[FFmpeg-trac] #3250(avfilter:open): severe filter artifacts (yadif) when applied to 10bit 422 video

[FFmpeg]

#3250: severe filter artifacts (yadif) when applied to 10bit 422 video
-------------------------------------+-------------------------------------
             Reporter:  pkoshevoy    |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  important    |                Component:  avfilter
              Version:  git-master   |               Resolution:
             Keywords:  yadif        |               Blocked By:
  regression                         |  Reproduced by developer:  1
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by cehoyos):

 {{{
 $ ffmpeg -i QT708_cut.mov -vf yadif -qscale 2 out.avi
 ffmpeg version N-59396-g4156df5 Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Dec 28 2013 02:28:25 with gcc 4.3 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      52. 59.100 / 52. 59.100
   libavcodec     55. 46.100 / 55. 46.100
   libavformat    55. 22.100 / 55. 22.100
   libavdevice    55.  5.102 / 55.  5.102
   libavfilter     4.  0.103 /  4.  0.103
   libswscale      2.  5.101 /  2.  5.101
   libswresample   0. 17.104 /  0. 17.104
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'QT708_cut.mov':
   Metadata:
     major_brand     : qt
     minor_version   : 512
     compatible_brands: qt
     encoder         : Lavf55.22.100
   Duration: 00:00:00.33, start: 0.018352, bitrate: 63885 kb/s
     Stream #0:0(eng): Video: prores (apch / 0x68637061), yuv422p10le,
 720x486, 63927 kb/s, SAR 10:11 DAR 400:297, 29.97 fps, 29.97 tbr, 11988
 tbn, 11988 tbc (default)
     Metadata:
       handler_name    : DataHandler
 Please use -q:a or -q:v, -qscale is ambiguous
 Output #0, avi, to 'out.avi':
   Metadata:
     major_brand     : qt
     minor_version   : 512
     compatible_brands: qt
     ISFT            : Lavf55.22.100
     Stream #0:0(eng): Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 720x486
 [SAR 10:11 DAR 400:297], q=2-31, 200 kb/s, 29.97 tbn, 29.97 tbc (default)
     Metadata:
       handler_name    : DataHandler
 Stream mapping:
   Stream #0:0 -> #0:0 (prores -> mpeg4)
 Press [q] to stop, [?] for help
 frame=   10 fps=0.0 q=2.0 Lsize=     789kB time=00:00:00.33
 bitrate=19378.6kbits/s
 video:783kB audio:0kB subtitle:0 global headers:0kB muxing overhead
 0.747895%
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/3250#comment:3>
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