreach (var session in sessions)
@ -99,15 +102,11 @@ class Program
{
Console.WriteLine($"Error: {ex.Message}");
}
}
// Microphone management example
using (var micManager = new MicrophoneManager())
{
try
{
// Get all microphones
var microphones = await micManager.GetMicrophonesAsync();
var microphones = await volumeMixer.GetMicrophonesAsync();
Console.WriteLine($"Found {microphones.Count} microphones:");
foreach (var mic in microphones)
@ -119,7 +118,7 @@ class Program
}
// Default microphone
using (var defaultMic = await micManager.GetDefaultMicrophoneAsync())
using (var defaultMic = await volumeMixer.GetDefaultMicrophoneAsync())
{
Console.WriteLine($"\nSetting default microphone volume to 1%");
bool success = await defaultMic.SetMasterVolumeAsync(0.1f);
@ -149,15 +148,15 @@ class Program
}
}
Console.WriteLine($"Default mic volume: {await micManager.GetMicrophoneVolumeAsync():P0}");
Console.WriteLine($"Default mic muted: {await micManager.GetMicrophoneMuteAsync()}");
Console.WriteLine($"Default mic volume: {await volumeMixer.GetMicrophoneVolumeAsync():P0}");
Console.WriteLine($"Default mic muted: {await volumeMixer.GetMicrophoneMuteAsync()}");
// Set microphone volume to 60%
bool result = await micManager.SetMicrophoneVolumeAsync(0.6f);
bool result = await volumeMixer.SetMicrophoneVolumeAsync(0.6f);
Console.WriteLine($"Set microphone volume to 60%: {result}");
// Set specific microphone by name
result = await micManager.SetMicrophoneVolumeByNameAsync("USB", 0.7f);
result = await volumeMixer.SetMicrophoneVolumeByNameAsync("USB", 0.7f);
Console.WriteLine($"Set USB microphone volume to 70%: {result}");
}

6
EonaCat.VolumeMixer/EonaCat.VolumeMixer.csproj
View File

@ -18,9 +18,9 @@
<PackageTags>EonaCat, Audio, Volume, Mixer .NET Standard, Jeroen, Saey</PackageTags>
<PackageReleaseNotes></PackageReleaseNotes>
<Description>EonaCat VolumeMixer</Description>
<Version>1.0.0</Version>
<AssemblyVersion>1.0.0.0</AssemblyVersion>
<FileVersion>1.0.0.0</FileVersion>
<Version>1.0.1</Version>
<AssemblyVersion>1.0.0.1</AssemblyVersion>
<FileVersion>1.0.0.1</FileVersion>
<PackageIcon>icon.png</PackageIcon>
</PropertyGroup>

