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authorMoritz Barsnick <barsnick@gmx.net>2016-12-30 18:08:14 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2016-12-31 17:20:06 +0100
commit5dbce5120b4e05dd6d784e7ed9921c1f276acea3 (patch)
tree1aabba20306a0329a571e5831c5767db02b761bc /doc/encoders.texi
parent6c442e1584599471d1d43df2880feb9bda215163 (diff)
doc: document cutoff option to ac3 and adjust the option's global documentation
cutoff is implemented as an option global to lavc, but supported only by a few encoders. This fact is now reflected in its documentation. ac3's support of this option is added for completeness. Signed-off-by: Moritz Barsnick <barsnick@gmx.net> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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diff --git a/doc/encoders.texi b/doc/encoders.texi
index 5e311cb38a..8137465c76 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -488,6 +488,10 @@ is an optional AC-3 feature that increases quality by selectively encoding
the left/right channels as mid/side. This option is enabled by default, and it
is highly recommended that it be left as enabled except for testing purposes.
+@item cutoff @var{frequency}
+Set lowpass cutoff frequency. If unspecified, the encoder selects a default
+determined by various other encoding parameters.
+
@end table
@subsection Floating-Point-Only AC-3 Encoding Options