[FFmpeg-trac] #6370(undetermined:new): Change in rotate metadata treatment between ffmpeg 3.2 and ffmpeg 3.3

[FFmpeg]

#6370: Change in rotate metadata treatment between ffmpeg 3.2 and ffmpeg 3.3
-------------------------------------+-------------------------------------
             Reporter:  tamc         |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by tamc):

 I realise I should have put the output of ffprobe on the original.mp4 file
 so you can see that it starts with the rotate metadata, which is removed
 in ffmpeg 3.2 but kept in ffmpeg 3.3:

 {{{
 ffprobe -i original.mp4
 ..snip...
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'original.mp4':
   Metadata:
     major_brand     : mp42
     minor_version   : 0
     compatible_brands: isommp42
     creation_time   : 2016-03-18T15:03:53.000000Z
   Duration: 00:00:08.19, start: 0.000000, bitrate: 3099 kb/s
     Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 /
 0x31637661), yuv420p, 640x480, 2971 kb/s, 14.91 fps, 14.92 tbr, 90k tbn,
 180k tbc (default)
     Metadata:
       rotate          : 90
       creation_time   : 2016-03-18T15:03:53.000000Z
       handler_name    : VideoHandle
     Side data:
       displaymatrix: rotation of -90.00 degrees
     Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz,
 stereo, fltp, 123 kb/s (default)
     Metadata:
       creation_time   : 2016-03-18T15:03:53.000000Z
       handler_name    : SoundHandle

 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/6370#comment:1>
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