Now THIS I suspect is the pipe dream...
My previously-mentioned older HDTV has three firewire ports so you could plug
your DVcam right into the TV. It would even put up transport controls and let
you control the camera from the TV. Pretty sharp, eh?
Curiosity getting the best of me again, I tried plugging the STB right into the
TV via firewire. And the TV popped up a box saying, 'Hey, you just plugged in a
Pace RNG110. Want to set up an input for it?' I did, and selected the new input
and Ta-Da! Video over firewire! It was all roses until, as mentioned
previously, I found out it was just the video stream and there was no graphic
overlay. So much for browsing programs using the on-screen guide!
Now, I have the cable box and the TV both plugged into the Freevo. I've been
trying to do video playback over the firewire port but so far it's no good.
Romtest does show both the RNG110 and the Mitsu TV connected, so we know there
is communication there, plus the TV confirms a device is plugged in.
The weird part is that the connection at the firewire card is almost acting
like a pass-through. With the STB plugged into the firewire card and the TV
plugged into the firewire card, I get video on the TV from the STB over
firewire. Furthermore when I switch away from the firewire input on the TV, the
command that the TV sends to shut off the STB travels back up the chain and the
STB powers down. Is there something I need to reconfigure to prevent this
'pass-thru' effect?
This pass-through doesn't stop me from putting commands out there... 6200ch
will still send channel change commands to the STB. It's just... weird. I
wonder if when I send video over firewire, if it's getting overridden by this
pass-thru video.
QUESTION time...
How can I send MPEG2-TS back down the firewire to the TV? I'm starting to play
with things like mpeg2-test... I haven't really gotten in-depth with them yet.
I tried simply doing 'cat test.m2t > /dev/video1394/0' but that didn't do
anything noticable.
Since my TV has this firewire connection on it already... (this is the
pipe-dream) is there any way to send the Freevo GUI down the firewire? I
suspect this would be more trouble than it's worth, because it means taking the
DirectFB/SDL output and basically making it into a video stream to send down
the firewire port. So even when the interface isn't changing, the CPU is busy
creating video to stream. Probably more trouble than it is worth, but I thought
I'd ask... Linux is full of oddities. ^_^
I think that's all I've got for now... thanks everybody for all your hard work
on Freevo.
James
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