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context: add support for multiple data loops

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Add config options to create and start multiple data loops, each with
their own priority and thread affinity if requested.

Make it possible to assign loop.classes to the data-loops. Use the
node.loop.class to find a data-loop for the node of the same class. Try
to evenly spread the nodes over the available matching loops.

With this, it is possible to separate the processing of the nodes
depending on the classes, like audio/video and improve concurency on
the server.

No attempt is done yet to move nodes between loops or to move
independent nodes to separate data loops.

Fixes #3969
This commit is contained in:
Wim Taymans 2024-04-19 14:57:53 +02:00
parent e85bb7194b
commit a4bfdd7f82
10 changed files with 331 additions and 63 deletions
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10
doc/dox/config/pipewire-client.conf.5.md
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@ -262,6 +262,16 @@ When the node is not linked anymore, it becomes idle. Normally idle nodes keep p
When the session manager does not suspend nodes (or when there is no session manager), the node.suspend-on-idle property can be used instead.
\endparblock
@PAR@ client.conf node.loop.name = null
@PAR@ client.conf node.loop.class = data.rt
\parblock
Add the node to a specific loop name or loop class. By default the node is added to the
data.rt loop class. You can make more specific data loops and then assign the nodes to those.
Other well known names are main-loop.0 and the main node.loop.class which runs the node data processing
in the main loop.
\endparblock
## Session Manager Properties @IDX@ client.conf
@PAR@ client.conf node.autoconnect = true