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doc/filters: add two lut2 examples 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Paul B Mahol 2016-09-17 19:06:36 +02:00
parent 38c3fc9404
commit 22bdba7a93
1 changed files with 16 additions and 0 deletions
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doc/filters.texi
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@ -9362,6 +9362,22 @@ The second input video bit depth.
All expressions default to "x".
@subsection Examples
@itemize
@item
Highlight differences between two RGB video streams:
@example
lut2='ifnot(x-y,0,pow(2,bdx)-1):ifnot(x-y,0,pow(2,bdx)-1):ifnot(x-y,0,pow(2,bdx)-1)'
@end example
@item
Highlight differences between two YUV video streams:
@example
lut2='ifnot(x-y,0,pow(2,bdx)-1):ifnot(x-y,pow(2,bdx-1),pow(2,bdx)-1):ifnot(x-y,pow(2,bdx-1),pow(2,bdx)-1)'
@end example
@end itemize
@section maskedclamp
Clamp the first input stream with the second input and third input stream.