gamma

Performs gamma correction on a video stream.

Example launch line

 gst-launch-1.0 videotestsrc ! gamma gamma=2.0 ! videoconvert ! ximagesink

This pipeline will make the image "brighter".

 gst-launch-1.0 videotestsrc ! gamma gamma=0.5 ! videoconvert ! ximagesink

This pipeline will make the image "darker".

Hierarchy

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstElement
                ╰──GstBaseTransform
                    ╰──GstVideoFilter
                        ╰──gamma

Factory details

Authors: – Arwed v. Merkatz

Classification: – Filter/Effect/Video

Rank – none

Plugin – videofilter

Package – GStreamer Good Plug-ins

Pad Templates

sink

video/x-raw:
         format: { AYUV, ARGB, BGRA, ABGR, RGBA, Y444, xRGB, RGBx, xBGR, BGRx, RGB, BGR, Y42B, NV12, NV21, YUY2, UYVY, YVYU, I420, YV12, IYUV, Y41B }
          width: [ 1, 2147483647 ]
         height: [ 1, 2147483647 ]
      framerate: [ 0/1, 2147483647/1 ]

Presence – always

Direction – sink

Object type – GstPad

src

video/x-raw:
         format: { AYUV, ARGB, BGRA, ABGR, RGBA, Y444, xRGB, RGBx, xBGR, BGRx, RGB, BGR, Y42B, NV12, NV21, YUY2, UYVY, YVYU, I420, YV12, IYUV, Y41B }
          width: [ 1, 2147483647 ]
         height: [ 1, 2147483647 ]
      framerate: [ 0/1, 2147483647/1 ]

Presence – always

Direction – src

Object type – GstPad

Properties

gamma 

“gamma” gdouble

gamma

Flags : Read / Write

Default value : 1

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