[M4IF Technotes] OCI -ociDescr

[Jim Bowen]

Hello,
I was wondering if anybody had used the ociDescr field in an object 
descriptor before. I am using mp4tool to encode the file with the syntax 
looking something like:
UPDATE OD [
  ObjectDescriptor {
    objectDescriptorID 4
    esdescr [
    ...esdescr info....
  ]## end of esdescr
  ocidescr [
  OCI_Descriptor{
  KeyWordDescriptor{
    languageCode eng
    keyWordLength 5
    keyword "paper"
    }##end of KeyWordDescriptor
  }
  ]##end of ociDescr
  }
] # end UPDATE OD
but when I try to encode this I get an error saying "unknown field: 
ociDescr"
Is mp4tool capable of encoding oci descriptors, or is there a problem with 
the way I am trying to include the oci information??
I have never used these before, so apologies if this question is a little 
basic,
Thanks very much,
Jim
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