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Object Hierarchy
GObject ╰── GInitiallyUnowned ╰── GstObject ╰── GstElement ╰── GstBin ╰── GstFaceOverlay
Description
Overlays a SVG image over a detected face in a video stream. x, y, w, and h properties are optional, and change the image position and size relative to the detected face position and size.
Example launch line
1 |
gst-launch-1.0 autovideosrc ! videoconvert ! faceoverlay location=/path/to/gnome-video-effects/pixmaps/bow.svg x=0.5 y=0.5 w=0.7 h=0.7 ! videoconvert ! autovideosink |
Synopsis
Element Information
plugin |
faceoverlay |
author |
Laura Lucas Alday <lauralucas@gmail.com> |
class |
Filter/Editor/Video |
Element Pads
name |
sink |
direction |
sink |
presence |
always |
details |
video/x-raw, format=(string){ RGB }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ] |
name |
src |
direction |
source |
presence |
always |
details |
video/x-raw, format=(string){ BGRA }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ] |
Property Details
The “h” property
“h” gfloat
Specify image height relative to face height.
Flags: Read / Write
Allowed values: >= 0
Default value: 1
The “location” property
“location” gchar *
Location of SVG file to use for face overlay.
Flags: Read / Write
Default value: ""
The “w” property
“w” gfloat
Specify image width relative to face width.
Flags: Read / Write
Allowed values: >= 0
Default value: 1
The “x” property
“x” gfloat
Specify image x relative to detected face x.
Flags: Read / Write
Default value: 0
The “y” property
“y” gfloat
Specify image y relative to detected face y.
Flags: Read / Write
Default value: 0