[FFmpeg-cvslog] doc/filters: Add some random examples for fftfilt

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sat Mar  7 23:22:34 2015 +0100| [8fabbd0dcf3ac91bfced555fdf4819f500b6a88e] | committer: Michael Niedermayer

doc/filters: Add some random examples for fftfilt

Reviewed-by: Timothy Gu <timothygu99 at gmail.com>
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8fabbd0dcf3ac91bfced555fdf4819f500b6a88e
---

 doc/filters.texi |   23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/doc/filters.texi b/doc/filters.texi
index b15087c..b0ea2ca 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -4629,6 +4629,29 @@ The coordinates of the current sample.
 The width and height of the image.
 @end table
 
+ at subsection Examples
+
+ at itemize
+ at item
+High-pass:
+ at example
+fftfilt=dc_Y=128:weight_Y='squish(1-(Y+X)/100)'
+ at end example
+
+ at item
+Low-pass:
+ at example
+fftfilt=dc_Y=0:weight_Y='squish((Y+X)/100-1)'
+ at end example
+
+ at item
+Sharpen:
+ at example
+fftfilt=dc_Y=0:weight_Y='1+squish(1-(Y+X)/100)'
+ at end example
+
+ at end itemize
+
 @section field
 
 Extract a single field from an interlaced image using stride