[x264-devel] peak bit rate

[Loren Merritt]

On Mon, 2 Jul 2007, pedro chaparro wrote:

> about how to calculate a video peak bit rate, in this page i have found
> results,here:
>
> http://trace.eas.asu.edu/MDC/QCIF/news-3-1/news-3-1.html
>
> but i dont unterstan how the peak bit rate is calculated, mean bit rate is
> calcualted  (mean frame size) / (1 / fps), in that case fps = 25, but
> applying the same formula to the max frame size i get a different value
> thatn them =(, is a different relation??

Peak bitrate does not have a unique definition. For it to be 
meaningful, you have to specify what windows size you average over. That 
page does not specify this, so their peak bitrate is meaningless.

--Loren Merritt
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