Quantcast Sansgrip Filters: Using Gripfit with 1.78:1 Sources? - digitalFAQ.com Forums [Archives]
  #1  
02-15-2003, 12:33 PM
Virtual7 Virtual7 is offline
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Hello,

I've just encoded The Matrix (anamorphic 2.35:1) using KVCDx3 template and the following script:

LoadPlugin("D:\kvcd\Programs\Video\mpeg2dec.dll")
LoadPlugin("D:\kvcd\Programs\Video\GripFit_preview .dll")
LoadPlugin("D:\kvcd\Programs\Video\legalclip.dll")
LoadPlugin("D:\kvcd\Programs\Video\sampler.dll")
LoadPlugin("D:\kvcd\Programs\Video\dustv5.dll")
LoadPlugin("D:\kvcd\Programs\Video\temporalcleaner old.dll")
Mpeg2Source("D:\kvcd\Movies\Matrix\Rip\Matrix.d2v" )
LegalClip()
GripCrop( width=528, height=480, overscan=2 )
GripSize()
SpaceDust()
TemporalCleaner()
GripBorders()
LegalClip()
# Sampler(length=24)

The movie fits on 1 CD and the video quality is great! Now I'm trying to encode Band of Brothers which is anamorphic 1.78:1. I took the same script with the additionnal line (because DVD2AVI tells FILM ~85%):

FieldDeinterlace()

The result is a vertically stretched image in TMPG. So I changed the line:

GripCrop( width=528, height=480, overscan=2 )
for
GripCrop(source_anamorphic=false, width=528, height=480, overscan=2 )

Now the image is OK in TMPG but appears FULL SCREEN on TV (and not 1.78:1!). I really want to preserve the aspect ratio.

What is the solution? Is GripFit only working on anamorphic 2.35:1 sources (and not 1.78:1)?

Thanks a lot,

Virtual7
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  #2  
02-15-2003, 03:44 PM
kwag kwag is offline
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Hi Virtual7,

Try setting GripCrop(source_anamorphic=true, dest_anamorphic=false, width=528, height=480, overscan=2 ) and set TMPEG's input source aspect to either "Center" or "Full screen".

Edit: Why are you using FieldDeinterlace() . If your source is FILM, you encode 23.976 and there's no need to deinterlace.

-kwag
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02-15-2003, 07:07 PM
Virtual7 Virtual7 is offline
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Thanks Kwag,

the new GripCrop settings have solved the problem! I guess the default values only work for 2.35:1 sources.

As for FieldDeinterlace() parameter, I used the following trick from DVD2AVI forum:

"...use force film if the movie is >=95% FILM (preview with F5 and look at video type in the stat window). If less than 95% FILM but still mostly FILM, turn off Force Film and use decomb filter in your Avisynth script."

My movie is showing FILM at around 85% in DVD2AVI so I didn't check Force Film and then used FieldDeinterlace() in AVS script. Sounds good?

Virtual7
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02-15-2003, 08:46 PM
kwag kwag is offline
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Quote:
Originally Posted by Virtual7

My movie is showing FILM at around 85% in DVD2AVI so I didn't check Force Film and then used FieldDeinterlace() in AVS script. Sounds good?

Virtual7
If that's the case, deselect "Force FILM" and use:

Telecide()
Decimate()


in your .avs script right after your source line: Like this:

Code:
LoadPlugin("D:\kvcd\Programs\Video\mpeg2dec.dll") 
LoadPlugin("D:\kvcd\Programs\Video\GripFit_preview.dll") 
LoadPlugin("D:\kvcd\Programs\Video\legalclip.dll") 
LoadPlugin("D:\kvcd\Programs\Video\sampler.dll") 
LoadPlugin("D:\kvcd\Programs\Video\dustv5.dll") 
LoadPlugin("D:\kvcd\Programs\Video\temporalcleanerold.dll") 
LoadPlugin("D:\kvcd\Programs\Video\decomb.dll") 
Mpeg2Source("D:\kvcd\Movies\Matrix\Rip\Matrix.d2v") 
Telecide()
Decimate()
LegalClip() 
GripCrop(source_anamorphic=true, dest_anamorphic=false, width=528, height=480, overscan=2 )
GripSize() 
SpaceDust() 
TemporalCleaner() 
GripBorders() 
LegalClip() 
# Sampler(length=24)
Remember to load "decomb.dll", as the functions are part of the DLL. I added the line to your script.

-kwag
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