[FFmpeg-cvslog] doc/decoders: Document libopencore-amrnb decoder

[Timothy Gu]

ffmpeg | branch: release/1.2 | Timothy Gu <timothygu99 at gmail.com> | Thu Jun 20 20:08:35 2013 -0700| [f85c44264bff580a7b6b509aefe5637dc00369cc] | committer: Timothy Gu

doc/decoders: Document libopencore-amrnb decoder

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
(cherry picked from commit b43860ee0c27279f2fa020ea965c03d359f8f45c)

Signed-off-by: Timothy Gu <timothygu99 at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f85c44264bff580a7b6b509aefe5637dc00369cc
---

 doc/decoders.texi |   12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/doc/decoders.texi b/doc/decoders.texi
index f3e57a0..08f8df8 100644
--- a/doc/decoders.texi
+++ b/doc/decoders.texi
@@ -99,6 +99,18 @@ value is 0 (disabled).
 
 @end table
 
+ at section libopencore-amrnb
+
+libopencore-amrnb decoder wrapper
+
+libopencore-amrnb allows libavcodec to decode the Adaptive Multi-Rate
+Narrowband audio codec. Using it requires the presence of the
+libopencore-amrnb headers and library during configuration. You need to
+explicitly configure the build with @code{--enable-libopencore-amrnb}.
+
+An FFmpeg native decoder for AMR-NB exists, so users can decode AMR-NB
+without this library.
+
 @c man end AUDIO DECODERS
 
 @chapter Subtitles Decoders