perspective: GStreamer Bad Plugins 1.0 Plugins Reference Manual

perspective

Properties

GValueArray *

matrix

Read / Write

Types and Values

struct

GstPerspective

Object Hierarchy

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

Description

The perspective element applies a 2D perspective transform.

Example launch line

1	gst-launch-1.0 -v videotestsrc ! perspective ! videoconvert ! autovideosink

Synopsis

Element Information

plugin	geometrictransform
author	Antonio Ospite <ospite@studenti.unina.it>
class	Transform/Effect/Video

Element Pads

name	sink
direction	sink
presence	always
details	video/x-raw, format=(string){ ARGB, BGR, BGRA, BGRx, RGB, RGBA, RGBx, AYUV, xBGR, xRGB, GRAY8, GRAY16_BE, GRAY16_LE }, 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){ ARGB, BGR, BGRA, BGRx, RGB, RGBA, RGBx, AYUV, xBGR, xRGB, GRAY8, GRAY16_BE, GRAY16_LE }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]

Functions

Types and Values

struct GstPerspective

struct GstPerspective;

Property Details

The `“matrix”` property

  “matrix”                   GValueArray *

Matrix of dimension 3x3 to use in the 2D transform, passed as an array of 9 elements in row-major order.

Flags: Read / Write

perspective

Properties

Types and Values

Object Hierarchy

Description

Example launch line

Synopsis

Element Information

Element Pads

Functions

Types and Values

struct GstPerspective

Property Details

The “matrix” property

See Also

The `“matrix”` property