twirl

twirl

Properties

gdouble angle Read / Write

Types and Values

struct GstTwirl

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstElement
                ╰── GstBaseTransform
                    ╰── GstVideoFilter
                        ╰── GstGeometricTransform
                            ╰── GstCircleGeometricTransform
                                ╰── GstTwirl

Description

The twirl element twists the image from the center out.

Example launch line

1
gst-launch-1.0 -v videotestsrc ! twirl ! videoconvert ! autovideosink

Synopsis

Element Information

plugin

geometrictransform

author

Thiago Santos<thiago.sousa.santos@collabora.co.uk>

class

Transform/Effect/Video

Element Pads

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 ]

Functions

Types and Values

struct GstTwirl

struct GstTwirl;

Property Details

The “angle” property

  “angle”                    gdouble

This is the angle in radians by which pixels at the nearest edge of the image will move.

Flags: Read / Write

Default value: 3.14159

See Also

geometrictransform