Enosoft DV Processor - a free-as-in-beer for personal use DV processing tool, US$129 for a commecial version with some more features I'll probably never need. I use it for flipping bits in DV data to specify it's 16:9 instead of 4:3, but it seems to be able to do so much more than that.

drivers for Samsung VP-D361i mini-dv camcorder