Hardsub Removal using another source

[blaze077]

Thank you StainlessS for your effort. I'm still trying out GMJCZP's method and will try out your suggestions tomorrow.

An off-topic question: When I use Maa2 downloaded from here with chroma=false, it gives the following error in AvspMod -

Traceback (most recent call last):
  File "avsp.pyo", line 9043, in OnMenuVideoRefresh
  File "avsp.pyo", line 13855, in ShowVideoFrame
  File "avisynth.pyo", line 462, in GetFrame
WindowsError: exception: access violation reading 0x00000000
Traceback (most recent call last):
  File "avsp.pyo", line 10614, in OnMouseMotionVideoWindow
  File "avsp.pyo", line 13156, in SetVideoStatusText
  File "avsp.pyo", line 13308, in GetVideoInfoDict
  File "avsp.pyo", line 16436, in FormatTime
TypeError: %d format: a number is required, not float

Everything works fine with chroma=true. I tried out the maa2 script from the Avisynth wiki and it poses the same problem. Any solutions?