[x265] x265 misses target bitrate in 2-pass VBR; extreme sample: unable to converge

Mario *LigH* Rohkrämer contact at ligh.de
Wed Feb 24 17:12:56 CET 2016


Am 24.02.2016, 13:07 Uhr, schrieb Mario *LigH* Rohkrämer <contact at ligh.de>:

> http://forum.doom9.org/showthread.php?p=1758217#post1758217
>
> n808 wrote: "Trying to encode a standard test sequence (BasketballDrill)  
> using 2-pass and the latest 1.9 build (as well as earlier builds), the  
> 2nd pass creates a bitrate just a fraction of the requested."

I received a copy of the original test sequence from staff of Uni  
Hannover. It had 501 frames, and encoding them all did not provoke any  
error.

But adding "--frames 100 --keyint 100" to the command line provokes the  
miscalculation.

-- 

Fun and success!
Mario *LigH* Rohkrämer
mailto:contact at ligh.de
 


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