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    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstElement
                ╰── GstBaseTransform
                    ╰── GstVideoFilter
                        ╰── GstAlphaColor
The alphacolor element does memory-efficient (in-place) colourspace conversion from RGBA to AYUV or AYUV to RGBA while preserving the alpha channel.
Sample pipeline:
| 1 2 | gst-launch-1.0 videotestsrc ! "video/x-raw,format=(fourcc)AYUV" ! \ alphacolor ! videoconvert ! autovideosink | 
| plugin | alphacolor | 
| author | Wim Taymans <wim.taymans@gmail.com> | 
| class | Filter/Converter/Video | 
| name | sink | 
| direction | sink | 
| presence | always | 
| details | video/x-raw, format=(string){ RGBA, BGRA, ARGB, ABGR, AYUV }, 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){ RGBA, BGRA, ARGB, ABGR, AYUV }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ] |