Comment 3 for bug 502866

The webcam is unusable due to this problem.

Bus 002 Device 014: ID 0ac8:307b Z-Star Microelectronics Corp. USB 1.1 Webcam

$ gst-launch-0.10 autovideosrc ! video/x-raw-yuv,framerate=\(fraction\)30/1,width=640,height=480 ! ffmpegcolorspace ! autovideosink
vert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffec
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000fffb
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000fffd
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4lconvert: Error decompressing JPEG: unknown huffman code: 0000ffff
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
libv4l2: error dequeuing buf: No such device
ERROR: from element /GstPipeline:pipeline0/GstAutoVideoSrc:autovideosrc0/GstV4l2Src:autovideosrc0-actual-src-v4l: Failed trying to get video frames from device '/dev/video0'.
Additional debug info:
v4l2src_calls.c(194): gst_v4l2src_grab_frame (): /GstPipeline:pipeline0/GstAutoVideoSrc:autovideosrc0/GstV4l2Src:autovideosrc0-actual-src-v4l:
Failed after 50 tries. device /dev/video0. system error: No such device
Execution ended after 24358564033 ns.
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
Freeing pipeline ...