Niotferdi

Tested it. I can use `ffmpeg -i cut_test.mkv -pix_fmt yuv420p -f yuv4mpegpipe - | vvencapp --y4m -i - -r 24000/1001 -s 1920x1080 --preset medium --qp 35 -o converted.266` command, but...

During this time I conducted a couple of tests. `--qp` works fine, only `--refreshsec` with any value does not work, I use `--intraperiod` instead. I also need to specify `-r...