fix(MP4): Add compatible brand dby1 for Dolby content.

shaka-project / shaka-packager

A media packaging and development framework for VOD and Live DASH and HLS applications, supporting Common Encryption for Widevine and other DRM Systems.

https://shaka-project.github.io/shaka-packager/

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fix(MP4): Add compatible brand dby1 for Dolby content. #1211

Closed sr1990 closed 1 year ago

sr1990 commented 1 year ago

This PR adds dby1 compatible brand to dolby content as per https://professional.dolby.com/siteassets/content-creation/dolby-vision-for-content-creators/dolby_vision_bitstreams_within_the_iso_base_media_file_format_dec2017.pdf