Bug#792538: vlc: When playing a video, screen gets black for a fraction of second every 30 seconds
sramacher at debian.org
Sun Jul 19 11:51:31 UTC 2015
Control: tags -1 + upstream
Control: severity -1 normal
On 2015-07-16 00:59:22, Vincent Lefevre wrote:
> Control: retitle -1 When a video is playing or paused, vlc execs "xdg-screensaver reset" every 30 seconds, flickering the screen
> Thanks to strace, I've found the problem: vlc executes
> "xdg-screensaver reset" every 30 seconds, which executes
> "xset dpms force on", which flickers the screen.
> Then, I wonder whether executing "xdg-screensaver reset" is the right
> thing to do. "xdg-screensaver suspend ..." has the same problem, but
> if I understand correctly, it can be done only at the beginning, so
> that the problem becomes minor. Firefox and MPlayer don't have any
> flickering problem, so that there may be something better.
If you have a screensaver that supports any of the org.freedesktop.ScreenSaver,
org.freedesktop.PowerManagement.Inhibit, org.mate.SessionManager or
org.gnome.SessionManager D-Bus interfaces, this should not happen. In that case
Inhibit respectivelly Uninhibit are called.
For the xdg-screensaver fallback, this discussion is best taken upstream.
> Also, disabling the screensaver while is video is paused is incorrect,
This is https://trac.videolan.org/vlc/ticket/3724.
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