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GObject ╰── GInitiallyUnowned ╰── GstObject ╰── GstElement ╰── GstBaseTransform ╰── GstVideoFilter ╰── GstGeometricTransform ╰── GstSquare
The square element distorts the center part of the image into a square.
1 |
gst-launch-1.0 -v videotestsrc ! square zoom=100 ! videoconvert ! autovideosink |
plugin |
geometrictransform |
author |
Filippo Argiolas <filippo.argiolas@gmail.com> |
class |
Transform/Effect/Video |
name |
sink |
direction |
sink |
presence |
always |
details |
video/x-raw, format=(string){ ARGB, BGR, BGRA, BGRx, RGB, RGBA, RGBx, AYUV, xBGR, xRGB, GRAY8, GRAY16_BE, GRAY16_LE }, 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, BGR, BGRA, BGRx, RGB, RGBA, RGBx, AYUV, xBGR, xRGB, GRAY8, GRAY16_BE, GRAY16_LE }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ] |
“height” property“height” gdouble
Height of the square, relative to the frame height.
Flags: Read / Write
Allowed values: [0,1]
Default value: 0.5
“width” property“width” gdouble
Width of the square, relative to the frame width.
Flags: Read / Write
Allowed values: [0,1]
Default value: 0.5
“zoom” property“zoom” gdouble
Zoom amount in the center region.
Flags: Read / Write
Allowed values: [1,100]
Default value: 2