[FFmpeg-devel] [PATCH] doc/encoders: Add libtwolame doc

Timothy Gu timothygu99 at gmail.com
Tue May 28 22:16:46 CEST 2013

 doc/encoders.texi | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)

diff --git a/doc/encoders.texi b/doc/encoders.texi
index a2c5eb0..6e63edf 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -441,6 +441,67 @@ Enables the the encoder to use (on a frame by frame basis) either L/R
 stereo or mid/side stereo.
 @end multitable
+ at section libtwolame
+TwoLAME MP2 encoder wrapper
+Requires the presence of the libtwolame headers and library during
+configuration. You need to explicitly configure the build with
+ at code{--enable-libtwolame}.
+ at subsection Options Mapping
+The following options are supported by the libtwolame wrapper. The
+FFmpeg options are in quotation marks, while the TwoLAME options are
+in parentheses.
+ at table @option
+ at item b
+(b) Set bitrate in bits/s. (Default: 128k.)
+ at item q
+(V) Set quality for experimental VBR support. Maximum value range is -50
+to 50 but useful range is -10 to 10.
+ at item mode
+(mode) Set MPEG mode. Available options:
+ at table @samp
+ at item auto
+Choose mode automatically based on the input. (This is the default.)
+ at item stereo
+ at item joint_stereo
+Joint stereo.
+ at item dual_channel
+Dual channel.
+ at item mono
+ at end table
+ at item psymodel
+(psyc-mode) Set psychoacoustic model to use in encoding. The argument
+must be an integer between -1 and 4, inclusive. The higher the value,
+the better the quality. Default: 3.
+ at item energy_levels
+(energy) Set argument to 1 to enable energy levels extensions, and 0
+to disable it. Default: 0 (disabled).
+ at item error_protection
+(protect) Set argument to 1 to enable CRC error protection, and 0 to
+disable it. Default: 0 (disabled).
+ at item copyright
+(copyright) Set argument to 1 to set MPEG audio copyright flag.
+Default: 0 (disabled).
+ at item original
+(original) Set argument to 1 to set MPEG audio original flag.
+Default: 0 (disabled).
+ at end table
 @c man end AUDIO ENCODERS
 @chapter Video Encoders

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