[x264-devel] CRF and VBV

Georg Lippitsch georg at linteum.at
Wed Jan 11 00:46:07 CET 2012


Am 11.01.2012, 00:17 Uhr, schrieb Jason Garrett-Glaser <jason at x264.com>:

> VBV simply places a cap on the bitrate that results from CRF.  It does
> what you think it does.
>
> It sounds like what you want is CBR, though.

I want the highest possible quality for a given maximum bitrate (to stream  
over network). Booth, ABR+VBV and CRF+VBV do what I want concerning  
bitrate. Some posts suggested not to use ABR, so CRF+VBV seems the right  
thing. But I still do not understand how to set a reasonable CRF if only  
maximum bitrate is given.


Thanks,

Georg


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