[MacPorts] #50693: libre, librem, baresip: update to latest versions, baresip 0.4.11 build fails with ffmpeg 3.0

[MacPorts]

#50693: libre, librem, baresip: update to latest versions, baresip 0.4.11 build
fails with ffmpeg 3.0
-----------------------------------+-------------------
  Reporter:  devans@…              |      Owner:  aeh@…
      Type:  defect                |     Status:  new
  Priority:  Normal                |  Milestone:
 Component:  ports                 |    Version:
Resolution:                        |   Keywords:
      Port:  libre librem baresip  |
-----------------------------------+-------------------

Comment (by devans@…):

 Just one error when compiling baresip with ffmpeg 3.0
 {{{
   CC [M]  build-x86_64/modules/cons/cons.o
 modules/avcodec/encode.c:174:23: error: use of undeclared identifier
 'PIX_FMT_YUV420P'; did you mean 'VID_FMT_YUV420P'?
         st->ctx->pix_fmt   = PIX_FMT_YUV420P;
                              ^~~~~~~~~~~~~~~
                              VID_FMT_YUV420P
 /opt/local/include/rem/rem_vid.h:10:2: note: 'VID_FMT_YUV420P' declared
 here
         VID_FMT_YUV420P =  0, /* planar YUV  4:2:0   12bpp
 */
         ^
 modules/avcodec/encode.c:174:23: warning: implicit conversion from
 enumeration type 'enum vidfmt' to different enumeration type 'enum
 AVPixelFormat' [-Wenum-conversion]
         st->ctx->pix_fmt   = PIX_FMT_YUV420P;
                            ~ ^~~~~~~~~~~~~~~
 1 warning and 1 error generated.
 make: *** [build-x86_64/modules/avcodec/encode.o] Error 1
 }}}

 After patching this one instance of PIX_FMT_YUV420P to AV_PIX_FMT_YUV420P,
 baresip builds without error using either current ffmpeg 2.8.6 or 3.0.

 See modified patch attached.  Let me know if this is OK to commit.

-- 
Ticket URL: <https://trac.macports.org/ticket/50693#comment:2>
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