glvideomixerelement

OpenGL video_mixer

Hierarchy

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

Implemented interfaces

Factory details

Authors: – Matthew Waters

Classification: – Filter/Effect/Video/Compositor

Rank – none

Plugin – opengl

Package – GStreamer Base Plug-ins

Pad Templates

sink_%u

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

Presence – request

Direction – sink

Object type – GstGLVideoMixerPad

src

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

Presence – always

Direction – src

Object type – GstAggregatorPad

Properties

background 

“background” GstGLVideoMixerBackground *

Background type

Flags : Read / Write

Default value : checker (0)

Named constants

GstGLVideoMixerBackground

The different backgrounds compositor can blend over.

Members

checker (0) – Checker pattern
black (1) – Black
white (2) – White
transparent (3) – Transparent Background to enable further compositing

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