[FFmpeg-trac] #3674(avcodec:new): WMP does not accept sample aspect ratio close to 1 but != 1 in mov (was: Just audio without video in windows decoder)

FFmpeg trac at avcodec.org
Mon May 26 12:28:55 CEST 2014


#3674: WMP does not accept sample aspect ratio close to 1 but != 1 in mov
------------------------------------+-----------------------------------
             Reporter:  mfz         |                    Owner:
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:  mov h264    |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
------------------------------------+-----------------------------------
Changes (by cehoyos):

 * keywords:  h264, height, audio, windows media player, internet explorer
     => mov h264
 * version:  unspecified => git-master


Comment:

 The issue can be reproduced with the following command line:
 {{{
 $ ffmpeg -f lavfi -i testsrc=s=1280x832 -pix_fmt yuv420p -t 10 -vcodec
 h264 -vf scale=1106x720 out.mp4
 }}}
 Work-around is to specify {{{-vf setsar=1}}}

 Since so many players have no problem with the sample aspect ratio: Did
 you report the problem to Micrososft?

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Ticket URL: <https://trac.ffmpeg.org/ticket/3674#comment:1>
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