HDVSplit - utility for capturing HDV stream from your camcorder with scene splitting by timestamp. You can also split MPEG2 Trasnport Stream files captured earlier - new scenes are detected by date and time read from .m2t file. For preview you need MPEG2 decoder, if you don't have one, try free ffdshow (look below how to configure it).
Input Files: DV
Output Files: DV
Windows XP/Windows Vista