abrasive/shairport — pull request #346 by Nachtzuster (2014-07-09 10:32:42+00:00)
Title: fix: lower base sample for interpolated sample could be out-of-bounds

part2 of the patch series created in my sntp branch but are not necessary to enable the time sync feature

stuffsamp could be 0, then the interpolation will use inptr[-2]
that's not a sample...