[FFmpeg-trac] #7623(avcodec:closed): Wrong interpretation of (m)jpeg aspect ratio

FFmpeg trac at avcodec.org
Thu Dec 20 14:56:01 EET 2018

#7623: Wrong interpretation of (m)jpeg aspect ratio
             Reporter:  UlfZibis      |                    Owner:
                 Type:  defect        |                   Status:  closed
             Priority:  normal        |                Component:  avcodec
              Version:  git-master    |               Resolution:  invalid
             Keywords:  mjpeg aspect  |               Blocked By:
             Blocking:                |  Reproduced by developer:  0
Analyzed by developer:  0             |

Comment (by UlfZibis):

 I'm using IrfanView, see attachment.

 I'm wondering about the interpretation from Photoshop.
 DPI means "dots per inch", so with 12 dpi 704 pixel/dots make 58.6666...
 inch etc...
 Maybe with "correction" at Photoshop a x/y switch is meant.

Ticket URL: <https://trac.ffmpeg.org/ticket/7623#comment:11>
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