gamma: GStreamer Good Plugins 1.0 Plugins Reference Manual

Properties

Read / Write

Types and Values

struct

Object Hierarchy

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

Description

Performs gamma correction on a video stream.

Example launch line

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

This pipeline will make the image "brighter".

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

This pipeline will make the image "darker".

Synopsis

Element Information

plugin	videofilter
author	Arwed v. Merkatz <v.merkatz@gmx.net
class	Filter/Effect/Video

Element Pads

name	sink
direction	sink
presence	always
details	video/x-raw, format=(string){ AYUV, ARGB, BGRA, ABGR, RGBA, Y444, xRGB, RGBx, xBGR, BGRx, RGB, BGR, Y42B, NV12, NV21, YUY2, UYVY, YVYU, I420, YV12, IYUV, Y41B }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]

name	src
direction	source
presence	always
details	video/x-raw, format=(string){ AYUV, ARGB, BGRA, ABGR, RGBA, Y444, xRGB, RGBx, xBGR, BGRx, RGB, BGR, Y42B, NV12, NV21, YUY2, UYVY, YVYU, I420, YV12, IYUV, Y41B }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]

Functions

Types and Values

struct GstGamma

struct GstGamma;

Opaque data structure.

Property Details

The `“gamma”` property

  “gamma”                    gdouble

gamma.

Flags: Read / Write

Allowed values: [0.01,10]

Default value: 1

gamma

Properties

Types and Values

Object Hierarchy

Description

Example launch line

Synopsis

Element Information

Element Pads

Functions

Types and Values

struct GstGamma

Property Details

The “gamma” property

The `“gamma”` property