is mmkeybsupp.dll a keylogger in BSplayer ??

[bscini]

I was using bsplayer for a long time.
I installed antilogger on my pc.
when I open an avi file, keylogger alerts,
says "do you allow , mmkeybsupp.dll . in program BSplayer"
its seen as logs "program : BSplayer , file : mmkeybsupp.dll description: BSP Shell Hook"

is this file dangerous file?
do I need to trust this file, or do I need to block with the antilogger?
what is this file????



ss is below ...