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jackaudiosrc

jackaudiosrc

Properties

JackClient * client Read / Write
GstJackConnect connect Read / Write
gchar * server Read / Write
gchar * client-name Read / Write
GstJackTransport transport Read / Write
gchar * port-pattern Read / Write

Types and Values

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstElement
                ╰── GstBaseSrc
                    ╰── GstPushSrc
                        ╰── GstAudioBaseSrc
                            ╰── GstJackAudioSrc

Description

A Src that inputs data from Jack ports.

It will create N Jack ports named in_<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 “connect” property is set to auto, this element will try to connect each input port to a random physical jack output pin.

When the “connect” property is set to none, the element will accept any number of output channels and will create (but not connect) an input 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

1
gst-launch-1.0 jackaudiosrc connect=0 ! jackaudiosink connect=0
Get audio input into gstreamer from jack.

Synopsis

Element Information

plugin

jack

author

Tristan Matthews <tristan@sat.qc.ca>

class

Source/Audio

Element Pads

name

src

direction

source

presence

always

details

audio/x-raw, format=(string)F32LE, layout=(string)interleaved, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ]

Functions

Types and Values

struct GstJackAudioSrc

struct GstJackAudioSrc;

Property Details

The “client” property

  “client”                   JackClient *

Handle for jack client.

Flags: Read / Write


The “connect” property

  “connect”                  GstJackConnect

Specify how the input ports will be connected.

Flags: Read / Write

Default value: Automatically connect ports to physical ports


The “server” property

  “server”                   gchar *

The Jack server to connect to (NULL = default).

Flags: Read / Write

Default value: NULL


The “client-name” property

  “client-name”              gchar *

The client name to use.

Flags: Read / Write

Default value: NULL


The “transport” property

  “transport”                GstJackTransport

Jack transport behaviour of the client.

Flags: Read / Write


The “port-pattern” property

  “port-pattern”             gchar *

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

Flags: Read / Write

Default value: NULL

Since: 1.6

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