doc/filters.texi: add another lut2 example

Signed-off-by: Paul B Mahol <onemda@gmail.com>
8 years ago · b664d1f3ff
parent 797c232ef8
commit b664d1f3ff
1 changed files with 6 additions and 0 deletions
--- a/doc/filters.texi
+++ b/doc/filters.texi
@ -10004,6 +10004,12 @@ 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
+
+@item
+Show max difference between two video streams:
+@example
+lut2='if(lt(x,y),0,if(gt(x,y),pow(2,bdx)-1,pow(2,bdx-1))):if(lt(x,y),0,if(gt(x,y),pow(2,bdx)-1,pow(2,bdx-1))):if(lt(x,y),0,if(gt(x,y),pow(2,bdx)-1,pow(2,bdx-1)))'
+@end example
@end itemize

@section maskedclamp