"Usage: " << command_name << " [gtk-options] [--preview]\n"
" [--video-std {ntsc|pal|secam}]\n"
" [--encoder {mjpegtools|mjpegtools-old}]\n"
"Usage: " << command_name << " [gtk-options] [--preview]\n"
" [--video-std {ntsc|pal|secam}]\n"
" [--encoder {mjpegtools|mjpegtools-old}]\n"