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authorNiklas Haas <git@nand.wakku.to>2015-02-03 08:34:52 +0100
committerNiklas Haas <git@nand.wakku.to>2015-02-03 08:48:54 +0100
commita51045bddd21a13c30db5d29cdc1d37243beccc8 (patch)
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parentfa1698cb9afb1ef6e602372804dd3999f0b242a0 (diff)
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manpage: add recommended values to :gamma suboption
These were derived from dividing our assumed video gamut (1.961) by some typical screen values (2.2 for dimly lit and 2.4 for pitch black): 1.961/2.4 = 0.8170833333333334 ~= 0.8 1.961/2.2 = 0.8913636363636364 ~= 0.9
Diffstat (limited to 'DOCS')
-rw-r--r--DOCS/man/vo.rst16
1 files changed, 12 insertions, 4 deletions
diff --git a/DOCS/man/vo.rst b/DOCS/man/vo.rst
index 99229fa544..729108d6bc 100644
--- a/DOCS/man/vo.rst
+++ b/DOCS/man/vo.rst
@@ -507,10 +507,18 @@ Available video output drivers are:
``gamma=<0.0..10.0>``
Set a gamma value. If gamma is adjusted in other ways (like with
the ``--gamma`` option or key bindings and the ``gamma`` property), the
- value is multiplied with the other gamma value.
-
- Setting this value to 1.0 can be used to always enable gamma control.
- (Disables delayed enabling.)
+ value is multiplied with the other gamma value. Setting this value to
+ 1.0 can be used to always enable gamma control. (Disables delayed
+ enabling.)
+
+ Recommended values based on the environmental brightness:
+
+ 1.0
+ Brightly illuminated
+ 0.9
+ Slightly dim
+ 0.8
+ Pitch black room
``icc-profile=<file>``
Load an ICC profile and use it to transform linear RGB to screen output.