Collabora weekly progress w/e 4th April 2021

Hi All,

Please find below a brief summary of the progress Collabora have made last week on Weston/Wayland and Pipewire.

Weston / Wayland

Nothing to report

Pipewire & WirePlumber (IC Sound Manager)

- Implemented a WirePlumber module to track the currently selected "default" input & output device node,

based on the previous "default-endpoints" module

- Implemented a WirePlumber module to provide an API for the "default" nodes to lua scripts

- Fixed wpctl to list devices & streams appropriately with Julian's latest changes

- Reviewed Raghavendra's changes

- Started implementing a module to provide volume controls API internally in WirePlumber, based on the current pipewire-pulse volume controls code (which is a bit more complicated than the standard per-node volume controls approach that we used in the past); this is also going to be used in the audiomixer binding to maximize code reuse

- Fixed a critical assertion failure that appeared from time to time in WirePlumber, because of stale WpLink objects

Julian

- Added support for "moving" nodes in the new wireplumber node policy (external tools such as pavucontrol can move nodes to a different target)

- Added lua script to create configurable wireplumber audio endpoints

Raghavendra

- Explored gitlab CI and fixed the build issues with g-ir-scanner

- Explored Docker and setup fedora32/33 build environment to test the documentation changes

Kind regards,

Nick

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