[FFmpeg-cvslog] doc/filters: note NetCDF dependency for sofalizer

[Lou Logan]

ffmpeg | branch: master | Lou Logan <lou at lrcd.com> | Sat Dec 26 17:14:15 2015 -0900| [0779d54a218cbbc1ac3e32da17832f3cd0482b93] | committer: Lou Logan

doc/filters: note NetCDF dependency for sofalizer

Also add @url for link.

Signed-off-by: Lou Logan <lou at lrcd.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0779d54a218cbbc1ac3e32da17832f3cd0482b93
---

 doc/filters.texi |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/doc/filters.texi b/doc/filters.texi
index bf58833..491b141 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -2988,10 +2988,13 @@ silenceremove=1:5:0.02
 SOFAlizer uses head-related transfer functions (HRTFs) to create virtual
 loudspeakers around the user for binaural listening via headphones (audio
 formats up to 9 channels supported).
-The HRTFs are stored in SOFA files (see www.sofacoustics.org for a database).
+The HRTFs are stored in SOFA files (see @url{http://www.sofacoustics.org/} for a database).
 SOFAlizer is developed at the Acoustics Research Institute (ARI) of the
 Austrian Academy of Sciences.
 
+To enable compilation of this filter you need to configure FFmpeg with
+ at code{--enable-netcdf}.
+
 The filter accepts the following options:
 
 @table @option