[x265] bframe bias config document and the comments of bFrameBias dismatch

Deepthi Nandakumar deepthi at multicorewareinc.com
Tue Oct 20 05:35:45 CEST 2015


Thanks for pointing this out, correcting documentation now.

On Wed, Sep 9, 2015 at 4:38 PM, Ximing Cheng <chengximing1989 at gmail.com>
wrote:

> The x265 developer documents on --bframe-bias <integer> said "The higher
> the bias the more likely x265 is to use B frames", but the comments in the
> x265.h says "It may be a positive value (making B frames appear more
> expensive, which causes the lookahead to chose more P frames) or negative,
> which makes the lookahead chose more B frames"
>
> I have read the source code of the X265_B_ADAPT_FAST lookahead B frames
> adapt, I found the larger value of the --bframe-bias will lead
> more probability to choose the B frame, so the comments is mistaken.
>
> I don't know whether it is right.
>
> Thanks!
>
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> x265-devel at videolan.org
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>
>


-- 
Deepthi Nandakumar
Engineering Manager, x265
Multicoreware, Inc
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