frei0r-filter-normaliz0r

Normalize (aka histogram stretch, contrast stretch)

Hierarchy

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstElement
                ╰──GstBaseTransform
                    ╰──GstVideoFilter
                        ╰──frei0r-filter-normaliz0r

Factory details

Authors: – Sebastian Dröge , Chungzuwalla (chungzuwalla@rling.com)

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

blackpt-b 

“blackpt-b” gfloat

Output color to which darkest input color is mapped (default black)

Flags : Read / Write

Default value : 0

blackpt-g 

“blackpt-g” gfloat

Output color to which darkest input color is mapped (default black)

Flags : Read / Write

Default value : 0

blackpt-r 

“blackpt-r” gfloat

Output color to which darkest input color is mapped (default black)

Flags : Read / Write

Default value : 0

independence 

“independence” gdouble

Proportion of independent to linked channel normalization (default 1.0)

Flags : Read / Write

Default value : 1

smoothing 

“smoothing” gdouble

Amount of temporal smoothing of the input range, to reduce flicker (default 0.0)

Flags : Read / Write

Default value : 0

strength 

“strength” gdouble

Strength of filter, from no effect to full normalization (default 1.0)

Flags : Read / Write

Default value : 1

whitept-b 

“whitept-b” gfloat

Output color to which brightest input color is mapped (default white)

Flags : Read / Write

Default value : 1

whitept-g 

“whitept-g” gfloat

Output color to which brightest input color is mapped (default white)

Flags : Read / Write

Default value : 1

whitept-r 

“whitept-r” gfloat

Output color to which brightest input color is mapped (default white)

Flags : Read / Write

Default value : 1

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