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? _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel