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authorNiklas Haas <git@nand.wakku.to>2015-02-23 18:55:31 +0100
committerNiklas Haas <git@nand.wakku.to>2015-02-23 18:55:31 +0100
commit8161d621bbd9c094b01de6a716120c3e8cb6c4b1 (patch)
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parent6765a7549bf5df25b2b8d9b9f8223e8d2b4c16d4 (diff)
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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.
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-rw-r--r--DOCS/man/vo.rst23
1 files changed, 15 insertions, 8 deletions
diff --git a/DOCS/man/vo.rst b/DOCS/man/vo.rst
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--- 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=<value>``
- 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=<value>``, ``scale-param2=<value>``
+ Set filter parameters. Ignored if the filter is not tunable.
+ Currently, this affects the following filter parameters:
- ``scale-param2=<value>``
- 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=<r>``
Set radius for filters listed below, must be a float number between 1.0