AviSynth filter for scaling pixel-perfect sources. Requires a RGB32 source.
Example source clips could include NES/SNES footage at 256x224, Game Boy footage at 160x144, etc.
Usage:
LoadPlugin("PolyphaseResize.dll")
AviSource("clip.avi")
ConvertToRGB32()
PolyphaseResize(1440, 1080)