Is it really swapping which jack it outputs video on, or might some state just getting reset when you unplug/replug the cable? Can you replug into the same jack instead of swapping and get video again?
Note that when the linux1394 code references a "port" it really means "host adapter". I.e. if you have two separate 1394 chips/busses on your motherboard, or one onboard and one on a PCI card, then you would have two "ports". Two jacks that are controlled by one chip are not two "ports". I don't think the jacks can even be differentiated, at least in software. I'm not sure what the official 1394 terminology is, but this usage of the word "port" is very confusing. Your cable box may have two jacks, but there's certainly only one 1394 chip driving them both. Thus it would be pretty odd (and certainly broken) if the firmware could manage to output to one jack preferentially. -- Jeremy On Thu, 2006-01-05 at 15:51 -0500, Steve Adeff wrote: > I also need to see if those glitches occur when not running through firewire > to see if its just the firewire output. This scenario wouldn't surprise me, > as I'm also trying to figure out why it will only output a data stream on one > of its ports, and sometimes it swaps which port it is. Funny thing is, it > doesn't care for channel changes...
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