[x264-devel] Red lines are not as sharp

[Jason Garrett-Glaser]

On Tue, Jul 20, 2010 at 1:52 AM, doron jacoby <doron.jacoby at gmail.com> wrote:
> Hi,
>
> Thanks for you quick responses.
>
> I am attaching an example of those red lines, 800% zoom. I guess it may be
> related to the subsampeling (4:2:0 vs 4:4:4), but i wonder if I can make
> it's look better by tunning any x264 encoder parameters.
>
> Doron

This is a consequence of chroma subsampling.  It's basically unavoidable.

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