Lucid PPA hosed me! How do I revert?

wally bkg wb666greene at
Fri Mar 11 07:50:56 PST 2011

After "upgrading" using the Lucid PPA ( my gstreamer is
totally hosed!

The most fundamental stating point for my application no longer works at

gst-launch v4l2src ! video/x-raw-yuv, framerate=\(fraction\)30000/1001,
width=640, height=480 ! xvimagesink

Setting pipeline to PAUSED ...
ERROR: Pipeline doesn't want to pause.
ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Device
'/dev/video0' cannot capture at 640x480
Additional debug info:
gstv4l2object.c(2093): gst_v4l2_object_set_format ():
Call to S_FMT failed for YUYV @ 640x480: Invalid argument
Setting pipeline to NULL ...
Freeing pipeline ...

How do I revert to the stuff in the repos that at least mostly worked?
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