diff options
Diffstat (limited to 'DOCS/man/options.rst')
| -rw-r--r-- | DOCS/man/options.rst | 46 |
1 files changed, 28 insertions, 18 deletions
diff --git a/DOCS/man/options.rst b/DOCS/man/options.rst index 53d293eb4d..19f972a891 100644 --- a/DOCS/man/options.rst +++ b/DOCS/man/options.rst @@ -4314,11 +4314,6 @@ The following video options are currently all specific to ``--vo=gpu`` and will reproduce the source image perfectly if no scaling is performed. Enabled by default. Note that this option never affects ``--cscale``. -``--linear-scaling`` - Scale in linear light. It should only be used with a - ``--fbo-format`` that has at least 16 bit precision. This option - has no effect on HDR content. - ``--correct-downscaling`` When using convolution based filters, extend the filter size when downscaling. Increases quality, but reduces performance while downscaling. @@ -4327,6 +4322,32 @@ The following video options are currently all specific to ``--vo=gpu`` and better than without it) since it will extend the size to match only the milder of the scale factors between the axes. +``--linear-downscaling`` + Scale in linear light when downscaling. It should only be used with a + ``--fbo-format`` that has at least 16 bit precision. This option + has no effect on HDR content. + +``--linear-upscaling`` + Scale in linear light when upscaling. Like ``--linear-downscaling``, it + should only be used with a ``--fbo-format`` that has at least 16 bits + precisions. This is not usually recommended except for testing/specific + purposes. Users are advised to either enable ``--sigmoid-upscaling`` or + keep both options disabled (i.e. scaling in gamma light). + +``--sigmoid-upscaling`` + When upscaling, use a sigmoidal color transform to avoid emphasizing + ringing artifacts. This is incompatible with and replaces + ``--linear-upscaling``. (Note that sigmoidization also requires + linearization, so the ``LINEAR`` rendering step fires in both cases) + +``--sigmoid-center`` + The center of the sigmoid curve used for ``--sigmoid-upscaling``, must be a + float between 0.0 and 1.0. Defaults to 0.75 if not specified. + +``--sigmoid-slope`` + The slope of the sigmoid curve used for ``--sigmoid-upscaling``, must be a + float between 1.0 and 20.0. Defaults to 6.5 if not specified. + ``--interpolation`` Reduce stuttering caused by mismatches in the video fps and display refresh rate (also known as judder). @@ -4715,7 +4736,8 @@ The following video options are currently all specific to ``--vo=gpu`` and LINEAR (fixed) Linear light image, before scaling. This only fires when - ``--linear-scaling`` is in effect. + ``--linear-upscaling``, ``--linear-downscaling`` or + ``--sigmoid-upscaling`` is in effect. SIGMOID (fixed) Sigmoidized light, before scaling. This only fires when @@ -4772,18 +4794,6 @@ The following video options are currently all specific to ``--vo=gpu`` and remaining quantization artifacts. Higher numbers add more noise. (Default 48) -``--sigmoid-upscaling`` - When upscaling, use a sigmoidal color transform to avoid emphasizing - ringing artifacts. This also implies ``--linear-scaling``. - -``--sigmoid-center`` - The center of the sigmoid curve used for ``--sigmoid-upscaling``, must be a - float between 0.0 and 1.0. Defaults to 0.75 if not specified. - -``--sigmoid-slope`` - The slope of the sigmoid curve used for ``--sigmoid-upscaling``, must be a - float between 1.0 and 20.0. Defaults to 6.5 if not specified. - ``--sharpen=<value>`` If set to a value other than 0, enable an unsharp masking filter. Positive values will sharpen the image (but add more ringing and aliasing). Negative |