[FFmpeg-cvslog] doc/encoders: Add libvo-aacenc doc

[Timothy Gu]

ffmpeg | branch: release/1.0 | Timothy Gu <timothygu99 at gmail.com> | Fri Jun  7 19:54:23 2013 -0700| [245e97ef616bdabc97359df4a7433a627e44dafc] | committer: Timothy Gu

doc/encoders: Add libvo-aacenc doc

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
(cherry picked from commit ba7cb4807f050c401f8fd7ef1d1065b138358135)

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=245e97ef616bdabc97359df4a7433a627e44dafc
---

 doc/encoders.texi |   21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/doc/encoders.texi b/doc/encoders.texi
index 63ce92a..a632c87 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -504,6 +504,27 @@ value is 0 (disabled).
 
 @end table
 
+ at section libvo-aacenc
+
+VisualOn AAC encoder
+
+Requires the presence of the libvo-aacenc headers and library during
+configuration. You need to explicitly configure the build with
+ at code{--enable-libvo-aacenc --enable-version3}.
+
+ at subsection Options
+
+The VisualOn AAC encoder only support encoding AAC-LC and up to 2
+channels. It is also CBR-only. It is considered to be worse than the
+native experimental FFmpeg AAC encoder.
+
+ at table @option
+
+ at item b
+Bitrate.
+
+ at end table
+
 @c man end AUDIO ENCODERS
 
 @chapter Video Encoders