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<title>glvideomixerelement: GStreamer Base Plugins 1.0 Plugins Reference Manual</title>
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<link rel="home" href="index.html" title="GStreamer Base Plugins 1.0 Plugins Reference Manual">
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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Top |
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Description |
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Object Hierarchy |
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Implemented Interfaces |
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Properties
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glvideomixerelement
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glvideomixerelement
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Properties
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GstGLVideoMixerBackground
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background
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Read / Write
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Types and Values
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struct
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GstGLVideoMixer
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enum
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GstGLVideoMixerBackground
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Object Hierarchy
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GObject
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╰── GInitiallyUnowned
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╰── GstObject
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╰── GstElement
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╰── GstAggregator
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╰── GstVideoAggregator
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╰── GstGLBaseMixer
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╰── GstGLMixer
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╰── GstGLVideoMixer
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Implemented Interfaces
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GstGLVideoMixer implements
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GstChildProxy.
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Description
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Synopsis
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Element Information
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plugin
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opengl
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author
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Matthew Waters <matthew@centricular.com>
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class
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Filter/Effect/Video/Compositor
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Element Pads
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name
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sink_%u
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direction
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sink
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presence
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request
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details
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video/x-raw(memory:GLMemory), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]
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name
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src
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direction
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source
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presence
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always
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details
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video/x-raw(memory:GLMemory), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]
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Functions
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Types and Values
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struct GstGLVideoMixer
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struct GstGLVideoMixer;
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enum GstGLVideoMixerBackground
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The different backgrounds compositor can blend over.
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Members
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GST_GL_VIDEO_MIXER_BACKGROUND_CHECKER
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checker pattern background
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GST_GL_VIDEO_MIXER_BACKGROUND_BLACK
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solid color black background
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GST_GL_VIDEO_MIXER_BACKGROUND_WHITE
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solid color white background
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GST_GL_VIDEO_MIXER_BACKGROUND_TRANSPARENT
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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.
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Property Details
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The “background” property
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“background” GstGLVideoMixerBackground
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Background type.
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Flags: Read / Write
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Default value: Checker pattern
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