Merge commit '1c0210c7981b6a61043d9171f506b435ff5a1f5e'

* commit '1c0210c7981b6a61043d9171f506b435ff5a1f5e':
  lavfi: add Bauer stereo-to-binaural audio filter

Conflicts:
	Changelog
	configure
	doc/filters.texi
	libavfilter/Makefile
	libavfilter/allfilters.c
	libavfilter/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 30 insertions, 0 deletions

diff --git a/doc/filters.texi b/doc/filters.texi
index d53f645a55..93548e1a7a 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -1206,6 +1206,36 @@ Apply a biquad IIR filter with the given coefficients.
 Where @var{b0}, @var{b1}, @var{b2} and @var{a0}, @var{a1}, @var{a2}
 are the numerator and denominator coefficients respectively.
 
+@section bs2b
+Bauer stereo to binaural transformation, which improves headphone listening of
+stereo audio records.
+
+It accepts the following parameters:
+@table @option
+
+@item profile
+Pre-defined crossfeed level.
+@table @option
+
+@item default
+Default level (fcut=700, feed=50).
+
+@item cmoy
+Chu Moy circuit (fcut=700, feed=60).
+
+@item jmeier
+Jan Meier circuit (fcut=650, feed=95).
+
+@end table
+
+@item fcut
+Cut frequency (in Hz).
+
+@item feed
+Feed level (in Hz).
+
+@end table
+
 @section channelmap
 
 Remap input channels to new locations.