[FFmpeg-trac] #10183(avdevice:new): call avdevice_register_all() throw exception can't found postproc-56.dll

[FFmpeg]

#10183: call avdevice_register_all() throw exception can't found postproc-56.dll
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             Reporter:  Mike      |                     Type:  defect
               Status:  new       |                 Priority:  normal
            Component:  avdevice  |                  Version:  5.1.2
             Keywords:            |               Blocked By:
             Blocking:            |  Reproduced by developer:  0
Analyzed by developer:  0         |
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 How to reproduce: Buid dynamic dll by LGPL license, call
 avdevice_register_all() it will throw exception : can't found
 postproc-56.dll


 I'm trying to build ffmpeg by LGPL licese, which will not create
 postproc.dll, but after that I can't use avdevice_register_all() function
 anymore, it will always throw exception show me that: postproc-56.dll is
 missing. I'm not sure is that a Bug or avdevice_register_all() require
 some GPL licese, then why I can build it? can't we remove it when build by
 LGPL? Is there any alternative choice?
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Ticket URL: <https://trac.ffmpeg.org/ticket/10183>
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