Hi, I'm considering adding support for writing the QuickTime metadata atom structure to support arbitrary key value pairs, similar to those included by ARRI cameras see:
https://developer.apple.com/library/prerelease/mac/documentation/QuickTime/QTFF/qtff.pdf p128 To start I was going to try add reading of the metadata, as such I was wondering about FFmpeg's current metadata handling and how to add the metadata found in these atoms to the internal structures. Nominally these metadata atoms can appear in multiple places within the QuickTime file. In particular I wondered if there is any need for name spacing the keys similar to the way the QuickTime specifications use the 'mdta' handler field both as a way to distinguish from the current 'well known named' metadata as well as to potentially support multiple sets of metadata from different parts of the atom tree hierarchy (I haven't worked out if there is a 1:1 mapping with the way ffmpeg currently stores metadata vs potential positions in the atom tree) Has anybody considered this previously and could point me in the right direction? Thanks Kevin _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel