[FFmpeg-trac] #7157(undetermined:closed): Fieild Order isn't recognized

[FFmpeg]

#7157: Fieild Order isn't recognized
-------------------------------------+-------------------------------------
             Reporter:  ponpon       |                    Owner:
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |  needs_more_info
Analyzed by developer:  0            |               Blocked By:
                                     |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by ponpon):

 Replying to [comment:11 richardpl]:
 Thank you for the explanation.
 I am looking forward to merge your patch.

 In my retest, {{{progressive}}} is not displayed. Is it normal?
 {{{
 ffmpeg -f lavfi -i yuvtestsrc=r=50 -t 1 -pix_fmt yuv420p -y prog.mp4
 }}}
 {{{
 ffprobe -select_streams v:0 -show_entries stream=field_order prog.mp4
 ffprobe version N-92499-gfe9b990ec9 Copyright (c) 2007-2018 the FFmpeg
 developers
   built with clang version 5.0.2 (tags/RELEASE_502/final)
   configuration: --prefix= --cc=clang-mp-5.0 --cxx=clang++-mp-5.0
   libavutil      56. 23.101 / 56. 23.101
   libavcodec     58. 39.100 / 58. 39.100
   libavformat    58. 22.100 / 58. 22.100
   libavdevice    58.  6.100 / 58.  6.100
   libavfilter     7. 46.100 /  7. 46.100
   libswscale      5.  4.100 /  5.  4.100
   libswresample   3.  4.100 /  3.  4.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'prog.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     encoder         : Lavf58.22.100
   Duration: 00:00:01.00, start: 0.000000, bitrate: 26 kb/s
     Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
 320x240 [SAR 1:1 DAR 4:3], 15 kb/s, 50 fps, 50 tbr, 12800 tbn, 100 tbc
 (default)
     Metadata:
       handler_name    : VideoHandler
 [STREAM]
 field_order=unknown
 [/STREAM]
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/7157#comment:12>
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