Looks like its relatively easy to do in camera dark frame subtraction... at least on silent pics.
FA_SubtractTestImage pSrc=%#lx, pDark=%#lx, pDest=%#lx",0
Doubt it for mlv/raw, esp since the live preview doesn't want to work with Furikake.
Remove hot pixels with the defect correction engine?
FA_DefectsTestImage pSrc=%#lx, pDest=%#lx",0
wonder how fast this one is.