[FFmpeg-trac] #1883(undetermined:new): ASF/WMV Source Aspect Ratio (X/Y) Reversed

[FFmpeg]

#1883: ASF/WMV Source Aspect Ratio (X/Y) Reversed
-------------------------------------+-------------------------------------
             Reporter:  starkline    |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:  SAR DAR      |               Blocked By:
  Aspect Ratio                       |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 I've noticed this bug only when using ffplay/ffmpeg to decode WMV3 video.
 I believe ffmpeg is reversing the X and Y values for SAR or PAR, resulting
 in the wrong DAR.

 Regression introduced at ffmpeg-20120914-git-8bdba0b. Earlier builds
 handle DAR/SAR properly.

 To reproduce find an ASF that has a pixel aspect ratio of, for instance,
 4x3, but which requires a display aspect ratio of 16x9 to view properly.
 If the source aspect ratio is set to 4x3, then the DAR would display
 correctly at 16x9. However, under current build the DAR is getting set to
 1:1.

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1883>
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