http://bugs.winehq.org/show_bug.cgi?id=14563
--- Comment #3 from Dan Kegel dank@kegel.com 2008-07-21 15:51:25 --- mci supports a seek command string http://msdn.microsoft.com/en-us/library/ms713245(VS.85).aspx so seeking seems like it might be needed by some apps, if not by picasa.