From 4703a345fb41b14fe28f7e6bf7f60bb2213aa9e0 Mon Sep 17 00:00:00 2001 From: Timothy Gu Date: Fri, 24 May 2013 12:28:48 -0700 Subject: [PATCH] doc/encoders: Add documentation for libmp3lame Signed-off-by: Michael Niedermayer --- doc/encoders.texi | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/doc/encoders.texi b/doc/encoders.texi index 79a13eefce..a2c5eb0802 100644 --- a/doc/encoders.texi +++ b/doc/encoders.texi @@ -412,6 +412,35 @@ Selected by Encoder (default) @end table +@section libmp3lame + +LAME (Lame Ain't an MP3 Encoder) MP3 encoder wrapper + +Requires the presence of the libmp3lame headers and library during +configuration. You need to explicitly configure the build with +@code{--enable-libmp3lame}. + +@subsection Option Mapping + +The following options are supported by the libmp3lame wrapper, +the LAME-equivalent options follow the FFmpeg ones. + +@multitable @columnfractions .2 .2 +@item FFmpeg @tab LAME +@item b @tab b +FFmpeg @code{b} option is expressed in bits/s, lame @code{bitrate} +in kilobits/s. +@item q @tab V +Quality setting for VBR. +@item compression_level @tab q +Algorithm quality. Valid options are integers from 0-9. +@item reservoir @tab N.A. +Enable use of bit reservoir. LAME has this enabled by default. +@item joint_stereo @tab -m j +Enables the the encoder to use (on a frame by frame basis) either L/R +stereo or mid/side stereo. +@end multitable + @c man end AUDIO ENCODERS @chapter Video Encoders