looking for help creating a mime type

Jerome Leclanche jerome at leclan.ch
Mon Apr 11 06:14:44 UTC 2016

You can use the command line hex editor you probably already have
installed. hexdump -C file.aa | less. There's plenty of gui ones too.

A magic number isn't required (nor even necessarily available), the
.aa extension isn't used by anything else I believe so you could just
use that.
J. Leclanche

On Mon, Apr 11, 2016 at 9:09 AM, kendell clark <coffeekingms at gmail.com> wrote:
> hi
> Thank you very much for that link. I now have some of the bits I need to
> create a fully functioning mime type. The one thing I'm missing is a way
> of uniquely identifying audible audio files without relying on the file
> extension. If I can't find this, creating a mime type will be pretty
> easy, but I'd prefer to  be able to uniquely identify the file type if
> possible. It's amusing. The audible website swears that you can't
> convert their files into other formats, and yet I did so via ffmpeg.
> What else should I do? I can't seem to find an accessible hex editor, so
> if anyone is willing to help me out there by getting some form of magic
> info, integer, string, etc that I can use to single out the audible
> format I'd really appreciate it. Don't worry, I'm not asking anyone to
> do all the work for me, I'm still going to file the bug and make sure
> everything complies with the mime spec.
> Thanks
> Kendell Clark
> Jerome Leclanche wrote:
>> Your first step will be figuring out if there is any existing media
>> type for this type of file.
>> Looking at http://www.digitalpreservation.gov/formats/fdd/fdd000103.shtml#sign
>> I see audio/audible
>> audio/x-pn-audibleaudio, the latter which looks like it could be used in xdg.
>> After that you'll want to file a bug on the freedesktop bugzilla
>> (https://bugs.freedesktop.org/), and provide a patch if possible.
>> There's other mime type requests on that bugzilla you can take example
>> on.
>> J. Leclanche
>> On Mon, Apr 11, 2016 at 8:33 AM, kendell clark <coffeekingms at gmail.com> wrote:
>>> hi all
>>> After a lot of digging through my cd collection, I came across an
>>> audible audio file I had backed up who knows how long ago. I've been
>>> wanting to create fully functioning mime types for this and it's
>>> enhanced audio counterpart for a while now. I'm a complete novice at
>>> this, so I'm looking for any willing helpers. I can upload the files
>>> somewhere so if anyone decides to help me they can have access to them.
>>> Note that these are legal files, legally obtained from audible with an
>>> active account, mine. Well, not active anymore, but it was when these
>>> files were obtained. These seem to be mp3 files with some strange stuff
>>> at the beginning, because simply renaming the file extension doesn't
>>> allow them to be played, but I can easily convert them with ffmpeg. Any
>>> help would be greatly appreciated.
>>> Thanks
>>> Kendell Clark
>>> _______________________________________________
>>> xdg mailing list
>>> xdg at lists.freedesktop.org
>>> https://lists.freedesktop.org/mailman/listinfo/xdg
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