From 8161d621bbd9c094b01de6a716120c3e8cb6c4b1 Mon Sep 17 00:00:00 2001 From: Niklas Haas Date: Mon, 23 Feb 2015 18:55:31 +0100 Subject: manpage: document scale-param1 properly Right now, nothing in the man page says what it actually affects, other than for mitchell. I added a list to make it clear. --- DOCS/man/vo.rst | 23 +++++++++++++++-------- 1 file changed, 15 insertions(+), 8 deletions(-) (limited to 'DOCS') diff --git a/DOCS/man/vo.rst b/DOCS/man/vo.rst index 948a89ad16..7da0d2efff 100644 --- a/DOCS/man/vo.rst +++ b/DOCS/man/vo.rst @@ -317,21 +317,28 @@ Available video output drivers are: This filter supports antiringing (see ``scale-antiring``). ``mitchell`` - Mitchell-Netravali. The ``b`` and ``c`` parameters can be set with - ``scale-param1`` and ``scale-param2``. Both are set to 1/3 by default. - This filter is very good at downscaling (see ``scale-down``). + Mitchell-Netravali. The ``B`` and ``C`` parameters can be set with + ``scale-param1`` and ``scale-param2``. This filter is very good at + downscaling (see ``scale-down``). There are some more filters, but most are not as useful. For a complete list, pass ``help`` as value, e.g.:: mpv --vo=opengl:scale=help - ``scale-param1=`` - Set filter parameters. Ignored if the filter is not tunable. These are - unset by default, and use the filter specific default if applicable. + ``scale-param1=``, ``scale-param2=`` + Set filter parameters. Ignored if the filter is not tunable. + Currently, this affects the following filter parameters: - ``scale-param2=`` - See ``scale-param1``. + ``kaiser`` + Window parameter (``alpha``). Defaults to 6.33. + + ``mitchell`` + Spline parameters (``B`` and ``C``). Defaults to 1/3 for both. + + ``gaussian`` + Scale parameter (``t``). Increasing this makes the result blurrier. + Defaults to 1. ``scale-radius=`` Set radius for filters listed below, must be a float number between 1.0 -- cgit v1.2.3