$ lsusb Bus 005 Device 004: ID 046d:0892 Logitech, Inc. OrbiCam
$ LD_PRELOAD=/usr/lib/libv4l/v4l2convert.so cheese libv4l2: error dequeuing buf: Input/output error libv4l2: error dequeuing buf: Input/output error libv4l2: error dequeuing buf: Input/output error libv4l2: error dequeuing buf: Input/output error libv4l2: error dequeuing buf: Input/output error
$ lsusb
Bus 005 Device 004: ID 046d:0892 Logitech, Inc. OrbiCam
$ LD_PRELOAD= /usr/lib/ libv4l/ v4l2convert. so cheese
libv4l2: error dequeuing buf: Input/output error
libv4l2: error dequeuing buf: Input/output error
libv4l2: error dequeuing buf: Input/output error
libv4l2: error dequeuing buf: Input/output error
libv4l2: error dequeuing buf: Input/output error