af_rubberband: make all librubberband options configurable

librubberband exports a big load of options. Normally, the default
settings (whether they're librubberband defaults or our defaults) should
be sufficient, but since I'm not so sure about this, making it
configurable allows others to figure it out for me.

1 files changed, 9 insertions, 0 deletions

diff --git a/DOCS/man/af.rst b/DOCS/man/af.rst
index ffb6c03e98..fa8335c1ac 100644
--- a/DOCS/man/af.rst
+++ b/DOCS/man/af.rst
@@ -605,6 +605,15 @@ Available filters are:
     of ``scaletempo``, and will be used to adjust audio pitch when playing
     at speed different from normal.
 
+    This filter has a number of sub-options. You can list them with
+    ``mpv --af=rubberband=help``. This will also show the default values
+    for each option. The options are not documented here, because they are
+    merely passed to librubberband. Look at the librubberband documentation
+    to learn what each option does:
+    http://breakfastquay.com/rubberband/code-doc/classRubberBand_1_1RubberBandStretcher.html
+    (The mapping of the mpv rubberband filter sub-option names and values to
+    those of librubberband follows a simple pattern: ``"Option" + Name + Value``.)
+
 ``lavfi=graph``
     Filter audio using FFmpeg's libavfilter.