# avmux_3g2

libav 3GP2 (3GPP2 file format) muxer

## Hierarchy

    GObject
        ╰──GInitiallyUnowned
            ╰──GstObject
                ╰──GstElement
                    ╰──avmux_3g2

## Implemented interfaces

    GstTagSetter

## Factory details

Authors: – Wim Taymans , Ronald Bultje

Classification: – `Codec/Muxer`

Rank – marginal

Plugin – libav

Package – GStreamer FFMPEG Plug-ins

## Pad Templates

### `audio_%u`

    audio/AMR:
           channels: 1
               rate: { (int)8000 }
    audio/AMR-WB:
           channels: 1
               rate: { (int)16000 }
    audio/mpeg:
           channels: [ 1, 6 ]
               rate: [ 4000, 96000 ]
        mpegversion: 4
       base-profile: lc

Presence – request

Direction – sink

Object type – GstPad

### `src`

    video/quicktime:
            variant: 3g2

Presence – always

Direction – src

Object type – GstPad

### `video_%u`

    video/mpeg:
        mpegversion: 4
       systemstream: false
            profile: { (string)simple, (string)advanced-simple }
    video/x-divx:
        divxversion: 5
    video/x-h263:
              width: 352
             height: 288
          framerate: [ 0/1, 2147483647/1 ]
            variant: itu
        h263version: h263
    video/x-h263:
              width: 704
             height: 576
          framerate: [ 0/1, 2147483647/1 ]
            variant: itu
        h263version: h263
    video/x-h263:
              width: 176
             height: 144
          framerate: [ 0/1, 2147483647/1 ]
            variant: itu
        h263version: h263
    video/x-h263:
              width: 1408
             height: 1152
          framerate: [ 0/1, 2147483647/1 ]
            variant: itu
        h263version: h263
    video/x-h263:
              width: 128
             height: 96
          framerate: [ 0/1, 2147483647/1 ]
            variant: itu
        h263version: h263
    video/x-h263:
            variant: itu
        h263version: h263p
    video/x-h264:
          alignment: au

Presence – request

Direction – sink

Object type – GstPad

## Properties

### maxdelay

    “maxdelay” gint

Set the maximum demux-decode delay (in microseconds)

Flags : Read / Write

Default value : 0

### preload

    “preload” gint

Set the initial demux-decode delay (in microseconds)

Flags : Read / Write

Default value : 0

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