Inital commit

src/SoundBrowser/App.xaml

@@ -0,0 +1,9 @@
+<Application x:Class="SoundBrowser.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:SoundBrowser"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>

src/SoundBrowser/App.xaml.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace SoundBrowser
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+}

src/SoundBrowser/AssemblyInfo.cs

@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
+                                     //(used if a resource is not found in the page,
+                                     // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
+                                              //(used if a resource is not found in the page,
+                                              // app, or any theme specific resource dictionaries)
+)]

src/SoundBrowser/MainWindow.xaml

@@ -0,0 +1,15 @@
+<Window x:Class="SoundBrowser.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:SoundBrowser"
+        mc:Ignorable="d"
+        Title="MainWindow" Height="150" Width="800">
+    <Grid>
+        <StackPanel>
+        <TextBlock x:Name="_tf">blah</TextBlock>
+        </StackPanel>
+
+    </Grid>
+</Window>

src/SoundBrowser/MainWindow.xaml.cs

@@ -0,0 +1,116 @@
+using CoreAudio;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Diagnostics;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace SoundBrowser
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+            dele = new WinEventDelegate(WinEventProc);
+            IntPtr m_hhook = SetWinEventHook(EVENT_SYSTEM_FOREGROUND, EVENT_SYSTEM_FOREGROUND, IntPtr.Zero, dele, 0, 0, WINEVENT_OUTOFCONTEXT);
+        }
+
+
+        WinEventDelegate dele = null;
+
+
+        delegate void WinEventDelegate(IntPtr hWinEventHook, uint eventType, IntPtr hwnd, int idObject, int idChild, uint dwEventThread, uint dwmsEventTime);
+
+        [DllImport("user32.dll")]
+        static extern IntPtr SetWinEventHook(uint eventMin, uint eventMax, IntPtr hmodWinEventProc, WinEventDelegate lpfnWinEventProc, uint idProcess, uint idThread, uint dwFlags);
+
+        private const uint WINEVENT_OUTOFCONTEXT = 0;
+        private const uint EVENT_SYSTEM_FOREGROUND = 3;
+
+        [DllImport("user32.dll")]
+        static extern IntPtr GetForegroundWindow();
+
+        [DllImport("user32.dll", SetLastError = true)]
+        static extern uint GetWindowThreadProcessId(IntPtr hWnd, out int processId);
+
+        [DllImport("user32.dll")]
+        static extern int GetWindowText(IntPtr hWnd, StringBuilder text, int count);
+
+        private static SimpleAudioVolume GetVolumeObject(Process process)
+        {
+            var deviceEnumerator = new MMDeviceEnumerator(Guid.NewGuid());
+
+            using var device = deviceEnumerator.GetDefaultAudioEndpoint(DataFlow.Render, Role.Multimedia);
+            using var manager = device.AudioSessionManager2;
+
+            var sessions = manager.Sessions;
+
+            foreach (var session in sessions)
+            {
+                if (session.ProcessID == process.Id)
+                {
+                    return session.SimpleAudioVolume;
+                }
+
+                var audioProcess = Process.GetProcessById((int)session.ProcessID);
+                if(audioProcess?.ProcessName == process.ProcessName)
+                {
+                    Console.WriteLine(process.MainModule.FileVersionInfo.FileDescription);
+                    return session.SimpleAudioVolume;
+                }
+            }
+            return null;
+        }
+
+
+        SimpleAudioVolume _current;
+
+        private string GetActiveWindowTitle()
+        {
+            const int nChars = 256;
+            IntPtr handle = IntPtr.Zero;
+            StringBuilder Buff = new StringBuilder(nChars);
+            handle = GetForegroundWindow();
+
+            if (handle <= 0)
+            {
+                return "";
+            }
+
+            var tid = GetWindowThreadProcessId(handle, out var pid);
+            var process = Process.GetProcessById(pid);
+
+            var vol = GetVolumeObject(process);
+            _current = vol;
+            if(vol != null)
+            {
+                vol.Mute = true;
+            }
+
+            return $"{pid} vol:{vol?.MasterVolume ?? -1} - {process.ProcessName}";
+        }
+
+
+        public void WinEventProc(IntPtr hWinEventHook, uint eventType, IntPtr hwnd, int idObject, int idChild, uint dwEventThread, uint dwmsEventTime)
+        {
+            _tf.Text = GetActiveWindowTitle();
+        }
+    }
+
+}

src/SoundBrowser/SoundBrowser.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net7.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+    <UseWPF>true</UseWPF>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="CoreAudio" Version="1.27.0" />
+  </ItemGroup>
+
+</Project>