Hi Ico,
I've run into exactly the same problem. Most probably it is the decoding
of the firewire signal that eats the cpu cycles. The dv format (same as
firewire) is compressed into a 29 Mbits/sec stream (see e.g.
http://www.adamwilt.com/DV-FAQ-tech.html#DVformats) that needs to be
unpacked
Hi all,
I've been trying to shave off precious cycles off the FW camera input
capture. The problem is that vanilla capture of a FW camera feed (NTSC)
already introduces 50+% of CPU overhead on an AMD64 3000+. I have
experimented with lowered gem frame value, but anything below 20 seems to