Changes between Version 52 and Version 53 of HashSourceCodes
- Timestamp:
- Apr 11, 2014, 6:43:19 AM (10 years ago)
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HashSourceCodes
v52 v53 1 1 [[PageOutline(2, Programming Languages)]] 2 OpenSubtitles.org is using special hash function to match subtitle files against movie files. Hash is not dependent on file name of movie file. Read about basics of [http://en.wikipedia.org/wiki/Hash_function hashing functions].2 !OpenSubtitles.org is using special hash function to match subtitle files against movie files. Hash is not dependent on file name of movie file. Read about basics of [http://en.wikipedia.org/wiki/Hash_function hashing functions]. 3 3 4 4 Hash code is based on [http://sourceforge.net/projects/guliverkli/ Media Player Classic]. In natural language it calculates: size + 64bit chksum of the first and last 64k (even if they overlap because the file is smaller than 128k). On opensubtitles.org is movie file size limited to '''9000000000 > $moviebytesize > 131072 bytes''', if is there any reason to change these sizes, let us know. Licence of [http://guliverkli.svn.sourceforge.net/viewvc/guliverkli/ hashing source codes] is [http://sourceforge.net/projects/guliverkli/ GPL]. Source codes was tested on Little Endian - DEC, Intel and compatible
