after youtube .swf, black xterm text => transparent

[David Demelier]

Do you have a nvidia card ?

If yes right click on the youtube image and disable hardware acceleration,
it will probably solve it (solved for me)


2012/11/21 Gary Aitken <freebsd at dreamchaser.org>

> After doing a number of port upgrades to try to get firefox 16 to play
> youtube audio again (still doesn't), I now see that when I put an xterm
> window over a particular portion of the display, the black areas on the
> xterm are transparent, and are showing a portion of a youtube page
> which is no longer playing but which is still open on either a visible
> or a non-visible (i.e. not the current) tab.
>
> The image is from the end of the following page:
>
>   https://www.youtube.com/watch?v=aHuYmhY-5-g
>
> and the video content is
>   https://s.ytimg.com/yts/swfbin/watch_as3-vfl1ubMZd.swf
>
> Anyone else seeing this problem?
>
> Hmm... this is weird.  If I iconify everything except a couple of
> xterms, xwininfo clicked on the region where the image *was*, which now
> has only the wm (xfce4) background, the xwininfo gives the window id
> for the background.
>
> This is particularly noticeable in the xfce terminal emulator, 0.4.8,
> as it comes up with an entirely black background.
>
> Gimp, firefox and thunderbird windows don't have the problem, nor does the
> wm header.
>
> I'm guessing this is a result of using the XVideo extension, and not using
> opengl in the wm, or something like that, based on this article:
>
>   https://en.wikipedia.org/wiki/X_video_extension
>
> Can anyone shed some light on this and how to prevent it?
>
> p.s.  I can't seem to find how to tell what options a port is installed
> with, and what the defaults are.  I know it's there somewhere...
>
> Thanks,
>
> Gary
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-- 
Demelier David