[FFmpeg-devel] [PATCH] avfilter/vf_interlace: add complex vertcal lowpassfilter

Kieran Kunhya kierank at obe.tv
Fri Mar 10 20:58:05 EET 2017


Just wondering, did you see what this looks like on a CRT, especially with
interline twitter.
The original method is similar to what an interlaced camera does, averaging
alternate lines, deliberately lowpassing the data.

Kieran Kunhya

On Wed, 8 Mar 2017 at 16:58 Thomas Mundt <loudmax-at-yahoo.de at ffmpeg.org>

> Hi,
> attached patch adds a complex (-1 2 6 2 -1) vertcal lowpassfilter to
> vf_interlace. This will better retain detail and reduce blurring compared
> to the existing (1 2 1) filter.
> Please comment._______________________________________________
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