[FFmpeg-trac] #4828(avcodec:open): use Core Audio AAC-encoder and AC3-decoder

[FFmpeg]

#4828: use Core Audio AAC-encoder and AC3-decoder
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             Reporter:  julian       |                    Owner:
                 Type:  enhancement  |                   Status:  open
             Priority:  wish         |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  osx          |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by cehoyos):

 Replying to [comment:5 julian]:
 > > I believe it is very unlikely that you succeed to configure FFmpeg so
 that it does not use patent-covered algorithms.
 >
 > can you elaborate. e.g. what patents would the process of just remuxing
 MKV to MP4 using ffmpeg without converting audio or video violate?

 FFmpeg's build system does not allow you to disable all possibly unused
 parts of FFmpeg.
 (Is mov really patent-free?)

 Note that this is completely irrelevant for this ticket: If somebody sends
 clean patches that allow to use the Apple codecs, I don't see a reason why
 they shouldn't be committed (if the commit message does not contain any
 hints to patents). I just want to make it completely clear that if there
 is a patent-issue, I find it very unlikely that you can fix it with these
 (hypothetical) patches.

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Ticket URL: <https://trac.ffmpeg.org/ticket/4828#comment:6>
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