[Libav-user] compatibility of profile and level for H.264

XUANYU HUANG xuanyu.huang at gmail.com
Wed Dec 2 02:20:36 CET 2015


I'm encoding mp4 videos targeting to Apple iPad Air which supports H.264
High profile level 42.

I know that if a decoder supports a level, means it can decode any video
streams encoded for
that level and all lower levels (with the same profile).

But what I'm wondering is, if I encode to base/main profile for iPad Air,
what highest level could I use?  Could it decode Main profile with whatever
level? or only up to Main profile level 4.2?

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