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| \/ | \ \ / / | __ \ (_) | | / ____| | | | |
| \ / |_ __\ V / | |__) | __ ___ ____ _| |_ ___ | (___ | |__ ___| | |
| |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | |
| | | | |_ / . \ | | | | | |\ V / (_| | || __/ ____) | | | | __/ | |
|_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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For_More_Tools:
-- WirePlumber
--
-- Copyright © 2023 Collabora Ltd.
--
-- SPDX-License-Identifier: MIT
--
-- Check if the target node is a filter target.
lutils = require ("linking-utils")
cutils = require ("common-utils")
agutils = require ("audio-group-utils")
log = Log.open_topic ("s-linking")
SimpleEventHook {
name = "linking/find-audio-group-target",
after = "linking/find-defined-target",
interests = {
EventInterest {
Constraint { "event.type", "=", "select-target" },
},
},
execute = function (event)
local source, om, si, si_props, si_flags, target =
lutils:unwrap_select_target_event (event)
-- bypass the hook if the target is already picked up
if target then
return
end
local target_direction = cutils.getTargetDirection (si_props)
local target_picked = nil
local target_can_passthrough = false
local node = nil
local audio_group = nil
log:info (si, string.format ("handling item %d: %s (%s)", si.id,
tostring (si_props ["node.name"]), tostring (si_props ["node.id"])))
-- Get associated node
node = si:get_associated_proxy ("node")
if node == nil then
return
end
-- audio group
audio_group = agutils.get_audio_group (node)
if audio_group == nil then
return
end
-- find the target with same audio group, if any
for target in om:iterate {
type = "SiLinkable",
Constraint { "item.node.type", "=", "device" },
Constraint { "item.node.direction", "=", target_direction },
Constraint { "media.type", "=", si_props ["media.type"] },
} do
target_node = target:get_associated_proxy ("node")
target_node_props = target_node.properties
target_audio_group = target_node_props ["session.audio-group"]
if target_audio_group == nil then
goto skip_linkable
end
if target_audio_group ~= audio_group then
goto skip_linkable
end
local passthrough_compatible, can_passthrough =
lutils.checkPassthroughCompatibility (si, target)
if not passthrough_compatible then
log:debug ("... passthrough is not compatible, skip linkable")
goto skip_linkable
end
target_picked = target
target_can_passthrough = can_passthrough
break
::skip_linkable::
end
-- set target
if target_picked then
log:info (si,
string.format ("... audio group target picked: %s (%s), can_passthrough:%s",
tostring (target_picked.properties ["node.name"]),
tostring (target_picked.properties ["node.id"]),
tostring (target_can_passthrough)))
si_flags.can_passthrough = target_can_passthrough
event:set_data ("target", target_picked)
end
end
}:register ()