Re: How to grab from multiple DV-Cameras simultaneously?

>
>
>You first need to see if your cameras can be told which iso channel to
>transmit on. Get libavc1394 from cvs at
>http://sf.net/projects/libavc1394/ and use the program test/plugreport
>to report on plug control registers where channel may be set. If so,
>test/plugctl can set the channel.
>
>
>
I did so, however once I stoped transfer using options "plugctl 0
stop_tx", plugctl cannot change bcast_connection anymore (only kernel
modules related to 1394 are ohci1394, raw1394, ieee1394).
$ test/plugctl 0 start_tx
start_tx....
oMPR .plugs=1 .bcast_channel=63
oPCR .online=1 .bcast_connection=0 .n_p2p_connections=0
oPCR .data_rate=0 .overhead_id==480?1 .channel=63 .payload=122
oPCR .online=1 .bcast_connection=0 .n_p2p_connections=0
oPCR .data_rate=0 .overhead_id==480?1 .channel=63

Then I unpluged and pluged the camera physically to reset it.

After that I added "o_mpr.bcast_channel = 62" before "plug1394_set_oMPR"
but the camera is still sending on channel 63 (using dvgrab).
Reseting the camera in the manner mentioned above I tried the same with
"o_pcr.channel".
Again no change.

What does this mean?

Matthias

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Received on Sun Oct 5 14:59:12 2003