[FFmpeg-trac] #4089(avdevice:new): Audio delays in AV Foundation capture

[FFmpeg]

#4089: Audio delays in AV Foundation capture
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             Reporter:  LordHDL       |                    Owner:
                 Type:  defect        |                   Status:  new
             Priority:  normal        |                Component:  avdevice
              Version:  git-master    |               Resolution:
             Keywords:  avfoundation  |               Blocked By:
             Blocking:                |  Reproduced by developer:  0
Analyzed by developer:  0             |
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Comment (by LordHDL):

 Update on this; I believe I know what causes the delay.  It seems to
 happen when you attempt to record using a file name that exists and get
 the prompt to overwrite the previous file.  It doesn't happen when using
 `-y` or when using a non-existing file name.

 Here are examples and outputs:
 https://www.dropbox.com/s/bujc3oxaqtxxexi/overwrite.tar.xz?dl=0

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Ticket URL: <https://trac.ffmpeg.org/ticket/4089#comment:1>
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