On Fri, 2007-06-08 at 00:01 +0200, Cyrille Berger wrote: > Hello, > > I am currently working on XMP for Krita, and Gilles Caullier has told me that > one problem with XMP for photograph is that it can't serialize Makernote > (small binary chunks inside exif which can be used to manufacturers to extend > the exif specification to include more information). And searching in google > for XMP and Makernote, you can see that quiet a lot of people are complaining > about that. > The problem about those Makernote is the unavailability of their > specification, some effort has been made to reverse engineered them (a > summary of the effort is available at exiv2 website: > http://www.exiv2.org/makernote.html), but the result is far to be exhaustive, > so there is need to keep the old makernote data chunk with the hope, that in > the future more information can be exctracted from it (and anyway it's needed > to save back to exif). > > So I propose, one schema for the data chunk: > uri: http://create.freedesktop.org/xmp/MakerNote/1.0 > prefix: mkn > > With only value: > > RawData as a String with the MakerNote encoded in base64 > > Then as many schema as specification, with an uri of the form > http://create.freedesktop.org/xmp/MakerNote/MANUFACTURER/VERSION > > For instance, for Canon (http://www.burren.cx/david/canon.html) > http://create.freedesktop.org/xmp/MakerNote/Canon/1.0 > > With tags beeing: > ImageType as string > FirmwareVersion as string > ImageNumber as integer > OwnerName as string > CameraSerialNumber as integer > MacroMode as boolean > Quality as choice > FlashMode as choice > ... > > What do you think ?
It sounds all good to me...Hubert and others, what do you think? Jon -- Jon Phillips San Francisco, CA USA PH 510.499.0894 [EMAIL PROTECTED] http://www.rejon.org MSN, AIM, Yahoo Chat: kidproto Jabber Chat: [EMAIL PROTECTED] IRC: [EMAIL PROTECTED] _______________________________________________ CREATE mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/create
