[FFmpeg-user] vertical lines noise in scaled raw video.

Dennis mediastream at gmail.com
Wed Nov 9 19:52:41 CET 2011

On Wed, Nov 9, 2011 at 12:47 PM, Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:

> Dennis <mediastream <at> gmail.com> writes:
> > Here's the screenshot with "find edges" filter applied by ImageJ :
> > http://www.mediafire.com/?0hesdf21e6a2ok2
> I can see the artefacts now (don't know why I searched for "red" lines).
> Do you think they are in the original video and amplified by the encoding
> (and
> you are searching for a filter that suppresses them), or is FFmpeg
> producing
> them (which may be a serious bug)?
> Carl Eugen_______________________________________________

well, look at the un-scaled y4m output screenshot here:
its solid black, i'd expect the same from the scaled screenshot.

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