МЕДВЕЖУТЬ - 1988. (СОВЕТСКОЕ КИНО, МУЛЬТФИЛЬМ. HEVC) https://www.vsetutonline.com/forum/showthread.php?p=711680#post711680 
исходник vs. итог
FFVideoSource("I:\кино\мульты\медвежуть\Медвежуть.1988.Союзмультфильм.35mm Film Scan 1080p.mkv")
stab2()
RemoveSpotsMC3x()
VirtualDub.video.filters.BeginUpdate();
VirtualDub.video.filters.Clear();
VirtualDub.video.filters.Add("crop");
VirtualDub.video.filters.instance[0].SetClipping(2,2,0,0);
VirtualDub.video.filters.Add("resize");
VirtualDub.video.filters.instance[1].Config(100,100,1,4,3,1,1500,1078,4,3,1,4,1,0xadadad);
VirtualDub.video.filters.Add("ACDSee Filter");
VirtualDub.video.filters.instance[2].Config(0, 0);
VirtualDub.video.filters.Add("Saturation 2.1");
VirtualDub.video.filters.instance[3].SetClipping(10,0,10,0);
VirtualDub.video.filters.instance[3].Config(205, 0, 0);
VirtualDub.video.filters.Add("resize");
VirtualDub.video.filters.instance[4].Config(100,100,1,4,3,1,1480,1080,4,3,1,6,1,0x000000);
VirtualDub.video.filters.EndUpdate();
VirtualDub.audio.filters.Clear();
ffmpeg "-hide_banner" "-i" "C:\..." "-sws_flags" "spline+accurate_rnd+full_chroma_int" "-strict" "-1" "-pix_fmt" "yuv420p" "-f" "yuv4mpegpipe" "-" | x265.exe - --y4m --fps 24.000 --log-level none --crf 23 --sar 1 --preset slow --no-sao --no-strong-intra-smoothing --profile main10 --output "I:\....hevc"