# glmixerbin

OpenGL video_mixer empty bin

## Hierarchy

    GObject
        ╰──GInitiallyUnowned
            ╰──GstObject
                ╰──GstElement
                    ╰──GstBin
                        ╰──GstGLMixerBin

## Implemented interfaces

    GstChildProxy

## Factory details

Authors: – Matthew Waters

Classification: – `Bin/Filter/Effect/Video/Mixer`

Rank – none

Plugin – opengl

Package – GStreamer Base Plug-ins

## Pad Templates

### `sink_%u`

    video/x-raw(memory:GLMemory, meta:GstVideoOverlayComposition):
             format: { RGBA, BGRA, RGBx, BGRx, ARGB, ABGR, xRGB, xBGR, GBRA, GBR, RGBP, BGRP, RGB, BGR, RGB16, BGR16, AYUV, VUYA, Y410, I420, YV12, NV12, NV21, NV16, NV61, YUY2, UYVY, Y210, Y41B, Y42B, Y444, GRAY8, GRAY16_LE, GRAY16_BE, ARGB64, A420, AV12, NV12_16L32S, NV12_4L4, BGR10A2_LE, RGB10A2_LE, P010_10LE, P012_LE, P016_LE, Y212_LE, Y412_LE }
              width: [ 1, 2147483647 ]
             height: [ 1, 2147483647 ]
          framerate: [ 0/1, 2147483647/1 ]

    video/x-raw(memory:DMABuf, meta:GstVideoOverlayComposition):
             format: { RGBA, BGRA, RGBx, BGRx, ARGB, ABGR, xRGB, xBGR, GBRA, GBR, RGBP, BGRP, RGB, BGR, RGB16, BGR16, AYUV, VUYA, Y410, I420, YV12, NV12, NV21, NV16, NV61, YUY2, UYVY, Y210, Y41B, Y42B, Y444, GRAY8, GRAY16_LE, GRAY16_BE, ARGB64, A420, AV12, NV12_16L32S, NV12_4L4, BGR10A2_LE, RGB10A2_LE, P010_10LE, P012_LE, P016_LE, Y212_LE, Y412_LE }
              width: [ 1, 2147483647 ]
             height: [ 1, 2147483647 ]
          framerate: [ 0/1, 2147483647/1 ]

    video/x-raw(memory:SystemMemory, meta:GstVideoOverlayComposition):
             format: { RGBA, BGRA, RGBx, BGRx, ARGB, ABGR, xRGB, xBGR, GBRA, GBR, RGBP, BGRP, RGB, BGR, RGB16, BGR16, AYUV, VUYA, Y410, I420, YV12, NV12, NV21, NV16, NV61, YUY2, UYVY, Y210, Y41B, Y42B, Y444, GRAY8, GRAY16_LE, GRAY16_BE, ARGB64, A420, AV12, NV12_16L32S, NV12_4L4, BGR10A2_LE, RGB10A2_LE, P010_10LE, P012_LE, P016_LE, Y212_LE, Y412_LE }
              width: [ 1, 2147483647 ]
             height: [ 1, 2147483647 ]
          framerate: [ 0/1, 2147483647/1 ]

    video/x-raw(meta:GstVideoGLTextureUploadMeta, meta:GstVideoOverlayComposition):
             format: RGBA
              width: [ 1, 2147483647 ]
             height: [ 1, 2147483647 ]
          framerate: [ 0/1, 2147483647/1 ]

    video/x-raw(memory:GLMemory):
             format: { RGBA, BGRA, RGBx, BGRx, ARGB, ABGR, xRGB, xBGR, GBRA, GBR, RGBP, BGRP, RGB, BGR, RGB16, BGR16, AYUV, VUYA, Y410, I420, YV12, NV12, NV21, NV16, NV61, YUY2, UYVY, Y210, Y41B, Y42B, Y444, GRAY8, GRAY16_LE, GRAY16_BE, ARGB64, A420, AV12, NV12_16L32S, NV12_4L4, BGR10A2_LE, RGB10A2_LE, P010_10LE, P012_LE, P016_LE, Y212_LE, Y412_LE }
              width: [ 1, 2147483647 ]
             height: [ 1, 2147483647 ]
          framerate: [ 0/1, 2147483647/1 ]

    video/x-raw(memory:DMABuf):
             format: { RGBA, BGRA, RGBx, BGRx, ARGB, ABGR, xRGB, xBGR, GBRA, GBR, RGBP, BGRP, RGB, BGR, RGB16, BGR16, AYUV, VUYA, Y410, I420, YV12, NV12, NV21, NV16, NV61, YUY2, UYVY, Y210, Y41B, Y42B, Y444, GRAY8, GRAY16_LE, GRAY16_BE, ARGB64, A420, AV12, NV12_16L32S, NV12_4L4, BGR10A2_LE, RGB10A2_LE, P010_10LE, P012_LE, P016_LE, Y212_LE, Y412_LE }
              width: [ 1, 2147483647 ]
             height: [ 1, 2147483647 ]
          framerate: [ 0/1, 2147483647/1 ]
    video/x-raw:
             format: { RGBA, BGRA, RGBx, BGRx, ARGB, ABGR, xRGB, xBGR, GBRA, GBR, RGBP, BGRP, RGB, BGR, RGB16, BGR16, AYUV, VUYA, Y410, I420, YV12, NV12, NV21, NV16, NV61, YUY2, UYVY, Y210, Y41B, Y42B, Y444, GRAY8, GRAY16_LE, GRAY16_BE, ARGB64, A420, AV12, NV12_16L32S, NV12_4L4, BGR10A2_LE, RGB10A2_LE, P010_10LE, P012_LE, P016_LE, Y212_LE, Y412_LE }
              width: [ 1, 2147483647 ]
             height: [ 1, 2147483647 ]
          framerate: [ 0/1, 2147483647/1 ]

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

Presence – request

Direction – sink

Object type – GstPad

### `src`

    video/x-raw(ANY):

Presence – always

Direction – src

Object type – GstPad

## Signals

### create-element

    GstElement *
    create_element_callback (GstElement * param_0,
                             gpointer udata)

    def create_element_callback (param_0, udata):
        #python callback for the 'create-element' signal

    function create_element_callback(param_0: GstElement * param_0, udata: gpointer udata): {
        // javascript callback for the 'create-element' signal
    }

Parameters:

`param_0` –
No description available
`udata` –
No description available
Returns (GstElement *) –
No description available

Flags: Run Last

## Properties

### context

    “context” GstGLContext *

Get OpenGL context

Flags : Read

### latency

    “latency” guint64

Additional latency in live mode to allow upstream to take longer to produce buffers for the current position (in nanoseconds)

Flags : Read / Write

Default value : 0

### mixer

    “mixer” GstElement *

The GL mixer chain to use

Flags : Read / Write

### start-time

    “start-time” guint64

Start time to use if start-time-selection=set

Flags : Read / Write

Default value : 0

### start-time-selection

    “start-time-selection” Glmixer-bin-start-time-selection *

Decides which start time is output

Flags : Read / Write

Default value : zero (0)

## Named constants

### Glmixer-bin-start-time-selection

#### Members

`zero` (0) – Start at 0 running time (default)
`first` (1) – Start at first observed input running time
`set` (2) – Set start time with start-time property

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