[FFmpeg-devel] [PATCH 3/3] avdevice: use av_gettime_relative() for timestamps

Nicolas George george at nsup.org
Sun Feb 7 20:21:02 EET 2021


Kieran Kunhya (12021-02-07):
> NTP is allowed to jump when it wants for example. It's not trivial for the
> user to guarantee this.

In practice, it does not.

> Exactly, so by default you must give the user a clock which is guaranteed
> not to jump as you don't know. If they need to synchronise between PCs
> using your naive process they can choose gettimeofday.

So why are you still arguing this?

> Hopefully they understand the consequences of that unlike you. It's
> still a flawed process because of timestamp jitter etc.

I obviously understand the consequences better than you, since you did
not even realize why the wall time clock was needed.

I think this should be the end of the discussion.

Regards,

-- 
  Nicolas George
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