speexenc

This element encodes audio as a Speex stream. Speex is a royalty-free audio codec maintained by the Xiph.org Foundation.

Example pipelines

 gst-launch-1.0 audiotestsrc num-buffers=100 ! speexenc ! oggmux ! filesink location=beep.ogg

Encode an Ogg/Speex file.

Hierarchy

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstElement
                ╰──GstAudioEncoder
                    ╰──speexenc

Implemented interfaces

Factory details

Authors: – Wim Taymans

Classification: – Codec/Encoder/Audio

Rank – primary

Plugin – speex

Package – GStreamer Good Plug-ins

Pad Templates

sink

audio/x-raw:
         format: S16LE
         layout: interleaved
           rate: [ 6000, 48000 ]
       channels: 1
audio/x-raw:
         format: S16LE
         layout: interleaved
           rate: [ 6000, 48000 ]
       channels: 2
   channel-mask: 0x0000000000000003

Presence – always

Direction – sink

Object type – GstPad

src

audio/x-speex:
           rate: [ 6000, 48000 ]
       channels: [ 1, 2 ]

Presence – always

Direction – src

Object type – GstPad

Properties

abr 

“abr” gint

Enable average bit-rate (0 = disabled)

Flags : Read / Write / Construct

Default value : 0

bitrate 

“bitrate” gint

Specify an encoding bit-rate (in bps). (0 = automatic)

Flags : Read / Write / Construct

Default value : 0

complexity 

“complexity” gint

Set encoding complexity

Flags : Read / Write / Construct

Default value : 3

dtx 

“dtx” gboolean

Enable discontinuous transmission

Flags : Read / Write / Construct

Default value : false

last-message 

“last-message” gchararray

The last status message

Flags : Read

Default value : NULL

mode 

“mode” Speex-enc-mode *

The encoding mode

Flags : Read / Write / Construct

Default value : auto (0)

nframes 

“nframes” gint

Number of frames per buffer

Flags : Read / Write / Construct

Default value : 1

quality 

“quality” gfloat

Encoding quality

Flags : Read / Write / Construct

Default value : 8

vad 

“vad” gboolean

Enable voice activity detection

Flags : Read / Write / Construct

Default value : false

vbr 

“vbr” gboolean

Enable variable bit-rate

Flags : Read / Write / Construct

Default value : false

Named constants

Speex-enc-mode

Members

auto (0) – Auto
uwb (1) – Ultra Wide Band
wb (2) – Wide Band
nb (3) – Narrow Band

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