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DOCS/options.rst: update target-peak description

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List auto as an option for target-peak, and state that auto is its
default operation.
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Kotori Itsuka 2019-01-18 11:24:38 +10:00 committed by sfan5
parent 05f0980b96
commit 94d35627f5
1 changed files with 4 additions and 4 deletions
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DOCS/man/options.rst
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@ -5144,7 +5144,7 @@ The following video options are currently all specific to ``--vo=gpu`` and
The user should independently guarantee this before using these signal
formats for display.
``--target-peak=<nits>``
``--target-peak=<auto|nits>``
Specifies the measured peak brightness of the output display, in cd/m^2
(AKA nits). The interpretation of this brightness depends on the configured
``--target-trc``. In all cases, it imposes a limit on the signal values
@ -5156,9 +5156,9 @@ The following video options are currently all specific to ``--vo=gpu`` and
above 100 essentially causes the display to be treated as if it were an HDR
display in disguise. (See the note below)
By default, the chosen peak defaults to an appropriate value based on the
TRC in use. For SDR curves, it defaults to 100. For HDR curves, it
defaults to 100 * the transfer function's nominal peak.
In ``auto`` mode (the default), the chosen peak is an appropriate value
based on the TRC in use. For SDR curves, it uses 100. For HDR curves, it
uses 100 * the transfer function's nominal peak.
.. note::