# mfmp3enc

This element encodes raw audio into MP3 compressed data.

## Example pipelines

     gst-launch-1.0 -v audiotestsrc ! mfmp3enc ! filesink location=test.mp3

This example pipeline will encode a test audio source to MP3 using Media Foundation encoder

## Hierarchy

    GObject
        ╰──GInitiallyUnowned
            ╰──GstObject
                ╰──GstElement
                    ╰──GstAudioEncoder
                        ╰──GstMFAudioEncoder
                            ╰──mfmp3enc

## Implemented interfaces

    GstPreset

## Factory details

Authors: – Seungha Yang

Classification: – `Codec/Encoder/Audio`

Rank – secondary

Plugin – mediafoundation

Package – GStreamer Bad Plug-ins

## Pad Templates

### `sink`

    audio/x-raw:
             format: S16LE
             layout: interleaved
           channels: [ 1, 2 ]
               rate: { (int)8000, (int)11025, (int)12000, (int)16000, (int)22050, (int)24000, (int)32000, (int)44100, (int)48000 }

Presence – always

Direction – sink

Object type – GstPad

### `src`

    audio/mpeg:
        mpegversion: 1
              layer: 3
           channels: [ 1, 2 ]
               rate: { (int)8000, (int)11025, (int)12000, (int)16000, (int)22050, (int)24000, (int)32000, (int)44100, (int)48000 }

Presence – always

Direction – src

Object type – GstPad

## Properties

### bitrate

    “bitrate” guint

Bitrate in bit/sec, (0 = auto), valid values are { 0, 8000, 16000, 18000, 20000, 24000, 32000, 40000, 48000, 56000, 64000, 80000, 96000, 112000, 128000, 160000, 192000, 224000, 256000, 320000 }

Flags : Read / Write

Default value : 0

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