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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 |
Object Hierarchy
GObject ╰── GInitiallyUnowned ╰── GstObject ╰── GstElement ╰── GstAudioEncoder ╰── GstOpusEnc
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 |
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 “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