[x264-devel] Temporal layers with x264

[Loren Merritt]

On Fri, 14 Aug 2015, Krzysztof Hebel wrote:

> I am interested in obtaining a bitstream with 2 temporal layers using
> x264. My understanding is, that it should be possible with
> "--b-pyramid strict" option and by limiting the number of reference
> frames. Is that correct? Would it be possible with the current
> implementation to obtain a bitstream with hierarchical P frames only
> (my suspicion is no)?

"--b-pyramid strict --b-adapt 0" is necessary and sufficient.
You do not need to change the number of reference frames.
x264 does not support hierarchical P frames.

--Loren Merritt