sn6op

**"-aom-params enable-dnl-denoising=0:film-grain-test=1:sharpness=1:sb-size=64:enable-qm=1:enable-restoration=0:arnr-strength=1:arnr-maxframes=3:aq-mode=1:quant-b-adapt=1:disable-trellis-quant=0 -lag-in-frames 48"** This params set provides excellent grain quality for AOM-AV1 1080p and 4K resolutions. For HDR deltaq-mode=5

"qm-min=1", "enable-keyframe-filtering=0" and probably "enable-chroma-deltaq=1" params cause an error. should not be played with default values. You can close the ticket.

> What settings do not corrupt the video ? I get also "broken" keyframes with: **pass1**: `ffmpeg -i '/mnt/ramdisk/inputvideo.mp4' -vf scale=1920:1080:flags=lanczos,setsar=1:1 -pix_fmt yuv420p10le -c:v libaom-av1 -threads 32 -aom-params sb-size=64:enable-qm=1:enable-dnl-denoising=0:deltaq-mode=0:aq-mode=1:enable-chroma-deltaq=1:disable-trellis-quant=0:quant-b-adapt=1:enable-keyframe-filtering=1:arnr-strength=1:arnr-maxframes=3:sharpness=3 -cpu-used...