spectrum

Run an FFT on the audio signal, output spectrum data

Hierarchy

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstElement
                ╰──GstBaseTransform
                    ╰──GstAudioFilter
                        ╰──spectrum

Factory details

sink

audio/x-raw:
         format: { S16LE, S24LE, S32LE, F32LE, F64LE }
           rate: [ 1, 2147483647 ]
       channels: [ 1, 2147483647 ]
         layout: interleaved

src

audio/x-raw:
         format: { S16LE, S24LE, S32LE, F32LE, F64LE }
           rate: [ 1, 2147483647 ]
       channels: [ 1, 2147483647 ]
         layout: interleaved

bands

“bands” guint

Number of frequency bands

Flags : Read / Write

Default value : 128

interval

“interval” guint64

Interval of time between message posts (in nanoseconds)

Flags : Read / Write

Default value : 100000000

message-magnitude

“message-magnitude” gboolean

Whether to add a 'magnitude' field to the structure of any 'spectrum' element messages posted on the bus

Flags : Read / Write

Default value : true

message-phase

“message-phase” gboolean

Whether to add a 'phase' field to the structure of any 'spectrum' element messages posted on the bus

Flags : Read / Write

Default value : false

multi-channel

“multi-channel” gboolean

Send separate results for each channel

Flags : Read / Write

Default value : false

name

“name” gchararray

The name of the object

Flags : Read / Write / Construct

Default value : NULL

parent

“parent” GstObject *

The parent of the object

Flags : Read / Write

post-messages

“post-messages” gboolean

Whether to post a 'spectrum' element message on the bus for each passed interval

Flags : Read / Write

Default value : true

qos

“qos” gboolean

Handle Quality-of-Service events

Flags : Read / Write

Default value : false

threshold

“threshold” gint

dB threshold for result. All lower values will be set to this

Flags : Read / Write

Default value : -60