[x264-devel] x264 bug: interlaced video missing grain/detail in top 32 lines

[Jason Garrett-Glaser]

On Fri, Mar 12, 2010 at 5:27 AM, Adam Warner <lists at consulting.net.nz> wrote:
> Hi all,
>
> I have found a bug in x264's interlacing.

This is not a bug.  This is intentional, and part of how adaptive
quantization works.  If you want to avoid it, don't stick gigantic
black bars on the top of your videos.

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