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opusenc

opusenc

Properties

gboolean audio Read / Write
GstOpusEncAudioType audio-type Read / Write
GstOpusEncBandwidth bandwidth Read / Write
gint bitrate Read / Write
GstOpusEncBitrateType bitrate-type Read / Write
gboolean cbr Read / Write
gint complexity Read / Write
gboolean constrained-vbr Read / Write
gboolean dtx Read / Write
GstOpusEncFrameSize frame-size Read / Write
gboolean inband-fec Read / Write
guint max-payload-size Read / Write
gint packet-loss-percentage Read / Write

Types and Values

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstElement
                ╰── GstAudioEncoder
                    ╰── GstOpusEnc

Implemented Interfaces

GstOpusEnc implements GstPreset and GstTagSetter.

Description

This element encodes raw audio to OPUS.

Example pipelines

1
gst-launch-1.0 -v audiotestsrc wave=sine num-buffers=100 ! audioconvert ! opusenc ! oggmux ! filesink location=sine.ogg

Encode a test sine signal to Ogg/OPUS.

Synopsis

Element Information

plugin

opus

author

Vincent Penquerc'h <vincent.penquerch@collabora.co.uk>

class

Codec/Encoder/Audio

Element Pads

name

sink

direction

sink

presence

always

details

audio/x-raw, format=(string)S16LE, layout=(string)interleaved, rate=(int)48000, channels=(int)[ 1, 8 ]

audio/x-raw, format=(string)S16LE, layout=(string)interleaved, rate=(int){ 8000, 12000, 16000, 24000 }, channels=(int)[ 1, 8 ]

name

src

direction

source

presence

always

details

audio/x-opus

Functions

Types and Values

struct GstOpusEnc

struct GstOpusEnc;

enum GstOpusEncBitrateType

Members

BITRATE_TYPE_CBR

   

BITRATE_TYPE_VBR

   

BITRATE_TYPE_CONSTRAINED_VBR

   

Property Details

The “audio” property

  “audio”                    gboolean

Audio or voice (DEPRECATED: use audio-type).

Flags: Read / Write

Default value: TRUE


The “audio-type” property

  “audio-type”               GstOpusEncAudioType

What type of audio to optimize for.

Flags: Read / Write

Default value: Generic audio


The “bandwidth” property

  “bandwidth”                GstOpusEncBandwidth

Audio Band Width.

Flags: Read / Write

Default value: Full band


The “bitrate” property

  “bitrate”                  gint

Specify an encoding bit-rate (in bps).

Flags: Read / Write

Allowed values: [4000,650000]

Default value: 64000


The “bitrate-type” property

  “bitrate-type”             GstOpusEncBitrateType

Bitrate type.

Flags: Read / Write

Default value: CBR


The “cbr” property

  “cbr”                      gboolean

Constant bit rate (DEPRECATED: use bitrate-type).

Flags: Read / Write

Default value: TRUE


The “complexity” property

  “complexity”               gint

Complexity.

Flags: Read / Write

Allowed values: [0,10]

Default value: 10


The “constrained-vbr” property

  “constrained-vbr”          gboolean

Constrained VBR (DEPRECATED: use bitrate-type).

Flags: Read / Write

Default value: TRUE


The “dtx” property

  “dtx”                      gboolean

DTX.

Flags: Read / Write

Default value: FALSE


The “frame-size” property

  “frame-size”               GstOpusEncFrameSize

The duration of an audio frame, in ms.

Flags: Read / Write

Default value: 20


The “inband-fec” property

  “inband-fec”               gboolean

Enable forward error correction.

Flags: Read / Write

Default value: FALSE


The “max-payload-size” property

  “max-payload-size”         guint

Maximum payload size in bytes.

Flags: Read / Write

Allowed values: [2,4000]

Default value: 4000


The “packet-loss-percentage” property

  “packet-loss-percentage”   gint

Packet loss percentage.

Flags: Read / Write

Allowed values: [0,100]

Default value: 0

See Also

opusdec, oggmux

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