--- a/video.rst	Wed Jun 27 22:49:41 2012 +0300
+++ b/video.rst	Wed Jun 27 22:51:47 2012 +0300
@@ -11,6 +11,15 @@
   $ sudo apt-get install vlc
   $ sudo apt-get install mplayer
 
+3d film.
+========
+::
+
+  $ mplayer -vf stereo3d=side_by_side_left_first:anaglyph_red_cyan_color -vo gl $VIDEO
+  $ mplayer -vf stereo3d=above_below_left_first:anaglyph_red_cyan_color -vo gl $VIDEO
+
+See ``man 1 mplayer``.
+
 Web camera.
 ===========