Quote:
Originally Posted by refulgentis
To make this very, very, clear: they will produce the same quality at the same size, but you don't know what that "same size" is until its done with the CRF encode.
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Basically, yes!
But as far as I know they do
not produce the exact same output at the same filesize. However the results will be very very close.
I doubt you will be able to spot the difference...
Quote:
Originally Posted by refulgentis
Two-pass is just guesswork.
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Quality-wise the 2-Pass mode is guesswork. At least if you did not do any tests in advance to find a reasonable bitrate.
But size-wise it's exact. In contrast to CRF, which produces an unpredictable size (but predicable quality - roughly).