On 15-12-2021 18:18, Cecil Westerhof via ffmpeg-user wrote:
When looking at:
https://trac.ffmpeg.org/wiki/Encode/H.265
with h.265 the value 28 should correspond with the value 23 with
h.264.
Is there a (rough) table for the other values?
Well, no not really
Those figures are generic. In reality there are many things that can
affect both quality and size.
The kind of video used as a source, the amount of visual detail, the
preset used or other settings all have a big impact either on size or
quality of the encode.
So what is your goal, would you want high quality, small file sizes or
fast encoding speed? All these things you need to trade off to get to
your optimum encoding settings. Do some trial runs with small samples to
find out what suits your needs.
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