146
EonaCat.VolumeMixer/Managers/MicrophoneManager.cs
View File

@ -1,146 +0,0 @@
using EonaCat.VolumeMixer.Models;
using System;
using System.Collections.Generic;
using System.Threading.Tasks;
namespace EonaCat.VolumeMixer.Managers
{
// This file is part of the EonaCat project(s) which is released under the Apache License.
// See the LICENSE file or go to https://EonaCat.com/License for full license details.
public class MicrophoneManager : IDisposable
{
private readonly VolumeMixerManager _volumeMixer;
private readonly object _syncLock = new();
public MicrophoneManager()
{
_volumeMixer = new VolumeMixerManager();
}
public async Task<List<AudioDevice>> GetMicrophonesAsync()
{
return await _volumeMixer.GetAudioDevicesAsync(DataFlow.Input);
}
public async Task<AudioDevice> GetDefaultMicrophoneAsync()
{
return await _volumeMixer.GetDefaultAudioDeviceAsync(DataFlow.Input);
}
public async Task<bool> SetMicrophoneVolumeAsync(float volume)
{
if (volume < 0f || volume > 1f)
{
return false;
}
AudioDevice defaultMic = await GetDefaultMicrophoneAsync();
if (defaultMic == null)
{
return false;
}
try
{
return await defaultMic.SetMasterVolumeAsync(volume);
}
finally
{
defaultMic.Dispose();
}
}
public async Task<float> GetMicrophoneVolumeAsync()
{
AudioDevice defaultMic = await GetDefaultMicrophoneAsync();
if (defaultMic == null)
{
return 0f;
}
try
{
return await defaultMic.GetMasterVolumeAsync();
}
finally
{
defaultMic.Dispose();
}
}
public async Task<bool> SetMicrophoneMuteAsync(bool mute)
{
AudioDevice defaultMic = await GetDefaultMicrophoneAsync();
if (defaultMic == null)
{
return false;
}
try
{
return await defaultMic.SetMasterMuteAsync(mute);
}
finally
{
defaultMic.Dispose();
}
}
public async Task<bool> GetMicrophoneMuteAsync()
{
AudioDevice defaultMic = await GetDefaultMicrophoneAsync();
if (defaultMic == null)
{
return false;
}
try
{
return await defaultMic.GetMasterMuteAsync();
}
finally
{
defaultMic.Dispose();
}
}
public async Task<bool> SetMicrophoneVolumeByNameAsync(string microphoneName, float volume)
{
if (string.IsNullOrWhiteSpace(microphoneName) || volume < 0f || volume > 1f)
{
return false;
}
List<AudioDevice> microphones = await GetMicrophonesAsync();
foreach (var mic in microphones)
{
try
{
if (mic.Name.IndexOf(microphoneName, StringComparison.OrdinalIgnoreCase) >= 0)
{
return await mic.SetMasterVolumeAsync(volume);
}
}
finally
{
mic.Dispose();
}
}
return false;
}
public void Dispose()
{
lock (_syncLock)
{
_volumeMixer?.Dispose();
}
}
}
}

