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Diffstat (limited to 'doc/filters.texi')
| -rw-r--r-- | doc/filters.texi | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index d49fec1264..773ab246b2 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -10925,6 +10925,29 @@ format=monow, pixdesctest can be used to test the monowhite pixel format descriptor definition. +@section pixscope + +Display sample values of color channels. Mainly useful for checking color and levels. + +The filters accept the following options: + +@table @option +@item x +Set scope X position, offset on X axis. + +@item y +Set scope Y position, offset on Y axis. + +@item w +Set scope width. + +@item h +Set scope height. + +@item o +Set window opacity. This window also holds statistics about pixel area. +@end table + @section pp Enable the specified chain of postprocessing subfilters using libpostproc. This |