v4l-conf: invalid option -- '-' usage: v4l-conf [ options ] options: -q quiet -d <dpy> X11 Display [] -c <dev> video device [/dev/video0] -b <n> displays color depth is <n> bpp -s <n> shift display by <n> bytes -f query frame buffer device for info -a <addr> set framebuffer address to <addr> (in hex, root only, successful autodetect will overwrite this address) -p <pitch> set framebuffer pitch to <pitch> bytes (decimal, root only) -1 force v4l API -2 force v4l2 API

v4l-conf: invalid option -- '-' usage: v4l-conf [ options ] options: -q quiet -d <dpy> X11 Display [] -c <dev> video device [/dev/video0] -b <n> displays color depth is <n> bpp -s <n> shift display by <n> bytes -f query frame buffer device for info -a <addr> set framebuffer address to <addr> (in hex, root only, successful autodetect will overwrite this address) -p <pitch> set framebuffer pitch to <pitch> bytes (decimal, root only) -1 force v4l API -2 force v4l2 API