# vertigotv

VertigoTV is a loopback alpha blending effector with rotating and scaling.

## Example launch line

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

This pipeline shows the effect of vertigotv on a test stream.

## Hierarchy

    GObject
        ╰──GInitiallyUnowned
            ╰──GstObject
                ╰──GstElement
                    ╰──GstBaseTransform
                        ╰──GstVideoFilter
                            ╰──vertigotv

## Factory details

Authors: – Wim Taymans <wim.taymans></wim.taymans>

Classification: – `Filter/Effect/Video`

Rank – none

Plugin – effectv

Package – GStreamer Good Plug-ins

## Pad Templates

### `sink`

    video/x-raw:
             format: { RGBx, BGRx }
              width: [ 1, 2147483647 ]
             height: [ 1, 2147483647 ]
          framerate: [ 0/1, 2147483647/1 ]

Presence – always

Direction – sink

Object type – GstPad

### `src`

    video/x-raw:
             format: { RGBx, BGRx }
              width: [ 1, 2147483647 ]
             height: [ 1, 2147483647 ]
          framerate: [ 0/1, 2147483647/1 ]

Presence – always

Direction – src

Object type – GstPad

## Properties

### speed

    “speed” gfloat

Control the speed of movement

Flags : Read / Write

Default value : 0.02

### zoom-speed

    “zoom-speed” gfloat

Control the rate of zooming

Flags : Read / Write

Default value : 1.01

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