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glcolorbalance

glcolorbalance

Properties

gdouble brightness Read / Write
gdouble contrast Read / Write
gdouble hue Read / Write
gdouble saturation Read / Write

Types and Values

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstElement
                ╰── GstBaseTransform
                    ╰── GstGLBaseFilter
                        ╰── GstGLFilter
                            ╰── GstGLColorBalance

Implemented Interfaces

GstGLColorBalance implements GstColorBalance.

Description

Adjusts brightness, contrast, hue, saturation on a video stream.

Example launch line

1
gst-launch-1.0 videotestsrc ! glupload ! glcolorbalance saturation=0.0 ! glcolorconvert ! gldownload ! ximagesink

This pipeline converts the image to black and white by setting the saturation to 0.0.

Synopsis

Element Information

plugin

opengl

author

Matthew Waters <matthew@centricular.com>

class

Filter/Effect/Video

Element Pads

name

sink

direction

sink

presence

always

details

video/x-raw(ANY), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D

video/x-raw(memory:GLMemory), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D

name

src

direction

source

presence

always

details

video/x-raw(memory:GLMemory), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D

video/x-raw(ANY), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D

Functions

Types and Values

struct GstGLColorBalance

struct GstGLColorBalance;

Opaque data structure.

Property Details

The “brightness” property

  “brightness”               gdouble

brightness.

Flags: Read / Write

Allowed values: [-1,1]

Default value: 0


The “contrast” property

  “contrast”                 gdouble

contrast.

Flags: Read / Write

Allowed values: [0,2]

Default value: 1


The “hue” property

  “hue”                      gdouble

hue.

Flags: Read / Write

Allowed values: [-1,1]

Default value: 0


The “saturation” property

  “saturation”               gdouble

saturation.

Flags: Read / Write

Allowed values: [0,2]

Default value: 1

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