static void OnExit()
{
foreach (var stream in _inputStreams)
{
stream.Dispose();
}
_context?.Dispose();
_context = null;
}
// Scan and update the input device list.
// It reuses object handles if their bound devices are still there.
public void ScanAvailable(SoundIO.Context context)
{
var deviceCount = context.InputDeviceCount;
var defaultIndex = context.DefaultInputDeviceIndex;
var founds = new List <InputDeviceHandle>();
for (var i = 0; i < deviceCount; i++)
{
var dev = context.GetInputDevice(i);
// Check if the device is useful. Reject it if not.
if (dev.IsRaw || dev.Layouts.Length < 1)
{
dev.Dispose();
continue;
}
// Find the same device in the current list.
var handle = _list.FindAndRemove(h => h.SioDevice.ID == dev.ID);
if (handle != null)
{
// We reuse the handle, so this libsoundio device object
// should be disposed.
dev.Dispose();
}
else
{
// Create a new handle with transferring the ownership of
// this libsoundio device object.
handle = InputDeviceHandle.CreateAndOwn(dev);
}
// Default device: Insert it at the head of the list.
// Others: Simply append it to the list.
if (i == defaultIndex)
{
founds.Insert(0, handle);
}
else
{
founds.Add(handle);
}
}
// Dispose the remained handles (disconnected devices).
foreach (var dev in _list)
{
dev.Dispose();
}
// Replace the list with the new one.
_list = founds;
}
static SoundIO.Context GetContextWithLazyInitialization()
{
if (_context == null)
{
// libsoundio context initialization
_context = SoundIO.Context.Create();
_context.OnDevicesChange = _onDevicesChangeDelegate;
_context.Connect();
_context.FlushEvents();
// Install the Player Loop System.
InsertPlayerLoopSystem();
}
return(_context);
}
static SoundIO.Context GetContextWithLazyInitialization()
{
if (_context == null)
{
// libsoundio context initialization
_context = SoundIO.Context.Create();
_context.Connect();
_context.FlushEvents();
// Install the Player Loop System.
InsertPlayerLoopSystem();
// Install the "on-exit" callback.
UnityEngine.Application.quitting += OnExit;
}
return(_context);
}
