[FFmpeg-trac] #1273(avformat:new): initial seek causes failure to display on some avi files

[FFmpeg]

#1273: initial seek causes failure to display on some avi files
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             Reporter:  DonMoir      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  avformat
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by DonMoir):

 For a work around, if the codec_id is CODEC_ID_MSRLE or CODEC_ID_MSVIDEO1,
 I am having to call av_read_frame until I get a video packet and then call
 avcodec_decode_video2 once. I can then do the seek and get expected
 results. I do this before I start up normal processing.

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1273#comment:4>
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