avfilter/vf_lensfun: add scale parameter

[ffmpeg] / doc / filters.texi

diff --git a/doc/filters.texi b/doc/filters.texi
index 4bf96b6d9080816c937b0c1b7e2c6717e265752d..cf13a587ba00f29c87f9dfdbfb1267c7537754c9 100644 (file)
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -2156,6 +2156,17 @@ For description what each key means read below.
 @item reset
 Set number of frame after which stats are going to be recalculated.
 Default is disabled.
+
+@item measure_perchannel
+Select the entries which need to be measured per channel. The metadata keys can
+be used as flags, default is @option{all} which measures everything.
+@option{none} disables all per channel measurement.
+
+@item measure_overall
+Select the entries which need to be measured overall. The metadata keys can
+be used as flags, default is @option{all} which measures everything.
+@option{none} disables all overall measurement.
+
 @end table
 
 A description of each shown parameter follows:
@@ -11406,6 +11417,15 @@ focus distance is only used for vignetting and only slightly affects the
 vignetting correction process. If unknown, leave it at the default value (which
 is 1000).
 
+@item scale
+The scale factor which is applied after transformation. After correction the
+video is no longer necessarily rectangular. This parameter controls how much of
+the resulting image is visible. The value 0 means that a value will be chosen
+automatically such that there is little or no unmapped area in the output
+image. 1.0 means that no additional scaling is done. Lower values may result
+in more of the corrected image being visible, while higher values may avoid
+unmapped areas in the output.
+
 @item target_geometry
 The target geometry of the output image/video. The following values are valid
 options:
@@ -18348,7 +18368,7 @@ This filter accepts the following options:
 
 @table @option
 @item zoom, z
-Set the zoom expression. Default is 1.
+Set the zoom expression. Range is 1-10. Default is 1.
 
 @item x
 @item y