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Support for multiple audio devices. such as when using voicemeeter

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improved display name and icon support
fixed issues with games like halo master chief collection, which threw exceptions when getting the display name
This commit is contained in:
dlprows
2023-09-30 19:54:35 -06:00
parent 2b10b6d7a6
commit 4c1ccd9025
13 changed files with 602 additions and 182 deletions
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59
src/FocusVolumeControl/AudioSessions/CoreAudio.cs
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@ -1,4 +1,5 @@
using System;
using System.Data;
using System.Runtime.InteropServices;
namespace FocusVolumeControl.AudioSessions;
@ -6,44 +7,66 @@ namespace FocusVolumeControl.AudioSessions;
[ComImport]
[Guid("BCDE0395-E52F-467C-8E3D-C4579291692E")]
internal class MMDeviceEnumerator
public class MMDeviceEnumerator
{
}
internal enum EDataFlow
public enum DataFlow
{
eRender,
eCapture,
eAll,
EDataFlow_enum_count
Render,
Capture,
All,
}
internal enum ERole
public enum Role
{
eConsole,
eMultimedia,
eCommunications,
ERole_enum_count
Console,
Multimedia,
Communications,
}
[Flags]
public enum DeviceState : uint
{
Active = 1 << 0,
Disabled = 1 << 1,
NotPresent = 1 << 2,
Unplugged = 1 << 3,
MaskAll = 0xFu
}
[Guid("0BD7A1BE-7A1A-44DB-8397-CC5392387B5E")]
[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
public interface IMMDeviceCollection
{
[PreserveSig]
int GetCount(out int nDevices);
[PreserveSig]
int Item(int nDevice, out IMMDevice Device);
}
[Guid("A95664D2-9614-4F35-A746-DE8DB63617E6"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
internal interface CoreAudio
public interface IMMDeviceEnumerator
{
int NotImpl1();
[PreserveSig]
int GetDefaultAudioEndpoint(EDataFlow dataFlow, ERole role, out IMMDevice ppDevice);
int EnumAudioEndpoints(DataFlow dataFlow, DeviceState StateMask, out IMMDeviceCollection deviceCollection);
[PreserveSig]
int GetDefaultAudioEndpoint(DataFlow dataFlow, Role role, out IMMDevice device);
}
[Guid("D666063F-1587-4E43-81F1-B948E807363F"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
internal interface IMMDevice
public interface IMMDevice
{
[PreserveSig]
int Activate(ref Guid iid, int dwClsCtx, IntPtr pActivationParams, [MarshalAs(UnmanagedType.IUnknown)] out object ppInterface);
}
[Guid("77AA99A0-1BD6-484F-8BC7-2C654C9A9B6F"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
internal interface IAudioSessionManager2
public interface IAudioSessionManager2
{
int NotImpl1();
int NotImpl2();
@ -53,7 +76,7 @@ internal interface IAudioSessionManager2
}
[Guid("E2F5BB11-0570-40CA-ACDD-3AA01277DEE8"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
internal interface IAudioSessionEnumerator
public interface IAudioSessionEnumerator
{
[PreserveSig]
int GetCount(out int SessionCount);
@ -63,7 +86,7 @@ internal interface IAudioSessionEnumerator
}
[Guid("87CE5498-68D6-44E5-9215-6DA47EF883D8"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
internal interface ISimpleAudioVolume
public interface ISimpleAudioVolume
{
[PreserveSig]
int SetMasterVolume(float fLevel, ref Guid EventContext);