prevent srwork to play with the position of the scene

[BelleGueule]

How can I prevent srwork to play with the position of the scene in unity, an exemple would be to pass from a standing position to a crouch or prone position, you can clearly see the scene moving on the y axis as you do Aka hmd goes down the scene follow

It's also noticeable when doing fast movement right left but less Than up down
The result I would like is to have an object at 0,0,0 That never move

 

is it possible?  

 

 

might be related to  https://community.viveport.com/t5/Vive-SRWorks-SDK/Parallax-effect-when-using-depth-camera-and-virtual-objects/m-p/19502#M388

[BelleGueule]

Sorry for the double post, i have a deadline pretty close and would love to have more info before saying "WNF third party Limitation"