vertigotv

vertigotv — A loopback alpha blending effector with rotating and scaling

Properties

gfloat speed Read / Write
gfloat zoom-speed Read / Write

Signals

void reset-parms Action

Types and Values

struct GstVertigoTV

Object Hierarchy

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

Description

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

Example launch line

1
gst-launch-1.0 -v videotestsrc ! vertigotv ! videoconvert ! autovideosink
This pipeline shows the effect of vertigotv on a test stream.

Synopsis

Element Information

plugin

effectv

author

Wim Taymans <wim.taymans@gmail.be>

class

Filter/Effect/Video

Element Pads

name

sink

direction

sink

presence

always

details

video/x-raw, format=(string){ RGBx, BGRx }, 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){ RGBx, BGRx }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]

Functions

Types and Values

struct GstVertigoTV

struct GstVertigoTV;

Property Details

The “speed” property

  “speed”                    gfloat

Control the speed of movement.

Flags: Read / Write

Allowed values: [0.01,100]

Default value: 0.02


The “zoom-speed” property

  “zoom-speed”               gfloat

Control the rate of zooming.

Flags: Read / Write

Allowed values: [1.01,1.1]

Default value: 1.01

Signal Details

The “reset-parms” signal

void
user_function (GstVertigoTV *gstvertigotv,
               gpointer      user_data)

Parameters

gstvertigotv

the object which received the signal.

 

user_data

user data set when the signal handler was connected.

 

Flags: Action