[x264-devel] x264 level for 1080i content

[BugMaster]

On Thu, 23 Jun 2016 23:01:20 +0200, Weasel Friend wrote:
> Thank you so much for your response! Very helpful!

> Do you know why levels 5.0, 5.1 and 5.2 do not allow interlaced encoding?
> Maybe I overlooked it in the spec?

> Thanks

It is in A.3.3.2 (frame_mbs_only_flag of Table A-4) of H.264 spec.
And there is no explanation of why in the spec.