On Sat, Oct 25, 2014 at 06:25:22PM +0200, Reimar Döffinger wrote: > On Sat, Oct 25, 2014 at 05:35:37PM +0200, Christophe Gisquet wrote: > > 2014-10-25 13:35 GMT+02:00 Reimar Döffinger <reimar.doeffin...@gmx.de>: > > > Could you maybe add e.g. a FATE test that clearly shows the before-after > > > improvements? > > > > I've tried for a small while, by swapping fields on lena and converting to > > yuv42[02]p and feeding it to ffmpeg with: > > -pix_fmt yuv422p -s 720x576 -i lena.yuv -flags ildct -vf > > "setfield=1,fieldorder=bff" -vcodec dvvideo out.dv > > The PSNR results were weird (with 2 exes I thought were before/after), so I > > didn't follow through. Maybe someone more versed in libavfi can offer a > > command-line doing the job. > > > > The only conclusive impact is on the #2970 sequence, but it has too few > > blocks coded as interlaced (!) to matter for anything but visual. And > > indeed the fate tests do not seem to exercise the affected code. > > Maybe I misunderstand the issue, but maybe a encoder option > to force interlaced encoding would work to trigger this reliably?
I took the liberty to apply the patch and fix the bug instead of leaving it open until someone succeeds writing a fate test for it [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB What does censorship reveal? It reveals fear. -- Julian Assange
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