pipewire: Upgrade 0.3.80 -> 0.3.81

This is the first 1.0 release candidate that is API and ABI compatible
with previous 0.3.x releases.

  - jackdbus support is now enabled by default.
  - IRQ based scheduling in ALSA was improved and enabled by default for
    Pro-Audio profile. It will also link the pcms together to get lower
    latency. This now matches what JACK does and gives equal latency to
    PipeWire for Pro-Audio profiles.
  - Support both old and new versions of webrtc-audio-processing to make
    the transition easier.
  - Forced quantum changes by nodes or metadata will now also force a
    suspend and resume of the graph, like the rate changes to make sure all
    nodes adapt to the new quantum. This is important for Pro-Audio nodes
    that need to reconfigure the hardware to a new period in IRQ based
    scheduling.
  - Fix a regression in regex parsing.
  - Many bugfixes and improvements.

  - jackdbus is by default enabled now. The idea is that when jackdbus is
    installed, the real libjack.so is in the path and we can become a
    real JACK client.
  - Forces quantum changes by nodes or metadata will now also force a
    suspend and resume in the graph, like the rate changes to make sure all
    nodes adapt to the new quantum. This is important for Pro-Audio nodes
    that need to reconfigure the hardware to a new period.
  - The stream now has an EARLY_PROCESS option that can be used to implement
    custum buffer fill levels. (#3480)
  - Fix a regression in regex parsing. (#3528)
  - Fix a bug in position reporting in the driver node. (#3189) (#3544)
  - Destroying a link will now recalculate the graph correctly.
  - Fix the rate comparison for finding the best rate in the graph.
  - Use malloc_trim() when available to release memory. (#1840)

  - pw-cat now supports DFF DSD files.
  - pw-cli avoid some NULL derefs in some cases.

  - The RAOP sink has seen some cleanups and improvements. It will now ask
    for feedback every 2 seconds to keep some devices alive.
  - A bug in filter-chain was fixed where it would fail to apply the gain
    when mixing just one source.
  - The filter-chain can now pass the stream volume to a control in the
    filter-chain graph. (#3434)
  - Improve volume handling in RAOP sink.

  - Some cleanup in the pending_stream handling.
  - Fix a regression in the event emission code where it failed to emit
    a changed event when a node was linked. (#3522)
  - Lower the realtime priority of pulseaudio clients.
  - Set pulse.module.id on the echo-cancel streams. (#3541)

  - Support both old and new versions of webrtc-audio-processing to make
    the transition easier.
  - The ALSA driver now does the sync of all followers directly from the
    wakeup event. This results in more stable rate matching.
  - IRQ based scheduling in ALSA was improved and enabled by default for
    Pro-Audio profile. It will also link the pcms together to get lower
    latency. This now matches what JACK does and gives equal latency to
    PipeWire for Pro-Audio profiles.
  - GNU/Hurd support was added.
  - Some improvements to passthrough handling.

  - Improvements to the codec handling when PipeWire is used as Audio
    Gateway.
  - Adapt to new Bluez API for BAP devices.

  - When the jack library is set in the default library path, avoid using
    LD_LIBRARY_PATH because this can cause confusion.
  - Handle clearing the latency on a port.
  - jack_property now always manages to actually change the metadata because
    it waits for a roundtrip before exiting.

Signed-off-by: Markus Volk <f_l_k@t-online.de>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

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