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From "Steven Baskin (Jira)" <j...@apache.org>
Subject [jira] [Updated] (TIKA-2935) MP4 content type identified as application/mp4 rather than video/mp4
Date Thu, 05 Sep 2019 02:13:00 GMT

     [ https://issues.apache.org/jira/browse/TIKA-2935?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Steven Baskin updated TIKA-2935:
--------------------------------
    Description: 
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.

  was:
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.


> 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
>            Priority: Minor
>         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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