# frei0r-filter-defish0r

Non rectilinear lens mappings

## Hierarchy

    GObject
        ╰──GInitiallyUnowned
            ╰──GstObject
                ╰──GstElement
                    ╰──GstBaseTransform
                        ╰──GstVideoFilter
                            ╰──frei0r-filter-defish0r

## Factory details

Authors: – Sebastian Dröge <sebastian.droege@collabora.co.uk>, Marko Cebokli</sebastian.droege@collabora.co.uk>

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

### amount

    “amount” gdouble

Focal Ratio

Flags : Read / Write

Default value : 0

### aspect-type

    “aspect-type” gdouble

Pixel aspect ratio presets

Flags : Read / Write

Default value : 0

### crop

    “crop” gboolean

Straighten all edges of video frame

Flags : Read / Write

Default value : false

### defish

    “defish” gboolean

Fish or Defish

Flags : Read / Write

Default value : false

### interpolator

    “interpolator” gdouble

Quality of interpolation

Flags : Read / Write

Default value : 0.166667

### manual-aspect

    “manual-aspect” gdouble

Manual Pixel Aspect ratio

Flags : Read / Write

Default value : 0.5

### manual-scale

    “manual-scale” gdouble

Manual Scale

Flags : Read / Write

Default value : 0.5

### non-linear-scale

    “non-linear-scale” gdouble

Fix camera scaling between 4:3 and 16:9

Flags : Read / Write

Default value : 0

### scaling

    “scaling” gdouble

Scaling method

Flags : Read / Write

Default value : 0.666667

### type

    “type” gdouble

Mapping function

Flags : Read / Write

Default value : 0.666667

### y-scale

    “y-scale” gdouble

Scale Y to affect aspect ratio

Flags : Read / Write

Default value : 0.5

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