## 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