# oss4sink

This element lets you output sound using the Open Sound System (OSS) version 4.

Note that you should almost always use generic audio conversion elements like audioconvert and audioresample in front of an audiosink to make sure your pipeline works under all circumstances (those conversion elements will act in passthrough-mode if no conversion is necessary).

## Example pipelines

     gst-launch-1.0 -v audiotestsrc ! audioconvert ! volume volume=0.1 ! oss4sink

will output a sine wave (continuous beep sound) to your sound card (with a very low volume as precaution).

     gst-launch-1.0 -v filesrc location=music.ogg ! decodebin ! audioconvert ! audioresample ! oss4sink

will play an Ogg/Vorbis audio file and output it using the Open Sound System version 4.

## Hierarchy

    GObject
        ╰──GInitiallyUnowned
            ╰──GstObject
                ╰──GstElement
                    ╰──GstBaseSink
                        ╰──GstAudioBaseSink
                            ╰──GstAudioSink
                                ╰──oss4sink

## Implemented interfaces

    GstStreamVolume

## Factory details

Authors: – Tim-Philipp Müller <tim centricular net></tim>

Classification: – `Sink/Audio`

Rank – secondary + 1

Plugin – oss4

Package – GStreamer Good Plug-ins

## Pad Templates

### `sink`

    audio/x-alaw:
               rate: [ 1, 192000 ]
           channels: [ 1, 4096 ]
    audio/x-mulaw:
               rate: [ 1, 192000 ]
           channels: [ 1, 4096 ]
    audio/x-raw:
             format: { S32LE, S32BE, S24_32LE, S24_32BE, S24LE, S16LE, S16BE, U16LE, U16BE, S8, U8 }
             layout: interleaved
               rate: [ 1, 192000 ]
           channels: [ 1, 4096 ]

Presence – always

Direction – sink

Object type – GstPad

## Properties

### device

    “device” gchararray

OSS4 device (e.g. /dev/oss/hdaudio0/pcm0 or /dev/dspN) (NULL = use first available playback device)

Flags : Read / Write

Default value : NULL

### device-name

    “device-name” gchararray

Human-readable name of the sound device

Flags : Read

Default value : NULL

### mute

    “mute” gboolean

Mute state of this stream

Flags : Read / Write

Default value : false

### volume

    “volume” gdouble

Linear volume of this stream, 1.0=100%%

Flags : Read / Write

Default value : 1

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