opencvtextoverlay
opencvtextoverlay renders the text on top of the video frames
Example launch line
gst-launch-1.0 videotestsrc ! videoconvert ! opencvtextoverlay text="Opencv Text Overlay " ! videoconvert ! xvimagesink
Hierarchy
GObject ╰──GInitiallyUnowned ╰──GstObject ╰──GstElement ╰──GstBaseTransform ╰──GstVideoFilter ╰──GstOpencvVideoFilter ╰──opencvtextoverlay
Factory details
Authors: – sreerenj
Classification: – Filter/Effect/Video
Rank – none
Plugin – opencv
Package – GStreamer Bad Plug-ins
Pad Templates
sink
video/x-raw:
format: RGB
width: [ 1, 2147483647 ]
height: [ 1, 2147483647 ]
framerate: [ 0/1, 2147483647/1 ]
src
video/x-raw:
format: RGB
width: [ 1, 2147483647 ]
height: [ 1, 2147483647 ]
framerate: [ 0/1, 2147483647/1 ]
Properties
colorB
“colorB” gint
Sets the color -B
Flags : Read / Write
Default value : 0
colorG
“colorG” gint
Sets the color -G
Flags : Read / Write
Default value : 0
colorR
“colorR” gint
Sets the color -R
Flags : Read / Write
Default value : 0
height
“height” gdouble
Sets the height of fonts
Flags : Read / Write
Default value : 1
text
“text” gchararray
Text to be display.
Flags : Read / Write
Default value : Opencv Text Overlay
thickness
“thickness” gint
Sets the Thickness of Font
Flags : Read / Write
Default value : 2
width
“width” gdouble
Sets the width of fonts
Flags : Read / Write
Default value : 1
xpos
“xpos” gint
Sets the Horizontal position
Flags : Read / Write
Default value : 50
ypos
“ypos” gint
Sets the Vertical position
Flags : Read / Write
Default value : 50
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