2017-09-01 1:22 GMT+02:00 Michael Niedermayer <mich...@niedermayer.cc>:
> On Fri, Sep 01, 2017 at 01:18:11AM +0200, Michael Niedermayer wrote: > > On Thu, Aug 31, 2017 at 10:40:12PM +0200, Thomas Mundt wrote: > > > 2017-08-31 21:42 GMT+02:00 Michael Niedermayer <mich...@niedermayer.cc > >: > > > > > > > On Wed, Aug 30, 2017 at 03:54:08AM +0200, Thomas Mundt wrote: > > > > > Hi, > > > > > > > > > > we did a transcoding cascade test at work were over-sharpening > became > > > > > visible with the complex low-pass filter. This patch rectifies the > > > > > behaviour. > > > > > > > > > > Please comment... > > > > > > > > did you perform subjective and or objective tests ? > > > > > > > > objective being some metric like PSNR vs correctly sampled data > > > > subjective being double blind tests with humans about which they > prefer > > > > > > > > > > The tests have been subjective with a team of video engineers and > > > technicians with several test files. > > > > > > I did a quick SSIM/PSNR check with the first generation of an HD->SD > file > > > as a reference against the 6th generation. > > > > if its better then iam fine with it. No more comments from me > > ahh, forgot, you may want tp add the tests you did and their results > to the commit message Sure, new patch attached.
0001-avfilter-interlace-prevent-over-sharpening-with-the-.patch
Description: Binary data
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