xbmc/xbmc — pull request #1068 by davilla (2012-06-13 17:31:27+00:00)
Title: fixed volume, use consistant units and do not create strange non-linear audio scaling

This restore pre-AE behavior. volume is displayed in dB, we use a linear scaling inside xbmc.

Tested on osx and linux (alsa) to give 1/2 the apparent loudness at 1/2 the scale.