diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/filters.texi | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 6dea243199..d2f2b2e8ef 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -4936,12 +4936,14 @@ Set the luma/chroma matrix vertical size. It can be an integer between @item luma_amount, la @item chroma_amount, ca -Set the luma/chroma effect strength. It can be a float number between --2.0 and 5.0. Default value is 1.0 for @option{luma_amount}, 0.0 for -@option{chroma_amount}. +Set the luma/chroma effect strength. It can be a float number, +reasonable values lay between -1.5 and 1.5. Negative values will blur the input video, while positive values will -sharpen. +sharpen it, a value of zero will disable the effect. + +Default value is 1.0 for @option{luma_amount}, 0.0 for +@option{chroma_amount}. @end table Some examples follow: |