68815d6791
This is as per: * mp4ra: http://mp4ra.org/#/brands * Dolby Vision muxing spec (which is public): https://professional.dolby.com/siteassets/content-creation/dolby-vision-for-content-creators/dolby_vision_bitstreams_within_the_iso_base_media_file_format_dec2017.pdf Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>