On Sunday 02 September 2001 04:35, Loren Frank wrote:
> I need to get real time timestamps for frames grabbed by a framegrabber
> board.
>
> As I only need a real time timestamp, my plan is to write a short real
> time interrupt handler that will read the timestamp and then assert a
> soft interrupt at the same irq that would be serviced by the interrupt
> handler from the non-realtime frame grabber driver (bttv.o).
Seems like a simple and sensible solution. (Although I don't know if that
hardware generates exactly one IRQ per frame, or if IRQs actually are in
tight sync with input video... If that's how it works, it doesn't get
much easier. :-)
//David Olofson --- Programmer, Reologica Instruments AB
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