[M4IF Technotes] .mp4 file content

[Dave Singer]

At 22:59 -0700 6/10/03, George Wong wrote:
>Hi all,
>
>
>I am planning to encrypt a .mp4 file.
>When I open up the .mp4 file using Perl-CGI, I get
>what appears to be Japanese characters.

well, an mp4 file is not a text file, it is a binary container. 
there are a number of papers around on it;  it is also similar to the 
quicktime file format (see www.apple.com/quicktime).  the spec. can 
be bought from iso (www.iso.ch);  look for 14496-1.
>
>What format is the file?
>How do I determine the binary (1's and 0's)
>equivalent?

I'm not sure what you are trying to make equivalent to what.
>
>
>Thanks
>
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-- 
David Singer
Apple Computer/QuickTime