There is a pc software Bluesoleil. In wikipedia, it says it supports a2dp and avrc on a pc. It has free download on their site. Give it a try and let us know if it works

Edit: This seems to be to enable PC for connecting A2DP devices

Here are some hard ways to do it if you have some compiling skills

http://www.voxel.at/tikiwiki/tiki-in...BluezHandsfree
http://blog.gustavobarbieri.com.br/2...our-linux-box/