diff options
| author | Gyan Doshi <ffmpeg@gyani.pro> | 2021-05-13 19:05:12 +0530 |
|---|---|---|
| committer | Gyan Doshi <ffmpeg@gyani.pro> | 2021-05-13 19:06:56 +0530 |
| commit | c122a6c10dedc05933a8b11a3b82f18afc8ca5b7 (patch) | |
| tree | 8bd108a4c704d0ffb33f6bd0a055951807bcb809 /doc | |
| parent | f119d7526e752375d723a28f88df044c2f36d886 (diff) | |
doc/filters: correct name for guided filter
Note input requirements and reword option sub description.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/filters.texi | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index b574334bea..a218289ddd 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -12957,8 +12957,10 @@ greyedge=difford=1:minknorm=0:sigma=2 @end itemize -@section guided filter +@section guided Apply guided filter for edge-preserving smoothing, dehazing and so on. +This filter requires two inputs of same resolution and pixel format. +The second input serves as the reference. The filter accepts the following options: @table @option @@ -12975,10 +12977,9 @@ Set filter mode. Can be @code{basic} or @code{fast}. Default is @code{basic}. @item sub -Set subsampling ratio. -Allowed range is 1 to 64. -Default is always 1 for @code{basic} value of @var{mode} option, -and 4 for @code{fast} value of @var{mode} option. +Set subsampling ratio for @code{fast} mode. +Allowed effective range is 2 to 64. Default is 4. +No subsampling occurs in @code{basic} mode. @item planes Set planes to filter. Default is first only. |