Just some annoying simple stuff. On Tue, 15 Sep 2015 17:26:00 +0000, Paul B Mahol wrote:
> Signed-off-by: Paul B Mahol <one...@gmail.com> > --- > doc/filters.texi | 84 +++++++++++++ > libavfilter/Makefile | 1 + > libavfilter/af_stereotools.c | 290 > +++++++++++++++++++++++++++++++++++++++++++ > libavfilter/allfilters.c | 1 + > 4 files changed, 376 insertions(+) > create mode 100644 libavfilter/af_stereotools.c > > diff --git a/doc/filters.texi b/doc/filters.texi > index c4360fa..9f17cfd 100644 > --- a/doc/filters.texi > +++ b/doc/filters.texi > @@ -2394,6 +2394,90 @@ silenceremove=1:5:0.02 > @end example > @end itemize > > +@section stereotools > + > +This filter have some handy utilities to manage stereo signals, for > converting > +M/S stereo recordings to L/R signal while having control over the parameters > +or spreading the stereo image of master track. s/This filter have/This filter has/ Breaking up this long sentence will make it easier to follow. > +The filter accepts the following options: > + > +@table @option > +@item ibalance > +Set input balance between both channels. Default is 0. > +Allowed range is from -1 to 1. > + > +@item obalance > +Set output balance between both channels. Default is 0. > +Allowed range is from -1 to 1. > + > +@item softclip > +Enable softclipping. This is analog distortion instead of harsh digital 0dB > +clipping. By default is disabled. Some minor rewording: Enable softclipping. Results in analog distortion instead of harsh digital 0dB clipping. Disabled by default. > +@item mutel > +Mute the left channel. > + > +@item muter > +Mute the right channel. > + > +@item phasel > +Change the phase of the left channel. Extra space between "the" and "left". > + > +@item phaser > +Change the phase of the right channel. > + > +@item mode > +Set stereo mode. Available values are: > + > +@table @samp > +@item lr>lr > +Left/Right to Left/Right. > + > +@item lr>ms > +Left/Right to Mid/Side. > + > +@item ms>lr > +Mid/Side to Left/Right. > + > +@item lr>ll > +Left/Right to Left/Left. > + > +@item lr>rr > +Left/Right to Right/Right. > + > +@item lr>l+r > +Left/Right to Left + Right > + > +@item lr>rl > +Left/Right to Right/Left > +@end table > + > +@item slev > +Set level of side signal. Default is 1. > + > +@item sbal > +Set balance of side signal. Default is 0. > + > +@item mlev > +Set level of the middle signal. Default is 1. > + > +@item mpan > +Set middle signal pan. Default is 0. > + > +@item base > +Set stereo base. Default is 0. Would be nice to see some allowed ranges in some of the above ranges, but don't consider it blocking. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
