Thilo Weigel wrote:
> Hi all,
>
> I'm currently writing an application where I need to know as exactly as
> possible the time a half-frame was taken by the camera. I'm wondering
> which value exactly the timestamp field in the v4l2_buffer struct holds.
> Is it the system time when transmission of the half-frame started, the
> time when the half-frame has just arrived completely in computer memory
> or is there even a further delay?
Completely arrived, the irq handler handling the "capture done" takes
the timestamp (bttv 0.8.x + saa7134).
Gerd
--
You can't please everybody. And usually if you _try_ to please
everybody, the end result is one big mess.
-- Linus Torvalds, 2002-04-20
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