[FFmpeg-trac] #4822(undetermined:new): [png @ 0x15e183e00] inflate returned error -3

[FFmpeg]

#4822: [png @ 0x15e183e00] inflate returned error -3
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             Reporter:  wangniancai  |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
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Comment (by wangniancai):

 ffmpeg 2.7 ，the similar configuration ， work fine on Android， Mac os x
 ，"png inflate returned error -3" just on  IOS  when I try to add
 watermark with png .

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Ticket URL: <https://trac.ffmpeg.org/ticket/4822#comment:11>
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