[Portland-bugs] [Bug 61943] New: xdg-screensaver DPMS wrong behavior with vlc playlist

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=61943

          Priority: medium
            Bug ID: 61943
          Assignee: portland-bugs at lists.freedesktop.org
           Summary: xdg-screensaver DPMS wrong behavior with vlc playlist
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: netfab at gmail.com
          Hardware: Other
            Status: NEW
           Version: 1.1.0 rc1
         Component: xdg-utils
           Product: Portland

Downstream bug : https://trac.videolan.org/vlc/ticket/8270

Hi,

I'm using vlc 2.0.5 to view TV streams from my ISP using a playlist. I guess
this behavior will also be observable with vlc if you create a playlist with
some random movies.

Sometimes while viewing a channel, DPMS turns the screen off. It does not
happen all the time, but often enough to be very annoying.

After doing a few observations, I think that DPMS is quickly enabled/disabled
each time you switch a title into the playlist, and sometimes, it fails to be
disabled, leaving the screen with DPMS on while watching the video stream.

I don't know if it's related, but I noticed that if you use vlc long enough and
switch titles into playlist, vlc spawns many xdg-screensaver process :

> $ ps aux | grep xdg-scree
> netfab   18316  0.0  0.0  14100   904 ?        S    17:40   0:00 /bin/sh /usr/bin/xdg-screensaver suspend 0x03c00069
> netfab   18417  0.0  0.0  14100   904 ?        S    17:40   0:00 /bin/sh /usr/bin/xdg-screensaver suspend 0x03c0006b
> netfab   18561  0.0  0.0  14100   904 ?        S    17:41   0:00 /bin/sh /usr/bin/xdg-screensaver suspend 0x03c00075
> netfab   18651  0.0  0.0  14100   904 ?        S    17:42   0:00 /bin/sh /usr/bin/xdg-screensaver suspend 0x03c00077
> netfab   18756  0.0  0.0  14100   904 ?        S    17:42   0:00 /bin/sh /usr/bin/xdg-screensaver suspend 0x03c00079
> netfab   19153  0.0  0.0  14100   900 ?        S    17:53   0:00 /bin/sh /usr/bin/xdg-screensaver suspend 0x03c00080
> netfab   19603  0.0  0.0  14100   900 ?        S    18:00   0:00 /bin/sh /usr/bin/xdg-screensaver suspend 0x03c0008c
> netfab   19818  0.0  0.0  14100   904 ?        S    18:03   0:00 /bin/sh /usr/bin/xdg-screensaver suspend 0x03c0008e
> netfab   20054  0.0  0.0  14100   900 ?        S    18:07   0:00 /bin/sh /usr/bin/xdg-screensaver suspend 0x03c00090
> netfab   20175  0.0  0.0  14100   896 ?        S    18:08   0:00 /bin/sh /usr/bin/xdg-screensaver suspend 0x03c00092
> netfab   20295  0.0  0.0  14100   872 ?        S    18:08   0:00 /bin/sh /usr/bin/xdg-screensaver suspend 0x03c00094
> netfab   20303  0.0  0.0  14104  1116 ?        S    18:08   0:00 /bin/sh /usr/bin/xdg-screensaver suspend 0x03c00094

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