[Ffmpeg-devel] [PATCH] port ratecontrol step_mult stuff from x264

[Corey Hickey]

Hello,

A while ago Michael suggested this change.

http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2006-September/014896.html

I'm not advocating the inclusion of this patch as of yet, but I wanted
to submit it for review.

Most of the code is copied straight out of x264 ratecontrol.c, with
slight modifications to make structure names and macro usage match
libavcodec.

I ran a few test encodes, but there wasn't much effect: a 0.05%
difference in bitrate on the 2nd and 3rd passes.

Michael, Loren, have I made this patch correctly? If so, what is the
expected benefit?

Thanks,
Corey
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