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Diffstat (limited to 'DOCS/man')
| -rw-r--r-- | DOCS/man/vo.rst | 35 |
1 files changed, 32 insertions, 3 deletions
diff --git a/DOCS/man/vo.rst b/DOCS/man/vo.rst index 046fa7e0e6..7792831dd5 100644 --- a/DOCS/man/vo.rst +++ b/DOCS/man/vo.rst @@ -1057,9 +1057,38 @@ Available video output drivers are: ``target-brightness=<1..100000>`` Specifies the display's approximate brightness in cd/m^2. When playing - HDR content, video colors will be scaled and clipped to this - brightness. The default of 250 cd/m^2 corresponds to a typical consumer - display. + HDR content, video colors will be tone mapped to this target brightness + using the algorithm specified by ``hdr-tone-mapping``. The default of + 250 cd/m^2 corresponds to a typical consumer display. + + ``hdr-tone-mapping=<value>`` + Specifies the algorithm used for tone-mapping HDR images onto the + target display. Valid values are: + + clip + Hard-clip any out-of-range values (default) + simple + Very simple continuous curve. Preserves dynamic range and peak but + uses nonlinear contrast. + gamma + Fits a logarithmic transfer between the tone curves. + linear + Linearly stretches the entire reference gamut to (a linear multiple + of) the display. + + ``tone-mapping-param=<value>`` + Set tone mapping parameters. Ignored if the tone mapping algorithm is + not tunable. This affects the following tone mapping algorithms: + + simple + Specifies the local contrast coefficient at the display peak. + Defaults to 0.5, which means that in-gamut values will be about + half as bright as when clipping. + gamma + Specifies the exponent of the function. Defaults to 1.8. + linear + Specifies the scale factor to use while stretching. Defaults to + 1.0. ``icc-profile=<file>`` Load an ICC profile and use it to transform video RGB to screen output. |