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 <[email protected]> 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 <[email protected]> >> 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 >>> [email protected] >>> https://lists.freedesktop.org/mailman/listinfo/xdg > > _______________________________________________ > xdg mailing list > [email protected] > https://lists.freedesktop.org/mailman/listinfo/xdg _______________________________________________ xdg mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/xdg
