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doc/encoders: Add documentation for libmp3lame 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Timothy Gu 2013-05-24 12:28:48 -07:00 committed by Michael Niedermayer
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doc/encoders.texi
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@ -412,6 +412,35 @@ Selected by Encoder (default)
@end table @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 @c man end AUDIO ENCODERS
@chapter Video Encoders @chapter Video Encoders