[FFmpeg-trac] #8527(swresample:closed): undefined symbol in libswresample

[FFmpeg]

#8527: undefined symbol in libswresample
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             Reporter:  oldpink  |                    Owner:
                 Type:  defect   |                   Status:  closed
             Priority:  normal   |                Component:  swresample
              Version:  4.2      |               Resolution:  fixed
             Keywords:           |               Blocked By:
             Blocking:           |  Reproduced by developer:  0
Analyzed by developer:  0        |
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Changes (by oldpink):

 * resolution:  invalid => fixed
 * version:  unspecified => 4.2
 * component:  undetermined => swresample


Comment:

 FWIW, I finally sorted out the source of the problem: old versions of the
 libavutil library (and the other ffmpeg libraries) that had somehow
 polluted the /usr/lib directory.
 Once I deleted those old libraries, all the av_calloc errors disappeared,
 and openshot works now.
 It took a bit of poking around, but that's really all it took to correct
 the whole problem.

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Ticket URL: <https://trac.ffmpeg.org/ticket/8527#comment:13>
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