[FFmpeg-trac] #3212(undetermined:reopened): initial seek in MSVIDEO1 causes failure to display on some avi files

[FFmpeg]

#3212: initial seek in MSVIDEO1 causes failure to display on some avi files
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             Reporter:  DonMoir      |                    Owner:
                 Type:  defect       |                   Status:  reopened
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
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Changes (by richardpl):

 * status:  closed => reopened
 * resolution:  duplicate =>


Old description:

> Same as ticket #1273 but different codec ID.
>
> If you do a seek prior to calling avcodec_decode_video2 at least once,
> then you will no longer get any video stream packets with the attached
> files. The seek works fine after you call avcodec_decode_video2 but not
> if you tried to seek prior to this. Reading a first video packet is not
> enough.
>
> Use this sample to test.
>
> ​http://sms.pangolin.com/temp/EVBPIC.AVI

New description:

 Same as ticket #1273 but different codec ID.

 If you do a seek prior to calling avcodec_decode_video2 at least once,
 then you will no longer get any video stream packets with the attached
 files. The seek works fine after you call avcodec_decode_video2 but not if
 you tried to seek prior to this. Reading a first video packet is not
 enough.

 Use this sample to test.

 *http://sms.pangolin.com/temp/EVBPIC.AVI

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Ticket URL: <https://trac.ffmpeg.org/ticket/3212#comment:11>
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