public void Dispose()
{
try
{
_device.AudioEndpointVolume.OnVolumeNotification -= AudioEndpointVolume_OnVolumeNotification;
_device = null;
}
catch (Exception exc)
{
Console.WriteLine("Problem disposing Sound Device " + exc.Message);
}
finally
{
if (_session != null)
{
_session.UnRegisterEventClient(this);
_session = null;
GC.Collect();
}
}
}
public void Initialize(int rate = -1) // !!! Must be called from the same thread that was initialized
{
if (uiThread.InvokeRequired)
{
uiThread.BeginInvoke(new Action(() => Initialize(rate))); return;
}
lock (locker)
{
if (rate != -1)
{
Rate = rate;
}
// Dispose | UnRegister
if (device != null)
{
device.AudioEndpointVolume.OnVolumeNotification -= OnMasterVolumeChanged;
}
if (session != null)
{
session.UnRegisterEventClient(this);
}
if (player != null)
{
player.Dispose();
}
if (buffer != null)
{
buffer.ClearBuffer();
}
if (session != null)
{
session.UnRegisterEventClient(this);
}
// Initialize
format = WaveFormatExtensible.CreateIeeeFloatWaveFormat(Rate, CHANNELS);
buffer = new BufferedWaveProvider(format);
buffer.BufferLength = 1000 * 1024;
player = new WaveOut();
player.DeviceNumber = 0;
player.DesiredLatency = NAUDIO_DELAY_MS;
player.Init(buffer);
player.Volume = 1; // Currently we change only Master volume to achieve constants change levels
player.Play();
device = deviceEnum.GetDefaultAudioEndpoint(DataFlow.Render, Role.Multimedia);
device.AudioEndpointVolume.OnVolumeNotification += OnMasterVolumeChanged;
for (int i = 0; i < device.AudioSessionManager.Sessions.Count; i++)
{
if (processId == device.AudioSessionManager.Sessions[i].GetProcessID) // && !deviceInit.AudioSessionManager.Sessions[i].IsSystemSoundsSession)
{
session = device.AudioSessionManager.Sessions[i];
player.Volume = session.SimpleAudioVolume.Volume;
session.RegisterEventClient(this);
}
}
VolumeChanged?.BeginInvoke(this, new VolumeChangedArgs((int)(player.Volume * device.AudioEndpointVolume.MasterVolumeLevelScalar * 100), (session != null ? session.SimpleAudioVolume.Mute : false) || device.AudioEndpointVolume.Mute), null, null);
}
}
