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  #1  
03-30-2004, 10:36 PM
magio32 magio32 is offline
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Im a newb at avs scripts,but have been spending a little less than a week,and several hours a day to try and understand,have been getting burned out by all i have been reading,but wont give up.

My question is this,if anyone can please help me, What is the Legalclip command in the beginning and end of the optimal script?
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Someday, 12:01 PM
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  #2  
03-31-2004, 03:19 AM
Dialhot Dialhot is offline
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A unneeded bullcrap


Officialy this command is to limit the luma into the range [16-250] because it is the defined range in the IEEE standard that all TV set based on cathodic bulb have to follow. In other words, a luma that is not clipped to 16-250 can lead to a distorted picture on your TV, and would even damage the set !

This is theory.

Now : all new TV set support full luma range since, let say, 5 years ? AND all the encoders that we use (tmpgenc, MCE, CCE) clip the luma to 16-250 themselves by default !
So there is absolutly no need to do that in the script and this is just lack of time.
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03-31-2004, 06:33 AM
jorel jorel is offline
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....and from Sh0dan signature's link:
http://cultact-server.novi.dk/kpo/avisynth/avs_cvs.html

- Added "pc_range=true/false" parameter to overlay.
This will make all RGB<->YUV conversions inside Overlay
assume [0->255] YUV range, and not CCIR 601 [16->235] range.
Default is false.
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03-31-2004, 10:54 AM
kwag kwag is offline
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I finally edited the optimal script page
Removed LegalClip and Limiter() from the scripts.

-kwag
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  #5  
03-31-2004, 12:10 PM
magio32 magio32 is offline
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Thanks very much for the response everyone,had been wondering about that statement. I believe im finally starting to understand Aviscripting,slow but sure
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