.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.47.6.
.TH V4L2LOOPBACK-CTL "1" "July 2018" "v4l2loopback-ctl 0.6" "User Commands"
.SH NAME
v4l2loopback-ctl \- control v4l2 loopback devices
.SH DESCRIPTION
.SS "Usage:"
.IP
utils/v4l2loopback\-ctl [command] [args]
.SS "Commands:"
.TP
set\-fps <FPS> \fI\,/dev/videoX\/\fP
Set device fps (if format is already
negotiated).
.TP
set\-timeout\-image <IMAGE> \fI\,/dev/videoX\/\fP
Set timeout on device, and
optionally the placeholder picture,
instead of default null frame.
.TP
set\-caps <CAPS> \fI\,/dev/videoX\/\fP
Fix format for the device (using GStreamer
caps), so it will be maintained until reset,
regardless of future readers/writers.
.SH OPTIONS
.TP
FPS
frames per second, either as integer ('30') or fraction ('50/2')
.TP
IMAGE
image file ("no\-input.png"), or 'videotestsrc'
.TP
CAPS
GStreamer caps ("video/x\-raw\-yuv, width=640, height=480"),
or 'any'
.TP
\fI\,/dev/videoX\/\fP
the v4l2\-loopback device file you want to act on
.SH COPYRIGHT
Copyright \(co 2012 IOhannes m zmoelnig <zmoelnig@iem.at>
.br
Copyright \(co 2012 Anton Novikov (random.plant@gmail.com)