# gleffects_laplacian

GL Shading Language effects - Laplacian Convolution Demo Effect

## Hierarchy

    GObject
        ╰──GInitiallyUnowned
            ╰──GstObject
                ╰──GstElement
                    ╰──GstBaseTransform
                        ╰──GstGLBaseFilter
                            ╰──GstGLFilter
                                ╰──GstGLEffects
                                    ╰──gleffects_laplacian

## Factory details

Authors: – Filippo Argiolas <filippo.argiolas@gmail.com></filippo.argiolas@gmail.com>

Classification: – `Filter/Effect/Video`

Rank – none

Plugin – opengl

Package – GStreamer Base Plug-ins

## Pad Templates

### `sink`

    video/x-raw(ANY):
             format: RGBA
              width: [ 1, 2147483647 ]
             height: [ 1, 2147483647 ]
          framerate: [ 0/1, 2147483647/1 ]
     texture-target: 2D

    video/x-raw(memory:GLMemory):
             format: RGBA
              width: [ 1, 2147483647 ]
             height: [ 1, 2147483647 ]
          framerate: [ 0/1, 2147483647/1 ]
     texture-target: 2D

Presence – always

Direction – sink

Object type – GstPad

### `src`

    video/x-raw(memory:GLMemory):
             format: RGBA
              width: [ 1, 2147483647 ]
             height: [ 1, 2147483647 ]
          framerate: [ 0/1, 2147483647/1 ]
     texture-target: 2D

    video/x-raw(ANY):
             format: RGBA
              width: [ 1, 2147483647 ]
             height: [ 1, 2147483647 ]
          framerate: [ 0/1, 2147483647/1 ]
     texture-target: 2D

Presence – always

Direction – src

Object type – GstPad

## Properties

### hswap

    “hswap” gboolean

Switch video texture left to right, useful with webcams

Flags : Read / Write

Default value : false

### invert

    “invert” gboolean

Invert colors to get dark edges on bright background when using sobel effect

Flags : Read / Write

Default value : false

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