metadata fun

Nathan R. Yergler nathan at yergler.net
Thu Jul 21 09:11:44 EDT 2005


I'm not familiar with MMPtyhon, but Pymedia isn't a suitable basis for 
building upon.  I used it in developing a ccPublisher derivative for 
Jameno (http://jamendo.org), and it's fickle and buggy on it's best 
days.  The mailing list has been slightly more active lately, so maybe 
some of these issues are being corrected.

Nathan


Mark Fallu wrote:

>There are two python products that are interesting in this area:
>
>Pymedia - http://pymedia.org/ (based on ffmpeg can read / transcode
>etc a variety of media files including mov.)
>and
>MMPython - http://sourceforge.net/projects/mmpython/ (a multimedia
>metadata parser that can read all sorts of meta data eg. id3 and
>quickitime atoms)
>
>Both of which would be a good basis for going forward and building an
>app that can not only read the existing meta data - but can write the
>metadata too.  Usefully they are not targeted specifically at
>Quicktime so would be a basis for a more generic system of multimedia
>file metadata manipulation.
>
>The quicktime api documentation of MOOV atoms can be found here -
>http://developer.apple.com/documentation/QuickTime/APIREF/-moov-.htm
>(quicktime is just a container format - so the video stream has a
>separate MOOV atom as does the video stream and the metadata etc)
>
>Quicktime file format specification here:
>http://developer.apple.com/documentation/QuickTime/QTFF/index.html
>
>What we need is a standalone crossplatform app that can (in the manner
>of ccpublisher) alter the metadata atom and leave the rest of the
>quicktime file intact.
>
>Currently - we have to things like quicktime pro to make these
>modifications - but that is really only suitable for manual use on
>individual files on either windows or macs.
>
>I am more interested in a truly system that would allow users to
>upload files to a server and edit the metadata through the web or to
>batch process files on the desktop.
>
>Cheers,
>
>Mark
>
>
>
>On 7/21/05, Kevin Marks <cc at mediagora.com> wrote:
>  
>
>>QT has a copyright field in it's general metadata. I put the CC license
>>including link in that. eg
>>
>>http://homepage.mac.com/kevinmarks/bacon.mov
>>
>>Open in qt player to see the licence, which reads:
>>
>>This work is licensed under a <a rel="license"
>>href="http://creativecommons.org/licenses/by-nc-sa/2.0/">Creative
>>Commons License</a>
>>
>>
>>On Jul 20, 2005, at 9:01 PM, Jon Phillips wrote:
>>
>>    
>>
>>>On Thu, 2005-07-21 at 13:33 +1000, Mark Fallu wrote:
>>>      
>>>
>>>>Hey folks,
>>>>
>>>>What is the current state of embedding CC metadata in Quicktime?  Do
>>>>you know if anyone has made a start on the .mov format?
>>>>        
>>>>
>>>It would be great to develop a library that would work on multiple
>>>formats, and develop a generic system that could work for quicktime as
>>>well to embed cc metadata.
>>>
>>>I did a google search, but couldn't find much (although I stayed at
>>>under 100 searches). I'm sure Mike, or others could speak to this
>>>better.
>>>      
>>>
>>    
>>
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>  
>



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