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In practice most of that doesn't work reliably, anyway, despite this being standardized and specificied e.g. for some MP4 stuff. Even if you could export such a file from AE it's entirely up to the player software to interpret and handle the data correctly. Therefore there would be little point having such features in AE when the files don't work and you have to do it all over again after you've uploaded stuff to YouTube et al.

Mylenium

You don't. The workflow is not supported in AE because the information is not encoded in a video stream. It is part of player software like DVD authoring apps or YouTube's editing options.