fix downsampling/resampling add support for U8 samples git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@49 fefdeb5f-60dc-0310-8127-8f9354f1896f
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@45 fefdeb5f-60dc-0310-8127-8f9354f1896f
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@44 fefdeb5f-60dc-0310-8127-8f9354f1896f