jackaudiosink

A Sink that outputs data to Jack ports.

It will create N Jack ports named out_<name>_<num> where <name> is the element name and <num> is starting from 1. Each port corresponds to a gstreamer channel.

The samplerate as exposed on the caps is always the same as the samplerate of the jack server.

When the GstJackAudioSink:connect property is set to auto, this element will try to connect each output port to a random physical jack input pin. In this mode, the sink will expose the number of physical channels on its pad caps.

When the GstJackAudioSink:connect property is set to none, the element will accept any number of input channels and will create (but not connect) an output port for each channel.

The element will generate an error when the Jack server is shut down when it was PAUSED or PLAYING. This element does not support dynamic rate and buffer size changes at runtime.

Example launch line

 gst-launch-1.0 audiotestsrc ! jackaudiosink

Play a sine wave to using jack.

Hierarchy

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

Factory details

Authors: – Wim Taymans

Classification:Sink/Audio

Rank – primary

Plugin – jack

Package – GStreamer Good Plug-ins

Pad Templates

sink

audio/x-raw:
         format: F32LE
         layout: interleaved
           rate: [ 1, 2147483647 ]
       channels: [ 1, 2147483647 ]

Presencealways

Directionsink

Object typeGstPad


Properties

client

“client” JackClient *

Handle for jack client

Flags : Read / Write


client-name

“client-name” gchararray

The client name to use.

Flags : Read / Write

Default value : NULL


connect

“connect” GstJackConnect *

Specify how the output ports will be connected

Flags : Read / Write

Default value : auto (1)


port-pattern

“port-pattern” gchararray

autoconnect to ports matching pattern, when NULL connect to physical ports

Flags : Read / Write

Default value : NULL


server

“server” gchararray

The Jack server to connect to (NULL = default)

Flags : Read / Write

Default value : NULL


transport

“transport” GstJackTransport *

The jack transport behaviour for the client.

Flags : Read / Write

Default value : (none)


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