From d27563cb14b9dc20f729470ef5e3d49ca869aebf Mon Sep 17 00:00:00 2001 From: Niklas Haas Date: Tue, 24 Feb 2015 00:52:17 +0100 Subject: filter_kernels: add ewa_lanczossharp alias This is essentially a preconfigured version of ewa_lanczos, with the "best" parameters for general purpose usage. --- DOCS/man/vo.rst | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'DOCS/man/vo.rst') diff --git a/DOCS/man/vo.rst b/DOCS/man/vo.rst index 4fdc0e26c7..1fa23f02cd 100644 --- a/DOCS/man/vo.rst +++ b/DOCS/man/vo.rst @@ -310,12 +310,20 @@ Available video output drivers are: ``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 ``scale-radius``. Adding extra taps makes the + Relatively slow, but very good quality. The radius can be + controlled with ``scale-radius``. Increasing the radius makes the filter sharper but adds more ringing. This filter supports antiringing (see ``scale-antiring``). + ``ewa_lanczossharp`` + A slightly sharpened version of ewa_lanczos, preconfigured to use + an ideal radius and parameter. If your hardware can run it, this is + probably what you should use by default. + + Note: This filter has a fixed radius. Use ``ewa_lanczos`` if you + want to adjust it. + ``mitchell`` Mitchell-Netravali. The ``B`` and ``C`` parameters can be set with ``scale-param1`` and ``scale-param2``. This filter is very good at -- cgit v1.2.3