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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/filters.texi | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index f96a10a75e..94fc6f3df5 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -2340,6 +2340,22 @@ Set the key points for the red component. Set the key points for the green component. @item blue, b Set the key points for the blue component. +@item preset +Select one of the available color presets. This option can not be used in +addition to the @option{r}, @option{g}, @option{b} parameters. +Available presets are: +@table @samp +@item color_negative +@item cross_process +@item darker +@item increase_contrast +@item lighter +@item linear_contrast +@item medium_contrast +@item negative +@item vintage +@end table +Default is unset. @end table To avoid some filtergraph syntax conflicts, each key points list need to be @@ -2368,6 +2384,12 @@ Here we obtain the following coordinates for each components: @item blue @code{(0;0.22) (0.49;0.44) (1;0.80)} @end table + +@item +The previous example can also be achieved with the associated built-in preset: +@example +curves=preset=vintage +@end example @end itemize @section decimate |