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Subject: discussion of the Creative Commons Metadata work

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  • From: Bjorn Wijers <mailings AT bdisfunctional.net>
  • To: Davide Fugazza <davidefugazza AT gmail.com>, discussion of the Creative Commons Metadata work <cc-metadata AT lists.ibiblio.org>
  • Subject: Re: metadata fun
  • Date: Thu, 21 Jul 2005 14:11:17 +0200

Its quite usefull although the last time I used it the code was a *@#^% mess. So if it does what you want 'pas de problem', but if you need to tweak some of it....you're in trouble.

Davide Fugazza wrote:
On this very topic, there is also the getid3 php library

http://getid3.org/

which has been succesfully used for AGNULA Libre Music website, our
upload/tagging web platform available at

http://muzik.agnula.org/

Cheers,
Davide

On 7/21/05, Mark Fallu <brisvegas1 AT gmail.com> 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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