On Monday 14 June 2010 16:24:38 John T. Mertz wrote: > Regarding that thread: am I understanding correctly then that kdenlive > stores md5 hashes for every file you import?
yes > I would expect this to be > a performance issue for big projects. For example, editing a 2-hour 5 > camera production or similar. Especially in HD, you would end up with > huge files which generating hashes on would not be very efficient, all the tests so far has proven it to be FAST. of course, if you submit different data, we may discuss on that. there was the idea to make it an option, which is not that bad actually > and > hashing only the start/end of the file would not be very accurate > either since you could end up with a huge portion of clips unchecked. > It wasn't clear in the thread what the final resolution was, though it > sounded like a hash IS generated. hash of the first 1 (or 10? i don't remember) megabyte plus last 1 (10) megabyte and file size are stored. that doesn't cover any possibility, but i hope it manages at least 98% of them -- Alberto Villa, FreeBSD committer <avi...@freebsd.org> http://people.FreeBSD.org/~avilla Briefcase, n.: A trial where the jury gets together and forms a lynching party.
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