[FFmpeg-user] which blur filter should I use?

Lou lou at lrcd.com
Mon Nov 25 11:08:28 CET 2013

On Mon, 25 Nov 2013 01:41:19 -0600
Lingyuan Wang <lwanghpc at gmail.com> wrote:

> I'd like to downscale my video, 2160p to 1080p for example, which
> pre-bluring filter should I use?

Why do you want to blur before scaling?

>  I understand ffmepg provides boxblur and smartblur.

There is also sab and unsharp.


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