[FFmpeg-trac] #5279(avcodec:new): ffmpeg cannot link with --enable-libmfx and --toolchain=msvc

[FFmpeg]

#5279: ffmpeg cannot link with --enable-libmfx and --toolchain=msvc
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             Reporter:  KevinA      |                    Owner:
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:  qsv         |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Comment (by KevinA):

 turning on decoders leads to another error
 it's trying to build libopus
 {{{
 opusdec.o : error LNK2019: unresolved external symbol _swr_is_initialized
 referenced in function _opus_decode_frame
 opusdec.o : error LNK2019: unresolved external symbol _swr_init referenced
 in function _opus_init_resample
 opusdec.o : error LNK2019: unresolved external symbol _swr_free referenced
 in function _opus_decode_close
 opusdec.o : error LNK2019: unresolved external symbol _swr_close
 referenced in function _opus_decode_flush
 opusdec.o : error LNK2019: unresolved external symbol _swr_alloc
 referenced in function _opus_decode_init
 libavcodec/avcodec-56.dll : fatal error LNK1120: 6 unresolved externals
 library.mak:111: recipe for target 'libavcodec/avcodec-56.dll' failed
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/5279#comment:3>
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