From a51045bddd21a13c30db5d29cdc1d37243beccc8 Mon Sep 17 00:00:00 2001 From: Niklas Haas Date: Tue, 3 Feb 2015 08:34:52 +0100 Subject: 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 --- DOCS/man/vo.rst | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) (limited to 'DOCS') 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=`` Load an ICC profile and use it to transform linear RGB to screen output. -- cgit v1.2.3