Artifacted/"misfiltered" looking frame at scene change
I'm seeing a strange artifact in the first frame of a new scene in this clip. This is the frame immediately after the shot of the cat:
Here is the frame directly after that frame. It looks like I'd expect it to look:
The artifacts kind of look like the noise present in the source frame, but enlarged. The source frame:
The file exhibiting the artifact:
The source input file (sc-artifact.mkv) is available here: https://drive.google.com/file/d/19VPE5WEcCgEY6BbK7l2Z7_3lltWZQWsK/view?usp=sharing
Command to reproduce:
ffmpeg -i sc-artifact.mkv -vf crop=1920:796:0:144 -pix_fmt yuv420p10le -sn -an -strict -1 -loglevel quiet -f yuv4mpegpipe - |SvtAv1EncApp -i stdin --keyint 120 --preset 8 --crf 30 -b sc-artifact.RF30.ivf
I'm using the latest git, a self-built binary, on Linux Mint 20.2. SVT info output:
Svt[info]: -------------------------------------------
Svt[info]: SVT [version]: SVT-AV1 Encoder Lib v0.9.1-54-gd1154a85
Svt[info]: SVT [build] : Ubuntu Clang 12.0.0 64 bit
Svt[info]: LIB Build date: Mar 19 2022 08:56:00
Svt[info]: -------------------------------------------
Svt[info]: Number of logical cores available: 4
Svt[info]: Number of PPCS 37
Svt[info]: [asm level on system : up to avx]
Svt[info]: [asm level selected : up to avx]


