[FFmpeg-trac] #3674(avcodec:open): WMP does not accept sample aspect ratio close to 1 but != 1 in mov

FFmpeg trac at avcodec.org
Mon May 26 16:45:35 CEST 2014


#3674: WMP does not accept sample aspect ratio close to 1 but != 1 in mov
-------------------------------------+-------------------------------------
             Reporter:  mfz          |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  important    |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  mov libx264  |               Blocked By:
  regression                         |  Reproduced by developer:  1
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by cehoyos):

 I attached three addtional samples to make an analysis slightly simpler
 (and to show that the issue is not the different video and container
 sample aspect ratio):
 Only equal1.mp4 can be played with WMP, both different.mp4 and equal2.mp4
 fail.

 The issue is not just a DAR overflow, I created a file with the following
 properties that plays fine:
     Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
 1280x962 [SAR 1309:1307 DAR 837760:628667], 123 kb/s, SAR 7200:7189 DAR
 833978:625829, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)

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Ticket URL: <https://trac.ffmpeg.org/ticket/3674#comment:4>
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