directx bindings problem

[evilrat]

omg, almost a month passed and i even didn't notice it.

after some "research" i'm still don't know what the problem. some 
COM calls works, some fails(probably wrong method calls, and it 
not crashes just because same args). now i have half working 
d3d11 and not working at all xaudio2.

due to some messiness i don't publish d3d11 yet. but i need help 
with XAudio2, if anyone know what the problem please see my repo 
on github and reply me :(

https://github.com/evilrat666/directx-d

p.s. though xinput is fun and working :)