On Tue, 17 Dec 2024 00:36:13 +0100 Michael Niedermayer <mich...@niedermayer.cc> wrote: > Hi > > On Mon, Dec 16, 2024 at 02:56:07PM +0100, Niklas Haas wrote: > > From: Niklas Haas <g...@haasn.dev> > > > > The current logic uses 12-bit linear light math, which is woefully > > insufficient > > and leads to nasty postarization artifacts. This patch simply switches the > > internal logic to 16-bit precision. > > > > This raises the memory requirement of these tables from 32 kB to 272 kB. > > > > Fixes: ticket 4829 > > Signed-off-by: Niklas Haas <g...@haasn.dev> > > Sponsored-by: Sovereign Tech Fund > > --- > > libswscale/swscale.c | 16 ++++++++-------- > > libswscale/swscale_internal.h | 8 ++++---- > > libswscale/utils.c | 19 ++++++++++++------- > > 3 files changed, 24 insertions(+), 19 deletions(-) > > breaks fate
I double-checked and can confirm that these are not regressions, but reflections of the improvement in conversion accuracy. I will squash the FATE changes into the same commit before merging. > > TEST filter-pixdesc-xyz12be > --- ./tests/ref/fate/filter-pixdesc-xyz12be 2024-11-29 20:32:49.757718063 > +0100 > +++ tests/data/fate/filter-pixdesc-xyz12be 2024-12-17 00:34:49.832342280 > +0100 > @@ -1 +1 @@ > -pixdesc-xyz12be 4ec824668b9753e26c1bccffca866e27 > +pixdesc-xyz12be 1508a33dea936c45d9ee13f7743af00d > Test filter-pixdesc-xyz12be failed. Look at > tests/data/fate/filter-pixdesc-xyz12be.err for details. > make: *** [tests/Makefile:311: fate-filter-pixdesc-xyz12be] Error 1 > > thx > > [...] > -- > Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB > > Breaking DRM is a little like attempting to break through a door even > though the window is wide open and the only thing in the house is a bunch > of things you dont want and which you would get tomorrow for free anyway > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
