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-rw-r--r--DOCS/man/vo.rst21
1 files changed, 16 insertions, 5 deletions
diff --git a/DOCS/man/vo.rst b/DOCS/man/vo.rst
index 79694d748a..a928809d93 100644
--- a/DOCS/man/vo.rst
+++ b/DOCS/man/vo.rst
@@ -297,6 +297,9 @@ Available video output drivers are:
``lanczos3``
Lanczos with radius=3.
+ ``lanczos``
+ Generic Lanczos scaling filter. Set radius with ``lradius``.
+
``spline36``
This is the default when using ``opengl-hq``.
@@ -329,6 +332,16 @@ Available video output drivers are:
``lparam2=<value>``
See ``lparam1``.
+ ``lradius=<r>``
+ Set radius for filters listed below, must be a float number between 1.0
+ and 8.0. Defaults to be 2.0 if not specified.
+
+ ``sinc``, ``lanczos``, ``blackman``
+
+ Note that depending on filter implementation details and video scaling
+ ratio, the radius that actually being used might be different
+ (most likely being increased a bit).
+
``scaler-resizes-only``
Disable the scaler if the video image is not resized. In that case,
``bilinear`` is used instead whatever is set with ``lscale``. Bilinear
@@ -430,12 +443,10 @@ Available video output drivers are:
RGB. If chroma is not subsampled, this option is ignored, and the
luma scaler is used instead. Setting this option is often useless.
- ``cparam1=<value>``
- Set filter parameters for ``cscale`` . Same as ``lparam1`` for
- ``lscale``.
+ ``cparam1``, ``cparam2``, ``cradius``
+ Set filter parameters and radius for ``cscale``.
- ``cparam2=<value>``
- See ``cparam1``.
+ See ``lparam1``, ``lparam2`` and ``lradius``.
``fancy-downscaling``
When using convolution based filters, extend the filter size