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autoswitch-bluetooth-profile: switch only Bluetooth devices

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Handle only devices associated with Bluetooth loopback nodes.

Make sure the node.link-group iteration cannot get stuck if there is a
loop in the link graph.
This commit is contained in:
Pauli Virtanen 2024-09-08 20:22:41 +03:00 • committed by George Kiagiadakis
parent 141b2d5d3f
commit b68a6794cd
1 changed files with 14 additions and 4 deletions
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18
src/scripts/device/autoswitch-bluetooth-profile.lua
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@ -301,13 +301,14 @@ end
-- We consider a Stream of interest if it is linked to a bluetooth loopback
-- source filter
local function checkStreamStatus (stream, node_om)
local function checkStreamStatus (stream, node_om, visited_link_groups)
-- check if the stream is linked to a bluetooth loopback source
local stream_id = tonumber(stream["bound-id"])
local peer_id = lutils.getNodePeerId (stream_id)
if peer_id ~= nil then
local bt_node = node_om:lookup {
Constraint { "bound-id", "=", peer_id, type = "gobject" }
Constraint { "bound-id", "=", peer_id, type = "gobject" },
Constraint { "bluez5.loopback", "=", "true", type = "pw" }
}
if bt_node ~= nil then
local dev_id = bt_node.properties["device.id"]
@ -325,18 +326,27 @@ local function checkStreamStatus (stream, node_om)
else
-- Check if it is linked to a filter main node, and recursively advance if so
local filter_main_node = node_om:lookup {
Constraint { "bound-id", "=", peer_id, type = "gobject" }
Constraint { "bound-id", "=", peer_id, type = "gobject" },
Constraint { "node.link-group", "+", type = "pw" }
}
if filter_main_node ~= nil then
-- Now check all stream nodes for this filter
local filter_link_group = filter_main_node.properties ["node.link-group"]
if visited_link_groups == nil then
visited_link_groups = {}
end
if visited_link_groups [filter_link_group] then
return nil
else
visited_link_groups [filter_link_group] = true
end
for filter_stream_node in node_om:iterate {
Constraint { "media.class", "matches", "Stream/Input/Audio", type = "pw-global" },
Constraint { "stream.monitor", "!", "true", type = "pw" },
Constraint { "bluez5.loopback", "!", "true", type = "pw" },
Constraint { "node.link-group", "=", filter_link_group, type = "pw" }
} do
local dev_id = checkStreamStatus (filter_stream_node, node_om)
local dev_id = checkStreamStatus (filter_stream_node, node_om, visited_link_groups)
if dev_id ~= nil then
return dev_id
end