2017-09-01 1:55 GMT+02:00 Thomas Mundt <tmund...@gmail.com>: > 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. >
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