[FFmpeg-devel] [PATCH] doc/encoders: Add libopencore-amrnb doc

Timothy Gu timothygu99 at gmail.com
Tue Jun 18 02:38:38 CEST 2013


---
 doc/encoders.texi | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/doc/encoders.texi b/doc/encoders.texi
index 0245693..184de80 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -592,6 +592,43 @@ default value is 0 (disabled).
 
 @end table
 
+ at section libopencore-amrnb
+
+OpenCORE Adaptive Multi-Rate Narrowband encoder.
+
+Requires the presence of the libopencore-amrnb headers and library during
+configuration. You need to explicitly configure the build with
+ at code{--enable-libopencore-amrnb --enable-version3}.
+
+This is a mono-only encoder. Officially it only supports 8000Hz sample rate,
+but you can override it by setting @option{strict} to @samp{unofficial} or
+lower.
+
+ at subsection Options
+
+ at table @option
+
+ at item b
+Set bitrate in bits per second. Only the following bitrates are supported,
+otherwise libavcodec will round to the nearest valid bitrate.
+
+ at table @option
+ at item 4750
+ at item 5150
+ at item 5900
+ at item 6700
+ at item 7400
+ at item 7950
+ at item 10200
+ at item 12200
+ at end table
+
+ at item dtx
+Allow discontinuous transmission (generate comfort noise) when set to 1. The
+default value is 0 (disabled).
+
+ at end table
+
 @c man end AUDIO ENCODERS
 
 @chapter Video Encoders
-- 
1.8.1.2



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