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
