* Decrease memory consumption a bit by using bitfields for some bools
* Rework reduction code
* Drop an unnessacary counter
* Before adding a new entry to the history, try to figure out if we already have an existing entry with the same x value and replace that. This fixes a division by zero
* Fix up input x for all functions, according to the time offset
git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/glitch-free@2316 fefdeb5f-60dc-0310-8127-8f9354f1896f
