[mythtv] SVN8501 LiveTV via firewire

Steve Adeff adeffs at gmail.com
Fri Jan 6 16:46:11 UTC 2006

On Thursday 05 January 2006 16:17, Jeremy Muhlich wrote:
> 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...

ok, I can just unplug it and plug it back in to the same port and it works 
fine. Is there a way to do this node suspend and node resumed in software so 
I can manually reset it?


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