vertigotv

vertigotv — A loopback alpha blending effector with rotating and scaling

Synopsis

struct              GstVertigoTV;

Object Hierarchy

  GObject
   +----GInitiallyUnowned
         +----GstObject
               +----GstElement
                     +----GstBaseTransform
                           +----GstVideoFilter
                                 +----GstVertigoTV

Properties

  "speed"                    gfloat                : Read / Write
  "zoom-speed"               gfloat                : Read / Write

Signals

  "reset-parms"                                    : Action

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 ]

Details

struct GstVertigoTV

struct GstVertigoTV;

Property Details

The "speed" property

  "speed"                    gfloat                : Read / Write

Control the speed of movement.

Allowed values: [0.01,100]

Default value: 0.02


The "zoom-speed" property

  "zoom-speed"               gfloat                : Read / Write

Control the rate of zooming.

Allowed values: [1.01,1.1]

Default value: 1.01

Signal Details

The "reset-parms" signal

void                user_function                      (GstVertigoTV *gstvertigotv,
                                                        gpointer      user_data)         : Action

gstvertigotv :

the object which received the signal.

user_data :

user data set when the signal handler was connected.