PipeWire 1.0.3
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SAP Announce and create RTP streams

The rtp-sap module announces RTP streams that match the rules with the announce-stream action.

It will create source RTP streams that are announced with SAP when they match the rule with the create-stream action.

If no stream.rules are given, it will announce all streams with sess.sap.announce = true and it will create a receiver for all announced streams.

Module Name

libpipewire-module-rtp-sap

Module Options

Options specific to the behavior of this module

  • local.ifname = <str>: interface name to use
  • sap.ip = <str>: IP address of the SAP messages, default "224.0.0.56"
  • sap.port = <int>: port of the SAP messages, default 9875
  • sap.cleanup.sec = <int>: cleanup interval in seconds, default 90 seconds
  • source.ip =<str>: source IP address, default "0.0.0.0"
  • net.ttl = <int>: TTL to use, default 1
  • net.loop = <bool>: loopback multicast, default false
  • stream.rules = <rules>: match rules, use create-stream and announce-stream actions

General options

Options with well-known behavior:

Example configuration

context.modules = [
{ name = libpipewire-module-rtp-sap
args = {
#local.ifname = "eth0"
#sap.ip = "224.0.0.56"
#sap.port = 9875
#sap.cleanup.sec = 5
#source.ip = "0.0.0.0"
#net.ttl = 1
#net.loop = false
stream.rules = [
{ matches = [
# any of the items in matches needs to match, if one does,
# actions are emited.
{ # all keys must match the value. ! negates. ~ starts regex.
#rtp.origin = "wim 3883629975 0 IN IP4 0.0.0.0"
#rtp.payload = "127"
#rtp.fmt = "L16/48000/2"
#rtp.session = "PipeWire RTP Stream on fedora"
#rtp.ts-offset = 0
#rtp.ts-refclk = "private"
sess.sap.announce = true
}
]
actions = {
announce-stream = {
}
}
}
{ matches = [
{ # all keys must match the value. ! negates. ~ starts regex.
#rtp.origin = "wim 3883629975 0 IN IP4 0.0.0.0"
#rtp.payload = "127"
#rtp.fmt = "L16/48000/2"
#rtp.session = "PipeWire RTP Stream on fedora"
#rtp.ts-offset = 0
#rtp.ts-refclk = "private"
rtp.session = "~.*"
}
]
actions = {
create-stream = {
#sess.latency.msec = 100
#sess.ts-direct = false
#target.object = ""
}
}
}
]
}
}
]
Since
0.3.67