[FFmpeg-cvslog] doc/encoders: add documentation for the Opus encoder

[Rostislav Pehlivanov]

ffmpeg | branch: master | Rostislav Pehlivanov <atomnuker at gmail.com> | Tue Feb 14 06:14:15 2017 +0000| [3a7f0055b445d0e9bf7f8037739d218b8acc982e] | committer: Rostislav Pehlivanov

doc/encoders: add documentation for the Opus encoder

Signed-off-by: Rostislav Pehlivanov <atomnuker at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3a7f0055b445d0e9bf7f8037739d218b8acc982e
---

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

diff --git a/doc/encoders.texi b/doc/encoders.texi
index 2026a9f..430f9f8 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -616,6 +616,27 @@ and slightly improves compression.
 
 @end table
 
+ at anchor{opusenc}
+ at section opus
+
+Opus encoder.
+
+This is a native FFmpeg encoder for the Opus format. Currently its in development and
+only implements the CELT part of the codec. Its quality is usually worse and at best
+is equal to the libopus encoder.
+
+ at subsection Options
+
+ at table @option
+ at item b
+Set bit rate in bits/s. If unspecified it uses the number of channels and the layout
+to make a good guess.
+
+ at item opus_delay
+Sets the maximum delay in milliseconds. Lower delays than 20ms will very quickly
+decrease quality.
+ at end table
+
 @anchor{libfdk-aac-enc}
 @section libfdk_aac