Quote:
Originally Posted by dapperdan
Fascinating. So it appears x264 and x265 have their own version of VMAF which is just the combination of PSNR and FastSSIM metrics.
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Unfortunately it's impossible to use VMAF directly for RDO because an encoder has to evaluate distortion on very small blocks, down to 8x8 pixels. So the best you can do is come up with something that approximates it.