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-- Default policy config file --
default_policy = {}
default_policy.endpoints = {
-- [endpoint name] = { endpoint properties }
["endpoint.capture"] = {
["media.class"] = "Audio/Source",
["role"] = "Capture",
},
["endpoint.multimedia"] = {
["media.class"] = "Audio/Sink",
["role"] = "Multimedia",
},
["endpoint.speech_low"] = {
["media.class"] = "Audio/Sink",
["role"] = "Speech-Low",
},
["endpoint.custom_low"] = {
["media.class"] = "Audio/Sink",
["role"] = "Custom-Low",
},
["endpoint.navigation"] = {
["media.class"] = "Audio/Sink",
["role"] = "Navigation",
},
["endpoint.speech_high"] = {
["media.class"] = "Audio/Sink",
["role"] = "Speech-High",
},
["endpoint.custom_high"] = {
["media.class"] = "Audio/Sink",
["role"] = "Custom-High",
},
["endpoint.communication"] = {
["media.class"] = "Audio/Sink",
["role"] = "Communication",
},
["endpoint.emergency"] = {
["media.class"] = "Audio/Sink",
["role"] = "Emergency",
},
}
default_policy.policy = {
["move"] = false, -- moves session items when metadata target.node changes
["follow"] = true, -- moves session items to the default device when it has changed
-- Set to 'true' to disable channel splitting & merging on nodes and enable
-- passthrough of audio in the same format as the format of the device.
-- Note that this breaks JACK support; it is generally not recommended
["audio.no-dsp"] = false,
-- how much to lower the volume of lower priority streams when ducking
-- note that this is a linear volume modifier (not cubic as in the mixer)
["duck.level"] = 0.2,
["roles"] = {
["Capture"] = {
["alias"] = { "Multimedia", "Music", "Voice", "Capture" },
["priority"] = 25,
["action.default"] = "cork",
["action.Capture"] = "mix",
["media.class"] = "Audio/Source",
},
["Multimedia"] = {
["alias"] = { "Movie", "Music", "Game" },
["priority"] = 25,
["action.default"] = "cork",
},
["Speech-Low"] = {
["priority"] = 30,
["action.default"] = "cork",
["action.Speech-Low"] = "mix",
},
["Custom-Low"] = {
["priority"] = 35,
["action.default"] = "cork",
["action.Custom-Low"] = "mix",
},
["Navigation"] = {
["priority"] = 50,
["action.default"] = "duck",
["action.Navigation"] = "mix",
},
["Speech-High"] = {
["priority"] = 60,
["action.default"] = "cork",
["action.Speech-High"] = "mix",
},
["Custom-High"] = {
["priority"] = 65,
["action.default"] = "cork",
["action.Custom-High"] = "mix",
},
["Communication"] = {
["priority"] = 75,
["action.default"] = "cork",
["action.Communication"] = "mix",
},
["Emergency"] = {
["alias"] = { "Alert" },
["priority"] = 99,
["action.default"] = "cork",
["action.Emergency"] = "mix",
},
},
}
function default_policy.enable()
-- Session item factories, building blocks for the session management graph
-- Do not disable these unless you really know what you are doing
load_module("si-node")
load_module("si-audio-adapter")
load_module("si-standard-link")
load_module("si-audio-endpoint")
-- API to access default nodes from scripts
load_module("default-nodes-api")
-- API to access mixer controls, needed for volume ducking
load_module("mixer-api")
-- Create endpoints statically at startup
load_script("static-endpoints.lua", default_policy.endpoints)
-- Create session items for nodes that appear in the graph
load_script("create-item.lua", default_policy.policy)
-- Link nodes to each other to make media flow in the graph
load_script("policy-node.lua", default_policy.policy)
-- Link client nodes with endpoints to make media flow in the graph
load_script("policy-endpoint-client.lua", default_policy.policy)
load_script("policy-endpoint-client-links.lua", default_policy.policy)
-- Link endpoints with device nodes to make media flow in the graph
load_script("policy-endpoint-device.lua", default_policy.policy)
end
|
