Preventing screensaver when playing movie?
Rui Tiago Cação Matos
tiagomatos at gmail.com
Tue Feb 26 10:42:45 PST 2008
On 26/02/2008, Dotan Cohen <dotancohen at gmail.com> wrote:
> On 26/02/2008, Kevin DeKorte <kdekorte at gmail.com> wrote:
> > On Tue, 2008-02-26 at 19:02 +0100, Erik wrote:
> > > Suppose that we have the following situation. A user has told the system
> > > to "turn off the display after N minutes of inactivity". Then he starts
> > > the media player, opens a file and presses a button called play. The
> > > media player interprets this as the user saying "play this movie, but do
> > > not turn off the display while playing it, because i will watch it even
> > > though I do not interact with the system".
> > >
> > > So the media player has to do something like this. Each time the
> > > application updates the display with a new animation frame, it marks
> > > that update with a special flag, indicating that this is the kind of
> > > thing that the user may be watching even though he has not interacted
> > > with the system
> > > for a while. System then resets the screensaver countdown. However it
> > > does not reset the session locking countdown, because only real input
> > > may do that, for security reasons. So the user may have to give his
> > > password when he wants to interact with the system after playing the movie.
> > >
> > > How can the media player achieve this with xorg?
> > With gnome-mplayer, I use a dbus message to tell gnome-screensaver to be
> > inhibited while a video is being played.
> > CVS can be viewed here
> > http://dekorte.homeip.net/cgi-bin/cvsweb.cgi/gnome-mplayer/src/dbus-interface.c?rev=1.73
> > It is the last function on that page.
> > Kevin
> Any solution for KDE users who prefer mplayer?
$ man XScreenSaverSuspend
which mplayer uses if you install your distro's libXScrnSaver-devel
equivalent before compiling it.
I'm not sure this answers the original poster's question since I'm not
sure if this will prevent gnome-screensaver from locking the screen.
More information about the xorg