> > Grab all frames (i.e. 25 QBUF and DQBUF per second) and copy only the > ones you want, maybe on the basis of the timestamp or timecode returned. > Even if your QBUF were *perfectly* rythmed, what counts is the video > synchro signal, not the system clock. > Hi, That's what I used before, and that works ok. The problem is that I'm using 4 or more grabbers in one PC now, and capturing everything and skipping frames causes too much data on the PCI bus, resulting in image distortion. (distorted horizontal lines at random places, etc)... -- :wq ^X^Cy^K^X^C^C^C