problem with videoconference device
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Ideally the presentation will be a full screen acrobat reader display of
a PDF file, and the demo a full screen firefox web session.
However I'm having problems with the screen size which gets truncated.
The PC has a native resolution of 1400x1050 (4:3).
The videoconference device has a Samsung TV attached and an XGA input,
which defaults to 1280x768 (NB 5:3 !), although the diagnostics says to
detect a 1024x768 irrespective of what the PC is actually sending. The
videoconf device can be configured to 1024x768 (4:3) but then the TV
flickers.
I tried several settings of the PC (under Linux SuSE using SAX2 to set
the screen size 1280x768 e 1024x768 ; I tried also Windows as a fallback
:-() in combination with both settings of the videoconference device.
In *all* cases only part of the PC screen appears on the TV screen (I'm
expecting that the other parties in the videoconf will show similar
truncation). In the most favourable combination the ~200 rightmost
pixels of the PC screen are not shown on the TV.
I wonder if there is any X utility (ideally bundled in Suse !) which
allows to tell a "fake full screen" is using only part of the real PC
screen (the part echoed on the TV).
I know xrandr which can emulate different resolutions, but unfortunately
always uses the full PC screen width.
As fallback I could manually resize acrobat and firefox (unfortunately
both are not very compliant to traditional -geometry switches and so on)
so that the useful area fits on the part of the screen echoed on the TV,
but still it is rather painful because of window manager decorations and
other service buttons ... real full screen mode is much nicer.
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