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 [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB I have often repented speaking, but never of holding my tongue. -- Xenocrates
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