stretch

The stretch element stretches the image in a circle around the center point.

Example launch line

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

Hierarchy

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

Factory details

Authors: – Filippo Argiolas

Classification:Transform/Effect/Video

Rank – none

Plugin – gstgeometrictransform

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 ]

Presencealways

Directionsink

Object typeGstPad


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 ]

Presencealways

Directionsrc

Object typeGstPad


Properties

intensity

“intensity” gdouble

Intensity of the stretch effect

Flags : Read / Write

Default value : 0.5


off-edge-pixels

“off-edge-pixels” GstGeometricTransformOffEdgesPixelsMethod *

What to do with off edge pixels

Flags : Read / Write

Default value : clamp (1)


qos

“qos” gboolean

Handle Quality-of-Service events

Flags : Read / Write

Default value : true


radius

“radius” gdouble

radius of the circle_geometric_transform effect

Flags : Read / Write

Default value : 0.35


x-center

“x-center” gdouble

X axis center of the circle_geometric_transform effect

Flags : Read / Write

Default value : 0.5


y-center

“y-center” gdouble

Y axis center of the circle_geometric_transform effect

Flags : Read / Write

Default value : 0.5


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