Filippo, thanks A LOT for taking time to look into this issue, i wasn't trying to blame you at all, i just was pointing out some of the possible causes for the bug at hand.
According to your observations made in the bug report generated by Fabian the problem is related to libv4l support in gstreamer and the ioctl made by cheese. If someone can test the patch published by Filippo it would be great! According to bug #260918 a lot of users had tested with LD_PRELOAD v4l compat lib without success in cheese but had success with skype or ekiga. Also it seems that this bug, the bug #28788 and bug #282473 are related to the gstreamer + v4l issues and the respective kernel modules, as Cheese is the first application an Ubuntu user would choose to test or play with their webcams the most of the bugs would be filling against it. I'll try tomorrow to put the dupes that had arrived in the meantime to the respective bugs. Thanks !!! ** Description changed: Binary package hint: cheese == Regression details == Discovered in version: 8.10RC Last known good version: 8.04.1 gstreamer-based apps (gstreamer-properties, cheese) doesn't show the v4l2 video output. cheese can configure webcam (Dell Inspiron integrated webcam) but it does not provide any output. after some time the apps hang. vlc can play with the webcam (including sound). the hardware: [ 11.835433] uvcvideo: Found UVC 1.00 device Laptop Integrated Webcam (05a9:2640) [ 11.835731] uvcvideo: Failed to query (135) UVC control 1 (unit 0) : -32 (exp. 26). [ 11.893113] input: Laptop Integrated Webcam as /devices/pci0000:00/0000:00:1a.7/usb3/3-1/3-1:1.0/input/input11 [ 12.025138] usbcore: registered new interface driver uvcvideo + + + Steps to Reproduce it: + + 1.- Start ekiga, you should get local video + 2.- Start gstreamer-properties, you should get video at the tab and video test button + 3.- Start cheese and it would hang after a while + 4.- Kill cheese, remove the uvcvideo (most probably this would happen with other modules, pwc, gspca) driver and reload it again + 5.- Try again with ekiga or gstreamer-properties, it would work + 6.- Start cheese, go to properties and configure to the lowest resolution available. Cheese would hang, kill it and it would start again. + Now you've got low resolution video ** Tags added: intrepid regression-release ** Tags removed: interpid regression-potential -- cheese doesn't show v4l2 video output and disables output on gstreamer-based apps ran afterwards https://bugs.launchpad.net/bugs/290506 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gstreamer0.10 in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
