I can only bare the preset 4 with my CPU and even that is a little slow (preset 5 is much faster). In the code there is not much reference to CRF and I heard QP is good almost only for "video encoding research" and should never be used. SvtAv1EncApp -i input.yuv -w 1920 -h 1080 -fps 24 -rc 0 -q 30 -preset 8 -b output.ivf It seems that omitting -passes 2 -stats stat_file.stat will switch to QP mode (Quantization Parameter) as per their example:ġ pass fixed QP at maximum speed from 24fps yuv 1920x1080 input SvtAv1EncApp -i input.yuv -w 1920 -h 1080 -fps 24 -rc 0 -q 30 -preset 0 -irefresh-type 2 -passes 2 -stats stat_file.stat -b output.ivf The only hint at CRF in the documentation is this part:Ģ pass CRF at maximum quality from 24fps yuv 1920x1080 input
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