# frei0r-filter-mask0mate

Creates an square alpha-channel mask

## Hierarchy

    GObject
        ╰──GInitiallyUnowned
            ╰──GstObject
                ╰──GstElement
                    ╰──GstBaseTransform
                        ╰──GstVideoFilter
                            ╰──frei0r-filter-mask0mate

## Factory details

Authors: – Sebastian Dröge , Richard Spindler

Classification: – `Filter/Effect/Video`

Rank – none

Plugin – frei0r

Package – GStreamer Bad Plug-ins

## Pad Templates

### `sink`

    video/x-raw:
             format: RGBA
              width: [ 1, 2147483647 ]
             height: [ 1, 2147483647 ]
          framerate: [ 0/1, 2147483647/1 ]

Presence – always

Direction – sink

Object type – GstPad

### `src`

    video/x-raw:
             format: RGBA
              width: [ 1, 2147483647 ]
             height: [ 1, 2147483647 ]
          framerate: [ 0/1, 2147483647/1 ]

Presence – always

Direction – src

Object type – GstPad

## Properties

### blur

    “blur” gdouble

Blur the outline of the mask

Flags : Read / Write

Default value : 0

### bottom

    “bottom” gdouble

Flags : Read / Write

Default value : 0.2

### invert

    “invert” gboolean

Invert the mask, creates a hole in the frame.

Flags : Read / Write

Default value : false

### left

    “left” gdouble

Flags : Read / Write

Default value : 0.2

### right

    “right” gdouble

Flags : Read / Write

Default value : 0.2

### top

    “top” gdouble

Flags : Read / Write

Default value : 0.2

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