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GObject ╰── GInitiallyUnowned ╰── GstObject ╰── GstElement ╰── GstBaseTransform ╰── GstVideoFilter ╰── GstChromaHold
The chromahold element will remove all color information for all colors except a single one and converts them to grayscale.
Sample pipeline:
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gst-launch-1.0 videotestsrc pattern=smpte75 ! \ chromahold target-r=0 target-g=0 target-b=255 ! \ videoconvert ! autovideosink \ |
This pipeline only keeps the red color.
plugin |
coloreffects |
author |
Sebastian Dröge <sebastian.droege@collabora.co.uk> |
class |
Filter/Effect/Video |
name |
sink |
direction |
sink |
presence |
always |
details |
video/x-raw, format=(string){ ARGB, BGRA, ABGR, RGBA, xRGB, BGRx, xBGR, RGBx }, 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){ ARGB, BGRA, ABGR, RGBA, xRGB, BGRx, xBGR, RGBx }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ] |
“target-b” property“target-b” guint
The Blue target.
Flags: Read / Write
Allowed values: <= 255
Default value: 0
“target-g” property“target-g” guint
The Green target.
Flags: Read / Write
Allowed values: <= 255
Default value: 0
“target-r” property“target-r” guint
The Red target.
Flags: Read / Write
Allowed values: <= 255
Default value: 255
“tolerance” property“tolerance” guint
Tolerance for the target color.
Flags: Read / Write
Allowed values: <= 180
Default value: 30