square

The square element distorts the center part of the image into a square.

Example launch line

 gst-launch-1.0 -v videotestsrc ! square zoom=100 ! videoconvert ! autovideosink

Hierarchy

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstElement
                ╰──GstBaseTransform
                    ╰──GstVideoFilter
                        ╰──GstGeometricTransform
                            ╰──square

Factory details

Authors: – Filippo Argiolas

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 ]

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

height

“height” gdouble

Height of the square, relative to the frame height

Flags : Read / Write

Default value : 0.5


width

“width” gdouble

Width of the square, relative to the frame width

Flags : Read / Write

Default value : 0.5


zoom

“zoom” gdouble

Zoom amount in the center region

Flags : Read / Write

Default value : 2


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