Add a note about how to enable external libraries.

Originally committed as revision 8721 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago · 7bb932062e
parent 79f20349ce
commit 7bb932062e
1 changed files with 2 additions and 1 deletions
--- a/doc/ffmpeg-doc.texi
+++ b/doc/ffmpeg-doc.texi
@ -788,7 +788,8 @@ It allows almost lossless encoding.
@chapter external libraries

 FFmpeg can be hooked up with a number of external libraries to add support
-for more formats.
+for more formats. None of them are used by default, their use has to be
+explicitly requested by passing the appropriate flags to @file{./configure}.

@section AMR