uv4l-xscreen – (advanced) Projects

NAME

xscreen – Userspace Video4Linux driver module for virtual devices from X screens

SYNOPSIS

uv4l [ uv4l-options ] –driver xscreen [ xscreen-options ]

DESCRIPTION

Turn any portion of any X Screen into a virtual Video4Linux device. See the ‘uv4l’ manual page for other details.

OPTIONS

–display hostname:number.screen_number
Specifies the hardware display name, which determines the display and communications domain to be used. On a POSIX-conformant system, if the display name is not specified, it defaults to the value of the DISPLAY environment variable. For example, the following would specify screen 1 of display 0 on the machine named dual-headed: dual-headed:0.1

–xorigin number
Specify the x coordinate, which is relative to the origin of the drawable and define the upper corner of the cropping rectangle.

–yorigin number
Specify the y coordinate, which is relative to the origin of the drawable and define the upper corner of the cropping rectangle.

–width number
Specify the width of the subimage, which defines the orizontal dimension of the cropping rectangle. Default is maximum available.

–height number
Specify the height of the subimage, which defines the vertical dimension of the cropping rectangle. Default is maximum available.

–pan Enable panning for the cropping rectangle. The area will be sourrended by a window handled by the Window Manager.

–pan-mode 0|1
If set to 0 display the panning window when streaming only. If set to 1 always display the panning window. This option is only valid if panning is enabled.