[FFmpeg-trac] #7498(undetermined:reopened): webm rotation metadata results in deformed output.

[FFmpeg]

#7498: webm rotation metadata results in deformed output.
-------------------------------------+-------------------------------------
             Reporter:  carl         |                    Owner:
                 Type:  defect       |                   Status:  reopened
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------
Changes (by carl):

 * status:  closed => reopened
 * resolution:  invalid =>


Comment:

 I rebuilt from master (details below), and I still believe this is a bug.
 I tried converting to gif and jpg, and the image was still incorrectly
 warped.  I also tried converting to mpeg2, which also had the warping.




 This issue is very easy to reproduce with the file I uploaded, so I think
 it is a bug.  The reading application I don't think is relevant, since the
 issue happens with multiple file types  (some of which lack orientation
 metadata).

 For jpg output:

 ffmpeg -t 1.0  -i file.webm -frames:v 120  -compression_level 0 -f
 image2pipe out.jpg



 ffmpeg version N-92202-gf72b990 Copyright (c) 2000-2018 the FFmpeg
 developers
   built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.10) 20160609
   configuration: --enable-gpl --enable-static --disable-nonfree --enable-
 pthreads --enable-libx264 --enable-libmp3lame --enable-libvorbis --enable-
 libvpx
   libavutil      56. 19.101 / 56. 19.101
   libavcodec     58. 33.101 / 58. 33.101
   libavformat    58. 19.100 / 58. 19.100
   libavdevice    58.  4.105 / 58.  4.105
   libavfilter     7. 33.101 /  7. 33.101
   libswscale      5.  2.100 /  5.  2.100
   libswresample   3.  2.100 /  3.  2.100
   libpostproc    55.  2.100 / 55.  2.100

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Ticket URL: <https://trac.ffmpeg.org/ticket/7498#comment:2>
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