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Properties
| gchar * | device | Read / Write |
| gchar * | server | Read / Write |
| gchar * | device-name | Read |
| GstStructure * | stream-properties | Read / Write |
| gboolean | mute | Read / Write |
| guint | source-output-index | Read |
| gdouble | volume | Read / Write |
| gchar * | client-name | Read / Write |
| gchar * | current-device | Read |
Object Hierarchy
GObject ╰── GInitiallyUnowned ╰── GstObject ╰── GstElement ╰── GstBaseSrc ╰── GstPushSrc ╰── GstAudioBaseSrc ╰── GstAudioSrc ╰── GstPulseSrc
Implemented Interfaces
GstPulseSrc implements GstStreamVolume, GstImplementsInterface, GstMixer and GstPropertyProbe.
Description
This element captures audio from a
PulseAudio sound server.Example pipelines
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gst-launch-1.0 -v pulsesrc ! audioconvert ! vorbisenc ! oggmux ! filesink location=alsasrc.ogg |
Synopsis
Element Pads
name |
src |
direction |
source |
presence |
always |
details |
audio/x-raw, format=(string){ S16LE, S16BE, F32LE, F32BE, S32LE, S32BE, S24LE, S24BE, S24_32LE, S24_32BE, U8 }, layout=(string)interleaved, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 32 ] |
| audio/x-alaw, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 32 ] | |
| audio/x-mulaw, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 32 ] |
Property Details
The “device” property
“device” gchar *
The PulseAudio source device to connect to.
Flags: Read / Write
Default value: NULL
The “server” property
“server” gchar *
The PulseAudio server to connect to.
Flags: Read / Write
Default value: NULL
The “device-name” property
“device-name” gchar *
Human-readable name of the sound device.
Flags: Read
Default value: NULL
The “stream-properties” property
“stream-properties” GstStructure *
List of pulseaudio stream properties. A list of defined properties can be found in the pulseaudio api docs.
Below is an example for registering as a music application to pulseaudio.
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GstStructure *props; props = gst_structure_from_string ("props,media.role=music", NULL); g_object_set (pulse, "stream-properties", props, NULL); gst_structure_free (props); |
Flags: Read / Write
The “mute” property
“mute” gboolean
Whether the stream is muted or not.
Flags: Read / Write
Default value: FALSE
The “source-output-index” property
“source-output-index” guint
The index of the PulseAudio source output corresponding to this element.
Flags: Read
Default value: 4294967295
The “volume” property
“volume” gdouble
The volume of the record stream.
Flags: Read / Write
Allowed values: [0,10]
Default value: 1
The “client-name” property
“client-name” gchar *
The PulseAudio client name to use.
Flags: Read / Write
Default value: "gst-plugins-good-plugins-scan"
The “current-device” property
“current-device” gchar *
The current PulseAudio source device.
Flags: Read
Default value: NULL