On mer, 2008-11-12 at 08:20 +0100, Filippo Argiolas wrote: > On mer, 2008-11-12 at 08:18 +0100, Filippo Argiolas wrote: > > On mer, 2008-11-12 at 02:03 +0100, Laurent Pinchart wrote: > > > What do you mean by "something happens" ? Did the camera stop streaming ? > > > I > > > can't see any hint in the log. > > > > I mean that something not noticeable happens with the camera: everything > > seems fine, I can see the video stream but any subsequent run of that > > gst-launch command fails, hence I believe something happened in the > > first run. > > > > I applied your patch in current svn (r262) and did the same test again. > > Note that the second gst-launch run doesn't exit cleanly, I have to > > press Ctrl+C 2 times, the first one tries to correctly stop the pipeline > > but hangs, the second actually forces quit. The webcam light never turns > > on, maybe something is failing with webcam initialization. > > > > Another thing, I'm a bit confused about the place uvcvideo development > > is going on at the moment. I see you sent me a patch against svn but I > > believed uvc was included upstream so development was going on on > > linuxtv mercurial repos.. isn't it so? > >
Since I'm not so sure gstreamer is not involved with this issue I looked in gst-plugins-good for recent changes on v4l2src. The only notable change was its switch to libv4l2 (see bug http://bugzilla.gnome.org/show_bug.cgi?id=545033 ). Hans had some doubt a behavior like this could be caused by libv4l when I asked him in http://bugzilla.gnome.org/show_bug.cgi?id=545033 but I wouldn't exclude it, so I'm attaching a libv4l2 log. If not else, it does contain a log of all the ioctl calls.. maybe it can be useful. First one done with the first gst-launch run, second one with the second. Thanks again, Filippo Argiolas
libv4l2-1.log.bz2
Description: application/bzip
libv4l2-2.log.bz2
Description: application/bzip
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