[M4IF Technotes] Udta atom

Julien Boeuf julien resonate-mp4.com
Fri Jul 19 18:40:42 EDT 2002


Hi,
I don't think so, as long as your atom signatures are not the same as some already registered by ISO or ISMA for example...
ISO uses 'cprt' for copyright
ISMA uses 'name', 'hnti', 'hinf' if I'm not mistaken...
Some others could be normalized to store metadata like the name of the artist, name of the song (in case of audio) etc.. It would prevent people to use horrible ID3V2 tags. QuickTime has already defined these kind of signatures.
    Julien.
  ----- Original Message ----- 
  From: Catrambone Giuliano 
  To: Technotes   lists.m4if.org 
  Sent: Friday, July 19, 2023 4:50 PM
  Subject: [M4IF Technotes] Udta atom
  Hi,
      I have one question,
      did anyone read in ISO any restrictions about puting proprietary atoms in udta?
          rgds
              giuliano
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