frei0r-filter-levels

Adjust luminance or color channel intensity

Hierarchy

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

Factory details

Authors: – Sebastian Dröge , Maksim Golovkin

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

black-output

“black-output” gdouble

Black output

Flags : Read / Write

Default value : 0

channel

“channel” gdouble

Channel to adjust levels. 0%%=R, 10%%=G, 20%%=B, 30%%=Luma

Flags : Read / Write

Default value : 0.3

gamma

“gamma” gdouble

Gamma

Flags : Read / Write

Default value : 0.25

histogram-position

“histogram-position” gdouble

Histogram position. 0%%=TL, 10%%=TR, 20%%=BL, 30%%=BR

Flags : Read / Write

Default value : 0.3

input-black-level

“input-black-level” gdouble

Input black level

Flags : Read / Write

Default value : 0

input-white-level

“input-white-level” gdouble

Input white level

Flags : Read / Write

Default value : 1

show-histogram

“show-histogram” gboolean

Show histogram

Flags : Read / Write

Default value : true

white-output

“white-output” gdouble

White output

Flags : Read / Write

Default value : 1

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