Hi Andy,
On Mon, Sep 19, 2016 at 3:27 PM, Andy Furniss <adf.li...@gmail.com> wrote: > Nayan Deshmukh wrote: > >> Hi Andy, >> >> 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 >> decreased 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 4) of lanczos filter corresponding to HIGH_QUALITY_SCALING_L2 >> and L3? >> > > 2 and 4 still have the offset issue, which does sometimes cause the > white line. > Hi Andy I am able to reproduce the offset issue, I will try to work on the patch tonight. Regards, Nayan. > > I've found another issue with 2 and 4 = unscaled with a raster locked > res test the 1 pix detail will be lost. The detail does re-appear if you > scale up. > > bz2 compressed vid showing the issue - > > https://drive.google.com/open?id=0BxP5-S1t9VEEUE5sbUFBV20zSms >
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