add more dependencies apt-get for staging
add gst-switch-ptz program for local PTZ control
add missing file
make the control buttons bigger; open device
apply protocol from command line
fix segfault when unsupported protocol provided
add libv4l-dev to the stage script
allow specifying video capture from command line
fix conflict options -p and -video
set PTZ range [0,99], 50 for centering
fix mistaking zoom action
make step of 10
using zooming buttons
disable the speed sliders for visca-sony
call _move for pan/tilt instead of _pan and _tilt
using range [0,1]
convert 50 into 0.5
gst-switch-ptz: apply to the new _move api
stepping 0.05
using ranges of [-120,120]