[BUG] Incorrect range signalling

[r3dfx]

Sorry, I wouldn't call myself an advanced user( I can't find SetMemoryMax setting. It says " Sometimes reducing this value can allow you to increase X for a speedup" on avisynth wiki...
I see only Limit Cache option in Script settings
This is a typical .vpy script of my job:

# Imports import vapoursynth as vs # getting Vapoursynth core import ctypes import sys import os core = vs.core # Import scripts folder scriptPath = 'C:/Program Files/Hybrid/64bit/vsscripts' sys.path.insert(0, os.path.abspath(scriptPath)) # Loading Support Files Dllref = ctypes.windll.LoadLibrary("C:/Program Files/Hybrid/64bit/vsfilters/Support/libfftw3f-3.dll") # loading plugins core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/GrainFilter/RemoveGrain/RemoveGrainVS.dll") core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/GrainFilter/AddGrain/AddGrain.dll") core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/DenoiseFilter/NEO_FFT3DFilter/neo-fft3d.dll") core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/DenoiseFilter/DFTTest/DFTTest.dll") core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/Support/EEDI3m.dll")# vsQTGMC core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/ResizeFilter/nnedi3/vsznedi3.dll") core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/Support/libmvtools.dll") core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/Support/fmtconv.dll") core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/MiscFilter/MiscFilters/MiscFilters.dll") core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/DeinterlaceFilter/Bwdif/Bwdif.dll") core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/SourceFilter/LSmashSource/LSMASHSource.dll") # Import scripts import qtgmc import validate # Source: 'I:\RAW\VITALII\tape4_2.mkv' # Current color space: YUV420P8, bit depth: 8, resolution: 720x576, frame rate: 25fps, scanorder: top field first, yuv luminance scale: full, matrix: 709, transfer: bt.709, primaries: bt.709, format: AVC # Loading I:\RAW\VITALII\tape4_2.mkv using LWLibavSource clip = core.lsmas.LWLibavSource(source="I:/RAW/VITALII/tape4_2.mkv", format="YUV420P8", stream_index=0, cache=0, prefer_hw=0) frame = clip.get_frame(0) # setting color matrix to 709. clip = core.std.SetFrameProps(clip, _Matrix=vs.MATRIX_BT709) # setting color transfer (vs.TRANSFER_BT709), if it is not set. if validate.transferIsInvalid(clip):   clip = core.std.SetFrameProps(clip=clip, _Transfer=vs.TRANSFER_BT709) # setting color primaries info (to vs.PRIMARIES_BT470_BG), if it is not set. if validate.primariesIsInvalid(clip):   clip = core.std.SetFrameProps(clip=clip, _Primaries=vs.PRIMARIES_BT470_BG) # setting color range to PC (full) range. clip = core.std.SetFrameProps(clip=clip, _ColorRange=vs.RANGE_FULL) # making sure frame rate is set to 25fps clip = core.std.AssumeFPS(clip=clip, fpsnum=25, fpsden=1) # making sure the detected scan type is set (detected: top field first) clip = core.std.SetFrameProps(clip=clip, _FieldBased=vs.FIELD_TOP) # tff # Deinterlacing using QTGMC clip = qtgmc.QTGMC(Input=clip, Preset="Fast", TFF=True) # new fps: 50 # Making sure content is preceived as frame based clip = core.std.SetFrameProps(clip=clip, _FieldBased=vs.FIELD_PROGRESSIVE) # progressive # adjusting output color from: YUV420P8 to YUV422P8 for FFV1Model clip = core.resize.Bicubic(clip=clip, format=vs.YUV422P8, range_s="full") # set output frame rate to 50fps (progressive) clip = core.std.AssumeFPS(clip=clip, fpsnum=50, fpsden=1) # output clip.set_output()