PipeWire: FFADO firewire audio driver

PipeWire 1.0.3

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FFADO firewire audio driver

The ffado-driver module provides a source or sink using the libffado library for reading and writing to firewire audio devices.

# Module Name

`libpipewire-module-ffado-driver`

# Module Options

- `driver.mode`: the driver mode, sink|source|duplex, default duplex
- `ffado.devices`: array of devices to open, default "hw:0"
- `ffado.period-size`: period size,default 1024
- `ffado.period-num`: period number,default 3
- `ffado.sample-rate`: sample-rate, default 48000
- `ffado.slave-mode`: slave mode
- `ffado.snoop-mode`: snoop mode
- `ffado.verbose`: ffado verbose level
- `latency.internal.input`: extra input latency in frames
- `latency.internal.output`: extra output latency in frames
- `source.props`: Extra properties for the source filter.
- `sink.props`: Extra properties for the sink filter.

# General options

Options with well-known behavior.

- PW_KEY_REMOTE_NAME
- SPA_KEY_AUDIO_POSITION
- PW_KEY_NODE_NAME
- PW_KEY_NODE_DESCRIPTION
- PW_KEY_NODE_GROUP
- PW_KEY_NODE_VIRTUAL
- PW_KEY_MEDIA_CLASS
- PW_KEY_TARGET_OBJECT to specify the remote node.name or serial.id to link to

# Example configuration of a duplex sink/source

context.modules = [
{ name = libpipewire-module-ffado-driver
args = {
#driver.mode = duplex
#ffado.devices = [ "hw:0" ]
#ffado.period-size = 1024
#ffado.period-num = 3
#ffado.sample-rate = 48000
#ffado.slave-mode = false
#ffado.snoop-mode = false
#ffado.verbose = 0
#latency.internal.input = 0
#latency.internal.output = 0
#audio.position = [ FL FR ]
source.props = {
# extra sink properties
}
sink.props = {
# extra sink properties
}
}
}
]