195
EonaCat.VolumeMixer/Managers/VolumeMixerManager.cs
View File

@ -92,18 +92,12 @@ namespace EonaCat.VolumeMixer.Managers
}
}
}
catch
{
// Skip individual device on error
}
catch { }
}
ComHelper.ReleaseComObject(deviceCollection);
}
catch
{
// Ignore all and return partial/empty result
}
catch { }
}
return devices;
@ -132,45 +126,78 @@ namespace EonaCat.VolumeMixer.Managers
var name = GetDeviceName(device);
return new AudioDevice(device, id, name, true, dataFlow);
}
ComHelper.ReleaseComObject(device);
}
}
catch
{
// Ignore and return null
}
catch { }
return null;
}
});
}
private string GetDeviceName(IMultiMediaDevice device)
public async Task<List<AudioDevice>> GetMicrophonesAsync()
{
return await GetAudioDevicesAsync(DataFlow.Input);
}
public async Task<AudioDevice> GetDefaultMicrophoneAsync()
{
return await GetDefaultAudioDeviceAsync(DataFlow.Input);
}
public async Task<bool> SetAudioDeviceVolumeByNameAsync(string audioDevice, float volume)
{
if (string.IsNullOrWhiteSpace(audioDevice) || volume < 0f || volume > 1f)
{
return false;
}
List<AudioDevice> audioDevices = await GetAudioDevicesAsync();
foreach (var mic in audioDevices)
{
try
{
var result = device.OpenPropertyStore(0, out var propertyStore);
if (result == 0 && propertyStore != null)
if (mic.Name.IndexOf(audioDevice, StringComparison.OrdinalIgnoreCase) >= 0)
{
var propertyKey = PKEY_Device_FriendlyName;
result = propertyStore.GetValue(ref propertyKey, out var propVariant);
if (result == 0 && propVariant.data != IntPtr.Zero)
return await mic.SetMasterVolumeAsync(volume);
}
}
finally
{
string name = Marshal.PtrToStringUni(propVariant.data);
ComHelper.ReleaseComObject(propertyStore);
return !string.IsNullOrEmpty(name) ? name : "Unknown Device";
mic.Dispose();
}
}
ComHelper.ReleaseComObject(propertyStore);
}
}
catch
{
// Ignore and fall through
return false;
}
return "Unknown Device";
public async Task<bool> SetMicrophoneVolumeByNameAsync(string microphoneName, float volume)
{
if (string.IsNullOrWhiteSpace(microphoneName) || volume < 0f || volume > 1f)
{
return false;
}
List<AudioDevice> microphones = await GetMicrophonesAsync();
foreach (var mic in microphones)
{
try
{
if (mic.Name.IndexOf(microphoneName, StringComparison.OrdinalIgnoreCase) >= 0)
{
return await mic.SetMasterVolumeAsync(volume);
}
}
finally
{
mic.Dispose();
}
}
return false;
}
public async Task<bool> SetSystemVolumeAsync(float volume)
@ -254,6 +281,87 @@ namespace EonaCat.VolumeMixer.Managers
}
}
public async Task<float> GetMicrophoneVolumeAsync()
{
AudioDevice defaultMic = await GetDefaultMicrophoneAsync();
if (defaultMic == null)
{
return 0f;
}
try
{
return await defaultMic.GetMasterVolumeAsync();
}
finally
{
defaultMic.Dispose();
}
}
public async Task<bool> SetMicrophoneVolumeAsync(float volume)
{
if (volume < 0f || volume > 1f)
{
return false;
}
AudioDevice defaultMic = await GetDefaultMicrophoneAsync();
if (defaultMic == null)
{
return false;
}
try
{
return await defaultMic.SetMasterVolumeAsync(volume);
}
finally
{
defaultMic.Dispose();
}
}
public async Task<bool> SetMicrophoneMuteAsync(bool mute)
{
AudioDevice defaultMic = await GetDefaultMicrophoneAsync();
if (defaultMic == null)
{
return false;
}
try
{
return await defaultMic.SetMasterMuteAsync(mute);
}
finally
{
defaultMic.Dispose();
}
}
public async Task<bool> GetMicrophoneMuteAsync()
{
AudioDevice defaultMic = await GetDefaultMicrophoneAsync();
if (defaultMic == null)
{
return false;
}
try
{
return await defaultMic.GetMasterMuteAsync();
}
finally
{
defaultMic.Dispose();
}
}
public async Task<List<AudioSession>> GetAllActiveSessionsAsync()
{
return await Task.Run(async () =>
@ -268,10 +376,7 @@ namespace EonaCat.VolumeMixer.Managers
{
allSessions.AddRange(await device.GetAudioSessionsAsync());
}
catch
{
// Skip device on error
}
catch { }
finally
{
device.Dispose();
@ -282,6 +387,30 @@ namespace EonaCat.VolumeMixer.Managers
});
}
private string GetDeviceName(IMultiMediaDevice device)
{
try
{
var result = device.OpenPropertyStore(0, out var propertyStore);
if (result == 0 && propertyStore != null)
{
var propertyKey = PKEY_Device_FriendlyName;
result = propertyStore.GetValue(ref propertyKey, out var propVariant);
if (result == 0 && propVariant.data != IntPtr.Zero)
{
string name = Marshal.PtrToStringUni(propVariant.data);
ComHelper.ReleaseComObject(propertyStore);
return !string.IsNullOrEmpty(name) ? name : "Unknown Device";
}
ComHelper.ReleaseComObject(propertyStore);
}
}
catch { }
return "Unknown Device";
}
public void Dispose()
{
lock (_syncLock)

4
EonaCat.VolumeMixer/Models/AudioDevice.cs
View File

@ -79,8 +79,8 @@ namespace EonaCat.VolumeMixer.Models
try
{
var hr = _endpointVolume.GetMasterVolumeLevelScalar(out var volume);
return hr == 0 ? volume : 0f;
var result = _endpointVolume.GetMasterVolumeLevelScalar(out var volume);
return result == 0 ? volume : 0f;
}
catch
{

