void OnEnable()
{
if (_device != null)
{
_device.IsActive = true;
}
#if UNITY_5_4_OR_NEWER || (UNITY_5 && !UNITY_5_0 && !UNITY_5_1)
if (_renderFunc == System.IntPtr.Zero)
{
_renderFunc = AVProLiveCameraPlugin.GetRenderEventFunc();
}
#endif
}