H.264 High Profile level 4.2, CODECS attribute of the EXT-X-STREAM-INF tag

Hi Experts,


iPhone6/6s support H.264 High Profile level 4.2.

http://www.apple.com/jp/iphone-6s/specs/

http://www.apple.com/jp/iphone-6/specs/


However, there is no description about "H.264 High Profile level 4.2" in apples's formal spec sheet.

https://developer.apple.com/library/ios/documentation/NetworkingInternet/Conceptual/StreamingMediaGuide/FrequentlyAskedQuestions/FrequentlyAskedQuestions.html


What is the value of H.264 High Profile level 4.2?

e.g. H.264 High Profile level 4.1 "avc1.640029"


Thanks,

Akira Ueda

Answers

These are determined by various specs but the value you seek is:


avc1.64002A