# wasapisink

Provides audio playback using the Windows Audio Session API available with Vista and newer.

## Example pipelines

     gst-launch-1.0 -v audiotestsrc samplesperbuffer=160 ! wasapisink

Generate 20 ms buffers and render to the default audio device.

     gst-launch-1.0 -v audiotestsrc samplesperbuffer=160 ! wasapisink low-latency=true

Same as above, but with the minimum possible latency

## Hierarchy

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

## Factory details

Authors: – Nirbheek Chauhan <nirbheek>, Ole André Vadla Ravnås <ole.andre.ravnas></ole.andre.ravnas></nirbheek>

Classification: – `Sink/Audio/Hardware`

Rank – primary

Plugin – wasapi

Package – GStreamer Bad Plug-ins

## Pad Templates

### `sink`

    audio/x-raw:
             format: { F64LE, F64BE, F32LE, F32BE, S32LE, S32BE, U32LE, U32BE, S24_32LE, S24_32BE, U24_32LE, U24_32BE, S24LE, S24BE, U24LE, U24BE, S20LE, S20BE, U20LE, U20BE, S18LE, S18BE, U18LE, U18BE, S16LE, S16BE, U16LE, U16BE, S8, U8 }
             layout: interleaved
               rate: [ 1, 2147483647 ]
           channels: [ 1, 2147483647 ]

Presence – always

Direction – sink

Object type – GstPad

## Properties

### device

    “device” gchararray

WASAPI device endpoint ID as provided by IMMDevice::GetId

Flags : Read / Write

Default value : NULL

### exclusive

    “exclusive” gboolean

Open the device in exclusive mode

Flags : Read / Write

Default value : false

### low-latency

    “low-latency” gboolean

Optimize all settings for lowest latency. Always safe to enable.

Flags : Read / Write

Default value : false

### mute

    “mute” gboolean

Mute state of this stream

Flags : Read / Write

Default value : false

### role

    “role” GstWasapiDeviceRole *

Role of the device: communications, multimedia, etc

Flags : Read / Write

Default value : console (0)

### use-audioclient3

    “use-audioclient3” gboolean

Use the Windows 10 AudioClient3 API when available and if the low-latency property is set to TRUE

Flags : Read / Write

Default value : true

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