[FFmpeg-trac] #3798(ffprobe:new): ffprobe indentifies 16:9 display aspect ratio as 0:1

FFmpeg trac at avcodec.org
Thu Jul 24 09:22:51 CEST 2014

#3798: ffprobe indentifies 16:9 display aspect ratio as 0:1
             Reporter:  miguelapg     |                    Owner:
                 Type:  defect        |                   Status:  new
             Priority:  important     |                Component:  ffprobe
              Version:  git-master    |               Resolution:
             Keywords:  aspect ratio  |               Blocked By:
             Blocking:                |  Reproduced by developer:  0
Analyzed by developer:  0             |

Comment (by Cigaes):

 I suspect you confuse '''sample''' aspect ratio and '''display''' aspect

 {{{ffprobe}}} shows 0/1 for the '''sample''' aspect ratio, meaning it is
 not explicitly defined in the stream. Players usually treat it as 1.

 Your video has resolution 1920×816; assuming the '''sample''' aspect ratio
 is 1, that makes the '''display''' aspect ratio approximatively 2.35,
 which is a very standard aspect ratio for cinema movies. There is no 16/9
 here, except probably for the initial content that was later cropped.

Ticket URL: <https://trac.ffmpeg.org/ticket/3798#comment:2>
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