Public bug reported:
Binary package hint: mplayer
This isn't strictly an mplayer bug because it affects other video
players but a big clue lies in the mplayer specific workaround.
On my macbook pro laptop running lucid and the nvidia driver I have a problem
with the external screen. Everytime I launch
a video application the screen switches off for a few seconds before _and_
after the video plays. This affects mplayer and xine
equally. Strangely mplayer -vo sdl is affected sometimes, sometimes the blank
at the beginning doesn't happen.
On my external monitor the blank screen lasts a few seconds, on the
projector I tried the projector tried to cycle through the inputs
looking for a signal and blank for a long time.
Since I use this for presentations it is a significant issue. Originally
I thought this was a kde4 issue since the hardware was previously
working using kde3 on an old version of suse. However, the fix I have
found works for kde3 and kde4.
workaround:
If I run mplayer -vo gl ... mplayer crashes, sometimes it screws up the
external screen, sometimes the external screen blinks mostly nothing
happens. After this all video players run fine with no blanks, blinks
or pauses. If I log out and back in to kde of any flavour the problem
reoccurs and I have to repeat this fix.
I am running kubuntu lucid on a 5.5 macbook pro using the kubuntu nvidia
packages.
** Affects: mplayer (Ubuntu)
Importance: Undecided
Status: New
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screen blanks on external screen
https://bugs.launchpad.net/bugs/624067
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