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doc/filters: state negate filter's option 

Also clarify that the negate_alpha option is a boolean
This commit is contained in:
Gyan Doshi 2018-07-05 19:36:32 +05:30
parent 5aba5b89d0
commit 4cd5c3f9ec
1 changed files with 8 additions and 3 deletions
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doc/filters.texi
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@ -11437,10 +11437,15 @@ Default value for @option{hi} is 64*12, default value for @option{lo} is
@section negate
Negate input video.
Negate (invert) the input video.
It accepts an integer in input; if non-zero it negates the
alpha component (if available). The default value in input is 0.
It accepts the following option:
@table @option
@item negate_alpha
With value 1, it negates the alpha component, if present. Default value is 0.
@end table
@section nlmeans