1 files changed, 1 insertions, 0 deletions
diff --git a/INSTALL b/INSTALL
index f82e3bd..d66ab20 100644
--- a/INSTALL
+++ b/INSTALL
@@ -6,6 +6,7 @@ Image Magick ( http://www.imagemagick.org )
  ---->  watchout !! configure with --enable-shared 
 and ffmpeg 
  ----> watchout, it requires the cvs snapshot ! : http://ffmpeg.sourceforge.net/cvs
+ + don't forget to activate mp3 and vorbis support in ffmpeg : ./configure --enable-mp3lame --enable-vorbis
 
 you should also have installed libquicktime that is necessary for PDP 
 ( http://sourceforge.net/projects/libquicktime ).