Quote:
Originally Posted by bstrobl
I suppose the good news here is that AV1 has had no form of optimisation beyond the basic stuff done to it yet. Might be able to squeeze out a couple percent more with improved encoders. Right now encoding time is the biggest problem, especially for RTC.
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I'm sure there are massive potential gains that can be squeezed out by real-world encoders. Something like x264 and x265 can run rings around the reference encoders with real-world long form content using real-world parameters, and still be orders of magnitude faster.
It just takes a whole lot of development that's out of scope of defining a bitstream to get those gains. Codec development focused on PSNR @ Constant QP also runs the risk of over optimizing for a design where QP correlates highly with PSNR.