[Mp4-tech] DRM MPEG-4

[Jechiam Gural]

Sunx ,
Thanks for the info. Are there any running examples of these procedure?
Do you have any links to the specs regarding DRM and MPEG-4?
Regards,
Gural
At 08:33 AM 10/24/2003 -0700, you wrote:
>In the MPEG-4 System, you can customize your own atoms by putting them as
>subtree of the atom "uuid". "uuid" is the only atoms allowing you to
>customize. So you can put your own DRM info under the "uuid" atom. Note
>that there may be multiple "uuid" atoms in one mp4 file. Also, you can put
>some encrypted keys there, e.g., the UUID/class id there to make other
>MPEG-4 decoder cannot decode your own DRM info. It depends how you utilize
>them. If you only want to do it in the m4v file, then the only possibility
>is to use the "userdata" segment. Check out the spec for more details.
>
>On Fri, 24 Oct 2003, Jechiam Gural wrote:
>
> > Hello,
> >
> > Does someone have a references available to DRM solutions targeting
> > MPEG-4,  i.e. experience with implementation of a vendor, cost of the
> > software, ( perhaps open source),  example project etc?
> >
> > Thanks,
> >
> > Gural
> >
> >
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