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From "Steven Baskin (Jira)" <j...@apache.org>
Subject [jira] [Created] (TIKA-2935) MP4 content type identified as application/mp4 rather than video/mp4
Date Thu, 05 Sep 2019 02:09:00 GMT
Steven Baskin created TIKA-2935:
-----------------------------------

             Summary: MP4 content type identified as application/mp4 rather than video/mp4
                 Key: TIKA-2935
                 URL: https://issues.apache.org/jira/browse/TIKA-2935
             Project: Tika
          Issue Type: Bug
          Components: detector, mime
    Affects Versions: 1.21
            Reporter: Steven Baskin
         Attachments: Smile_Doctors_-_Team_Members.mp4

Im currently trying to use Tika detector to identify the content type of the file attached
to this ticket. Using both the default detector with default config in java and the {{tika-app-1.21 }}jar
the type is being returned as {{application/mp4}}.

According to [https://tools.ietf.org/html/rfc4337]::
{quote}Selection of MIME Types for MP4 Files

 The MIME types to be assigned to MP4 files are selected according to
 the contents. Basic guidelines for selecting MIME types are as
 follows:

 a) if the file contains neither visual nor audio presentations, but
 only, for example, MPEG-J or MPEG-7, use application/mp4;

 b) for all other files, including those that have MPEG-J, etc., in
 addition to video or audio streams, video/mp4 should be used;
 however:

 c) for files with audio but no visual aspect, including those that
 have MPEG-J, etc., in addition to audio streams, audio/mp4 may be
 used.
{quote}
As the file has both video and audio components, it seems this file type should be identified
as {{video/mp4.}}

I was hoping to get some help in working out whether this a bug that can be fixed or if there
is a problem on my end.



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