RTP sink

The rtp-sink module creates a PipeWire sink that sends audio RTP packets.

Module Name

libpipewire-module-rtp-sink

Module Options

Options specific to the behavior of this module

• source.ip =<str>: source IP address, default "0.0.0.0"
• destination.ip =<str>: destination IP address, default "224.0.0.56"
• destination.port =<int>: destination port, default random beteen 46000 and 47024
• local.ifname = <str>: interface name to use
• net.mtu = <int>: MTU to use, default 1280
• net.ttl = <int>: TTL to use, default 1
• net.loop = <bool>: loopback multicast, default false
• sess.min-ptime = <float>: minimum packet time in milliseconds, default 2
• sess.max-ptime = <float>: maximum packet time in milliseconds, default 20
• sess.name = <str>: a session name
• rtp.ptime = <float>: size of the packets in milliseconds, default up to MTU but between sess.min-ptime and sess.max-ptime
• rtp.framecount = <int>: number of samples per packet, default up to MTU but between sess.min-ptime and sess.max-ptime
• sess.latency.msec = <float>: target node latency in milliseconds, default as rtp.ptime
• sess.ts-offset = <int>: an offset to apply to the timestamp, default -1 = random offset
• sess.ts-refclk = <string>: the name of a reference clock
• sess.media = <string>: the media type audio|midi|opus, default audio
• stream.props = {}: properties to be passed to the stream

General options

Options with well-known behavior:

• PW_KEY_REMOTE_NAME
• PW_KEY_AUDIO_FORMAT
• PW_KEY_AUDIO_RATE
• PW_KEY_AUDIO_CHANNELS
• SPA_KEY_AUDIO_POSITION
• PW_KEY_NODE_NAME
• PW_KEY_NODE_DESCRIPTION
• PW_KEY_MEDIA_NAME
• PW_KEY_NODE_GROUP
• PW_KEY_NODE_LATENCY
• PW_KEY_NODE_VIRTUAL
• PW_KEY_MEDIA_CLASS

Example configuration

 context.modules = [
 {   name = libpipewire-module-rtp-sink
     args = {
         #local.ifname = "eth0"
         #source.ip = "0.0.0.0"
         #destination.ip = "224.0.0.56"
         #destination.port = 46000
         #net.mtu = 1280
         #net.ttl = 1
         #net.loop = false
         #sess.min-ptime = 2
         #sess.max-ptime = 20
         #sess.name = "PipeWire RTP stream"
         #sess.media = "audio"
         #audio.format = "S16BE"
         #audio.rate = 48000
         #audio.channels = 2
         #audio.position = [ FL FR ]
         stream.props = {
             node.name = "rtp-sink"
         }
     }
}
]

Since

0.3.60