Description of problem: When I start cheese there is an error message - "failed to detect a webcam - sorry". There is a webcam on my laptop, using the r5u870 driver. A while ago there was a problem caused by the lack of a v4l2 source in gstreamer-plugins-good but that seems to be present now and the video source is detected by effectv and xawtv, though it also doesn't work in ekiga. Version-Release number of selected component (if applicable): cheese-0.2.4-2.fc8 How reproducible: Every time Steps to Reproduce: 1. 2. 3. Actual results: Video source is not detected Expected results: Video source should be detected Additional info: Here's the command-line output: ** Message: Probing the webcam, please ignore the following, not applicabable tries ** Message: Error running pipeline 'v4l2src ! fakesink': Could not negotiate format [gstbasesrc.c(2062): gst_base_src_start (): /pipeline0/v4l2src0: Check your filtered caps, if any] ** Message: test pipeline for v4l2src failed: [v4l2src ! fakesink]: Could not negotiate format ** Message: Error running pipeline 'v4lsrc ! video/x-raw-rgb,width=640,height=480 ! fakesink': Could not negotiate format [gstbasesrc.c(2062): gst_base_src_start (): /pipeline1/v4lsrc0: Check your filtered caps, if any] ** Message: test pipeline for v4lsrc failed: [v4lsrc ! video/x-raw-rgb,width=640,height=480 ! fakesink]: Could not negotiate format ** Message: Error running pipeline 'v4lsrc ! video/x-raw-yuv,width=640,height=480 ! fakesink': Could not negotiate format [gstbasesrc.c(2062): gst_base_src_start (): /pipeline2/v4lsrc1: Check your filtered caps, if any] ** Message: test pipeline for v4lsrc failed: [v4lsrc ! video/x-raw-yuv,width=640,height=480 ! fakesink]: Could not negotiate format ** Message: Error running pipeline 'v4lsrc ! video/x-raw-rgb,width=320,height=240 ! fakesink': Could not negotiate format [gstbasesrc.c(2062): gst_base_src_start (): /pipeline3/v4lsrc2: Check your filtered caps, if any] ** Message: test pipeline for v4lsrc failed: [v4lsrc ! video/x-raw-rgb,width=320,height=240 ! fakesink]: Could not negotiate format ** Message: Error running pipeline 'v4lsrc ! video/x-raw-rgb,width=1280,height=960 ! fakesink': Could not negotiate format [gstbasesrc.c(2062): gst_base_src_start (): /pipeline4/v4lsrc3: Check your filtered caps, if any] ** Message: test pipeline for v4lsrc failed: [v4lsrc ! video/x-raw-rgb,width=1280,height=960 ! fakesink]: Could not negotiate format ** Message: Error running pipeline 'v4lsrc ! video/x-raw-rgb,width=174,height=144 ! fakesink': Could not negotiate format [gstbasesrc.c(2062): gst_base_src_start (): /pipeline5/v4lsrc4: Check your filtered caps, if any] ** Message: test pipeline for v4lsrc failed: [v4lsrc ! video/x-raw-rgb,width=174,height=144 ! fakesink]: Could not negotiate format ** Message: Error running pipeline 'v4lsrc ! video/x-raw-rgb,width=160,height=120 ! fakesink': Could not negotiate format [gstbasesrc.c(2062): gst_base_src_start (): /pipeline6/v4lsrc5: Check your filtered caps, if any] ** Message: test pipeline for v4lsrc failed: [v4lsrc ! video/x-raw-rgb,width=160,height=120 ! fakesink]: Could not negotiate format ** Message: Error running pipeline 'v4lsrc ! fakesink': Could not negotiate format [gstbasesrc.c(2062): gst_base_src_start (): /pipeline7/v4lsrc6: Check your filtered caps, if any] ** Message: test pipeline for v4lsrc failed: [v4lsrc ! fakesink]: Could not negotiate format using photo source: videotestsrc using video source: videotestsrc
I have a feeling that this is related to bug #316931.
Scratch that. That's a different issue.
I've got the same problem: http://bugzilla.gnome.org/show_bug.cgi?id=513280
Changing version to '9' as part of upcoming Fedora 9 GA. More information and reason for this action is here: http://fedoraproject.org/wiki/BugZappers/HouseKeeping
This is most likely due to the r5u870 using a funky video format. I'm working on adding support for this format to libv4l, then you should be able to get the cam to work in both cheese and ekiga by using libv4l, I'll get back to you on that. For more info about the format problem see: http://wiki.mediati.org/Support And then the "Bad colour errors" paragraph.
It is done, download it here: http://people.atrpms.net/~hdegoede/libv4l-0.4.3.tar.gz And then: tar xvfz libv4l-0.4.3.tar.gz cd libv4l-0.4.3 make sudo make install PREFIX=/usr or: sudo make install PREFIX=/usr LIBDIR=/usr/lib64 (on x86_64) Then do: export LD_PRELOAD=/usr/lib/libv4l/v4l1compat.so And then (finally) start up ekiga or cheese, note that the application must be started from the same terminal as where the export command was done! Also do you have the necessary firmware files installed? See: http://wiki.mediati.org/
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Fedora 9 changed to end-of-life (EOL) status on 2009-07-10. Fedora 9 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. Thank you for reporting this bug and we are sorry it could not be fixed.