[FFmpeg-trac] #4437(avdevice:open): AVFoundation recording has consistent intermittent frame drops

[FFmpeg]

#4437: AVFoundation recording has consistent intermittent frame drops
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             Reporter:  LordHDL      |                    Owner:  mateo
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:  avdevice
              Version:  git-master   |               Resolution:
             Keywords:               |               Blocked By:
  avfoundation bounty                |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
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Comment (by LordHDL):

 I'm hoping it's not a rooted issue in AV Foundation itself.  As I said
 before, recordings in Windows do not exhibit the drops (on the same
 hardware).  I know OS X is capable of perfectly smooth capture, as
 evidenced by the recording app ScreenFlow, so it's not a limitation of the
 OS so much as something janky in the software somewhere.

 The audio bug ticket is #4463.

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Ticket URL: <https://trac.ffmpeg.org/ticket/4437#comment:25>
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