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how to check whether both videos are equal?

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how to check whether both videos are equal?
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Walter Roberson
Walter Roberson on 10 Nov 2013
Your plan is to create an automatic rating service for Rotten Tomatoes? By taking a few key movies with known Critic's Ratings, and comparing a new movie to them using your program, you can automatically determine which other movie the new movie is equal to in aesthetic quality ?

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Accepted Answer

Jan on 10 Nov 2013
Edited: Jan on 10 Nov 2013
Compare them.
Open both files and compare them byte by byte. Because this can be time consuming, a usual method is comparing the file size at first. If they match, compare the first 1000 bytes. If they match, create a "hash" for the files, e.g. MD5, see DataHash or CalcMD5.

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