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Diffstat (limited to 'DOCS/man/vo.rst')
| -rw-r--r-- | DOCS/man/vo.rst | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/DOCS/man/vo.rst b/DOCS/man/vo.rst index 2ff8d682e1..ae7e377771 100644 --- a/DOCS/man/vo.rst +++ b/DOCS/man/vo.rst @@ -291,27 +291,29 @@ Available video output drivers are: ``lscale=<filter>`` ``bilinear`` - Bilinear hardware texture filtering (fastest, low quality). - This is the default. + Bilinear hardware texture filtering (fastest, very low quality). + This is the default for compatibility reasons. ``spline36`` Mid quality and speed. This is the default when using ``opengl-hq``. - ``lanczos3`` - Lanczos scaling with radius=3. Provides mid quality and speed. - Worse than ``spline36``. + ``lanczos`` + Lanczos scaling. Provides mid quality and speed. Generally worse + than ``spline36``, but it results in a slightly sharper image + which is good for some content types. The number of taps can be + controlled with ``lradius``, but is best left unchanged. - ``ewa_lanczos3`` - Elliptic weighted average Lanczos scaling filter. Also known as - Jinc. Relatively slow, but very good quality. + ``ewa_lanczos`` + Elliptic weighted average Lanczos scaling. Also known as Jinc. + Relatively slow, but very good quality. The number of taps can + be controlled with ``lradius``. - ``ewa_lanczos4`` - Better quality than ``ewa_lanczos3``, but slower. + Adding extra taps makes the filter sharper but adds more ringing. ``mitchell`` Mitchell-Netravali. The ``b`` and ``c`` parameters can be set with ``lparam1`` and ``lparam2``. Both are set to 1/3 by default. - Can be useful as special-purpose filter for downscaling. + This filter is very good at downscaling (see ``lscale-down``). There are some more filters, but most are not as useful. For a complete list, pass ``help`` as value, e.g.:: @@ -327,7 +329,7 @@ Available video output drivers are: ``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. + and 16.0. Defaults to be 3.0 if not specified. ``sinc``, ``lanczos``, ``ewa_lanczos``, ``blackman``, ``gaussian`` |