[Bug 673991] gstreamer hangs when accessing webcam (on specific hardware)

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=673991
  GStreamer | don't know | 0.10.36

--- Comment #1 from Sebastien Bacher <seb128 at ubuntu.com> 2012-04-12 13:13:19 UTC ---
some addition infos from the launchpad bug comments

"Did some extra debugging in webcam.c initially, I tracked down the hanging
call to be:

if (gst_element_set_state (priv->camerabin, GST_STATE_PLAYING) ==
GST_STATE_CHANGE_FAILURE) {

or more specifically gst_element_set_state(priv->camerabin, GST_STATE_PLAYING)"


https://bugs.launchpad.net/ubuntu/+source/gstreamer0.10/+bug/966294/comments/41
has details

it points to http://paste.ubuntu.com/926326/ as "fixing" the issue (reverting
part of f56c6e12255b37d75b1eb949e434fa8e3bb33f51"


"GST_DEBUG=5 for cheese (camerabin) and ubiquity (camerabin2) both with the
revert (working behaviour) and without (UI hanging).

https://bugs.launchpad.net/ubuntu/+source/gstreamer0.10/+bug/966294/+attachment/3052263/+files/cheese.gz
https://bugs.launchpad.net/ubuntu/+source/gstreamer0.10/+bug/966294/+attachment/3052264/+files/cheese-with-revert.gz
https://bugs.launchpad.net/ubuntu/+source/gstreamer0.10/+bug/966294/+attachment/3052265/+files/ubiquity.gz
https://bugs.launchpad.net/ubuntu/+source/gstreamer0.10/+bug/966294/+attachment/3052290/+files/ubiquity-with-revert.gz"

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