[x264-devel] How b_adapt works?

[Tuukka Toivonen]

I'm trying to understand b_adapt algorithm from the latest
svn, but it's hard to make sense of it.

It looks like it encodes a lowres version of some frames
using different frame types (P/B), computes a score using
SATD and the lowres frame, and does a decision based on
that.

There seems to be two algorithms, first disabled (#if 0).
What means "BFS"?
What is this "path" thing?
What the indices are in frame->i_cost_est[16][16]?
What are the last three parameters p0,p1,b
in x264_slicetype_frame_cost?

I would greatly appreciate for some help.

File: slicetype_decision.c

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