public void Dispose()
{
_continue = false;
if (_headPoseCallbackInstance != null)
{
Interop.tobii_head_pose_unsubscribe(_device.Handle);
}
_device.Dispose();
_thread.Join(300);
_headPoseCallbackInstance = null;
}
internal TobiiTracker(ApiContext api)
{
_device = api
.GetDeviceUrls()
.Select(u => new DeviceContext(api.Handle, u))
.FirstOrDefault();
if (_device != null)
{
var result = Interop.tobii_stream_supported(_device.Handle, tobii_stream_t.TOBII_STREAM_HEAD_POSE, out var headPoseSupported);
if (result == tobii_error_t.TOBII_ERROR_NO_ERROR && headPoseSupported)
{
_headPoseCallbackInstance = HeadPoseCallback;
result = Interop.tobii_head_pose_subscribe(_device.Handle, _headPoseCallbackInstance);
}
_thread = new Thread(DataPump);
_thread.IsBackground = true;
_thread.Name = $"Headpose datapump for {_device.SerialNumber}";
_thread.Start();
}
}
public static extern tobii_error_t tobii_head_pose_subscribe(IntPtr device, tobii_head_pose_callback_t callback);