[FFmpeg-cvslog] doc/filters: add bit-slicing example in lutyuv docs

[Stefano Sabatini]

ffmpeg | branch: master | Stefano Sabatini <stefasab at gmail.com> | Wed Mar 13 22:36:06 2013 +0100| [356922e237690e95c5e814845d4f320526e40906] | committer: Stefano Sabatini

doc/filters: add bit-slicing example in lutyuv docs

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=356922e237690e95c5e814845d4f320526e40906
---

 doc/filters.texi |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/doc/filters.texi b/doc/filters.texi
index 0dbec8e..fa8f69b 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -3850,6 +3850,12 @@ Correct luminance gamma by a 0.5 factor:
 @example
 lutyuv=y=gammaval(0.5)
 @end example
+
+ at item
+Discard least significant bits of luma:
+ at example
+lutyuv=y='bitand(val, 128+64+32)'
+ at end example
 @end itemize
 
 @section mp