12
EonaCat.VolumeMixer/Models/AudioSession.cs
View File

@ -10,6 +10,7 @@ namespace EonaCat.VolumeMixer.Models
// See the LICENSE file or go to https://EonaCat.com/License for full license details.
public class AudioSession : IDisposable
{
private static Guid SharedAppSessionGuid = new Guid("c0a3a9d0-b4dc-58b7-b95e-dcc407dbd8db");
private readonly IAudioSessionControlExtended _sessionControl;
private IAudioVolume _audioVolume;
private bool _isDisposed = false;
@ -33,16 +34,13 @@ namespace EonaCat.VolumeMixer.Models
{
try
{
var result = _sessionControl.GetGroupingParam(out var guid);
if (result == 0)
{
result = sessionManager.GetAudioVolume(ref guid, 0, out var ptr);
// Always use the shared static GUID
var result = sessionManager.GetAudioVolume(ref SharedAppSessionGuid, 0, out var ptr);
if (result == 0 && ptr != IntPtr.Zero)
{
_audioVolume = ComHelper.GetInterface<IAudioVolume>(ptr);
}
}
}
catch
{
_audioVolume = null;
@ -126,8 +124,8 @@ namespace EonaCat.VolumeMixer.Models
{
try
{
var hr = audioVolCopy.SetMasterVolume(volume, ref guid);
if (hr == 0)
var result = audioVolCopy.SetMasterVolume(volume, ref guid);
if (result == 0)
{
await Task.Delay(delayMs);

46
README.md
View File

@ -93,13 +93,13 @@ class Program
[STAThread]
static async Task Main()
{
// Playback management example
// 1. Create the volume mixer manager
using (var volumeMixer = new VolumeMixerManager())
{
try
{
// Get all audio PLAYBACK devices
var devices = await volumeMixer.GetAudioDevicesAsync(DataFlow.Output);
// 2. Get all audio PLAYBACK devices
var devices = await volumeMixer.GetAudioDevicesAsync(DataFlow.Input);
Console.WriteLine($"Found {devices.Count} playback devices:");
foreach (var device in devices)
@ -119,6 +119,9 @@ class Program
// Get all audio sessions
var sessions = await defaultDevice.GetAudioSessionsAsync();
var sessions2 = await defaultDevice.GetAudioSessionsAsync();
var sessions3 = await defaultDevice.GetAudioSessionsAsync();
var sessions4 = await defaultDevice.GetAudioSessionsAsync();
Console.WriteLine($"Active sessions: {sessions.Count}");
foreach (var session in sessions)
@ -182,33 +185,11 @@ class Program
{
Console.WriteLine($"Error: {ex.Message}");
}
}
}
}
```
## Microphone management example:
```csharp
using EonaCat.VolumeMixer.Managers;
using EonaCat.VolumeMixer.Models;
using System;
using System.Threading.Tasks;
class Program
{
// This file is part of the EonaCat project(s) which is released under the Apache License.
// See the LICENSE file or go to https://EonaCat.com/License for full license details.
[STAThread]
static async Task Main()
{
// Microphone management example
using (var micManager = new MicrophoneManager())
{
try
{
// Get all microphones
var microphones = await micManager.GetMicrophonesAsync();
// 3. Get all microphones
var microphones = await volumeMixer.GetMicrophonesAsync();
Console.WriteLine($"Found {microphones.Count} microphones:");
foreach (var mic in microphones)
@ -220,7 +201,7 @@ class Program
}
// Default microphone
using (var defaultMic = await micManager.GetDefaultMicrophoneAsync())
using (var defaultMic = await volumeMixer.GetDefaultMicrophoneAsync())
{
Console.WriteLine($"\nSetting default microphone volume to 1%");
bool success = await defaultMic.SetMasterVolumeAsync(0.1f);
@ -250,15 +231,15 @@ class Program
}
}
Console.WriteLine($"Default mic volume: {await micManager.GetMicrophoneVolumeAsync():P0}");
Console.WriteLine($"Default mic muted: {await micManager.GetMicrophoneMuteAsync()}");
Console.WriteLine($"Default mic volume: {await volumeMixer.GetMicrophoneVolumeAsync():P0}");
Console.WriteLine($"Default mic muted: {await volumeMixer.GetMicrophoneMuteAsync()}");
// Set microphone volume to 60%
bool result = await micManager.SetMicrophoneVolumeAsync(0.6f);
bool result = await volumeMixer.SetMicrophoneVolumeAsync(0.6f);
Console.WriteLine($"Set microphone volume to 60%: {result}");
// Set specific microphone by name
result = await micManager.SetMicrophoneVolumeByNameAsync("USB", 0.7f);
result = await volumeMixer.SetMicrophoneVolumeByNameAsync("USB", 0.7f);
Console.WriteLine($"Set USB microphone volume to 70%: {result}");
}
@ -268,5 +249,4 @@ class Program
}
}
}
}
```