[MPlayer-users] Using mplayer with NX
Jan Knutar
jknutar at nic.fi
Tue Jun 3 11:56:39 CEST 2008
On Monday 02 June 2008 13:17, John A. Sullivan III wrote:
> Sorry for not being more clear. The web cam is connected to the
> physical desktop. The user on the physical desktop is using NX
> client to view the virtual desktop running NX server on a different
> physical device. The user is using mplayer on the virtual desktop
> and needs to be able to control (start, stop, pause, etc.) and view
> the input of the web cam using mplayer on the virtual desktop.
I very much doubt you can access the webcam of another machine without
running some helper program on the other machine... Samba/NX is trying
to read /dev/video0 as a regular file, and MPlayer on the other machine
probably also sees it as a normal file, and the webcam's v4l drivers
don't output any usable/identifiable stream without being told what to
do, and those ioctl's don't get passed across a nfs or samba mount...
If cat /dev/video0 > test.file on the actual machine with webcam
produces some output, it might maybe be possible to convince MPlayer to
parse it as raw data with the appropriate raw:// and -raw options,
which might or might not work across samba, I imagine neither samba nor
mplayer would be too happy about reading a non-seekable file when they
think and expect it to be seekable...
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