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Protocol Simple

The simple protocol provides a bidirectional audio stream on a network socket.

It is meant to be used with the `simple protocol player` app, available on Android to play and record a stream.

Each client that connects will create a capture and/or playback stream, depending on the configuration options.

# Module Name

`libpipewire-module-protocol-simple`

# Module Options

- `capture`: boolean if capture is enabled. This will create a capture stream for each connected client.
- `playback`: boolean if playback is enabled. This will create a playback stream for each connected client.
- `capture.node`: an optional node serial or name to use for capture.
- `playback.node`: an optional node serial or name to use for playback.
- `server.address = []`: an array of server addresses to listen on as tcp:(<ip>:)<port>.

# General options

Options with well-known behavior.

- PW_KEY_REMOTE_NAME
- PW_KEY_AUDIO_RATE
- PW_KEY_AUDIO_FORMAT
- PW_KEY_AUDIO_CHANNELS
- SPA_KEY_AUDIO_POSITION
- PW_KEY_NODE_LATENCY
- PW_KEY_NODE_RATE
- PW_KEY_STREAM_CAPTURE_SINK

By default the server will work with stereo 16 bits samples at 44.1KHz.

# Example configuration

context.modules = [
{ name = libpipewire-module-protocol-simple
args = {
# Provide capture stream, clients can capture data from PipeWire
capture = true
#
# Provide playback stream, client can send data to PipeWire for playback
playback = true
#
# The node name or id to use for capture.
#capture.node = null
#
# To make the capture stream capture the monitor ports
#stream.capture.sink = false
#
# The node name or id to use for playback.
#playback.node = null
#
#audio.rate = 44100
#audio.format = S16
#audio.channels = 2
#audio.position = [ FL FR ]
#
# The addresses this server listens on for new
# client connections
server.address = [
"tcp:4711"
]
}
}
]