Comment 5 for bug 460677

Description of the problem:
When using gstreamer to play video of a particular size, a vertical green line will appear if the window is dragged off the top of the screen.

(Screenshot: http://launchpadlibrarian.net/34370436/Screenshot.png )

Steps to reproduce:
1. Run
gst-launch-0.10 videotestsrc ! \
'video/x-raw-yuv,width=(int)1156,height=(int)746,framerate=(fraction)25/1,\
format=(fourcc)I420,interlaced=(boolean)false,pixel-aspect-ratio=(fraction)1/1' \
! xvimagesink
.
2. While the video is playing drag the window so that it is partially
of the top of the screen.

Expected result:
Video to keep playing with no artefacts / green lines.

Actual result:
Colours go strange and a vertical green line appears on the left of the video.

How reproducible is the problem?
It is reproducible every time.

Version information:
Ubuntu 9.10 (karmic)
EeePC 900
00:02.1 Display controller: Intel Corporation Mobile 915GM/GMS/910GML Express
Graphics Controller (rev 04)
xorg 1:7.4+3ubuntu7
libdrm-intel1 2.4.14-1ubuntu1
xserver-xorg-video-intel 2:2.9.0-1ubuntu2

Additional information:
This issue does not occur if a composited desktop is used (i.e. compiz is
running). The problem has also been reproduced on Slackware 13.0 on a desktop machine with an Intel G45.

(Originally filed on
https://bugs.launchpad.net/ubuntu/+source/gstreamer0.10/+bug/460677 and then https://bugzilla.gnome.org/show_bug.cgi?id=599679 ).