wasapi2sink

Provides audio playback using the Windows Audio Session API available with Windows 10.

Example pipelines

 gst-launch-1.0 -v audiotestsrc ! wasapi2sink

Generate audio test buffers and render to the default audio device.

 gst-launch-1.0 -v audiotestsink samplesperbuffer=160 ! wasapi2sink low-latency=true

Same as above, but with the minimum possible latency

Hierarchy

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstElement
                ╰──GstBaseSink
                    ╰──GstAudioBaseSink
                        ╰──wasapi2sink

Implemented interfaces

Factory details

Authors: – Nirbheek Chauhan , Ole André Vadla Ravnås , Seungha Yang

Classification: – Sink/Audio/Hardware

Rank – primary + 1

Plugin – wasapi2

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

Audio device ID as provided by Windows.Devices.Enumeration.DeviceInformation.Id

Flags : Read / Write

Default value : NULL

dispatcher 

“dispatcher” gpointer

ICoreDispatcher COM object used for activating device from UI thread.

Flags : Read / Write

Since : 1.18

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

volume 

“volume” gdouble

Volume of this stream

Flags : Read / Write

Default value : 1

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