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glvideomixerelement

glvideomixerelement

Properties

Types and Values

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstElement
                ╰── GstAggregator
                    ╰── GstVideoAggregator
                        ╰── GstGLBaseMixer
                            ╰── GstGLMixer
                                ╰── GstGLVideoMixer

Implemented Interfaces

GstGLVideoMixer implements GstChildProxy.

Description

Synopsis

Element Information

plugin

opengl

author

Matthew Waters <matthew@centricular.com>

class

Filter/Effect/Video/Compositor

Element Pads

name

sink_%u

direction

sink

presence

request

details

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

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 ]

Functions

Types and Values

struct GstGLVideoMixer

struct GstGLVideoMixer;

enum GstGLVideoMixerBackground

The different backgrounds compositor can blend over.

Members

GST_GL_VIDEO_MIXER_BACKGROUND_CHECKER

checker pattern background

 

GST_GL_VIDEO_MIXER_BACKGROUND_BLACK

solid color black background

 

GST_GL_VIDEO_MIXER_BACKGROUND_WHITE

solid color white background

 

GST_GL_VIDEO_MIXER_BACKGROUND_TRANSPARENT

background is left transparent and layers are composited using "A OVER B" composition rules. This is only applicable to AYUV and ARGB (and variants) as it preserves the alpha channel and allows for further mixing.

 

Property Details

The “background” property

  “background”               GstGLVideoMixerBackground

Background type.

Flags: Read / Write

Default value: Checker pattern

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