Quote:
Originally Posted by CommonMortal
Yes, i know about higher settings not always meaning lower bitrate, often trellis=2 in my tests was giving me 100-300 higher bitrate and thus also size.
|
Yes, but it should always give higher quality. And not just because of the bitrate increase at the same crf.
You could find that trellis 2 provides the same quality as trellis 1 with bitrate 100-300 lower.
And this is what I mean by re-exploring your crf.
For instance, trellis 2, crf 20 could be the same quality as trellis 1, crf 19.
So ignoring denoisers, you could use say preset veryslow, crf 20 and have a lower bitrate encode with the same quality as preset slow, crf 18.
Note: these aren't exact measurements, just examples.
Also, with 720p content needing that high bitrate with tune film, crf 18, it will need some degraining depending on how low the bitrate you're aiming for.
I don't use degrainers myself, so can't offer advise except to say that I have had good results with removegrain(mode=2) for reducing bitrate requirements a small amount without any visual quality loss.