gradfun: add notice from the MPlayer manual
authorStefano Sabatini <stefano.sabatini-lala@poste.it>
Tue, 29 Mar 2011 22:15:34 +0000 (00:15 +0200)
committerStefano Sabatini <stefano.sabatini-lala@poste.it>
Wed, 30 Mar 2011 20:17:41 +0000 (22:17 +0200)
commitda3534b01e00502b202ed3f51ffde12866e5111d
tree82ae591cd9f56c50dcb3c251b21e1968ba89c303
parent2ccbb3428b9f4d77ef3f46d1f89bdf7f4ed6f148
gradfun: add notice from the MPlayer manual

Add notice telling that the filter is designed for playback only.
doc/filters.texi