Quote:
Originally Posted by Makaveli84
Yes, I know. I don't mean estimating in general. I am asking about estimating the bitrate of the output of a CRF n encode of a specific source, and not the bitrate of CRF n in general.
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I don't know how else to put it. You have to analyse each individual source in order to obtain the required bitrate for a given CRF value. There is no way to calculate it.
Quote:
Originally Posted by Makaveli84
Hmm.. Does this really work? I mean the source has to be really monotone for this to work, which is hardly the case in real-life videos.
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Obviously you have to use something like SelectRangeEvery(1000, 100) in Avisynth (select 100 out of every 1000 frames). It's quite accurate even with just 5%.