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

[FFmpeg]

#8527: undefined symbol in libswresample
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             Reporter:  oldpink     |                     Type:  defect
               Status:  new         |                 Priority:  normal
            Component:  swresample  |                  Version:  4.2
             Keywords:              |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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 I've found an annoying bug with the shared library libswresample.so going
 back to at least version 4.0.
 This is not a bug introduced by my own compile time options because the
 binary version on Slackware's (the version of Linux that I run is
 SLackware) site has this bug.

 When I run the following command, the output below that command is what I
 get:

 ldd -r /usr/lib64/libswresample.so.3.5.100

 undefined symbol: av_calloc, version LIBAVUTIL_56
 (/usr/lib64/libswresample.so.3.5.100)

 This doesn't seem to interfere with the ffmpeg program itself, but it does
 make it impossible to use programs that have the ffmpeg shared libraries
 as dependencies, with openshot (among other) being one.

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