Thanks for testing the patches!!
On Mon, Sep 19, 2016 at 5:24 AM, Andy Furniss <adf.li...@gmail.com> wrote:
> Andy Furniss wrote:
>> Nayan Deshmukh wrote:
>>> This series implements lanczos interpolation filter.
>>> Andy, I have made some changes to the code. Can you test the
>>> patches. I hope the artifacts are reduced this time.
>> The artifacts are still there.
The higher levels involve a hell lot of calucations per pixel so the
fps is expected. I was thinking of having only 2 levels for lanczos filter
ie. 2 and 4.
Christian, will it be fine if we only have 2 levels (with kernel size 2 and
lanczos filter corresponding to HIGH_QUALITY_SCALING_L2 and L3?
> To be a bit more precise 2 and 4 seem to be artifact free, unless I
> didn't find the right sample/scale factor. The others show similar
> artifacts to those seen previously.
> There is an offset so all images are down and left a bit, though this is
> often not obvious, when scaling down from 2160p to 1080p it causes a
> white line left and top which is very visible.
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