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Posted to dev@tika.apache.org by "Nick Burch (JIRA)" <ji...@apache.org> on 2010/01/26 16:28:34 UTC

[jira] Created: (TIKA-372) Channel and SampleRate information for MP3 files

Channel and SampleRate information for MP3 files
------------------------------------------------

                 Key: TIKA-372
                 URL: https://issues.apache.org/jira/browse/TIKA-372
             Project: Tika
          Issue Type: Improvement
          Components: parser
    Affects Versions: 0.6
            Reporter: Nick Burch
            Priority: Minor


Currently, the AudioParser for wave files extracts channel and samplerate metadata (along with a few other things).

The attached patch adds the same support to the MP3 parser, via decoding the first audio frame.

If applied, these audio related keys should probably be added to the main Metadata class.

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[jira] Resolved: (TIKA-372) Channel and SampleRate information for MP3 files

Posted by "Jukka Zitting (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/TIKA-372?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jukka Zitting resolved TIKA-372.
--------------------------------

       Resolution: Fixed
    Fix Version/s: 0.7
         Assignee: Jukka Zitting

I added XMPDM metadata properties in revision 904858 and made the MP3 parser use them.

> Channel and SampleRate information for MP3 files
> ------------------------------------------------
>
>                 Key: TIKA-372
>                 URL: https://issues.apache.org/jira/browse/TIKA-372
>             Project: Tika
>          Issue Type: Improvement
>          Components: parser
>    Affects Versions: 0.6
>            Reporter: Nick Burch
>            Assignee: Jukka Zitting
>            Priority: Minor
>             Fix For: 0.7
>
>         Attachments: mp3-audio-info.patch
>
>
> Currently, the AudioParser for wave files extracts channel and samplerate metadata (along with a few other things).
> The attached patch adds the same support to the MP3 parser, via decoding the first audio frame.
> If applied, these audio related keys should probably be added to the main Metadata class.

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You can reply to this email to add a comment to the issue online.


[jira] Updated: (TIKA-372) Channel and SampleRate information for MP3 files

Posted by "Nick Burch (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/TIKA-372?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Nick Burch updated TIKA-372:
----------------------------

    Attachment: mp3-audio-info.patch

> Channel and SampleRate information for MP3 files
> ------------------------------------------------
>
>                 Key: TIKA-372
>                 URL: https://issues.apache.org/jira/browse/TIKA-372
>             Project: Tika
>          Issue Type: Improvement
>          Components: parser
>    Affects Versions: 0.6
>            Reporter: Nick Burch
>            Priority: Minor
>         Attachments: mp3-audio-info.patch
>
>
> Currently, the AudioParser for wave files extracts channel and samplerate metadata (along with a few other things).
> The attached patch adds the same support to the MP3 parser, via decoding the first audio frame.
> If applied, these audio related keys should probably be added to the main Metadata class.

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[jira] Commented: (TIKA-372) Channel and SampleRate information for MP3 files

Posted by "Jukka Zitting (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/TIKA-372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12805111#action_12805111 ] 

Jukka Zitting commented on TIKA-372:
------------------------------------

Quite useful, thanks! I applied the patch in revision 903334.

About the metadata keys, I'd actually like to replace the custom keys we now use with the equivalent xmpDM keys from the XMP standard. See http://markmail.org/message/ivsnmgtodwjb5xzy for more background.


> Channel and SampleRate information for MP3 files
> ------------------------------------------------
>
>                 Key: TIKA-372
>                 URL: https://issues.apache.org/jira/browse/TIKA-372
>             Project: Tika
>          Issue Type: Improvement
>          Components: parser
>    Affects Versions: 0.6
>            Reporter: Nick Burch
>            Priority: Minor
>         Attachments: mp3-audio-info.patch
>
>
> Currently, the AudioParser for wave files extracts channel and samplerate metadata (along with a few other things).
> The attached patch adds the same support to the MP3 parser, via decoding the first audio frame.
> If applied, these audio related keys should probably be added to the main Metadata class.

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You can reply to this email to add a comment to the issue online.