I've been using ffmpeg/libav for quite a while to decode video as part of an application that handles misb (http://www.gwg.nga.mil/misb/) streams, including KLV metadata (both 601 and 104). We've come to a point where we would like to offer real time transcoding if incoming video.
Unfortunately, there's no support for klv and so it gets dropped (it typically gets identified as a zero channel audio stream). I think this would be a good opportunity for me to start giving back to the community, but I'm a bit overwhelmed by where to start on something like this. I'm hoping that somebody has done some work on handling generic data types that I may be able to use as a starting point. (i typically learn much faster from example than any other method). Any help, or direction would be greatly appreciated! Many thanks.
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