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Posted to dev@tika.apache.org by "Christian Schmidt (Jira)" <ji...@apache.org> on 2024/09/18 20:17:00 UTC

[jira] [Created] (TIKA-4312) audio/mp4 a subclass of video/mp4

Christian Schmidt created TIKA-4312:
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             Summary: audio/mp4 a subclass of video/mp4
                 Key: TIKA-4312
                 URL: https://issues.apache.org/jira/browse/TIKA-4312
             Project: Tika
          Issue Type: Improvement
          Components: tika-core
            Reporter: Christian Schmidt


tika-mimetypes.xml currently defines these two {{<sub-class-of>}} ancestor chains:
 * audio/mp4 → application/quicktime.
 * video/mp4 → video/quicktime → application/quicktime.

Based on [RFC 4337, section 2|https://datatracker.ietf.org/doc/html/rfc4337#section-2], it is my understanding that audio/mp4 is a special case of video/mp4. I thus suggest changing the ancestor chain of audio/mp4 to this:
 * audio/mp4 → video/mp4 → video/quicktime → application/quicktime



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