twirl

The twirl element twists the image from the center out.

Example launch line

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

Hierarchy

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

Factory details

Authors: – Thiago Santos

Classification: – Transform/Effect/Video

Rank – none

Plugin – geometrictransform

Package – GStreamer Bad Plug-ins

Pad Templates

sink

video/x-raw:
         format: { ARGB, BGR, BGRA, BGRx, RGB, RGBA, RGBx, AYUV, xBGR, xRGB, GRAY8, GRAY16_BE, GRAY16_LE }
          width: [ 1, 2147483647 ]
         height: [ 1, 2147483647 ]
      framerate: [ 0/1, 2147483647/1 ]

Presence – always

Direction – sink

Object type – GstPad

src

video/x-raw:
         format: { ARGB, BGR, BGRA, BGRx, RGB, RGBA, RGBx, AYUV, xBGR, xRGB, GRAY8, GRAY16_BE, GRAY16_LE }
          width: [ 1, 2147483647 ]
         height: [ 1, 2147483647 ]
      framerate: [ 0/1, 2147483647/1 ]

Presence – always

Direction – src

Object type – GstPad

Properties

angle 

“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

The results of the search are