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Object Hierarchy
GObject ╰── GInitiallyUnowned ╰── GstObject ╰── GstElement ╰── GstBaseSrc ╰── GstPushSrc ╰── GstAudioBaseSrc ╰── GstAudioSrc ╰── GstAlsaSrc
Description
This element reads data from an audio card using the ALSA API.
Example pipelines
1 |
gst-launch-1.0 -v alsasrc ! queue ! audioconvert ! vorbisenc ! oggmux ! filesink location=alsasrc.ogg |
Record from a sound card using ALSA and encode to Ogg/Vorbis.
Synopsis
Element Pads
name |
src |
direction |
source |
presence |
always |
details |
audio/x-raw, format=(string){ S8, U8, S16LE, S16BE, U16LE, U16BE, S24_32LE, S24_32BE, U24_32LE, U24_32BE, S32LE, S32BE, U32LE, U32BE, S24LE, S24BE, U24LE, U24BE, S20LE, S20BE, U20LE, U20BE, S18LE, S18BE, U18LE, U18BE, F32LE, F32BE, F64LE, F64BE }, layout=(string)interleaved, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ] |
Property Details
The “card-name” property
“card-name” gchar *
Human-readable name of the sound card.
Flags: Read
Default value: ""
The “device” property
“device” gchar *
ALSA device, as defined in an asound configuration file.
Flags: Read / Write
Default value: "default"
The “device-name” property
“device-name” gchar *
Human-readable name of the sound device.
Flags: Read
Default value: ""