[mythtv-users] New user setup questions?
mikesm559 at yahoo.com
Tue Feb 17 00:38:05 EST 2004
"BTW, it is *theoretically* possible to capture HD from a DirecTV box if you have
a receiver modified by 169time for Firewire output, although currently Myth
doesn't support Firewire tuners. It might happen if tuner manufacturers get off
their asses... 169time-modified DTV receivers seem to be the only ones that
will feed Firewire HD recorders such as the JVC HM-DH30000U or a Linux box with
the right software. (There is software in existence to act as a recording
device in such setups, I forget the exact name, look around on avsforum..."
That was true until recently. There is a thread at avsforum (http://www.avsforum.com/avs-vb/showthread.php?s=&threadid=353608&perpage=20&pagenumber=1) that outlines how to get raw mpeg2 from a comcast 6200 series DVR through it's firewire ports. Apparently these ports are now active with the new set of firmware that's being rolled out to the boxes. The firewire isn't used for control, it just sends out the mpeg2 stream for whatever is being tuned (which can be controlled via IR or serial ports).
The interesting thing is that the mpeg2 capture isn't just for HDTV, but for standard digital programs off cable, and even analog programs (the DVR box encodes like like a PVR-250). And this all works even for encrypted channels.
In the thread they reference code on Linux that supports the reading from firewire, and people have this more or less running... It would be so cool for Myth to support this kind of firewire tuner. Is anyone working on this now?
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