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authorwm4 <wm4@nowhere>2015-01-20 14:33:53 +0100
committerwm4 <wm4@nowhere>2015-01-20 14:33:53 +0100
commit6f5e5e6a9e9f1534282bdf21110bab980cc22164 (patch)
treea16191dc04544e8722bf816c4f80998908c2a1b9 /DOCS/man/vo.rst
parentbe02ebfcbae4f6f8f9f06f07363e1f651397894d (diff)
downloadmpv-6f5e5e6a9e9f1534282bdf21110bab980cc22164.tar.bz2
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vo_opengl: remove cscale-down suboption
For an explanation see the additions to the manpage.
Diffstat (limited to 'DOCS/man/vo.rst')
-rw-r--r--DOCS/man/vo.rst12
1 files changed, 9 insertions, 3 deletions
diff --git a/DOCS/man/vo.rst b/DOCS/man/vo.rst
index bbca84ecdb..91452c0d57 100644
--- a/DOCS/man/vo.rst
+++ b/DOCS/man/vo.rst
@@ -446,10 +446,16 @@ Available video output drivers are:
RGB. If chroma is not subsampled, this option is ignored, and the
luma scaler is used instead. Setting this option is often useless.
- ``lscale-down=<filter>``, ``cscale-down=<filter>``
- Like ``lscale`` and ``cscale``, but apply these filters on downscaling
+ ``lscale-down=<filter>`
+ Like ``lscale``, but apply these filters on downscaling
instead. If these options are unset, the filter implied by ``lscale``
- (and ``cscale``, respectively) will be applied.
+ will be applied.
+
+ There used to be a ``cscale-down`` option. This was removed, because
+ chroma scaling is usually only used for upscaling. The only case where
+ this was actually used for downscaling was when the video was scaled
+ down by more than twice (or other factors, depending on image formats),
+ and ``lscale`` did not use a separable scaler.
``cparam1``, ``cparam2``, ``cradius``
Set filter parameters and radius for ``cscale``.