[FFmpeg-trac] #9863(undetermined:new): warning: first frame is no keyframe

[FFmpeg]

#9863: warning: first frame is no keyframe
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             Reporter:  jinbiao9504  |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:  VC-1         |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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 Summary of the bug:
   I found an issue with VC-1 video:
   When i seek to a position after playing a VC-1 video, a warning which
 says 'warning: first frame is no keyframe' is presented.
   And the picture will be shortly not clear after seek. I think this is
 caused by the warinng.
   The log and one of the VC-1 files about this issue is attached, is that
 an issue of ffplay?

 How to reproduce:
  ffplay 36_vc1_720x480_interlaced_advanced.m2ts
  put down RIGHT key to seek

 ffmpeg version:lastest

 Patches should be submitted to the ffmpeg-devel mailing list and not this
 bug tracker.
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Ticket URL: <https://trac.ffmpeg.org/ticket/9863>
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