// Change the focused apps volume by the amount specified
private static void ChangeAppVolume(HashSet <int> appProcessIdCollection, float volumeAmount)
{
// Get all the processes that are an audio session
var defaultAudioDevice = VolumeMixer.GetOutputDevice();
var sessionManager = VolumeMixer.GetAudioSessionManager2(defaultAudioDevice);
var sessions = VolumeMixer.GetAudioSessionEnumerator(sessionManager);
var audioControls = VolumeMixer.GetAudioContols(sessions);
var audioProcessIdCollection = audioControls.Keys.ToHashSet();
// Get all the processes that are audio sessions of the focused application
var commonProcessIdCollection = appProcessIdCollection.Intersect(audioProcessIdCollection);
// Change the volume of all the audio processes of the focused application
foreach (int processId in commonProcessIdCollection)
{
var volumeControl = audioControls[processId] as ISimpleAudioVolume;
var newVolumeLevel = VolumeMixer.GetApplicationVolume(volumeControl) + volumeAmount;
VolumeMixer.SetApplicationVolume(volumeControl, Math.Min(100, Math.Max(0, newVolumeLevel ?? 30f)));
Marshal.ReleaseComObject(volumeControl);
}
Marshal.ReleaseComObject(defaultAudioDevice);
Marshal.ReleaseComObject(sessionManager);
Marshal.ReleaseComObject(sessions);
}
private void Llkl_OnKeyPressed(object sender, LowLevelKeyboardListener.KeyPressedArgs e)
{
if (e.KeyPressed == (int)Keys.Add)
{
IntPtr handle = GetForegroundWindow();
uint pid;
GetWindowThreadProcessId(handle, out pid);
var vol = VolumeMixer.GetApplicationVolume((int)pid);
if (vol.HasValue)
{
VolumeMixer.SetApplicationVolume((int)pid, (float)vol + 2);
}
}
if (e.KeyPressed == (int)Keys.Subtract)
{
IntPtr handle = GetForegroundWindow();
uint pid;
GetWindowThreadProcessId(handle, out pid);
var vol = VolumeMixer.GetApplicationVolume((int)pid);
if (vol.HasValue)
{
VolumeMixer.SetApplicationVolume((int)pid, (float)vol - 2);
}
}
}
private void SetVolume(IntPtr hWnd, float volume)
{
hWnd = FindWindow("MozillaWindowClass", null);
if (hWnd == IntPtr.Zero)
{
return;
}
uint pID;
GetWindowThreadProcessId(hWnd, out pID);
if (pID == 0)
{
return;
}
VolumeMixer.SetApplicationVolume((int)pID, volume);
}
public AudioBalancer()
{
_inputHook = Hook.GlobalEvents();
Console.WriteLine("Welcome!\n");
Console.WriteLine("The following applications were found via your default playback device: ");
var entries = VolumeMixer.GetPresentableMixerEntries();
for (var i = 0; i < entries.Length; i++)
{
Console.WriteLine(i + " - " + entries[i].Id);
}
Console.WriteLine(
"\nPlease enter the number of the application you would like to balance against the rest.");
int?choice = null;
while (choice == null)
{
var userInput = Console.ReadLine();
try
{
choice = entries.ToList().IndexOf(entries[int.Parse(userInput)]);
}
catch (Exception)
{
Console.WriteLine("Sorry, your input did not match a device. Please try again.");
}
}
Console.Clear();
var selected = entries[choice.Value];
var selectedShortName = selected.Id.Split('\\')[1];
entries = VolumeMixer.GetDefaultMixerEntries();
var currentBalance = new ReactiveProperty <int>();
_inputHook.KeyDown += (sender, args) =>
{
if (args.KeyCode == Keys.F10 && args.Control && currentBalance.Value < 50)
{
currentBalance.Value++;
}
if (args.KeyCode == Keys.F11 && args.Control && currentBalance.Value > -50)
{
currentBalance.Value--;
}
};
currentBalance.Subscribe(i =>
{
VolumeMixer.SetApplicationVolume(selected.PId, 50 + i);
foreach (var entry in entries)
{
if (entry.PId == selected.PId)
{
continue;
}
VolumeMixer.SetApplicationVolume(entry.PId, 50 - i);
}
Console.Clear();
Console.WriteLine("Balancing!");
Console.WriteLine("\n");
Console.WriteLine("Press ctrl-f10 to move focus towards " + selectedShortName);
Console.WriteLine("Press ctrl-f11 to move focus towards the non selected apps");
Console.WriteLine("\n");
Console.WriteLine(selectedShortName + ": " + (50 + i) + "\t" + "Other apps: " + (50 - i));
Console.WriteLine("\n");
Console.WriteLine("Press ctrl-c or just close the window to exit");
});
}
static void Main(string[] args)
{
if (args.Length < 1)
{
return;
}
var hWnd = FindWindow("SpotifyMainWindow", "Spotify");
if (hWnd == IntPtr.Zero)
{
hWnd = new IntPtr(int.Parse(args[0]));
}
uint pID;
GetWindowThreadProcessId(hWnd, out pID);
if (pID == 0)
{
return;
}
Console.WriteLine("appid:" + hWnd + ";");
Console.WriteLine("userVolume:" + VolumeMixer.GetApplicationVolume(pID) + ";");
if (args.Length > 1)
{
if (args.Length > 2)
{
if (args[2] == "1")
{
Console.WriteLine("args[0]:" + args[0] + ";args[1]:" + args[1] + "args[2]:" + args[2] + ";");
var curVol = (int)VolumeMixer.GetApplicationVolume(pID);
var diff = curVol - int.Parse(args[1]);
for (int i = 1; i <= diff; i++)
{
VolumeMixer.SetApplicationVolume(pID, curVol - i);
System.Threading.Thread.Sleep(10);
}
}
else if (args[2] == "2")
{
Console.WriteLine("args[0]:" + args[0] + ";args[1]:" + args[1] + "args[2]:" + args[2] + ";");
var curVol = (int)VolumeMixer.GetApplicationVolume(pID);
var diff = curVol + int.Parse(args[1]);
for (int i = 1; i <= diff; i++)
{
VolumeMixer.SetApplicationVolume(pID, curVol + i);
System.Threading.Thread.Sleep(10);
}
}
}
else
{
VolumeMixer.SetApplicationVolume(pID, float.Parse(args[1]));
Console.WriteLine("args[0]:" + args[0] + ";args[1]:" + args[1]);
}
Console.WriteLine("appVolume:" + VolumeMixer.GetApplicationVolume(pID) + ";");
}
else
{
Console.WriteLine("args[0]:" + args[0] + ";");
}
}
