[FFmpeg-trac] #911(undetermined:closed): ffplay can't handle timecodes of WMV2 video correctly

[FFmpeg]

#911: ffplay can't handle timecodes of WMV2 video correctly
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             Reporter:               |                    Owner:
  zhushisongzhu                      |                   Status:  closed
                 Type:  defect       |                Component:
             Priority:  important    |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:  asf wmv2     |  worksforme
  seeking                            |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by cehoyos):

 * H264 streams can be valid without keyframes (even without an initial
 keyframe).
 * If a media player seeks exactly to a keyframe in H264, it is not
 guaranteed that there will be no corruption when playing the stream
 beginning from the found keyframe. (Non-keyframes after a keyframe in H264
 may reference frames earlier than the last keyframe.)

 Both is not true for WMV, so assuming that seeking in H264 is
 significantly different from seeking in WMV is safe.
 (Note that much older versions of FFmpeg seek fine in your sample, but
 failed completely seeking in H264 which was only fixed a short time ago.)

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/911#comment:8>
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