[FFmpeg-trac] #4643(undetermined:new): Multiple "Past duration 0.XXXXXX too large" and "dup=0 drop=1" messages when reencoding a H.264 source to x264

[FFmpeg]

#4643: Multiple "Past duration 0.XXXXXX too large" and "dup=0 drop=1" messages
when reencoding a H.264 source to x264
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             Reporter:  birdie  |                    Owner:
                 Type:  defect  |                   Status:  new
             Priority:  normal  |                Component:  undetermined
              Version:  2.7     |               Resolution:
             Keywords:          |               Blocked By:
             Blocking:          |  Reproduced by developer:  0
Analyzed by developer:  0       |
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Comment (by birdie):

 When using -t 2 no errors are shown. Errors start appearing after encoding
 over 20K frames.

 incoming/bug4643.mp4
 incoming/bug4643.txt

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Ticket URL: <https://trac.ffmpeg.org/ticket/4643#comment:7>
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