129 lines
3.2 KiB
C#

using FocusVolumeControl;
using FocusVolumeControl.AudioHelpers;
using FocusVolumeControl.AudioSessions;
using System;
using System.Diagnostics;
using System.Text;
using System.Windows;
namespace SoundBrowser;
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
AudioHelper _audioHelper;
Native.WinEventDelegate _delegate;
public MainWindow()
{
InitializeComponent();
_audioHelper = new AudioHelper();
//normally you can just pass a lambda, but for some reason, that seems to get garbage collected
_delegate = new Native.WinEventDelegate(WinEventProc);
Native.RegisterForForegroundWindowChangedEvent(_delegate);
}
public void WinEventProc(IntPtr hWinEventHook, uint eventType, IntPtr hwnd, int idObject, int idChild, uint dwEventThread, uint dwmsEventTime)
{
SetupCurrentAppFields();
SetupAllSessionFields();
}
private void SetupCurrentAppFields()
{
var handle = Native.GetForegroundWindow();
var sb = new StringBuilder();
if (handle != IntPtr.Zero)
{
//use this in debug to help there be less events
/*
Native.GetWindowThreadProcessId(handle, out var fpid);
var fp = Process.GetProcessById(fpid);
if(!fp.ProcessName.Contains("FSD"))
{
return;
}
*/
var processes = _audioHelper.GetPossibleProcesses();
var session = _audioHelper.FindSession(processes);
foreach (var p in processes)
{
var displayName = (new NameAndIconHelper()).GetProcessInfo(p);
sb.AppendLine($"pid: {p.Id}");
sb.AppendLine($"\tprocessName: {p.ProcessName}");
sb.AppendLine($"\tDisplayName: {displayName}");
}
sb.AppendLine();
if (session != null)
{
sb.AppendLine("picked the following best match");
sb.AppendLine($"\tsession: {session.DisplayName}");
sb.AppendLine($"\tvolume: {session.GetVolumeLevel()}");
}
else
{
sb.AppendLine("No Match");
}
}
_tf.Text = sb.ToString();
}
private void SetupAllSessionFields()
{
_tf2.Text = "";
var sb = new StringBuilder();
sb.AppendLine("-------------------------------------------------------------------------------");
var deviceEnumerator = (IMMDeviceEnumerator)new MMDeviceEnumerator();
deviceEnumerator.EnumAudioEndpoints(DataFlow.Render, DeviceState.Active, out var deviceCollection);
deviceCollection.GetCount(out var num);
for (int i = 0; i < num; i++)
{
deviceCollection.Item(i, out var device);
//todo: put the device name in the output
sb.AppendLine($"----");
Guid iid = typeof(IAudioSessionManager2).GUID;
device.Activate(ref iid, CLSCTX.ALL, IntPtr.Zero, out var m);
var manager = (IAudioSessionManager2)m;
manager.GetSessionEnumerator(out var sessionEnumerator);
sessionEnumerator.GetCount(out var count);
for (int s = 0; s < count; s++)
{
sessionEnumerator.GetSession(s, out var session);
session.GetProcessId(out var processId);
session.GetIconPath(out var path);
var audioProcess = Process.GetProcessById(processId);
var displayName = (new NameAndIconHelper()).GetProcessInfo(audioProcess);
sb.AppendLine($"pid: {audioProcess.Id}\t\t processName: {displayName}");
}
_tf2.Text = sb.ToString();
}
}
}