[FFmpeg-trac] #6857(undetermined:new): mp4 encode to h264 can not play in the firefox and ie11, but fine in the chrome

[FFmpeg]

#6857: mp4 encode to h264 can not play in the firefox and ie11,but fine in the
chrome
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             Reporter:  gy0624ww     |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:  h264 mov     |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
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Comment (by cehoyos):

 Please download current FFmpeg git head, nothing else is supported here
 and there is nothing we can do if the issue is not reproducible with the
 current version.

 Please test the command line I provided and please tell me on which
 systems the output file that you created with the command line worked.

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Ticket URL: <https://trac.ffmpeg.org/ticket/6857#comment:10>
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